/* gtktreeview.c * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include #include #include "gtktreeview.h" #include "gtkrbtree.h" #include "gtktreednd.h" #include "gtktreeprivate.h" #include "gtkcellrenderer.h" #include "gtkmain.h" #include "gtkmarshalers.h" #include "gtkbutton.h" #include "gtkalignment.h" #include "gtklabel.h" #include "gtkhbox.h" #include "gtkvbox.h" #include "gtkarrow.h" #include "gtkintl.h" #include "gtkbindings.h" #include "gtkcontainer.h" #include "gtkentry.h" #include "gtkframe.h" #include "gtktreemodelsort.h" #define GTK_TREE_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5) #define GTK_TREE_VIEW_PRIORITY_SCROLL_SYNC (GTK_TREE_VIEW_PRIORITY_VALIDATE + 2) #define GTK_TREE_VIEW_NUM_ROWS_PER_IDLE 500 #define SCROLL_EDGE_SIZE 15 #define EXPANDER_EXTRA_PADDING 4 #define GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT 5000 /* The "background" areas of all rows/cells add up to cover the entire tree. * The background includes all inter-row and inter-cell spacing. * The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(), * i.e. just the cells, no spacing. */ #define BACKGROUND_HEIGHT(node) (GTK_RBNODE_GET_HEIGHT (node)) #define CELL_HEIGHT(node, separator) ((BACKGROUND_HEIGHT (node)) - (separator)) #define TREE_WINDOW_Y_TO_RBTREE_Y(tree_view,y) ((y) + tree_view->priv->dy) #define RBTREE_Y_TO_TREE_WINDOW_Y(tree_view,y) ((y) - tree_view->priv->dy) /* This is in Window coordinates */ #define BACKGROUND_FIRST_PIXEL(tree_view,tree,node) (RBTREE_Y_TO_TREE_WINDOW_Y (tree_view, _gtk_rbtree_node_find_offset ((tree), (node)))) #define CELL_FIRST_PIXEL(tree_view,tree,node,separator) (BACKGROUND_FIRST_PIXEL (tree_view,tree,node) + separator/2) #define ROW_HEIGHT(tree_view,height) \ ((height > 0) ? (height) : (tree_view)->priv->expander_size) typedef struct _GtkTreeViewChild GtkTreeViewChild; struct _GtkTreeViewChild { GtkWidget *widget; gint x; gint y; gint width; gint height; }; typedef struct _TreeViewDragInfo TreeViewDragInfo; struct _TreeViewDragInfo { GdkModifierType start_button_mask; GtkTargetList *source_target_list; GdkDragAction source_actions; GtkTargetList *dest_target_list; guint source_set : 1; guint dest_set : 1; }; /* Signals */ enum { ROW_ACTIVATED, TEST_EXPAND_ROW, TEST_COLLAPSE_ROW, ROW_EXPANDED, ROW_COLLAPSED, COLUMNS_CHANGED, CURSOR_CHANGED, MOVE_CURSOR, SELECT_ALL, UNSELECT_ALL, SELECT_CURSOR_ROW, TOGGLE_CURSOR_ROW, EXPAND_COLLAPSE_CURSOR_ROW, SELECT_CURSOR_PARENT, START_INTERACTIVE_SEARCH, LAST_SIGNAL }; /* Properties */ enum { PROP_0, PROP_MODEL, PROP_HADJUSTMENT, PROP_VADJUSTMENT, PROP_HEADERS_VISIBLE, PROP_HEADERS_CLICKABLE, PROP_EXPANDER_COLUMN, PROP_REORDERABLE, PROP_RULES_HINT, PROP_ENABLE_SEARCH, PROP_SEARCH_COLUMN, PROP_FIXED_HEIGHT_MODE, PROP_HOVER_SELECTION }; static void gtk_tree_view_class_init (GtkTreeViewClass *klass); static void gtk_tree_view_init (GtkTreeView *tree_view); /* object signals */ static void gtk_tree_view_finalize (GObject *object); static void gtk_tree_view_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_tree_view_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); /* gtkobject signals */ static void gtk_tree_view_destroy (GtkObject *object); /* gtkwidget signals */ static void gtk_tree_view_realize (GtkWidget *widget); static void gtk_tree_view_unrealize (GtkWidget *widget); static void gtk_tree_view_map (GtkWidget *widget); static void gtk_tree_view_size_request (GtkWidget *widget, GtkRequisition *requisition); static void gtk_tree_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static gboolean gtk_tree_view_expose (GtkWidget *widget, GdkEventExpose *event); static gboolean gtk_tree_view_key_press (GtkWidget *widget, GdkEventKey *event); static gboolean gtk_tree_view_key_release (GtkWidget *widget, GdkEventKey *event); static gboolean gtk_tree_view_motion (GtkWidget *widget, GdkEventMotion *event); static gboolean gtk_tree_view_enter_notify (GtkWidget *widget, GdkEventCrossing *event); static gboolean gtk_tree_view_leave_notify (GtkWidget *widget, GdkEventCrossing *event); static gboolean gtk_tree_view_button_press (GtkWidget *widget, GdkEventButton *event); static gboolean gtk_tree_view_button_release (GtkWidget *widget, GdkEventButton *event); #if 0 static gboolean gtk_tree_view_configure (GtkWidget *widget, GdkEventConfigure *event); #endif static void gtk_tree_view_set_focus_child (GtkContainer *container, GtkWidget *child); static gint gtk_tree_view_focus_out (GtkWidget *widget, GdkEventFocus *event); static gint gtk_tree_view_focus (GtkWidget *widget, GtkDirectionType direction); static void gtk_tree_view_grab_focus (GtkWidget *widget); static void gtk_tree_view_style_set (GtkWidget *widget, GtkStyle *previous_style); /* container signals */ static void gtk_tree_view_remove (GtkContainer *container, GtkWidget *widget); static void gtk_tree_view_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); /* Source side drag signals */ static void gtk_tree_view_drag_begin (GtkWidget *widget, GdkDragContext *context); static void gtk_tree_view_drag_end (GtkWidget *widget, GdkDragContext *context); static void gtk_tree_view_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, guint info, guint time); static void gtk_tree_view_drag_data_delete (GtkWidget *widget, GdkDragContext *context); /* Target side drag signals */ static void gtk_tree_view_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time); static gboolean gtk_tree_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static gboolean gtk_tree_view_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static void gtk_tree_view_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time); /* tree_model signals */ static void gtk_tree_view_set_adjustments (GtkTreeView *tree_view, GtkAdjustment *hadj, GtkAdjustment *vadj); static gboolean gtk_tree_view_real_move_cursor (GtkTreeView *tree_view, GtkMovementStep step, gint count); static gboolean gtk_tree_view_real_select_all (GtkTreeView *tree_view); static gboolean gtk_tree_view_real_unselect_all (GtkTreeView *tree_view); static gboolean gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view, gboolean start_editing); static gboolean gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view); static gboolean gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view, gboolean logical, gboolean expand, gboolean open_all); static gboolean gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view); static void gtk_tree_view_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); static void gtk_tree_view_row_inserted (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); static void gtk_tree_view_row_has_child_toggled (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); static void gtk_tree_view_row_deleted (GtkTreeModel *model, GtkTreePath *path, gpointer data); static void gtk_tree_view_rows_reordered (GtkTreeModel *model, GtkTreePath *parent, GtkTreeIter *iter, gint *new_order, gpointer data); /* Incremental reflow */ static gboolean validate_row (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, GtkTreeIter *iter, GtkTreePath *path); static void validate_visible_area (GtkTreeView *tree_view); static gboolean validate_rows_handler (GtkTreeView *tree_view); static gboolean validate_rows (GtkTreeView *tree_view); static gboolean presize_handler_callback (gpointer data); static void install_presize_handler (GtkTreeView *tree_view); static void install_scroll_sync_handler (GtkTreeView *tree_view); static void gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view); static void gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view); /* Internal functions */ static gboolean gtk_tree_view_is_expander_column (GtkTreeView *tree_view, GtkTreeViewColumn *column); static void gtk_tree_view_add_move_binding (GtkBindingSet *binding_set, guint keyval, guint modmask, GtkMovementStep step, gint count); static gint gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view, GtkRBTree *tree); static void gtk_tree_view_queue_draw_path (GtkTreeView *tree_view, GtkTreePath *path, GdkRectangle *clip_rect); static void gtk_tree_view_queue_draw_arrow (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, GdkRectangle *clip_rect); static void gtk_tree_view_draw_arrow (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, gint x, gint y); static void gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view, GtkRBTree *tree, gint *x1, gint *x2); static gint gtk_tree_view_new_column_width (GtkTreeView *tree_view, gint i, gint *x); static void gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment, GtkTreeView *tree_view); static void gtk_tree_view_build_tree (GtkTreeView *tree_view, GtkRBTree *tree, GtkTreeIter *iter, gint depth, gboolean recurse); static gboolean gtk_tree_view_discover_dirty_iter (GtkTreeView *tree_view, GtkTreeIter *iter, gint depth, gint *height, GtkRBNode *node); static void gtk_tree_view_discover_dirty (GtkTreeView *tree_view, GtkRBTree *tree, GtkTreeIter *iter, gint depth); static void gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node); static void gtk_tree_view_clamp_column_visible (GtkTreeView *tree_view, GtkTreeViewColumn *column); static gboolean gtk_tree_view_maybe_begin_dragging_row (GtkTreeView *tree_view, GdkEventMotion *event); static void gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view); static void gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view, gint count); static void gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view, gint count); static void gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view, gint count); static void gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view, gint count); static gboolean gtk_tree_view_real_collapse_row (GtkTreeView *tree_view, GtkTreePath *path, GtkRBTree *tree, GtkRBNode *node, gboolean animate); static gboolean gtk_tree_view_real_expand_row (GtkTreeView *tree_view, GtkTreePath *path, GtkRBTree *tree, GtkRBNode *node, gboolean open_all, gboolean animate); static void gtk_tree_view_real_set_cursor (GtkTreeView *tree_view, GtkTreePath *path, gboolean clear_and_select, gboolean clamp_node); static gboolean gtk_tree_view_has_special_cell (GtkTreeView *tree_view); static void column_sizing_notify (GObject *object, GParamSpec *pspec, gpointer data); static gboolean expand_collapse_timeout (gpointer data); static gboolean do_expand_collapse (GtkTreeView *tree_view); /* interactive search */ static void gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view); static void gtk_tree_view_search_dialog_hide (GtkWidget *search_dialog, GtkTreeView *tree_view); static void gtk_tree_view_search_position_func (GtkTreeView *tree_view, GtkWidget *search_dialog); static void gtk_tree_view_search_disable_popdown (GtkEntry *entry, GtkMenu *menu, gpointer data); static void gtk_tree_view_search_preedit_changed (GtkIMContext *im_context, GtkTreeView *tree_view); static gboolean gtk_tree_view_real_search_enable_popdown(gpointer data); static void gtk_tree_view_search_enable_popdown (GtkWidget *widget, gpointer data); static gboolean gtk_tree_view_search_delete_event (GtkWidget *widget, GdkEventAny *event, GtkTreeView *tree_view); static gboolean gtk_tree_view_search_button_press_event (GtkWidget *widget, GdkEventButton *event, GtkTreeView *tree_view); static gboolean gtk_tree_view_search_key_press_event (GtkWidget *entry, GdkEventKey *event, GtkTreeView *tree_view); static void gtk_tree_view_search_move (GtkWidget *window, GtkTreeView *tree_view, gboolean up); static gboolean gtk_tree_view_search_equal_func (GtkTreeModel *model, gint column, const gchar *key, GtkTreeIter *iter, gpointer search_data); static gboolean gtk_tree_view_search_iter (GtkTreeModel *model, GtkTreeSelection *selection, GtkTreeIter *iter, const gchar *text, gint *count, gint n); static void gtk_tree_view_search_init (GtkWidget *entry, GtkTreeView *tree_view); static void gtk_tree_view_put (GtkTreeView *tree_view, GtkWidget *child_widget, gint x, gint y, gint width, gint height); static gboolean gtk_tree_view_start_editing (GtkTreeView *tree_view, GtkTreePath *cursor_path); static void gtk_tree_view_real_start_editing (GtkTreeView *tree_view, GtkTreeViewColumn *column, GtkTreePath *path, GtkCellEditable *cell_editable, GdkRectangle *cell_area, GdkEvent *event, guint flags); static void gtk_tree_view_stop_editing (GtkTreeView *tree_view, gboolean cancel_editing); static gboolean gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view, gboolean keybinding); static gboolean gtk_tree_view_start_interactive_search (GtkTreeView *tree_view); static GtkTreeViewColumn *gtk_tree_view_get_drop_column (GtkTreeView *tree_view, GtkTreeViewColumn *column, gint drop_position); static void gtk_tree_view_tree_window_to_tree_coords (GtkTreeView *tree_view, gint wx, gint wy, gint *tx, gint *ty); static GtkContainerClass *parent_class = NULL; static guint tree_view_signals [LAST_SIGNAL] = { 0 }; /* GType Methods */ GType gtk_tree_view_get_type (void) { static GType tree_view_type = 0; if (!tree_view_type) { static const GTypeInfo tree_view_info = { sizeof (GtkTreeViewClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_tree_view_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkTreeView), 0, /* n_preallocs */ (GInstanceInitFunc) gtk_tree_view_init }; tree_view_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkTreeView", &tree_view_info, 0); } return tree_view_type; } static void gtk_tree_view_class_init (GtkTreeViewClass *class) { GObjectClass *o_class; GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkContainerClass *container_class; GtkBindingSet *binding_set; parent_class = g_type_class_peek_parent (class); binding_set = gtk_binding_set_by_class (class); o_class = (GObjectClass *) class; object_class = (GtkObjectClass *) class; widget_class = (GtkWidgetClass *) class; container_class = (GtkContainerClass *) class; /* GObject signals */ o_class->set_property = gtk_tree_view_set_property; o_class->get_property = gtk_tree_view_get_property; o_class->finalize = gtk_tree_view_finalize; /* GtkObject signals */ object_class->destroy = gtk_tree_view_destroy; /* GtkWidget signals */ widget_class->map = gtk_tree_view_map; widget_class->realize = gtk_tree_view_realize; widget_class->unrealize = gtk_tree_view_unrealize; widget_class->size_request = gtk_tree_view_size_request; widget_class->size_allocate = gtk_tree_view_size_allocate; widget_class->button_press_event = gtk_tree_view_button_press; widget_class->button_release_event = gtk_tree_view_button_release; /*widget_class->configure_event = gtk_tree_view_configure;*/ widget_class->motion_notify_event = gtk_tree_view_motion; widget_class->expose_event = gtk_tree_view_expose; widget_class->key_press_event = gtk_tree_view_key_press; widget_class->key_release_event = gtk_tree_view_key_release; widget_class->enter_notify_event = gtk_tree_view_enter_notify; widget_class->leave_notify_event = gtk_tree_view_leave_notify; widget_class->focus_out_event = gtk_tree_view_focus_out; widget_class->drag_begin = gtk_tree_view_drag_begin; widget_class->drag_end = gtk_tree_view_drag_end; widget_class->drag_data_get = gtk_tree_view_drag_data_get; widget_class->drag_data_delete = gtk_tree_view_drag_data_delete; widget_class->drag_leave = gtk_tree_view_drag_leave; widget_class->drag_motion = gtk_tree_view_drag_motion; widget_class->drag_drop = gtk_tree_view_drag_drop; widget_class->drag_data_received = gtk_tree_view_drag_data_received; widget_class->focus = gtk_tree_view_focus; widget_class->grab_focus = gtk_tree_view_grab_focus; widget_class->style_set = gtk_tree_view_style_set; /* GtkContainer signals */ container_class->remove = gtk_tree_view_remove; container_class->forall = gtk_tree_view_forall; container_class->set_focus_child = gtk_tree_view_set_focus_child; class->set_scroll_adjustments = gtk_tree_view_set_adjustments; class->move_cursor = gtk_tree_view_real_move_cursor; class->select_all = gtk_tree_view_real_select_all; class->unselect_all = gtk_tree_view_real_unselect_all; class->select_cursor_row = gtk_tree_view_real_select_cursor_row; class->toggle_cursor_row = gtk_tree_view_real_toggle_cursor_row; class->expand_collapse_cursor_row = gtk_tree_view_real_expand_collapse_cursor_row; class->select_cursor_parent = gtk_tree_view_real_select_cursor_parent; class->start_interactive_search = gtk_tree_view_start_interactive_search; /* Properties */ g_object_class_install_property (o_class, PROP_MODEL, g_param_spec_object ("model", P_("TreeView Model"), P_("The model for the tree view"), GTK_TYPE_TREE_MODEL, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_HADJUSTMENT, g_param_spec_object ("hadjustment", P_("Horizontal Adjustment"), P_("Horizontal Adjustment for the widget"), GTK_TYPE_ADJUSTMENT, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_VADJUSTMENT, g_param_spec_object ("vadjustment", P_("Vertical Adjustment"), P_("Vertical Adjustment for the widget"), GTK_TYPE_ADJUSTMENT, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_HEADERS_VISIBLE, g_param_spec_boolean ("headers_visible", P_("Visible"), P_("Show the column header buttons"), TRUE, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_HEADERS_CLICKABLE, g_param_spec_boolean ("headers_clickable", P_("Headers Clickable"), P_("Column headers respond to click events"), FALSE, G_PARAM_WRITABLE)); g_object_class_install_property (o_class, PROP_EXPANDER_COLUMN, g_param_spec_object ("expander_column", P_("Expander Column"), P_("Set the column for the expander column"), GTK_TYPE_TREE_VIEW_COLUMN, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_REORDERABLE, g_param_spec_boolean ("reorderable", P_("Reorderable"), P_("View is reorderable"), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_RULES_HINT, g_param_spec_boolean ("rules_hint", P_("Rules Hint"), P_("Set a hint to the theme engine to draw rows in alternating colors"), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_ENABLE_SEARCH, g_param_spec_boolean ("enable_search", P_("Enable Search"), P_("View allows user to search through columns interactively"), TRUE, G_PARAM_READWRITE)); g_object_class_install_property (o_class, PROP_SEARCH_COLUMN, g_param_spec_int ("search_column", P_("Search Column"), P_("Model column to search through when searching through code"), -1, G_MAXINT, -1, G_PARAM_READWRITE)); /** * GtkTreeView:fixed-height-mode: * * Setting the ::fixed-height-mode property to %TRUE speeds up * #GtkTreeView by assuming that all rows have the same height. * Only enable this option if all rows are the same height. * Please see gtk_tree_view_set_fixed_height_mode() for more * information on this option. * * Since: 2.4 **/ g_object_class_install_property (o_class, PROP_FIXED_HEIGHT_MODE, g_param_spec_boolean ("fixed_height_mode", P_("Fixed Height Mode"), P_("Speeds up GtkTreeView by assuming that all rows have the same height"), FALSE, G_PARAM_READWRITE)); /** * GtkTreeView:hover-selection: * * Enables of disables the hover selection mode of @tree_view. * Hover selection makes the selected row follow the pointer. * Currently, this works only for the selection modes * %GTK_SELECTION_SINGLE and %GTK_SELECTION_BROWSE. * * This mode is primarily indended for treeviews in popups, e.g. * in #GtkComboBox or #GtkEntryCompletion. * * Since: 2.6 */ g_object_class_install_property (o_class, PROP_HOVER_SELECTION, g_param_spec_boolean ("hover_selection", P_("Hover Selection"), P_("Whether the selection should follow the pointer"), FALSE, G_PARAM_READWRITE)); /* Style properties */ #define _TREE_VIEW_EXPANDER_SIZE 10 #define _TREE_VIEW_VERTICAL_SEPARATOR 2 #define _TREE_VIEW_HORIZONTAL_SEPARATOR 2 gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("expander_size", P_("Expander Size"), P_("Size of the expander arrow"), 0, G_MAXINT, _TREE_VIEW_EXPANDER_SIZE, G_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("vertical_separator", P_("Vertical Separator Width"), P_("Vertical space between cells. Must be an even number"), 0, G_MAXINT, _TREE_VIEW_VERTICAL_SEPARATOR, G_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("horizontal_separator", P_("Horizontal Separator Width"), P_("Horizontal space between cells. Must be an even number"), 0, G_MAXINT, _TREE_VIEW_HORIZONTAL_SEPARATOR, G_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_boolean ("allow_rules", P_("Allow Rules"), P_("Allow drawing of alternating color rows"), TRUE, G_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_boolean ("indent_expanders", P_("Indent Expanders"), P_("Make the expanders indented"), TRUE, G_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_boxed ("even_row_color", P_("Even Row Color"), P_("Color to use for even rows"), GDK_TYPE_COLOR, G_PARAM_READABLE)); gtk_widget_class_install_style_property (widget_class, g_param_spec_boxed ("odd_row_color", P_("Odd Row Color"), P_("Color to use for odd rows"), GDK_TYPE_COLOR, G_PARAM_READABLE)); /* Signals */ widget_class->set_scroll_adjustments_signal = g_signal_new ("set_scroll_adjustments", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, set_scroll_adjustments), NULL, NULL, _gtk_marshal_VOID__OBJECT_OBJECT, G_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); tree_view_signals[ROW_ACTIVATED] = g_signal_new ("row_activated", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, row_activated), NULL, NULL, _gtk_marshal_VOID__BOXED_OBJECT, G_TYPE_NONE, 2, GTK_TYPE_TREE_PATH, GTK_TYPE_TREE_VIEW_COLUMN); tree_view_signals[TEST_EXPAND_ROW] = g_signal_new ("test_expand_row", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewClass, test_expand_row), _gtk_boolean_handled_accumulator, NULL, _gtk_marshal_BOOLEAN__BOXED_BOXED, G_TYPE_BOOLEAN, 2, GTK_TYPE_TREE_ITER, GTK_TYPE_TREE_PATH); tree_view_signals[TEST_COLLAPSE_ROW] = g_signal_new ("test_collapse_row", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewClass, test_collapse_row), _gtk_boolean_handled_accumulator, NULL, _gtk_marshal_BOOLEAN__BOXED_BOXED, G_TYPE_BOOLEAN, 2, GTK_TYPE_TREE_ITER, GTK_TYPE_TREE_PATH); tree_view_signals[ROW_EXPANDED] = g_signal_new ("row_expanded", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewClass, row_expanded), NULL, NULL, _gtk_marshal_VOID__BOXED_BOXED, G_TYPE_NONE, 2, GTK_TYPE_TREE_ITER, GTK_TYPE_TREE_PATH); tree_view_signals[ROW_COLLAPSED] = g_signal_new ("row_collapsed", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewClass, row_collapsed), NULL, NULL, _gtk_marshal_VOID__BOXED_BOXED, G_TYPE_NONE, 2, GTK_TYPE_TREE_ITER, GTK_TYPE_TREE_PATH); tree_view_signals[COLUMNS_CHANGED] = g_signal_new ("columns_changed", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewClass, columns_changed), NULL, NULL, _gtk_marshal_NONE__NONE, G_TYPE_NONE, 0); tree_view_signals[CURSOR_CHANGED] = g_signal_new ("cursor_changed", G_TYPE_FROM_CLASS (o_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewClass, cursor_changed), NULL, NULL, _gtk_marshal_NONE__NONE, G_TYPE_NONE, 0); tree_view_signals[MOVE_CURSOR] = g_signal_new ("move_cursor", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, move_cursor), NULL, NULL, _gtk_marshal_BOOLEAN__ENUM_INT, G_TYPE_BOOLEAN, 2, GTK_TYPE_MOVEMENT_STEP, G_TYPE_INT); tree_view_signals[SELECT_ALL] = g_signal_new ("select_all", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, select_all), NULL, NULL, _gtk_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); tree_view_signals[UNSELECT_ALL] = g_signal_new ("unselect_all", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, unselect_all), NULL, NULL, _gtk_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); tree_view_signals[SELECT_CURSOR_ROW] = g_signal_new ("select_cursor_row", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_row), NULL, NULL, _gtk_marshal_BOOLEAN__BOOLEAN, G_TYPE_BOOLEAN, 1, G_TYPE_BOOLEAN); tree_view_signals[TOGGLE_CURSOR_ROW] = g_signal_new ("toggle_cursor_row", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, toggle_cursor_row), NULL, NULL, _gtk_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); tree_view_signals[EXPAND_COLLAPSE_CURSOR_ROW] = g_signal_new ("expand_collapse_cursor_row", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, expand_collapse_cursor_row), NULL, NULL, _gtk_marshal_BOOLEAN__BOOLEAN_BOOLEAN_BOOLEAN, G_TYPE_BOOLEAN, 3, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN); tree_view_signals[SELECT_CURSOR_PARENT] = g_signal_new ("select_cursor_parent", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_parent), NULL, NULL, _gtk_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); tree_view_signals[START_INTERACTIVE_SEARCH] = g_signal_new ("start_interactive_search", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkTreeViewClass, start_interactive_search), NULL, NULL, _gtk_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); /* Key bindings */ gtk_tree_view_add_move_binding (binding_set, GDK_Up, 0, GTK_MOVEMENT_DISPLAY_LINES, -1); gtk_tree_view_add_move_binding (binding_set, GDK_KP_Up, 0, GTK_MOVEMENT_DISPLAY_LINES, -1); gtk_tree_view_add_move_binding (binding_set, GDK_Down, 0, GTK_MOVEMENT_DISPLAY_LINES, 1); gtk_tree_view_add_move_binding (binding_set, GDK_KP_Down, 0, GTK_MOVEMENT_DISPLAY_LINES, 1); gtk_tree_view_add_move_binding (binding_set, GDK_p, GDK_CONTROL_MASK, GTK_MOVEMENT_DISPLAY_LINES, -1); gtk_tree_view_add_move_binding (binding_set, GDK_n, GDK_CONTROL_MASK, GTK_MOVEMENT_DISPLAY_LINES, 1); gtk_tree_view_add_move_binding (binding_set, GDK_Home, 0, GTK_MOVEMENT_BUFFER_ENDS, -1); gtk_tree_view_add_move_binding (binding_set, GDK_KP_Home, 0, GTK_MOVEMENT_BUFFER_ENDS, -1); gtk_tree_view_add_move_binding (binding_set, GDK_End, 0, GTK_MOVEMENT_BUFFER_ENDS, 1); gtk_tree_view_add_move_binding (binding_set, GDK_KP_End, 0, GTK_MOVEMENT_BUFFER_ENDS, 1); gtk_tree_view_add_move_binding (binding_set, GDK_Page_Up, 0, GTK_MOVEMENT_PAGES, -1); gtk_tree_view_add_move_binding (binding_set, GDK_KP_Page_Up, 0, GTK_MOVEMENT_PAGES, -1); gtk_tree_view_add_move_binding (binding_set, GDK_Page_Down, 0, GTK_MOVEMENT_PAGES, 1); gtk_tree_view_add_move_binding (binding_set, GDK_KP_Page_Down, 0, GTK_MOVEMENT_PAGES, 1); gtk_binding_entry_add_signal (binding_set, GDK_Right, 0, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, 1); gtk_binding_entry_add_signal (binding_set, GDK_Left, 0, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, -1); gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, 0, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, 1); gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, 0, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, -1); gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_CONTROL_MASK, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, 1); gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_CONTROL_MASK, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, -1); gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, GDK_CONTROL_MASK, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, 1); gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, GDK_CONTROL_MASK, "move_cursor", 2, G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS, G_TYPE_INT, -1); gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle_cursor_row", 0); gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK, "select_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_slash, GDK_CONTROL_MASK, "select_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_A, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "unselect_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_backslash, GDK_CONTROL_MASK, "unselect_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_SHIFT_MASK, "select_cursor_row", 1, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select_cursor_row", 1, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Return, 0, "select_cursor_row", 1, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_ISO_Enter, 0, "select_cursor_row", 1, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Enter, 0, "select_cursor_row", 1, G_TYPE_BOOLEAN, TRUE); /* expand and collapse rows */ gtk_binding_entry_add_signal (binding_set, GDK_plus, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_asterisk, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Multiply, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_slash, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Divide, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE); /* Not doable on US keyboards */ gtk_binding_entry_add_signal (binding_set, GDK_plus, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_minus, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_minus, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, 0, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, TRUE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, FALSE, G_TYPE_BOOLEAN, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0, "select_cursor_parent", 0); gtk_binding_entry_add_signal (binding_set, GDK_f, GDK_CONTROL_MASK, "start_interactive_search", 0); gtk_binding_entry_add_signal (binding_set, GDK_F, GDK_CONTROL_MASK, "start_interactive_search", 0); } static void gtk_tree_view_init (GtkTreeView *tree_view) { tree_view->priv = g_new0 (GtkTreeViewPrivate, 1); GTK_WIDGET_SET_FLAGS (tree_view, GTK_CAN_FOCUS); gtk_widget_set_redraw_on_allocate (GTK_WIDGET (tree_view), FALSE); tree_view->priv->flags = GTK_TREE_VIEW_SHOW_EXPANDERS | GTK_TREE_VIEW_DRAW_KEYFOCUS | GTK_TREE_VIEW_HEADERS_VISIBLE; /* We need some padding */ tree_view->priv->dy = 0; tree_view->priv->n_columns = 0; tree_view->priv->header_height = 1; tree_view->priv->x_drag = 0; tree_view->priv->drag_pos = -1; tree_view->priv->header_has_focus = FALSE; tree_view->priv->pressed_button = -1; tree_view->priv->press_start_x = -1; tree_view->priv->press_start_y = -1; tree_view->priv->reorderable = FALSE; tree_view->priv->presize_handler_timer = 0; tree_view->priv->scroll_sync_timer = 0; tree_view->priv->fixed_height = -1; tree_view->priv->fixed_height_mode = FALSE; tree_view->priv->fixed_height_check = 0; gtk_tree_view_set_adjustments (tree_view, NULL, NULL); tree_view->priv->selection = _gtk_tree_selection_new_with_tree_view (tree_view); tree_view->priv->enable_search = TRUE; tree_view->priv->search_column = -1; tree_view->priv->search_dialog_position_func = gtk_tree_view_search_position_func; tree_view->priv->search_equal_func = gtk_tree_view_search_equal_func; tree_view->priv->typeselect_flush_timeout = 0; tree_view->priv->init_hadjust_value = TRUE; tree_view->priv->width = 0; tree_view->priv->hover_selection = FALSE; } /* GObject Methods */ static void gtk_tree_view_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkTreeView *tree_view; tree_view = GTK_TREE_VIEW (object); switch (prop_id) { case PROP_MODEL: gtk_tree_view_set_model (tree_view, g_value_get_object (value)); break; case PROP_HADJUSTMENT: gtk_tree_view_set_hadjustment (tree_view, g_value_get_object (value)); break; case PROP_VADJUSTMENT: gtk_tree_view_set_vadjustment (tree_view, g_value_get_object (value)); break; case PROP_HEADERS_VISIBLE: gtk_tree_view_set_headers_visible (tree_view, g_value_get_boolean (value)); break; case PROP_HEADERS_CLICKABLE: gtk_tree_view_set_headers_clickable (tree_view, g_value_get_boolean (value)); break; case PROP_EXPANDER_COLUMN: gtk_tree_view_set_expander_column (tree_view, g_value_get_object (value)); break; case PROP_REORDERABLE: gtk_tree_view_set_reorderable (tree_view, g_value_get_boolean (value)); break; case PROP_RULES_HINT: gtk_tree_view_set_rules_hint (tree_view, g_value_get_boolean (value)); break; case PROP_ENABLE_SEARCH: gtk_tree_view_set_enable_search (tree_view, g_value_get_boolean (value)); break; case PROP_SEARCH_COLUMN: gtk_tree_view_set_search_column (tree_view, g_value_get_int (value)); break; case PROP_FIXED_HEIGHT_MODE: gtk_tree_view_set_fixed_height_mode (tree_view, g_value_get_boolean (value)); break; case PROP_HOVER_SELECTION: tree_view->priv->hover_selection = g_value_get_boolean (value); break; default: break; } } static void gtk_tree_view_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkTreeView *tree_view; tree_view = GTK_TREE_VIEW (object); switch (prop_id) { case PROP_MODEL: g_value_set_object (value, tree_view->priv->model); break; case PROP_HADJUSTMENT: g_value_set_object (value, tree_view->priv->hadjustment); break; case PROP_VADJUSTMENT: g_value_set_object (value, tree_view->priv->vadjustment); break; case PROP_HEADERS_VISIBLE: g_value_set_boolean (value, gtk_tree_view_get_headers_visible (tree_view)); break; case PROP_EXPANDER_COLUMN: g_value_set_object (value, tree_view->priv->expander_column); break; case PROP_REORDERABLE: g_value_set_boolean (value, tree_view->priv->reorderable); break; case PROP_RULES_HINT: g_value_set_boolean (value, tree_view->priv->has_rules); break; case PROP_ENABLE_SEARCH: g_value_set_boolean (value, tree_view->priv->enable_search); break; case PROP_SEARCH_COLUMN: g_value_set_int (value, tree_view->priv->search_column); break; case PROP_FIXED_HEIGHT_MODE: g_value_set_boolean (value, tree_view->priv->fixed_height_mode); break; case PROP_HOVER_SELECTION: g_value_set_boolean (value, tree_view->priv->hover_selection); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_tree_view_finalize (GObject *object) { GtkTreeView *tree_view = (GtkTreeView *) object; g_free (tree_view->priv); (* G_OBJECT_CLASS (parent_class)->finalize) (object); } /* GtkObject Methods */ static void gtk_tree_view_destroy (GtkObject *object) { GtkTreeView *tree_view = GTK_TREE_VIEW (object); GList *list; gtk_tree_view_stop_editing (tree_view, TRUE); if (tree_view->priv->columns != NULL) { list = tree_view->priv->columns; while (list) { GtkTreeViewColumn *column; column = GTK_TREE_VIEW_COLUMN (list->data); list = list->next; gtk_tree_view_remove_column (tree_view, column); } tree_view->priv->columns = NULL; } if (tree_view->priv->tree != NULL) { gtk_tree_view_unref_and_check_selection_tree (tree_view, tree_view->priv->tree); _gtk_rbtree_free (tree_view->priv->tree); tree_view->priv->tree = NULL; } if (tree_view->priv->selection != NULL) { _gtk_tree_selection_set_tree_view (tree_view->priv->selection, NULL); g_object_unref (tree_view->priv->selection); tree_view->priv->selection = NULL; } if (tree_view->priv->scroll_to_path != NULL) { gtk_tree_row_reference_free (tree_view->priv->scroll_to_path); tree_view->priv->scroll_to_path = NULL; } if (tree_view->priv->drag_dest_row != NULL) { gtk_tree_row_reference_free (tree_view->priv->drag_dest_row); tree_view->priv->drag_dest_row = NULL; } if (tree_view->priv->last_button_press != NULL) { gtk_tree_row_reference_free (tree_view->priv->last_button_press); tree_view->priv->last_button_press = NULL; } if (tree_view->priv->last_button_press_2 != NULL) { gtk_tree_row_reference_free (tree_view->priv->last_button_press_2); tree_view->priv->last_button_press_2 = NULL; } if (tree_view->priv->top_row != NULL) { gtk_tree_row_reference_free (tree_view->priv->top_row); tree_view->priv->top_row = NULL; } if (tree_view->priv->column_drop_func_data && tree_view->priv->column_drop_func_data_destroy) { (* tree_view->priv->column_drop_func_data_destroy) (tree_view->priv->column_drop_func_data); tree_view->priv->column_drop_func_data = NULL; } if (tree_view->priv->destroy_count_destroy && tree_view->priv->destroy_count_data) { (* tree_view->priv->destroy_count_destroy) (tree_view->priv->destroy_count_data); tree_view->priv->destroy_count_data = NULL; } gtk_tree_row_reference_free (tree_view->priv->cursor); tree_view->priv->cursor = NULL; gtk_tree_row_reference_free (tree_view->priv->anchor); tree_view->priv->anchor = NULL; /* destroy interactive search dialog */ if (tree_view->priv->search_window) { gtk_widget_destroy (tree_view->priv->search_window); tree_view->priv->search_window = NULL; tree_view->priv->search_entry = NULL; } if (tree_view->priv->search_destroy) { (* tree_view->priv->search_destroy) (tree_view->priv->search_user_data); tree_view->priv->search_user_data = NULL; } if (tree_view->priv->row_separator_destroy) { (* tree_view->priv->row_separator_destroy) (tree_view->priv->row_separator_data); tree_view->priv->row_separator_data = NULL; } gtk_tree_view_set_model (tree_view, NULL); if (tree_view->priv->hadjustment) { g_object_unref (tree_view->priv->hadjustment); tree_view->priv->hadjustment = NULL; } if (tree_view->priv->vadjustment) { g_object_unref (tree_view->priv->vadjustment); tree_view->priv->vadjustment = NULL; } if (GTK_OBJECT_CLASS (parent_class)->destroy) (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); } /* GtkWidget Methods */ /* GtkWidget::map helper */ static void gtk_tree_view_map_buttons (GtkTreeView *tree_view) { GList *list; g_return_if_fail (GTK_WIDGET_MAPPED (tree_view)); if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE)) { GtkTreeViewColumn *column; for (list = tree_view->priv->columns; list; list = list->next) { column = list->data; if (GTK_WIDGET_VISIBLE (column->button) && !GTK_WIDGET_MAPPED (column->button)) gtk_widget_map (column->button); } for (list = tree_view->priv->columns; list; list = list->next) { column = list->data; if (column->visible == FALSE) continue; if (column->resizable) { gdk_window_raise (column->window); gdk_window_show (column->window); } else gdk_window_hide (column->window); } gdk_window_show (tree_view->priv->header_window); } } static void gtk_tree_view_map (GtkWidget *widget) { GList *tmp_list; GtkTreeView *tree_view; g_return_if_fail (GTK_IS_TREE_VIEW (widget)); tree_view = GTK_TREE_VIEW (widget); GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); tmp_list = tree_view->priv->children; while (tmp_list) { GtkTreeViewChild *child = tmp_list->data; tmp_list = tmp_list->next; if (GTK_WIDGET_VISIBLE (child->widget)) { if (!GTK_WIDGET_MAPPED (child->widget)) gtk_widget_map (child->widget); } } gdk_window_show (tree_view->priv->bin_window); gtk_tree_view_map_buttons (tree_view); gdk_window_show (widget->window); } static void gtk_tree_view_realize (GtkWidget *widget) { GList *tmp_list; GtkTreeView *tree_view; GdkGCValues values; GdkWindowAttr attributes; gint attributes_mask; g_return_if_fail (GTK_IS_TREE_VIEW (widget)); tree_view = GTK_TREE_VIEW (widget); GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); /* Make the main, clipping window */ attributes.window_type = GDK_WINDOW_CHILD; attributes.x = widget->allocation.x; attributes.y = widget->allocation.y; attributes.width = widget->allocation.width; attributes.height = widget->allocation.height; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (widget->window, widget); /* Make the window for the tree */ attributes.x = 0; attributes.y = TREE_VIEW_HEADER_HEIGHT (tree_view); attributes.width = tree_view->priv->width; attributes.height = widget->allocation.height; attributes.event_mask = GDK_EXPOSURE_MASK | GDK_SCROLL_MASK | GDK_POINTER_MOTION_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | gtk_widget_get_events (widget); tree_view->priv->bin_window = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (tree_view->priv->bin_window, widget); /* Make the column header window */ attributes.x = 0; attributes.y = 0; attributes.width = MAX (tree_view->priv->width, widget->allocation.width); attributes.height = tree_view->priv->header_height; attributes.event_mask = (GDK_EXPOSURE_MASK | GDK_SCROLL_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK) | gtk_widget_get_events (widget); tree_view->priv->header_window = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (tree_view->priv->header_window, widget); values.foreground = (widget->style->white.pixel==0 ? widget->style->black:widget->style->white); values.function = GDK_XOR; values.subwindow_mode = GDK_INCLUDE_INFERIORS; /* Add them all up. */ widget->style = gtk_style_attach (widget->style, widget->window); gdk_window_set_background (widget->window, &widget->style->base[widget->state]); gdk_window_set_background (tree_view->priv->bin_window, &widget->style->base[widget->state]); gtk_style_set_background (widget->style, tree_view->priv->header_window, GTK_STATE_NORMAL); tmp_list = tree_view->priv->children; while (tmp_list) { GtkTreeViewChild *child = tmp_list->data; tmp_list = tmp_list->next; gtk_widget_set_parent_window (child->widget, tree_view->priv->bin_window); } for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next) _gtk_tree_view_column_realize_button (GTK_TREE_VIEW_COLUMN (tmp_list->data)); install_presize_handler (tree_view); } static void gtk_tree_view_unrealize (GtkWidget *widget) { GtkTreeView *tree_view; GList *list; g_return_if_fail (GTK_IS_TREE_VIEW (widget)); tree_view = GTK_TREE_VIEW (widget); if (tree_view->priv->scroll_timeout != 0) { g_source_remove (tree_view->priv->scroll_timeout); tree_view->priv->scroll_timeout = 0; } if (tree_view->priv->open_dest_timeout != 0) { g_source_remove (tree_view->priv->open_dest_timeout); tree_view->priv->open_dest_timeout = 0; } if (tree_view->priv->expand_collapse_timeout != 0) { g_source_remove (tree_view->priv->expand_collapse_timeout); tree_view->priv->expand_collapse_timeout = 0; } if (tree_view->priv->presize_handler_timer != 0) { g_source_remove (tree_view->priv->presize_handler_timer); tree_view->priv->presize_handler_timer = 0; } if (tree_view->priv->validate_rows_timer != 0) { g_source_remove (tree_view->priv->validate_rows_timer); tree_view->priv->validate_rows_timer = 0; } if (tree_view->priv->scroll_sync_timer != 0) { g_source_remove (tree_view->priv->scroll_sync_timer); tree_view->priv->scroll_sync_timer = 0; } if (tree_view->priv->typeselect_flush_timeout) { g_source_remove (tree_view->priv->typeselect_flush_timeout); tree_view->priv->typeselect_flush_timeout = 0; } for (list = tree_view->priv->columns; list; list = list->next) _gtk_tree_view_column_unrealize_button (GTK_TREE_VIEW_COLUMN (list->data)); gdk_window_set_user_data (tree_view->priv->bin_window, NULL); gdk_window_destroy (tree_view->priv->bin_window); tree_view->priv->bin_window = NULL; gdk_window_set_user_data (tree_view->priv->header_window, NULL); gdk_window_destroy (tree_view->priv->header_window); tree_view->priv->header_window = NULL; if (tree_view->priv->drag_window) { gdk_window_set_user_data (tree_view->priv->drag_window, NULL); gdk_window_destroy (tree_view->priv->drag_window); tree_view->priv->drag_window = NULL; } if (tree_view->priv->drag_highlight_window) { gdk_window_set_user_data (tree_view->priv->drag_highlight_window, NULL); gdk_window_destroy (tree_view->priv->drag_highlight_window); tree_view->priv->drag_highlight_window = NULL; } /* GtkWidget::unrealize destroys children and widget->window */ if (GTK_WIDGET_CLASS (parent_class)->unrealize) (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); } /* GtkWidget::size_request helper */ static void gtk_tree_view_size_request_columns (GtkTreeView *tree_view) { GList *list; tree_view->priv->header_height = 0; if (tree_view->priv->model) { for (list = tree_view->priv->columns; list; list = list->next) { GtkRequisition requisition; GtkTreeViewColumn *column = list->data; if (column->button == NULL) continue; column = list->data; gtk_widget_size_request (column->button, &requisition); column->button_request = requisition.width; tree_view->priv->header_height = MAX (tree_view->priv->header_height, requisition.height); } } } /* Called only by ::size_request */ static void gtk_tree_view_update_size (GtkTreeView *tree_view) { GList *list; GtkTreeViewColumn *column; gint i; if (tree_view->priv->model == NULL) { tree_view->priv->width = 0; tree_view->priv->prev_width = 0; tree_view->priv->height = 0; return; } tree_view->priv->prev_width = tree_view->priv->width; tree_view->priv->width = 0; /* keep this in sync with size_allocate below */ for (list = tree_view->priv->columns, i = 0; list; list = list->next, i++) { gint real_requested_width = 0; column = list->data; if (!column->visible) continue; if (column->use_resized_width) { real_requested_width = column->resized_width; } else if (column->column_type == GTK_TREE_VIEW_COLUMN_FIXED) { real_requested_width = column->fixed_width; } else if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE)) { real_requested_width = MAX (column->requested_width, column->button_request); } else { real_requested_width = column->requested_width; } if (column->min_width != -1) real_requested_width = MAX (real_requested_width, column->min_width); if (column->max_width != -1) real_requested_width = MIN (real_requested_width, column->max_width); tree_view->priv->width += real_requested_width; } if (tree_view->priv->tree == NULL) tree_view->priv->height = 0; else tree_view->priv->height = tree_view->priv->tree->root->offset; } static void gtk_tree_view_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkTreeView *tree_view; GList *tmp_list; g_return_if_fail (GTK_IS_TREE_VIEW (widget)); tree_view = GTK_TREE_VIEW (widget); /* we validate GTK_TREE_VIEW_NUM_ROWS_PER_IDLE rows initially just to make * sure we have some size. In practice, with a lot of static lists, this * should get a good width. */ validate_rows (tree_view); gtk_tree_view_size_request_columns (tree_view); gtk_tree_view_update_size (GTK_TREE_VIEW (widget)); requisition->width = tree_view->priv->width; requisition->height = tree_view->priv->height + TREE_VIEW_HEADER_HEIGHT (tree_view); tmp_list = tree_view->priv->children; while (tmp_list) { GtkTreeViewChild *child = tmp_list->data; GtkRequisition child_requisition; tmp_list = tmp_list->next; if (GTK_WIDGET_VISIBLE (child->widget)) gtk_widget_size_request (child->widget, &child_requisition); } } static void invalidate_column (GtkTreeView *tree_view, GtkTreeViewColumn *column) { gint column_offset = 0; GList *list; GtkWidget *widget = GTK_WIDGET (tree_view); gboolean rtl; if (!GTK_WIDGET_REALIZED (widget)) return; rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns)); list; list = (rtl ? list->prev : list->next)) { GtkTreeViewColumn *tmpcolumn = list->data; if (tmpcolumn == column) { GdkRectangle invalid_rect; invalid_rect.x = column_offset; invalid_rect.y = 0; invalid_rect.width = column->width; invalid_rect.height = widget->allocation.height; gdk_window_invalidate_rect (widget->window, &invalid_rect, TRUE); break; } column_offset += tmpcolumn->width; } } static void invalidate_last_column (GtkTreeView *tree_view) { GList *last_column; gboolean rtl; rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); for (last_column = (rtl ? g_list_first (tree_view->priv->columns) : g_list_last (tree_view->priv->columns)); last_column; last_column = (rtl ? last_column->next : last_column->prev)) { if (GTK_TREE_VIEW_COLUMN (last_column->data)->visible) { invalidate_column (tree_view, last_column->data); return; } } } static gint gtk_tree_view_get_real_requested_width_from_column (GtkTreeView *tree_view, GtkTreeViewColumn *column) { gint real_requested_width; if (column->use_resized_width) { real_requested_width = column->resized_width; } else if (column->column_type == GTK_TREE_VIEW_COLUMN_FIXED) { real_requested_width = column->fixed_width; } else if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE)) { real_requested_width = MAX (column->requested_width, column->button_request); } else { real_requested_width = column->requested_width; if (real_requested_width < 0) real_requested_width = 0; } if (column->min_width != -1) real_requested_width = MAX (real_requested_width, column->min_width); if (column->max_width != -1) real_requested_width = MIN (real_requested_width, column->max_width); return real_requested_width; } /* GtkWidget::size_allocate helper */ static void gtk_tree_view_size_allocate_columns (GtkWidget *widget) { GtkTreeView *tree_view; GList *list, *first_column, *last_column; GtkTreeViewColumn *column; GtkAllocation allocation; gint width = 0; gint extra, extra_per_column; gint full_requested_width = 0; gint number_of_expand_columns = 0; gboolean rtl; tree_view = GTK_TREE_VIEW (widget); for (last_column = g_list_last (tree_view->priv->columns); last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible); last_column = last_column->prev) ; if (last_column == NULL) return; for (first_column = g_list_first (tree_view->priv->columns); first_column && !(GTK_TREE_VIEW_COLUMN (first_column->data)->visible); first_column = first_column->next) ; allocation.y = 0; allocation.height = tree_view->priv->header_height; rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); /* find out how many extra space and expandable columns we have */ for (list = tree_view->priv->columns; list != last_column->next; list = list->next) { column = (GtkTreeViewColumn *)list->data; if (!column->visible) continue; full_requested_width += gtk_tree_view_get_real_requested_width_from_column (tree_view, column); if (column->expand) number_of_expand_columns++; } extra = MAX (widget->allocation.width - full_requested_width, 0); if (number_of_expand_columns > 0) extra_per_column = extra/number_of_expand_columns; else extra_per_column = 0; for (list = (rtl ? last_column : first_column); list != (rtl ? first_column->prev : last_column->next); list = (rtl ? list->prev : list->next)) { gint real_requested_width = 0; gint old_width; column = list->data; old_width = column->width; if (!column->visible) continue; /* We need to handle the dragged button specially. */ if (column == tree_view->priv->drag_column) { GtkAllocation drag_allocation; gdk_drawable_get_size (tree_view->priv->drag_window, &(drag_allocation.width), &(drag_allocation.height)); drag_allocation.x = 0; drag_allocation.y = 0; gtk_widget_size_allocate (tree_view->priv->drag_column->button, &drag_allocation); width += drag_allocation.width; continue; } real_requested_width = gtk_tree_view_get_real_requested_width_from_column (tree_view, column); allocation.x = width; column->width = real_requested_width; if (column->expand) { if (number_of_expand_columns == 1) { /* We add the remander to the last column as * */ column->width += extra; } else { column->width += extra_per_column; extra -= extra_per_column; number_of_expand_columns --; } } else if (number_of_expand_columns == 0 && list == last_column) { column->width += extra; } g_object_notify (G_OBJECT (column), "width"); allocation.width = column->width; width += column->width; if (column->width > old_width) invalidate_column (tree_view, column); gtk_widget_size_allocate (column->button, &allocation); if (column->window) gdk_window_move_resize (column->window, allocation.x + (rtl ? 0 : allocation.width) - TREE_VIEW_DRAG_WIDTH/2, allocation.y, TREE_VIEW_DRAG_WIDTH, allocation.height); } } static void gtk_tree_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GList *tmp_list; GtkTreeView *tree_view; gboolean width_changed = FALSE; gboolean dy_changed = FALSE; gint old_width = widget->allocation.width; g_return_if_fail (GTK_IS_TREE_VIEW (widget)); if (allocation->width != widget->allocation.width) width_changed = TRUE; widget->allocation = *allocation; tree_view = GTK_TREE_VIEW (widget); tmp_list = tree_view->priv->children; while (tmp_list) { GtkAllocation allocation; GtkTreeViewChild *child = tmp_list->data; tmp_list = tmp_list->next; /* totally ignore our childs requisition */ allocation.x = child->x; allocation.y = child->y; allocation.width = child->width; allocation.height = child->height; gtk_widget_size_allocate (child->widget, &allocation); } tree_view->priv->hadjustment->page_size = allocation->width; tree_view->priv->hadjustment->page_increment = allocation->width * 0.9; tree_view->priv->hadjustment->step_increment = allocation->width * 0.1; tree_view->priv->hadjustment->lower = 0; tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->page_size, tree_view->priv->width); if (gtk_widget_get_direction(widget) == GTK_TEXT_DIR_RTL) { if (allocation->width < tree_view->priv->width) { if (tree_view->priv->init_hadjust_value) { tree_view->priv->hadjustment->value = MAX (tree_view->priv->width - allocation->width, 0); tree_view->priv->init_hadjust_value = FALSE; } else if(allocation->width != old_width) tree_view->priv->hadjustment->value = CLAMP(tree_view->priv->hadjustment->value - allocation->width + old_width, 0, tree_view->priv->width - allocation->width); else tree_view->priv->hadjustment->value = CLAMP(tree_view->priv->width - (tree_view->priv->prev_width - tree_view->priv->hadjustment->value), 0, tree_view->priv->width - allocation->width); } else { tree_view->priv->hadjustment->value = 0; tree_view->priv->init_hadjust_value = TRUE; } } else if (tree_view->priv->hadjustment->value + allocation->width > tree_view->priv->width) tree_view->priv->hadjustment->value = MAX (tree_view->priv->width - allocation->width, 0); gtk_adjustment_changed (tree_view->priv->hadjustment); tree_view->priv->vadjustment->page_size = allocation->height - TREE_VIEW_HEADER_HEIGHT (tree_view); tree_view->priv->vadjustment->step_increment = tree_view->priv->vadjustment->page_size * 0.1; tree_view->priv->vadjustment->page_increment = tree_view->priv->vadjustment->page_size * 0.9; tree_view->priv->vadjustment->lower = 0; tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->page_size, tree_view->priv->height); if (tree_view->priv->vadjustment->value + allocation->height - TREE_VIEW_HEADER_HEIGHT (tree_view) > tree_view->priv->height) { double before = tree_view->priv->vadjustment->value; gtk_adjustment_set_value (tree_view->priv->vadjustment, MAX (tree_view->priv->height - tree_view->priv->vadjustment->page_size, 0)); if (before != tree_view->priv->vadjustment->value) dy_changed = TRUE; } gtk_adjustment_changed (tree_view->priv->vadjustment); if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (widget->window, allocation->x, allocation->y, allocation->width, allocation->height); gdk_window_move_resize (tree_view->priv->header_window, - (gint) tree_view->priv->hadjustment->value, 0, MAX (tree_view->priv->width, allocation->width), tree_view->priv->header_height); gdk_window_move_resize (tree_view->priv->bin_window, - (gint) tree_view->priv->hadjustment->value, TREE_VIEW_HEADER_HEIGHT (tree_view), MAX (tree_view->priv->width, allocation->width), allocation->height - TREE_VIEW_HEADER_HEIGHT (tree_view)); } gtk_tree_view_size_allocate_columns (widget); if (GTK_WIDGET_REALIZED (widget)) { gboolean has_expand_column = FALSE; for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next) { if (gtk_tree_view_column_get_expand (GTK_TREE_VIEW_COLUMN (tmp_list->data))) { has_expand_column = TRUE; break; } } /* This little hack only works if we have an LTR locale, and no column has the */ if (width_changed) { if (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_LTR && ! has_expand_column) invalidate_last_column (tree_view); else gtk_widget_queue_draw (widget); } if (dy_changed) gtk_widget_queue_draw (widget); } } /* Grabs the focus and unsets the GTK_TREE_VIEW_DRAW_KEYFOCUS flag */ static void grab_focus_and_unset_draw_keyfocus (GtkTreeView *tree_view) { if (!GTK_WIDGET_HAS_FOCUS (tree_view)) gtk_widget_grab_focus (GTK_WIDGET (tree_view)); GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS); } static gboolean gtk_tree_view_button_press (GtkWidget *widget, GdkEventButton *event) { GtkTreeView *tree_view; GList *list; GtkTreeViewColumn *column = NULL; gint i; GdkRectangle background_area; GdkRectangle cell_area; gint vertical_separator; gint horizontal_separator; gboolean rtl; g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); tree_view = GTK_TREE_VIEW (widget); rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); gtk_tree_view_stop_editing (tree_view, FALSE); gtk_widget_style_get (widget, "vertical_separator", &vertical_separator, "horizontal_separator", &horizontal_separator, NULL); /* Because grab_focus can cause reentrancy, we delay grab_focus until after * we're done handling the button press. */ if (event->window == tree_view->priv->bin_window) { GtkRBNode *node; GtkRBTree *tree; GtkTreePath *path; gchar *path_string; gint depth; gint new_y; gint y_offset; gint dval; gint pre_val, aft_val; GtkTreeViewColumn *column = NULL; GtkCellRenderer *focus_cell = NULL; gint column_handled_click = FALSE; gboolean row_double_click = FALSE; gboolean rtl; /* Empty tree? */ if (tree_view->priv->tree == NULL) { grab_focus_and_unset_draw_keyfocus (tree_view); return TRUE; } /* are we in an arrow? */ if (tree_view->priv->prelight_node && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT)) { if (event->button == 1) { gtk_grab_add (widget); tree_view->priv->button_pressed_node = tree_view->priv->prelight_node; tree_view->priv->button_pressed_tree = tree_view->priv->prelight_tree; gtk_tree_view_draw_arrow (GTK_TREE_VIEW (widget), tree_view->priv->prelight_tree, tree_view->priv->prelight_node, event->x, event->y); } grab_focus_and_unset_draw_keyfocus (tree_view); return TRUE; } /* find the node that was clicked */ new_y = TREE_WINDOW_Y_TO_RBTREE_Y(tree_view, event->y); if (new_y < 0) new_y = 0; y_offset = -_gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node); if (node == NULL) { /* We clicked in dead space */ grab_focus_and_unset_draw_keyfocus (tree_view); return TRUE; } /* Get the path and the node */ path = _gtk_tree_view_find_path (tree_view, tree, node); depth = gtk_tree_path_get_depth (path); background_area.y = y_offset + event->y; background_area.height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node)); background_area.x = 0; /* Let the column have a chance at selecting it. */ rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns)); list; list = (rtl ? list->prev : list->next)) { column = list->data; if (!column->visible) continue; background_area.width = column->width; if ((background_area.x > (gint) event->x) || (background_area.x + background_area.width <= (gint) event->x)) { background_area.x += background_area.width; continue; } /* we found the focus column */ cell_area = background_area; cell_area.width -= horizontal_separator; cell_area.height -= vertical_separator; cell_area.x += horizontal_separator/2; cell_area.y += vertical_separator/2; if (gtk_tree_view_is_expander_column (tree_view, column) && TREE_VIEW_DRAW_EXPANDERS(tree_view)) { cell_area.x += depth * tree_view->priv->expander_size; cell_area.width -= depth * tree_view->priv->expander_size; } break; } if (column == NULL) { gtk_tree_path_free (path); grab_focus_and_unset_draw_keyfocus (tree_view); return FALSE; } tree_view->priv->focus_column = column; /* decide if we edit */ if (event->type == GDK_BUTTON_PRESS && event->button == 1 && !(event->state & gtk_accelerator_get_default_mod_mask ())) { GtkTreePath *anchor; GtkTreeIter iter; if (tree_view->priv->anchor) { anchor = gtk_tree_row_reference_get_path (tree_view->priv->anchor); gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, &iter, GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT), node->children?TRUE:FALSE); } else anchor = NULL; if ((anchor && !gtk_tree_path_compare (anchor, path)) || !_gtk_tree_view_column_has_editable_cell (column)) { GtkCellEditable *cell_editable = NULL; /* FIXME: get the right flags */ guint flags = 0; path_string = gtk_tree_path_to_string (path); if (_gtk_tree_view_column_cell_event (column, &cell_editable, (GdkEvent *)event, path_string, &background_area, &cell_area, flags)) { if (cell_editable != NULL) { gint left, right; GdkRectangle area; area = cell_area; _gtk_tree_view_column_get_neighbor_sizes (column, _gtk_tree_view_column_get_edited_cell (column), &left, &right); area.x += left; area.width -= right + left; gtk_tree_view_real_start_editing (tree_view, column, path, cell_editable, &area, (GdkEvent *)event, flags); g_free (path_string); gtk_tree_path_free (path); gtk_tree_path_free (anchor); return TRUE; } column_handled_click = TRUE; } g_free (path_string); } if (anchor) gtk_tree_path_free (anchor); } /* select */ pre_val = tree_view->priv->vadjustment->value; /* we only handle selection modifications on the first button press */ if (event->type == GDK_BUTTON_PRESS) { if ((event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) tree_view->priv->ctrl_pressed = TRUE; if ((event->state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK) tree_view->priv->shift_pressed = TRUE; focus_cell = _gtk_tree_view_column_get_cell_at_pos (column, event->x - background_area.x); if (focus_cell) gtk_tree_view_column_focus_cell (column, focus_cell); if (event->state & GDK_CONTROL_MASK) { gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE); gtk_tree_view_real_toggle_cursor_row (tree_view); } else if (event->state & GDK_SHIFT_MASK) { gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE); gtk_tree_view_real_select_cursor_row (tree_view, FALSE); } else { gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE); } tree_view->priv->ctrl_pressed = FALSE; tree_view->priv->shift_pressed = FALSE; } /* the treeview may have been scrolled because of _set_cursor, * correct here */ aft_val = tree_view->priv->vadjustment->value; dval = pre_val - aft_val; cell_area.y += dval; background_area.y += dval; /* Save press to possibly begin a drag */ if (!column_handled_click && tree_view->priv->pressed_button < 0) { tree_view->priv->pressed_button = event->button; tree_view->priv->press_start_x = event->x; tree_view->priv->press_start_y = event->y; } /* Test if a double click happened on the same row. */ if (event->button == 1) { /* We also handle triple clicks here, because a user could have done * a first click and a second double click on different rows. */ if ((event->type == GDK_2BUTTON_PRESS || event->type == GDK_3BUTTON_PRESS) && tree_view->priv->last_button_press) { GtkTreePath *lsc; lsc = gtk_tree_row_reference_get_path (tree_view->priv->last_button_press); if (lsc) { row_double_click = !gtk_tree_path_compare (lsc, path); gtk_tree_path_free (lsc); } } if (row_double_click) { if (tree_view->priv->last_button_press) gtk_tree_row_reference_free (tree_view->priv->last_button_press); if (tree_view->priv->last_button_press_2) gtk_tree_row_reference_free (tree_view->priv->last_button_press_2); tree_view->priv->last_button_press = NULL; tree_view->priv->last_button_press_2 = NULL; } else { if (tree_view->priv->last_button_press) gtk_tree_row_reference_free (tree_view->priv->last_button_press); tree_view->priv->last_button_press = tree_view->priv->last_button_press_2; tree_view->priv->last_button_press_2 = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path); } } if (row_double_click) { gtk_grab_remove (widget); gtk_tree_view_row_activated (tree_view, path, column); if (tree_view->priv->pressed_button == event->button) tree_view->priv->pressed_button = -1; } gtk_tree_path_free (path); /* If we activated the row through a double click we don't want to grab * focus back, as moving focus to another widget is pretty common. */ if (!row_double_click) grab_focus_and_unset_draw_keyfocus (tree_view); return TRUE; } /* We didn't click in the window. Let's check to see if we clicked on a column resize window. */ for (i = 0, list = tree_view->priv->columns; list; list = list->next, i++) { column = list->data; if (event->window == column->window && column->resizable && column->window) { gpointer drag_data; if (event->type == GDK_2BUTTON_PRESS && gtk_tree_view_column_get_sizing (column) != GTK_TREE_VIEW_COLUMN_AUTOSIZE) { _gtk_tree_view_column_autosize (tree_view, column); return TRUE; } if (gdk_pointer_grab (column->window, FALSE, GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, NULL, NULL, event->time)) return FALSE; gtk_grab_add (widget); GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE); column->resized_width = column->width; column->use_resized_width = TRUE; /* block attached dnd signal handler */ drag_data = g_object_get_data (G_OBJECT (widget), "gtk-site-data"); if (drag_data) g_signal_handlers_block_matched (widget, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, drag_data); tree_view->priv->drag_pos = i; tree_view->priv->x_drag = column->button->allocation.x + (rtl ? 0 : column->button->allocation.width); if (!GTK_WIDGET_HAS_FOCUS (widget)) gtk_widget_grab_focus (widget); return TRUE; } } return FALSE; } /* GtkWidget::button_release_event helper */ static gboolean gtk_tree_view_button_release_drag_column (GtkWidget *widget, GdkEventButton *event) { GtkTreeView *tree_view; gboolean rtl; tree_view = GTK_TREE_VIEW (widget); rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); gdk_display_pointer_ungrab (gtk_widget_get_display (widget), GDK_CURRENT_TIME); gdk_display_keyboard_ungrab (gtk_widget_get_display (widget), GDK_CURRENT_TIME); /* Move the button back */ g_object_ref (tree_view->priv->drag_column->button); gtk_container_remove (GTK_CONTAINER (tree_view), tree_view->priv->drag_column->button); gtk_widget_set_parent_window (tree_view->priv->drag_column->button, tree_view->priv->header_window); gtk_widget_set_parent (tree_view->priv->drag_column->button, GTK_WIDGET (tree_view)); g_object_unref (tree_view->priv->drag_column->button); gtk_widget_queue_resize (widget); if (tree_view->priv->drag_column->resizable) { gdk_window_raise (tree_view->priv->drag_column->window); gdk_window_show (tree_view->priv->drag_column->window); } else gdk_window_hide (tree_view->priv->drag_column->window); gtk_widget_grab_focus (tree_view->priv->drag_column->button); if (rtl) { if (tree_view->priv->cur_reorder && tree_view->priv->cur_reorder->right_column != tree_view->priv->drag_column) gtk_tree_view_move_column_after (tree_view, tree_view->priv->drag_column, tree_view->priv->cur_reorder->right_column); } else { if (tree_view->priv->cur_reorder && tree_view->priv->cur_reorder->left_column != tree_view->priv->drag_column) gtk_tree_view_move_column_after (tree_view, tree_view->priv->drag_column, tree_view->priv->cur_reorder->left_column); } tree_view->priv->drag_column = NULL; gdk_window_hide (tree_view->priv->drag_window); g_list_foreach (tree_view->priv->column_drag_info, (GFunc) g_free, NULL); g_list_free (tree_view->priv->column_drag_info); tree_view->priv->column_drag_info = NULL; gdk_window_hide (tree_view->priv->drag_highlight_window); /* Reset our flags */ tree_view->priv->drag_column_window_state = DRAG_COLUMN_WINDOW_STATE_UNSET; GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG); return TRUE; } /* GtkWidget::button_release_event helper */ static gboolean gtk_tree_view_button_release_column_resize (GtkWidget *widget, GdkEventButton *event) { GtkTreeView *tree_view; gpointer drag_data; gint x; gint i; tree_view = GTK_TREE_VIEW (widget); i = tree_view->priv->drag_pos; tree_view->priv->drag_pos = -1; /* unblock attached dnd signal handler */ drag_data = g_object_get_data (G_OBJECT (widget), "gtk-site-data"); if (drag_data) g_signal_handlers_unblock_matched (widget, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, drag_data); GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE); gtk_widget_get_pointer (widget, &x, NULL); gtk_grab_remove (widget); gdk_display_pointer_ungrab (gdk_drawable_get_display (event->window), event->time); return TRUE; } static gboolean gtk_tree_view_button_release (GtkWidget *widget, GdkEventButton *event) { GtkTreeView *tree_view; g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); tree_view = GTK_TREE_VIEW (widget); if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG)) return gtk_tree_view_button_release_drag_column (widget, event); if (tree_view->priv->pressed_button == event->button) tree_view->priv->pressed_button = -1; if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE)) return gtk_tree_view_button_release_column_resize (widget, event); if (tree_view->priv->button_pressed_node == NULL) return FALSE; if (event->button == 1) { gtk_grab_remove (widget); if (tree_view->priv->button_pressed_node == tree_view->priv->prelight_node && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT)) { GtkTreePath *path = NULL; path = _gtk_tree_view_find_path (tree_view, tree_view->priv->button_pressed_tree, tree_view->priv->button_pressed_node); /* Actually activate the node */ if (tree_view->priv->button_pressed_node->children == NULL) gtk_tree_view_real_expand_row (tree_view, path, tree_view->priv->button_pressed_tree, tree_view->priv->button_pressed_node, FALSE, TRUE); else gtk_tree_view_real_collapse_row (GTK_TREE_VIEW (widget), path, tree_view->priv->button_pressed_tree, tree_view->priv->button_pressed_node, TRUE); gtk_tree_path_free (path); } tree_view->priv->button_pressed_tree = NULL; tree_view->priv->button_pressed_node = NULL; } return TRUE; } #if 0 static gboolean gtk_tree_view_configure (GtkWidget *widget, GdkEventConfigure *event) { GtkTreeView *tree_view; tree_view = GTK_TREE_VIEW (widget); tree_view->priv->search_dialog_position_func (tree_view, tree_view->priv->search_window); return FALSE; } #endif /* GtkWidget::motion_event function set. */ static gboolean coords_are_over_arrow (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, /* these are in window coords */ gint x, gint y) { GdkRectangle arrow; gint x2; if (!GTK_WIDGET_REALIZED (tree_view)) return FALSE; if ((node->flags & GTK_RBNODE_IS_PARENT) == 0) return FALSE; arrow.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node); arrow.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)); gtk_tree_view_get_arrow_xrange (tree_view, tree, &arrow.x, &x2); arrow.width = x2 - arrow.x; return (x >= arrow.x && x < (arrow.x + arrow.width) && y >= arrow.y && y < (arrow.y + arrow.height)); } static void do_prelight (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, /* these are in tree_window coords */ gint x, gint y) { if (tree_view->priv->prelight_tree == tree && tree_view->priv->prelight_node == node) { /* We are still on the same node, but we might need to take care of the arrow */ if (tree && node) { gboolean over_arrow; gboolean flag_set; over_arrow = coords_are_over_arrow (tree_view, tree, node, x, y); flag_set = GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT); if (over_arrow != flag_set) { if (over_arrow) GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT); else GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT); gtk_tree_view_draw_arrow (tree_view, tree, node, x, y); } } return; } if (tree_view->priv->prelight_tree && tree_view->priv->prelight_node) { /* Unprelight the old node and arrow */ GTK_RBNODE_UNSET_FLAG (tree_view->priv->prelight_node, GTK_RBNODE_IS_PRELIT); if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT)) { GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT); gtk_tree_view_draw_arrow (tree_view, tree_view->priv->prelight_tree, tree_view->priv->prelight_node, x, y); } _gtk_tree_view_queue_draw_node (tree_view, tree_view->priv->prelight_tree, tree_view->priv->prelight_node, NULL); } /* Set the new prelight values */ tree_view->priv->prelight_node = node; tree_view->priv->prelight_tree = tree; if (!node || !tree) return; /* Prelight the new node and arrow */ if (coords_are_over_arrow (tree_view, tree, node, x, y)) { GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT); gtk_tree_view_draw_arrow (tree_view, tree, node, x, y); } GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PRELIT); _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL); } static void prelight_or_select (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, /* these are in tree_window coords */ gint x, gint y) { GtkSelectionMode mode = gtk_tree_selection_get_mode (tree_view->priv->selection); if (tree_view->priv->hover_selection && (mode == GTK_SELECTION_SINGLE || mode == GTK_SELECTION_BROWSE) && !(tree_view->priv->edited_column && tree_view->priv->edited_column->editable_widget)) { if (node) { if (!GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED)) { GtkTreePath *path; path = _gtk_tree_view_find_path (tree_view, tree, node); gtk_tree_selection_select_path (tree_view->priv->selection, path); if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED)) { GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS); gtk_tree_view_real_set_cursor (tree_view, path, FALSE, FALSE); } gtk_tree_path_free (path); } } else if (mode == GTK_SELECTION_SINGLE) gtk_tree_selection_unselect_all (tree_view->priv->selection); } else do_prelight (tree_view, tree, node, x, y); } static void ensure_unprelighted (GtkTreeView *tree_view) { do_prelight (tree_view, NULL, NULL, -1000, -1000); /* coords not possibly over an arrow */ g_assert (tree_view->priv->prelight_node == NULL); } /* Our motion arrow is either a box (in the case of the original spot) * or an arrow. It is expander_size wide. */ /* * 11111111111111 * 01111111111110 * 00111111111100 * 00011111111000 * 00001111110000 * 00000111100000 * 00000111100000 * 00000111100000 * ~ ~ ~ ~ ~ ~ ~ * 00000111100000 * 00000111100000 * 00000111100000 * 00001111110000 * 00011111111000 * 00111111111100 * 01111111111110 * 11111111111111 */ static void gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view) { GtkTreeViewColumnReorder *reorder = tree_view->priv->cur_reorder; GtkWidget *widget = GTK_WIDGET (tree_view); GdkBitmap *mask = NULL; gint x; gint y; gint width; gint height; gint arrow_type = DRAG_COLUMN_WINDOW_STATE_UNSET; GdkWindowAttr attributes; guint attributes_mask; if (!reorder || reorder->left_column == tree_view->priv->drag_column || reorder->right_column == tree_view->priv->drag_column) arrow_type = DRAG_COLUMN_WINDOW_STATE_ORIGINAL; else if (reorder->left_column || reorder->right_column) { GdkRectangle visible_rect; gtk_tree_view_get_visible_rect (tree_view, &visible_rect); if (reorder->left_column) x = reorder->left_column->button->allocation.x + reorder->left_column->button->allocation.width; else x = reorder->right_column->button->allocation.x; if (x < visible_rect.x) arrow_type = DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT; else if (x > visible_rect.x + visible_rect.width) arrow_type = DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT; else arrow_type = DRAG_COLUMN_WINDOW_STATE_ARROW; } /* We want to draw the rectangle over the initial location. */ if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ORIGINAL) { GdkGC *gc; GdkColor col; if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ORIGINAL) { if (tree_view->priv->drag_highlight_window) { gdk_window_set_user_data (tree_view->priv->drag_highlight_window, NULL); gdk_window_destroy (tree_view->priv->drag_highlight_window); } attributes.window_type = GDK_WINDOW_CHILD; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view)); attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view)); attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; tree_view->priv->drag_highlight_window = gdk_window_new (tree_view->priv->header_window, &attributes, attributes_mask); gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view)); width = tree_view->priv->drag_column->button->allocation.width; height = tree_view->priv->drag_column->button->allocation.height; gdk_window_move_resize (tree_view->priv->drag_highlight_window, tree_view->priv->drag_column_x, 0, width, height); mask = gdk_pixmap_new (tree_view->priv->drag_highlight_window, width, height, 1); gc = gdk_gc_new (mask); col.pixel = 1; gdk_gc_set_foreground (gc, &col); gdk_draw_rectangle (mask, gc, TRUE, 0, 0, width, height); col.pixel = 0; gdk_gc_set_foreground(gc, &col); gdk_draw_rectangle (mask, gc, TRUE, 2, 2, width - 4, height - 4); g_object_unref (gc); gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window, mask, 0, 0); if (mask) g_object_unref (mask); tree_view->priv->drag_column_window_state = DRAG_COLUMN_WINDOW_STATE_ORIGINAL; } } else if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW) { gint i, j = 1; GdkGC *gc; GdkColor col; width = tree_view->priv->expander_size; /* Get x, y, width, height of arrow */ gdk_window_get_origin (tree_view->priv->header_window, &x, &y); if (reorder->left_column) { x += reorder->left_column->button->allocation.x + reorder->left_column->button->allocation.width - width/2; height = reorder->left_column->button->allocation.height; } else { x += reorder->right_column->button->allocation.x - width/2; height = reorder->right_column->button->allocation.height; } y -= tree_view->priv->expander_size/2; /* The arrow takes up only half the space */ height += tree_view->priv->expander_size; /* Create the new window */ if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW) { if (tree_view->priv->drag_highlight_window) { gdk_window_set_user_data (tree_view->priv->drag_highlight_window, NULL); gdk_window_destroy (tree_view->priv->drag_highlight_window); } attributes.window_type = GDK_WINDOW_TEMP; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view)); attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view)); attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; attributes.width = width; attributes.height = height; tree_view->priv->drag_highlight_window = gdk_window_new (gtk_widget_get_root_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view)); mask = gdk_pixmap_new (tree_view->priv->drag_highlight_window, width, height, 1); gc = gdk_gc_new (mask); col.pixel = 1; gdk_gc_set_foreground (gc, &col); gdk_draw_rectangle (mask, gc, TRUE, 0, 0, width, height); /* Draw the 2 arrows as per above */ col.pixel = 0; gdk_gc_set_foreground (gc, &col); for (i = 0; i < width; i ++) { if (i == (width/2 - 1)) continue; gdk_draw_line (mask, gc, i, j, i, height - j); if (i < (width/2 - 1)) j++; else j--; } g_object_unref (gc); gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window, mask, 0, 0); if (mask) g_object_unref (mask); } tree_view->priv->drag_column_window_state = DRAG_COLUMN_WINDOW_STATE_ARROW; gdk_window_move (tree_view->priv->drag_highlight_window, x, y); } else if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT || arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT) { gint i, j = 1; GdkGC *gc; GdkColor col; width = tree_view->priv->expander_size; /* Get x, y, width, height of arrow */ width = width/2; /* remember, the arrow only takes half the available width */ gdk_window_get_origin (widget->window, &x, &y); if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT) x += widget->allocation.width - width; if (reorder->left_column) height = reorder->left_column->button->allocation.height; else height = reorder->right_column->button->allocation.height; y -= tree_view->priv->expander_size; height += 2*tree_view->priv->expander_size; /* Create the new window */ if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT && tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT) { if (tree_view->priv->drag_highlight_window) { gdk_window_set_user_data (tree_view->priv->drag_highlight_window, NULL); gdk_window_destroy (tree_view->priv->drag_highlight_window); } attributes.window_type = GDK_WINDOW_TEMP; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view)); attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view)); attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; attributes.width = width; attributes.height = height; tree_view->priv->drag_highlight_window = gdk_window_new (NULL, &attributes, attributes_mask); gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view)); mask = gdk_pixmap_new (tree_view->priv->drag_highlight_window, width, height, 1); gc = gdk_gc_new (mask); col.pixel = 1; gdk_gc_set_foreground (gc, &col); gdk_draw_rectangle (mask, gc, TRUE, 0, 0, width, height); /* Draw the 2 arrows as per above */ col.pixel = 0; gdk_gc_set_foreground (gc, &col); j = tree_view->priv->expander_size; for (i = 0; i < width; i ++) { gint k; if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT) k = width - i - 1; else k = i; gdk_draw_line (mask, gc, k, j, k, height - j); gdk_draw_line (mask, gc, k, 0, k, tree_view->priv->expander_size - j); gdk_draw_line (mask, gc, k, height, k, height - tree_view->priv->expander_size + j); j--; } g_object_unref (gc); gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window, mask, 0, 0); if (mask) g_object_unref (mask); } tree_view->priv->drag_column_window_state = arrow_type; gdk_window_move (tree_view->priv->drag_highlight_window, x, y); } else { g_warning (G_STRLOC"Invalid GtkTreeViewColumnReorder struct"); gdk_window_hide (tree_view->priv->drag_highlight_window); return; } gdk_window_show (tree_view->priv->drag_highlight_window); gdk_window_raise (tree_view->priv->drag_highlight_window); } static gboolean gtk_tree_view_motion_resize_column (GtkWidget *widget, GdkEventMotion *event) { gint x; gint new_width; GtkTreeViewColumn *column; GtkTreeView *tree_view = GTK_TREE_VIEW (widget); column = gtk_tree_view_get_column (tree_view, tree_view->priv->drag_pos); if (event->is_hint || event->window != widget->window) gtk_widget_get_pointer (widget, &x, NULL); else x = event->x; if (tree_view->priv->hadjustment) x += tree_view->priv->hadjustment->value; new_width = gtk_tree_view_new_column_width (tree_view, tree_view->priv->drag_pos, &x); if (x != tree_view->priv->x_drag && (new_width != column->fixed_width)); { column->resized_width = new_width; gtk_widget_queue_resize (widget); } return FALSE; } static void gtk_tree_view_update_current_reorder (GtkTreeView *tree_view) { GtkTreeViewColumnReorder *reorder = NULL; GList *list; gint mouse_x; gdk_window_get_pointer (tree_view->priv->header_window, &mouse_x, NULL, NULL); for (list = tree_view->priv->column_drag_info; list; list = list->next) { reorder = (GtkTreeViewColumnReorder *) list->data; if (mouse_x >= reorder->left_align && mouse_x < reorder->right_align) break; reorder = NULL; } /* if (reorder && reorder == tree_view->priv->cur_reorder) return;*/ tree_view->priv->cur_reorder = reorder; gtk_tree_view_motion_draw_column_motion_arrow (tree_view); } static void gtk_tree_view_vertical_autoscroll (GtkTreeView *tree_view) { GdkRectangle visible_rect; gint y; gint offset; gfloat value; gdk_window_get_pointer (tree_view->priv->bin_window, NULL, &y, NULL); y += tree_view->priv->dy; gtk_tree_view_get_visible_rect (tree_view, &visible_rect); /* see if we are near the edge. */ offset = y - (visible_rect.y + 2 * SCROLL_EDGE_SIZE); if (offset > 0) { offset = y - (visible_rect.y + visible_rect.height - 2 * SCROLL_EDGE_SIZE); if (offset < 0) return; } value = CLAMP (tree_view->priv->vadjustment->value + offset, 0.0, tree_view->priv->vadjustment->upper - tree_view->priv->vadjustment->page_size); gtk_adjustment_set_value (tree_view->priv->vadjustment, value); } static gboolean gtk_tree_view_horizontal_autoscroll (GtkTreeView *tree_view) { GdkRectangle visible_rect; gint x; gint offset; gfloat value; gdk_window_get_pointer (tree_view->priv->bin_window, &x, NULL, NULL); gtk_tree_view_get_visible_rect (tree_view, &visible_rect); /* See if we are near the edge. */ offset = x - (visible_rect.x + SCROLL_EDGE_SIZE); if (offset > 0) { offset = x - (visible_rect.x + visible_rect.width - SCROLL_EDGE_SIZE); if (offset < 0) return TRUE; } offset = offset/3; value = CLAMP (tree_view->priv->hadjustment->value + offset, 0.0, tree_view->priv->hadjustment->upper - tree_view->priv->hadjustment->page_size); gtk_adjustment_set_value (tree_view->priv->hadjustment, value); return TRUE; } static gboolean gtk_tree_view_motion_drag_column (GtkWidget *widget, GdkEventMotion *event) { GtkTreeView *tree_view = (GtkTreeView *) widget; GtkTreeViewColumn *column = tree_view->priv->drag_column; gint x, y; /* Sanity Check */ if ((column == NULL) || (event->window != tree_view->priv->drag_window)) return FALSE; /* Handle moving the header */ gdk_window_get_position (tree_view->priv->drag_window, &x, &y); x = CLAMP (x + (gint)event->x - column->drag_x, 0, MAX (tree_view->priv->width, GTK_WIDGET (tree_view)->allocation.width) - column->button->allocation.width); gdk_window_move (tree_view->priv->drag_window, x, y); /* autoscroll, if needed */ gtk_tree_view_horizontal_autoscroll (tree_view); /* Update the current reorder position and arrow; */ gtk_tree_view_update_current_reorder (tree_view); return TRUE; } static gboolean gtk_tree_view_motion_bin_window (GtkWidget *widget, GdkEventMotion *event) { GtkTreeView *tree_view; GtkRBTree *tree; GtkRBNode *node; gint new_y; tree_view = (GtkTreeView *) widget; if (tree_view->priv->tree == NULL) return FALSE; /* only check for an initiated drag when a button is pressed */ if (tree_view->priv->pressed_button >= 0) gtk_tree_view_maybe_begin_dragging_row (tree_view, event); new_y = TREE_WINDOW_Y_TO_RBTREE_Y(tree_view, event->y); if (new_y < 0) new_y = 0; _gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node); /* If we are currently pressing down a button, we don't want to prelight anything else. */ if ((tree_view->priv->button_pressed_node != NULL) && (tree_view->priv->button_pressed_node != node)) node = NULL; prelight_or_select (tree_view, tree, node, event->x, event->y); return TRUE; } static gboolean gtk_tree_view_motion (GtkWidget *widget, GdkEventMotion *event) { GtkTreeView *tree_view; tree_view = (GtkTreeView *) widget; /* Resizing a column */ if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE)) return gtk_tree_view_motion_resize_column (widget, event); /* Drag column */ if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG)) return gtk_tree_view_motion_drag_column (widget, event); /* Sanity check it */ if (event->window == tree_view->priv->bin_window) return gtk_tree_view_motion_bin_window (widget, event); return FALSE; } /* Draws a focus rectangle near the edge of the bin_window; used when the tree * is empty. */ static void draw_empty_focus (GtkTreeView *tree_view, GdkRectangle *clip_area) { gint w, h; if (!GTK_WIDGET_HAS_FOCUS (tree_view)) return; gdk_drawable_get_size (tree_view->priv->bin_window, &w, &h); w -= 2; h -= 2; if (w > 0 && h > 0) gtk_paint_focus (GTK_WIDGET (tree_view)->style, tree_view->priv->bin_window, GTK_WIDGET_STATE (tree_view), clip_area, GTK_WIDGET (tree_view), NULL, 1, 1, w, h); } /* Warning: Very scary function. * Modify at your own risk * * KEEP IN SYNC WITH gtk_tree_view_create_row_drag_icon()! * FIXME: It's not... */ static gboolean gtk_tree_view_bin_expose (GtkWidget *widget, GdkEventExpose *event) { GtkTreeView *tree_view; GtkTreePath *path; GtkRBTree *tree; GList *list; GtkRBNode *node; GtkRBNode *cursor = NULL; GtkRBTree *cursor_tree = NULL; GtkRBNode *drag_highlight = NULL; GtkRBTree *drag_highlight_tree = NULL; GtkTreeIter iter; gint new_y; gint y_offset, x_offset, cell_offset; gint max_height; gint depth; GdkRectangle background_area; GdkRectangle cell_area; guint flags; gint highlight_x; gint bin_window_width; GtkTreePath *cursor_path; GtkTreePath *drag_dest_path; GList *last_column; gint vertical_separator; gint horizontal_separator; gint focus_line_width; gboolean allow_rules; gboolean has_special_cell; gboolean rtl; gint n_visible_columns; g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE); rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); tree_view = GTK_TREE_VIEW (widget); gtk_widget_style_get (widget, "horizontal_separator", &horizontal_separator, "vertical_separator", &vertical_separator, "allow_rules", &allow_rules, "focus-line-width", &focus_line_width, NULL); if (tree_view->priv->tree == NULL) { draw_empty_focus (tree_view, &event->area); return TRUE; } /* clip event->area to the visible area */ if (event->area.height < 0) return TRUE; validate_visible_area (tree_view); new_y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, event->area.y); if (new_y < 0) new_y = 0; y_offset = -_gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node); if (node == NULL) return TRUE; /* find the path for the node */ path = _gtk_tree_view_find_path ((GtkTreeView *)widget, tree, node); gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); depth = gtk_tree_path_get_depth (path); gtk_tree_path_free (path); cursor_path = NULL; drag_dest_path = NULL; if (tree_view->priv->cursor) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); if (cursor_path) _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor); if (tree_view->priv->drag_dest_row) drag_dest_path = gtk_tree_row_reference_get_path (tree_view->priv->drag_dest_row); if (drag_dest_path) _gtk_tree_view_find_node (tree_view, drag_dest_path, &drag_highlight_tree, &drag_highlight); gdk_drawable_get_size (tree_view->priv->bin_window, &bin_window_width, NULL); n_visible_columns = 0; for (list = tree_view->priv->columns; list; list = list->next) { if (! GTK_TREE_VIEW_COLUMN (list->data)->visible) continue; n_visible_columns ++; } /* Find the last column */ for (last_column = rtl ? g_list_first (tree_view->priv->columns) : g_list_last (tree_view->priv->columns); last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible) && GTK_WIDGET_CAN_FOCUS (GTK_TREE_VIEW_COLUMN (last_column->data)->button); last_column = rtl ? last_column->next : last_column->prev) ; /* Actually process the expose event. To do this, we want to * start at the first node of the event, and walk the tree in * order, drawing each successive node. */ do { gboolean parity; gboolean is_separator = FALSE; if (tree_view->priv->row_separator_func) { is_separator = (* tree_view->priv->row_separator_func) (tree_view->priv->model, &iter, tree_view->priv->row_separator_data); } max_height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)); x_offset = -event->area.x; cell_offset = 0; highlight_x = 0; /* should match x coord of first cell */ background_area.y = y_offset + event->area.y; background_area.height = max_height; flags = 0; if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PRELIT)) flags |= GTK_CELL_RENDERER_PRELIT; if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED)) flags |= GTK_CELL_RENDERER_SELECTED; parity = _gtk_rbtree_node_find_parity (tree, node); has_special_cell = gtk_tree_view_has_special_cell (tree_view); for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns)); list; list = (rtl ? list->prev : list->next)) { GtkTreeViewColumn *column = list->data; const gchar *detail = NULL; GtkStateType state; if (!column->visible) continue; if (cell_offset > event->area.x + event->area.width || cell_offset + column->width < event->area.x) { cell_offset += column->width; continue; } if (column->show_sort_indicator) flags |= GTK_CELL_RENDERER_SORTED; else flags &= ~GTK_CELL_RENDERER_SORTED; if (cursor == node) flags |= GTK_CELL_RENDERER_FOCUSED; else flags &= ~GTK_CELL_RENDERER_FOCUSED; background_area.x = cell_offset; background_area.width = column->width; cell_area = background_area; cell_area.y += vertical_separator / 2; cell_area.x += horizontal_separator / 2; cell_area.height -= vertical_separator; cell_area.width -= horizontal_separator; if (gdk_region_rect_in (event->region, &background_area) == GDK_OVERLAP_RECTANGLE_OUT) { cell_offset += column->width; continue; } gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, &iter, GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT), node->children?TRUE:FALSE); /* Select the detail for drawing the cell. relevant * factors are parity, sortedness, and whether to * display rules. */ if (allow_rules && tree_view->priv->has_rules) { if ((flags & GTK_CELL_RENDERER_SORTED) && n_visible_columns >= 3) { if (parity) detail = "cell_odd_ruled_sorted"; else detail = "cell_even_ruled_sorted"; } else { if (parity) detail = "cell_odd_ruled"; else detail = "cell_even_ruled"; } } else { if ((flags & GTK_CELL_RENDERER_SORTED) && n_visible_columns >= 3) { if (parity) detail = "cell_odd_sorted"; else detail = "cell_even_sorted"; } else { if (parity) detail = "cell_odd"; else detail = "cell_even"; } } g_assert (detail); if (flags & GTK_CELL_RENDERER_SELECTED) state = GTK_STATE_SELECTED; else state = GTK_STATE_NORMAL; /* Draw background */ gtk_paint_flat_box (widget->style, event->window, state, GTK_SHADOW_NONE, &event->area, widget, detail, background_area.x, background_area.y, background_area.width, background_area.height); if (gtk_tree_view_is_expander_column (tree_view, column) && TREE_VIEW_DRAW_EXPANDERS(tree_view)) { if (!rtl) cell_area.x += depth * tree_view->priv->expander_size; cell_area.width -= depth * tree_view->priv->expander_size; /* If we have an expander column, the highlight underline * starts with that column, so that it indicates which * level of the tree we're dropping at. */ highlight_x = cell_area.x; if (is_separator) gtk_paint_hline (widget->style, event->window, state, &cell_area, widget, NULL, cell_area.x, cell_area.x + cell_area.width, cell_area.y + cell_area.height / 2); else _gtk_tree_view_column_cell_render (column, event->window, &background_area, &cell_area, &event->area, flags); if ((node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT) { gint x, y; gdk_window_get_pointer (tree_view->priv->bin_window, &x, &y, 0); gtk_tree_view_draw_arrow (GTK_TREE_VIEW (widget), tree, node, x, y); } } else { if (is_separator) gtk_paint_hline (widget->style, event->window, state, &cell_area, widget, NULL, cell_area.x, cell_area.x + cell_area.width, cell_area.y + cell_area.height / 2); else _gtk_tree_view_column_cell_render (column, event->window, &background_area, &cell_area, &event->area, flags); } if (node == cursor && has_special_cell && ((column == tree_view->priv->focus_column && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS) && GTK_WIDGET_HAS_FOCUS (widget)) || (column == tree_view->priv->edited_column))) { _gtk_tree_view_column_cell_draw_focus (column, event->window, &background_area, &cell_area, &event->area, flags); } cell_offset += column->width; } if (node == drag_highlight) { /* Draw indicator for the drop */ gint highlight_y = -1; GtkRBTree *tree = NULL; GtkRBNode *node = NULL; gint width; gint focus_line_width; switch (tree_view->priv->drag_dest_pos) { case GTK_TREE_VIEW_DROP_BEFORE: highlight_y = background_area.y - 1; if (highlight_y < 0) highlight_y = 0; break; case GTK_TREE_VIEW_DROP_AFTER: highlight_y = background_area.y + background_area.height - 1; break; case GTK_TREE_VIEW_DROP_INTO_OR_BEFORE: case GTK_TREE_VIEW_DROP_INTO_OR_AFTER: _gtk_tree_view_find_node (tree_view, drag_dest_path, &tree, &node); if (tree == NULL) break; gdk_drawable_get_size (tree_view->priv->bin_window, &width, NULL); gtk_widget_style_get (widget, "focus-line-width", &focus_line_width, NULL); gtk_paint_focus (widget->style, tree_view->priv->bin_window, GTK_WIDGET_STATE (widget), NULL, widget, "treeview-drop-indicator", 0, BACKGROUND_FIRST_PIXEL (tree_view, tree, node) - focus_line_width / 2, width, ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)) - focus_line_width + 1); break; } if (highlight_y >= 0) { gdk_draw_line (event->window, widget->style->black_gc, highlight_x, highlight_y, bin_window_width - highlight_x, highlight_y); } } /* draw the big row-spanning focus rectangle, if needed */ if (!has_special_cell && node == cursor && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS) && GTK_WIDGET_HAS_FOCUS (widget)) { gint width; GtkStateType focus_rect_state; focus_rect_state = flags & GTK_CELL_RENDERER_SELECTED ? GTK_STATE_SELECTED : (flags & GTK_CELL_RENDERER_PRELIT ? GTK_STATE_PRELIGHT : (flags & GTK_CELL_RENDERER_INSENSITIVE ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL)); gdk_drawable_get_size (tree_view->priv->bin_window, &width, NULL); gtk_paint_focus (widget->style, tree_view->priv->bin_window, focus_rect_state, NULL, widget, "treeview", 0, BACKGROUND_FIRST_PIXEL (tree_view, tree, node), width, ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node))); } y_offset += max_height; if (node->children) { GtkTreeIter parent = iter; gboolean has_child; tree = node->children; node = tree->root; g_assert (node != tree->nil); while (node->left != tree->nil) node = node->left; has_child = gtk_tree_model_iter_children (tree_view->priv->model, &iter, &parent); depth++; /* Sanity Check! */ TREE_VIEW_INTERNAL_ASSERT (has_child, FALSE); } else { gboolean done = FALSE; do { node = _gtk_rbtree_next (tree, node); if (node != NULL) { gboolean has_next = gtk_tree_model_iter_next (tree_view->priv->model, &iter); done = TRUE; /* Sanity Check! */ TREE_VIEW_INTERNAL_ASSERT (has_next, FALSE); } else { GtkTreeIter parent_iter = iter; gboolean has_parent; node = tree->parent_node; tree = tree->parent_tree; if (tree == NULL) /* we should go to done to free some memory */ goto done; has_parent = gtk_tree_model_iter_parent (tree_view->priv->model, &iter, &parent_iter); depth--; /* Sanity check */ TREE_VIEW_INTERNAL_ASSERT (has_parent, FALSE); } } while (!done); } } while (y_offset < event->area.height); done: if (cursor_path) gtk_tree_path_free (cursor_path); if (drag_dest_path) gtk_tree_path_free (drag_dest_path); return FALSE; } static gboolean gtk_tree_view_expose (GtkWidget *widget, GdkEventExpose *event) { GtkTreeView *tree_view; g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE); tree_view = GTK_TREE_VIEW (widget); if (event->window == tree_view->priv->bin_window) { gboolean retval; GList *tmp_list; retval = gtk_tree_view_bin_expose (widget, event); /* We can't just chain up to Container::expose as it will try to send the * event to the headers, so we handle propagating it to our children * (eg. widgets being edited) ourselves. */ tmp_list = tree_view->priv->children; while (tmp_list) { GtkTreeViewChild *child = tmp_list->data; tmp_list = tmp_list->next; gtk_container_propagate_expose (GTK_CONTAINER (tree_view), child->widget, event); } return retval; } else if (event->window == tree_view->priv->header_window) { GList *list; for (list = tree_view->priv->columns; list != NULL; list = list->next) { GtkTreeViewColumn *column = list->data; if (column == tree_view->priv->drag_column) continue; if (column->visible) gtk_container_propagate_expose (GTK_CONTAINER (tree_view), column->button, event); } } else if (event->window == tree_view->priv->drag_window) { gtk_container_propagate_expose (GTK_CONTAINER (tree_view), tree_view->priv->drag_column->button, event); } return TRUE; } enum { DROP_HOME, DROP_RIGHT, DROP_LEFT, DROP_END }; /* returns 0x1 when no column has been found -- yes it's hackish */ static GtkTreeViewColumn * gtk_tree_view_get_drop_column (GtkTreeView *tree_view, GtkTreeViewColumn *column, gint drop_position) { GtkTreeViewColumn *left_column = NULL; GtkTreeViewColumn *cur_column = NULL; GList *tmp_list; if (!column->reorderable) return (GtkTreeViewColumn *)0x1; switch (drop_position) { case DROP_HOME: /* find first column where we can drop */ tmp_list = tree_view->priv->columns; if (column == GTK_TREE_VIEW_COLUMN (tmp_list->data)) return (GtkTreeViewColumn *)0x1; while (tmp_list) { g_assert (tmp_list); cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); tmp_list = tmp_list->next; if (left_column && left_column->visible == FALSE) continue; if (!tree_view->priv->column_drop_func) return left_column; if (!(*tree_view->priv->column_drop_func) (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data)) { left_column = cur_column; continue; } return cur_column; } if (!tree_view->priv->column_drop_func) return left_column; if ((*tree_view->priv->column_drop_func) (tree_view, column, left_column, NULL, tree_view->priv->column_drop_func_data)) return left_column; else return (GtkTreeViewColumn *)0x1; break; case DROP_RIGHT: /* find first column after column where we can drop */ tmp_list = tree_view->priv->columns; for (; tmp_list; tmp_list = tmp_list->next) if (GTK_TREE_VIEW_COLUMN (tmp_list->data) == column) break; if (!tmp_list || !tmp_list->next) return (GtkTreeViewColumn *)0x1; tmp_list = tmp_list->next; left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); tmp_list = tmp_list->next; while (tmp_list) { g_assert (tmp_list); cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); tmp_list = tmp_list->next; if (left_column && left_column->visible == FALSE) { left_column = cur_column; if (tmp_list) tmp_list = tmp_list->next; continue; } if (!tree_view->priv->column_drop_func) return left_column; if (!(*tree_view->priv->column_drop_func) (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data)) { left_column = cur_column; continue; } return cur_column; } if (!tree_view->priv->column_drop_func) return left_column; if ((*tree_view->priv->column_drop_func) (tree_view, column, left_column, NULL, tree_view->priv->column_drop_func_data)) return left_column; else return (GtkTreeViewColumn *)0x1; break; case DROP_LEFT: /* find first column before column where we can drop */ tmp_list = tree_view->priv->columns; for (; tmp_list; tmp_list = tmp_list->next) if (GTK_TREE_VIEW_COLUMN (tmp_list->data) == column) break; if (!tmp_list || !tmp_list->prev) return (GtkTreeViewColumn *)0x1; tmp_list = tmp_list->prev; cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); tmp_list = tmp_list->prev; while (tmp_list) { g_assert (tmp_list); left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); if (left_column && !left_column->visible) { /*if (!tmp_list->prev) return (GtkTreeViewColumn *)0x1; */ /* cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->prev->data); tmp_list = tmp_list->prev->prev; continue;*/ cur_column = left_column; if (tmp_list) tmp_list = tmp_list->prev; continue; } if (!tree_view->priv->column_drop_func) return left_column; if ((*tree_view->priv->column_drop_func) (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data)) return left_column; cur_column = left_column; tmp_list = tmp_list->prev; } if (!tree_view->priv->column_drop_func) return NULL; if ((*tree_view->priv->column_drop_func) (tree_view, column, NULL, cur_column, tree_view->priv->column_drop_func_data)) return NULL; else return (GtkTreeViewColumn *)0x1; break; case DROP_END: /* same as DROP_HOME case, but doing it backwards */ tmp_list = g_list_last (tree_view->priv->columns); cur_column = NULL; if (column == GTK_TREE_VIEW_COLUMN (tmp_list->data)) return (GtkTreeViewColumn *)0x1; while (tmp_list) { g_assert (tmp_list); left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); if (left_column && !left_column->visible) { cur_column = left_column; tmp_list = tmp_list->prev; } if (!tree_view->priv->column_drop_func) return left_column; if ((*tree_view->priv->column_drop_func) (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data)) return left_column; cur_column = left_column; tmp_list = tmp_list->prev; } if (!tree_view->priv->column_drop_func) return NULL; if ((*tree_view->priv->column_drop_func) (tree_view, column, NULL, cur_column, tree_view->priv->column_drop_func_data)) return NULL; else return (GtkTreeViewColumn *)0x1; break; } return (GtkTreeViewColumn *)0x1; } static gboolean gtk_tree_view_key_press (GtkWidget *widget, GdkEventKey *event) { GtkTreeView *tree_view = (GtkTreeView *) widget; GList *list; gboolean rtl; rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG)) { if (event->keyval == GDK_Escape) { tree_view->priv->cur_reorder = NULL; gtk_tree_view_button_release_drag_column (widget, NULL); } return TRUE; } if (tree_view->priv->columns && (event->state & GDK_SHIFT_MASK) && (event->keyval == GDK_Left || event->keyval == GDK_KP_Left || event->keyval == GDK_Right || event->keyval == GDK_KP_Right)) { list = tree_view->priv->columns; while (list) { GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (list->data); if (GTK_WIDGET_HAS_FOCUS (column->button)) { if (!column->resizable) return TRUE; if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left) { column->resized_width = MAX (column->resized_width, column->width); column->resized_width -= 2; if (column->resized_width < 0) column->resized_width = 0; if (column->min_width == -1) column->resized_width = MAX (column->button->requisition.width, column->resized_width); else column->resized_width = MAX (column->min_width, column->resized_width); if (column->max_width != -1) column->resized_width = MIN (column->resized_width, column->max_width); column->use_resized_width = TRUE; gtk_widget_queue_resize (widget); return TRUE; } else if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right) { column->resized_width = MAX (column->resized_width, column->width); column->resized_width += 2; if (column->max_width != -1) column->resized_width = MIN (column->resized_width, column->max_width); column->use_resized_width = TRUE; gtk_widget_queue_resize (widget); return TRUE; } } list = list->next; } } if (tree_view->priv->columns && (event->state & GDK_CONTROL_MASK) && (event->keyval == GDK_Left || event->keyval == GDK_KP_Left || event->keyval == GDK_Right || event->keyval == GDK_KP_Right || event->keyval == GDK_Home || event->keyval == GDK_KP_Home || event->keyval == GDK_End || event->keyval == GDK_KP_End)) { list = tree_view->priv->columns; while (list) { GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (list->data); if (GTK_WIDGET_HAS_FOCUS (column->button)) { if (event->keyval == (rtl ? GDK_Right : GDK_Left) || event->keyval == (rtl ? GDK_KP_Right : GDK_KP_Left)) { GtkTreeViewColumn *col; col = gtk_tree_view_get_drop_column (tree_view, column, DROP_LEFT); if (col != (GtkTreeViewColumn *)0x1) gtk_tree_view_move_column_after (tree_view, column, col); return TRUE; } else if (event->keyval == (rtl ? GDK_Left : GDK_Right) || event->keyval == (rtl ? GDK_KP_Left : GDK_KP_Right)) { GtkTreeViewColumn *col; col = gtk_tree_view_get_drop_column (tree_view, column, DROP_RIGHT); if (col != (GtkTreeViewColumn *)0x1) gtk_tree_view_move_column_after (tree_view, column, col); return TRUE; } else if (event->keyval == GDK_Home || event->keyval == GDK_KP_Home) { GtkTreeViewColumn *col; col = gtk_tree_view_get_drop_column (tree_view, column, DROP_HOME); if (col != (GtkTreeViewColumn *)0x1) gtk_tree_view_move_column_after (tree_view, column, col); return TRUE; } else if (event->keyval == GDK_End || event->keyval == GDK_KP_End) { GtkTreeViewColumn *col; col = gtk_tree_view_get_drop_column (tree_view, column, DROP_END); if (col != (GtkTreeViewColumn *)0x1) gtk_tree_view_move_column_after (tree_view, column, col); return TRUE; } } list = list->next; } } if (tree_view->priv->columns && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE) && (event->keyval == GDK_Left || event->keyval == GDK_KP_Left || event->keyval == GDK_Right || event->keyval == GDK_KP_Right)) { gint width = 0; list = tree_view->priv->columns; while (list) { GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (list->data); if (GTK_WIDGET_HAS_FOCUS (column->button)) { if ((event->keyval == (rtl ? GDK_Right : GDK_Left) || event->keyval == (rtl ? GDK_KP_Right : GDK_KP_Left)) && list->prev) { GList *tmp; for (tmp = list->prev; tmp; tmp = tmp->prev) if (GTK_TREE_VIEW_COLUMN (tmp->data)->visible) break; if (!tmp) return FALSE; tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (tmp->data); gtk_widget_grab_focus (tree_view->priv->focus_column->button); width -= tree_view->priv->focus_column->width; gtk_adjustment_set_value (tree_view->priv->hadjustment, CLAMP (width, tree_view->priv->hadjustment->lower, tree_view->priv->hadjustment->upper - tree_view->priv->hadjustment->page_size)); return TRUE; } else if ((event->keyval == (rtl ? GDK_Left : GDK_Right) || event->keyval == (rtl ? GDK_KP_Left : GDK_KP_Right)) && list->next) { GList *tmp; for (tmp = list->next; tmp; tmp = tmp->next) if (GTK_TREE_VIEW_COLUMN (tmp->data)->visible) break; if (!tmp) return FALSE; tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (tmp->data); gtk_widget_grab_focus (tree_view->priv->focus_column->button); width += tree_view->priv->focus_column->width; gtk_adjustment_set_value (tree_view->priv->hadjustment, CLAMP (width, tree_view->priv->hadjustment->lower, tree_view->priv->hadjustment->upper - tree_view->priv->hadjustment->page_size)); return TRUE; } } width += GTK_TREE_VIEW_COLUMN (list->data)->width; list = list->next; } } /* Chain up to the parent class. It handles the keybindings. */ if ((* GTK_WIDGET_CLASS (parent_class)->key_press_event) (widget, event)) return TRUE; /* We pass the event to the search_entry. If its text changes, then we start * the typeahead find capabilities. */ if (tree_view->priv->enable_search) { GdkEvent *new_event; char *old_text; const char *new_text; gboolean retval; GdkScreen *screen; gtk_tree_view_ensure_interactive_directory (tree_view); /* Make a copy of the current text */ old_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (tree_view->priv->search_entry))); new_event = gdk_event_copy ((GdkEvent *) event); ((GdkEventKey *) new_event)->window = tree_view->priv->search_entry->window; gtk_widget_realize (tree_view->priv->search_window); /* Move the entry off screen */ screen = gtk_widget_get_screen (GTK_WIDGET (tree_view)); gtk_window_move (GTK_WINDOW (tree_view->priv->search_window), gdk_screen_get_width (screen) + 1, gdk_screen_get_height (screen) + 1); gtk_widget_show (tree_view->priv->search_window); /* Send the event to the window. If the preedit_changed signal is emitted * during this event, we will set priv->imcontext_changed */ tree_view->priv->imcontext_changed = FALSE; retval = gtk_widget_event (tree_view->priv->search_entry, new_event); gtk_widget_hide (tree_view->priv->search_window); /* We check to make sure that the entry tried to handle the text, and that * the text has changed. */ new_text = gtk_entry_get_text (GTK_ENTRY (tree_view->priv->search_entry)); if (tree_view->priv->imcontext_changed || /* we're in a preedit */ (retval && strcmp (old_text, new_text))) /* ...or the text was modified */ { g_free (old_text); if (gtk_tree_view_real_start_interactive_search (tree_view, FALSE)) { gtk_widget_grab_focus (GTK_WIDGET (tree_view)); return TRUE; } else { gtk_entry_set_text (GTK_ENTRY (tree_view->priv->search_entry), ""); return FALSE; } } } return FALSE; } static gboolean gtk_tree_view_key_release (GtkWidget *widget, GdkEventKey *event) { return (* GTK_WIDGET_CLASS (parent_class)->key_release_event) (widget, event); } /* FIXME Is this function necessary? Can I get an enter_notify event * w/o either an expose event or a mouse motion event? */ static gboolean gtk_tree_view_enter_notify (GtkWidget *widget, GdkEventCrossing *event) { GtkTreeView *tree_view; GtkRBTree *tree; GtkRBNode *node; gint new_y; g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE); tree_view = GTK_TREE_VIEW (widget); /* Sanity check it */ if (event->window != tree_view->priv->bin_window) return FALSE; if (tree_view->priv->tree == NULL) return FALSE; /* find the node internally */ new_y = TREE_WINDOW_Y_TO_RBTREE_Y(tree_view, event->y); if (new_y < 0) new_y = 0; _gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node); if ((tree_view->priv->button_pressed_node == NULL) || (tree_view->priv->button_pressed_node == node)) prelight_or_select (tree_view, tree, node, event->x, event->y); return TRUE; } static gboolean gtk_tree_view_leave_notify (GtkWidget *widget, GdkEventCrossing *event) { GtkTreeView *tree_view; g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE); if (event->mode == GDK_CROSSING_GRAB) return TRUE; tree_view = GTK_TREE_VIEW (widget); if (tree_view->priv->prelight_node) _gtk_tree_view_queue_draw_node (tree_view, tree_view->priv->prelight_tree, tree_view->priv->prelight_node, NULL); prelight_or_select (tree_view, NULL, NULL, -1000, -1000); /* coords not possibly over an arrow */ return TRUE; } static gint gtk_tree_view_focus_out (GtkWidget *widget, GdkEventFocus *event) { GtkTreeView *tree_view; tree_view = GTK_TREE_VIEW (widget); gtk_widget_queue_draw (widget); /* destroy interactive search dialog */ if (tree_view->priv->search_window) gtk_tree_view_search_dialog_hide (tree_view->priv->search_window, tree_view); return FALSE; } /* Incremental Reflow */ static void gtk_tree_view_node_queue_redraw (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node) { gint y; y = _gtk_rbtree_node_find_offset (tree, node); gtk_widget_queue_draw_area (GTK_WIDGET (tree_view), 0, y, GTK_WIDGET (tree_view)->requisition.width, GTK_RBNODE_GET_HEIGHT (node)); } /* Returns TRUE if it updated the size */ static gboolean validate_row (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, GtkTreeIter *iter, GtkTreePath *path) { GtkTreeViewColumn *column; GList *list; gint height = 0; gint horizontal_separator; gint depth = gtk_tree_path_get_depth (path); gboolean retval = FALSE; gboolean is_separator = FALSE; gint focus_pad; /* double check the row needs validating */ if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) && ! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID)) return FALSE; if (tree_view->priv->row_separator_func) { is_separator = (* tree_view->priv->row_separator_func) (tree_view->priv->model, iter, tree_view->priv->row_separator_data); } gtk_widget_style_get (GTK_WIDGET (tree_view), "focus-padding", &focus_pad, "horizontal_separator", &horizontal_separator, NULL); for (list = tree_view->priv->columns; list; list = list->next) { gint tmp_width; gint tmp_height; column = list->data; if (! column->visible) continue; if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID) && !column->dirty) continue; gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, iter, GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT), node->children?TRUE:FALSE); gtk_tree_view_column_cell_get_size (column, NULL, NULL, NULL, &tmp_width, &tmp_height); if (!is_separator) { height = MAX (height, tmp_height); height = MAX (height, tree_view->priv->expander_size); } else height = 2 + 2 * focus_pad; if (gtk_tree_view_is_expander_column (tree_view, column) && TREE_VIEW_DRAW_EXPANDERS (tree_view)) { tmp_width = tmp_width + horizontal_separator + depth * (tree_view->priv->expander_size); } else tmp_width = tmp_width + horizontal_separator; if (tmp_width > column->requested_width) { retval = TRUE; column->requested_width = tmp_width; } } if (height != GTK_RBNODE_GET_HEIGHT (node)) { retval = TRUE; _gtk_rbtree_node_set_height (tree, node, height); } _gtk_rbtree_node_mark_valid (tree, node); return retval; } static void validate_visible_area (GtkTreeView *tree_view) { GtkTreePath *path = NULL; GtkTreePath *above_path = NULL; GtkTreeIter iter; GtkRBTree *tree = NULL; GtkRBNode *node = NULL; gboolean need_redraw = FALSE; gboolean size_changed = FALSE; gboolean update_dy = FALSE; gint total_height; gint area_above = 0; gint area_below = 0; if (tree_view->priv->tree == NULL) return; if (! GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID) && tree_view->priv->scroll_to_path == NULL) return; total_height = GTK_WIDGET (tree_view)->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view); if (total_height == 0) return; /* First, we check to see if we need to scroll anywhere */ if (tree_view->priv->scroll_to_path) { path = gtk_tree_row_reference_get_path (tree_view->priv->scroll_to_path); if (path && !_gtk_tree_view_find_node (tree_view, path, &tree, &node)) { gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID)) { need_redraw = TRUE; if (validate_row (tree_view, tree, node, &iter, path)) size_changed = TRUE; } if (tree_view->priv->scroll_to_use_align) { gint height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node)); area_above = (total_height - height) * tree_view->priv->scroll_to_row_align; area_below = total_height - area_above - height; area_above = MAX (area_above, 0); area_below = MAX (area_below, 0); } else { /* two cases: * 1) row not visible * 2) row visible */ gint dy; gint height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node)); dy = _gtk_rbtree_node_find_offset (tree, node); if (dy >= tree_view->priv->vadjustment->value && dy < (tree_view->priv->vadjustment->value + tree_view->priv->vadjustment->page_size)) { /* row visible: keep the row at the same position */ area_above = dy - tree_view->priv->vadjustment->value; area_below = (tree_view->priv->vadjustment->value + tree_view->priv->vadjustment->page_size) - dy - height; } else { /* row not visible */ update_dy = TRUE; if (dy >= 0 && dy <= tree_view->priv->vadjustment->page_size) { /* row at the beginning -- fixed */ area_above = dy; area_below = tree_view->priv->vadjustment->page_size - area_above - height; } else if (dy >= (tree_view->priv->vadjustment->upper - tree_view->priv->vadjustment->page_size) && dy <= tree_view->priv->vadjustment->upper) { /* row at the end -- fixed */ area_above = dy - (tree_view->priv->vadjustment->upper - tree_view->priv->vadjustment->page_size); area_below = tree_view->priv->vadjustment->page_size - area_above - height; if (area_below < 0) { area_above += area_below; area_below = 0; } } else { /* row somewhere in the middle, bring it to the top * of the view */ area_above = 0; area_below = total_height - height; } } } } else /* the scroll to isn't valid; ignore it. */ { if (tree_view->priv->scroll_to_path && !path) { gtk_tree_row_reference_free (tree_view->priv->scroll_to_path); tree_view->priv->scroll_to_path = NULL; } if (path) gtk_tree_path_free (path); path = NULL; } } /* We didn't have a scroll_to set, so we just handle things normally */ if (path == NULL) { gint offset; offset = _gtk_rbtree_find_offset (tree_view->priv->tree, TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, 0), &tree, &node); if (node == NULL) { /* In this case, nothing has been validated */ path = gtk_tree_path_new_first (); _gtk_tree_view_find_node (tree_view, path, &tree, &node); } else { path = _gtk_tree_view_find_path (tree_view, tree, node); total_height += offset; } gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID)) { need_redraw = TRUE; if (validate_row (tree_view, tree, node, &iter, path)) size_changed = TRUE; } area_above = 0; area_below = total_height - ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node)); } above_path = gtk_tree_path_copy (path); /* Now, we walk forwards and backwards, measuring rows. Unfortunately, * backwards is much slower then forward, as there is no iter_prev function. * We go forwards first in case we run out of tree. Then we go backwards to * fill out the top. */ while (node && area_below > 0) { gint new_height; if (node->children) { GtkTreeIter parent = iter; gboolean has_child; tree = node->children; node = tree->root; g_assert (node != tree->nil); while (node->left != tree->nil) node = node->left; has_child = gtk_tree_model_iter_children (tree_view->priv->model, &iter, &parent); TREE_VIEW_INTERNAL_ASSERT_VOID (has_child); gtk_tree_path_down (path); } else { gboolean done = FALSE; do { node = _gtk_rbtree_next (tree, node); if (node != NULL) { gboolean has_next = gtk_tree_model_iter_next (tree_view->priv->model, &iter); done = TRUE; gtk_tree_path_next (path); /* Sanity Check! */ TREE_VIEW_INTERNAL_ASSERT_VOID (has_next); } else { GtkTreeIter parent_iter = iter; gboolean has_parent; node = tree->parent_node; tree = tree->parent_tree; if (tree == NULL) break; has_parent = gtk_tree_model_iter_parent (tree_view->priv->model, &iter, &parent_iter); gtk_tree_path_up (path); /* Sanity check */ TREE_VIEW_INTERNAL_ASSERT_VOID (has_parent); } } while (!done); } if (!node) break; new_height = GTK_RBNODE_GET_HEIGHT (node); if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID)) { gint old_height = new_height; need_redraw = TRUE; if (validate_row (tree_view, tree, node, &iter, path)) { new_height = GTK_RBNODE_GET_HEIGHT (node); size_changed = TRUE; area_below -= new_height - old_height; } } area_below -= ROW_HEIGHT (tree_view, new_height); } gtk_tree_path_free (path); /* If we ran out of tree, and have extra area_below left, we need to add it * to area_above */ if (area_below > 0) area_above += area_below; _gtk_tree_view_find_node (tree_view, above_path, &tree, &node); /* We walk backwards */ while (area_above > 0) { gint new_height; _gtk_rbtree_prev_full (tree, node, &tree, &node); if (! gtk_tree_path_prev (above_path) && node != NULL) { gtk_tree_path_free (above_path); above_path = _gtk_tree_view_find_path (tree_view, tree, node); } gtk_tree_model_get_iter (tree_view->priv->model, &iter, above_path); if (node == NULL) break; new_height = GTK_RBNODE_GET_HEIGHT (node); if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID)) { gint old_height = new_height; need_redraw = TRUE; if (validate_row (tree_view, tree, node, &iter, above_path)) { new_height = GTK_RBNODE_GET_HEIGHT (node); size_changed = TRUE; area_above -= new_height - old_height; } } area_above -= ROW_HEIGHT (tree_view, new_height); update_dy = TRUE; } if (size_changed) { GtkRequisition requisition; /* We temporarily guess a size, under the assumption that it will be the * same when we get our next size_allocate. If we don't do this, we'll be * in an inconsistent state if we call top_row_to_dy. */ gtk_widget_size_request (GTK_WIDGET (tree_view), &requisition); tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width); tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height); gtk_adjustment_changed (tree_view->priv->hadjustment); gtk_adjustment_changed (tree_view->priv->vadjustment); gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } /* if we scroll at all, always update dy and kill the top_row */ if (tree_view->priv->scroll_to_path && ! GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID)) { update_dy = TRUE; if (tree_view->priv->top_row) { gtk_tree_row_reference_free (tree_view->priv->top_row); tree_view->priv->top_row = NULL; } } /* if we walk backwards at all, then we need to reset our dy. */ if (update_dy) { gint dy; if (node != NULL) { dy = _gtk_rbtree_node_find_offset (tree, node) - area_above; } else { dy = 0; } gtk_adjustment_set_value (tree_view->priv->vadjustment, dy); need_redraw = TRUE; } if (tree_view->priv->scroll_to_path) { gtk_tree_row_reference_free (tree_view->priv->scroll_to_path); tree_view->priv->scroll_to_path = NULL; } if (above_path) gtk_tree_path_free (above_path); if (tree_view->priv->scroll_to_column) { tree_view->priv->scroll_to_column = NULL; } if (need_redraw) gtk_widget_queue_draw (GTK_WIDGET (tree_view)); } static void initialize_fixed_height_mode (GtkTreeView *tree_view) { if (!tree_view->priv->tree) return; if (tree_view->priv->fixed_height < 0) { GtkTreeIter iter; GtkTreePath *path; GtkRBTree *tree = NULL; GtkRBNode *node = NULL; tree = tree_view->priv->tree; node = tree->root; path = _gtk_tree_view_find_path (tree_view, tree, node); gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); validate_row (tree_view, tree, node, &iter, path); gtk_tree_path_free (path); tree_view->priv->fixed_height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node)); } _gtk_rbtree_set_fixed_height (tree_view->priv->tree, tree_view->priv->fixed_height); } /* Our strategy for finding nodes to validate is a little convoluted. We find * the left-most uninvalidated node. We then try walking right, validating * nodes. Once we find a valid node, we repeat the previous process of finding * the first invalid node. */ static gboolean do_validate_rows (GtkTreeView *tree_view) { GtkRBTree *tree = NULL; GtkRBNode *node = NULL; gboolean validated_area = FALSE; gint retval = TRUE; GtkTreePath *path = NULL; GtkTreeIter iter; gint i = 0; gint prev_height = -1; gboolean fixed_height = TRUE; g_assert (tree_view); if (tree_view->priv->tree == NULL) return FALSE; if (tree_view->priv->fixed_height_mode) { if (tree_view->priv->fixed_height < 0) initialize_fixed_height_mode (tree_view); return FALSE; } do { if (! GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID)) { retval = FALSE; goto done; } if (path != NULL) { node = _gtk_rbtree_next (tree, node); if (node != NULL) { TREE_VIEW_INTERNAL_ASSERT (gtk_tree_model_iter_next (tree_view->priv->model, &iter), FALSE); gtk_tree_path_next (path); } else { gtk_tree_path_free (path); path = NULL; } } if (path == NULL) { tree = tree_view->priv->tree; node = tree_view->priv->tree->root; g_assert (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_DESCENDANTS_INVALID)); do { if (node->left != tree->nil && GTK_RBNODE_FLAG_SET (node->left, GTK_RBNODE_DESCENDANTS_INVALID)) { node = node->left; } else if (node->right != tree->nil && GTK_RBNODE_FLAG_SET (node->right, GTK_RBNODE_DESCENDANTS_INVALID)) { node = node->right; } else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID)) { break; } else if (node->children != NULL) { tree = node->children; node = tree->root; } else /* RBTree corruption! All bad */ g_assert_not_reached (); } while (TRUE); path = _gtk_tree_view_find_path (tree_view, tree, node); gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); } validated_area = validate_row (tree_view, tree, node, &iter, path) || validated_area; if (!tree_view->priv->fixed_height_check) { gint height; height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node)); if (prev_height < 0) prev_height = height; else if (prev_height != height) fixed_height = FALSE; } i++; } while (i < GTK_TREE_VIEW_NUM_ROWS_PER_IDLE); if (!tree_view->priv->fixed_height_check) { if (fixed_height) _gtk_rbtree_set_fixed_height (tree_view->priv->tree, prev_height); tree_view->priv->fixed_height_check = 1; } done: if (validated_area) { GtkRequisition requisition; /* We temporarily guess a size, under the assumption that it will be the * same when we get our next size_allocate. If we don't do this, we'll be * in an inconsistent state when we call top_row_to_dy. */ gtk_widget_size_request (GTK_WIDGET (tree_view), &requisition); tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width); tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height); gtk_adjustment_changed (tree_view->priv->hadjustment); gtk_adjustment_changed (tree_view->priv->vadjustment); gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } if (gtk_tree_row_reference_valid (tree_view->priv->top_row)) gtk_tree_view_top_row_to_dy (tree_view); else gtk_tree_view_dy_to_top_row (tree_view); if (path) gtk_tree_path_free (path); return retval; } static gboolean validate_rows (GtkTreeView *tree_view) { gboolean retval; retval = do_validate_rows (tree_view); if (! retval && tree_view->priv->validate_rows_timer) { g_source_remove (tree_view->priv->validate_rows_timer); tree_view->priv->validate_rows_timer = 0; } return retval; } static gboolean validate_rows_handler (GtkTreeView *tree_view) { gboolean retval; GDK_THREADS_ENTER (); retval = do_validate_rows (tree_view); if (! retval && tree_view->priv->validate_rows_timer) { g_source_remove (tree_view->priv->validate_rows_timer); tree_view->priv->validate_rows_timer = 0; } GDK_THREADS_LEAVE (); return retval; } static gboolean do_presize_handler (GtkTreeView *tree_view) { if (tree_view->priv->mark_rows_col_dirty) { if (tree_view->priv->tree) _gtk_rbtree_column_invalid (tree_view->priv->tree); tree_view->priv->mark_rows_col_dirty = FALSE; } validate_visible_area (tree_view); tree_view->priv->presize_handler_timer = 0; return FALSE; } static gboolean presize_handler_callback (gpointer data) { GDK_THREADS_ENTER (); do_presize_handler (GTK_TREE_VIEW (data)); GDK_THREADS_LEAVE (); return FALSE; } static void install_presize_handler (GtkTreeView *tree_view) { if (! GTK_WIDGET_REALIZED (tree_view)) return; if (! tree_view->priv->presize_handler_timer) { tree_view->priv->presize_handler_timer = g_idle_add_full (GTK_PRIORITY_RESIZE - 2, presize_handler_callback, tree_view, NULL); } if (! tree_view->priv->validate_rows_timer) { tree_view->priv->validate_rows_timer = g_idle_add_full (GTK_TREE_VIEW_PRIORITY_VALIDATE, (GSourceFunc) validate_rows_handler, tree_view, NULL); } } static gboolean scroll_sync_handler (GtkTreeView *tree_view) { GDK_THREADS_ENTER (); if (gtk_tree_row_reference_valid (tree_view->priv->top_row)) gtk_tree_view_top_row_to_dy (tree_view); else gtk_tree_view_dy_to_top_row (tree_view); tree_view->priv->scroll_sync_timer = 0; GDK_THREADS_LEAVE (); return FALSE; } static void install_scroll_sync_handler (GtkTreeView *tree_view) { if (! GTK_WIDGET_REALIZED (tree_view)) return; if (!tree_view->priv->scroll_sync_timer) { tree_view->priv->scroll_sync_timer = g_idle_add_full (GTK_TREE_VIEW_PRIORITY_SCROLL_SYNC, (GSourceFunc) scroll_sync_handler, tree_view, NULL); } } /* Always call this iff dy is in the visible range. If the tree is empty, then * it's set to be NULL, and top_row_dy is 0; */ static void gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view) { GtkTreePath *path; GtkRBTree *tree; GtkRBNode *node; gtk_tree_row_reference_free (tree_view->priv->top_row); if (tree_view->priv->tree == NULL) tree = NULL; else tree_view->priv->top_row_dy = _gtk_rbtree_find_offset (tree_view->priv->tree, tree_view->priv->dy, &tree, &node); if (tree == NULL) { tree_view->priv->top_row = NULL; tree_view->priv->top_row_dy = 0; return; } path = _gtk_tree_view_find_path (tree_view, tree, node); tree_view->priv->top_row = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path); gtk_tree_path_free (path); } static void gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view) { GtkTreePath *path; GtkRBTree *tree; GtkRBNode *node; if (tree_view->priv->top_row) path = gtk_tree_row_reference_get_path (tree_view->priv->top_row); else path = NULL; if (!path) tree = NULL; else _gtk_tree_view_find_node (tree_view, path, &tree, &node); if (path) gtk_tree_path_free (path); if (tree == NULL) { /* keep dy and set new toprow */ gtk_tree_row_reference_free (tree_view->priv->top_row); tree_view->priv->top_row = NULL; tree_view->priv->top_row_dy = 0; /* DO NOT install the idle handler */ gtk_tree_view_dy_to_top_row (tree_view); return; } if (ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)) < tree_view->priv->top_row_dy) { /* new top row -- do NOT install the idle handler */ gtk_tree_view_dy_to_top_row (tree_view); return; } tree_view->priv->dy = _gtk_rbtree_node_find_offset (tree, node); tree_view->priv->dy += tree_view->priv->top_row_dy; gtk_adjustment_set_value (tree_view->priv->vadjustment, (gdouble)tree_view->priv->dy); } void _gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view) { tree_view->priv->mark_rows_col_dirty = TRUE; install_presize_handler (tree_view); } /* * This function works synchronously (due to the while (validate_rows...) * loop). * * There was a check for column_type != GTK_TREE_VIEW_COLUMN_AUTOSIZE * here. You now need to check that yourself. */ void _gtk_tree_view_column_autosize (GtkTreeView *tree_view, GtkTreeViewColumn *column) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (column)); _gtk_tree_view_column_cell_set_dirty (column, FALSE); do_presize_handler (tree_view); while (validate_rows (tree_view)); gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } /* Drag-and-drop */ static void set_source_row (GdkDragContext *context, GtkTreeModel *model, GtkTreePath *source_row) { g_object_set_data_full (G_OBJECT (context), "gtk-tree-view-source-row", source_row ? gtk_tree_row_reference_new (model, source_row) : NULL, (GDestroyNotify) (source_row ? gtk_tree_row_reference_free : NULL)); } static GtkTreePath* get_source_row (GdkDragContext *context) { GtkTreeRowReference *ref = g_object_get_data (G_OBJECT (context), "gtk-tree-view-source-row"); if (ref) return gtk_tree_row_reference_get_path (ref); else return NULL; } typedef struct { GtkTreeRowReference *dest_row; gboolean path_down_mode; gboolean empty_view_drop; gboolean drop_append_mode; } DestRow; static void dest_row_free (gpointer data) { DestRow *dr = (DestRow *)data; gtk_tree_row_reference_free (dr->dest_row); g_free (dr); } static void set_dest_row (GdkDragContext *context, GtkTreeModel *model, GtkTreePath *dest_row, gboolean path_down_mode, gboolean empty_view_drop, gboolean drop_append_mode) { DestRow *dr; if (!dest_row) { g_object_set_data_full (G_OBJECT (context), "gtk-tree-view-dest-row", NULL, NULL); return; } dr = g_new0 (DestRow, 1); dr->dest_row = gtk_tree_row_reference_new (model, dest_row); dr->path_down_mode = path_down_mode; dr->empty_view_drop = empty_view_drop; dr->drop_append_mode = drop_append_mode; g_object_set_data_full (G_OBJECT (context), "gtk-tree-view-dest-row", dr, (GDestroyNotify) dest_row_free); } static GtkTreePath* get_dest_row (GdkDragContext *context, gboolean *path_down_mode) { DestRow *dr = g_object_get_data (G_OBJECT (context), "gtk-tree-view-dest-row"); if (dr) { GtkTreePath *path = NULL; if (path_down_mode) *path_down_mode = dr->path_down_mode; if (dr->dest_row) path = gtk_tree_row_reference_get_path (dr->dest_row); else if (dr->empty_view_drop) path = gtk_tree_path_new_from_indices (0, -1); else path = NULL; if (path && dr->drop_append_mode) gtk_tree_path_next (path); return path; } else return NULL; } /* Get/set whether drag_motion requested the drag data and * drag_data_received should thus not actually insert the data, * since the data doesn't result from a drop. */ static void set_status_pending (GdkDragContext *context, GdkDragAction suggested_action) { g_object_set_data (G_OBJECT (context), "gtk-tree-view-status-pending", GINT_TO_POINTER (suggested_action)); } static GdkDragAction get_status_pending (GdkDragContext *context) { return GPOINTER_TO_INT (g_object_get_data (G_OBJECT (context), "gtk-tree-view-status-pending")); } static TreeViewDragInfo* get_info (GtkTreeView *tree_view) { return g_object_get_data (G_OBJECT (tree_view), "gtk-tree-view-drag-info"); } static void clear_source_info (TreeViewDragInfo *di) { if (di->source_target_list) gtk_target_list_unref (di->source_target_list); di->source_target_list = NULL; } static void clear_dest_info (TreeViewDragInfo *di) { if (di->dest_target_list) gtk_target_list_unref (di->dest_target_list); di->dest_target_list = NULL; } static void destroy_info (TreeViewDragInfo *di) { clear_source_info (di); clear_dest_info (di); g_free (di); } static TreeViewDragInfo* ensure_info (GtkTreeView *tree_view) { TreeViewDragInfo *di; di = get_info (tree_view); if (di == NULL) { di = g_new0 (TreeViewDragInfo, 1); g_object_set_data_full (G_OBJECT (tree_view), "gtk-tree-view-drag-info", di, (GDestroyNotify) destroy_info); } return di; } static void remove_info (GtkTreeView *tree_view) { g_object_set_data (G_OBJECT (tree_view), "gtk-tree-view-drag-info", NULL); } #if 0 static gint drag_scan_timeout (gpointer data) { GtkTreeView *tree_view; gint x, y; GdkModifierType state; GtkTreePath *path = NULL; GtkTreeViewColumn *column = NULL; GdkRectangle visible_rect; GDK_THREADS_ENTER (); tree_view = GTK_TREE_VIEW (data); gdk_window_get_pointer (tree_view->priv->bin_window, &x, &y, &state); gtk_tree_view_get_visible_rect (tree_view, &visible_rect); /* See if we are near the edge. */ if ((x - visible_rect.x) < SCROLL_EDGE_SIZE || (visible_rect.x + visible_rect.width - x) < SCROLL_EDGE_SIZE || (y - visible_rect.y) < SCROLL_EDGE_SIZE || (visible_rect.y + visible_rect.height - y) < SCROLL_EDGE_SIZE) { gtk_tree_view_get_path_at_pos (tree_view, tree_view->priv->bin_window, x, y, &path, &column, NULL, NULL); if (path != NULL) { gtk_tree_view_scroll_to_cell (tree_view, path, column, TRUE, 0.5, 0.5); gtk_tree_path_free (path); } } GDK_THREADS_LEAVE (); return TRUE; } #endif /* 0 */ static void remove_scroll_timeout (GtkTreeView *tree_view) { if (tree_view->priv->scroll_timeout != 0) { g_source_remove (tree_view->priv->scroll_timeout); tree_view->priv->scroll_timeout = 0; } } static gboolean check_model_dnd (GtkTreeModel *model, GType required_iface, const gchar *signal) { if (model == NULL || !G_TYPE_CHECK_INSTANCE_TYPE ((model), required_iface)) { g_warning ("You must override the default '%s' handler " "on GtkTreeView when using models that don't support " "the %s interface and enabling drag-and-drop. The simplest way to do this " "is to connect to '%s' and call " "g_signal_stop_emission_by_name() in your signal handler to prevent " "the default handler from running. Look at the source code " "for the default handler in gtktreeview.c to get an idea what " "your handler should do. (gtktreeview.c is in the GTK source " "code.) If you're using GTK from a language other than C, " "there may be a more natural way to override default handlers, e.g. via derivation.", signal, g_type_name (required_iface), signal); return FALSE; } else return TRUE; } static void remove_open_timeout (GtkTreeView *tree_view) { if (tree_view->priv->open_dest_timeout != 0) { g_source_remove (tree_view->priv->open_dest_timeout); tree_view->priv->open_dest_timeout = 0; } } static gint open_row_timeout (gpointer data) { GtkTreeView *tree_view = data; GtkTreePath *dest_path = NULL; GtkTreeViewDropPosition pos; gboolean result = FALSE; GDK_THREADS_ENTER (); gtk_tree_view_get_drag_dest_row (tree_view, &dest_path, &pos); if (dest_path && (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER || pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) { gtk_tree_view_expand_row (tree_view, dest_path, FALSE); tree_view->priv->open_dest_timeout = 0; gtk_tree_path_free (dest_path); } else { if (dest_path) gtk_tree_path_free (dest_path); result = TRUE; } GDK_THREADS_LEAVE (); return result; } static gint scroll_row_timeout (gpointer data) { GtkTreeView *tree_view = data; GDK_THREADS_ENTER (); gtk_tree_view_vertical_autoscroll (tree_view); GDK_THREADS_LEAVE (); return TRUE; } /* Returns TRUE if event should not be propagated to parent widgets */ static gboolean set_destination_row (GtkTreeView *tree_view, GdkDragContext *context, gint x, gint y, GdkDragAction *suggested_action, GdkAtom *target) { GtkTreePath *path = NULL; GtkTreeViewDropPosition pos; GtkTreeViewDropPosition old_pos; TreeViewDragInfo *di; GtkWidget *widget; GtkTreePath *old_dest_path = NULL; gboolean can_drop = FALSE; *suggested_action = 0; *target = GDK_NONE; widget = GTK_WIDGET (tree_view); di = get_info (tree_view); if (di == NULL || y - TREE_VIEW_HEADER_HEIGHT (tree_view) < 0) { /* someone unset us as a drag dest, note that if * we return FALSE drag_leave isn't called */ gtk_tree_view_set_drag_dest_row (tree_view, NULL, GTK_TREE_VIEW_DROP_BEFORE); remove_scroll_timeout (GTK_TREE_VIEW (widget)); remove_open_timeout (GTK_TREE_VIEW (widget)); return FALSE; /* no longer a drop site */ } *target = gtk_drag_dest_find_target (widget, context, di->dest_target_list); if (*target == GDK_NONE) { return FALSE; } if (!gtk_tree_view_get_dest_row_at_pos (tree_view, x, y, &path, &pos)) { gint n_children; GtkTreeModel *model; remove_open_timeout (tree_view); /* the row got dropped on empty space, let's setup a special case */ if (path) gtk_tree_path_free (path); model = gtk_tree_view_get_model (tree_view); n_children = gtk_tree_model_iter_n_children (model, NULL); if (n_children) { pos = GTK_TREE_VIEW_DROP_AFTER; path = gtk_tree_path_new_from_indices (n_children - 1, -1); } else { pos = GTK_TREE_VIEW_DROP_BEFORE; path = gtk_tree_path_new_from_indices (0, -1); } can_drop = TRUE; goto out; } g_assert (path); /* If we left the current row's "open" zone, unset the timeout for * opening the row */ gtk_tree_view_get_drag_dest_row (tree_view, &old_dest_path, &old_pos); if (old_dest_path && (gtk_tree_path_compare (path, old_dest_path) != 0 || !(pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER || pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE))) remove_open_timeout (tree_view); if (old_dest_path) gtk_tree_path_free (old_dest_path); if (TRUE /* FIXME if the location droppable predicate */) { can_drop = TRUE; } out: if (can_drop) { GtkWidget *source_widget; *suggested_action = context->suggested_action; source_widget = gtk_drag_get_source_widget (context); if (source_widget == widget) { /* Default to MOVE, unless the user has * pressed ctrl or shift to affect available actions */ if ((context->actions & GDK_ACTION_MOVE) != 0) *suggested_action = GDK_ACTION_MOVE; } gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), path, pos); } else { /* can't drop here */ remove_open_timeout (tree_view); gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), NULL, GTK_TREE_VIEW_DROP_BEFORE); } if (path) gtk_tree_path_free (path); return TRUE; } static GtkTreePath* get_logical_dest_row (GtkTreeView *tree_view, gboolean *path_down_mode, gboolean *drop_append_mode) { /* adjust path to point to the row the drop goes in front of */ GtkTreePath *path = NULL; GtkTreeViewDropPosition pos; g_return_val_if_fail (path_down_mode != NULL, NULL); g_return_val_if_fail (drop_append_mode != NULL, NULL); *path_down_mode = FALSE; *drop_append_mode = 0; gtk_tree_view_get_drag_dest_row (tree_view, &path, &pos); if (path == NULL) return NULL; if (pos == GTK_TREE_VIEW_DROP_BEFORE) ; /* do nothing */ else if (pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE || pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER) *path_down_mode = TRUE; else { GtkTreeIter iter; GtkTreeModel *model = gtk_tree_view_get_model (tree_view); g_assert (pos == GTK_TREE_VIEW_DROP_AFTER); if (!gtk_tree_model_get_iter (model, &iter, path) || !gtk_tree_model_iter_next (model, &iter)) *drop_append_mode = 1; else { *drop_append_mode = 0; gtk_tree_path_next (path); } } return path; } static gboolean gtk_tree_view_maybe_begin_dragging_row (GtkTreeView *tree_view, GdkEventMotion *event) { GdkDragContext *context; TreeViewDragInfo *di; GtkTreePath *path = NULL; gint button; gint cell_x, cell_y; GtkTreeModel *model; gboolean retval = FALSE; di = get_info (tree_view); if (di == NULL) goto out; if (tree_view->priv->pressed_button < 0) goto out; if (!gtk_drag_check_threshold (GTK_WIDGET (tree_view), tree_view->priv->press_start_x, tree_view->priv->press_start_y, event->x, event->y)) goto out; model = gtk_tree_view_get_model (tree_view); if (model == NULL) goto out; button = tree_view->priv->pressed_button; tree_view->priv->pressed_button = -1; gtk_tree_view_get_path_at_pos (tree_view, tree_view->priv->press_start_x, tree_view->priv->press_start_y, &path, NULL, &cell_x, &cell_y); if (path == NULL) goto out; if (!GTK_IS_TREE_DRAG_SOURCE (model) || !gtk_tree_drag_source_row_draggable (GTK_TREE_DRAG_SOURCE (model), path)) goto out; /* FIXME Check whether we're a start button, if not return FALSE and * free path */ /* Now we can begin the drag */ retval = TRUE; context = gtk_drag_begin (GTK_WIDGET (tree_view), di->source_target_list, di->source_actions, button, (GdkEvent*)event); set_source_row (context, model, path); out: if (path) gtk_tree_path_free (path); return retval; } static void gtk_tree_view_drag_begin (GtkWidget *widget, GdkDragContext *context) { GtkTreeView *tree_view; GtkTreePath *path = NULL; gint cell_x, cell_y; GdkPixmap *row_pix; tree_view = GTK_TREE_VIEW (widget); /* if the user uses a custom DnD impl, we don't set the icon here */ if (!get_info (tree_view)) return; gtk_tree_view_get_path_at_pos (tree_view, tree_view->priv->press_start_x, tree_view->priv->press_start_y, &path, NULL, &cell_x, &cell_y); g_return_if_fail (path != NULL); row_pix = gtk_tree_view_create_row_drag_icon (tree_view, path); gtk_drag_set_icon_pixmap (context, gdk_drawable_get_colormap (row_pix), row_pix, NULL, /* the + 1 is for the black border in the icon */ tree_view->priv->press_start_x + 1, cell_y + 1); g_object_unref (row_pix); gtk_tree_path_free (path); } static void gtk_tree_view_drag_end (GtkWidget *widget, GdkDragContext *context) { /* do nothing */ } /* Default signal implementations for the drag signals */ static void gtk_tree_view_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, guint info, guint time) { GtkTreeView *tree_view; GtkTreeModel *model; TreeViewDragInfo *di; GtkTreePath *source_row; tree_view = GTK_TREE_VIEW (widget); model = gtk_tree_view_get_model (tree_view); if (model == NULL) return; di = get_info (GTK_TREE_VIEW (widget)); if (di == NULL) return; source_row = get_source_row (context); if (source_row == NULL) return; /* We can implement the GTK_TREE_MODEL_ROW target generically for * any model; for DragSource models there are some other targets * we also support. */ if (GTK_IS_TREE_DRAG_SOURCE (model) && gtk_tree_drag_source_drag_data_get (GTK_TREE_DRAG_SOURCE (model), source_row, selection_data)) goto done; /* If drag_data_get does nothing, try providing row data. */ if (selection_data->target == gdk_atom_intern ("GTK_TREE_MODEL_ROW", FALSE)) { gtk_tree_set_row_drag_data (selection_data, model, source_row); } done: gtk_tree_path_free (source_row); } static void gtk_tree_view_drag_data_delete (GtkWidget *widget, GdkDragContext *context) { TreeViewDragInfo *di; GtkTreeModel *model; GtkTreeView *tree_view; GtkTreePath *source_row; tree_view = GTK_TREE_VIEW (widget); model = gtk_tree_view_get_model (tree_view); if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_SOURCE, "drag_data_delete")) return; di = get_info (tree_view); if (di == NULL) return; source_row = get_source_row (context); if (source_row == NULL) return; gtk_tree_drag_source_drag_data_delete (GTK_TREE_DRAG_SOURCE (model), source_row); gtk_tree_path_free (source_row); set_source_row (context, NULL, NULL); } static void gtk_tree_view_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time) { TreeViewDragInfo *di; di = get_info (GTK_TREE_VIEW (widget)); /* unset any highlight row */ gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), NULL, GTK_TREE_VIEW_DROP_BEFORE); remove_scroll_timeout (GTK_TREE_VIEW (widget)); remove_open_timeout (GTK_TREE_VIEW (widget)); } static gboolean gtk_tree_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { gboolean empty; GtkTreePath *path = NULL; GtkTreeModel *model; GtkTreeViewDropPosition pos; GtkTreeView *tree_view; GdkDragAction suggested_action = 0; GdkAtom target; tree_view = GTK_TREE_VIEW (widget); if (!set_destination_row (tree_view, context, x, y, &suggested_action, &target)) return FALSE; gtk_tree_view_get_drag_dest_row (tree_view, &path, &pos); /* we only know this *after* set_desination_row */ model = gtk_tree_view_get_model (tree_view); empty = tree_view->priv->empty_view_drop; if (path == NULL && !empty) { /* Can't drop here. */ gdk_drag_status (context, 0, time); } else { if (tree_view->priv->open_dest_timeout == 0 && (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER || pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) { tree_view->priv->open_dest_timeout = g_timeout_add (500, open_row_timeout, tree_view); } else if (tree_view->priv->scroll_timeout == 0) { tree_view->priv->scroll_timeout = g_timeout_add (150, scroll_row_timeout, tree_view); } if (target == gdk_atom_intern ("GTK_TREE_MODEL_ROW", FALSE)) { /* Request data so we can use the source row when * determining whether to accept the drop */ set_status_pending (context, suggested_action); gtk_drag_get_data (widget, context, target, time); } else { set_status_pending (context, 0); gdk_drag_status (context, suggested_action, time); } } if (path) gtk_tree_path_free (path); return TRUE; } static gboolean gtk_tree_view_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { GtkTreeView *tree_view; GtkTreePath *path; GdkDragAction suggested_action = 0; GdkAtom target = GDK_NONE; TreeViewDragInfo *di; GtkTreeModel *model; gboolean path_down_mode; gboolean drop_append_mode; tree_view = GTK_TREE_VIEW (widget); model = gtk_tree_view_get_model (tree_view); remove_scroll_timeout (GTK_TREE_VIEW (widget)); remove_open_timeout (GTK_TREE_VIEW (widget)); di = get_info (tree_view); if (di == NULL) return FALSE; if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_DEST, "drag_drop")) return FALSE; if (!set_destination_row (tree_view, context, x, y, &suggested_action, &target)) return FALSE; path = get_logical_dest_row (tree_view, &path_down_mode, &drop_append_mode); if (target != GDK_NONE && path != NULL) { /* in case a motion had requested drag data, change things so we * treat drag data receives as a drop. */ set_status_pending (context, 0); set_dest_row (context, model, path, path_down_mode, tree_view->priv->empty_view_drop, drop_append_mode); } if (path) gtk_tree_path_free (path); /* Unset this thing */ gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), NULL, GTK_TREE_VIEW_DROP_BEFORE); if (target != GDK_NONE) { gtk_drag_get_data (widget, context, target, time); return TRUE; } else return FALSE; } static void gtk_tree_view_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time) { GtkTreePath *path; TreeViewDragInfo *di; gboolean accepted = FALSE; GtkTreeModel *model; GtkTreeView *tree_view; GtkTreePath *dest_row; GdkDragAction suggested_action; gboolean path_down_mode; gboolean drop_append_mode; tree_view = GTK_TREE_VIEW (widget); model = gtk_tree_view_get_model (tree_view); if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_DEST, "drag_data_received")) return; di = get_info (tree_view); if (di == NULL) return; suggested_action = get_status_pending (context); if (suggested_action) { /* We are getting this data due to a request in drag_motion, * rather than due to a request in drag_drop, so we are just * supposed to call drag_status, not actually paste in the * data. */ path = get_logical_dest_row (tree_view, &path_down_mode, &drop_append_mode); if (path == NULL) suggested_action = 0; else if (path_down_mode) gtk_tree_path_down (path); if (suggested_action) { if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model), path, selection_data)) { if (path_down_mode) { path_down_mode = FALSE; gtk_tree_path_up (path); if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model), path, selection_data)) suggested_action = 0; } else suggested_action = 0; } } gdk_drag_status (context, suggested_action, time); if (path) gtk_tree_path_free (path); /* If you can't drop, remove user drop indicator until the next motion */ if (suggested_action == 0) gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), NULL, GTK_TREE_VIEW_DROP_BEFORE); return; } dest_row = get_dest_row (context, &path_down_mode); if (dest_row == NULL) return; if (selection_data->length >= 0) { if (path_down_mode) { gtk_tree_path_down (dest_row); if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model), dest_row, selection_data)) gtk_tree_path_up (dest_row); } } if (selection_data->length >= 0) { if (gtk_tree_drag_dest_drag_data_received (GTK_TREE_DRAG_DEST (model), dest_row, selection_data)) accepted = TRUE; } gtk_drag_finish (context, accepted, (context->action == GDK_ACTION_MOVE), time); if (gtk_tree_path_get_depth (dest_row) == 1 && gtk_tree_path_get_indices (dest_row)[0] == 0) { /* special special case drag to "0", scroll to first item */ if (!tree_view->priv->scroll_to_path) gtk_tree_view_scroll_to_cell (tree_view, dest_row, NULL, FALSE, 0.0, 0.0); } gtk_tree_path_free (dest_row); /* drop dest_row */ set_dest_row (context, NULL, NULL, FALSE, FALSE, FALSE); } /* GtkContainer Methods */ static void gtk_tree_view_remove (GtkContainer *container, GtkWidget *widget) { GtkTreeView *tree_view; GtkTreeViewChild *child = NULL; GList *tmp_list; g_return_if_fail (GTK_IS_TREE_VIEW (container)); tree_view = GTK_TREE_VIEW (container); tmp_list = tree_view->priv->children; while (tmp_list) { child = tmp_list->data; if (child->widget == widget) { gtk_widget_unparent (widget); tree_view->priv->children = g_list_remove_link (tree_view->priv->children, tmp_list); g_list_free_1 (tmp_list); g_free (child); return; } tmp_list = tmp_list->next; } tmp_list = tree_view->priv->columns; while (tmp_list) { GtkTreeViewColumn *column; column = tmp_list->data; if (column->button == widget) { gtk_widget_unparent (widget); return; } tmp_list = tmp_list->next; } } static void gtk_tree_view_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) { GtkTreeView *tree_view; GtkTreeViewChild *child = NULL; GtkTreeViewColumn *column; GList *tmp_list; g_return_if_fail (GTK_IS_TREE_VIEW (container)); g_return_if_fail (callback != NULL); tree_view = GTK_TREE_VIEW (container); tmp_list = tree_view->priv->children; while (tmp_list) { child = tmp_list->data; tmp_list = tmp_list->next; (* callback) (child->widget, callback_data); } if (include_internals == FALSE) return; for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next) { column = tmp_list->data; if (column->button) (* callback) (column->button, callback_data); } } /* Returns TRUE if the treeview contains no "special" (editable or activatable) * cells. If so we draw one big row-spanning focus rectangle. */ static gboolean gtk_tree_view_has_special_cell (GtkTreeView *tree_view) { GList *list; for (list = tree_view->priv->columns; list; list = list->next) { if (!((GtkTreeViewColumn *)list->data)->visible) continue; if (_gtk_tree_view_column_count_special_cells (list->data)) return TRUE; } return FALSE; } static void column_sizing_notify (GObject *object, GParamSpec *pspec, gpointer data) { GtkTreeViewColumn *c = GTK_TREE_VIEW_COLUMN (object); if (gtk_tree_view_column_get_sizing (c) != GTK_TREE_VIEW_COLUMN_FIXED) /* disable fixed height mode */ g_object_set (data, "fixed_height_mode", FALSE, NULL); } /** * gtk_tree_view_set_fixed_height_mode: * @tree_view: a #GtkTreeView * @enable: %TRUE to enable fixed height mode * * Enables or disables the fixed height mode of @tree_view. * Fixed height mode speeds up #GtkTreeView by assuming that all * rows have the same height. * Only enable this option if all rows are the same height and all * columns are of type %GTK_TREE_VIEW_COLUMN_FIXED. * * Since: 2.6 **/ void gtk_tree_view_set_fixed_height_mode (GtkTreeView *tree_view, gboolean enable) { GList *l; enable = enable != FALSE; if (enable == tree_view->priv->fixed_height_mode) return; if (!enable) { tree_view->priv->fixed_height_mode = 0; tree_view->priv->fixed_height = -1; /* force a revalidation */ install_presize_handler (tree_view); } else { /* make sure all columns are of type FIXED */ for (l = tree_view->priv->columns; l; l = l->next) { GtkTreeViewColumn *c = l->data; g_return_if_fail (gtk_tree_view_column_get_sizing (c) == GTK_TREE_VIEW_COLUMN_FIXED); } /* yes, we really have to do this is in a separate loop */ for (l = tree_view->priv->columns; l; l = l->next) g_signal_connect (l->data, "notify::sizing", G_CALLBACK (column_sizing_notify), tree_view); tree_view->priv->fixed_height_mode = 1; tree_view->priv->fixed_height = -1; if (tree_view->priv->tree) initialize_fixed_height_mode (tree_view); } g_object_notify (G_OBJECT (tree_view), "fixed-height-mode"); } /** * gtk_tree_view_get_fixed_height_mode: * @tree_view: a #GtkTreeView * * Returns whether fixed height mode is turned on for @tree_view. * * Return value: %TRUE if @tree_view is in fixed height mode * * Since: 2.6 **/ gboolean gtk_tree_view_get_fixed_height_mode (GtkTreeView *tree_view) { return tree_view->priv->fixed_height_mode; } /* Returns TRUE if the focus is within the headers, after the focus operation is * done */ static gboolean gtk_tree_view_header_focus (GtkTreeView *tree_view, GtkDirectionType dir) { GtkWidget *focus_child; GtkContainer *container; GList *last_column, *first_column; GList *tmp_list; gboolean rtl; if (! GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE)) return FALSE; focus_child = GTK_CONTAINER (tree_view)->focus_child; container = GTK_CONTAINER (tree_view); first_column = tree_view->priv->columns; while (first_column) { if (GTK_WIDGET_CAN_FOCUS (GTK_TREE_VIEW_COLUMN (first_column->data)->button) && GTK_TREE_VIEW_COLUMN (first_column->data)->visible && (GTK_TREE_VIEW_COLUMN (first_column->data)->clickable || GTK_TREE_VIEW_COLUMN (first_column->data)->reorderable)) break; first_column = first_column->next; } /* No headers are visible, or are focusable. We can't focus in or out. */ if (first_column == NULL) return FALSE; last_column = g_list_last (tree_view->priv->columns); while (last_column) { if (GTK_WIDGET_CAN_FOCUS (GTK_TREE_VIEW_COLUMN (last_column->data)->button) && GTK_TREE_VIEW_COLUMN (last_column->data)->visible && (GTK_TREE_VIEW_COLUMN (last_column->data)->clickable || GTK_TREE_VIEW_COLUMN (last_column->data)->reorderable)) break; last_column = last_column->prev; } rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); if (rtl) { GList *temp = first_column; first_column = last_column; last_column = temp; } switch (dir) { case GTK_DIR_TAB_BACKWARD: case GTK_DIR_TAB_FORWARD: case GTK_DIR_UP: case GTK_DIR_DOWN: if (focus_child == NULL) { if (tree_view->priv->focus_column != NULL) focus_child = tree_view->priv->focus_column->button; else focus_child = GTK_TREE_VIEW_COLUMN (first_column->data)->button; gtk_widget_grab_focus (focus_child); break; } return FALSE; case GTK_DIR_LEFT: case GTK_DIR_RIGHT: if (focus_child == NULL) { if (tree_view->priv->focus_column != NULL) focus_child = tree_view->priv->focus_column->button; else if (dir == GTK_DIR_LEFT) focus_child = GTK_TREE_VIEW_COLUMN (last_column->data)->button; else focus_child = GTK_TREE_VIEW_COLUMN (first_column->data)->button; gtk_widget_grab_focus (focus_child); break; } if (gtk_widget_child_focus (focus_child, dir)) { /* The focus moves inside the button. */ /* This is probably a great example of bad UI */ break; } /* We need to move the focus among the row of buttons. */ for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next) if (GTK_TREE_VIEW_COLUMN (tmp_list->data)->button == focus_child) break; if (tmp_list == first_column && dir == GTK_DIR_LEFT) { focus_child = GTK_TREE_VIEW_COLUMN (last_column->data)->button; gtk_widget_grab_focus (focus_child); break; } else if (tmp_list == last_column && dir == GTK_DIR_RIGHT) { focus_child = GTK_TREE_VIEW_COLUMN (first_column->data)->button; gtk_widget_grab_focus (focus_child); break; } while (tmp_list) { GtkTreeViewColumn *column; if (dir == GTK_DIR_RIGHT) tmp_list = tmp_list->next; else tmp_list = tmp_list->prev; if (tmp_list == NULL) { g_warning ("Internal button not found"); break; } column = tmp_list->data; if (column->button && column->visible && GTK_WIDGET_CAN_FOCUS (column->button)) { focus_child = column->button; gtk_widget_grab_focus (column->button); break; } } break; default: g_assert_not_reached (); break; } /* if focus child is non-null, we assume it's been set to the current focus child */ if (focus_child) { for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next) if (GTK_TREE_VIEW_COLUMN (tmp_list->data)->button == focus_child) break; tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); /* If the following isn't true, then the view is smaller then the scrollpane. */ if ((focus_child->allocation.x + focus_child->allocation.width) <= (tree_view->priv->hadjustment->upper)) { /* Scroll to the button, if needed */ if ((tree_view->priv->hadjustment->value + tree_view->priv->hadjustment->page_size) < (focus_child->allocation.x + focus_child->allocation.width)) gtk_adjustment_set_value (tree_view->priv->hadjustment, focus_child->allocation.x + focus_child->allocation.width - tree_view->priv->hadjustment->page_size); else if (tree_view->priv->hadjustment->value > focus_child->allocation.x) gtk_adjustment_set_value (tree_view->priv->hadjustment, focus_child->allocation.x); } } return (focus_child != NULL); } static gint gtk_tree_view_focus (GtkWidget *widget, GtkDirectionType direction) { GtkTreeView *tree_view; GtkWidget *focus_child; GtkContainer *container; g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE); g_return_val_if_fail (GTK_WIDGET_VISIBLE (widget), FALSE); container = GTK_CONTAINER (widget); tree_view = GTK_TREE_VIEW (widget); if (!GTK_WIDGET_IS_SENSITIVE (container)) return FALSE; focus_child = container->focus_child; gtk_tree_view_stop_editing (GTK_TREE_VIEW (widget), FALSE); /* Case 1. Headers currently have focus. */ if (focus_child) { switch (direction) { case GTK_DIR_LEFT: case GTK_DIR_RIGHT: gtk_tree_view_header_focus (tree_view, direction); return TRUE; case GTK_DIR_TAB_BACKWARD: case GTK_DIR_UP: return FALSE; case GTK_DIR_TAB_FORWARD: case GTK_DIR_DOWN: gtk_widget_grab_focus (widget); return TRUE; default: g_assert_not_reached (); return FALSE; } } /* Case 2. We don't have focus at all. */ if (!GTK_WIDGET_HAS_FOCUS (container)) { if (!gtk_tree_view_header_focus (tree_view, direction)) gtk_widget_grab_focus (widget); return TRUE; } /* Case 3. We have focus already. */ if (direction == GTK_DIR_TAB_BACKWARD) return (gtk_tree_view_header_focus (tree_view, direction)); else if (direction == GTK_DIR_TAB_FORWARD) return FALSE; /* Other directions caught by the keybindings */ gtk_widget_grab_focus (widget); return TRUE; } static void gtk_tree_view_grab_focus (GtkWidget *widget) { (* GTK_WIDGET_CLASS (parent_class)->grab_focus) (widget); gtk_tree_view_focus_to_cursor (GTK_TREE_VIEW (widget)); } static void gtk_tree_view_style_set (GtkWidget *widget, GtkStyle *previous_style) { GtkTreeView *tree_view; GList *list; GtkTreeViewColumn *column; g_return_if_fail (GTK_IS_TREE_VIEW (widget)); tree_view = GTK_TREE_VIEW (widget); if (GTK_WIDGET_REALIZED (widget)) { gdk_window_set_background (widget->window, &widget->style->base[widget->state]); gdk_window_set_background (tree_view->priv->bin_window, &widget->style->base[widget->state]); } gtk_widget_style_get (widget, "expander_size", &tree_view->priv->expander_size, NULL); tree_view->priv->expander_size += EXPANDER_EXTRA_PADDING; for (list = tree_view->priv->columns; list; list = list->next) { column = list->data; _gtk_tree_view_column_cell_set_dirty (column, TRUE); } tree_view->priv->fixed_height = -1; _gtk_rbtree_mark_invalid (tree_view->priv->tree); gtk_widget_queue_resize (widget); } static void gtk_tree_view_set_focus_child (GtkContainer *container, GtkWidget *child) { GtkTreeView *tree_view = GTK_TREE_VIEW (container); GList *list; for (list = tree_view->priv->columns; list; list = list->next) { if (GTK_TREE_VIEW_COLUMN (list->data)->button == child) { tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (list->data); break; } } (* parent_class->set_focus_child) (container, child); } static void gtk_tree_view_set_adjustments (GtkTreeView *tree_view, GtkAdjustment *hadj, GtkAdjustment *vadj) { gboolean need_adjust = FALSE; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (hadj) g_return_if_fail (GTK_IS_ADJUSTMENT (hadj)); else hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); if (vadj) g_return_if_fail (GTK_IS_ADJUSTMENT (vadj)); else vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); if (tree_view->priv->hadjustment && (tree_view->priv->hadjustment != hadj)) { g_signal_handlers_disconnect_by_func (tree_view->priv->hadjustment, gtk_tree_view_adjustment_changed, tree_view); g_object_unref (tree_view->priv->hadjustment); } if (tree_view->priv->vadjustment && (tree_view->priv->vadjustment != vadj)) { g_signal_handlers_disconnect_by_func (tree_view->priv->vadjustment, gtk_tree_view_adjustment_changed, tree_view); g_object_unref (tree_view->priv->vadjustment); } if (tree_view->priv->hadjustment != hadj) { tree_view->priv->hadjustment = hadj; g_object_ref (tree_view->priv->hadjustment); gtk_object_sink (GTK_OBJECT (tree_view->priv->hadjustment)); g_signal_connect (tree_view->priv->hadjustment, "value_changed", G_CALLBACK (gtk_tree_view_adjustment_changed), tree_view); need_adjust = TRUE; } if (tree_view->priv->vadjustment != vadj) { tree_view->priv->vadjustment = vadj; g_object_ref (tree_view->priv->vadjustment); gtk_object_sink (GTK_OBJECT (tree_view->priv->vadjustment)); g_signal_connect (tree_view->priv->vadjustment, "value_changed", G_CALLBACK (gtk_tree_view_adjustment_changed), tree_view); need_adjust = TRUE; } if (need_adjust) gtk_tree_view_adjustment_changed (NULL, tree_view); } static gboolean gtk_tree_view_real_move_cursor (GtkTreeView *tree_view, GtkMovementStep step, gint count) { GdkModifierType state; g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); g_return_val_if_fail (step == GTK_MOVEMENT_LOGICAL_POSITIONS || step == GTK_MOVEMENT_VISUAL_POSITIONS || step == GTK_MOVEMENT_DISPLAY_LINES || step == GTK_MOVEMENT_PAGES || step == GTK_MOVEMENT_BUFFER_ENDS, FALSE); if (tree_view->priv->tree == NULL) return FALSE; if (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET (tree_view))) return FALSE; gtk_tree_view_stop_editing (tree_view, FALSE); GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS); gtk_widget_grab_focus (GTK_WIDGET (tree_view)); if (gtk_get_current_event_state (&state)) { if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) tree_view->priv->ctrl_pressed = TRUE; if ((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK) tree_view->priv->shift_pressed = TRUE; } /* else we assume not pressed */ switch (step) { /* currently we make no distinction. When we go bi-di, we need to */ case GTK_MOVEMENT_LOGICAL_POSITIONS: case GTK_MOVEMENT_VISUAL_POSITIONS: gtk_tree_view_move_cursor_left_right (tree_view, count); break; case GTK_MOVEMENT_DISPLAY_LINES: gtk_tree_view_move_cursor_up_down (tree_view, count); break; case GTK_MOVEMENT_PAGES: gtk_tree_view_move_cursor_page_up_down (tree_view, count); break; case GTK_MOVEMENT_BUFFER_ENDS: gtk_tree_view_move_cursor_start_end (tree_view, count); break; default: g_assert_not_reached (); } tree_view->priv->ctrl_pressed = FALSE; tree_view->priv->shift_pressed = FALSE; return TRUE; } static void gtk_tree_view_put (GtkTreeView *tree_view, GtkWidget *child_widget, gint x, gint y, gint width, gint height) { GtkTreeViewChild *child; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (GTK_IS_WIDGET (child_widget)); child = g_new (GtkTreeViewChild, 1); child->widget = child_widget; child->x = x; child->y = y; child->width = width; child->height = height; tree_view->priv->children = g_list_append (tree_view->priv->children, child); if (GTK_WIDGET_REALIZED (tree_view)) gtk_widget_set_parent_window (child->widget, tree_view->priv->bin_window); gtk_widget_set_parent (child_widget, GTK_WIDGET (tree_view)); } void _gtk_tree_view_child_move_resize (GtkTreeView *tree_view, GtkWidget *widget, gint x, gint y, gint width, gint height) { GtkTreeViewChild *child = NULL; GList *list; GdkRectangle allocation; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (GTK_IS_WIDGET (widget)); for (list = tree_view->priv->children; list; list = list->next) { if (((GtkTreeViewChild *)list->data)->widget == widget) { child = list->data; break; } } if (child == NULL) return; allocation.x = child->x = x; allocation.y = child->y = y; allocation.width = child->width = width; allocation.height = child->height = height; if (GTK_WIDGET_REALIZED (widget)) gtk_widget_size_allocate (widget, &allocation); } /* TreeModel Callbacks */ static void gtk_tree_view_row_changed (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { GtkTreeView *tree_view = (GtkTreeView *)data; GtkRBTree *tree; GtkRBNode *node; gboolean free_path = FALSE; gint vertical_separator; GList *list; g_return_if_fail (path != NULL || iter != NULL); if (!GTK_WIDGET_REALIZED (tree_view)) /* We can just ignore ::changed signals if we aren't realized, as we don't care about sizes */ return; if (tree_view->priv->edited_column) gtk_tree_view_stop_editing (tree_view, TRUE); gtk_widget_style_get (GTK_WIDGET (data), "vertical_separator", &vertical_separator, NULL); if (path == NULL) { path = gtk_tree_model_get_path (model, iter); free_path = TRUE; } else if (iter == NULL) gtk_tree_model_get_iter (model, iter, path); if (_gtk_tree_view_find_node (tree_view, path, &tree, &node)) /* We aren't actually showing the node */ goto done; if (tree == NULL) goto done; if (tree_view->priv->fixed_height_mode && tree_view->priv->fixed_height >= 0) { _gtk_rbtree_node_set_height (tree, node, tree_view->priv->fixed_height); gtk_tree_view_node_queue_redraw (tree_view, tree, node); } else { _gtk_rbtree_node_mark_invalid (tree, node); for (list = tree_view->priv->columns; list; list = list->next) { GtkTreeViewColumn *column; column = list->data; if (! column->visible) continue; if (column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE) { _gtk_tree_view_column_cell_set_dirty (column, TRUE); } } } done: if (!tree_view->priv->fixed_height_mode) install_presize_handler (tree_view); if (free_path) gtk_tree_path_free (path); } static void gtk_tree_view_row_inserted (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { GtkTreeView *tree_view = (GtkTreeView *) data; gint *indices; GtkRBTree *tmptree, *tree; GtkRBNode *tmpnode = NULL; gint depth; gint i = 0; gint height; gboolean free_path = FALSE; g_return_if_fail (path != NULL || iter != NULL); if (path == NULL) { path = gtk_tree_model_get_path (model, iter); free_path = TRUE; } else if (iter == NULL) gtk_tree_model_get_iter (model, iter, path); if (tree_view->priv->tree == NULL) tree_view->priv->tree = _gtk_rbtree_new (); tmptree = tree = tree_view->priv->tree; /* Update all row-references */ gtk_tree_row_reference_inserted (G_OBJECT (data), path); depth = gtk_tree_path_get_depth (path); indices = gtk_tree_path_get_indices (path); /* First, find the parent tree */ while (i < depth - 1) { if (tmptree == NULL) { /* We aren't showing the node */ goto done; } tmpnode = _gtk_rbtree_find_count (tmptree, indices[i] + 1); if (tmpnode == NULL) { g_warning ("A node was inserted with a parent that's not in the tree.\n" \ "This possibly means that a GtkTreeModel inserted a child node\n" \ "before the parent was inserted."); goto done; } else if (!GTK_RBNODE_FLAG_SET (tmpnode, GTK_RBNODE_IS_PARENT)) { /* FIXME enforce correct behavior on model, probably */ /* In theory, the model should have emitted has_child_toggled here. We * try to catch it anyway, just to be safe, in case the model hasn't. */ GtkTreePath *tmppath = _gtk_tree_view_find_path (tree_view, tree, tmpnode); gtk_tree_view_row_has_child_toggled (model, tmppath, NULL, data); gtk_tree_path_free (tmppath); goto done; } tmptree = tmpnode->children; tree = tmptree; i++; } if (tree == NULL) goto done; if (tree_view->priv->fixed_height_mode && tree_view->priv->fixed_height >= 0) height = tree_view->priv->fixed_height; else height = 0; /* ref the node */ gtk_tree_model_ref_node (tree_view->priv->model, iter); if (indices[depth - 1] == 0) { tmpnode = _gtk_rbtree_find_count (tree, 1); _gtk_rbtree_insert_before (tree, tmpnode, height, FALSE); } else { tmpnode = _gtk_rbtree_find_count (tree, indices[depth - 1]); _gtk_rbtree_insert_after (tree, tmpnode, height, FALSE); } done: install_presize_handler (tree_view); if (free_path) gtk_tree_path_free (path); } static void gtk_tree_view_row_has_child_toggled (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { GtkTreeView *tree_view = (GtkTreeView *)data; GtkTreeIter real_iter; gboolean has_child; GtkRBTree *tree; GtkRBNode *node; gboolean free_path = FALSE; g_return_if_fail (path != NULL || iter != NULL); if (iter) real_iter = *iter; if (path == NULL) { path = gtk_tree_model_get_path (model, iter); free_path = TRUE; } else if (iter == NULL) gtk_tree_model_get_iter (model, &real_iter, path); if (_gtk_tree_view_find_node (tree_view, path, &tree, &node)) /* We aren't actually showing the node */ goto done; if (tree == NULL) goto done; has_child = gtk_tree_model_iter_has_child (model, &real_iter); /* Sanity check. */ if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT) == has_child) goto done; if (has_child) GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PARENT); else GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_PARENT); if (has_child && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST)) { GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST); if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS)) { GList *list; for (list = tree_view->priv->columns; list; list = list->next) if (GTK_TREE_VIEW_COLUMN (list->data)->visible) { GTK_TREE_VIEW_COLUMN (list->data)->dirty = TRUE; _gtk_tree_view_column_cell_set_dirty (GTK_TREE_VIEW_COLUMN (list->data), TRUE); break; } } gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } else { _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL); } done: if (free_path) gtk_tree_path_free (path); } static void count_children_helper (GtkRBTree *tree, GtkRBNode *node, gpointer data) { if (node->children) _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, count_children_helper, data); (*((gint *)data))++; } static void check_selection_helper (GtkRBTree *tree, GtkRBNode *node, gpointer data) { gint *value = (gint *)data; *value = GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED); if (node->children && !*value) _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, check_selection_helper, data); } static void gtk_tree_view_row_deleted (GtkTreeModel *model, GtkTreePath *path, gpointer data) { GtkTreeView *tree_view = (GtkTreeView *)data; GtkRBTree *tree; GtkRBNode *node; GList *list; gint selection_changed = FALSE; g_return_if_fail (path != NULL); gtk_tree_row_reference_deleted (G_OBJECT (data), path); if (_gtk_tree_view_find_node (tree_view, path, &tree, &node)) return; if (tree == NULL) return; /* check if the selection has been changed */ _gtk_rbtree_traverse (tree, node, G_POST_ORDER, check_selection_helper, &selection_changed); for (list = tree_view->priv->columns; list; list = list->next) if (((GtkTreeViewColumn *)list->data)->visible && ((GtkTreeViewColumn *)list->data)->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE) _gtk_tree_view_column_cell_set_dirty ((GtkTreeViewColumn *)list->data, TRUE); /* Ensure we don't have a dangling pointer to a dead node */ ensure_unprelighted (tree_view); /* Cancel editting if we've started */ gtk_tree_view_stop_editing (tree_view, TRUE); /* If we have a node expanded/collapsed timeout, remove it */ if (tree_view->priv->expand_collapse_timeout != 0) { g_source_remove (tree_view->priv->expand_collapse_timeout); tree_view->priv->expand_collapse_timeout = 0; /* Reset node */ GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED); GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED); tree_view->priv->expanded_collapsed_node = NULL; } if (tree_view->priv->destroy_count_func) { gint child_count = 0; if (node->children) _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, count_children_helper, &child_count); (* tree_view->priv->destroy_count_func) (tree_view, path, child_count, tree_view->priv->destroy_count_data); } if (tree->root->count == 1) { if (tree_view->priv->tree == tree) tree_view->priv->tree = NULL; _gtk_rbtree_remove (tree); } else { _gtk_rbtree_remove_node (tree, node); } if (! gtk_tree_row_reference_valid (tree_view->priv->top_row)) { gtk_tree_row_reference_free (tree_view->priv->top_row); tree_view->priv->top_row = NULL; } install_scroll_sync_handler (tree_view); gtk_widget_queue_resize (GTK_WIDGET (tree_view)); if (selection_changed) g_signal_emit_by_name (tree_view->priv->selection, "changed"); } static void cancel_arrow_animation (GtkTreeView *tree_view) { if (tree_view->priv->expand_collapse_timeout) { while (do_expand_collapse (tree_view)); g_source_remove (tree_view->priv->expand_collapse_timeout); tree_view->priv->expand_collapse_timeout = 0; } } static void gtk_tree_view_rows_reordered (GtkTreeModel *model, GtkTreePath *parent, GtkTreeIter *iter, gint *new_order, gpointer data) { GtkTreeView *tree_view = GTK_TREE_VIEW (data); GtkRBTree *tree; GtkRBNode *node; gint len; len = gtk_tree_model_iter_n_children (model, iter); if (len < 2) return; gtk_tree_row_reference_reordered (G_OBJECT (data), parent, iter, new_order); if (_gtk_tree_view_find_node (tree_view, parent, &tree, &node)) return; /* We need to special case the parent path */ if (tree == NULL) tree = tree_view->priv->tree; else tree = node->children; if (tree == NULL) return; if (tree_view->priv->edited_column) gtk_tree_view_stop_editing (tree_view, TRUE); /* we need to be unprelighted */ ensure_unprelighted (tree_view); /* clear the timeout */ cancel_arrow_animation (tree_view); _gtk_rbtree_reorder (tree, new_order, len); gtk_widget_queue_draw (GTK_WIDGET (tree_view)); gtk_tree_view_dy_to_top_row (tree_view); } /* Internal tree functions */ static void gtk_tree_view_get_background_xrange (GtkTreeView *tree_view, GtkRBTree *tree, GtkTreeViewColumn *column, gint *x1, gint *x2) { GtkTreeViewColumn *tmp_column = NULL; gint total_width; GList *list; gboolean rtl; if (x1) *x1 = 0; if (x2) *x2 = 0; rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); total_width = 0; for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns)); list; list = (rtl ? list->prev : list->next)) { tmp_column = list->data; if (tmp_column == column) break; if (tmp_column->visible) total_width += tmp_column->width; } if (tmp_column != column) { g_warning (G_STRLOC": passed-in column isn't in the tree"); return; } if (x1) *x1 = total_width; if (x2) { if (column->visible) *x2 = total_width + column->width; else *x2 = total_width; /* width of 0 */ } } static void gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view, GtkRBTree *tree, gint *x1, gint *x2) { gint x_offset = 0; GList *list; GtkTreeViewColumn *tmp_column = NULL; gint total_width; gboolean indent_expanders; gboolean rtl; rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); total_width = 0; for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns)); list; list = (rtl ? list->prev : list->next)) { tmp_column = list->data; if (gtk_tree_view_is_expander_column (tree_view, tmp_column)) { if (rtl) x_offset = total_width + tmp_column->width - tree_view->priv->expander_size; else x_offset = total_width; break; } if (tmp_column->visible) total_width += tmp_column->width; } gtk_widget_style_get (GTK_WIDGET (tree_view), "indent_expanders", &indent_expanders, NULL); if (indent_expanders) { if (rtl) x_offset -= tree_view->priv->expander_size * _gtk_rbtree_get_depth (tree); else x_offset += tree_view->priv->expander_size * _gtk_rbtree_get_depth (tree); } if (x1) { *x1 = x_offset; } if (tmp_column && tmp_column->visible) { /* +1 because x2 isn't included in the range. */ if (x2) *x2 = *x1 + tree_view->priv->expander_size + 1; } else { /* return an empty range, the expander column is hidden */ if (x2) *x2 = *x1; } } static void gtk_tree_view_build_tree (GtkTreeView *tree_view, GtkRBTree *tree, GtkTreeIter *iter, gint depth, gboolean recurse) { GtkRBNode *temp = NULL; gboolean is_list = GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST); do { gtk_tree_model_ref_node (tree_view->priv->model, iter); temp = _gtk_rbtree_insert_after (tree, temp, 0, FALSE); if (is_list) continue; if (recurse) { GtkTreeIter child; if (gtk_tree_model_iter_children (tree_view->priv->model, &child, iter)) { temp->children = _gtk_rbtree_new (); temp->children->parent_tree = tree; temp->children->parent_node = temp; gtk_tree_view_build_tree (tree_view, temp->children, &child, depth + 1, recurse); } } if (gtk_tree_model_iter_has_child (tree_view->priv->model, iter)) { if ((temp->flags>K_RBNODE_IS_PARENT) != GTK_RBNODE_IS_PARENT) temp->flags ^= GTK_RBNODE_IS_PARENT; } } while (gtk_tree_model_iter_next (tree_view->priv->model, iter)); } /* If height is non-NULL, then we set it to be the new height. if it's all * dirty, then height is -1. We know we'll remeasure dirty rows, anyways. */ static gboolean gtk_tree_view_discover_dirty_iter (GtkTreeView *tree_view, GtkTreeIter *iter, gint depth, gint *height, GtkRBNode *node) { GtkTreeViewColumn *column; GList *list; gboolean retval = FALSE; gint tmpheight; gint horizontal_separator; gtk_widget_style_get (GTK_WIDGET (tree_view), "horizontal_separator", &horizontal_separator, NULL); if (height) *height = -1; for (list = tree_view->priv->columns; list; list = list->next) { gint width; column = list->data; if (column->dirty == TRUE) continue; if (height == NULL && column->column_type == GTK_TREE_VIEW_COLUMN_FIXED) continue; if (!column->visible) continue; gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, iter, GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT), node->children?TRUE:FALSE); if (height) { gtk_tree_view_column_cell_get_size (column, NULL, NULL, NULL, &width, &tmpheight); *height = MAX (*height, tmpheight); } else { gtk_tree_view_column_cell_get_size (column, NULL, NULL, NULL, &width, NULL); } if (gtk_tree_view_is_expander_column (tree_view, column) && TREE_VIEW_DRAW_EXPANDERS (tree_view)) { if (depth * tree_view->priv->expander_size + horizontal_separator + width > column->requested_width) { _gtk_tree_view_column_cell_set_dirty (column, TRUE); retval = TRUE; } } else { if (horizontal_separator + width > column->requested_width) { _gtk_tree_view_column_cell_set_dirty (column, TRUE); retval = TRUE; } } } return retval; } static void gtk_tree_view_discover_dirty (GtkTreeView *tree_view, GtkRBTree *tree, GtkTreeIter *iter, gint depth) { GtkRBNode *temp = tree->root; GtkTreeViewColumn *column; GList *list; GtkTreeIter child; gboolean is_all_dirty; TREE_VIEW_INTERNAL_ASSERT_VOID (tree != NULL); while (temp->left != tree->nil) temp = temp->left; do { TREE_VIEW_INTERNAL_ASSERT_VOID (temp != NULL); is_all_dirty = TRUE; for (list = tree_view->priv->columns; list; list = list->next) { column = list->data; if (column->dirty == FALSE) { is_all_dirty = FALSE; break; } } if (is_all_dirty) return; gtk_tree_view_discover_dirty_iter (tree_view, iter, depth, NULL, temp); if (gtk_tree_model_iter_children (tree_view->priv->model, &child, iter) && temp->children != NULL) gtk_tree_view_discover_dirty (tree_view, temp->children, &child, depth + 1); temp = _gtk_rbtree_next (tree, temp); } while (gtk_tree_model_iter_next (tree_view->priv->model, iter)); } /* Make sure the node is visible vertically */ static void gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node) { GtkTreePath *path = NULL; if (!GTK_WIDGET_REALIZED (tree_view)) return; path = _gtk_tree_view_find_path (tree_view, tree, node); if (path) { /* We process updates because we want to clear old selected items when we scroll. * if this is removed, we get a "selection streak" at the bottom. */ gdk_window_process_updates (tree_view->priv->bin_window, TRUE); gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0); gtk_tree_path_free (path); } } static void gtk_tree_view_clamp_column_visible (GtkTreeView *tree_view, GtkTreeViewColumn *column) { if (column == NULL) return; if ((tree_view->priv->hadjustment->value + tree_view->priv->hadjustment->page_size) < (column->button->allocation.x + column->button->allocation.width)) gtk_adjustment_set_value (tree_view->priv->hadjustment, column->button->allocation.x + column->button->allocation.width - tree_view->priv->hadjustment->page_size); else if (tree_view->priv->hadjustment->value > column->button->allocation.x) gtk_adjustment_set_value (tree_view->priv->hadjustment, column->button->allocation.x); } /* This function could be more efficient. I'll optimize it if profiling seems * to imply that it is important */ GtkTreePath * _gtk_tree_view_find_path (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node) { GtkTreePath *path; GtkRBTree *tmp_tree; GtkRBNode *tmp_node, *last; gint count; path = gtk_tree_path_new (); g_return_val_if_fail (node != NULL, path); g_return_val_if_fail (node != tree->nil, path); count = 1 + node->left->count; last = node; tmp_node = node->parent; tmp_tree = tree; while (tmp_tree) { while (tmp_node != tmp_tree->nil) { if (tmp_node->right == last) count += 1 + tmp_node->left->count; last = tmp_node; tmp_node = tmp_node->parent; } gtk_tree_path_prepend_index (path, count - 1); last = tmp_tree->parent_node; tmp_tree = tmp_tree->parent_tree; if (last) { count = 1 + last->left->count; tmp_node = last->parent; } } return path; } /* Returns TRUE if we ran out of tree before finding the path. If the path is * invalid (ie. points to a node that's not in the tree), *tree and *node are * both set to NULL. */ gboolean _gtk_tree_view_find_node (GtkTreeView *tree_view, GtkTreePath *path, GtkRBTree **tree, GtkRBNode **node) { GtkRBNode *tmpnode = NULL; GtkRBTree *tmptree = tree_view->priv->tree; gint *indices = gtk_tree_path_get_indices (path); gint depth = gtk_tree_path_get_depth (path); gint i = 0; *node = NULL; *tree = NULL; if (depth == 0 || tmptree == NULL) return FALSE; do { tmpnode = _gtk_rbtree_find_count (tmptree, indices[i] + 1); ++i; if (tmpnode == NULL) { *tree = NULL; *node = NULL; return FALSE; } if (i >= depth) { *tree = tmptree; *node = tmpnode; return FALSE; } *tree = tmptree; *node = tmpnode; tmptree = tmpnode->children; if (tmptree == NULL) return TRUE; } while (1); } static gboolean gtk_tree_view_is_expander_column (GtkTreeView *tree_view, GtkTreeViewColumn *column) { GList *list; if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST)) return FALSE; if (tree_view->priv->expander_column != NULL) { if (tree_view->priv->expander_column == column) return TRUE; return FALSE; } else { for (list = tree_view->priv->columns; list; list = list->next) if (((GtkTreeViewColumn *)list->data)->visible) break; if (list && list->data == column) return TRUE; } return FALSE; } static void gtk_tree_view_add_move_binding (GtkBindingSet *binding_set, guint keyval, guint modmask, GtkMovementStep step, gint count) { gtk_binding_entry_add_signal (binding_set, keyval, modmask, "move_cursor", 2, G_TYPE_ENUM, step, G_TYPE_INT, count); gtk_binding_entry_add_signal (binding_set, keyval, GDK_SHIFT_MASK, "move_cursor", 2, G_TYPE_ENUM, step, G_TYPE_INT, count); if ((modmask & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) return; gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "move_cursor", 2, G_TYPE_ENUM, step, G_TYPE_INT, count); gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK, "move_cursor", 2, G_TYPE_ENUM, step, G_TYPE_INT, count); } static gint gtk_tree_view_unref_tree_helper (GtkTreeModel *model, GtkTreeIter *iter, GtkRBTree *tree, GtkRBNode *node) { gint retval = FALSE; do { g_return_val_if_fail (node != NULL, FALSE); if (node->children) { GtkTreeIter child; GtkRBTree *new_tree; GtkRBNode *new_node; new_tree = node->children; new_node = new_tree->root; while (new_node && new_node->left != new_tree->nil) new_node = new_node->left; if (!gtk_tree_model_iter_children (model, &child, iter)) return FALSE; retval = retval || gtk_tree_view_unref_tree_helper (model, &child, new_tree, new_node); } if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED)) retval = TRUE; gtk_tree_model_unref_node (model, iter); node = _gtk_rbtree_next (tree, node); } while (gtk_tree_model_iter_next (model, iter)); return retval; } static gint gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view, GtkRBTree *tree) { GtkTreeIter iter; GtkTreePath *path; GtkRBNode *node; gint retval; if (!tree) return FALSE; node = tree->root; while (node && node->left != tree->nil) node = node->left; g_return_val_if_fail (node != NULL, FALSE); path = _gtk_tree_view_find_path (tree_view, tree, node); gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->priv->model), &iter, path); retval = gtk_tree_view_unref_tree_helper (GTK_TREE_MODEL (tree_view->priv->model), &iter, tree, node); gtk_tree_path_free (path); return retval; } static void gtk_tree_view_set_column_drag_info (GtkTreeView *tree_view, GtkTreeViewColumn *column) { GtkTreeViewColumn *left_column; GtkTreeViewColumn *cur_column = NULL; GtkTreeViewColumnReorder *reorder; gboolean rtl; GList *tmp_list; gint left; /* We want to precalculate the motion list such that we know what column slots * are available. */ left_column = NULL; rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); /* First, identify all possible drop spots */ if (rtl) tmp_list = g_list_last (tree_view->priv->columns); else tmp_list = g_list_first (tree_view->priv->columns); while (tmp_list) { cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); tmp_list = rtl?g_list_previous (tmp_list):g_list_next (tmp_list); if (cur_column->visible == FALSE) continue; /* If it's not the column moving and func tells us to skip over the column, we continue. */ if (left_column != column && cur_column != column && tree_view->priv->column_drop_func && ! (* tree_view->priv->column_drop_func) (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data)) { left_column = cur_column; continue; } reorder = g_new (GtkTreeViewColumnReorder, 1); reorder->left_column = left_column; left_column = reorder->right_column = cur_column; tree_view->priv->column_drag_info = g_list_append (tree_view->priv->column_drag_info, reorder); } /* Add the last one */ if (tree_view->priv->column_drop_func == NULL || ((left_column != column) && (* tree_view->priv->column_drop_func) (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data))) { reorder = g_new (GtkTreeViewColumnReorder, 1); reorder->left_column = left_column; reorder->right_column = NULL; tree_view->priv->column_drag_info = g_list_append (tree_view->priv->column_drag_info, reorder); } /* We quickly check to see if it even makes sense to reorder columns. */ /* If there is nothing that can be moved, then we return */ if (tree_view->priv->column_drag_info == NULL) return; /* We know there are always 2 slots possbile, as you can always return column. */ /* If that's all there is, return */ if (tree_view->priv->column_drag_info->next->next == NULL && ((GtkTreeViewColumnReorder *)tree_view->priv->column_drag_info->data)->right_column == column && ((GtkTreeViewColumnReorder *)tree_view->priv->column_drag_info->next->data)->left_column == column) { for (tmp_list = tree_view->priv->column_drag_info; tmp_list; tmp_list = tmp_list->next) g_free (tmp_list->data); g_list_free (tree_view->priv->column_drag_info); tree_view->priv->column_drag_info = NULL; return; } /* We fill in the ranges for the columns, now that we've isolated them */ left = - TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER (tree_view); for (tmp_list = tree_view->priv->column_drag_info; tmp_list; tmp_list = tmp_list->next) { reorder = (GtkTreeViewColumnReorder *) tmp_list->data; reorder->left_align = left; if (tmp_list->next != NULL) { g_assert (tmp_list->next->data); left = reorder->right_align = (reorder->right_column->button->allocation.x + reorder->right_column->button->allocation.width + ((GtkTreeViewColumnReorder *)tmp_list->next->data)->left_column->button->allocation.x)/2; } else { gint width; gdk_drawable_get_size (tree_view->priv->header_window, &width, NULL); reorder->right_align = width + TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER (tree_view); } } } void _gtk_tree_view_column_start_drag (GtkTreeView *tree_view, GtkTreeViewColumn *column) { GdkEvent *send_event; GtkAllocation allocation; gint x, y, width, height; GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (tree_view)); GdkDisplay *display = gdk_screen_get_display (screen); g_return_if_fail (tree_view->priv->column_drag_info == NULL); gtk_tree_view_set_column_drag_info (tree_view, column); if (tree_view->priv->column_drag_info == NULL) return; if (tree_view->priv->drag_window == NULL) { GdkWindowAttr attributes; guint attributes_mask; attributes.window_type = GDK_WINDOW_CHILD; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view)); attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view)); attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; tree_view->priv->drag_window = gdk_window_new (tree_view->priv->bin_window, &attributes, attributes_mask); gdk_window_set_user_data (tree_view->priv->drag_window, GTK_WIDGET (tree_view)); } gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME); gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME); gtk_grab_remove (column->button); send_event = gdk_event_new (GDK_LEAVE_NOTIFY); send_event->crossing.send_event = TRUE; send_event->crossing.window = g_object_ref (column->button->window); send_event->crossing.subwindow = NULL; send_event->crossing.detail = GDK_NOTIFY_ANCESTOR; send_event->crossing.time = GDK_CURRENT_TIME; gtk_propagate_event (column->button, send_event); gdk_event_free (send_event); send_event = gdk_event_new (GDK_BUTTON_RELEASE); send_event->button.window = g_object_ref (gdk_screen_get_root_window (screen)); send_event->button.send_event = TRUE; send_event->button.time = GDK_CURRENT_TIME; send_event->button.x = -1; send_event->button.y = -1; send_event->button.axes = NULL; send_event->button.state = 0; send_event->button.button = 1; send_event->button.device = gdk_display_get_core_pointer (display); send_event->button.x_root = 0; send_event->button.y_root = 0; gtk_propagate_event (column->button, send_event); gdk_event_free (send_event); gdk_window_move_resize (tree_view->priv->drag_window, column->button->allocation.x, 0, column->button->allocation.width, column->button->allocation.height); /* Kids, don't try this at home */ g_object_ref (column->button); gtk_container_remove (GTK_CONTAINER (tree_view), column->button); gtk_widget_set_parent_window (column->button, tree_view->priv->drag_window); gtk_widget_set_parent (column->button, GTK_WIDGET (tree_view)); g_object_unref (column->button); tree_view->priv->drag_column_x = column->button->allocation.x; allocation = column->button->allocation; allocation.x = 0; gtk_widget_size_allocate (column->button, &allocation); gtk_widget_set_parent_window (column->button, tree_view->priv->drag_window); tree_view->priv->drag_column = column; gdk_window_show (tree_view->priv->drag_window); gdk_window_get_origin (tree_view->priv->header_window, &x, &y); gdk_drawable_get_size (tree_view->priv->header_window, &width, &height); gtk_widget_grab_focus (GTK_WIDGET (tree_view)); while (gtk_events_pending ()) gtk_main_iteration (); GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG); gdk_pointer_grab (tree_view->priv->drag_window, FALSE, GDK_POINTER_MOTION_MASK|GDK_BUTTON_RELEASE_MASK, NULL, NULL, GDK_CURRENT_TIME); gdk_keyboard_grab (tree_view->priv->drag_window, FALSE, GDK_CURRENT_TIME); } static void gtk_tree_view_queue_draw_arrow (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, GdkRectangle *clip_rect) { GdkRectangle rect; if (!GTK_WIDGET_REALIZED (tree_view)) return; rect.x = 0; rect.width = MAX (tree_view->priv->expander_size, GTK_WIDGET (tree_view)->allocation.width); rect.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node); rect.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)); if (clip_rect) { GdkRectangle new_rect; gdk_rectangle_intersect (clip_rect, &rect, &new_rect); gdk_window_invalidate_rect (tree_view->priv->bin_window, &new_rect, TRUE); } else { gdk_window_invalidate_rect (tree_view->priv->bin_window, &rect, TRUE); } } void _gtk_tree_view_queue_draw_node (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, GdkRectangle *clip_rect) { GdkRectangle rect; if (!GTK_WIDGET_REALIZED (tree_view)) return; rect.x = 0; rect.width = MAX (tree_view->priv->width, GTK_WIDGET (tree_view)->allocation.width); rect.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node); rect.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)); if (clip_rect) { GdkRectangle new_rect; gdk_rectangle_intersect (clip_rect, &rect, &new_rect); gdk_window_invalidate_rect (tree_view->priv->bin_window, &new_rect, TRUE); } else { gdk_window_invalidate_rect (tree_view->priv->bin_window, &rect, TRUE); } } static void gtk_tree_view_queue_draw_path (GtkTreeView *tree_view, GtkTreePath *path, GdkRectangle *clip_rect) { GtkRBTree *tree = NULL; GtkRBNode *node = NULL; _gtk_tree_view_find_node (tree_view, path, &tree, &node); if (tree) _gtk_tree_view_queue_draw_node (tree_view, tree, node, clip_rect); } /* x and y are the mouse position */ static void gtk_tree_view_draw_arrow (GtkTreeView *tree_view, GtkRBTree *tree, GtkRBNode *node, gint x, gint y) { GdkRectangle area; GtkStateType state; GtkWidget *widget; gint x_offset = 0; gint vertical_separator; gint expander_size; GtkExpanderStyle expander_style; gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical_separator", &vertical_separator, NULL); expander_size = tree_view->priv->expander_size - EXPANDER_EXTRA_PADDING; if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT)) return; widget = GTK_WIDGET (tree_view); gtk_tree_view_get_arrow_xrange (tree_view, tree, &x_offset, NULL); area.x = x_offset; area.y = CELL_FIRST_PIXEL (tree_view, tree, node, vertical_separator); area.width = expander_size + 2; area.height = MAX (CELL_HEIGHT (node, vertical_separator), (expander_size - vertical_separator)); if (node == tree_view->priv->button_pressed_node) { if (x >= area.x && x <= (area.x + area.width) && y >= area.y && y <= (area.y + area.height)) state = GTK_STATE_ACTIVE; else state = GTK_STATE_NORMAL; } else { if (node == tree_view->priv->prelight_node && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT)) state = GTK_STATE_PRELIGHT; else state = GTK_STATE_NORMAL; } if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED)) expander_style = GTK_EXPANDER_SEMI_EXPANDED; else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED)) expander_style = GTK_EXPANDER_SEMI_COLLAPSED; else if (node->children != NULL) expander_style = GTK_EXPANDER_EXPANDED; else expander_style = GTK_EXPANDER_COLLAPSED; gtk_paint_expander (widget->style, tree_view->priv->bin_window, state, &area, widget, "treeview", area.x + area.width / 2, area.y + area.height / 2, expander_style); } static void gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view) { GtkTreePath *cursor_path; if ((tree_view->priv->tree == NULL) || (! GTK_WIDGET_REALIZED (tree_view))) return; GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS); cursor_path = NULL; if (tree_view->priv->cursor) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); if (cursor_path == NULL) { cursor_path = gtk_tree_path_new_first (); gtk_tree_row_reference_free (tree_view->priv->cursor); tree_view->priv->cursor = NULL; if (tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE) gtk_tree_view_real_set_cursor (tree_view, cursor_path, FALSE, FALSE); else gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE); } gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL); gtk_tree_path_free (cursor_path); if (tree_view->priv->focus_column == NULL) { GList *list; for (list = tree_view->priv->columns; list; list = list->next) { if (GTK_TREE_VIEW_COLUMN (list->data)->visible) { tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (list->data); break; } } } } static void gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view, gint count) { GtkRBTree *cursor_tree = NULL; GtkRBNode *cursor_node = NULL; GtkRBTree *new_cursor_tree = NULL; GtkRBNode *new_cursor_node = NULL; GtkTreePath *cursor_path = NULL; if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return; cursor_path = NULL; if (!gtk_tree_row_reference_valid (tree_view->priv->cursor)) /* FIXME: we lost the cursor; should we get the first? */ return; cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node); gtk_tree_path_free (cursor_path); if (cursor_tree == NULL) /* FIXME: we lost the cursor; should we get the first? */ return; if (count == -1) _gtk_rbtree_prev_full (cursor_tree, cursor_node, &new_cursor_tree, &new_cursor_node); else _gtk_rbtree_next_full (cursor_tree, cursor_node, &new_cursor_tree, &new_cursor_node); if (new_cursor_node) { cursor_path = _gtk_tree_view_find_path (tree_view, new_cursor_tree, new_cursor_node); gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, TRUE); gtk_tree_path_free (cursor_path); } else { gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node); } gtk_widget_grab_focus (GTK_WIDGET (tree_view)); } static void gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view, gint count) { GtkRBTree *cursor_tree = NULL; GtkRBNode *cursor_node = NULL; GtkTreePath *cursor_path = NULL; gint y; gint vertical_separator; if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return; if (gtk_tree_row_reference_valid (tree_view->priv->cursor)) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); else /* This is sorta weird. Focus in should give us a cursor */ return; gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical_separator", &vertical_separator, NULL); _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node); gtk_tree_path_free (cursor_path); if (cursor_tree == NULL) /* FIXME: we lost the cursor. Should we try to get one? */ return; g_return_if_fail (cursor_node != NULL); y = _gtk_rbtree_node_find_offset (cursor_tree, cursor_node); y += count * tree_view->priv->vadjustment->page_size; if (count > 0) y -= ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (cursor_node)); else if (count < 0) y += ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (cursor_node)); y = CLAMP (y, (gint)tree_view->priv->vadjustment->lower, (gint)tree_view->priv->vadjustment->upper - vertical_separator); if (y > tree_view->priv->height) y = tree_view->priv->height - 1; _gtk_rbtree_find_offset (tree_view->priv->tree, y, &cursor_tree, &cursor_node); cursor_path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node); g_return_if_fail (cursor_path != NULL); gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, TRUE); gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node); gtk_tree_path_free (cursor_path); } static void gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view, gint count) { GtkRBTree *cursor_tree = NULL; GtkRBNode *cursor_node = NULL; GtkTreePath *cursor_path = NULL; GtkTreeViewColumn *column; GtkTreeIter iter; GList *list; gboolean found_column = FALSE; gboolean rtl; rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return; if (gtk_tree_row_reference_valid (tree_view->priv->cursor)) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); else return; _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node); if (cursor_tree == NULL) return; if (gtk_tree_model_get_iter (tree_view->priv->model, &iter, cursor_path) == FALSE) { gtk_tree_path_free (cursor_path); return; } gtk_tree_path_free (cursor_path); list = tree_view->priv->columns; if (tree_view->priv->focus_column) { for (list = tree_view->priv->columns; list; list = list->next) { if (list->data == tree_view->priv->focus_column) break; } } while (list) { column = list->data; if (column->visible == FALSE) goto loop_end; gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, &iter, GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT), cursor_node->children?TRUE:FALSE); if (_gtk_tree_view_column_cell_focus (column, count, list->prev?TRUE:FALSE, list->next?TRUE:FALSE)) { tree_view->priv->focus_column = column; found_column = TRUE; break; } loop_end: if (count == 1) list = rtl ? list->prev : list->next; else list = rtl ? list->next : list->prev; } if (found_column) { if (!gtk_tree_view_has_special_cell (tree_view)) _gtk_tree_view_queue_draw_node (tree_view, cursor_tree, cursor_node, NULL); g_signal_emit (tree_view, tree_view_signals[CURSOR_CHANGED], 0); } gtk_tree_view_clamp_column_visible (tree_view, tree_view->priv->focus_column); } static void gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view, gint count) { GtkRBTree *cursor_tree; GtkRBNode *cursor_node; GtkTreePath *path; if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return; g_return_if_fail (tree_view->priv->tree != NULL); if (count == -1) { cursor_tree = tree_view->priv->tree; cursor_node = cursor_tree->root; while (cursor_node && cursor_node->left != cursor_tree->nil) cursor_node = cursor_node->left; } else { cursor_tree = tree_view->priv->tree; cursor_node = cursor_tree->root; do { while (cursor_node && cursor_node->right != cursor_tree->nil) cursor_node = cursor_node->right; if (cursor_node->children == NULL) break; cursor_tree = cursor_node->children; cursor_node = cursor_tree->root; } while (1); } path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node); gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE); gtk_tree_path_free (path); } static gboolean gtk_tree_view_real_select_all (GtkTreeView *tree_view) { if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return FALSE; if (tree_view->priv->selection->type != GTK_SELECTION_MULTIPLE) return FALSE; gtk_tree_selection_select_all (tree_view->priv->selection); return TRUE; } static gboolean gtk_tree_view_real_unselect_all (GtkTreeView *tree_view) { if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return FALSE; if (tree_view->priv->selection->type != GTK_SELECTION_MULTIPLE) return FALSE; gtk_tree_selection_unselect_all (tree_view->priv->selection); return TRUE; } static gboolean gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view, gboolean start_editing) { GtkRBTree *cursor_tree = NULL; GtkRBNode *cursor_node = NULL; GtkTreePath *cursor_path = NULL; GtkTreeSelectMode mode = 0; if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return FALSE; if (tree_view->priv->cursor) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); if (cursor_path == NULL) return FALSE; _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node); if (cursor_tree == NULL) { gtk_tree_path_free (cursor_path); return FALSE; } if (!tree_view->priv->shift_pressed && start_editing && tree_view->priv->focus_column) { if (gtk_tree_view_start_editing (tree_view, cursor_path)) { gtk_tree_path_free (cursor_path); return TRUE; } } if (tree_view->priv->ctrl_pressed) mode |= GTK_TREE_SELECT_MODE_TOGGLE; if (tree_view->priv->shift_pressed) mode |= GTK_TREE_SELECT_MODE_EXTEND; _gtk_tree_selection_internal_select_node (tree_view->priv->selection, cursor_node, cursor_tree, cursor_path, mode, FALSE); gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node); gtk_widget_grab_focus (GTK_WIDGET (tree_view)); _gtk_tree_view_queue_draw_node (tree_view, cursor_tree, cursor_node, NULL); if (!tree_view->priv->shift_pressed) gtk_tree_view_row_activated (tree_view, cursor_path, tree_view->priv->focus_column); gtk_tree_path_free (cursor_path); return TRUE; } static gboolean gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view) { GtkRBTree *cursor_tree = NULL; GtkRBNode *cursor_node = NULL; GtkTreePath *cursor_path = NULL; if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return FALSE; cursor_path = NULL; if (tree_view->priv->cursor) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); if (cursor_path == NULL) return FALSE; _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node); if (cursor_tree == NULL) { gtk_tree_path_free (cursor_path); return FALSE; } _gtk_tree_selection_internal_select_node (tree_view->priv->selection, cursor_node, cursor_tree, cursor_path, GTK_TREE_SELECT_MODE_TOGGLE, FALSE); gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node); gtk_widget_grab_focus (GTK_WIDGET (tree_view)); gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL); gtk_tree_path_free (cursor_path); return TRUE; } static gboolean gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view, gboolean logical, gboolean expand, gboolean open_all) { GtkTreePath *cursor_path = NULL; GtkRBTree *tree; GtkRBNode *node; if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return FALSE; cursor_path = NULL; if (tree_view->priv->cursor) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); if (cursor_path == NULL) return FALSE; if (_gtk_tree_view_find_node (tree_view, cursor_path, &tree, &node)) return FALSE; gtk_widget_grab_focus (GTK_WIDGET (tree_view)); gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL); if (!logical && gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL) expand = !expand; if (expand) gtk_tree_view_real_expand_row (tree_view, cursor_path, tree, node, open_all, TRUE); else gtk_tree_view_real_collapse_row (tree_view, cursor_path, tree, node, TRUE); gtk_tree_path_free (cursor_path); return TRUE; } static gboolean gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view) { GtkRBTree *cursor_tree = NULL; GtkRBNode *cursor_node = NULL; GtkTreePath *cursor_path = NULL; if (! GTK_WIDGET_HAS_FOCUS (tree_view)) return FALSE; cursor_path = NULL; if (tree_view->priv->cursor) cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); if (cursor_path == NULL) return FALSE; _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node); if (cursor_tree == NULL) { gtk_tree_path_free (cursor_path); return FALSE; } if (cursor_tree->parent_node) { gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL); cursor_node = cursor_tree->parent_node; cursor_tree = cursor_tree->parent_tree; gtk_tree_path_up (cursor_path); gtk_tree_row_reference_free (tree_view->priv->cursor); tree_view->priv->cursor = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, cursor_path); _gtk_tree_selection_internal_select_node (tree_view->priv->selection, cursor_node, cursor_tree, cursor_path, 0, FALSE); } gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node); gtk_widget_grab_focus (GTK_WIDGET (tree_view)); gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL); gtk_tree_path_free (cursor_path); return TRUE; } static gboolean gtk_tree_view_search_entry_flush_timeout (GtkTreeView *tree_view) { gtk_tree_view_search_dialog_hide (tree_view->priv->search_window, tree_view); tree_view->priv->typeselect_flush_timeout = 0; return TRUE; } /* Cut and paste from gtkwindow.c */ static void send_focus_change (GtkWidget *widget, gboolean in) { GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE); g_object_ref (widget); if (in) GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); else GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); fevent->focus_change.type = GDK_FOCUS_CHANGE; fevent->focus_change.window = g_object_ref (widget->window); fevent->focus_change.in = in; gtk_widget_event (widget, fevent); g_object_notify (G_OBJECT (widget), "has_focus"); g_object_unref (widget); gdk_event_free (fevent); } static void gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view) { GtkWidget *frame, *vbox; if (tree_view->priv->search_window != NULL) return; tree_view->priv->search_window = gtk_window_new (GTK_WINDOW_POPUP); gtk_window_set_modal (GTK_WINDOW (tree_view->priv->search_window), TRUE); g_signal_connect (tree_view->priv->search_window, "delete_event", G_CALLBACK (gtk_tree_view_search_delete_event), tree_view); g_signal_connect (tree_view->priv->search_window, "key_press_event", G_CALLBACK (gtk_tree_view_search_key_press_event), tree_view); g_signal_connect (tree_view->priv->search_window, "button_press_event", G_CALLBACK (gtk_tree_view_search_button_press_event), tree_view); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); gtk_widget_show (frame); gtk_container_add (GTK_CONTAINER (tree_view->priv->search_window), frame); vbox = gtk_vbox_new (FALSE, 0); gtk_widget_show (vbox); gtk_container_add (GTK_CONTAINER (frame), vbox); gtk_container_set_border_width (GTK_CONTAINER (vbox), 3); /* add entry */ tree_view->priv->search_entry = gtk_entry_new (); gtk_widget_show (tree_view->priv->search_entry); g_signal_connect (tree_view->priv->search_entry, "populate_popup", G_CALLBACK (gtk_tree_view_search_disable_popdown), tree_view); g_signal_connect (GTK_ENTRY (tree_view->priv->search_entry)->im_context, "preedit-changed", G_CALLBACK (gtk_tree_view_search_preedit_changed), tree_view); gtk_container_add (GTK_CONTAINER (vbox), tree_view->priv->search_entry); gtk_widget_realize (tree_view->priv->search_entry); } /* Pops up the interactive search entry. If keybinding is TRUE then the user * started this by typing the start_interactive_search keybinding. Otherwise, it came from */ static gboolean gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view, gboolean keybinding) { /* We only start interactive search if we have focus or the columns * have focus. If one of our children have focus, we don't want to * start the search. */ GList *list; gboolean found_focus = FALSE; GtkWidgetClass *entry_parent_class; if (GTK_WIDGET_VISIBLE (tree_view->priv->search_window)) return TRUE; for (list = tree_view->priv->columns; list; list = list->next) { GtkTreeViewColumn *column; column = list->data; if (! column->visible) continue; if (GTK_WIDGET_HAS_FOCUS (column->button)) { found_focus = TRUE; break; } } if (GTK_WIDGET_HAS_FOCUS (tree_view)) found_focus = TRUE; if (! found_focus) return FALSE; if (tree_view->priv->enable_search == FALSE || tree_view->priv->search_column < 0) return FALSE; gtk_tree_view_ensure_interactive_directory (tree_view); if (keybinding) { gtk_entry_set_text (GTK_ENTRY (tree_view->priv->search_entry), ""); } /* done, show it */ tree_view->priv->search_dialog_position_func (tree_view, tree_view->priv->search_window); gtk_widget_show (tree_view->priv->search_window); if (tree_view->priv->search_entry_changed_id == 0) { tree_view->priv->search_entry_changed_id = g_signal_connect (tree_view->priv->search_entry, "changed", G_CALLBACK (gtk_tree_view_search_init), tree_view); } if (! keybinding) { tree_view->priv->typeselect_flush_timeout = g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, tree_view); } /* Grab focus will select all the text. We don't want that to happen, so we * call the parent instance and bypass the selection change. This is probably * really non-kosher. */ entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (tree_view->priv->search_entry)); (entry_parent_class->grab_focus) (tree_view->priv->search_entry); /* send focus-in event */ send_focus_change (tree_view->priv->search_entry, TRUE); /* search first matching iter */ gtk_tree_view_search_init (tree_view->priv->search_entry, tree_view); return TRUE; } static gboolean gtk_tree_view_start_interactive_search (GtkTreeView *tree_view) { return gtk_tree_view_real_start_interactive_search (tree_view, FALSE); } /* this function returns the new width of the column being resized given * the column and x position of the cursor; the x cursor position is passed * in as a pointer and automagicly corrected if it's beyond min/max limits */ static gint gtk_tree_view_new_column_width (GtkTreeView *tree_view, gint i, gint *x) { GtkTreeViewColumn *column; gint width; gboolean rtl; /* first translate the x position from widget->window * to clist->clist_window */ rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); column = g_list_nth (tree_view->priv->columns, i)->data; width = rtl ? (column->button->allocation.x + column->button->allocation.width - *x) : (*x - column->button->allocation.x); /* Clamp down the value */ if (column->min_width == -1) width = MAX (column->button->requisition.width, width); else width = MAX (column->min_width, width); if (column->max_width != -1) width = MIN (width, column->max_width != -1); *x = rtl ? (column->button->allocation.x + column->button->allocation.width - width) : (column->button->allocation.x + width); return width; } /* FIXME this adjust_allocation is a big cut-and-paste from * GtkCList, needs to be some "official" way to do this * factored out. */ typedef struct { GdkWindow *window; int dx; int dy; } ScrollData; /* The window to which widget->window is relative */ #define ALLOCATION_WINDOW(widget) \ (GTK_WIDGET_NO_WINDOW (widget) ? \ (widget)->window : \ gdk_window_get_parent ((widget)->window)) static void adjust_allocation_recurse (GtkWidget *widget, gpointer data) { ScrollData *scroll_data = data; /* Need to really size allocate instead of just poking * into widget->allocation if the widget is not realized. * FIXME someone figure out why this was. */ if (!GTK_WIDGET_REALIZED (widget)) { if (GTK_WIDGET_VISIBLE (widget)) { GdkRectangle tmp_rectangle = widget->allocation; tmp_rectangle.x += scroll_data->dx; tmp_rectangle.y += scroll_data->dy; gtk_widget_size_allocate (widget, &tmp_rectangle); } } else { if (ALLOCATION_WINDOW (widget) == scroll_data->window) { widget->allocation.x += scroll_data->dx; widget->allocation.y += scroll_data->dy; if (GTK_IS_CONTAINER (widget)) gtk_container_forall (GTK_CONTAINER (widget), adjust_allocation_recurse, data); } } } static void adjust_allocation (GtkWidget *widget, int dx, int dy) { ScrollData scroll_data; if (GTK_WIDGET_REALIZED (widget)) scroll_data.window = ALLOCATION_WINDOW (widget); else scroll_data.window = NULL; scroll_data.dx = dx; scroll_data.dy = dy; adjust_allocation_recurse (widget, &scroll_data); } /* Callbacks */ static void gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment, GtkTreeView *tree_view) { if (GTK_WIDGET_REALIZED (tree_view)) { gint dy; gdk_window_move (tree_view->priv->bin_window, - tree_view->priv->hadjustment->value, TREE_VIEW_HEADER_HEIGHT (tree_view)); gdk_window_move (tree_view->priv->header_window, - tree_view->priv->hadjustment->value, 0); dy = tree_view->priv->dy - (int) tree_view->priv->vadjustment->value; if (dy && tree_view->priv->edited_column) { if (GTK_IS_WIDGET (tree_view->priv->edited_column->editable_widget)) { GList *list; GtkWidget *widget; GtkTreeViewChild *child = NULL; widget = GTK_WIDGET (tree_view->priv->edited_column->editable_widget); adjust_allocation (widget, 0, dy); for (list = tree_view->priv->children; list; list = list->next) { child = (GtkTreeViewChild *)list->data; if (child->widget == widget) { child->y += dy; break; } } } } gdk_window_scroll (tree_view->priv->bin_window, 0, dy); /* update our dy and top_row */ tree_view->priv->dy = (int) tree_view->priv->vadjustment->value; gtk_tree_view_dy_to_top_row (tree_view); } } /* Public methods */ /** * gtk_tree_view_new: * * Creates a new #GtkTreeView widget. * * Return value: A newly created #GtkTreeView widget. **/ GtkWidget * gtk_tree_view_new (void) { return g_object_new (GTK_TYPE_TREE_VIEW, NULL); } /** * gtk_tree_view_new_with_model: * @model: the model. * * Creates a new #GtkTreeView widget with the model initialized to @model. * * Return value: A newly created #GtkTreeView widget. **/ GtkWidget * gtk_tree_view_new_with_model (GtkTreeModel *model) { return g_object_new (GTK_TYPE_TREE_VIEW, "model", model, NULL); } /* Public Accessors */ /** * gtk_tree_view_get_model: * @tree_view: a #GtkTreeView * * Returns the model the the #GtkTreeView is based on. Returns %NULL if the * model is unset. * * Return value: A #GtkTreeModel, or %NULL if none is currently being used. **/ GtkTreeModel * gtk_tree_view_get_model (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); return tree_view->priv->model; } /** * gtk_tree_view_set_model: * @tree_view: A #GtkTreeNode. * @model: The model. * * Sets the model for a #GtkTreeView. If the @tree_view already has a model * set, it will remove it before setting the new model. If @model is %NULL, * then it will unset the old model. **/ void gtk_tree_view_set_model (GtkTreeView *tree_view, GtkTreeModel *model) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (model != NULL) g_return_if_fail (GTK_IS_TREE_MODEL (model)); if (model == tree_view->priv->model) return; if (tree_view->priv->model) { GList *tmplist = tree_view->priv->columns; gtk_tree_view_unref_and_check_selection_tree (tree_view, tree_view->priv->tree); gtk_tree_view_stop_editing (tree_view, TRUE); g_signal_handlers_disconnect_by_func (tree_view->priv->model, gtk_tree_view_row_changed, tree_view); g_signal_handlers_disconnect_by_func (tree_view->priv->model, gtk_tree_view_row_inserted, tree_view); g_signal_handlers_disconnect_by_func (tree_view->priv->model, gtk_tree_view_row_has_child_toggled, tree_view); g_signal_handlers_disconnect_by_func (tree_view->priv->model, gtk_tree_view_row_deleted, tree_view); g_signal_handlers_disconnect_by_func (tree_view->priv->model, gtk_tree_view_rows_reordered, tree_view); for (; tmplist; tmplist = tmplist->next) _gtk_tree_view_column_unset_model (tmplist->data, tree_view->priv->model); if (tree_view->priv->tree) { _gtk_rbtree_free (tree_view->priv->tree); tree_view->priv->tree = NULL; } tree_view->priv->prelight_node = NULL; tree_view->priv->prelight_tree = NULL; tree_view->priv->button_pressed_node = NULL; tree_view->priv->button_pressed_tree = NULL; gtk_tree_row_reference_free (tree_view->priv->drag_dest_row); tree_view->priv->drag_dest_row = NULL; gtk_tree_row_reference_free (tree_view->priv->cursor); tree_view->priv->cursor = NULL; gtk_tree_row_reference_free (tree_view->priv->anchor); tree_view->priv->anchor = NULL; gtk_tree_row_reference_free (tree_view->priv->top_row); tree_view->priv->top_row = NULL; gtk_tree_row_reference_free (tree_view->priv->last_button_press); tree_view->priv->last_button_press = NULL; gtk_tree_row_reference_free (tree_view->priv->last_button_press_2); tree_view->priv->last_button_press_2 = NULL; gtk_tree_row_reference_free (tree_view->priv->scroll_to_path); tree_view->priv->scroll_to_path = NULL; tree_view->priv->scroll_to_column = NULL; g_object_unref (tree_view->priv->model); tree_view->priv->search_column = -1; tree_view->priv->fixed_height_check = 0; tree_view->priv->fixed_height = -1; tree_view->priv->dy = tree_view->priv->top_row_dy = 0; } tree_view->priv->model = model; if (tree_view->priv->model) { gint i; GtkTreePath *path; GtkTreeIter iter; GtkTreeModelFlags flags; if (tree_view->priv->search_column == -1) { for (i = 0; i < gtk_tree_model_get_n_columns (model); i++) { GType type = gtk_tree_model_get_column_type (model, i); if (g_value_type_transformable (type, G_TYPE_STRING)) { tree_view->priv->search_column = i; break; } } } g_object_ref (tree_view->priv->model); g_signal_connect (tree_view->priv->model, "row_changed", G_CALLBACK (gtk_tree_view_row_changed), tree_view); g_signal_connect (tree_view->priv->model, "row_inserted", G_CALLBACK (gtk_tree_view_row_inserted), tree_view); g_signal_connect (tree_view->priv->model, "row_has_child_toggled", G_CALLBACK (gtk_tree_view_row_has_child_toggled), tree_view); g_signal_connect (tree_view->priv->model, "row_deleted", G_CALLBACK (gtk_tree_view_row_deleted), tree_view); g_signal_connect (tree_view->priv->model, "rows_reordered", G_CALLBACK (gtk_tree_view_rows_reordered), tree_view); flags = gtk_tree_model_get_flags (tree_view->priv->model); if ((flags & GTK_TREE_MODEL_LIST_ONLY) == GTK_TREE_MODEL_LIST_ONLY) GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST); else GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST); path = gtk_tree_path_new_first (); if (gtk_tree_model_get_iter (tree_view->priv->model, &iter, path)) { tree_view->priv->tree = _gtk_rbtree_new (); gtk_tree_view_build_tree (tree_view, tree_view->priv->tree, &iter, 1, FALSE); } gtk_tree_path_free (path); /* FIXME: do I need to do this? gtk_tree_view_create_buttons (tree_view); */ install_presize_handler (tree_view); } g_object_notify (G_OBJECT (tree_view), "model"); if (GTK_WIDGET_REALIZED (tree_view)) gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } /** * gtk_tree_view_get_selection: * @tree_view: A #GtkTreeView. * * Gets the #GtkTreeSelection associated with @tree_view. * * Return value: A #GtkTreeSelection object. **/ GtkTreeSelection * gtk_tree_view_get_selection (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); return tree_view->priv->selection; } /** * gtk_tree_view_get_hadjustment: * @tree_view: A #GtkTreeView * * Gets the #GtkAdjustment currently being used for the horizontal aspect. * * Return value: A #GtkAdjustment object, or %NULL if none is currently being * used. **/ GtkAdjustment * gtk_tree_view_get_hadjustment (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); if (tree_view->priv->hadjustment == NULL) gtk_tree_view_set_hadjustment (tree_view, NULL); return tree_view->priv->hadjustment; } /** * gtk_tree_view_set_hadjustment: * @tree_view: A #GtkTreeView * @adjustment: The #GtkAdjustment to set, or %NULL * * Sets the #GtkAdjustment for the current horizontal aspect. **/ void gtk_tree_view_set_hadjustment (GtkTreeView *tree_view, GtkAdjustment *adjustment) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); gtk_tree_view_set_adjustments (tree_view, adjustment, tree_view->priv->vadjustment); g_object_notify (G_OBJECT (tree_view), "hadjustment"); } /** * gtk_tree_view_get_vadjustment: * @tree_view: A #GtkTreeView * * Gets the #GtkAdjustment currently being used for the vertical aspect. * * Return value: A #GtkAdjustment object, or %NULL if none is currently being * used. **/ GtkAdjustment * gtk_tree_view_get_vadjustment (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); if (tree_view->priv->vadjustment == NULL) gtk_tree_view_set_vadjustment (tree_view, NULL); return tree_view->priv->vadjustment; } /** * gtk_tree_view_set_vadjustment: * @tree_view: A #GtkTreeView * @adjustment: The #GtkAdjustment to set, or %NULL * * Sets the #GtkAdjustment for the current vertical aspect. **/ void gtk_tree_view_set_vadjustment (GtkTreeView *tree_view, GtkAdjustment *adjustment) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); gtk_tree_view_set_adjustments (tree_view, tree_view->priv->hadjustment, adjustment); g_object_notify (G_OBJECT (tree_view), "vadjustment"); } /* Column and header operations */ /** * gtk_tree_view_get_headers_visible: * @tree_view: A #GtkTreeView. * * Returns %TRUE if the headers on the @tree_view are visible. * * Return value: Whether the headers are visible or not. **/ gboolean gtk_tree_view_get_headers_visible (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); return GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE); } /** * gtk_tree_view_set_headers_visible: * @tree_view: A #GtkTreeView. * @headers_visible: %TRUE if the headers are visible * * Sets the the visibility state of the headers. **/ void gtk_tree_view_set_headers_visible (GtkTreeView *tree_view, gboolean headers_visible) { gint x, y; GList *list; GtkTreeViewColumn *column; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); headers_visible = !! headers_visible; if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE) == headers_visible) return; if (headers_visible) GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE); else GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE); if (GTK_WIDGET_REALIZED (tree_view)) { gdk_window_get_position (tree_view->priv->bin_window, &x, &y); if (headers_visible) { gdk_window_move_resize (tree_view->priv->bin_window, x, y + TREE_VIEW_HEADER_HEIGHT (tree_view), tree_view->priv->width, GTK_WIDGET (tree_view)->allocation.height - + TREE_VIEW_HEADER_HEIGHT (tree_view)); if (GTK_WIDGET_MAPPED (tree_view)) gtk_tree_view_map_buttons (tree_view); } else { gdk_window_move_resize (tree_view->priv->bin_window, x, y, tree_view->priv->width, tree_view->priv->height); for (list = tree_view->priv->columns; list; list = list->next) { column = list->data; gtk_widget_unmap (column->button); } gdk_window_hide (tree_view->priv->header_window); } } tree_view->priv->vadjustment->page_size = GTK_WIDGET (tree_view)->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view); tree_view->priv->vadjustment->page_increment = (GTK_WIDGET (tree_view)->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view)) / 2; tree_view->priv->vadjustment->lower = 0; tree_view->priv->vadjustment->upper = tree_view->priv->height; gtk_adjustment_changed (tree_view->priv->vadjustment); gtk_widget_queue_resize (GTK_WIDGET (tree_view)); g_object_notify (G_OBJECT (tree_view), "headers_visible"); } /** * gtk_tree_view_columns_autosize: * @tree_view: A #GtkTreeView. * * Resizes all columns to their optimal width. Only works after the * treeview has been realized. **/ void gtk_tree_view_columns_autosize (GtkTreeView *tree_view) { gboolean dirty = FALSE; GList *list; GtkTreeViewColumn *column; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); for (list = tree_view->priv->columns; list; list = list->next) { column = list->data; if (column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE) continue; _gtk_tree_view_column_cell_set_dirty (column, TRUE); dirty = TRUE; } if (dirty) gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } /** * gtk_tree_view_set_headers_clickable: * @tree_view: A #GtkTreeView. * @setting: %TRUE if the columns are clickable. * * Allow the column title buttons to be clicked. **/ void gtk_tree_view_set_headers_clickable (GtkTreeView *tree_view, gboolean setting) { GList *list; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (tree_view->priv->model != NULL); for (list = tree_view->priv->columns; list; list = list->next) gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (list->data), setting); g_object_notify (G_OBJECT (tree_view), "headers_clickable"); } /** * gtk_tree_view_set_rules_hint * @tree_view: a #GtkTreeView * @setting: %TRUE if the tree requires reading across rows * * This function tells GTK+ that the user interface for your * application requires users to read across tree rows and associate * cells with one another. By default, GTK+ will then render the tree * with alternating row colors. Do not use it * just because you prefer the appearance of the ruled tree; that's a * question for the theme. Some themes will draw tree rows in * alternating colors even when rules are turned off, and users who * prefer that appearance all the time can choose those themes. You * should call this function only as a semantic * hint to the theme engine that your tree makes alternating colors * useful from a functional standpoint (since it has lots of columns, * generally). * **/ void gtk_tree_view_set_rules_hint (GtkTreeView *tree_view, gboolean setting) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); setting = setting != FALSE; if (tree_view->priv->has_rules != setting) { tree_view->priv->has_rules = setting; gtk_widget_queue_draw (GTK_WIDGET (tree_view)); } g_object_notify (G_OBJECT (tree_view), "rules_hint"); } /** * gtk_tree_view_get_rules_hint * @tree_view: a #GtkTreeView * * Gets the setting set by gtk_tree_view_set_rules_hint(). * * Return value: %TRUE if rules are useful for the user of this tree **/ gboolean gtk_tree_view_get_rules_hint (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); return tree_view->priv->has_rules; } /* Public Column functions */ /** * gtk_tree_view_append_column: * @tree_view: A #GtkTreeView. * @column: The #GtkTreeViewColumn to add. * * Appends @column to the list of columns. If @tree_view has "fixed_height" * mode enbabled, then @column must have its "sizing" property set to be * GTK_TREE_VIEW_COLUMN_FIXED. * * Return value: The number of columns in @tree_view after appending. **/ gint gtk_tree_view_append_column (GtkTreeView *tree_view, GtkTreeViewColumn *column) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1); g_return_val_if_fail (column->tree_view == NULL, -1); return gtk_tree_view_insert_column (tree_view, column, -1); } /** * gtk_tree_view_remove_column: * @tree_view: A #GtkTreeView. * @column: The #GtkTreeViewColumn to remove. * * Removes @column from @tree_view. * * Return value: The number of columns in @tree_view after removing. **/ gint gtk_tree_view_remove_column (GtkTreeView *tree_view, GtkTreeViewColumn *column) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1); g_return_val_if_fail (column->tree_view == GTK_WIDGET (tree_view), -1); if (tree_view->priv->focus_column == column) tree_view->priv->focus_column = NULL; if (tree_view->priv->edited_column == column) { gtk_tree_view_stop_editing (tree_view, TRUE); /* no need to, but just to be sure ... */ tree_view->priv->edited_column = NULL; } g_signal_handlers_disconnect_by_func (column, G_CALLBACK (column_sizing_notify), tree_view); _gtk_tree_view_column_unset_tree_view (column); tree_view->priv->columns = g_list_remove (tree_view->priv->columns, column); tree_view->priv->n_columns--; if (GTK_WIDGET_REALIZED (tree_view)) { GList *list; _gtk_tree_view_column_unrealize_button (column); for (list = tree_view->priv->columns; list; list = list->next) { GtkTreeViewColumn *tmp_column; tmp_column = GTK_TREE_VIEW_COLUMN (list->data); if (tmp_column->visible) _gtk_tree_view_column_cell_set_dirty (tmp_column, TRUE); } if (tree_view->priv->n_columns == 0 && gtk_tree_view_get_headers_visible (tree_view)) gdk_window_hide (tree_view->priv->header_window); gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } g_object_unref (column); g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0); return tree_view->priv->n_columns; } /** * gtk_tree_view_insert_column: * @tree_view: A #GtkTreeView. * @column: The #GtkTreeViewColumn to be inserted. * @position: The position to insert @column in. * * This inserts the @column into the @tree_view at @position. If @position is * -1, then the column is inserted at the end. If @tree_view has * "fixed_height" mode enabled, then @column must have its "sizing" property * set to be GTK_TREE_VIEW_COLUMN_FIXED. * * Return value: The number of columns in @tree_view after insertion. **/ gint gtk_tree_view_insert_column (GtkTreeView *tree_view, GtkTreeViewColumn *column, gint position) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1); g_return_val_if_fail (column->tree_view == NULL, -1); if (tree_view->priv->fixed_height_mode) g_return_val_if_fail (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_FIXED, -1); g_object_ref (column); gtk_object_sink (GTK_OBJECT (column)); if (tree_view->priv->n_columns == 0 && GTK_WIDGET_REALIZED (tree_view) && gtk_tree_view_get_headers_visible (tree_view)) { gdk_window_show (tree_view->priv->header_window); } g_signal_connect (column, "notify::sizing", G_CALLBACK (column_sizing_notify), tree_view); tree_view->priv->columns = g_list_insert (tree_view->priv->columns, column, position); tree_view->priv->n_columns++; _gtk_tree_view_column_set_tree_view (column, tree_view); if (GTK_WIDGET_REALIZED (tree_view)) { GList *list; _gtk_tree_view_column_realize_button (column); for (list = tree_view->priv->columns; list; list = list->next) { column = GTK_TREE_VIEW_COLUMN (list->data); if (column->visible) _gtk_tree_view_column_cell_set_dirty (column, TRUE); } gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0); return tree_view->priv->n_columns; } /** * gtk_tree_view_insert_column_with_attributes: * @tree_view: A #GtkTreeView * @position: The position to insert the new column in. * @title: The title to set the header to. * @cell: The #GtkCellRenderer. * @Varargs: A %NULL-terminated list of attributes. * * Creates a new #GtkTreeViewColumn and inserts it into the @tree_view at * @position. If @position is -1, then the newly created column is inserted at * the end. The column is initialized with the attributes given. If @tree_view * has "fixed_height" mode enabled, then @column must have its sizing * property set to be GTK_TREE_VIEW_COLUMN_FIXED. * * Return value: The number of columns in @tree_view after insertion. **/ gint gtk_tree_view_insert_column_with_attributes (GtkTreeView *tree_view, gint position, const gchar *title, GtkCellRenderer *cell, ...) { GtkTreeViewColumn *column; gchar *attribute; va_list args; gint column_id; g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); column = gtk_tree_view_column_new (); gtk_tree_view_column_set_title (column, title); gtk_tree_view_column_pack_start (column, cell, TRUE); va_start (args, cell); attribute = va_arg (args, gchar *); while (attribute != NULL) { column_id = va_arg (args, gint); gtk_tree_view_column_add_attribute (column, cell, attribute, column_id); attribute = va_arg (args, gchar *); } va_end (args); gtk_tree_view_insert_column (tree_view, column, position); return tree_view->priv->n_columns; } /** * gtk_tree_view_insert_column_with_data_func: * @tree_view: a #GtkTreeView * @position: Position to insert, -1 for append * @title: column title * @cell: cell renderer for column * @func: function to set attributes of cell renderer * @data: data for @func * @dnotify: destroy notifier for @data * * Convenience function that inserts a new column into the #GtkTreeView * with the given cell renderer and a #GtkCellDataFunc to set cell renderer * attributes (normally using data from the model). See also * gtk_tree_view_column_set_cell_data_func(), gtk_tree_view_column_pack_start(). * If @tree_view has "fixed_height" mode enabled, then @column must have its * "sizing" property set to be GTK_TREE_VIEW_COLUMN_FIXED. * * Return value: number of columns in the tree view post-insert **/ gint gtk_tree_view_insert_column_with_data_func (GtkTreeView *tree_view, gint position, const gchar *title, GtkCellRenderer *cell, GtkTreeCellDataFunc func, gpointer data, GDestroyNotify dnotify) { GtkTreeViewColumn *column; g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); column = gtk_tree_view_column_new (); gtk_tree_view_column_set_title (column, title); gtk_tree_view_column_pack_start (column, cell, TRUE); gtk_tree_view_column_set_cell_data_func (column, cell, func, data, dnotify); gtk_tree_view_insert_column (tree_view, column, position); return tree_view->priv->n_columns; } /** * gtk_tree_view_get_column: * @tree_view: A #GtkTreeView. * @n: The position of the column, counting from 0. * * Gets the #GtkTreeViewColumn at the given position in the #tree_view. * * Return value: The #GtkTreeViewColumn, or %NULL if the position is outside the * range of columns. **/ GtkTreeViewColumn * gtk_tree_view_get_column (GtkTreeView *tree_view, gint n) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); if (n < 0 || n >= tree_view->priv->n_columns) return NULL; if (tree_view->priv->columns == NULL) return NULL; return GTK_TREE_VIEW_COLUMN (g_list_nth (tree_view->priv->columns, n)->data); } /** * gtk_tree_view_get_columns: * @tree_view: A #GtkTreeView * * Returns a #GList of all the #GtkTreeViewColumn s currently in @tree_view. * The returned list must be freed with g_list_free (). * * Return value: A list of #GtkTreeViewColumn s **/ GList * gtk_tree_view_get_columns (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); return g_list_copy (tree_view->priv->columns); } /** * gtk_tree_view_move_column_after: * @tree_view: A #GtkTreeView * @column: The #GtkTreeViewColumn to be moved. * @base_column: The #GtkTreeViewColumn to be moved relative to, or %NULL. * * Moves @column to be after to @base_column. If @base_column is %NULL, then * @column is placed in the first position. **/ void gtk_tree_view_move_column_after (GtkTreeView *tree_view, GtkTreeViewColumn *column, GtkTreeViewColumn *base_column) { GList *column_list_el, *base_el = NULL; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); column_list_el = g_list_find (tree_view->priv->columns, column); g_return_if_fail (column_list_el != NULL); if (base_column) { base_el = g_list_find (tree_view->priv->columns, base_column); g_return_if_fail (base_el != NULL); } if (column_list_el->prev == base_el) return; tree_view->priv->columns = g_list_remove_link (tree_view->priv->columns, column_list_el); if (base_el == NULL) { column_list_el->prev = NULL; column_list_el->next = tree_view->priv->columns; if (column_list_el->next) column_list_el->next->prev = column_list_el; tree_view->priv->columns = column_list_el; } else { column_list_el->prev = base_el; column_list_el->next = base_el->next; if (column_list_el->next) column_list_el->next->prev = column_list_el; base_el->next = column_list_el; } if (GTK_WIDGET_REALIZED (tree_view)) { gtk_widget_queue_resize (GTK_WIDGET (tree_view)); gtk_tree_view_size_allocate_columns (GTK_WIDGET (tree_view)); } g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0); } /** * gtk_tree_view_set_expander_column: * @tree_view: A #GtkTreeView * @column: %NULL, or the column to draw the expander arrow at. * * Sets the column to draw the expander arrow at. It must be in @tree_view. If * @column is %NULL, then the expander arrow is always at the first visible * column. **/ void gtk_tree_view_set_expander_column (GtkTreeView *tree_view, GtkTreeViewColumn *column) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (column != NULL) g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (column)); if (tree_view->priv->expander_column != column) { GList *list; if (column) { /* Confirm that column is in tree_view */ for (list = tree_view->priv->columns; list; list = list->next) if (list->data == column) break; g_return_if_fail (list != NULL); } tree_view->priv->expander_column = column; g_object_notify (G_OBJECT (tree_view), "expander_column"); } } /** * gtk_tree_view_get_expander_column: * @tree_view: A #GtkTreeView * * Returns the column that is the current expander column. This * column has the expander arrow drawn next to it. * * Return value: The expander column. **/ GtkTreeViewColumn * gtk_tree_view_get_expander_column (GtkTreeView *tree_view) { GList *list; g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); for (list = tree_view->priv->columns; list; list = list->next) if (gtk_tree_view_is_expander_column (tree_view, GTK_TREE_VIEW_COLUMN (list->data))) return (GtkTreeViewColumn *) list->data; return NULL; } /** * gtk_tree_view_set_column_drag_function: * @tree_view: A #GtkTreeView. * @func: A function to determine which columns are reorderable, or %NULL. * @user_data: User data to be passed to @func, or %NULL * @destroy: Destroy notifier for @user_data, or %NULL * * Sets a user function for determining where a column may be dropped when * dragged. This function is called on every column pair in turn at the * beginning of a column drag to determine where a drop can take place. The * arguments passed to @func are: the @tree_view, the #GtkTreeViewColumn being * dragged, the two #GtkTreeViewColumn s determining the drop spot, and * @user_data. If either of the #GtkTreeViewColumn arguments for the drop spot * are %NULL, then they indicate an edge. If @func is set to be %NULL, then * @tree_view reverts to the default behavior of allowing all columns to be * dropped everywhere. **/ void gtk_tree_view_set_column_drag_function (GtkTreeView *tree_view, GtkTreeViewColumnDropFunc func, gpointer user_data, GtkDestroyNotify destroy) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (tree_view->priv->column_drop_func_data_destroy) (* tree_view->priv->column_drop_func_data_destroy) (tree_view->priv->column_drop_func_data); tree_view->priv->column_drop_func = func; tree_view->priv->column_drop_func_data = user_data; tree_view->priv->column_drop_func_data_destroy = destroy; } /** * gtk_tree_view_scroll_to_point: * @tree_view: a #GtkTreeView * @tree_x: X coordinate of new top-left pixel of visible area, or -1 * @tree_y: Y coordinate of new top-left pixel of visible area, or -1 * * Scrolls the tree view such that the top-left corner of the visible * area is @tree_x, @tree_y, where @tree_x and @tree_y are specified * in tree window coordinates. The @tree_view must be realized before * this function is called. If it isn't, you probably want to be * using gtk_tree_view_scroll_to_cell(). * * If either @tree_x or @tree_y are -1, then that direction isn't scrolled. **/ void gtk_tree_view_scroll_to_point (GtkTreeView *tree_view, gint tree_x, gint tree_y) { GtkAdjustment *hadj; GtkAdjustment *vadj; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (GTK_WIDGET_REALIZED (tree_view)); hadj = tree_view->priv->hadjustment; vadj = tree_view->priv->vadjustment; if (tree_x != -1) gtk_adjustment_set_value (hadj, CLAMP (tree_x, hadj->lower, hadj->upper - hadj->page_size)); if (tree_y != -1) gtk_adjustment_set_value (vadj, CLAMP (tree_y, vadj->lower, vadj->upper - vadj->page_size)); } /** * gtk_tree_view_scroll_to_cell: * @tree_view: A #GtkTreeView. * @path: The path of the row to move to, or %NULL. * @column: The #GtkTreeViewColumn to move horizontally to, or %NULL. * @use_align: whether to use alignment arguments, or %FALSE. * @row_align: The vertical alignment of the row specified by @path. * @col_align: The horizontal alignment of the column specified by @column. * * Moves the alignments of @tree_view to the position specified by @column and * @path. If @column is %NULL, then no horizontal scrolling occurs. Likewise, * if @path is %NULL no vertical scrolling occurs. At a minimum, one of @column * or @path need to be non-%NULL. @row_align determines where the row is * placed, and @col_align determines where @column is placed. Both are expected * to be between 0.0 and 1.0. 0.0 means left/top alignment, 1.0 means * right/bottom alignment, 0.5 means center. * * If @use_align is %FALSE, then the alignment arguments are ignored, and the * tree does the minimum amount of work to scroll the cell onto the screen. * This means that the cell will be scrolled to the edge closest to its current * position. If the cell is currently visible on the screen, nothing is done. * * This function only works if the model is set, and @path is a valid row on the * model. If the model changes before the @tree_view is realized, the centered * path will be modified to reflect this change. **/ void gtk_tree_view_scroll_to_cell (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, gboolean use_align, gfloat row_align, gfloat col_align) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (tree_view->priv->model != NULL); g_return_if_fail (tree_view->priv->tree != NULL); g_return_if_fail (row_align >= 0.0 && row_align <= 1.0); g_return_if_fail (col_align >= 0.0 && col_align <= 1.0); g_return_if_fail (path != NULL || column != NULL); #if 0 g_print ("gtk_tree_view_scroll_to_cell:\npath: %s\ncolumn: %s\nuse_align: %d\nrow_align: %f\ncol_align: %f\n", gtk_tree_path_to_string (path), column?"non-null":"null", use_align, row_align, col_align); #endif row_align = CLAMP (row_align, 0.0, 1.0); col_align = CLAMP (col_align, 0.0, 1.0); /* Note: Despite the benefits that come from having one code path for the * scrolling code, we short-circuit validate_visible_area's immplementation as * it is much slower than just going to the point. */ if (! GTK_WIDGET_REALIZED (tree_view) || GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID)) { if (tree_view->priv->scroll_to_path) gtk_tree_row_reference_free (tree_view->priv->scroll_to_path); tree_view->priv->scroll_to_path = NULL; tree_view->priv->scroll_to_column = NULL; if (path) tree_view->priv->scroll_to_path = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path); if (column) tree_view->priv->scroll_to_column = column; tree_view->priv->scroll_to_use_align = use_align; tree_view->priv->scroll_to_row_align = row_align; tree_view->priv->scroll_to_col_align = col_align; install_presize_handler (tree_view); } else { GdkRectangle cell_rect; GdkRectangle vis_rect; gint dest_x, dest_y; gtk_tree_view_get_cell_area (tree_view, path, column, &cell_rect); gtk_tree_view_tree_window_to_tree_coords (tree_view, cell_rect.x, cell_rect.y, &(cell_rect.x), &(cell_rect.y)); gtk_tree_view_get_visible_rect (tree_view, &vis_rect); dest_x = vis_rect.x; dest_y = vis_rect.y; if (column) { if (use_align) { dest_x = cell_rect.x - ((vis_rect.width - cell_rect.width) * col_align); } else { if (cell_rect.x < vis_rect.x) dest_x = cell_rect.x; if (cell_rect.x + cell_rect.width > vis_rect.x + vis_rect.width) dest_x = cell_rect.x + cell_rect.width - vis_rect.width; } } if (path) { if (use_align) { dest_y = cell_rect.y - ((vis_rect.height - cell_rect.height) * row_align); dest_y = MAX (dest_y, 0); } else { if (cell_rect.y < vis_rect.y) dest_y = cell_rect.y; if (cell_rect.y + cell_rect.height > vis_rect.y + vis_rect.height) dest_y = cell_rect.y + cell_rect.height - vis_rect.height; } } gtk_tree_view_scroll_to_point (tree_view, dest_x, dest_y); } } /** * gtk_tree_view_row_activated: * @tree_view: A #GtkTreeView * @path: The #GtkTreePath to be activated. * @column: The #GtkTreeViewColumn to be activated. * * Activates the cell determined by @path and @column. **/ void gtk_tree_view_row_activated (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_signal_emit (tree_view, tree_view_signals[ROW_ACTIVATED], 0, path, column); } static void gtk_tree_view_expand_all_emission_helper (GtkRBTree *tree, GtkRBNode *node, gpointer data) { GtkTreeView *tree_view = data; if ((node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT && node->children) { GtkTreePath *path; GtkTreeIter iter; path = _gtk_tree_view_find_path (tree_view, tree, node); gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); g_signal_emit (tree_view, tree_view_signals[ROW_EXPANDED], 0, &iter, path); gtk_tree_path_free (path); } if (node->children) _gtk_rbtree_traverse (node->children, node->children->root, G_PRE_ORDER, gtk_tree_view_expand_all_emission_helper, tree_view); } static void gtk_tree_view_expand_all_helper (GtkRBTree *tree, GtkRBNode *node, gpointer data) { GtkTreeView *tree_view = data; if (node->children) _gtk_rbtree_traverse (node->children, node->children->root, G_PRE_ORDER, gtk_tree_view_expand_all_helper, data); else if ((node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT && node->children == NULL) { GtkTreePath *path; GtkTreeIter iter; GtkTreeIter child; node->children = _gtk_rbtree_new (); node->children->parent_tree = tree; node->children->parent_node = node; path = _gtk_tree_view_find_path (tree_view, tree, node); gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); gtk_tree_model_iter_children (tree_view->priv->model, &child, &iter); gtk_tree_view_build_tree (tree_view, node->children, &child, gtk_tree_path_get_depth (path) + 1, TRUE); g_signal_emit (tree_view, tree_view_signals[ROW_EXPANDED], 0, &iter, path); _gtk_rbtree_traverse (node->children, node->children->root, G_PRE_ORDER, gtk_tree_view_expand_all_emission_helper, tree_view); gtk_tree_path_free (path); } } /** * gtk_tree_view_expand_all: * @tree_view: A #GtkTreeView. * * Recursively expands all nodes in the @tree_view. **/ void gtk_tree_view_expand_all (GtkTreeView *tree_view) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (tree_view->priv->tree == NULL) return; _gtk_rbtree_traverse (tree_view->priv->tree, tree_view->priv->tree->root, G_PRE_ORDER, gtk_tree_view_expand_all_helper, tree_view); } /* Timeout to animate the expander during expands and collapses */ static gboolean expand_collapse_timeout (gpointer data) { gboolean retval; GDK_THREADS_ENTER (); retval = do_expand_collapse (data); GDK_THREADS_LEAVE (); return retval; } static gboolean do_expand_collapse (GtkTreeView *tree_view) { GtkRBNode *node; GtkRBTree *tree; gboolean expanding; gboolean redraw; redraw = FALSE; expanding = TRUE; node = tree_view->priv->expanded_collapsed_node; tree = tree_view->priv->expanded_collapsed_tree; if (node->children == NULL) expanding = FALSE; if (expanding) { if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED)) { GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED); GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED); redraw = TRUE; } else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED)) { GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED); redraw = TRUE; } } else { if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED)) { GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED); GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED); redraw = TRUE; } else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED)) { GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED); redraw = TRUE; } } if (redraw) { gtk_tree_view_queue_draw_arrow (tree_view, tree, node, NULL); return TRUE; } return FALSE; } /** * gtk_tree_view_collapse_all: * @tree_view: A #GtkTreeView. * * Recursively collapses all visible, expanded nodes in @tree_view. **/ void gtk_tree_view_collapse_all (GtkTreeView *tree_view) { GtkRBTree *tree; GtkRBNode *node; GtkTreePath *path; gint *indices; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (tree_view->priv->tree == NULL) return; path = gtk_tree_path_new (); gtk_tree_path_down (path); indices = gtk_tree_path_get_indices (path); tree = tree_view->priv->tree; node = tree->root; while (node && node->left != tree->nil) node = node->left; while (node) { if (node->children) gtk_tree_view_real_collapse_row (tree_view, path, tree, node, FALSE); indices[0]++; node = _gtk_rbtree_next (tree, node); } gtk_tree_path_free (path); } /** * gtk_tree_view_expand_to_path: * @tree_view: A #GtkTreeView. * @path: path to a row. * * Expands the row at @path. This will also expand all parent rows of * @path as necessary. * * Since: 2.2 **/ void gtk_tree_view_expand_to_path (GtkTreeView *tree_view, GtkTreePath *path) { gint i, depth; gint *indices; GtkTreePath *tmp; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (path != NULL); depth = gtk_tree_path_get_depth (path); indices = gtk_tree_path_get_indices (path); tmp = gtk_tree_path_new (); g_return_if_fail (tmp != NULL); for (i = 0; i < depth; i++) { gtk_tree_path_append_index (tmp, indices[i]); gtk_tree_view_expand_row (tree_view, tmp, FALSE); } gtk_tree_path_free (tmp); } /* FIXME the bool return values for expand_row and collapse_row are * not analagous; they should be TRUE if the row had children and * was not already in the requested state. */ static gboolean gtk_tree_view_real_expand_row (GtkTreeView *tree_view, GtkTreePath *path, GtkRBTree *tree, GtkRBNode *node, gboolean open_all, gboolean animate) { GtkTreeIter iter; GtkTreeIter temp; gboolean expand; if (node->children && !open_all) return FALSE; if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT)) return FALSE; gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); if (! gtk_tree_model_iter_has_child (tree_view->priv->model, &iter)) return FALSE; if (node->children && open_all) { gboolean retval = FALSE; GtkTreePath *tmp_path = gtk_tree_path_copy (path); gtk_tree_path_append_index (tmp_path, 0); tree = node->children; node = tree->root; while (node->left != tree->nil) node = node->left; /* try to expand the children */ do { gboolean t; t = gtk_tree_view_real_expand_row (tree_view, tmp_path, tree, node, TRUE, animate); if (t) retval = TRUE; gtk_tree_path_next (tmp_path); node = _gtk_rbtree_next (tree, node); } while (node != NULL); gtk_tree_path_free (tmp_path); return retval; } g_signal_emit (tree_view, tree_view_signals[TEST_EXPAND_ROW], 0, &iter, path, &expand); if (expand) return FALSE; node->children = _gtk_rbtree_new (); node->children->parent_tree = tree; node->children->parent_node = node; gtk_tree_model_iter_children (tree_view->priv->model, &temp, &iter); gtk_tree_view_build_tree (tree_view, node->children, &temp, gtk_tree_path_get_depth (path) + 1, open_all); if (tree_view->priv->expand_collapse_timeout) { g_source_remove (tree_view->priv->expand_collapse_timeout); tree_view->priv->expand_collapse_timeout = 0; } if (tree_view->priv->expanded_collapsed_node != NULL) { GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED); GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED); tree_view->priv->expanded_collapsed_node = NULL; } if (animate) { tree_view->priv->expand_collapse_timeout = g_timeout_add (50, expand_collapse_timeout, tree_view); tree_view->priv->expanded_collapsed_node = node; tree_view->priv->expanded_collapsed_tree = tree; GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED); } install_presize_handler (tree_view); g_signal_emit (tree_view, tree_view_signals[ROW_EXPANDED], 0, &iter, path); return TRUE; } /** * gtk_tree_view_expand_row: * @tree_view: a #GtkTreeView * @path: path to a row * @open_all: whether to recursively expand, or just expand immediate children * * Opens the row so its children are visible. * * Return value: %TRUE if the row existed and had children **/ gboolean gtk_tree_view_expand_row (GtkTreeView *tree_view, GtkTreePath *path, gboolean open_all) { GtkRBTree *tree; GtkRBNode *node; g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); g_return_val_if_fail (tree_view->priv->model != NULL, FALSE); g_return_val_if_fail (path != NULL, FALSE); if (_gtk_tree_view_find_node (tree_view, path, &tree, &node)) return FALSE; if (tree != NULL) return gtk_tree_view_real_expand_row (tree_view, path, tree, node, open_all, FALSE); else return FALSE; } static gboolean gtk_tree_view_real_collapse_row (GtkTreeView *tree_view, GtkTreePath *path, GtkRBTree *tree, GtkRBNode *node, gboolean animate) { GtkTreeIter iter; GtkTreeIter children; gboolean collapse; gint x, y; GList *list; GdkDisplay *display; GdkWindow *child, *parent; if (node->children == NULL) return FALSE; gtk_tree_model_get_iter (tree_view->priv->model, &iter, path); g_signal_emit (tree_view, tree_view_signals[TEST_COLLAPSE_ROW], 0, &iter, path, &collapse); if (collapse) return FALSE; /* if the prelighted node is a child of us, we want to unprelight it. We have * a chance to prelight the correct node below */ if (tree_view->priv->prelight_tree) { GtkRBTree *parent_tree; GtkRBNode *parent_node; parent_tree = tree_view->priv->prelight_tree->parent_tree; parent_node = tree_view->priv->prelight_tree->parent_node; while (parent_tree) { if (parent_tree == tree && parent_node == node) { ensure_unprelighted (tree_view); break; } parent_node = parent_tree->parent_node; parent_tree = parent_tree->parent_tree; } } TREE_VIEW_INTERNAL_ASSERT (gtk_tree_model_iter_children (tree_view->priv->model, &children, &iter), FALSE); for (list = tree_view->priv->columns; list; list = list->next) { GtkTreeViewColumn *column = list->data; if (column->visible == FALSE) continue; if (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE) _gtk_tree_view_column_cell_set_dirty (column, TRUE); } if (tree_view->priv->destroy_count_func) { GtkTreePath *child_path; gint child_count = 0; child_path = gtk_tree_path_copy (path); gtk_tree_path_down (child_path); if (node->children) _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, count_children_helper, &child_count); (* tree_view->priv->destroy_count_func) (tree_view, child_path, child_count, tree_view->priv->destroy_count_data); gtk_tree_path_free (child_path); } if (gtk_tree_row_reference_valid (tree_view->priv->cursor)) { GtkTreePath *cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); if (gtk_tree_path_is_ancestor (path, cursor_path)) { gtk_tree_row_reference_free (tree_view->priv->cursor); tree_view->priv->cursor = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path); } gtk_tree_path_free (cursor_path); } if (gtk_tree_row_reference_valid (tree_view->priv->anchor)) { GtkTreePath *anchor_path = gtk_tree_row_reference_get_path (tree_view->priv->anchor); if (gtk_tree_path_is_ancestor (path, anchor_path)) { gtk_tree_row_reference_free (tree_view->priv->anchor); tree_view->priv->anchor = NULL; } gtk_tree_path_free (anchor_path); } if (gtk_tree_row_reference_valid (tree_view->priv->last_button_press)) { GtkTreePath *lsc = gtk_tree_row_reference_get_path (tree_view->priv->last_button_press); if (gtk_tree_path_is_ancestor (path, lsc)) { gtk_tree_row_reference_free (tree_view->priv->last_button_press); tree_view->priv->last_button_press = NULL; } gtk_tree_path_free (lsc); } if (gtk_tree_row_reference_valid (tree_view->priv->last_button_press_2)) { GtkTreePath *lsc = gtk_tree_row_reference_get_path (tree_view->priv->last_button_press_2); if (gtk_tree_path_is_ancestor (path, lsc)) { gtk_tree_row_reference_free (tree_view->priv->last_button_press_2); tree_view->priv->last_button_press_2 = NULL; } gtk_tree_path_free (lsc); } if (gtk_tree_view_unref_and_check_selection_tree (tree_view, node->children)) { _gtk_rbtree_remove (node->children); g_signal_emit_by_name (tree_view->priv->selection, "changed"); } else _gtk_rbtree_remove (node->children); if (tree_view->priv->expand_collapse_timeout) { g_source_remove (tree_view->priv->expand_collapse_timeout); tree_view->priv->expand_collapse_timeout = 0; } if (tree_view->priv->expanded_collapsed_node != NULL) { GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED); GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED); tree_view->priv->expanded_collapsed_node = NULL; } if (animate) { tree_view->priv->expand_collapse_timeout = g_timeout_add (50, expand_collapse_timeout, tree_view); tree_view->priv->expanded_collapsed_node = node; tree_view->priv->expanded_collapsed_tree = tree; GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED); } if (GTK_WIDGET_MAPPED (tree_view)) { gtk_widget_queue_resize (GTK_WIDGET (tree_view)); } g_signal_emit (tree_view, tree_view_signals[ROW_COLLAPSED], 0, &iter, path); if (GTK_WIDGET_MAPPED (tree_view)) { /* now that we've collapsed all rows, we want to try to set the prelight * again. To do this, we fake a motion event and send it to ourselves. */ display = gdk_drawable_get_display (tree_view->priv->bin_window); child = tree_view->priv->bin_window; parent = gdk_window_get_parent (child); if (gdk_window_get_pointer (parent, &x, &y, NULL) == child) { GdkEventMotion event; gint child_x, child_y; gdk_window_get_position (child, &child_x, &child_y); event.window = tree_view->priv->bin_window; event.x = x - child_x; event.y = y - child_y; /* despite the fact this isn't a real event, I'm almost positive it will * never trigger a drag event. maybe_drag is the only function that uses * more than just event.x and event.y. */ gtk_tree_view_motion_bin_window (GTK_WIDGET (tree_view), &event); } } return TRUE; } /** * gtk_tree_view_collapse_row: * @tree_view: a #GtkTreeView * @path: path to a row in the @tree_view * * Collapses a row (hides its child rows, if they exist). * * Return value: %TRUE if the row was collapsed. **/ gboolean gtk_tree_view_collapse_row (GtkTreeView *tree_view, GtkTreePath *path) { GtkRBTree *tree; GtkRBNode *node; g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); g_return_val_if_fail (tree_view->priv->tree != NULL, FALSE); g_return_val_if_fail (path != NULL, FALSE); if (_gtk_tree_view_find_node (tree_view, path, &tree, &node)) return FALSE; if (tree == NULL || node->children == NULL) return FALSE; return gtk_tree_view_real_collapse_row (tree_view, path, tree, node, FALSE); } static void gtk_tree_view_map_expanded_rows_helper (GtkTreeView *tree_view, GtkRBTree *tree, GtkTreePath *path, GtkTreeViewMappingFunc func, gpointer user_data) { GtkRBNode *node; if (tree == NULL || tree->root == NULL) return; node = tree->root; while (node && node->left != tree->nil) node = node->left; while (node) { if (node->children) { (* func) (tree_view, path, user_data); gtk_tree_path_down (path); gtk_tree_view_map_expanded_rows_helper (tree_view, node->children, path, func, user_data); gtk_tree_path_up (path); } gtk_tree_path_next (path); node = _gtk_rbtree_next (tree, node); } } /** * gtk_tree_view_map_expanded_rows: * @tree_view: A #GtkTreeView * @func: A function to be called * @data: User data to be passed to the function. * * Calls @func on all expanded rows. **/ void gtk_tree_view_map_expanded_rows (GtkTreeView *tree_view, GtkTreeViewMappingFunc func, gpointer user_data) { GtkTreePath *path; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (func != NULL); path = gtk_tree_path_new_first (); gtk_tree_view_map_expanded_rows_helper (tree_view, tree_view->priv->tree, path, func, user_data); gtk_tree_path_free (path); } /** * gtk_tree_view_row_expanded: * @tree_view: A #GtkTreeView. * @path: A #GtkTreePath to test expansion state. * * Returns %TRUE if the node pointed to by @path is expanded in @tree_view. * * Return value: %TRUE if #path is expanded. **/ gboolean gtk_tree_view_row_expanded (GtkTreeView *tree_view, GtkTreePath *path) { GtkRBTree *tree; GtkRBNode *node; g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); g_return_val_if_fail (path != NULL, FALSE); _gtk_tree_view_find_node (tree_view, path, &tree, &node); if (node == NULL) return FALSE; return (node->children != NULL); } static const GtkTargetEntry row_targets[] = { { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_WIDGET, 0 } }; /** * gtk_tree_view_get_reorderable: * @tree_view: a #GtkTreeView * * Retrieves whether the user can reorder the tree via drag-and-drop. See * gtk_tree_view_set_reorderable(). * * Return value: %TRUE if the tree can be reordered. **/ gboolean gtk_tree_view_get_reorderable (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); return tree_view->priv->reorderable; } /** * gtk_tree_view_set_reorderable: * @tree_view: A #GtkTreeView. * @reorderable: %TRUE, if the tree can be reordered. * * This function is a convenience function to allow you to reorder models that * support the #GtkDragSourceIface and the #GtkDragDestIface. Both * #GtkTreeStore and #GtkListStore support these. If @reorderable is %TRUE, then * the user can reorder the model by dragging and dropping rows. The * developer can listen to these changes by connecting to the model's * row_inserted and row_deleted signals. * * This function does not give you any degree of control over the order -- any * reordering is allowed. If more control is needed, you should probably * handle drag and drop manually. **/ void gtk_tree_view_set_reorderable (GtkTreeView *tree_view, gboolean reorderable) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); reorderable = reorderable != FALSE; if (tree_view->priv->reorderable == reorderable) return; if (reorderable) { gtk_tree_view_enable_model_drag_source (tree_view, GDK_BUTTON1_MASK, row_targets, G_N_ELEMENTS (row_targets), GDK_ACTION_MOVE); gtk_tree_view_enable_model_drag_dest (tree_view, row_targets, G_N_ELEMENTS (row_targets), GDK_ACTION_MOVE); } else { gtk_tree_view_unset_rows_drag_source (tree_view); gtk_tree_view_unset_rows_drag_dest (tree_view); } tree_view->priv->reorderable = reorderable; g_object_notify (G_OBJECT (tree_view), "reorderable"); } static void gtk_tree_view_real_set_cursor (GtkTreeView *tree_view, GtkTreePath *path, gboolean clear_and_select, gboolean clamp_node) { GtkRBTree *tree = NULL; GtkRBNode *node = NULL; if (gtk_tree_row_reference_valid (tree_view->priv->cursor)) { GtkTreePath *cursor_path; cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL); gtk_tree_path_free (cursor_path); } gtk_tree_row_reference_free (tree_view->priv->cursor); tree_view->priv->cursor = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path); _gtk_tree_view_find_node (tree_view, path, &tree, &node); if (tree != NULL) { GtkRBTree *new_tree = NULL; GtkRBNode *new_node = NULL; if (clear_and_select && !tree_view->priv->ctrl_pressed) { GtkTreeSelectMode mode = 0; if (tree_view->priv->ctrl_pressed) mode |= GTK_TREE_SELECT_MODE_TOGGLE; if (tree_view->priv->shift_pressed) mode |= GTK_TREE_SELECT_MODE_EXTEND; _gtk_tree_selection_internal_select_node (tree_view->priv->selection, node, tree, path, mode, FALSE); } /* We have to re-find tree and node here again, somebody might have * cleared the node or the whole tree in the GtkTreeSelection::changed * callback. If the nodes differ we bail out here. */ _gtk_tree_view_find_node (tree_view, path, &new_tree, &new_node); if (tree != new_tree || node != new_node) return; if (clamp_node) { gtk_tree_view_clamp_node_visible (tree_view, tree, node); _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL); } } g_signal_emit (tree_view, tree_view_signals[CURSOR_CHANGED], 0); } /** * gtk_tree_view_get_cursor: * @tree_view: A #GtkTreeView * @path: A pointer to be filled with the current cursor path, or %NULL * @focus_column: A pointer to be filled with the current focus column, or %NULL * * Fills in @path and @focus_column with the current path and focus column. If * the cursor isn't currently set, then *@path will be %NULL. If no column * currently has focus, then *@focus_column will be %NULL. * * The returned #GtkTreePath must be freed with gtk_tree_path_free() when * you are done with it. **/ void gtk_tree_view_get_cursor (GtkTreeView *tree_view, GtkTreePath **path, GtkTreeViewColumn **focus_column) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (path) { if (gtk_tree_row_reference_valid (tree_view->priv->cursor)) *path = gtk_tree_row_reference_get_path (tree_view->priv->cursor); else *path = NULL; } if (focus_column) { *focus_column = tree_view->priv->focus_column; } } /** * gtk_tree_view_set_cursor: * @tree_view: A #GtkTreeView * @path: A #GtkTreePath * @focus_column: A #GtkTreeViewColumn, or %NULL * @start_editing: %TRUE if the specified cell should start being edited. * * Sets the current keyboard focus to be at @path, and selects it. This is * useful when you want to focus the user's attention on a particular row. If * @focus_column is not %NULL, then focus is given to the column specified by * it. Additionally, if @focus_column is specified, and @start_editing is * %TRUE, then editing should be started in the specified cell. * This function is often followed by @gtk_widget_grab_focus (@tree_view) * in order to give keyboard focus to the widget. Please note that editing * can only happen when the widget is realized. **/ void gtk_tree_view_set_cursor (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *focus_column, gboolean start_editing) { gtk_tree_view_set_cursor_on_cell (tree_view, path, focus_column, NULL, start_editing); } /** * gtk_tree_view_set_cursor_on_cell: * @tree_view: A #GtkTreeView * @path: A #GtkTreePath * @focus_column: A #GtkTreeViewColumn, or %NULL * @focus_cell: A #GtkCellRenderer, or %NULL * @start_editing: %TRUE if the specified cell should start being edited. * * Sets the current keyboard focus to be at @path, and selects it. This is * useful when you want to focus the user's attention on a particular row. If * @focus_column is not %NULL, then focus is given to the column specified by * it. If @focus_column and @focus_cell are not %NULL, and @focus_column * contains 2 or more editable or activatable cells, then focus is given to * the cell specified by @focus_cell. Additionally, if @focus_column is * specified, and @start_editing is %TRUE, then editing should be started in * the specified cell. This function is often followed by * @gtk_widget_grab_focus (@tree_view) in order to give keyboard focus to the * widget. Please note that editing can only happen when the widget is * realized. * * Since: 2.2 **/ void gtk_tree_view_set_cursor_on_cell (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *focus_column, GtkCellRenderer *focus_cell, gboolean start_editing) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (path != NULL); if (focus_column) g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (focus_column)); if (focus_cell) { g_return_if_fail (focus_column); g_return_if_fail (GTK_IS_CELL_RENDERER (focus_cell)); } /* cancel the current editing, if it exists */ if (tree_view->priv->edited_column && tree_view->priv->edited_column->editable_widget) gtk_tree_view_stop_editing (tree_view, TRUE); gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE); if (focus_column && focus_column->visible) { GList *list; gboolean column_in_tree = FALSE; for (list = tree_view->priv->columns; list; list = list->next) if (list->data == focus_column) { column_in_tree = TRUE; break; } g_return_if_fail (column_in_tree); tree_view->priv->focus_column = focus_column; if (focus_cell) gtk_tree_view_column_focus_cell (focus_column, focus_cell); if (start_editing) gtk_tree_view_start_editing (tree_view, path); } } /** * gtk_tree_view_get_bin_window: * @tree_view: A #GtkTreeView * * Returns the window that @tree_view renders to. This is used primarily to * compare to event->window to confirm that the event on * @tree_view is on the right window. * * Return value: A #GdkWindow, or %NULL when @tree_view hasn't been realized yet **/ GdkWindow * gtk_tree_view_get_bin_window (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); return tree_view->priv->bin_window; } /** * gtk_tree_view_get_path_at_pos: * @tree_view: A #GtkTreeView. * @x: The x position to be identified. * @y: The y position to be identified. * @path: A pointer to a #GtkTreePath pointer to be filled in, or %NULL * @column: A pointer to a #GtkTreeViewColumn pointer to be filled in, or %NULL * @cell_x: A pointer where the X coordinate relative to the cell can be placed, or %NULL * @cell_y: A pointer where the Y coordinate relative to the cell can be placed, or %NULL * * Finds the path at the point (@x, @y), relative to widget coordinates. That * is, @x and @y are relative to an events coordinates. @x and @y must come * from an event on the @tree_view only where event->window == * gtk_tree_view_get_bin (). It is primarily for things * like popup menus. If @path is non-%NULL, then it will be filled with the * #GtkTreePath at that point. This path should be freed with gtk_tree_path_free(). * If @column is non-%NULL, then it will be filled with the column at that point. * @cell_x and @cell_y return the coordinates relative to the cell background * (i.e. the @background_area passed to gtk_cell_renderer_render()). This * function is only meaningful if @tree_view is realized. * * Return value: %TRUE if a row exists at that coordinate. **/ gboolean gtk_tree_view_get_path_at_pos (GtkTreeView *tree_view, gint x, gint y, GtkTreePath **path, GtkTreeViewColumn **column, gint *cell_x, gint *cell_y) { GtkRBTree *tree; GtkRBNode *node; gint y_offset; g_return_val_if_fail (tree_view != NULL, FALSE); g_return_val_if_fail (tree_view->priv->bin_window != NULL, FALSE); if (path) *path = NULL; if (column) *column = NULL; if (tree_view->priv->tree == NULL) return FALSE; if (x > tree_view->priv->hadjustment->upper) return FALSE; if (x < 0 || y < 0) return FALSE; if (column || cell_x) { GtkTreeViewColumn *tmp_column; GtkTreeViewColumn *last_column = NULL; GList *list; gint remaining_x = x; gboolean found = FALSE; for (list = tree_view->priv->columns; list; list = list->next) { tmp_column = list->data; if (tmp_column->visible == FALSE) continue; last_column = tmp_column; if (remaining_x <= tmp_column->width) { found = TRUE; if (column) *column = tmp_column; if (cell_x) *cell_x = remaining_x; break; } remaining_x -= tmp_column->width; } /* If found is FALSE and there is a last_column, then it the remainder * space is in that area */ if (!found) { if (last_column) { if (column) *column = last_column; if (cell_x) *cell_x = last_column->width + remaining_x; } else { return FALSE; } } } y_offset = _gtk_rbtree_find_offset (tree_view->priv->tree, TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, y), &tree, &node); if (tree == NULL) return FALSE; if (cell_y) *cell_y = y_offset; if (path) *path = _gtk_tree_view_find_path (tree_view, tree, node); return TRUE; } /** * gtk_tree_view_get_cell_area: * @tree_view: a #GtkTreeView * @path: a #GtkTreePath for the row, or %NULL to get only horizontal coordinates * @column: a #GtkTreeViewColumn for the column, or %NULL to get only vertical coordinates * @rect: rectangle to fill with cell rect * * Fills the bounding rectangle in tree window coordinates for the cell at the * row specified by @path and the column specified by @column. If @path is * %NULL, or points to a path not currently displayed, the @y and @height fields * of the rectangle will be filled with 0. If @column is %NULL, the @x and @width * fields will be filled with 0. The sum of all cell rects does not cover the * entire tree; there are extra pixels in between rows, for example. The * returned rectangle is equivalent to the @cell_area passed to * gtk_cell_renderer_render(). This function is only valid if @tree_view is * realized. **/ void gtk_tree_view_get_cell_area (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, GdkRectangle *rect) { GtkRBTree *tree = NULL; GtkRBNode *node = NULL; gint vertical_separator; gint horizontal_separator; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column)); g_return_if_fail (rect != NULL); g_return_if_fail (!column || column->tree_view == (GtkWidget *) tree_view); g_return_if_fail (GTK_WIDGET_REALIZED (tree_view)); gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical_separator", &vertical_separator, "horizontal_separator", &horizontal_separator, NULL); rect->x = 0; rect->y = 0; rect->width = 0; rect->height = 0; if (column) { rect->x = column->button->allocation.x + horizontal_separator/2; rect->width = column->button->allocation.width - horizontal_separator; } if (path) { gboolean ret = _gtk_tree_view_find_node (tree_view, path, &tree, &node); /* Get vertical coords */ if ((!ret && tree == NULL) || ret) return; rect->y = CELL_FIRST_PIXEL (tree_view, tree, node, vertical_separator); rect->height = MAX (CELL_HEIGHT (node, vertical_separator), tree_view->priv->expander_size - vertical_separator); if (column && gtk_tree_view_is_expander_column (tree_view, column) && TREE_VIEW_DRAW_EXPANDERS (tree_view)) { gint depth = gtk_tree_path_get_depth (path) - 1; rect->x += depth * tree_view->priv->expander_size; rect->width -= depth * tree_view->priv->expander_size; rect->width = MAX (rect->width, 0); } } } /** * gtk_tree_view_get_background_area: * @tree_view: a #GtkTreeView * @path: a #GtkTreePath for the row, or %NULL to get only horizontal coordinates * @column: a #GtkTreeViewColumn for the column, or %NULL to get only vertical coordiantes * @rect: rectangle to fill with cell background rect * * Fills the bounding rectangle in tree window coordinates for the cell at the * row specified by @path and the column specified by @column. If @path is * %NULL, or points to a node not found in the tree, the @y and @height fields of * the rectangle will be filled with 0. If @column is %NULL, the @x and @width * fields will be filled with 0. The returned rectangle is equivalent to the * @background_area passed to gtk_cell_renderer_render(). These background * areas tile to cover the entire tree window (except for the area used for * header buttons). Contrast with the @cell_area, returned by * gtk_tree_view_get_cell_area(), which returns only the cell itself, excluding * surrounding borders and the tree expander area. * **/ void gtk_tree_view_get_background_area (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, GdkRectangle *rect) { GtkRBTree *tree = NULL; GtkRBNode *node = NULL; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column)); g_return_if_fail (rect != NULL); rect->x = 0; rect->y = 0; rect->width = 0; rect->height = 0; if (path) { /* Get vertical coords */ if (!_gtk_tree_view_find_node (tree_view, path, &tree, &node) && tree == NULL) return; rect->y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node); rect->height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)); } if (column) { gint x2 = 0; gtk_tree_view_get_background_xrange (tree_view, tree, column, &rect->x, &x2); rect->width = x2 - rect->x; } } /** * gtk_tree_view_get_visible_rect: * @tree_view: a #GtkTreeView * @visible_rect: rectangle to fill * * Fills @visible_rect with the currently-visible region of the * buffer, in tree coordinates. Convert to widget coordinates with * gtk_tree_view_tree_to_widget_coords(). Tree coordinates start at * 0,0 for row 0 of the tree, and cover the entire scrollable area of * the tree. **/ void gtk_tree_view_get_visible_rect (GtkTreeView *tree_view, GdkRectangle *visible_rect) { GtkWidget *widget; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); widget = GTK_WIDGET (tree_view); if (visible_rect) { visible_rect->x = tree_view->priv->hadjustment->value; visible_rect->y = tree_view->priv->vadjustment->value; visible_rect->width = widget->allocation.width; visible_rect->height = widget->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view); } } /** * gtk_tree_view_widget_to_tree_coords: * @tree_view: a #GtkTreeView * @wx: widget X coordinate * @wy: widget Y coordinate * @tx: return location for tree X coordinate * @ty: return location for tree Y coordinate * * Converts widget coordinates to coordinates for the * tree window (the full scrollable area of the tree). * **/ void gtk_tree_view_widget_to_tree_coords (GtkTreeView *tree_view, gint wx, gint wy, gint *tx, gint *ty) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (tx) *tx = wx + tree_view->priv->hadjustment->value; if (ty) *ty = wy + tree_view->priv->dy; } static void gtk_tree_view_tree_window_to_tree_coords (GtkTreeView *tree_view, gint wx, gint wy, gint *tx, gint *ty) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (tx) *tx = wx; if (ty) *ty = wy + tree_view->priv->dy; } /** * gtk_tree_view_tree_to_widget_coords: * @tree_view: a #GtkTreeView * @tx: tree X coordinate * @ty: tree Y coordinate * @wx: return location for widget X coordinate * @wy: return location for widget Y coordinate * * Converts tree coordinates (coordinates in full scrollable area of the tree) * to widget coordinates. * **/ void gtk_tree_view_tree_to_widget_coords (GtkTreeView *tree_view, gint tx, gint ty, gint *wx, gint *wy) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (wx) *wx = tx - tree_view->priv->hadjustment->value; if (wy) *wy = ty - tree_view->priv->dy; } static void unset_reorderable (GtkTreeView *tree_view) { if (tree_view->priv->reorderable) { tree_view->priv->reorderable = FALSE; g_object_notify (G_OBJECT (tree_view), "reorderable"); } } /** * gtk_tree_view_enable_model_drag_source: * @tree_view: a #GtkTreeView * @start_button_mask: Mask of allowed buttons to start drag * @targets: the table of targets that the drag will support * @n_targets: the number of items in @targets * @actions: the bitmask of possible actions for a drag from this * widget * * Turns @tree_view into a drag source for automatic DND. **/ void gtk_tree_view_enable_model_drag_source (GtkTreeView *tree_view, GdkModifierType start_button_mask, const GtkTargetEntry *targets, gint n_targets, GdkDragAction actions) { TreeViewDragInfo *di; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); gtk_drag_source_set (GTK_WIDGET (tree_view), 0, NULL, 0, actions); di = ensure_info (tree_view); clear_source_info (di); di->start_button_mask = start_button_mask; di->source_target_list = gtk_target_list_new (targets, n_targets); di->source_actions = actions; di->source_set = TRUE; unset_reorderable (tree_view); } /** * gtk_tree_view_enable_model_drag_dest: * @tree_view: a #GtkTreeView * @targets: the table of targets that the drag will support * @n_targets: the number of items in @targets * @actions: the bitmask of possible actions for a drag from this * widget * * Turns @tree_view into a drop destination for automatic DND. **/ void gtk_tree_view_enable_model_drag_dest (GtkTreeView *tree_view, const GtkTargetEntry *targets, gint n_targets, GdkDragAction actions) { TreeViewDragInfo *di; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); gtk_drag_dest_set (GTK_WIDGET (tree_view), 0, NULL, 0, actions); di = ensure_info (tree_view); clear_dest_info (di); if (targets) di->dest_target_list = gtk_target_list_new (targets, n_targets); di->dest_set = TRUE; unset_reorderable (tree_view); } /** * gtk_tree_view_unset_rows_drag_source: * @tree_view: a #GtkTreeView * * Undoes the effect of gtk_tree_view_enable_model_drag_source(). **/ void gtk_tree_view_unset_rows_drag_source (GtkTreeView *tree_view) { TreeViewDragInfo *di; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); di = get_info (tree_view); if (di) { if (di->source_set) { gtk_drag_source_unset (GTK_WIDGET (tree_view)); clear_source_info (di); di->source_set = FALSE; } if (!di->dest_set && !di->source_set) remove_info (tree_view); } unset_reorderable (tree_view); } /** * gtk_tree_view_unset_rows_drag_dest: * @tree_view: a #GtkTreeView * * Undoes the effect of gtk_tree_view_enable_model_drag_dest(). **/ void gtk_tree_view_unset_rows_drag_dest (GtkTreeView *tree_view) { TreeViewDragInfo *di; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); di = get_info (tree_view); if (di) { if (di->dest_set) { gtk_drag_dest_unset (GTK_WIDGET (tree_view)); clear_dest_info (di); di->dest_set = FALSE; } if (!di->dest_set && !di->source_set) remove_info (tree_view); } unset_reorderable (tree_view); } /** * gtk_tree_view_set_drag_dest_row: * @tree_view: a #GtkTreeView * @path: The path of the row to highlight, or %NULL. * @pos: Specifies whether to drop before, after or into the row * * Sets the row that is highlighted for feedback. **/ void gtk_tree_view_set_drag_dest_row (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewDropPosition pos) { GtkTreePath *current_dest; /* Note; this function is exported to allow a custom DND * implementation, so it can't touch TreeViewDragInfo */ g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); current_dest = NULL; if (tree_view->priv->drag_dest_row) { current_dest = gtk_tree_row_reference_get_path (tree_view->priv->drag_dest_row); gtk_tree_row_reference_free (tree_view->priv->drag_dest_row); } /* special case a drop on an empty model */ tree_view->priv->empty_view_drop = 0; if (pos == GTK_TREE_VIEW_DROP_BEFORE && path && gtk_tree_path_get_depth (path) == 1 && gtk_tree_path_get_indices (path)[0] == 0) { gint n_children; n_children = gtk_tree_model_iter_n_children (tree_view->priv->model, NULL); if (!n_children) tree_view->priv->empty_view_drop = 1; } tree_view->priv->drag_dest_pos = pos; if (path) { tree_view->priv->drag_dest_row = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path); gtk_tree_view_queue_draw_path (tree_view, path, NULL); } else tree_view->priv->drag_dest_row = NULL; if (current_dest) { GtkRBTree *tree, *new_tree; GtkRBNode *node, *new_node; _gtk_tree_view_find_node (tree_view, current_dest, &tree, &node); _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL); if (tree && node) { _gtk_rbtree_next_full (tree, node, &new_tree, &new_node); if (new_tree && new_node) _gtk_tree_view_queue_draw_node (tree_view, new_tree, new_node, NULL); _gtk_rbtree_prev_full (tree, node, &new_tree, &new_node); if (new_tree && new_node) _gtk_tree_view_queue_draw_node (tree_view, new_tree, new_node, NULL); } gtk_tree_path_free (current_dest); } } /** * gtk_tree_view_get_drag_dest_row: * @tree_view: a #GtkTreeView * @path: Return location for the path of the highlighted row, or %NULL. * @pos: Return location for the drop position, or %NULL * * Gets information about the row that is highlighted for feedback. **/ void gtk_tree_view_get_drag_dest_row (GtkTreeView *tree_view, GtkTreePath **path, GtkTreeViewDropPosition *pos) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (path) { if (tree_view->priv->drag_dest_row) *path = gtk_tree_row_reference_get_path (tree_view->priv->drag_dest_row); else { if (tree_view->priv->empty_view_drop) *path = gtk_tree_path_new_from_indices (0, -1); else *path = NULL; } } if (pos) *pos = tree_view->priv->drag_dest_pos; } /** * gtk_tree_view_get_dest_row_at_pos: * @tree_view: a #GtkTreeView * @drag_x: the position to determine the destination row for * @drag_y: the position to determine the destination row for * @path: Return location for the path of the highlighted row, or %NULL. * @pos: Return location for the drop position, or %NULL * * Determines the destination row for a given position. * * Return value: whether there is a row at the given postiion, **/ gboolean gtk_tree_view_get_dest_row_at_pos (GtkTreeView *tree_view, gint drag_x, gint drag_y, GtkTreePath **path, GtkTreeViewDropPosition *pos) { gint cell_y; gdouble offset_into_row; gdouble third; GdkRectangle cell; GtkTreeViewColumn *column = NULL; GtkTreePath *tmp_path = NULL; /* Note; this function is exported to allow a custom DND * implementation, so it can't touch TreeViewDragInfo */ g_return_val_if_fail (tree_view != NULL, FALSE); g_return_val_if_fail (drag_x >= 0, FALSE); g_return_val_if_fail (drag_y >= 0, FALSE); g_return_val_if_fail (tree_view->priv->bin_window != NULL, FALSE); if (path) *path = NULL; if (tree_view->priv->tree == NULL) return FALSE; /* If in the top third of a row, we drop before that row; if * in the bottom third, drop after that row; if in the middle, * and the row has children, drop into the row. */ if (!gtk_tree_view_get_path_at_pos (tree_view, drag_x, drag_y - TREE_VIEW_HEADER_HEIGHT (tree_view), &tmp_path, &column, NULL, &cell_y)) return FALSE; gtk_tree_view_get_background_area (tree_view, tmp_path, column, &cell); offset_into_row = cell_y; if (path) *path = tmp_path; else gtk_tree_path_free (tmp_path); tmp_path = NULL; third = cell.height / 3.0; if (pos) { if (offset_into_row < third) { *pos = GTK_TREE_VIEW_DROP_BEFORE; } else if (offset_into_row < (cell.height / 2.0)) { *pos = GTK_TREE_VIEW_DROP_INTO_OR_BEFORE; } else if (offset_into_row < third * 2.0) { *pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER; } else { *pos = GTK_TREE_VIEW_DROP_AFTER; } } return TRUE; } /* KEEP IN SYNC WITH GTK_TREE_VIEW_BIN_EXPOSE */ /** * gtk_tree_view_create_row_drag_icon: * @tree_view: a #GtkTreeView * @path: a #GtkTreePath in @tree_view * * Creates a #GdkPixmap representation of the row at @path. This image is used * for a drag icon. * * Return value: a newly-allocated pixmap of the drag icon. **/ GdkPixmap * gtk_tree_view_create_row_drag_icon (GtkTreeView *tree_view, GtkTreePath *path) { GtkTreeIter iter; GtkRBTree *tree; GtkRBNode *node; gint cell_offset; GList *list; GdkRectangle background_area; GdkRectangle expose_area; GtkWidget *widget; gint depth; /* start drawing inside the black outline */ gint x = 1, y = 1; GdkDrawable *drawable; gint bin_window_width; gboolean is_separator = FALSE; widget = GTK_WIDGET (tree_view); depth = gtk_tree_path_get_depth (path); _gtk_tree_view_find_node (tree_view, path, &tree, &node); if (tree == NULL) return NULL; if (!gtk_tree_model_get_iter (tree_view->priv->model, &iter, path)) return NULL; if (tree_view->priv->row_separator_func) { is_separator = (* tree_view->priv->row_separator_func) (tree_view->priv->model, &iter, tree_view->priv->row_separator_data); } cell_offset = x; background_area.y = y; background_area.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)); gdk_drawable_get_size (tree_view->priv->bin_window, &bin_window_width, NULL); drawable = gdk_pixmap_new (tree_view->priv->bin_window, bin_window_width + 2, background_area.height + 2, -1); expose_area.x = 0; expose_area.y = 0; expose_area.width = bin_window_width + 2; expose_area.height = background_area.height + 2; gdk_draw_rectangle (drawable, widget->style->base_gc [GTK_WIDGET_STATE (widget)], TRUE, 0, 0, bin_window_width + 2, background_area.height + 2); for (list = tree_view->priv->columns; list; list = list->next) { GtkTreeViewColumn *column = list->data; GdkRectangle cell_area; gint vertical_separator; if (!column->visible) continue; gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, &iter, GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT), node->children?TRUE:FALSE); background_area.x = cell_offset; background_area.width = column->width; cell_area = background_area; gtk_widget_style_get (widget, "vertical_separator", &vertical_separator, NULL); cell_area.y += vertical_separator / 2; cell_area.height -= vertical_separator; if (gtk_tree_view_is_expander_column (tree_view, column) && TREE_VIEW_DRAW_EXPANDERS(tree_view)) { cell_area.x += depth * tree_view->priv->expander_size; cell_area.width -= depth * tree_view->priv->expander_size; } if (gtk_tree_view_column_cell_is_visible (column)) { if (is_separator) gtk_paint_hline (widget->style, drawable, GTK_STATE_NORMAL, &cell_area, widget, NULL, cell_area.x, cell_area.x + cell_area.width, cell_area.y + cell_area.height / 2); else _gtk_tree_view_column_cell_render (column, drawable, &background_area, &cell_area, &expose_area, 0); } cell_offset += column->width; } gdk_draw_rectangle (drawable, widget->style->black_gc, FALSE, 0, 0, bin_window_width + 1, background_area.height + 1); return drawable; } /** * gtk_tree_view_set_destroy_count_func: * @tree_view: A #GtkTreeView * @func: Function to be called when a view row is destroyed, or %NULL * @data: User data to be passed to @func, or %NULL * @destroy: Destroy notifier for @data, or %NULL * * This function should almost never be used. It is meant for private use by * ATK for determining the number of visible children that are removed when the * user collapses a row, or a row is deleted. **/ void gtk_tree_view_set_destroy_count_func (GtkTreeView *tree_view, GtkTreeDestroyCountFunc func, gpointer data, GtkDestroyNotify destroy) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (tree_view->priv->destroy_count_destroy) (* tree_view->priv->destroy_count_destroy) (tree_view->priv->destroy_count_data); tree_view->priv->destroy_count_func = func; tree_view->priv->destroy_count_data = data; tree_view->priv->destroy_count_destroy = destroy; } /* * Interactive search */ /** * gtk_tree_view_set_enable_search: * @tree_view: A #GtkTreeView * @enable_search: %TRUE, if the user can search interactively * * If @enable_search is set, then the user can type in text to search through * the tree interactively. */ void gtk_tree_view_set_enable_search (GtkTreeView *tree_view, gboolean enable_search) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); enable_search = !!enable_search; if (tree_view->priv->enable_search != enable_search) { tree_view->priv->enable_search = enable_search; g_object_notify (G_OBJECT (tree_view), "enable_search"); } } /** * gtk_tree_view_get_enable_search: * @tree_view: A #GtkTreeView * * Returns whether or not the tree allows interactive searching. * * Return value: whether or not to let the user search interactively */ gboolean gtk_tree_view_get_enable_search (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); return tree_view->priv->enable_search; } /** * gtk_tree_view_get_search_column: * @tree_view: A #GtkTreeView * * Gets the column searched on by the interactive search code. * * Return value: the column the interactive search code searches in. */ gint gtk_tree_view_get_search_column (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0); return (tree_view->priv->search_column); } /** * gtk_tree_view_set_search_column: * @tree_view: A #GtkTreeView * @column: the column of the model to search in * * Sets @column as the column where the interactive search code should * search in. Additionally, turns on interactive searching. Note that * @column refers to a column of the model. */ void gtk_tree_view_set_search_column (GtkTreeView *tree_view, gint column) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (column >= 0); if (tree_view->priv->search_column == column) return; tree_view->priv->search_column = column; g_object_notify (G_OBJECT (tree_view), "search_column"); } /** * gtk_tree_view_get_search_equal_func: * @tree_view: A #GtkTreeView * * Returns the compare function currently in use. * * Return value: the currently used compare function for the search code. */ GtkTreeViewSearchEqualFunc gtk_tree_view_get_search_equal_func (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); return tree_view->priv->search_equal_func; } /** * gtk_tree_view_set_search_equal_func: * @tree_view: A #GtkTreeView * @search_equal_func: the compare function to use during the search * @search_user_data: user data to pass to @search_equal_func, or %NULL * @search_destroy: Destroy notifier for @search_user_data, or %NULL * * Sets the compare function for the interactive search capabilities; note * that somewhat like strcmp() returning 0 for equality * #GtkTreeViewSearchEqualFunc returns %FALSE on matches. **/ void gtk_tree_view_set_search_equal_func (GtkTreeView *tree_view, GtkTreeViewSearchEqualFunc search_equal_func, gpointer search_user_data, GtkDestroyNotify search_destroy) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (search_equal_func !=NULL); if (tree_view->priv->search_destroy) (* tree_view->priv->search_destroy) (tree_view->priv->search_user_data); tree_view->priv->search_equal_func = search_equal_func; tree_view->priv->search_user_data = search_user_data; tree_view->priv->search_destroy = search_destroy; if (tree_view->priv->search_equal_func == NULL) tree_view->priv->search_equal_func = gtk_tree_view_search_equal_func; } static void gtk_tree_view_search_dialog_hide (GtkWidget *search_dialog, GtkTreeView *tree_view) { if (tree_view->priv->disable_popdown) return; if (tree_view->priv->search_entry_changed_id) { g_signal_handler_disconnect (tree_view->priv->search_entry, tree_view->priv->search_entry_changed_id); tree_view->priv->search_entry_changed_id = 0; } if (tree_view->priv->typeselect_flush_timeout) { g_source_remove (tree_view->priv->typeselect_flush_timeout); tree_view->priv->typeselect_flush_timeout = 0; } /* send focus-in event */ send_focus_change (GTK_WIDGET (tree_view->priv->search_entry), FALSE); gtk_widget_hide (search_dialog); gtk_entry_set_text (GTK_ENTRY (tree_view->priv->search_entry), ""); } static void gtk_tree_view_search_position_func (GtkTreeView *tree_view, GtkWidget *search_dialog) { gint x, y; gint tree_x, tree_y; gint tree_width, tree_height; GdkWindow *tree_window = GTK_WIDGET (tree_view)->window; GdkScreen *screen = gdk_drawable_get_screen (tree_window); GtkRequisition requisition; gtk_widget_realize (search_dialog); gdk_window_get_origin (tree_window, &tree_x, &tree_y); gdk_drawable_get_size (tree_window, &tree_width, &tree_height); gtk_widget_size_request (search_dialog, &requisition); if (tree_x + tree_width - requisition.width > gdk_screen_get_width (screen)) x = gdk_screen_get_width (screen) - requisition.width; else if (tree_x + tree_width - requisition.width < 0) x = 0; else x = tree_x + tree_width - requisition.width; if (tree_y + tree_height > gdk_screen_get_height (screen)) y = gdk_screen_get_height (screen) - requisition.height; else if (tree_y + tree_height < 0) /* isn't really possible ... */ y = 0; else y = tree_y + tree_height; gtk_window_move (GTK_WINDOW (search_dialog), x, y); } static void gtk_tree_view_search_disable_popdown (GtkEntry *entry, GtkMenu *menu, gpointer data) { GtkTreeView *tree_view = (GtkTreeView *)data; tree_view->priv->disable_popdown = 1; g_signal_connect (menu, "hide", G_CALLBACK (gtk_tree_view_search_enable_popdown), data); } /* Because we're visible but offscreen, we just set a flag in the preedit * callback. */ static void gtk_tree_view_search_preedit_changed (GtkIMContext *im_context, GtkTreeView *tree_view) { g_print ("in gtk_tree_view_search_preedit_changed\n"); tree_view->priv->imcontext_changed = 1; if (tree_view->priv->typeselect_flush_timeout) { g_source_remove (tree_view->priv->typeselect_flush_timeout); tree_view->priv->typeselect_flush_timeout = g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, tree_view); } } static gboolean gtk_tree_view_real_search_enable_popdown (gpointer data) { GtkTreeView *tree_view = (GtkTreeView *)data; GDK_THREADS_ENTER (); tree_view->priv->disable_popdown = 0; GDK_THREADS_LEAVE (); return FALSE; } static void gtk_tree_view_search_enable_popdown (GtkWidget *widget, gpointer data) { g_timeout_add (200, gtk_tree_view_real_search_enable_popdown, data); } static gboolean gtk_tree_view_search_delete_event (GtkWidget *widget, GdkEventAny *event, GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); gtk_tree_view_search_dialog_hide (widget, tree_view); return TRUE; } static gboolean gtk_tree_view_search_button_press_event (GtkWidget *widget, GdkEventButton *event, GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); gtk_tree_view_search_dialog_hide (widget, tree_view); return TRUE; } static gboolean gtk_tree_view_search_key_press_event (GtkWidget *widget, GdkEventKey *event, GtkTreeView *tree_view) { gboolean retval = FALSE; g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); /* close window */ if (event->keyval == GDK_Escape || event->keyval == GDK_Return || event->keyval == GDK_Tab) { gtk_tree_view_search_dialog_hide (widget, tree_view); return TRUE; } /* select previous matching iter */ if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up) { gtk_tree_view_search_move (widget, tree_view, TRUE); retval = TRUE; } /* select next matching iter */ if (event->keyval == GDK_Down || event->keyval == GDK_KP_Down) { gtk_tree_view_search_move (widget, tree_view, FALSE); retval = TRUE; } /* renew the flush timeout */ if (retval && tree_view->priv->typeselect_flush_timeout) { g_source_remove (tree_view->priv->typeselect_flush_timeout); tree_view->priv->typeselect_flush_timeout = g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, tree_view); } return retval; } static void gtk_tree_view_search_move (GtkWidget *window, GtkTreeView *tree_view, gboolean up) { gboolean ret; gint len; gint count = 0; const gchar *text; GtkTreeIter iter; GtkTreeModel *model; GtkTreeSelection *selection; text = gtk_entry_get_text (GTK_ENTRY (tree_view->priv->search_entry)); g_return_if_fail (text != NULL); if (up && tree_view->priv->selected_iter == 1) return; len = strlen (text); if (len < 1) return; model = gtk_tree_view_get_model (tree_view); selection = gtk_tree_view_get_selection (tree_view); /* search */ gtk_tree_selection_unselect_all (selection); gtk_tree_model_get_iter_first (model, &iter); ret = gtk_tree_view_search_iter (model, selection, &iter, text, &count, up?((tree_view->priv->selected_iter) - 1):((tree_view->priv->selected_iter + 1))); if (ret) { /* found */ tree_view->priv->selected_iter += up?(-1):(1); } else { /* return to old iter */ count = 0; gtk_tree_model_get_iter_first (model, &iter); gtk_tree_view_search_iter (model, selection, &iter, text, &count, tree_view->priv->selected_iter); } } static gboolean gtk_tree_view_search_equal_func (GtkTreeModel *model, gint column, const gchar *key, GtkTreeIter *iter, gpointer search_data) { gboolean retval = TRUE; const gchar *str; gchar *normalized_string; gchar *normalized_key; gchar *case_normalized_string = NULL; gchar *case_normalized_key = NULL; GValue value = {0,}; GValue transformed = {0,}; gtk_tree_model_get_value (model, iter, column, &value); g_value_init (&transformed, G_TYPE_STRING); if (!g_value_transform (&value, &transformed)) { g_value_unset (&value); return TRUE; } g_value_unset (&value); str = g_value_get_string (&transformed); if (!str) { g_value_unset (&transformed); return TRUE; } normalized_string = g_utf8_normalize (str, -1, G_NORMALIZE_ALL); normalized_key = g_utf8_normalize (key, -1, G_NORMALIZE_ALL); if (normalized_string && normalized_key) { case_normalized_string = g_utf8_casefold (normalized_string, -1); case_normalized_key = g_utf8_casefold (normalized_key, -1); if (strstr (case_normalized_string, case_normalized_key)) retval = FALSE; } g_value_unset (&transformed); g_free (normalized_key); g_free (normalized_string); g_free (case_normalized_key); g_free (case_normalized_string); return retval; } static gboolean gtk_tree_view_search_iter (GtkTreeModel *model, GtkTreeSelection *selection, GtkTreeIter *iter, const gchar *text, gint *count, gint n) { GtkRBTree *tree = NULL; GtkRBNode *node = NULL; GtkTreePath *path; GtkTreeView *tree_view = gtk_tree_selection_get_tree_view (selection); path = gtk_tree_model_get_path (model, iter); _gtk_tree_view_find_node (tree_view, path, &tree, &node); do { if (! tree_view->priv->search_equal_func (model, tree_view->priv->search_column, text, iter, tree_view->priv->search_user_data)) { (*count)++; if (*count == n) { gtk_tree_view_scroll_to_cell (tree_view, path, NULL, TRUE, 0.5, 0.0); gtk_tree_selection_select_iter (selection, iter); gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE); if (path) gtk_tree_path_free (path); return TRUE; } } if (node->children) { gboolean has_child; GtkTreeIter tmp; tree = node->children; node = tree->root; while (node->left != tree->nil) node = node->left; tmp = *iter; has_child = gtk_tree_model_iter_children (model, iter, &tmp); gtk_tree_path_down (path); /* sanity check */ TREE_VIEW_INTERNAL_ASSERT (has_child, FALSE); } else { gboolean done = FALSE; do { node = _gtk_rbtree_next (tree, node); if (node) { gboolean has_next; has_next = gtk_tree_model_iter_next (model, iter); done = TRUE; gtk_tree_path_next (path); /* sanity check */ TREE_VIEW_INTERNAL_ASSERT (has_next, FALSE); } else { gboolean has_parent; GtkTreeIter tmp_iter = *iter; node = tree->parent_node; tree = tree->parent_tree; if (!tree) { if (path) gtk_tree_path_free (path); /* we've run out of tree, done with this func */ return FALSE; } has_parent = gtk_tree_model_iter_parent (model, iter, &tmp_iter); gtk_tree_path_up (path); /* sanity check */ TREE_VIEW_INTERNAL_ASSERT (has_parent, FALSE); } } while (!done); } } while (1); return FALSE; } static void gtk_tree_view_search_init (GtkWidget *entry, GtkTreeView *tree_view) { gint ret; gint len; gint count = 0; const gchar *text; GtkWidget *window; GtkTreeIter iter; GtkTreeModel *model; GtkTreeSelection *selection; g_return_if_fail (GTK_IS_ENTRY (entry)); g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); window = gtk_widget_get_parent (entry); text = gtk_entry_get_text (GTK_ENTRY (entry)); len = strlen (text); model = gtk_tree_view_get_model (tree_view); selection = gtk_tree_view_get_selection (tree_view); /* search */ gtk_tree_selection_unselect_all (selection); if (tree_view->priv->typeselect_flush_timeout) { g_source_remove (tree_view->priv->typeselect_flush_timeout); tree_view->priv->typeselect_flush_timeout = g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, tree_view); } if (len < 1) return; if (!gtk_tree_model_get_iter_first (model, &iter)) return; ret = gtk_tree_view_search_iter (model, selection, &iter, text, &count, 1); if (ret) tree_view->priv->selected_iter = 1; } static void gtk_tree_view_remove_widget (GtkCellEditable *cell_editable, GtkTreeView *tree_view) { if (tree_view->priv->edited_column == NULL) return; _gtk_tree_view_column_stop_editing (tree_view->priv->edited_column); tree_view->priv->edited_column = NULL; if (GTK_WIDGET_HAS_FOCUS (cell_editable)) gtk_widget_grab_focus (GTK_WIDGET (tree_view)); gtk_container_remove (GTK_CONTAINER (tree_view), GTK_WIDGET (cell_editable)); /* FIXME should only redraw a single node */ gtk_widget_queue_draw (GTK_WIDGET (tree_view)); } static gboolean gtk_tree_view_start_editing (GtkTreeView *tree_view, GtkTreePath *cursor_path) { GtkTreeIter iter; GdkRectangle background_area; GdkRectangle cell_area; GtkCellEditable *editable_widget = NULL; gchar *path_string; guint flags = 0; /* can be 0, as the flags are primarily for rendering */ gint retval = FALSE; GtkRBTree *cursor_tree; GtkRBNode *cursor_node; g_assert (tree_view->priv->focus_column); if (! GTK_WIDGET_REALIZED (tree_view)) return FALSE; if (_gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node) || cursor_node == NULL) return FALSE; path_string = gtk_tree_path_to_string (cursor_path); gtk_tree_model_get_iter (tree_view->priv->model, &iter, cursor_path); validate_row (tree_view, cursor_tree, cursor_node, &iter, cursor_path); gtk_tree_view_column_cell_set_cell_data (tree_view->priv->focus_column, tree_view->priv->model, &iter, GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT), cursor_node->children?TRUE:FALSE); gtk_tree_view_get_background_area (tree_view, cursor_path, tree_view->priv->focus_column, &background_area); gtk_tree_view_get_cell_area (tree_view, cursor_path, tree_view->priv->focus_column, &cell_area); if (gtk_tree_view_is_expander_column (tree_view, tree_view->priv->focus_column) && TREE_VIEW_DRAW_EXPANDERS (tree_view)) { cell_area.x += tree_view->priv->expander_size; cell_area.width -= tree_view->priv->expander_size; } if (_gtk_tree_view_column_cell_event (tree_view->priv->focus_column, &editable_widget, NULL, path_string, &background_area, &cell_area, flags)) { retval = TRUE; if (editable_widget != NULL) { gint left, right; GdkRectangle area; GtkCellRenderer *cell; area = cell_area; cell = _gtk_tree_view_column_get_edited_cell (tree_view->priv->focus_column); _gtk_tree_view_column_get_neighbor_sizes (tree_view->priv->focus_column, cell, &left, &right); area.x += left; area.width -= right + left; gtk_tree_view_real_start_editing (tree_view, tree_view->priv->focus_column, cursor_path, editable_widget, &area, NULL, flags); } } g_free (path_string); return retval; } static void gtk_tree_view_real_start_editing (GtkTreeView *tree_view, GtkTreeViewColumn *column, GtkTreePath *path, GtkCellEditable *cell_editable, GdkRectangle *cell_area, GdkEvent *event, guint flags) { gint pre_val = tree_view->priv->vadjustment->value; tree_view->priv->edited_column = column; _gtk_tree_view_column_start_editing (column, GTK_CELL_EDITABLE (cell_editable)); gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE); cell_area->y += pre_val - tree_view->priv->vadjustment->value; GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS); gtk_tree_view_put (tree_view, GTK_WIDGET (cell_editable), cell_area->x, cell_area->y, cell_area->width, cell_area->height); gtk_cell_editable_start_editing (GTK_CELL_EDITABLE (cell_editable), (GdkEvent *)event); gtk_widget_grab_focus (GTK_WIDGET (cell_editable)); g_signal_connect (cell_editable, "remove_widget", G_CALLBACK (gtk_tree_view_remove_widget), tree_view); } static void gtk_tree_view_stop_editing (GtkTreeView *tree_view, gboolean cancel_editing) { GtkTreeViewColumn *column; if (tree_view->priv->edited_column == NULL) return; /* * This is very evil. We need to do this, because * gtk_cell_editable_editing_done may trigger gtk_tree_view_row_changed * later on. If gtk_tree_view_row_changed notices * tree_view->priv->edited_column != NULL, it'll call * gtk_tree_view_stop_editing again. Bad things will happen then. * * Please read that again if you intend to modify anything here. */ column = tree_view->priv->edited_column; tree_view->priv->edited_column = NULL; if (! cancel_editing) gtk_cell_editable_editing_done (column->editable_widget); tree_view->priv->edited_column = column; gtk_cell_editable_remove_widget (column->editable_widget); } /** * gtk_tree_view_set_hover_selection: * @tree_view: a #GtkTreeView * @hover: %TRUE to enable hover selection mode * * Enables of disables the hover selection mode of @tree_view. * Hover selection makes the selected row follow the pointer. * Currently, this works only for the selection modes * %GTK_SELECTION_SINGLE and %GTK_SELECTION_BROWSE. * * Since: 2.6 **/ void gtk_tree_view_set_hover_selection (GtkTreeView *tree_view, gboolean hover) { hover = hover != FALSE; if (hover != tree_view->priv->hover_selection) { tree_view->priv->hover_selection = hover; g_object_notify (G_OBJECT (tree_view), "hover-selection"); } } /** * gtk_tree_view_get_hover_selection: * @tree_view: a #GtkTreeView * * Returns whether hover selection mode is turned on for @tree_view. * * Return value: %TRUE if @tree_view is in hover selection mode * * Since: 2.6 **/ gboolean gtk_tree_view_get_hover_selection (GtkTreeView *tree_view) { return tree_view->priv->hover_selection; } /** * gtk_tree_view_get_row_separator_func: * @tree_view: a #GtkTreeView * * Returns the current row separator function. * * Return value: the current row separator function. * * Since: 2.6 **/ GtkTreeViewRowSeparatorFunc gtk_tree_view_get_row_separator_func (GtkTreeView *tree_view) { g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); return tree_view->priv->row_separator_func; } /** * gtk_tree_view_set_row_separator_func: * @tree_view: a #GtkTreeView * @func: a #GtkTreeViewRowSeparatorFunc * @data: user data to pass to @func, or %NULL * @destroy: destroy notifier for @data, or %NULL * * Sets the row separator function, which is used to determine * whether a row should be drawn as a separator. If the row separator * function is %NULL, no separators are drawn. This is the default value. * * Since: 2.6 **/ void gtk_tree_view_set_row_separator_func (GtkTreeView *tree_view, GtkTreeViewRowSeparatorFunc func, gpointer data, GtkDestroyNotify destroy) { g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); if (tree_view->priv->row_separator_destroy) (* tree_view->priv->row_separator_destroy) (tree_view->priv->row_separator_data); tree_view->priv->row_separator_func = func; tree_view->priv->row_separator_data = data; tree_view->priv->row_separator_destroy = destroy; }