/* gtktreeviewcolumn.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 "gtktreeviewcolumn.h" #include "gtktreeview.h" #include "gtktreeprivate.h" #include "gtksignal.h" #include "gtkbutton.h" #include "gtkalignment.h" #include "gtklabel.h" #include "gtkhbox.h" #include "gtkarrow.h" #include "gtkintl.h" #include enum { PROP_0, PROP_VISIBLE, PROP_WIDTH, PROP_SIZING, PROP_FIXED_WIDTH, PROP_MIN_WIDTH, PROP_MAX_WIDTH, PROP_TITLE, PROP_CLICKABLE, PROP_WIDGET, PROP_ALIGNMENT, PROP_REORDERABLE, PROP_SORT_INDICATOR, PROP_SORT_ORDER }; enum { CLICKED, LAST_SIGNAL }; typedef struct _GtkTreeViewColumnCellInfo GtkTreeViewColumnCellInfo; struct _GtkTreeViewColumnCellInfo { GtkCellRenderer *cell; GSList *attributes; GtkTreeCellDataFunc func; gpointer func_data; GtkDestroyNotify destroy; gint requested_width; guint expand : 1; guint pack : 1; guint has_focus : 1; }; /* Type methods */ static void gtk_tree_view_column_init (GtkTreeViewColumn *tree_column); static void gtk_tree_view_column_class_init (GtkTreeViewColumnClass *klass); /* GObject methods */ static void gtk_tree_view_column_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_tree_view_column_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_tree_view_column_finalize (GObject *object); /* Button handling code */ static void gtk_tree_view_column_create_button (GtkTreeViewColumn *tree_column); static void gtk_tree_view_column_update_button (GtkTreeViewColumn *tree_column); /* Button signal handlers */ static gint gtk_tree_view_column_button_event (GtkWidget *widget, GdkEvent *event, gpointer data); static void gtk_tree_view_column_button_realize (GtkWidget *widget, gpointer data); static void gtk_tree_view_column_button_clicked (GtkWidget *widget, gpointer data); /* Property handlers */ static void gtk_tree_view_model_sort_column_changed (GtkTreeSortable *sortable, GtkTreeViewColumn *tree_column); /* Internal functions */ static void gtk_tree_view_column_sort (GtkTreeViewColumn *tree_column, gpointer data); static void gtk_tree_view_column_setup_sort_column_id_callback (GtkTreeViewColumn *tree_column); static void gtk_tree_view_column_set_attributesv (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, va_list args); static GtkTreeViewColumnCellInfo *gtk_tree_view_column_get_cell_info (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer); static GtkObjectClass *parent_class = NULL; static guint tree_column_signals[LAST_SIGNAL] = { 0 }; GtkType gtk_tree_view_column_get_type (void) { static GtkType tree_column_type = 0; if (!tree_column_type) { static const GTypeInfo tree_column_info = { sizeof (GtkTreeViewColumnClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_tree_view_column_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkTreeViewColumn), 0, (GInstanceInitFunc) gtk_tree_view_column_init, }; tree_column_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkTreeViewColumn", &tree_column_info, 0); } return tree_column_type; } static void gtk_tree_view_column_class_init (GtkTreeViewColumnClass *class) { GObjectClass *object_class; object_class = (GObjectClass*) class; parent_class = g_type_class_peek_parent (class); class->clicked = NULL; object_class->finalize = gtk_tree_view_column_finalize; object_class->set_property = gtk_tree_view_column_set_property; object_class->get_property = gtk_tree_view_column_get_property; tree_column_signals[CLICKED] = g_signal_new ("clicked", GTK_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkTreeViewColumnClass, clicked), NULL, NULL, gtk_marshal_VOID__VOID, GTK_TYPE_NONE, 0); g_object_class_install_property (object_class, PROP_VISIBLE, g_param_spec_boolean ("visible", _("Visible"), _("Whether to display the column"), TRUE, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_WIDTH, g_param_spec_int ("width", _("Width"), _("Current width of the column"), 0, G_MAXINT, 0, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_SIZING, g_param_spec_enum ("sizing", _("Sizing"), _("Resize mode of the column"), GTK_TYPE_TREE_VIEW_COLUMN_SIZING, GTK_TREE_VIEW_COLUMN_AUTOSIZE, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_FIXED_WIDTH, g_param_spec_int ("fixed_width", _("Fixed Width"), _("Current fixed width of the column"), 1, G_MAXINT, 1, /* not useful */ G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_MIN_WIDTH, g_param_spec_int ("min_width", _("Minimum Width"), _("Minimum allowed width of the column"), -1, G_MAXINT, -1, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_MAX_WIDTH, g_param_spec_int ("max_width", _("Maximum Width"), _("Maximum allowed width of the column"), -1, G_MAXINT, -1, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_TITLE, g_param_spec_string ("title", _("Title"), _("Title to appear in column header"), "", G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_CLICKABLE, g_param_spec_boolean ("clickable", _("Clickable"), _("Whether the header can be clicked"), TRUE, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_WIDGET, g_param_spec_object ("widget", _("Widget"), _("Widget to put in column header button instead of column title"), GTK_TYPE_WIDGET, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_ALIGNMENT, g_param_spec_float ("alignment", _("Alignment"), _("X Alignment of the column header text or widget"), 0.0, 1.0, 0.5, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_REORDERABLE, g_param_spec_boolean ("reorderable", _("Reorderable"), _("Wether the column can be reordered around the headers"), FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_SORT_INDICATOR, g_param_spec_boolean ("sort_indicator", _("Sort indicator"), _("Whether to show a sort indicator"), FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (object_class, PROP_SORT_ORDER, g_param_spec_enum ("sort_order", _("Sort order"), _("Sort direction the sort indicator should indicate"), GTK_TYPE_SORT_TYPE, GTK_SORT_ASCENDING, G_PARAM_READABLE | G_PARAM_WRITABLE)); } static void gtk_tree_view_column_init (GtkTreeViewColumn *tree_column) { tree_column->button = NULL; tree_column->xalign = 0.0; tree_column->width = 0; tree_column->requested_width = -1; tree_column->min_width = -1; tree_column->max_width = -1; tree_column->column_type = GTK_TREE_VIEW_COLUMN_GROW_ONLY; tree_column->visible = TRUE; tree_column->clickable = FALSE; tree_column->dirty = TRUE; tree_column->sort_order = GTK_SORT_ASCENDING; tree_column->show_sort_indicator = FALSE; tree_column->property_changed_signal = 0; tree_column->sort_clicked_signal = 0; tree_column->sort_column_changed_signal = 0; tree_column->sort_column_id = -1; tree_column->reorderable = FALSE; tree_column->maybe_reordered = FALSE; } static void gtk_tree_view_column_finalize (GObject *object) { GtkTreeViewColumn *tree_column = (GtkTreeViewColumn *) object; GList *list; for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data; if (info->func_data && info->destroy) (info->destroy) (info->func_data); gtk_tree_view_column_clear_attributes (tree_column, info->cell); g_object_unref (G_OBJECT (info->cell)); g_free (info); } g_free (tree_column->title); G_OBJECT_CLASS (parent_class)->finalize (object); } static void gtk_tree_view_column_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkTreeViewColumn *tree_column; tree_column = GTK_TREE_VIEW_COLUMN (object); switch (prop_id) { case PROP_VISIBLE: gtk_tree_view_column_set_visible (tree_column, g_value_get_boolean (value)); break; case PROP_SIZING: gtk_tree_view_column_set_sizing (tree_column, g_value_get_enum (value)); break; case PROP_FIXED_WIDTH: gtk_tree_view_column_set_fixed_width (tree_column, g_value_get_int (value)); break; case PROP_MIN_WIDTH: gtk_tree_view_column_set_min_width (tree_column, g_value_get_int (value)); break; case PROP_MAX_WIDTH: gtk_tree_view_column_set_max_width (tree_column, g_value_get_int (value)); break; case PROP_TITLE: gtk_tree_view_column_set_title (tree_column, g_value_get_string (value)); break; case PROP_CLICKABLE: gtk_tree_view_column_set_clickable (tree_column, g_value_get_boolean (value)); break; case PROP_WIDGET: gtk_tree_view_column_set_widget (tree_column, (GtkWidget*) g_value_get_object (value)); break; case PROP_ALIGNMENT: gtk_tree_view_column_set_alignment (tree_column, g_value_get_float (value)); break; case PROP_REORDERABLE: gtk_tree_view_column_set_reorderable (tree_column, g_value_get_boolean (value)); break; case PROP_SORT_INDICATOR: gtk_tree_view_column_set_sort_indicator (tree_column, g_value_get_boolean (value)); break; case PROP_SORT_ORDER: gtk_tree_view_column_set_sort_order (tree_column, g_value_get_enum (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_tree_view_column_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkTreeViewColumn *tree_column; tree_column = GTK_TREE_VIEW_COLUMN (object); switch (prop_id) { case PROP_VISIBLE: g_value_set_boolean (value, gtk_tree_view_column_get_visible (tree_column)); break; case PROP_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_width (tree_column)); break; case PROP_SIZING: g_value_set_enum (value, gtk_tree_view_column_get_sizing (tree_column)); break; case PROP_FIXED_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_fixed_width (tree_column)); break; case PROP_MIN_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_min_width (tree_column)); break; case PROP_MAX_WIDTH: g_value_set_int (value, gtk_tree_view_column_get_max_width (tree_column)); break; case PROP_TITLE: g_value_set_string (value, gtk_tree_view_column_get_title (tree_column)); break; case PROP_CLICKABLE: g_value_set_boolean (value, gtk_tree_view_column_get_clickable (tree_column)); break; case PROP_WIDGET: g_value_set_object (value, (GObject*) gtk_tree_view_column_get_widget (tree_column)); break; case PROP_ALIGNMENT: g_value_set_float (value, gtk_tree_view_column_get_alignment (tree_column)); break; case PROP_REORDERABLE: g_value_set_boolean (value, gtk_tree_view_column_get_reorderable (tree_column)); break; case PROP_SORT_INDICATOR: g_value_set_boolean (value, gtk_tree_view_column_get_sort_indicator (tree_column)); break; case PROP_SORT_ORDER: g_value_set_enum (value, gtk_tree_view_column_get_sort_order (tree_column)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /* Helper functions */ /* Button handling code */ static void gtk_tree_view_column_create_button (GtkTreeViewColumn *tree_column) { GtkTreeView *tree_view; GtkWidget *child; GtkWidget *hbox; tree_view = (GtkTreeView *) tree_column->tree_view; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (tree_column->button == NULL); gtk_widget_push_composite_child (); tree_column->button = gtk_button_new (); gtk_widget_pop_composite_child (); /* make sure we own a reference to it as well. */ if (tree_view->priv->header_window) gtk_widget_set_parent_window (tree_column->button, tree_view->priv->header_window); gtk_widget_set_parent (tree_column->button, GTK_WIDGET (tree_view)); gtk_signal_connect (GTK_OBJECT (tree_column->button), "realize", (GtkSignalFunc) gtk_tree_view_column_button_realize, NULL); gtk_signal_connect (GTK_OBJECT (tree_column->button), "event", (GtkSignalFunc) gtk_tree_view_column_button_event, (gpointer) tree_column); gtk_signal_connect (GTK_OBJECT (tree_column->button), "clicked", (GtkSignalFunc) gtk_tree_view_column_button_clicked, (gpointer) tree_column); tree_column->alignment = gtk_alignment_new (tree_column->xalign, 0.5, 0.0, 0.0); hbox = gtk_hbox_new (FALSE, 2); tree_column->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_IN); if (tree_column->child) child = tree_column->child; else { child = gtk_label_new (tree_column->title); gtk_widget_show (child); } if (tree_column->xalign <= 0.5) gtk_box_pack_end (GTK_BOX (hbox), tree_column->arrow, FALSE, FALSE, 0); else gtk_box_pack_start (GTK_BOX (hbox), tree_column->arrow, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (hbox), tree_column->alignment, TRUE, TRUE, 0); gtk_container_add (GTK_CONTAINER (tree_column->alignment), child); gtk_container_add (GTK_CONTAINER (tree_column->button), hbox); gtk_widget_show (hbox); gtk_widget_show (tree_column->alignment); gtk_tree_view_column_update_button (tree_column); } static void gtk_tree_view_column_update_button (GtkTreeViewColumn *tree_column) { GtkWidget *hbox; GtkWidget *alignment; GtkWidget *arrow; GtkWidget *current_child; /* Create a button if necessary */ if (tree_column->visible && tree_column->button == NULL && tree_column->tree_view && GTK_WIDGET_REALIZED (tree_column->tree_view)) gtk_tree_view_column_create_button (tree_column); if (! tree_column->button) return; hbox = GTK_BIN (tree_column->button)->child; alignment = tree_column->alignment; arrow = tree_column->arrow; current_child = GTK_BIN (alignment)->child; /* Set up the actual button */ gtk_alignment_set (GTK_ALIGNMENT (alignment), tree_column->xalign, 0.5, 0.0, 0.0); if (tree_column->child) { if (current_child != tree_column->child) { gtk_container_remove (GTK_CONTAINER (alignment), current_child); gtk_container_add (GTK_CONTAINER (alignment), tree_column->child); } } else { if (current_child == NULL) { current_child = gtk_label_new (NULL); gtk_widget_show (current_child); gtk_container_add (GTK_CONTAINER (alignment), current_child); } g_return_if_fail (GTK_IS_LABEL (current_child)); if (tree_column->title) gtk_label_set_text (GTK_LABEL (current_child), tree_column->title); else gtk_label_set_text (GTK_LABEL (current_child), ""); } switch (tree_column->sort_order) { case GTK_SORT_ASCENDING: gtk_arrow_set (GTK_ARROW (arrow), GTK_ARROW_DOWN, GTK_SHADOW_IN); break; case GTK_SORT_DESCENDING: gtk_arrow_set (GTK_ARROW (arrow), GTK_ARROW_UP, GTK_SHADOW_IN); break; default: g_warning (G_STRLOC": bad sort order"); break; } /* Put arrow on the right if the text is left-or-center justified, * and on the left otherwise; do this by packing boxes, so flipping * text direction will reverse things */ gtk_widget_ref (arrow); gtk_container_remove (GTK_CONTAINER (hbox), arrow); if (tree_column->xalign <= 0.5) { gtk_box_pack_end (GTK_BOX (hbox), arrow, FALSE, FALSE, 0); } else { gtk_box_pack_start (GTK_BOX (hbox), arrow, FALSE, FALSE, 0); /* move it to the front */ gtk_box_reorder_child (GTK_BOX (hbox), arrow, 0); } gtk_widget_unref (arrow); if (tree_column->show_sort_indicator) gtk_widget_show (arrow); else gtk_widget_hide (arrow); /* It's always safe to hide the button. It isn't always safe to show it, as if you show it * before it's realized, it'll get the wrong window. */ if (tree_column->button && tree_column->tree_view != NULL && GTK_WIDGET_REALIZED (tree_column->tree_view)) { if (tree_column->visible) { gtk_widget_show_now (tree_column->button); if (tree_column->window) { if (tree_column->column_type == GTK_TREE_VIEW_COLUMN_RESIZABLE) { gdk_window_show (tree_column->window); gdk_window_raise (tree_column->window); } else { gdk_window_hide (tree_column->window); } } } else { gtk_widget_hide (tree_column->button); if (tree_column->window) gdk_window_hide (tree_column->window); } } if (tree_column->reorderable || tree_column->clickable) { GTK_WIDGET_SET_FLAGS (tree_column->button, GTK_CAN_FOCUS); } else { GTK_WIDGET_UNSET_FLAGS (tree_column->button, GTK_CAN_FOCUS); if (GTK_WIDGET_HAS_FOCUS (tree_column->button)) { GtkWidget *toplevel = gtk_widget_get_toplevel (tree_column->tree_view); if (GTK_WIDGET_TOPLEVEL (toplevel)) gtk_window_set_focus (GTK_WINDOW (toplevel), NULL); } } gtk_tree_view_column_cell_set_dirty (tree_column); } /* Button signal handlers */ static gint gtk_tree_view_column_button_event (GtkWidget *widget, GdkEvent *event, gpointer data) { GtkTreeViewColumn *column = (GtkTreeViewColumn *) data; g_return_val_if_fail (event != NULL, FALSE); if (event->type == GDK_BUTTON_PRESS && column->reorderable) { column->maybe_reordered = TRUE; gdk_window_get_pointer (widget->window, &column->drag_x, &column->drag_y, NULL); gtk_widget_grab_focus (widget); } if (event->type == GDK_BUTTON_RELEASE && column->maybe_reordered) column->maybe_reordered = FALSE; if (event->type == GDK_MOTION_NOTIFY && (column->maybe_reordered) && (gtk_drag_check_threshold (widget, column->drag_x, column->drag_y, (gint) ((GdkEventMotion *)event)->x, (gint) ((GdkEventMotion *)event)->y))) { column->maybe_reordered = FALSE; _gtk_tree_view_column_start_drag (GTK_TREE_VIEW (column->tree_view), column); return TRUE; } if (column->clickable == FALSE) { switch (event->type) { case GDK_BUTTON_PRESS: case GDK_2BUTTON_PRESS: case GDK_3BUTTON_PRESS: case GDK_MOTION_NOTIFY: case GDK_BUTTON_RELEASE: case GDK_ENTER_NOTIFY: case GDK_LEAVE_NOTIFY: return TRUE; default: return FALSE; } } return FALSE; } static void gtk_tree_view_column_button_realize (GtkWidget *widget, gpointer data) { gdk_window_set_events (widget->window, gdk_window_get_events (widget->window) | GDK_POINTER_MOTION_MASK); } static void gtk_tree_view_column_button_clicked (GtkWidget *widget, gpointer data) { g_signal_emit_by_name (G_OBJECT (data), "clicked"); } static void gtk_tree_view_model_sort_column_changed (GtkTreeSortable *sortable, GtkTreeViewColumn *column) { gint sort_column_id; GtkSortType order; if (gtk_tree_sortable_get_sort_column_id (sortable, &sort_column_id, &order)) { if (sort_column_id == column->sort_column_id) { gtk_tree_view_column_set_sort_indicator (column, TRUE); gtk_tree_view_column_set_sort_order (column, order); } else { gtk_tree_view_column_set_sort_indicator (column, FALSE); } } } static void gtk_tree_view_column_sort (GtkTreeViewColumn *tree_column, gpointer data) { GList *list; g_return_if_fail (tree_column->tree_view != NULL); if (tree_column->show_sort_indicator) { if (tree_column->sort_order == GTK_SORT_ASCENDING) gtk_tree_view_column_set_sort_order (tree_column, GTK_SORT_DESCENDING); else gtk_tree_view_column_set_sort_order (tree_column, GTK_SORT_ASCENDING); } else { gtk_tree_view_column_set_sort_order (tree_column, GTK_SORT_ASCENDING); gtk_tree_view_column_set_sort_indicator (tree_column, TRUE); } list = (GTK_TREE_VIEW (tree_column->tree_view)->priv->columns); g_assert (list); while (list) { GtkTreeViewColumn *tmp_column; tmp_column = GTK_TREE_VIEW_COLUMN (list->data); if (tmp_column->visible && tmp_column != tree_column) gtk_tree_view_column_set_sort_indicator (tmp_column, FALSE); list = list->next; } gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (GTK_TREE_VIEW (tree_column->tree_view)->priv->model), tree_column->sort_column_id, tree_column->sort_order); } static void gtk_tree_view_column_setup_sort_column_id_callback (GtkTreeViewColumn *tree_column) { GtkTreeModel *model; if (tree_column->tree_view == NULL) return; model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_column->tree_view)); if (model == NULL) return; if (GTK_IS_TREE_SORTABLE (model) && tree_column->sort_column_id != -1) { gint real_sort_column_id; GtkSortType real_order; if (tree_column->sort_column_changed_signal == 0) tree_column->sort_column_changed_signal = g_signal_connect (G_OBJECT (model), "sort_column_changed", GTK_SIGNAL_FUNC (gtk_tree_view_model_sort_column_changed), tree_column); if (gtk_tree_sortable_get_sort_column_id (GTK_TREE_SORTABLE (model), &real_sort_column_id, &real_order) && (real_sort_column_id == tree_column->sort_column_id)) { gtk_tree_view_column_set_sort_indicator (tree_column, TRUE); gtk_tree_view_column_set_sort_order (tree_column, real_order); return; } } } /* Exported Private Functions. * These should only be called by gtktreeview.c or gtktreeviewcolumn.c */ void _gtk_tree_view_column_realize_button (GtkTreeViewColumn *column) { GtkTreeView *tree_view; GdkWindowAttr attr; guint attributes_mask; tree_view = (GtkTreeView *)column->tree_view; g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); g_return_if_fail (GTK_WIDGET_REALIZED (tree_view)); g_return_if_fail (tree_view->priv->header_window != NULL); g_return_if_fail (column->button != NULL); gtk_widget_set_parent_window (column->button, tree_view->priv->header_window); if (column->visible) gtk_widget_show (column->button); attr.window_type = GDK_WINDOW_CHILD; attr.wclass = GDK_INPUT_ONLY; attr.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view)); attr.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view)); attr.event_mask = gtk_widget_get_events (GTK_WIDGET (tree_view)); attr.event_mask = (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_KEY_PRESS_MASK); attributes_mask = GDK_WA_CURSOR | GDK_WA_X | GDK_WA_Y; attr.cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW); tree_view->priv->cursor_drag = attr.cursor; attr.y = 0; attr.width = TREE_VIEW_DRAG_WIDTH; attr.height = tree_view->priv->header_height; attr.x = (column->button->allocation.x + column->button->allocation.width) - 3; column->window = gdk_window_new (tree_view->priv->header_window, &attr, attributes_mask); gdk_window_set_user_data (column->window, tree_view); gtk_tree_view_column_update_button (column); } void _gtk_tree_view_column_unrealize_button (GtkTreeViewColumn *column) { g_return_if_fail (column != NULL); g_return_if_fail (column->window != NULL); gdk_window_set_user_data (column->window, NULL); gdk_window_destroy (column->window); column->window = NULL; } void _gtk_tree_view_column_set_tree_view (GtkTreeViewColumn *column, GtkTreeView *tree_view) { g_assert (column->tree_view == NULL); column->tree_view = GTK_WIDGET (tree_view); gtk_tree_view_column_create_button (column); column->property_changed_signal = g_signal_connect_swapped (GTK_OBJECT (tree_view), "notify::model", GTK_SIGNAL_FUNC (gtk_tree_view_column_setup_sort_column_id_callback), column); gtk_tree_view_column_setup_sort_column_id_callback (column); } void _gtk_tree_view_column_unset_tree_view (GtkTreeViewColumn *column) { if (column->tree_view && column->button) { gtk_container_remove (GTK_CONTAINER (column->tree_view), column->button); } if (column->property_changed_signal) { g_signal_handler_disconnect (G_OBJECT (column->tree_view), column->property_changed_signal); column->property_changed_signal = 0; } if (column->sort_column_changed_signal) { g_signal_handler_disconnect (G_OBJECT (gtk_tree_view_get_model (GTK_TREE_VIEW (column->tree_view))), column->sort_column_changed_signal); column->sort_column_changed_signal = 0; } column->tree_view = NULL; column->button = NULL; } void _gtk_tree_view_column_set_width (GtkTreeViewColumn *tree_column, gint width) { if (tree_column->min_width != -1 && width <= tree_column->min_width) width = tree_column->min_width; else if (tree_column->max_width != -1 && width > tree_column->max_width) width = tree_column->max_width; if (tree_column->width == width) return; tree_column->width = width; g_object_notify (G_OBJECT (tree_column), "width"); if (tree_column->tree_view != NULL) gtk_widget_queue_resize (tree_column->tree_view); } /* Public Functions */ /** * gtk_tree_view_column_new: * * Creates a new #GtkTreeViewColumn. * * Return value: A newly created #GtkTreeViewColumn. **/ GtkTreeViewColumn * gtk_tree_view_column_new (void) { GtkTreeViewColumn *tree_column; tree_column = GTK_TREE_VIEW_COLUMN (gtk_type_new (GTK_TYPE_TREE_VIEW_COLUMN)); return tree_column; } /** * gtk_tree_view_column_new_with_attributes: * @title: The title to set the header to. * @cell: The #GtkCellRenderer. * @Varargs: A NULL terminated list of attributes. * * Creates a new #GtkTreeViewColumn with a number of default values. This is * equivalent to calling @gtk_tree_view_column_set_title, * @gtk_tree_view_column_set_cell_renderer, and * @gtk_tree_view_column_set_attributes on the newly created #GtkTreeViewColumn. * * Return value: A newly created #GtkTreeViewColumn. **/ GtkTreeViewColumn * gtk_tree_view_column_new_with_attributes (const gchar *title, GtkCellRenderer *cell, ...) { GtkTreeViewColumn *retval; va_list args; retval = gtk_tree_view_column_new (); gtk_tree_view_column_set_title (retval, title); gtk_tree_view_column_set_cell_renderer (retval, cell); va_start (args, cell); gtk_tree_view_column_set_attributesv (retval, cell, args); va_end (args); return retval; } /** * gtk_tree_view_column_set_cell_renderer: * @tree_column: A #GtkTreeViewColumn. * @cell: The #GtkCellRenderer, or NULL. * * Sets the cell renderer of the @tree_column. If there is a cell * renderer already set, then it is removed. If @cell is NULL, then * the cell renderer is unset. **/ void gtk_tree_view_column_set_cell_renderer (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell) { gtk_tree_view_column_pack_start (tree_column, cell, TRUE); } static GtkTreeViewColumnCellInfo * gtk_tree_view_column_get_cell_info (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer) { GList *list; for (list = tree_column->cell_list; list; list = list->next) if (((GtkTreeViewColumnCellInfo *)list->data)->cell == cell_renderer) return (GtkTreeViewColumnCellInfo *) list->data; return NULL; } /** * gtk_tree_view_column_pack_start: * @tree_column: A #GtkTreeViewColumn. * @cell: The #GtkCellRenderer, * @expand: TRUE if @cell is to be given extra space allocated to box. * **/ void gtk_tree_view_column_pack_start (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell, gboolean expand) { GtkTreeViewColumnCellInfo *cell_info; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); g_return_if_fail (! gtk_tree_view_column_get_cell_info (tree_column, cell)); g_object_ref (G_OBJECT (cell)); gtk_object_sink (GTK_OBJECT (cell)); cell_info = g_new0 (GtkTreeViewColumnCellInfo, 1); cell_info->cell = cell; cell_info->expand = expand ? TRUE : FALSE; cell_info->pack = GTK_PACK_START; cell_info->has_focus = 0; cell_info->attributes = NULL; tree_column->cell_list = g_list_append (tree_column->cell_list, cell_info); } void gtk_tree_view_column_pack_end (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell, gboolean expand) { GtkTreeViewColumnCellInfo *cell_info; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); g_return_if_fail (! gtk_tree_view_column_get_cell_info (tree_column, cell)); g_object_ref (G_OBJECT (cell)); gtk_object_sink (GTK_OBJECT (cell)); cell_info = g_new (GtkTreeViewColumnCellInfo, 1); cell_info->cell = cell; cell_info->expand = expand ? TRUE : FALSE; cell_info->pack = GTK_PACK_END; cell_info->has_focus = 0; cell_info->attributes = NULL; tree_column->cell_list = g_list_append (tree_column->cell_list, cell_info); } void gtk_tree_view_column_clear (GtkTreeViewColumn *tree_column) { GList *list; g_return_if_fail (tree_column != NULL); for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *)list->data; g_object_unref (G_OBJECT (info->cell)); gtk_tree_view_column_clear_attributes (tree_column, info->cell); g_free (info); } g_list_free (tree_column->cell_list); tree_column->cell_list = NULL; } GList * gtk_tree_view_column_get_cell_renderers (GtkTreeViewColumn *tree_column) { GList *retval = NULL, *list; g_return_val_if_fail (tree_column != NULL, NULL); for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *)list->data; retval = g_list_append (retval, info->cell); } return retval; } /** * gtk_tree_view_column_add_attribute: * @tree_column: A #GtkTreeViewColumn. * @cell_renderer: the #GtkCellRenderer to set attributes on * @attribute: An attribute on the renderer * @column: The column position on the model to get the attribute from. * * Adds an attribute mapping to the list in @tree_column. The @column is the * column of the model to get a value from, and the @attribute is the * parameter on @cell_renderer to be set from the value. So for example * if column 2 of the model contains strings, you could have the * "text" attribute of a #GtkCellRendererText get its values from * column 2. **/ void gtk_tree_view_column_add_attribute (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, const gchar *attribute, gint column) { GtkTreeViewColumnCellInfo *info; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); info = gtk_tree_view_column_get_cell_info (tree_column, cell_renderer); g_return_if_fail (info != NULL); info->attributes = g_slist_prepend (info->attributes, GINT_TO_POINTER (column)); info->attributes = g_slist_prepend (info->attributes, g_strdup (attribute)); if (tree_column->tree_view) gtk_tree_view_column_cell_set_dirty (tree_column); } static void gtk_tree_view_column_set_attributesv (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, va_list args) { gchar *attribute; gint column; attribute = va_arg (args, gchar *); gtk_tree_view_column_clear_attributes (tree_column, cell_renderer); while (attribute != NULL) { column = va_arg (args, gint); gtk_tree_view_column_add_attribute (tree_column, cell_renderer, attribute, column); attribute = va_arg (args, gchar *); } } /** * gtk_tree_view_column_set_attributes: * @tree_column: A #GtkTreeViewColumn. * @cell_renderer: the #GtkCellRenderer we're setting the attributes of * @Varargs: A NULL terminated listing of attributes. * * Sets the attributes in the list as the attributes of @tree_column. * The attributes should be in attribute/column order, as in * @gtk_tree_view_column_add_attribute. All existing attributes * are removed, and replaced with the new attributes. **/ void gtk_tree_view_column_set_attributes (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, ...) { va_list args; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell_renderer)); g_return_if_fail (gtk_tree_view_column_get_cell_info (tree_column, cell_renderer)); va_start (args, cell_renderer); gtk_tree_view_column_set_attributesv (tree_column, cell_renderer, args); va_end (args); } /** * gtk_tree_view_column_set_cell_data_func: * @tree_column: A #GtkTreeViewColumn * @func: The #GtkTreeViewColumnFunc to use. * @func_data: The user data for @func. * @destroy: The destroy notification for @func_data * * Sets the #GtkTreeViewColumnFunc to use for the column. This * function is used instead of the standard attributes mapping for * setting the column value, and should set the value of @tree_column's * cell renderer as appropriate. @func may be NULL to remove an * older one. **/ void gtk_tree_view_column_set_cell_data_func (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer, GtkTreeCellDataFunc func, gpointer func_data, GtkDestroyNotify destroy) { GtkTreeViewColumnCellInfo *info; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell_renderer)); info = gtk_tree_view_column_get_cell_info (tree_column, cell_renderer); g_return_if_fail (info != NULL); if (func == info->func && func_data == info->func_data && destroy == info->destroy) return; if (info->func_data && info->destroy) (info->destroy) (info->func_data); info->func = func; info->func_data = func_data; info->destroy = destroy; if (tree_column->tree_view) gtk_tree_view_column_cell_set_dirty (tree_column); } /** * gtk_tree_view_column_clear_attributes: * @tree_column: a #GtkTreeViewColumn *@cell_renderer: a #GtkCellRenderer to clear the attribute mapping on. * * Clears all existing attributes previously set with * gtk_tree_view_column_set_attributes(). **/ void gtk_tree_view_column_clear_attributes (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell_renderer) { GtkTreeViewColumnCellInfo *info; GSList *list; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (GTK_IS_CELL_RENDERER (cell_renderer)); info = gtk_tree_view_column_get_cell_info (tree_column, cell_renderer); list = info->attributes; while (list && list->next) { g_free (list->data); list = list->next->next; } g_slist_free (info->attributes); info->attributes = NULL; if (tree_column->tree_view) gtk_tree_view_column_cell_set_dirty (tree_column); } /** * gtk_tree_view_column_set_spacing: * @tree_column: A #GtkTreeViewColumn. * @spacing: distance between cell renderers in pixels. * * Sets the spacing field of @tree_column, which is the number of pixels to * place between cell renderers packed into it. **/ void gtk_tree_view_column_set_spacing (GtkTreeViewColumn *tree_column, gint spacing) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (spacing >= 0); if (tree_column->spacing == spacing) return; tree_column->spacing = spacing; if (tree_column->tree_view) gtk_tree_view_column_cell_set_dirty (tree_column); } /** * gtk_tree_view_column_get_spacing: * @tree_column: A #GtkTreeViewColumn. * * Returns the spacing of @tree_column. **/ gint gtk_tree_view_column_get_spacing (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->spacing; } /* Options for manipulating the columns */ /** * gtk_tree_view_column_set_visible: * @tree_column: A #GtkTreeViewColumn. * @visible: TRUE if the @tree_column is visible. * * Sets the visibility of @tree_column. **/ void gtk_tree_view_column_set_visible (GtkTreeViewColumn *tree_column, gboolean visible) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); visible = !! visible; if (tree_column->visible == visible) return; tree_column->visible = visible; gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "visible"); } /** * gtk_tree_view_column_get_visible: * @tree_column: A #GtkTreeViewColumn. * * Returns TRUE if @tree_column is visible. * * Return value: whether the column is visible or not. If it is visible, then * the tree will show the column. **/ gboolean gtk_tree_view_column_get_visible (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->visible; } /** * gtk_tree_view_column_set_sizing: * @tree_column: A #GtkTreeViewColumn. * @type: The #GtkTreeViewColumnSizing. * * Sets the growth behavior of @tree_column to @type. **/ void gtk_tree_view_column_set_sizing (GtkTreeViewColumn *tree_column, GtkTreeViewColumnSizing type) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (type == tree_column->column_type) return; if (tree_column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE && tree_column->requested_width != -1) { gtk_tree_view_column_set_sizing (tree_column, tree_column->requested_width); } tree_column->column_type = type; gtk_tree_view_column_update_button (tree_column); if (type != GTK_TREE_VIEW_COLUMN_AUTOSIZE) g_object_notify (G_OBJECT (tree_column), "sizing"); } /** * gtk_tree_view_column_get_sizing: * @tree_column: A #GtkTreeViewColumn. * * Returns the current type of @tree_column. * * Return value: The type of @tree_column. **/ GtkTreeViewColumnSizing gtk_tree_view_column_get_sizing (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->column_type; } /** * gtk_tree_view_column_get_width: * @tree_column: A #GtkTreeViewColumn. * * Returns the current size of the @tree_column in pixels. * * Return value: The current width of the @tree_column. **/ gint gtk_tree_view_column_get_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->width; } /** * gtk_tree_view_column_set_fixed_width: * @tree_column: A #GtkTreeViewColumn. * @width: The size to set the @tree_column to. * * Sets the size of the column in pixels. This is meaningful only if the sizing * type is #GTK_TREE_VIEW_COLUMN_FIXED. In this case, the value is discarded * as the size of the column is based on the calculated width of the column. The * width is clamped to the min/max width for the column. **/ void gtk_tree_view_column_set_fixed_width (GtkTreeViewColumn *tree_column, gint width) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (width > 0); if (tree_column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE) return; tree_column->fixed_width = width; tree_column->requested_width = width; _gtk_tree_view_column_set_width (tree_column, width); } /** * gtk_tree_view_column_get_fixed_width: * @tree_column: a #GtkTreeViewColumn * * Gets the fixed width of the column. This value is only meaning may not be the * actual width of the column on the screen, just what is requested. * * Return value: the fixed width of the column **/ gint gtk_tree_view_column_get_fixed_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->fixed_width; } /** * gtk_tree_view_column_set_min_width: * @tree_column: A #GtkTreeViewColumn. * @min_width: The minimum width of the column in pixels, or -1. * * Sets the minimum width of the @tree_column. If @min_width is -1, then the * minimum width is unset. **/ void gtk_tree_view_column_set_min_width (GtkTreeViewColumn *tree_column, gint min_width) { gint real_min_width; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (min_width >= -1); if (min_width == tree_column->min_width) return; if (tree_column->tree_view == NULL) { tree_column->min_width = min_width; return; } real_min_width = (tree_column->min_width == -1) ? tree_column->button->requisition.width : tree_column->min_width; /* We want to queue a resize if the either the old min_size or the * new min_size determined the size of the column */ if (GTK_WIDGET_REALIZED (tree_column->tree_view)) { if ((tree_column->min_width > tree_column->width) || (tree_column->min_width == -1 && tree_column->button->requisition.width > tree_column->width) || (min_width > tree_column->width) || (min_width == -1 && tree_column->button->requisition.width > tree_column->width)) gtk_widget_queue_resize (tree_column->tree_view); } if (tree_column->max_width != -1 && tree_column->max_width < real_min_width) tree_column->max_width = real_min_width; tree_column->min_width = min_width; g_object_notify (G_OBJECT (tree_column), "min_width"); } /** * gtk_tree_view_column_get_min_width: * @tree_column: A #GtkTreeViewColumn. * * Returns the minimum width in pixels of the @tree_column, or -1 if no minimum * width is set. * * Return value: The minimum width of the @tree_column. **/ gint gtk_tree_view_column_get_min_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1); return tree_column->min_width; } /** * gtk_tree_view_column_set_max_width: * @tree_column: A #GtkTreeViewColumn. * @max_width: The maximum width of the column in pixels, or -1. * * Sets the maximum width of the @tree_column. If @max_width is -1, then the * maximum width is unset. Note, the column can actually be wider than max * width if it's the last column in a view. In this case, the column expands to * fill the view. **/ void gtk_tree_view_column_set_max_width (GtkTreeViewColumn *tree_column, gint max_width) { gint real_max_width; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (max_width >= -1); if (max_width == tree_column->max_width) return; if (tree_column->tree_view == NULL) { tree_column->max_width = max_width; return; } real_max_width = tree_column->max_width == -1 ? tree_column->button->requisition.width : tree_column->max_width; if (tree_column->tree_view && GTK_WIDGET_REALIZED (tree_column->tree_view) && ((tree_column->max_width < tree_column->width) || (max_width != -1 && max_width < tree_column->width))) gtk_widget_queue_resize (tree_column->tree_view); tree_column->max_width = max_width; if (real_max_width > max_width) tree_column->max_width = max_width; g_object_notify (G_OBJECT (tree_column), "max_width"); } /** * gtk_tree_view_column_get_max_width: * @tree_column: A #GtkTreeViewColumn. * * Returns the maximum width in pixels of the @tree_column, or -1 if no maximum * width is set. * * Return value: The maximum width of the @tree_column. **/ gint gtk_tree_view_column_get_max_width (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1); return tree_column->max_width; } /** * gtk_tree_view_column_clicked: * @tree_column: a #GtkTreeViewColumn * * Emits the "clicked" signal on the column. This function will only work if * the user could have conceivably clicked on the button. **/ void gtk_tree_view_column_clicked (GtkTreeViewColumn *tree_column) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (tree_column->visible && tree_column->button && tree_column->clickable) gtk_button_clicked (GTK_BUTTON (tree_column->button)); } /** * gtk_tree_view_column_set_title: * @tree_column: A #GtkTreeViewColumn. * @title: The title of the @tree_column. * * Sets the title of the @tree_column. If a custom widget has been set, then * this value is ignored. **/ void gtk_tree_view_column_set_title (GtkTreeViewColumn *tree_column, const gchar *title) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_free (tree_column->title); if (title) tree_column->title = g_strdup (title); else tree_column->title = NULL; gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "title"); } /** * gtk_tree_view_column_get_title: * @tree_column: A #GtkTreeViewColumn. * * Returns the title of the widget. This value should not be modified. * * Return value: the title of the column. **/ G_CONST_RETURN gchar * gtk_tree_view_column_get_title (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); return tree_column->title; } /** * gtk_tree_view_column_set_clickable: * @tree_column: A #GtkTreeViewColumn. * @clickable: TRUE if the header is active. * * Sets the header to be active if @active is TRUE. When the header is active, * then it can take keyboard focus, and can be clicked. **/ void gtk_tree_view_column_set_clickable (GtkTreeViewColumn *tree_column, gboolean clickable) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (tree_column->clickable == (clickable?TRUE:FALSE)) return; tree_column->clickable = (clickable?TRUE:FALSE); gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "clickable"); } /** * gtk_tree_view_column_get_clickable: * @tree_column: a #GtkTreeViewColumn * * Returns %TRUE if the user can click on the header for the column. * * Return value: whether the user can click the column header **/ gboolean gtk_tree_view_column_get_clickable (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->clickable; } /** * gtk_tree_view_column_set_widget: * @tree_column: A #GtkTreeViewColumn. * @widget: A child #GtkWidget, or NULL. * * Sets the widget in the header to be @widget. If widget is NULL, then the * header button is set with a #GtkLabel set to the title of @tree_column. **/ void gtk_tree_view_column_set_widget (GtkTreeViewColumn *tree_column, GtkWidget *widget) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (widget == NULL || GTK_IS_WIDGET (widget)); if (widget) { gtk_object_ref (GTK_OBJECT (widget)); gtk_object_sink (GTK_OBJECT (widget)); } if (tree_column->child) gtk_object_unref (GTK_OBJECT (tree_column->child)); tree_column->child = widget; gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "widget"); } /** * gtk_tree_view_column_get_widget: * @tree_column: A #GtkTreeViewColumn. * * Returns the #GtkWidget in the button in the column header. If a custom * widget has not been set, then this will be a #GtkAlignment with a #GtkLabel * in it. * * Return value: The #GtkWidget in the column header. **/ GtkWidget * gtk_tree_view_column_get_widget (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); return tree_column->child; } /** * gtk_tree_view_column_set_alignment: * @tree_column: A #GtkTreeViewColumn. * @xalign: alignment (0.0 for left, 0.5 for center, 1.0 for right) * * Sets the alignment of the title or custom widget inside the column header. **/ void gtk_tree_view_column_set_alignment (GtkTreeViewColumn *tree_column, gfloat xalign) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (tree_column->xalign == xalign) return; tree_column->xalign = xalign; gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "alignment"); } /** * gtk_tree_view_column_get_alignment: * @tree_column: A #GtkTreeViewColumn. * * Returns the current x alignment of @tree_column. This value can range * between 0.0 and 1.0. * * Return value: The current alignent of @tree_column. **/ gfloat gtk_tree_view_column_get_alignment (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0.5); return tree_column->xalign; } void gtk_tree_view_column_set_reorderable (GtkTreeViewColumn *tree_column, gboolean reorderable) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); /* if (reorderable) gtk_tree_view_column_set_clickable (tree_column, TRUE);*/ if (tree_column->reorderable == (reorderable?TRUE:FALSE)) return; tree_column->reorderable = (reorderable?TRUE:FALSE); gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "reorderable"); } gboolean gtk_tree_view_column_get_reorderable (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->reorderable; } /** * gtk_tree_view_column_set_sort_column_id: * @tree_column: a #GtkTreeViewColumn * @sort_column_id: The sort_column_id of the model to sort on. * * Sets the logical sort_column_id that this column sorts on when this column is * selected for sorting. Doing so makes the column header clickable. **/ void gtk_tree_view_column_set_sort_column_id (GtkTreeViewColumn *tree_column, gint sort_column_id) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (sort_column_id >= 0); if (tree_column->sort_column_id == sort_column_id) return; tree_column->sort_column_id = sort_column_id; /* Handle unsetting the id */ if (sort_column_id == -1) { if (tree_column->sort_clicked_signal) { g_signal_handler_disconnect (G_OBJECT (tree_column), tree_column->sort_clicked_signal); tree_column->sort_clicked_signal = 0; } if (tree_column->sort_column_changed_signal) { g_signal_handler_disconnect (G_OBJECT (tree_column), tree_column->sort_column_changed_signal); tree_column->sort_column_changed_signal = 0; } gtk_tree_view_column_set_sort_order (tree_column, GTK_SORT_ASCENDING); gtk_tree_view_column_set_sort_indicator (tree_column, FALSE); return; } gtk_tree_view_column_set_clickable (tree_column, TRUE); if (! tree_column->sort_clicked_signal) tree_column->sort_clicked_signal = g_signal_connect (G_OBJECT (tree_column), "clicked", G_CALLBACK (gtk_tree_view_column_sort), NULL); gtk_tree_view_column_setup_sort_column_id_callback (tree_column); } /** * gtk_tree_view_column_get_sort_column_id: * @tree_column: a #GtkTreeViewColumn * * Gets the logical sort_column_id that the model sorts on when this * coumn is selected for sorting. See gtk_tree_view_column_set_sort_column_id(). * * Return value: the current sort_column_id for this column, or -1 if * this column can't be used for sorting. **/ gint gtk_tree_view_column_get_sort_column_id (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->sort_column_id; } /** * gtk_tree_view_column_set_sort_indicator: * @tree_column: a #GtkTreeViewColumn * @setting: %TRUE to display an indicator that the column is sorted * * Call this function with a @setting of %TRUE to display an arrow in * the header button indicating the column is sorted. Call * gtk_tree_view_column_set_sort_order() to change the direction of * the arrow. * **/ void gtk_tree_view_column_set_sort_indicator (GtkTreeViewColumn *tree_column, gboolean setting) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); setting = setting != FALSE; if (setting == tree_column->show_sort_indicator) return; tree_column->show_sort_indicator = setting; gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "sort_indicator"); } /** * gtk_tree_view_column_get_sort_indicator: * @tree_column: a #GtkTreeViewColumn * * Gets the value set by gtk_tree_view_column_set_sort_indicator(). * * Return value: whether the sort indicator arrow is displayed **/ gboolean gtk_tree_view_column_get_sort_indicator (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); return tree_column->show_sort_indicator; } /** * gtk_tree_view_column_set_sort_order: * @tree_column: a #GtkTreeViewColumn * @order: sort order that the sort indicator should indicate * * Changes the appearance of the sort indicator. (This does * not actually sort the model. Use * gtk_tree_view_column_set_sort_column_id() if you want automatic sorting * support. This function is primarily for custom sorting behavior, and should * be used in conjunction with #gtk_tree_sortable_set_sort_column() to do * that. For custom models, the mechanism will vary. The sort indicator changes * direction to indicate normal sort or reverse sort. Note that you must have * the sort indicator enabled to see anything when calling this function; see * gtk_tree_view_column_set_sort_indicator(). * **/ void gtk_tree_view_column_set_sort_order (GtkTreeViewColumn *tree_column, GtkSortType order) { g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (order == tree_column->sort_order) return; tree_column->sort_order = order; gtk_tree_view_column_update_button (tree_column); g_object_notify (G_OBJECT (tree_column), "sort_order"); } /** * gtk_tree_view_column_get_sort_order: * @tree_column: a #GtkTreeViewColumn * * Gets the value set by gtk_tree_view_column_set_sort_order(). * * Return value: the sort order the sort indicator is indicating **/ GtkSortType gtk_tree_view_column_get_sort_order (GtkTreeViewColumn *tree_column) { g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); return tree_column->sort_order; } /** * gtk_tree_view_column_cell_set_cell_data: * @tree_column: A #GtkTreeViewColumn. * @tree_model: The #GtkTreeModel to to get the cell renderers attributes from. * @iter: The #GtkTreeIter to to get the cell renderer's attributes from. * @is_expander: TRUE, if the row has children * @is_expanded: TRUE, if the row has visible children * * Sets the cell renderer based on the @tree_model and @tree_node. That is, for * every attribute mapping in @tree_column, it will get a value from the set * column on the @tree_node, and use that value to set the attribute on the cell * renderer. This is used primarily by the GtkTreeView. **/ void gtk_tree_view_column_cell_set_cell_data (GtkTreeViewColumn *tree_column, GtkTreeModel *tree_model, GtkTreeIter *iter, gboolean is_expander, gboolean is_expanded) { GSList *list; GValue value = { 0, }; GList *cell_list; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (tree_column->cell_list != NULL); if (tree_model == NULL) return; for (cell_list = tree_column->cell_list; cell_list; cell_list = cell_list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) cell_list->data; GObject *cell = (GObject *) info->cell; list = info->attributes; g_object_freeze_notify (cell); g_object_set (cell, "is_expander", is_expander, "is_expanded", is_expanded, NULL); while (list && list->next) { gtk_tree_model_get_value (tree_model, iter, GPOINTER_TO_INT (list->next->data), &value); g_object_set_property (cell, (gchar *) list->data, &value); g_value_unset (&value); list = list->next->next; } if (info->func) (* info->func) (tree_column, info->cell, tree_model, iter, info->func_data); g_object_thaw_notify (G_OBJECT (info->cell)); } } /** * gtk_tree_view_column_cell_get_size: * @tree_column: A #GtkTreeViewColumn. * @cell_area: The area a the column will be allocated, or %NULL * @x_offset: location to return x offset of cell relative to @cell_area, or %NULL * @y_offset: location to return y offset of cell relative to @cell_area, or %NULL * @width: location to return width needed to render a cell, or %NULL * @height: location to return height needed to render a cell, or %NULL * * Obtains the width and height needed to render the column. This is used * primarily by the GtkTreeView. **/ void gtk_tree_view_column_cell_get_size (GtkTreeViewColumn *tree_column, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height) { GList *list; gboolean first_cell = TRUE; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); if (height) * height = 0; if (width) * width = 0; for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data; gboolean visible; gint new_height = 0; gint new_width = 0; g_object_get (info->cell, "visible", &visible, NULL); if (visible == FALSE) continue; if (first_cell == FALSE && *width) *width += tree_column->spacing; gtk_cell_renderer_get_size (info->cell, tree_column->tree_view, cell_area, x_offset, y_offset, &new_width, &new_height); if (height) * height = MAX (*height, new_height); info->requested_width = MAX (info->requested_width, new_width); if (width) * width += info->requested_width; first_cell = TRUE; } } /** * gtk_tree_view_column_cell_render: * @tree_column: A #GtkTreeViewColumn. * @window: a #GdkDrawable to draw to * @background_area: entire cell area (including tree expanders and maybe padding on the sides) * @cell_area: area normally rendered by a cell renderer * @expose_area: area that actually needs updating * @flags: flags that affect rendering * * Renders the cell contained by #tree_column. This is used primarily by the * GtkTreeView. **/ void gtk_tree_view_column_cell_render (GtkTreeViewColumn *tree_column, GdkWindow *window, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags) { GList *list; GdkRectangle real_cell_area; gint expand_cell_count = 0; gint full_requested_width = 0; gint extra_space; g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); g_return_if_fail (background_area != NULL); g_return_if_fail (cell_area != NULL); g_return_if_fail (expose_area != NULL); real_cell_area = *cell_area; /* Find out how my extra space we have to allocate */ for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data; gboolean visible; g_object_get (info->cell, "visible", &visible, NULL); if (visible == FALSE) continue; if (info->expand == TRUE) expand_cell_count ++; full_requested_width += info->requested_width; } extra_space = cell_area->width - full_requested_width; if (extra_space < 0) extra_space = 0; for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data; gboolean visible; if (info->pack == GTK_PACK_END) continue; g_object_get (info->cell, "visible", &visible, NULL); if (visible == FALSE) continue; real_cell_area.width = info->requested_width + (info->expand?extra_space:0); gtk_cell_renderer_render (info->cell, window, tree_column->tree_view, background_area, &real_cell_area, expose_area, flags); real_cell_area.x += (info->requested_width + tree_column->spacing); } for (list = g_list_last (tree_column->cell_list); list; list = list->prev) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data; gboolean visible; if (info->pack == GTK_PACK_START) continue; g_object_get (info->cell, "visible", &visible, NULL); if (visible == FALSE) continue; real_cell_area.width = info->requested_width + (info->expand?extra_space:0); gtk_cell_renderer_render (info->cell, window, tree_column->tree_view, background_area, &real_cell_area, expose_area, flags); real_cell_area.x += (info->requested_width + tree_column->spacing); } } /** * gtk_tree_view_column_cell_event: * @tree_column: A #GtkTreeViewColumn. * @event: a #GdkEvent * @path_string: widget-dependent string representation of the event location; e.g. for #GtkTreeView, a string representation of #GtkTreePath * @background_area: background area as passed to gtk_cell_renderer_render() * @cell_area: cell area as passed to gtk_cell_renderer_render() * @flags: render flags * * Handles an event. This is used primarily by the GtkTreeView. * * Return value: %TRUE if the event was consumed/handled **/ gboolean gtk_tree_view_column_cell_event (GtkTreeViewColumn *tree_column, GdkEvent *event, gchar *path_string, GdkRectangle *background_area, GdkRectangle *cell_area, guint flags) { gboolean visible, can_activate; g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); g_object_get (G_OBJECT (((GtkTreeViewColumnCellInfo *) tree_column->cell_list->data)->cell), "visible", &visible, "can_activate", &can_activate, NULL); if (visible && can_activate) { if (gtk_cell_renderer_activate (((GtkTreeViewColumnCellInfo *) tree_column->cell_list->data)->cell, event, tree_column->tree_view, path_string, background_area, cell_area, flags)) return TRUE; } return FALSE; } gboolean gtk_tree_view_column_cell_focus (GtkTreeViewColumn *tree_column, gint direction, gboolean unfocus) { if (unfocus) GTK_TREE_VIEW (tree_column->tree_view)->priv->focus_column = NULL; else GTK_TREE_VIEW (tree_column->tree_view)->priv->focus_column = tree_column; return TRUE; } void gtk_tree_view_column_cell_draw_focus (GtkTreeViewColumn *tree_column, GdkWindow *window, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, guint flags) { gtk_paint_focus (tree_column->tree_view->style, window, NULL, tree_column->tree_view, "treeview", cell_area->x, cell_area->y, cell_area->width-1, cell_area->height); } gboolean gtk_tree_view_column_cell_is_visible (GtkTreeViewColumn *tree_column) { GList *list; for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data; gboolean visible; g_object_get (G_OBJECT (info->cell), "visible", &visible, NULL); if (visible) return TRUE; } return FALSE; } void gtk_tree_view_column_cell_set_dirty (GtkTreeViewColumn *tree_column) { GList *list; for (list = tree_column->cell_list; list; list = list->next) { GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data; info->requested_width = 0; } tree_column->dirty = TRUE; if (tree_column->tree_view) gtk_widget_queue_resize (tree_column->tree_view); }