forked from AuroraMiddleware/gtk
d3b83098ad
Tue Jan 29 17:16:17 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtklayout.c: Patch from Jacob Berkman to fix problem
when the height/width of a layout was set before the
adjustments were added. (#66294)
* gtk/gtktreeview.c: Warning cleanups.
9720 lines
280 KiB
C
9720 lines
280 KiB
C
/* gtktreeview.c
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* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtktreeview.h"
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#include "gtkrbtree.h"
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#include "gtktreednd.h"
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#include "gtktreeprivate.h"
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#include "gtkcellrenderer.h"
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#include "gtksignal.h"
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#include "gtkmain.h"
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#include "gtkmarshalers.h"
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#include "gtkbutton.h"
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#include "gtkalignment.h"
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#include "gtklabel.h"
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#include "gtkhbox.h"
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#include "gtkarrow.h"
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#include "gtkintl.h"
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#include "gtkbindings.h"
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#include "gtkcontainer.h"
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#include "gtkentry.h"
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#include "gtktreemodelsort.h"
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#include <string.h>
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#include <gdk/gdkkeysyms.h>
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#define GTK_TREE_VIEW_SEARCH_DIALOG_KEY "gtk-tree-view-search-dialog"
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#define GTK_TREE_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5)
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#define GTK_TREE_VIEW_NUM_ROWS_PER_IDLE 50
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#define SCROLL_EDGE_SIZE 15
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#define EXPANDER_EXTRA_PADDING 4
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/* The "background" areas of all rows/cells add up to cover the entire tree.
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* The background includes all inter-row and inter-cell spacing.
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* The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(),
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* i.e. just the cells, no spacing.
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*/
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#define BACKGROUND_HEIGHT(node) (GTK_RBNODE_GET_HEIGHT (node))
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#define CELL_HEIGHT(node, separator) ((BACKGROUND_HEIGHT (node)) - (separator))
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#define TREE_WINDOW_Y_TO_RBTREE_Y(tree_view,y) ((y) + tree_view->priv->dy)
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#define RBTREE_Y_TO_TREE_WINDOW_Y(tree_view,y) ((y) - tree_view->priv->dy)
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/* This is in Window coordinates */
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#define BACKGROUND_FIRST_PIXEL(tree_view,tree,node) (RBTREE_Y_TO_TREE_WINDOW_Y (tree_view, _gtk_rbtree_node_find_offset ((tree), (node))))
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#define CELL_FIRST_PIXEL(tree_view,tree,node,separator) (BACKGROUND_FIRST_PIXEL (tree_view,tree,node) + separator/2)
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typedef struct _GtkTreeViewChild GtkTreeViewChild;
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struct _GtkTreeViewChild
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{
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GtkWidget *widget;
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gint x;
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gint y;
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gint width;
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gint height;
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};
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typedef struct _TreeViewDragInfo TreeViewDragInfo;
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struct _TreeViewDragInfo
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{
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GdkModifierType start_button_mask;
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GtkTargetList *source_target_list;
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GdkDragAction source_actions;
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GtkTargetList *dest_target_list;
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guint source_set : 1;
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guint dest_set : 1;
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};
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/* Signals */
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enum
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{
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ROW_ACTIVATED,
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TEST_EXPAND_ROW,
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TEST_COLLAPSE_ROW,
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ROW_EXPANDED,
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ROW_COLLAPSED,
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COLUMNS_CHANGED,
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CURSOR_CHANGED,
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MOVE_CURSOR,
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SELECT_ALL,
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SELECT_CURSOR_ROW,
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TOGGLE_CURSOR_ROW,
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EXPAND_COLLAPSE_CURSOR_ROW,
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SELECT_CURSOR_PARENT,
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START_INTERACTIVE_SEARCH,
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LAST_SIGNAL
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};
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/* Properties */
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enum {
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PROP_0,
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PROP_MODEL,
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PROP_HADJUSTMENT,
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PROP_VADJUSTMENT,
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PROP_HEADERS_VISIBLE,
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PROP_HEADERS_CLICKABLE,
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PROP_EXPANDER_COLUMN,
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PROP_REORDERABLE,
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PROP_RULES_HINT,
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PROP_ENABLE_SEARCH,
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PROP_SEARCH_COLUMN,
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};
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static void gtk_tree_view_class_init (GtkTreeViewClass *klass);
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static void gtk_tree_view_init (GtkTreeView *tree_view);
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/* object signals */
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static void gtk_tree_view_finalize (GObject *object);
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static void gtk_tree_view_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_tree_view_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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/* gtkobject signals */
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static void gtk_tree_view_destroy (GtkObject *object);
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/* gtkwidget signals */
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static void gtk_tree_view_realize (GtkWidget *widget);
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static void gtk_tree_view_unrealize (GtkWidget *widget);
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static void gtk_tree_view_map (GtkWidget *widget);
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static void gtk_tree_view_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_tree_view_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static gboolean gtk_tree_view_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gboolean gtk_tree_view_key_press (GtkWidget *widget,
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GdkEventKey *event);
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static gboolean gtk_tree_view_motion (GtkWidget *widget,
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GdkEventMotion *event);
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static gboolean gtk_tree_view_enter_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static gboolean gtk_tree_view_leave_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static gboolean gtk_tree_view_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gboolean gtk_tree_view_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static void gtk_tree_view_set_focus_child (GtkContainer *container,
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GtkWidget *child);
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static gint gtk_tree_view_focus_in (GtkWidget *widget,
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GdkEventFocus *event);
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static gint gtk_tree_view_focus_out (GtkWidget *widget,
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GdkEventFocus *event);
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static gint gtk_tree_view_focus (GtkWidget *widget,
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GtkDirectionType direction);
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static void gtk_tree_view_style_set (GtkWidget *widget,
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GtkStyle *previous_style);
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/* container signals */
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static void gtk_tree_view_remove (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_tree_view_forall (GtkContainer *container,
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gboolean include_internals,
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GtkCallback callback,
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gpointer callback_data);
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/* Source side drag signals */
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static void gtk_tree_view_drag_begin (GtkWidget *widget,
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GdkDragContext *context);
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static void gtk_tree_view_drag_end (GtkWidget *widget,
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GdkDragContext *context);
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static void gtk_tree_view_drag_data_get (GtkWidget *widget,
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GdkDragContext *context,
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GtkSelectionData *selection_data,
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guint info,
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guint time);
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static void gtk_tree_view_drag_data_delete (GtkWidget *widget,
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GdkDragContext *context);
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/* Target side drag signals */
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static void gtk_tree_view_drag_leave (GtkWidget *widget,
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GdkDragContext *context,
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guint time);
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static gboolean gtk_tree_view_drag_motion (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time);
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static gboolean gtk_tree_view_drag_drop (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time);
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static void gtk_tree_view_drag_data_received (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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GtkSelectionData *selection_data,
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guint info,
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guint time);
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/* tree_model signals */
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static void gtk_tree_view_set_adjustments (GtkTreeView *tree_view,
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GtkAdjustment *hadj,
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GtkAdjustment *vadj);
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static void gtk_tree_view_real_move_cursor (GtkTreeView *tree_view,
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GtkMovementStep step,
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gint count);
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static void gtk_tree_view_real_select_all (GtkTreeView *tree_view);
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static void gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view,
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gboolean start_editing);
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static void gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view);
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static void gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view,
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gboolean logical,
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gboolean expand,
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gboolean open_all);
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static void gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view);
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static void gtk_tree_view_row_changed (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data);
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static void gtk_tree_view_row_inserted (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data);
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static void gtk_tree_view_row_has_child_toggled (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data);
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static void gtk_tree_view_row_deleted (GtkTreeModel *model,
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GtkTreePath *path,
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gpointer data);
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static void gtk_tree_view_rows_reordered (GtkTreeModel *model,
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GtkTreePath *parent,
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GtkTreeIter *iter,
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gint *new_order,
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gpointer data);
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/* Incremental reflow */
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static gboolean validate_row (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkRBNode *node,
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GtkTreeIter *iter,
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GtkTreePath *path);
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static void validate_visible_area (GtkTreeView *tree_view);
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static gboolean validate_rows_handler (GtkTreeView *tree_view);
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static gboolean presize_handler_callback (gpointer data);
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static void install_presize_handler (GtkTreeView *tree_view);
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static void gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view);
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/* Internal functions */
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static gboolean gtk_tree_view_is_expander_column (GtkTreeView *tree_view,
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GtkTreeViewColumn *column);
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static void gtk_tree_view_add_move_binding (GtkBindingSet *binding_set,
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guint keyval,
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guint modmask,
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GtkMovementStep step,
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gint count);
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static gint gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view,
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GtkRBTree *tree);
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static void gtk_tree_view_queue_draw_path (GtkTreeView *tree_view,
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GtkTreePath *path,
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GdkRectangle *clip_rect);
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static void gtk_tree_view_queue_draw_arrow (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkRBNode *node,
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GdkRectangle *clip_rect);
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static void gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkRBNode *node,
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gint x,
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gint y);
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static void gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
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GtkRBTree *tree,
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gint *x1,
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gint *x2);
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static gint gtk_tree_view_new_column_width (GtkTreeView *tree_view,
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gint i,
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gint *x);
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static void gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
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GtkTreeView *tree_view);
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static void gtk_tree_view_build_tree (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkTreeIter *iter,
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gint depth,
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gboolean recurse);
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static gboolean gtk_tree_view_discover_dirty_iter (GtkTreeView *tree_view,
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GtkTreeIter *iter,
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gint depth,
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gint *height,
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GtkRBNode *node);
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static void gtk_tree_view_discover_dirty (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkTreeIter *iter,
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gint depth);
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static void gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view,
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GtkRBTree *tree,
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GtkRBNode *node);
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static void gtk_tree_view_clamp_column_visible (GtkTreeView *tree_view,
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GtkTreeViewColumn *column);
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static gboolean gtk_tree_view_maybe_begin_dragging_row (GtkTreeView *tree_view,
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GdkEventMotion *event);
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static void gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view);
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static void gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
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gint count);
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static void gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
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gint count);
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static void gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
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gint count);
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static void gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view,
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gint count);
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static gboolean gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
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GtkTreePath *path,
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GtkRBTree *tree,
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GtkRBNode *node,
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gboolean animate);
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static gboolean gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
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GtkTreePath *path,
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GtkRBTree *tree,
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GtkRBNode *node,
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gboolean open_all,
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gboolean animate);
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static void gtk_tree_view_real_set_cursor (GtkTreeView *tree_view,
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GtkTreePath *path,
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gboolean clear_and_select);
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/* interactive search */
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static void gtk_tree_view_search_dialog_destroy (GtkWidget *search_dialog,
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GtkTreeView *tree_view);
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static void gtk_tree_view_search_position_func (GtkTreeView *tree_view,
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GtkWidget *search_dialog);
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static gboolean gtk_tree_view_search_delete_event (GtkWidget *widget,
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GdkEventAny *event,
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GtkTreeView *tree_view);
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static gboolean gtk_tree_view_search_button_press_event (GtkWidget *widget,
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GdkEventButton *event,
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GtkTreeView *tree_view);
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static gboolean gtk_tree_view_search_key_press_event (GtkWidget *entry,
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GdkEventKey *event,
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GtkTreeView *tree_view);
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static void gtk_tree_view_search_move (GtkWidget *window,
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GtkTreeView *tree_view,
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gboolean up);
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static gboolean gtk_tree_view_search_equal_func (GtkTreeModel *model,
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gint column,
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const gchar *key,
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GtkTreeIter *iter,
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gpointer search_data);
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static gboolean gtk_tree_view_search_iter (GtkTreeModel *model,
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GtkTreeSelection *selection,
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GtkTreeIter *iter,
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const gchar *text,
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gint *count,
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gint n);
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static void gtk_tree_view_search_init (GtkWidget *entry,
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GtkTreeView *tree_view);
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static void gtk_tree_view_put (GtkTreeView *tree_view,
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GtkWidget *child_widget,
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gint x,
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gint y,
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gint width,
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gint height);
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static gboolean gtk_tree_view_start_editing (GtkTreeView *tree_view,
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GtkTreePath *cursor_path);
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static void gtk_tree_view_real_start_editing (GtkTreeView *tree_view,
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GtkTreeViewColumn *column,
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GtkTreePath *path,
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GtkCellEditable *cell_editable,
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GdkRectangle *cell_area,
|
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GdkEvent *event,
|
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guint flags);
|
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static void gtk_tree_view_stop_editing (GtkTreeView *tree_view,
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gboolean cancel_editing);
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static void gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view);
|
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|
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|
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static GtkContainerClass *parent_class = NULL;
|
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static guint tree_view_signals [LAST_SIGNAL] = { 0 };
|
||
|
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|
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|
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/* GType Methods
|
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*/
|
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GtkType
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gtk_tree_view_get_type (void)
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{
|
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static GtkType tree_view_type = 0;
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|
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if (!tree_view_type)
|
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{
|
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static const GTypeInfo tree_view_info =
|
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{
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sizeof (GtkTreeViewClass),
|
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NULL, /* base_init */
|
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NULL, /* base_finalize */
|
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(GClassInitFunc) gtk_tree_view_class_init,
|
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NULL, /* class_finalize */
|
||
NULL, /* class_data */
|
||
sizeof (GtkTreeView),
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||
0, /* n_preallocs */
|
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(GInstanceInitFunc) gtk_tree_view_init
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};
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tree_view_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkTreeView", &tree_view_info, 0);
|
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}
|
||
|
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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;
|
||
|
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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->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->enter_notify_event = gtk_tree_view_enter_notify;
|
||
widget_class->leave_notify_event = gtk_tree_view_leave_notify;
|
||
widget_class->focus_in_event = gtk_tree_view_focus_in;
|
||
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->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->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_real_start_interactive_search;
|
||
|
||
/* Properties */
|
||
|
||
g_object_class_install_property (o_class,
|
||
PROP_MODEL,
|
||
g_param_spec_object ("model",
|
||
_("TreeView Model"),
|
||
_("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",
|
||
_("Horizontal Adjustment"),
|
||
_("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",
|
||
_("Vertical Adjustment"),
|
||
_("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",
|
||
_("Visible"),
|
||
_("Show the column header buttons"),
|
||
FALSE,
|
||
G_PARAM_READWRITE));
|
||
|
||
g_object_class_install_property (o_class,
|
||
PROP_HEADERS_CLICKABLE,
|
||
g_param_spec_boolean ("headers_clickable",
|
||
_("Headers Clickable"),
|
||
_("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",
|
||
_("Expander Column"),
|
||
_("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",
|
||
_("Reorderable"),
|
||
_("View is reorderable"),
|
||
FALSE,
|
||
G_PARAM_READWRITE));
|
||
|
||
g_object_class_install_property (o_class,
|
||
PROP_RULES_HINT,
|
||
g_param_spec_boolean ("rules_hint",
|
||
_("Rules Hint"),
|
||
_("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",
|
||
_("Enable Search"),
|
||
_("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",
|
||
_("Search Column"),
|
||
_("Model column to search through when searching through code"),
|
||
-1,
|
||
G_MAXINT,
|
||
0,
|
||
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",
|
||
_("Expander Size"),
|
||
_("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",
|
||
_("Vertical Separator Width"),
|
||
_("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",
|
||
_("Horizontal Separator Width"),
|
||
_("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",
|
||
_("Allow Rules"),
|
||
_("Allow drawing of alternating color rows."),
|
||
TRUE,
|
||
G_PARAM_READABLE));
|
||
|
||
gtk_widget_class_install_style_property (widget_class,
|
||
g_param_spec_boolean ("indent_expanders",
|
||
_("Indent Expanders"),
|
||
_("Make the expanders indented."),
|
||
TRUE,
|
||
G_PARAM_READABLE));
|
||
/* Signals */
|
||
widget_class->set_scroll_adjustments_signal =
|
||
gtk_signal_new ("set_scroll_adjustments",
|
||
GTK_RUN_LAST,
|
||
GTK_CLASS_TYPE (object_class),
|
||
GTK_SIGNAL_OFFSET (GtkTreeViewClass, set_scroll_adjustments),
|
||
_gtk_marshal_VOID__OBJECT_OBJECT,
|
||
GTK_TYPE_NONE, 2,
|
||
GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
|
||
|
||
tree_view_signals[ROW_ACTIVATED] =
|
||
gtk_signal_new ("row_activated",
|
||
GTK_RUN_LAST | GTK_RUN_ACTION,
|
||
GTK_CLASS_TYPE (object_class),
|
||
GTK_SIGNAL_OFFSET (GtkTreeViewClass, row_activated),
|
||
_gtk_marshal_VOID__BOXED_OBJECT,
|
||
GTK_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 (object_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 (object_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 (object_class),
|
||
G_SIGNAL_RUN_LAST,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, row_expanded),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__BOXED_BOXED,
|
||
GTK_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 (object_class),
|
||
G_SIGNAL_RUN_LAST,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, row_collapsed),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__BOXED_BOXED,
|
||
GTK_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 (object_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 (object_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 | GTK_RUN_ACTION,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, move_cursor),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__ENUM_INT,
|
||
GTK_TYPE_NONE, 2, GTK_TYPE_MOVEMENT_STEP, GTK_TYPE_INT);
|
||
|
||
tree_view_signals[SELECT_ALL] =
|
||
g_signal_new ("select_all",
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, select_all),
|
||
NULL, NULL,
|
||
_gtk_marshal_NONE__NONE,
|
||
GTK_TYPE_NONE, 0);
|
||
|
||
tree_view_signals[SELECT_CURSOR_ROW] =
|
||
g_signal_new ("select_cursor_row",
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_row),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__BOOLEAN,
|
||
GTK_TYPE_NONE, 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 | GTK_RUN_ACTION,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, toggle_cursor_row),
|
||
NULL, NULL,
|
||
_gtk_marshal_NONE__NONE,
|
||
GTK_TYPE_NONE, 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 | GTK_RUN_ACTION,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, expand_collapse_cursor_row),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__BOOLEAN_BOOLEAN_BOOLEAN,
|
||
GTK_TYPE_NONE, 3, GTK_TYPE_BOOL, GTK_TYPE_BOOL, GTK_TYPE_BOOL);
|
||
|
||
tree_view_signals[SELECT_CURSOR_PARENT] =
|
||
g_signal_new ("select_cursor_parent",
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_parent),
|
||
NULL, NULL,
|
||
_gtk_marshal_NONE__NONE,
|
||
GTK_TYPE_NONE, 0);
|
||
|
||
tree_view_signals[START_INTERACTIVE_SEARCH] =
|
||
g_signal_new ("start_interactive_search",
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
|
||
G_STRUCT_OFFSET (GtkTreeViewClass, start_interactive_search),
|
||
NULL, NULL,
|
||
_gtk_marshal_NONE__NONE,
|
||
GTK_TYPE_NONE, 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_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_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_Page_Down, 0,
|
||
GTK_MOVEMENT_PAGES, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Right, 0, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
|
||
GTK_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Left, 0, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
|
||
GTK_TYPE_INT, -1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_CONTROL_MASK, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
|
||
GTK_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_CONTROL_MASK, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
|
||
GTK_TYPE_INT, -1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_CONTROL_MASK|GDK_SHIFT_MASK, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
|
||
GTK_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_CONTROL_MASK|GDK_SHIFT_MASK, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
|
||
GTK_TYPE_INT, -1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_f, GDK_CONTROL_MASK, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_LOGICAL_POSITIONS,
|
||
GTK_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_b, GDK_CONTROL_MASK, "move_cursor", 2,
|
||
GTK_TYPE_ENUM, GTK_MOVEMENT_LOGICAL_POSITIONS,
|
||
GTK_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_space, GDK_SHIFT_MASK, "select_cursor_row", 1,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select_cursor_row", 1,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
|
||
/* expand and collapse rows */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_plus, 0, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE,
|
||
GTK_TYPE_BOOL, FALSE);
|
||
/* Not doable on US keyboards */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_plus, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, 0, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE,
|
||
GTK_TYPE_BOOL, FALSE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, TRUE,
|
||
GTK_TYPE_BOOL, TRUE,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_minus, 0, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, FALSE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_minus, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, 0, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, FALSE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, FALSE,
|
||
GTK_TYPE_BOOL, TRUE);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0, "select_cursor_parent", 0);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_s, GDK_CONTROL_MASK, "start_interactive_search", 0);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_S, 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);
|
||
|
||
tree_view->priv->flags = GTK_TREE_VIEW_IS_LIST | 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;
|
||
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;
|
||
}
|
||
|
||
|
||
|
||
/* 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));
|
||
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;
|
||
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;
|
||
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);
|
||
|
||
if (G_OBJECT_CLASS (parent_class)->finalize)
|
||
(* G_OBJECT_CLASS (parent_class)->finalize) (object);
|
||
}
|
||
|
||
|
||
|
||
/* GtkObject Methods
|
||
*/
|
||
|
||
static void
|
||
gtk_tree_view_destroy (GtkObject *object)
|
||
{
|
||
GtkTreeView *tree_view = GTK_TREE_VIEW (object);
|
||
GtkWidget *search_dialog;
|
||
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_path_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->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 */
|
||
search_dialog = gtk_object_get_data (GTK_OBJECT (tree_view),
|
||
GTK_TREE_VIEW_SEARCH_DIALOG_KEY);
|
||
if (search_dialog)
|
||
gtk_tree_view_search_dialog_destroy (search_dialog,
|
||
tree_view);
|
||
|
||
if (tree_view->priv->search_user_data)
|
||
{
|
||
(* tree_view->priv->search_destroy) (tree_view->priv->search_user_data);
|
||
tree_view->priv->search_user_data = NULL;
|
||
}
|
||
|
||
gtk_tree_view_set_model (tree_view, 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)
|
||
{
|
||
gtk_timeout_remove (tree_view->priv->scroll_timeout);
|
||
tree_view->priv->scroll_timeout = 0;
|
||
}
|
||
|
||
if (tree_view->priv->open_dest_timeout != 0)
|
||
{
|
||
gtk_timeout_remove (tree_view->priv->open_dest_timeout);
|
||
tree_view->priv->open_dest_timeout = 0;
|
||
}
|
||
|
||
if (tree_view->priv->expand_collapse_timeout != 0)
|
||
{
|
||
gtk_timeout_remove (tree_view->priv->expand_collapse_timeout);
|
||
tree_view->priv->expand_collapse_timeout = 0;
|
||
}
|
||
|
||
if (tree_view->priv->presize_handler_timer != 0)
|
||
{
|
||
gtk_timeout_remove (tree_view->priv->presize_handler_timer);
|
||
tree_view->priv->presize_handler_timer = 0;
|
||
}
|
||
|
||
if (tree_view->priv->validate_rows_timer != 0)
|
||
{
|
||
gtk_timeout_remove (tree_view->priv->validate_rows_timer);
|
||
tree_view->priv->validate_rows_timer = 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);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
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->height = 0;
|
||
return;
|
||
}
|
||
|
||
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 50 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_handler (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);
|
||
}
|
||
}
|
||
|
||
/* GtkWidget::size_allocate helper */
|
||
static void
|
||
gtk_tree_view_size_allocate_columns (GtkWidget *widget)
|
||
{
|
||
GtkTreeView *tree_view;
|
||
GList *list, *last_column;
|
||
GtkTreeViewColumn *column;
|
||
GtkAllocation allocation;
|
||
gint width = 0;
|
||
|
||
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;
|
||
|
||
allocation.y = 0;
|
||
allocation.height = tree_view->priv->header_height;
|
||
|
||
for (list = tree_view->priv->columns; list != last_column->next; list = list->next)
|
||
{
|
||
gint real_requested_width = 0;
|
||
column = list->data;
|
||
if (!column->visible)
|
||
continue;
|
||
|
||
/* We need to handle the dragged button specially.
|
||
*/
|
||
if (column == tree_view->priv->drag_column)
|
||
{
|
||
GtkAllocation drag_allocation;
|
||
gdk_window_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;
|
||
}
|
||
|
||
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);
|
||
|
||
allocation.x = width;
|
||
column->width = real_requested_width;
|
||
if (list == last_column &&
|
||
width + real_requested_width < widget->allocation.width)
|
||
{
|
||
column->width += (widget->allocation.width - column->width - width);
|
||
}
|
||
g_object_notify (G_OBJECT (column), "width");
|
||
allocation.width = column->width;
|
||
width += column->width;
|
||
gtk_widget_size_allocate (column->button, &allocation);
|
||
if (column->window)
|
||
gdk_window_move_resize (column->window,
|
||
allocation.x + 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;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_VIEW (widget));
|
||
|
||
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;
|
||
tree_view->priv->hadjustment->step_increment = allocation->width / 10;
|
||
tree_view->priv->hadjustment->lower = 0;
|
||
tree_view->priv->hadjustment->upper = tree_view->priv->width;
|
||
|
||
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) / 10;
|
||
tree_view->priv->vadjustment->page_increment = (allocation->height - TREE_VIEW_HEADER_HEIGHT (tree_view)) / 2;
|
||
tree_view->priv->vadjustment->lower = 0;
|
||
tree_view->priv->vadjustment->upper = tree_view->priv->height;
|
||
|
||
if (tree_view->priv->vadjustment->value + allocation->height > tree_view->priv->height)
|
||
gtk_adjustment_set_value (tree_view->priv->vadjustment,
|
||
MAX (tree_view->priv->height - allocation->height, 0));
|
||
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 (tree_view->priv->scroll_to_path != NULL ||
|
||
tree_view->priv->scroll_to_column != NULL)
|
||
{
|
||
gtk_tree_view_scroll_to_cell (tree_view,
|
||
tree_view->priv->scroll_to_path,
|
||
tree_view->priv->scroll_to_column,
|
||
tree_view->priv->scroll_to_use_align,
|
||
tree_view->priv->scroll_to_row_align,
|
||
tree_view->priv->scroll_to_col_align);
|
||
if (tree_view->priv->scroll_to_path)
|
||
{
|
||
gtk_tree_path_free (tree_view->priv->scroll_to_path);
|
||
tree_view->priv->scroll_to_path = NULL;
|
||
}
|
||
tree_view->priv->scroll_to_column = NULL;
|
||
}
|
||
}
|
||
|
||
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;
|
||
|
||
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);
|
||
gtk_tree_view_stop_editing (tree_view, FALSE);
|
||
gtk_widget_style_get (widget,
|
||
"vertical_separator", &vertical_separator,
|
||
"horizontal_separator", &horizontal_separator,
|
||
NULL);
|
||
|
||
if (event->window == tree_view->priv->bin_window &&
|
||
tree_view->priv->tree != NULL)
|
||
{
|
||
GtkRBNode *node;
|
||
GtkRBTree *tree;
|
||
GtkTreePath *path;
|
||
gchar *path_string;
|
||
gint depth;
|
||
gint new_y;
|
||
gint y_offset;
|
||
GtkTreeViewColumn *column = NULL;
|
||
gint column_handled_click = FALSE;
|
||
|
||
if (!GTK_WIDGET_HAS_FOCUS (widget))
|
||
gtk_widget_grab_focus (widget);
|
||
GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
|
||
|
||
/* 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);
|
||
}
|
||
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 */
|
||
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 = MAX (GTK_RBNODE_GET_HEIGHT (node),
|
||
tree_view->priv->expander_size);
|
||
background_area.x = 0;
|
||
|
||
/* Let the column have a chance at selecting it. */
|
||
for (list = tree_view->priv->columns; list; list = 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)
|
||
return FALSE;
|
||
|
||
tree_view->priv->focus_column = column;
|
||
if (event->state & GDK_CONTROL_MASK)
|
||
{
|
||
gtk_tree_view_real_set_cursor (tree_view, path, FALSE);
|
||
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);
|
||
gtk_tree_view_real_select_cursor_row (tree_view, FALSE);
|
||
}
|
||
else
|
||
{
|
||
gtk_tree_view_real_set_cursor (tree_view, path, TRUE);
|
||
}
|
||
|
||
if (event->type == GDK_BUTTON_PRESS &&
|
||
!(event->state & gtk_accelerator_get_default_mod_mask ()))
|
||
{
|
||
GtkCellEditable *cell_editable = NULL;
|
||
/* FIXME: get the right flags */
|
||
guint flags = 0;
|
||
GtkTreeIter iter;
|
||
|
||
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);
|
||
|
||
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)
|
||
{
|
||
gtk_tree_view_real_start_editing (tree_view,
|
||
column,
|
||
path,
|
||
cell_editable,
|
||
&cell_area,
|
||
(GdkEvent *)event,
|
||
flags);
|
||
|
||
}
|
||
column_handled_click = TRUE;
|
||
}
|
||
g_free (path_string);
|
||
}
|
||
|
||
/* 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;
|
||
}
|
||
|
||
if (event->button == 1 && event->type == GDK_2BUTTON_PRESS)
|
||
{
|
||
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT))
|
||
{
|
||
if (node->children == NULL)
|
||
gtk_tree_view_real_expand_row (tree_view, path,
|
||
tree, node, FALSE, TRUE);
|
||
else
|
||
gtk_tree_view_real_collapse_row (GTK_TREE_VIEW (widget), path,
|
||
tree, node, TRUE);
|
||
}
|
||
|
||
gtk_tree_view_row_activated (tree_view, path, column);
|
||
}
|
||
GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
|
||
gtk_tree_path_free (path);
|
||
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 (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 = gtk_object_get_data (GTK_OBJECT (widget), "gtk-site-data");
|
||
if (drag_data)
|
||
gtk_signal_handler_block_by_data (GTK_OBJECT (widget), drag_data);
|
||
|
||
if (!GTK_WIDGET_HAS_FOCUS (widget))
|
||
gtk_widget_grab_focus (widget);
|
||
|
||
tree_view->priv->drag_pos = i;
|
||
tree_view->priv->x_drag = (column->button->allocation.x + column->button->allocation.width);
|
||
break;
|
||
}
|
||
}
|
||
return TRUE;
|
||
}
|
||
|
||
/* GtkWidget::button_release_event helper */
|
||
static gboolean
|
||
gtk_tree_view_button_release_drag_column (GtkWidget *widget,
|
||
GdkEventButton *event)
|
||
{
|
||
GtkTreeView *tree_view;
|
||
|
||
tree_view = GTK_TREE_VIEW (widget);
|
||
|
||
gdk_pointer_ungrab (GDK_CURRENT_TIME);
|
||
gdk_keyboard_ungrab (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 (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 = gtk_object_get_data (GTK_OBJECT (widget), "gtk-site-data");
|
||
if (drag_data)
|
||
gtk_signal_handler_unblock_by_data (GTK_OBJECT (widget), 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_pointer_ungrab (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;
|
||
}
|
||
|
||
|
||
/* 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 = MAX (BACKGROUND_HEIGHT (node), tree_view->priv->expander_size);
|
||
|
||
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_unprelight (GtkTreeView *tree_view,
|
||
/* these are in tree window coords */
|
||
gint x,
|
||
gint y)
|
||
{
|
||
if (tree_view->priv->prelight_node == NULL)
|
||
return;
|
||
|
||
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) &&
|
||
!coords_are_over_arrow (tree_view,
|
||
tree_view->priv->prelight_tree,
|
||
tree_view->priv->prelight_node,
|
||
x,
|
||
y))
|
||
/* We need to unprelight the old arrow. */
|
||
{
|
||
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);
|
||
|
||
}
|
||
|
||
tree_view->priv->prelight_node = NULL;
|
||
tree_view->priv->prelight_tree = NULL;
|
||
}
|
||
|
||
static void
|
||
do_prelight (GtkTreeView *tree_view,
|
||
GtkRBTree *tree,
|
||
GtkRBNode *node,
|
||
/* these are in tree_window coords */
|
||
gint x,
|
||
gint y)
|
||
{
|
||
if (coords_are_over_arrow (tree_view, tree, node, x, y))
|
||
{
|
||
GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT);
|
||
}
|
||
|
||
tree_view->priv->prelight_node = node;
|
||
tree_view->priv->prelight_tree = tree;
|
||
|
||
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PRELIT);
|
||
}
|
||
|
||
static void
|
||
ensure_unprelighted (GtkTreeView *tree_view)
|
||
{
|
||
do_unprelight (tree_view, -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_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);
|
||
gdk_gc_destroy (gc);
|
||
|
||
gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window,
|
||
mask, 0, 0);
|
||
if (mask) gdk_pixmap_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_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);
|
||
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--;
|
||
}
|
||
gdk_gc_destroy (gc);
|
||
gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window,
|
||
mask, 0, 0);
|
||
if (mask) gdk_pixmap_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_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--;
|
||
}
|
||
gdk_gc_destroy (gc);
|
||
gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window,
|
||
mask, 0, 0);
|
||
if (mask) gdk_pixmap_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 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;
|
||
GtkRBTree *old_prelight_tree;
|
||
GtkRBNode *old_prelight_node;
|
||
gboolean old_arrow_prelit;
|
||
|
||
tree_view = (GtkTreeView *) widget;
|
||
|
||
if (tree_view->priv->tree == NULL)
|
||
return FALSE;
|
||
|
||
gtk_tree_view_maybe_begin_dragging_row (tree_view, event);
|
||
|
||
old_prelight_tree = tree_view->priv->prelight_tree;
|
||
old_prelight_node = tree_view->priv->prelight_node;
|
||
old_arrow_prelit = GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT);
|
||
|
||
new_y = TREE_WINDOW_Y_TO_RBTREE_Y(tree_view, event->y);
|
||
if (new_y < 0)
|
||
new_y = 0;
|
||
do_unprelight (tree_view, event->x, event->y);
|
||
_gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node);
|
||
|
||
if (tree == NULL)
|
||
return TRUE;
|
||
|
||
/* 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))
|
||
return TRUE;
|
||
|
||
|
||
do_prelight (tree_view, tree, node, event->x, event->y);
|
||
|
||
if (old_prelight_node != tree_view->priv->prelight_node)
|
||
{
|
||
if (old_prelight_node)
|
||
{
|
||
_gtk_tree_view_queue_draw_node (tree_view,
|
||
old_prelight_tree,
|
||
old_prelight_node,
|
||
NULL);
|
||
}
|
||
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);
|
||
}
|
||
}
|
||
else if (old_arrow_prelit != GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT))
|
||
{
|
||
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);
|
||
}
|
||
}
|
||
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;
|
||
}
|
||
|
||
/* 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;
|
||
gboolean allow_rules;
|
||
|
||
g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE);
|
||
|
||
tree_view = GTK_TREE_VIEW (widget);
|
||
|
||
gtk_widget_style_get (widget,
|
||
"horizontal_separator", &horizontal_separator,
|
||
"vertical_separator", &vertical_separator,
|
||
"allow_rules", &allow_rules,
|
||
NULL);
|
||
|
||
if (tree_view->priv->tree == NULL)
|
||
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);
|
||
|
||
for (last_column = 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 = 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;
|
||
|
||
max_height = MAX (BACKGROUND_HEIGHT (node), tree_view->priv->expander_size);
|
||
|
||
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);
|
||
|
||
for (list = tree_view->priv->columns; list; list = 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;
|
||
|
||
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;
|
||
cell_area.y += vertical_separator / 2;
|
||
cell_area.x += horizontal_separator / 2;
|
||
cell_area.height -= vertical_separator;
|
||
cell_area.width -= horizontal_separator;
|
||
|
||
/* 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)
|
||
{
|
||
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)
|
||
{
|
||
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))
|
||
{
|
||
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;
|
||
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
|
||
{
|
||
gtk_tree_view_column_cell_render (column,
|
||
event->window,
|
||
&background_area,
|
||
&cell_area,
|
||
&event->area,
|
||
flags);
|
||
}
|
||
if (node == cursor &&
|
||
((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 - vertical_separator/2;
|
||
break;
|
||
|
||
case GTK_TREE_VIEW_DROP_AFTER:
|
||
highlight_y = background_area.y + background_area.height + vertical_separator/2;
|
||
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, MAX(BACKGROUND_HEIGHT (node),
|
||
tree_view->priv->expander_size)
|
||
- 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);
|
||
}
|
||
}
|
||
|
||
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)
|
||
return gtk_tree_view_bin_expose (widget, event);
|
||
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;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_view_key_press (GtkWidget *widget,
|
||
GdkEventKey *event)
|
||
{
|
||
GtkTreeView *tree_view = (GtkTreeView *) widget;
|
||
|
||
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;
|
||
}
|
||
|
||
return (* GTK_WIDGET_CLASS (parent_class)->key_press_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;
|
||
|
||
if ((tree_view->priv->button_pressed_node != NULL) &&
|
||
(tree_view->priv->button_pressed_node != node))
|
||
return TRUE;
|
||
|
||
/* 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 (node == NULL)
|
||
return FALSE;
|
||
|
||
do_prelight (tree_view, tree, node, event->x, event->y);
|
||
|
||
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);
|
||
|
||
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);
|
||
|
||
ensure_unprelighted (tree_view);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
|
||
static gint
|
||
gtk_tree_view_focus_in (GtkWidget *widget,
|
||
GdkEventFocus *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);
|
||
|
||
GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
|
||
|
||
gtk_widget_queue_draw (widget);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
|
||
static gint
|
||
gtk_tree_view_focus_out (GtkWidget *widget,
|
||
GdkEventFocus *event)
|
||
{
|
||
GtkWidget *search_dialog;
|
||
|
||
g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), FALSE);
|
||
g_return_val_if_fail (event != NULL, FALSE);
|
||
|
||
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
|
||
|
||
gtk_widget_queue_draw (widget);
|
||
|
||
/* destroy interactive search dialog */
|
||
search_dialog = gtk_object_get_data (GTK_OBJECT (widget),
|
||
GTK_TREE_VIEW_SEARCH_DIALOG_KEY);
|
||
if (search_dialog)
|
||
gtk_tree_view_search_dialog_destroy (search_dialog, GTK_TREE_VIEW (widget));
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
|
||
/* Incremental Reflow
|
||
*/
|
||
|
||
/* 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;
|
||
|
||
/* 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;
|
||
|
||
gtk_widget_style_get (GTK_WIDGET (tree_view),
|
||
"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);
|
||
height = MAX (height, tmp_height);
|
||
height = MAX (height, tree_view->priv->expander_size);
|
||
|
||
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;
|
||
GtkTreeIter iter;
|
||
GtkRBTree *tree;
|
||
GtkRBNode *node;
|
||
gint y, height, offset;
|
||
gboolean validated_area = FALSE;
|
||
gboolean size_changed = FALSE;
|
||
|
||
if (tree_view->priv->tree == NULL)
|
||
return;
|
||
|
||
if (! GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID))
|
||
return;
|
||
|
||
height = GTK_WIDGET (tree_view)->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view);
|
||
|
||
y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, 0);
|
||
|
||
offset = _gtk_rbtree_find_offset (tree_view->priv->tree, y,
|
||
&tree, &node);
|
||
if (node == NULL)
|
||
{
|
||
path = gtk_tree_path_new_root ();
|
||
_gtk_tree_view_find_node (tree_view, path, &tree, &node);
|
||
}
|
||
else
|
||
{
|
||
path = _gtk_tree_view_find_path (tree_view, tree, node);
|
||
height += offset;
|
||
}
|
||
|
||
gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
|
||
do
|
||
{
|
||
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
|
||
GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))
|
||
{
|
||
validated_area = TRUE;
|
||
if (validate_row (tree_view, tree, node, &iter, path))
|
||
size_changed = TRUE;
|
||
}
|
||
height -= MAX (GTK_RBNODE_GET_HEIGHT (node), tree_view->priv->expander_size);
|
||
|
||
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_append_index (path, 0);
|
||
}
|
||
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_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);
|
||
|
||
/* Sanity check */
|
||
TREE_VIEW_INTERNAL_ASSERT_VOID (has_parent);
|
||
}
|
||
}
|
||
while (!done);
|
||
}
|
||
}
|
||
while (node && height > 0);
|
||
|
||
if (size_changed)
|
||
gtk_widget_queue_resize (GTK_WIDGET (tree_view));
|
||
if (validated_area)
|
||
gtk_widget_queue_draw (GTK_WIDGET (tree_view));
|
||
if (path)
|
||
gtk_tree_path_free (path);
|
||
}
|
||
|
||
/* 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
|
||
validate_rows_handler (GtkTreeView *tree_view)
|
||
{
|
||
GtkRBTree *tree = NULL;
|
||
GtkRBNode *node = NULL;
|
||
gboolean validated_area = FALSE;
|
||
gint retval = TRUE;
|
||
GtkTreePath *path = NULL;
|
||
GtkTreeIter iter;
|
||
gint i = 0;
|
||
g_assert (tree_view);
|
||
|
||
GDK_THREADS_ENTER ();
|
||
|
||
if (tree_view->priv->tree == NULL)
|
||
{
|
||
tree_view->priv->validate_rows_timer = 0;
|
||
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;
|
||
i++;
|
||
}
|
||
while (i < GTK_TREE_VIEW_NUM_ROWS_PER_IDLE);
|
||
|
||
done:
|
||
if (path) gtk_tree_path_free (path);
|
||
if (validated_area)
|
||
gtk_widget_queue_resize (GTK_WIDGET (tree_view));
|
||
if (! retval)
|
||
tree_view->priv->validate_rows_timer = 0;
|
||
|
||
GDK_THREADS_LEAVE ();
|
||
|
||
return retval;
|
||
}
|
||
|
||
static gboolean
|
||
presize_handler_callback (gpointer data)
|
||
{
|
||
GtkTreeView *tree_view = GTK_TREE_VIEW (data);
|
||
|
||
GDK_THREADS_ENTER ();
|
||
|
||
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;
|
||
|
||
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);
|
||
}
|
||
}
|
||
|
||
/* 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);
|
||
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);
|
||
}
|
||
|
||
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);
|
||
}
|
||
|
||
/* 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;
|
||
}
|
||
|
||
|
||
static void
|
||
set_dest_row (GdkDragContext *context,
|
||
GtkTreeModel *model,
|
||
GtkTreePath *dest_row)
|
||
{
|
||
g_object_set_data_full (G_OBJECT (context),
|
||
"gtk-tree-view-dest-row",
|
||
dest_row ? gtk_tree_row_reference_new (model, dest_row) : NULL,
|
||
(GDestroyNotify) (dest_row ? gtk_tree_row_reference_free : NULL));
|
||
}
|
||
|
||
static GtkTreePath*
|
||
get_dest_row (GdkDragContext *context)
|
||
{
|
||
GtkTreeRowReference *ref =
|
||
g_object_get_data (G_OBJECT (context), "gtk-tree-view-dest-row");
|
||
|
||
if (ref)
|
||
return gtk_tree_row_reference_get_path (ref);
|
||
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)
|
||
{
|
||
gtk_timeout_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 "
|
||
"gtk_signal_emit_stop_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)
|
||
{
|
||
gtk_timeout_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;
|
||
}
|
||
|
||
/* 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;
|
||
|
||
*suggested_action = 0;
|
||
*target = GDK_NONE;
|
||
|
||
widget = GTK_WIDGET (tree_view);
|
||
|
||
di = get_info (tree_view);
|
||
|
||
if (di == NULL)
|
||
{
|
||
/* 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))
|
||
{
|
||
/* 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);
|
||
|
||
/* don't propagate to parent though */
|
||
return TRUE;
|
||
}
|
||
|
||
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 */)
|
||
{
|
||
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 alt 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);
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
static GtkTreePath*
|
||
get_logical_dest_row (GtkTreeView *tree_view)
|
||
|
||
{
|
||
/* adjust path to point to the row the drop goes in front of */
|
||
GtkTreePath *path = NULL;
|
||
GtkTreeViewDropPosition pos;
|
||
|
||
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)
|
||
{
|
||
/* get first child, drop before it */
|
||
gtk_tree_path_append_index (path, 0);
|
||
}
|
||
else
|
||
{
|
||
g_assert (pos == GTK_TREE_VIEW_DROP_AFTER);
|
||
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);
|
||
|
||
gtk_drag_set_icon_default (context);
|
||
|
||
{
|
||
GdkPixmap *row_pix;
|
||
|
||
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);
|
||
|
||
gdk_pixmap_unref (row_pix);
|
||
}
|
||
|
||
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)
|
||
{
|
||
/* do nothing */
|
||
}
|
||
|
||
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)
|
||
{
|
||
GtkTreePath *path = NULL;
|
||
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);
|
||
|
||
if (path == NULL)
|
||
{
|
||
/* 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 =
|
||
gtk_timeout_add (500, open_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;
|
||
|
||
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);
|
||
|
||
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);
|
||
}
|
||
|
||
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;
|
||
|
||
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);
|
||
|
||
if (path == NULL)
|
||
suggested_action = 0;
|
||
|
||
if (suggested_action)
|
||
{
|
||
if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model),
|
||
path,
|
||
selection_data))
|
||
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);
|
||
|
||
if (dest_row == NULL)
|
||
return;
|
||
|
||
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);
|
||
|
||
gtk_tree_path_free (dest_row);
|
||
|
||
/* drop dest_row */
|
||
set_dest_row (context, NULL, NULL);
|
||
}
|
||
|
||
|
||
|
||
/* 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 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;
|
||
|
||
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);
|
||
|
||
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)->clickable &&
|
||
GTK_TREE_VIEW_COLUMN (last_column->data)->reorderable &&
|
||
GTK_TREE_VIEW_COLUMN (last_column->data)->visible)
|
||
break;
|
||
last_column = last_column->prev;
|
||
}
|
||
|
||
/* No headers are visible, or are focusable. We can't focus in or out.
|
||
*/
|
||
if (last_column == NULL)
|
||
return FALSE;
|
||
|
||
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)->clickable &&
|
||
GTK_TREE_VIEW_COLUMN (last_column->data)->reorderable &&
|
||
GTK_TREE_VIEW_COLUMN (first_column->data)->visible)
|
||
break;
|
||
first_column = first_column->next;
|
||
}
|
||
|
||
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:
|
||
if (tree_view->priv->tree == NULL)
|
||
return FALSE;
|
||
gtk_tree_view_focus_to_cursor (tree_view);
|
||
return TRUE;
|
||
}
|
||
}
|
||
|
||
/* Case 2. We don't have focus at all. */
|
||
if (!GTK_WIDGET_HAS_FOCUS (container))
|
||
{
|
||
if (tree_view->priv->tree == NULL &&
|
||
(direction == GTK_DIR_TAB_BACKWARD ||
|
||
direction == GTK_DIR_UP))
|
||
return gtk_tree_view_header_focus (tree_view, direction);
|
||
if (((direction == GTK_DIR_TAB_FORWARD) ||
|
||
(direction == GTK_DIR_RIGHT) ||
|
||
(direction == GTK_DIR_DOWN) ||
|
||
(direction == GTK_DIR_LEFT)) &&
|
||
gtk_tree_view_header_focus (tree_view, direction))
|
||
return TRUE;
|
||
|
||
if (tree_view->priv->tree == NULL)
|
||
return FALSE;
|
||
gtk_tree_view_focus_to_cursor (tree_view);
|
||
return TRUE;
|
||
}
|
||
|
||
/* Case 3. We have focus already. */
|
||
if (tree_view->priv->tree == NULL)
|
||
return gtk_tree_view_header_focus (tree_view, direction);
|
||
|
||
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_tree_view_focus_to_cursor (tree_view);
|
||
return TRUE;
|
||
}
|
||
|
||
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);
|
||
|
||
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);
|
||
}
|
||
|
||
_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))
|
||
{
|
||
gtk_signal_disconnect_by_data (GTK_OBJECT (tree_view->priv->hadjustment), tree_view);
|
||
gtk_object_unref (GTK_OBJECT (tree_view->priv->hadjustment));
|
||
}
|
||
|
||
if (tree_view->priv->vadjustment && (tree_view->priv->vadjustment != vadj))
|
||
{
|
||
gtk_signal_disconnect_by_data (GTK_OBJECT (tree_view->priv->vadjustment), tree_view);
|
||
gtk_object_unref (GTK_OBJECT (tree_view->priv->vadjustment));
|
||
}
|
||
|
||
if (tree_view->priv->hadjustment != hadj)
|
||
{
|
||
tree_view->priv->hadjustment = hadj;
|
||
gtk_object_ref (GTK_OBJECT (tree_view->priv->hadjustment));
|
||
gtk_object_sink (GTK_OBJECT (tree_view->priv->hadjustment));
|
||
|
||
gtk_signal_connect (GTK_OBJECT (tree_view->priv->hadjustment), "value_changed",
|
||
(GtkSignalFunc) gtk_tree_view_adjustment_changed,
|
||
tree_view);
|
||
need_adjust = TRUE;
|
||
}
|
||
|
||
if (tree_view->priv->vadjustment != vadj)
|
||
{
|
||
tree_view->priv->vadjustment = vadj;
|
||
gtk_object_ref (GTK_OBJECT (tree_view->priv->vadjustment));
|
||
gtk_object_sink (GTK_OBJECT (tree_view->priv->vadjustment));
|
||
|
||
gtk_signal_connect (GTK_OBJECT (tree_view->priv->vadjustment), "value_changed",
|
||
(GtkSignalFunc) gtk_tree_view_adjustment_changed,
|
||
tree_view);
|
||
need_adjust = TRUE;
|
||
}
|
||
|
||
if (need_adjust)
|
||
gtk_tree_view_adjustment_changed (NULL, tree_view);
|
||
}
|
||
|
||
|
||
static void
|
||
gtk_tree_view_real_move_cursor (GtkTreeView *tree_view,
|
||
GtkMovementStep step,
|
||
gint count)
|
||
{
|
||
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
|
||
g_return_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);
|
||
|
||
if (tree_view->priv->tree == NULL)
|
||
return;
|
||
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));
|
||
|
||
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 ();
|
||
}
|
||
}
|
||
|
||
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;
|
||
|
||
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;
|
||
|
||
_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);
|
||
}
|
||
}
|
||
|
||
done:
|
||
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;
|
||
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;
|
||
|
||
/* 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, 0, FALSE);
|
||
}
|
||
else
|
||
{
|
||
tmpnode = _gtk_rbtree_find_count (tree, indices[depth - 1]);
|
||
_gtk_rbtree_insert_after (tree, tmpnode, 0, 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));
|
||
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
|
||
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;
|
||
|
||
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;
|
||
|
||
/* Change the selection */
|
||
selection_changed = GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED);
|
||
|
||
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);
|
||
|
||
/* 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)
|
||
{
|
||
gtk_timeout_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);
|
||
}
|
||
|
||
gtk_widget_queue_resize (GTK_WIDGET (tree_view));
|
||
|
||
if (selection_changed)
|
||
g_signal_emit_by_name (G_OBJECT (tree_view->priv->selection), "changed");
|
||
}
|
||
|
||
|
||
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;
|
||
|
||
/* we need to be unprelighted */
|
||
ensure_unprelighted (tree_view);
|
||
|
||
_gtk_rbtree_reorder (tree, new_order, len);
|
||
|
||
gtk_widget_queue_draw (GTK_WIDGET (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;
|
||
|
||
if (x1)
|
||
*x1 = 0;
|
||
|
||
if (x2)
|
||
*x2 = 0;
|
||
|
||
total_width = 0;
|
||
for (list = tree_view->priv->columns; list; list = 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;
|
||
|
||
total_width = 0;
|
||
for (list = tree_view->priv->columns; list; list = list->next)
|
||
{
|
||
tmp_column = list->data;
|
||
|
||
if (gtk_tree_view_is_expander_column (tree_view, tmp_column))
|
||
{
|
||
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)
|
||
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 = x_offset + tree_view->priv->expander_size + 1;
|
||
}
|
||
else
|
||
{
|
||
/* return an empty range, the expander column is hidden */
|
||
if (x2)
|
||
*x2 = x_offset;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_tree_view_build_tree (GtkTreeView *tree_view,
|
||
GtkRBTree *tree,
|
||
GtkTreeIter *iter,
|
||
gint depth,
|
||
gboolean recurse)
|
||
{
|
||
GtkRBNode *temp = NULL;
|
||
|
||
do
|
||
{
|
||
gtk_tree_model_ref_node (tree_view->priv->model, iter);
|
||
temp = _gtk_rbtree_insert_after (tree, temp, 0, FALSE);
|
||
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;
|
||
GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST);
|
||
}
|
||
}
|
||
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);
|
||
retval = TRUE;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (horizontal_separator + width > column->requested_width)
|
||
{
|
||
gtk_tree_view_column_cell_set_dirty (column);
|
||
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)
|
||
{
|
||
gint offset;
|
||
gint real_height;
|
||
|
||
/* 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. */
|
||
if (GTK_WIDGET_REALIZED (tree_view))
|
||
gdk_window_process_updates (tree_view->priv->bin_window, TRUE);
|
||
|
||
real_height = MAX (GTK_RBNODE_GET_HEIGHT (node), tree_view->priv->expander_size);
|
||
|
||
offset = _gtk_rbtree_node_find_offset (tree, node);
|
||
|
||
/* we reverse the order, b/c in the unusual case of the
|
||
* node's height being taller then the visible area, we'd rather
|
||
* have the node flush to the top
|
||
*/
|
||
if (offset + real_height >
|
||
tree_view->priv->vadjustment->value + tree_view->priv->vadjustment->page_size)
|
||
gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment),
|
||
offset + real_height -
|
||
tree_view->priv->vadjustment->page_size);
|
||
if (offset < tree_view->priv->vadjustment->value)
|
||
gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment),
|
||
offset);
|
||
|
||
}
|
||
|
||
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,
|
||
GTK_TYPE_ENUM, step,
|
||
GTK_TYPE_INT, count);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, keyval, GDK_SHIFT_MASK,
|
||
"move_cursor", 2,
|
||
GTK_TYPE_ENUM, step,
|
||
GTK_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,
|
||
GTK_TYPE_ENUM, step,
|
||
GTK_TYPE_INT, count);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK,
|
||
"move_cursor", 2,
|
||
GTK_TYPE_ENUM, step,
|
||
GTK_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;
|
||
|
||
g_return_val_if_fail (gtk_tree_model_iter_children (model, &child, iter), 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;
|
||
|
||
GList *tmp_list;
|
||
gint left;
|
||
|
||
/* We want to precalculate the motion list such that we know what column slots
|
||
* are available.
|
||
*/
|
||
left_column = NULL;
|
||
|
||
/* First, identify all possible drop spots */
|
||
tmp_list = tree_view->priv->columns;
|
||
|
||
while (tmp_list)
|
||
{
|
||
g_assert (tmp_list);
|
||
|
||
cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
|
||
tmp_list = tmp_list->next;
|
||
|
||
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_window_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;
|
||
|
||
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_pointer_ungrab (GDK_CURRENT_TIME);
|
||
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
|
||
|
||
gtk_grab_remove (column->button);
|
||
|
||
send_event.crossing.type = GDK_LEAVE_NOTIFY;
|
||
send_event.crossing.send_event = TRUE;
|
||
send_event.crossing.window = 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);
|
||
|
||
send_event.button.type = GDK_BUTTON_RELEASE;
|
||
send_event.button.window = GDK_ROOT_PARENT ();
|
||
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_device_get_core_pointer ();
|
||
send_event.button.x_root = 0;
|
||
send_event.button.y_root = 0;
|
||
|
||
gtk_propagate_event (column->button, &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_window_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 = MAX (BACKGROUND_HEIGHT (node), tree_view->priv->expander_size);
|
||
|
||
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 = MAX (BACKGROUND_HEIGHT (node), tree_view->priv->expander_size);
|
||
|
||
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);
|
||
gtk_widget_grab_focus (GTK_WIDGET (tree_view));
|
||
|
||
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_root ();
|
||
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);
|
||
else
|
||
gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE);
|
||
}
|
||
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;
|
||
|
||
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);
|
||
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_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 = CELL_FIRST_PIXEL (tree_view, cursor_tree, cursor_node, vertical_separator);
|
||
y += count * tree_view->priv->vadjustment->page_size;
|
||
y = CLAMP (y, (gint)tree_view->priv->vadjustment->lower, (gint)tree_view->priv->vadjustment->upper - vertical_separator);
|
||
|
||
_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);
|
||
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;
|
||
|
||
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))
|
||
{
|
||
tree_view->priv->focus_column = column;
|
||
found_column = TRUE;
|
||
break;
|
||
}
|
||
loop_end:
|
||
if (count == 1)
|
||
list = list->next;
|
||
else
|
||
list = list->prev;
|
||
}
|
||
|
||
if (found_column)
|
||
{
|
||
_gtk_tree_view_queue_draw_node (tree_view,
|
||
cursor_tree,
|
||
cursor_node,
|
||
NULL);
|
||
g_signal_emit (G_OBJECT (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;
|
||
|
||
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_selection_internal_select_node (tree_view->priv->selection,
|
||
cursor_node,
|
||
cursor_tree,
|
||
path,
|
||
FALSE?GDK_SHIFT_MASK:0);
|
||
|
||
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_clamp_node_visible (tree_view, cursor_tree, cursor_node);
|
||
}
|
||
|
||
static void
|
||
gtk_tree_view_real_select_all (GtkTreeView *tree_view)
|
||
{
|
||
if (tree_view->priv->selection->type != GTK_SELECTION_MULTIPLE)
|
||
return;
|
||
gtk_tree_selection_select_all (tree_view->priv->selection);
|
||
}
|
||
|
||
static void
|
||
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;
|
||
GdkModifierType state = 0;
|
||
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;
|
||
|
||
_gtk_tree_view_find_node (tree_view, cursor_path,
|
||
&cursor_tree, &cursor_node);
|
||
|
||
if (cursor_tree == NULL)
|
||
{
|
||
gtk_tree_path_free (cursor_path);
|
||
return;
|
||
}
|
||
|
||
gtk_get_current_event_state (&state);
|
||
|
||
if (! (state & GDK_SHIFT_MASK) &&
|
||
start_editing &&
|
||
tree_view->priv->focus_column)
|
||
{
|
||
if (gtk_tree_view_start_editing (tree_view, cursor_path))
|
||
{
|
||
gtk_tree_path_free (cursor_path);
|
||
return;
|
||
}
|
||
}
|
||
_gtk_tree_selection_internal_select_node (tree_view->priv->selection,
|
||
cursor_node,
|
||
cursor_tree,
|
||
cursor_path,
|
||
state);
|
||
|
||
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 (! (state & GDK_SHIFT_MASK))
|
||
gtk_tree_view_row_activated (tree_view, cursor_path, tree_view->priv->focus_column);
|
||
|
||
gtk_tree_path_free (cursor_path);
|
||
}
|
||
|
||
static void
|
||
gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view)
|
||
{
|
||
GtkRBTree *cursor_tree = NULL;
|
||
GtkRBNode *cursor_node = NULL;
|
||
GtkTreePath *cursor_path = NULL;
|
||
|
||
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;
|
||
|
||
_gtk_tree_view_find_node (tree_view, cursor_path,
|
||
&cursor_tree, &cursor_node);
|
||
if (cursor_tree == NULL)
|
||
{
|
||
gtk_tree_path_free (cursor_path);
|
||
return;
|
||
}
|
||
|
||
_gtk_tree_selection_internal_select_node (tree_view->priv->selection,
|
||
cursor_node,
|
||
cursor_tree,
|
||
cursor_path,
|
||
GDK_CONTROL_MASK);
|
||
|
||
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);
|
||
}
|
||
|
||
|
||
|
||
static void
|
||
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;
|
||
|
||
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;
|
||
|
||
if (_gtk_tree_view_find_node (tree_view, cursor_path, &tree, &node))
|
||
return;
|
||
|
||
gtk_widget_grab_focus (GTK_WIDGET (tree_view));
|
||
gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
|
||
|
||
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);
|
||
}
|
||
|
||
static void
|
||
gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view)
|
||
{
|
||
GtkRBTree *cursor_tree = NULL;
|
||
GtkRBNode *cursor_node = NULL;
|
||
GtkTreePath *cursor_path = NULL;
|
||
|
||
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;
|
||
|
||
_gtk_tree_view_find_node (tree_view, cursor_path,
|
||
&cursor_tree, &cursor_node);
|
||
if (cursor_tree == NULL)
|
||
{
|
||
gtk_tree_path_free (cursor_path);
|
||
return;
|
||
}
|
||
|
||
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);
|
||
}
|
||
|
||
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);
|
||
}
|
||
|
||
static void
|
||
gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view)
|
||
{
|
||
GtkWidget *window;
|
||
GtkWidget *entry;
|
||
GtkWidget *search_dialog;
|
||
GdkEventFocus focus_event;
|
||
|
||
if (tree_view->priv->enable_search == FALSE ||
|
||
tree_view->priv->search_column < 0)
|
||
return;
|
||
|
||
search_dialog = g_object_get_data (G_OBJECT (tree_view),
|
||
GTK_TREE_VIEW_SEARCH_DIALOG_KEY);
|
||
if (search_dialog)
|
||
return;
|
||
|
||
/* set up window */
|
||
window = gtk_window_new (GTK_WINDOW_POPUP);
|
||
gtk_window_set_title (GTK_WINDOW (window), "search dialog");
|
||
gtk_container_set_border_width (GTK_CONTAINER (window), 3);
|
||
gtk_window_set_modal (GTK_WINDOW (window), TRUE);
|
||
g_signal_connect (G_OBJECT (window), "delete_event",
|
||
G_CALLBACK (gtk_tree_view_search_delete_event),
|
||
tree_view);
|
||
g_signal_connect (G_OBJECT (window), "key_press_event",
|
||
G_CALLBACK (gtk_tree_view_search_key_press_event),
|
||
tree_view);
|
||
g_signal_connect (G_OBJECT (window), "button_press_event",
|
||
G_CALLBACK (gtk_tree_view_search_button_press_event),
|
||
tree_view);
|
||
|
||
/* add entry */
|
||
entry = gtk_entry_new ();
|
||
gtk_widget_show (entry);
|
||
g_signal_connect (G_OBJECT (entry), "changed",
|
||
G_CALLBACK (gtk_tree_view_search_init), tree_view);
|
||
gtk_container_add (GTK_CONTAINER (window), entry);
|
||
|
||
/* done, show it */
|
||
tree_view->priv->search_dialog_position_func (tree_view, window);
|
||
gtk_widget_show_all (window);
|
||
gtk_widget_grab_focus (entry);
|
||
|
||
/* send focus-in event */
|
||
focus_event.type = GDK_FOCUS_CHANGE;
|
||
focus_event.in = TRUE;
|
||
gtk_widget_event (entry, (GdkEvent *) &focus_event);
|
||
|
||
/* position window */
|
||
|
||
/* yes, we point to the entry's private text thing here, a bit evil */
|
||
g_object_set_data (G_OBJECT (window), "gtk-tree-view-text",
|
||
(gchar *) gtk_entry_get_text (GTK_ENTRY (entry)));
|
||
g_object_set_data (G_OBJECT (tree_view),
|
||
GTK_TREE_VIEW_SEARCH_DIALOG_KEY, window);
|
||
|
||
/* search first matching iter */
|
||
gtk_tree_view_search_init (entry, tree_view);
|
||
}
|
||
|
||
/* 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;
|
||
|
||
/* first translate the x position from widget->window
|
||
* to clist->clist_window
|
||
*/
|
||
|
||
column = g_list_nth (tree_view->priv->columns, i)->data;
|
||
width = *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 = column->button->allocation.x + width;
|
||
|
||
return width;
|
||
}
|
||
|
||
|
||
/* 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;
|
||
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);
|
||
gdk_window_process_updates (tree_view->priv->bin_window, TRUE);
|
||
gdk_window_process_updates (tree_view->priv->header_window, TRUE);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
/* Public methods
|
||
*/
|
||
|
||
/**
|
||
* gtk_tree_view_new:
|
||
*
|
||
* Creates a new #GtkTreeView widget.
|
||
*
|
||
* Return value: A newly created #GtkTreeView widget.
|
||
**/
|
||
GtkWidget *
|
||
gtk_tree_view_new (void)
|
||
{
|
||
GtkTreeView *tree_view;
|
||
|
||
tree_view = GTK_TREE_VIEW (gtk_type_new (gtk_tree_view_get_type ()));
|
||
|
||
return GTK_WIDGET (tree_view);
|
||
}
|
||
|
||
/**
|
||
* 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)
|
||
{
|
||
GtkTreeView *tree_view;
|
||
|
||
tree_view = GTK_TREE_VIEW (gtk_type_new (gtk_tree_view_get_type ()));
|
||
gtk_tree_view_set_model (tree_view, model);
|
||
|
||
return GTK_WIDGET (tree_view);
|
||
}
|
||
|
||
/* 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 == tree_view->priv->model)
|
||
return;
|
||
|
||
if (tree_view->priv->model)
|
||
{
|
||
gtk_tree_view_unref_and_check_selection_tree (tree_view, tree_view->priv->tree);
|
||
|
||
g_signal_handlers_disconnect_by_func (G_OBJECT (tree_view->priv->model),
|
||
gtk_tree_view_row_changed, tree_view);
|
||
g_signal_handlers_disconnect_by_func (G_OBJECT (tree_view->priv->model),
|
||
gtk_tree_view_row_inserted, tree_view);
|
||
g_signal_handlers_disconnect_by_func (G_OBJECT (tree_view->priv->model),
|
||
gtk_tree_view_row_has_child_toggled, tree_view);
|
||
g_signal_handlers_disconnect_by_func (G_OBJECT (tree_view->priv->model),
|
||
gtk_tree_view_row_deleted, tree_view);
|
||
g_signal_handlers_disconnect_by_func (G_OBJECT (tree_view->priv->model),
|
||
gtk_tree_view_rows_reordered, tree_view);
|
||
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;
|
||
|
||
g_object_unref (tree_view->priv->model);
|
||
tree_view->priv->search_column = -1;
|
||
}
|
||
|
||
tree_view->priv->model = model;
|
||
|
||
|
||
if (tree_view->priv->model)
|
||
{
|
||
gint i;
|
||
GtkTreePath *path;
|
||
GtkTreeIter iter;
|
||
|
||
|
||
if (tree_view->priv->search_column == -1)
|
||
{
|
||
for (i = 0; i < gtk_tree_model_get_n_columns (model); i++)
|
||
{
|
||
if (gtk_tree_model_get_column_type (model, i) == 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);
|
||
|
||
path = gtk_tree_path_new_root ();
|
||
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); */
|
||
}
|
||
|
||
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 + TREE_VIEW_HEADER_HEIGHT (tree_view), y, 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_signal_emit_by_name (GTK_OBJECT (tree_view->priv->vadjustment), "changed");
|
||
|
||
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.
|
||
**/
|
||
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);
|
||
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 <emphasis>not</emphasis> 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 <emphasis>semantic</emphasis>
|
||
* 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.
|
||
*
|
||
* 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);
|
||
|
||
_gtk_tree_view_column_unset_tree_view (column);
|
||
|
||
if (tree_view->priv->focus_column == column)
|
||
tree_view->priv->focus_column = NULL;
|
||
|
||
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);
|
||
}
|
||
|
||
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 (G_OBJECT (column));
|
||
g_signal_emit (G_OBJECT (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.
|
||
*
|
||
* 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);
|
||
|
||
g_object_ref (G_OBJECT (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);
|
||
}
|
||
|
||
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);
|
||
}
|
||
gtk_widget_queue_resize (GTK_WIDGET (tree_view));
|
||
}
|
||
|
||
g_signal_emit (G_OBJECT (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.
|
||
*
|
||
* Return value: The number of columns in @tree_view after insertion.
|
||
**/
|
||
gint
|
||
gtk_tree_view_insert_column_with_attributes (GtkTreeView *tree_view,
|
||
gint position,
|
||
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().
|
||
*
|
||
* 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,
|
||
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 (G_OBJECT (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
|
||
* @tree_y: Y coordinate of new top-left pixel of visible area
|
||
*
|
||
* 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().
|
||
**/
|
||
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;
|
||
|
||
gtk_adjustment_set_value (hadj, CLAMP (tree_x, hadj->lower, hadj->upper - hadj->page_size));
|
||
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. @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.
|
||
**/
|
||
void
|
||
gtk_tree_view_scroll_to_cell (GtkTreeView *tree_view,
|
||
GtkTreePath *path,
|
||
GtkTreeViewColumn *column,
|
||
gboolean use_align,
|
||
gfloat row_align,
|
||
gfloat col_align)
|
||
{
|
||
GdkRectangle cell_rect;
|
||
GdkRectangle vis_rect;
|
||
gint dest_x, dest_y;
|
||
gfloat within_margin = 0;
|
||
|
||
/* FIXME work on unmapped/unrealized trees? maybe implement when
|
||
* we do incremental reflow for trees
|
||
*/
|
||
|
||
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
|
||
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);
|
||
|
||
row_align = CLAMP (row_align, 0.0, 1.0);
|
||
col_align = CLAMP (col_align, 0.0, 1.0);
|
||
|
||
if (! GTK_WIDGET_REALIZED (tree_view))
|
||
{
|
||
if (path)
|
||
tree_view->priv->scroll_to_path = gtk_tree_path_copy (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;
|
||
|
||
return;
|
||
}
|
||
|
||
gtk_tree_view_get_cell_area (tree_view, path, column, &cell_rect);
|
||
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 + cell_rect.width * row_align - vis_rect.width * row_align;
|
||
}
|
||
else
|
||
{
|
||
if (cell_rect.x < vis_rect.x)
|
||
dest_x = cell_rect.x - vis_rect.width * within_margin;
|
||
else if (cell_rect.x + cell_rect.width > vis_rect.x + vis_rect.width)
|
||
dest_x = cell_rect.x + cell_rect.width - vis_rect.width * (1 - within_margin);
|
||
}
|
||
}
|
||
|
||
if (path)
|
||
{
|
||
if (use_align)
|
||
{
|
||
dest_y = cell_rect.y + cell_rect.height * col_align - vis_rect.height * col_align;
|
||
}
|
||
else
|
||
{
|
||
if (cell_rect.y < vis_rect.y)
|
||
dest_y = cell_rect.y - vis_rect.height * within_margin;
|
||
else if (cell_rect.y + cell_rect.height > vis_rect.y + vis_rect.height)
|
||
dest_y = cell_rect.y + cell_rect.height - vis_rect.height * (1 - within_margin);
|
||
}
|
||
}
|
||
|
||
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 (G_OBJECT(tree_view), tree_view_signals[ROW_ACTIVATED], 0, path, column);
|
||
}
|
||
|
||
|
||
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);
|
||
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));
|
||
g_return_if_fail (tree_view->priv->tree != NULL);
|
||
|
||
_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)
|
||
{
|
||
GtkTreeView *tree_view = data;
|
||
GtkRBNode *node;
|
||
GtkRBTree *tree;
|
||
gboolean expanding;
|
||
gboolean redraw;
|
||
|
||
GDK_THREADS_ENTER ();
|
||
|
||
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);
|
||
|
||
GDK_THREADS_LEAVE ();
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
GDK_THREADS_LEAVE ();
|
||
|
||
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;
|
||
guint *indices;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
|
||
g_return_if_fail (tree_view->priv->tree != NULL);
|
||
|
||
path = gtk_tree_path_new ();
|
||
gtk_tree_path_append_index (path, 0);
|
||
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);
|
||
}
|
||
|
||
/* 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)
|
||
return TRUE;
|
||
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;
|
||
|
||
g_signal_emit (G_OBJECT (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)
|
||
{
|
||
gtk_timeout_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 = gtk_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);
|
||
}
|
||
|
||
if (GTK_WIDGET_MAPPED (tree_view))
|
||
install_presize_handler (tree_view);
|
||
|
||
g_signal_emit (G_OBJECT (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;
|
||
|
||
if (node->children == NULL)
|
||
return FALSE;
|
||
|
||
gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
|
||
|
||
g_signal_emit (G_OBJECT (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);
|
||
}
|
||
|
||
if (tree_view->priv->destroy_count_func)
|
||
{
|
||
GtkTreePath *child_path;
|
||
gint child_count = 0;
|
||
child_path = gtk_tree_path_copy (path);
|
||
gtk_tree_path_append_index (child_path, 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, child_path, child_count, tree_view->priv->destroy_count_data);
|
||
gtk_tree_path_free (child_path);
|
||
}
|
||
|
||
if (gtk_tree_view_unref_and_check_selection_tree (tree_view, node->children))
|
||
g_signal_emit_by_name (G_OBJECT (tree_view->priv->selection), "changed", 0);
|
||
_gtk_rbtree_remove (node->children);
|
||
|
||
if (tree_view->priv->expand_collapse_timeout)
|
||
{
|
||
gtk_timeout_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 = gtk_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));
|
||
}
|
||
|
||
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);
|
||
|
||
}
|
||
|
||
g_signal_emit (G_OBJECT (tree_view), tree_view_signals[ROW_COLLAPSED], 0, &iter, path);
|
||
|
||
/* 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. */
|
||
|
||
if (gdk_window_at_pointer (&x, &y) == tree_view->priv->bin_window)
|
||
{
|
||
GdkEventMotion event;
|
||
event.window = tree_view->priv->bin_window;
|
||
event.x = x;
|
||
event.y = 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;
|
||
gint *indices;
|
||
gint depth;
|
||
gint i = 0;
|
||
|
||
if (tree == NULL || tree->root == NULL)
|
||
return;
|
||
|
||
node = tree->root;
|
||
|
||
indices = gtk_tree_path_get_indices (path);
|
||
depth = gtk_tree_path_get_depth (path);
|
||
|
||
while (node && node->left != tree->nil)
|
||
node = node->left;
|
||
|
||
while (node)
|
||
{
|
||
if (node->children)
|
||
{
|
||
gtk_tree_path_append_index (path, 0);
|
||
gtk_tree_view_map_expanded_rows_helper (tree_view, node->children, path, func, user_data);
|
||
gtk_tree_path_up (path);
|
||
(* func) (tree_view, path, user_data);
|
||
}
|
||
i++;
|
||
indices[depth -1] = i;
|
||
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_root ();
|
||
|
||
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 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 columns. The
|
||
* developer can listen to these changes by connecting to the model's
|
||
* signals.
|
||
*
|
||
* This function does not give you any degree of control over the order -- any
|
||
* reorderering 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;
|
||
|
||
tree_view->priv->reorderable = reorderable;
|
||
|
||
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);
|
||
}
|
||
|
||
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)
|
||
{
|
||
GtkRBTree *tree = NULL;
|
||
GtkRBNode *node = NULL;
|
||
GdkModifierType state = 0;
|
||
|
||
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);
|
||
gtk_get_current_event_state (&state);
|
||
|
||
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)
|
||
{
|
||
if (clear_and_select && !((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK))
|
||
_gtk_tree_selection_internal_select_node (tree_view->priv->selection,
|
||
node, tree, path,
|
||
state);
|
||
gtk_tree_view_clamp_node_visible (tree_view, tree, node);
|
||
_gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
|
||
}
|
||
|
||
g_signal_emit (G_OBJECT (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.
|
||
**/
|
||
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
|
||
* @column is not %NULL, then focus is given to the column specified by it.
|
||
* Additionally, if @column is specified, and @start_editing is %TRUE, then
|
||
* editing should be started in the specified cell. Keyboard focus is given to
|
||
* the widget after this is called. 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)
|
||
{
|
||
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));
|
||
|
||
gtk_tree_view_real_set_cursor (tree_view, path, TRUE);
|
||
|
||
gtk_widget_grab_focus (GTK_WIDGET (tree_view));
|
||
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 (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 <literal>event->window</literal> 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->page_size)
|
||
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)
|
||
{
|
||
if (column)
|
||
*column = last_column;
|
||
|
||
if (cell_x)
|
||
*cell_x = last_column->width + remaining_x;
|
||
}
|
||
}
|
||
|
||
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 coordiantes
|
||
* @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)
|
||
{
|
||
/* Get vertical coords */
|
||
if (_gtk_tree_view_find_node (tree_view, path, &tree, &node) &&
|
||
tree != NULL)
|
||
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 (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 = MAX (BACKGROUND_HEIGHT (node), tree_view->priv->expander_size);
|
||
}
|
||
|
||
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->vadjustment->value;
|
||
}
|
||
|
||
/**
|
||
* 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->vadjustment->value;
|
||
}
|
||
|
||
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");
|
||
}
|
||
}
|
||
|
||
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));
|
||
|
||
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);
|
||
}
|
||
|
||
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);
|
||
}
|
||
|
||
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)
|
||
{
|
||
clear_source_info (di);
|
||
di->source_set = FALSE;
|
||
}
|
||
|
||
if (!di->dest_set && !di->source_set)
|
||
remove_info (tree_view);
|
||
}
|
||
|
||
unset_reorderable (tree_view);
|
||
}
|
||
|
||
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);
|
||
}
|
||
|
||
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);
|
||
|
||
if (current_dest)
|
||
{
|
||
gtk_tree_view_queue_draw_path (tree_view, current_dest, NULL);
|
||
gtk_tree_path_free (current_dest);
|
||
}
|
||
|
||
if (tree_view->priv->drag_dest_row)
|
||
gtk_tree_row_reference_free (tree_view->priv->drag_dest_row);
|
||
|
||
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;
|
||
}
|
||
|
||
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
|
||
*path = NULL;
|
||
}
|
||
|
||
if (pos)
|
||
*pos = tree_view->priv->drag_dest_pos;
|
||
}
|
||
|
||
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 quarter;
|
||
gint x, y;
|
||
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;
|
||
|
||
/* remember that drag_x and drag_y are in widget coords, convert to tree window */
|
||
|
||
gtk_tree_view_widget_to_tree_coords (tree_view, drag_x, drag_y,
|
||
&x, &y);
|
||
|
||
/* If in the top quarter of a row, we drop before that row; if
|
||
* in the bottom quarter, 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,
|
||
x, y,
|
||
&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;
|
||
|
||
quarter = cell.height / 4.0;
|
||
|
||
if (pos)
|
||
{
|
||
if (offset_into_row < quarter)
|
||
{
|
||
*pos = GTK_TREE_VIEW_DROP_BEFORE;
|
||
}
|
||
else if (offset_into_row < quarter * 2)
|
||
{
|
||
*pos = GTK_TREE_VIEW_DROP_INTO_OR_BEFORE;
|
||
}
|
||
else if (offset_into_row < quarter * 3)
|
||
{
|
||
*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;
|
||
|
||
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;
|
||
|
||
cell_offset = x;
|
||
|
||
background_area.y = y;
|
||
background_area.height = MAX (BACKGROUND_HEIGHT (node), tree_view->priv->expander_size);
|
||
|
||
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);
|
||
|
||
gdk_draw_rectangle (drawable,
|
||
widget->style->black_gc,
|
||
FALSE,
|
||
0, 0,
|
||
bin_window_width + 1,
|
||
background_area.height + 1);
|
||
|
||
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))
|
||
gtk_tree_view_column_cell_render (column,
|
||
drawable,
|
||
&background_area,
|
||
&cell_area,
|
||
&expose_area,
|
||
0);
|
||
|
||
cell_offset += column->width;
|
||
}
|
||
|
||
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 to search in
|
||
*
|
||
* Sets @column as the column where the interactive search code should search
|
||
* in. Additionally, turns on interactive searching.
|
||
*/
|
||
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_search_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.
|
||
**/
|
||
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_destroy (GtkWidget *search_dialog,
|
||
GtkTreeView *tree_view)
|
||
{
|
||
GtkEntry *entry = (GtkEntry *)(gtk_container_get_children (GTK_CONTAINER (search_dialog)))->data;
|
||
gint *selected_iter;
|
||
|
||
if (entry)
|
||
{
|
||
GdkEventFocus focus_event;
|
||
|
||
focus_event.type = GDK_FOCUS_CHANGE;
|
||
focus_event.in = FALSE;
|
||
gtk_widget_event (GTK_WIDGET (entry), (GdkEvent *) &focus_event);
|
||
}
|
||
|
||
/* remove data from tree_view */
|
||
g_object_set_data (G_OBJECT (tree_view), GTK_TREE_VIEW_SEARCH_DIALOG_KEY,
|
||
NULL);
|
||
|
||
selected_iter = g_object_get_data (G_OBJECT (search_dialog),
|
||
"gtk-tree-view-selected-iter");
|
||
if (selected_iter)
|
||
g_free (selected_iter);
|
||
g_object_set_data (G_OBJECT (search_dialog), "gtk-tree-view-selected-iter",
|
||
NULL);
|
||
|
||
gtk_widget_destroy (search_dialog);
|
||
}
|
||
|
||
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;
|
||
GtkRequisition requisition;
|
||
|
||
gtk_widget_realize (search_dialog);
|
||
|
||
gdk_window_get_origin (tree_window, &tree_x, &tree_y);
|
||
gdk_window_get_size (tree_window,
|
||
&tree_width,
|
||
&tree_height);
|
||
gtk_widget_size_request (search_dialog, &requisition);
|
||
|
||
if (tree_x + tree_width - requisition.width > gdk_screen_width ())
|
||
x = gdk_screen_width () - 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_height ())
|
||
y = gdk_screen_height () - 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 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_destroy (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_destroy (widget, tree_view);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_view_search_key_press_event (GtkWidget *widget,
|
||
GdkEventKey *event,
|
||
GtkTreeView *tree_view)
|
||
{
|
||
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_destroy (widget, tree_view);
|
||
return TRUE;
|
||
}
|
||
|
||
/* select previous matching iter */
|
||
if (event->keyval == GDK_Up)
|
||
{
|
||
gtk_tree_view_search_move (widget, tree_view, TRUE);
|
||
return TRUE;
|
||
}
|
||
|
||
/* select next matching iter */
|
||
if (event->keyval == GDK_Down)
|
||
{
|
||
gtk_tree_view_search_move (widget, tree_view, FALSE);
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_view_search_move (GtkWidget *window,
|
||
GtkTreeView *tree_view,
|
||
gboolean up)
|
||
{
|
||
gboolean ret;
|
||
gint *selected_iter;
|
||
gint len;
|
||
gint count = 0;
|
||
gchar *text;
|
||
GtkTreeIter iter;
|
||
GtkTreeModel *model;
|
||
GtkTreeSelection *selection;
|
||
|
||
text = g_object_get_data (G_OBJECT (window), "gtk-tree-view-text");
|
||
selected_iter = g_object_get_data (G_OBJECT (window), "gtk-tree-view-selected-iter");
|
||
|
||
g_return_if_fail (text != NULL);
|
||
|
||
if (!selected_iter || (up && *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_root (model, &iter);
|
||
|
||
ret = gtk_tree_view_search_iter (model, selection, &iter, text,
|
||
&count, up?((*selected_iter) - 1):((*selected_iter + 1)));
|
||
|
||
if (ret)
|
||
{
|
||
/* found */
|
||
*selected_iter += up?(-1):(1);
|
||
}
|
||
else
|
||
{
|
||
/* return to old iter */
|
||
count = 0;
|
||
gtk_tree_model_get_iter_root (model, &iter);
|
||
gtk_tree_view_search_iter (model, selection,
|
||
&iter, text,
|
||
&count, *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;
|
||
gchar *normalized_string;
|
||
gchar *normalized_key;
|
||
gchar *case_normalized_string;
|
||
gchar *case_normalized_key;
|
||
GValue value = {0,};
|
||
gint key_len;
|
||
|
||
gtk_tree_model_get_value (model, iter, column, &value);
|
||
normalized_string = g_utf8_normalize (g_value_get_string (&value), -1, G_NORMALIZE_ALL);
|
||
normalized_key = g_utf8_normalize (key, -1, G_NORMALIZE_ALL);
|
||
case_normalized_string = g_utf8_casefold (normalized_string, -1);
|
||
case_normalized_key = g_utf8_casefold (normalized_key, -1);
|
||
|
||
key_len = strlen (case_normalized_key);
|
||
|
||
if (!strncmp (case_normalized_key, case_normalized_string, key_len))
|
||
retval = FALSE;
|
||
|
||
g_value_unset (&value);
|
||
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);
|
||
GtkTreeViewColumn *column =
|
||
gtk_tree_view_get_column (tree_view, tree_view->priv->search_column);
|
||
|
||
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_selection_select_iter (selection, iter);
|
||
gtk_tree_view_scroll_to_cell (tree_view, path, column,
|
||
TRUE, 0.5, 0.5);
|
||
gtk_tree_view_real_set_cursor (tree_view, path, FALSE);
|
||
|
||
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_append_index (path, 0);
|
||
|
||
/* 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);
|
||
|
||
if (path)
|
||
gtk_tree_path_free (path);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_view_search_init (GtkWidget *entry,
|
||
GtkTreeView *tree_view)
|
||
{
|
||
gint ret;
|
||
gint *selected_iter;
|
||
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);
|
||
selected_iter = g_object_get_data (G_OBJECT (window), "gtk-tree-view-selected-iter");
|
||
if (selected_iter)
|
||
g_free (selected_iter);
|
||
g_object_set_data (G_OBJECT (window), "gtk-tree-view-selected-iter", NULL);
|
||
|
||
if (len < 1)
|
||
return;
|
||
|
||
gtk_tree_model_get_iter_root (model, &iter);
|
||
|
||
ret = gtk_tree_view_search_iter (model, selection,
|
||
&iter, text,
|
||
&count, 1);
|
||
|
||
if (ret)
|
||
{
|
||
selected_iter = g_malloc (sizeof (int));
|
||
*selected_iter = 1;
|
||
g_object_set_data (G_OBJECT (window), "gtk-tree-view-selected-iter",
|
||
selected_iter);
|
||
}
|
||
}
|
||
|
||
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;
|
||
|
||
gtk_widget_grab_focus (GTK_WIDGET (tree_view));
|
||
|
||
gtk_container_remove (GTK_CONTAINER (tree_view),
|
||
GTK_WIDGET (cell_editable));
|
||
}
|
||
|
||
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);
|
||
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_column_cell_event (tree_view->priv->focus_column,
|
||
&editable_widget,
|
||
NULL,
|
||
path_string,
|
||
&background_area,
|
||
&cell_area,
|
||
flags))
|
||
{
|
||
retval = TRUE;
|
||
if (editable_widget != NULL)
|
||
{
|
||
gtk_tree_view_real_start_editing (tree_view,
|
||
tree_view->priv->focus_column,
|
||
cursor_path,
|
||
editable_widget,
|
||
&cell_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)
|
||
{
|
||
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);
|
||
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)
|
||
{
|
||
if (tree_view->priv->edited_column == NULL)
|
||
return;
|
||
|
||
if (! cancel_editing)
|
||
gtk_cell_editable_editing_done (tree_view->priv->edited_column->editable_widget);
|
||
|
||
gtk_cell_editable_remove_widget (tree_view->priv->edited_column->editable_widget);
|
||
}
|