1 /* GAIL - The GNOME Accessibility Implementation Library
2 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
21 #ifdef GDK_WINDOWING_X11
22 #include <gdk/x11/gdkx.h>
25 #include "gtktreeprivate.h"
26 #include "gtkwidgetprivate.h"
28 #include "gtktreeviewaccessible.h"
29 #include "gtkrenderercellaccessible.h"
30 #include "gtkbooleancellaccessible.h"
31 #include "gtkimagecellaccessible.h"
32 #include "gtkcontainercellaccessible.h"
33 #include "gtktextcellaccessible.h"
34 #include "gtkcellaccessibleparent.h"
36 typedef struct _GtkTreeViewAccessibleCellInfo GtkTreeViewAccessibleCellInfo;
37 struct _GtkTreeViewAccessibleCellInfo
39 GtkCellAccessible *cell;
42 GtkTreeViewColumn *cell_col_ref;
43 GtkTreeViewAccessible *view;
48 static int cell_info_get_index (GtkTreeView *tree_view,
49 GtkTreeViewAccessibleCellInfo *info);
50 static gboolean is_cell_showing (GtkTreeView *tree_view,
51 GdkRectangle *cell_rect);
53 static void cell_info_new (GtkTreeViewAccessible *accessible,
56 GtkTreeViewColumn *tv_col,
57 GtkCellAccessible *cell);
58 static gint get_column_number (GtkTreeView *tree_view,
59 GtkTreeViewColumn *column);
61 static gboolean get_rbtree_column_from_index (GtkTreeView *tree_view,
65 GtkTreeViewColumn **column);
67 static GtkTreeViewAccessibleCellInfo* find_cell_info (GtkTreeViewAccessible *view,
68 GtkCellAccessible *cell);
69 static AtkObject * get_header_from_column (GtkTreeViewColumn *tv_col);
72 static void atk_table_interface_init (AtkTableIface *iface);
73 static void atk_selection_interface_init (AtkSelectionIface *iface);
74 static void atk_component_interface_init (AtkComponentIface *iface);
75 static void gtk_cell_accessible_parent_interface_init (GtkCellAccessibleParentIface *iface);
77 G_DEFINE_TYPE_WITH_CODE (GtkTreeViewAccessible, _gtk_tree_view_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE,
78 G_IMPLEMENT_INTERFACE (ATK_TYPE_TABLE, atk_table_interface_init)
79 G_IMPLEMENT_INTERFACE (ATK_TYPE_SELECTION, atk_selection_interface_init)
80 G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init)
81 G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_ACCESSIBLE_PARENT, gtk_cell_accessible_parent_interface_init))
85 gtk_tree_view_accessible_get_data_quark (void)
87 static GQuark quark = 0;
89 if (G_UNLIKELY (quark == 0))
90 quark = g_quark_from_static_string ("gtk-tree-view-accessible-data");
96 cell_info_free (GtkTreeViewAccessibleCellInfo *cell_info)
98 gtk_accessible_set_widget (GTK_ACCESSIBLE (cell_info->cell), NULL);
99 g_object_unref (cell_info->cell);
105 cell_info_get_path (GtkTreeViewAccessibleCellInfo *cell_info)
107 return _gtk_tree_path_new_from_rbtree (cell_info->tree, cell_info->node);
111 cell_info_hash (gconstpointer info)
113 const GtkTreeViewAccessibleCellInfo *cell_info = info;
116 node = GPOINTER_TO_UINT (cell_info->node);
117 col = GPOINTER_TO_UINT (cell_info->cell_col_ref);
119 return ((node << sizeof (guint) / 2) | (node >> sizeof (guint) / 2)) ^ col;
123 cell_info_equal (gconstpointer a, gconstpointer b)
125 const GtkTreeViewAccessibleCellInfo *cell_info_a = a;
126 const GtkTreeViewAccessibleCellInfo *cell_info_b = b;
128 return cell_info_a->node == cell_info_b->node &&
129 cell_info_a->cell_col_ref == cell_info_b->cell_col_ref;
133 gtk_tree_view_accessible_initialize (AtkObject *obj,
136 GtkTreeViewAccessible *accessible;
137 GtkTreeView *tree_view;
138 GtkTreeModel *tree_model;
141 ATK_OBJECT_CLASS (_gtk_tree_view_accessible_parent_class)->initialize (obj, data);
143 accessible = GTK_TREE_VIEW_ACCESSIBLE (obj);
145 accessible->cell_infos = g_hash_table_new_full (cell_info_hash,
146 cell_info_equal, NULL, (GDestroyNotify) cell_info_free);
148 widget = GTK_WIDGET (data);
149 tree_view = GTK_TREE_VIEW (widget);
150 tree_model = gtk_tree_view_get_model (tree_view);
154 if (gtk_tree_model_get_flags (tree_model) & GTK_TREE_MODEL_LIST_ONLY)
155 obj->role = ATK_ROLE_TABLE;
157 obj->role = ATK_ROLE_TREE_TABLE;
162 gtk_tree_view_accessible_finalize (GObject *object)
164 GtkTreeViewAccessible *accessible = GTK_TREE_VIEW_ACCESSIBLE (object);
166 if (accessible->cell_infos)
167 g_hash_table_destroy (accessible->cell_infos);
169 G_OBJECT_CLASS (_gtk_tree_view_accessible_parent_class)->finalize (object);
173 gtk_tree_view_accessible_notify_gtk (GObject *obj,
177 GtkTreeView *tree_view;
178 GtkTreeViewAccessible *accessible;
180 widget = GTK_WIDGET (obj);
181 accessible = GTK_TREE_VIEW_ACCESSIBLE (gtk_widget_get_accessible (widget));
182 tree_view = GTK_TREE_VIEW (widget);
184 if (g_strcmp0 (pspec->name, "model") == 0)
186 GtkTreeModel *tree_model;
189 tree_model = gtk_tree_view_get_model (tree_view);
190 g_hash_table_remove_all (accessible->cell_infos);
194 if (gtk_tree_model_get_flags (tree_model) & GTK_TREE_MODEL_LIST_ONLY)
195 role = ATK_ROLE_TABLE;
197 role = ATK_ROLE_TREE_TABLE;
201 role = ATK_ROLE_UNKNOWN;
203 atk_object_set_role (ATK_OBJECT (accessible), role);
204 g_object_freeze_notify (G_OBJECT (accessible));
205 g_signal_emit_by_name (accessible, "model-changed");
206 g_signal_emit_by_name (accessible, "visible-data-changed");
207 g_object_thaw_notify (G_OBJECT (accessible));
210 GTK_WIDGET_ACCESSIBLE_CLASS (_gtk_tree_view_accessible_parent_class)->notify_gtk (obj, pspec);
214 gtk_tree_view_accessible_widget_unset (GtkAccessible *gtkaccessible)
216 GtkTreeViewAccessible *accessible = GTK_TREE_VIEW_ACCESSIBLE (gtkaccessible);
218 g_hash_table_remove_all (accessible->cell_infos);
220 GTK_ACCESSIBLE_CLASS (_gtk_tree_view_accessible_parent_class)->widget_unset (gtkaccessible);
224 get_n_rows (GtkTreeView *tree_view)
228 tree = _gtk_tree_view_get_rbtree (tree_view);
233 return tree->root->total_count;
237 get_n_columns (GtkTreeView *tree_view)
239 guint i, visible_columns;
243 for (i = 0; i < gtk_tree_view_get_n_columns (tree_view); i++)
245 GtkTreeViewColumn *column = gtk_tree_view_get_column (tree_view, i);
247 if (gtk_tree_view_column_get_visible (column))
251 return visible_columns;
254 gtk_tree_view_accessible_get_n_children (AtkObject *obj)
257 GtkTreeView *tree_view;
259 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
263 tree_view = GTK_TREE_VIEW (widget);
264 return (get_n_rows (tree_view) + 1) * get_n_columns (tree_view);
267 static GtkTreeViewColumn *
268 get_visible_column (GtkTreeView *tree_view,
273 for (i = 0; i < gtk_tree_view_get_n_columns (tree_view); i++)
275 GtkTreeViewColumn *column = gtk_tree_view_get_column (tree_view, i);
277 if (!gtk_tree_view_column_get_visible (column))
286 g_return_val_if_reached (NULL);
290 set_cell_data (GtkTreeView *treeview,
291 GtkTreeViewAccessible *accessible,
292 GtkCellAccessible *cell)
294 GtkTreeViewAccessibleCellInfo *cell_info;
295 gboolean is_expander, is_expanded;
300 cell_info = find_cell_info (accessible, cell);
304 model = gtk_tree_view_get_model (treeview);
306 if (GTK_RBNODE_FLAG_SET (cell_info->node, GTK_RBNODE_IS_PARENT) &&
307 cell_info->cell_col_ref == gtk_tree_view_get_expander_column (treeview))
310 is_expanded = cell_info->node->children != NULL;
318 path = cell_info_get_path (cell_info);
320 !gtk_tree_model_get_iter (model, &iter, path))
322 /* We only track valid cells, this should never happen */
323 g_return_if_reached ();
325 gtk_tree_path_free (path);
327 gtk_tree_view_column_cell_set_cell_data (cell_info->cell_col_ref,
334 static GtkCellAccessible *
335 peek_cell (GtkTreeViewAccessible *accessible,
338 GtkTreeViewColumn *column)
340 GtkTreeViewAccessibleCellInfo lookup, *cell_info;
344 lookup.cell_col_ref = column;
346 cell_info = g_hash_table_lookup (accessible->cell_infos, &lookup);
347 if (cell_info == NULL)
350 return cell_info->cell;
353 static GtkCellAccessible *
354 create_cell (GtkTreeView *treeview,
355 GtkTreeViewAccessible *accessible,
358 GtkTreeViewColumn *column)
360 GtkCellRenderer *renderer;
362 GList *renderer_list;
364 GtkContainerCellAccessible *container = NULL;
365 GtkCellAccessible *cell;
367 renderer_list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
369 /* If there is not exactly one renderer in the list,
372 if (renderer_list == NULL || renderer_list->next)
374 GtkCellAccessible *container_cell;
376 container = _gtk_container_cell_accessible_new ();
378 container_cell = GTK_CELL_ACCESSIBLE (container);
379 _gtk_cell_accessible_initialise (container_cell, GTK_WIDGET (treeview), ATK_OBJECT (accessible));
381 /* The GtkTreeViewAccessibleCellInfo structure for the container will
382 * be before the ones for the cells so that the first one we find for
383 * a position will be for the container
385 cell_info_new (accessible, tree, node, column, container_cell);
386 parent = ATK_OBJECT (container);
389 parent = ATK_OBJECT (accessible);
393 for (l = renderer_list; l; l = l->next)
395 renderer = GTK_CELL_RENDERER (l->data);
397 cell = GTK_CELL_ACCESSIBLE (_gtk_renderer_cell_accessible_new (renderer));
399 /* Create the GtkTreeViewAccessibleCellInfo for this cell */
400 if (parent == ATK_OBJECT (accessible))
401 cell_info_new (accessible, tree, node, column, cell);
403 _gtk_cell_accessible_initialise (cell, GTK_WIDGET (treeview), parent);
406 _gtk_container_cell_accessible_add_child (container, cell);
408 g_list_free (renderer_list);
410 cell = GTK_CELL_ACCESSIBLE (container);
412 set_cell_data (treeview, accessible, cell);
413 _gtk_cell_accessible_update_cache (cell);
415 if (gtk_tree_view_get_expander_column (treeview) == column)
417 AtkRelationSet *relation_set;
418 AtkRelation* relation;
419 AtkObject *parent_node;
421 relation_set = atk_object_ref_relation_set (ATK_OBJECT (cell));
423 if (tree->parent_tree)
425 parent_node = ATK_OBJECT (peek_cell (accessible, tree->parent_tree, tree->parent_node, column));
426 if (parent_node == NULL)
427 parent_node = ATK_OBJECT (create_cell (treeview, accessible, tree->parent_tree, tree->parent_node, column));
430 parent_node = ATK_OBJECT (accessible);
431 relation = atk_relation_new (&parent_node, 1, ATK_RELATION_NODE_CHILD_OF);
432 atk_relation_set_add (relation_set, relation);
433 atk_object_add_relationship (parent_node, ATK_RELATION_NODE_PARENT_OF, ATK_OBJECT (cell));
434 g_object_unref (relation);
435 g_object_unref (relation_set);
442 gtk_tree_view_accessible_ref_child (AtkObject *obj,
446 GtkTreeViewAccessible *accessible;
447 GtkCellAccessible *cell;
448 GtkTreeView *tree_view;
449 GtkTreeViewColumn *tv_col;
454 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
458 if (i >= gtk_tree_view_accessible_get_n_children (obj))
461 accessible = GTK_TREE_VIEW_ACCESSIBLE (obj);
462 tree_view = GTK_TREE_VIEW (widget);
463 if (i < get_n_columns (tree_view))
465 tv_col = get_visible_column (tree_view, i);
466 child = get_header_from_column (tv_col);
468 g_object_ref (child);
472 /* Find the RBTree and GtkTreeViewColumn for the index */
473 if (!get_rbtree_column_from_index (tree_view, i, &tree, &node, &tv_col))
476 cell = peek_cell (accessible, tree, node, tv_col);
478 cell = create_cell (tree_view, accessible, tree, node, tv_col);
480 return g_object_ref (cell);
484 gtk_tree_view_accessible_ref_state_set (AtkObject *obj)
486 AtkStateSet *state_set;
489 state_set = ATK_OBJECT_CLASS (_gtk_tree_view_accessible_parent_class)->ref_state_set (obj);
490 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
493 atk_state_set_add_state (state_set, ATK_STATE_MANAGES_DESCENDANTS);
499 _gtk_tree_view_accessible_class_init (GtkTreeViewAccessibleClass *klass)
501 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
502 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
503 GtkAccessibleClass *accessible_class = (GtkAccessibleClass*)klass;
504 GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
505 GtkContainerAccessibleClass *container_class = (GtkContainerAccessibleClass*)klass;
507 class->get_n_children = gtk_tree_view_accessible_get_n_children;
508 class->ref_child = gtk_tree_view_accessible_ref_child;
509 class->ref_state_set = gtk_tree_view_accessible_ref_state_set;
510 class->initialize = gtk_tree_view_accessible_initialize;
512 widget_class->notify_gtk = gtk_tree_view_accessible_notify_gtk;
514 accessible_class->widget_unset = gtk_tree_view_accessible_widget_unset;
516 /* The children of a GtkTreeView are the buttons at the top of the columns
517 * we do not represent these as children so we do not want to report
518 * children added or deleted when these changed.
520 container_class->add_gtk = NULL;
521 container_class->remove_gtk = NULL;
523 gobject_class->finalize = gtk_tree_view_accessible_finalize;
527 _gtk_tree_view_accessible_init (GtkTreeViewAccessible *view)
534 gtk_tree_view_accessible_ref_accessible_at_point (AtkComponent *component,
537 AtkCoordType coord_type)
540 GtkTreeView *tree_view;
542 GtkTreeViewColumn *column;
545 GtkCellAccessible *cell;
549 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
553 tree_view = GTK_TREE_VIEW (widget);
555 atk_component_get_extents (component, &x_pos, &y_pos, NULL, NULL, coord_type);
556 gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, x, y, &bx, &by);
557 if (!gtk_tree_view_get_path_at_pos (tree_view,
558 bx - x_pos, by - y_pos,
559 &path, &column, NULL, NULL))
562 if (_gtk_tree_view_find_node (tree_view, path, &tree, &node))
564 gtk_tree_path_free (path);
568 cell = peek_cell (GTK_TREE_VIEW_ACCESSIBLE (component), tree, node, column);
570 cell = create_cell (tree_view, GTK_TREE_VIEW_ACCESSIBLE (component), tree, node, column);
572 return g_object_ref (cell);
576 atk_component_interface_init (AtkComponentIface *iface)
578 iface->ref_accessible_at_point = gtk_tree_view_accessible_ref_accessible_at_point;
584 gtk_tree_view_accessible_get_index_at (AtkTable *table,
591 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
595 n_cols = atk_table_get_n_columns (table);
596 n_rows = atk_table_get_n_rows (table);
598 if (row >= n_rows || column >= n_cols)
601 return (row + 1) * n_cols + column;
605 gtk_tree_view_accessible_get_column_at_index (AtkTable *table,
611 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
615 if (index >= gtk_tree_view_accessible_get_n_children (ATK_OBJECT (table)))
618 n_columns = get_n_columns (GTK_TREE_VIEW (widget));
620 /* checked by the n_children() check above */
621 g_assert (n_columns > 0);
623 return index % n_columns;
627 gtk_tree_view_accessible_get_row_at_index (AtkTable *table,
631 GtkTreeView *tree_view;
633 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
637 tree_view = GTK_TREE_VIEW (widget);
639 index /= get_n_columns (tree_view);
641 if (index >= get_n_rows (tree_view))
648 gtk_tree_view_accessible_table_ref_at (AtkTable *table,
654 index = gtk_tree_view_accessible_get_index_at (table, row, column);
658 return gtk_tree_view_accessible_ref_child (ATK_OBJECT (table), index);
662 gtk_tree_view_accessible_get_n_rows (AtkTable *table)
666 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
670 return get_n_rows (GTK_TREE_VIEW (widget));
674 gtk_tree_view_accessible_get_n_columns (AtkTable *table)
678 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
682 return get_n_columns (GTK_TREE_VIEW (widget));
686 gtk_tree_view_accessible_is_row_selected (AtkTable *table,
696 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
700 if (!_gtk_rbtree_find_index (_gtk_tree_view_get_rbtree (GTK_TREE_VIEW (widget)),
706 return GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED);
710 gtk_tree_view_accessible_is_selected (AtkTable *table,
714 return gtk_tree_view_accessible_is_row_selected (table, row);
719 GtkTreeView *treeview;
723 get_selected_rows (GtkTreeModel *model,
728 SelectedRowsData *data = datap;
733 if (_gtk_tree_view_find_node (data->treeview,
737 g_assert_not_reached ();
740 id = _gtk_rbtree_node_get_index (tree, node);
742 g_array_append_val (data->array, id);
746 gtk_tree_view_accessible_get_selected_rows (AtkTable *table,
747 gint **rows_selected)
749 SelectedRowsData data;
753 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
757 data.treeview = GTK_TREE_VIEW (widget);
758 data.array = g_array_new (FALSE, FALSE, sizeof (gint));
760 gtk_tree_selection_selected_foreach (gtk_tree_view_get_selection (data.treeview),
764 n_rows = data.array->len;
766 *rows_selected = (gint *) g_array_free (data.array, FALSE);
768 g_array_free (data.array, TRUE);
774 gtk_tree_view_accessible_add_row_selection (AtkTable *table,
777 GtkTreeView *treeview;
785 treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (table)));
786 if (treeview == NULL)
789 if (!_gtk_rbtree_find_index (_gtk_tree_view_get_rbtree (treeview),
795 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
798 path = _gtk_tree_path_new_from_rbtree (tree, node);
799 gtk_tree_selection_select_path (gtk_tree_view_get_selection (treeview), path);
800 gtk_tree_path_free (path);
806 gtk_tree_view_accessible_remove_row_selection (AtkTable *table,
809 GtkTreeView *treeview;
817 treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (table)));
818 if (treeview == NULL)
821 if (!_gtk_rbtree_find_index (_gtk_tree_view_get_rbtree (treeview),
827 if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
830 path = _gtk_tree_path_new_from_rbtree (tree, node);
831 gtk_tree_selection_unselect_path (gtk_tree_view_get_selection (treeview), path);
832 gtk_tree_path_free (path);
838 gtk_tree_view_accessible_get_column_header (AtkTable *table,
842 GtkTreeView *tree_view;
843 GtkTreeViewColumn *tv_col;
845 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
849 tree_view = GTK_TREE_VIEW (widget);
850 if (in_col < 0 || in_col >= get_n_columns (tree_view))
853 tv_col = get_visible_column (tree_view, in_col);
854 return get_header_from_column (tv_col);
858 gtk_tree_view_accessible_get_column_description (AtkTable *table,
862 GtkTreeView *tree_view;
863 GtkTreeViewColumn *tv_col;
865 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table));
869 tree_view = GTK_TREE_VIEW (widget);
870 if (in_col < 0 || in_col >= get_n_columns (tree_view))
873 tv_col = get_visible_column (tree_view, in_col);
874 return gtk_tree_view_column_get_title (tv_col);
878 atk_table_interface_init (AtkTableIface *iface)
880 iface->ref_at = gtk_tree_view_accessible_table_ref_at;
881 iface->get_n_rows = gtk_tree_view_accessible_get_n_rows;
882 iface->get_n_columns = gtk_tree_view_accessible_get_n_columns;
883 iface->get_index_at = gtk_tree_view_accessible_get_index_at;
884 iface->get_column_at_index = gtk_tree_view_accessible_get_column_at_index;
885 iface->get_row_at_index = gtk_tree_view_accessible_get_row_at_index;
886 iface->is_row_selected = gtk_tree_view_accessible_is_row_selected;
887 iface->is_selected = gtk_tree_view_accessible_is_selected;
888 iface->get_selected_rows = gtk_tree_view_accessible_get_selected_rows;
889 iface->add_row_selection = gtk_tree_view_accessible_add_row_selection;
890 iface->remove_row_selection = gtk_tree_view_accessible_remove_row_selection;
891 iface->get_column_extent_at = NULL;
892 iface->get_row_extent_at = NULL;
893 iface->get_column_header = gtk_tree_view_accessible_get_column_header;
894 iface->get_column_description = gtk_tree_view_accessible_get_column_description;
900 gtk_tree_view_accessible_add_selection (AtkSelection *selection,
907 table = ATK_TABLE (selection);
908 n_columns = gtk_tree_view_accessible_get_n_columns (table);
912 row = gtk_tree_view_accessible_get_row_at_index (table, i);
913 return gtk_tree_view_accessible_add_row_selection (table, row);
917 gtk_tree_view_accessible_clear_selection (AtkSelection *selection)
920 GtkTreeView *tree_view;
921 GtkTreeSelection *tree_selection;
923 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
927 tree_view = GTK_TREE_VIEW (widget);
928 tree_selection = gtk_tree_view_get_selection (tree_view);
930 gtk_tree_selection_unselect_all (tree_selection);
935 gtk_tree_view_accessible_ref_selection (AtkSelection *selection,
944 table = ATK_TABLE (selection);
945 n_columns = gtk_tree_view_accessible_get_n_columns (table);
946 n_selected = gtk_tree_view_accessible_get_selected_rows (table, &selected);
947 if (i >= n_columns * n_selected)
950 row = selected[i / n_columns];
953 return gtk_tree_view_accessible_table_ref_at (table, row, i % n_columns);
957 gtk_tree_view_accessible_get_selection_count (AtkSelection *selection)
962 table = ATK_TABLE (selection);
963 n_selected = gtk_tree_view_accessible_get_selected_rows (table, NULL);
965 n_selected *= gtk_tree_view_accessible_get_n_columns (table);
970 gtk_tree_view_accessible_is_child_selected (AtkSelection *selection,
976 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
980 row = atk_table_get_row_at_index (ATK_TABLE (selection), i);
982 return gtk_tree_view_accessible_is_row_selected (ATK_TABLE (selection), row);
985 static void atk_selection_interface_init (AtkSelectionIface *iface)
987 iface->add_selection = gtk_tree_view_accessible_add_selection;
988 iface->clear_selection = gtk_tree_view_accessible_clear_selection;
989 iface->ref_selection = gtk_tree_view_accessible_ref_selection;
990 iface->get_selection_count = gtk_tree_view_accessible_get_selection_count;
991 iface->is_child_selected = gtk_tree_view_accessible_is_child_selected;
994 #define EXTRA_EXPANDER_PADDING 4
997 gtk_tree_view_accessible_get_cell_area (GtkCellAccessibleParent *parent,
998 GtkCellAccessible *cell,
999 GdkRectangle *cell_rect)
1002 GtkTreeView *tree_view;
1003 GtkTreeViewColumn *tv_col;
1005 AtkObject *parent_cell;
1006 GtkTreeViewAccessibleCellInfo *cell_info;
1007 GtkCellAccessible *top_cell;
1009 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent));
1013 tree_view = GTK_TREE_VIEW (widget);
1014 parent_cell = atk_object_get_parent (ATK_OBJECT (cell));
1015 if (parent_cell != ATK_OBJECT (parent))
1016 top_cell = GTK_CELL_ACCESSIBLE (parent_cell);
1019 cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), top_cell);
1022 path = cell_info_get_path (cell_info);
1023 tv_col = cell_info->cell_col_ref;
1026 GtkTreeViewColumn *expander_column;
1027 gint focus_line_width;
1029 gtk_tree_view_get_cell_area (tree_view, path, tv_col, cell_rect);
1030 expander_column = gtk_tree_view_get_expander_column (tree_view);
1031 if (expander_column == tv_col)
1034 gtk_widget_style_get (widget,
1035 "expander-size", &expander_size,
1037 cell_rect->x += expander_size + EXTRA_EXPANDER_PADDING;
1038 cell_rect->width -= expander_size + EXTRA_EXPANDER_PADDING;
1040 gtk_widget_style_get (widget,
1041 "focus-line-width", &focus_line_width,
1044 cell_rect->x += focus_line_width;
1045 cell_rect->width -= 2 * focus_line_width;
1047 gtk_tree_path_free (path);
1049 /* A column has more than one renderer so we find the position
1052 if (top_cell != cell)
1059 GtkCellRenderer *renderer;
1061 cell_index = atk_object_get_index_in_parent (ATK_OBJECT (cell));
1062 renderers = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (tv_col));
1063 renderer = g_list_nth_data (renderers, cell_index);
1065 found = gtk_tree_view_column_cell_get_position (tv_col, renderer, &cell_start, &cell_width);
1068 cell_rect->x += cell_start;
1069 cell_rect->width = cell_width;
1071 g_list_free (renderers);
1078 gtk_tree_view_accessible_get_cell_extents (GtkCellAccessibleParent *parent,
1079 GtkCellAccessible *cell,
1084 AtkCoordType coord_type)
1087 GtkTreeView *tree_view;
1088 GdkWindow *bin_window;
1089 GdkRectangle cell_rect;
1092 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent));
1096 tree_view = GTK_TREE_VIEW (widget);
1097 gtk_tree_view_accessible_get_cell_area (parent, cell, &cell_rect);
1098 bin_window = gtk_tree_view_get_bin_window (tree_view);
1099 gdk_window_get_origin (bin_window, &w_x, &w_y);
1101 if (coord_type == ATK_XY_WINDOW)
1104 gint x_toplevel, y_toplevel;
1106 window = gdk_window_get_toplevel (bin_window);
1107 gdk_window_get_origin (window, &x_toplevel, &y_toplevel);
1113 *width = cell_rect.width;
1114 *height = cell_rect.height;
1115 if (is_cell_showing (tree_view, &cell_rect))
1117 *x = cell_rect.x + w_x;
1118 *y = cell_rect.y + w_y;
1128 gtk_tree_view_accessible_grab_cell_focus (GtkCellAccessibleParent *parent,
1129 GtkCellAccessible *cell)
1132 GtkTreeView *tree_view;
1133 GtkTreeViewColumn *tv_col;
1135 AtkObject *parent_cell;
1136 AtkObject *cell_object;
1137 GtkTreeViewAccessibleCellInfo *cell_info;
1138 GtkCellRenderer *renderer = NULL;
1139 GtkWidget *toplevel;
1142 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent));
1146 tree_view = GTK_TREE_VIEW (widget);
1148 cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell);
1151 cell_object = ATK_OBJECT (cell);
1152 parent_cell = atk_object_get_parent (cell_object);
1153 tv_col = cell_info->cell_col_ref;
1154 if (parent_cell != ATK_OBJECT (parent))
1156 /* GtkCellAccessible is in a GtkContainerCellAccessible.
1157 * The GtkTreeViewColumn has multiple renderers;
1158 * find the corresponding one.
1162 renderers = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (tv_col));
1163 index = atk_object_get_index_in_parent (cell_object);
1164 renderer = g_list_nth_data (renderers, index);
1165 g_list_free (renderers);
1167 path = cell_info_get_path (cell_info);
1171 gtk_tree_view_set_cursor_on_cell (tree_view, path, tv_col, renderer, FALSE);
1173 gtk_tree_view_set_cursor (tree_view, path, tv_col, FALSE);
1175 gtk_tree_path_free (path);
1176 gtk_widget_grab_focus (widget);
1177 toplevel = gtk_widget_get_toplevel (widget);
1178 if (gtk_widget_is_toplevel (toplevel))
1180 #ifdef GDK_WINDOWING_X11
1181 gtk_window_present_with_time (GTK_WINDOW (toplevel),
1182 gdk_x11_get_server_time (gtk_widget_get_window (widget)));
1184 gtk_window_present (GTK_WINDOW (toplevel));
1195 gtk_tree_view_accessible_get_child_index (GtkCellAccessibleParent *parent,
1196 GtkCellAccessible *cell)
1198 GtkTreeViewAccessibleCellInfo *cell_info;
1199 GtkTreeView *tree_view;
1201 cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell);
1205 tree_view = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)));
1207 return cell_info_get_index (tree_view, cell_info);
1210 static GtkCellRendererState
1211 gtk_tree_view_accessible_get_renderer_state (GtkCellAccessibleParent *parent,
1212 GtkCellAccessible *cell)
1214 GtkTreeViewAccessibleCellInfo *cell_info;
1215 GtkTreeView *treeview;
1216 GtkCellRendererState flags;
1218 cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell);
1224 if (GTK_RBNODE_FLAG_SET (cell_info->node, GTK_RBNODE_IS_SELECTED))
1225 flags |= GTK_CELL_RENDERER_SELECTED;
1227 if (GTK_RBNODE_FLAG_SET (cell_info->node, GTK_RBNODE_IS_PRELIT))
1228 flags |= GTK_CELL_RENDERER_PRELIT;
1230 if (gtk_tree_view_column_get_sort_indicator (cell_info->cell_col_ref))
1231 flags |= GTK_CELL_RENDERER_SORTED;
1233 treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)));
1235 if (cell_info->cell_col_ref == gtk_tree_view_get_expander_column (treeview))
1237 if (GTK_RBNODE_FLAG_SET (cell_info->node, GTK_RBNODE_IS_PARENT))
1238 flags |= GTK_CELL_RENDERER_EXPANDABLE;
1240 if (cell_info->node->children)
1241 flags |= GTK_CELL_RENDERER_EXPANDED;
1244 if (gtk_widget_has_focus (GTK_WIDGET (treeview)))
1246 GtkTreeViewColumn *column;
1251 gtk_tree_view_get_cursor (treeview, &path, &column);
1254 _gtk_tree_view_find_node (treeview, path, &tree, &node);
1255 gtk_tree_path_free (path);
1260 if (cell_info->cell_col_ref == column
1261 && cell_info->tree == tree
1262 && cell_info->node == node)
1263 flags |= GTK_CELL_RENDERER_FOCUSED;
1270 gtk_tree_view_accessible_expand_collapse (GtkCellAccessibleParent *parent,
1271 GtkCellAccessible *cell)
1273 GtkTreeViewAccessibleCellInfo *cell_info;
1274 GtkTreeView *treeview;
1277 treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)));
1279 cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell);
1281 cell_info->cell_col_ref != gtk_tree_view_get_expander_column (treeview))
1284 path = cell_info_get_path (cell_info);
1286 if (cell_info->node->children)
1287 gtk_tree_view_collapse_row (treeview, path);
1289 gtk_tree_view_expand_row (treeview, path, FALSE);
1291 gtk_tree_path_free (path);
1295 gtk_tree_view_accessible_activate (GtkCellAccessibleParent *parent,
1296 GtkCellAccessible *cell)
1298 GtkTreeViewAccessibleCellInfo *cell_info;
1299 GtkTreeView *treeview;
1302 treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)));
1304 cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell);
1308 path = cell_info_get_path (cell_info);
1310 gtk_tree_view_row_activated (treeview, path, cell_info->cell_col_ref);
1312 gtk_tree_path_free (path);
1316 gtk_tree_view_accessible_edit (GtkCellAccessibleParent *parent,
1317 GtkCellAccessible *cell)
1319 GtkTreeView *treeview;
1321 if (!gtk_tree_view_accessible_grab_cell_focus (parent, cell))
1324 treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)));
1326 g_signal_emit_by_name (treeview,
1327 "real-select-cursor-row",
1332 gtk_cell_accessible_parent_interface_init (GtkCellAccessibleParentIface *iface)
1334 iface->get_cell_extents = gtk_tree_view_accessible_get_cell_extents;
1335 iface->get_cell_area = gtk_tree_view_accessible_get_cell_area;
1336 iface->grab_focus = gtk_tree_view_accessible_grab_cell_focus;
1337 iface->get_child_index = gtk_tree_view_accessible_get_child_index;
1338 iface->get_renderer_state = gtk_tree_view_accessible_get_renderer_state;
1339 iface->expand_collapse = gtk_tree_view_accessible_expand_collapse;
1340 iface->activate = gtk_tree_view_accessible_activate;
1341 iface->edit = gtk_tree_view_accessible_edit;
1345 _gtk_tree_view_accessible_reorder (GtkTreeView *treeview)
1347 GtkTreeViewAccessible *accessible;
1349 accessible = GTK_TREE_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (treeview)));
1350 if (accessible == NULL)
1353 g_signal_emit_by_name (accessible, "row-reordered");
1357 is_cell_showing (GtkTreeView *tree_view,
1358 GdkRectangle *cell_rect)
1360 GdkRectangle rect, *visible_rect;
1361 GdkRectangle rect1, *tree_cell_rect;
1363 gboolean is_showing;
1365 /* A cell is considered "SHOWING" if any part of the cell is
1366 * in the visible area. Other ways we could do this is by a
1367 * cell's midpoint or if the cell is fully in the visible range.
1368 * Since we have the cell_rect x, y, width, height of the cell,
1369 * any of these is easy to compute.
1371 * It is assumed that cell's rectangle is in widget coordinates
1372 * so we must transform to tree cordinates.
1374 visible_rect = ▭
1375 tree_cell_rect = &rect1;
1376 tree_cell_rect->x = cell_rect->x;
1377 tree_cell_rect->y = cell_rect->y;
1378 tree_cell_rect->width = cell_rect->width;
1379 tree_cell_rect->height = cell_rect->height;
1381 gtk_tree_view_get_visible_rect (tree_view, visible_rect);
1382 gtk_tree_view_convert_tree_to_bin_window_coords (tree_view, visible_rect->x,
1383 visible_rect->y, &bx, &by);
1385 if (((tree_cell_rect->x + tree_cell_rect->width) < bx) ||
1386 ((tree_cell_rect->y + tree_cell_rect->height) < by) ||
1387 (tree_cell_rect->x > (bx + visible_rect->width)) ||
1388 (tree_cell_rect->y > (by + visible_rect->height)))
1399 cell_info_get_index (GtkTreeView *tree_view,
1400 GtkTreeViewAccessibleCellInfo *info)
1404 index = _gtk_rbtree_node_get_index (info->tree, info->node) + 1;
1405 index *= get_n_columns (tree_view);
1406 index += get_column_number (tree_view, info->cell_col_ref);
1412 cell_info_new (GtkTreeViewAccessible *accessible,
1415 GtkTreeViewColumn *tv_col,
1416 GtkCellAccessible *cell)
1418 GtkTreeViewAccessibleCellInfo *cell_info;
1420 cell_info = g_new (GtkTreeViewAccessibleCellInfo, 1);
1422 cell_info->tree = tree;
1423 cell_info->node = node;
1424 cell_info->cell_col_ref = tv_col;
1425 cell_info->cell = g_object_ref (cell);
1426 cell_info->view = accessible;
1428 g_object_set_qdata (G_OBJECT (cell),
1429 gtk_tree_view_accessible_get_data_quark (),
1432 g_hash_table_replace (accessible->cell_infos, cell_info, cell_info);
1435 /* Returns the column number of the specified GtkTreeViewColumn
1436 * The column must be visible.
1439 get_column_number (GtkTreeView *treeview,
1440 GtkTreeViewColumn *column)
1442 GtkTreeViewColumn *cur;
1447 for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
1449 cur = gtk_tree_view_get_column (treeview, i);
1451 if (!gtk_tree_view_column_get_visible (cur))
1460 g_return_val_if_fail (i < gtk_tree_view_get_n_columns (treeview), 0);
1466 get_rbtree_column_from_index (GtkTreeView *tree_view,
1470 GtkTreeViewColumn **column)
1472 guint n_columns = get_n_columns (tree_view);
1476 /* First row is the column headers */
1483 g_return_val_if_fail (node != NULL, FALSE);
1485 if (!_gtk_rbtree_find_index (_gtk_tree_view_get_rbtree (tree_view),
1494 *column = get_visible_column (tree_view, index % n_columns);
1495 if (*column == NULL)
1501 static GtkTreeViewAccessibleCellInfo *
1502 find_cell_info (GtkTreeViewAccessible *accessible,
1503 GtkCellAccessible *cell)
1507 parent = atk_object_get_parent (ATK_OBJECT (cell));
1508 while (parent != ATK_OBJECT (accessible))
1510 cell = GTK_CELL_ACCESSIBLE (parent);
1511 parent = atk_object_get_parent (ATK_OBJECT (cell));
1514 return g_object_get_qdata (G_OBJECT (cell),
1515 gtk_tree_view_accessible_get_data_quark ());
1519 get_header_from_column (GtkTreeViewColumn *tv_col)
1522 GtkWidget *header_widget;
1527 header_widget = gtk_tree_view_column_get_button (tv_col);
1530 rc = gtk_widget_get_accessible (header_widget);
1538 _gtk_tree_view_accessible_add (GtkTreeView *treeview,
1542 GtkTreeViewAccessible *accessible;
1543 guint row, n_rows, n_cols, i;
1545 accessible = GTK_TREE_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (treeview)));
1546 if (accessible == NULL)
1551 row = tree->parent_tree ? _gtk_rbtree_node_get_index (tree->parent_tree, tree->parent_node) : 0;
1552 n_rows = tree->root->total_count;
1556 row = _gtk_rbtree_node_get_index (tree, node);
1557 n_rows = 1 + (node->children ? node->children->root->total_count : 0);
1560 g_signal_emit_by_name (accessible, "row-inserted", row, n_rows);
1562 n_cols = get_n_columns (treeview);
1565 for (i = (row + 1) * n_cols; i < (row + n_rows + 1) * n_cols; i++)
1567 /* Pass NULL as the child object, i.e. 4th argument */
1568 g_signal_emit_by_name (accessible, "children-changed::add", i, NULL, NULL);
1574 _gtk_tree_view_accessible_remove (GtkTreeView *treeview,
1578 GtkTreeViewAccessibleCellInfo *cell_info;
1579 GHashTableIter iter;
1580 GtkTreeViewAccessible *accessible;
1581 guint row, n_rows, n_cols, i;
1583 accessible = GTK_TREE_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (treeview)));
1584 if (accessible == NULL)
1587 /* if this shows up in profiles, special-case node->children == NULL */
1591 row = tree->parent_tree ? _gtk_rbtree_node_get_index (tree->parent_tree, tree->parent_node) : 0;
1592 n_rows = tree->root->total_count + 1;
1596 row = _gtk_rbtree_node_get_index (tree, node);
1597 n_rows = 1 + (node->children ? node->children->root->total_count : 0);
1599 tree = node->children;
1602 g_signal_emit_by_name (accessible, "row-deleted", row, n_rows);
1604 n_cols = get_n_columns (treeview);
1607 for (i = (n_rows + row + 1) * n_cols - 1; i >= (row + 1) * n_cols; i--)
1609 /* Pass NULL as the child object, i.e. 4th argument */
1610 g_signal_emit_by_name (accessible, "children-changed::remove", i, NULL, NULL);
1613 g_hash_table_iter_init (&iter, accessible->cell_infos);
1614 while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&cell_info))
1616 if (node == cell_info->node ||
1617 tree == cell_info->tree ||
1618 (tree && _gtk_rbtree_contains (tree, cell_info->tree)))
1619 g_hash_table_iter_remove (&iter);
1625 _gtk_tree_view_accessible_changed (GtkTreeView *treeview,
1629 GtkTreeViewAccessible *accessible;
1632 accessible = GTK_TREE_VIEW_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (treeview)));
1634 for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
1636 GtkCellAccessible *cell = peek_cell (accessible,
1638 gtk_tree_view_get_column (treeview, i));
1643 set_cell_data (treeview, accessible, cell);
1644 _gtk_cell_accessible_update_cache (cell);
1647 g_signal_emit_by_name (accessible, "visible-data-changed");
1650 /* NB: id is not checked, only columns < id are.
1651 * This is important so the function works for notification of removal of a column */
1653 to_visible_column_id (GtkTreeView *treeview,
1661 for (i = 0; i < id; i++)
1663 GtkTreeViewColumn *column = gtk_tree_view_get_column (treeview, i);
1665 if (!gtk_tree_view_column_get_visible (column))
1669 return id - invisible;
1673 _gtk_tree_view_accessible_do_add_column (GtkTreeViewAccessible *accessible,
1674 GtkTreeView *treeview,
1675 GtkTreeViewColumn *column,
1678 guint row, n_rows, n_cols;
1680 /* Generate column-inserted signal */
1681 g_signal_emit_by_name (accessible, "column-inserted", id, 1);
1683 n_rows = get_n_rows (treeview);
1684 n_cols = get_n_columns (treeview);
1686 /* Generate children-changed signals */
1687 for (row = 0; row <= n_rows; row++)
1689 /* Pass NULL as the child object, i.e. 4th argument */
1690 g_signal_emit_by_name (accessible, "children-changed::add",
1691 (row * n_cols) + id, NULL, NULL);
1696 _gtk_tree_view_accessible_add_column (GtkTreeView *treeview,
1697 GtkTreeViewColumn *column,
1702 if (!gtk_tree_view_column_get_visible (column))
1705 obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
1709 _gtk_tree_view_accessible_do_add_column (GTK_TREE_VIEW_ACCESSIBLE (obj),
1712 to_visible_column_id (treeview, id));
1716 _gtk_tree_view_accessible_do_remove_column (GtkTreeViewAccessible *accessible,
1717 GtkTreeView *treeview,
1718 GtkTreeViewColumn *column,
1721 GtkTreeViewAccessibleCellInfo *cell_info;
1722 GHashTableIter iter;
1724 guint row, n_rows, n_cols;
1726 /* Clean column from cache */
1727 g_hash_table_iter_init (&iter, accessible->cell_infos);
1728 while (g_hash_table_iter_next (&iter, NULL, &value))
1731 if (cell_info->cell_col_ref == column)
1732 g_hash_table_iter_remove (&iter);
1735 /* Generate column-deleted signal */
1736 g_signal_emit_by_name (accessible, "column-deleted", id, 1);
1738 n_rows = get_n_rows (treeview);
1739 n_cols = get_n_columns (treeview);
1741 /* Generate children-changed signals */
1742 for (row = 0; row <= n_rows; row++)
1744 /* Pass NULL as the child object, 4th argument */
1745 g_signal_emit_by_name (accessible, "children-changed::remove",
1746 (row * n_cols) + id, NULL, NULL);
1751 _gtk_tree_view_accessible_remove_column (GtkTreeView *treeview,
1752 GtkTreeViewColumn *column,
1757 if (!gtk_tree_view_column_get_visible (column))
1760 obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
1764 _gtk_tree_view_accessible_do_remove_column (GTK_TREE_VIEW_ACCESSIBLE (obj),
1767 to_visible_column_id (treeview, id));
1771 _gtk_tree_view_accessible_reorder_column (GtkTreeView *treeview,
1772 GtkTreeViewColumn *column)
1776 obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
1780 g_signal_emit_by_name (obj, "column-reordered");
1784 _gtk_tree_view_accessible_toggle_visibility (GtkTreeView *treeview,
1785 GtkTreeViewColumn *column)
1790 obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
1794 if (gtk_tree_view_column_get_visible (column))
1796 id = get_column_number (treeview, column);
1798 _gtk_tree_view_accessible_do_add_column (GTK_TREE_VIEW_ACCESSIBLE (obj),
1807 for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
1809 GtkTreeViewColumn *cur = gtk_tree_view_get_column (treeview, i);
1811 if (gtk_tree_view_column_get_visible (cur))
1818 _gtk_tree_view_accessible_do_remove_column (GTK_TREE_VIEW_ACCESSIBLE (obj),
1825 static GtkTreeViewColumn *
1826 get_effective_focus_column (GtkTreeView *treeview,
1827 GtkTreeViewColumn *column)
1830 column = get_visible_column (treeview, 0);
1836 _gtk_tree_view_accessible_update_focus_column (GtkTreeView *treeview,
1837 GtkTreeViewColumn *old_focus,
1838 GtkTreeViewColumn *new_focus)
1840 GtkTreeViewAccessible *accessible;
1842 GtkRBTree *cursor_tree;
1843 GtkRBNode *cursor_node;
1844 GtkCellAccessible *cell;
1846 old_focus = get_effective_focus_column (treeview, old_focus);
1847 new_focus = get_effective_focus_column (treeview, new_focus);
1848 if (old_focus == new_focus)
1851 obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
1855 accessible = GTK_TREE_VIEW_ACCESSIBLE (obj);
1857 if (!_gtk_tree_view_get_cursor_node (treeview, &cursor_tree, &cursor_node))
1862 cell = peek_cell (accessible, cursor_tree, cursor_node, old_focus);
1864 _gtk_cell_accessible_state_changed (cell, GTK_CELL_RENDERER_FOCUSED, 0);
1869 cell = peek_cell (accessible, cursor_tree, cursor_node, new_focus);
1871 _gtk_cell_accessible_state_changed (cell, 0, GTK_CELL_RENDERER_FOCUSED);
1873 cell = create_cell (treeview, accessible, cursor_tree, cursor_node, new_focus);
1875 g_signal_emit_by_name (accessible, "active-descendant-changed", cell);
1880 _gtk_tree_view_accessible_add_state (GtkTreeView *treeview,
1883 GtkCellRendererState state)
1885 GtkTreeViewAccessible *accessible;
1889 obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
1893 accessible = GTK_TREE_VIEW_ACCESSIBLE (obj);
1895 if (state == GTK_CELL_RENDERER_FOCUSED)
1897 GtkTreeViewColumn *focus_column;
1899 focus_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview));
1903 GtkCellAccessible *cell;
1905 cell = peek_cell (accessible, tree, node, focus_column);
1907 _gtk_cell_accessible_state_changed (cell, 0, state);
1909 cell = create_cell (treeview, accessible, tree, node, focus_column);
1911 g_signal_emit_by_name (accessible, "active-descendant-changed", cell);
1917 for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
1919 GtkCellAccessible *cell = peek_cell (accessible,
1921 gtk_tree_view_get_column (treeview, i));
1926 _gtk_cell_accessible_state_changed (cell, state, 0);
1929 if (state == GTK_CELL_RENDERER_SELECTED)
1930 g_signal_emit_by_name (accessible, "selection-changed");
1934 _gtk_tree_view_accessible_remove_state (GtkTreeView *treeview,
1937 GtkCellRendererState state)
1939 GtkTreeViewAccessible *accessible;
1943 obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
1947 accessible = GTK_TREE_VIEW_ACCESSIBLE (obj);
1949 if (state == GTK_CELL_RENDERER_FOCUSED)
1951 GtkTreeViewColumn *focus_column;
1953 focus_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview));
1957 GtkCellAccessible *cell = peek_cell (accessible,
1962 _gtk_cell_accessible_state_changed (cell, 0, state);
1968 for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
1970 GtkCellAccessible *cell = peek_cell (accessible,
1972 gtk_tree_view_get_column (treeview, i));
1977 _gtk_cell_accessible_state_changed (cell, 0, state);
1980 if (state == GTK_CELL_RENDERER_SELECTED)
1981 g_signal_emit_by_name (accessible, "selection-changed");