gboolean emit_change_signal);
static gboolean is_cell_showing (GtkTreeView *tree_view,
GdkRectangle *cell_rect);
-static void set_expand_state (GtkTreeView *tree_view,
- GtkTreeModel *tree_model,
- GtkTreeViewAccessible *accessible,
- GtkTreePath *tree_path,
- gboolean set_on_ancestor);
-static void set_cell_expandable (GtkCellAccessible *cell);
static void cell_destroyed (gpointer data);
static void cell_info_new (GtkTreeViewAccessible *accessible,
update_cell_value (renderer_cell, accessible, FALSE);
- /* Set state if it is expandable */
- if (is_expander)
- {
- set_cell_expandable (cell);
- }
-
/* If the row is selected, all cells on the row are selected */
selection = gtk_tree_view_get_selection (tree_view);
{
GtkTreeView *tree_view = (GtkTreeView *)user_data;
AtkObject *atk_obj;
- GtkTreeViewAccessible *accessible;
- GtkTreePath *path_copy;
gint row, n_inserted, child_row;
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
- accessible = GTK_TREE_VIEW_ACCESSIBLE (atk_obj);
/* Check to see if row is visible */
row = get_row_from_tree_path (tree_view, path);
}
}
}
- else
- {
- /* The row has been inserted inside another row. This can
- * cause a row that previously couldn't be expanded to now
- * be expandable.
- */
- path_copy = gtk_tree_path_copy (path);
- gtk_tree_path_up (path_copy);
- set_expand_state (tree_view, tree_model, accessible, path_copy, TRUE);
- gtk_tree_path_free (path_copy);
- }
-}
-
-static void
-model_row_deleted (GtkTreeModel *tree_model,
- GtkTreePath *path,
- gpointer user_data)
-{
- GtkTreeView *tree_view = (GtkTreeView *)user_data;
- GtkTreePath *path_copy;
- AtkObject *atk_obj;
- GtkTreeViewAccessible *accessible;
-
- atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
- accessible = GTK_TREE_VIEW_ACCESSIBLE (atk_obj);
-
- /* If deleting a row with a depth > 1, then this may affect the
- * expansion/contraction of its parent(s). Make sure this is
- * handled.
- */
- if (gtk_tree_path_get_depth (path) > 1)
- {
- path_copy = gtk_tree_path_copy (path);
- gtk_tree_path_up (path_copy);
- set_expand_state (tree_view, tree_model, accessible, path_copy, TRUE);
- gtk_tree_path_free (path_copy);
- }
}
void
return;
}
-/* If the tree_path passed in has children, then
- * ATK_STATE_EXPANDABLE is set.
- *
- * If the tree_path passed in has no children, then
- * ATK_STATE_EXPANDABLE is removed.
- *
- * If set_on_ancestor is TRUE, then this function will also
- * update all cells that are ancestors of the tree_path.
- */
-static void
-set_expand_state (GtkTreeView *tree_view,
- GtkTreeModel *tree_model,
- GtkTreeViewAccessible *accessible,
- GtkTreePath *tree_path,
- gboolean set_on_ancestor)
-{
- GtkTreeViewColumn *expander_tv;
- GtkTreeViewAccessibleCellInfo *cell_info;
- GtkTreePath *cell_path;
- GtkTreeIter iter;
- gboolean found;
- GHashTableIter hash_iter;
-
- g_hash_table_iter_init (&hash_iter, accessible->cell_infos);
- while (g_hash_table_iter_next (&hash_iter, NULL, (gpointer *) &cell_info))
- {
- cell_path = cell_info_get_path (cell_info);
- found = FALSE;
-
- if (cell_path != NULL)
- {
- GtkCellAccessible *cell = GTK_CELL_ACCESSIBLE (cell_info->cell);
-
- expander_tv = gtk_tree_view_get_expander_column (tree_view);
-
- /* Only set state for the cell that is in the column with the
- * expander toggle
- */
- if (expander_tv == cell_info->cell_col_ref)
- {
- if (tree_path && gtk_tree_path_compare (cell_path, tree_path) == 0)
- found = TRUE;
- else if (set_on_ancestor &&
- gtk_tree_path_get_depth (cell_path) <
- gtk_tree_path_get_depth (tree_path) &&
- gtk_tree_path_is_ancestor (cell_path, tree_path) == 1)
- /* Only set if set_on_ancestor was passed in as TRUE */
- found = TRUE;
- }
-
- /* Set ATK_STATE_EXPANDABLE
- * for ancestors and found cells.
- */
- if (found)
- {
- /* Must check against cell_path since cell_path
- * can be equal to or an ancestor of tree_path.
- */
- gtk_tree_model_get_iter (tree_model, &iter, cell_path);
-
- /* Set or unset ATK_STATE_EXPANDABLE as appropriate */
- if (gtk_tree_model_iter_has_child (tree_model, &iter))
- {
- set_cell_expandable (cell);
- }
- else
- {
- _gtk_cell_accessible_remove_state (cell, ATK_STATE_EXPANDABLE, TRUE);
- }
-
- /* We assume that each cell in the cache once and
- * a container cell is before its child cells so we are
- * finished if set_on_ancestor is not set to TRUE.
- */
- if (!set_on_ancestor)
- break;
- }
- }
- gtk_tree_path_free (cell_path);
- }
-}
-
static void
cell_destroyed (gpointer data)
{
g_signal_connect_data (obj, "row-inserted",
G_CALLBACK (model_row_inserted), view, NULL,
G_CONNECT_AFTER);
- g_signal_connect_data (obj, "row-deleted",
- G_CALLBACK (model_row_deleted), view, NULL,
- G_CONNECT_AFTER);
}
static void
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
g_signal_handlers_disconnect_by_func (obj, model_row_changed, widget);
g_signal_handlers_disconnect_by_func (obj, model_row_inserted, widget);
- g_signal_handlers_disconnect_by_func (obj, model_row_deleted, widget);
}
/* Returns the column number of the specified GtkTreeViewColumn
return TRUE;
}
-static void
-set_cell_expandable (GtkCellAccessible *cell)
-{
- _gtk_cell_accessible_add_state (cell, ATK_STATE_EXPANDABLE, FALSE);
-}
-
static GtkTreeViewAccessibleCellInfo *
find_cell_info (GtkTreeViewAccessible *accessible,
GtkCellAccessible *cell)
projects / gtk4.git / commitdiff