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treeview: Set expandable flag from treeview

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... instead of trying to update it manually.
This commit is contained in:
Benjamin Otte 2011-12-12 15:30:47 +01:00
parent 9e9533fc88
commit 82a9f6faa0
2 changed files with 8 additions and 146 deletions
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144
gtk/a11y/gtktreeviewaccessible.c
View File

@ -75,12 +75,6 @@ static gboolean update_cell_value (GtkRendererCellAccessib
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,
@ -529,12 +523,6 @@ gtk_tree_view_accessible_ref_child (AtkObject *obj,
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);
@ -1719,12 +1707,9 @@ model_row_inserted (GtkTreeModel *tree_model,
{
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);
@ -1779,43 +1764,6 @@ model_row_inserted (GtkTreeModel *tree_model,
}
}
}
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
@ -2176,88 +2124,6 @@ iterate_thru_children (GtkTreeView *tree_view,
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)
{
@ -2361,9 +2227,6 @@ connect_model_signals (GtkTreeView *view,
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
@ -2376,7 +2239,6 @@ disconnect_model_signals (GtkTreeViewAccessible *accessible)
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
@ -2532,12 +2394,6 @@ get_rbtree_column_from_index (GtkTreeView *tree_view,
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)

10
gtk/gtktreeview.c
View File

@ -8930,9 +8930,15 @@ gtk_tree_view_row_has_child_toggled (GtkTreeModel *model,
goto done;
if (has_child)
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PARENT);
{
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PARENT);
_gtk_tree_view_accessible_add_state (tree_view, tree, node, GTK_CELL_RENDERER_EXPANDABLE);
}
else
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_PARENT);
{
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_PARENT);
_gtk_tree_view_accessible_remove_state (tree_view, tree, node, GTK_CELL_RENDERER_EXPANDABLE);
}
if (has_child && tree_view->priv->is_list)
{