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Fixed inserting and deleting rows for submenus of GtkTreeMenu

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This commit is contained in:
Tristan Van Berkom 2010-11-24 21:40:33 +09:00
parent 4a5be7c74e
commit caf1d57fd3
1 changed files with 61 additions and 19 deletions
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80
gtk/gtktreemenu.c
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@ -633,7 +633,7 @@ gtk_tree_menu_get_path_item (GtkTreeMenu *menu,
item = child;
}
}
else
else if (!GTK_IS_TEAROFF_MENU_ITEM (child))
{
GtkWidget *view = gtk_bin_get_child (GTK_BIN (child));
@ -676,10 +676,7 @@ gtk_tree_menu_path_in_menu (GtkTreeMenu *menu,
if (gtk_tree_path_get_depth (path) == 1)
{
if (!priv->root)
{
g_print ("gtk_tree_menu_path_in_menu: Found in root menu !\n");
in_menu = TRUE;
}
in_menu = TRUE;
}
/* If we are a submenu, compare the parent path */
else if (priv->root && gtk_tree_path_get_depth (path) > 1)
@ -689,18 +686,17 @@ gtk_tree_menu_path_in_menu (GtkTreeMenu *menu,
gtk_tree_path_up (parent_path);
if (gtk_tree_path_compare (root_path, parent_path) == 0)
if (root_path)
{
in_menu = TRUE;
g_print ("gtk_tree_menu_path_in_menu: Found in this menu !\n");
}
if (!in_menu && priv->menu_with_header &&
gtk_tree_path_compare (root_path, path) == 0)
{
g_print ("gtk_tree_menu_path_in_menu: Found as menu header !\n");
in_menu = TRUE;
is_header = TRUE;
if (gtk_tree_path_compare (root_path, parent_path) == 0)
in_menu = TRUE;
if (!in_menu && priv->menu_with_header &&
gtk_tree_path_compare (root_path, path) == 0)
{
in_menu = TRUE;
is_header = TRUE;
}
}
gtk_tree_path_free (root_path);
gtk_tree_path_free (parent_path);
@ -760,6 +756,47 @@ gtk_tree_menu_path_needs_submenu (GtkTreeMenu *menu,
return item;
}
static GtkWidget *
find_empty_submenu (GtkTreeMenu *menu)
{
GtkTreeMenuPrivate *priv = menu->priv;
GList *children, *l;
GtkWidget *submenu = NULL;
children = gtk_container_get_children (GTK_CONTAINER (menu));
for (l = children; submenu == NULL && l != NULL; l = l->next)
{
GtkWidget *child = l->data;
GtkTreePath *path = NULL;
GtkTreeIter iter;
/* Separators dont get submenus, if it already has a submenu then let
* the submenu handle inserted rows */
if (!GTK_IS_SEPARATOR_MENU_ITEM (child) && !GTK_IS_TEAROFF_MENU_ITEM (child))
{
GtkWidget *view = gtk_bin_get_child (GTK_BIN (child));
/* It's always a cellview */
if (GTK_IS_CELL_VIEW (view))
path = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (view));
}
if (path)
{
if (gtk_tree_model_get_iter (priv->model, &iter, path) &&
!gtk_tree_model_iter_has_child (priv->model, &iter))
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (child));
gtk_tree_path_free (path);
}
}
g_list_free (children);
return submenu;
}
static void
row_inserted_cb (GtkTreeModel *model,
GtkTreePath *path,
@ -773,7 +810,6 @@ row_inserted_cb (GtkTreeModel *model,
/* If the iter should be in this menu then go ahead and insert it */
if (gtk_tree_menu_path_in_menu (menu, path, NULL))
{
if (priv->wrap_width > 0)
rebuild_menu (menu);
else
@ -829,8 +865,6 @@ row_deleted_cb (GtkTreeModel *model,
*/
item = gtk_tree_menu_get_path_item (menu, path);
g_print ("Deleting item %p\n", item);
if (item)
{
if (priv->wrap_width > 0)
@ -844,6 +878,14 @@ row_deleted_cb (GtkTreeModel *model,
gtk_cell_area_context_flush (menu->priv->context);
}
}
else
{
/* It's up to the parent menu to destroy a child menu that becomes empty
* since the topmost menu belongs to the user and is allowed to have no contents */
GtkWidget *submenu = find_empty_submenu (menu);
if (submenu)
gtk_widget_destroy (submenu);
}
}
static void