mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-17 23:10:22 +00:00
Make GtkTreeMenu update menu item sensitivity when "apply-attributes" signal is fired for a row in the menu.
This commit is contained in:
Tristan Van Berkom
parent
84a726c3ce
commit
d48690c32c
@ -82,6 +82,9 @@ static void gtk_tree_menu_set_area (GtkTreeMenu
|
||||
GtkCellArea *area);
|
||||
static GtkWidget *gtk_tree_menu_get_path_item (GtkTreeMenu *menu,
|
||||
GtkTreePath *path);
|
||||
static gboolean gtk_tree_menu_path_in_menu (GtkTreeMenu *menu,
|
||||
GtkTreePath *path,
|
||||
gboolean *header_item);
|
||||
static void row_inserted_cb (GtkTreeModel *model,
|
||||
GtkTreePath *path,
|
||||
GtkTreeIter *iter,
|
||||
@ -98,10 +101,15 @@ static void row_changed_cb (GtkTreeModel
|
||||
GtkTreePath *path,
|
||||
GtkTreeIter *iter,
|
||||
GtkTreeMenu *menu);
|
||||
|
||||
static void context_size_changed_cb (GtkCellAreaContext *context,
|
||||
GParamSpec *pspec,
|
||||
GtkWidget *menu);
|
||||
static void area_apply_attributes_cb (GtkCellArea *area,
|
||||
GtkTreeModel *tree_model,
|
||||
GtkTreeIter *iter,
|
||||
gboolean is_expander,
|
||||
gboolean is_expanded,
|
||||
GtkTreeMenu *menu);
|
||||
static void item_activated_cb (GtkMenuItem *item,
|
||||
GtkTreeMenu *menu);
|
||||
static void submenu_activated_cb (GtkTreeMenu *submenu,
|
||||
@ -122,6 +130,7 @@ struct _GtkTreeMenuPrivate
|
||||
|
||||
/* Signals */
|
||||
gulong size_changed_id;
|
||||
gulong apply_attributes_id;
|
||||
gulong row_inserted_id;
|
||||
gulong row_deleted_id;
|
||||
gulong row_reordered_id;
|
||||
@ -223,8 +232,8 @@ gtk_tree_menu_class_init (GtkTreeMenuClass *class)
|
||||
object_class->set_property = gtk_tree_menu_set_property;
|
||||
object_class->get_property = gtk_tree_menu_get_property;
|
||||
|
||||
widget_class->get_preferred_width = gtk_tree_menu_get_preferred_width;
|
||||
widget_class->get_preferred_height = gtk_tree_menu_get_preferred_height;
|
||||
widget_class->get_preferred_width = gtk_tree_menu_get_preferred_width;
|
||||
widget_class->get_preferred_height = gtk_tree_menu_get_preferred_height;
|
||||
|
||||
tree_menu_signals[SIGNAL_MENU_ACTIVATE] =
|
||||
g_signal_new (I_("menu-activate"),
|
||||
@ -359,11 +368,11 @@ gtk_tree_menu_constructor (GType type,
|
||||
}
|
||||
|
||||
priv->context = gtk_cell_area_create_context (priv->area);
|
||||
|
||||
priv->size_changed_id =
|
||||
g_signal_connect (priv->context, "notify",
|
||||
G_CALLBACK (context_size_changed_cb), menu);
|
||||
|
||||
|
||||
return object;
|
||||
}
|
||||
|
||||
@ -633,6 +642,49 @@ gtk_tree_menu_get_path_item (GtkTreeMenu *menu,
|
||||
return item;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_tree_menu_path_in_menu (GtkTreeMenu *menu,
|
||||
GtkTreePath *path,
|
||||
gboolean *header_item)
|
||||
{
|
||||
GtkTreeMenuPrivate *priv = menu->priv;
|
||||
GtkTreePath *parent_path = gtk_tree_path_copy (path);
|
||||
gboolean in_menu = FALSE;
|
||||
gboolean is_header = FALSE;
|
||||
|
||||
/* Check if the is in root of the model */
|
||||
if (gtk_tree_path_get_depth (parent_path) == 1)
|
||||
{
|
||||
if (!priv->root)
|
||||
in_menu = TRUE;
|
||||
}
|
||||
/* If we are a submenu, compare the parent path */
|
||||
else if (priv->root && gtk_tree_path_up (parent_path))
|
||||
{
|
||||
GtkTreePath *root_path =
|
||||
gtk_tree_row_reference_get_path (priv->root);
|
||||
|
||||
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);
|
||||
|
||||
if (header_item)
|
||||
*header_item = is_header;
|
||||
|
||||
return in_menu;
|
||||
}
|
||||
|
||||
static void
|
||||
row_inserted_cb (GtkTreeModel *model,
|
||||
GtkTreePath *path,
|
||||
@ -640,34 +692,10 @@ row_inserted_cb (GtkTreeModel *model,
|
||||
GtkTreeMenu *menu)
|
||||
{
|
||||
GtkTreeMenuPrivate *priv = menu->priv;
|
||||
GtkTreePath *parent_path;
|
||||
gboolean this_menu = FALSE;
|
||||
gint *indices, index, depth;
|
||||
|
||||
parent_path = gtk_tree_path_copy (path);
|
||||
|
||||
/* Check if the menu and the added iter are in root of the model */
|
||||
if (gtk_tree_path_get_depth (parent_path) <= 1)
|
||||
{
|
||||
if (!priv->root)
|
||||
this_menu = TRUE;
|
||||
}
|
||||
/* If we are a submenu, compare the path */
|
||||
else if (priv->root)
|
||||
{
|
||||
GtkTreePath *root_path =
|
||||
gtk_tree_row_reference_get_path (priv->root);
|
||||
|
||||
if (gtk_tree_path_compare (root_path, parent_path) == 0)
|
||||
this_menu = TRUE;
|
||||
|
||||
gtk_tree_path_free (root_path);
|
||||
}
|
||||
|
||||
gtk_tree_path_free (parent_path);
|
||||
|
||||
/* If the iter should be in this menu then go ahead and insert it */
|
||||
if (this_menu)
|
||||
if (gtk_tree_menu_path_in_menu (menu, path, NULL))
|
||||
{
|
||||
GtkWidget *item;
|
||||
|
||||
@ -706,34 +734,30 @@ row_deleted_cb (GtkTreeModel *model,
|
||||
GtkTreeMenu *menu)
|
||||
{
|
||||
GtkTreeMenuPrivate *priv = menu->priv;
|
||||
GtkTreePath *root_path;
|
||||
GtkWidget *item;
|
||||
gboolean header_item;
|
||||
gboolean in_menu;
|
||||
|
||||
/* If it's the root node we leave it to the parent menu to remove us
|
||||
* from its menu */
|
||||
if (priv->root)
|
||||
in_menu = gtk_tree_menu_path_in_menu (menu, path, &header_item);
|
||||
|
||||
/* If it's the header item we leave it to the parent menu
|
||||
* to remove us from its menu
|
||||
*/
|
||||
if (!header_item && in_menu)
|
||||
{
|
||||
root_path = gtk_tree_row_reference_get_path (priv->root);
|
||||
|
||||
if (gtk_tree_path_compare (root_path, path) == 0)
|
||||
item = gtk_tree_menu_get_path_item (menu, path);
|
||||
if (item)
|
||||
{
|
||||
gtk_tree_path_free (root_path);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
item = gtk_tree_menu_get_path_item (menu, path);
|
||||
if (item)
|
||||
{
|
||||
if (priv->wrap_width > 0)
|
||||
rebuild_menu (menu);
|
||||
else
|
||||
{
|
||||
/* Get rid of the deleted item */
|
||||
gtk_widget_destroy (item);
|
||||
|
||||
/* Resize everything */
|
||||
gtk_cell_area_context_flush (menu->priv->context);
|
||||
if (priv->wrap_width > 0)
|
||||
rebuild_menu (menu);
|
||||
else
|
||||
{
|
||||
/* Get rid of the deleted item */
|
||||
gtk_widget_destroy (item);
|
||||
|
||||
/* Resize everything */
|
||||
gtk_cell_area_context_flush (menu->priv->context);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -748,7 +772,7 @@ row_reordered_cb (GtkTreeModel *model,
|
||||
GtkTreeMenuPrivate *priv = menu->priv;
|
||||
gboolean this_menu = FALSE;
|
||||
|
||||
if (iter == NULL && priv->root == NULL)
|
||||
if (path == NULL && priv->root == NULL)
|
||||
this_menu = TRUE;
|
||||
else if (priv->root)
|
||||
{
|
||||
@ -823,7 +847,7 @@ row_changed_cb (GtkTreeModel *model,
|
||||
}
|
||||
else if (!has_header && item)
|
||||
{
|
||||
/* Destroy the header item and the following separator */
|
||||
/* Destroy the header item and then the following separator */
|
||||
gtk_widget_destroy (item);
|
||||
gtk_widget_destroy (GTK_MENU_SHELL (menu)->children->data);
|
||||
|
||||
@ -873,6 +897,75 @@ context_size_changed_cb (GtkCellAreaContext *context,
|
||||
gtk_widget_queue_resize (menu);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
area_is_sensitive (GtkCellArea *area)
|
||||
{
|
||||
GList *cells, *list;
|
||||
gboolean sensitive = FALSE;
|
||||
|
||||
cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (area));
|
||||
|
||||
for (list = cells; list; list = list->next)
|
||||
{
|
||||
g_object_get (list->data, "sensitive", &sensitive, NULL);
|
||||
|
||||
if (sensitive)
|
||||
break;
|
||||
}
|
||||
g_list_free (cells);
|
||||
|
||||
return sensitive;
|
||||
}
|
||||
|
||||
static void
|
||||
area_apply_attributes_cb (GtkCellArea *area,
|
||||
GtkTreeModel *tree_model,
|
||||
GtkTreeIter *iter,
|
||||
gboolean is_expander,
|
||||
gboolean is_expanded,
|
||||
GtkTreeMenu *menu)
|
||||
{
|
||||
/* If the menu for this iter has a submenu */
|
||||
GtkTreeMenuPrivate *priv = menu->priv;
|
||||
GtkTreePath *path;
|
||||
GtkWidget *item;
|
||||
gboolean is_header;
|
||||
gboolean sensitive;
|
||||
|
||||
path = gtk_tree_model_get_path (tree_model, iter);
|
||||
|
||||
if (gtk_tree_menu_path_in_menu (menu, path, &is_header))
|
||||
{
|
||||
item = gtk_tree_menu_get_path_item (menu, path);
|
||||
|
||||
/* If there is no submenu, go ahead and update item sensitivity,
|
||||
* items with submenus are always sensitive */
|
||||
if (!gtk_menu_item_get_submenu (GTK_MENU_ITEM (item)))
|
||||
{
|
||||
sensitive = area_is_sensitive (priv->area);
|
||||
|
||||
gtk_widget_set_sensitive (item, sensitive);
|
||||
|
||||
if (is_header)
|
||||
{
|
||||
/* For header items we need to set the sensitivity
|
||||
* of the following separator item
|
||||
*/
|
||||
if (GTK_MENU_SHELL (menu)->children &&
|
||||
GTK_MENU_SHELL (menu)->children->next)
|
||||
{
|
||||
GtkWidget *separator =
|
||||
GTK_MENU_SHELL (menu)->children->next->data;
|
||||
|
||||
gtk_widget_set_sensitive (separator, sensitive);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
gtk_tree_path_free (path);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_menu_set_area (GtkTreeMenu *menu,
|
||||
GtkCellArea *area)
|
||||
@ -880,12 +973,24 @@ gtk_tree_menu_set_area (GtkTreeMenu *menu,
|
||||
GtkTreeMenuPrivate *priv = menu->priv;
|
||||
|
||||
if (priv->area)
|
||||
g_object_unref (priv->area);
|
||||
{
|
||||
g_signal_handler_disconnect (priv->area,
|
||||
priv->apply_attributes_id);
|
||||
priv->apply_attributes_id = 0;
|
||||
|
||||
g_object_unref (priv->area);
|
||||
}
|
||||
|
||||
priv->area = area;
|
||||
|
||||
if (priv->area)
|
||||
g_object_ref_sink (priv->area);
|
||||
{
|
||||
g_object_ref_sink (priv->area);
|
||||
|
||||
priv->apply_attributes_id =
|
||||
g_signal_connect (priv->area, "apply-attributes",
|
||||
G_CALLBACK (area_apply_attributes_cb), menu);
|
||||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
||||
Loading…
Reference in New Issue
Block a user