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Add API to create menus from models

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This is needed to bring context menus, etc into the GAction world.
This commit is contained in:
Matthias Clasen 2012-01-24 22:25:35 -05:00
parent e7d6400149
commit 4240bfb74a
9 changed files with 162 additions and 25 deletions
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2
docs/reference/gtk/gtk3-sections.txt
View File

@ -2059,6 +2059,7 @@ gtk_link_button_get_type
<TITLE>GtkMenu</TITLE>
GtkMenu
gtk_menu_new
gtk_menu_new_from_model
gtk_menu_set_screen
gtk_menu_reorder_child
gtk_menu_attach
@ -2103,6 +2104,7 @@ gtk_menu_get_type
<TITLE>GtkMenuBar</TITLE>
GtkMenuBar
gtk_menu_bar_new
gtk_menu_bar_new_from_model
GtkPackDirection
gtk_menu_bar_set_pack_direction
gtk_menu_bar_get_pack_direction

2
gtk/gtk.symbols
View File

@ -1533,6 +1533,7 @@ gtk_menu_bar_get_child_pack_direction
gtk_menu_bar_get_pack_direction
gtk_menu_bar_get_type
gtk_menu_bar_new
gtk_menu_bar_new_from_model
gtk_menu_bar_set_child_pack_direction
gtk_menu_bar_set_pack_direction
gtk_menu_detach
@ -1569,6 +1570,7 @@ gtk_menu_item_set_use_underline
gtk_menu_item_toggle_size_allocate
gtk_menu_item_toggle_size_request
gtk_menu_new
gtk_menu_new_from_model
gtk_menu_popdown
gtk_menu_popup
gtk_menu_popup_for_device

7
gtk/gtkapplicationprivate.h
View File

@ -38,6 +38,13 @@ G_GNUC_INTERNAL
GSimpleActionObserver * gtk_application_window_create_observer (GtkApplicationWindow *window,
const gchar *action_name,
GVariant *target);
G_GNUC_INTERNAL
GActionObservable * gtk_application_window_get_observable (GtkApplicationWindow *window);
G_GNUC_INTERNAL
GtkAccelGroup * gtk_application_window_get_accel_group (GtkApplicationWindow *window);
G_GNUC_INTERNAL
const gchar * gtk_application_get_dbus_object_path (GtkApplication *application);
G_GNUC_INTERNAL

12
gtk/gtkapplicationwindow.c
View File

@ -1012,3 +1012,15 @@ gtk_application_window_create_observer (GtkApplicationWindow *window,
return g_simple_action_observer_new (window->priv->muxer, action_name, target);
}
GActionObservable *
gtk_application_window_get_observable (GtkApplicationWindow *window)
{
return G_ACTION_OBSERVABLE (window->priv->muxer);
}
GtkAccelGroup *
gtk_application_window_get_accel_group (GtkApplicationWindow *window)
{
return window->priv->accels;
}

1
gtk/gtkmenu.h
View File

@ -117,6 +117,7 @@ struct _GtkMenuClass
GType gtk_menu_get_type (void) G_GNUC_CONST;
GtkWidget* gtk_menu_new (void);
GtkWidget* gtk_menu_new_from_model (GMenuModel *model);
/* Display the menu onscreen */
void gtk_menu_popup (GtkMenu *menu,

1
gtk/gtkmenubar.h
View File

@ -71,6 +71,7 @@ struct _GtkMenuBarClass
GType gtk_menu_bar_get_type (void) G_GNUC_CONST;
GtkWidget* gtk_menu_bar_new (void);
GtkWidget* gtk_menu_bar_new_from_model (GMenuModel *model);
GtkPackDirection gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar);
void gtk_menu_bar_set_pack_direction (GtkMenuBar *menubar,

135
gtk/gtkmodelmenu.c
View File

@ -29,6 +29,7 @@
#include "gtkmenubar.h"
#include "gtkseparatormenuitem.h"
#include "gtkmodelmenuitem.h"
#include "gtkapplicationprivate.h"
typedef struct {
GActionObservable *actions;
@ -65,7 +66,8 @@ gtk_model_menu_binding_free (gpointer data)
binding->connected = g_slist_delete_link (binding->connected, binding->connected);
}
g_object_unref (binding->actions);
if (binding->actions)
g_object_unref (binding->actions);
g_object_unref (binding->model);
g_slice_free (GtkModelMenuBinding, binding);
@ -224,25 +226,38 @@ gtk_model_menu_binding_items_changed (GMenuModel *model,
}
}
void
static void
gtk_model_menu_bind (GtkMenuShell *shell,
GMenuModel *model,
GActionObservable *actions,
GtkAccelGroup *accels,
gboolean with_separators)
{
GtkModelMenuBinding *binding;
binding = g_slice_new (GtkModelMenuBinding);
binding->model = g_object_ref (model);
binding->actions = g_object_ref (actions);
binding->accels = accels;
binding->actions = NULL;
binding->accels = NULL;
binding->shell = shell;
binding->update_idle = 0;
binding->connected = NULL;
binding->with_separators = with_separators;
g_object_set_data_full (G_OBJECT (shell), "gtk-model-menu-binding", binding, gtk_model_menu_binding_free);
}
static void
gtk_model_menu_populate (GtkMenuShell *shell,
GActionObservable *actions,
GtkAccelGroup *accels)
{
GtkModelMenuBinding *binding;
binding = (GtkModelMenuBinding*) g_object_get_data (G_OBJECT (shell), "gtk-model-menu-binding");
binding->actions = g_object_ref (actions);
binding->accels = accels;
gtk_model_menu_binding_populate (binding);
}
@ -254,8 +269,59 @@ gtk_model_menu_create_menu (GMenuModel *model,
GtkWidget *menu;
menu = gtk_menu_new ();
gtk_menu_set_accel_group (GTK_MENU (menu), accels);
gtk_model_menu_bind (GTK_MENU_SHELL (menu), model, actions, accels, TRUE);
gtk_model_menu_bind (GTK_MENU_SHELL (menu), model, FALSE);
gtk_model_menu_populate (GTK_MENU_SHELL (menu), actions, accels);
return menu;
}
static void
notify_attach (GtkMenu *menu,
GParamSpec *pspec,
gpointer data)
{
GtkWidget *widget;
GtkWidget *toplevel;
GActionObservable *actions;
GtkAccelGroup *accels;
widget = gtk_menu_get_attach_widget (menu);
toplevel = gtk_widget_get_toplevel (widget);
if (GTK_IS_APPLICATION_WINDOW (toplevel))
{
actions = gtk_application_window_get_observable (GTK_APPLICATION_WINDOW (toplevel));
accels = gtk_application_window_get_accel_group (GTK_APPLICATION_WINDOW (toplevel));
gtk_model_menu_populate (GTK_MENU_SHELL (menu), actions, accels);
}
}
/**
* gtk_menu_new_from_model:
* @model: a #GMenuModel
*
* Creates a #GtkMenu and populates it with menu items and
* submenus according to @model.
*
* The created menu items are connected to actions found in the
* #GtkApplicationWindow to which the menu belongs - typically
* by means of being attached to a widget (see gtk_menu_attach_to_widget())
* that is contained within the #GtkApplicationWindows widget hierarchy.
*
* Returns: a new #GtkMenu
*
* Since: 3.4
*/
GtkWidget *
gtk_menu_new_from_model (GMenuModel *model)
{
GtkWidget *menu;
menu = gtk_menu_new ();
gtk_model_menu_bind (GTK_MENU_SHELL (menu), model, TRUE);
g_signal_connect (menu, "notify::attach-widget",
G_CALLBACK (notify_attach), NULL);
return menu;
}
@ -268,8 +334,59 @@ gtk_model_menu_create_menu_bar (GMenuModel *model,
GtkWidget *menubar;
menubar = gtk_menu_bar_new ();
gtk_model_menu_bind (GTK_MENU_SHELL (menubar), model, actions, accels, FALSE);
gtk_model_menu_bind (GTK_MENU_SHELL (menubar), model, FALSE);
gtk_model_menu_populate (GTK_MENU_SHELL (menubar), actions, accels);
return menubar;
}
static void
hierarchy_changed (GtkMenuShell *shell,
GObject *previous_toplevel,
gpointer data)
{
GtkWidget *toplevel;
GActionObservable *actions;
GtkAccelGroup *accels;
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (shell));
if (GTK_IS_APPLICATION_WINDOW (toplevel))
{
actions = gtk_application_window_get_observable (GTK_APPLICATION_WINDOW (toplevel));
accels = gtk_application_window_get_accel_group (GTK_APPLICATION_WINDOW (toplevel));
gtk_model_menu_populate (shell, actions, accels);
}
}
/**
* gtk_menu_bar_new_from_model:
* @model: a #GMenuModel
*
* Creates a new #GtkMenuBar and populates it with menu items
* and submenus according to @model.
*
* The created menu items are connected to actions found in the
* #GtkApplicationWindow to which the menu bar belongs - typically
* by means of being contained within the #GtkApplicationWindows
* widget hierarchy.
*
* Returns: a new #GtkMenuBar
*
* Since: 3.4
*/
GtkWidget *
gtk_menu_bar_new_from_model (GMenuModel *model)
{
GtkWidget *menubar;
menubar = gtk_menu_bar_new ();
gtk_model_menu_bind (GTK_MENU_SHELL (menubar), model, FALSE);
g_signal_connect (menubar, "hierarchy-changed",
G_CALLBACK (hierarchy_changed), NULL);
return menubar;
}

9
gtk/gtkmodelmenu.h
View File

@ -27,19 +27,10 @@
#include <gtk/gtkaccelgroup.h>
#include <gio/gio.h>
G_GNUC_INTERNAL
void gtk_model_menu_bind (GtkMenuShell *shell,
GMenuModel *model,
GActionObservable *actions,
GtkAccelGroup *accels,
gboolean with_separators);
G_GNUC_INTERNAL
GtkWidget * gtk_model_menu_create_menu_bar (GMenuModel *model,
GActionObservable *actions,
GtkAccelGroup *accels);
G_GNUC_INTERNAL
GtkWidget * gtk_model_menu_create_menu (GMenuModel *model,
GActionObservable *actions,
GtkAccelGroup *accels);

18
gtk/gtkmodelmenuitem.c
View File

@ -235,15 +235,19 @@ gtk_model_menu_item_setup (GtkModelMenuItem *item,
/* observer already causes us to hold a hard ref on the group */
item->actions = G_ACTION_GROUP (actions);
g_action_observable_register_observer (actions, item->action_name, G_ACTION_OBSERVER (item));
if (g_action_group_query_action (G_ACTION_GROUP (actions), item->action_name, &enabled, &type, NULL, NULL, &state))
if (actions)
{
gtk_model_menu_item_action_added (G_ACTION_OBSERVER (item), actions, item->action_name, type, enabled, state);
if (state != NULL)
g_variant_unref (state);
}
g_action_observable_register_observer (actions, item->action_name, G_ACTION_OBSERVER (item));
if (g_action_group_query_action (G_ACTION_GROUP (actions), item->action_name, &enabled, &type, NULL, NULL, &state))
{
gtk_model_menu_item_action_added (G_ACTION_OBSERVER (item), actions, item->action_name, type, enabled, state);
if (state != NULL)
g_variant_unref (state);
}
else
gtk_widget_set_sensitive (GTK_WIDGET (item), FALSE);
}
else
gtk_widget_set_sensitive (GTK_WIDGET (item), FALSE);