[gtk+/application] GtkApplication rewrite



commit 5ae008606d34c4675b6e487006ebe696b1d375b3
Author: Ryan Lortie <desrt desrt ca>
Date:   Wed Aug 11 01:23:23 2010 -0400

    GtkApplication rewrite

 gtk/gtkapplication.c |  714 +++++++++++---------------------------------------
 gtk/gtkapplication.h |   67 ++----
 gtk/gtkwindow.c      |  100 +++++++
 gtk/gtkwindow.h      |    5 +
 4 files changed, 274 insertions(+), 612 deletions(-)
---
diff --git a/gtk/gtkapplication.c b/gtk/gtkapplication.c
index a0864bd..812d9c2 100644
--- a/gtk/gtkapplication.c
+++ b/gtk/gtkapplication.c
@@ -33,10 +33,8 @@
 #include <unistd.h>
 
 #include "gtkapplication.h"
+#include "gtkwindow.h"
 #include "gtkmain.h"
-#include "gtkmarshalers.h"
-#include "gtkintl.h"
-#include "gtkprivate.h"
 
 #include <gdk/gdk.h>
 #ifdef GDK_WINDOWING_X11
@@ -66,668 +64,250 @@
  * </programlisting>
  * </example>
  */
-enum
-{
-  PROP_0,
-
-  PROP_WINDOW
-};
 
 enum
 {
-  ACTIVATED,
-  QUIT,
-  ACTION,
-
-  LAST_SIGNAL
+  PROP_NONE,
+  PROP_ACTION_GROUP,
+  PROP_DEFAULT_WINDOW
 };
 
-static guint gtk_application_signals[LAST_SIGNAL] = { 0 };
-
 struct _GtkApplicationPrivate
 {
-  GtkActionGroup *main_actions;
-
+  GtkActionGroup *action_group;
   GtkWindow *default_window;
-  GSList *windows;
 };
 
 G_DEFINE_TYPE (GtkApplication, gtk_application, G_TYPE_APPLICATION)
 
 static void
-process_timestamp_from_platform_data (GVariant *platform_data)
-{
-  /* TODO - extract timestamp from here, update GDK time */
-}
-
-static gboolean
-gtk_application_default_quit (GtkApplication *application)
-{
-  gtk_main_quit ();
-  return TRUE;
-}
-
-static gboolean
-gtk_application_default_quit_with_data (GApplication *application,
-					GVariant     *platform_data)
-{
-  gboolean result;
-
-  process_timestamp_from_platform_data (platform_data);
-  
-  g_signal_emit (application, gtk_application_signals[QUIT], 0, &result);
-
-  return result;
-}
-
-static void
-gtk_application_default_run (GApplication *application)
+gtk_application_set_property (GObject *object, guint prop_id,
+                              const GValue *value, GParamSpec *pspec)
 {
-  gtk_main ();
-}
+  GtkApplication *application = GTK_APPLICATION (object);
 
-static void
-gtk_application_default_prepare_activation (GApplication *application,
-					    GVariant     *arguments,
-					    GVariant     *platform_data)
-{
-  GVariantIter iter;
-  const gchar *key;
-  GVariant *value;
-
-  g_variant_iter_init (&iter, platform_data);
-  while (g_variant_iter_next (&iter, "{&sv}", &key, &value))
+  switch (prop_id)
     {
-      if (strcmp (key, "startup-notification-id") == 0 &&
-          g_variant_is_of_type (value, G_VARIANT_TYPE_STRING))
-        gdk_notify_startup_complete_with_id (g_variant_get_string (value, NULL));
-      g_variant_unref (value);
+    case PROP_ACTION_GROUP:
+      gtk_application_set_action_group (application,
+                                        g_value_get_object (value));
+      break;
+
+    case PROP_DEFAULT_WINDOW:
+      gtk_application_set_default_window (application,
+                                          g_value_get_object (value));
+      break;
+
+    default:
+      g_assert_not_reached ();
     }
-  
-  g_signal_emit (G_OBJECT (application), gtk_application_signals[ACTIVATED], 0, arguments);
-}
-
-static void
-gtk_application_default_activated (GtkApplication *application,
-                                   GVariant       *arguments)
-{
-  GtkApplicationPrivate *priv = application->priv;
-
-  /* TODO: should we raise the last focused window instead ? */
-  if (priv->default_window != NULL)
-    gtk_window_present (priv->default_window);
 }
 
 static void
-gtk_application_default_action (GtkApplication *application,
-				const gchar    *action_name)
+gtk_application_get_property (GObject *object, guint prop_id,
+                              GValue *value, GParamSpec *pspec)
 {
-  GtkApplicationPrivate *priv = application->priv;
-  GtkAction *action;
+  GtkApplication *application = GTK_APPLICATION (object);
 
-  action = gtk_action_group_get_action (priv->main_actions, action_name);
-  if (action)
-    gtk_action_activate (action);
+  switch (prop_id)
+    {
+    case PROP_ACTION_GROUP:
+      g_value_set_object (value,
+                          gtk_application_get_action_group (application));
+      break;
+
+    case PROP_DEFAULT_WINDOW:
+      g_value_set_object (value,
+                          gtk_application_get_default_window (application));
+      break;
+
+    default:
+      g_assert_not_reached ();
+    }
 }
 
 static GtkWindow *
-gtk_application_default_create_window (GtkApplication *application)
+gtk_application_real_create_window (GtkApplication *application)
 {
   return GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
 }
 
 static void
-gtk_application_default_action_with_data (GApplication *application,
-					  const gchar  *action_name,
-					  GVariant     *platform_data)
-{
-  process_timestamp_from_platform_data (platform_data);
-
-  g_signal_emit (application, gtk_application_signals[ACTION], g_quark_from_string (action_name));
-}
-
-static GVariant *
-gtk_application_format_activation_data (void)
+gtk_application_activate (GApplication *gapplication)
 {
-  const gchar *startup_id = NULL;
-  GdkDisplay *display = gdk_display_get_default ();
-  GVariantBuilder builder;
+  GtkApplication *application = GTK_APPLICATION (gapplication);
 
-  g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
+  if (application->priv->default_window == NULL)
+    {
+      GtkWindow *window;
 
-  /* try and get the startup notification id from GDK, the environment
-   * or, if everything else failed, fake one.
-   */
-#ifdef GDK_WINDOWING_X11
-  startup_id = gdk_x11_display_get_startup_notification_id (display);
-#endif /* GDK_WINDOWING_X11 */
+      window = GTK_APPLICATION_GET_CLASS (application)
+        ->create_window (application);
 
-  if (startup_id)
-    g_variant_builder_add (&builder, "{sv}", "startup-notification-id",
-                           g_variant_new ("s", startup_id));
-  return g_variant_builder_end (&builder);
-}
-
-/**
- * gtk_application_new:
- * @appid: System-dependent application identifier
- * @argc: (allow-none) (inout): System argument count
- * @argv: (allow-none) (inout): System argument vector
- *
- * Create a new #GtkApplication, or if one has already been initialized
- * in this process, return the existing instance. This function will as
- * a side effect initialize the display system; see gtk_init().
- *
- * For the behavior if this application is running in another process,
- * see g_application_new().
- *
- * Returns: (transfer full): A newly-referenced #GtkApplication
- *
- * Since: 3.0
- */
-GtkApplication*
-gtk_application_new (const gchar   *appid,
-		     gint          *argc,
-                     gchar       ***argv)
-{
-  GtkApplication *app;
-  gint argc_for_app;
-  const gchar **argv_for_app;
-  GVariant *argv_variant;
-  GError *error = NULL;
-
-  gtk_init (argc, argv);
-
-  if (argc)
-    argc_for_app = *argc;
-  else
-    argc_for_app = 0;
-
-  if (argv)
-    argv_for_app = (const gchar **) *argv;
-  else
-    argv_for_app = NULL;
-
-  argv_variant = g_variant_new_bytestring_array (argv_for_app, argc_for_app);
-
-  app = g_initable_new (GTK_TYPE_APPLICATION, 
-			NULL,
-			&error,
-			"application-id", appid, 
-			"argv", argv_variant, 
-			NULL);
-  if (app == NULL)
-    {
-      g_error ("%s", error->message);
-      g_clear_error (&error);
-      return NULL;
+      if (window != NULL)
+        gtk_application_set_default_window (application, window);
     }
 
-  return app;
+  if (application->priv->default_window != NULL)
+    gtk_window_present (application->priv->default_window);
 }
 
 static void
-on_action_sensitive (GtkAction      *action,
-                     GParamSpec     *pspec,
-                     GtkApplication *app)
+gtk_application_action (GApplication *gapplication,
+                        const gchar  *action_name,
+                        GVariant     *parameters)
 {
-  g_application_set_action_enabled (G_APPLICATION (app),
-                                    gtk_action_get_name (action),
-                                    gtk_action_get_sensitive (action));
-}
+  GtkApplication *application = GTK_APPLICATION (gapplication);
 
-/**
- * gtk_application_set_action_group:
- * @app: A #GtkApplication
- * @group: A #GtkActionGroup
- *
- * Set @group as this application's global action group.
- * This will ensure the operating system interface uses
- * these actions as follows:
- *
- * <itemizedlist>
- *   <listitem>In GNOME 2 this exposes the actions for scripting.</listitem>
- *   <listitem>In GNOME 3, this function populates the application menu.</listitem>
- *   <listitem>In Windows prior to version 7, this function does nothing.</listitem>
- *   <listitem>In Windows 7, this function adds "Tasks" to the Jump List.</listitem>
- *   <listitem>In Mac OS X, this function extends the Dock menu.</listitem>
- * </itemizedlist>
- *
- * It is an error to call this function more than once.
- *
- * Since: 3.0
- */
-void
-gtk_application_set_action_group (GtkApplication *app,
-                                  GtkActionGroup *group)
-{
-  GList *actions, *iter;
+  if (parameters == NULL && application->priv->action_group != NULL)
+    {
+      GtkAction *action;
 
-  g_return_if_fail (GTK_IS_APPLICATION (app));
-  g_return_if_fail (GTK_IS_ACTION_GROUP (group));
-  g_return_if_fail (app->priv->main_actions == NULL);
+      action = gtk_action_group_get_action (application->priv->action_group,
+                                            action_name);
 
-  app->priv->main_actions = g_object_ref (group);
-  actions = gtk_action_group_list_actions (group);
-  for (iter = actions; iter; iter = iter->next)
-    {
-      GtkAction *action = iter->data;
-      g_application_add_action (G_APPLICATION (app),
-                                gtk_action_get_name (action),
-                                gtk_action_get_tooltip (action));
-      g_signal_connect (action, "notify::sensitive",
-                        G_CALLBACK (on_action_sensitive), app);
+      if (action != NULL)
+        {
+          gtk_action_activate (action);
+          return;
+        }
     }
-  g_list_free (actions);
 }
 
-static gboolean
-gtk_application_on_window_destroy (GtkWidget *window,
-                                   gpointer   user_data)
+GtkApplication *
+gtk_application_new (const gchar       *application_id,
+                     GApplicationFlags  flags,
+                     GtkActionGroup    *action_group)
 {
-  GtkApplication *app = GTK_APPLICATION (user_data);
+  g_return_val_if_fail (g_application_id_is_valid (application_id), NULL);
 
-  app->priv->windows = g_slist_remove (app->priv->windows, window);
+  gtk_init (NULL, NULL);
 
-  if (app->priv->windows == NULL)
-    gtk_application_quit (app);
-
-  return FALSE;
+  return g_object_new (GTK_TYPE_APPLICATION,
+                       "application-id", application_id,
+                       "flags", flags,
+                       "action-group", action_group,
+                       NULL);
 }
 
-static gchar *default_title;
-
-/**
- * gtk_application_add_window:
- * @app: a #GtkApplication
- * @window: a toplevel window to add to @app
- *
- * Adds a window to the #GtkApplication.
- *
- * If all the windows managed by #GtkApplication are closed, the
- * #GtkApplication will call gtk_application_quit(), and quit
- * the application.
- *
- * If your application uses only a single toplevel window, you can
- * use gtk_application_get_window(). If you are using a sub-class
- * of #GtkApplication you should call gtk_application_create_window()
- * to let the #GtkApplication instance create a #GtkWindow and add
- * it to the list of toplevels of the application. You should call
- * this function only to add #GtkWindow<!-- -->s that you created
- * directly using gtk_window_new().
- *
- * Since: 3.0
- */
-void
-gtk_application_add_window (GtkApplication *app,
-                            GtkWindow      *window)
+GtkActionGroup *
+gtk_application_get_action_group (GtkApplication *application)
 {
-  GtkApplicationPrivate *priv;
-
-  g_return_if_fail (GTK_IS_APPLICATION (app));
-  g_return_if_fail (GTK_IS_WINDOW (window));
-
-  priv = app->priv;
+  g_return_val_if_fail (GTK_IS_APPLICATION (application), NULL);
 
-  if (g_slist_find (priv->windows, window) != NULL)
-    return;
-
-  priv->windows = g_slist_prepend (priv->windows, window);
-
-  if (priv->default_window == NULL)
-    priv->default_window = window;
-
-  if (gtk_window_get_title (window) == NULL && default_title != NULL)
-    gtk_window_set_title (window, default_title);
-
-  g_signal_connect (window, "destroy",
-                    G_CALLBACK (gtk_application_on_window_destroy),
-                    app);
+  return application->priv->action_group;
 }
 
-/**
- * gtk_application_get_window:
- * @app: a #GtkApplication
- *
- * A simple #GtkApplication has a "default window". This window should
- * act as the primary user interaction point with your application.
- * The window returned by this function is of type #GTK_WINDOW_TYPE_TOPLEVEL
- * and its properties such as "title" and "icon-name" will be initialized
- * as appropriate for the platform.
- *
- * If the user closes this window, and your application hasn't created
- * any other windows, the default action will be to call gtk_application_quit().
- *
- * If your application has more than one toplevel window (e.g. an
- * single-document-interface application with multiple open documents),
- * or if you are constructing your toplevel windows yourself (e.g. using
- * #GtkBuilder), use gtk_application_create_window() or
- * gtk_application_add_window() instead.
- *
- * Returns: (transfer none): The default #GtkWindow for this application
- *
- * Since: 3.0
- */
-GtkWindow *
-gtk_application_get_window (GtkApplication *app)
+void
+gtk_application_set_action_group (GtkApplication *application,
+                                  GtkActionGroup *action_group)
 {
-  GtkApplicationPrivate *priv;
-
-  g_return_val_if_fail (GTK_IS_APPLICATION (app), NULL);
+  g_return_if_fail (GTK_IS_APPLICATION (application));
+  g_return_if_fail (action_group == NULL || GTK_IS_ACTION_GROUP (action_group));
 
-  priv = app->priv;
+  if (application->priv->action_group != action_group)
+    {
+      if (application->priv->action_group)
+        g_object_unref (application->priv->action_group);
 
-  if (priv->default_window != NULL)
-    return priv->default_window;
+      application->priv->action_group = action_group;
 
-  return gtk_application_create_window (app);
-}
+      if (application->priv->action_group)
+        g_object_ref (application->priv->action_group);
 
-/**
- * gtk_application_get_windows:
- * @app: a #GtkApplication
- *
- * Retrieves the list of windows previously registered with
- * gtk_application_create_window() or gtk_application_add_window().
- *
- * Return value: (element-type GtkWindow) (transfer none): A pointer
- * to the list of #GtkWindow<!-- -->s registered by this application,
- * or %NULL. The returned #GSList is owned by the #GtkApplication
- * and it should not be modified or freed directly.
- *
- * Since: 3.0
- */
-G_CONST_RETURN GSList *
-gtk_application_get_windows (GtkApplication *app)
-{
-  g_return_val_if_fail (GTK_IS_APPLICATION (app), NULL);
+      /* XXX synch the list... */
 
-  return app->priv->windows;
+      g_object_notify (G_OBJECT (application), "action-group");
+    }
 }
 
-/**
- * gtk_application_create_window:
- * @app: a #GtkApplication
- *
- * Creates a new #GtkWindow for the application.
- *
- * This function calls the #GtkApplication::create_window() virtual function,
- * which can be overridden by sub-classes, for instance to use #GtkBuilder to
- * create the user interface. After creating a new #GtkWindow instance, it will
- * be added to the list of toplevels associated to the application.
- *
- * Return value: (transfer none): the newly created application #GtkWindow
- *
- * Since: 3.0
- */
 GtkWindow *
-gtk_application_create_window (GtkApplication *app)
+gtk_application_get_default_window (GtkApplication *application)
 {
-  GtkWindow *window;
-
-  g_return_val_if_fail (GTK_IS_APPLICATION (app), NULL);
+  g_return_val_if_fail (GTK_IS_APPLICATION (application), NULL);
 
-  window = GTK_APPLICATION_GET_CLASS (app)->create_window (app);
-  gtk_application_add_window (app, window);
-
-  return window;
-}
-
-/**
- * gtk_application_run:
- * @app: a #GtkApplication
- *
- * Runs the main loop; see g_application_run().
- * The default implementation for #GtkApplication uses gtk_main().
- *
- * Since: 3.0
- */
-void
-gtk_application_run (GtkApplication *app)
-{
-  g_application_run (G_APPLICATION (app));
+  return application->priv->default_window;
 }
 
-/**
- * gtk_application_quit:
- * @app: a #GtkApplication
- *
- * Request the application exit.  This function invokes
- * g_application_quit_with_data(), which normally will
- * in turn cause @app to emit #GtkApplication::quit.
- *
- * To control an application's quit behavior (for example, to ask for
- * files to be saved), connect to the #GtkApplication::quit signal
- * handler.
- *
- * Since: 3.0
- */
 void
-gtk_application_quit (GtkApplication *app)
+gtk_application_set_default_window (GtkApplication *application,
+                                    GtkWindow      *window)
 {
-  GVariantBuilder builder;
-  GVariant *platform_data;
+  g_return_if_fail (GTK_IS_APPLICATION (application));
+  g_return_if_fail (window == NULL || GTK_IS_WINDOW (window));
 
-  g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
-  g_variant_builder_add (&builder, "{sv}",
-			 "timestamp",
-			 g_variant_new ("u", gtk_get_current_event_time ()));
-  platform_data = g_variant_builder_end (&builder);
+  if (application->priv->default_window != window)
+    {
+      if (window)
+        gtk_window_set_application (window, application);
 
-  g_application_quit_with_data (G_APPLICATION (app), platform_data);
+      application->priv->default_window = window;
 
-  g_variant_unref (platform_data);
+      g_object_notify (G_OBJECT (application), "default-window");
+    }
 }
 
 static void
-gtk_application_get_property (GObject    *object,
-                              guint       prop_id,
-                              GValue     *value,
-                              GParamSpec *pspec)
+gtk_application_quit_mainloop (GApplication *application)
 {
-  GtkApplication *app = GTK_APPLICATION (object);
-
-  switch (prop_id)
-    {
-      case PROP_WINDOW:
-        g_value_set_object (value, gtk_application_get_window (app));
-        break;
-      default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-    }
+  gtk_main_quit ();
 }
 
 static void
-gtk_application_set_property (GObject      *object,
-                              guint         prop_id,
-                              const GValue *value,
-                              GParamSpec   *pspec)
+gtk_application_run_mainloop (GApplication *application)
 {
-  GtkApplication *app = GTK_APPLICATION (object);
-
-  g_assert (app != NULL);
-
-  switch (prop_id)
-    {
-      default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-    }
+  gtk_main ();
 }
 
 static void
-setup_default_window_decorations (void)
+gtk_application_finalize (GObject *object)
 {
-  const gchar *pid;
-  const gchar *filename;
-  GKeyFile *keyfile;
-  gchar *title;
-  gchar *icon_name;
-
-  pid = g_getenv ("GIO_LAUNCHED_DESKTOP_FILE_PID");
-  filename = g_getenv ("GIO_LAUNCHED_DESKTOP_FILE");
-
-  keyfile = g_key_file_new ();
-
-  if (pid != NULL && filename != NULL && atoi (pid) == getpid () &&
-      g_key_file_load_from_file (keyfile, filename, 0, NULL))
-    {
-      title = g_key_file_get_locale_string (keyfile, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, NULL, NULL);
-      icon_name = g_key_file_get_string (keyfile, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_ICON, NULL);
-
-      if (default_title == NULL)
-        default_title = title;
-
-      if (gtk_window_get_default_icon_name () == NULL)
-        gtk_window_set_default_icon_name (icon_name);
+  GtkApplication *application = GTK_APPLICATION (object);
 
-      g_free (icon_name);
-    }
+  if (application->priv->action_group)
+    g_object_unref (application->priv->action_group);
 
-  g_key_file_free (keyfile);
+  G_OBJECT_CLASS (gtk_application_parent_class)
+    ->finalize (object);
 }
 
 static void
 gtk_application_init (GtkApplication *application)
 {
-  application->priv = G_TYPE_INSTANCE_GET_PRIVATE (application, GTK_TYPE_APPLICATION, GtkApplicationPrivate);
+  application->priv = G_TYPE_INSTANCE_GET_PRIVATE (application,
+                                                   GTK_TYPE_APPLICATION,
+                                                   GtkApplicationPrivate);
+}
 
-  g_object_set (application, "platform-data", gtk_application_format_activation_data (), NULL);
+static void
+gtk_application_class_init (GtkApplicationClass *class)
+{
+  GApplicationClass *application_class = G_APPLICATION_CLASS (class);
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
 
-  setup_default_window_decorations ();
-}
+  object_class->set_property = gtk_application_set_property;
+  object_class->get_property = gtk_application_get_property;
 
+  class->create_window = gtk_application_real_create_window;
 
-static GObject*
-gtk_application_constructor (GType                  type,
-                             guint                  n_construct_properties,
-                             GObjectConstructParam *construct_params)
-{
-  GObject *object;
+  application_class->quit_mainloop = gtk_application_quit_mainloop;
+  application_class->run_mainloop = gtk_application_run_mainloop;
+  application_class->activate = gtk_application_activate;
+  application_class->action = gtk_application_action;
 
-  /* Last ditch effort here */
-  gtk_init (0, NULL);
+  object_class->finalize = gtk_application_finalize;
 
-  object = (* G_OBJECT_CLASS (gtk_application_parent_class)->constructor) (type,
-                                                                           n_construct_properties,
-                                                                           construct_params);
+  g_object_class_install_property (object_class, PROP_ACTION_GROUP,
+    g_param_spec_object ("action-group", "action group",
+                         "the GtkActionGroup for the application",
+                         GTK_TYPE_ACTION_GROUP, G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
 
-  return object;
-}
+  g_object_class_install_property (object_class, PROP_DEFAULT_WINDOW,
+    g_param_spec_object ("default-window", "default window",
+                         "the default window for the application",
+                         GTK_TYPE_WINDOW,
+                         G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
-static void
-gtk_application_class_init (GtkApplicationClass *klass)
-{
-  GObjectClass *gobject_class;
-  GApplicationClass *application_class;
-
-  gobject_class = G_OBJECT_CLASS (klass);
-  application_class = G_APPLICATION_CLASS (klass);
-
-  gobject_class->constructor = gtk_application_constructor;
-  gobject_class->get_property = gtk_application_get_property;
-  gobject_class->set_property = gtk_application_set_property;
-
-  application_class->run = gtk_application_default_run;
-  application_class->quit_with_data = gtk_application_default_quit_with_data;
-  application_class->action_with_data = gtk_application_default_action_with_data;
-  application_class->prepare_activation = gtk_application_default_prepare_activation;
-
-  klass->quit = gtk_application_default_quit;
-  klass->action = gtk_application_default_action;
-  klass->create_window = gtk_application_default_create_window;
-
-  klass->activated = gtk_application_default_activated;
-
-  /**
-   * GtkApplication::activated:
-   * @arguments: A #GVariant with the signature "aay"
-   *
-   * This signal is emitted when a non-primary process for a given
-   * application is invoked while your application is running; for
-   * example, when a file browser launches your program to open a
-   * file.  The raw operating system arguments are passed in the
-   * variant @arguments.
-   *
-   * Since: 3.0
-   */
-  gtk_application_signals[ACTIVATED] =
-    g_signal_new (g_intern_static_string ("activated"),
-                  G_OBJECT_CLASS_TYPE (klass),
-                  G_SIGNAL_RUN_LAST,
-                  G_STRUCT_OFFSET (GtkApplicationClass, activated),
-                  NULL, NULL,
-                  g_cclosure_marshal_VOID__VARIANT,
-                  G_TYPE_NONE, 1,
-                  G_TYPE_VARIANT);
-
-  /**
-   * GtkApplication::quit:
-   * @application: the object on which the signal is emitted
-   *
-   * This signal is emitted when a quit is initiated.  See also
-   * the #GApplication::quit-with-data signal which may in
-   * turn trigger this signal.
-   *
-   * The default handler for this signal exits the mainloop of the
-   * application. It is possible to override the default handler
-   * by simply returning %TRUE from a callback, e.g.:
-   *
-   * |[
-   * static gboolean
-   * my_application_quit (GtkApplication *application)
-   * {
-   *   /&ast; if some_condition is TRUE, do not quit &ast;/
-   *   if (some_condition)
-   *     return TRUE;
-   *
-   *   /&ast; this will cause the application to quit &ast;
-   *   return FALSE;
-   * }
-   *
-   *   g_signal_connect (application, "quit",
-   *                     G_CALLBACK (my_application_quit),
-   *                     NULL);
-   * ]|
-   *
-   * Returns: %TRUE if the signal has been handled, %FALSE to continue
-   *   signal emission
-   *
-   * Since: 3.0
-   */
-  gtk_application_signals[QUIT] =
-    g_signal_new (g_intern_static_string ("quit"),
-                  G_OBJECT_CLASS_TYPE (klass),
-                  G_SIGNAL_RUN_LAST,
-                  G_STRUCT_OFFSET (GtkApplicationClass, quit),
-                  g_signal_accumulator_true_handled, NULL,
-                  _gtk_marshal_BOOLEAN__VOID,
-                  G_TYPE_BOOLEAN, 0);
-
-  /**
-   * GtkApplication::action:
-   * @application: the object on which the signal is emitted
-   * @name: The name of the activated action
-   *
-   * This signal is emitted when an action is activated. The action name
-   * is passed as the first argument, but also as signal detail, so it
-   * is possible to connect to this signal for individual actions.
-   *
-   * See also the #GApplication::action-with-data signal which may in
-   * turn trigger this signal.
-   *
-   * The signal is never emitted for disabled actions.
-   *
-   * Since: 3.0
-   */
-  gtk_application_signals[ACTION] =
-    g_signal_new (g_intern_static_string ("action"),
-                  G_OBJECT_CLASS_TYPE (klass),
-                  G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE | G_SIGNAL_DETAILED,
-                  G_STRUCT_OFFSET (GtkApplicationClass, action),
-                  NULL, NULL,
-                  g_cclosure_marshal_VOID__STRING,
-                  G_TYPE_NONE, 1,
-                  G_TYPE_STRING);
-                 
-  g_type_class_add_private (gobject_class, sizeof (GtkApplicationPrivate));
+  g_type_class_add_private (object_class, sizeof (GtkApplicationPrivate));
 }
diff --git a/gtk/gtkapplication.h b/gtk/gtkapplication.h
index 929cb29..35fe7d2 100644
--- a/gtk/gtkapplication.h
+++ b/gtk/gtkapplication.h
@@ -1,5 +1,5 @@
-/* GTK - The GIMP Toolkit
- *
+/*
+ * Copyright © 2010 Codethink Limited
  * Copyright (C) 2010 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
@@ -17,14 +17,8 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  *
- * Author: Colin Walters <walters verbum org>
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
- * file for a list of people on the GTK+ Team.  See the ChangeLog
- * files for a list of changes.  These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ * Author: Ryan Lortie <desrt desrt ca>
+ *         Colin Walters <walters verbum org>
  */
 
 #if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
@@ -34,10 +28,9 @@
 #ifndef __GTK_APPLICATION_H__
 #define __GTK_APPLICATION_H__
 
-#include <gio/gio.h>
-#include <gtk/gtkaction.h>
 #include <gtk/gtkactiongroup.h>
-#include <gtk/gtkwindow.h>
+#include <gtk/gtkwidget.h>
+#include <gio/gio.h>
 
 G_BEGIN_DECLS
 
@@ -57,7 +50,6 @@ struct _GtkApplication
   GApplication parent;
 
   /*< private >*/
-
   GtkApplicationPrivate *priv;
 };
 
@@ -67,39 +59,24 @@ struct _GtkApplicationClass
 
   /*< vfuncs >*/
   GtkWindow *(* create_window) (GtkApplication *application);
-  void       (* activated)     (GtkApplication *application,
-                                GVariant       *args);
-  void       (* action)        (GtkApplication *application,
-                                const gchar    *action_name);
-  gboolean   (* quit)          (GtkApplication *application);
-			       
-
-  /* Padding for future expansion */
-  void (*_gtk_reserved1) (void);
-  void (*_gtk_reserved2) (void);
-  void (*_gtk_reserved3) (void);
-  void (*_gtk_reserved4) (void);
-  void (*_gtk_reserved5) (void);
-  void (*_gtk_reserved6) (void);
-  void (*_gtk_reserved7) (void);
-  void (*_gtk_reserved8) (void);
-  void (*_gtk_reserved9) (void);
-  void (*_gtk_reserved10) (void);
+
+  /*< private >*/
+  gpointer padding[12];
 };
 
-GType                   gtk_application_get_type         (void) G_GNUC_CONST;
-GtkApplication*         gtk_application_new              (const gchar      *appid,
-                                                          gint             *argc,
-                                                          gchar          ***argv);
-void                    gtk_application_set_action_group (GtkApplication   *app,
-                                                          GtkActionGroup   *group);
-GtkWindow *             gtk_application_create_window    (GtkApplication   *app);
-GtkWindow *             gtk_application_get_window       (GtkApplication   *app);
-G_CONST_RETURN GSList * gtk_application_get_windows      (GtkApplication   *app);
-void                    gtk_application_add_window       (GtkApplication   *app,
-                                                          GtkWindow        *window);
-void                    gtk_application_run              (GtkApplication   *app);
-void                    gtk_application_quit             (GtkApplication   *app);
+GType                   gtk_application_get_type                        (void) G_GNUC_CONST;
+
+GtkApplication*         gtk_application_new                             (const gchar       *appid,
+                                                                         GApplicationFlags  flags,
+                                                                         GtkActionGroup    *action_group);
+
+GtkActionGroup *        gtk_application_get_action_group                (GtkApplication    *application);
+void                    gtk_application_set_action_group                (GtkApplication    *application,
+                                                                         GtkActionGroup    *action_group);
+
+GtkWindow *             gtk_application_get_default_window              (GtkApplication    *application);
+void                    gtk_application_set_default_window              (GtkApplication    *application,
+                                                                         GtkWindow         *window);
 
 G_END_DECLS
 
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index a9fa718..f48bb60 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -124,6 +124,7 @@ enum {
   PROP_GRAVITY,
   PROP_TRANSIENT_FOR,
   PROP_OPACITY,
+  PROP_APPLICATION,
   
   /* Readonly properties */
   PROP_IS_ACTIVE,
@@ -223,6 +224,7 @@ struct _GtkWindowPrivate
   guint mnemonics_visible_set : 1;
 
   GdkWindowTypeHint type_hint;
+  GtkApplication *application;
 
   gdouble opacity;
 
@@ -826,6 +828,24 @@ gtk_window_class_init (GtkWindowClass *klass)
 							1.0,
 							GTK_PARAM_READWRITE));
 
+  /**
+   * GtkWindow:application:
+   *
+   * The #GtkApplication associated with the window.
+   *
+   * The application will be kept alive for at least as long as the
+   * window is open.
+   *
+   * Since: 3.0
+   */
+  g_object_class_install_property (gobject_class,
+                                   PROP_APPLICATION,
+                                   g_param_spec_object ("application",
+                                                        P_("GtkApplication"),
+                                                        P_("The GtkApplication for the window"),
+                                                        GTK_TYPE_APPLICATION,
+                                                        GTK_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
   window_signals[SET_FOCUS] =
     g_signal_new (I_("set-focus"),
                   G_TYPE_FROM_CLASS (gobject_class),
@@ -1091,6 +1111,9 @@ gtk_window_set_property (GObject      *object,
     case PROP_OPACITY:
       gtk_window_set_opacity (window, g_value_get_double (value));
       break;
+    case PROP_APPLICATION:
+      gtk_window_set_application (window, g_value_get_object (value));
+      break;
     case PROP_MNEMONICS_VISIBLE:
       gtk_window_set_mnemonics_visible (window, g_value_get_boolean (value));
       break;
@@ -1203,6 +1226,9 @@ gtk_window_get_property (GObject      *object,
     case PROP_OPACITY:
       g_value_set_double (value, gtk_window_get_opacity (window));
       break;
+    case PROP_APPLICATION:
+      g_value_set_object (value, gtk_window_get_application (window));
+      break;
     case PROP_MNEMONICS_VISIBLE:
       g_value_set_boolean (value, priv->mnemonics_visible);
       break;
@@ -2412,6 +2438,78 @@ gtk_window_get_opacity (GtkWindow *window)
 }
 
 /**
+ * gtk_window_get_application:
+ * @window: a #GtkWindow
+ *
+ * Gets the #GtkApplication associated with the window (if any).
+ *
+ * Return value: a #GtkApplication, or %NULL
+ *
+ * Since: 3.0
+ **/
+GtkApplication *
+gtk_window_get_application (GtkWindow *window)
+{
+  g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
+
+  return GTK_WINDOW_GET_PRIVATE (window)->application;
+}
+
+static void
+gtk_window_release_application (GtkWindow        *window,
+                                GtkWindowPrivate *priv)
+{
+  if (priv->application)
+    {
+      if (gtk_application_get_default_window (priv->application) == window)
+        gtk_application_set_default_window (priv->application, NULL);
+
+      g_application_release (G_APPLICATION (priv->application));
+      g_object_unref (priv->application);
+
+      priv->application = NULL;
+    }
+}
+
+/**
+ * gtk_window_set_application:
+ * @window: a #GtkWindow
+ * @application: a #GtkApplication, or %NULL
+ *
+ * Sets or unsets the #GtkApplication associated with the window.
+ *
+ * The application will be kept alive for at least as long as the window
+ * is open.
+ *
+ * Since: 3.0
+ **/
+void
+gtk_window_set_application (GtkWindow      *window,
+                            GtkApplication *application)
+{
+  GtkWindowPrivate *priv;
+
+  g_return_if_fail (GTK_IS_WINDOW (window));
+
+  priv = GTK_WINDOW_GET_PRIVATE (window);
+
+  if (priv->application != application)
+    {
+      gtk_window_release_application (window, priv);
+
+      priv->application = application;
+
+      if (priv->application != NULL)
+        {
+          g_application_hold (G_APPLICATION (priv->application));
+          g_object_ref (priv->application);
+        }
+
+      g_object_notify (G_OBJECT (window), "application");
+    }
+}
+
+/**
  * gtk_window_set_type_hint:
  * @window: a #GtkWindow
  * @hint: the window type
@@ -4422,6 +4520,8 @@ gtk_window_finalize (GObject *object)
   GtkWindowPrivate *priv = GTK_WINDOW_GET_PRIVATE (window);
   GtkMnemonicHash *mnemonic_hash;
 
+  gtk_window_release_application (window, priv);
+
   g_free (window->title);
   g_free (window->wmclass_name);
   g_free (window->wmclass_class);
diff --git a/gtk/gtkwindow.h b/gtk/gtkwindow.h
index 0a95b18..38e0101 100644
--- a/gtk/gtkwindow.h
+++ b/gtk/gtkwindow.h
@@ -32,6 +32,7 @@
 #define __GTK_WINDOW_H__
 
 
+#include <gtk/gtkapplication.h>
 #include <gtk/gtkaccelgroup.h>
 #include <gtk/gtkbin.h>
 
@@ -399,6 +400,10 @@ GList *          gtk_window_group_list_windows  (GtkWindowGroup     *window_grou
 GtkWidget *      gtk_window_group_get_current_device_grab (GtkWindowGroup *window_group,
                                                            GdkDevice      *device);
 
+GtkApplication *gtk_window_get_application      (GtkWindow          *window);
+void            gtk_window_set_application      (GtkWindow          *window,
+                                                 GtkApplication     *application);
+
 
 /* --- internal functions --- */
 void            _gtk_window_internal_set_focus (GtkWindow *window,



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