toolbar: add a F10 keybinding for the gear menu

F10 should activate the gear menu, or there's no way to get to it using
the keyboard.

https://bugzilla.gnome.org/show_bug.cgi?id=680568

src/nautilus-application.c

@@ -899,7 +899,21 @@ action_quit (GSimpleAction *action,
 	g_list_foreach (windows, (GFunc) nautilus_window_close, NULL);
 }
 
+static void
+action_toggle_state (GSimpleAction *action,
+		     GVariant *parameter,
+		     gpointer user_data)
+{
+	GVariant *state;
+
+	state = g_action_get_state (G_ACTION (action));
+	g_action_change_state (G_ACTION (action),
+			       g_variant_new_boolean (!g_variant_get_boolean (state)));
+	g_variant_unref (state);
+}
+
 static GActionEntry app_entries[] = {
+	{ "gear-menu", action_toggle_state, NULL, "false", NULL },
 	{ "new-window", action_new_window, NULL, NULL, NULL },
 	{ "connect-to-server", action_connect_to_server, NULL, NULL, NULL },
 	{ "preferences", action_preferences, NULL, NULL, NULL },
@@ -910,7 +924,7 @@ static GActionEntry app_entries[] = {
 };
 
 static void
-nautilus_application_init_app_menu (NautilusApplication *self)
+nautilus_application_init_actions (NautilusApplication *self)
 {
 	GtkBuilder *builder;
 	GError *error = NULL;
@@ -918,6 +932,7 @@ nautilus_application_init_app_menu (NautilusApplication *self)
 	g_action_map_add_action_entries (G_ACTION_MAP (self),
 					 app_entries, G_N_ELEMENTS (app_entries),
 					 self);
+	gtk_application_add_accelerator (GTK_APPLICATION (self), "F10", "app.gear-menu", NULL);
 
 	builder = gtk_builder_new ();
 	gtk_builder_add_from_resource (builder, "/org/gnome/nautilus/nautilus-app-menu.ui", &error);
@@ -1394,7 +1409,7 @@ nautilus_application_startup (GApplication *app)
 
 	do_upgrades_once (self);
 
-	nautilus_application_init_app_menu (self);
+	nautilus_application_init_actions (self);
 }
 
 static void

src/nautilus-toolbar.c

@@ -205,6 +205,8 @@ nautilus_toolbar_constructed (GObject *obj)
 	tool_button = toolbar_create_toolbutton (self, TRUE, FALSE, "emblem-system-symbolic");
 	menu = gtk_ui_manager_get_widget (self->priv->ui_manager, "/ViewMenu");
 	gtk_menu_button_set_menu (GTK_MENU_BUTTON (tool_button), menu);
+	gtk_actionable_set_action_name (GTK_ACTIONABLE (tool_button), "app.gear-menu");
+
 	gtk_container_add (GTK_CONTAINER (tool_item), tool_button);
 	gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (tool_item));
 	gtk_widget_show_all (GTK_WIDGET (tool_item));