2 * Copyright (C) 2011 Red Hat, Inc.
3 * Written by Matthias Clasen
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
30 * - More dynamic changes. Add/Remove sections, submenus.
32 * - Focus changes. Verify that stopping subscriptions works
35 * - Other attributes. What about icons ?
44 gboolean items_changed;
47 /* Menumodel callbacks {{{2 */
50 connect_to_items_changed (GMenuModel *model,
58 if (!g_object_get_data (G_OBJECT (model), "handler-connected"))
60 g_signal_connect (model, "items-changed", callback, data);
61 g_object_set_data (G_OBJECT (model), "handler-connected", GINT_TO_POINTER (1));
63 for (i = 0; i < g_menu_model_get_n_items (model); i++)
65 iter = g_menu_model_iterate_item_links (model, i);
66 while (g_menu_link_iter_next (iter))
68 m = g_menu_link_iter_get_value (iter);
69 connect_to_items_changed (m, callback, data);
72 g_object_unref (iter);
77 items_changed (GMenuModel *model,
83 g_print ("Received GMenuModel::items-changed\n");
84 holder->items_changed = TRUE;
85 connect_to_items_changed (model, G_CALLBACK (items_changed), holder);
88 /* Actiongroup callbacks {{{2 */
94 gulong enabled_changed_id;
95 gulong state_changed_id;
99 action_data_free (gpointer data)
101 ActionData *a = data;
103 if (a->enabled_changed_id)
104 g_signal_handler_disconnect (a->group, a->enabled_changed_id);
106 if (a->state_changed_id)
107 g_signal_handler_disconnect (a->group, a->state_changed_id);
109 g_object_unref (a->group);
117 enabled_changed (GActionGroup *group,
118 const gchar *action_name,
122 gtk_widget_set_sensitive (widget, enabled);
126 toggle_state_changed (GActionGroup *group,
131 gtk_check_menu_item_set_active (w, g_variant_get_boolean (state));
135 radio_state_changed (GActionGroup *group,
143 a = g_object_get_data (G_OBJECT (w), "action");
144 b = g_strcmp0 (a->target, g_variant_get_string (state, NULL)) == 0;
146 gtk_check_menu_item_set_active (w, b);
149 /* Menuitem callbacks {{{2 */
152 item_activated (GtkWidget *w,
157 a = g_object_get_data (G_OBJECT (w), "action");
158 g_action_group_activate_action (a->group, a->name, NULL);
162 toggle_item_toggled (GtkCheckMenuItem *w,
168 a = g_object_get_data (G_OBJECT (w), "action");
169 b = gtk_check_menu_item_get_active (w);
170 g_action_group_change_action_state (a->group, a->name,
171 g_variant_new_boolean (b));
175 radio_item_toggled (GtkCheckMenuItem *w,
181 a = g_object_get_data (G_OBJECT (w), "action");
182 if (gtk_check_menu_item_get_active (w))
184 g_action_group_change_action_state (a->group, a->name,
185 g_variant_new_string (a->target));
189 v = g_action_group_get_action_state (a->group, a->name);
190 if (g_strcmp0 (g_variant_get_string (v, NULL), a->target) == 0)
191 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), TRUE);
196 /* GtkMenu construction {{{2 */
199 create_menuitem_from_model (GMenuModelItem *item,
208 const GVariantType *type;
211 g_menu_model_item_get_attribute (item, G_MENU_ATTRIBUTE_LABEL, "s", &label);
214 g_menu_model_item_get_attribute (item, G_MENU_ATTRIBUTE_ACTION, "s", &action);
217 type = g_action_group_get_action_state_type (group, action);
222 w = gtk_menu_item_new_with_mnemonic (label);
223 else if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
224 w = gtk_check_menu_item_new_with_label (label);
225 else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
227 w = gtk_check_menu_item_new_with_label (label);
228 gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (w), TRUE);
231 g_assert_not_reached ();
235 a = g_new0 (ActionData, 1);
236 a->group = g_object_ref (group);
237 a->name = g_strdup (action);
238 g_object_set_data_full (G_OBJECT (w), "action", a, action_data_free);
240 if (!g_action_group_get_action_enabled (group, action))
241 gtk_widget_set_sensitive (w, FALSE);
243 s = g_strconcat ("action-enabled-changed::", action, NULL);
244 a->enabled_changed_id = g_signal_connect (group, s,
245 G_CALLBACK (enabled_changed), w);
249 g_signal_connect (w, "activate", G_CALLBACK (item_activated), NULL);
250 else if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
252 g_signal_connect (w, "toggled", G_CALLBACK (toggle_item_toggled), NULL);
253 s = g_strconcat ("action-state-changed::", action, NULL);
254 a->state_changed_id = g_signal_connect (group, s,
255 G_CALLBACK (toggle_state_changed), w);
257 v = g_action_group_get_action_state (group, action);
258 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w),
259 g_variant_get_boolean (v));
262 else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
264 g_signal_connect (w, "toggled", G_CALLBACK (radio_item_toggled), NULL);
265 s = g_strconcat ("action-state-changed::", action, NULL);
266 a->state_changed_id = g_signal_connect (group, s,
267 G_CALLBACK (radio_state_changed), w);
269 g_menu_model_item_get_attribute (item, G_MENU_ATTRIBUTE_TARGET, "s", &target);
270 a->target = g_strdup (target);
271 v = g_action_group_get_action_state (group, action);
272 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w),
273 g_strcmp0 (g_variant_get_string (v, NULL), target) == 0);
278 g_assert_not_reached ();
287 static GtkWidget *create_menu_from_model (GMenuModel *model,
288 GActionGroup *group);
291 append_items_from_model (GtkWidget *menu,
294 gboolean *need_separator)
304 n = g_menu_model_get_n_items (model);
306 if (*need_separator && n > 0)
308 w = gtk_separator_menu_item_new ();
310 gtk_menu_shell_append (GTK_MENU_SHELL (menu), w);
312 *need_separator = FALSE;
315 for (i = 0; i < n; i++)
317 g_menu_model_get_item (model, i, &item);
319 if ((m = g_menu_model_item_get_link (&item, G_MENU_LINK_SECTION)))
321 append_items_from_model (menu, m, group, need_separator);
326 menuitem = create_menuitem_from_model (&item, group);
328 if ((m = g_menu_model_item_get_link (&item, G_MENU_LINK_SUBMENU)))
330 submenu = create_menu_from_model (m, group);
331 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
335 gtk_widget_show (menuitem);
336 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
338 *need_separator = TRUE;
343 create_menu_from_model (GMenuModel *model,
347 gboolean need_separator;
350 need_separator = FALSE;
351 append_items_from_model (w, model, group, &need_separator);
359 menu_holder_new (GMenuModel *model,
364 holder = g_new (MenuHolder, 1);
365 holder->model = g_object_ref (model);
366 holder->group = g_object_ref (group);
367 holder->menu = create_menu_from_model (model, group);
368 holder->items_changed = FALSE;
370 connect_to_items_changed (model, G_CALLBACK (items_changed), holder);
376 menu_holder_get_menu (MenuHolder *holder)
378 if (holder->items_changed)
380 holder->items_changed = FALSE;
381 gtk_widget_destroy (holder->menu);
382 holder->menu = create_menu_from_model (holder->model, holder->group);
388 /* The example menu {{{1 */
390 static const gchar menu_markup[] =
391 "<menu id='edit-menu'>\n"
393 " <item label='Undo' action='undo'/>\n"
394 " <item label='Redo' action='redo'/>\n"
396 " <section></section>\n"
397 " <section label='Copy & Paste'>\n"
398 " <item label='Cut' action='cut'/>\n"
399 " <item label='Copy' action='copy'/>\n"
400 " <item label='Paste' action='paste'/>\n"
403 " <item label='Bold' action='bold'/>\n"
404 " <submenu label='Language'>\n"
405 " <item label='Latin' action='lang' target='latin'/>\n"
406 " <item label='Greek' action='lang' target='greek'/>\n"
407 " <item label='Urdu' action='lang' target='urdu'/>\n"
413 start_element (GMarkupParseContext *context,
414 const gchar *element_name,
415 const gchar **attribute_names,
416 const gchar **attribute_values,
420 if (strcmp (element_name, "menu") == 0)
421 g_menu_markup_parser_start_menu (context, NULL);
425 end_element (GMarkupParseContext *context,
426 const gchar *element_name,
430 GMenu **menu = user_data;
432 if (strcmp (element_name, "menu") == 0)
433 *menu = g_menu_markup_parser_end_menu (context);
436 static const GMarkupParser parser = {
437 start_element, end_element, NULL, NULL, NULL
443 GMarkupParseContext *context;
445 GError *error = NULL;
447 context = g_markup_parse_context_new (&parser, 0, &menu, NULL);
448 if (!g_markup_parse_context_parse (context, menu_markup, -1, &error))
450 g_warning ("menu parsing failed: %s\n", error->message);
453 g_markup_parse_context_free (context);
456 return G_MENU_MODEL (menu);
459 /* The example actions {{{1 */
462 activate_action (GSimpleAction *action, GVariant *parameter, gpointer user_data)
464 g_print ("Action %s activated\n", g_action_get_name (G_ACTION (action)));
468 toggle_changed (GSimpleAction *action, GVariant *value, gpointer user_data)
470 g_print ("Toggle action %s state changed to %d\n",
471 g_action_get_name (G_ACTION (action)),
472 g_variant_get_boolean (value));
474 g_simple_action_set_state (action, value);
478 radio_changed (GSimpleAction *action, GVariant *value, gpointer user_data)
480 g_print ("Radio action %s state changed to %s\n",
481 g_action_get_name (G_ACTION (action)),
482 g_variant_get_string (value, NULL));
484 g_simple_action_set_state (action, value);
487 static GActionEntry actions[] = {
488 { "undo", activate_action, NULL, NULL, NULL },
489 { "redo", activate_action, NULL, NULL, NULL },
490 { "cut", activate_action, NULL, NULL, NULL },
491 { "copy", activate_action, NULL, NULL, NULL },
492 { "paste", activate_action, NULL, NULL, NULL },
493 { "bold", NULL, NULL, "true", toggle_changed },
494 { "lang", NULL, NULL, "'latin'", radio_changed },
497 static GActionGroup *
500 GSimpleActionGroup *group;
502 group = g_simple_action_group_new ();
504 g_simple_action_group_add_entries (group, actions, G_N_ELEMENTS (actions), NULL);
506 return G_ACTION_GROUP (group);
509 /* The action treeview {{{1 */
512 enabled_cell_func (GtkTreeViewColumn *column,
513 GtkCellRenderer *cell,
518 GActionGroup *group = data;
522 gtk_tree_model_get (model, iter, 0, &name, -1);
523 enabled = g_action_group_get_action_enabled (group, name);
526 gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell), enabled);
530 state_cell_func (GtkTreeViewColumn *column,
531 GtkCellRenderer *cell,
536 GActionGroup *group = data;
540 gtk_tree_model_get (model, iter, 0, &name, -1);
541 state = g_action_group_get_action_state (group, name);
544 gtk_cell_renderer_set_visible (cell, FALSE);
545 g_object_set (cell, "mode", GTK_CELL_RENDERER_MODE_INERT, NULL);
548 g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN) &&
549 GTK_IS_CELL_RENDERER_TOGGLE (cell))
551 gtk_cell_renderer_set_visible (cell, TRUE);
552 g_object_set (cell, "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
553 gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell),
554 g_variant_get_boolean (state));
557 g_variant_is_of_type (state, G_VARIANT_TYPE_STRING) &&
558 GTK_IS_CELL_RENDERER_COMBO (cell))
560 gtk_cell_renderer_set_visible (cell, TRUE);
561 g_object_set (cell, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
562 g_object_set (cell, "text", g_variant_get_string (state, NULL), NULL);
566 g_variant_unref (state);
570 enabled_cell_toggled (GtkCellRendererToggle *cell,
571 const gchar *path_str,
581 group = g_object_get_data (G_OBJECT (model), "group");
582 path = gtk_tree_path_new_from_string (path_str);
583 gtk_tree_model_get_iter (model, &iter, path);
584 gtk_tree_model_get (model, &iter, 0, &name, -1);
586 enabled = g_action_group_get_action_enabled (group, name);
587 action = g_simple_action_group_lookup (G_SIMPLE_ACTION_GROUP (group), name);
588 g_simple_action_set_enabled (G_SIMPLE_ACTION (action), !enabled);
590 gtk_tree_model_row_changed (model, path, &iter);
593 gtk_tree_path_free (path);
597 state_cell_toggled (GtkCellRendererToggle *cell,
598 const gchar *path_str,
608 group = g_object_get_data (G_OBJECT (model), "group");
609 path = gtk_tree_path_new_from_string (path_str);
610 gtk_tree_model_get_iter (model, &iter, path);
611 gtk_tree_model_get (model, &iter, 0, &name, -1);
613 state = g_action_group_get_action_state (group, name);
614 action = g_simple_action_group_lookup (G_SIMPLE_ACTION_GROUP (group), name);
615 if (state && g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN))
619 b = g_variant_get_boolean (state);
620 g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_boolean (!b));
627 gtk_tree_model_row_changed (model, path, &iter);
630 gtk_tree_path_free (path);
632 g_variant_unref (state);
636 state_cell_edited (GtkCellRendererCombo *cell,
637 const gchar *path_str,
638 const gchar *new_text,
647 group = g_object_get_data (G_OBJECT (model), "group");
648 path = gtk_tree_path_new_from_string (path_str);
649 gtk_tree_model_get_iter (model, &iter, path);
650 gtk_tree_model_get (model, &iter, 0, &name, -1);
651 action = g_simple_action_group_lookup (G_SIMPLE_ACTION_GROUP (group), name);
652 g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_string (new_text));
654 gtk_tree_model_row_changed (model, path, &iter);
657 gtk_tree_path_free (path);
661 create_action_treeview (GActionGroup *group)
665 GtkListStore *values;
667 GtkTreeViewColumn *column;
668 GtkCellRenderer *cell;
672 store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
673 actions = g_action_group_list_actions (group);
674 for (i = 0; actions[i]; i++)
676 gtk_list_store_append (store, &iter);
677 gtk_list_store_set (store, &iter, 0, actions[i], -1);
679 g_strfreev (actions);
680 g_object_set_data (G_OBJECT (store), "group", group);
682 tv = gtk_tree_view_new ();
684 g_signal_connect_swapped (group, "action-enabled-changed",
685 G_CALLBACK (gtk_widget_queue_draw), tv);
686 g_signal_connect_swapped (group, "action-state-changed",
687 G_CALLBACK (gtk_widget_queue_draw), tv);
689 gtk_tree_view_set_model (GTK_TREE_VIEW (tv), GTK_TREE_MODEL (store));
691 cell = gtk_cell_renderer_text_new ();
692 column = gtk_tree_view_column_new_with_attributes ("Action", cell,
695 gtk_tree_view_append_column (GTK_TREE_VIEW (tv), column);
697 column = gtk_tree_view_column_new ();
698 gtk_tree_view_column_set_title (column, "Enabled");
699 cell = gtk_cell_renderer_toggle_new ();
700 gtk_tree_view_column_pack_start (column, cell, FALSE);
701 gtk_tree_view_column_set_cell_data_func (column, cell, enabled_cell_func, group, NULL);
702 g_signal_connect (cell, "toggled", G_CALLBACK (enabled_cell_toggled), store);
703 gtk_tree_view_append_column (GTK_TREE_VIEW (tv), column);
705 column = gtk_tree_view_column_new ();
706 gtk_tree_view_column_set_title (column, "State");
707 cell = gtk_cell_renderer_toggle_new ();
708 gtk_tree_view_column_pack_start (column, cell, FALSE);
709 gtk_tree_view_column_set_cell_data_func (column, cell, state_cell_func, group, NULL);
710 g_signal_connect (cell, "toggled", G_CALLBACK (state_cell_toggled), store);
711 cell = gtk_cell_renderer_combo_new ();
712 values = gtk_list_store_new (1, G_TYPE_STRING);
713 gtk_list_store_append (values, &iter);
714 gtk_list_store_set (values, &iter, 0, "latin", -1);
715 gtk_list_store_append (values, &iter);
716 gtk_list_store_set (values, &iter, 0, "greek", -1);
717 gtk_list_store_append (values, &iter);
718 gtk_list_store_set (values, &iter, 0, "urdu", -1);
719 gtk_list_store_append (values, &iter);
720 gtk_list_store_set (values, &iter, 0, "sumerian", -1);
727 gtk_tree_view_column_pack_start (column, cell, FALSE);
728 gtk_tree_view_column_set_cell_data_func (column, cell, state_cell_func, group, NULL);
729 g_signal_connect (cell, "edited", G_CALLBACK (state_cell_edited), store);
730 gtk_tree_view_append_column (GTK_TREE_VIEW (tv), column);
735 /* Dynamic menu changes {{{1 */
738 toggle_sumerian (GtkToggleButton *button, gpointer data)
744 model = g_object_get_data (G_OBJECT (button), "model");
746 adding = gtk_toggle_button_get_active (button);
748 m = g_menu_model_get_item_link (model, g_menu_model_get_n_items (model) - 1, G_MENU_LINK_SECTION);
749 m = g_menu_model_get_item_link (m, g_menu_model_get_n_items (m) - 1, G_MENU_LINK_SUBMENU);
751 g_menu_append (G_MENU (m), "Sumerian", "lang::sumerian");
753 g_menu_remove (G_MENU (m), g_menu_model_get_n_items (m) - 1);
757 toggle_italic (GtkToggleButton *button, gpointer data)
761 GSimpleAction *action;
764 GtkTreeView *tv = data;
768 model = g_object_get_data (G_OBJECT (button), "model");
769 group = g_object_get_data (G_OBJECT (button), "group");
771 store = gtk_tree_view_get_model (tv);
773 adding = gtk_toggle_button_get_active (button);
775 m = g_menu_model_get_item_link (model, g_menu_model_get_n_items (model) - 1, G_MENU_LINK_SECTION);
778 action = g_simple_action_new_stateful ("italic", NULL, g_variant_new_boolean (FALSE));
779 g_simple_action_group_insert (G_SIMPLE_ACTION_GROUP (group), G_ACTION (action));
780 g_signal_connect (action, "change-state", G_CALLBACK (toggle_changed), NULL);
781 g_object_unref (action);
782 g_menu_insert (G_MENU (m), 1, "Italic", "italic");
783 gtk_list_store_prepend (GTK_LIST_STORE (store), &iter);
784 gtk_list_store_set (GTK_LIST_STORE (store), &iter,
790 g_simple_action_group_remove (G_SIMPLE_ACTION_GROUP (group), "italic");
791 g_menu_remove (G_MENU (m), 1);
792 gtk_tree_model_get_iter_first (store, &iter);
793 gtk_list_store_remove (GTK_LIST_STORE (store), &iter);
798 create_add_remove_buttons (GActionGroup *group,
805 box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
807 button = gtk_check_button_new_with_label ("Add Italic");
808 gtk_container_add (GTK_CONTAINER (box), button);
810 g_object_set_data (G_OBJECT (button), "group", group);
811 g_object_set_data (G_OBJECT (button), "model", model);
813 g_signal_connect (button, "toggled",
814 G_CALLBACK (toggle_italic), treeview);
816 button = gtk_check_button_new_with_label ("Add Sumerian");
817 gtk_container_add (GTK_CONTAINER (box), button);
819 g_object_set_data (G_OBJECT (button), "group", group);
820 g_object_set_data (G_OBJECT (button), "model", model);
822 g_signal_connect (button, "toggled",
823 G_CALLBACK (toggle_sumerian), NULL);
831 button_clicked (GtkButton *button,
836 menu = menu_holder_get_menu (holder);
837 gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, 0, 0);
841 main (int argc, char *argv[])
851 GDBusConnection *bus;
852 GError *error = NULL;
853 gboolean do_export = FALSE;
854 gboolean do_import = FALSE;
855 GOptionEntry entries[] = {
856 { "export", 0, 0, G_OPTION_ARG_NONE, &do_export, "Export actions and menus over D-Bus", NULL },
857 { "import", 0, 0, G_OPTION_ARG_NONE, &do_import, "Use exported actions and menus", NULL },
861 gtk_init_with_args (&argc, &argv, NULL, entries, NULL, NULL);
863 if (do_export && do_import)
865 g_error ("can't have it both ways\n");
869 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
870 box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
871 gtk_container_add (GTK_CONTAINER (window), box);
873 bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
877 g_print ("Getting menus from the bus...\n");
878 model = (GMenuModel*)g_menu_proxy_get (bus, "org.gtk.TestMenus", "/path");
879 g_print ("Getting actions from the bus...\n");
880 group = (GActionGroup*)g_dbus_action_group_new_sync (bus, "org.gtk.TestMenus", "/path", 0, NULL, NULL);
884 group = get_group ();
885 model = get_model ();
887 tv = create_action_treeview (group);
888 gtk_container_add (GTK_CONTAINER (box), tv);
889 buttons = create_add_remove_buttons (group, model, tv);
890 gtk_container_add (GTK_CONTAINER (box), buttons);
895 g_print ("Exporting menus on the bus...\n");
896 if (!g_menu_exporter_export (bus, "/path", model, &error))
898 g_warning ("Menu export failed: %s", error->message);
901 g_print ("Exporting actions on the bus...\n");
902 if (!g_action_group_exporter_export (bus, "/path", group, &error))
904 g_warning ("Action export failed: %s", error->message);
907 g_bus_own_name_on_connection (bus, "org.gtk.TestMenus",
908 0, NULL, NULL, NULL, NULL);
912 holder = menu_holder_new (model, group);
913 button = gtk_button_new_with_label ("Click here");
914 g_signal_connect (button, "clicked",
915 G_CALLBACK (button_clicked), holder);
916 gtk_container_add (GTK_CONTAINER (box), button);
919 gtk_widget_show_all (window);
927 /* vim:set foldmethod=marker: */