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.
28 * - Debug initial click problem.
30 * - Dynamic changes. Add/Remove items, sections, submenus and
31 * reconstruct the widgetry.
33 * - Focus changes. Verify that stopping subscriptions works
36 * - Other attributes. What about icons ?
39 /* GtkMenu construction {{{1 */
42 enabled_changed (GActionGroup *group,
43 const gchar *action_name,
47 gtk_widget_set_sensitive (widget, enabled);
57 activate_item (GtkWidget *w, gpointer data)
61 a = g_object_get_data (G_OBJECT (w), "activation");
63 g_action_group_activate_action (a->group, a->name, NULL);
67 toggle_item_toggled (GtkCheckMenuItem *w, gpointer data)
72 a = g_object_get_data (G_OBJECT (w), "activation");
73 b = gtk_check_menu_item_get_active (w);
74 g_action_group_change_action_state (a->group, a->name,
75 g_variant_new_boolean (b));
79 toggle_state_changed (GActionGroup *group,
84 gtk_check_menu_item_set_active (w, g_variant_get_boolean (state));
88 radio_item_toggled (GtkCheckMenuItem *w, gpointer data)
93 a = g_object_get_data (G_OBJECT (w), "activation");
94 /*g_print ("Radio item %s toggled\n", a->name);*/
95 if (gtk_check_menu_item_get_active (w))
96 g_action_group_change_action_state (a->group, a->name,
97 g_variant_new_string (a->target));
100 v = g_action_group_get_action_state (a->group, a->name);
101 if (g_strcmp0 (g_variant_get_string (v, NULL), a->target) == 0)
102 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), TRUE);
108 radio_state_changed (GActionGroup *group,
116 /*g_print ("Radio state changed %s\n", name);*/
117 a = g_object_get_data (G_OBJECT (w), "activation");
118 b = g_strcmp0 (a->target, g_variant_get_string (state, NULL)) == 0;
120 gtk_check_menu_item_set_active (w, b);
124 create_menuitem_from_model (GMenuModelItem *item,
133 const GVariantType *type;
136 g_menu_model_item_get_attribute (item, G_MENU_ATTRIBUTE_LABEL, "s", &label);
139 g_menu_model_item_get_attribute (item, G_MENU_ATTRIBUTE_ACTION, "s", &action);
142 type = g_action_group_get_action_state_type (group, action);
147 w = gtk_menu_item_new_with_mnemonic (label);
148 else if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
149 w = gtk_check_menu_item_new_with_label (label);
150 else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
152 w = gtk_check_menu_item_new_with_label (label);
153 gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (w), TRUE);
156 g_assert_not_reached ();
160 if (!g_action_group_get_action_enabled (group, action))
161 gtk_widget_set_sensitive (w, FALSE);
163 s = g_strconcat ("action-enabled-changed::", action, NULL);
164 g_signal_connect (group, s, G_CALLBACK (enabled_changed), w);
167 a = g_new0 (Activation, 1);
170 g_object_set_data_full (G_OBJECT (w), "activation", a, g_free);
173 g_signal_connect (w, "activate", G_CALLBACK (activate_item), NULL);
174 else if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
176 g_signal_connect (w, "toggled", G_CALLBACK (toggle_item_toggled), NULL);
177 s = g_strconcat ("action-state-changed::", action, NULL);
178 g_signal_connect (group, s, G_CALLBACK (toggle_state_changed), w);
180 v = g_action_group_get_action_state (group, action);
181 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w),
182 g_variant_get_boolean (v));
185 else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
187 g_signal_connect (w, "toggled", G_CALLBACK (radio_item_toggled), NULL);
188 s = g_strconcat ("action-state-changed::", action, NULL);
189 g_signal_connect (group, s, G_CALLBACK (radio_state_changed), w);
191 g_menu_model_item_get_attribute (item, G_MENU_ATTRIBUTE_TARGET, "s", &target);
193 v = g_action_group_get_action_state (group, action);
194 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w),
195 g_strcmp0 (g_variant_get_string (v, NULL), target) == 0);
205 static GtkWidget *create_menu_from_model (GMenuModel *model,
206 GActionGroup *group);
209 append_items_from_model (GtkWidget *menu,
212 gboolean *need_separator)
221 n = g_menu_model_get_n_items (model);
223 if (*need_separator && n > 0)
225 /* TODO section heading */
226 w = gtk_separator_menu_item_new ();
228 gtk_menu_shell_append (GTK_MENU_SHELL (menu), w);
230 *need_separator = FALSE;
233 for (i = 0; i < n; i++)
235 g_menu_model_get_item (model, i, &item);
236 if ((m = g_menu_model_item_get_link (&item, G_MENU_LINK_SECTION)))
238 append_items_from_model (menu, m, group, need_separator);
242 menuitem = create_menuitem_from_model (&item, group);
244 if ((m = g_menu_model_item_get_link (&item, G_MENU_LINK_SUBMENU)))
245 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu_from_model (m, group));
247 gtk_widget_show (menuitem);
248 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
250 *need_separator = TRUE;
255 create_menu_from_model (GMenuModel *model,
259 gboolean need_separator;
262 need_separator = FALSE;
263 append_items_from_model (w, model, group, &need_separator);
268 /* The example menu {{{1 */
270 static const gchar menu_markup[] =
271 "<menu id='edit-menu'>\n"
273 " <item label='Undo' action='undo'/>\n"
274 " <item label='Redo' action='redo'/>\n"
276 " <section></section>\n"
277 " <section label='Copy & Paste'>\n"
278 " <item label='Cut' action='cut'/>\n"
279 " <item label='Copy' action='copy'/>\n"
280 " <item label='Paste' action='paste'/>\n"
283 " <item label='Bold' action='bold'/>\n"
284 " <submenu label='Language'>\n"
285 " <item label='Latin' action='lang' target='latin'/>\n"
286 " <item label='Greek' action='lang' target='greek'/>\n"
287 " <item label='Urdu' action='lang' target='urdu'/>\n"
293 start_element (GMarkupParseContext *context,
294 const gchar *element_name,
295 const gchar **attribute_names,
296 const gchar **attribute_values,
300 if (strcmp (element_name, "menu") == 0)
301 g_menu_markup_parser_start_menu (context, NULL);
305 end_element (GMarkupParseContext *context,
306 const gchar *element_name,
310 GMenu **menu = user_data;
312 if (strcmp (element_name, "menu") == 0)
313 *menu = g_menu_markup_parser_end_menu (context);
316 static const GMarkupParser parser = {
317 start_element, end_element, NULL, NULL, NULL
323 GMarkupParseContext *context;
325 GError *error = NULL;
327 context = g_markup_parse_context_new (&parser, 0, &menu, NULL);
328 if (!g_markup_parse_context_parse (context, menu_markup, -1, &error))
330 g_warning ("menu parsing failed: %s\n", error->message);
333 g_markup_parse_context_free (context);
336 return G_MENU_MODEL (menu);
339 /* The example actions {{{1 */
342 activate_action (GSimpleAction *action, GVariant *parameter, gpointer user_data)
344 g_print ("Action %s activated\n", g_action_get_name (G_ACTION (action)));
348 toggle_changed (GSimpleAction *action, GVariant *value, gpointer user_data)
350 g_print ("Toggle action %s state changed to %d\n",
351 g_action_get_name (G_ACTION (action)),
352 g_variant_get_boolean (value));
354 g_simple_action_set_state (action, value);
358 radio_changed (GSimpleAction *action, GVariant *value, gpointer user_data)
360 g_print ("Radio action %s state changed to %s\n",
361 g_action_get_name (G_ACTION (action)),
362 g_variant_get_string (value, NULL));
364 g_simple_action_set_state (action, value);
367 static GActionEntry actions[] = {
368 { "undo", activate_action, NULL, NULL, NULL },
369 { "redo", activate_action, NULL, NULL, NULL },
370 { "cut", activate_action, NULL, NULL, NULL },
371 { "copy", activate_action, NULL, NULL, NULL },
372 { "paste", activate_action, NULL, NULL, NULL },
373 { "bold", NULL, NULL, "true", toggle_changed },
374 { "lang", NULL, NULL, "'latin'", radio_changed },
377 static GActionGroup *
380 GSimpleActionGroup *group;
382 group = g_simple_action_group_new ();
384 g_simple_action_group_add_entries (group, actions, G_N_ELEMENTS (actions), NULL);
386 return G_ACTION_GROUP (group);
389 /* The action treeview {{{1 */
392 enabled_cell_func (GtkTreeViewColumn *column,
393 GtkCellRenderer *cell,
398 GActionGroup *group = data;
402 gtk_tree_model_get (model, iter, 0, &name, -1);
403 enabled = g_action_group_get_action_enabled (group, name);
406 gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell), enabled);
410 state_cell_func (GtkTreeViewColumn *column,
411 GtkCellRenderer *cell,
416 GActionGroup *group = data;
420 gtk_tree_model_get (model, iter, 0, &name, -1);
421 state = g_action_group_get_action_state (group, name);
424 gtk_cell_renderer_set_visible (cell, FALSE);
425 g_object_set (cell, "mode", GTK_CELL_RENDERER_MODE_INERT, NULL);
428 g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN) &&
429 GTK_IS_CELL_RENDERER_TOGGLE (cell))
431 gtk_cell_renderer_set_visible (cell, TRUE);
432 g_object_set (cell, "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
433 gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell),
434 g_variant_get_boolean (state));
437 g_variant_is_of_type (state, G_VARIANT_TYPE_STRING) &&
438 GTK_IS_CELL_RENDERER_COMBO (cell))
440 gtk_cell_renderer_set_visible (cell, TRUE);
441 g_object_set (cell, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
442 g_object_set (cell, "text", g_variant_get_string (state, NULL), NULL);
446 g_variant_unref (state);
450 enabled_cell_toggled (GtkCellRendererToggle *cell,
451 const gchar *path_str,
461 group = g_object_get_data (G_OBJECT (model), "group");
462 path = gtk_tree_path_new_from_string (path_str);
463 gtk_tree_model_get_iter (model, &iter, path);
464 gtk_tree_model_get (model, &iter, 0, &name, -1);
466 enabled = g_action_group_get_action_enabled (group, name);
467 action = g_simple_action_group_lookup (G_SIMPLE_ACTION_GROUP (group), name);
468 g_simple_action_set_enabled (G_SIMPLE_ACTION (action), !enabled);
470 gtk_tree_model_row_changed (model, path, &iter);
473 gtk_tree_path_free (path);
477 state_cell_toggled (GtkCellRendererToggle *cell,
478 const gchar *path_str,
488 group = g_object_get_data (G_OBJECT (model), "group");
489 path = gtk_tree_path_new_from_string (path_str);
490 gtk_tree_model_get_iter (model, &iter, path);
491 gtk_tree_model_get (model, &iter, 0, &name, -1);
493 state = g_action_group_get_action_state (group, name);
494 action = g_simple_action_group_lookup (G_SIMPLE_ACTION_GROUP (group), name);
495 if (state && g_variant_is_of_type (state, G_VARIANT_TYPE_BOOLEAN))
499 b = g_variant_get_boolean (state);
500 g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_boolean (!b));
507 gtk_tree_model_row_changed (model, path, &iter);
510 gtk_tree_path_free (path);
512 g_variant_unref (state);
516 state_cell_edited (GtkCellRendererCombo *cell,
517 const gchar *path_str,
518 const gchar *new_text,
527 group = g_object_get_data (G_OBJECT (model), "group");
528 path = gtk_tree_path_new_from_string (path_str);
529 gtk_tree_model_get_iter (model, &iter, path);
530 gtk_tree_model_get (model, &iter, 0, &name, -1);
531 action = g_simple_action_group_lookup (G_SIMPLE_ACTION_GROUP (group), name);
532 g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_string (new_text));
534 gtk_tree_model_row_changed (model, path, &iter);
537 gtk_tree_path_free (path);
541 create_action_treeview (GActionGroup *group)
545 GtkListStore *values;
547 GtkTreeViewColumn *column;
548 GtkCellRenderer *cell;
552 store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
553 actions = g_action_group_list_actions (group);
554 for (i = 0; actions[i]; i++)
556 gtk_list_store_append (store, &iter);
557 gtk_list_store_set (store, &iter, 0, actions[i], -1);
559 g_strfreev (actions);
560 g_object_set_data (G_OBJECT (store), "group", group);
562 tv = gtk_tree_view_new ();
564 g_signal_connect_swapped (group, "action-enabled-changed",
565 G_CALLBACK (gtk_widget_queue_draw), tv);
566 g_signal_connect_swapped (group, "action-state-changed",
567 G_CALLBACK (gtk_widget_queue_draw), tv);
569 gtk_tree_view_set_model (GTK_TREE_VIEW (tv), GTK_TREE_MODEL (store));
571 cell = gtk_cell_renderer_text_new ();
572 column = gtk_tree_view_column_new_with_attributes ("Action", cell,
575 gtk_tree_view_append_column (GTK_TREE_VIEW (tv), column);
577 column = gtk_tree_view_column_new ();
578 gtk_tree_view_column_set_title (column, "Enabled");
579 cell = gtk_cell_renderer_toggle_new ();
580 gtk_tree_view_column_pack_start (column, cell, FALSE);
581 gtk_tree_view_column_set_cell_data_func (column, cell, enabled_cell_func, group, NULL);
582 g_signal_connect (cell, "toggled", G_CALLBACK (enabled_cell_toggled), store);
583 gtk_tree_view_append_column (GTK_TREE_VIEW (tv), column);
585 column = gtk_tree_view_column_new ();
586 gtk_tree_view_column_set_title (column, "State");
587 cell = gtk_cell_renderer_toggle_new ();
588 gtk_tree_view_column_pack_start (column, cell, FALSE);
589 gtk_tree_view_column_set_cell_data_func (column, cell, state_cell_func, group, NULL);
590 g_signal_connect (cell, "toggled", G_CALLBACK (state_cell_toggled), store);
591 cell = gtk_cell_renderer_combo_new ();
592 values = gtk_list_store_new (1, G_TYPE_STRING);
593 gtk_list_store_append (values, &iter);
594 gtk_list_store_set (values, &iter, 0, "latin", -1);
595 gtk_list_store_append (values, &iter);
596 gtk_list_store_set (values, &iter, 0, "greek", -1);
597 gtk_list_store_append (values, &iter);
598 gtk_list_store_set (values, &iter, 0, "urdu", -1);
599 gtk_list_store_append (values, &iter);
600 gtk_list_store_set (values, &iter, 0, "sumerian", -1);
607 gtk_tree_view_column_pack_start (column, cell, FALSE);
608 gtk_tree_view_column_set_cell_data_func (column, cell, state_cell_func, group, NULL);
609 g_signal_connect (cell, "edited", G_CALLBACK (state_cell_edited), store);
610 gtk_tree_view_append_column (GTK_TREE_VIEW (tv), column);
615 /* Dynamic menu changes {{{1 */
618 toggle_sumerian (GtkToggleButton *button, gpointer data)
624 model = g_object_get_data (G_OBJECT (button), "model");
626 adding = gtk_toggle_button_get_active (button);
628 m = g_menu_model_get_item_link (model, g_menu_model_get_n_items (model) - 1, G_MENU_LINK_SECTION);
629 m = g_menu_model_get_item_link (m, g_menu_model_get_n_items (m) - 1, G_MENU_LINK_SUBMENU);
631 g_menu_append (G_MENU (m), "Sumerian", "lang::sumerian");
633 g_menu_remove (G_MENU (m), g_menu_model_get_n_items (m) - 1);
637 toggle_italic (GtkToggleButton *button, gpointer data)
641 GSimpleAction *action;
644 GtkTreeView *tv = data;
648 model = g_object_get_data (G_OBJECT (button), "model");
649 group = g_object_get_data (G_OBJECT (button), "group");
651 store = gtk_tree_view_get_model (tv);
653 adding = gtk_toggle_button_get_active (button);
655 m = g_menu_model_get_item_link (model, g_menu_model_get_n_items (model) - 1, G_MENU_LINK_SECTION);
658 action = g_simple_action_new_stateful ("italic", NULL, g_variant_new_boolean (FALSE));
659 g_simple_action_group_insert (G_SIMPLE_ACTION_GROUP (group),
661 g_object_unref (action);
662 g_menu_insert (G_MENU (m), 1, "Italic", "italic");
663 gtk_list_store_prepend (GTK_LIST_STORE (store), &iter);
664 gtk_list_store_set (GTK_LIST_STORE (store), &iter,
670 g_simple_action_group_remove (G_SIMPLE_ACTION_GROUP (group), "italic");
671 g_menu_remove (G_MENU (m), 1);
672 gtk_tree_model_get_iter_first (store, &iter);
673 gtk_list_store_remove (GTK_LIST_STORE (store), &iter);
678 create_add_remove_buttons (GActionGroup *group,
685 box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
687 button = gtk_check_button_new_with_label ("Add Italic");
688 gtk_container_add (GTK_CONTAINER (box), button);
690 g_object_set_data (G_OBJECT (button), "group", group);
691 g_object_set_data (G_OBJECT (button), "model", model);
693 g_signal_connect (button, "toggled",
694 G_CALLBACK (toggle_italic), treeview);
696 button = gtk_check_button_new_with_label ("Add Sumerian");
697 gtk_container_add (GTK_CONTAINER (box), button);
699 g_object_set_data (G_OBJECT (button), "group", group);
700 g_object_set_data (G_OBJECT (button), "model", model);
702 g_signal_connect (button, "toggled",
703 G_CALLBACK (toggle_sumerian), NULL);
708 /* The menu button {{{1 */
711 button_clicked (GtkButton *button, gpointer data)
717 menu = g_object_get_data (G_OBJECT (button), "menu");
720 model = g_object_get_data (G_OBJECT (button), "model");
721 group = g_object_get_data (G_OBJECT (button), "group");
722 menu = create_menu_from_model (model, group);
723 g_object_set_data_full (G_OBJECT (button), "menu", menu, (GDestroyNotify)gtk_widget_destroy);
726 gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, 0, 0);
730 action_added (GActionGroup *group,
734 g_print ("Received GActionGroup::action-added\n");
738 action_removed (GActionGroup *group,
742 g_print ("Received GActionGroup::action-removed\n");
746 recursively_connect_to_items_changed (GMenuModel *model,
754 if (!g_object_get_data (G_OBJECT (model), "handler-connected"))
756 g_signal_connect (model, "items-changed", callback, data);
757 g_object_set_data (G_OBJECT (model), "handler-connected", GINT_TO_POINTER (1));
759 for (i = 0; i < g_menu_model_get_n_items (model); i++)
761 iter = g_menu_model_iterate_item_links (model, i);
762 while (g_menu_link_iter_next (iter))
764 m = g_menu_link_iter_get_value (iter);
765 recursively_connect_to_items_changed (m, callback, data);
768 g_object_unref (iter);
773 items_changed (GMenuModel *model,
779 g_print ("Received GMenuModel::items-changed\n");
780 g_object_set_data (G_OBJECT (button), "menu", NULL);
781 recursively_connect_to_items_changed (model, G_CALLBACK (items_changed), button);
785 create_menu_button (GMenuModel *model, GActionGroup *group)
789 button = gtk_button_new_with_label ("Click here");
790 g_object_set_data (G_OBJECT (button), "model", model);
791 g_object_set_data (G_OBJECT (button), "group", group);
793 g_signal_connect (button, "clicked", G_CALLBACK (button_clicked), NULL);
794 recursively_connect_to_items_changed (model, G_CALLBACK (items_changed), button);
795 g_signal_connect (group, "action-added", G_CALLBACK (action_added), NULL);
796 g_signal_connect (group, "action-removed", G_CALLBACK (action_removed), NULL);
804 main (int argc, char *argv[])
813 GDBusConnection *bus;
814 GError *error = NULL;
815 gboolean do_export = FALSE;
816 gboolean do_import = FALSE;
817 GOptionEntry entries[] = {
818 { "export", 0, 0, G_OPTION_ARG_NONE, &do_export, "Export actions and menus over D-Bus", NULL },
819 { "import", 0, 0, G_OPTION_ARG_NONE, &do_import, "Use exported actions and menus", NULL },
823 gtk_init_with_args (&argc, &argv, NULL, entries, NULL, NULL);
825 if (do_export && do_import)
827 g_error ("can't have it both ways\n");
831 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
832 box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
833 gtk_container_add (GTK_CONTAINER (window), box);
835 bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
839 g_print ("Getting menus from the bus...\n");
840 model = (GMenuModel*)g_menu_proxy_get (bus, "org.gtk.TestMenus", "/path");
841 g_print ("Getting actions from the bus...\n");
842 group = (GActionGroup*)g_dbus_action_group_new_sync (bus, "org.gtk.TestMenus", "/path", 0, NULL, NULL);
846 group = get_group ();
847 model = get_model ();
849 tv = create_action_treeview (group);
850 gtk_container_add (GTK_CONTAINER (box), tv);
851 buttons = create_add_remove_buttons (group, model, tv);
852 gtk_container_add (GTK_CONTAINER (box), buttons);
857 g_print ("Exporting menus on the bus...\n");
858 if (!g_menu_exporter_export (bus, "/path", model, &error))
860 g_warning ("Menu export failed: %s", error->message);
863 g_print ("Exporting actions on the bus...\n");
864 if (!g_action_group_exporter_export (bus, "/path", group, &error))
866 g_warning ("Action export failed: %s", error->message);
869 g_bus_own_name_on_connection (bus, "org.gtk.TestMenus",
870 0, NULL, NULL, NULL, NULL);
874 button = create_menu_button (model, group);
875 gtk_container_add (GTK_CONTAINER (box), button);
878 gtk_widget_show_all (window);
886 /* vim:set foldmethod=marker: */