#include <gtk/gtk.h> GtkWidget *label; static void change_label_button () { gtk_label_set_label (GTK_LABEL (label), "Text set from button"); } static void normal_menu_item () { gtk_label_set_label (GTK_LABEL (label), "Text set from normal menu item"); } static void toggle_menu_item () { gtk_label_set_label (GTK_LABEL (label), "Text set from toggle menu item"); } static void submenu_item () { gtk_label_set_label (GTK_LABEL (label), "Text set from submenu item"); } static void radio (GSimpleAction *action, GVariant *parameter, gpointer user_data) { GVariant *new_state = g_variant_new_string (g_variant_get_string (parameter, NULL)); char *str; str = g_strdup_printf ("From Radio menu item %s", g_variant_get_string (new_state, NULL)); gtk_label_set_label (GTK_LABEL (label), str); g_free (str); } static const GActionEntry win_actions[] = { { "change-label-button", change_label_button, NULL, NULL, NULL }, { "normal-menu-item", normal_menu_item, NULL, NULL, NULL }, { "toggle-menu-item", toggle_menu_item, NULL, "true", NULL }, { "submenu-item", submenu_item, NULL, NULL, NULL }, { "radio", radio, "s", "1", NULL }, }; static const char *menu_data = "<interface>" " <menu id=\"menu_model\">" " <section>" " <item>" " <attribute name=\"label\">Normal Menu Item</attribute>" " <attribute name=\"action\">win.normal-menu-item</attribute>" " </item>" " <submenu>" " <attribute name=\"label\">Submenu</attribute>" " <item>" " <attribute name=\"label\">Submenu Item</attribute>" " <attribute name=\"action\">win.submenu-item</attribute>" " </item>" " </submenu>" " <item>" " <attribute name=\"label\">Toggle Menu Item</attribute>" " <attribute name=\"action\">win.toggle-menu-item</attribute>" " </item>" " </section>" " <section>" " <item>" " <attribute name=\"label\">Radio 1</attribute>" " <attribute name=\"action\">win.radio</attribute>" " <attribute name=\"target\">1</attribute>" " </item>" " <item>" " <attribute name=\"label\">Radio 2</attribute>" " <attribute name=\"action\">win.radio</attribute>" " <attribute name=\"target\">2</attribute>" " </item>" " <item>" " <attribute name=\"label\">Radio 3</attribute>" " <attribute name=\"action\">win.radio</attribute>" " <attribute name=\"target\">3</attribute>" " </item>" " </section>" " </menu>" "</interface>" ; int main (int argc, char **argv) { gtk_init (); GtkWidget *window = gtk_window_new (); GtkWidget *box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); GtkWidget *menubutton = gtk_menu_button_new (); GtkWidget *button1 = gtk_button_new_with_label ("Change Label Text"); GtkWidget *menu; GSimpleActionGroup *action_group; action_group = g_simple_action_group_new (); g_action_map_add_action_entries (G_ACTION_MAP (action_group), win_actions, G_N_ELEMENTS (win_actions), NULL); gtk_widget_insert_action_group (window, "win", G_ACTION_GROUP (action_group)); label = gtk_label_new ("Initial Text"); gtk_widget_set_margin_top (label, 12); gtk_widget_set_margin_bottom (label, 12); gtk_container_add (GTK_CONTAINER (box), label); gtk_widget_set_halign (menubutton, GTK_ALIGN_CENTER); { GMenuModel *menu_model; GtkBuilder *builder = gtk_builder_new_from_string (menu_data, -1); menu_model = G_MENU_MODEL (gtk_builder_get_object (builder, "menu_model")); menu = gtk_popover_menu_new_from_model (menu_model); } gtk_menu_button_set_popover (GTK_MENU_BUTTON (menubutton), menu); gtk_container_add (GTK_CONTAINER (box), menubutton); gtk_widget_set_halign (button1, GTK_ALIGN_CENTER); gtk_actionable_set_action_name (GTK_ACTIONABLE (button1), "win.change-label-button"); gtk_container_add (GTK_CONTAINER (box), button1); gtk_container_add (GTK_CONTAINER (window), box); gtk_widget_show (window); while (TRUE) g_main_context_iteration (NULL, TRUE); return 0; }