Re: Not disabling menu item accelerator when hiding menu bar, ...

[Yeti]

On Tue, Feb 27, 2007 at 03:13:48PM -0800, Daniel Yek wrote:
> I'm looking for the most convenient way to keep menu item accelerator 
> functioning when the application has to hide the menu bar from view. Any 
> suggestion?

An example demonstrating the kluge I have been using is
enclosed.

Yeti


--
Whatever.


======================================================================
#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>

int
main(int argc, char *argv[])
{
    static const struct { const gchar *label; guint key; GCallback callback; }
    items[] = {
        { "_Show Menubar", GDK_S, G_CALLBACK(gtk_widget_show) },
        { "_Hide Menubar", GDK_H, G_CALLBACK(gtk_widget_hide) },
        { "_Quit", GDK_Q, G_CALLBACK(gtk_main_quit) },
    };
    GtkWidget *window, *vbox, *menubar, *menu, *item;
    GtkAccelGroup *accel_group;
    guint i;

    gtk_init(&argc, &argv);

    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_default_size(GTK_WINDOW(window), 400, 300);
    g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);

    accel_group = gtk_accel_group_new();
    gtk_window_add_accel_group(GTK_WINDOW(window), accel_group);
    g_object_unref(accel_group);

    vbox = gtk_vbox_new(FALSE, 0);
    gtk_container_add(GTK_CONTAINER(window), vbox);

    /* Menu bar */
    menubar = gtk_menu_bar_new();
    gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);

    item = gtk_menu_item_new_with_mnemonic("_Foo");
    gtk_menu_shell_append(GTK_MENU_SHELL(menubar), item);

    menu = gtk_menu_new();
    gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), menu);
    for (i = 0; i < G_N_ELEMENTS(items); i++) {
        item = gtk_menu_item_new_with_mnemonic(items[i].label);
        gtk_widget_add_accelerator(item, "activate", accel_group,
                                   items[i].key, GDK_CONTROL_MASK,
                                   GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);
        gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
        g_signal_connect_swapped(item, "activate", items[i].callback, menubar);
    }

    /* Dummy popup menu */
    menu = gtk_menu_new();
    gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
    for (i = 0; i < G_N_ELEMENTS(items); i++) {
        item = gtk_menu_item_new_with_mnemonic(items[i].label);
        gtk_widget_add_accelerator(item, "activate", accel_group,
                                   items[i].key, GDK_CONTROL_MASK,
                                   GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);
        gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
        g_signal_connect_swapped(item, "activate", items[i].callback, menubar);
    }
    gtk_widget_show_all(menu);

    /* The rest */
    gtk_box_pack_start(GTK_BOX(vbox),
                       gtk_label_new("Place your bloody application here."),
                       TRUE, TRUE, 0);

    gtk_widget_show_all(window);
    gtk_main();

    return 0;
}

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