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/*
BUILD:
gcc -shared -fPIC `pkg-config gtk+-x11-2.0 --cflags --libs` -o libwinmenu.so main.c
gcc -shared -fPIC `pkg-config gtk+-x11-3.0 --cflags --libs` -o libwinmenu3.so main.c
INSTALLATION:
cp libwinmenu.so /usr/lib/gtk-2.0/modules/libwinmenu.so
cp libwinmenu3.so /usr/lib/gtk-3.0/modules/libwinmenu.so
echo 'export GTK_MODULES=winmenu' >> ~/.profile or similar
*/
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkkeysyms-compat.h>
#define _gtk_marshal_VOID__VOID g_cclosure_marshal_VOID__VOID
#define _gtk_marshal_NONE__NONE _gtk_marshal_VOID__VOID
static GObject* (*old_gtk_menu_bar_constructor)(GType type, guint n_construct_properties, GObjectConstructParam *construct_params) = NULL;
static GObject* (*old_gtk_window_constructor)(GType type, guint n_construct_properties, GObjectConstructParam *construct_params) = NULL;
static void (*old_widget_show) (GtkWidget * widget) = NULL;
static void toggle_menu_bar (GtkWidget *widget, gpointer user_data)
{
GtkWidget * wdg = GTK_WIDGET(user_data);
GTK_WIDGET_GET_CLASS(wdg)->show = old_widget_show;
if (gtk_widget_get_visible (wdg))
gtk_widget_hide(wdg);
else
gtk_widget_show(wdg);
}
static void anchor_event (GtkWidget *widget, GtkWidget *previous_toplevel, gpointer user_data)
{
GtkWidget *toplevel = gtk_widget_get_toplevel (widget);
if (gtk_widget_is_toplevel (toplevel)) {
if (previous_toplevel)
g_signal_handlers_disconnect_by_func(previous_toplevel, G_CALLBACK(toggle_menu_bar), widget);
g_signal_connect (toplevel, "toggle-menu-bar", G_CALLBACK(toggle_menu_bar), widget);
}
}
static void show (GtkWidget *widget)
{
if (GTK_IS_MENU_BAR(widget))
return;
old_widget_show(widget);
}
GObject* new_gtk_menu_bar_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_params)
{
GObject * ret = old_gtk_menu_bar_constructor(type,n_construct_properties,construct_params);
g_signal_connect (ret, "hierarchy-changed", G_CALLBACK(anchor_event), NULL);
g_signal_connect (ret, "can_activate_accel", G_CALLBACK(gtk_true), NULL);
return ret;
}
G_MODULE_EXPORT void
gtk_module_init (gint * argc, gchar *** argv)
{
GtkWidget *fc;
GObjectClass *klass;
const gchar *app_whitelist = "terminal, gnome-terminal, gimp, mousepad, wingpanel";
if (strstr (app_whitelist, g_get_prgname()) != NULL)
return;
g_signal_new ("toggle-menu-bar",
GTK_TYPE_WINDOW,
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
0,
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE,
0);
fc = gtk_menu_bar_new();
klass = GTK_MENU_BAR_GET_CLASS(fc);
old_gtk_menu_bar_constructor = klass->constructor;
klass->constructor = new_gtk_menu_bar_constructor;
old_widget_show = GTK_WIDGET_CLASS(klass)->show;
GTK_WIDGET_CLASS(klass)->show = show;
fc = gtk_window_new(GTK_WINDOW_TOPLEVEL);
klass = GTK_WINDOW_GET_CLASS(fc);
gtk_binding_entry_add_signal (gtk_binding_set_by_class (klass), GDK_m, GDK_CONTROL_MASK,
"toggle-menu-bar", 0);
gtk_binding_entry_add_signal (gtk_binding_set_by_class (klass), GDK_m, GDK_MOD1_MASK,
"toggle-menu-bar", 0);
}
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