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/* gcc -shared `pkg-config gtk+-x11-2.0 --cflags --libs` -fPIC -o ~/.gtk_modmenubar.so gtk_modmenubar.c
* extern GTK_MODULES=/home/$USER/.gtk_modmenubar.so
* */
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.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_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_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 = "avidemux2_gtk, gvim";
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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