fltk/src/Fl_Menu_global.cxx

//
// "$Id$"
//
// Global menu shortcut code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2009 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//

// Make all the shortcuts in this menu global.
// Currently only one menu at a time and you cannot destruct the menu,
// is this sufficient?

#include <FL/Fl.H>
#include <FL/Fl_Menu_.H>

static Fl_Menu_* the_widget;

static int handler(int e) {
  if (e != FL_SHORTCUT || Fl::modal()) return 0;
  Fl::first_window(the_widget->window());
  return the_widget->handle(e);
}

/**
  Make the shortcuts for this menu work no matter what window has the
  focus when you type it.  This is done by using 
  Fl::add_handler().  This Fl_Menu_ widget does not
  have to be visible (ie the window it is in can be hidden, or it does
  not have to be put in a window at all).
  <P>Currently there can be only one global()menu.  Setting a new
  one will replace the old one.  There is no way to remove the 
  global() setting (so don't destroy the widget!)
*/
void Fl_Menu_::global() {
  if (!the_widget) Fl::add_handler(handler);
  the_widget = this;
}

//
// End of "$Id$".
//