non/FL/menu_popup.C

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/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU General Public License as published by the */
/* Free Software Foundation; either version 2 of the License, or (at your */
/* option) any later version. */
/* */
/* This program 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 General Public License for */
/* more details. */
/* */
/* You should have received a copy of the GNU General Public License along */
/* with This program; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#include <FL/Fl.H>
#include <FL/Fl_Menu_.H>
#include <FL/Fl_Menu_Item.H>
/** popup menu and execute callback */
bool
menu_popup ( Fl_Menu_ *m, int X, int Y )
{
const Fl_Menu_Item *r = m->menu()->popup( X, Y, m->label() );
if ( r )
{
m->value( r );
if ( r->callback() )
r->do_callback( static_cast<Fl_Widget*>(m) );
else if ( m->callback() )
m->do_callback( static_cast<Fl_Widget*>(m), m->user_data() );
return true;
}
return false;
}
/** popup menu and execute callback */
bool
menu_popup ( Fl_Menu_ *m )
{
return menu_popup( m, Fl::event_x(), Fl::event_y() );
}
/** set a single callback for all items in menu. */
void
menu_set_callback( Fl_Menu_Item *menu, void (*callback)( Fl_Widget *, void * ), void *user_data )
{
for ( int i = menu->size(); i--; )
if ( menu[i].label() && ! menu[i].submenu() )
{
menu[i].callback( callback );
menu[i].user_data( user_data );
}
}