1 /*
2 * this file is part of the oxygen gtk engine
3 * Copyright (c) 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
4 *
5 * This  library is free  software; you can  redistribute it and/or
6 * modify it  under  the terms  of the  GNU Lesser  General  Public
7 * License  as published  by the Free  Software  Foundation; either
8 * version 2 of the License, or(at your option ) any later version.
9 *
10 * This library is distributed  in the hope that it will be useful,
11 * but  WITHOUT ANY WARRANTY; without even  the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License  along  with  this library;  if not,  write to  the Free
17 * Software Foundation, Inc., 51  Franklin St, Fifth Floor, Boston,
18 * MA 02110-1301, USA.
19 */
20 
21 #include "oxygentimer.h"
22 #include "../config.h"
23 
24 #include <gdk/gdk.h>
25 #include <iostream>
26 
27 namespace Oxygen
28 {
29 
30     //____________________________________________________
start(int delay,GSourceFunc func,gpointer data)31     void Timer::start( int delay, GSourceFunc func, gpointer data )
32     {
33 
34         // make sure timer is not already running
35         g_return_if_fail( _timerId == 0 );
36 
37         _func = func;
38         _data = data;
39         _timerId = gdk_threads_add_timeout( delay, (GSourceFunc)timeOut, this );
40 
41     }
42 
43     //____________________________________________________
timeOut(gpointer data)44     gboolean Timer::timeOut( gpointer data )
45     {
46 
47         // cast to timer, and execute relevant function
48         Timer& timer( *static_cast<Timer*>( data ) );
49         gboolean result = (timer._func)( timer._data );
50 
51         // make sure timerId is properly reset if the embedded function returns false
52         if( !result ) timer.reset();
53         return result;
54 
55     }
56 
57 }
58