70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/*
|
|
Copyright (C) 2001-2006, William Joseph.
|
|
All Rights Reserved.
|
|
|
|
This file is part of GtkRadiant.
|
|
|
|
GtkRadiant 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.
|
|
|
|
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#if !defined( INCLUDED_GTKUTIL_IDLEDRAW_H )
|
|
#define INCLUDED_GTKUTIL_IDLEDRAW_H
|
|
|
|
#include <glib.h>
|
|
|
|
#include "generic/callback.h"
|
|
|
|
class IdleDraw {
|
|
Callback<void()> m_draw;
|
|
unsigned int m_handler;
|
|
|
|
static gboolean draw(gpointer data)
|
|
{
|
|
reinterpret_cast<IdleDraw *>( data )->m_draw();
|
|
reinterpret_cast<IdleDraw *>( data )->m_handler = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
public:
|
|
IdleDraw(const Callback<void()> &draw) : m_draw(draw), m_handler(0)
|
|
{
|
|
}
|
|
|
|
~IdleDraw()
|
|
{
|
|
if (m_handler != 0) {
|
|
g_source_remove(m_handler);
|
|
}
|
|
}
|
|
|
|
void queueDraw()
|
|
{
|
|
if (m_handler == 0) {
|
|
m_handler = g_idle_add(&draw, this);
|
|
}
|
|
}
|
|
|
|
typedef MemberCaller<IdleDraw, void(), &IdleDraw::queueDraw> QueueDrawCaller;
|
|
|
|
void flush()
|
|
{
|
|
if (m_handler != 0) {
|
|
draw(this);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
#endif
|