gtkradiant/libs/gtkutil/idledraw.h
TTimo 12b372f89c ok
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
2006-02-10 22:01:20 +00:00

69 lines
1.5 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/gmain.h>
#include "generic/callback.h"
class IdleDraw
{
Callback 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& 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, &IdleDraw::queueDraw> QueueDrawCaller;
void flush()
{
if(m_handler != 0)
{
draw(this);
}
}
};
#endif