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https://github.com/TTimo/GtkRadiant.git
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12b372f89c
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined(INCLUDED_GTKUTIL_IDLEDRAW_H)
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#define INCLUDED_GTKUTIL_IDLEDRAW_H
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#include <glib/gmain.h>
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#include "generic/callback.h"
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class IdleDraw
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{
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Callback m_draw;
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unsigned int m_handler;
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static gboolean draw(gpointer data)
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{
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reinterpret_cast<IdleDraw*>(data)->m_draw();
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reinterpret_cast<IdleDraw*>(data)->m_handler = 0;
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return FALSE;
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}
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public:
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IdleDraw(const Callback& draw) : m_draw(draw), m_handler(0)
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{
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}
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~IdleDraw()
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{
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if(m_handler != 0)
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{
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g_source_remove(m_handler);
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}
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}
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void queueDraw()
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{
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if(m_handler == 0)
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{
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m_handler = g_idle_add(&draw, this);
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}
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}
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typedef MemberCaller<IdleDraw, &IdleDraw::queueDraw> QueueDrawCaller;
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void flush()
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{
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if(m_handler != 0)
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{
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draw(this);
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}
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}
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};
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#endif
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