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89a0d72439
* Removed the Qt3Support library from the build system. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// rdoneshot.cpp
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//
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// A class for providing one-shot single use timers.
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//
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// (C) Copyright 2008,2016 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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// This program 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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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <rdoneshot.h>
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RDOneShot::RDOneShot(QObject *parent)
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: QObject(parent)
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{
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//
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// Timeout Mapper
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//
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shot_count=0;
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shot_mapper=new QSignalMapper(this);
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connect(shot_mapper,SIGNAL(mapped(int)),this,SLOT(timeoutData(int)));
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//
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// Zombie Timer
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//
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shot_zombie_timer=new QTimer(this);
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connect(shot_zombie_timer,SIGNAL(timeout()),this,SLOT(zombieData()));
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}
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void RDOneShot::start(int value,int msecs)
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{
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shot_values[shot_count]=value;
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shot_timers[shot_count]=new QTimer(this);
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shot_timers[shot_count]->setSingleShot(true);
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shot_mapper->setMapping(shot_timers[shot_count],shot_count);
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connect(shot_timers[shot_count],SIGNAL(timeout()),
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shot_mapper,SLOT(map()));
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shot_timers[shot_count]->start(msecs);
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shot_count++;
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}
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void RDOneShot::timeoutData(int id)
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{
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emit timeout(shot_values[id]);
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shot_zombie_timer->start(10);
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}
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void RDOneShot::zombieData()
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{
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for(std::map<int,QTimer *>::iterator it=shot_timers.begin();
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it!=shot_timers.end();it++) {
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if(!it->second->isActive()) {
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shot_values.erase(it->first);
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delete it->second;
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shot_timers.erase(it);
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}
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}
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}
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