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Thread murderalization enhancement

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This commit is contained in:
Mark Watkins 2011-09-01 12:06:38 +10:00
parent 7169f20c50
commit f0cf7a84a9
2 changed files with 14 additions and 9 deletions
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20
Graphs/gGraphView.cpp
View File

@ -298,14 +298,16 @@ gThread::gThread(gGraph *g)
}
void gThread::run()
{
while (this->isRunning()) {
mutex.lock();
int originX=m_lastbounds.x();
int originY=m_lastbounds.y();
int width=m_lastbounds.width();
int height=m_lastbounds.height();
graph->paint(originX,originY,width,height);
graph->threadDone();
m_running=true;
while (m_running) {
if (mutex.tryLock(1000)) {
int originX=m_lastbounds.x();
int originY=m_lastbounds.y();
int width=m_lastbounds.width();
int height=m_lastbounds.height();
graph->paint(originX,originY,width,height);
graph->threadDone();
}
}
}
void gThread::paint(int originX, int originY, int width, int height)
@ -343,6 +345,8 @@ gGraph::gGraph(gGraphView *graphview,QString title,int height,short group) :
gGraph::~gGraph()
{
if (m_graphview->useThreads()) {
m_thread->die();
m_thread->wait();
m_thread->exit();
}
delete m_thread;

3
Graphs/gGraphView.h
View File

@ -163,11 +163,12 @@ public:
gThread(gGraph *g);
void run();
void paint(int originX, int originY, int width, int height);
void die() { m_running=false; }
QMutex mutex;
protected:
gGraph * graph;
QRect m_lastbounds;
volatile bool m_running;
};
class gGraph