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new class for controlling high res touchpads

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This commit is contained in:
Luis Ángel San Martín
2015-01-23 18:53:59 +01:00
parent 976935b86d
commit d7a99ec639
8 changed files with 434 additions and 375 deletions
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59
common/yacreader_flow_gl.cpp
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@ -247,11 +247,6 @@ YACReaderFlowGL::YACReaderFlowGL(QWidget *parent,struct Preset p)
setFormat(f);
timerId = startTimer(updateInterval);
wheelTimer = new QTime();
wheelTimer->start();
wheelAccumulator = 0;
}
void YACReaderFlowGL::timerEvent(QTimerEvent * event)
@ -1049,51 +1044,19 @@ void YACReaderFlowGL::render()
#include "QsLog.h"
void YACReaderFlowGL::wheelEvent(QWheelEvent * event)
{
/*QLOG_DEBUG() << "WheelEvent angle delta : " << event->angleDelta();
QLOG_DEBUG() << "WheelEvent pixel delta : " << event->pixelDelta();*/
/*if(event->delta()<0)
showNext();
else
showPrevious();
event->accept();*/
int tooFast = 1;
int timeThrottle = 16;
int minimumMove = 70;
//avoid any events overflood
if((wheelTimer->elapsed() < tooFast)){
event->setAccepted(true);
Movement m = getMovement(event);
switch (m) {
case None:
return;
case Forward:
showNext();
break;
case Backward:
showPrevious();
break;
default:
break;
}
// Accumulate the delta
if(event->delta()<0 != wheelAccumulator<0 ) //different sign means change in direction
wheelAccumulator = 0;
wheelAccumulator += event->delta();
//Do not process events too fast
if((wheelTimer->elapsed() < timeThrottle)){
event->setAccepted(true);
return;
}
//small intervals are ignored until with have enough acumulated delta
if((wheelAccumulator < minimumMove) && (wheelAccumulator > -minimumMove)){
event->setAccepted(true);
return;
}
if(wheelAccumulator<0)
showNext();
else
showPrevious();
event->accept();
//Clean up
wheelAccumulator = 0;
wheelTimer->restart();
}
void YACReaderFlowGL::keyPressEvent(QKeyEvent *event)