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Reduce the refresh rate of the toolTipItem to 25fps.

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This reduces a lot of CPU time and makes the overall use of the tooltip a
breeze.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2015-01-16 16:45:13 -02:00 • committed by Dirk Hohndel
parent 67865a86be
commit ac40c458fa
2 changed files with 7 additions and 1 deletions
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5
qt-ui/profile/divetooltipitem.cpp
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@ -159,6 +159,7 @@ ToolTipItem::ToolTipItem(QGraphicsItem *parent) : QGraphicsRectItem(parent),
title->setBrush(Qt::white);
setPen(QPen(Qt::white, 2));
refreshTime.start();
}
ToolTipItem::~ToolTipItem()
@ -240,6 +241,10 @@ void ToolTipItem::refresh(const QPointF &pos)
static QPainter painter(&tissues);
static struct membuffer mb = { 0 };
if(refreshTime.elapsed() < 40)
return;
refreshTime.start();
int time = timeAxis->valueAt(pos);
if (time == lastTime)
return;