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Code Issues Projects Releases Activity

Fixed slider issues

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This commit is contained in:
Martin Tůma 2016-08-16 10:25:08 +02:00
parent 7993e4dcb3
commit d48a2aac93
1 changed files with 9 additions and 9 deletions
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14
src/graphview.cpp
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@ -219,8 +219,8 @@ void GraphView::redraw(const QSizeF &size)
_scene->addItem(_yAxis);
_slider->setArea(r);
_scene->addItem(_slider);
updateSliderPosition();
_scene->addItem(_slider);
r = _scene->itemsBoundingRect();
_info->setPos(r.topLeft() + QPointF(r.width()/2
@ -308,11 +308,14 @@ static qreal yAtX(const QPainterPath &path, qreal x)
void GraphView::updateSliderPosition()
{
Q_ASSERT(_sliderPos <= _bounds.right() && _sliderPos >= _bounds.left());
Q_ASSERT(_bounds.width() > 0);
if (_sliderPos <= _bounds.right() && _sliderPos >= _bounds.left()) {
_slider->setPos((_sliderPos / _bounds.width()) * _slider->area().width(),
_slider->area().bottom());
//_slider->setVisible(false);
_slider->setVisible(true);
} else
_slider->setVisible(false);
updateSliderInfo();
}
@ -345,8 +348,7 @@ void GraphView::updateSliderInfo()
void GraphView::emitSliderPositionChanged(const QPointF &pos)
{
if (_graphs.isEmpty())
return;
Q_ASSERT(_slider->area().width() > 0);
_sliderPos = (pos.x() / _slider->area().width()) * _bounds.width();
@ -360,9 +362,7 @@ void GraphView::setSliderPosition(qreal pos)
return;
_sliderPos = pos;
updateSliderPosition();
emit sliderPositionChanged(_sliderPos);
}
void GraphView::newSliderPosition(const QPointF &pos)