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Use OpenGL also for graph views when selected

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This commit is contained in:
Martin Tůma
2016-12-07 02:02:39 +01:00
parent da1b2bb90a
commit b24136a580
4 changed files with 34 additions and 2 deletions
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23
src/graphview.cpp
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@ -3,6 +3,12 @@
#include <QMouseEvent>
#include <QPaintEngine>
#include <QPaintDevice>
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
#include <QGLWidget>
#else // QT 5
#include <QOpenGLWidget>
#endif // QT 5
#include <QSysInfo>
#include "config.h"
#include "axisitem.h"
#include "slideritem.h"
@ -23,6 +29,8 @@ GraphView::GraphView(QWidget *parent)
_scene = new QGraphicsScene();
setScene(_scene);
setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
setRenderHint(QPainter::Antialiasing, true);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
@ -451,3 +459,18 @@ void GraphView::setGraphWidth(int width)
for (int i = 0; i < _graphs.count(); i++)
_graphs.at(i)->setWidth(width);
}
void GraphView::useOpenGL(bool use)
{
if (use) {
#ifdef Q_OS_WIN32
if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)
#endif // Q_OS_WIN32
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
setViewport(new QGLWidget);
#else // QT 5
setViewport(new QOpenGLWidget);
#endif // QT 5
} else
setViewport(new QWidget);
}