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Revert back to QGLWidget.. QWidget BackingStores suck more than a vacuum cleaner

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This commit is contained in:
Mark Watkins 2014-05-16 23:38:28 +10:00
parent d0fdf69deb
commit 2dd2d952d1
3 changed files with 16 additions and 16 deletions
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25
sleepyhead/Graphs/gGraphView.cpp
View File

@ -233,7 +233,7 @@ gGraph *gGraphView::popGraph()
}
gGraphView::gGraphView(QWidget *parent, gGraphView *shared)
: QWidget(parent),
: QGLWidget(QGLFormat(QGL::DoubleBuffer | QGL::DirectRendering | QGL::HasOverlay | QGL::Rgba),parent,shared),
m_offsetY(0), m_offsetX(0), m_scaleY(1.0), m_scrollbar(nullptr)
{
m_shared = shared;
@ -272,12 +272,7 @@ gGraphView::gGraphView(QWidget *parent, gGraphView *shared)
print_scaleY = print_scaleX = 1.0;
redrawtimer = new QTimer(this);
//redrawtimer->setInterval(80);
//redrawtimer->start();
connect(redrawtimer, SIGNAL(timeout()), SLOT(repaint()));
//cubeimg.push_back(images["brick"]);
//cubeimg.push_back(images[""]);
connect(redrawtimer, SIGNAL(timeout()), SLOT(updateGL()));
m_fadingOut = false;
m_fadingIn = false;
@ -288,11 +283,14 @@ gGraphView::gGraphView(QWidget *parent, gGraphView *shared)
use_pixmap_cache = true;
// pixmapcache.setCacheLimit(10240*2);
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
m_dpr = devicePixelRatio(); // this->windowHandle()->devicePixelRatio();
#else
m_dpr = devicePixelRatio();
m_dpr = 1;
#endif
setAutoFillBackground(false);
setAutoBufferSwap(false);
}
void gGraphView::closeEvent(QCloseEvent * event)
{
@ -941,7 +939,7 @@ bool gGraphView::renderGraphs(QPainter &painter)
return numgraphs > 0;
}
void gGraphView::paintEvent(QPaintEvent * event)
void gGraphView::paintGL()
{
#ifdef DEBUG_EFFICIENCY
QElapsedTimer time;
@ -1034,6 +1032,7 @@ void gGraphView::paintEvent(QPaintEvent * event)
#endif
painter.end();
swapBuffers();
if (this->isVisible() && !graphs_drawn && render_cube) { // keep the cube spinning
redrawtimer->setInterval(1000.0 / 50); // 50 FPS
redrawtimer->setSingleShot(true);
@ -1736,7 +1735,7 @@ void gGraphView::keyPressEvent(QKeyEvent *event)
m_offsetY -= PROFILE.appearance->graphHeight() * 3 * m_scaleY;
m_scrollbar->setValue(m_offsetY);
m_offsetY = m_scrollbar->value();
repaint();
updateGL();
return;
} else if (event->key() == Qt::Key_PageDown) {
m_offsetY += PROFILE.appearance->graphHeight() * 3 * m_scaleY; //PROFILE.appearance->graphHeight();
@ -1745,7 +1744,7 @@ void gGraphView::keyPressEvent(QKeyEvent *event)
m_scrollbar->setValue(m_offsetY);
m_offsetY = m_scrollbar->value();
repaint();
updateGL();
return;
// redraw();
}
@ -2012,6 +2011,6 @@ int gGraphView::visibleGraphs()
void gGraphView::redraw()
{
if (!m_inAnimation) {
repaint();
updateGL();
}
}

5
sleepyhead/Graphs/gGraphView.h
View File

@ -21,6 +21,7 @@
#include <QPixmap>
#include <QRect>
#include <QPixmapCache>
#include <QGLWidget>
#include <Graphs/gGraph.h>
#include <Graphs/glcommon.h>
@ -159,7 +160,7 @@ class gToolTip : public QObject
It led to quite a performance increase over the old Qt method.
*/
class gGraphView : public QWidget
class gGraphView : public QGLWidget
{
Q_OBJECT
public:
@ -329,7 +330,7 @@ class gGraphView : public QWidget
protected:
//! \brief The heart of the OpenGL drawing code
virtual void paintEvent(QPaintEvent * event);
virtual void paintGL();
//! \brief Calculates the sum of all graph heights
float totalHeight();

2
sleepyhead/sleepyhead.pro
View File

@ -4,7 +4,7 @@
#
#-------------------------------------------------
QT += core gui network xml
QT += core gui opengl network xml
greaterThan(QT_MAJOR_VERSION,4) {
QT += widgets webkitwidgets