//! [0]
GLWidgetShader::GLWidgetShader(QWidget *parent)
: QGLWidget(QGLFormat(QGL::SampleBuffers), parent)
{
glEnable(GL_MULTISAMPLE);
// Important to enable the shaders
QGLFormat rgbaformat;
rgbaformat.setRgba(true);
rgbaformat.setSampleBuffers(true);
rgbaformat.setDoubleBuffer(true);
rgbaformat.setSamples(4);
rgbaformat.setOverlay(0);
this->setFormat(rgbaformat);
this->makeCurrent();
// Very important
this->setAutoFillBackground(false);
QTimer *timer = new QTimer(this);
timer->start(15);
timer->setInterval(15);
QObject::connect(timer,SIGNAL(timeout()),this,SLOT(repaint()));
this->isDrawing=false;
qglClearColor(Qt::white);
this->nVertices = 0;
}
GLWidget::GLWidget(const QGLFormat& format, QWidget *parent, const char *name)
: QGLWidget(parent, this) ,
glt(*this) {
QGLFormat f = QGLFormat::defaultFormat();
f.setSampleBuffers(true);
f.setOverlay(false);
this->setFormat(f);
setMouseTracking(true);
setAttribute(Qt::WA_OpaquePaintEvent,true);
this->setAutoBufferSwap(true);
}
void GridsPlugin::initDockWidget()
{
// create and add doc widget
_dock_widget = new QDockWidget(QObject::tr("Grid Viewer"));
_dock_widget->setAllowedAreas(Qt::RightDockWidgetArea);
_dock_widget->setObjectName("gridViewerDock");
QGLFormat format;
format.setVersion(2, 1);
format.setDoubleBuffer(true);
format.setDepth(true);
format.setRgba(true);
format.setAlpha(false);
format.setAccum(false);
format.setStencil(false);
format.setStereo(false);
format.setDirectRendering(true);
format.setOverlay(false);
_viewer = new GridViewer(format);
_viewer->setMinimumSize(250, 0);
_viewer->setObjectName("gridViewer");
QVBoxLayout *layout = new QVBoxLayout();
layout->addWidget(_viewer);
QWidget *widget = new QWidget();
widget->setLayout(layout);
_dock_widget->setWidget(widget);
NeuroGui::MainWindow::instance()->addDockWidget(Qt::RightDockWidgetArea, _dock_widget);
// add to view menu
NeuroGui::MainWindow::instance()->toolBarsMenu()->addAction(_dock_widget->toggleViewAction());
}