Mega Code Archive
Paint QSplitter
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#ifndef SPLITTER_H
#define SPLITTER_H
#include <QLinearGradient>
#include <QSplitter>
#include <QSplitterHandle>
class QPaintEvent;
class Splitter : public QSplitter
{
public:
Splitter(Qt::Orientation orientation, QWidget *parent = 0);
protected:
QSplitterHandle *createHandle();
};
class SplitterHandle : public QSplitterHandle
{
public:
SplitterHandle(Qt::Orientation orientation, QSplitter *parent);
protected:
void paintEvent(QPaintEvent *event);
private:
QLinearGradient gradient;
};
#endif
#include <QtGui>
#include "splitter.h"
SplitterHandle::SplitterHandle(Qt::Orientation orientation, QSplitter *parent)
: QSplitterHandle(orientation, parent)
{
gradient.setColorAt(0.0, Qt::darkGreen);
gradient.setColorAt(0.25, Qt::white);
gradient.setColorAt(1.0, Qt::darkGreen);
}
void SplitterHandle::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
if (orientation() == Qt::Horizontal) {
gradient.setStart(rect().left(), rect().height()/2);
gradient.setFinalStop(rect().right(), rect().height()/2);
} else {
gradient.setStart(rect().width()/2, rect().top());
gradient.setFinalStop(rect().width()/2, rect().bottom());
}
painter.fillRect(event->rect(), QBrush(gradient));
}
Splitter::Splitter(Qt::Orientation orientation, QWidget *parent)
: QSplitter(orientation, parent)
{
}
QSplitterHandle *Splitter::createHandle()
{
return new SplitterHandle(orientation(), this);
}
#include <QApplication>
#include <QLabel>
#include "splitter.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Splitter splitter(Qt::Horizontal);
splitter.addWidget(new QLabel("Hello"));
splitter.addWidget(new QLabel("World"));
Splitter verticalSplitter(Qt::Vertical, &splitter);
verticalSplitter.addWidget(new QLabel("A"));
verticalSplitter.addWidget(new QLabel("B"));
splitter.show();
return app.exec();
}
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