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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QCheckBox>
#include <QMouseEvent>
class MyCheckBox : public QCheckBox
{
public:
void mousePressEvent(QMouseEvent *event) override;
};
//! [0]
void MyCheckBox::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
// handle left mouse button here
} else {
// pass on other buttons to base class
QCheckBox::mousePressEvent(event);
}
}
//! [0]
class MyWidget : public QWidget
{
public:
bool event(QEvent *event) override;
};
static const int MyCustomEventType = 1099;
class MyCustomEvent : public QEvent
{
public:
MyCustomEvent() : QEvent((QEvent::Type)MyCustomEventType) {}
};
//! [1]
bool MyWidget::event(QEvent *event)
{
if (event->type() == QEvent::KeyPress) {
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
if (ke->key() == Qt::Key_Tab) {
// special tab handling here
return true;
}
} else if (event->type() == MyCustomEventType) {
MyCustomEvent *myEvent = static_cast<MyCustomEvent *>(event);
// custom event handling here
return true;
}
return QWidget::event(event);
}
//! [1]
int main()
{
}
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