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+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QCheckBox>
+#include <QMouseEvent>
+
+class MyCheckBox : public QCheckBox
+{
+public:
+ void mousePressEvent(QMouseEvent *event);
+};
+
+//! [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);
+};
+
+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()
+{
+}