doc/src/snippets/events/events.cpp
branchRCL_3
changeset 7 3f74d0d4af4c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/events/events.cpp	Thu Apr 08 14:19:33 2010 +0300
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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()
+{
+}