summaryrefslogtreecommitdiffstats
path: root/doc/src/snippets/events/events.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'doc/src/snippets/events/events.cpp')
-rw-r--r--doc/src/snippets/events/events.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/doc/src/snippets/events/events.cpp b/doc/src/snippets/events/events.cpp
new file mode 100644
index 0000000..e6045e6
--- /dev/null
+++ b/doc/src/snippets/events/events.cpp
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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()
+{
+}