Doc: added sample to QFileOpenEvent class details

This sample will help user needing to react on QFileOpenEvent get
started faster.

Change-Id: I7def292894fc39d803f70cbf0453f6791b7aea15
Reviewed-by: Topi Reiniö <[email protected]>

1 files changed, 73 insertions, 0 deletions

diff --git a/src/gui/doc/snippets/qfileopenevent/main.cpp b/src/gui/doc/snippets/qfileopenevent/main.cpp
new file mode 100644
index 00000000000..3fd1757bd7e
--- /dev/null
+++ b/src/gui/doc/snippets/qfileopenevent/main.cpp
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Samuel Gaist <[email protected]>
+** Contact: http://www.qt.io/licensing/
+**
+** 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 The Qt Company Ltd 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [QApplication subclass]
+#include <QApplication>
+#include <QFileOpenEvent>
+#include <QtDebug>
+
+class MyApplication : public QApplication
+{
+public:
+    MyApplication(int &argc, char **argv)
+        : QApplication(argc, argv)
+    {
+    }
+
+    bool event(QEvent *event)
+    {
+        if (event->type() == QEvent::FileOpen) {
+            QFileOpenEvent *openEvent = static_cast<QFileOpenEvent *>(event);
+            qDebug() << "Open file" << openEvent->file();
+        }
+
+        return QApplication::event(event);
+    }
+};
+//! [QApplication subclass]
+
+int main(int argc, char *argv[])
+{
+    MyApplication app(argc, argv);
+    QPushButton closeButton("Quit");
+    QObject::connect(&closeButton, &QPushButton::clicked, &app, &QApplication::quit);
+    closeButton.show();
+    return app.exec();
+}