Polish the mdi example.

Add a command line parser to be able to pass on files.

Task-number: QTBUG-35146
Change-Id: I32cbb9ec1e87667076e40a81c66674cf16836b54
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/examples/widgets/mainwindows/mdi/main.cpp b/examples/widgets/mainwindows/mdi/main.cpp
index ab5f9b1480..d454f52e28 100644
--- a/examples/widgets/mainwindows/mdi/main.cpp
+++ b/examples/widgets/mainwindows/mdi/main.cpp
@@ -39,6 +39,8 @@
 ****************************************************************************/
 
 #include <QApplication>
+#include <QCommandLineParser>
+#include <QCommandLineOption>
 
 #include "mainwindow.h"
 
@@ -47,7 +49,17 @@ int main(int argc, char *argv[])
     Q_INIT_RESOURCE(mdi);
 
     QApplication app(argc, argv);
+    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
+    QCommandLineParser parser;
+    parser.setApplicationDescription("Qt MDI Example");
+    parser.addHelpOption();
+    parser.addVersionOption();
+    parser.addPositionalArgument("file", "The file to open.");
+    parser.process(app);
+
     MainWindow mainWin;
+    foreach (const QString &fileName, parser.positionalArguments())
+        mainWin.openFile(fileName);
     mainWin.show();
     return app.exec();
 }