Change the minimal example to be minimally useful

Open the first non-flag argument if one is given

Fixes up simplebrowser to act similarly

Change-Id: I40270a0f7bc06ce52117f23f7ccbdd743d3d97f6
Reviewed-by: Peter Varga <pvarga@inf.u-szeged.hu>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>

examples/webenginewidgets/minimal/doc/src/minimal.qdoc

@@ -46,7 +46,8 @@
     This lets the web view automatically scale on high-dpi displays.
 
     Next, we instantiate a QApplication and a QWebEngineView. The URL
-    to load is set by calling \l QWebEngineView::setUrl. The view widget is
+    to load is taken from the command-line in \l commandLineUrlArgument and
+    loaded by calling \l QWebEngineView::setUrl. The view widget is
     given a reasonable default size, and shown.
     Finally, QApplication::exec() launches the main event loop.
 

examples/webenginewidgets/minimal/main.cpp

@@ -41,13 +41,23 @@
 #include <QApplication>
 #include <QWebEngineView>
 
+QUrl commandLineUrlArgument()
+{
+    const QStringList args = QCoreApplication::arguments();
+    for (const QString &arg : args.mid(1)) {
+        if (!arg.startsWith(QLatin1Char('-')))
+            return QUrl::fromUserInput(arg);
+    }
+    return QUrl(QStringLiteral("https://www.qt.io"));
+}
+
 int main(int argc, char *argv[])
 {
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QApplication app(argc, argv);
 
     QWebEngineView view;
-    view.setUrl(QUrl(QStringLiteral("http://www.qt.io")));
+    view.setUrl(commandLineUrlArgument());
     view.resize(1024, 750);
     view.show();
 

examples/webenginewidgets/simplebrowser/main.cpp

@@ -44,12 +44,14 @@
 #include <QApplication>
 #include <QWebEngineSettings>
 
-QUrl getCommandLineUrlArgument()
+QUrl commandLineUrlArgument()
 {
     const QStringList args = QCoreApplication::arguments();
-    if (args.count() > 1)
-        return QUrl::fromUserInput(args.last());
-    return QUrl();
+    for (const QString &arg : args.mid(1)) {
+        if (!arg.startsWith(QLatin1Char('-')))
+            return QUrl::fromUserInput(arg);
+    }
+    return QUrl(QStringLiteral("https://www.qt.io"));
 }
 
 int main(int argc, char **argv)
@@ -62,9 +64,7 @@ int main(int argc, char **argv)
 
     QWebEngineSettings::defaultSettings()->setAttribute(QWebEngineSettings::PluginsEnabled, true);
 
-    QUrl url = getCommandLineUrlArgument();
-    if (!url.isValid())
-        url = QStringLiteral("https://www.qt.io");
+    QUrl url = commandLineUrlArgument();
 
     Browser browser;
     BrowserWindow *window = browser.createWindow();