Add QWindowSystemInterface::handleFileOpen(const QUrl&)

In some cases, the call to handleFileOpen may receive a non local URL.
With previous API, there was no way to pass it to other layers. With
this change, any platform plugin creating this event can directly pass
a URL.

Change-Id: Ibd7299ad6c09527e1db979840bd67726882efb9b
Reviewed-by: Jose Dapena Paz <jdapena@igalia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>

src/gui/kernel/qguiapplication.cpp

@@ -1674,10 +1674,10 @@ void QGuiApplicationPrivate::processCloseEvent(QWindowSystemInterfacePrivate::Cl
 
 void QGuiApplicationPrivate::processFileOpenEvent(QWindowSystemInterfacePrivate::FileOpenEvent *e)
 {
-    if (e->fileName.isEmpty())
+    if (e->url.isEmpty())
         return;
 
-    QFileOpenEvent event(e->fileName);
+    QFileOpenEvent event(e->url);
     QGuiApplication::sendSpontaneousEvent(qApp, &event);
 }
 

src/gui/kernel/qwindowsysteminterface.cpp

@@ -575,6 +575,12 @@ void QWindowSystemInterface::handleFileOpenEvent(const QString& fileName)
     QGuiApplicationPrivate::processWindowSystemEvent(&e);
 }
 
+void QWindowSystemInterface::handleFileOpenEvent(const QUrl &url)
+{
+    QWindowSystemInterfacePrivate::FileOpenEvent e(url);
+    QGuiApplicationPrivate::processWindowSystemEvent(&e);
+}
+
 void QWindowSystemInterface::handleTabletEvent(QWindow *w, ulong timestamp, bool down, const QPointF &local, const QPointF &global,
                                                int device, int pointerType, qreal pressure, int xTilt, int yTilt,
                                                qreal tangentialPressure, qreal rotation, int z, qint64 uid,

src/gui/kernel/qwindowsysteminterface.h

@@ -158,6 +158,7 @@ public:
     static void handleThemeChange(QWindow *tlw);
 
     static void handleFileOpenEvent(const QString& fileName);
+    static void handleFileOpenEvent(const QUrl &url);
 
     static void handleTabletEvent(QWindow *w, ulong timestamp, bool down, const QPointF &local, const QPointF &global,
                                   int device, int pointerType, qreal pressure, int xTilt, int yTilt,

src/gui/kernel/qwindowsysteminterface_p.h

@@ -285,9 +285,12 @@ public:
     class FileOpenEvent : public WindowSystemEvent {
     public:
         FileOpenEvent(const QString& fileName)
-            : WindowSystemEvent(FileOpen), fileName(fileName)
+            : WindowSystemEvent(FileOpen), url(QUrl::fromLocalFile(fileName))
         { }
-        QString fileName;
+        FileOpenEvent(const QUrl &url)
+            : WindowSystemEvent(FileOpen), url(url)
+        { }
+        QUrl url;
     };
 
     class TabletEvent : public InputEvent {