attempt to make the panel work

FIXME: setting transparency doesn't seem to work.
it works correctly only if done in the View constructor, not the PanelView one

shell/desktopcorona.cpp

@@ -186,6 +186,7 @@ void DesktopCorona::checkViews()
     } else if (m_views.count() < m_desktopWidget->screenCount()) {
         for (int i = m_views.count(); i < m_desktopWidget->screenCount(); ++i) {
             View *view = new View(this);
+            view->init();
             view->show();
             
             m_views << view;
@@ -213,6 +214,8 @@ void DesktopCorona::updateScreenOwner(int wasScreen, int isScreen, Plasma::Conta
 
         if (isScreen >= 0) {
             m_panelViews[containment] = new PanelView(this);
+            m_panelViews[containment]->init();
+            m_panelViews[containment]->setContainment(containment);
             m_panelViews[containment]->show();
         } else {
             if (m_panelViews.contains(containment)) {

shell/panelview.cpp

@@ -23,9 +23,13 @@
 PanelView::PanelView(Plasma::Corona *corona, QWindow *parent)
     : View(corona, parent)
 {
+    //FIXME: this works only if done in View
     QSurfaceFormat format;
     format.setAlphaBufferSize(8);
     setFormat(format);
+    setClearBeforeRendering(true);
+    setColor(QColor(Qt::transparent));
+    setFlags(Qt::FramelessWindowHint);
 }
 
 PanelView::~PanelView()

shell/qmlpackages/desktop/contents/ui/main.qml

@@ -25,6 +25,7 @@ import org.kde.plasma.core 0.1 as PlasmaCore
 Rectangle {
     id: root
     color: "red"
+    radius: 10
     width: 640
     height: 480
 

shell/view.cpp

@@ -28,12 +28,6 @@ View::View(Plasma::Corona *corona, QWindow *parent)
     : QQuickView(parent),
       m_corona(corona)
 {
-    if (!m_corona->package().isValid()) {
-        qWarning() << "Invalid home screen package";
-    }
-
-    setResizeMode(View::SizeRootObjectToView);
-    setSource(QUrl::fromLocalFile(m_corona->package().filePath("mainscript")));
 }
 
 View::~View()
@@ -41,7 +35,15 @@ View::~View()
     
 }
 
+void View::init()
+{
+    if (!m_corona->package().isValid()) {
+        qWarning() << "Invalid home screen package";
+    }
 
+    setResizeMode(View::SizeRootObjectToView);
+    setSource(QUrl::fromLocalFile(m_corona->package().filePath("mainscript")));
+}
 
 void View::setContainment(Plasma::Containment *cont)
 {

shell/view.h

@@ -34,6 +34,9 @@ public:
     View(Plasma::Corona *corona, QWindow *parent = 0);
     virtual ~View();
 
+    //FIXME: not super nice, but we have to be sure qml assignment is done after window flags
+    void init();
+
     void setContainment(Plasma::Containment *cont);
     Plasma::Containment *containment() const;