New translucency API for the meego graphics system.

Merge-request: 2523
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>

2 files changed, 22 insertions, 0 deletions

diff --git a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
index b660eb37ea..13e44b8a28 100644
--- a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
+++ b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
@@ -153,3 +153,8 @@ void QMeeGoGraphicsSystemHelper::setTranslucent(bool translucent)
     ENSURE_RUNNING_MEEGO;
     QMeeGoRuntime::setTranslucent(translucent);
 }
+
+void QMeeGoGraphicsSystemHelper::setTranslucentWidget(QWidget w, bool translucent)
+{
+    w.setProperty("qglTranslucent", QVariant(translucent));
+}
diff --git a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
index d47c8291ed..3e1333d835 100644
--- a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
+++ b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
@@ -181,8 +181,25 @@ public:
      This function needs to be called *before* any widget/content is created. 
      When called with true, the base window surface will be translucent and initialized
      with QGLFormat.alpha == true.
+
+     This function is *deprecated*. Use ::setTranslucentWidget instead.
     */
     static void setTranslucent(bool translucent);
+
+    //! Sets translucency (alpha) on the given top-level widget.
+    /*!
+     This is a new API for enabling GL translucency on top-level widgets.
+     The specified widget needs to be top-level. When the time comes to create
+     a window surface for the widget, it'll be created with translucency enabled
+     (if translucent is true).
+
+     This function has no effect if the widget is already visible or if it's
+     not a top-level widget.
+
+     This function can be called even if not running MeeGo graphics system. It'll
+     have no effect though.
+    */
+    static void setTranslucentWidget(QWidget w, bool translucent);
 };
 
 #endif