3 files changed, 7 insertions, 33 deletions

diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index cd9ae01..f64b93c 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -379,19 +379,12 @@ void QGLWindowSurface::hijackWindow(QWidget *widget)
 
     QGLContext *ctx = NULL;
 
-    // Inspect the 'qglTranslucent' property of the target widget. If set to true,
-    // we need to create the surface in a 32bit alpha-compatible format. This is
-    // currently used by MeeGo graphics system extra API's. Could be in future
-    // used by other platform-specific graphic system API's.
-    if (widget->property("qglTranslucent").isValid()) {
+    // For translucent top-level widgets we need alpha in the format.
+    if (widget->testAttribute(Qt::WA_TranslucentBackground)) {
         QGLFormat modFormat(surfaceFormat);
-
-        if (widget->property("qglTranslucent").toBool() == true) {
-            modFormat.setSampleBuffers(false);
-            modFormat.setSamples(0);
-            modFormat.setAlpha(true);
-        }
-
+        modFormat.setSampleBuffers(false);
+        modFormat.setSamples(0);
+        modFormat.setAlpha(true);
         ctx = new QGLContext(modFormat, widget);
     } else
         ctx = new QGLContext(surfaceFormat, widget);
diff --git a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
index 13e44b8..b660eb3 100644
--- a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
+++ b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
@@ -153,8 +153,3 @@ 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 3e1333d..6df3c22 100644
--- a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
+++ b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
@@ -182,24 +182,10 @@ public:
      When called with true, the base window surface will be translucent and initialized
      with QGLFormat.alpha == true.
 
-     This function is *deprecated*. Use ::setTranslucentWidget instead.
+     This function is *deprecated*. Set Qt::WA_TranslucentBackground attribute
+     on the top-level widget *before* you show it 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