3 files changed, 35 insertions, 2 deletions
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 6c4004e..a4ae46b 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -1430,10 +1430,18 @@ QStyle *QApplication::style()
         // Compile-time search for default style
         //
         QString style;
-        if (!QApplicationPrivate::styleOverride.isEmpty())
+#ifdef QT_BUILD_INTERNAL
+        QString envStyle = QString::fromLocal8Bit(qgetenv("QT_STYLE_OVERRIDE"));
+#else
+        QString envStyle;
+#endif
+        if (!QApplicationPrivate::styleOverride.isEmpty()) {
             style = QApplicationPrivate::styleOverride;
-        else
+        } else if (!envStyle.isEmpty()) {
+            style = envStyle;
+        } else {
             style = QApplicationPrivate::desktopStyleKey();
+        }
 
         QStyle *&app_style = QApplicationPrivate::app_style;
         app_style = QStyleFactory::create(style);
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index a4cc5a3..7c68170 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -2334,6 +2334,30 @@ void qt_init(QApplicationPrivate *priv, int,
                 X11->desktopEnvironment = DE_4DWM;
                 break;
             }
+
+            if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(),
+                               ATOM(_NET_SUPPORTING_WM_CHECK),
+                               0, 1024, False, XA_WINDOW, &type,
+                               &format, &length, &after, &data) == Success) {
+                if (type == XA_WINDOW && format == 32) {
+                    Window windowManagerWindow = *((Window*) data);
+                    XFree(data);
+                    data = 0;
+
+                    if (windowManagerWindow != XNone) {
+                        Atom utf8atom = ATOM(UTF8_STRING);
+                        if (XGetWindowProperty(QX11Info::display(), windowManagerWindow, ATOM(_NET_WM_NAME),
+                                               0, 1024, False, utf8atom, &type,
+                                               &format, &length, &after, &data) == Success) {
+                            if (type == utf8atom && format == 8) {
+                                if (qstrcmp((const char *)data, "MCompositor") == 0)
+                                    X11->desktopEnvironment = DE_MEEGO_COMPOSITOR;
+                            }
+                        }
+                    }
+                }
+            }
+
         } while(0);
 
         if (data)
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index d62d9c3..56c8094 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -338,6 +338,7 @@ enum DesktopEnvironment {
     DE_KDE,
     DE_GNOME,
     DE_CDE,
+    DE_MEEGO_COMPOSITOR,
     DE_4DWM
 };