1 files changed, 58 insertions, 0 deletions
diff --git a/libraries/qt4/patches/0195-compositing-properties.diff b/libraries/qt4/patches/0195-compositing-properties.diff
new file mode 100644
index 000000000000..979df943662e
--- /dev/null
+++ b/libraries/qt4/patches/0195-compositing-properties.diff
@@ -0,0 +1,58 @@
+qt-bugs@ issue : none
+bugs.kde.org number : none
+applied: no
+author: Lubos Lunak <l.lunak@kde.org>
+
+This patch makes override-redirect windows (popup menu, dropdown menu,
+tooltip, combobox, etc.) also have more window properties like WM_CLASS,
+so they can be used when compositing.
+
+--- src/gui/kernel/qwidget_x11.cpp
++++ src/gui/kernel/qwidget_x11.cpp
+@@ -637,6 +637,11 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
+         Q_ASSERT(id);
+         XChangeWindowAttributes(dpy, id, CWOverrideRedirect | CWSaveUnder,
+                                 &wsa);
++        XClassHint class_hint;
++        QByteArray appName = qAppName().toLatin1();
++        class_hint.res_name = appName.data(); // application name
++        class_hint.res_class = const_cast<char *>(QX11Info::appClass());   // application class
++        XSetWMProperties(dpy, id, 0, 0, 0, 0, 0, 0, &class_hint);
+     } else if (topLevel && !desktop) {        // top-level widget
+         if (!X11->wm_client_leader)
+             create_wm_client_leader();
+@@ -685,13 +690,21 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
+         // set EWMH window types
+         setNetWmWindowTypes();
+ 
++        // when we create a toplevel widget, the frame strut should be dirty
++        data.fstrut_dirty = 1;
++
++    } else {
++        // non-toplevel widgets don't have a frame, so no need to
++        // update the strut
++        data.fstrut_dirty = 0;
++    }
++
++    if (initializeWindow && (popup || (topLevel && !desktop))) { // properties set on all toplevel windows
+         // set _NET_WM_PID
+         long curr_pid = getpid();
+         XChangeProperty(dpy, id, ATOM(_NET_WM_PID), XA_CARDINAL, 32, PropModeReplace,
+                         (unsigned char *) &curr_pid, 1);
+ 
+-        // when we create a toplevel widget, the frame strut should be dirty
+-        data.fstrut_dirty = 1;
+ 
+         // declare the widget's window role
+         if (QTLWExtra *topData = maybeTopData()) {
+@@ -707,10 +720,6 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
+         XChangeProperty(dpy, id, ATOM(WM_CLIENT_LEADER),
+                         XA_WINDOW, 32, PropModeReplace,
+                         (unsigned char *)&X11->wm_client_leader, 1);
+-    } else {
+-        // non-toplevel widgets don't have a frame, so no need to
+-        // update the strut
+-        data.fstrut_dirty = 0;
+     }
+ 
+     if (initializeWindow && q->internalWinId()) {