Fix KDE Bug 135250 (window-flickering in 'focus strictly under mouse' mode).

Submitted by: Daniel O'Connor <doconnor@gsoft.com.au>

1 files changed, 39 insertions, 0 deletions

diff --git a/x11/kdebase4-runtime/files/patch-kwin-client.cpp b/x11/kdebase4-runtime/files/patch-kwin-client.cpp
new file mode 100644
index 000000000000..d8e0f91db691
--- /dev/null
+++ b/x11/kdebase4-runtime/files/patch-kwin-client.cpp
@@ -0,0 +1,39 @@
+--- kwin/client.cpp.orig	Mon Oct  2 03:02:07 2006
++++ kwin/client.cpp	Mon Jan  8 10:54:19 2007
+@@ -477,17 +477,30 @@
+     // calls it or when the decoration is created/destroyed
+ 
+     if( Shape::version() >= 0x11 ) // 1.1, has input shape support
+-        { // there appears to be no way to find out if a window has input
+-          // shape set or not, so always set propagate the input shape
+-          // (it's the same like the bounding shape by default)
+-        XShapeCombineShape( qt_xdisplay(), frameId(), ShapeInput, 0, 0,
++        { // There appears to be no way to find out if a window has input 
++          // shape set or not, so always propagate the input shape 
++          // (it's the same like the bounding shape by default). 
++          // Also, build the shape using a helper window, not directly 
++          // in the frame window, because the sequence set-shape-to-frame, 
++          // remove-shape-of-client, add-input-shape-of-client has the problem 
++          // that after the second step there's a hole in the input shape 
++          // until the real shape of the client is added and that can make 
++          // the window lose focus (which is a problem with mouse focus policies) 
++        static Window helper_window = None; 
++        if( helper_window == None ) 
++            helper_window = XCreateSimpleWindow( qt_xdisplay(), qt_xrootwin(), 
++                0, 0, 1, 1, 0, 0, 0 ); 
++        XResizeWindow( qt_xdisplay(), helper_window, width(), height()); 
++        XShapeCombineShape( qt_xdisplay(), helper_window, ShapeInput, 0, 0, 
+                            frameId(), ShapeBounding, ShapeSet );
+-        XShapeCombineShape( qt_xdisplay(), frameId(), ShapeInput,
++        XShapeCombineShape( qt_xdisplay(), helper_window, ShapeInput, 
+                            clientPos().x(), clientPos().y(),
+                            window(), ShapeBounding, ShapeSubtract );
+-        XShapeCombineShape( qt_xdisplay(), frameId(), ShapeInput,
++        XShapeCombineShape( qt_xdisplay(), helper_window, ShapeInput, 
+                            clientPos().x(), clientPos().y(),
+                            window(), ShapeInput, ShapeUnion );
++        XShapeCombineShape( qt_xdisplay(), frameId(), ShapeInput, 0, 0, 
++                           helper_window, ShapeInput, ShapeSet ); 
+         }
+     }
+