[PATCH 2/8] winex11: Introduce a new detach_client_window helper.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/winex11.drv/window.c | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index 53982bb8c3b..4237e92990e 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -1549,6 +1549,24 @@ Window get_dummy_parent(void)
 }

+/**********************************************************************
+ *		detach_client_window
+ */
+static void detach_client_window( struct x11drv_win_data *data, Window window )
+{
+    if (!data->client_window || data->client_window != window) return;
+
+    XSelectInput( data->display, data->client_window, 0 );
+    XFlush( data->display ); /* make sure XSelectInput is disabled for client_window after this point */
+    XDeleteContext( data->display, data->client_window, winContext );
+
+    XReparentWindow( gdi_display, data->client_window, get_dummy_parent(), 0, 0 );
+    TRACE( "%p/%lx detached client window %lx\n", data->hwnd, data->whole_window, data->client_window );
+
+    data->client_window = 0;
+}
+
+
 /**********************************************************************
  *		create_dummy_client_window
  */
@@ -1588,12 +1606,7 @@ Window create_client_window( HWND hwnd, const XVisualInfo *visual )
         data->window_rect = data->whole_rect = data->client_rect;
     }

-    if (data->client_window)
-    {
-        XDeleteContext( data->display, data->client_window, winContext );
-        XReparentWindow( gdi_display, data->client_window, dummy_parent, 0, 0 );
-        TRACE( "%p reparent xwin %lx/%lx\n", data->hwnd, data->whole_window, data->client_window );
-    }
+    detach_client_window( data, data->client_window );

if (data->client_colormap) XFreeColormap( gdi_display, data->client_colormap );
     data->client_colormap = XCreateColormap( gdi_display, dummy_parent, visual->visual,
@@ -1731,12 +1744,7 @@ static void destroy_whole_window( struct x11drv_win_data *data, BOOL already_des
     }
     else
     {
-        if (data->client_window && !already_destroyed)
-        {
-            XSelectInput( data->display, data->client_window, 0 );
-            XFlush( data->display ); /* make sure XSelectInput doesn't use client_window after this point */
-            XReparentWindow( gdi_display, data->client_window, get_dummy_parent(), 0, 0 );
-        }
+        if (!already_destroyed) detach_client_window( data, data->client_window );
         XDeleteContext( data->display, data->whole_window, winContext );
         if (!already_destroyed)
         {