* generic/tkPanedWindow.c (Tk_PanedWindowObjCmd): set save_under X

	attr to prevent expose events when moving sash. [Bug 1036963]

1 files changed, 6 insertions, 1 deletions

diff --git a/generic/tkPanedWindow.c b/generic/tkPanedWindow.c
index a180ca6..ab7bde9 100644
--- a/generic/tkPanedWindow.c
+++ b/generic/tkPanedWindow.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkPanedWindow.c,v 1.21 2004/10/24 17:22:55 dkf Exp $
+ * RCS: @(#) $Id: tkPanedWindow.c,v 1.22 2004/11/17 22:16:58 hobbs Exp $
  */
 
 #include "tkPort.h"
@@ -376,6 +376,7 @@ Tk_PanedWindowObjCmd(clientData, interp, objc, objv)
     PanedWindow *pwPtr;
     Tk_Window tkwin, parent;
     OptionTables *pwOpts;
+    XSetWindowAttributes atts;
 
     if (objc < 2) {
 	Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?");
@@ -464,11 +465,15 @@ Tk_PanedWindowObjCmd(clientData, interp, objc, objv)
      * panedwindow despite being children of windows with potentially
      * different characteristics, and it looks better that way too.
      * [Bug 702230]
+     * Also Set the X window save under attribute to avoid expose events as
+     * the proxy sash is dragged across the panes.  [Bug 1036963]
      */
     Tk_SetWindowVisual(pwPtr->proxywin,
 	    Tk_Visual(tkwin), Tk_Depth(tkwin), Tk_Colormap(tkwin));
     Tk_CreateEventHandler(pwPtr->proxywin, ExposureMask, ProxyWindowEventProc,
 	    (ClientData) pwPtr);
+    atts.save_under = True;
+    Tk_ChangeWindowAttributes(pwPtr->proxywin, CWSaveUnder, &atts);
 
     if (ConfigurePanedWindow(interp, pwPtr, objc - 2, objv + 2) != TCL_OK) {
 	Tk_DestroyWindow(pwPtr->proxywin);