[Bug 1163496]: Allow windows to be set to be transients for withdrawn masters

correctly.

3 files changed, 35 insertions, 8 deletions

diff --git a/ChangeLog b/ChangeLog
index 89590e1..a7824f1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,13 @@
+2010-01-06  Donal K. Fellows  <dkf@users.sf.net>
+
+	* unix/tkUnixWm.c (TkWmMapWindow): [Bug 1163496]: Allow windows to be
+	* tests/wm.test (wm-transient-8.1): set to be transients for withdrawn
+	masters correctly.
+
 2010-01-05  Pat Thoyts  <patthoyts@users.sourceforge.net>
 
-	* win/tkWinDialog.c: [Patch 2898255] Enable unlimited multiple
-	file selection from the open files dialog (pawlak,fellows,thoyts)
+	* win/tkWinDialog.c: [Patch 2898255]: Enable unlimited multiple file
+	selection from the open files dialog. (pawlak,fellows,thoyts)
 
 2010-01-05  Donal K. Fellows  <dkf@users.sf.net>
 
diff --git a/tests/wm.test b/tests/wm.test
index f28eeab..1fd024f 100644
--- a/tests/wm.test
+++ b/tests/wm.test
@@ -7,7 +7,7 @@
 # Copyright (c) 1998-1999 by Scriptics Corporation.
 # All rights reserved.
 #
-# RCS: @(#) $Id: wm.test,v 1.46 2008/11/15 00:00:27 patthoyts Exp $
+# RCS: @(#) $Id: wm.test,v 1.47 2010/01/06 09:25:15 dkf Exp $
 
 # This file tests window manager interactions that work across platforms.
 # Window manager tests that only work on a specific platform should be placed
@@ -1893,6 +1893,23 @@ test wm-transient-7.5 {Reassign transient, destroy transient} -body {
     deleteWindows
 }
 
+test wm-transient-8.1 {transient to withdrawn window, Bug 1163496} -setup {
+    deleteWindows
+    set result {}
+} -body {
+    # Verifies that transients stay on top of their masters, even if they were
+    # made transients when those masters were withdrawn.
+    toplevel .t1; wm withdraw  .t1;     update
+    toplevel .t2; wm transient .t2 .t1; update
+    lappend result [winfo ismapped .t1] [winfo ismapped .t2]
+    wm deiconify .t1; update
+    lappend result [winfo ismapped .t1] [winfo ismapped .t2]
+    raise .t1; update
+    lappend result [lsearch -all -inline -glob [wm stackorder .] ".t?"]
+} -cleanup {
+    deleteWindows
+} -result {0 0 1 1 {.t1 .t2}}
+
 
 ### wm state ###
 test wm-state-1.1 {usage} -returnCodes error -body {
diff --git a/unix/tkUnixWm.c b/unix/tkUnixWm.c
index 3b0d3cb..adfb31d 100644
--- a/unix/tkUnixWm.c
+++ b/unix/tkUnixWm.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: tkUnixWm.c,v 1.77 2009/12/09 13:55:14 dkf Exp $
+ * RCS: @(#) $Id: tkUnixWm.c,v 1.78 2010/01/06 09:25:15 dkf Exp $
  */
 
 #include "tkUnixInt.h"
@@ -676,11 +676,15 @@ TkWmMapWindow(
 	    if (!Tk_IsMapped(wmPtr->masterPtr)) {
 		wmPtr->withdrawn = 1;
 		wmPtr->hints.initial_state = WithdrawnState;
-	    } else {
-		XSetTransientForHint(winPtr->display,
-			wmPtr->wrapperPtr->window,
-			wmPtr->masterPtr->wmInfoPtr->wrapperPtr->window);
 	    }
+
+	    /*
+	     * Make sure that we actually set the transient-for property, even
+	     * if we are withdrawn. [Bug 1163496]
+	     */
+
+	    XSetTransientForHint(winPtr->display, wmPtr->wrapperPtr->window,
+		    wmPtr->masterPtr->wmInfoPtr->wrapperPtr->window);
 	}
 
 	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;