* win/tkWinDialog.c: Added checks for visibility of parent window

before creating MessageBox and ChooseColor dialogs; this prevents
the application from locking when the parent is withdrawn and the
message box is created.  In these cases, the window will be
created without a parent.

* unix/mkLinks: Added WinViewable.3.

* tests/msgbox.test: Added tests for patch from [Bug: 4997].

* library/msgbox.tcl:
* library/dialog.tcl: Applied patch from [Bug: 4997]; detaches
dialog window from parent if parent is not viewable.

* library/bgerror.tcl: Removed workaround from [Bug: 4370]; this
is superceeded by patches to dialog.tcl.

* generic/tkCmds.c: Changed WinfoObjCmd to use Tk_IsViewable
function to determine visibility of windows instead of inlining
the code.

* generic/tkStubInit.c:
* generic/tkDecls.h:
* generic/tk.decls: Added Tk_IsViewable declaration.

1 files changed, 18 insertions, 14 deletions

diff --git a/tests/msgbox.test b/tests/msgbox.test
index e9a16d4..78adb81 100644
--- a/tests/msgbox.test
+++ b/tests/msgbox.test
@@ -5,7 +5,7 @@
 # Copyright (c) 1998-1999 by Scriptics Corporation.
 # All rights reserved.
 #
-# RCS: @(#) $Id: msgbox.test,v 1.3 1999/04/16 01:51:39 stanton Exp $
+# RCS: @(#) $Id: msgbox.test,v 1.4 2000/04/18 02:18:34 ericm Exp $
 #
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
@@ -165,19 +165,23 @@ foreach spec $specs {
     }
 }
 
+# These tests will hang your test suite if they fail.
+test msgbox-3.1 {tk_messageBox handles withdrawn parent} {nonUnixUserInteraction} {
+    wm withdraw .
+    ChooseMsg . "ok"
+    tk_messageBox -title Hi -message "Please press ok" \
+	    -type ok -default ok
+} "ok"
+wm deiconify .
+
+test msgbox-3.2 {tk_messageBox handles iconified parent} {nonUnixUserInteraction} {
+    wm iconify .
+    ChooseMsg . "ok"
+    tk_messageBox -title Hi -message "Please press ok" \
+	    -type ok -default ok
+} "ok"
+wm deiconify .    
+
 # cleanup
 ::tcltest::cleanupTests
 return
-
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