Possible Win32 Tkinter bug?

[Tim Daneliuk]

David LeBlanc wrote:
> It sounds to me as though you don't have the right modality set for the
> message box or something is messed up about your tkinter installation.
> 
> Windows has 3 dialog modalities:
> 
> application modal - the dialog gets the focus, the main app is disabled and
> control returns to the app when the dialog is dismissed. IIRC, this is what
> a tkMessageBox is by default and there's no option to change the modality.
> system modal - the dialog gets the focus, all apps are disabled and control

This is my understanding as well.  However, I also found this at
http://mini.net/tcl/MessagBox  from Harald Oehlmann:

On windows the tk_messageBox command sets the toplevel . to the top of
the window stacking order. After the message box the toplevel . gets the
focus.

To "repair" this behavior on tcl8.4 one can protect the windows over .
by wm attributes -topmost 1 and save the focus over the routine.


     # tk_messageBox for Windows which keeps focus and stacking order
     proc messageBox args {
         # > Save focus
         set Focus [focus]
         # > Get the toplevels above . and set topmost attribute
         set lWindows [wm stackorder .]
         set TopPos [lsearch $lWindows .]
         if {-1 != $TopPos && $TopPos != [llength $lWindows]} {
                 incr TopPos
                 set lWindows [lrange $lWindows $TopPos end]
                 foreach Wi $lWindows {
                         wm attributes $Wi -topmost 1
                 }
         } else {
                 unset lWindows
         }
         }


...

I'm still trying to figure out the corresponding Python (I've never really
done anything in tcl), but this seems to explain the behavior I am
seeing, no?


-- 
------------------------------------------------------------------------------
Tim Daneliuk
tundra at tundraware.com