Re: [MACTCL] Deiconify and grab sometimes raises dialogs behind other windows

[Adrian R. <adr...@gm...>]

I've hit a similar problem in the past, although in my case it showed both on Windows and OS X.  I ended up needing to do this to ensure the window came to front:

    wm deiconify .fooDialog
    after idle {
	wm deiconify .fooDialog
	raise .fooDialog
	focus -force .fooDialog
    }

(The last line can also focus a window within the toplevel.)  It seemed like this was overkill, but it works robustly so I haven't messed with it.

Reason why needed, my guess was that it relates to the fact that the dialogs in question come from button-presses on another window.. Perhaps an extra mouse event gets sent to the parent window after the press, causing it to take focus.


On Feb 15, 2010, at 6:26 PM, Peter Caffin wrote:

> Hi guys.
> 
> I'm running into an odd problem on Mac (Leopard) using Tcl/Tk 8.5.
> 
> I create a prefs window and iconify it, then deiconify and grab when the 
> user calls for the prefs dialog. Unfortunately, sometimes the dialog 
> appears behind the main window despite having focus and grab applied. If 
> I click the title bar of the obscuring window, the prefs window pops up 
> in front as expected.
> 
> I can't confirm if the same happens on Snowy or Tiger. I can definitely 
> confirm it doesn't happen on Linux/X11 or Windows.
> 
> The code I'm using to raise the window is: wm deiconify .pref ; grab .pref
> 
> I've also tried, without much change: wm deiconify .pref ; grab -global 
> .pref
> 
> The odd thing is, it doesn't happen all the time, just some of the time.
> 
> I'm guessing I'm probably not the only one who's encountered this one.
> 
> Any suggestions?
> 
> 
> Pete.
> 
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