Re: Canceling dialogues

[Lennart Borgman]

Eli Zaretskii wrote:
> When Emacs wants to pop the YES/NO dialog, it calls the function
> x-popup-dialog (Fx_popup_dialog), which in the Windows port currently
> creates a menu instead of a dialog and pops that menu.  This function
> (x-popup-dialog) is a general-purpose function, it doesn't know, nor
> care, what it gets as the contents of the dialog.  It isn't called
> only for the YES/NO type of dialog, you can have other dialogs with
> arbitrary long lists of alternatives.
>
> So, unless we somehow program the function to discover that it is
> called for YES/NO dialog, we cannot blithely add a CANCEL button to
> it.
>   
Why not add a cancel alternative for the other calls too?

> If you meant to add code to x-popup-dialog that would recognize this
> special case, I think fixing the generic dialog code is a better
> investment of our resources and energy, and the result is going to be
> much cleaner.
>   
Yes, that would be better. But could not my suggestion be implemented 
with much less effort?
> In addition, there's the question what to do for CANCEL, as someone
> else pointed out.
>   
I tried to answer that in another message. It should do what C-g does 
for the command line alternative (minus some things that does not seem 
appropriate as David pointed out).