Any info about the suggestion previously made to use the
Fl::delete_widget(Fl_Widget*) function ?
Another suggestion would be to replace
[[i->xid contentView] lockFocus];
by
if ( ! [[i->xid contentView] lockFocusIfCanDraw] ) return;
> Hello,
>
> I have been using FLTK for quite a while now (about a year), and with some
> success. I use the 1.3.2 version, which I have integrated in projects on
> Windows, Mac OS and Linux.
>
> However, I have a real problem on Mac OS, a crash which happens in certain
> cases when I mix a (non FLTK) modal window and an FLTK window. When I destroy
> the FLTK window, I have a crash...
>
> I traced the error back to Fl::make_current in Fl_cocoa.mm, with a lockFocus,
> which is where the bug is perpetrated...
>
> For the moment, the only way for me to bypass this problem is to add a
> @try/@catch around the lockFocus and I destroy the window...
>
> void Fl_Window::make_current() {
> ...
> NSView *current_focus = [NSView focusView];
> // sometimes current_focus is set to a non-FLTK view: don't touch that
> @try {
> if ( [current_focus isKindOfClass:[FLView class]] )
> [current_focus unlockFocus];
> [[i->xid contentView] lockFocus]; <-- CRASH HERE
> }
> @catch(NSException* e) {
> delete this; <-- VERY HORRIBLE, but it does not seem to matter
> return;
> }
>
>
> It works, but I do not feel very comfortable to modify the code of a library
> which I use on many platform.
>
> Do you have any idea how I could bypass this error in a more acceptable way?
>
> Thank you in advance...
>
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