[bug #26438] First application does not get a proper app icon under Window Maker

[Wolfgang Lux]

Follow-up Comment #7, bug #26438 (project gnustep):

This issue is not related to the backend, it's an issue interacting with the
WindowMaker protocol that allows GNUstep applications to control the app icon
instead of having WindowMaker manage the app icon itself. Essentially, it
means that the app icon must be the first window that a GNUstep application
opens and maps to the screen. You can find a little bit more detailed
explanation in this email on the GNUstep developer's mailing list:
https://lists.gnu.org/archive/html/gnustep-dev/2020-10/msg00013.html
In fact, I had committed a fix for this issue about 6 years ago here:
https://github.com/gnustep/libs-back/commit/1e1185abb364f2ffcb5f06f62c1241d419b8b697
However, that change was reverted shortly before the 0.29 release here
https://github.com/gnustep/libs-back/commit/e5cdc1747be3b7d71e22b3757fb7649f99ace1b5#diff-c3c9abc7461037f8abf3f590d909cff84c39bc7817b79d7dfd379b38a3756385
because the fix was causing unwanted flickering of the app icon, which I
hadn't noticed. So the issue apparently is back again.
I guess a proper solution would be to reinstate the original fix, but use that
code path only when the frame offsets aren't known.


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