bug#49959: 28.0.50; Emacs got quasi freeze

[Masaru Nomiya]

Hello,

Sorry for late reply.

In the Message; 

  Subject    : bug#49959: 28.0.50; Emacs got quasi freeze
  Message-ID : <b0008bc4-4715-5313-2e10-5631092437a1@gmx.at>
  Date & Time: Sun, 22 Aug 2021 18:54:11 +0200

[RM] == martin rudalics <rudalics@gmx.at> has written:

RM>  [1  <text/plain; utf-8 (7bit)>]
RM>  > Maybe the problem can be summarized as follows:
RM>  >
RM>  > - Emacs is in a state where a frame is hidden but not iconified.
RM>  >
RM>  > - Emacs gets a PropertyNotify event but does not react because the frame
RM>  >    was in its understanding _not_ iconified before.  Elightenment thinks
RM>  >    that Emacs should understand that the frame is visible now and react
RM>  >    properly.
RM>  >
RM>  > If that's the case, then Emacs had this problem ever since.  Actually,
RM>  > Emacs here waits for a MapNotify event to arrive but apparently this
RM>  > does not happen with Elightenment.

RM>  A preliminary patch based on the above remarks is attached.

Thanks, but it's off the mark.

The issue is around rendering. The phnomenon is;

> If i move to another virtual desktop, and then return to
> the one with the emacs window, it looks like emacs never gets focus.
> Enlightenment's borders do change colours to indicate it has focus,
> but the cursor remains an empty box instead of a solid rectangle.
> Typing in the window also shows nothing happening. Until... If i
> minimize the window and bring it back, or if i shade and unshade the
> window, it all looks ok again, and everything i typed is there! So i
> can be typing blindly with nothing appearing in the window, then shade
> and unshade, and see that everything i typed (more often than not on
> the wrong line, because i couldn't see it).

Regards.

---
┏━━┓彡 Masaru Nomiya             mail-to: nomiya @ galaxy.dti.ne.jp
┃＼／彡
┗━━┛ "No Windows, no gains!" ..... "Why, I am wrong?"
        
                                          -- Bill --