GNU bug report logs - #49997
27.2; idle-time reset when switching desktop-page

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: pm <at> a16n.net, rudalics <at> gmx.at, 49997 <at> debbugs.gnu.org
Subject: bug#49997: 27.2; idle-time reset when switching desktop-page
Date: Sun, 15 Aug 2021 18:17:06 +0200

I think I was looking at the wrong thing -- I was looking at the
idle_start stuff, but it's the idle_stop stuff that's important.  (An
idle_start when we're already idle doesn't change anything.)

And the idle_stops that happen when I change back to the virtual desktop
comes from here:

static void
x_focus_changed (int type, int state, struct x_display_info *dpyinfo, struct frame *frame, struct input_event *bufp)
{
  if (type == FocusIn)
    {
      if (dpyinfo->x_focus_event_frame != frame)
        {
          x_new_focus_frame (dpyinfo, frame);
          dpyinfo->x_focus_event_frame = frame;
          bufp->kind = FOCUS_IN_EVENT;
          XSETFRAME (bufp->frame_or_window, frame);
        }

      frame->output_data.x->focus_state |= state;
[...]
  else if (type == FocusOut)
    {
      frame->output_data.x->focus_state &= ~state;

So we lose focus and then get it back, and that makes Emacs unidle.

Which is arguably correct behaviour, but I can see the case for changing
that.  I mean, the user hasn't done anything inside Emacs.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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