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bug#42406: Mouse-wheel scrolling can be flickering
From: |
martin rudalics |
Subject: |
bug#42406: Mouse-wheel scrolling can be flickering |
Date: |
Fri, 18 Dec 2020 00:19:48 +0100 |
>> In the case at hand Emacs relies on redisplaying all frames when
>> scrolling a window that is not on the selected frame in order to
>> correctly reflect the change in the scrolled window's mode line.
>
> That's not my understanding. My understanding is that the user
> scrolls the _selected_ window, because otherwise wset_update_mode_line
> doesn't set update_mode_lines:
>
> static void
> wset_update_mode_line (struct window *w)
> {
> /* If this window is the selected window on its frame, set the
> global variable update_mode_lines, so that gui_consider_frame_title
> will consider this frame's title for redisplay. */
> Lisp_Object fselected_window = XFRAME (WINDOW_FRAME
(w))->selected_window;
>
> if (WINDOWP (fselected_window) && XWINDOW (fselected_window) == w)
> update_mode_lines = 42;
> else
> w->update_mode_line = true;
> }
Indeed, you're right. This doesn't make any sense to me at all. Why
should a non-selected frame care about whether I scrolled a window on
the selected frame?
>> IIUC windows_or_buffers_changed affects frames as well. For example, I
>> have no idea why making a frame (in)visible should redisplay all other
>> frames while moving a frame on the screen apparently does not.
>
> That's commented out now,
Not in Fmake_frame_invisible AFAICT.
> although the comment seems to hint on the
> reason.
martin
- bug#42406: Mouse-wheel scrolling can be flickering, (continued)
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, Konrad Podczeck, 2020/12/16
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, Konrad Podczeck, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering,
martin rudalics <=
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/18
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/18
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/18
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/18
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/19
- bug#42406: Mouse-wheel scrolling can be flickering, Konrad Podczeck, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, Eli Zaretskii, 2020/12/17
- bug#42406: Mouse-wheel scrolling can be flickering, martin rudalics, 2020/12/17