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bug#65840: 29.1; desktop-load moves frames to the right and down
From: |
Po Lu |
Subject: |
bug#65840: 29.1; desktop-load moves frames to the right and down |
Date: |
Sat, 09 Sep 2023 21:35:01 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Eli Zaretskii <eliz@gnu.org> writes:
> You are aware, I hope, that on X and similar GUI systems, the
> coordinates of the frames we request from the window-manager are
> advisory: the WM doesn't have to adhere to what we request. I'm not
> sure what you see is not a manifestation of that.
>
> Po Lu, can you chime in, please?
Thanks, but I'm not well versed in Mac OS window management. I would
begin an investigation into this behavior by calling:
(set-frame-position f 10 10)
waiting for a MOVE_FRAME_EVENT to arrive:
emacsframe->left_pos = (NSMinX (r)
- NS_PARENT_WINDOW_LEFT_POS (emacsframe));
emacsframe->top_pos = (NS_PARENT_WINDOW_TOP_POS (emacsframe)
- NSMaxY (r));
and attempting to establish which factors influence both the position
set by ns_set_offset and that returned within the consequent
MOVE_FRAME_EVENT. With that information at hand, it should become
possible to then devise a method of compensating for such factors, so as
to guarantee that the frame position through `set-frame-position' is
reflected faithfully within the frame's `left' and `top' properties,
insofar as the window manager elects to respect said position.