* bug#22164: 25.0.50; Turning off blinking cursor mode makes menu tooltips behave erratically
@ 2015-12-13 17:56 martin rudalics
2015-12-13 18:10 ` Eli Zaretskii
0 siblings, 1 reply; 3+ messages in thread
From: martin rudalics @ 2015-12-13 17:56 UTC (permalink / raw)
To: 22164
With emacs -Q evaluate (blink-cursor-mode -1). Click the "File" entry
on the menu bar. When I now move the mouse from one menu entry to
another it takes approximately 8 seconds until the tooltip is removed
from the previous entry and shown at the current one.
Reproducible at least since Emacs 24.2 and likely a Windows-only bug.
It might be related to this part of ‘blink-cursor-timer-function’
;; Suspend counting blinks when the w32 menu-bar menu is displayed,
;; since otherwise menu tooltips will behave erratically.
(or (and (fboundp 'w32--menu-bar-in-use)
(w32--menu-bar-in-use))
(setq blink-cursor-blinks-done (1+ blink-cursor-blinks-done)))
but I cannot imagine how that can have any effect when cursor blinking
is turned off.
In GNU Emacs 25.0.50.1 (i686-pc-mingw32)
of 2015-12-12
Repository revision: 06f00d39ff73e0c6c87ffb09ef3d67e8d3446b01
Windowing system distributor 'Microsoft Corp.', version 5.1.2600
martin
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#22164: 25.0.50; Turning off blinking cursor mode makes menu tooltips behave erratically
2015-12-13 17:56 bug#22164: 25.0.50; Turning off blinking cursor mode makes menu tooltips behave erratically martin rudalics
@ 2015-12-13 18:10 ` Eli Zaretskii
2015-12-18 16:55 ` martin rudalics
0 siblings, 1 reply; 3+ messages in thread
From: Eli Zaretskii @ 2015-12-13 18:10 UTC (permalink / raw)
To: martin rudalics; +Cc: 22164
> Date: Sun, 13 Dec 2015 18:56:27 +0100
> From: martin rudalics <rudalics@gmx.at>
>
> With emacs -Q evaluate (blink-cursor-mode -1). Click the "File" entry
> on the menu bar. When I now move the mouse from one menu entry to
> another it takes approximately 8 seconds until the tooltip is removed
> from the previous entry and shown at the current one.
>
> Reproducible at least since Emacs 24.2 and likely a Windows-only bug.
> It might be related to this part of ‘blink-cursor-timer-function’
>
> ;; Suspend counting blinks when the w32 menu-bar menu is displayed,
> ;; since otherwise menu tooltips will behave erratically.
> (or (and (fboundp 'w32--menu-bar-in-use)
> (w32--menu-bar-in-use))
> (setq blink-cursor-blinks-done (1+ blink-cursor-blinks-done)))
>
> but I cannot imagine how that can have any effect when cursor blinking
> is turned off.
It's a known problem, and I don't know how to fix it (if a fix exists
at all). We need redisplay to update the menu tooltips on Windows,
and without the blinking cursor there's no redisplay.
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#22164: 25.0.50; Turning off blinking cursor mode makes menu tooltips behave erratically
2015-12-13 18:10 ` Eli Zaretskii
@ 2015-12-18 16:55 ` martin rudalics
0 siblings, 0 replies; 3+ messages in thread
From: martin rudalics @ 2015-12-18 16:55 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 22164
> It's a known problem, and I don't know how to fix it (if a fix exists
> at all). We need redisplay to update the menu tooltips on Windows,
> and without the blinking cursor there's no redisplay.
So IIUC we would have to run a timer-based function in that case and
have it cause a redisplay when the menu bar is active.
martin
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-12-13 17:56 bug#22164: 25.0.50; Turning off blinking cursor mode makes menu tooltips behave erratically martin rudalics
2015-12-13 18:10 ` Eli Zaretskii
2015-12-18 16:55 ` martin rudalics
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