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patch 8.0.0683: visual bell flashes too quickly

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Problem:    When using a visual bell there is no delay, causing the flash to
            be very short, possibly unnoticeable.  Also, the flash and the
            beep can lockup the UI when repeated often.
Solution:   Do the delay in Vim or flush the output before the delay. Limit the
            bell to once per half a second. (Ozaki Kiichi, closes #1789)
This commit is contained in:
Bram Moolenaar
2017-06-27 17:09:37 +02:00
parent 0b2eef24bc
commit 2e147caa14
4 changed files with 95 additions and 9 deletions
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32
src/misc1.c
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@@ -3685,16 +3685,30 @@ vim_beep(
{
if (!((bo_flags & val) || (bo_flags & BO_ALL)))
{
if (p_vb
#ifdef FEAT_GUI
/* While the GUI is starting up the termcap is set for the
* GUI but the output still goes to a terminal. */
&& !(gui.in_use && gui.starting)
#ifdef ELAPSED_FUNC
static int did_init = FALSE;
static ELAPSED_TYPE start_tv;
/* Only beep once per half a second, otherwise a sequence of beeps
* would freeze Vim. */
if (!did_init || ELAPSED_FUNC(start_tv) > 500)
{
did_init = TRUE;
ELAPSED_INIT(start_tv);
#endif
if (p_vb
#ifdef FEAT_GUI
/* While the GUI is starting up the termcap is set for
* the GUI but the output still goes to a terminal. */
&& !(gui.in_use && gui.starting)
#endif
)
out_str_cf(T_VB);
else
out_char(BELL);
#ifdef ELAPSED_FUNC
}
#endif
)
out_str(T_VB);
else
out_char(BELL);
}
/* When 'verbose' is set and we are sourcing a script or executing a