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patch 8.1.2337: double-click time sometimes miscomputed

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Problem:    Double-click time sometimes miscomputed.
Solution:   Correct time computation. (Dominique Pelle, closes #5259)
This commit is contained in:
Bram Moolenaar
2019-11-22 22:21:59 +01:00
parent 4ebe0e62d0
commit 85c3502ef5
3 changed files with 19 additions and 10 deletions
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25
src/mouse.c
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@@ -13,6 +13,22 @@
#include "vim.h"
#ifdef CHECK_DOUBLE_CLICK
/*
* Return the duration from t1 to t2 in milliseconds.
*/
static long
time_diff_ms(struct timeval *t1, struct timeval *t2)
{
// This handles wrapping of tv_usec correctly without any special case.
// Example of 2 pairs (tv_sec, tv_usec) with a duration of 5 ms:
// t1 = (1, 998000) t2 = (2, 3000) gives:
// (2 - 1) * 1000 + (3000 - 998000) / 1000 -> 5 ms.
return (t2->tv_sec - t1->tv_sec) * 1000
+ (t2->tv_usec - t1->tv_usec) / 1000;
}
#endif
/*
* Get class of a character for selection: same class means same word.
* 0: blank
@@ -2713,14 +2729,7 @@ check_termcode_mouse(
timediff = p_mouset;
}
else
{
timediff = (mouse_time.tv_usec
- orig_mouse_time.tv_usec) / 1000;
if (timediff < 0)
--orig_mouse_time.tv_sec;
timediff += (mouse_time.tv_sec
- orig_mouse_time.tv_sec) * 1000;
}
timediff = time_diff_ms(&orig_mouse_time, &mouse_time);
orig_mouse_time = mouse_time;
if (mouse_code == orig_mouse_code
&& timediff < p_mouset