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fix(mouse): copy the line before syntax matching (#24320)

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This commit is contained in:
zeertzjq
2023-07-12 08:50:34 +08:00
committed by GitHub
parent bf5703042b
commit bf52fb7193
2 changed files with 14 additions and 10 deletions
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8
src/nvim/mouse.c
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@@ -1692,7 +1692,8 @@ static int mouse_adjust_click(win_T *wp, int row, int col)
// highlighting the second byte, not the ninth.
linenr_T lnum = wp->w_cursor.lnum;
char *line = ml_get(lnum);
// Make a copy of the line, because syntax matching may free it.
char *line = xstrdup(ml_get(lnum));
char *ptr = line;
char *ptr_end;
char *ptr_row_offset = line; // Where we begin adjusting `ptr_end`
@@ -1733,8 +1734,8 @@ static int mouse_adjust_click(win_T *wp, int row, int col)
vcol = offset;
#define INCR() nudge++; ptr_end += utfc_ptr2len((char *)ptr_end)
#define DECR() nudge--; ptr_end -= utfc_ptr2len((char *)ptr_end)
#define INCR() nudge++; ptr_end += utfc_ptr2len(ptr_end)
#define DECR() nudge--; ptr_end -= utfc_ptr2len(ptr_end)
while (ptr < ptr_end && *ptr != NUL) {
int cwidth = win_chartabsize(curwin, ptr, vcol);
@@ -1776,6 +1777,7 @@ static int mouse_adjust_click(win_T *wp, int row, int col)
ptr += utfc_ptr2len(ptr);
}
xfree(line);
return col + nudge;
}