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patch 8.2.3095: with 'virtualedit' set to "block" block selection is wrong

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Problem:    With 'virtualedit' set to "block" block selection is wrong after
            using "$".  (Marco Trosi)
Solution:   Compute the longest selected line. (closes #8495)
This commit is contained in:
Bram Moolenaar
2021-07-03 22:15:17 +02:00
parent c60e959cba
commit b17ab86e7b
4 changed files with 43 additions and 3 deletions
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33
src/drawscreen.c
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@@ -2009,14 +2009,41 @@ win_update(win_T *wp)
ve_flags = VE_ALL;
#endif
getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc);
++toc;
#if defined(FEAT_LINEBREAK)
ve_flags = save_ve_flags;
#endif
++toc;
// Highlight to the end of the line, unless 'virtualedit' has
// "block".
if (curwin->w_curswant == MAXCOL && !(ve_flags & VE_BLOCK))
toc = MAXCOL;
if (curwin->w_curswant == MAXCOL)
{
if (ve_flags & VE_BLOCK)
{
pos_T pos;
int cursor_above =
curwin->w_cursor.lnum < VIsual.lnum;
// Need to find the longest line.
toc = 0;
pos.coladd = 0;
for (pos.lnum = curwin->w_cursor.lnum; cursor_above
? pos.lnum <= VIsual.lnum
: pos.lnum >= VIsual.lnum;
pos.lnum += cursor_above ? 1 : -1)
{
colnr_T t;
pos.col = STRLEN(ml_get_buf(wp->w_buffer,
pos.lnum, FALSE));
getvvcol(wp, &pos, NULL, NULL, &t);
if (toc < t)
toc = t;
}
++toc;
}
else
toc = MAXCOL;
}
if (fromc != wp->w_old_cursor_fcol
|| toc != wp->w_old_cursor_lcol)