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patch 9.0.1568: with 'smoothscroll' cursor may move below botline

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Problem:    With 'smoothscroll' cursor may move below botline.
Solution:   Call redraw_later() if needed,  Compute cursor row with adjusted
            condition. (Luuk van Baal, closes #12415)
This commit is contained in:
Luuk van Baal
2023-05-19 14:04:47 +01:00
committed by Bram Moolenaar
parent d13c254d10
commit d49f646bf5
9 changed files with 75 additions and 9 deletions
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7
src/move.c
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@@ -519,6 +519,8 @@ update_topline(void)
// When 'smoothscroll' is not set, should reset w_skipcol.
if (!curwin->w_p_sms)
reset_skipcol();
else if (curwin->w_skipcol != 0)
redraw_later(UPD_SOME_VALID);
// May need to set w_skipcol when cursor in w_topline.
if (curwin->w_cursor.lnum == curwin->w_topline)
@@ -892,10 +894,11 @@ curs_rows(win_T *wp)
--i; // hold at inserted lines
}
if (valid
&& (lnum != wp->w_topline || (wp->w_skipcol == 0
#ifdef FEAT_DIFF
&& (lnum != wp->w_topline || !wp->w_p_diff)
&& !wp->w_p_diff
#endif
)
)))
{
#ifdef FEAT_FOLDING
lnum = wp->w_lines[i].wl_lastlnum + 1;