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vim-patch:9.0.1603: display wrong if scrolling multiple lines with 'smoothscroll'

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Problem:    Display wrong when scrolling multiple lines with 'smoothscroll'
            set.
Solution:   Redraw when w_skipcol changed. (closes vim/vim#12477, closes vim/vim#12468)

3c80227760
This commit is contained in:
zeertzjq
2023-06-06 06:26:13 +08:00
parent c1ee187f82
commit 9978a9996d
3 changed files with 69 additions and 3 deletions
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6
src/nvim/move.c
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@@ -1345,6 +1345,7 @@ bool scrollup(long line_count, int byfold)
int width2 = width1 + curwin_col_off2();
unsigned size = 0;
linenr_T prev_topline = curwin->w_topline;
const colnr_T prev_skipcol = curwin->w_skipcol;
if (do_sms) {
size = linetabsize(curwin, curwin->w_topline);
@@ -1396,8 +1397,9 @@ bool scrollup(long line_count, int byfold)
}
}
if (curwin->w_topline == prev_topline) {
// need to redraw even though w_topline didn't change
if (curwin->w_topline == prev_topline
|| curwin->w_skipcol != prev_skipcol) {
// need to redraw because wl_size of the topline may now be invalid
redraw_later(curwin, UPD_NOT_VALID);
}
} else {