patch 9.0.1610: display is wrong when 'smoothscroll' is set
Problem: Display is wrong when 'smoothscroll' is set and scrolling multiple
lines.
Solution: Redraw with UPD_NOT_VALID when "skipcol" is or was set.
(closes #12490, closes #12468)
diff --git a/src/move.c b/src/move.c
index e021d71..4cd4d1c 100644
--- a/src/move.c
+++ b/src/move.c
@@ -1786,7 +1786,6 @@
int width1 = curwin->w_width - curwin_col_off();
int width2 = width1 + curwin_col_off2();
int size = 0;
- linenr_T prev_topline = curwin->w_topline;
colnr_T prev_skipcol = curwin->w_skipcol;
if (do_sms)
@@ -1850,10 +1849,9 @@
}
}
- // TODO: is comparing w_topline with prev_topline still needed?
- if (curwin->w_topline == prev_topline
- || curwin->w_skipcol != prev_skipcol)
- // need to redraw because wl_size of the topline may now be invalid
+ if (prev_skipcol > 0 || curwin->w_skipcol > 0)
+ // need to redraw more, because wl_size of the (new) topline may
+ // now be invalid
redraw_later(UPD_NOT_VALID);
}
else