patch 9.0.0892: may redraw when not needed
Problem: May redraw when not needed, causing slow scrolling.
Solution: Do not redraw when w_skipcol doesn't change. When w_skipcol
changes only redraw from the top. (issue #11559)
diff --git a/src/ex_getln.c b/src/ex_getln.c
index d3119ba..72f2a3a 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -393,6 +393,7 @@
magic_overruled = is_state->magic_overruled_save;
validate_cursor(); // needed for TAB
+ status_redraw_all();
redraw_all_later(UPD_SOME_VALID);
if (call_update_screen)
update_screen(UPD_SOME_VALID);
@@ -559,6 +560,7 @@
}
validate_cursor();
+
// May redraw the status line to show the cursor position.
if (p_ru && curwin->w_status_height > 0)
curwin->w_redr_status = TRUE;