commit 08f23636aef595f4cc061dfee8248dca97df16b3
author Bram Moolenaar <Bram@vim.org> Sat Nov 16 14:19:33 2019 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Nov 16 14:19:33 2019 +0100
tree 90da2416a35ce2c406cca94115f8578e358804c2
parent f4a1d1c0542df151bc59ac3b798ed198b5c71ccc

patch 8.1.2303: cursor in wrong position after horizontal scroll

Problem:    Cursor in wrong position after horizontal scroll.
Solution:   Set w_valid_leftcol.  (closes #5214, closes #5224)

src/move.c

diff --git a/src/move.c b/src/move.c
index d340f02..b010ef9 100644
--- a/src/move.c
+++ b/src/move.c
@@ -1175,6 +1175,9 @@
 	redraw_later(SOME_VALID);
 #endif
 
+    // now w_leftcol is valid, avoid check_cursor_moved() thinking otherwise
+    curwin->w_valid_leftcol = curwin->w_leftcol;
+
     curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL;
 }