patch 8.2.4713: plugins cannot track text scrollingv8.2.4713

Problem:    Plugins cannot track text scrolling.
Solution:   Add the WinScrolled event. (closes #10102)

1 files changed, 8 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 2a3d310ab6..fe3571b926 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1336,6 +1336,14 @@ main_loop(
 		curbuf->b_last_changedtick = CHANGEDTICK(curbuf);
 	    }
 
+	    // Ensure curwin->w_topline and curwin->w_leftcol are up to date
+	    // before triggering a WinScrolled autocommand.
+	    update_topline();
+	    validate_cursor();
+
+	    if (!finish_op)
+		may_trigger_winscrolled(curwin);
+
 	    // If nothing is pending and we are going to wait for the user to
 	    // type a character, trigger SafeState.
 	    may_trigger_safestate(!op_pending() && restart_edit == 0);