Attempt to fix redisplay problems on macOS

* src/nsterm.m (ns_scroll_run): Attempt to fix redisplay
artifacts.  (Bug#63187)

diff --git a/src/nsterm.m b/src/nsterm.m
index c26528e0154581e3328945add4d72e5f5e7bda60..c809c0b824aff5f62440421180f1093c92377815 100644 (file)
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -2704,11 +2704,12 @@ ns_scroll_run (struct window *w, struct run *run)
   {
     NSRect srcRect = NSMakeRect (x, from_y, width, height);
     NSPoint dest = NSMakePoint (x, to_y);
+    NSRect destRect = NSMakeRect (x, from_y, width, height);
     EmacsView *view = FRAME_NS_VIEW (f);
 
     [view copyRect:srcRect to:dest];
 #ifdef NS_IMPL_COCOA
-    [view setNeedsDisplayInRect:srcRect];
+    [view setNeedsDisplayInRect:destRect];
 #endif
   }