From: Alan Third <alan@idiocy.org>
Date: Sun, 3 Sep 2017 12:51:14 +0000 (+0100)
Subject: Force screen update after drawing cursor glyph (bug#23774)
X-Git-Tag: emacs-26.0.90~267
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=1b492fa5456e2b6face8d0856f11d17e432693b0;p=emacs.git

Force screen update after drawing cursor glyph (bug#23774)

* src/nsterm.m (ns_draw_window_cursor): Force a screen update after
drawing the glyph over the cursor.
---

diff --git a/src/nsterm.m b/src/nsterm.m
index ff3329d1cee..6b0e18bf439 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -3143,7 +3143,16 @@ ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
 
   /* draw the character under the cursor */
   if (cursor_type != NO_CURSOR)
-    draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
+    {
+      draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
+
+#ifdef NS_IMPL_COCOA
+      /* The glyph under the cursor isn't displayed when switching
+         spaces, so force an update.  This seems to be related to the
+         use of NSDisableScreenUpdates.  */
+      [FRAME_NS_VIEW (f) setNeedsDisplay:YES];
+#endif
+    }
 
 #ifdef NS_IMPL_COCOA
   NSEnableScreenUpdates ();