commit 02e177d3e85e089ebdfba1a7d937150cffcb287a
author Bram Moolenaar <Bram@vim.org> Sat Aug 26 23:43:28 2017 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Aug 26 23:43:28 2017 +0200
tree 8dd39ac4f0b474700a6f0935c98ac2fa99586fe8
parent 0903d56f5ca69bb1fa0bbb00ed2a3d9c4d06ddb4

patch 8.0.1002: unnecessarily updating screen after timer callback

Problem:    Unnecessarily updating screen after timer callback.
Solution:   Check if calling the timer sets must_redraw.

src/channel.c

diff --git a/src/channel.c b/src/channel.c
index b31d95d..886522b 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -2887,7 +2887,7 @@
 	      if (channel_need_redraw)
 	      {
 		  channel_need_redraw = FALSE;
-		  redraw_after_callback();
+		  redraw_after_callback(TRUE);
 	      }
 
 	      if (!channel->ch_drop_never)
@@ -4130,7 +4130,7 @@
     if (channel_need_redraw)
     {
 	channel_need_redraw = FALSE;
-	redraw_after_callback();
+	redraw_after_callback(TRUE);
     }
 
     --safe_to_invoke_callback;
@@ -5230,7 +5230,7 @@
     if (channel_need_redraw)
     {
 	channel_need_redraw = FALSE;
-	redraw_after_callback();
+	redraw_after_callback(TRUE);
     }
 }