patch 8.2.2874: MS-Windows: screen redraws too often

Problem: MS-Windows: screen redraws too often. Solution: Do not redraw when peeking for a character. (closes #8230, closes #8211)
vim · May 20, 2021 · 4eb1914 · 4eb1914
1 parent 46aa6f9
commit 4eb1914
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/os_win32.c b/src/os_win32.c
@@ -1648,7 +1648,9 @@ WaitForChar(long msec, int ignore_input)
 	peek_console_input(g_hConIn, &ir, 1, &cRecords);
 
 # ifdef FEAT_MBYTE_IME
-	if (State & CMDLINE && msg_row == Rows - 1)
+	// May have to redraw if the cursor ends up in the wrong place.
+	// Only when not peeking.
+	if (State & CMDLINE && msg_row == Rows - 1 && msec != 0)
 	{
 	    CONSOLE_SCREEN_BUFFER_INFO csbi;
 

diff --git a/src/version.c b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2874,
 /**/
     2873,
 /**/