# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1518363905 -3600
# Node ID ee1a1276a759119dc76fb160a3fd555dc1495e5f
# Parent  f99dea69711d26771236a771f583b652ba516198
patch 8.0.1504: Win32: the screen may be cleared on startup

commit https://github.com/vim/vim/commit/c33ecb291518044f661c5fc10b704fc718321794
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun Feb 11 16:40:45 2018 +0100

    patch 8.0.1504: Win32: the screen may be cleared on startup

    Problem:    Win32: the screen may be cleared on startup.
    Solution:   Only call shell_resized() when the size actually changed. (Ken
                Takata, closes #2527)

diff --git a/src/os_win32.c b/src/os_win32.c
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -1557,7 +1557,13 @@ WaitForChar(long msec, int ignore_input)
 	    if (ir.EventType == FOCUS_EVENT)
 		handle_focus_event(ir);
 	    else if (ir.EventType == WINDOW_BUFFER_SIZE_EVENT)
-		shell_resized();
+	    {
+		/* Only call shell_resized() when the size actually change to
+		 * avoid the screen is cleard. */
+		if (ir.Event.WindowBufferSizeEvent.dwSize.X != Columns
+			|| ir.Event.WindowBufferSizeEvent.dwSize.Y != Rows)
+		    shell_resized();
+	    }
 #ifdef FEAT_MOUSE
 	    else if (ir.EventType == MOUSE_EVENT
 		    && decode_mouse_event(&ir.Event.MouseEvent))
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1504,
+/**/
     1503,
 /**/
     1502,