From bae5d4e92ba010d30ff0560a9411b7c51ba5264b Mon Sep 17 00:00:00 2001
From: mfranz <mfranz>
Date: Sat, 28 Jan 2006 10:40:47 +0000
Subject: [PATCH] write to /sim/startup/xsize only if the size really changed;
 likewise for ysize. This is useful for listeners, e.g. the one that will
 re-position the FPS dialog.

---
 src/Main/renderer.cxx | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Main/renderer.cxx b/src/Main/renderer.cxx
index 9f7ccb0db..7e9c6f997 100644
--- a/src/Main/renderer.cxx
+++ b/src/Main/renderer.cxx
@@ -796,8 +796,13 @@ FGRenderer::resize( int width, int height ) {
 
     glViewport( 0, (GLint)(height - view_h), (GLint)(width), (GLint)(view_h) );
 
-    fgSetInt("/sim/startup/xsize", width);
-    fgSetInt("/sim/startup/ysize", height);
+    static int lastwidth = width;
+    static int lastheight = height;
+    if (width != lastwidth)
+        fgSetInt("/sim/startup/xsize", lastwidth = width);
+    if (height != lastheight)
+        fgSetInt("/sim/startup/ysize", lastheight = height);
+
     guiInitMouse(width, height);
 
     // for all views
-- 
2.39.5