From: Daniel Mehrmann <mehrmann>
Date: Tue, 10 Feb 2004 23:37:25 +0000 (+0000)
Subject: Cleanup mouse wheel: Only call it if we have moves
X-Git-Tag: v4.2.8~54
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=489d11dd27f897a1e563713724358901822b1e26;p=xboard.git

Cleanup mouse wheel: Only call it if we have moves
---

diff --git a/winboard/winboard.c b/winboard/winboard.c
index 69146fc..c000f95 100644
--- a/winboard/winboard.c
+++ b/winboard/winboard.c
@@ -3112,11 +3112,14 @@ MouseEvent(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 	/* Mouse Wheel is being rolled forward 
 	 * Play moves forward
 	 */
-	if((short)HIWORD(wParam) > 0 ) ForwardEvent();
-	/* Mouse Wheel is being rolled backward 
-	 * Play moves backward
-	 */
-	if((short)HIWORD(wParam) < 0 ) BackwardEvent();
+	if ((short)HIWORD(wParam) > 0) 
+	   if (forwardMostMove > 0 && currentMove != forwardMostMove)
+		   ForwardEvent();
+	   /* Mouse Wheel is being rolled backward 
+	    * Play moves backward
+	    */
+	if ((short)HIWORD(wParam) < 0) 
+	   if (currentMove > 0) BackwardEvent();
 	break;
   case WM_MBUTTONDOWN:
   case WM_RBUTTONDOWN: