X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=winboard%2Fwinboard.c;h=c000f959ebcf3a2e2123e2858ed2b54a23e3b4c7;hb=489d11dd27f897a1e563713724358901822b1e26;hp=cd2e98cf78d1cb0b0581eb7a304ed8944bcdfdd9;hpb=1787d72dbd0f3ff703050df00dc6ebb5eebe14d7;p=xboard.git

diff --git a/winboard/winboard.c b/winboard/winboard.c
index cd2e98c..c000f95 100644
--- a/winboard/winboard.c
+++ b/winboard/winboard.c
@@ -3108,7 +3108,19 @@ MouseEvent(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
       dragInfo.lastpos = dragInfo.pos;
     }
     break;
-
+  case WM_MOUSEWHEEL:
+	/* Mouse Wheel is being rolled forward 
+	 * Play moves forward
+	 */
+	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:
     ErrorPopDown();
@@ -3415,6 +3427,7 @@ WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
   case WM_MBUTTONUP:
   case WM_RBUTTONUP:
   case WM_MOUSEMOVE:
+  case WM_MOUSEWHEEL:
     MouseEvent(hwnd, message, wParam, lParam);
     break;
 
@@ -4072,6 +4085,26 @@ WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  *
 \*---------------------------------------------------------------------------*/
 
+/*
+ * Decent random number generator, at least not as bad as Windows
+ * standard rand, which returns a value in the range 0 to 0x7fff.
+ */
+unsigned int randstate;
+
+int
+myrandom(void)
+{
+  randstate = randstate * 1664525 + 1013904223;
+  return (int) randstate & 0x7fffffff;
+}
+
+void
+mysrandom(unsigned int seed)
+{
+  randstate = seed;
+}
+
+
 /* 
  * returns TRUE if user selects a different color, FALSE otherwise 
  */
@@ -6334,11 +6367,9 @@ DisplayMessage(char *str1, char *str2)
 VOID
 DisplayError(char *str, int error)
 {
-  FARPROC lpProc;
   char buf[MSG_SIZ*2], buf2[MSG_SIZ];
   int len;
-  char *p, *q;
-
+ 
   if (error == 0) {
     strcpy(buf, str);
   } else {