Reverse mousewheel action

[xboard.git] / winboard / winboard.c

diff --git a/winboard/winboard.c b/winboard/winboard.c
index 0ac478c..b5b0594 100644 (file)
--- a/winboard/winboard.c
+++ b/winboard/winboard.c
@@ -3866,12 +3866,12 @@ MouseEvent(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
        /* Mouse Wheel is being rolled forward\r
         * Play moves forward\r
         */\r
-       if((short)HIWORD(wParam) > 0 && currentMove < forwardMostMove) \r
+       if((short)HIWORD(wParam) < 0 && currentMove < forwardMostMove) \r
                { if(lastDir == 1) ForwardEvent(); else lastDir = 1; } // [HGM] suppress first event in direction\r
        /* Mouse Wheel is being rolled backward\r
         * Play moves backward\r
         */\r
-       if((short)HIWORD(wParam) < 0 && currentMove > backwardMostMove) \r
+       if((short)HIWORD(wParam) > 0 && currentMove > backwardMostMove) \r
                { if(lastDir == -1) BackwardEvent(); else lastDir = -1; }\r
     }\r
     break;\r