X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=dialogs.c;h=d19a7692caf9733f528e88028f436a798f33e5e9;hb=ebd7f78161504e46896f7d96bb41e29714b2fd53;hp=3f445bb58b152890f6cbd4bc1366396412b7d4cd;hpb=2eb3eb048b16f2ffd1f1c8dad3987871b0f9bd72;p=xboard.git

diff --git a/dialogs.c b/dialogs.c
index 3f445bb..d19a769 100644
--- a/dialogs.c
+++ b/dialogs.c
@@ -1,7 +1,7 @@
 /*
  * dialogs.c -- platform-independent code for dialogs of XBoard
  *
- * Copyright 2000, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
+ * Copyright 2000, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free Software Foundation, Inc.
  * ------------------------------------------------------------------------
  *
  * GNU XBoard is free software: you can redistribute it and/or modify
@@ -2579,7 +2579,7 @@ MenuCallback (int n)
 static Option *
 Exp (int n, int x, int y)
 {
-    static int but1, but3, oldW, oldH;
+    static int but1, but3, oldW, oldH, oldX, oldY;
     int menuNr = -3, sizing, f, r;
     TimeMark now;
     extern Boolean right;
@@ -2590,6 +2590,7 @@ Exp (int n, int x, int y)
     }
 
     if(n == 0) { // motion
+	oldX = x; oldY = y;
 	if(SeekGraphClick(Press, x, y, 1)) return NULL;
 	if((but1 || dragging == 2) && !PromoScroll(x, y)) DragPieceMove(x, y);
 	if(but3) MovePV(x, y, lineGap + BOARD_HEIGHT * (squareSize + lineGap));
@@ -2612,8 +2613,8 @@ Exp (int n, int x, int y)
 	case  3: menuNr = RightClick(Press,   x, y, &pmFromX, &pmFromY), but3 = 1; break;
 	case -2: shiftKey = !shiftKey;
 	case -3: menuNr = RightClick(Release, x, y, &pmFromX, &pmFromY), but3 = 0; break;
-	case  4: BackwardEvent(); break;
-	case  5: ForwardEvent(); break;
+	case  4: Wheel(-1, oldX, oldY); break;
+	case  5: Wheel(1, oldX, oldY); break;
 	case 10:
 	    sizing = (oldW != x || oldH != y);
 	    oldW = x; oldH = y;