X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=winboard%2Fwevalgraph.c;h=3f1f07644849c018370fed2316b85a2567b857ef;hb=HEAD;hp=bca5b955d2a0d4027462d9235763da17be2967a8;hpb=79173c63a1184a8c99f5b25ae5d20ccf27ac01bc;p=xboard.git

diff --git a/winboard/wevalgraph.c b/winboard/wevalgraph.c
index bca5b95..3f1f076 100644
--- a/winboard/wevalgraph.c
+++ b/winboard/wevalgraph.c
@@ -5,6 +5,9 @@
  *
  * Copyright 2005 Alessandro Scotti
  *
+ * Enhancements Copyright 2009, 2010, 2011, 2012, 2013, 2014, 2015,
+ * 2016 Free Software Foundation, Inc.
+ *
  * ------------------------------------------------------------------------
  *
  * GNU XBoard is free software: you can redistribute it and/or modify
@@ -49,7 +52,7 @@ static COLORREF crBlack = RGB( 0xAD, 0x5D, 0x3D );
 
 static HDC hdcPB = NULL;
 static HBITMAP hbmPB = NULL;
-static HPEN pens[6]; // [HGM] put all pens in one array
+static HPEN pens[PEN_ANY+1]; // [HGM] put all pens in one array
 static HBRUSH hbrHist[3] = { NULL, NULL, NULL };
 
 Boolean EvalGraphIsUp()
@@ -123,11 +126,11 @@ static VOID DisplayEvalGraph( HWND hWnd, HDC hDC )
     /* Create or recreate paint box if needed */
     if( hbmPB == NULL || width != nWidthPB || height != nHeightPB ) {
         if( pens[PEN_DOTTED] == NULL ) {
-	    pens[PEN_BLACK]     = GetStockObject(BLACK_PEN);
-            pens[PEN_DOTTED]    = CreatePen( PS_DOT, 0, RGB(0xA0,0xA0,0xA0) );
+	    pens[PEN_BLACK]      = GetStockObject(BLACK_PEN);
+            pens[PEN_DOTTED]     = CreatePen( PS_DOT, 0, RGB(0xA0,0xA0,0xA0) );
             pens[PEN_BLUEDOTTED] = CreatePen( PS_DOT, 0, RGB(0x00,0x00,0xFF) );
-            pens[PEN_BOLD]      = CreatePen( PS_SOLID, 2, crWhite );
-            pens[PEN_BOLD+1]    = CreatePen( PS_SOLID, 2, crBlack );
+            pens[PEN_BOLDWHITE]  = CreatePen( PS_SOLID, 2, crWhite );
+            pens[PEN_BOLDBLACK]  = CreatePen( PS_SOLID, 2, crBlack );
             hbrHist[0] = CreateBrush( BS_SOLID, crWhite );
             hbrHist[1] = CreateBrush( BS_SOLID, crBlack );
             hbrHist[2] = CreateBrush( BS_SOLID, GetSysColor( COLOR_3DFACE ) ); // background
@@ -154,6 +157,7 @@ static VOID DisplayEvalGraph( HWND hWnd, HDC hDC )
 
     // back-end painting; calls back front-end primitives for lines, rectangles and text
     PaintEvalGraph();
+    SetWindowText(hWnd, MakeEvalTitle(differentialView ? T_("Blunder Graph") : T_("Evaluation Graph")));
 
     /* Copy bitmap into destination DC */
     BitBlt( hDC, 0, 0, nWidthPB, nHeightPB, hdcPB, 0, 0, SRCCOPY );
@@ -205,13 +209,20 @@ LRESULT CALLBACK EvalGraphProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM l
         EndPaint( hDlg, &stPS );
         break;
 
+    case WM_MOUSEWHEEL:
+        if((short)HIWORD(wParam) < 0) appData.zoom++;
+        if((short)HIWORD(wParam) > 0 && appData.zoom > 1)  appData.zoom--;
+        goto paint;
+    case WM_RBUTTONDOWN:
+        differentialView = !differentialView;
     case WM_REFRESH_GRAPH:
+    paint:
         hDC = GetDC( hDlg );
         DisplayEvalGraph( hDlg, hDC );
         ReleaseDC( hDlg, hDC );
         break;
 
-    case WM_LBUTTONDBLCLK:
+    case WM_LBUTTONDOWN:
         if( wParam == 0 || wParam == MK_LBUTTON ) {
             int index = GetMoveIndexFromPoint( LOWORD(lParam), HIWORD(lParam) );