Use side-by-side boards to display background game

[xboard.git] / winboard / winboard.c

diff --git a/winboard/winboard.c b/winboard/winboard.c
index e417559..6eca914 100644 (file)
--- a/winboard/winboard.c
+++ b/winboard/winboard.c
@@ -1906,6 +1906,7 @@ ResizeBoard(int newSizeX, int newSizeY, int flags)
 }\r
 \r
 \r
+extern Boolean twoBoards, partnerUp; // [HGM] dual\r
 \r
 VOID\r
 InitDrawingSizes(BoardSize boardSize, int flags)\r
@@ -2041,6 +2042,7 @@ InitDrawingSizes(BoardSize boardSize, int flags)
   winW = 2 * GetSystemMetrics(SM_CXFRAME) + boardRect.right + OUTER_MARGIN;\r
   winH = 2 * GetSystemMetrics(SM_CYFRAME) + GetSystemMetrics(SM_CYMENU) +\r
     GetSystemMetrics(SM_CYCAPTION) + boardRect.bottom + OUTER_MARGIN;\r
+  winW *= 1 + twoBoards;\r
   if(suppressVisibleEffects) return; // [HGM] when called for filling sizeInfo only\r
   wpMain.width = winW;  // [HGM] placement: set through temporary which can used by initial sizing choice\r
   wpMain.height = winH; //       without disturbing window attachments\r
@@ -3181,6 +3183,7 @@ HDCDrawPosition(HDC hdc, BOOLEAN repaint, Board board)
   if( DrawPositionNeedsFullRepaint() ) {\r
       fullrepaint = TRUE;\r
   }\r
+  if(twoBoards) fullrepaint = TRUE; // [HGM] dual: our memory of last-drawn will be all wrong\r
 \r
   if (board == NULL) {\r
     if (!lastReqValid) {\r
@@ -3486,7 +3489,7 @@ HDCDrawPosition(HDC hdc, BOOLEAN repaint, Board board)
    * This way we avoid any flickering\r
    */\r
   oldBitmap = SelectObject(tmphdc, bufferBitmap);\r
-  BitBlt(hdc, boardRect.left, boardRect.top,\r
+  BitBlt(hdc, boardRect.left + twoBoards*partnerUp*wpMain.width/2, boardRect.top, // [HGM] dual\r
         boardRect.right - boardRect.left,\r
         boardRect.bottom - boardRect.top,\r
         tmphdc, boardRect.left, boardRect.top, SRCCOPY);\r