Trim board-window size

The board window will sometimes be a pixel larger than requested.
The ReSize routine will now reset the size values in the Graph Option
to what they were supposed to be, to prevent expose events will
draw nonsense in the extra space.

diff --git a/xboard.c b/xboard.c
index c6f0c80..3e8de0b 100644 (file)
--- a/xboard.c
+++ b/xboard.c
@@ -1724,7 +1724,7 @@ CoDrag (Widget sh, WindowPlacement *wp)
 void
 ReSize (WindowPlacement *wp)
 {
-       int sqx, sqy;
+       int sqx, sqy, w, h;
        if(wp->width == wpMain.width && wp->height == wpMain.height) return; // not sized
        sqx = (wp->width  - lineGap - marginW) / BOARD_WIDTH - lineGap;
        sqy = (wp->height - lineGap - marginH) / BOARD_HEIGHT - lineGap;
@@ -1734,6 +1734,10 @@ ReSize (WindowPlacement *wp)
            CreatePNGPieces(); // make newly scaled pieces
            InitDrawingSizes(0, 0); // creates grid etc.
        } else ResizeBoardWindow(BOARD_WIDTH * (squareSize + lineGap) + lineGap, BOARD_HEIGHT * (squareSize + lineGap) + lineGap, 0);
+       w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
+       h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
+       if(optList->max   > w) optList->max = w;
+       if(optList->value > h) optList->value = h;
 }
 
 static XtIntervalId delayedDragID = 0;