Also do selective redraw with showTargetSquares on

[xboard.git] / backend.c

diff --git a/backend.c b/backend.c
index afe428e..2bde9f6 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -6932,7 +6932,7 @@ MarkTargetSquares (int clear)
       for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
     }
   }
-  DrawPosition(TRUE, NULL);
+  DrawPosition(FALSE, NULL);
 }
 
 int
@@ -7174,7 +7174,6 @@ LeftClick (ClickType clickType, int xPix, int yPix)
     toX = x;
     toY = y;
     saveAnimate = appData.animate;
-    MarkTargetSquares(1);
     if (clickType == Press) {
        if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
            // must be Edit Position mode with empty-square selected
@@ -7191,7 +7190,10 @@ LeftClick (ClickType clickType, int xPix, int yPix)
        if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
          if(appData.sweepSelect) {
            ChessSquare piece = boards[currentMove][fromY][fromX];
+           ChessSquare victim = boards[currentMove][toY][toX];
+           boards[currentMove][toY][toX] = piece; // kludge: make sure there is something to grab for drag
            DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
+           boards[currentMove][toY][toX] = victim;
            promoSweep = defaultPromoChoice;
            if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
            selectFlag = 0; lastX = xPix; lastY = yPix;
@@ -7212,6 +7214,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
        /* Don't animate move and drag both */
        appData.animate = FALSE;
     }
+    MarkTargetSquares(1);
 
     // moves into holding are invalid for now (except in EditPosition, adapting to-square)
     if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {