X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=3eea34d3a6e3d4ec8f18f81a49bea9c6059d0b7e;hb=eca6bb833394a9a378dd209cefb2c1a5e721f2a9;hp=b2cd7c3c42c998220e3cb2db062a1b9565dc5293;hpb=e4def842c0f4ed63df0196ac34ffdeb6a12304fe;p=xboard.git

diff --git a/backend.c b/backend.c
index b2cd7c3..3eea34d 100644
--- a/backend.c
+++ b/backend.c
@@ -387,7 +387,7 @@ u64ToDouble (u64 value)
    by this function.
  */
 int
-PosFlags (index)
+PosFlags (int index)
 {
   int flags = F_ALL_CASTLE_OK;
   if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
@@ -7431,7 +7431,7 @@ MarkTargetSquares (int clear)
   if(clear) { // no reason to ever suppress clearing
     for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
     hoverSavedValid = 0;
-    if(!sum) return; // nothing was cleared,no redraw needed
+    if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
   } else {
     int capt = 0;
     if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
@@ -7525,11 +7525,13 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 {
     int x, y;
     Boolean saveAnimate;
-    static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
+    static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
     char promoChoice = NULLCHAR;
     ChessSquare piece;
     static TimeMark lastClickTime, prevClickTime;
 
+    if(flashing) return;
+
     x = EventToSquare(xPix, BOARD_WIDTH);
     y = EventToSquare(yPix, BOARD_HEIGHT);
     if (!flipView && y >= 0) {
@@ -7678,7 +7680,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 		doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
 	    }
 	    promoDefaultAltered = FALSE;
-	    MarkTargetSquares(1);
+	   if(!second) MarkTargetSquares(1);
 	   if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
 	    if (appData.highlightDragging) {
 		SetHighlights(x, y, -1, -1);
@@ -7735,10 +7737,11 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 	    second = 0;
 	    fromX = fromY = -1;
 	    gatingPiece = EmptySquare;
-	    MarkTargetSquares(1);
 	    ClearHighlights();
 	    gotPremove = 0;
 	    ClearPremoveHighlights();
+	    MarkTargetSquares(-1);
+	    DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
 	} else {
 	    /* First upclick in same square; start click-click mode */
 	    SetHighlights(x, y, -1, -1);
@@ -7787,6 +7790,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 	    if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
 	    selectFlag = 0; lastX = xPix; lastY = yPix;
 	    ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
+	    saveFlash = appData.flashCount; appData.flashCount = 0;
 	    Sweep(0); // Pawn that is going to promote: preview promotion piece
 	    sweepSelecting = 1;
 	    DisplayMessage("", _("Pull pawn backwards to under-promote"));
@@ -7800,14 +7804,16 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 	} else {
 	    ClearHighlights();
 	}
+	MarkTargetSquares(1);
     } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
 	sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
-        *promoRestrict = 0;
+        *promoRestrict = 0; appData.flashCount = saveFlash;
 	if (appData.animate || appData.highlightLastMove) {
 	    SetHighlights(fromX, fromY, toX, toY);
 	} else {
 	    ClearHighlights();
 	}
+	MarkTargetSquares(1);
     } else {
 #if 0
 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
@@ -7837,6 +7843,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 	DragPieceEnd(xPix, yPix); dragging = 0;
 	/* Don't animate move and drag both */
 	appData.animate = FALSE;
+        MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
     }
 
     // moves into holding are invalid for now (except in EditPosition, adapting to-square)
@@ -7894,19 +7901,20 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 	PromotionPopUp(promoChoice);
     } else {
 	int oldMove = currentMove;
+	flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
 	UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
 	if (!appData.highlightLastMove || gotPremove) ClearHighlights();
 	if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
 	if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
 	   Explode(boards[currentMove-1], fromX, fromY, toX, toY))
 	    DrawPosition(TRUE, boards[currentMove]);
-        MarkTargetSquares(1);
 	fromX = fromY = -1;
+	flashing = 0;
     }
     appData.animate = saveAnimate;
     if (appData.animate || appData.animateDragging) {
 	/* Undo animation damage if needed */
-	DrawPosition(FALSE, NULL);
+//	DrawPosition(FALSE, NULL);
     }
 }
 
@@ -12089,21 +12097,17 @@ AutoPlayOneMove ()
 	    SetHighlights(-1, -1, toX, toY);
 	}
     } else {
-        int viaX = moveList[currentMove][5] - AAA;
-        int viaY = moveList[currentMove][6] - ONE;
         fromX = moveList[currentMove][0] - AAA;
         fromY = moveList[currentMove][1] - ONE;
 
         HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
 
         if(moveList[currentMove][4] == ';') { // multi-leg
-            ChessSquare piece = boards[currentMove][viaY][viaX];
-	    AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
-            boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
-            AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
-            boards[currentMove][viaY][viaX] = piece;
-        } else
+            killX = moveList[currentMove][5] - AAA;
+            killY = moveList[currentMove][6] - ONE;
+        }
 	AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
+	killX = killY = -1;
 
 	if (appData.highlightLastMove) {
 	    SetHighlights(fromX, fromY, toX, toY);
@@ -15860,19 +15864,15 @@ ForwardInner (int target)
 		SetHighlights(-1, -1, toX, toY);
 	    }
 	} else {
-            int viaX = moveList[target - 1][5] - AAA;
-            int viaY = moveList[target - 1][6] - ONE;
             fromX = moveList[target - 1][0] - AAA;
             fromY = moveList[target - 1][1] - ONE;
 	    if (target == currentMove + 1) {
 		if(moveList[target - 1][4] == ';') { // multi-leg
-		    ChessSquare piece = boards[currentMove][viaY][viaX];
-		    AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
-		    boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
-		    AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
-		    boards[currentMove][viaY][viaX] = piece;
-		} else
+		    killX = moveList[target - 1][5] - AAA;
+		    killY = moveList[target - 1][6] - ONE;
+		}
 		AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
+		killX = killY = -1;
 	    }
 	    if (appData.highlightLastMove) {
 		SetHighlights(fromX, fromY, toX, toY);