X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=e314d4237858347838c92b2b8a960d84984a1705;hb=c082824a507c0fb577beb908ed5615a161c6c6fa;hp=f00997e64c868140cdf9cd08db64ada225a0502f;hpb=76eeac799f3f52daca65d22d124cba0a0f9ee691;p=xboard.git

diff --git a/backend.c b/backend.c
index f00997e..e314d42 100644
--- a/backend.c
+++ b/backend.c
@@ -920,6 +920,7 @@ Load (ChessProgramState *cps, int i)
 	p[-1] = 0;
 	appData.directory[i] = strdup(engineName);
 	p[-1] = SLASH;
+	if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
     } else appData.directory[i] = ".";
     if(params[0]) {
 	if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
@@ -2616,6 +2617,13 @@ SeekGraphClick (ClickType click, int x, int y, int moving)
 {
     static int lastDown = 0, displayed = 0, lastSecond;
     if(y < 0) return FALSE;
+    if(!(appData.seekGraph && appData.icsActive && loggedOn &&
+	(gameMode == BeginningOfGame || gameMode == IcsIdle))) {
+	if(!seekGraphUp) return FALSE;
+	seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
+	DrawPosition(TRUE, NULL);
+	return TRUE;
+    }
     if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
 	if(click == Release || moving) return FALSE;
 	nrOfSeekAds = 0;
@@ -3562,7 +3570,7 @@ read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int
 	    if (looking_at(buf, &i, "% ") ||
 		((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
 		 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
-		if(soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
+		if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
 		    soughtPending = FALSE;
 		    seekGraphUp = TRUE;
 		    DrawSeekGraph();
@@ -4210,6 +4218,7 @@ ParseBoard12 (char *string)
 	newGameMode =
 	  ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
 	    IcsPlayingWhite : IcsPlayingBlack;
+	soughtPending =FALSE; // [HGM] seekgraph: solve race condition
 	break;
       case RELATION_EXAMINING:
 	newGameMode = IcsExamining;
@@ -5417,6 +5426,9 @@ LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
 		first.option[multi].value = n;
 		*start = *end = 0;
 		return FALSE;
+	} else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
+		DisplayNote("Yes!");
+		return;
 	}
 	ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
 	*start = startPV; *end = index-1;
@@ -6095,6 +6107,45 @@ SendBoard (ChessProgramState *cps, int moveNum)
     setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
 }
 
+char exclusionHeader[MSG_SIZ];
+int exCnt, excludePtr, mappedMove = -1;
+typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
+static Exclusion excluTab[200];
+static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
+
+void
+ClearMap ()
+{
+    int j;
+    mappedMove = -1;
+    for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = 0;
+    safeStrCpy(exclusionHeader, "exclude: none best  tail                                          \n", MSG_SIZ);
+    excludePtr = 24; exCnt = 0;
+}
+
+void
+UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, int incl)
+{
+    char buf[2*MOVE_LEN], *p, c = incl ? '+' : '-';
+    Exclusion *e = excluTab;
+    int i;
+    for(i=0; i<exCnt; i++)
+	if(e[i].ff == fromX && e[i].fr == fromY &&
+	   e[i].tf == toX   && e[i].tr == toY && e[i].pc == promoChar) break;
+    if(i == exCnt) { // was not in exclude list; add it
+	CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
+	if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
+	    if(c != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
+	    return; // abort
+	}
+	e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
+	excludePtr++; e[i].mark = excludePtr++;
+	for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
+	exCnt++;
+    }
+    exclusionHeader[e[i].mark] = c;
+}
+
 ChessSquare
 DefaultPromoChoice (int white)
 {
@@ -6396,12 +6447,15 @@ int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
 int lastLoadGameUseList = FALSE;
 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
 ChessMove lastLoadGameStart = EndOfFile;
+int doubleClick;
 
 void
 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
 {
     ChessMove moveType;
     ChessSquare pdown, pup;
+    int ff=fromX, rf=fromY, ft=toX, rt=toY;
+
 
     /* Check if the user is playing in turn.  This is complicated because we
        let the user "pick up" a piece before it is his turn.  So the piece he
@@ -6537,6 +6591,18 @@ UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
         return;
     }
 
+    if(doubleClick && (toX == -2 || toY == -2)) { // [HGM] exclude: off-board move means exclude all
+	int i; // note that drop moves still have holdings coords as from-square at this point
+	ChessMove moveType; char pc;
+	for(i=0; i<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; i++) excludeMap[i] = -(toY == -2);
+	mappedMove = currentMove;
+	if(toY != -2) { SendToProgram("include all\n", &first); return; }
+	SendToProgram("exclude all\n", &first);
+	i = ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &pc);
+	ff=fromX, rf=fromY, ft=toX, rt=toY, promoChar = pc; // make copy that will survive drop encoding
+	if(!i) return; // kludge: continue with move changed to engine's last-reported best, so it gets included again.
+    }
+
     if(toX < 0 || toY < 0) return;
     pdown = boards[currentMove][fromY][fromX];
     pup = boards[currentMove][toY][toX];
@@ -6568,6 +6634,22 @@ UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
 	}
     }
 
+    if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
+	int i=(BOARD_FILES*rf+ff)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*rt+ft), j;
+	char buf[MSG_SIZ];
+	if(mappedMove != currentMove) ClearMap();
+	j = i%8; i >>= 3;
+	snprintf(buf, MSG_SIZ, "%sclude ", excludeMap[i] & 1<<j ? "in" : "ex");
+	if(excludeMap[i] & 1<<j) ClearPremoveHighlights();
+	else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt);
+	if(!promoChar) excludeMap[i] ^= 1<<j;
+	mappedMove = currentMove;
+	CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
+	SendToProgram(buf, &first);
+	UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, buf[0] == 'i');
+	return;
+    }
+
     FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
 }
 
@@ -6639,6 +6721,8 @@ FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int prom
     else forwardMostMove = currentMove;
   }
 
+  ClearMap();
+
   /* If we need the chess program but it's dead, restart it */
   ResurrectChessProgram();
 
@@ -6828,12 +6912,11 @@ LeftClick (ClickType clickType, int xPix, int yPix)
     static int second = 0, promotionChoice = 0, clearFlag = 0;
     char promoChoice = NULLCHAR;
     ChessSquare piece;
+    static TimeMark lastClickTime, prevClickTime;
 
-    if(appData.seekGraph && appData.icsActive && loggedOn &&
-	(gameMode == BeginningOfGame || gameMode == IcsIdle)) {
-	SeekGraphClick(clickType, xPix, yPix, 0);
-	return;
-    }
+    if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
+
+    prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
 
     if (clickType == Press) ErrorPopDown();
 
@@ -6882,7 +6965,13 @@ LeftClick (ClickType clickType, int xPix, int yPix)
               || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
 	return;
 
-    if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
+    if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
+	// could be static click on premove from-square: abort premove
+	gotPremove = 0;
+	ClearPremoveHighlights();
+    }
+
+    if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
 	fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
 
     if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
@@ -6903,6 +6992,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 	}
 	return;
       }
+      doubleClick = FALSE;
       fromX = x; fromY = y; toX = toY = -1;
       if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
 	 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
@@ -6949,6 +7039,10 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 	     !(fromP == BlackKing && toP == BlackRook && frc))) {
 	    /* Clicked again on same color piece -- changed his mind */
 	    second = (x == fromX && y == fromY);
+	    if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
+		second = FALSE; // first double-click rather than scond click
+		doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
+	    }
 	    promoDefaultAltered = FALSE;
 	    MarkTargetSquares(1);
 	   if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
@@ -6962,7 +7056,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 		  (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
                y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
                  gatingPiece = boards[currentMove][fromY][fromX];
-		else gatingPiece = EmptySquare;
+		else gatingPiece = doubleClick ? fromP : EmptySquare;
 		fromX = x;
 		fromY = y; dragging = 1;
 		MarkTargetSquares(0);
@@ -7084,7 +7178,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
     // off-board moves should not be highlighted
     if(x < 0 || y < 0) ClearHighlights();
 
-    if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
+    if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
 
     if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
 	SetHighlights(fromX, fromY, toX, toY);
@@ -8353,7 +8447,7 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.
 
     /*
      * If chess program startup fails, exit with an error message.
-     * Attempts to recover here are futile.
+     * Attempts to recover here are futile. [HGM] Well, we try anyway
      */
     if ((StrStr(message, "unknown host") != NULL)
 	|| (StrStr(message, "No remote directory") != NULL)
@@ -8367,7 +8461,17 @@ if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.
 		_(cps->which), cps->program, cps->host, message);
 	RemoveInputSource(cps->isr);
 	if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
-	    if(cps == &first) appData.noChessProgram = TRUE;
+	    cps->isr = NULL;
+	    DestroyChildProcess(cps->pr, 9 ); // just to be sure
+	    cps->pr = NoProc; 
+	    if(cps == &first) {
+		appData.noChessProgram = TRUE;
+		gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
+		gameMode = BeginningOfGame; ModeHighlight();
+		SetNCPMode();
+	    }
+	    if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
+	    DisplayMessage("", ""); // erase waiting message
 	    DisplayError(buf1, 0);
 	}
 	return;
@@ -10693,6 +10797,7 @@ Reset (int redraw, int init)
     DisplayMessage("", "");
     HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
     lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
+    ClearMap();        // [HGM] exclude: invalidate map
 }
 
 void
@@ -13676,6 +13781,7 @@ EditPositionEvent ()
     currentMove = forwardMostMove = backwardMostMove = 0;
     HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
     DisplayMove(-1);
+    if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
 }
 
 void
@@ -14282,6 +14388,7 @@ ForwardInner (int target)
     if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
 	DisplayComment(currentMove - 1, commentList[currentMove]);
     }
+    ClearMap(); // [HGM] exclude: invalidate map
 }
 
 
@@ -14395,6 +14502,7 @@ BackwardInner (int target)
     HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
     // [HGM] PV info: routine tests if comment empty
     DisplayComment(currentMove - 1, commentList[currentMove]);
+    ClearMap(); // [HGM] exclude: invalidate map
 }
 
 void
@@ -15461,6 +15569,7 @@ ParseFeatures (char *args, ChessProgramState *cps)
     if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
     if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
     if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
+    if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
     if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
     if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
     if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */