X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=b1d35a9cb92eda05831ba54bdbdef4a4dd9a4c28;hb=95772c234f0afaf88ef01854868c93ff2e8a20fb;hp=2553afb72532985f29a08c69a04c5cb9ef73543d;hpb=71ad75d24941a489a162c6906998f656a7c398be;p=xboard.git

diff --git a/backend.c b/backend.c
index 2553afb..b1d35a9 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;
@@ -4509,7 +4518,10 @@ ParseBoard12 (char *string)
         r = boards[moveNum][CASTLING][5] = initialRights[5];
     }
     /* [HGM] e.p. rights. Assume that ICS sends file number here? */
-    boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
+    boards[moveNum][EP_STATUS] = EP_NONE;
+    if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
+    if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
+    if(double_push !=  -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
 
 
     if (ics_getting_history == H_GOT_REQ_HEADER ||
@@ -6826,11 +6838,7 @@ LeftClick (ClickType clickType, int xPix, int yPix)
     char promoChoice = NULLCHAR;
     ChessSquare piece;
 
-    if(appData.seekGraph && appData.icsActive && loggedOn &&
-	(gameMode == BeginningOfGame || gameMode == IcsIdle)) {
-	SeekGraphClick(clickType, xPix, yPix, 0);
-	return;
-    }
+    if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
 
     if (clickType == Press) ErrorPopDown();
 
@@ -6879,6 +6887,12 @@ LeftClick (ClickType clickType, int xPix, int yPix)
               || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
 	return;
 
+    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)
 	fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
 
@@ -8350,7 +8364,7 @@ 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)
@@ -8364,7 +8378,14 @@ 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;
+	    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;
@@ -13673,6 +13694,7 @@ EditPositionEvent ()
     currentMove = forwardMostMove = backwardMostMove = 0;
     HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
     DisplayMove(-1);
+    if(!appData.pieceMenu) DisplayMessage("Click clock to clear board", "");
 }
 
 void