}
-static int lastX, lastY, selectFlag, dragging;
+static int lastX, lastY, lastLeftX, lastLeftY, selectFlag, dragging;
+static ClickType lastClickType;
void
Sweep (int step)
while(*fen) {
int s = 0;
marker[r][f] = 0;
+ if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
piece == WhiteLance && y == BOARD_HEIGHT-2 );
}
+void
+HoverEvent (int hiX, int hiY, int x, int y)
+{
+ static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
+ int r, f;
+ if(!first.highlight) return;
+ if(hiX == -1 && hiY == -1 && x == fromX && y == fromY) // record markings
+ for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
+ baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
+ else if(hiX != x || hiY != y) {
+ // [HGM] lift: entered new to-square; redraw arrow, and inform engine
+ for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
+ marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
+ if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
+ char buf[MSG_SIZ];
+ snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
+ SendToProgram(buf, &first);
+ }
+ SetHighlights(fromX, fromY, x, y);
+ }
+}
+
void ReportClick(char *action, int x, int y)
{
char buf[MSG_SIZ]; // Inform engine of what user does
prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
if (clickType == Press) ErrorPopDown();
+ lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
x = EventToSquare(xPix, BOARD_WIDTH);
y = EventToSquare(yPix, BOARD_HEIGHT);
if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
return;
}
- if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
+ if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
if(appData.sweepSelect) {
ChessSquare piece = boards[currentMove][fromY][fromX];
promoSweep = defaultPromoChoice;
MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
return;
}
+ if(!strncmp(message, "click ", 6)) {
+ char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
+ if(appData.testLegality || !appData.oneClick) return;
+ sscanf(message+6, "%c%d%c", &f, &y, &c);
+ x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
+ if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
+ x = x*squareSize + (x+1)*lineGap + squareSize/2;
+ y = y*squareSize + (y+1)*lineGap + squareSize/2;
+ f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
+ if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
+ LeftClick(Release, lastLeftX, lastLeftY);
+ controlKey = (c == ',');
+ LeftClick(Press, x, y);
+ LeftClick(Release, x, y);
+ first.highlight = f;
+ return;
+ }
/*
* If the move is illegal, cancel it and redraw the board.
* Also deal with other error cases. Matching is rather loose