+ bool keyhelp; /* TRUE if keystroke help is up */
+ int i, j, count;
+ int lastcol = 0; /* last location visited */
+ int lastrow = 0;
+ int ny = 0, nx = 0;
+ int review = 0; /* review history */
+ int rw = 0, col = 0; /* current row and column */
+
+ do {
+ /* clear screen and draw board */
+ werase(boardwin);
+ werase(helpwin);
+ werase(msgwin);
+ dosquares();
+ help1();
+ wnoutrefresh(stdscr);
+ wnoutrefresh(helpwin);
+ wnoutrefresh(msgwin);
+ wnoutrefresh(boardwin);
+ doupdate();
+
+ movecount = 0;
+ for (i = 0; i < BDEPTH; i++) {
+ for (j = 0; j < BWIDTH; j++) {
+ board[i][j] = FALSE;
+ unmarkcell(i, j);
+ }
+ }
+ memset(history, 0, sizeof(history));
+ history[0].y = history[0].x = -1;
+ history[1].y = history[1].x = -1;
+ lastrow = lastcol = -2;
+ movecount = 1;
+ trialcount = 1;
+ keyhelp = FALSE;
+ show_help(&keyhelp);
+
+ for (;;) {
+ if (rw != lastrow || col != lastcol) {
+ if (lastrow >= 0 && lastcol >= 0) {
+ cellmove(lastrow, lastcol);
+ if (board[lastrow][lastcol])
+ waddch(boardwin, trail);
+ else
+ waddch(boardwin, oldch);
+ }
+
+ cellmove(rw, col);
+ oldch = winch(boardwin);
+
+ lastrow = rw;
+ lastcol = col;
+ }
+ cellmove(rw, col);
+ waddch(boardwin, plus);
+ cellmove(rw, col);
+
+ wrefresh(msgwin);
+
+ switch (wgetch(boardwin)) {
+ case 'k':
+ case '8':
+ case KEY_UP:
+ ny = rw + BDEPTH - 1;
+ nx = col;
+ break;
+ case 'j':
+ case '2':
+ case KEY_DOWN:
+ ny = rw + 1;
+ nx = col;
+ break;
+ case 'h':
+ case '4':
+ case KEY_LEFT:
+ ny = rw;
+ nx = col + BWIDTH - 1;
+ break;
+ case 'l':
+ case '6':
+ case KEY_RIGHT:
+ ny = rw;
+ nx = col + 1;
+ break;
+ case 'y':
+ case '7':
+ case KEY_A1:
+ ny = rw + BDEPTH - 1;
+ nx = col + BWIDTH - 1;
+ break;
+ case 'b':
+ case '1':
+ case KEY_C1:
+ ny = rw + 1;
+ nx = col + BWIDTH - 1;
+ break;
+ case 'u':
+ case '9':
+ case KEY_A3:
+ ny = rw + BDEPTH - 1;
+ nx = col + 1;
+ break;
+ case 'n':
+ case '3':
+ case KEY_C3:
+ ny = rw + 1;
+ nx = col + 1;
+ break;
+
+#ifdef NCURSES_MOUSE_VERSION
+ case KEY_MOUSE:
+ {
+ MEVENT myevent;
+
+ getmouse(&myevent);
+ if (myevent.y >= CY(0) && myevent.y <= CY(BDEPTH)
+ && myevent.x >= CX(0) && myevent.x <= CX(BWIDTH)) {
+ nx = CXINV(myevent.x);
+ ny = CYINV(myevent.y);
+ ungetch('\n');
+ break;
+ } else {
+ beep();
+ continue;
+ }
+ }
+#endif /* NCURSES_MOUSE_VERSION */
+
+ case KEY_B2:
+ case '\n':
+ case ' ':
+ review = 0;
+ if (evalmove(rw, col)) {
+ drawmove(trail,
+ history[movecount - 1].y,
+ history[movecount - 1].x,
+ rw, col);
+ history[movecount].y = rw;
+ history[movecount].x = col;
+ movecount++;
+ trialcount++;
+
+ if (!chkmoves(rw, col)) {
+ if (completed() < 0) {
+ waddstr(msgwin, "\nYou won.");
+ } else {
+ waddstr(msgwin,
+ "\nNo further moves are possible.");
+ }
+ }
+ } else {
+ beep();
+ }
+ break;
+
+ case KEY_UNDO:
+ case KEY_BACKSPACE:
+ case '\b':
+ review = 0;
+ if (movecount <= 0) {
+ no_previous_move();
+ } else if (movecount <= 1) {
+ ny = history[movecount].y;
+ nx = history[movecount].x;
+ if (nx < 0 || ny < 0) {
+ ny = lastrow;
+ nx = lastcol;
+ }
+ movecount = 0;
+ board[ny][nx] = FALSE;
+ oldch = minus;
+ drawmove(' ', ny, nx, -1, -1);
+ movecount = 1;
+ trialcount = 1;
+ no_previous_move();
+ } else {
+ int oldy = history[movecount - 1].y;
+ int oldx = history[movecount - 1].x;
+
+ if (!board[rw][col]) {
+ cellmove(rw, col);
+ waddch(boardwin, ' ');
+ }
+
+ board[oldy][oldx] = FALSE;
+ --movecount;
+ ny = history[movecount - 1].y;
+ nx = history[movecount - 1].x;
+ if (nx < 0 || ny < 0) {
+ ny = oldy;
+ nx = oldx;
+ }
+ drawmove(' ', oldy, oldx, ny, nx);
+
+ /* avoid problems if we just changed the current cell */
+ cellmove(lastrow, lastcol);
+ oldch = winch(boardwin);
+ }
+ break;
+
+ case 'a':
+ nx = col;
+ ny = rw;
+ find_next_move(&ny, &nx);
+ break;
+
+ case 'F':
+ if (review > 0) {
+ review--;
+ ny = history[movecount - review - 1].y;
+ nx = history[movecount - review - 1].x;
+ } else {
+ beep();
+ }
+ break;
+
+ case 'B':
+ if (review < movecount - 2) {
+ review++;
+ ny = history[movecount - review - 1].y;
+ nx = history[movecount - review - 1].x;
+ } else {
+ beep();
+ }
+ break;
+
+ case KEY_REDO:
+ case '\f':
+ case 'r':
+ clearok(curscr, TRUE);
+ wnoutrefresh(stdscr);
+ wnoutrefresh(boardwin);
+ wnoutrefresh(msgwin);
+ wnoutrefresh(helpwin);
+ doupdate();
+ break;
+
+ case 'q':
+ case 'x':
+ goto dropout;
+
+ case '?':
+ show_help(&keyhelp);
+ break;
+
+ default:
+ beep();
+ break;
+ }
+
+ col = nx % BWIDTH;
+ rw = ny % BDEPTH;
+ }
+
+ dropout:
+ if ((count = completed()) < 0)
+ wprintw(msgwin, "\nYou won. Care to try again? ");
+ else
+ wprintw(msgwin, "\n%d squares filled. Try again? ", count);
+ wclrtoeol(msgwin);
+ } while
+ (tolower(wgetch(msgwin)) == 'y');
+}
+
+int
+main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+{
+ init_program();
+
+ play();
+
+ endwin();
+ ExitProgram(EXIT_SUCCESS);
projects / ncurses.git / blobdiff