1 files changed, 854 insertions, 0 deletions

diff --git a/src/player/tui.c b/src/player/tui.c
new file mode 100755
index 0000000..d62d06a
--- /dev/null
+++ b/src/player/tui.c
@@ -0,0 +1,854 @@
+/******************************************************************************
+ *	Copyright (C) 2015	Alejandro Colomar Andrés		      *
+ ******************************************************************************/
+
+
+/******************************************************************************
+ ******* headers **************************************************************
+ ******************************************************************************/
+#include "mine-sweeper/player/tui.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+
+#include <ncurses.h>
+
+#include "libalx/extra/ncurses/common.h"
+#include "libalx/extra/ncurses/get.h"
+
+#include "mine-sweeper/game/iface.h"
+#include "mine-sweeper/player/iface.h"
+
+
+/******************************************************************************
+ ******* macros ***************************************************************
+ ******************************************************************************/
+#define REFRESH_TIME_MS		(100)
+
+
+/******************************************************************************
+ ******* variables ************************************************************
+ ******************************************************************************/
+/* Global --------------------------------------------------------------------*/
+	bool	flag_color;
+/* Static --------------------------------------------------------------------*/
+static	WINDOW	*win_board;
+static	WINDOW	*win_help;
+static	int	last_help;
+
+
+/******************************************************************************
+ ******* static functions *****************************************************
+ ******************************************************************************/
+	/* Start */
+static	void	show_board_start(const struct Player_Iface_Position  *position,
+				const char *title, const char *subtitle);
+
+static	void	board_loop_start(const struct Player_Iface_Position  *position);
+
+	/* Play */
+static	void	show_board	(const struct Game_Iface_Out  *board,
+				const struct Player_Iface_Position  *position,
+				const char *title, const char *subtitle);
+
+static	void	board_loop	(const struct Game_Iface_Out  *board,
+				const struct Player_Iface_Position  *position);
+
+static	void	highlight_cursor(int c,
+				const struct Player_Iface_Position  *position);
+
+static	int	set_char	(int tile);
+static	void	show_char	(int row, int col, int c);
+	/* Input */
+static	int	usr_input	(void);
+	/* Help */
+static	void	show_help		(const struct Game_Iface_Out  *board);
+static	void	show_help_start		(void);
+static	void	show_help_play		(void);
+static	void	show_help_pause		(void);
+static	void	show_help_xyzzy		(void);
+static	void	show_help_cheat		(void);
+static	void	show_help_safe		(void);
+static	void	show_help_gameover	(void);
+
+
+/******************************************************************************
+ ******* main *****************************************************************
+ ******************************************************************************/
+void	player_tui_init		(ptrdiff_t rows, ptrdiff_t cols)
+{
+	int	h1;
+	int	w1;
+	int	r1;
+	int	c1;
+	int	h2;
+	int	w2;
+	int	r2;
+	int	c2;
+
+	alx_ncurses_resume();
+
+	flag_color	= false;
+	if (has_colors()) {
+		flag_color	= true;
+		/* Clear */
+		init_pair(PAIR_1, COLOR_BLUE, COLOR_WHITE);
+		init_pair(PAIR_2, COLOR_GREEN, COLOR_WHITE);
+		init_pair(PAIR_3, COLOR_RED, COLOR_WHITE);
+		init_pair(PAIR_4, COLOR_BLUE, COLOR_WHITE);
+		init_pair(PAIR_5, COLOR_RED, COLOR_WHITE);
+		init_pair(PAIR_6, COLOR_CYAN, COLOR_WHITE);
+		init_pair(PAIR_7, COLOR_BLACK, COLOR_WHITE);
+		init_pair(PAIR_8, COLOR_BLACK, COLOR_WHITE);
+		init_pair(PAIR_BLANK, COLOR_BLACK, COLOR_WHITE);
+		/* Hidden */
+		init_pair(PAIR_MINE, COLOR_WHITE, COLOR_BLACK);
+		init_pair(PAIR_HIDDEN, COLOR_WHITE, COLOR_BLACK);
+		/* Possible */
+		init_pair(PAIR_fail, COLOR_RED, COLOR_BLACK);
+		init_pair(PAIR_POSSIBLE, COLOR_BLUE, COLOR_BLACK);
+		/* Flag */
+		init_pair(PAIR_FAIL, COLOR_RED, COLOR_BLACK);
+		init_pair(PAIR_FLAG, COLOR_RED, COLOR_BLACK);
+		/* Kboom */
+		init_pair(PAIR_KBOOM, COLOR_BLACK, COLOR_RED);
+		/* Highlight */
+		init_pair(PAIR_HILITE, COLOR_YELLOW, COLOR_RED);
+		/* Terminal */
+		init_pair(PAIR_TERM, -1, -1);
+	}
+
+	/* Dimensions: board */
+	h1	= rows + 2;
+	w1	= 2 * cols + 3;
+	r1	= 0;
+	c1	= 11;
+	win_board	= newwin(h1, w1, r1, c1);
+
+	/* Dimensions: help */
+	h2	= 24;
+	w2	= 10;
+	r2	= 0;
+	c2	= 0;
+	win_help	= newwin(h2, w2, r2, c2);
+
+	/* Activate keypad, don't echo input, and set timeout = REFRESH_TIME_MS ms */
+	keypad(win_board, true);
+	noecho();
+	wtimeout(win_board, REFRESH_TIME_MS);
+}
+
+int	player_tui_start	(const struct Player_Iface_Position  *position,
+				const char *title, const char *subtitle,
+				int *action)
+{
+
+	show_help_start();
+	show_board_start(position, title, subtitle);
+	*action	= usr_input();
+
+	return	0;
+}
+
+int	player_tui		(const struct Game_Iface_Out  *board,
+				const struct Player_Iface_Position  *position,
+				const char *title, const char *subtitle,
+				int *action)
+{
+
+	show_help(board);
+	show_board(board, position, title, subtitle);
+	*action	= usr_input();
+
+	return	0;
+}
+
+void	player_tui_save_name	(const char *fpath,
+				char fname[static restrict FILENAME_MAX])
+{
+	int	w;
+	int	r;
+
+	w	= 60;
+	r	= 10;
+	alx_ncurses_get_fname(fpath, fname, false, w, r, "File name:", NULL, 2);
+}
+
+void	player_tui_score_name	(char player_name[static restrict BUFSIZ])
+{
+	int	w;
+	int	r;
+
+	w	= 60;
+	r	= 10;
+	alx_ncurses_get_nstr(BUFSIZ, player_name, w, r, "Your name:", NULL);
+}
+
+void	player_tui_cleanup	(void)
+{
+
+	alx_ncurses_delwin(win_board);
+	alx_ncurses_delwin(win_help);
+	alx_ncurses_pause();
+}
+
+
+/******************************************************************************
+ ******* static functions *****************************************************
+ ******************************************************************************/
+/*	*	*	*	*	*	*	*	*	*
+ *	*	* Start	*	*	*	*	*	*	*
+ *	*	*	*	*	*	*	*	*	*/
+static	void	show_board_start(const struct Player_Iface_Position  *position,
+				const char *title, const char *subtitle)
+{
+	werase(win_board);
+	box(win_board, 0, 0);
+
+	alx_ncurses_title(win_board, title);
+	alx_ncurses_subtitle(win_board, subtitle);
+	board_loop_start(position);
+	wmove(win_board, 1 + position->row, 2 + 2 * position->col);
+
+	wrefresh(win_board);
+}
+
+static	void	board_loop_start(const struct Player_Iface_Position  *position)
+{
+	ptrdiff_t	k;
+	ptrdiff_t	l;
+	int		c;
+
+	c	= PLAYER_TUI_CHAR_HIDDEN_FIELD;
+
+	for (ptrdiff_t i = 0; i < position->rows; i++) {
+		k = 1 + i;
+
+		/* hidden */
+		for (ptrdiff_t j = 0; j < position->cols; j++) {
+			l = 2 + 2 * j;
+
+			show_char(k, l, c);
+		}
+	}
+
+	/* Highlight cursor */
+	if (position->highlight)
+		highlight_cursor(c, position);
+}
+
+/*	*	*	*	*	*	*	*	*	*
+ *	*	* Play	*	*	*	*	*	*
+ *	*	*	*	*	*	*	*	*	*/
+static	void	show_board	(const struct Game_Iface_Out  *board,
+				const struct Player_Iface_Position  *position,
+				const char *title, const char *subtitle)
+{
+
+	werase(win_board);
+	box(win_board, 0, 0);
+
+	alx_ncurses_title(win_board, title);
+	alx_ncurses_subtitle(win_board, subtitle);
+
+	board_loop(board, position);
+	wmove(win_board, 1 + position->row, 2 + 2 * position->col);
+
+	wrefresh(win_board);
+}
+
+static	void	board_loop	(const struct Game_Iface_Out  *board,
+				const struct Player_Iface_Position  *position)
+{
+	ptrdiff_t	k;
+	ptrdiff_t	l;
+	int		c;
+
+	for (ptrdiff_t i = 0; i < board->rows; i++) {
+		k = 1 + i;
+
+		/* clear */
+		for (ptrdiff_t j = 0; j < board->cols; j++) {
+			l = 2 + 2 * j;
+			if (board->usr[i][j] == GAME_IFACE_USR_CLEAR) {
+				c	= set_char(board->visible[i][j]);
+				show_char(k, l, c);
+			}
+		}
+		/* xyzzy */
+		/* hidden */
+		for (ptrdiff_t j = 0; j < board->cols; j++) {
+			l = 2 + 2 * j;
+			if (board->usr[i][j] != GAME_IFACE_USR_CLEAR) {
+				c	= set_char(board->visible[i][j]);
+				show_char(k, l, c);
+			}
+		}
+		/* kboom */
+		for (ptrdiff_t j = 0; j < board->cols; j++) {
+			l = 2 + 2 * j;
+			if (board->usr[i][j] == GAME_IFACE_USR_KBOOM) {
+				c	= set_char(board->visible[i][j]);
+				show_char(k, l, c);
+			}
+		}
+	}
+
+	/* Highlight cursor */
+	if (position->highlight) {
+		c	= set_char(board->visible[position->row][position->col]);
+		highlight_cursor(c, position);
+	}
+}
+
+static	void	highlight_cursor(int c,
+				const struct Player_Iface_Position  *position)
+{
+	ptrdiff_t	k;
+	ptrdiff_t	l;
+	int		pair;
+
+	k	= 1 + position->row;
+	l	= 2 + 2 * position->col;
+
+	pair	= PAIR_HILITE;
+	if (flag_color)
+		wattron(win_board, A_BOLD | COLOR_PAIR(pair));
+	mvwaddch(win_board, k, l - 1, '<');
+	mvwaddch(win_board, k, l, c);
+	mvwaddch(win_board, k, l + 1, '>');
+	if (flag_color)
+		wattroff(win_board, A_BOLD | COLOR_PAIR(pair));
+}
+
+static	int	set_char	(int tile)
+{
+	int	c;
+
+	switch (tile) {
+	case GAME_IFACE_VIS_KBOOM:
+		c	= PLAYER_TUI_CHAR_KBOOM;
+		break;
+	case GAME_IFACE_VIS_HIDDEN_FIELD:
+		c	= PLAYER_TUI_CHAR_HIDDEN_FIELD;
+		break;
+	case GAME_IFACE_VIS_HIDDEN_MINE:
+		c	= PLAYER_TUI_CHAR_HIDDEN_MINE;
+		break;
+	case GAME_IFACE_VIS_HIDDEN_SAFE:
+		c	= PLAYER_TUI_CHAR_HIDDEN_SAFE;
+		break;
+	case GAME_IFACE_VIS_SAFE_MINE:
+		c	= PLAYER_TUI_CHAR_SAFE_MINE;
+		break;
+	case GAME_IFACE_VIS_0:
+		c	= PLAYER_TUI_CHAR_0;
+		break;
+	case GAME_IFACE_VIS_1:
+		c	= PLAYER_TUI_CHAR_1;
+		break;
+	case GAME_IFACE_VIS_2:
+		c	= PLAYER_TUI_CHAR_2;
+		break;
+	case GAME_IFACE_VIS_3:
+		c	= PLAYER_TUI_CHAR_3;
+		break;
+	case GAME_IFACE_VIS_4:
+		c	= PLAYER_TUI_CHAR_4;
+		break;
+	case GAME_IFACE_VIS_5:
+		c	= PLAYER_TUI_CHAR_5;
+		break;
+	case GAME_IFACE_VIS_6:
+		c	= PLAYER_TUI_CHAR_6;
+		break;
+	case GAME_IFACE_VIS_7:
+		c	= PLAYER_TUI_CHAR_7;
+		break;
+	case GAME_IFACE_VIS_8:
+		c	= PLAYER_TUI_CHAR_8;
+		break;
+	case GAME_IFACE_VIS_FLAG:
+		c	= PLAYER_TUI_CHAR_FLAG;
+		break;
+	case GAME_IFACE_VIS_FLAG_FALSE:
+		c	= PLAYER_TUI_CHAR_FLAG_FALSE;
+		break;
+	case GAME_IFACE_VIS_POSSIBLE:
+		c	= PLAYER_TUI_CHAR_POSSIBLE;
+		break;
+	case GAME_IFACE_VIS_POSSIBLE_FALSE:
+		c	= PLAYER_TUI_CHAR_POSSIBLE_FALSE;
+		break;
+	default:
+		c	= PLAYER_TUI_CHAR_ERROR;
+		break;
+	}
+
+	return	c;
+}
+
+static	void	show_char	(int row, int col, int c)
+{
+	int	pair;
+
+	switch (c) {
+	case PLAYER_TUI_CHAR_1:
+		pair	= PAIR_1;
+		break;
+	case PLAYER_TUI_CHAR_2:
+		pair	= PAIR_2;
+		break;
+	case PLAYER_TUI_CHAR_3:
+		pair	= PAIR_3;
+		break;
+	case PLAYER_TUI_CHAR_4:
+		pair	= PAIR_4;
+		break;
+	case PLAYER_TUI_CHAR_5:
+		pair	= PAIR_5;
+		break;
+	case PLAYER_TUI_CHAR_6:
+		pair	= PAIR_6;
+		break;
+	case PLAYER_TUI_CHAR_7:
+		pair	= PAIR_7;
+		break;
+	case PLAYER_TUI_CHAR_8:
+		pair	= PAIR_8;
+		break;
+	case PLAYER_TUI_CHAR_0:
+		pair	= PAIR_BLANK;
+		break;
+	case PLAYER_TUI_CHAR_HIDDEN_MINE:
+	case PLAYER_TUI_CHAR_SAFE_MINE:
+		pair	= PAIR_MINE;
+		break;
+	case PLAYER_TUI_CHAR_HIDDEN_FIELD:
+	case PLAYER_TUI_CHAR_HIDDEN_SAFE:
+		pair	= PAIR_HIDDEN;
+		break;
+	case PLAYER_TUI_CHAR_POSSIBLE_FALSE:
+		pair	= PAIR_fail;
+		break;
+	case PLAYER_TUI_CHAR_POSSIBLE:
+		pair	= PAIR_POSSIBLE;
+		break;
+	case PLAYER_TUI_CHAR_FLAG_FALSE:
+		pair	= PAIR_FAIL;
+		break;
+	case PLAYER_TUI_CHAR_FLAG:
+		pair	= PAIR_FLAG;
+		break;
+	case PLAYER_TUI_CHAR_KBOOM:
+		pair	= PAIR_KBOOM;
+		break;
+	default:
+		pair	= PAIR_KBOOM;
+		break;
+	}
+
+	if (flag_color)
+		wattron(win_board, A_BOLD | COLOR_PAIR(pair));
+	mvwaddch(win_board, row, col - 1, ' ');
+	mvwaddch(win_board, row, col, c);
+	mvwaddch(win_board, row, col + 1, ' ');
+	if (flag_color)
+		wattroff(win_board, A_BOLD | COLOR_PAIR(pair));
+}
+
+/*	*	*	*	*	*	*	*	*	*
+ *	*	* Input	*	*	*	*	*	*	*
+ *	*	*	*	*	*	*	*	*	*/
+static	int	usr_input	(void)
+{
+	int	c;
+	int	action;
+
+	c = wgetch(win_board);
+
+	switch (c) {
+	case '+':
+	case '\r':
+	case '\n':
+		action	= PLAYER_IFACE_ACT_STEP;
+		break;
+	case ' ':
+		action	= PLAYER_IFACE_ACT_FLAG;
+		break;
+	case 'f':
+		action	= PLAYER_IFACE_ACT_FLAG_POSSIBLE;
+		break;
+
+		/* ASCII 0x08 is BS */
+	case KEY_BACKSPACE:
+	case 0x08:
+		action	= PLAYER_IFACE_ACT_RM_FLAG;
+		break;
+	case KEY_BREAK:
+	case 'p':
+		action	= PLAYER_IFACE_ACT_PAUSE;
+		break;
+	case 's':
+		action	= PLAYER_IFACE_ACT_SAVE;
+		break;
+	case 'x':
+		/* Wait for special sequence "xyzzy" */
+		wtimeout(win_board, 1000);
+
+		c = wgetch(win_board);
+		if (c == 'y') {
+			c = wgetch(win_board);
+			if (c == 'z') {
+				c = wgetch(win_board);
+				if (c == 'z') {
+					c = wgetch(win_board);
+					if (c == 'y')
+						action	= PLAYER_IFACE_ACT_XYZZY_ON;
+				}
+			}
+		}
+
+		/* Resume */
+		wtimeout(win_board, REFRESH_TIME_MS);
+		break;
+	case '0':
+		action	= PLAYER_IFACE_ACT_XYZZY_OFF;
+		break;
+	case '1':
+		action	= PLAYER_IFACE_ACT_XYZZY_LIN;
+		break;
+	case '2':
+		action	= PLAYER_IFACE_ACT_XYZZY_P;
+		break;
+	case '3':
+		action	= PLAYER_IFACE_ACT_XYZZY_NP;
+		break;
+	case 'q':
+		action	= PLAYER_IFACE_ACT_QUIT;
+		break;
+	case KEY_LEFT:
+	case 'h':
+		action	= PLAYER_IFACE_ACT_MOVE_LEFT;
+		break;
+	case KEY_DOWN:
+	case 'j':
+		action	= PLAYER_IFACE_ACT_MOVE_DOWN;
+		break;
+	case KEY_UP:
+	case 'k':
+		action	= PLAYER_IFACE_ACT_MOVE_UP;
+		break;
+	case KEY_RIGHT:
+	case 'l':
+		action	= PLAYER_IFACE_ACT_MOVE_RIGHT;
+		break;
+	case 'c':
+		action	= PLAYER_IFACE_ACT_HIGHLIGHT;
+		break;
+	default:
+		action	= PLAYER_IFACE_ACT_FOO;
+		break;
+	}
+
+	return	action;
+}
+
+/*	*	*	*	*	*	*	*	*	*
+ *	*	* Help	*	*	*	*	*	*	*
+ *	*	*	*	*	*	*	*	*	*/
+static	void	show_help		(const struct Game_Iface_Out	*board)
+{
+
+	if (last_help == board->state)
+		return;
+
+	werase(win_help);
+
+	switch (board->state) {
+	case GAME_IFACE_STATE_PLAYING:
+		show_help_play();
+		break;
+	case GAME_IFACE_STATE_PAUSE:
+		show_help_pause();
+		break;
+	case GAME_IFACE_STATE_XYZZY:
+		show_help_xyzzy();
+		break;
+	case GAME_IFACE_STATE_CHEATED:
+		show_help_cheat();
+		break;
+	case GAME_IFACE_STATE_SAFE:
+		show_help_safe();
+		break;
+	case GAME_IFACE_STATE_GAMEOVER:
+		show_help_gameover();
+		break;
+	}
+
+	wrefresh(win_help);
+	last_help	= board->state;
+}
+
+static	void	show_help_start		(void)
+{
+	int	r;
+	int	c;
+
+	werase(win_help);
+
+	r	= 0;
+	c	= 0;
+	mvwaddstr(win_help, r++, c++, "Move:");
+	/* hjkl */
+	mvwaddch(win_help, r, c, 'h');
+	c += 2;
+	mvwaddch(win_help, r, c, 'j');
+	c += 2;
+	mvwaddch(win_help, r, c, 'k');
+	c += 2;
+	mvwaddch(win_help, r, c, 'l');
+	/* Arrows */
+	r++;
+	c = 1;
+	mvwaddch(win_help, r, c, ACS_LARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_DARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_UARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_RARROW);
+
+	r++;
+	c = 0;
+	mvwaddstr(win_help, r++, c, "Cursor:");
+	mvwprintw(win_help, r++, c, " %c", 'c');
+
+	mvwaddstr(win_help, r++, c, "Step:");
+	mvwprintw(win_help, r++, c, " Enter / %c", '+');
+
+	mvwaddstr(win_help, r++, c, "Quit:");
+	mvwprintw(win_help, r++, c, " %c", 'q');
+
+	wrefresh(win_help);
+	last_help	= GAME_IFACE_STATE_FOO;
+}
+
+static	void	show_help_play		(void)
+{
+	int	r;
+	int	c;
+
+	r	= 0;
+	c	= 0;
+	mvwaddstr(win_help, r++, c++, "Move:");
+	/* hjkl */
+	mvwaddch(win_help, r, c, 'h');
+	c += 2;
+	mvwaddch(win_help, r, c, 'j');
+	c += 2;
+	mvwaddch(win_help, r, c, 'k');
+	c += 2;
+	mvwaddch(win_help, r, c, 'l');
+	/* Arrows */
+	r++;
+	c = 1;
+	mvwaddch(win_help, r, c, ACS_LARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_DARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_UARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_RARROW);
+
+	r++;
+	c = 0;
+	mvwaddstr(win_help, r++, c, "Cursor:");
+	mvwprintw(win_help, r++, c, " %c", 'c');
+
+	mvwaddstr(win_help, r++, c, "Step:");
+	mvwprintw(win_help, r++, c, " Enter / %c", '+');
+
+	mvwaddstr(win_help, r++, c, "Flag:");
+	mvwprintw(win_help, r++, c, " Space");
+
+	mvwaddstr(win_help, r++, c, "Possible:");
+	mvwprintw(win_help, r++, c, " %c", 'f');
+
+	mvwaddstr(win_help, r++, c, "rm flag:");
+	mvwprintw(win_help, r++, c, " Backspace");
+
+	mvwaddstr(win_help, r++, c, "Pause:");
+	mvwprintw(win_help, r++, c, " Break / %c", 'p');
+
+	mvwaddstr(win_help, r++, c, "Save:");
+	mvwprintw(win_help, r++, c, " %c", 's');
+
+	mvwaddstr(win_help, r++, c, "Quit:");
+	mvwprintw(win_help, r++, c, " %c", 'q');
+}
+
+static	void	show_help_pause		(void)
+{
+	int	r;
+	int	c;
+
+	r	= 0;
+	c	= 0;
+	mvwaddstr(win_help, r++, c, "Cursor:");
+	mvwprintw(win_help, r++, c, " %c", 'c');
+
+	mvwaddstr(win_help, r++, c, "Continue:");
+	mvwprintw(win_help, r++, c, " Break / %c", 'p');
+
+	mvwaddstr(win_help, r++, c, "Save:");
+	mvwprintw(win_help, r++, c, " %c", 's');
+
+	mvwaddstr(win_help, r++, c, "Quit:");
+	mvwprintw(win_help, r++, c, " %c", 'q');
+}
+
+static	void	show_help_xyzzy		(void)
+{
+	int	r;
+	int	c;
+
+	r	= 0;
+	c	= 0;
+	mvwaddstr(win_help, r++, c++, "XYZZY:");
+	mvwprintw(win_help, r, c, "%c", '1');
+	c += 2;
+	mvwprintw(win_help, r, c, "%c", '2');
+//	c += 2;
+//	mvwprintw(win_help, r, c, "%c", 'd');
+
+	r++;
+	c = 0;
+	mvwaddstr(win_help, r++, c, "XYZZY off:");
+	mvwprintw(win_help, r++, c, " %c", '0');
+
+	mvwaddstr(win_help, r++, c++, "Move:");
+	/* hjkl */
+	mvwaddch(win_help, r, c, 'h');
+	c += 2;
+	mvwaddch(win_help, r, c, 'j');
+	c += 2;
+	mvwaddch(win_help, r, c, 'k');
+	c += 2;
+	mvwaddch(win_help, r, c, 'l');
+	/* Arrows */
+	r++;
+	c = 1;
+	mvwaddch(win_help, r, c, ACS_LARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_DARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_UARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_RARROW);
+
+	r++;
+	c = 0;
+	mvwaddstr(win_help, r++, c, "Cursor:");
+	mvwprintw(win_help, r++, c, " %c", 'c');
+
+	mvwaddstr(win_help, r++, c, "Step:");
+	mvwprintw(win_help, r++, c, " Enter / %c", '+');
+
+	mvwaddstr(win_help, r++, c, "Flag:");
+	mvwprintw(win_help, r++, c, " Space");
+
+	mvwaddstr(win_help, r++, c, "Possible:");
+	mvwprintw(win_help, r++, c, " %c", 'f');
+
+	mvwaddstr(win_help, r++, c, "rm flag:");
+	mvwprintw(win_help, r++, c, " Backspace");
+
+	mvwaddstr(win_help, r++, c, "Save:");
+	mvwprintw(win_help, r++, c, " %c", 's');
+
+	mvwaddstr(win_help, r++, c, "Quit:");
+	mvwprintw(win_help, r++, c, " %c", 'q');
+}
+
+static	void	show_help_cheat		(void)
+{
+	int	r;
+	int	c;
+
+	r	= 0;
+	c	= 0;
+	mvwaddstr(win_help, r++, c++, "Move:");
+	/* hjkl */
+	mvwaddch(win_help, r, c, 'h');
+	c += 2;
+	mvwaddch(win_help, r, c, 'j');
+	c += 2;
+	mvwaddch(win_help, r, c, 'k');
+	c += 2;
+	mvwaddch(win_help, r, c, 'l');
+	/* Arrows */
+	r++;
+	c = 1;
+	mvwaddch(win_help, r, c, ACS_LARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_DARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_UARROW);
+	c += 2;
+	mvwaddch(win_help, r, c, ACS_RARROW);
+
+	r++;
+	c = 0;
+	mvwaddstr(win_help, r++, c, "Cursor:");
+	mvwprintw(win_help, r++, c, " %c", 'c');
+
+	mvwaddstr(win_help, r++, c, "Step:");
+	mvwprintw(win_help, r++, c, " Enter / %c", '+');
+
+	mvwaddstr(win_help, r++, c, "Flag:");
+	mvwprintw(win_help, r++, c, " Space");
+
+	mvwaddstr(win_help, r++, c, "Possible:");
+	mvwprintw(win_help, r++, c, " %c", 'f');
+
+	mvwaddstr(win_help, r++, c, "rm flag:");
+	mvwprintw(win_help, r++, c, " Backspace");
+
+	mvwaddstr(win_help, r++, c, "Save:");
+	mvwprintw(win_help, r++, c, " %c", 's');
+
+	mvwaddstr(win_help, r++, c, "Quit:");
+	mvwprintw(win_help, r++, c, " %c", 'q');
+}
+
+static	void	show_help_safe		(void)
+{
+	int	r;
+	int	c;
+
+	r	= 0;
+	c	= 0;
+	mvwaddstr(win_help, r++, c, "Save:");
+	mvwprintw(win_help, r++, c, " %c", 's');
+
+	mvwaddstr(win_help, r++, c, "Quit:");
+	mvwprintw(win_help, r++, c, " %c", 'q');
+}
+
+static	void	show_help_gameover	(void)
+{
+	int	r;
+	int	c;
+
+	r	= 0;
+	c	= 0;
+	mvwaddstr(win_help, r++, c, "Quit:");
+	mvwprintw(win_help, r++, c, " %c", 'q');
+}
+
+
+/******************************************************************************
+ ******* end of file **********************************************************
+ ******************************************************************************/