[J-u-boot.git] / scripts / kconfig / nconf.gui.c

/*
 * Copyright (C) 2008 Nir Tzachar <[email protected]?
 * Released under the terms of the GNU GPL v2.0.
 *
 * Derived from menuconfig.
 *
 */
#include "nconf.h"
#include "lkc.h"

/* a list of all the different widgets we use */
attributes_t attributes[ATTR_MAX+1] = {0};

/* available colors:
   COLOR_BLACK   0
   COLOR_RED     1
   COLOR_GREEN   2
   COLOR_YELLOW  3
   COLOR_BLUE    4
   COLOR_MAGENTA 5
   COLOR_CYAN    6
   COLOR_WHITE   7
   */
static void set_normal_colors(void)
{
	init_pair(NORMAL, -1, -1);
	init_pair(MAIN_HEADING, COLOR_MAGENTA, -1);

	/* FORE is for the selected item */
	init_pair(MAIN_MENU_FORE, -1, -1);
	/* BACK for all the rest */
	init_pair(MAIN_MENU_BACK, -1, -1);
	init_pair(MAIN_MENU_GREY, -1, -1);
	init_pair(MAIN_MENU_HEADING, COLOR_GREEN, -1);
	init_pair(MAIN_MENU_BOX, COLOR_YELLOW, -1);

	init_pair(SCROLLWIN_TEXT, -1, -1);
	init_pair(SCROLLWIN_HEADING, COLOR_GREEN, -1);
	init_pair(SCROLLWIN_BOX, COLOR_YELLOW, -1);

	init_pair(DIALOG_TEXT, -1, -1);
	init_pair(DIALOG_BOX, COLOR_YELLOW, -1);
	init_pair(DIALOG_MENU_BACK, COLOR_YELLOW, -1);
	init_pair(DIALOG_MENU_FORE, COLOR_RED, -1);

	init_pair(INPUT_BOX, COLOR_YELLOW, -1);
	init_pair(INPUT_HEADING, COLOR_GREEN, -1);
	init_pair(INPUT_TEXT, -1, -1);
	init_pair(INPUT_FIELD, -1, -1);

	init_pair(FUNCTION_HIGHLIGHT, -1, -1);
	init_pair(FUNCTION_TEXT, COLOR_YELLOW, -1);
}

/* available attributes:
   A_NORMAL        Normal display (no highlight)
   A_STANDOUT      Best highlighting mode of the terminal.
   A_UNDERLINE     Underlining
   A_REVERSE       Reverse video
   A_BLINK         Blinking
   A_DIM           Half bright
   A_BOLD          Extra bright or bold
   A_PROTECT       Protected mode
   A_INVIS         Invisible or blank mode
   A_ALTCHARSET    Alternate character set
   A_CHARTEXT      Bit-mask to extract a character
   COLOR_PAIR(n)   Color-pair number n
   */
static void normal_color_theme(void)
{
	/* automatically add color... */
#define mkattr(name, attr) do { \
attributes[name] = attr | COLOR_PAIR(name); } while (0)
	mkattr(NORMAL, NORMAL);
	mkattr(MAIN_HEADING, A_BOLD | A_UNDERLINE);

	mkattr(MAIN_MENU_FORE, A_REVERSE);
	mkattr(MAIN_MENU_BACK, A_NORMAL);
	mkattr(MAIN_MENU_GREY, A_NORMAL);
	mkattr(MAIN_MENU_HEADING, A_BOLD);
	mkattr(MAIN_MENU_BOX, A_NORMAL);

	mkattr(SCROLLWIN_TEXT, A_NORMAL);
	mkattr(SCROLLWIN_HEADING, A_BOLD);
	mkattr(SCROLLWIN_BOX, A_BOLD);

	mkattr(DIALOG_TEXT, A_BOLD);
	mkattr(DIALOG_BOX, A_BOLD);
	mkattr(DIALOG_MENU_FORE, A_STANDOUT);
	mkattr(DIALOG_MENU_BACK, A_NORMAL);

	mkattr(INPUT_BOX, A_NORMAL);
	mkattr(INPUT_HEADING, A_BOLD);
	mkattr(INPUT_TEXT, A_NORMAL);
	mkattr(INPUT_FIELD, A_UNDERLINE);

	mkattr(FUNCTION_HIGHLIGHT, A_BOLD);
	mkattr(FUNCTION_TEXT, A_REVERSE);
}

static void no_colors_theme(void)
{
	/* automatically add highlight, no color */
#define mkattrn(name, attr) { attributes[name] = attr; }

	mkattrn(NORMAL, NORMAL);
	mkattrn(MAIN_HEADING, A_BOLD | A_UNDERLINE);

	mkattrn(MAIN_MENU_FORE, A_STANDOUT);
	mkattrn(MAIN_MENU_BACK, A_NORMAL);
	mkattrn(MAIN_MENU_GREY, A_NORMAL);
	mkattrn(MAIN_MENU_HEADING, A_BOLD);
	mkattrn(MAIN_MENU_BOX, A_NORMAL);

	mkattrn(SCROLLWIN_TEXT, A_NORMAL);
	mkattrn(SCROLLWIN_HEADING, A_BOLD);
	mkattrn(SCROLLWIN_BOX, A_BOLD);

	mkattrn(DIALOG_TEXT, A_NORMAL);
	mkattrn(DIALOG_BOX, A_BOLD);
	mkattrn(DIALOG_MENU_FORE, A_STANDOUT);
	mkattrn(DIALOG_MENU_BACK, A_NORMAL);

	mkattrn(INPUT_BOX, A_BOLD);
	mkattrn(INPUT_HEADING, A_BOLD);
	mkattrn(INPUT_TEXT, A_NORMAL);
	mkattrn(INPUT_FIELD, A_UNDERLINE);

	mkattrn(FUNCTION_HIGHLIGHT, A_BOLD);
	mkattrn(FUNCTION_TEXT, A_REVERSE);
}

void set_colors(void)
{
	start_color();
	use_default_colors();
	set_normal_colors();
	if (has_colors()) {
		normal_color_theme();
	} else {
		/* give defaults */
		no_colors_theme();
	}
}


/* this changes the windows attributes !!! */
void print_in_middle(WINDOW *win,
		int starty,
		int startx,
		int width,
		const char *string,
		chtype color)
{      int length, x, y;
	float temp;


	if (win == NULL)
		win = stdscr;
	getyx(win, y, x);
	if (startx != 0)
		x = startx;
	if (starty != 0)
		y = starty;
	if (width == 0)
		width = 80;

	length = strlen(string);
	temp = (width - length) / 2;
	x = startx + (int)temp;
	(void) wattrset(win, color);
	mvwprintw(win, y, x, "%s", string);
	refresh();
}

int get_line_no(const char *text)
{
	int i;
	int total = 1;

	if (!text)
		return 0;

	for (i = 0; text[i] != '\0'; i++)
		if (text[i] == '\n')
			total++;
	return total;
}

const char *get_line(const char *text, int line_no)
{
	int i;
	int lines = 0;

	if (!text)
		return NULL;

	for (i = 0; text[i] != '\0' && lines < line_no; i++)
		if (text[i] == '\n')
			lines++;
	return text+i;
}

int get_line_length(const char *line)
{
	int res = 0;
	while (*line != '\0' && *line != '\n') {
		line++;
		res++;
	}
	return res;
}

/* print all lines to the window. */
void fill_window(WINDOW *win, const char *text)
{
	int x, y;
	int total_lines = get_line_no(text);
	int i;

	getmaxyx(win, y, x);
	/* do not go over end of line */
	total_lines = min(total_lines, y);
	for (i = 0; i < total_lines; i++) {
		char tmp[x+10];
		const char *line = get_line(text, i);
		int len = get_line_length(line);
		strncpy(tmp, line, min(len, x));
		tmp[len] = '\0';
		mvwprintw(win, i, 0, "%s", tmp);
	}
}

/* get the message, and buttons.
 * each button must be a char*
 * return the selected button
 *
 * this dialog is used for 2 different things:
 * 1) show a text box, no buttons.
 * 2) show a dialog, with horizontal buttons
 */
int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...)
{
	va_list ap;
	char *btn;
	int btns_width = 0;
	int msg_lines = 0;
	int msg_width = 0;
	int total_width;
	int win_rows = 0;
	WINDOW *win;
	WINDOW *msg_win;
	WINDOW *menu_win;
	MENU *menu;
	ITEM *btns[btn_num+1];
	int i, x, y;
	int res = -1;


	va_start(ap, btn_num);
	for (i = 0; i < btn_num; i++) {
		btn = va_arg(ap, char *);
		btns[i] = new_item(btn, "");
		btns_width += strlen(btn)+1;
	}
	va_end(ap);
	btns[btn_num] = NULL;

	/* find the widest line of msg: */
	msg_lines = get_line_no(msg);
	for (i = 0; i < msg_lines; i++) {
		const char *line = get_line(msg, i);
		int len = get_line_length(line);
		if (msg_width < len)
			msg_width = len;
	}

	total_width = max(msg_width, btns_width);
	/* place dialog in middle of screen */
	y = (getmaxy(stdscr)-(msg_lines+4))/2;
	x = (getmaxx(stdscr)-(total_width+4))/2;


	/* create the windows */
	if (btn_num > 0)
		win_rows = msg_lines+4;
	else
		win_rows = msg_lines+2;

	win = newwin(win_rows, total_width+4, y, x);
	keypad(win, TRUE);
	menu_win = derwin(win, 1, btns_width, win_rows-2,
			1+(total_width+2-btns_width)/2);
	menu = new_menu(btns);
	msg_win = derwin(win, win_rows-2, msg_width, 1,
			1+(total_width+2-msg_width)/2);

	set_menu_fore(menu, attributes[DIALOG_MENU_FORE]);
	set_menu_back(menu, attributes[DIALOG_MENU_BACK]);

	(void) wattrset(win, attributes[DIALOG_BOX]);
	box(win, 0, 0);

	/* print message */
	(void) wattrset(msg_win, attributes[DIALOG_TEXT]);
	fill_window(msg_win, msg);

	set_menu_win(menu, win);
	set_menu_sub(menu, menu_win);
	set_menu_format(menu, 1, btn_num);
	menu_opts_off(menu, O_SHOWDESC);
	menu_opts_off(menu, O_SHOWMATCH);
	menu_opts_on(menu, O_ONEVALUE);
	menu_opts_on(menu, O_NONCYCLIC);
	set_menu_mark(menu, "");
	post_menu(menu);


	touchwin(win);
	refresh_all_windows(main_window);
	while ((res = wgetch(win))) {
		switch (res) {
		case KEY_LEFT:
			menu_driver(menu, REQ_LEFT_ITEM);
			break;
		case KEY_RIGHT:
			menu_driver(menu, REQ_RIGHT_ITEM);
			break;
		case 10: /* ENTER */
		case 27: /* ESCAPE */
		case ' ':
		case KEY_F(F_BACK):
		case KEY_F(F_EXIT):
			break;
		}
		touchwin(win);
		refresh_all_windows(main_window);

		if (res == 10 || res == ' ') {
			res = item_index(current_item(menu));
			break;
		} else if (res == 27 || res == KEY_F(F_BACK) ||
				res == KEY_F(F_EXIT)) {
			res = KEY_EXIT;
			break;
		}
	}

	unpost_menu(menu);
	free_menu(menu);
	for (i = 0; i < btn_num; i++)
		free_item(btns[i]);

	delwin(win);
	return res;
}

int dialog_inputbox(WINDOW *main_window,
		const char *title, const char *prompt,
		const char *init, char **resultp, int *result_len)
{
	int prompt_lines = 0;
	int prompt_width = 0;
	WINDOW *win;
	WINDOW *prompt_win;
	WINDOW *form_win;
	PANEL *panel;
	int i, x, y, lines, columns, win_lines, win_cols;
	int res = -1;
	int cursor_position = strlen(init);
	int cursor_form_win;
	char *result = *resultp;

	getmaxyx(stdscr, lines, columns);

	if (strlen(init)+1 > *result_len) {
		*result_len = strlen(init)+1;
		*resultp = result = xrealloc(result, *result_len);
	}

	/* find the widest line of msg: */
	prompt_lines = get_line_no(prompt);
	for (i = 0; i < prompt_lines; i++) {
		const char *line = get_line(prompt, i);
		int len = get_line_length(line);
		prompt_width = max(prompt_width, len);
	}

	if (title)
		prompt_width = max(prompt_width, strlen(title));

	win_lines = min(prompt_lines+6, lines-2);
	win_cols = min(prompt_width+7, columns-2);
	prompt_lines = max(win_lines-6, 0);
	prompt_width = max(win_cols-7, 0);

	/* place dialog in middle of screen */
	y = (lines-win_lines)/2;
	x = (columns-win_cols)/2;

	strncpy(result, init, *result_len);

	/* create the windows */
	win = newwin(win_lines, win_cols, y, x);
	prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
	form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
	keypad(form_win, TRUE);

	(void) wattrset(form_win, attributes[INPUT_FIELD]);

	(void) wattrset(win, attributes[INPUT_BOX]);
	box(win, 0, 0);
	(void) wattrset(win, attributes[INPUT_HEADING]);
	if (title)
		mvwprintw(win, 0, 3, "%s", title);

	/* print message */
	(void) wattrset(prompt_win, attributes[INPUT_TEXT]);
	fill_window(prompt_win, prompt);

	mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
	cursor_form_win = min(cursor_position, prompt_width-1);
	mvwprintw(form_win, 0, 0, "%s",
		  result + cursor_position-cursor_form_win);

	/* create panels */
	panel = new_panel(win);

	/* show the cursor */
	curs_set(1);

	touchwin(win);
	refresh_all_windows(main_window);
	while ((res = wgetch(form_win))) {
		int len = strlen(result);
		switch (res) {
		case 10: /* ENTER */
		case 27: /* ESCAPE */
		case KEY_F(F_HELP):
		case KEY_F(F_EXIT):
		case KEY_F(F_BACK):
			break;
		case 127:
		case KEY_BACKSPACE:
			if (cursor_position > 0) {
				memmove(&result[cursor_position-1],
						&result[cursor_position],
						len-cursor_position+1);
				cursor_position--;
				cursor_form_win--;
				len--;
			}
			break;
		case KEY_DC:
			if (cursor_position >= 0 && cursor_position < len) {
				memmove(&result[cursor_position],
						&result[cursor_position+1],
						len-cursor_position+1);
				len--;
			}
			break;
		case KEY_UP:
		case KEY_RIGHT:
			if (cursor_position < len) {
				cursor_position++;
				cursor_form_win++;
			}
			break;
		case KEY_DOWN:
		case KEY_LEFT:
			if (cursor_position > 0) {
				cursor_position--;
				cursor_form_win--;
			}
			break;
		case KEY_HOME:
			cursor_position = 0;
			cursor_form_win = 0;
			break;
		case KEY_END:
			cursor_position = len;
			cursor_form_win = min(cursor_position, prompt_width-1);
			break;
		default:
			if ((isgraph(res) || isspace(res))) {
				/* one for new char, one for '\0' */
				if (len+2 > *result_len) {
					*result_len = len+2;
					*resultp = result = realloc(result,
								*result_len);
				}
				/* insert the char at the proper position */
				memmove(&result[cursor_position+1],
						&result[cursor_position],
						len-cursor_position+1);
				result[cursor_position] = res;
				cursor_position++;
				cursor_form_win++;
				len++;
			} else {
				mvprintw(0, 0, "unknown key: %d\n", res);
			}
			break;
		}
		if (cursor_form_win < 0)
			cursor_form_win = 0;
		else if (cursor_form_win > prompt_width-1)
			cursor_form_win = prompt_width-1;

		wmove(form_win, 0, 0);
		wclrtoeol(form_win);
		mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
		mvwprintw(form_win, 0, 0, "%s",
			result + cursor_position-cursor_form_win);
		wmove(form_win, 0, cursor_form_win);
		touchwin(win);
		refresh_all_windows(main_window);

		if (res == 10) {
			res = 0;
			break;
		} else if (res == 27 || res == KEY_F(F_BACK) ||
				res == KEY_F(F_EXIT)) {
			res = KEY_EXIT;
			break;
		} else if (res == KEY_F(F_HELP)) {
			res = 1;
			break;
		}
	}

	/* hide the cursor */
	curs_set(0);
	del_panel(panel);
	delwin(prompt_win);
	delwin(form_win);
	delwin(win);
	return res;
}

/* refresh all windows in the correct order */
void refresh_all_windows(WINDOW *main_window)
{
	update_panels();
	touchwin(main_window);
	refresh();
}

/* layman's scrollable window... */
void show_scroll_win(WINDOW *main_window,
		const char *title,
		const char *text)
{
	int res;
	int total_lines = get_line_no(text);
	int x, y, lines, columns;
	int start_x = 0, start_y = 0;
	int text_lines = 0, text_cols = 0;
	int total_cols = 0;
	int win_cols = 0;
	int win_lines = 0;
	int i = 0;
	WINDOW *win;
	WINDOW *pad;
	PANEL *panel;

	getmaxyx(stdscr, lines, columns);

	/* find the widest line of msg: */
	total_lines = get_line_no(text);
	for (i = 0; i < total_lines; i++) {
		const char *line = get_line(text, i);
		int len = get_line_length(line);
		total_cols = max(total_cols, len+2);
	}

	/* create the pad */
	pad = newpad(total_lines+10, total_cols+10);
	(void) wattrset(pad, attributes[SCROLLWIN_TEXT]);
	fill_window(pad, text);

	win_lines = min(total_lines+4, lines-2);
	win_cols = min(total_cols+2, columns-2);
	text_lines = max(win_lines-4, 0);
	text_cols = max(win_cols-2, 0);

	/* place window in middle of screen */
	y = (lines-win_lines)/2;
	x = (columns-win_cols)/2;

	win = newwin(win_lines, win_cols, y, x);
	keypad(win, TRUE);
	/* show the help in the help window, and show the help panel */
	(void) wattrset(win, attributes[SCROLLWIN_BOX]);
	box(win, 0, 0);
	(void) wattrset(win, attributes[SCROLLWIN_HEADING]);
	mvwprintw(win, 0, 3, " %s ", title);
	panel = new_panel(win);

	/* handle scrolling */
	do {

		copywin(pad, win, start_y, start_x, 2, 2, text_lines,
				text_cols, 0);
		print_in_middle(win,
				text_lines+2,
				0,
				text_cols,
				"<OK>",
				attributes[DIALOG_MENU_FORE]);
		wrefresh(win);

		res = wgetch(win);
		switch (res) {
		case KEY_NPAGE:
		case ' ':
		case 'd':
			start_y += text_lines-2;
			break;
		case KEY_PPAGE:
		case 'u':
			start_y -= text_lines+2;
			break;
		case KEY_HOME:
			start_y = 0;
			break;
		case KEY_END:
			start_y = total_lines-text_lines;
			break;
		case KEY_DOWN:
		case 'j':
			start_y++;
			break;
		case KEY_UP:
		case 'k':
			start_y--;
			break;
		case KEY_LEFT:
		case 'h':
			start_x--;
			break;
		case KEY_RIGHT:
		case 'l':
			start_x++;
			break;
		}
		if (res == 10 || res == 27 || res == 'q' ||
			res == KEY_F(F_HELP) || res == KEY_F(F_BACK) ||
			res == KEY_F(F_EXIT))
			break;
		if (start_y < 0)
			start_y = 0;
		if (start_y >= total_lines-text_lines)
			start_y = total_lines-text_lines;
		if (start_x < 0)
			start_x = 0;
		if (start_x >= total_cols-text_cols)
			start_x = total_cols-text_cols;
	} while (res);

	del_panel(panel);
	delwin(win);
	refresh_all_windows(main_window);
}
Commit	Line	Data
0a9064fb MY	1	/*
	2	* Copyright (C) 2008 Nir Tzachar <[email protected]?
	3	* Released under the terms of the GNU GPL v2.0.
	4	*
	5	* Derived from menuconfig.
	6	*
	7	*/
	8	#include "nconf.h"
e91610da	9	#include "lkc.h"
0a9064fb MY	10
	11	/* a list of all the different widgets we use */
	12	attributes_t attributes[ATTR_MAX+1] = {0};
	13
	14	/* available colors:
	15	COLOR_BLACK 0
	16	COLOR_RED 1
	17	COLOR_GREEN 2
	18	COLOR_YELLOW 3
	19	COLOR_BLUE 4
	20	COLOR_MAGENTA 5
	21	COLOR_CYAN 6
	22	COLOR_WHITE 7
	23	*/
	24	static void set_normal_colors(void)
	25	{
	26	init_pair(NORMAL, -1, -1);
	27	init_pair(MAIN_HEADING, COLOR_MAGENTA, -1);
	28
	29	/* FORE is for the selected item */
	30	init_pair(MAIN_MENU_FORE, -1, -1);
	31	/* BACK for all the rest */
	32	init_pair(MAIN_MENU_BACK, -1, -1);
	33	init_pair(MAIN_MENU_GREY, -1, -1);
	34	init_pair(MAIN_MENU_HEADING, COLOR_GREEN, -1);
	35	init_pair(MAIN_MENU_BOX, COLOR_YELLOW, -1);
	36
	37	init_pair(SCROLLWIN_TEXT, -1, -1);
	38	init_pair(SCROLLWIN_HEADING, COLOR_GREEN, -1);
	39	init_pair(SCROLLWIN_BOX, COLOR_YELLOW, -1);
	40
	41	init_pair(DIALOG_TEXT, -1, -1);
	42	init_pair(DIALOG_BOX, COLOR_YELLOW, -1);
	43	init_pair(DIALOG_MENU_BACK, COLOR_YELLOW, -1);
	44	init_pair(DIALOG_MENU_FORE, COLOR_RED, -1);
	45
	46	init_pair(INPUT_BOX, COLOR_YELLOW, -1);
	47	init_pair(INPUT_HEADING, COLOR_GREEN, -1);
	48	init_pair(INPUT_TEXT, -1, -1);
	49	init_pair(INPUT_FIELD, -1, -1);
	50
	51	init_pair(FUNCTION_HIGHLIGHT, -1, -1);
	52	init_pair(FUNCTION_TEXT, COLOR_YELLOW, -1);
	53	}
	54
	55	/* available attributes:
	56	A_NORMAL Normal display (no highlight)
	57	A_STANDOUT Best highlighting mode of the terminal.
	58	A_UNDERLINE Underlining
	59	A_REVERSE Reverse video
	60	A_BLINK Blinking
	61	A_DIM Half bright
	62	A_BOLD Extra bright or bold
	63	A_PROTECT Protected mode
	64	A_INVIS Invisible or blank mode
	65	A_ALTCHARSET Alternate character set
	66	A_CHARTEXT Bit-mask to extract a character
	67	COLOR_PAIR(n) Color-pair number n
	68	*/
	69	static void normal_color_theme(void)
	70	{
	71	/* automatically add color... */
	72	#define mkattr(name, attr) do { \
	73	attributes[name] = attr \| COLOR_PAIR(name); } while (0)
74	mkattr(NORMAL, NORMAL);
75	mkattr(MAIN_HEADING, A_BOLD \| A_UNDERLINE);
76
77	mkattr(MAIN_MENU_FORE, A_REVERSE);
78	mkattr(MAIN_MENU_BACK, A_NORMAL);
79	mkattr(MAIN_MENU_GREY, A_NORMAL);
80	mkattr(MAIN_MENU_HEADING, A_BOLD);
81	mkattr(MAIN_MENU_BOX, A_NORMAL);
82
83	mkattr(SCROLLWIN_TEXT, A_NORMAL);
84	mkattr(SCROLLWIN_HEADING, A_BOLD);
85	mkattr(SCROLLWIN_BOX, A_BOLD);
86
87	mkattr(DIALOG_TEXT, A_BOLD);
88	mkattr(DIALOG_BOX, A_BOLD);
89	mkattr(DIALOG_MENU_FORE, A_STANDOUT);
90	mkattr(DIALOG_MENU_BACK, A_NORMAL);
91
92	mkattr(INPUT_BOX, A_NORMAL);
93	mkattr(INPUT_HEADING, A_BOLD);
94	mkattr(INPUT_TEXT, A_NORMAL);
95	mkattr(INPUT_FIELD, A_UNDERLINE);
96
97	mkattr(FUNCTION_HIGHLIGHT, A_BOLD);
98	mkattr(FUNCTION_TEXT, A_REVERSE);
99	}
100
101	static void no_colors_theme(void)
102	{
103	/* automatically add highlight, no color */
104	#define mkattrn(name, attr) { attributes[name] = attr; }
105
106	mkattrn(NORMAL, NORMAL);
107	mkattrn(MAIN_HEADING, A_BOLD \| A_UNDERLINE);
108
109	mkattrn(MAIN_MENU_FORE, A_STANDOUT);
110	mkattrn(MAIN_MENU_BACK, A_NORMAL);
111	mkattrn(MAIN_MENU_GREY, A_NORMAL);
112	mkattrn(MAIN_MENU_HEADING, A_BOLD);
113	mkattrn(MAIN_MENU_BOX, A_NORMAL);
114
115	mkattrn(SCROLLWIN_TEXT, A_NORMAL);
116	mkattrn(SCROLLWIN_HEADING, A_BOLD);
117	mkattrn(SCROLLWIN_BOX, A_BOLD);
118
119	mkattrn(DIALOG_TEXT, A_NORMAL);
120	mkattrn(DIALOG_BOX, A_BOLD);
121	mkattrn(DIALOG_MENU_FORE, A_STANDOUT);
122	mkattrn(DIALOG_MENU_BACK, A_NORMAL);
123
124	mkattrn(INPUT_BOX, A_BOLD);
125	mkattrn(INPUT_HEADING, A_BOLD);
126	mkattrn(INPUT_TEXT, A_NORMAL);
127	mkattrn(INPUT_FIELD, A_UNDERLINE);
128
129	mkattrn(FUNCTION_HIGHLIGHT, A_BOLD);
130	mkattrn(FUNCTION_TEXT, A_REVERSE);
131	}
132
e91610da	133	void set_colors(void)
0a9064fb MY	134	{
	135	start_color();
	136	use_default_colors();
	137	set_normal_colors();
	138	if (has_colors()) {
	139	normal_color_theme();
	140	} else {
	141	/* give defaults */
	142	no_colors_theme();
	143	}
	144	}
	145
	146
	147	/* this changes the windows attributes !!! */
	148	void print_in_middle(WINDOW *win,
	149	int starty,
	150	int startx,
	151	int width,
	152	const char *string,
	153	chtype color)
	154	{ int length, x, y;
	155	float temp;
	156
	157
	158	if (win == NULL)
	159	win = stdscr;
	160	getyx(win, y, x);
	161	if (startx != 0)
	162	x = startx;
	163	if (starty != 0)
	164	y = starty;
	165	if (width == 0)
	166	width = 80;
	167
	168	length = strlen(string);
	169	temp = (width - length) / 2;
	170	x = startx + (int)temp;
	171	(void) wattrset(win, color);
	172	mvwprintw(win, y, x, "%s", string);
	173	refresh();
	174	}
	175
	176	int get_line_no(const char *text)
	177	{
	178	int i;
	179	int total = 1;
	180
	181	if (!text)
	182	return 0;
	183
	184	for (i = 0; text[i] != '\0'; i++)
	185	if (text[i] == '\n')
	186	total++;
	187	return total;
	188	}
	189
	190	const char get_line(const char text, int line_no)
	191	{
	192	int i;
	193	int lines = 0;
	194
	195	if (!text)
e91610da	196	return NULL;
0a9064fb MY	197
	198	for (i = 0; text[i] != '\0' && lines < line_no; i++)
	199	if (text[i] == '\n')
	200	lines++;
	201	return text+i;
	202	}
	203
	204	int get_line_length(const char *line)
	205	{
	206	int res = 0;
	207	while (line != '\0' && line != '\n') {
	208	line++;
	209	res++;
	210	}
	211	return res;
	212	}
	213
	214	/* print all lines to the window. */
	215	void fill_window(WINDOW win, const char text)
	216	{
	217	int x, y;
	218	int total_lines = get_line_no(text);
	219	int i;
	220
	221	getmaxyx(win, y, x);
	222	/* do not go over end of line */
	223	total_lines = min(total_lines, y);
	224	for (i = 0; i < total_lines; i++) {
	225	char tmp[x+10];
	226	const char *line = get_line(text, i);
	227	int len = get_line_length(line);
	228	strncpy(tmp, line, min(len, x));
	229	tmp[len] = '\0';
	230	mvwprintw(win, i, 0, "%s", tmp);
	231	}
	232	}
	233
	234	/* get the message, and buttons.
	235	* each button must be a char*
	236	* return the selected button
	237	*
	238	* this dialog is used for 2 different things:
	239	* 1) show a text box, no buttons.
	240	* 2) show a dialog, with horizontal buttons
	241	*/
	242	int btn_dialog(WINDOW main_window, const char msg, int btn_num, ...)
	243	{
	244	va_list ap;
	245	char *btn;
	246	int btns_width = 0;
	247	int msg_lines = 0;
	248	int msg_width = 0;
	249	int total_width;
	250	int win_rows = 0;
	251	WINDOW *win;
	252	WINDOW *msg_win;
	253	WINDOW *menu_win;
	254	MENU *menu;
	255	ITEM *btns[btn_num+1];
	256	int i, x, y;
	257	int res = -1;
	258
	259
	260	va_start(ap, btn_num);
261	for (i = 0; i < btn_num; i++) {
262	btn = va_arg(ap, char *);
263	btns[i] = new_item(btn, "");
264	btns_width += strlen(btn)+1;
265	}
266	va_end(ap);
267	btns[btn_num] = NULL;
268
269	/* find the widest line of msg: */
270	msg_lines = get_line_no(msg);
271	for (i = 0; i < msg_lines; i++) {
272	const char *line = get_line(msg, i);
273	int len = get_line_length(line);
274	if (msg_width < len)
275	msg_width = len;
276	}
277
278	total_width = max(msg_width, btns_width);
279	/* place dialog in middle of screen */
280	y = (getmaxy(stdscr)-(msg_lines+4))/2;
281	x = (getmaxx(stdscr)-(total_width+4))/2;
282
283
284	/* create the windows */
285	if (btn_num > 0)
286	win_rows = msg_lines+4;
287	else
288	win_rows = msg_lines+2;
289
290	win = newwin(win_rows, total_width+4, y, x);
291	keypad(win, TRUE);
292	menu_win = derwin(win, 1, btns_width, win_rows-2,
293	1+(total_width+2-btns_width)/2);
294	menu = new_menu(btns);
295	msg_win = derwin(win, win_rows-2, msg_width, 1,
296	1+(total_width+2-msg_width)/2);
297
298	set_menu_fore(menu, attributes[DIALOG_MENU_FORE]);
299	set_menu_back(menu, attributes[DIALOG_MENU_BACK]);
300
301	(void) wattrset(win, attributes[DIALOG_BOX]);
302	box(win, 0, 0);
303
304	/* print message */
305	(void) wattrset(msg_win, attributes[DIALOG_TEXT]);
306	fill_window(msg_win, msg);
307
308	set_menu_win(menu, win);
309	set_menu_sub(menu, menu_win);
310	set_menu_format(menu, 1, btn_num);
311	menu_opts_off(menu, O_SHOWDESC);
312	menu_opts_off(menu, O_SHOWMATCH);
313	menu_opts_on(menu, O_ONEVALUE);
314	menu_opts_on(menu, O_NONCYCLIC);
315	set_menu_mark(menu, "");
316	post_menu(menu);
317
318
319	touchwin(win);
320	refresh_all_windows(main_window);
321	while ((res = wgetch(win))) {
322	switch (res) {
323	case KEY_LEFT:
324	menu_driver(menu, REQ_LEFT_ITEM);
325	break;
326	case KEY_RIGHT:
327	menu_driver(menu, REQ_RIGHT_ITEM);
328	break;
329	case 10: /* ENTER */
330	case 27: /* ESCAPE */
331	case ' ':
332	case KEY_F(F_BACK):
333	case KEY_F(F_EXIT):
334	break;
335	}
336	touchwin(win);
337	refresh_all_windows(main_window);
338
339	if (res == 10 \|\| res == ' ') {
340	res = item_index(current_item(menu));
341	break;
342	} else if (res == 27 \|\| res == KEY_F(F_BACK) \|\|
343	res == KEY_F(F_EXIT)) {
344	res = KEY_EXIT;
345	break;
346	}
347	}
348
349	unpost_menu(menu);
350	free_menu(menu);
351	for (i = 0; i < btn_num; i++)
352	free_item(btns[i]);
353
354	delwin(win);
355	return res;
356	}
357
358	int dialog_inputbox(WINDOW *main_window,
359	const char title, const char prompt,
360	const char init, char resultp, int result_len)
361	{
362	int prompt_lines = 0;
363	int prompt_width = 0;
364	WINDOW *win;
365	WINDOW *prompt_win;
366	WINDOW *form_win;
367	PANEL *panel;
bf7ab1e7	368	int i, x, y, lines, columns, win_lines, win_cols;
0a9064fb MY	369	int res = -1;
	370	int cursor_position = strlen(init);
	371	int cursor_form_win;
	372	char result = resultp;
	373
bf7ab1e7 MY	374	getmaxyx(stdscr, lines, columns);
bf7ab1e7 MY	375
0a9064fb MY	376	if (strlen(init)+1 > *result_len) {
0a9064fb MY	377	*result_len = strlen(init)+1;
e91610da	378	resultp = result = xrealloc(result, result_len);
0a9064fb MY	379	}
	380
	381	/* find the widest line of msg: */
	382	prompt_lines = get_line_no(prompt);
	383	for (i = 0; i < prompt_lines; i++) {
	384	const char *line = get_line(prompt, i);
	385	int len = get_line_length(line);
	386	prompt_width = max(prompt_width, len);
	387	}
	388
	389	if (title)
	390	prompt_width = max(prompt_width, strlen(title));
	391
bf7ab1e7 MY	392	win_lines = min(prompt_lines+6, lines-2);
	393	win_cols = min(prompt_width+7, columns-2);
	394	prompt_lines = max(win_lines-6, 0);
	395	prompt_width = max(win_cols-7, 0);
	396
0a9064fb	397	/* place dialog in middle of screen */
bf7ab1e7 MY	398	y = (lines-win_lines)/2;
bf7ab1e7 MY	399	x = (columns-win_cols)/2;
0a9064fb MY	400
	401	strncpy(result, init, *result_len);
	402
	403	/* create the windows */
bf7ab1e7	404	win = newwin(win_lines, win_cols, y, x);
0a9064fb MY	405	prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
	406	form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
	407	keypad(form_win, TRUE);
	408
	409	(void) wattrset(form_win, attributes[INPUT_FIELD]);
	410
	411	(void) wattrset(win, attributes[INPUT_BOX]);
	412	box(win, 0, 0);
	413	(void) wattrset(win, attributes[INPUT_HEADING]);
	414	if (title)
	415	mvwprintw(win, 0, 3, "%s", title);
	416
	417	/* print message */
	418	(void) wattrset(prompt_win, attributes[INPUT_TEXT]);
	419	fill_window(prompt_win, prompt);
	420
	421	mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
	422	cursor_form_win = min(cursor_position, prompt_width-1);
	423	mvwprintw(form_win, 0, 0, "%s",
	424	result + cursor_position-cursor_form_win);
	425
	426	/* create panels */
	427	panel = new_panel(win);
	428
	429	/* show the cursor */
	430	curs_set(1);
	431
	432	touchwin(win);
	433	refresh_all_windows(main_window);
	434	while ((res = wgetch(form_win))) {
	435	int len = strlen(result);
	436	switch (res) {
	437	case 10: /* ENTER */
	438	case 27: /* ESCAPE */
	439	case KEY_F(F_HELP):
	440	case KEY_F(F_EXIT):
	441	case KEY_F(F_BACK):
	442	break;
	443	case 127:
	444	case KEY_BACKSPACE:
	445	if (cursor_position > 0) {
	446	memmove(&result[cursor_position-1],
	447	&result[cursor_position],
	448	len-cursor_position+1);
	449	cursor_position--;
	450	cursor_form_win--;
	451	len--;
	452	}
	453	break;
	454	case KEY_DC:
	455	if (cursor_position >= 0 && cursor_position < len) {
	456	memmove(&result[cursor_position],
	457	&result[cursor_position+1],
	458	len-cursor_position+1);
	459	len--;
	460	}
	461	break;
	462	case KEY_UP:
	463	case KEY_RIGHT:
	464	if (cursor_position < len) {
	465	cursor_position++;
	466	cursor_form_win++;
	467	}
	468	break;
469	case KEY_DOWN:
470	case KEY_LEFT:
471	if (cursor_position > 0) {
472	cursor_position--;
473	cursor_form_win--;
474	}
475	break;
476	case KEY_HOME:
477	cursor_position = 0;
478	cursor_form_win = 0;
479	break;
480	case KEY_END:
481	cursor_position = len;
482	cursor_form_win = min(cursor_position, prompt_width-1);
483	break;
484	default:
485	if ((isgraph(res) \|\| isspace(res))) {
486	/* one for new char, one for '\0' */
487	if (len+2 > *result_len) {
488	*result_len = len+2;
489	*resultp = result = realloc(result,
490	*result_len);
491	}
492	/* insert the char at the proper position */
493	memmove(&result[cursor_position+1],
494	&result[cursor_position],
495	len-cursor_position+1);
496	result[cursor_position] = res;
497	cursor_position++;
498	cursor_form_win++;
499	len++;
500	} else {
501	mvprintw(0, 0, "unknown key: %d\n", res);
502	}
503	break;
504	}
505	if (cursor_form_win < 0)
506	cursor_form_win = 0;
507	else if (cursor_form_win > prompt_width-1)
508	cursor_form_win = prompt_width-1;
509
510	wmove(form_win, 0, 0);
511	wclrtoeol(form_win);
512	mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
513	mvwprintw(form_win, 0, 0, "%s",
514	result + cursor_position-cursor_form_win);
515	wmove(form_win, 0, cursor_form_win);
516	touchwin(win);
517	refresh_all_windows(main_window);
518
519	if (res == 10) {
520	res = 0;
521	break;
522	} else if (res == 27 \|\| res == KEY_F(F_BACK) \|\|
523	res == KEY_F(F_EXIT)) {
524	res = KEY_EXIT;
525	break;
526	} else if (res == KEY_F(F_HELP)) {
527	res = 1;
528	break;
529	}
530	}
531
532	/* hide the cursor */
533	curs_set(0);
534	del_panel(panel);
535	delwin(prompt_win);
536	delwin(form_win);
537	delwin(win);
538	return res;
539	}
540
541	/* refresh all windows in the correct order */
542	void refresh_all_windows(WINDOW *main_window)
543	{
544	update_panels();
545	touchwin(main_window);
546	refresh();
547	}
548
549	/* layman's scrollable window... */
550	void show_scroll_win(WINDOW *main_window,
551	const char *title,
552	const char *text)
553	{
554	int res;
555	int total_lines = get_line_no(text);
556	int x, y, lines, columns;
557	int start_x = 0, start_y = 0;
558	int text_lines = 0, text_cols = 0;
559	int total_cols = 0;
560	int win_cols = 0;
561	int win_lines = 0;
562	int i = 0;
563	WINDOW *win;
564	WINDOW *pad;
565	PANEL *panel;
566
567	getmaxyx(stdscr, lines, columns);
568
569	/* find the widest line of msg: */
570	total_lines = get_line_no(text);
571	for (i = 0; i < total_lines; i++) {
572	const char *line = get_line(text, i);
573	int len = get_line_length(line);
574	total_cols = max(total_cols, len+2);
575	}
576
577	/* create the pad */
578	pad = newpad(total_lines+10, total_cols+10);
579	(void) wattrset(pad, attributes[SCROLLWIN_TEXT]);
580	fill_window(pad, text);
581
582	win_lines = min(total_lines+4, lines-2);
583	win_cols = min(total_cols+2, columns-2);
584	text_lines = max(win_lines-4, 0);
585	text_cols = max(win_cols-2, 0);
586
587	/* place window in middle of screen */
588	y = (lines-win_lines)/2;
589	x = (columns-win_cols)/2;
590
591	win = newwin(win_lines, win_cols, y, x);
592	keypad(win, TRUE);
593	/* show the help in the help window, and show the help panel */
594	(void) wattrset(win, attributes[SCROLLWIN_BOX]);
595	box(win, 0, 0);
596	(void) wattrset(win, attributes[SCROLLWIN_HEADING]);
597	mvwprintw(win, 0, 3, " %s ", title);
598	panel = new_panel(win);
599
600	/* handle scrolling */
601	do {
602
603	copywin(pad, win, start_y, start_x, 2, 2, text_lines,
604	text_cols, 0);
605	print_in_middle(win,
606	text_lines+2,
607	0,
608	text_cols,
609	"<OK>",
610	attributes[DIALOG_MENU_FORE]);
611	wrefresh(win);
612
613	res = wgetch(win);
614	switch (res) {
615	case KEY_NPAGE:
616	case ' ':
617	case 'd':
618	start_y += text_lines-2;
619	break;
620	case KEY_PPAGE:
621	case 'u':
622	start_y -= text_lines+2;
623	break;
624	case KEY_HOME:
625	start_y = 0;
626	break;
627	case KEY_END:
628	start_y = total_lines-text_lines;
629	break;
630	case KEY_DOWN:
631	case 'j':
632	start_y++;
633	break;
634	case KEY_UP:
635	case 'k':
636	start_y--;
637	break;
638	case KEY_LEFT:
639	case 'h':
640	start_x--;
641	break;
642	case KEY_RIGHT:
643	case 'l':
644	start_x++;
645	break;
646	}
647	if (res == 10 \|\| res == 27 \|\| res == 'q' \|\|
648	res == KEY_F(F_HELP) \|\| res == KEY_F(F_BACK) \|\|
649	res == KEY_F(F_EXIT))
650	break;
651	if (start_y < 0)
652	start_y = 0;
653	if (start_y >= total_lines-text_lines)
654	start_y = total_lines-text_lines;
655	if (start_x < 0)
656	start_x = 0;
657	if (start_x >= total_cols-text_cols)
658	start_x = total_cols-text_cols;
659	} while (res);
660
661	del_panel(panel);
662	delwin(win);
663	refresh_all_windows(main_window);
664	}