1 files changed, 641 insertions, 0 deletions

diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
new file mode 100644
index 000000000..25a7263ef
--- /dev/null
+++ b/scripts/kconfig/nconf.gui.c
@@ -0,0 +1,641 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com>
+ *
+ * Derived from menuconfig.
+ */
+#include "nconf.h"
+#include "lkc.h"
+
+int attr_normal;
+int attr_main_heading;
+int attr_main_menu_box;
+int attr_main_menu_fore;
+int attr_main_menu_back;
+int attr_main_menu_grey;
+int attr_main_menu_heading;
+int attr_scrollwin_text;
+int attr_scrollwin_heading;
+int attr_scrollwin_box;
+int attr_dialog_text;
+int attr_dialog_menu_fore;
+int attr_dialog_menu_back;
+int attr_dialog_box;
+int attr_input_box;
+int attr_input_heading;
+int attr_input_text;
+int attr_input_field;
+int attr_function_text;
+int attr_function_highlight;
+
+#define COLOR_ATTR(_at, _fg, _bg, _hl) \
+	{ .attr = &(_at), .has_color = true, .color_fg = _fg, .color_bg = _bg, .highlight = _hl }
+#define NO_COLOR_ATTR(_at, _hl) \
+	{ .attr = &(_at), .has_color = false, .highlight = _hl }
+#define COLOR_DEFAULT		-1
+
+struct nconf_attr_param {
+	int *attr;
+	bool has_color;
+	int color_fg;
+	int color_bg;
+	int highlight;
+};
+
+static const struct nconf_attr_param color_theme_params[] = {
+	COLOR_ATTR(attr_normal,			COLOR_DEFAULT,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_main_heading,		COLOR_MAGENTA,	COLOR_DEFAULT,	A_BOLD | A_UNDERLINE),
+	COLOR_ATTR(attr_main_menu_box,		COLOR_YELLOW,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_main_menu_fore,		COLOR_DEFAULT,	COLOR_DEFAULT,	A_REVERSE),
+	COLOR_ATTR(attr_main_menu_back,		COLOR_DEFAULT,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_main_menu_grey,		COLOR_DEFAULT,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_main_menu_heading,	COLOR_GREEN,	COLOR_DEFAULT,	A_BOLD),
+	COLOR_ATTR(attr_scrollwin_text,		COLOR_DEFAULT,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_scrollwin_heading,	COLOR_GREEN,	COLOR_DEFAULT,	A_BOLD),
+	COLOR_ATTR(attr_scrollwin_box,		COLOR_YELLOW,	COLOR_DEFAULT,	A_BOLD),
+	COLOR_ATTR(attr_dialog_text,		COLOR_DEFAULT,	COLOR_DEFAULT,	A_BOLD),
+	COLOR_ATTR(attr_dialog_menu_fore,	COLOR_RED,	COLOR_DEFAULT,	A_STANDOUT),
+	COLOR_ATTR(attr_dialog_menu_back,	COLOR_YELLOW,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_dialog_box,		COLOR_YELLOW,	COLOR_DEFAULT,	A_BOLD),
+	COLOR_ATTR(attr_input_box,		COLOR_YELLOW,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_input_heading,		COLOR_GREEN,	COLOR_DEFAULT,	A_BOLD),
+	COLOR_ATTR(attr_input_text,		COLOR_DEFAULT,	COLOR_DEFAULT,	A_NORMAL),
+	COLOR_ATTR(attr_input_field,		COLOR_DEFAULT,	COLOR_DEFAULT,	A_UNDERLINE),
+	COLOR_ATTR(attr_function_text,		COLOR_YELLOW,	COLOR_DEFAULT,	A_REVERSE),
+	COLOR_ATTR(attr_function_highlight,	COLOR_DEFAULT,	COLOR_DEFAULT,	A_BOLD),
+	{ /* sentinel */ }
+};
+
+static const struct nconf_attr_param no_color_theme_params[] = {
+	NO_COLOR_ATTR(attr_normal,		A_NORMAL),
+	NO_COLOR_ATTR(attr_main_heading,	A_BOLD | A_UNDERLINE),
+	NO_COLOR_ATTR(attr_main_menu_box,	A_NORMAL),
+	NO_COLOR_ATTR(attr_main_menu_fore,	A_STANDOUT),
+	NO_COLOR_ATTR(attr_main_menu_back,	A_NORMAL),
+	NO_COLOR_ATTR(attr_main_menu_grey,	A_NORMAL),
+	NO_COLOR_ATTR(attr_main_menu_heading,	A_BOLD),
+	NO_COLOR_ATTR(attr_scrollwin_text,	A_NORMAL),
+	NO_COLOR_ATTR(attr_scrollwin_heading,	A_BOLD),
+	NO_COLOR_ATTR(attr_scrollwin_box,	A_BOLD),
+	NO_COLOR_ATTR(attr_dialog_text,		A_NORMAL),
+	NO_COLOR_ATTR(attr_dialog_menu_fore,	A_STANDOUT),
+	NO_COLOR_ATTR(attr_dialog_menu_back,	A_NORMAL),
+	NO_COLOR_ATTR(attr_dialog_box,		A_BOLD),
+	NO_COLOR_ATTR(attr_input_box,		A_BOLD),
+	NO_COLOR_ATTR(attr_input_heading,	A_BOLD),
+	NO_COLOR_ATTR(attr_input_text,		A_NORMAL),
+	NO_COLOR_ATTR(attr_input_field,		A_UNDERLINE),
+	NO_COLOR_ATTR(attr_function_text,	A_REVERSE),
+	NO_COLOR_ATTR(attr_function_highlight,	A_BOLD),
+	{ /* sentinel */ }
+};
+
+void set_colors(void)
+{
+	const struct nconf_attr_param *p;
+	int pair = 0;
+
+	if (has_colors()) {
+		start_color();
+		use_default_colors();
+		p = color_theme_params;
+	} else {
+		p = no_color_theme_params;
+	}
+
+	for (; p->attr; p++) {
+		int attr = p->highlight;
+
+		if (p->has_color) {
+			pair++;
+			init_pair(pair, p->color_fg, p->color_bg);
+			attr |= COLOR_PAIR(pair);
+		}
+
+		*p->attr = attr;
+	}
+}
+
+/* this changes the windows attributes !!! */
+void print_in_middle(WINDOW *win, int y, int width, const char *str, int attrs)
+{
+	wattrset(win, attrs);
+	mvwprintw(win, y, (width - strlen(str)) / 2, "%s", str);
+}
+
+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, attr_dialog_menu_fore);
+	set_menu_back(menu, attr_dialog_menu_back);
+
+	wattrset(win, attr_dialog_box);
+	box(win, 0, 0);
+
+	/* print message */
+	wattrset(msg_win, attr_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);
+
+	wattrset(form_win, attr_input_field);
+
+	wattrset(win, attr_input_box);
+	box(win, 0, 0);
+	wattrset(win, attr_input_heading);
+	if (title)
+		mvwprintw(win, 0, 3, "%s", title);
+
+	/* print message */
+	wattrset(prompt_win, attr_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 8:   /* ^H */
+		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();
+}
+
+void show_scroll_win(WINDOW *main_window,
+		const char *title,
+		const char *text)
+{
+	(void)show_scroll_win_ext(main_window, title, (char *)text, NULL, NULL, NULL, NULL);
+}
+
+/* layman's scrollable window... */
+int show_scroll_win_ext(WINDOW *main_window, const char *title, char *text,
+			int *vscroll, int *hscroll,
+			extra_key_cb_fn extra_key_cb, void *data)
+{
+	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;
+	bool done = false;
+
+	if (hscroll)
+		start_x = *hscroll;
+	if (vscroll)
+		start_y = *vscroll;
+
+	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);
+	wattrset(pad, attr_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 */
+	wattrset(win, attr_scrollwin_box);
+	box(win, 0, 0);
+	wattrset(win, attr_scrollwin_heading);
+	mvwprintw(win, 0, 3, " %s ", title);
+	panel = new_panel(win);
+
+	/* handle scrolling */
+	while (!done) {
+		copywin(pad, win, start_y, start_x, 2, 2, text_lines,
+				text_cols, 0);
+		print_in_middle(win,
+				text_lines+2,
+				text_cols,
+				"<OK>",
+				attr_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;
+		default:
+			if (extra_key_cb) {
+				size_t start = (get_line(text, start_y) - text);
+				size_t end = (get_line(text, start_y + text_lines) - text);
+
+				if (extra_key_cb(res, start, end, data)) {
+					done = true;
+					break;
+				}
+			}
+		}
+		if (res == 0 || 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;
+	}
+
+	if (hscroll)
+		*hscroll = start_x;
+	if (vscroll)
+		*vscroll = start_y;
+	del_panel(panel);
+	delwin(win);
+	refresh_all_windows(main_window);
+	return res;
+}