FM / lxdialog

/usr/src/linux-headers-5.15.0-181-generic/scripts/kconfig/lxdialog/

/usr/src/linux-headers-5.15.0-181-generic/scripts/kconfig/lxdialog

Name	Size	Mode	Actions
BIG.FAT.WARNING	233	0644	edit dl rm
checklist.c	7746	0644	edit dl rm
dialog.h	6854	0644	edit dl rm
inputbox.c	6595	0644	edit dl rm
menubox.c	10523	0644	edit dl rm
textbox.c	8523	0644	edit dl rm
util.c	17647	0644	edit dl rm
yesno.c	2262	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/scripts/kconfig/lxdialog/yesno.c (2262B)

// SPDX-License-Identifier: GPL-2.0+
/*
 *  yesno.c -- implements the yes/no box
 *
 *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
 *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
 */

#include "dialog.h"

/*
 * Display termination buttons
 */
static void print_buttons(WINDOW * dialog, int height, int width, int selected)
{
	int x = width / 2 - 10;
	int y = height - 2;

print_button(dialog, " Yes ", y, x, selected == 0);
	print_button(dialog, "  No  ", y, x + 13, selected == 1);

wmove(dialog, y, x + 1 + 13 * selected);
	wrefresh(dialog);
}

/*
 * Display a dialog box with two buttons - Yes and No
 */
int dialog_yesno(const char *title, const char *prompt, int height, int width)
{
	int i, x, y, key = 0, button = 0;
	WINDOW *dialog;

do_resize:
	if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN))
		return -ERRDISPLAYTOOSMALL;
	if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN))
		return -ERRDISPLAYTOOSMALL;

/* center dialog box on screen */
	x = (getmaxx(stdscr) - width) / 2;
	y = (getmaxy(stdscr) - height) / 2;

draw_shadow(stdscr, y, x, height, width);

dialog = newwin(height, width, y, x);
	keypad(dialog, TRUE);

draw_box(dialog, 0, 0, height, width,
		 dlg.dialog.atr, dlg.border.atr);
	wattrset(dialog, dlg.border.atr);
	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
	for (i = 0; i < width - 2; i++)
		waddch(dialog, ACS_HLINE);
	wattrset(dialog, dlg.dialog.atr);
	waddch(dialog, ACS_RTEE);

print_title(dialog, title, width);

wattrset(dialog, dlg.dialog.atr);
	print_autowrap(dialog, prompt, width - 2, 1, 3);

print_buttons(dialog, height, width, 0);

while (key != KEY_ESC) {
		key = wgetch(dialog);
		switch (key) {
		case 'Y':
		case 'y':
			delwin(dialog);
			return 0;
		case 'N':
		case 'n':
			delwin(dialog);
			return 1;

case TAB:
		case KEY_LEFT:
		case KEY_RIGHT:
			button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);

print_buttons(dialog, height, width, button);
			wrefresh(dialog);
			break;
		case ' ':
		case '\n':
			delwin(dialog);
			return button;
		case KEY_ESC:
			key = on_key_esc(dialog);
			break;
		case KEY_RESIZE:
			delwin(dialog);
			on_key_resize();
			goto do_resize;
		}
	}

delwin(dialog);
	return key;		/* ESC pressed */
}

cmd: