// 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 */
}