source: MondoRescue/branches/stable/mindi-busybox/scripts/kconfig/lxdialog/yesno.c @ 1770

Last change on this file since 1770 was 1765, checked in by Bruno Cornec, 13 years ago

Update to busybox 1.7.2

  • Property svn:eol-style set to native
File size: 2.5 KB
Line 
1/*
2 *  yesno.c -- implements the yes/no box
3 *
4 *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
5 *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
6 *
7 *  This program is free software; you can redistribute it and/or
8 *  modify it under the terms of the GNU General Public License
9 *  as published by the Free Software Foundation; either version 2
10 *  of the License, or (at your option) any later version.
11 *
12 *  This program is distributed in the hope that it will be useful,
13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 *  GNU General Public License for more details.
16 *
17 *  You should have received a copy of the GNU General Public License
18 *  along with this program; if not, write to the Free Software
19 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#include "dialog.h"
23
24/*
25 * Display termination buttons
26 */
27static void print_buttons(WINDOW * dialog, int height, int width, int selected)
28{
29    int x = width / 2 - 10;
30    int y = height - 2;
31
32    print_button(dialog, " Yes ", y, x, selected == 0);
33    print_button(dialog, "  No  ", y, x + 13, selected == 1);
34
35    wmove(dialog, y, x + 1 + 13 * selected);
36    wrefresh(dialog);
37}
38
39/*
40 * Display a dialog box with two buttons - Yes and No
41 */
42int dialog_yesno(const char *title, const char *prompt, int height, int width)
43{
44    int i, x, y, key = 0, button = 0;
45    WINDOW *dialog;
46
47    /* center dialog box on screen */
48    x = (COLS - width) / 2;
49    y = (LINES - height) / 2;
50
51    draw_shadow(stdscr, y, x, height, width);
52
53    dialog = newwin(height, width, y, x);
54    keypad(dialog, TRUE);
55
56    draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
57    wattrset(dialog, border_attr);
58    mvwaddch(dialog, height - 3, 0, ACS_LTEE);
59    for (i = 0; i < width - 2; i++)
60        waddch(dialog, ACS_HLINE);
61    wattrset(dialog, dialog_attr);
62    waddch(dialog, ACS_RTEE);
63
64    print_title(dialog, title, width);
65
66    wattrset(dialog, dialog_attr);
67    print_autowrap(dialog, prompt, width - 2, 1, 3);
68
69    print_buttons(dialog, height, width, 0);
70
71    while (key != ESC) {
72        key = wgetch(dialog);
73        switch (key) {
74        case 'Y':
75        case 'y':
76            delwin(dialog);
77            return 0;
78        case 'N':
79        case 'n':
80            delwin(dialog);
81            return 1;
82
83        case TAB:
84        case KEY_LEFT:
85        case KEY_RIGHT:
86            button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);
87
88            print_buttons(dialog, height, width, button);
89            wrefresh(dialog);
90            break;
91        case ' ':
92        case '\n':
93            delwin(dialog);
94            return button;
95        case ESC:
96            break;
97        }
98    }
99
100    delwin(dialog);
101    return -1;      /* ESC pressed */
102}
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