1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* yesno.c -- implements the yes/no box
*
* AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
/*
* Display a dialog box with two buttons - Yes and No
*/
int dialog_yesno(unsigned char *title, unsigned char * prompt, int height, int width)
{
int i, x, y, key = 0, button = 0;
WINDOW *dialog;
/* center dialog box on screen */
x = (COLS - width)/2;
y = (LINES - height)/2;
#ifdef HAVE_NCURSES
if (use_shadow)
draw_shadow(stdscr, y, x, height, width);
#endif
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset(dialog, border_attr);
wmove(dialog, height-3, 0);
waddch(dialog, ACS_LTEE);
for (i = 0; i < width-2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
waddch(dialog, ACS_RTEE);
wmove(dialog, height-2, 1);
for (i = 0; i < width-2; i++)
waddch(dialog, ' ');
if (title != NULL) {
wattrset(dialog, title_attr);
wmove(dialog, 0, (width - strlen(title))/2 - 1);
waddch(dialog, ' ');
waddstr(dialog, title);
waddch(dialog, ' ');
}
wattrset(dialog, dialog_attr);
print_autowrap(dialog, prompt, width, 1, 3);
x = width/2-10;
y = height-2;
print_button(dialog, " No ", y, x+13, FALSE);
print_button(dialog, " Yes ", y, x, TRUE);
wrefresh(dialog);
while (key != ESC) {
key = wgetch(dialog);
switch (key) {
case 'Y':
case 'y':
delwin(dialog);
return 0;
case 'N':
case 'n':
delwin(dialog);
return 1;
case KEY_BTAB:
case TAB:
case KEY_UP:
case KEY_DOWN:
case KEY_LEFT:
case KEY_RIGHT:
if (!button) {
button = 1; /* Indicates "No" button is selected */
print_button(dialog, " Yes ", y, x, FALSE);
print_button(dialog, " No ", y, x+13, TRUE);
}
else {
button = 0; /* Indicates "Yes" button is selected */
print_button(dialog, " No ", y, x+13, FALSE);
print_button(dialog, " Yes ", y, x, TRUE);
}
wrefresh(dialog);
break;
case ' ':
case '\n':
delwin(dialog);
return button;
case ESC:
break;
}
}
delwin(dialog);
return -1; /* ESC pressed */
}
/* End of dialog_yesno() */
|
