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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
* $Id: yesno.c,v 1.57 2012/12/01 01:48:21 tom Exp $
*
* yesno.c -- implements the yes/no box
*
* Copyright 1999-2011,2012 Thomas E. Dickey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License, version 2.1
* as published by the Free Software Foundation.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to
* Free Software Foundation, Inc.
* 51 Franklin St., Fifth Floor
* Boston, MA 02110, USA.
*
* An earlier version of this program lists as authors
* Savio Lam (lam836@cs.cuhk.hk)
*/
#include <dialog.h>
#include <dlg_keys.h>
/*
* Display a dialog box with two buttons - Yes and No.
*/
int
dialog_yesno(const char *title, const char *cprompt, int height, int width)
{
/* *INDENT-OFF* */
static DLG_KEYS_BINDING binding[] = {
HELPKEY_BINDINGS,
ENTERKEY_BINDINGS,
TRAVERSE_BINDINGS,
SCROLLKEY_BINDINGS,
END_KEYS_BINDING
};
/* *INDENT-ON* */
int x, y;
int key = 0, fkey;
int code;
int button = dlg_default_button();
WINDOW *dialog = 0;
int result = DLG_EXIT_UNKNOWN;
char *prompt = dlg_strclone(cprompt);
const char **buttons = dlg_yes_labels();
int min_width = 25;
bool show = TRUE;
int page, last = 0, offset = 0;
#ifdef KEY_RESIZE
int req_high = height;
int req_wide = width;
restart:
#endif
dlg_tab_correct_str(prompt);
dlg_button_layout(buttons, &min_width);
dlg_auto_size(title, prompt, &height, &width, 2, min_width);
dlg_print_size(height, width);
dlg_ctl_size(height, width);
x = dlg_box_x_ordinate(width);
y = dlg_box_y_ordinate(height);
#ifdef KEY_RESIZE
if (dialog != 0)
dlg_move_window(dialog, height, width, y, x);
else
#endif
{
dialog = dlg_new_window(height, width, y, x);
dlg_register_window(dialog, "yesno", binding);
dlg_register_buttons(dialog, "yesno", buttons);
}
dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
dlg_draw_title(dialog, title);
dlg_draw_helpline(dialog, FALSE);
(void) wattrset(dialog, dialog_attr);
page = height - (1 + 3 * MARGIN);
dlg_draw_buttons(dialog,
height - 2 * MARGIN, 0,
buttons, button, FALSE, width);
while (result == DLG_EXIT_UNKNOWN) {
if (show) {
last = dlg_print_scrolled(dialog, prompt, offset,
page, width, TRUE);
dlg_trace_win(dialog);
show = FALSE;
}
key = dlg_mouse_wgetch(dialog, &fkey);
if (dlg_result_key(key, fkey, &result))
break;
if ((code = dlg_char_to_button(key, buttons)) >= 0) {
result = dlg_ok_buttoncode(code);
break;
}
/* handle function keys */
if (fkey) {
switch (key) {
case DLGK_FIELD_NEXT:
button = dlg_next_button(buttons, button);
if (button < 0)
button = 0;
dlg_draw_buttons(dialog,
height - 2, 0,
buttons, button,
FALSE, width);
break;
case DLGK_FIELD_PREV:
button = dlg_prev_button(buttons, button);
if (button < 0)
button = 0;
dlg_draw_buttons(dialog,
height - 2, 0,
buttons, button,
FALSE, width);
break;
case DLGK_ENTER:
result = dlg_yes_buttoncode(button);
break;
#ifdef KEY_RESIZE
case KEY_RESIZE:
dlg_clear();
height = req_high;
width = req_wide;
goto restart;
#endif
default:
if (is_DLGK_MOUSE(key)) {
result = dlg_yes_buttoncode(key - M_EVENT);
if (result < 0)
result = DLG_EXIT_OK;
} else if (dlg_check_scrolled(key, last, page,
&show, &offset) != 0) {
beep();
}
break;
}
} else {
beep();
}
}
dlg_del_window(dialog);
dlg_mouse_free_regions();
free(prompt);
return result;
}
|
