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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
/*
* $Id: pause.c,v 1.29 2011/06/29 09:48:53 tom Exp $
*
* pause.c -- implements the pause dialog
*
* Copyright 2004-2010,2011 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.
*
* This is adapted from source contributed by
* Yura Kalinichenko
*/
#include <dialog.h>
#include <dlg_keys.h>
#define MY_TIMEOUT 50
#define MIN_HIGH (4)
#define MIN_WIDE (10 + 2 * (2 + MARGIN))
#define BTN_HIGH (1 + 2 * MARGIN)
/*
* This is like gauge, but can be interrupted.
*
* A pause box displays a meter along the bottom of the box. The meter
* indicates how many seconds remain until the end of the pause. The pause
* exits when timeout is reached (status OK) or the user presses:
* OK button (status OK)
* CANCEL button (status CANCEL)
* Esc key (status ESC)
*
*/
int
dialog_pause(const char *title,
const char *cprompt,
int height,
int width,
int seconds)
{
/* *INDENT-OFF* */
static DLG_KEYS_BINDING binding[] = {
HELPKEY_BINDINGS,
ENTERKEY_BINDINGS,
DLG_KEYS_DATA( DLGK_ENTER, ' ' ),
DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_DOWN ),
DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ),
DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ),
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_UP ),
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ),
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ),
END_KEYS_BINDING
};
/* *INDENT-ON* */
#ifdef KEY_RESIZE
int old_height = height;
int old_width = width;
#endif
int i, x, y, step;
int button = 0;
int seconds_orig;
WINDOW *dialog;
const char **buttons = dlg_ok_labels();
bool have_buttons = (dlg_button_count(buttons) != 0);
int key = 0, fkey;
int result = DLG_EXIT_UNKNOWN;
int button_high = (have_buttons ? BTN_HIGH : MARGIN);
int gauge_y;
char *prompt = dlg_strclone(cprompt);
curs_set(0);
dlg_tab_correct_str(prompt);
seconds_orig = (seconds > 0) ? seconds : 1;
#ifdef KEY_RESIZE
retry:
height = old_height;
width = old_width;
#endif
if (have_buttons) {
dlg_auto_size(title, prompt, &height, &width,
MIN_HIGH,
MIN_WIDE);
dlg_button_layout(buttons, &width);
} else {
dlg_auto_size(title, prompt, &height, &width,
MIN_HIGH + MARGIN - BTN_HIGH,
MIN_WIDE);
}
gauge_y = height - button_high - (1 + 2 * MARGIN);
dlg_print_size(height, width);
dlg_ctl_size(height, width);
/* center dialog box on screen */
x = dlg_box_x_ordinate(width);
y = dlg_box_y_ordinate(height);
dialog = dlg_new_window(height, width, y, x);
dlg_register_window(dialog, "pause", binding);
dlg_register_buttons(dialog, "pause", buttons);
dlg_mouse_setbase(x, y);
nodelay(dialog, TRUE);
do {
(void) werase(dialog);
dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
dlg_draw_title(dialog, title);
dlg_draw_helpline(dialog, FALSE);
wattrset(dialog, dialog_attr);
dlg_print_autowrap(dialog, prompt, height, width);
dlg_draw_box(dialog,
gauge_y, 2 + MARGIN,
2 + MARGIN, width - 2 * (2 + MARGIN),
dialog_attr,
border_attr);
/*
* Clear the area for the progress bar by filling it with spaces
* in the title-attribute, and write the percentage with that
* attribute.
*/
(void) wmove(dialog, gauge_y + MARGIN, 4);
wattrset(dialog, title_attr);
for (i = 0; i < (width - 2 * (3 + MARGIN)); i++)
(void) waddch(dialog, ' ');
(void) wmove(dialog, gauge_y + MARGIN, (width / 2) - 2);
(void) wprintw(dialog, "%3d", seconds);
/*
* Now draw a bar in reverse, relative to the background.
* The window attribute was useful for painting the background,
* but requires some tweaks to reverse it.
*/
x = (seconds * (width - 2 * (3 + MARGIN))) / seconds_orig;
if ((title_attr & A_REVERSE) != 0) {
wattroff(dialog, A_REVERSE);
} else {
wattrset(dialog, A_REVERSE);
}
(void) wmove(dialog, gauge_y + MARGIN, 4);
for (i = 0; i < x; i++) {
chtype ch = winch(dialog);
if (title_attr & A_REVERSE) {
ch &= ~A_REVERSE;
}
(void) waddch(dialog, ch);
}
mouse_mkbutton(height - 2, width / 2 - 4, 6, '\n');
if (have_buttons) {
dlg_draw_bottom_box(dialog);
dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
}
(void) wrefresh(dialog);
for (step = 0;
(result == DLG_EXIT_UNKNOWN) && (step < 1000);
step += MY_TIMEOUT) {
napms(MY_TIMEOUT);
key = dlg_mouse_wgetch_nowait(dialog, &fkey);
if (key == ERR) {
; /* ignore errors in nodelay mode */
} else {
if (dlg_result_key(key, fkey, &result))
break;
}
switch (key) {
#ifdef KEY_RESIZE
case KEY_RESIZE:
dlg_clear(); /* fill the background */
dlg_del_window(dialog); /* delete this window */
refresh(); /* get it all onto the terminal */
goto retry;
#endif
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_enter_buttoncode(button);
break;
case DLGK_MOUSE(0):
result = DLG_EXIT_OK;
break;
case DLGK_MOUSE(1):
result = DLG_EXIT_CANCEL;
break;
case ERR:
break;
default:
break;
}
}
} while ((result == DLG_EXIT_UNKNOWN) && (seconds-- > 0));
nodelay(dialog, FALSE);
curs_set(1);
dlg_mouse_free_regions();
dlg_del_window(dialog);
free(prompt);
return ((result == DLG_EXIT_UNKNOWN) ? DLG_EXIT_OK : result);
}
|
