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
|
/*
* device_name_form.c - ask for sound control device name
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "aconfig.h"
#include <stdlib.h>
#include <string.h>
#include CURSESINC
#include <form.h>
#include "gettext_curses.h"
#include "die.h"
#include "mem.h"
#include "utils.h"
#include "colors.h"
#include "widget.h"
#include "mixer_widget.h"
#include "card_select.h"
#include "device_name.h"
static struct widget form_widget;
static FIELD *fields[3];
static FORM *form;
static char *dup_current_name(void)
{
int rows, cols, max, i;
char *s;
if (form_driver(form, REQ_VALIDATION) == E_OK) {
dynamic_field_info(fields[1], &rows, &cols, &max);
s = ccalloc(1, cols + 1);
memcpy(s, field_buffer(fields[1], 0), cols);
for (i = strlen(s) - 1; i >= 0 && s[i] == ' '; --i)
s[i] = '\0';
return s;
} else {
return cstrdup("");
}
}
static void on_key_enter(void)
{
char *s;
bool ok;
s = dup_current_name();
ok = select_card_by_name(s);
free(s);
if (ok) {
form_widget.close();
close_card_select_list();
}
}
static void on_form_key(int key)
{
static const struct {
int key;
int request;
} key_map[] = {
{ KEY_LEFT, REQ_PREV_CHAR },
{ KEY_RIGHT, REQ_NEXT_CHAR },
{ KEY_HOME, REQ_BEG_FIELD },
{ KEY_BACKSPACE, REQ_DEL_PREV },
{ KEY_DC, REQ_DEL_CHAR },
{ KEY_BEG, REQ_BEG_FIELD },
{ KEY_END, REQ_END_FIELD },
};
unsigned int i;
if (key >= 32 && key < 256) {
form_driver(form, key);
return;
}
for (i = 0; i < ARRAY_SIZE(key_map); ++i)
if (key_map[i].key == key) {
form_driver(form, key_map[i].request);
break;
}
}
static void on_handle_key(int key)
{
switch (key) {
case 27:
case KEY_CANCEL:
form_widget.close();
break;
case 10:
case 13:
case KEY_ENTER:
on_key_enter();
break;
default:
on_form_key(key);
break;
}
}
static bool create(void)
{
const char *title;
if (screen_lines < 6 || screen_cols < 36) {
form_widget.close();
beep();
return FALSE;
}
widget_init(&form_widget,
6, 36, SCREEN_CENTER, SCREEN_CENTER,
attr_textbox, WIDGET_BORDER | WIDGET_SUBWINDOW | WIDGET_CURSOR_VISIBLE);
title = _("Sound Card");
mvwprintw(form_widget.window, 0, (36 - 2 - get_mbs_width(title)) / 2, " %s ", title);
set_form_win(form, form_widget.window);
set_form_sub(form, form_widget.subwindow);
return TRUE;
}
static void on_window_size_changed(void)
{
form_driver(form, REQ_VALIDATION); /* save field value */
unpost_form(form);
if (!create())
return;
/*
* This call fails because ncurses does not allow changing options of
* the current field, and we cannot change the current field because
* there is only one. The only way to make this work would be to throw
* away and recreate all fields.
*/
field_opts_off(fields[1], O_BLANK);
post_form(form);
}
static void on_close(void)
{
unpost_form(form);
free_form(form);
free_field(fields[0]);
free_field(fields[1]);
widget_free(&form_widget);
}
static struct widget form_widget = {
.handle_key = on_handle_key,
.window_size_changed = on_window_size_changed,
.close = on_close,
};
void create_device_name_form(void)
{
fields[0] = new_field(1, 32, 1, 1, 0, 0);
if (!fields[0])
fatal_error("cannot create field");
field_opts_off(fields[0], O_ACTIVE);
field_opts_off(fields[0], O_EDIT);
set_field_fore(fields[0], attr_textbox);
set_field_back(fields[0], attr_textbox);
set_field_buffer(fields[0], 0, _("Device name:"));
fields[1] = new_field(1, 32, 2, 1, 0, 0);
if (!fields[1])
fatal_error("cannot create field");
field_opts_off(fields[1], O_AUTOSKIP);
field_opts_off(fields[1], O_NULLOK);
field_opts_off(fields[1], O_STATIC);
set_field_fore(fields[1], attr_textfield);
set_field_back(fields[1], attr_textfield);
set_field_buffer(fields[1], 0, mixer_device_name);
form = new_form(fields);
if (!form)
fatal_error("cannot create form");
if (!create())
return;
post_form(form);
}
|
