1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2010 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "screen_outputs.h"
21 #include "screen_interface.h"
22 #include "screen_status.h"
23 #include "paint.h"
24 #include "i18n.h"
25 #include "list_window.h"
26 #include "mpdclient.h"
28 #include <mpd/client.h>
30 #include <glib.h>
31 #include <assert.h>
33 static struct list_window *lw;
35 static GPtrArray *mpd_outputs = NULL;
37 static void
38 outputs_paint(void);
40 static void
41 outputs_repaint(void)
42 {
43 outputs_paint();
44 wrefresh(lw->w);
45 }
47 static bool
48 toggle_output(struct mpdclient *c, unsigned int output_index)
49 {
50 struct mpd_connection *connection;
51 struct mpd_output *output;
53 assert(mpd_outputs != NULL);
55 if (output_index >= mpd_outputs->len)
56 return false;
58 connection = mpdclient_get_connection(c);
59 if (connection == NULL)
60 return false;
62 output = g_ptr_array_index(mpd_outputs, output_index);
64 if (!mpd_output_get_enabled(output)) {
65 if (!mpd_run_enable_output(connection,
66 mpd_output_get_id(output))) {
67 mpdclient_handle_error(c);
68 return false;
69 }
71 c->events |= MPD_IDLE_OUTPUT;
73 screen_status_printf(_("Output '%s' enabled"),
74 mpd_output_get_name(output));
75 } else {
76 if (!mpd_run_disable_output(connection,
77 mpd_output_get_id(output))) {
78 mpdclient_handle_error(c);
79 return false;
80 }
82 c->events |= MPD_IDLE_OUTPUT;
84 screen_status_printf(_("Output '%s' disabled"),
85 mpd_output_get_name(output));
86 }
88 return true;
89 }
91 static void
92 clear_output_element(gpointer data, G_GNUC_UNUSED gpointer user_data)
93 {
94 mpd_output_free(data);
95 }
97 static void
98 clear_outputs_list(void)
99 {
100 assert(mpd_outputs != NULL);
102 if (mpd_outputs->len <= 0)
103 return;
105 g_ptr_array_foreach(mpd_outputs, clear_output_element, NULL);
106 g_ptr_array_remove_range(mpd_outputs, 0, mpd_outputs->len);
108 /* not updating the list_window length here, because that
109 would clear the cursor position, and fill_outputs_list()
110 will be called after this function anyway */
111 /* list_window_set_length(lw, 0); */
112 }
114 static void
115 fill_outputs_list(struct mpdclient *c)
116 {
117 struct mpd_connection *connection;
118 struct mpd_output *output;
120 assert(mpd_outputs != NULL);
122 connection = mpdclient_get_connection(c);
123 if (connection == NULL) {
124 list_window_set_length(lw, 0);
125 return;
126 }
128 mpd_send_outputs(connection);
129 while ((output = mpd_recv_output(connection)) != NULL) {
130 g_ptr_array_add(mpd_outputs, output);
131 }
133 mpdclient_finish_command(c);
135 list_window_set_length(lw, mpd_outputs->len);
136 }
138 static void
139 outputs_init(WINDOW *w, int cols, int rows)
140 {
141 lw = list_window_init(w, cols, rows);
143 mpd_outputs = g_ptr_array_new();
144 }
146 static void
147 outputs_resize(int cols, int rows)
148 {
149 list_window_resize(lw, cols, rows);
150 }
152 static void
153 outputs_exit(void)
154 {
155 list_window_free(lw);
157 g_ptr_array_free(mpd_outputs, TRUE);
158 }
160 static void
161 outputs_open(struct mpdclient *c)
162 {
163 fill_outputs_list(c);
164 }
166 static void
167 outputs_close(void)
168 {
169 clear_outputs_list();
170 }
172 static const char *
173 outputs_title(G_GNUC_UNUSED char *str, G_GNUC_UNUSED size_t size)
174 {
175 return _("Outputs");
176 }
178 static void
179 screen_outputs_paint_callback(WINDOW *w, unsigned i,
180 G_GNUC_UNUSED unsigned y, unsigned width,
181 bool selected, G_GNUC_UNUSED void *data)
182 {
183 const struct mpd_output *output;
185 assert(mpd_outputs != NULL);
186 assert(i < mpd_outputs->len);
188 output = g_ptr_array_index(mpd_outputs, i);
190 row_color(w, COLOR_LIST, selected);
191 waddstr(w, mpd_output_get_enabled(output) ? "[X] " : "[ ] ");
192 waddstr(w, mpd_output_get_name(output));
193 row_clear_to_eol(w, width, selected);
194 }
196 static void
197 outputs_paint(void)
198 {
199 list_window_paint2(lw, screen_outputs_paint_callback, NULL);
200 }
202 static void
203 screen_outputs_update(struct mpdclient *c)
204 {
205 if (c->events & MPD_IDLE_OUTPUT) {
206 clear_outputs_list();
207 fill_outputs_list(c);
208 outputs_repaint();
209 }
210 }
212 static bool
213 outputs_cmd(struct mpdclient *c, command_t cmd)
214 {
215 assert(mpd_outputs != NULL);
217 if (list_window_cmd(lw, cmd)) {
218 outputs_repaint();
219 return true;
220 }
222 switch (cmd) {
223 case CMD_PLAY:
224 toggle_output(c, lw->selected);
225 return true;
227 case CMD_SCREEN_UPDATE:
228 clear_outputs_list();
229 fill_outputs_list(c);
230 outputs_repaint();
231 return true;
233 default:
234 break;
235 }
237 return false;
238 }
240 const struct screen_functions screen_outputs = {
241 .init = outputs_init,
242 .exit = outputs_exit,
243 .open = outputs_open,
244 .close = outputs_close,
245 .resize = outputs_resize,
246 .paint = outputs_paint,
247 .update = screen_outputs_update,
248 .cmd = outputs_cmd,
249 .get_title = outputs_title,
250 };