1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2009 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
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.
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.
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_message.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 (!mpdclient_is_connected(c) ||
56 output_index >= mpd_outputs->len)
57 return false;
59 connection = mpdclient_get_connection(c);
60 output = g_ptr_array_index(mpd_outputs, output_index);
62 if (!mpd_output_get_enabled(output)) {
63 if (!mpd_run_enable_output(connection,
64 mpd_output_get_id(output))) {
65 mpdclient_handle_error(c);
66 return false;
67 }
69 c->events |= MPD_IDLE_OUTPUT;
71 screen_status_printf(_("Output '%s' enabled"),
72 mpd_output_get_name(output));
73 } else {
74 if (!mpd_run_disable_output(connection,
75 mpd_output_get_id(output))) {
76 mpdclient_handle_error(c);
77 return false;
78 }
80 c->events |= MPD_IDLE_OUTPUT;
82 screen_status_printf(_("Output '%s' disabled"),
83 mpd_output_get_name(output));
84 }
86 return true;
87 }
89 static void
90 clear_output_element(gpointer data, G_GNUC_UNUSED gpointer user_data)
91 {
92 mpd_output_free(data);
93 }
95 static void
96 clear_outputs_list(void)
97 {
98 assert(mpd_outputs != NULL);
100 if (mpd_outputs->len <= 0)
101 return;
103 g_ptr_array_foreach(mpd_outputs, clear_output_element, NULL);
104 g_ptr_array_remove_range(mpd_outputs, 0, mpd_outputs->len);
105 list_window_set_length(lw, 0);
106 }
108 static void
109 fill_outputs_list(struct mpdclient *c)
110 {
111 struct mpd_connection *connection;
112 struct mpd_output *output;
114 assert(mpd_outputs != NULL);
116 if (!mpdclient_is_connected(c))
117 return;
119 connection = mpdclient_get_connection(c);
120 mpd_send_outputs(connection);
121 while ((output = mpd_recv_output(connection)) != NULL) {
122 g_ptr_array_add(mpd_outputs, output);
123 }
125 if (!mpd_response_finish(connection))
126 mpdclient_handle_error(c);
128 list_window_set_length(lw, mpd_outputs->len);
129 }
131 static void
132 outputs_init(WINDOW *w, int cols, int rows)
133 {
134 lw = list_window_init(w, cols, rows);
136 mpd_outputs = g_ptr_array_new();
137 }
139 static void
140 outputs_resize(int cols, int rows)
141 {
142 list_window_resize(lw, cols, rows);
143 }
145 static void
146 outputs_exit(void)
147 {
148 list_window_free(lw);
150 g_ptr_array_free(mpd_outputs, TRUE);
151 }
153 static void
154 outputs_open(struct mpdclient *c)
155 {
156 fill_outputs_list(c);
157 }
159 static void
160 outputs_close(void)
161 {
162 clear_outputs_list();
163 }
165 static const char *
166 outputs_title(G_GNUC_UNUSED char *str, G_GNUC_UNUSED size_t size)
167 {
168 return _("Outputs");
169 }
171 static void
172 screen_outputs_paint_callback(WINDOW *w, unsigned i,
173 G_GNUC_UNUSED unsigned y, unsigned width,
174 bool selected, G_GNUC_UNUSED void *data)
175 {
176 const struct mpd_output *output;
178 assert(mpd_outputs != NULL);
179 assert(i < mpd_outputs->len);
181 output = g_ptr_array_index(mpd_outputs, i);
183 row_color(w, COLOR_LIST, selected);
184 waddstr(w, mpd_output_get_enabled(output) ? "[X] " : "[ ] ");
185 waddstr(w, mpd_output_get_name(output));
186 row_clear_to_eol(w, width, selected);
187 }
189 static void
190 outputs_paint(void)
191 {
192 list_window_paint2(lw, screen_outputs_paint_callback, NULL);
193 }
195 static void
196 screen_outputs_update(struct mpdclient *c)
197 {
198 if (c->events & MPD_IDLE_OUTPUT) {
199 clear_outputs_list();
200 fill_outputs_list(c);
201 outputs_repaint();
202 }
203 }
205 static bool
206 outputs_cmd(struct mpdclient *c, command_t cmd)
207 {
208 assert(mpd_outputs != NULL);
210 if (list_window_cmd(lw, cmd)) {
211 outputs_repaint();
212 return true;
213 }
215 switch (cmd) {
216 case CMD_PLAY:
217 toggle_output(c, lw->selected);
218 return true;
220 case CMD_SCREEN_UPDATE:
221 clear_outputs_list();
222 fill_outputs_list(c);
223 outputs_repaint();
224 return true;
226 default:
227 break;
228 }
230 return false;
231 }
233 const struct screen_functions screen_outputs = {
234 .init = outputs_init,
235 .exit = outputs_exit,
236 .open = outputs_open,
237 .close = outputs_close,
238 .resize = outputs_resize,
239 .paint = outputs_paint,
240 .update = screen_outputs_update,
241 .cmd = outputs_cmd,
242 .get_title = outputs_title,
243 };