src/screen_outputs.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2009 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 */
  19
  20 #include "screen_interface.h"
  21 #include "i18n.h"
  22 #include "screen.h"
  23 #include "list_window.h"
  24 #include "mpdclient.h"
  25
  26 #include <mpd/client.h>
  27
  28 #include <glib.h>
  29 #include <assert.h>
  30
  31 static list_window_t *lw = NULL;
  32
  33 static GPtrArray *mpd_outputs = NULL;
  34
  35 static void
  36 outputs_paint(void);
  37
  38 static void
  39 outputs_repaint(void)
  40 {
  41         outputs_paint();
  42         wrefresh(lw->w);
  43 }
  44
  45 static int
  46 toggle_output(struct mpdclient *c, unsigned int output_index)
  47 {
  48         struct mpd_output *output;
  49
  50         assert(mpd_outputs != NULL);
  51
  52         if (output_index >= mpd_outputs->len)
  53                 return -1;
  54
  55         output = g_ptr_array_index(mpd_outputs, output_index);
  56
  57         if (!mpd_output_get_enabled(output)) {
  58                 if (!mpd_run_enable_output(c->connection,
  59                                            mpd_output_get_id(output))) {
  60                         mpdclient_handle_error(c);
  61                         return -1;
  62                 }
  63
  64                 /* XXX reload */
  65
  66                 screen_status_printf(_("Output '%s' enabled"),
  67                                      mpd_output_get_name(output));
  68         } else {
  69                 if (!mpd_run_disable_output(c->connection,
  70                                             mpd_output_get_id(output))) {
  71                         mpdclient_handle_error(c);
  72                         return -1;
  73                 }
  74
  75                 /* XXX reload */
  76
  77                 screen_status_printf(_("Output '%s' disabled"),
  78                                      mpd_output_get_name(output));
  79         }
  80
  81         outputs_repaint();
  82
  83         return 0;
  84 }
  85
  86 static void
  87 clear_output_element(gpointer data, G_GNUC_UNUSED gpointer user_data)
  88 {
  89         mpd_output_free(data);
  90 }
  91
  92 static void
  93 clear_outputs_list(void)
  94 {
  95         assert(mpd_outputs != NULL);
  96
  97         if (mpd_outputs->len <= 0)
  98                 return;
  99
 100         g_ptr_array_foreach(mpd_outputs, clear_output_element, NULL);
 101         g_ptr_array_remove_range(mpd_outputs, 0, mpd_outputs->len);
 102 }
 103
 104 static void
 105 fill_outputs_list(struct mpdclient *c)
 106 {
 107         struct mpd_output *output;
 108
 109         assert(mpd_outputs != NULL);
 110
 111         if (c->connection == NULL)
 112                 return;
 113
 114         mpd_send_outputs(c->connection);
 115         while ((output = mpd_recv_output(c->connection)) != NULL) {
 116                 g_ptr_array_add(mpd_outputs, output);
 117         }
 118
 119         if (!mpd_response_finish(c->connection))
 120                 mpdclient_handle_error(c);
 121 }
 122
 123 static const char *
 124 outputs_list_callback(unsigned int output_index, bool *highlight,
 125                       G_GNUC_UNUSED char **sc, G_GNUC_UNUSED void *data)
 126 {
 127         struct mpd_output *output;
 128
 129         assert(mpd_outputs != NULL);
 130
 131         if (output_index >= mpd_outputs->len)
 132                 return NULL;
 133
 134         output = g_ptr_array_index(mpd_outputs, output_index);
 135
 136         if (mpd_output_get_enabled(output))
 137                 *highlight = true;
 138
 139         return mpd_output_get_name(output);
 140 }
 141
 142 static void
 143 outputs_init(WINDOW *w, int cols, int rows)
 144 {
 145         lw = list_window_init(w, cols, rows);
 146
 147         mpd_outputs = g_ptr_array_new();
 148 }
 149
 150 static void
 151 outputs_resize(int cols, int rows)
 152 {
 153         lw->cols = cols;
 154         lw->rows = rows;
 155 }
 156
 157 static void
 158 outputs_exit(void)
 159 {
 160         list_window_free(lw);
 161
 162         g_ptr_array_free(mpd_outputs, TRUE);
 163 }
 164
 165 static void
 166 outputs_open(struct mpdclient *c)
 167 {
 168         fill_outputs_list(c);
 169 }
 170
 171 static void
 172 outputs_close(void)
 173 {
 174         clear_outputs_list();
 175 }
 176
 177 static const char *
 178 outputs_title(G_GNUC_UNUSED char *str, G_GNUC_UNUSED size_t size)
 179 {
 180         return _("Outputs");
 181 }
 182
 183 static void
 184 outputs_paint(void)
 185 {
 186         list_window_paint(lw, outputs_list_callback, NULL);
 187 }
 188
 189 static bool
 190 outputs_cmd(struct mpdclient *c, command_t cmd)
 191 {
 192         assert(mpd_outputs != NULL);
 193
 194         if (list_window_cmd(lw, mpd_outputs->len, cmd)) {
 195                 outputs_repaint();
 196                 return true;
 197         }
 198
 199         if (cmd == CMD_PLAY) {
 200                 toggle_output(c, lw->selected);
 201                 return true;
 202         }
 203
 204         return false;
 205 }
 206
 207 const struct screen_functions screen_outputs = {
 208         .init      = outputs_init,
 209         .exit      = outputs_exit,
 210         .open      = outputs_open,
 211         .close     = outputs_close,
 212         .resize    = outputs_resize,
 213         .paint     = outputs_paint,
 214         .cmd       = outputs_cmd,
 215         .get_title = outputs_title,
 216 };