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