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