src/screen_lyrics.c

   1 /*
   2  * $Id: screen_lyrics.c 3355 2006-09-1 17:44:04Z tradiaz $
   3  *
   4  * (c) 2006 by Kalle Wallin <kaw@linux.se>
   5  * Tue Aug  1 23:17:38 2006
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "config.h"
  23 #ifndef DISABLE_LYRICS_SCREEN
  24 #include <sys/stat.h>
  25 #include "ncmpc.h"
  26 #include "options.h"
  27 #include "mpdclient.h"
  28 #include "command.h"
  29 #include "screen.h"
  30 #include "screen_utils.h"
  31 #include "easy_download.h"
  32 #include "strfsong.h"
  33 #include "src_lyrics.h"
  34 #include "gcc.h"
  35
  36 #define _GNU_SOURCE
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <glib.h>
  40 #include <ncurses.h>
  41 #include <expat.h>
  42 #include <unistd.h>
  43 #include <glib/gstdio.h>
  44 #include <stdio.h>
  45
  46 static list_window_t *lw = NULL;
  47 static int lyrics_text_rows = -1;
  48 static int src_selection;
  49
  50 static void lyrics_paint(screen_t *screen, mpdclient_t *c);
  51
  52 static FILE *create_lyr_file(char *artist, char *title)
  53 {
  54         char path[1024];
  55
  56         snprintf(path, 1024, "%s/.lyrics",
  57                  getenv("HOME"));
  58         if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;
  59
  60         snprintf(path, 1024, "%s/.lyrics/%s",
  61                  getenv("HOME"), artist);
  62         if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;
  63
  64         snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
  65                  getenv("HOME"), artist, title);
  66
  67         return fopen(path, "w");
  68 }
  69
  70
  71 static int store_lyr_hd(void)
  72 {
  73         char artist[512];
  74         char title[512];
  75         static char path[1024];
  76         FILE *lyr_file;
  77         unsigned i;
  78         char line_buf[1024];
  79
  80         get_text_line(&lyr_text, 0, artist, 512);
  81         get_text_line(&lyr_text, 1, title, 512);
  82         artist[strlen(artist)-1] = '\0';
  83         title[strlen(title)-1] = '\0';
  84
  85         snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
  86                  getenv("HOME"), artist, title);
  87         lyr_file = create_lyr_file(artist, title);
  88         if (lyr_file == NULL)
  89                 return -1;
  90
  91         for (i = 3; i <= lyr_text.text->len; i++) {
  92                 if (get_text_line(&lyr_text, i, line_buf, 1024) == -1)
  93                         break;
  94                 fputs(line_buf, lyr_file);
  95         }
  96
  97         fclose(lyr_file);
  98         return 0;
  99 }
 100
 101
 102 static void check_repaint(void)
 103 {
 104         if(screen_get_id("lyrics") == get_cur_mode_id())lyrics_paint(NULL, NULL);
 105 }
 106
 107
 108 static gpointer get_lyr(void *c)
 109 {
 110         mpd_Status *status = ((retrieval_spec*)c)->client->status;
 111         mpd_Song *cur = ((retrieval_spec*)c)->client->song;
 112         char artist[MAX_SONGNAME_LENGTH];
 113         char title[MAX_SONGNAME_LENGTH];
 114
 115         //mpdclient_update((mpdclient_t*)c);
 116
 117         if(!(IS_PAUSED(status->state)||IS_PLAYING(status->state))) {
 118                 formed_text_init(&lyr_text);
 119                 return NULL;
 120         }
 121
 122
 123         lock=2;
 124         result = 0;
 125
 126         formed_text_init(&lyr_text);
 127
 128         strfsong(artist, MAX_SONGNAME_LENGTH, "%artist%", cur);
 129         strfsong(title, MAX_SONGNAME_LENGTH, "%title%", cur);
 130
 131         //write header..
 132         formed_text_init(&lyr_text);
 133         add_text_line(&lyr_text, artist, 0);
 134         add_text_line(&lyr_text, title, 0);
 135         add_text_line(&lyr_text, "", 0);
 136         add_text_line(&lyr_text, "", 0);
 137
 138         if (((retrieval_spec*)c)->way != -1) /*till it'S of use*/ {
 139                 if(get_lyr_by_src (src_selection, artist, title) != 0) {
 140                         lock=0;
 141                         return NULL;
 142                 }
 143         }
 144         /*else{
 145           if(get_lyr_hd(artist, title) != 0)
 146           {
 147           if(get_lyr_hd(artist, title) != 0) return NULL;
 148           }
 149           else result |= 1;
 150           }*/
 151         //return NULL;
 152         lw->start = 0;
 153         check_repaint();
 154         lock = 1;
 155         return &lyr_text;
 156 }
 157
 158 static const char *
 159 list_callback(unsigned idx, int *highlight, mpd_unused void *data)
 160 {
 161         static char buf[512];
 162
 163         //i think i'ts fine to write it into the 1st line...
 164         if ((idx == lyr_text.lines->len && lyr_text.lines->len > 4) ||
 165             ((lyr_text.lines->len == 0 || lyr_text.lines->len == 4) &&
 166              idx == 0)) {
 167                 src_lyr* selected = g_array_index(src_lyr_stack, src_lyr*, src_selection);
 168                 *highlight=3;
 169                 if (selected != NULL)
 170                         return selected->description;
 171                 return "";
 172         }
 173
 174         if (idx < 2 && lyr_text.lines->len > 4)
 175                 *highlight=3;
 176         else if(idx >= lyr_text.lines->len ||
 177                 (idx < 4 && idx != 0 && lyr_text.lines->len < 5)) {
 178                 return "";
 179         }
 180
 181         get_text_line(&lyr_text, idx, buf, 512);
 182         return buf;
 183 }
 184
 185
 186 static void
 187 lyrics_init(WINDOW *w, int cols, int rows)
 188 {
 189         lw = list_window_init(w, cols, rows);
 190         lw->flags = LW_HIDE_CURSOR;
 191         //lyr_text.lines = g_array_new(FALSE, TRUE, 4);
 192         formed_text_init(&lyr_text);
 193         if (!g_thread_supported())
 194                 g_thread_init(NULL);
 195 }
 196
 197 static void
 198 lyrics_resize(int cols, int rows)
 199 {
 200         lw->cols = cols;
 201         lw->rows = rows;
 202 }
 203
 204 static void
 205 lyrics_exit(void)
 206 {
 207         list_window_free(lw);
 208 }
 209
 210
 211 static const char *
 212 lyrics_title(mpd_unused char *str, mpd_unused size_t size)
 213 {
 214         static GString *msg;
 215         if (msg == NULL)
 216                 msg = g_string_new ("");
 217         else g_string_erase (msg, 0, -1);
 218
 219         g_string_append (msg, "Lyrics  [");
 220
 221         if (src_selection > (int)src_lyr_stack->len - 1)
 222                 g_string_append (msg, "No plugin available");
 223         else {
 224                 src_lyr* selected =  g_array_index (src_lyr_stack, src_lyr*, src_selection);
 225                 if (selected != NULL)
 226                         g_string_append (msg, selected->name);
 227                 else
 228                         g_string_append (msg, "NONE");
 229         }
 230
 231         if(lyr_text.lines->len == 4) {
 232                 if(lock == 1) {
 233                         if(!(result & 1)) {
 234                                 g_string_append (msg, " - ");
 235                                 if(!(result & 2)) g_string_append (msg, _("No access"));
 236                                 else if(!(result & 4)||!(result & 16)) g_string_append (msg, _("Not found"));
 237                         }
 238                 }
 239                 if(lock == 2) {
 240                         g_string_append (msg, " - ");
 241                         g_string_append (msg, _("retrieving"));
 242                 }
 243         }
 244
 245         g_string_append_c (msg, ']');
 246
 247         return msg->str;
 248 }
 249
 250 static void
 251 lyrics_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 252 {
 253         lw->clear = 1;
 254         list_window_paint(lw, list_callback, NULL);
 255         wrefresh(lw->w);
 256 }
 257
 258
 259 static void
 260 lyrics_update(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 261 {
 262         if( lw->repaint ) {
 263                 list_window_paint(lw, list_callback, NULL);
 264                 wrefresh(lw->w);
 265                 lw->repaint = 0;
 266         }
 267 }
 268
 269
 270 static int
 271 lyrics_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 272 {
 273         static retrieval_spec spec;
 274
 275         lw->repaint=1;
 276         switch(cmd) {
 277         case CMD_LIST_NEXT:
 278                 if( lw->start+lw->rows < lyr_text.lines->len+1 )
 279                         lw->start++;
 280                 return 1;
 281         case CMD_LIST_PREVIOUS:
 282                 if( lw->start >0 )
 283                         lw->start--;
 284                 return 1;
 285         case CMD_LIST_FIRST:
 286                 lw->start = 0;
 287                 return 1;
 288         case CMD_LIST_LAST:
 289                 if ((unsigned)lyrics_text_rows > lw->rows)
 290                         lw->start = lyrics_text_rows - lw->rows;
 291                 else
 292                         lw->start = 0;
 293                 return 1;
 294         case CMD_LIST_NEXT_PAGE:
 295                 lw->start = lw->start + lw->rows - 1;
 296                 if (lw->start + lw->rows >= (unsigned)lyrics_text_rows + 1) {
 297                         if ((unsigned)lyrics_text_rows + 1 > lw->rows)
 298                                 lw->start = lyrics_text_rows + 1 - lw->rows;
 299                         else
 300                                 lw->start = 0;
 301                 }
 302                 return 1;
 303         case CMD_LIST_PREVIOUS_PAGE:
 304                 if (lw->start > lw->rows)
 305                         lw->start -= lw->rows;
 306                 else
 307                         lw->start = 0;
 308                 return 1;
 309         case CMD_SELECT:
 310                 spec.client = c;
 311                 spec.way = 0;
 312                 g_thread_create(get_lyr, &spec, FALSE, NULL);
 313                 return 1;
 314         case CMD_INTERRUPT:
 315                 if(lock > 1) lock = 4;
 316                 return 1;
 317         case CMD_ADD:
 318                 if(lock > 0 && lock != 4) {
 319                         if(store_lyr_hd() == 0)
 320                                 screen_status_message (_("Lyrics saved!"));
 321                 }
 322                 return 1;
 323         case CMD_LYRICS_UPDATE:
 324                 spec.client = c;
 325                 spec.way = 1;
 326                 g_thread_create(get_lyr, &spec, FALSE, NULL);
 327                 return 1;
 328         case CMD_SEARCH_MODE:
 329                 //while (0==0) fprintf (stderr, "%i", src_lyr_stack->len);
 330                 if (src_selection == (int)src_lyr_stack->len - 1)
 331                         src_selection = -1;
 332                 src_selection++;
 333                 return 1;
 334         default:
 335                 break;
 336         }
 337
 338         lw->selected = lw->start+lw->rows;
 339         if (screen_find(screen,
 340                         lw,  lyrics_text_rows,
 341                         cmd, list_callback, NULL)) {
 342                 /* center the row */
 343                 lw->start = lw->selected - (lw->rows / 2);
 344                 if (lw->start + lw->rows > (unsigned)lyrics_text_rows) {
 345                         if (lw->rows < (unsigned)lyrics_text_rows)
 346                                 lw->start = lyrics_text_rows - lw->rows;
 347                         else
 348                                 lw->start = 0;
 349                 }
 350                 return 1;
 351         }
 352
 353         return 0;
 354 }
 355
 356 static list_window_t *
 357 lyrics_lw(void)
 358 {
 359   return lw;
 360 }
 361
 362 screen_functions_t *
 363 get_screen_lyrics(void)
 364 {
 365   static screen_functions_t functions;
 366
 367   memset(&functions, 0, sizeof(screen_functions_t));
 368   functions.init   = lyrics_init;
 369   functions.exit   = lyrics_exit;
 370   functions.open   = NULL;
 371   functions.close  = NULL;
 372   functions.resize = lyrics_resize;
 373   functions.paint  = lyrics_paint;
 374   functions.update = lyrics_update;
 375   functions.cmd    = lyrics_cmd;
 376   functions.get_lw = lyrics_lw;
 377   functions.get_title = lyrics_title;
 378
 379   return &functions;
 380 }
 381 #endif /* ENABLE_LYRICS_SCREEN */