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 int src_selection;
  47
  48 static void lyrics_paint(screen_t *screen, mpdclient_t *c);
  49
  50 static FILE *create_lyr_file(char *artist, char *title)
  51 {
  52         char path[1024];
  53
  54         snprintf(path, 1024, "%s/.lyrics",
  55                  getenv("HOME"));
  56         if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;
  57
  58         snprintf(path, 1024, "%s/.lyrics/%s",
  59                  getenv("HOME"), artist);
  60         if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;
  61
  62         snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
  63                  getenv("HOME"), artist, title);
  64
  65         return fopen(path, "w");
  66 }
  67
  68
  69 static int store_lyr_hd(void)
  70 {
  71         char artist[512];
  72         char title[512];
  73         static char path[1024];
  74         FILE *lyr_file;
  75         unsigned i;
  76         char line_buf[1024];
  77
  78         get_text_line(&lyr_text, 0, artist, 512);
  79         get_text_line(&lyr_text, 1, title, 512);
  80         artist[strlen(artist)-1] = '\0';
  81         title[strlen(title)-1] = '\0';
  82
  83         snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
  84                  getenv("HOME"), artist, title);
  85         lyr_file = create_lyr_file(artist, title);
  86         if (lyr_file == NULL)
  87                 return -1;
  88
  89         for (i = 3; i <= lyr_text.text->len; i++) {
  90                 if(get_text_line(&lyr_text, i, line_buf, 1024) == -1);
  91                 fputs(line_buf, lyr_file);
  92         }
  93
  94         fclose(lyr_file);
  95         return 0;
  96 }
  97
  98
  99 static void check_repaint(void)
 100 {
 101         if(screen_get_id("lyrics") == get_cur_mode_id())lyrics_paint(NULL, NULL);
 102 }
 103
 104
 105 static gpointer get_lyr(void *c)
 106 {
 107         mpd_Status *status = ((retrieval_spec*)c)->client->status;
 108         mpd_Song *cur = ((retrieval_spec*)c)->client->song;
 109         char artist[MAX_SONGNAME_LENGTH];
 110         char title[MAX_SONGNAME_LENGTH];
 111
 112         //mpdclient_update((mpdclient_t*)c);
 113
 114         if(!(IS_PAUSED(status->state)||IS_PLAYING(status->state))) {
 115                 formed_text_init(&lyr_text);
 116                 return NULL;
 117         }
 118
 119
 120         lock=2;
 121         result = 0;
 122
 123         formed_text_init(&lyr_text);
 124
 125         strfsong(artist, MAX_SONGNAME_LENGTH, "%artist%", cur);
 126         strfsong(title, MAX_SONGNAME_LENGTH, "%title%", cur);
 127
 128         //write header..
 129         formed_text_init(&lyr_text);
 130         add_text_line(&lyr_text, artist, 0);
 131         add_text_line(&lyr_text, title, 0);
 132         add_text_line(&lyr_text, "", 0);
 133         add_text_line(&lyr_text, "", 0);
 134
 135         if (((retrieval_spec*)c)->way != -1) /*till it'S of use*/ {
 136                 if(get_lyr_by_src (src_selection, artist, title) != 0) {
 137                         lock=0;
 138                         return NULL;
 139                 }
 140         }
 141         /*else{
 142           if(get_lyr_hd(artist, title) != 0)
 143           {
 144           if(get_lyr_hd(artist, title) != 0) return NULL;
 145           }
 146           else result |= 1;
 147           }*/
 148         //return NULL;
 149         lw->start = 0;
 150         check_repaint();
 151         lock = 1;
 152         return &lyr_text;
 153 }
 154
 155 static const char *
 156 list_callback(unsigned idx, int *highlight, mpd_unused void *data)
 157 {
 158         static char buf[512];
 159
 160         //i think i'ts fine to write it into the 1st line...
 161         if ((idx == lyr_text.lines->len && lyr_text.lines->len > 4) ||
 162             ((lyr_text.lines->len == 0 || lyr_text.lines->len == 4) &&
 163              idx == 0)) {
 164                 src_lyr* selected = g_array_index(src_lyr_stack, src_lyr*, src_selection);
 165                 *highlight=3;
 166                 if (selected != NULL)
 167                         return selected->description;
 168                 return "";
 169         }
 170
 171         if (idx < 2 && lyr_text.lines->len > 4)
 172                 *highlight=3;
 173         else if(idx >= lyr_text.lines->len ||
 174                 (idx < 4 && idx != 0 && lyr_text.lines->len < 5)) {
 175                 return "";
 176         }
 177
 178         get_text_line(&lyr_text, idx, buf, 512);
 179         return buf;
 180 }
 181
 182
 183 static void
 184 lyrics_init(WINDOW *w, int cols, int rows)
 185 {
 186         lw = list_window_init(w, cols, rows);
 187         lw->flags = LW_HIDE_CURSOR;
 188         //lyr_text.lines = g_array_new(FALSE, TRUE, 4);
 189         formed_text_init(&lyr_text);
 190         if (!g_thread_supported())
 191                 g_thread_init(NULL);
 192 }
 193
 194 static void
 195 lyrics_resize(int cols, int rows)
 196 {
 197         lw->cols = cols;
 198         lw->rows = rows;
 199 }
 200
 201 static void
 202 lyrics_exit(void)
 203 {
 204         list_window_free(lw);
 205 }
 206
 207
 208 static const char *
 209 lyrics_title(mpd_unused char *str, mpd_unused size_t size)
 210 {
 211         static GString *msg;
 212         if (msg == NULL)
 213                 msg = g_string_new ("");
 214         else g_string_erase (msg, 0, -1);
 215
 216         g_string_append (msg, "Lyrics  [");
 217
 218         if (src_selection > (int)src_lyr_stack->len - 1)
 219                 g_string_append (msg, "No plugin available");
 220         else {
 221                 src_lyr* selected =  g_array_index (src_lyr_stack, src_lyr*, src_selection);
 222                 if (selected != NULL)
 223                         g_string_append (msg, selected->name);
 224                 else
 225                         g_string_append (msg, "NONE");
 226         }
 227
 228         if(lyr_text.lines->len == 4) {
 229                 if(lock == 1) {
 230                         if(!(result & 1)) {
 231                                 g_string_append (msg, " - ");
 232                                 if(!(result & 2)) g_string_append (msg, _("No access"));
 233                                 else if(!(result & 4)||!(result & 16)) g_string_append (msg, _("Not found"));
 234                         }
 235                 }
 236                 if(lock == 2) {
 237                         g_string_append (msg, " - ");
 238                         g_string_append (msg, _("retrieving"));
 239                 }
 240         }
 241
 242         g_string_append_c (msg, ']');
 243
 244         return msg->str;
 245 }
 246
 247 static void
 248 lyrics_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 249 {
 250         lw->clear = 1;
 251         list_window_paint(lw, list_callback, NULL);
 252         wrefresh(lw->w);
 253 }
 254
 255
 256 static void
 257 lyrics_update(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 258 {
 259         if( lw->repaint ) {
 260                 list_window_paint(lw, list_callback, NULL);
 261                 wrefresh(lw->w);
 262                 lw->repaint = 0;
 263         }
 264 }
 265
 266
 267 static int
 268 lyrics_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 269 {
 270         static retrieval_spec spec;
 271
 272         lw->repaint=1;
 273         switch(cmd) {
 274         case CMD_LIST_NEXT:
 275                 if( lw->start+lw->rows < lyr_text.lines->len+1 )
 276                         lw->start++;
 277                 return 1;
 278         case CMD_LIST_PREVIOUS:
 279                 if( lw->start >0 )
 280                         lw->start--;
 281                 return 1;
 282         case CMD_LIST_FIRST:
 283                 lw->start = 0;
 284                 return 1;
 285         case CMD_LIST_LAST:
 286                 if ((unsigned)lyrics_text_rows > lw->rows)
 287                         lw->start = lyrics_text_rows - lw->rows;
 288                 else
 289                         lw->start = 0;
 290                 return 1;
 291         case CMD_LIST_NEXT_PAGE:
 292                 lw->start = lw->start + lw->rows - 1;
 293                 if (lw->start + lw->rows >= (unsigned)lyrics_text_rows + 1) {
 294                         if ((unsigned)lyrics_text_rows + 1 > lw->rows)
 295                                 lw->start = lyrics_text_rows + 1 - lw->rows;
 296                         else
 297                                 lw->start = 0;
 298                 }
 299                 return 1;
 300         case CMD_LIST_PREVIOUS_PAGE:
 301                 if (lw->start > lw->rows)
 302                         lw->start -= lw->rows;
 303                 else
 304                         lw->start = 0;
 305                 return 1;
 306         case CMD_SELECT:
 307                 spec.client = c;
 308                 spec.way = 0;
 309                 g_thread_create(get_lyr, &spec, FALSE, NULL);
 310                 return 1;
 311         case CMD_INTERRUPT:
 312                 if(lock > 1) lock = 4;
 313                 return 1;
 314         case CMD_ADD:
 315                 if(lock > 0 && lock != 4) {
 316                         if(store_lyr_hd() == 0)
 317                                 screen_status_message (_("Lyrics saved!"));
 318                 }
 319                 return 1;
 320         case CMD_LYRICS_UPDATE:
 321                 spec.client = c;
 322                 spec.way = 1;
 323                 g_thread_create(get_lyr, &spec, FALSE, NULL);
 324                 return 1;
 325         case CMD_SEARCH_MODE:
 326                 //while (0==0) fprintf (stderr, "%i", src_lyr_stack->len);
 327                 if (src_selection == (int)src_lyr_stack->len - 1)
 328                         src_selection = -1;
 329                 src_selection++;
 330                 return 1;
 331         default:
 332                 break;
 333         }
 334
 335         lw->selected = lw->start+lw->rows;
 336         if (screen_find(screen,
 337                         lw,  lyrics_text_rows,
 338                         cmd, list_callback, NULL)) {
 339                 /* center the row */
 340                 lw->start = lw->selected - (lw->rows / 2);
 341                 if (lw->start + lw->rows > (unsigned)lyrics_text_rows) {
 342                         if (lw->rows < (unsigned)lyrics_text_rows)
 343                                 lw->start = lyrics_text_rows - lw->rows;
 344                         else
 345                                 lw->start = 0;
 346                 }
 347                 return 1;
 348         }
 349
 350         return 0;
 351 }
 352
 353 static list_window_t *
 354 lyrics_lw(void)
 355 {
 356   return lw;
 357 }
 358
 359 screen_functions_t *
 360 get_screen_lyrics(void)
 361 {
 362   static screen_functions_t functions;
 363
 364   memset(&functions, 0, sizeof(screen_functions_t));
 365   functions.init   = lyrics_init;
 366   functions.exit   = lyrics_exit;
 367   functions.open   = NULL;
 368   functions.close  = NULL;
 369   functions.resize = lyrics_resize;
 370   functions.paint  = lyrics_paint;
 371   functions.update = lyrics_update;
 372   functions.cmd    = lyrics_cmd;
 373   functions.get_lw = lyrics_lw;
 374   functions.get_title = lyrics_title;
 375
 376   return &functions;
 377 }
 378 #endif /* ENABLE_LYRICS_SCREEN */