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                 fputs(line_buf, lyr_file);
  94         }
  95
  96         fclose(lyr_file);
  97         return 0;
  98 }
  99
 100
 101 static void check_repaint(void)
 102 {
 103         if(screen_get_id("lyrics") == get_cur_mode_id())lyrics_paint(NULL, NULL);
 104 }
 105
 106
 107 static gpointer get_lyr(void *c)
 108 {
 109         mpd_Status *status = ((retrieval_spec*)c)->client->status;
 110         mpd_Song *cur = ((retrieval_spec*)c)->client->song;
 111         char artist[MAX_SONGNAME_LENGTH];
 112         char title[MAX_SONGNAME_LENGTH];
 113
 114         //mpdclient_update((mpdclient_t*)c);
 115
 116         if(!(IS_PAUSED(status->state)||IS_PLAYING(status->state))) {
 117                 formed_text_init(&lyr_text);
 118                 return NULL;
 119         }
 120
 121
 122         lock=2;
 123         result = 0;
 124
 125         formed_text_init(&lyr_text);
 126
 127         strfsong(artist, MAX_SONGNAME_LENGTH, "%artist%", cur);
 128         strfsong(title, MAX_SONGNAME_LENGTH, "%title%", cur);
 129
 130         //write header..
 131         formed_text_init(&lyr_text);
 132         add_text_line(&lyr_text, artist, 0);
 133         add_text_line(&lyr_text, title, 0);
 134         add_text_line(&lyr_text, "", 0);
 135         add_text_line(&lyr_text, "", 0);
 136
 137         if (((retrieval_spec*)c)->way != -1) /*till it'S of use*/ {
 138                 if(get_lyr_by_src (src_selection, artist, title) != 0) {
 139                         lock=0;
 140                         return NULL;
 141                 }
 142         }
 143         /*else{
 144           if(get_lyr_hd(artist, title) != 0)
 145           {
 146           if(get_lyr_hd(artist, title) != 0) return NULL;
 147           }
 148           else result |= 1;
 149           }*/
 150         //return NULL;
 151         lw->start = 0;
 152         check_repaint();
 153         lock = 1;
 154         return &lyr_text;
 155 }
 156
 157 static const char *
 158 list_callback(unsigned idx, int *highlight, mpd_unused void *data)
 159 {
 160         static char buf[512];
 161
 162         //i think i'ts fine to write it into the 1st line...
 163         if ((idx == lyr_text.lines->len && lyr_text.lines->len > 4) ||
 164             ((lyr_text.lines->len == 0 || lyr_text.lines->len == 4) &&
 165              idx == 0)) {
 166                 src_lyr* selected = g_array_index(src_lyr_stack, src_lyr*, src_selection);
 167                 *highlight=3;
 168                 if (selected != NULL)
 169                         return selected->description;
 170                 return "";
 171         }
 172
 173         if (idx < 2 && lyr_text.lines->len > 4)
 174                 *highlight=3;
 175         else if(idx >= lyr_text.lines->len ||
 176                 (idx < 4 && idx != 0 && lyr_text.lines->len < 5)) {
 177                 return "";
 178         }
 179
 180         get_text_line(&lyr_text, idx, buf, 512);
 181         return buf;
 182 }
 183
 184
 185 static void
 186 lyrics_init(WINDOW *w, int cols, int rows)
 187 {
 188         lw = list_window_init(w, cols, rows);
 189         lw->flags = LW_HIDE_CURSOR;
 190         //lyr_text.lines = g_array_new(FALSE, TRUE, 4);
 191         formed_text_init(&lyr_text);
 192         if (!g_thread_supported())
 193                 g_thread_init(NULL);
 194 }
 195
 196 static void
 197 lyrics_resize(int cols, int rows)
 198 {
 199         lw->cols = cols;
 200         lw->rows = rows;
 201 }
 202
 203 static void
 204 lyrics_exit(void)
 205 {
 206         list_window_free(lw);
 207 }
 208
 209
 210 static const char *
 211 lyrics_title(mpd_unused char *str, mpd_unused size_t size)
 212 {
 213         static GString *msg;
 214         if (msg == NULL)
 215                 msg = g_string_new ("");
 216         else g_string_erase (msg, 0, -1);
 217
 218         g_string_append (msg, "Lyrics  [");
 219
 220         if (src_selection > (int)src_lyr_stack->len - 1)
 221                 g_string_append (msg, "No plugin available");
 222         else {
 223                 src_lyr* selected =  g_array_index (src_lyr_stack, src_lyr*, src_selection);
 224                 if (selected != NULL)
 225                         g_string_append (msg, selected->name);
 226                 else
 227                         g_string_append (msg, "NONE");
 228         }
 229
 230         if(lyr_text.lines->len == 4) {
 231                 if(lock == 1) {
 232                         if(!(result & 1)) {
 233                                 g_string_append (msg, " - ");
 234                                 if(!(result & 2)) g_string_append (msg, _("No access"));
 235                                 else if(!(result & 4)||!(result & 16)) g_string_append (msg, _("Not found"));
 236                         }
 237                 }
 238                 if(lock == 2) {
 239                         g_string_append (msg, " - ");
 240                         g_string_append (msg, _("retrieving"));
 241                 }
 242         }
 243
 244         g_string_append_c (msg, ']');
 245
 246         return msg->str;
 247 }
 248
 249 static void
 250 lyrics_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 251 {
 252         lw->clear = 1;
 253         list_window_paint(lw, list_callback, NULL);
 254         wrefresh(lw->w);
 255 }
 256
 257
 258 static void
 259 lyrics_update(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
 260 {
 261         if( lw->repaint ) {
 262                 list_window_paint(lw, list_callback, NULL);
 263                 wrefresh(lw->w);
 264                 lw->repaint = 0;
 265         }
 266 }
 267
 268
 269 static int
 270 lyrics_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 271 {
 272         static retrieval_spec spec;
 273
 274         lw->repaint=1;
 275         switch(cmd) {
 276         case CMD_LIST_NEXT:
 277                 if( lw->start+lw->rows < lyr_text.lines->len+1 )
 278                         lw->start++;
 279                 return 1;
 280         case CMD_LIST_PREVIOUS:
 281                 if( lw->start >0 )
 282                         lw->start--;
 283                 return 1;
 284         case CMD_LIST_FIRST:
 285                 lw->start = 0;
 286                 return 1;
 287         case CMD_LIST_LAST:
 288                 if ((unsigned)lyrics_text_rows > lw->rows)
 289                         lw->start = lyrics_text_rows - lw->rows;
 290                 else
 291                         lw->start = 0;
 292                 return 1;
 293         case CMD_LIST_NEXT_PAGE:
 294                 lw->start = lw->start + lw->rows - 1;
 295                 if (lw->start + lw->rows >= (unsigned)lyrics_text_rows + 1) {
 296                         if ((unsigned)lyrics_text_rows + 1 > lw->rows)
 297                                 lw->start = lyrics_text_rows + 1 - lw->rows;
 298                         else
 299                                 lw->start = 0;
 300                 }
 301                 return 1;
 302         case CMD_LIST_PREVIOUS_PAGE:
 303                 if (lw->start > lw->rows)
 304                         lw->start -= lw->rows;
 305                 else
 306                         lw->start = 0;
 307                 return 1;
 308         case CMD_SELECT:
 309                 spec.client = c;
 310                 spec.way = 0;
 311                 g_thread_create(get_lyr, &spec, FALSE, NULL);
 312                 return 1;
 313         case CMD_INTERRUPT:
 314                 if(lock > 1) lock = 4;
 315                 return 1;
 316         case CMD_ADD:
 317                 if(lock > 0 && lock != 4) {
 318                         if(store_lyr_hd() == 0)
 319                                 screen_status_message (_("Lyrics saved!"));
 320                 }
 321                 return 1;
 322         case CMD_LYRICS_UPDATE:
 323                 spec.client = c;
 324                 spec.way = 1;
 325                 g_thread_create(get_lyr, &spec, FALSE, NULL);
 326                 return 1;
 327         case CMD_SEARCH_MODE:
 328                 //while (0==0) fprintf (stderr, "%i", src_lyr_stack->len);
 329                 if (src_selection == (int)src_lyr_stack->len - 1)
 330                         src_selection = -1;
 331                 src_selection++;
 332                 return 1;
 333         default:
 334                 break;
 335         }
 336
 337         lw->selected = lw->start+lw->rows;
 338         if (screen_find(screen,
 339                         lw,  lyrics_text_rows,
 340                         cmd, list_callback, NULL)) {
 341                 /* center the row */
 342                 lw->start = lw->selected - (lw->rows / 2);
 343                 if (lw->start + lw->rows > (unsigned)lyrics_text_rows) {
 344                         if (lw->rows < (unsigned)lyrics_text_rows)
 345                                 lw->start = lyrics_text_rows - lw->rows;
 346                         else
 347                                 lw->start = 0;
 348                 }
 349                 return 1;
 350         }
 351
 352         return 0;
 353 }
 354
 355 static list_window_t *
 356 lyrics_lw(void)
 357 {
 358   return lw;
 359 }
 360
 361 screen_functions_t *
 362 get_screen_lyrics(void)
 363 {
 364   static screen_functions_t functions;
 365
 366   memset(&functions, 0, sizeof(screen_functions_t));
 367   functions.init   = lyrics_init;
 368   functions.exit   = lyrics_exit;
 369   functions.open   = NULL;
 370   functions.close  = NULL;
 371   functions.resize = lyrics_resize;
 372   functions.paint  = lyrics_paint;
 373   functions.update = lyrics_update;
 374   functions.cmd    = lyrics_cmd;
 375   functions.get_lw = lyrics_lw;
 376   functions.get_title = lyrics_title;
 377
 378   return &functions;
 379 }
 380 #endif /* ENABLE_LYRICS_SCREEN */