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