Code

include cleanup
[ncmpc.git] / src / screen_lyrics.c
index 106d439b7f4a44aa2159ff1b865377c07d82c78e..2dd5e12b76ab43828fbab40f2acb66e4f1ecc991 100644 (file)
@@ -3,8 +3,6 @@
  *     
  * (c) 2006 by Kalle Wallin <kaw@linux.se>
  * Tue Aug  1 23:17:38 2006
- * lyrics enhancement written by Andreas Obergrusberger <tradiaz@yahoo.de> 
- * using www.leoslyrics.com XML API
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  *
  */
 
-#define _GNU_SOURCE
-#include <stdlib.h>
-#include <string.h>
-#include <glib.h>
-#include <ncurses.h>
-#include <expat.h>
-#include <unistd.h>
-#include <glib/gstdio.h>
-#include <stdio.h>
-
 #include "config.h"
 #ifndef DISABLE_LYRICS_SCREEN
 #include <sys/stat.h>
 #include "screen_utils.h"
 #include "easy_download.h"
 #include "strfsong.h"
+#include "src_lyrics.h"
 
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <ncurses.h>
+#include <expat.h>
+#include <unistd.h>
+#include <glib/gstdio.h>
+#include <stdio.h>
 
-#define LEOSLYRICS_SEARCH_URL "http://api.leoslyrics.com/api_search.php?auth=ncmpc&artist=%s&songtitle=%s"
-#define LEOSLYRICS_CONTENT_URL "http://api.leoslyrics.com/api_lyrics.php?auth=ncmpc&hid=%s"
+int src_selection;
 
-#define CREDITS "Lyrics provided by www.LeosLyrics.com"
+static void lyrics_paint(screen_t *screen, mpdclient_t *c);
 
-typedef struct _formed_text
+static FILE *create_lyr_file(char *artist, char *title)
 {
-    GString *text;
-    GArray *lines;
-       int val;
-} formed_text;
+       char path[1024];
 
-typedef struct _retrieval_spec
-{
-    mpdclient_t *client;
-    int way;
-} retrieval_spec;
+       snprintf(path, 1024, "%s/.lyrics",
+                getenv("HOME"));
+       if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;
 
-typedef struct _lyrics
-{
-  int header_len;
-  
-  guint8 result
-  char *hid;
-  GTimer *dltime;
-
-  XML_Parser parser;
-  XML_Parser contentp;
-
-  formed_text content;
-
-} lyrics;
-
-XML_Parser parser, contentp;
-static int lyrics_text_rows = -1;
-static list_window_t *lw = NULL;
-short int lock;
-/* result is a bitset in which the succes when searching 4 lyrics is logged
-countend by position - backwards
-0: lyrics in database
-1: proper access  to the lyrics provider
-2: lyrics found
-3: exact match
-4: lyrics downloaded
-5: lyrics saved
-wasting 3 bits doesn't mean being a fat memory hog like kde.... does it?
-*/
-static void lyrics_paint(screen_t *screen, mpdclient_t *c);
+       snprintf(path, 1024, "%s/.lyrics/%s",
+                getenv("HOME"), artist);
+       if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;
 
-int get_text_line(formed_text *text, int num, char *dest, int len)
-{
-       memset(dest, '\0', len*sizeof(char));
-    if(num >= text->lines->len-1) return -1;   
-       int linelen;
-       if(num == 0)
-       {
-               linelen = g_array_index(text->lines, int, num);
-               memcpy(dest, text->text->str, linelen*sizeof(char));    
-       }
-       else if(num == 1)
-       { //dont ask me why, but this is needed....
-               linelen = g_array_index(text->lines, int, num)
-                       - g_array_index(text->lines, int, num-1);
-               memcpy(dest, &text->text->str[g_array_index(text->lines, int, num-1)],
-               linelen*sizeof(char));  
-       }       
-       else
-       {
-               linelen = g_array_index(text->lines, int, num+1)
-                       - g_array_index(text->lines, int, num);
-               memcpy(dest, &text->text->str[g_array_index(text->lines, int, num)],
-               linelen*sizeof(char));  
-       }
-       dest[linelen] = '\n';
-       dest[linelen+1] = '\0';
-       
-       return 0;
-}
-       
-void add_text_line(formed_text *dest, const char *src, int len)
-{
-       // need this because g_array_append_val doesnt work with literals
-       // and expat sends "\n" as an extra line everytime
-       if(len == 0)
-       {
-               dest->val = strlen(src);
-               if(dest->lines->len > 0) dest->val += g_array_index(dest->lines, int,
-                                                                       dest->lines->len-1);
-               g_string_append(dest->text, src);
-               g_array_append_val(dest->lines, dest->val);
-               return;
-       }
-       if(len > 1 || dest->val == 0) 
-       {
-               dest->val = len;        
-               if(dest->lines->len > 0) dest->val += g_array_index(dest->lines, int,
-                                                                       dest->lines->len-1);
-       }
-       else if (len == 1 && dest->val != 0) dest->val = 0;
-                               
-       if(dest->val > 0)
-       { 
-               g_string_append_len(dest->text, src, len);
-               g_array_append_val(dest->lines, dest->val);
-       }
+       snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
+                getenv("HOME"), artist, title);
+
+       return fopen(path, "w");
 }
 
-void formed_text_init(formed_text *text)
+
+static int store_lyr_hd(void)
 {
-       if(text->text != NULL) g_string_free(text->text, TRUE); 
-       text->text = g_string_new("");
-       
-       if(text->lines != NULL) g_array_free(text->lines, TRUE);
-       text->lines = g_array_new(FALSE, TRUE, 4);
-       
-       text->val = 0;
-}
+       char artist[512];
+       char title[512];
+       static char path[1024];
+       FILE *lyr_file;
+
+       get_text_line(&lyr_text, 0, artist, 512);
+       get_text_line(&lyr_text, 1, title, 512);
+       artist[strlen(artist)-1] = '\0';
+       title[strlen(title)-1] = '\0';
+
+       snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
+                getenv("HOME"), artist, title);
+       lyr_file = create_lyr_file(artist, title);
+       if (lyr_file == NULL)
+               return -1;
 
-static void check_content(void *data, const char *name, const char **atts)
-{ 
-       if(strstr(name, "text") != NULL)
-       {
+       int i;
+       char line_buf[1024];
 
-               lyrics.result |= 16;
+       for (i = 3; i <= lyr_text.text->len; i++) {
+               if(get_text_line(&lyr_text, i, line_buf, 1024) == -1);
+               fputs(line_buf, lyr_file);
        }
-}
-       
 
-static void check_search_response(void *data, const char *name,
-                const char **atts)
-{
-       if(strstr(name, "response") != NULL)
-       {
-       lyrics.result |=2;
-       return;
-       }  
-       
-       if(lyrics.result & 4)
-       {
-               if(strstr(name, "lyrics.result") != NULL)
-               {
-                       if(strstr(atts[2], "hid") != NULL)
-                       {
-                               lyrics.hid = atts[3];
-                       }
-       
-                       if(strstr(atts[2], "exactMatch") != NULL)
-                       {
-                               lyrics.result |= 8;
-                       }                       
-               }
-       }
-                       
+       fclose(lyr_file);
+       return 0;
 }
 
-static void end_tag(void *data, const char *name)
+
+static void check_repaint(void)
 {
-  //hmmmmmm            
+        if(screen_get_id("lyrics") == get_cur_mode_id())lyrics_paint(NULL, NULL);
 }
 
-  static void check_search_success(void *userData, const XML_Char *s, int len)
-    {
-       if(lyrics.result & 2)   //lets first check whether we're right
-       {               //we don't really want to search in the wrong string
-               if(strstr((char*) s, "SUCCESS"))
-               {
-               lyrics.result |=4;
-               }
-       }       
-    }
 
-static void 
-fetch_text(void *userData, const XML_Char *s, int len) 
+static gpointer get_lyr(void *c)
 {
-       if(lyrics.result & 16)
-       {
-               add_text_line(&lyrics.content, s, len); 
-       }
-}
+       mpd_Status *status = ((retrieval_spec*)c)->client->status;
+       mpd_Song *cur = ((retrieval_spec*)c)->client->song;
+       //mpdclient_update((mpdclient_t*)c);
 
-int 
-check_dl_progress(void *clientp, double dltotal, double dlnow,
-                        double ultotal, double ulnow)
-{
-       if(g_timer_elapsed(lyrics.dltime, NULL) >= options.lyrics_timeout || lock == 4)
-       {       
-               formed_text_init(&lyrics.content);
-               return -1;
+       if(!(IS_PAUSED(status->state)||IS_PLAYING(status->state))) {
+               formed_text_init(&lyr_text);
+               return NULL;
        }
 
-       return 0;
-}      
-
 
-int 
-check_lyr_http(char *artist, char *title, char *url)
-{
-        char url_avail[256];
-
-       //this replacess the whitespaces with '+'
-       g_strdelimit(artist, " ", '+');
-       g_strdelimit(title, " ", '+');
-       
-       //we insert the artist and the title into the url               
-       snprintf(url_avail, 512, LEOSLYRICS_SEARCH_URL, artist, title);
-
-       //download that xml!
-       easy_download_struct lyr_avail = {NULL, 0,-1};  
-       
-       g_timer_start(lyrics.dltime);
-       if(!easy_download(url_avail, &lyr_avail, check_dl_progress)) return -1;
-       g_timer_stop(lyrics.dltime);
-
-       //we gotta parse that stuff with expat
-       parser = XML_ParserCreate(NULL);
-       XML_SetUserData(parser, NULL);
-       
-       XML_SetElementHandler(parser, check_search_response, end_tag);
-       XML_SetCharacterDataHandler(parser, check_search_success);
-       XML_Parse(parser, lyr_avail.data, strlen(lyr_avail.data), 0);   
-       XML_ParserFree(parser); 
-
-       if(!(lyrics.result & 4)) return -1; //check whether lyrics found
-       snprintf(url, 512, LEOSLYRICS_CONTENT_URL, lyrics.hid);
+       char artist[MAX_SONGNAME_LENGTH];
+       char title[MAX_SONGNAME_LENGTH];
+       lock=2;
+       result = 0;
 
-       return 0;
-}
-int get_lyr_http(char *artist, char *title)
-{
-       char url_hid[256];
-       if(lyrics.dltime == NULL) lyrics.dltime = g_timer_new();
-
-       if(check_lyr_http(artist, title, url_hid) != 0) return -1;
-       
-       easy_download_struct lyr_content = {NULL, 0,-1};  
-       g_timer_continue(lyrics.dltime);                
-       if(!(easy_download(url_hid, &lyr_content, check_dl_progress))) return -1;
-       g_timer_stop(lyrics.dltime);
-       
-       contentp = XML_ParserCreate(NULL);
-       XML_SetUserData(contentp, NULL);
-       XML_SetElementHandler(contentp, check_content, end_tag);        
-       XML_SetCharacterDataHandler(contentp, fetch_text);
-       XML_Parse(contentp, lyr_content.data, strlen(lyr_content.data), 0);
-       XML_ParserFree(contentp);
+       formed_text_init(&lyr_text);
 
-       return 0;
-       
-}
-FILE *create_lyr_file(char *artist, char *title)
-{
-    char path[1024];
-
-    snprintf(path, 1024, "%s/.lyrics", 
-               getenv("HOME"));
-    if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;
-       
-    snprintf(path, 1024, "%s/.lyrics/%s", 
-               getenv("HOME"), artist);
-
-    if(g_access(path, W_OK) != 0) if(mkdir(path, S_IRWXU) != 0) return NULL;   
-       
-    snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric", 
-               getenv("HOME"), artist, title);
-
-    return fopen(path, "w");
-}      
-
-char *check_lyr_hd(char *artist, char *title, int how)
-{ //checking whether for lyrics file existence and proper access
-    static char path[1024];
-    snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric", 
-               getenv("HOME"), artist, title);
-    
-    if(g_access(path, how) != 0) return NULL;
-                
-    return path;
-}              
-
-
-int get_lyr_hd(char *artist, char *title)
-{
-    char *path = check_lyr_hd(artist, title, R_OK);
-    if(path == NULL) return -1;
-       
-    FILE *lyr_file;    
-    lyr_file = fopen(path, "r");
-    if(lyr_file == NULL) return -1;
-       
-    char *buf = NULL;
-    char **line = &buf;
-    size_t n = 0;
-       
-    while(1)
-    {
-        n = getline(line, &n, lyr_file); 
-        if( n < 1 || *line == NULL || feof(lyr_file) != 0 ) return 0;
-        add_text_line(&lyrics.content, *line, n);
-        free(*line);
-        *line = NULL; n = 0;
-    }
-       
-    return 0;
-}      
-    
-int store_lyr_hd()
-{
-    char artist[512];
-    char title[512];
-    static char path[1024];
-    FILE *lyr_file;
-       
-    get_text_line(&lyrics.content, 0, artist, 512);
-    get_text_line(&lyrics.content, 1, title, 512);
-    artist[strlen(artist)-1] = '\0';
-    title[strlen(title)-1] = '\0';
-       
-    snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric", 
-                       getenv("HOME"), artist, title);
-    lyr_file = create_lyr_file(artist, title);
-    if(lyr_file == NULL) return -1;
-    int i;
-    char line_buf[1024];
-       
-     for(i = 3; i <= lyrics.content.text->len; i++)
-     {
-         if(get_text_line(&lyrics.content, i, line_buf, 1024) == -1);
-         fputs(line_buf, lyr_file);
-     }
-     fclose(lyr_file);
-     return 0;
-}
-                               
-       
-void check_repaint()
-{
-    if(screen_get_id("lyrics") == get_cur_mode_id())lyrics_paint(NULL, NULL);
-}
+       strfsong(artist, MAX_SONGNAME_LENGTH, "%artist%", cur);
+       strfsong(title, MAX_SONGNAME_LENGTH, "%title%", cur);
 
+       //write header..
+       formed_text_init(&lyr_text);
+       add_text_line(&lyr_text, artist, 0);
+       add_text_line(&lyr_text, title, 0);
+       add_text_line(&lyr_text, "", 0);
+       add_text_line(&lyr_text, "", 0);
 
-gpointer get_lyr(void *c)
-{
-    mpd_Status *status = ((retrieval_spec*)c)->client->status;
-    mpd_Song *cur = ((retrieval_spec*)c)->client->song; 
-    //mpdclient_update((mpdclient_t*)c);
-       
-    if(!(IS_PAUSED(status->state)||IS_PLAYING(status->state)))
-    {
-               formed_text_init(&lyrics.content);                      
-               return NULL;
-    }
-       
-
-    char artist[MAX_SONGNAME_LENGTH];
-    char title[MAX_SONGNAME_LENGTH];
-    lock = 2;
-    lyrics.result = 0;
-       
-    formed_text_init(&lyrics.content);
-       
-    strfsong(artist, MAX_SONGNAME_LENGTH, "%artist%", cur);
-    strfsong(title, MAX_SONGNAME_LENGTH, "%title%", cur);
-       
-    //write header..
-    formed_text_init(&lyrics.content);
-    add_text_line(&lyrics.content, artist, 0);
-    add_text_line(&lyrics.content, title, 0);
-    add_text_line(&lyrics.content, "", 0);
-    add_text_line(&lyrics.content, "", 0);
-       
-    if (((retrieval_spec*)c)->way == 1)
-    {
-                if(get_lyr_http(artist, title) != 0) return NULL;
-    }
-    else{
-            if(get_lyr_hd(artist, title) != 0) 
-                   {
-               if(get_lyr_http(artist, title) != 0) return NULL;
-           }
-           else lyrics.result |= 1;
+       if (((retrieval_spec*)c)->way != -1) /*till it'S of use*/ {
+               if(get_lyr_by_src (src_selection, artist, title) != 0) {
+                       lock=0;
+                       return NULL;
+               }
        }
-       
-    lw->start = 0;
-    check_repaint();
-    lock = 1;
-    return &lyrics.content;
-}      
-
-static char *
+       /*else{
+         if(get_lyr_hd(artist, title) != 0)
+         {
+         if(get_lyr_hd(artist, title) != 0) return NULL;
+         }
+         else result |= 1;
+         }*/
+       //return NULL;
+       lw->start = 0;
+       check_repaint();
+       lock = 1;
+       return &lyr_text;
+}
+
+static const char *
 list_callback(int index, int *highlight, void *data)
 {
-    static char buf[512];
-       
-    //i think i'ts fine to write it into the 1st line...
-    if((index == lyrics.content.lines->len && lyrics.content.lines->len > 4)||
-         ((lyrics.content.lines->len == 0 
-         ||lyrics.content.lines->len == 4) && index == 0))
-    {
-        *highlight=3; 
-        return CREDITS;
-    }
-    
-    if(index < 2 && lyrics.content.lines->len > 4) *highlight=3;
-    else if(index >=  lyrics.content.lines->len ||
-          ( index < 4 && index != 0 && lyrics.content.lines->len < 5))
-    {
-        return "";
-    }
-    get_text_line(&lyrics.content, index, buf, 512);
-    return buf;
-} 
+       static char buf[512];
+
+       //i think i'ts fine to write it into the 1st line...
+       if ((index == lyr_text.lines->len && lyr_text.lines->len > 4) ||
+           ((lyr_text.lines->len == 0 || lyr_text.lines->len == 4) &&
+            index == 0)) {
+               *highlight=3;
+               src_lyr* selected = g_array_index(src_lyr_stack, src_lyr*, src_selection);
+               if (selected != NULL)
+                       return selected->description;
+               return "";
+       }
+
+       if (index < 2 && lyr_text.lines->len > 4)
+               *highlight=3;
+       else if(index >= lyr_text.lines->len ||
+               (index < 4 && index != 0 && lyr_text.lines->len < 5)) {
+               return "";
+       }
+
+       get_text_line(&lyr_text, index, buf, 512);
+       return buf;
+}
 
 
 static void
 lyrics_init(WINDOW *w, int cols, int rows)
 {
-    lw = list_window_init(w, cols, rows);
-    lw->flags = LW_HIDE_CURSOR;
-    //lyrics.content.lines = g_array_new(FALSE, TRUE, 4);
-    formed_text_init(&lyrics.content);
-    if (!g_thread_supported()) g_thread_init(NULL);
-  
+       lw = list_window_init(w, cols, rows);
+       lw->flags = LW_HIDE_CURSOR;
+       //lyr_text.lines = g_array_new(FALSE, TRUE, 4);
+       formed_text_init(&lyr_text);
+       if (!g_thread_supported())
+               g_thread_init(NULL);
 }
 
 static void
 lyrics_resize(int cols, int rows)
 {
-    lw->cols = cols;
-    lw->rows = rows;
+       lw->cols = cols;
+       lw->rows = rows;
 }
 
 static void
 lyrics_exit(void)
 {
-    list_window_free(lw);
+       list_window_free(lw);
 }
 
 
-static char *
+static const char *
 lyrics_title(char *str, size_t size)
 {
-    if(lyrics.content.lines->len == 4)
-    {
-       if(lock == 1)
-       {
-               if(!(lyrics.result & 1))
-               {
-                       if(!(lyrics.result & 2)) return _("Lyrics  [No connection]");
-                       if(!(lyrics.result & 4)) return _("Lyrics  [Not found]"); 
-               }
-       }
-       if(lock == 2) return _("Lyrics  [retrieving]");
-    }
-    /*if(lyrics.content.lines->len > 2) 
-    {
-       static char buf[512];
-       char artist[512];
-       char title[512];
-               get_text_line(&lyrics.content, 0, artist, 512);
-               get_text_line(&lyrics.content, 1, artist, 512);
-               snprintf(buf, 512, "Lyrics  %s - %s", artist, title);
-               return buf;
-    }*/
-    return "Lyrics";
+       static GString *msg;
+       if (msg == NULL)
+               msg = g_string_new ("");
+       else g_string_erase (msg, 0, -1);
+
+       g_string_append (msg, "Lyrics  [");
+
+       if (src_selection > src_lyr_stack->len - 1)
+               g_string_append (msg, "No plugin available");
+       else {
+               src_lyr* selected =  g_array_index (src_lyr_stack, src_lyr*, src_selection);
+               if (selected != NULL)
+                       g_string_append (msg, selected->name);
+               else
+                       g_string_append (msg, "NONE");
+       }
+
+       if(lyr_text.lines->len == 4) {
+               if(lock == 1) {
+                       if(!(result & 1)) {
+                               g_string_append (msg, " - ");
+                               if(!(result & 2)) g_string_append (msg, _("No access"));
+                               else if(!(result & 4)||!(result & 16)) g_string_append (msg, _("Not found"));
+                       }
+               }
+               if(lock == 2) {
+                       g_string_append (msg, " - ");
+                       g_string_append (msg, _("retrieving"));
+               }
+       }
+
+       g_string_append_c (msg, ']');
+
+       return msg->str;
 }
 
-static void 
+static void
 lyrics_paint(screen_t *screen, mpdclient_t *c)
 {
-  lw->clear = 1;
-  list_window_paint(lw, list_callback, NULL);
-  wrefresh(lw->w);
+       lw->clear = 1;
+       list_window_paint(lw, list_callback, NULL);
+       wrefresh(lw->w);
 }
 
-static void 
+
+static void
 lyrics_update(screen_t *screen, mpdclient_t *c)
-{  
-    if( lw->repaint )
-     {
-        list_window_paint(lw, list_callback, NULL);
-        wrefresh(lw->w);
-        lw->repaint = 0;
-     }
+{
+       if( lw->repaint ) {
+               list_window_paint(lw, list_callback, NULL);
+               wrefresh(lw->w);
+               lw->repaint = 0;
+       }
 }
 
 
-static int 
+static int
 lyrics_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
 {
-    lw->repaint=1;
-    static retrieval_spec spec;
-    switch(cmd)
-    {
-    case CMD_LIST_NEXT:
-      if( lw->start+lw->rows < lyrics.content.lines->len+1 )
-       lw->start++;
-      return 1;
-    case CMD_LIST_PREVIOUS:
-      if( lw->start >0 )
-       lw->start--;
-      return 1;
-    case CMD_LIST_FIRST:
-      lw->start = 0;
-      return 1;
-    case CMD_LIST_LAST:
-      lw->start = lyrics_text_rows-lw->rows;
-      if( lw->start<0 )
-       lw->start = 0;
-      return 1;
-    case CMD_LIST_NEXT_PAGE:
-      lw->start = lw->start + lw->rows-1;
-      if( lw->start+lw->rows >= lyrics.content.lines->len+1 )
-       lw->start = lyrics.content.lines->len-lw->rows+1;
-      if( lw->start<0 )
-       lw->start = 0;
-       return 1;
-    case CMD_LIST_PREVIOUS_PAGE:
-      lw->start = lw->start - lw->rows;
-      if( lw->start<0 )
-       lw->start = 0;
-       return 1;
-    case CMD_SELECT:
-      spec.client = c;
-      spec.way = 0;
-      g_thread_create(get_lyr, &spec, FALSE, NULL);    
-       return 1;
-    case CMD_INTERRUPT:
-       if(lock > 1) lock = 4;
-       return 1;       
-    case CMD_ADD:
-       if(lock > 0 && lock != 4)
-       {
-                if(store_lyr_hd() == 0) screen_status_message (_("Lyrics saved!"));
-       }
-       return 1;
-    case CMD_LYRICS_UPDATE:
-        spec.client = c;
-        spec.way = 1;
-        g_thread_create(get_lyr, &spec, FALSE, NULL);
-      
-    default:
-      break;
-    }
-
-  lw->selected = lw->start+lw->rows;
-  if( screen_find(screen, c, 
-                 lw,  lyrics_text_rows,
-                 cmd, list_callback, NULL) )
-    {
-      /* center the row */
-      lw->start = lw->selected-(lw->rows/2);
-      if( lw->start+lw->rows > lyrics_text_rows )
-       lw->start = lyrics_text_rows-lw->rows;
-      if( lw->start<0 )
-       lw->start=0;
-      return 1;
-    }
-
-  return 0;
+       static retrieval_spec spec;
+
+       lw->repaint=1;
+       switch(cmd) {
+       case CMD_LIST_NEXT:
+               if( lw->start+lw->rows < lyr_text.lines->len+1 )
+                       lw->start++;
+               return 1;
+       case CMD_LIST_PREVIOUS:
+               if( lw->start >0 )
+                       lw->start--;
+               return 1;
+       case CMD_LIST_FIRST:
+               lw->start = 0;
+               return 1;
+       case CMD_LIST_LAST:
+               lw->start = lyrics_text_rows-lw->rows;
+               if( lw->start<0 )
+                       lw->start = 0;
+               return 1;
+       case CMD_LIST_NEXT_PAGE:
+               lw->start = lw->start + lw->rows-1;
+               if( lw->start+lw->rows >= lyr_text.lines->len+1 )
+                       lw->start = lyr_text.lines->len-lw->rows+1;
+               if( lw->start<0 )
+                       lw->start = 0;
+               return 1;
+       case CMD_LIST_PREVIOUS_PAGE:
+               lw->start = lw->start - lw->rows;
+               if( lw->start<0 )
+                       lw->start = 0;
+               return 1;
+       case CMD_SELECT:
+               spec.client = c;
+               spec.way = 0;
+               g_thread_create(get_lyr, &spec, FALSE, NULL);
+               return 1;
+       case CMD_INTERRUPT:
+               if(lock > 1) lock = 4;
+               return 1;
+       case CMD_ADD:
+               if(lock > 0 && lock != 4) {
+                       if(store_lyr_hd() == 0)
+                               screen_status_message (_("Lyrics saved!"));
+               }
+               return 1;
+       case CMD_LYRICS_UPDATE:
+               spec.client = c;
+               spec.way = 1;
+               g_thread_create(get_lyr, &spec, FALSE, NULL);
+               return 1;
+       case CMD_SEARCH_MODE:
+               //while (0==0) fprintf (stderr, "%i", src_lyr_stack->len);
+               if (src_selection == src_lyr_stack->len - 1)
+                       src_selection = -1;
+               src_selection++;
+               return 1;
+       default:
+               break;
+       }
+
+       lw->selected = lw->start+lw->rows;
+       if (screen_find(screen,
+                       lw,  lyrics_text_rows,
+                       cmd, list_callback, NULL)) {
+               /* center the row */
+               lw->start = lw->selected - (lw->rows / 2);
+               if (lw->start + lw->rows > lyrics_text_rows)
+                       lw->start = lyrics_text_rows - lw->rows;
+               if (lw->start < 0)
+                       lw->start = 0;
+               return 1;
+       }
+
+       return 0;
 }
 
 static list_window_t *
 lyrics_lw(void)
 {
-   return lw;
+  return lw;
 }
 
 screen_functions_t *
 get_screen_lyrics(void)
 {
-    static screen_functions_t functions;
-
-    memset(&functions, 0, sizeof(screen_functions_t));
-    functions.init   = lyrics_init;
-    functions.exit   = lyrics_exit;
-    functions.open   = NULL;
-    functions.close  = NULL;
-    functions.resize = lyrics_resize;
-    functions.paint  = lyrics_paint;
-    functions.update = lyrics_update;
-    functions.cmd    = lyrics_cmd;
-    functions.get_lw = lyrics_lw;
-    functions.get_title = lyrics_title;
-
-    return &functions;
+  static screen_functions_t functions;
+
+  memset(&functions, 0, sizeof(screen_functions_t));
+  functions.init   = lyrics_init;
+  functions.exit   = lyrics_exit;
+  functions.open   = NULL;
+  functions.close  = NULL;
+  functions.resize = lyrics_resize;
+  functions.paint  = lyrics_paint;
+  functions.update = lyrics_update;
+  functions.cmd    = lyrics_cmd;
+  functions.get_lw = lyrics_lw;
+  functions.get_title = lyrics_title;
+
+  return &functions;
 }
 #endif /* ENABLE_LYRICS_SCREEN */