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diff --git a/src/screen_lyrics.c b/src/screen_lyrics.c
index 15f5721ec1bfcbf293a13df3ff0ed285dae953c6..30a89a163973ddaf8f29143bf2bd5c88fdea20f1 100644 (file)
--- a/src/screen_lyrics.c
+++ b/src/screen_lyrics.c
-/*
- * $Id: screen_lyrics.c 3355 2006-09-1 17:44:04Z tradiaz $
- *
+/*
* (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
+ * Copyright (C) 2008 Max Kellermann <max@duempel.org>
*
* 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
*
*/
-#include <stdlib.h>
-#include <string.h>
-#include <glib.h>
-#include <ncurses.h>
-#include <expat.h>
-#include <unistd.h>
-
-#include "config.h"
-#ifndef DISABLE_LYRICS_SCREEN
-#include "ncmpc.h"
+#include <sys/stat.h>
+#include "i18n.h"
#include "options.h"
#include "mpdclient.h"
#include "command.h"
#include "screen.h"
#include "screen_utils.h"
-#include "easy_download.h"
#include "strfsong.h"
+#include "lyrics.h"
+#include "charset.h"
+#include "gcc.h"
-#define LEOSLYRICS_SEARCH_URL "http://api.leoslyrics.com/api_search.php?auth=QuodLibet&artist=%s&songtitle=%s"
-
-#define LEOSLYRICS_CONTENT_URL "http://api.leoslyrics.com/api_lyrics.php?auth=QuodLibet&hid=%s"
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <unistd.h>
+#include <stdio.h>
-#define CREDITS "Lyrics provided by www.LeosLyrics.com"
-typedef struct _formed_text
-{
- GString *text;
- GArray *lines;
- int val;
-} formed_text;
+static list_window_t *lw = NULL;
+static const struct mpd_song *next_song;
-XML_Parser parser, contentp;
-static int lyrics_text_rows = -1;
-static list_window_t *lw = NULL;
-guint8 result;
-char *hid;
-GTimer *dltime;
-short int lock;
-//GString *lyr_text;
-//char *lyr_text;
-//GArray *textline;
-formed_text lyr_text;
-/* 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);
-
-void get_text_line(formed_text *text, int num, char *dest, int len)
+static struct {
+ struct mpd_song *song;
+
+ char *artist, *title;
+
+ struct lyrics_loader *loader;
+
+ GPtrArray *lines;
+} current;
+
+static void
+screen_lyrics_abort(void)
{
- memset(dest, '\0', len*sizeof(char));
- if(num >= text->lines->len-1) return;
- 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));
+ if (current.loader != NULL) {
+ lyrics_free(current.loader);
+ current.loader = NULL;
}
- dest[linelen] = '\n';
- dest[linelen+1] = '\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 (current.artist != NULL) {
+ g_free(current.artist);
+ current.artist = NULL;
}
- 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);
+
+ if (current.title != NULL) {
+ g_free(current.title);
+ current.artist = NULL;
}
- 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);
+
+ if (current.song != NULL) {
+ mpd_freeSong(current.song);
+ current.song = NULL;
}
}
-void formed_text_init(formed_text *text)
+static void
+screen_lyrics_clear(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;
+ guint i;
+
+ for (i = 0; i < current.lines->len; ++i)
+ g_free(g_ptr_array_index(current.lines, i));
+
+ g_ptr_array_set_size(current.lines, 0);
}
-/*
-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(&lyr_text, *line, n+1);
- free(*line);
- *line = NULL; n = 0;
- }
-
- return 0;
-}
-
-int store_lyr_hd()
+
+static void
+lyrics_paint(void);
+
+/**
+ * Repaint and update the screen.
+ */
+static void
+lyrics_repaint(void)
{
- 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)-2] = '\0';
- title[strlen(title)-2] = '\0';
-
- snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
- getenv("HOME"), artist, title);
-
- if (check_lyr_hd(artist, title, F_OK) == 0) lyr_file = fopen(path, "w");
- else lyr_file = fopen(path, "xw");
- if(lyr_file == NULL) return -1;
-
- int i;
- char line_buf[1024];
-
- for(i = 2; i <= lyr_text.text->len; i++)
- {
- get_text_line(&lyr_text, i, line_buf, 0);
- fputs(line_buf, lyr_file);
- }
- fclose(lyr_file);
- return 0;
+ lyrics_paint();
+ wrefresh(lw->w);
}
-
-*/
-void check_repaint()
+
+/**
+ * Repaint and update the screen, if it is currently active.
+ */
+static void
+lyrics_repaint_if_active(void)
{
- if(screen_get_id("lyrics") == get_cur_mode_id())lyrics_paint(NULL, NULL);
+ if (screen_is_visible(&screen_lyrics)) {
+ lyrics_repaint();
+
+ /* XXX repaint the screen title */
+ }
}
-int check_dl_progress(void *clientp, double dltotal, double dlnow,
- double ultotal, double ulnow)
+static void
+screen_lyrics_set(const GString *str)
{
- if(g_timer_elapsed(dltime, NULL) >= options.lyrics_timeout)
- {
- formed_text_init(&lyr_text);
- return -1;
- }
- return 0;
-}
+ const char *p, *eol, *next;
+ screen_lyrics_clear();
+ p = str->str;
+ while ((eol = strchr(p, '\n')) != NULL) {
+ char *line;
-static void check_content(void *data, const char *name, const char **atts)
-{
- if(strstr(name, "text") != NULL)
- {
+ next = eol + 1;
+
+ /* strip whitespace at end */
+
+ while (eol > p && (unsigned char)eol[-1] <= 0x20)
+ --eol;
+
+ /* create copy and append it to current.lines*/
- result |= 16;
+ line = g_malloc(eol - p + 1);
+ memcpy(line, p, eol - p);
+ line[eol - p] = 0;
+
+ g_ptr_array_add(current.lines, line);
+
+ /* reset control characters */
+
+ for (eol = line + (eol - p); line < eol; ++line)
+ if ((unsigned char)*line < 0x20)
+ *line = ' ';
+
+ p = next;
}
+
+ if (*p != 0)
+ g_ptr_array_add(current.lines, g_strdup(p));
+
+ /* paint new data */
+
+ lyrics_repaint_if_active();
}
-
-static void check_search_response(void *data, const char *name,
- const char **atts)
+static void
+screen_lyrics_callback(const GString *result, mpd_unused void *data)
{
- if(strstr(name, "response") != NULL)
- {
- result |=2;
- return;
- }
-
- if(result & 4)
- {
- if(strstr(name, "result") != NULL)
- {
- if(strstr(atts[2], "hid") != NULL)
- {
- hid = atts[3];
- }
-
- if(strstr(atts[2], "exactMatch") != NULL)
- {
- result |= 8;
- }
- }
- }
-
+ assert(current.loader != NULL);
+
+ if (result != NULL)
+ screen_lyrics_set(result);
+ else
+ screen_status_message (_("No lyrics"));
+
+ lyrics_free(current.loader);
+ current.loader = NULL;
}
-static void end_tag(void *data, const char *name)
+static void
+screen_lyrics_load(const struct mpd_song *song)
{
- //hmmmmmm
+ char buffer[MAX_SONGNAME_LENGTH];
+
+ assert(song != NULL);
+
+ screen_lyrics_abort();
+ screen_lyrics_clear();
+
+ current.song = mpd_songDup(song);
+
+ strfsong(buffer, sizeof(buffer), "%artist%", song);
+ current.artist = g_strdup(buffer);
+
+ strfsong(buffer, sizeof(buffer), "%title%", song);
+ current.title = g_strdup(buffer);
+
+ current.loader = lyrics_load(current.artist, current.title,
+ screen_lyrics_callback, NULL);
}
- static void check_search_success(void *userData, const XML_Char *s, int len)
- {
- if(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"))
- {
- result |=4;
- }
- }
- }
+static FILE *create_lyr_file(const char *artist, const char *title)
+{
+ char path[1024];
-static void fetch_text(void *userData, const XML_Char *s, int len)
+ snprintf(path, 1024, "%s/.lyrics",
+ getenv("HOME"));
+ mkdir(path, S_IRWXU);
+
+ snprintf(path, 1024, "%s/.lyrics/%s - %s.txt",
+ getenv("HOME"), artist, title);
+
+ return fopen(path, "w");
+}
+
+static int store_lyr_hd(void)
{
- if(result & 16)
- {
- add_text_line(&lyr_text, s, len);
- }
+ FILE *lyr_file;
+ unsigned i;
+
+ lyr_file = create_lyr_file(current.artist, current.title);
+ if (lyr_file == NULL)
+ return -1;
+
+ for (i = 0; i < current.lines->len; ++i)
+ fprintf(lyr_file, "%s\n",
+ (const char*)g_ptr_array_index(current.lines, i));
+
+ fclose(lyr_file);
+ return 0;
}
-gpointer get_lyr(void *c)
+static const char *
+list_callback(unsigned idx, mpd_unused int *highlight, mpd_unused void *data)
{
- mpd_Status *status = ((mpdclient_t*)c)->status;
- mpd_Song *cur = ((mpdclient_t*)c)->song;
- mpdclient_update((mpdclient_t*)c);
-
- if(!(IS_PAUSED(status->state)||IS_PLAYING(status->state)))
- {
- formed_text_init(&lyr_text);
+ static char buffer[256];
+ char *value;
+
+ if (idx >= current.lines->len)
return NULL;
- }
-
- char url_avail[256];
- char url_hid[256];
- char artist[MAX_SONGNAME_LENGTH];
- char title[MAX_SONGNAME_LENGTH];
- lock = 2;
- result = 0;
-
- if(dltime == NULL) dltime = g_timer_new();
-
- strfsong(artist, MAX_SONGNAME_LENGTH, "%artist%", cur);
- strfsong(title, MAX_SONGNAME_LENGTH, "%title%", cur);
-
- formed_text_init(&lyr_text);
- add_text_line(&lyr_text, artist, 0);
- add_text_line(&lyr_text, title, 0);
-
- //if(get_lyr_hd(artist, title) == 0) return &lyr_text;
-
- //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(dltime);
- if(!easy_download(url_avail, &lyr_avail, check_dl_progress)) return NULL;
- g_timer_stop(dltime);
-
- //we gotta parse that stuff with expat
- parser = XML_ParserCreate(NULL);
- XML_SetUserData(parser, NULL);
-
- int state = 0;
-
- XML_SetElementHandler(parser, check_search_response, end_tag);
- XML_SetCharacterDataHandler(parser, check_search_success);
- XML_Parse(parser, lyr_avail.data, strlen(lyr_avail.data), state);
- XML_ParserFree(parser);
-
- if(!(result & 4)) return NULL; //check whether lyrics found
- easy_download_struct lyr_content = {NULL, 0,-1};
- snprintf(url_hid, 512, LEOSLYRICS_CONTENT_URL, hid);
-
- g_timer_continue(dltime);
- if(!(easy_download(url_hid, &lyr_content, check_dl_progress))) return NULL;
- g_timer_stop(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), state);
- XML_ParserFree(contentp);
-
- lw->start = 0;
- check_repaint();
-
- lock = 1;
- return &lyr_text;
-}
-
-static char *
-list_callback(int index, int *highlight, void *data)
-{
- static char buf[512];
- int linelen;
-
- //i think i'ts fine to write it into the 1st line...
- if((index == lyr_text.lines->len && lyr_text.lines->len != 2)||
- ((lyr_text.lines->len == 0
- ||lyr_text.lines->len == 2) && index == 0))
- {
- *highlight=3;
- return CREDITS;
- }
-
- if(index < 2 && lyr_text.lines->len > 2) *highlight=3;
- else if(index >= lyr_text.lines->len || index == 2)
- {
- return "";
- }
- if(index >1) index--;
- get_text_line(&lyr_text, index, buf, 512);
- return buf;
-}
+
+ value = utf8_to_locale(g_ptr_array_index(current.lines, idx));
+ g_strlcpy(buffer, value, sizeof(buffer));
+ free(value);
+
+ return buffer;
+}
static void
-lyrics_init(WINDOW *w, int cols, int rows)
+lyrics_screen_init(WINDOW *w, int cols, int rows)
{
- 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);
-
+ current.lines = g_ptr_array_new();
+ lw = list_window_init(w, cols, rows);
+ lw->flags = LW_HIDE_CURSOR;
}
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);
+
+ screen_lyrics_abort();
+ screen_lyrics_clear();
+
+ g_ptr_array_free(current.lines, TRUE);
+ current.lines = NULL;
}
+static void
+lyrics_open(mpdclient_t *c)
+{
+ if (next_song == NULL)
+ next_song = c->song;
+
+ if (next_song != NULL &&
+ (current.song == NULL ||
+ strcmp(next_song->file, current.song->file) != 0))
+ screen_lyrics_load(next_song);
-static char *
+ next_song = NULL;
+}
+
+
+static const char *
lyrics_title(char *str, size_t size)
{
- if(lyr_text.lines->len == 2){
- if(lock == 1 && !(result & 2)) return _("Lyrics [No connection]");
- if(lock == 1 && !(result & 4)) return _("Lyrics [Not found]");
- if(lock == 2) return _("Lyrics [retrieving]");
- }
- /*if(lyr_text.lines->len > 2)
- {
- static char buf[512];
- char artist[512];
- char title[512];
- get_text_line(&lyr_text, 0, artist, 512);
- get_text_line(&lyr_text, 1, artist, 512);
- snprintf(buf, 512, "Lyrics %s - %s", artist, title);
- return buf;
- }*/
- return "Lyrics";
+ if (current.loader != NULL) {
+ snprintf(str, size, "%s (%s)",
+ _("Lyrics"), _("loading..."));
+ return str;
+ } else if (current.artist != NULL && current.title != NULL &&
+ current.lines->len > 0) {
+ snprintf(str, size, "%s: %s - %s",
+ _("Lyrics"),
+ current.artist, current.title);
+ return str;
+ } else
+ return _("Lyrics");
}
-static void
-lyrics_paint(screen_t *screen, mpdclient_t *c)
+static void
+lyrics_paint(void)
{
- lw->clear = 1;
- list_window_paint(lw, list_callback, NULL);
- wrefresh(lw->w);
+ list_window_paint(lw, list_callback, NULL);
}
-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;
- }
-}
+static int
+lyrics_cmd(mpdclient_t *c, command_t cmd)
+{
+ if (list_window_scroll_cmd(lw, current.lines->len, cmd)) {
+ lyrics_repaint();
+ return 1;
+ }
+ switch(cmd) {
+ case CMD_INTERRUPT:
+ if (current.loader != NULL) {
+ screen_lyrics_abort();
+ screen_lyrics_clear();
+ }
+ return 1;
+ case CMD_ADD:
+ if (current.loader == NULL && current.artist != NULL &&
+ current.title != NULL && store_lyr_hd() == 0)
+ screen_status_message (_("Lyrics saved!"));
+ return 1;
+ case CMD_LYRICS_UPDATE:
+ if (c->song != NULL) {
+ screen_lyrics_load(c->song);
+ lyrics_repaint();
+ }
+ return 1;
+
+ case CMD_LOCATE:
+ if (current.song != NULL) {
+ screen_file_goto_song(c, current.song);
+ return true;
+ }
+
+ return false;
-static int
-lyrics_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
-{
- 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:
- g_thread_create(get_lyr, c, FALSE, NULL);
- return 1;
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;
-}
+ break;
+ }
-static list_window_t *
-lyrics_lw(void)
-{
- return lw;
+ lw->selected = lw->start+lw->rows;
+ if (screen_find(lw, current.lines->len,
+ cmd, list_callback, NULL)) {
+ /* center the row */
+ list_window_center(lw, current.lines->len, lw->selected);
+ lyrics_repaint();
+ return 1;
+ }
+
+ return 0;
}
-screen_functions_t *
-get_screen_lyrics(void)
+const struct screen_functions screen_lyrics = {
+ .init = lyrics_screen_init,
+ .exit = lyrics_exit,
+ .open = lyrics_open,
+ .close = NULL,
+ .resize = lyrics_resize,
+ .paint = lyrics_paint,
+ .cmd = lyrics_cmd,
+ .get_title = lyrics_title,
+};
+
+void
+screen_lyrics_switch(struct mpdclient *c, const struct mpd_song *song)
{
- 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;
+ assert(song != NULL);
+
+ next_song = song;
+ screen_switch(&screen_lyrics, c);
}
-#endif /* ENABLE_LYRICS_SCREEN */