X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fscreen_lyrics.c;h=6de59d5ef073869bb109728e91d36cdd524f6987;hb=8ba6b8463c9b53bcd6b05574d639eb9ac099a37a;hp=99487da3396c03672643dd9a8d405d1b10d391a7;hpb=83adc590c89c657e36da23b828f45ed7a881ec7a;p=ncmpc.git

diff --git a/src/screen_lyrics.c b/src/screen_lyrics.c
index 99487da..6de59d5 100644
--- a/src/screen_lyrics.c
+++ b/src/screen_lyrics.c
@@ -1,8 +1,6 @@
-/* 
- * $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
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2010 The Music Player Daemon Project
+ * Project homepage: http://musicpd.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
@@ -13,369 +11,418 @@
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "config.h"
-#ifndef DISABLE_LYRICS_SCREEN
-#include <sys/stat.h>
-#include "ncmpc.h"
+#include "screen_lyrics.h"
+#include "screen_interface.h"
+#include "screen_status.h"
+#include "screen_file.h"
+#include "screen_song.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 "src_lyrics.h"
-#include "gcc.h"
+#include "lyrics.h"
+#include "screen_text.h"
 
-#define _GNU_SOURCE
+#include <assert.h>
+#include <sys/stat.h>
 #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>
 
-static list_window_t *lw = NULL;
-static int lyrics_text_rows = -1;
-static int src_selection;
+static struct screen_text text;
+
+static struct mpd_song *next_song;
+static bool follow = false;
+
+static struct {
+	struct mpd_song *song;
+
+	char *artist, *title, *plugin_name;
+
+	struct plugin_cycle *loader;
+
+	guint loader_timeout;
+} current;
+
+static void
+screen_lyrics_abort(void)
+{
+	if (current.loader != NULL) {
+		plugin_stop(current.loader);
+		current.loader = NULL;
+	}
+
+	if (current.loader_timeout != 0) {
+		g_source_remove(current.loader_timeout);
+		current.loader_timeout = 0;
+	}
+
+	if (current.plugin_name != NULL) {
+		g_free(current.plugin_name);
+		current.plugin_name = NULL;
+	}
+
+	if (current.artist != NULL) {
+		g_free(current.artist);
+		current.artist = NULL;
+	}
+
+	if (current.title != NULL) {
+		g_free(current.title);
+		current.title = NULL;
+	}
+
+	if (current.song != NULL) {
+		mpd_song_free(current.song);
+		current.song = NULL;
+	}
+}
+
+/**
+ * Repaint and update the screen, if it is currently active.
+ */
+static void
+lyrics_repaint_if_active(void)
+{
+	if (screen_is_visible(&screen_lyrics)) {
+		screen_text_repaint(&text);
+
+		/* XXX repaint the screen title */
+	}
+}
+
+static void
+path_lyr_file(char *path, size_t size,
+		const char *artist, const char *title)
+{
+	snprintf(path, size, "%s/.lyrics/%s - %s.txt",
+			getenv("HOME"), artist, title);
+}
+
+static bool
+exists_lyr_file(const char *artist, const char *title)
+{
+	char path[1024];
+	struct stat result;
+
+	path_lyr_file(path, 1024, artist, title);
 
-static void lyrics_paint(screen_t *screen, mpdclient_t *c);
+	return (stat(path, &result) == 0);
+}
 
-static FILE *create_lyr_file(char *artist, char *title)
+static FILE *
+create_lyr_file(const char *artist, const 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;
+	mkdir(path, S_IRWXU);
 
-	snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric",
-		 getenv("HOME"), artist, title);
+	path_lyr_file(path, 1024, artist, title);
 
 	return fopen(path, "w");
 }
 
-
-static int store_lyr_hd(void)
+static int
+store_lyr_hd(void)
 {
-	char artist[512];
-	char title[512];
-	static char path[1024];
 	FILE *lyr_file;
 	unsigned i;
-	char line_buf[1024];
-
-	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);
+	lyr_file = create_lyr_file(current.artist, current.title);
 	if (lyr_file == NULL)
 		return -1;
 
-	for (i = 3; i <= lyr_text.text->len; i++) {
-		if (get_text_line(&lyr_text, i, line_buf, 1024) == -1)
-			break;
-		fputs(line_buf, lyr_file);
-	}
+	for (i = 0; i < text.lines->len; ++i)
+		fprintf(lyr_file, "%s\n",
+			(const char*)g_ptr_array_index(text.lines, i));
 
 	fclose(lyr_file);
 	return 0;
 }
 
-
-static void check_repaint(void)
+static int
+delete_lyr_hd(void)
 {
-        if(screen_get_id("lyrics") == get_cur_mode_id())lyrics_paint(NULL, NULL);
-}
+	char path[1024];
 
+	if (!exists_lyr_file(current.artist, current.title))
+		return -1;
 
-static gpointer get_lyr(void *c)
-{
-	mpd_Status *status = ((retrieval_spec*)c)->client->status;
-	mpd_Song *cur = ((retrieval_spec*)c)->client->song;
-	char artist[MAX_SONGNAME_LENGTH];
-	char title[MAX_SONGNAME_LENGTH];
+	path_lyr_file(path, 1024, current.artist, current.title);
+	if (unlink(path) != 0)
+		return -2;
 
-	//mpdclient_update((mpdclient_t*)c);
+	return 0;
+}
 
-	if(!(IS_PAUSED(status->state)||IS_PLAYING(status->state))) {
-		formed_text_init(&lyr_text);
-		return NULL;
-	}
+static void
+screen_lyrics_set(const GString *str)
+{
+	screen_text_set(&text, str);
 
+	/* paint new data */
 
-	lock=2;
-	result = 0;
+	lyrics_repaint_if_active();
+}
 
-	formed_text_init(&lyr_text);
+static void
+screen_lyrics_callback(const GString *result, const bool success,
+		       const char *plugin_name, G_GNUC_UNUSED void *data)
+{
+	assert(current.loader != NULL);
 
-	strfsong(artist, MAX_SONGNAME_LENGTH, "%artist%", cur);
-	strfsong(title, MAX_SONGNAME_LENGTH, "%title%", cur);
+	current.plugin_name = g_strdup(plugin_name);
 
-	//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);
+	/* Display result, which may be lyrics or error messages */
+	if (result != NULL)
+		screen_lyrics_set(result);
 
-	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;
-		}
+	if (success == true) {
+		if (options.lyrics_autosave &&
+		    !exists_lyr_file(current.artist, current.title))
+			store_lyr_hd();
+	} else {
+		/* translators: no lyrics were found for the song */
+		screen_status_message (_("No lyrics"));
+	}
+
+	if (current.loader_timeout != 0) {
+		g_source_remove(current.loader_timeout);
+		current.loader_timeout = 0;
 	}
-	/*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;
+
+	plugin_stop(current.loader);
+	current.loader = NULL;
 }
 
-static const char *
-list_callback(unsigned idx, int *highlight, mpd_unused void *data)
+static gboolean
+screen_lyrics_timeout_callback(gpointer G_GNUC_UNUSED data)
 {
-	static char buf[512];
-
-	//i think i'ts fine to write it into the 1st line...
-	if ((idx == lyr_text.lines->len && lyr_text.lines->len > 4) ||
-	    ((lyr_text.lines->len == 0 || lyr_text.lines->len == 4) &&
-	     idx == 0)) {
-		src_lyr* selected = g_array_index(src_lyr_stack, src_lyr*, src_selection);
-		*highlight=3;
-		if (selected != NULL)
-			return selected->description;
-		return "";
-	}
+	plugin_stop(current.loader);
+	current.loader = NULL;
 
-	if (idx < 2 && lyr_text.lines->len > 4)
-		*highlight=3;
-	else if(idx >= lyr_text.lines->len ||
-		(idx < 4 && idx != 0 && lyr_text.lines->len < 5)) {
-		return "";
-	}
+	screen_status_printf(_("Lyrics timeout occurred after %d seconds"),
+			     options.lyrics_timeout);
 
-	get_text_line(&lyr_text, idx, buf, 512);
-	return buf;
+	current.loader_timeout = 0;
+	return FALSE;
 }
 
+static void
+screen_lyrics_load(const struct mpd_song *song)
+{
+	const char *artist, *title;
+
+	assert(song != NULL);
+
+	screen_lyrics_abort();
+	screen_text_clear(&text);
+
+	artist = mpd_song_get_tag(song, MPD_TAG_ARTIST, 0);
+	title = mpd_song_get_tag(song, MPD_TAG_TITLE, 0);
+
+	current.song = mpd_song_dup(song);
+	current.artist = g_strdup(artist);
+	current.title = g_strdup(title);
+
+	current.loader = lyrics_load(current.artist, current.title,
+				     screen_lyrics_callback, NULL);
+
+	if (options.lyrics_timeout != 0) {
+		current.loader_timeout =
+			g_timeout_add_seconds(options.lyrics_timeout,
+					      screen_lyrics_timeout_callback,
+					      NULL);
+	}
+}
 
 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);
+	screen_text_init(&text, w, cols, rows);
 }
 
 static void
 lyrics_resize(int cols, int rows)
 {
-	lw->cols = cols;
-	lw->rows = rows;
+	screen_text_resize(&text, cols, rows);
 }
 
 static void
 lyrics_exit(void)
 {
-	list_window_free(lw);
-}
+	screen_lyrics_abort();
 
+	screen_text_deinit(&text);
+}
 
-static const char *
-lyrics_title(mpd_unused char *str, mpd_unused size_t size)
+static void
+lyrics_open(struct mpdclient *c)
 {
-	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 > (int)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");
+	const struct mpd_song *next_song_c =
+		next_song != NULL ? next_song : c->song;
+
+	if (next_song_c != NULL &&
+	    (current.song == NULL ||
+	     strcmp(mpd_song_get_uri(next_song_c),
+		    mpd_song_get_uri(current.song)) != 0))
+		screen_lyrics_load(next_song_c);
+
+	if (next_song != NULL) {
+		mpd_song_free(next_song);
+		next_song = NULL;
 	}
-
-	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
-lyrics_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
+lyrics_update(struct mpdclient *c)
 {
-	lw->clear = 1;
-	list_window_paint(lw, list_callback, NULL);
-	wrefresh(lw->w);
+	if (!follow)
+		return;
+
+	if (c->song != NULL &&
+	    (current.song == NULL ||
+	     strcmp(mpd_song_get_uri(c->song),
+		    mpd_song_get_uri(current.song)) != 0))
+		screen_lyrics_load(c->song);
 }
 
+static const char *
+lyrics_title(char *str, size_t size)
+{
+	if (current.loader != NULL) {
+		snprintf(str, size, "%s (%s)",
+			 _("Lyrics"),
+			 /* translators: this message is displayed
+			    while data is retrieved */
+			 _("loading..."));
+		return str;
+	} else if (current.artist != NULL && current.title != NULL &&
+		   !screen_text_is_empty(&text)) {
+		int n;
+		n = snprintf(str, size, "%s: %s - %s",
+			     _("Lyrics"),
+			     current.artist, current.title);
+
+		if (options.lyrics_show_plugin && current.plugin_name != NULL &&
+		    (unsigned int) n < size - 1)
+			snprintf(str + n, size - n, " (%s)",
+				 current.plugin_name);
+
+		return str;
+	} else
+		return _("Lyrics");
+}
 
 static void
-lyrics_update(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
+lyrics_paint(void)
 {
-	if( lw->repaint ) {
-		list_window_paint(lw, list_callback, NULL);
-		wrefresh(lw->w);
-		lw->repaint = 0;
-	}
+	screen_text_paint(&text);
 }
 
-
-static int
-lyrics_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
+static bool
+lyrics_cmd(struct mpdclient *c, command_t cmd)
 {
-	static retrieval_spec spec;
+	if (screen_text_cmd(&text, c, cmd))
+		return true;
 
-	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:
-		if ((unsigned)lyrics_text_rows > lw->rows)
-			lw->start = lyrics_text_rows - lw->rows;
-		else
-			lw->start = 0;
-		return 1;
-	case CMD_LIST_NEXT_PAGE:
-		lw->start = lw->start + lw->rows - 1;
-		if (lw->start + lw->rows >= (unsigned)lyrics_text_rows + 1) {
-			if ((unsigned)lyrics_text_rows + 1 > lw->rows)
-				lw->start = lyrics_text_rows + 1 - lw->rows;
-			else
-				lw->start = 0;
-		}
-		return 1;
-	case CMD_LIST_PREVIOUS_PAGE:
-		if (lw->start > lw->rows)
-			lw->start -= lw->rows;
-		else
-			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!"));
+		if (current.loader != NULL) {
+			screen_lyrics_abort();
+			screen_text_clear(&text);
+		}
+		return true;
+	case CMD_SAVE_PLAYLIST:
+		if (current.loader == NULL && current.artist != NULL &&
+		    current.title != NULL && store_lyr_hd() == 0)
+			/* lyrics for the song were saved on hard disk */
+			screen_status_message (_("Lyrics saved"));
+		return true;
+	case CMD_DELETE:
+		if (current.loader == NULL && current.artist != NULL &&
+		    current.title != NULL) {
+			switch (delete_lyr_hd()) {
+			case 0:
+				screen_status_message (_("Lyrics deleted"));
+				break;
+			case -1:
+				screen_status_message (_("No saved lyrics"));
+				break;
+			}
 		}
-		return 1;
+		return true;
 	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 == (int)src_lyr_stack->len - 1)
-			src_selection = -1;
-		src_selection++;
-		return 1;
-	default:
-		break;
-	}
+		if (c->song != NULL) {
+			screen_lyrics_load(c->song);
+			screen_text_repaint(&text);
+		}
+		return true;
+	case CMD_SELECT:
+		if (current.loader == NULL && current.artist != NULL &&
+		    current.title != NULL) {
+			current.loader = lyrics_load(current.artist, current.title,
+						     screen_lyrics_callback, NULL);
+			screen_text_repaint(&text);
+		}
+		return true;
 
-	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 > (unsigned)lyrics_text_rows) {
-			if (lw->rows < (unsigned)lyrics_text_rows)
-				lw->start = lyrics_text_rows - lw->rows;
-			else
-				lw->start = 0;
+#ifdef ENABLE_SONG_SCREEN
+	case CMD_SCREEN_SONG:
+		if (current.song != NULL) {
+			screen_song_switch(c, current.song);
+			return true;
 		}
-		return 1;
+
+		break;
+#endif
+	case CMD_SCREEN_SWAP:
+		screen_swap(c, current.song);
+		return true;
+
+	case CMD_LOCATE:
+		if (current.song != NULL) {
+			screen_file_goto_song(c, current.song);
+			return true;
+		}
+
+		return false;
+
+	default:
+		break;
 	}
 
-	return 0;
+	return false;
 }
 
-static list_window_t *
-lyrics_lw(void)
+const struct screen_functions screen_lyrics = {
+	.init = lyrics_screen_init,
+	.exit = lyrics_exit,
+	.open = lyrics_open,
+	.update = lyrics_update,
+	.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, bool f)
 {
-  return lw;
-}
+	assert(song != NULL);
 
-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;
+	follow = f;
+	next_song = mpd_song_dup(song);
+	screen_switch(&screen_lyrics, c);
 }
-#endif /* ENABLE_LYRICS_SCREEN */