X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fscreen_lyrics.c;h=152b38d30dd28311a010222c2ab21be0dd2097ef;hb=fd4989c60e2b51b10534ad87583bd4408c7bfe21;hp=9b9ea03a2f505145dcb31b51dc818cdb96518854;hpb=a03216c4dd0d06da63a5040bbb1dce9212fc0271;p=ncmpc.git

diff --git a/src/screen_lyrics.c b/src/screen_lyrics.c
index 9b9ea03..152b38d 100644
--- a/src/screen_lyrics.c
+++ b/src/screen_lyrics.c
@@ -1,60 +1,60 @@
-/*
- * (c) 2006 by Kalle Wallin <kaw@linux.se>
- * Copyright (C) 2008 Max Kellermann <max@duempel.org>
- *
+/* 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
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- *
+
  * This program is distributed in the hope that it will be useful,
  * 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
- *
- */
 
-#include "config.h"
-#ifndef DISABLE_LYRICS_SCREEN
-#include <sys/stat.h>
-#include "ncmpc.h"
+ * 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 "screen_lyrics.h"
+#include "screen_interface.h"
+#include "screen_message.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 "strfsong.h"
 #include "lyrics.h"
-#include "gcc.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 <unistd.h>
 #include <stdio.h>
 
-static list_window_t *lw = NULL;
+static struct screen_text text;
+
+static struct mpd_song *next_song;
+static bool follow = false;
 
 static struct {
-	const struct mpd_song *song;
+	struct mpd_song *song;
 
 	char *artist, *title;
 
-	struct lyrics_loader *loader;
-
-	GPtrArray *lines;
+	struct plugin_cycle *loader;
 } current;
 
 static void
 screen_lyrics_abort(void)
 {
 	if (current.loader != NULL) {
-		lyrics_free(current.loader);
+		plugin_stop(current.loader);
 		current.loader = NULL;
 	}
 
@@ -68,270 +68,306 @@ screen_lyrics_abort(void)
 		current.artist = NULL;
 	}
 
-	current.song = 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
-screen_lyrics_clear(void)
+lyrics_repaint_if_active(void)
 {
-	guint i;
+	if (screen_is_visible(&screen_lyrics)) {
+		screen_text_repaint(&text);
 
-	for (i = 0; i < current.lines->len; ++i)
-		g_free(g_ptr_array_index(current.lines, i));
+		/* XXX repaint the screen title */
+	}
+}
 
-	g_ptr_array_set_size(current.lines, 0);
+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 const char *
-list_callback(unsigned idx, int *highlight, void *data);
+static bool
+exists_lyr_file(const char *artist, const char *title)
+{
+	char path[1024];
+	struct stat result;
 
-static void
-screen_lyrics_set(const GString *str)
+	path_lyr_file(path, 1024, artist, title);
+
+	return (stat(path, &result) == 0);
+}
+
+static FILE *
+create_lyr_file(const char *artist, const char *title)
 {
-	const char *p, *eol, *next;
+	char path[1024];
 
-	screen_lyrics_clear();
+	snprintf(path, 1024, "%s/.lyrics",
+		 getenv("HOME"));
+	mkdir(path, S_IRWXU);
 
-	p = str->str;
-	while ((eol = strchr(p, '\n')) != NULL) {
-		char *line;
+	path_lyr_file(path, 1024, artist, title);
 
-		next = eol + 1;
+	return fopen(path, "w");
+}
 
-		/* strip whitespace at end */
+static int
+store_lyr_hd(void)
+{
+	FILE *lyr_file;
+	unsigned i;
 
-		while (eol > p && (unsigned char)eol[-1] <= 0x20)
-			--eol;
+	lyr_file = create_lyr_file(current.artist, current.title);
+	if (lyr_file == NULL)
+		return -1;
 
-		/* create copy and append it to current.lines*/
+	for (i = 0; i < text.lines->len; ++i)
+		fprintf(lyr_file, "%s\n",
+			(const char*)g_ptr_array_index(text.lines, i));
 
-		line = g_malloc(eol - p + 1);
-		memcpy(line, p, eol - p);
-		line[eol - p] = 0;
+	fclose(lyr_file);
+	return 0;
+}
 
-		g_ptr_array_add(current.lines, line);
+static int
+delete_lyr_hd(void)
+{
+	char path[1024];
 
-		/* reset control characters */
+	if (!exists_lyr_file(current.artist, current.title))
+		return -1;
 
-		for (eol = line + (eol - p); line < eol; ++line)
-			if ((unsigned char)*line < 0x20)
-				*line = ' ';
+	path_lyr_file(path, 1024, current.artist, current.title);
+	if (unlink(path) != 0)
+		return -2;
 
-		p = next;
-	}
+	return 0;
+}
 
-	if (*p != 0)
-		g_ptr_array_add(current.lines, g_strdup(p));
+static void
+screen_lyrics_set(const GString *str)
+{
+	screen_text_set(&text, str);
 
 	/* paint new data */
 
-	if (get_cur_mode_id() == 104) { /* XXX don't use the literal number */
-		lw->clear = 1;
-		list_window_paint(lw, list_callback, NULL);
-		wrefresh(lw->w);
-
-		/* XXX repaint the screen title */
-	}
+	lyrics_repaint_if_active();
 }
 
 static void
-screen_lyrics_callback(const GString *result, mpd_unused void *data)
+screen_lyrics_callback(const GString *result, const bool success,
+		       G_GNUC_UNUSED void *data)
 {
 	assert(current.loader != NULL);
 
+	/* Display result, which may be lyrics or error messages */
 	if (result != NULL)
 		screen_lyrics_set(result);
-	else
+
+	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"));
+	}
 
-	lyrics_free(current.loader);
+	plugin_stop(current.loader);
 	current.loader = NULL;
 }
 
 static void
-screen_lyrics_load(struct mpd_song *song)
+screen_lyrics_load(const struct mpd_song *song)
 {
-	char buffer[MAX_SONGNAME_LENGTH];
+	const char *artist, *title;
 
 	assert(song != NULL);
 
 	screen_lyrics_abort();
-	screen_lyrics_clear();
-
-	current.song = song;
+	screen_text_clear(&text);
 
-	strfsong(buffer, sizeof(buffer), "%artist%", song);
-	current.artist = g_strdup(buffer);
+	artist = mpd_song_get_tag(song, MPD_TAG_ARTIST, 0);
+	title = mpd_song_get_tag(song, MPD_TAG_TITLE, 0);
 
-	strfsong(buffer, sizeof(buffer), "%title%", song);
-	current.title = g_strdup(buffer);
+	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);
 }
 
-static void lyrics_paint(screen_t *screen, mpdclient_t *c);
-
-static FILE *create_lyr_file(const char *artist, const char *title)
-{
-	char path[1024];
-
-	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)
-{
-	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;
-}
-
-static const char *
-list_callback(unsigned idx, mpd_unused int *highlight, mpd_unused void *data)
-{
-	if (idx >= current.lines->len)
-		return NULL;
-
-	return g_ptr_array_index(current.lines, idx);
-}
-
-
 static void
 lyrics_screen_init(WINDOW *w, int cols, int rows)
 {
-	current.lines = g_ptr_array_new();
-	lw = list_window_init(w, cols, rows);
-	lw->flags = LW_HIDE_CURSOR;
+	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_lyrics_clear();
 
-	g_ptr_array_free(current.lines, TRUE);
-	current.lines = NULL;
+	screen_text_deinit(&text);
 }
 
 static void
-lyrics_open(mpd_unused screen_t *screen, mpdclient_t *c)
+lyrics_open(struct mpdclient *c)
 {
-	if (c->song != NULL && c->song != current.song)
-		screen_lyrics_load(c->song);
+	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;
 }
 
+static void
+lyrics_update(struct mpdclient *c)
+{
+	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)
-		return "Lyrics (loading)";
-	else if (current.artist != NULL && current.title != NULL &&
-		 current.lines->len > 0) {
-		snprintf(str, size, "Lyrics: %s - %s",
+	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)) {
+		snprintf(str, size, "%s: %s - %s",
+			 _("Lyrics"),
 			 current.artist, current.title);
 		return str;
 	} else
-		return "Lyrics";
+		return _("Lyrics");
 }
 
 static void
-lyrics_paint(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
+lyrics_paint(void)
 {
-	lw->clear = 1;
-	list_window_paint(lw, list_callback, NULL);
-	wrefresh(lw->w);
+	screen_text_paint(&text);
 }
 
-
-static void
-lyrics_update(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
+static bool
+lyrics_cmd(struct mpdclient *c, command_t cmd)
 {
-	if( lw->repaint ) {
-		list_window_paint(lw, list_callback, NULL);
-		wrefresh(lw->w);
-		lw->repaint = 0;
-	}
-}
-
-
-static int
-lyrics_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
-{
-	if (list_window_scroll_cmd(lw, current.lines->len, cmd))
-		return 1;
+	if (screen_text_cmd(&text, c, cmd))
+		return true;
 
 	switch(cmd) {
 	case CMD_INTERRUPT:
 		if (current.loader != NULL) {
 			screen_lyrics_abort();
-			screen_lyrics_clear();
+			screen_text_clear(&text);
 		}
-		return 1;
-	case CMD_ADD:
+		return true;
+	case CMD_SAVE_PLAYLIST:
 		if (current.loader == NULL && current.artist != NULL &&
 		    current.title != NULL && store_lyr_hd() == 0)
-			screen_status_message (_("Lyrics saved!"));
-		return 1;
+			/* 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 true;
 	case CMD_LYRICS_UPDATE:
 		if (c->song != NULL) {
 			screen_lyrics_load(c->song);
-			lyrics_paint(NULL, NULL);
+			screen_text_repaint(&text);
 		}
-		return 1;
-	default:
+		return true;
+
+#ifdef ENABLE_SONG_SCREEN
+	case CMD_SCREEN_SONG:
+		if (current.song != NULL) {
+			screen_song_switch(c, current.song);
+			return true;
+		}
+
 		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;
 
-	lw->selected = lw->start+lw->rows;
-	if (screen_find(screen,
-			lw, current.lines->len,
-			cmd, list_callback, NULL)) {
-		/* center the row */
-		list_window_center(lw, current.lines->len, lw->selected);
-		return 1;
+	default:
+		break;
 	}
 
-	return 0;
+	return false;
 }
 
 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,
-	.update = lyrics_update,
 	.cmd = lyrics_cmd,
 	.get_title = lyrics_title,
 };
 
-#endif /* ENABLE_LYRICS_SCREEN */
+void
+screen_lyrics_switch(struct mpdclient *c, const struct mpd_song *song, bool f)
+{
+	assert(song != NULL);
+
+	follow = f;
+	next_song = mpd_song_dup(song);
+	screen_switch(&screen_lyrics, c);
+}