diff --git a/src/screen_lyrics.c b/src/screen_lyrics.c
index ce11b4473e469fdf033719e513ef7e06d1014be7..0bce7c4c54bdd702afcbc74a435c37f546c34824 100644 (file)
--- a/src/screen_lyrics.c
+++ b/src/screen_lyrics.c
-/*
- * (c) 2006 by Kalle Wallin <kaw@linux.se>
- * Copyright (C) 2008 Max Kellermann <max@duempel.org>
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2017 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
* 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 <sys/stat.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 "strfsong.h"
#include "lyrics.h"
#include "screen_text.h"
+#include "screen_utils.h"
+#include "ncu.h"
+#include <assert.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
static struct screen_text text;
-static const struct mpd_song *next_song;
+static struct mpd_song *next_song;
+static bool follow = false;
+/** Set if the cursor position shall be kept during the next lyrics update. */
+static bool reloading = false;
static struct {
struct mpd_song *song;
- char *artist, *title;
+ char *artist, *title, *plugin_name;
struct plugin_cycle *loader;
+
+ guint loader_timeout;
} current;
static void
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.artist = NULL;
+ current.title = NULL;
}
if (current.song != NULL) {
- mpd_freeSong(current.song);
+ mpd_song_free(current.song);
current.song = NULL;
}
}
}
}
+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];
+ path_lyr_file(path, 1024, artist, title);
+
+ struct stat result;
+ return (stat(path, &result) == 0);
+}
+
+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);
+
+ path_lyr_file(path, 1024, artist, title);
+
+ return fopen(path, "w");
+}
+
+static int
+store_lyr_hd(void)
+{
+ FILE *lyr_file = create_lyr_file(current.artist, current.title);
+ if (lyr_file == NULL)
+ return -1;
+
+ for (unsigned 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 int
+delete_lyr_hd(void)
+{
+ if (!exists_lyr_file(current.artist, current.title))
+ return -1;
+
+ char path[1024];
+ path_lyr_file(path, 1024, current.artist, current.title);
+ if (unlink(path) != 0)
+ return -2;
+
+ return 0;
+}
+
static void
screen_lyrics_set(const GString *str)
{
- screen_text_set(&text, str);
+ if (reloading) {
+ unsigned saved_start = text.lw->start;
+
+ screen_text_set(&text, str->str);
+
+ /* restore the cursor and ensure that it's still valid */
+ text.lw->start = saved_start;
+ list_window_fetch_cursor(text.lw);
+ } else {
+ screen_text_set(&text, str->str);
+ }
+
+ reloading = false;
/* paint new data */
}
static void
-screen_lyrics_callback(const GString *result, G_GNUC_UNUSED void *data)
+screen_lyrics_callback(const GString *result, const bool success,
+ const char *plugin_name, gcc_unused void *data)
{
assert(current.loader != NULL);
+ current.plugin_name = g_strdup(plugin_name);
+
+ /* 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"));
+ }
+
+ if (current.loader_timeout != 0) {
+ g_source_remove(current.loader_timeout);
+ current.loader_timeout = 0;
+ }
plugin_stop(current.loader);
current.loader = NULL;
}
+static gboolean
+screen_lyrics_timeout_callback(gpointer gcc_unused data)
+{
+ plugin_stop(current.loader);
+ current.loader = NULL;
+
+ screen_status_printf(_("Lyrics timeout occurred after %d seconds"),
+ options.lyrics_timeout);
+
+ current.loader_timeout = 0;
+ return FALSE;
+}
+
static void
screen_lyrics_load(const struct mpd_song *song)
{
- char buffer[MAX_SONGNAME_LENGTH];
-
assert(song != NULL);
screen_lyrics_abort();
screen_text_clear(&text);
- current.song = mpd_songDup(song);
+ const char *artist = mpd_song_get_tag(song, MPD_TAG_ARTIST, 0);
+ const char *title = mpd_song_get_tag(song, MPD_TAG_TITLE, 0);
- strfsong(buffer, sizeof(buffer), "%artist%", song);
- current.artist = g_strdup(buffer);
-
- 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 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");
+ if (options.lyrics_timeout != 0) {
+ current.loader_timeout =
+ g_timeout_add_seconds(options.lyrics_timeout,
+ screen_lyrics_timeout_callback,
+ NULL);
+ }
}
-static int store_lyr_hd(void)
+static void
+screen_lyrics_reload(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 < text.lines->len; ++i)
- fprintf(lyr_file, "%s\n",
- (const char*)g_ptr_array_index(text.lines, i));
-
- fclose(lyr_file);
- return 0;
+ if (current.loader == NULL && current.artist != NULL &&
+ current.title != NULL) {
+ reloading = true;
+ current.loader = lyrics_load(current.artist, current.title,
+ screen_lyrics_callback, NULL);
+ screen_text_repaint(&text);
+ }
}
static void
-lyrics_screen_init(WINDOW *w, int cols, int rows)
+lyrics_screen_init(WINDOW *w, unsigned cols, unsigned rows)
{
screen_text_init(&text, w, cols, rows);
}
static void
-lyrics_resize(int cols, int rows)
+lyrics_resize(unsigned cols, unsigned rows)
{
screen_text_resize(&text, cols, rows);
}
}
static void
-lyrics_open(mpdclient_t *c)
+lyrics_open(struct mpdclient *c)
{
- if (next_song == NULL)
- next_song = c->song;
+ const struct mpd_song *next_song_c =
+ next_song != NULL ? next_song : c->song;
- if (next_song != NULL &&
+ if (next_song_c != NULL &&
(current.song == NULL ||
- strcmp(next_song->file, current.song->file) != 0))
- screen_lyrics_load(next_song);
+ strcmp(mpd_song_get_uri(next_song_c),
+ mpd_song_get_uri(current.song)) != 0))
+ screen_lyrics_load(next_song_c);
- next_song = NULL;
+ 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)
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);
+ 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");
screen_text_paint(&text);
}
+/* save current lyrics to a file and run editor on it */
+static void
+lyrics_edit(void)
+{
+ char *editor = options.text_editor;
+ if (editor == NULL) {
+ screen_status_message(_("Editor not configured"));
+ return;
+ }
+
+ if (options.text_editor_ask) {
+ char *buf = g_strdup_printf(
+ _("Do you really want to start an editor and edit these lyrics [%s/%s]? "),
+ YES, NO);
+ bool really = screen_get_yesno(buf, false);
+ g_free(buf);
+ if (!really) {
+ screen_status_message(_("Aborted"));
+ return;
+ }
+ }
+
+ if (store_lyr_hd() < 0)
+ return;
+
+ ncu_deinit();
+
+ /* TODO: fork/exec/wait won't work on Windows, but building a command
+ string for system() is too tricky */
+ int status;
+ pid_t pid = fork();
+ if (pid == -1) {
+ screen_status_printf(("%s (%s)"), _("Can't start editor"), g_strerror(errno));
+ ncu_init();
+ return;
+ } else if (pid == 0) {
+ char path[1024];
+ path_lyr_file(path, sizeof(path), current.artist, current.title);
+ execlp(editor, editor, path, NULL);
+ /* exec failed, do what system does */
+ _exit(127);
+ } else {
+ int ret;
+ do {
+ ret = waitpid(pid, &status, 0);
+ } while (ret == -1 && errno == EINTR);
+ }
+
+ ncu_init();
+
+ /* TODO: hardly portable */
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status) == 0)
+ /* update to get the changes */
+ screen_lyrics_reload();
+ else if (WEXITSTATUS(status) == 127)
+ screen_status_message(_("Can't start editor"));
+ else
+ screen_status_printf(_("Editor exited unexpectedly (%d)"),
+ WEXITSTATUS(status));
+ } else if (WIFSIGNALED(status)) {
+ screen_status_printf(_("Editor exited unexpectedly (signal %d)"),
+ WTERMSIG(status));
+ }
+}
+
static bool
-lyrics_cmd(mpdclient_t *c, command_t cmd)
+lyrics_cmd(struct mpdclient *c, command_t cmd)
{
if (screen_text_cmd(&text, c, cmd))
return true;
screen_text_clear(&text);
}
return true;
- case CMD_ADD:
+ 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 true;
case CMD_LYRICS_UPDATE:
if (c->song != NULL) {
screen_lyrics_load(c->song);
- screen_text_repaint(&text);
+ screen_text_paint(&text);
}
return true;
+ case CMD_EDIT:
+ lyrics_edit();
+ return true;
+ case CMD_SELECT:
+ screen_lyrics_reload();
+ return true;
#ifdef ENABLE_SONG_SCREEN
- case CMD_VIEW:
+ 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) {
.init = lyrics_screen_init,
.exit = lyrics_exit,
.open = lyrics_open,
+ .update = lyrics_update,
.close = NULL,
.resize = lyrics_resize,
.paint = lyrics_paint,
};
void
-screen_lyrics_switch(struct mpdclient *c, const struct mpd_song *song)
+screen_lyrics_switch(struct mpdclient *c, const struct mpd_song *song, bool f)
{
assert(song != NULL);
- next_song = song;
+ follow = f;
+ next_song = mpd_song_dup(song);
screen_switch(&screen_lyrics, c);
}