X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fscreen_song.c;h=d7b6d2c51d5b4feb7e52be03d6d39f67bb838064;hb=c4aca0137a7a819270eabb3092e655ccaa721065;hp=2c73ea6f5ff5c436a6e3b875cd7f9dcbac67c7c0;hpb=45352152fbdcac20b39161069406ad6d5288bd98;p=ncmpc.git diff --git a/src/screen_song.c b/src/screen_song.c index 2c73ea6..d7b6d2c 100644 --- a/src/screen_song.c +++ b/src/screen_song.c @@ -1,5 +1,6 @@ -/* - * Copyright (C) 2008 Max Kellermann +/* 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 @@ -10,21 +11,86 @@ * 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 "screen_song.h" +#include "screen_interface.h" +#include "screen_file.h" +#include "screen_lyrics.h" +#include "screen_find.h" #include "i18n.h" #include "screen.h" -#include "screen_utils.h" #include "charset.h" +#include "time_format.h" +#include "mpdclient.h" -static list_window_t *lw; +#include -struct { - struct mpd_song *song; +#include +#include +#include + +enum { + LABEL_LENGTH = MPD_TAG_COUNT, + LABEL_PATH, + LABEL_BITRATE, + LABEL_FORMAT, + LABEL_POSITION, +}; + +static const char *const tag_labels[] = { + [MPD_TAG_ARTIST] = N_("Artist"), + [MPD_TAG_TITLE] = N_("Title"), + [MPD_TAG_ALBUM] = N_("Album"), + [LABEL_LENGTH] = N_("Length"), + [LABEL_POSITION] = N_("Position"), + [MPD_TAG_COMPOSER] = N_("Composer"), + [MPD_TAG_NAME] = N_("Name"), + [MPD_TAG_DISC] = N_("Disc"), + [MPD_TAG_TRACK] = N_("Track"), + [MPD_TAG_DATE] = N_("Date"), + [MPD_TAG_GENRE] = N_("Genre"), + [MPD_TAG_COMMENT] = N_("Comment"), + [LABEL_PATH] = N_("Path"), + [LABEL_BITRATE] = N_("Bitrate"), + [LABEL_FORMAT] = N_("Format"), +}; + +static unsigned max_tag_label_width; + +enum stats_label { + STATS_ARTISTS, + STATS_ALBUMS, + STATS_SONGS, + STATS_UPTIME, + STATS_DBUPTIME, + STATS_PLAYTIME, + STATS_DBPLAYTIME, +}; + +static const char *const stats_labels[] = { + [STATS_ARTISTS] = N_("Number of artists"), + [STATS_ALBUMS] = N_("Number of albums"), + [STATS_SONGS] = N_("Number of songs"), + [STATS_UPTIME] = N_("Uptime"), + [STATS_DBUPTIME] = N_("Most recent db update"), + [STATS_PLAYTIME] = N_("Playtime"), + [STATS_DBPLAYTIME] = N_("DB playtime"), +}; + +static unsigned max_stats_label_width; + +static struct list_window *lw; + +static struct mpd_song *next_song; + +static struct { + struct mpd_song *selected_song; + struct mpd_song *played_song; GPtrArray *lines; } current; @@ -36,49 +102,50 @@ screen_song_clear(void) g_ptr_array_set_size(current.lines, 0); - if (current.song != NULL) { - mpd_freeSong(current.song); - current.song = NULL; + if (current.selected_song != NULL) { + mpd_song_free(current.selected_song); + current.selected_song = NULL; + } + if (current.played_song != NULL) { + mpd_song_free(current.played_song); + current.played_song = NULL; } -} - -static void -screen_song_paint(void); - -/** - * Repaint and update the screen. - */ -static void -screen_song_repaint(void) -{ - screen_song_paint(); - wrefresh(lw->w); } static const char * -screen_song_list_callback(unsigned idx, G_GNUC_UNUSED bool *highlight, - G_GNUC_UNUSED void *data) +screen_song_list_callback(unsigned idx, gcc_unused void *data) { - static char buffer[256]; - char *value; - - if (idx >= current.lines->len) - return NULL; - - value = utf8_to_locale(g_ptr_array_index(current.lines, idx)); - g_strlcpy(buffer, value, sizeof(buffer)); - g_free(value); + assert(idx < current.lines->len); - return buffer; + return g_ptr_array_index(current.lines, idx); } static void -screen_song_init(WINDOW *w, int cols, int rows) +screen_song_init(WINDOW *w, unsigned cols, unsigned rows) { - current.lines = g_ptr_array_new(); + for (unsigned i = 0; i < G_N_ELEMENTS(tag_labels); ++i) { + if (tag_labels[i] != NULL) { + unsigned width = utf8_width(_(tag_labels[i])); + + if (width > max_tag_label_width) + max_tag_label_width = width; + } + } + + for (unsigned i = 0; i < G_N_ELEMENTS(stats_labels); ++i) { + if (stats_labels[i] != NULL) { + unsigned width = utf8_width(_(stats_labels[i])); + + if (width > max_stats_label_width) + max_stats_label_width = width; + } + } + + /* We will need at least 10 lines, so this saves 10 reallocations :) */ + current.lines = g_ptr_array_sized_new(10); lw = list_window_init(w, cols, rows); - lw->flags = LW_HIDE_CURSOR; + lw->hide_cursor = true; } static void @@ -93,14 +160,13 @@ screen_song_exit(void) } static void -screen_song_resize(int cols, int rows) +screen_song_resize(unsigned cols, unsigned rows) { - lw->cols = cols; - lw->rows = rows; + list_window_resize(lw, cols, rows); } static const char * -screen_song_title(G_GNUC_UNUSED char *str, G_GNUC_UNUSED size_t size) +screen_song_title(gcc_unused char *str, gcc_unused size_t size) { return _("Song viewer"); } @@ -111,18 +177,297 @@ screen_song_paint(void) list_window_paint(lw, screen_song_list_callback, NULL); } +/* Appends a line with a fixed width for the label column + * Handles NULL strings gracefully */ +static void +screen_song_append(const char *label, const char *value, unsigned label_col) +{ + const unsigned label_width = locale_width(label) + 2; + + assert(label != NULL); + assert(value != NULL); + assert(g_utf8_validate(value, -1, NULL)); + + /* +2 for ': ' */ + label_col += 2; + const int value_col = lw->cols - label_col; + /* calculate the number of required linebreaks */ + const gchar *value_iter = value; + const int label_size = strlen(label) + label_col; + + while (*value_iter != 0) { + char *entry = g_malloc(label_size), *entry_iter; + if (value_iter == value) { + entry_iter = entry + g_sprintf(entry, "%s: ", label); + /* fill the label column with whitespaces */ + memset(entry_iter, ' ', label_col - label_width); + entry_iter += label_col - label_width; + } + else { + /* fill the label column with whitespaces */ + memset(entry, ' ', label_col); + entry_iter = entry + label_col; + } + /* skip whitespaces */ + while (g_ascii_isspace(*value_iter)) ++value_iter; + + char *p = g_strdup(value_iter); + unsigned width = utf8_cut_width(p, value_col); + if (width == 0) { + /* not enough room for anything - bail out */ + g_free(entry); + g_free(p); + break; + } + + *entry_iter = 0; + + value_iter += strlen(p); + p = replace_utf8_to_locale(p); + char *q = g_strconcat(entry, p, NULL); + g_free(entry); + g_free(p); + + g_ptr_array_add(current.lines, q); + } +} + +static void +screen_song_append_tag(const struct mpd_song *song, enum mpd_tag_type tag) +{ + const char *label = _(tag_labels[tag]); + unsigned i = 0; + const char *value; + + assert((unsigned)tag < G_N_ELEMENTS(tag_labels)); + assert(label != NULL); + + while ((value = mpd_song_get_tag(song, tag, i++)) != NULL) + screen_song_append(label, value, max_tag_label_width); +} + +static void +screen_song_add_song(const struct mpd_song *song) +{ + assert(song != NULL); + + char songpos[16]; + g_snprintf(songpos, sizeof(songpos), "%d", mpd_song_get_pos(song) + 1); + screen_song_append(_(tag_labels[LABEL_POSITION]), songpos, + max_tag_label_width); + + screen_song_append_tag(song, MPD_TAG_ARTIST); + screen_song_append_tag(song, MPD_TAG_TITLE); + screen_song_append_tag(song, MPD_TAG_ALBUM); + + /* create time string and add it */ + if (mpd_song_get_duration(song) > 0) { + char length[16]; + format_duration_short(length, sizeof(length), + mpd_song_get_duration(song)); + + const char *value = length; + + char buffer[64]; + + if (mpd_song_get_end(song) > 0) { + char start[16], end[16]; + format_duration_short(start, sizeof(start), + mpd_song_get_start(song)); + format_duration_short(end, sizeof(end), + mpd_song_get_end(song)); + + snprintf(buffer, sizeof(buffer), "%s [%s-%s]\n", + length, start, end); + value = buffer; + } else if (mpd_song_get_start(song) > 0) { + char start[16]; + format_duration_short(start, sizeof(start), + mpd_song_get_start(song)); + + snprintf(buffer, sizeof(buffer), "%s [%s-]\n", + length, start); + value = buffer; + } + + screen_song_append(_(tag_labels[LABEL_LENGTH]), value, + max_tag_label_width); + } + + screen_song_append_tag(song, MPD_TAG_COMPOSER); + screen_song_append_tag(song, MPD_TAG_NAME); + screen_song_append_tag(song, MPD_TAG_DISC); + screen_song_append_tag(song, MPD_TAG_TRACK); + screen_song_append_tag(song, MPD_TAG_DATE); + screen_song_append_tag(song, MPD_TAG_GENRE); + screen_song_append_tag(song, MPD_TAG_COMMENT); + + screen_song_append(_(tag_labels[LABEL_PATH]), mpd_song_get_uri(song), + max_tag_label_width); +} + +static void +screen_song_append_stats(enum stats_label label, const char *value) +{ + screen_song_append(_(stats_labels[label]), value, + max_stats_label_width); +} + +static bool +screen_song_add_stats(struct mpd_connection *connection) +{ + struct mpd_stats *mpd_stats = mpd_run_stats(connection); + if (mpd_stats == NULL) + return false; + + g_ptr_array_add(current.lines, g_strdup(_("MPD statistics")) ); + + char buf[64]; + g_snprintf(buf, sizeof(buf), "%d", + mpd_stats_get_number_of_artists(mpd_stats)); + screen_song_append_stats(STATS_ARTISTS, buf); + g_snprintf(buf, sizeof(buf), "%d", + mpd_stats_get_number_of_albums(mpd_stats)); + screen_song_append_stats(STATS_ALBUMS, buf); + g_snprintf(buf, sizeof(buf), "%d", + mpd_stats_get_number_of_songs(mpd_stats)); + screen_song_append_stats(STATS_SONGS, buf); + + format_duration_long(buf, sizeof(buf), + mpd_stats_get_db_play_time(mpd_stats)); + screen_song_append_stats(STATS_DBPLAYTIME, buf); + + format_duration_long(buf, sizeof(buf), + mpd_stats_get_play_time(mpd_stats)); + screen_song_append_stats(STATS_PLAYTIME, buf); + + format_duration_long(buf, sizeof(buf), + mpd_stats_get_uptime(mpd_stats)); + screen_song_append_stats(STATS_UPTIME, buf); + + GDate *date = g_date_new(); + g_date_set_time_t(date, mpd_stats_get_db_update_time(mpd_stats)); + g_date_strftime(buf, sizeof(buf), "%x", date); + screen_song_append_stats(STATS_DBUPTIME, buf); + g_date_free(date); + + mpd_stats_free(mpd_stats); + return true; +} + +static void +audio_format_to_string(char *buffer, size_t size, + const struct mpd_audio_format *format) +{ +#if LIBMPDCLIENT_CHECK_VERSION(2,10,0) + if (format->bits == MPD_SAMPLE_FORMAT_FLOAT) { + g_snprintf(buffer, size, "%u:f:%u", + format->sample_rate, + format->channels); + return; + } + + if (format->bits == MPD_SAMPLE_FORMAT_DSD) { + if (format->sample_rate > 0 && + format->sample_rate % 44100 == 0) { + /* use shortcuts such as "dsd64" which implies the + sample rate */ + g_snprintf(buffer, size, "dsd%u:%u", + format->sample_rate * 8 / 44100, + format->channels); + return; + } + + g_snprintf(buffer, size, "%u:dsd:%u", + format->sample_rate, + format->channels); + return; + } +#endif + + g_snprintf(buffer, size, "%u:%u:%u", + format->sample_rate, format->bits, + format->channels); +} + +static void +screen_song_update(struct mpdclient *c) +{ + /* Clear all lines */ + for (guint i = 0; i < current.lines->len; ++i) + g_free(g_ptr_array_index(current.lines, i)); + g_ptr_array_set_size(current.lines, 0); + + /* If a song was selected before the song screen was opened */ + if (next_song != NULL) { + assert(current.selected_song == NULL); + current.selected_song = next_song; + next_song = NULL; + } + + if (current.selected_song != NULL && + (c->song == NULL || + strcmp(mpd_song_get_uri(current.selected_song), + mpd_song_get_uri(c->song)) != 0 || + !mpdclient_is_playing(c))) { + g_ptr_array_add(current.lines, g_strdup(_("Selected song")) ); + screen_song_add_song(current.selected_song); + g_ptr_array_add(current.lines, g_strdup("\0")); + } + + if (c->song != NULL && mpdclient_is_playing(c)) { + if (current.played_song != NULL) { + mpd_song_free(current.played_song); + } + current.played_song = mpd_song_dup(c->song); + g_ptr_array_add(current.lines, g_strdup(_("Currently playing song"))); + screen_song_add_song(current.played_song); + + if (mpd_status_get_kbit_rate(c->status) > 0) { + char buf[16]; + g_snprintf(buf, sizeof(buf), _("%d kbps"), + mpd_status_get_kbit_rate(c->status)); + screen_song_append(_(tag_labels[LABEL_BITRATE]), buf, + max_tag_label_width); + } + + const struct mpd_audio_format *format = + mpd_status_get_audio_format(c->status); + if (format) { + char buf[32]; + audio_format_to_string(buf, sizeof(buf), format); + screen_song_append(_(tag_labels[LABEL_FORMAT]), buf, + max_tag_label_width); + } + + g_ptr_array_add(current.lines, g_strdup("\0")); + } + + /* Add some statistics about mpd */ + struct mpd_connection *connection = mpdclient_get_connection(c); + if (connection != NULL && !screen_song_add_stats(connection)) + mpdclient_handle_error(c); + + list_window_set_length(lw, current.lines->len); + screen_song_paint(); +} + static bool -screen_song_cmd(mpdclient_t *c, command_t cmd) +screen_song_cmd(struct mpdclient *c, command_t cmd) { - if (list_window_scroll_cmd(lw, current.lines->len, cmd)) { - screen_song_repaint(); + if (list_window_scroll_cmd(lw, cmd)) { + screen_song_paint(); return true; } switch(cmd) { case CMD_LOCATE: - if (current.song != NULL) { - screen_file_goto_song(c, current.song); + if (current.selected_song != NULL) { + screen_file_goto_song(c, current.selected_song); + return true; + } + if (current.played_song != NULL) { + screen_file_goto_song(c, current.played_song); return true; } @@ -130,23 +475,34 @@ screen_song_cmd(mpdclient_t *c, command_t cmd) #ifdef ENABLE_LYRICS_SCREEN case CMD_SCREEN_LYRICS: - if (current.song != NULL) { - screen_lyrics_switch(c, current.song); + if (current.selected_song != NULL) { + screen_lyrics_switch(c, current.selected_song, false); + return true; + } + if (current.played_song != NULL) { + screen_lyrics_switch(c, current.played_song, true); return true; } - return false; + #endif + case CMD_SCREEN_SWAP: + if (current.selected_song != NULL) + screen_swap(c, current.selected_song); + else + // No need to check if this is null - we'd pass null anyway + screen_swap(c, current.played_song); + return true; + default: break; } - if (screen_find(lw, current.lines->len, - cmd, screen_song_list_callback, NULL)) { + if (screen_find(lw, cmd, screen_song_list_callback, NULL)) { /* center the row */ - list_window_center(lw, current.lines->len, lw->selected); - screen_song_repaint(); + list_window_center(lw, lw->selected); + screen_song_paint(); return true; } @@ -156,44 +512,22 @@ screen_song_cmd(mpdclient_t *c, command_t cmd) const struct screen_functions screen_song = { .init = screen_song_init, .exit = screen_song_exit, + .open = screen_song_update, + .close = screen_song_clear, .resize = screen_song_resize, .paint = screen_song_paint, + .update = screen_song_update, .cmd = screen_song_cmd, .get_title = screen_song_title, }; -static void -screen_song_append(const char *label, const char *value) -{ - assert(label != NULL); - - if (value != NULL) - g_ptr_array_add(current.lines, - g_strdup_printf("%s: %s", label, value)); -} - void screen_song_switch(struct mpdclient *c, const struct mpd_song *song) { assert(song != NULL); - assert(song->file != NULL); - - screen_song_clear(); - - current.song = mpd_songDup(song); - - g_ptr_array_add(current.lines, g_strdup(song->file)); - - screen_song_append(_("Artist"), song->artist); - screen_song_append(_("Title"), song->title); - screen_song_append(_("Album"), song->album); - screen_song_append(_("Composer"), song->composer); - screen_song_append(_("Name"), song->name); - screen_song_append(_("Disc"), song->disc); - screen_song_append(_("Track"), song->track); - screen_song_append(_("Date"), song->date); - screen_song_append(_("Genre"), song->genre); - screen_song_append(_("Comment"), song->comment); + assert(current.selected_song == NULL); + assert(current.played_song == NULL); + next_song = mpd_song_dup(song); screen_switch(&screen_song, c); }