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diff --git a/src/screen_song.c b/src/screen_song.c
index 2d8af072fa9d4749988606f8fd11dd91779433da..086768cec6b058f353604cf1b3df2bfd35156846 100644 (file)
--- a/src/screen_song.c
+++ b/src/screen_song.c
/* ncmpc (Ncurses MPD Client)
- * (c) 2004-2009 The Music Player Daemon Project
+ * (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
* 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.,
* 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 "utils.h"
+#include "mpdclient.h"
+
+#include <mpd/client.h>
+
+#include <glib/gprintf.h>
+#include <assert.h>
+#include <string.h>
+
+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 list_window_t *lw;
+static struct mpd_song *next_song;
static struct {
- struct mpd_song *song;
+ struct mpd_song *selected_song;
+ struct mpd_song *played_song;
GPtrArray *lines;
} current;
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;
+ assert(idx < current.lines->len);
- value = utf8_to_locale(g_ptr_array_index(current.lines, idx));
- g_strlcpy(buffer, value, sizeof(buffer));
- g_free(value);
-
- 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->hide_cursor = true;
}
}
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");
}
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 */
+ 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_cmd(mpdclient_t *c, command_t cmd)
+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)
{
- if (list_window_scroll_cmd(lw, current.lines->len, cmd)) {
- screen_song_repaint();
+ /* 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(struct mpdclient *c, command_t cmd)
+{
+ 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;
}
#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;
}
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);
}