From e4f3f8ebf0431357245db5fbddbef886f4736e65 Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Sun, 2 Oct 2016 01:15:52 +0200 Subject: Finish display of the top part --- README.adoc | 2 +- nncmpp.c | 231 ++++++++++++++++++++++++++++++++++-------------------------- 2 files changed, 131 insertions(+), 102 deletions(-) diff --git a/README.adoc b/README.adoc index 6902bac..661d79a 100644 --- a/README.adoc +++ b/README.adoc @@ -13,7 +13,7 @@ I focus on things that aren't worthless to me. If it's not obvious enough, the name is a pun on all those ridiculous client names, and should be pronounced as "nincompoop". -Currently it's under development and doesn't work in any sense yet. +Currently it's under development and doesn't do much. Packages -------- diff --git a/nncmpp.c b/nncmpp.c index 0262b60..c8f964f 100644 --- a/nncmpp.c +++ b/nncmpp.c @@ -199,7 +199,7 @@ static struct app_context // Connection: struct mpd_client client; ///< MPD client interface - struct poller_timer reconnect_event;///< MPD reconnect timer + struct poller_timer connect_event; ///< MPD reconnect timer enum player_state state; ///< Player state struct str_map song_info; ///< Current song info @@ -540,6 +540,24 @@ row_buffer_append (struct row_buffer *self, const char *str, chtype attrs) } } +static void +row_buffer_addv (struct row_buffer *self, const char *s, ...) + ATTRIBUTE_SENTINEL; + +static void +row_buffer_addv (struct row_buffer *self, const char *s, ...) +{ + va_list ap; + va_start (ap, s); + + while (s) + { + row_buffer_append (self, s, va_arg (ap, chtype)); + s = va_arg (ap, const char *); + } + va_end (ap); +} + /// Pop as many codepoints as needed to free up "space" character cells. /// Given the suffix nature of combining marks, this should work pretty fine. static int @@ -655,7 +673,7 @@ help_tab_create () return super; } -// --- Application ------------------------------------------------------------- +// --- Rendering --------------------------------------------------------------- /// Write the given UTF-8 string padded with spaces. /// @param[in] n The number of characters to write, or -1 for the whole string. @@ -692,144 +710,155 @@ app_next_row (chtype attrs) mvwhline (stdscr, g_ctx.list_offset++, 0, ' ' | attrs, COLS); } -static size_t -app_write_time (int seconds, chtype attrs) +// We typically write here to a single buffer serving the entire line +static void +app_flush_buffer (struct row_buffer *buf, chtype attrs) { - int minutes = seconds / 60; seconds %= 60; - int hours = minutes / 60; hours %= 60; - - struct str s; - str_init (&s); - - if (hours) - { - str_append_printf (&s, "%d:", hours); - str_append_printf (&s, "%02d:", minutes); - } - else - str_append_printf (&s, "%d:", minutes); + if (buf->total_width > COLS) + row_buffer_ellipsis (buf, COLS, attrs); - str_append_printf (&s, "%02d", seconds); - size_t result = app_write_utf8 (s.str, attrs, -1); - str_free (&s); - return result; + app_next_row (attrs); + row_buffer_flush (buf); + row_buffer_free (buf); } static void -app_redraw_status (void) +app_redraw_song_info (void) { - chtype normal = APP_ATTR (HEADER); - chtype highlight = APP_ATTR (HIGHLIGHT); - - if (g_ctx.state == PLAYER_STOPPED) - goto line; - // The map doesn't need to be initialized at all, so we need to check struct str_map *map = &g_ctx.song_info; if (!soft_assert (map->len != 0)) return; + // XXX: can we get rid of this and still make it look acceptable? + chtype a_normal = APP_ATTR (HEADER); + chtype a_highlight = APP_ATTR (HIGHLIGHT); + char *title; if ((title = str_map_find (map, "title")) || (title = str_map_find (map, "name")) || (title = str_map_find (map, "file"))) { - app_next_row (normal); - struct row_buffer buf; row_buffer_init (&buf); - row_buffer_append (&buf, title, highlight); - if (buf.total_width > COLS) - row_buffer_ellipsis (&buf, COLS, highlight); - row_buffer_flush (&buf); - row_buffer_free (&buf); + row_buffer_append (&buf, title, a_highlight); + app_flush_buffer (&buf, a_highlight); } char *artist = str_map_find (map, "artist"); char *album = str_map_find (map, "album"); - if (artist || album) + if (!artist && !album) + return; + + struct row_buffer buf; + row_buffer_init (&buf); + + if (artist) { - app_next_row (normal); + if (buf.total_width) + row_buffer_append (&buf, " ", a_normal); + row_buffer_addv (&buf, "by ", a_normal, artist, a_highlight, NULL); + } + if (album) + { + if (buf.total_width) + row_buffer_append (&buf, " ", a_normal); + row_buffer_addv (&buf, "from ", a_normal, album, a_highlight, NULL); + } + app_flush_buffer (&buf, a_normal); +} - struct row_buffer buf; - row_buffer_init (&buf); +static void +app_write_time (struct row_buffer *buf, int seconds, chtype attrs) +{ + int minutes = seconds / 60; seconds %= 60; + int hours = minutes / 60; hours %= 60; - bool first = true; - if (artist) - { - if (!first) row_buffer_append (&buf, " ", normal); - row_buffer_append (&buf, "by ", normal); - row_buffer_append (&buf, artist, highlight); - first = false; - } - if (album) - { - if (!first) row_buffer_append (&buf, " ", normal); - row_buffer_append (&buf, "from ", normal); - row_buffer_append (&buf, album, highlight); - first = false; - } + struct str s; + str_init (&s); - if (buf.total_width > COLS) - row_buffer_ellipsis (&buf, COLS, normal); - row_buffer_flush (&buf); - row_buffer_free (&buf); - } + if (hours) + str_append_printf (&s, "%d:%02d:", hours, minutes); + else + str_append_printf (&s, "%d:", minutes); -line: - app_next_row (normal); + str_append_printf (&s, "%02d", seconds); + row_buffer_append (buf, s.str, attrs); + str_free (&s); +} - bool stopped = g_ctx.state == PLAYER_STOPPED; - chtype active = stopped ? normal : highlight; +static void +app_redraw_status (void) +{ + if (g_ctx.state != PLAYER_STOPPED) + app_redraw_song_info (); + + // XXX: can we get rid of this and still make it look acceptable? + chtype a_normal = APP_ATTR (HEADER); + chtype a_highlight = APP_ATTR (HIGHLIGHT); - // TODO: we desperately need some better abstractions for this; - // at minimum we need to count characters already written - app_write_utf8 ("<<", active, -1); - addch (' ' | normal); + struct row_buffer buf; + row_buffer_init (&buf); + bool stopped = g_ctx.state == PLAYER_STOPPED; + + chtype a_song_action = stopped ? a_normal : a_highlight; + row_buffer_addv (&buf, "<<", a_song_action, " ", a_normal, NULL); if (g_ctx.state == PLAYER_PLAYING) - app_write_utf8 ("||", highlight, -1); + row_buffer_addv (&buf, "||", a_highlight, " ", a_normal, NULL); else - app_write_utf8 ("|>", highlight, -1); - addch (' ' | normal); - - app_write_utf8 ("[]", active, -1); - addch (' ' | normal); - app_write_utf8 (">>", active, -1); - addch (' ' | normal); - addch (' ' | normal); + row_buffer_addv (&buf, "|>", a_highlight, " ", a_normal, NULL); + row_buffer_addv (&buf, "[]", a_song_action, " ", a_normal, NULL); + row_buffer_addv (&buf, ">>", a_song_action, " ", a_normal, NULL); if (stopped) - app_write_utf8 ("Stopped", normal, COLS); + row_buffer_append (&buf, "Stopped", a_normal); else { - // TODO: convert the display to minutes if (g_ctx.song_elapsed >= 0) { - app_write_time (g_ctx.song_elapsed, normal); - addch (' ' | normal); + app_write_time (&buf, g_ctx.song_elapsed, a_normal); + row_buffer_append (&buf, " ", a_normal); } - if (g_ctx.song_duration >= 0) + if (g_ctx.song_duration >= 1) { - addch ('/' | normal); - addch (' ' | normal); - app_write_time (g_ctx.song_duration, normal); - addch (' ' | normal); + row_buffer_append (&buf, "/ ", a_normal); + app_write_time (&buf, g_ctx.song_duration, a_normal); + row_buffer_append (&buf, " ", a_normal); } - addch (' ' | normal); + row_buffer_append (&buf, " ", a_normal); + } - if (g_ctx.song_elapsed >= 0 && g_ctx.song_duration >= 0) - { - // TODO: display a gauge representing the same information, - // attributes BAR_ELAPSED and BAR_REMAINS - } - else - { - // TODO: just fill the space - } + // It gets a bit complicated due to the only right-aligned item on the row + char *volume = NULL; + int remaining = COLS - buf.total_width; + if (g_ctx.volume >= 0) + { + volume = xstrdup_printf (" %3d%%", g_ctx.volume); + remaining -= strlen (volume); + } + + // TODO: store the coordinates of the progress bar + if (!stopped && g_ctx.song_elapsed >= 0 && g_ctx.song_duration >= 1 + && remaining > 0) + { + int len_elapsed = (int) ((float) g_ctx.song_elapsed + / g_ctx.song_duration * remaining + 0.5); + int len_remains = remaining - len_elapsed; + while (len_elapsed-- > 0) + row_buffer_append (&buf, " ", APP_ATTR (ELAPSED)); + while (len_remains-- > 0) + row_buffer_append (&buf, " ", APP_ATTR (REMAINS)); } + else while (remaining-- > 0) + row_buffer_append (&buf, " ", a_normal); - // TODO: append the volume value if available + if (volume) + { + row_buffer_append (&buf, volume, a_normal); + free (volume); + } + app_flush_buffer (&buf, a_normal); } static void @@ -915,7 +944,7 @@ app_redraw (void) app_redraw_view (); } -// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +// --- Actions ----------------------------------------------------------------- /// Scroll up @a n items. Doesn't redraw. static bool @@ -1427,7 +1456,7 @@ mpd_on_events (unsigned subsystems, void *user_data) static void mpd_queue_reconnect (void) { - poller_timer_set (&g_ctx.reconnect_event, 5 * 1000); + poller_timer_set (&g_ctx.connect_event, 5 * 1000); } static void @@ -1624,9 +1653,9 @@ app_init_poller_events (void) poller_timer_init (&g_ctx.tk_timer, &g_ctx.poller); g_ctx.tk_timer.dispatcher = app_on_key_timer; - poller_timer_init (&g_ctx.reconnect_event, &g_ctx.poller); - g_ctx.reconnect_event.dispatcher = app_on_reconnect; - poller_timer_set (&g_ctx.reconnect_event, 0); + poller_timer_init (&g_ctx.connect_event, &g_ctx.poller); + g_ctx.connect_event.dispatcher = app_on_reconnect; + poller_timer_set (&g_ctx.connect_event, 0); poller_timer_init (&g_ctx.elapsed_event, &g_ctx.poller); g_ctx.elapsed_event.dispatcher = mpd_on_tick; -- cgit v1.2.3-70-g09d2