From 7e35164e775ee3c395ed42805fc9e3692d50cfe1 Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Sun, 2 Oct 2016 03:17:07 +0200 Subject: Finer progress bar thanks to Unicode --- nncmpp.c | 38 +++++++++++++++++++++++++++++++------- 1 file changed, 31 insertions(+), 7 deletions(-) diff --git a/nncmpp.c b/nncmpp.c index c8f964f..9628861 100644 --- a/nncmpp.c +++ b/nncmpp.c @@ -787,6 +787,35 @@ app_write_time (struct row_buffer *buf, int seconds, chtype attrs) str_free (&s); } +static void +app_write_gauge (struct row_buffer *buf, float ratio, int width) +{ + // Always compute it in exactly eight times the resolution, + // because sometimes Unicode is even useful + int len_left = ratio * width * 8 + 0.5; + + static const char *partials[] = { " ", "▏", "▎", "▍", "▌", "▋", "▊", "▉"}; + int remainder = len_left % N_ELEMENTS (partials); + len_left /= N_ELEMENTS (partials); + + // Assuming that if we can show the 1/8 box then we can show them all + const char *partial = NULL; + // TODO: cache this setting and make it configurable since it doesn't seem + // to work 100% (e.g. incompatible with undelining in urxvt) + if (!app_is_character_in_locale (L'▏')) + len_left += remainder >= (int) N_ELEMENTS (partials) / 2; + else + partial = partials[remainder]; + + int len_right = width - len_left; + while (len_left-- > 0) + row_buffer_append (buf, " ", APP_ATTR (ELAPSED)); + if (partial && len_right-- > 0) + row_buffer_append (buf, partial, APP_ATTR (REMAINS)); + while (len_right-- > 0) + row_buffer_append (buf, " ", APP_ATTR (REMAINS)); +} + static void app_redraw_status (void) { @@ -842,13 +871,8 @@ app_redraw_status (void) 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)); + app_write_gauge (&buf, + (float) g_ctx.song_elapsed / g_ctx.song_duration, remaining); } else while (remaining-- > 0) row_buffer_append (&buf, " ", a_normal); -- cgit v1.2.3-70-g09d2