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Further simplify terminal output

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Most mess has been eliminated now, I believe.

Also fixing a bug in row_buffer_space().
This commit is contained in:
Přemysl Eric Janouch 2016-10-07 22:15:46 +02:00
parent 44f114fc3b
commit 4480d3c0cf
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 30 additions and 31 deletions
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61
nncmpp.c
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@ -656,6 +656,7 @@ row_buffer_space (struct row_buffer *self, int width, chtype attrs)
sizeof *self->chars, (self->chars_alloc <<= 1));
struct row_char space = { .attrs = attrs, .c = ' ', .width = 1 };
self->total_width += width;
while (width-- > 0)
self->chars[self->chars_len++] = space;
}
@ -686,6 +687,13 @@ row_buffer_ellipsis (struct row_buffer *self, int target)
}
}
static void
row_buffer_align (struct row_buffer *self, int target, chtype attrs)
{
row_buffer_ellipsis (self, target);
row_buffer_space (self, target - self->total_width, attrs);
}
static void
row_buffer_print (uint32_t *ucs4, chtype attrs)
{
@ -731,7 +739,13 @@ app_invalidate (void)
poller_idle_set (&g_ctx.refresh_event);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
app_flush_buffer (struct row_buffer *buf, int width, chtype attrs)
{
row_buffer_align (buf, width, attrs);
row_buffer_flush (buf);
row_buffer_free (buf);
}
/// Write the given UTF-8 string padded with spaces.
/// @param[in] attrs Text attributes for the text, including padding.
@ -741,27 +755,16 @@ app_write_line (const char *str, chtype attrs)
struct row_buffer buf;
row_buffer_init (&buf);
row_buffer_append (&buf, str, attrs);
row_buffer_ellipsis (&buf, COLS);
row_buffer_space (&buf, COLS - buf.total_width, attrs);
row_buffer_flush (&buf);
row_buffer_free (&buf);
app_flush_buffer (&buf, COLS, attrs);
}
/// Clear a row in the header to be used and increment the listview offset
static void
app_next_row (chtype attrs)
{
mvwhline (stdscr, g_ctx.header_height++, 0, ' ' | attrs, COLS);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// We typically write here to a single buffer serving the entire line
static void
app_flush_buffer (struct row_buffer *buf, chtype attrs)
app_flush_header (struct row_buffer *buf, chtype attrs)
{
app_next_row (attrs);
row_buffer_ellipsis (buf, COLS);
row_buffer_flush (buf);
row_buffer_free (buf);
move (g_ctx.header_height++, 0);
app_flush_buffer (buf, COLS, attrs);
}
static void
@ -784,7 +787,7 @@ app_draw_song_info (void)
struct row_buffer buf;
row_buffer_init (&buf);
row_buffer_append (&buf, title, a_highlight);
app_flush_buffer (&buf, a_highlight);
app_flush_header (&buf, a_highlight);
}
char *artist = str_map_find (map, "artist");
@ -807,7 +810,7 @@ app_draw_song_info (void)
row_buffer_append (&buf, " ", a_normal);
row_buffer_addv (&buf, "from ", a_normal, album, a_highlight, NULL);
}
app_flush_buffer (&buf, a_normal);
app_flush_header (&buf, a_normal);
}
static void
@ -907,7 +910,6 @@ app_draw_status (void)
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)
{
@ -925,7 +927,7 @@ app_draw_status (void)
free (volume);
}
g_ctx.controls_offset = g_ctx.header_height;
app_flush_buffer (&buf, a_normal);
app_flush_header (&buf, a_normal);
}
static void
@ -944,11 +946,11 @@ app_draw_header (void)
app_draw_status ();
break;
case MPD_CONNECTING:
app_next_row (APP_ATTR (HEADER));
move (g_ctx.header_height++, 0);
app_write_line ("Connecting to MPD...", APP_ATTR (HEADER));
break;
case MPD_DISCONNECTED:
app_next_row (APP_ATTR (HEADER));
move (g_ctx.header_height++, 0);
app_write_line ("Disconnected", APP_ATTR (HEADER));
}
@ -969,7 +971,7 @@ app_draw_header (void)
row_buffer_append (&buf, iter->name,
iter == g_ctx.active_tab ? a_active : a_normal);
}
app_flush_buffer (&buf, a_normal);
app_flush_header (&buf, a_normal);
}
static int
@ -1082,10 +1084,8 @@ app_draw_view (void)
*attrs |= row_attrs;
}
mvwhline (stdscr, g_ctx.header_height + row, 0, ' ' | row_attrs, COLS);
row_buffer_ellipsis (&buf, view_width);
row_buffer_flush (&buf);
row_buffer_free (&buf);
move (g_ctx.header_height + row, 0);
app_flush_buffer (&buf, view_width, row_attrs);
}
if (want_scrollbar)
@ -1691,8 +1691,7 @@ debug_tab_on_item_draw (size_t item_index, struct row_buffer *buffer, int width)
row_buffer_append (buffer, item->text, item->attrs);
// We override the formatting including colors -- do it for the whole line
row_buffer_ellipsis (buffer, width);
row_buffer_space (buffer, width - buffer->total_width, item->attrs);
row_buffer_align (buffer, width, item->attrs);
}
static void
@ -2158,7 +2157,7 @@ app_log_handler (void *user_data, const char *quote, const char *fmt,
else
{
// TODO: remember the position and restore it
mvwhline (stdscr, LINES - 1, 0, A_REVERSE, COLS);
move (LINES - 1, 0);
app_write_line (message.str, A_REVERSE);
}
str_free (&message);