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sdtui: minor rendering clean-up

This commit is contained in:
Přemysl Eric Janouch 2021-10-11 20:23:17 +02:00
parent 6f569e076e
commit 9b220b74cc
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 60 additions and 53 deletions
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109
src/sdtui.c
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@ -242,8 +242,9 @@ struct application
struct attrs attrs[ATTRIBUTE_COUNT];
};
/// Shortcut to retrieve named terminal attributes
/// Shortcuts to retrieve named terminal attributes
#define APP_ATTR(name) self->attrs[ATTRIBUTE_ ## name].attrs
#define APP_ATTR_IF(b, name1, name2) ((b) ? APP_ATTR (name1) : APP_ATTR (name2))
/// Returns if the Unicode character is representable in the current locale.
static gboolean
@ -846,12 +847,15 @@ struct row_buffer
int total_width; ///< Total width of all characters
};
static void
row_buffer_init (RowBuffer *self, Application *app)
static RowBuffer
row_buffer_make (Application *app)
{
self->app = app;
self->chars = g_array_new (FALSE, TRUE, sizeof (RowChar));
self->total_width = 0;
return (RowBuffer)
{
.app = app,
.chars = g_array_new (FALSE, TRUE, sizeof (RowChar)),
.total_width = 0,
};
}
#define row_buffer_free(self) g_array_unref ((self)->chars)
@ -861,6 +865,9 @@ static void
row_buffer_append_length (RowBuffer *self,
const gchar *text, glong length, chtype attrs)
{
if (length == 0)
return;
glong ucs4_len;
gunichar *ucs4 = g_utf8_to_ucs4_fast (text, length, &ucs4_len);
for (glong i = 0; i < ucs4_len; i++)
@ -1015,21 +1022,20 @@ row_buffer_finish (RowBuffer *self, int width, chtype attrs)
static void
app_redraw_top (Application *self)
{
RowBuffer buf;
row_buffer_init (&buf, self);
RowBuffer buf = row_buffer_make (self);
row_buffer_append (&buf, APP_TITLE, APP_ATTR (HEADER) | A_BOLD);
for (guint i = 0; i < self->dictionaries->len; i++)
{
Dictionary *dict = &g_array_index (self->dictionaries, Dictionary, i);
row_buffer_append (&buf, dict->name,
(self->dictionaries->len > 1 && self->dict == dict->dict)
? APP_ATTR (ACTIVE) : APP_ATTR (HEADER));
APP_ATTR_IF (self->dictionaries->len > 1
&& self->dict == dict->dict, ACTIVE, HEADER));
}
move (0, 0);
row_buffer_finish (&buf, COLS, APP_ATTR (HEADER));
row_buffer_init (&buf, self);
buf = row_buffer_make (self);
row_buffer_append (&buf, self->search_label, APP_ATTR (SEARCH));
gsize indent = buf.total_width;
@ -1088,8 +1094,7 @@ app_show_message (Application *self, const gchar *lines[], gsize len)
if (x < 0)
x = 0;
RowBuffer buf;
row_buffer_init (&buf, self);
RowBuffer buf = row_buffer_make (self);
row_buffer_append (&buf, *lines, 0);
move (TOP_BAR_CUTOFF + i, x);
row_buffer_finish (&buf, -1, 0);
@ -1118,6 +1123,28 @@ app_show_help (Application *self)
app_show_message (self, lines, G_N_ELEMENTS (lines));
}
static void
app_draw_word (Application *self,
ViewEntry *ve, size_t common_prefix, int width, chtype attrs)
{
RowBuffer buf = row_buffer_make (self);
row_buffer_append_length (&buf, ve->word, common_prefix, attrs | A_BOLD);
row_buffer_append (&buf, ve->word + common_prefix, attrs);
row_buffer_finish (&buf, width, attrs);
}
static void
app_draw_definition (Application *self,
ViewEntry *ve, guint index, int width, chtype attrs)
{
RowBuffer buf = row_buffer_make (self);
row_buffer_append (&buf, " ", attrs);
row_buffer_append_with_formatting (&buf,
g_ptr_array_index (ve->definitions, index),
g_ptr_array_index (ve->formatting, index), attrs);
row_buffer_finish (&buf, width, attrs);
}
/// Redraw the dictionary view.
static void
app_redraw_view (Application *self)
@ -1131,56 +1158,37 @@ app_redraw_view (Application *self)
move (TOP_BAR_CUTOFF, 0);
clrtobot ();
// TODO: clean this stuff up a bit, it's all rather ugly
gchar *input_utf8 = g_ucs4_to_utf8
((gunichar *) self->input->data, -1, NULL, NULL, NULL);
gint left_width = app_get_left_column_width (self);
gchar *input_utf8 = g_ucs4_to_utf8 ((gunichar *) self->input->data, -1,
NULL, NULL, NULL);
guint i, k = self->top_offset, shown = 0;
guint i, offset = self->top_offset, shown = 0;
for (i = 0; i < self->entries->len; i++)
{
ViewEntry *ve = g_ptr_array_index (self->entries, i);
for (; k < ve->definitions->len; k++)
{
chtype attrs = ((self->top_position + i) & 1)
? APP_ATTR (ODD) : APP_ATTR (EVEN);
if (shown == self->selected)
row_buffer_merge_attributes (&attrs, self->focused
? APP_ATTR (SELECTION) : APP_ATTR (DEFOCUSED));
gboolean last = k + 1 == ve->definitions->len;
if (last && self->underline_last)
attrs |= A_UNDERLINE;
RowBuffer buf;
row_buffer_init (&buf, self);
size_t common = 0;
size_t common_prefix = 0;
if (self->hl_prefix)
{
common = stardict_longest_common_collation_prefix
common_prefix = stardict_longest_common_collation_prefix
(self->dict, ve->word, input_utf8);
gchar *prefix = g_strndup (ve->word, common);
row_buffer_append (&buf, prefix, attrs | A_BOLD);
g_free (prefix);
}
row_buffer_append (&buf, ve->word + common, attrs);
row_buffer_finish (&buf, left_width, attrs);
row_buffer_init (&buf, self);
row_buffer_append (&buf, " ", attrs);
row_buffer_append_with_formatting (&buf,
g_ptr_array_index (ve->definitions, k),
g_ptr_array_index (ve->formatting, k), attrs);
row_buffer_finish (&buf, COLS - left_width, attrs);
chtype ve_attrs = APP_ATTR_IF ((self->top_position + i) & 1, ODD, EVEN);
for (; offset < ve->definitions->len; offset++)
{
chtype attrs = ve_attrs;
if ((offset + 1 == ve->definitions->len) && self->underline_last)
attrs |= A_UNDERLINE;
if (shown == self->selected)
row_buffer_merge_attributes (&attrs,
APP_ATTR_IF (self->focused, SELECTION, DEFOCUSED));
app_draw_word (self, ve, common_prefix, left_width, attrs);
app_draw_definition (self, ve, offset, COLS - left_width, attrs);
if ((gint) ++shown == LINES - TOP_BAR_CUTOFF)
goto done;
}
k = 0;
offset = 0;
}
done:
@ -2410,8 +2418,7 @@ log_handler_curses (Application *self, const gchar *message)
in_processing = TRUE;
SAVE_CURSOR
RowBuffer buf;
row_buffer_init (&buf, self);
RowBuffer buf = row_buffer_make (self);
row_buffer_append (&buf, message, A_REVERSE);
move (0, 0);
row_buffer_finish (&buf, COLS, A_REVERSE);