Simplify, optimize terminal output
Finally getting rid off app_add_utf8_string(). Just like in nncmpp, the dependency on ncurses is now a bit narrower.
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parent
0d779d718b
commit
36236955e5
GPG Key ID:
B715679E3A361BE6
121
src/sdtui.c
121
src/sdtui.c
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@ -805,13 +805,13 @@ static void
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row_buffer_print (RowBuffer *self, gunichar *ucs4, size_t len, chtype attrs)
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{
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gsize locale_str_len;
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guchar *str = (guchar *) g_convert_with_iconv
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((const gchar *) ucs4, len * sizeof *ucs4,
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gchar *str = g_convert_with_iconv ((const gchar *) ucs4, len * sizeof *ucs4,
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self->app->ucs4_to_locale, NULL, &locale_str_len, NULL);
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g_return_if_fail (str != NULL);
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for (gsize i = 0; i < locale_str_len; i++)
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addch (str[i] | attrs);
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attrset (attrs);
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addstr (str);
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attrset (0);
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g_free (str);
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}
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@ -839,71 +839,62 @@ row_buffer_flush (RowBuffer *self)
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g_array_index (self->chars, RowChar, self->chars->len - 1).attrs);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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/// Write the given UTF-8 string padded with spaces.
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/// @param[in] n The number of characters to write, or -1 for the whole string.
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/// @param[in] attrs Text attributes for the text, without padding.
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/// To change the attributes of all output, use attrset().
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/// @return The number of characters output.
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static gsize
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app_add_utf8_string (Application *self, const gchar *str, chtype attrs, int n)
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/// Align the buffer to @a width (if not lesser than zero) using @a attrs
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static void
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row_buffer_finish (RowBuffer *self, int width, chtype attrs)
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{
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if (!n)
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return 0;
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if (width >= 0 && self->total_width > width)
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row_buffer_ellipsis (self, width, attrs);
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while (self->total_width < width)
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{
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struct row_char rc = { ' ', attrs, 1 };
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g_array_append_val (self->chars, rc);
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self->total_width += rc.width;
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}
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RowBuffer buf;
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row_buffer_init (&buf, self);
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row_buffer_append (&buf, str, attrs);
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if (n < 0)
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n = buf.total_width;
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if (buf.total_width > n)
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row_buffer_ellipsis (&buf, n, attrs);
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row_buffer_flush (&buf);
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for (int i = buf.total_width; i < n; i++)
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addch (' ');
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row_buffer_free (&buf);
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return n;
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row_buffer_flush (self);
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row_buffer_free (self);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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/// Render the top bar.
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static void
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app_redraw_top (Application *self)
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{
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attrset (APP_ATTR (HEADER));
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mvwhline (stdscr, 0, 0, APP_ATTR (HEADER), COLS);
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gsize indent = app_add_utf8_string (self, APP_TITLE, A_BOLD, -1);
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RowBuffer buf;
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row_buffer_init (&buf, self);
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row_buffer_append (&buf, APP_TITLE, APP_ATTR (HEADER) | A_BOLD);
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attrset (0);
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for (guint i = 0; i < self->dictionaries->len; i++)
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{
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Dictionary *dict = &g_array_index (self->dictionaries, Dictionary, i);
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indent += app_add_utf8_string (self, dict->name,
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row_buffer_append (&buf, dict->name,
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(self->dictionaries->len > 1 && self->dict == dict->dict)
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? APP_ATTR (ACTIVE) : APP_ATTR (HEADER),
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MIN (COLS - indent, dict->name_width));
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? APP_ATTR (ACTIVE) : APP_ATTR (HEADER));
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}
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move (0, 0);
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row_buffer_finish (&buf, COLS, APP_ATTR (HEADER));
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attrset (APP_ATTR (SEARCH));
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mvwhline (stdscr, 1, 0, APP_ATTR (SEARCH), COLS);
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indent = app_add_utf8_string (self, self->search_label, 0, -1);
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row_buffer_init (&buf, self);
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row_buffer_append (&buf, self->search_label, APP_ATTR (SEARCH));
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gsize indent = buf.total_width;
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int word_attrs = APP_ATTR (SEARCH);
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if (self->input_confirmed)
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word_attrs |= A_BOLD;
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gchar *input_utf8 = g_ucs4_to_utf8
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((gunichar *) self->input->data, -1, NULL, NULL, NULL);
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g_return_if_fail (input_utf8 != NULL);
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int word_attrs = 0;
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if (self->input_confirmed)
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word_attrs |= A_BOLD;
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app_add_utf8_string (self, input_utf8, word_attrs, COLS - indent - 1);
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row_buffer_append (&buf, input_utf8, word_attrs);
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g_free (input_utf8);
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row_buffer_finish (&buf, COLS, APP_ATTR (SEARCH));
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guint offset, i;
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for (offset = i = 0; i < self->input_pos; i++)
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// This may be inconsistent with the output of app_add_utf8_string()
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// This may be inconsistent with RowBuffer
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offset += unichar_width (g_array_index (self->input, gunichar, i));
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move (1, MIN ((gint) (indent + offset), COLS - 1));
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@ -935,7 +926,6 @@ app_show_message (Application *self, const gchar *lines[], gsize len)
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clrtoeol ();
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}
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attrset (0);
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while (len-- && i < LINES - TOP_BAR_CUTOFF)
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{
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move (TOP_BAR_CUTOFF + i, 0);
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@ -946,7 +936,11 @@ app_show_message (Application *self, const gchar *lines[], gsize len)
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x = 0;
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move (TOP_BAR_CUTOFF + i, x);
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app_add_utf8_string (self, *lines, 0, COLS - x);
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RowBuffer buf;
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row_buffer_init (&buf, self);
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row_buffer_append (&buf, *lines, 0);
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row_buffer_finish (&buf, -1, 0);
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lines++;
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i++;
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@ -988,6 +982,7 @@ app_redraw_view (Application *self)
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// TODO: clean this stuff up a bit, it's all rather ugly
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gchar *input_utf8 = g_ucs4_to_utf8
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((gunichar *) self->input->data, -1, NULL, NULL, NULL);
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gint left_width = app_get_left_column_width (self);
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guint i, k = self->top_offset, shown = 0;
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for (i = 0; i < self->entries->len; i++)
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@ -1001,8 +996,6 @@ app_redraw_view (Application *self)
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gboolean last = k + 1 == ve->definitions_length;
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if (last && self->underline_last) attrs |= A_UNDERLINE;
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attrset (attrs);
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RowBuffer buf;
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row_buffer_init (&buf, self);
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@ -1013,22 +1006,16 @@ app_redraw_view (Application *self)
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(self->dict, ve->word, input_utf8);
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gchar *prefix = g_strndup (ve->word, common);
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row_buffer_append (&buf, prefix, A_BOLD);
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row_buffer_append (&buf, prefix, attrs | A_BOLD);
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g_free (prefix);
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}
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row_buffer_append (&buf, ve->word + common, 0);
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row_buffer_append (&buf, ve->word + common, attrs);
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row_buffer_finish (&buf, left_width, attrs);
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gint left_width = app_get_left_column_width (self);
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if (buf.total_width > left_width)
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row_buffer_ellipsis (&buf, left_width, attrs);
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row_buffer_flush (&buf);
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for (int i = buf.total_width; i < left_width + 1; i++)
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addch (' ');
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row_buffer_free (&buf);
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app_add_utf8_string (self,
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ve->definitions[k], 0, COLS - left_width - 1);
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row_buffer_init (&buf, self);
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row_buffer_append (&buf, " ", attrs);
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row_buffer_append (&buf, ve->definitions[k], attrs);
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row_buffer_finish (&buf, COLS - left_width, attrs);
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if ((gint) ++shown == LINES - TOP_BAR_CUTOFF)
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goto done;
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@ -1039,7 +1026,6 @@ app_redraw_view (Application *self)
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done:
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free (input_utf8);
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attrset (0);
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refresh ();
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}
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@ -1916,9 +1902,10 @@ log_handler_curses (Application *self, const gchar *message)
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in_processing = TRUE;
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SAVE_CURSOR
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attrset (A_REVERSE);
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mvwhline (stdscr, 0, 0, A_REVERSE, COLS);
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app_add_utf8_string (self, message, 0, COLS);
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RowBuffer buf;
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row_buffer_init (&buf, self);
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row_buffer_append (&buf, message, A_REVERSE);
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row_buffer_finish (&buf, COLS, A_REVERSE);
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RESTORE_CURSOR
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in_processing = FALSE;
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