Store search input in UCS4.
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parent
421d87b7c0
commit
b8c4d29233
147
src/sdtui.c
147
src/sdtui.c
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@ -58,12 +58,6 @@ poll_restart (struct pollfd *fds, nfds_t nfds, int timeout)
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return ret;
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}
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static gsize
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utf8_offset (const gchar *s, gsize offset)
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{
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return g_utf8_offset_to_pointer (s, offset) - s;
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}
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/** Wrapper for curses event data. */
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typedef struct curses_event CursesEvent;
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@ -100,7 +94,7 @@ struct application
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guint selected; //!< Offset to the selected definition
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GPtrArray *entries; //!< ViewEntry's within the view
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GString *input; //!< The current search input
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GArray *input; //!< The current search input
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guint input_pos; //!< Cursor position within input
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};
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@ -199,7 +193,7 @@ app_init (Application *self, const gchar *filename)
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self->entries = g_ptr_array_new_with_free_func
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((GDestroyNotify) view_entry_free);
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self->input = g_string_new (NULL);
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self->input = g_array_new (TRUE, FALSE, sizeof (gunichar));
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self->input_pos = 0;
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self->wchar_to_utf8 = g_iconv_open ("utf-8//translit", "wchar_t");
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@ -214,33 +208,12 @@ app_destroy (Application *self)
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{
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g_object_unref (self->dict);
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g_ptr_array_free (self->entries, TRUE);
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g_string_free (self->input, TRUE);
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g_array_free (self->input, TRUE);
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g_iconv_close (self->wchar_to_utf8);
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g_iconv_close (self->utf8_to_wchar);
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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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mvwhline (stdscr, 0, 0, A_UNDERLINE, COLS);
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attrset (A_UNDERLINE);
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printw ("%s: ", _("Search"));
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int y, x;
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getyx (stdscr, y, x);
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gchar *input = g_locale_from_utf8 (self->input->str, -1, NULL, NULL, NULL);
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g_return_if_fail (input != NULL);
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addstr (input);
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g_free (input);
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move (y, x + self->input_pos);
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refresh ();
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}
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/** Write the given utf-8 string padded with spaces, max. @a n characters. */
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static void
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add_padded_string (Application *self, const gchar *str, int n)
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@ -264,6 +237,28 @@ add_padded_string (Application *self, const gchar *str, int n)
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g_free (wide_str);
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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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mvwhline (stdscr, 0, 0, A_UNDERLINE, COLS);
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attrset (A_UNDERLINE);
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printw ("%s: ", _("Search"));
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int y, x;
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getyx (stdscr, y, x);
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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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add_padded_string (self, input_utf8, COLS - x);
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g_free (input_utf8);
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move (y, x + self->input_pos);
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refresh ();
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}
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/** Redraw the dictionary view. */
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static void
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app_redraw_view (Application *self)
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@ -436,8 +431,14 @@ app_redraw (Application *self)
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static void
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app_search_for_entry (Application *self)
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{
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StardictIterator *iterator = stardict_dict_search
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(self->dict, self->input->str, NULL);
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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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StardictIterator *iterator =
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stardict_dict_search (self->dict, input_utf8, NULL);
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g_free (input_utf8);
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self->top_position = stardict_iterator_get_offset (iterator);
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self->top_offset = 0;
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g_object_unref (iterator);
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@ -505,7 +506,7 @@ app_process_nonchar_code (Application *self, CursesEvent *event)
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app_redraw_top (self);
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break;
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case KEY_END:
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self->input_pos = g_utf8_strlen (self->input->str, -1);
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self->input_pos = self->input->len;
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app_redraw_top (self);
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break;
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case KEY_LEFT:
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@ -516,7 +517,7 @@ app_process_nonchar_code (Application *self, CursesEvent *event)
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}
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break;
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case KEY_RIGHT:
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if (self->input_pos < g_utf8_strlen (self->input->str, -1))
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if (self->input_pos < self->input->len)
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{
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self->input_pos++;
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app_redraw_top (self);
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@ -525,23 +526,15 @@ app_process_nonchar_code (Application *self, CursesEvent *event)
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case KEY_BACKSPACE:
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if (self->input_pos > 0)
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{
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gchar *current = g_utf8_offset_to_pointer
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(self->input->str, self->input_pos);
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gchar *prev = g_utf8_prev_char (current);
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g_string_erase (self->input,
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prev - self->input->str, current - prev);
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self->input_pos--;
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g_array_remove_index (self->input, --self->input_pos);
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app_search_for_entry (self);
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app_redraw_top (self);
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}
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break;
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case KEY_DC:
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if (self->input_pos < g_utf8_strlen (self->input->str, -1))
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if (self->input_pos < self->input->len)
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{
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gchar *current = g_utf8_offset_to_pointer
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(self->input->str, self->input_pos);
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g_string_erase (self->input, current - self->input->str,
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g_utf8_next_char (current) - current);
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g_array_remove_index (self->input, self->input_pos);
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app_search_for_entry (self);
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app_redraw_top (self);
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}
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@ -554,9 +547,6 @@ app_process_nonchar_code (Application *self, CursesEvent *event)
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static gboolean
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app_process_curses_event (Application *self, CursesEvent *event)
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{
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/* g_utf8_offset_to_pointer() is too dumb to detect this */
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g_assert (g_utf8_strlen (self->input->str, -1) >= self->input_pos);
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if (!event->is_char)
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return app_process_nonchar_code (self, event);
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@ -565,47 +555,44 @@ app_process_curses_event (Application *self, CursesEvent *event)
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case KEY_ESCAPE:
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return FALSE;
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case KEY_VT: // Ctrl-K -- delete until the end of line
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g_string_erase (self->input,
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utf8_offset (self->input->str, self->input_pos), -1);
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app_search_for_entry (self);
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app_redraw_top (self);
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if (self->input_pos < self->input->len)
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{
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g_array_remove_range (self->input,
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self->input_pos, self->input->len - self->input_pos);
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app_search_for_entry (self);
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app_redraw_top (self);
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}
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return TRUE;
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case KEY_ETB: // Ctrl-W -- delete word before cursor
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{
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if (!self->input_pos)
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if (self->input_pos == 0)
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return TRUE;
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gchar *current = g_utf8_offset_to_pointer
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(self->input->str, self->input_pos);
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gchar *space = g_utf8_strrchr (self->input->str,
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g_utf8_prev_char (current) - self->input->str, ' ');
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gint i = self->input_pos;
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while (i)
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if (g_array_index (self->input, gunichar, --i) != L' ')
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break;
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while (i--)
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if (g_array_index (self->input, gunichar, i) == L' ')
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break;
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if (space)
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{
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space = g_utf8_next_char (space);
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g_string_erase (self->input,
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space - self->input->str, current - space);
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self->input_pos = g_utf8_pointer_to_offset
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(self->input->str, space);
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}
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else
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{
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g_string_erase (self->input, 0, current - self->input->str);
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self->input_pos = 0;
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}
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i++;
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g_array_remove_range (self->input, i, self->input_pos - i);
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self->input_pos = i;
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app_search_for_entry (self);
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app_redraw_top (self);
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return TRUE;
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}
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case KEY_NAK: // Ctrl-U -- delete everything before the cursor
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g_string_erase (self->input, 0,
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utf8_offset (self->input->str, self->input_pos));
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self->input_pos = 0;
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if (self->input->len != 0)
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{
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g_array_remove_range (self->input, 0, self->input_pos);
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self->input_pos = 0;
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app_search_for_entry (self);
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app_redraw_top (self);
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app_search_for_entry (self);
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app_redraw_top (self);
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}
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return TRUE;
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}
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@ -614,12 +601,10 @@ app_process_curses_event (Application *self, CursesEvent *event)
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self->wchar_to_utf8, NULL, NULL, NULL);
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g_return_val_if_fail (letter != NULL, FALSE);
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if (g_unichar_isprint (g_utf8_get_char (letter)))
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gunichar c = g_utf8_get_char (letter);
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if (g_unichar_isprint (c))
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{
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g_string_insert (self->input,
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utf8_offset (self->input->str, self->input_pos), letter);
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self->input_pos += g_utf8_strlen (letter, -1);
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g_array_insert_val (self->input, self->input_pos++, c);
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app_search_for_entry (self);
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app_redraw_top (self);
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}
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