Method get_visible_text

src/core/SpellChecker.cpp:213–247

}

MappedWstring SpellChecker::get_visible_text() {
  auto top_visible_line = m_editor.get_first_visible_line();
  auto top_visible_line_index = m_editor.get_document_line_from_visible(top_visible_line);
  auto bottom_visible_line_index = m_editor.get_document_line_from_visible(top_visible_line + m_editor.get_lines_on_screen() - 1);
  auto rect = m_editor.editor_rect();
  auto len = m_editor.get_active_document_length();
  MappedWstring result;
  for (auto line = top_visible_line_index; line <= bottom_visible_line_index; ++line) {
    if (!m_editor.is_line_visible(line))
      continue;
    auto start = m_editor.get_line_start_position(line);
    if (start >= len) // skipping possible empty lines when document is too short
      continue;
    auto start_point = m_editor.get_point_from_position(start);
    if (start_point.y < rect.top) {
      start = m_editor.char_position_from_point({0, 0});
      start = prev_token_begin_in_document(start);
    } else if (start_point.x < rect.left) {
      start = m_editor.char_position_from_point({0, start_point.y});
      start = prev_token_begin_in_document(start);
    }
    auto end = m_editor.get_line_end_position(line);
    auto end_point = m_editor.get_point_from_position(end);
    if (end_point.y > rect.bottom - rect.top) {
      end = m_editor.char_position_from_point({rect.right - rect.left, rect.bottom - rect.top});
      end = next_token_end_in_document(end);
    } else if (end_point.x > rect.right) {
      end = m_editor.char_position_from_point({rect.right - rect.left, end_point.y});
      end = next_token_end_in_document(end);
    }
    auto new_str = m_editor.get_mapped_wstring_range(start, end);
    result.append(new_str);
  }
  return result;
}

void SpellChecker::clear_all_underlines() const {
  auto length = m_editor.get_active_document_length();