Method onProcessMessage

src/app/ui/timeline.cpp:301–897

}

bool Timeline::onProcessMessage(Message* msg)
{
  switch (msg->type()) {

    case kFocusEnterMessage:
      App::instance()->inputChain().prioritize(this);
      break;

    case kTimerMessage:
      if (static_cast<TimerMessage*>(msg)->timer() == &m_clipboard_timer) {
        Document* clipboard_document;
        DocumentRange clipboard_range;
        clipboard::get_document_range_info(
          &clipboard_document,
          &clipboard_range);

        if (isVisible() && m_document && clipboard_document == m_document) {
          // Set offset to make selection-movement effect
          if (m_offset_count < 7)
            m_offset_count++;
          else
            m_offset_count = 0;
        }
        else if (m_clipboard_timer.isRunning()) {
          m_clipboard_timer.stop();
        }

        invalidate();
      }
      break;

    case kMouseDownMessage: {
      MouseMessage* mouseMsg = static_cast<MouseMessage*>(msg);

      if (!m_document)
        break;

      if (mouseMsg->middle() || she::is_key_pressed(kKeySpace)) {
        captureMouse();
        m_state = STATE_SCROLLING;
        m_oldPos = static_cast<MouseMessage*>(msg)->position();
        return true;
      }

      // Update hot part (as the user might have left clicked with
      // Ctrl on OS X, which it's converted to a right-click and it's
      // interpreted as other action by the Timeline::hitTest())
      setHot(hitTest(msg, mouseMsg->position() - bounds().origin()));

      // Clicked-part = hot-part.
      m_clk = m_hot;

      captureMouse();

      switch (m_hot.part) {
        case PART_SEPARATOR:
          m_state = STATE_MOVING_SEPARATOR;
          break;