Method onProcessMessage

src/ui/widget.cpp:1334–1409

}

bool Widget::onProcessMessage(Message* msg)
{
  ASSERT(msg != NULL);

  switch (msg->type()) {

    case kOpenMessage:
    case kCloseMessage:
    case kWinMoveMessage:
      // Broadcast the message to the children.
      for (auto child : m_children)
        child->sendMessage(msg);
      break;

    case kPaintMessage: {
      const PaintMessage* ptmsg = static_cast<const PaintMessage*>(msg);
      ASSERT(ptmsg->rect().w > 0);
      ASSERT(ptmsg->rect().h > 0);

      GraphicsPtr graphics = getGraphics(toClient(ptmsg->rect()));
      return paintEvent(graphics.get());
    }

    case kKeyDownMessage:
    case kKeyUpMessage:
      if (static_cast<KeyMessage*>(msg)->propagateToChildren()) {
        // Broadcast the message to the children.
        for (auto child : m_children)
          if (child->sendMessage(msg))
            return true;
      }

      // Propagate the message to the parent.
      if (static_cast<KeyMessage*>(msg)->propagateToParent() &&
          parent()) {
        return parent()->sendMessage(msg);
      }
      break;

    case kDoubleClickMessage: {
      // Convert double clicks into mouse down
      MouseMessage* mouseMsg = static_cast<MouseMessage*>(msg);
      MouseMessage mouseMsg2(kMouseDownMessage,
                             mouseMsg->pointerType(),
                             mouseMsg->buttons(),
                             mouseMsg->modifiers(),
                             mouseMsg->position(),
                             mouseMsg->wheelDelta());

      sendMessage(&mouseMsg2);
      break;
    }

    case kMouseDownMessage:
    case kMouseUpMessage:
    case kMouseMoveMessage:
    case kMouseWheelMessage:
      // Propagate the message to the parent.