Method AddGadget

ui/UIWindow.cpp:219–244

interface functions adds a UIObject to the interface's draw list.

//	interface functions
// adds a UIObject to the interface's draw list.
void UIWindow::AddGadget(UIGadget *gadget) {
  ASSERT(IsCreated());
  ASSERT(gadget->IsCreated());

  //	perform a linked list add.
  if (!m_GadgetHead) {
    m_GadgetHead = gadget;
    m_GadgetTail = m_GadgetHead;
  } else {
    m_GadgetTail->m_Next = gadget;
    gadget->m_Prev = m_GadgetTail;
    gadget->m_Next = NULL;
    m_GadgetTail = gadget;
  }

  if (m_GadgetCur) {
    m_GadgetCur->LostFocus();
    m_GadgetCur = NULL;
  }
  m_ResetCurGadget = true;
  m_CurGadgetInGroup = false;

  gadget->m_Wnd = this;

  gadget->OnAttachToWindow();
}

// removes a UIObject from the draw list.
void UIWindow::RemoveGadget(UIGadget *gadget) {