#include <wave/trackbar.hpp>
#include <common/instance.hpp>

TrackBar::TrackBar(void)
: mHorizontalScrollHandler(this,&TrackBar::horizontalScrollHandler),
  mVerticalScrollHandler(this,&TrackBar::verticalScrollHandler),
	mSizeHandler(this,&TrackBar::sizeHandler),
	mlpParentWindow(0)
{
  for(short itemIndex=0;itemIndex<HandlerCount;itemIndex++)
    mNotificationHandlers.insert(&CallbackPointer());
}

TrackBar::~TrackBar()
{
  if(!mlpParentWindow)return;
	mlpParentWindow->removeHandler(VectorHandler::HorizontalScrollHandler,&mHorizontalScrollHandler);
	mlpParentWindow->removeHandler(VectorHandler::VerticalScrollHandler,&mVerticalScrollHandler);
	mlpParentWindow->removeHandler(VectorHandler::SizeHandler,&mSizeHandler);
}

WORD TrackBar::createTrackBar(Window &parentWindow,Rect winRect,int itemID,WORD rubberControl)
{
  String className(String(TRACKBAR_CLASSA));

  if(mTrackBar.isValid())return FALSE;
	::InitCommonControls();
  mlpParentWindow=&parentWindow;
	mlpParentWindow->insertHandler(VectorHandler::HorizontalScrollHandler,&mHorizontalScrollHandler);
	mlpParentWindow->insertHandler(VectorHandler::VerticalScrollHandler,&mVerticalScrollHandler);
	if(rubberControl)mlpParentWindow->insertHandler(VectorHandler::SizeHandler,&mSizeHandler);
  if(!winRect.right()||!winRect.bottom())winRect=Rect(CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT);
  mTrackBar=::CreateWindowEx(WS_EX_CLIENTEDGE|WS_EX_LEFT|WS_EX_LTRREADING|WS_EX_RIGHTSCROLLBAR,
	  className,"",WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_TABSTOP|TBSAutoTicks|TBSBottom|TBSRight|TBSHorz|TBSEnableSelRange,
		winRect.left(),winRect.top(),winRect.right(),winRect.bottom(),
		parentWindow,(HMENU)itemID,parentWindow.processInstance(),0);
	if(!mTrackBar.isValid())return FALSE;
	initControl(parentWindow);
	return TRUE;
}

CallbackData::ReturnType TrackBar::verticalScrollHandler(CallbackData &someCallbackData)
{
  switch(LOWORD(someCallbackData.wParam()))
	{
	  case TB_BOTTOM :
		  mNotificationHandlers[NotifyBottom].callback(someCallbackData);
			break;
		case TB_ENDTRACK :
		  mNotificationHandlers[NotifyEndTrack].callback(someCallbackData);
			break;
		case TB_LINEDOWN :
		  mNotificationHandlers[NotifyLineDown].callback(someCallbackData);
			break;
		case TB_LINEUP :
		  mNotificationHandlers[NotifyLineUp].callback(someCallbackData);
			break;
		case TB_PAGEDOWN :
		  mNotificationHandlers[NotifyPageDown].callback(someCallbackData);
			break;
		case TB_PAGEUP :
		  mNotificationHandlers[NotifyPageUp].callback(someCallbackData);
			break;
		case TB_THUMBPOSITION :
		  mNotificationHandlers[NotifyThumbPosition].callback(someCallbackData);
			break;
		case TB_THUMBTRACK :
		  mNotificationHandlers[NotifyThumbTrack].callback(someCallbackData);
			break;
		case TB_TOP :
		  mNotificationHandlers[NotifyTop].callback(someCallbackData);
			break;
	}
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType TrackBar::horizontalScrollHandler(CallbackData &someCallbackData)
{
  switch(LOWORD(someCallbackData.wParam()))
	{
	  case TB_BOTTOM :
		  mNotificationHandlers[NotifyBottom].callback(someCallbackData);
			break;
		case TB_ENDTRACK :
		  mNotificationHandlers[NotifyEndTrack].callback(someCallbackData);
			break;
		case TB_LINEDOWN :
		  mNotificationHandlers[NotifyLineDown].callback(someCallbackData);
			break;
		case TB_LINEUP :
		  mNotificationHandlers[NotifyLineUp].callback(someCallbackData);
			break;
		case TB_PAGEDOWN :
		  mNotificationHandlers[NotifyPageDown].callback(someCallbackData);
			break;
		case TB_PAGEUP :
		  mNotificationHandlers[NotifyPageUp].callback(someCallbackData);
			break;
		case TB_THUMBPOSITION :
		  mNotificationHandlers[NotifyThumbPosition].callback(someCallbackData);
			break;
		case TB_THUMBTRACK :
		  mNotificationHandlers[NotifyThumbTrack].callback(someCallbackData);
			break;
		case TB_TOP :
		  mNotificationHandlers[NotifyTop].callback(someCallbackData);
			break;
	}
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType TrackBar::sizeHandler(CallbackData &someCallbackData)
{
  if(!mlpParentWindow)return (CallbackData::ReturnType)FALSE;
  moveControl(*mlpParentWindow,someCallbackData.loWord(),someCallbackData.hiWord());
	return (CallbackData::ReturnType)FALSE;
}

Window &TrackBar::controlWindow(void)
{
  return mTrackBar;
}