// ButtonDemo.h : Declaration of the CButtonDemo
#pragma once
#include "resource.h"       // main symbols
#include <atlctl.h>
#include "AxDemo.h"
#include "_IButtonDemoEvents_CP.h"

// CButtonDemo
class ATL_NO_VTABLE CButtonDemo : 
  public CComObjectRootEx<CComSingleThreadModel>,
  public CStockPropImpl<CButtonDemo, IButtonDemo>,
  public IPersistStreamInitImpl<CButtonDemo>,
  public IOleControlImpl<CButtonDemo>,
  public IOleObjectImpl<CButtonDemo>,
  public IOleInPlaceActiveObjectImpl<CButtonDemo>,
  public IViewObjectExImpl<CButtonDemo>,
  public IOleInPlaceObjectWindowlessImpl<CButtonDemo>,
  public ISupportErrorInfo,
  public IConnectionPointContainerImpl<CButtonDemo>,
  public CProxy_IButtonDemoEvents<CButtonDemo>, 
  public IPersistStorageImpl<CButtonDemo>,
  public ISpecifyPropertyPagesImpl<CButtonDemo>,
  public IQuickActivateImpl<CButtonDemo>,
  public IDataObjectImpl<CButtonDemo>,
  public IProvideClassInfo2Impl<&CLSID_ButtonDemo, &__uuidof(_IButtonDemoEvents), &LIBID_AxDemoLib>,
  public IPropertyNotifySinkCP<CButtonDemo>,
  public CComCoClass<CButtonDemo, &CLSID_ButtonDemo>,
  public CComControl<CButtonDemo>
{
public:

  CButtonDemo()
  {
  }

DECLARE_OLEMISC_STATUS(OLEMISC_RECOMPOSEONRESIZE | 
  OLEMISC_ACTSLIKEBUTTON |
  OLEMISC_CANTLINKINSIDE | 
  OLEMISC_INSIDEOUT | 
  OLEMISC_ACTIVATEWHENVISIBLE | 
  OLEMISC_SETCLIENTSITEFIRST
)

DECLARE_REGISTRY_RESOURCEID(IDR_BUTTONDEMO)

DECLARE_NOT_AGGREGATABLE(CButtonDemo)

BEGIN_COM_MAP(CButtonDemo)
  COM_INTERFACE_ENTRY(IButtonDemo)
  COM_INTERFACE_ENTRY(IDispatch)
  COM_INTERFACE_ENTRY(IViewObjectEx)
  COM_INTERFACE_ENTRY(IViewObject2)
  COM_INTERFACE_ENTRY(IViewObject)
  COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
  COM_INTERFACE_ENTRY(IOleInPlaceObject)
  COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
  COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
  COM_INTERFACE_ENTRY(IOleControl)
  COM_INTERFACE_ENTRY(IOleObject)
  COM_INTERFACE_ENTRY(IPersistStreamInit)
  COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
  COM_INTERFACE_ENTRY(ISupportErrorInfo)
  COM_INTERFACE_ENTRY(IConnectionPointContainer)
  COM_INTERFACE_ENTRY(ISpecifyPropertyPages)
  COM_INTERFACE_ENTRY(IQuickActivate)
  COM_INTERFACE_ENTRY(IPersistStorage)
  COM_INTERFACE_ENTRY(IDataObject)
  COM_INTERFACE_ENTRY(IProvideClassInfo)
  COM_INTERFACE_ENTRY(IProvideClassInfo2)
END_COM_MAP()

BEGIN_PROP_MAP(CButtonDemo)
  PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
  PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
  PROP_ENTRY("BackColor", DISPID_BACKCOLOR, CLSID_StockColorPage)
  PROP_ENTRY("BorderColor", DISPID_BORDERCOLOR, CLSID_StockColorPage)
  PROP_ENTRY("BorderWidth", DISPID_BORDERWIDTH, CLSID_NULL)
  PROP_ENTRY("ForeColor", DISPID_FORECOLOR, CLSID_StockColorPage)
  PROP_ENTRY("Text", DISPID_TEXT, CLSID_NULL)
  // Example entries
  // PROP_ENTRY("Property Description", dispid, clsid)
  // PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()

BEGIN_CONNECTION_POINT_MAP(CButtonDemo)
  CONNECTION_POINT_ENTRY(IID_IPropertyNotifySink)
  CONNECTION_POINT_ENTRY(__uuidof(_IButtonDemoEvents))
END_CONNECTION_POINT_MAP()

BEGIN_MSG_MAP(CButtonDemo)
  MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
  CHAIN_MSG_MAP(CComControl<CButtonDemo>)
  DEFAULT_REFLECTION_HANDLER()
END_MSG_MAP()
// Handler prototypes:
//  LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
//  LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
//  LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);

// ISupportsErrorInfo
  STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid)
  {
    static const IID* arr[] = 
    {
      &IID_IButtonDemo,
    };

    for (int i=0; i<sizeof(arr)/sizeof(arr[0]); i++)
    {
      if (InlineIsEqualGUID(*arr[i], riid))
        return S_OK;
    }
    return S_FALSE;
  }

// IViewObjectEx
  DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)

// IButtonDemo
public:
    HRESULT OnDraw(ATL_DRAWINFO& di)
    {
    HBRUSH hBrush = CreateSolidBrush(m_clrBackColor);
    HBRUSH hOldBrush = (HBRUSH)SelectObject(di.hdcDraw, hBrush);
    //HPEN hPen = CreatePen(PS_SOLID, 1, m_clrFrontColor);
    //HPEN hOldPen = (HPEN)SelectObject(di.hdcDraw, hPen);

      SetTextColor(di.hdcDraw, m_clrForeColor);
      SetBkColor(di.hdcDraw, m_clrBackColor);

    RECT& rc = *(RECT*)di.prcBounds;
    // Set Clip region to the rectangle specified by di.prcBounds
    HRGN hRgnOld = NULL;
    if (GetClipRgn(di.hdcDraw, hRgnOld) != 1)
      hRgnOld = NULL;
    bool bSelectOldRgn = false;

    HRGN hRgnNew = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);

    if (hRgnNew != NULL)
    {
      bSelectOldRgn = (SelectClipRgn(di.hdcDraw, hRgnNew) != ERROR);
    }
    
    Rectangle(di.hdcDraw, rc.left, rc.top, rc.right, rc.bottom);
    SetTextAlign(di.hdcDraw, TA_CENTER|TA_BASELINE);
    LPCTSTR pszText = _T("CSE775 : ButtonDemo");
    TextOut(di.hdcDraw, 
      (rc.left + rc.right) / 2, 
      (rc.top + rc.bottom) / 2, 
      pszText, 
      lstrlen(pszText));

    if (bSelectOldRgn)
      SelectClipRgn(di.hdcDraw, hRgnOld);

    SelectObject(di.hdcDraw, hOldBrush);
    return S_OK;
  }

  OLE_COLOR m_clrBackColor;
  void OnBackColorChanged()
  {
    ATLTRACE(_T("OnBackColorChanged\n"));
  }
  OLE_COLOR m_clrBorderColor;
  void OnBorderColorChanged()
  {
    ATLTRACE(_T("OnBorderColorChanged\n"));
  }
  LONG m_nBorderWidth;
  void OnBorderWidthChanged()
  {
    ATLTRACE(_T("OnBorderWidthChanged\n"));
  }
  OLE_COLOR m_clrForeColor;
  void OnForeColorChanged()
  {
    ATLTRACE(_T("OnForeColorChanged\n"));
  }
  CComBSTR m_bstrText;
  void OnTextChanged()
  {
    ATLTRACE(_T("OnTextChanged\n"));
  }

  DECLARE_PROTECT_FINAL_CONSTRUCT()

  HRESULT FinalConstruct()
  {
    return S_OK;
  }
  
  void FinalRelease() 
  {
  }
  STDMETHOD(SetText)(BSTR label);
  LRESULT OnLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/);
};

OBJECT_ENTRY_AUTO(__uuidof(ButtonDemo), CButtonDemo)