postitctl.h

ATL开发指南PDF格式

// PostItCtl.h : Declaration of the CPostItCtl

#ifndef __POSTITCTL_H_
#define __POSTITCTL_H_

#include "resource.h"       // main symbols
#include <atlctl.h>
#include "PostItCP.h"


/////////////////////////////////////////////////////////////////////////////
// CPostItCtl
class ATL_NO_VTABLE CPostItCtl : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CStockPropImpl<CPostItCtl, IPostItCtl, &IID_IPostItCtl, &LIBID_POSTITLib>,
	public CComControl<CPostItCtl>,
	public IPersistStreamInitImpl<CPostItCtl>,
	public IOleControlImpl<CPostItCtl>,
	public IOleObjectImpl<CPostItCtl>,
	public IOleInPlaceActiveObjectImpl<CPostItCtl>,
	public IViewObjectExImpl<CPostItCtl>,
	public IOleInPlaceObjectWindowlessImpl<CPostItCtl>,
	public IConnectionPointContainerImpl<CPostItCtl>,
	public IPersistStorageImpl<CPostItCtl>,
	public ISpecifyPropertyPagesImpl<CPostItCtl>,
	public IQuickActivateImpl<CPostItCtl>,
	public IDataObjectImpl<CPostItCtl>,
	public IProvideClassInfo2Impl<&CLSID_PostItCtl, &DIID__IPostItCtlEvents, &LIBID_POSTITLib>,
	public IPropertyNotifySinkCP<CPostItCtl>,
	public CComCoClass<CPostItCtl, &CLSID_PostItCtl>,
	public CProxy_IPostItCtlEvents< CPostItCtl >
{
public:
	CPostItCtl()
	{
	}

DECLARE_REGISTRY_RESOURCEID(IDR_POSTITCTL)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CPostItCtl)
	COM_INTERFACE_ENTRY(IPostItCtl)
	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(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)
	COM_INTERFACE_ENTRY_IMPL(IConnectionPointContainer)
END_COM_MAP()

BEGIN_PROP_MAP(CPostItCtl)
	PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
	PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
	PROP_ENTRY("Appearance", DISPID_APPEARANCE, CLSID_NULL)
	PROP_ENTRY("BackColor", DISPID_BACKCOLOR, CLSID_StockColorPage)
	PROP_ENTRY("BorderStyle", DISPID_BORDERSTYLE, CLSID_NULL)
	PROP_ENTRY("Font", DISPID_FONT, CLSID_StockFontPage)
	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(CPostItCtl)
	CONNECTION_POINT_ENTRY(IID_IPropertyNotifySink)
	CONNECTION_POINT_ENTRY(DIID__IPostItCtlEvents)
END_CONNECTION_POINT_MAP()

BEGIN_MSG_MAP(CPostItCtl)
   MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
   CHAIN_MSG_MAP(CComControl<CPostItCtl>)
	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);



// IViewObjectEx
	DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)

// IPostItCtl
public:

	HRESULT OnDraw(ATL_DRAWINFO& di)
	{
      USES_CONVERSION;
      COLORREF  colBack, colFore;
      HBRUSH    hOldBrush = 0;
      HBRUSH    hBackBrush = 0;
      HDC       hdc = di.hdcDraw;
      RECT& rc = *(RECT*)di.prcBounds;
      // Convert the OLE_COLOR types into COLORREFs
      OleTranslateColor( m_clrBackColor, NULL, &colBack );
      OleTranslateColor( m_clrForeColor, NULL, &colFore );

      // Create a brush using the background color
      // and select it into the DC
      hBackBrush = (HBRUSH) CreateSolidBrush( colBack );
      hOldBrush = (HBRUSH) SelectObject( hdc, hBackBrush );

      // Fill the background with our new brush
      FillRect( hdc, &rc, hBackBrush );

      // If the BorderStyle is 1, draw
      // a border around the control
      if ( m_nBorderStyle )
      {
         HPEN hPen = (HPEN) CreatePen( PS_SOLID, 1, RGB( 0, 0, 0 ));
         HPEN hOldPen = (HPEN) SelectObject( hdc, hPen );
         Rectangle( hdc, rc.left, rc.top, rc.right, rc.bottom );
         if ( hOldPen )
            SelectObject( hdc, hOldPen );
         DeleteObject( hPen );
      }

      // If the appearance is 3-D draw an edge
      if ( m_nAppearance )
      {
         DrawEdge( hdc, &rc, EDGE_SUNKEN, BF_RECT );
         // Adjust our rectangle
         rc.left += 2;
         rc.top += 2;
         rc.bottom -= 2;
         rc.right -= 2;
      }

      // Get the user-selected font and select
      // it into our device context.
      CComQIPtr<IFont, &IID_IFont> pFont( m_pFont );
      HFONT hOldFont = 0;
      HFONT hFont = 0;
      if ( pFont )
      {
         pFont->get_hFont( &hFont );
         pFont->AddRefHfont( hFont );
         hOldFont = (HFONT) SelectObject( hdc, hFont );
      }

      // Check to see if we're in design mode or
      // run-time mode. If in design mode, get the
      // ambient display name and draw it within
      // the control.
      BOOL bUserMode = FALSE;
      GetAmbientUserMode( bUserMode );
      if ( bUserMode == FALSE )
      {
         BSTR bstr;
         if ( SUCCEEDED( GetAmbientDisplayName( bstr )))
         {
            SetBkMode( hdc, TRANSPARENT );
            SetTextColor( hdc, colFore );
            DrawText( hdc,
                      W2A( bstr ),
                      -1,
                      &rc,
                      DT_TOP | DT_SINGLELINE );
         }
      }

      // Draw the user-specified text
      if ( m_bstrText.Length() )
      {
         SetBkMode( hdc, TRANSPARENT );
         SetTextColor( hdc, colFore );
         DrawText( hdc,
                   W2A( m_bstrText ),
                   -1,
                   &rc,
                   DT_CENTER | DT_VCENTER | DT_WORDBREAK );
      }

      // Release the IFont object. We don't
      // delete the font because the OLE font
      // object manages this
      if ( pFont )
         pFont->ReleaseHfont( hFont );

      // Restore the old font
      if ( hOldFont )
         SelectObject( hdc, hOldFont );

      // Restore the old brush and delete
      // the one we created earlier
      if ( hOldBrush )
      {
         SelectObject( hdc, hOldBrush );
         DeleteObject( hBackBrush );
      }

		return S_OK;
	}
	short m_nAppearance;
	OLE_COLOR m_clrBackColor;
	LONG m_nBorderStyle;
	CComPtr<IFontDisp> m_pFont;
	OLE_COLOR m_clrForeColor;
	CComBSTR m_bstrText;

private:
   LRESULT OnLButtonDown(UINT uMsg, WPARAM wParam,
                      LPARAM lParam, BOOL& bHandled);

};

#endif //__POSTITCTL_H_