/* * @doc INTERNAL * * @module _COLEOBJ.H The OLE Object management class | * * Author: alexgo 10/24/95 * * Copyright (c) 1995-1998, Microsoft Corporation. All rights reserved. */ #ifndef __COLEOBJ_H__ #define __COLEOBJ_H__ #include "_notmgr.h" #ifdef LINESERVICES extern "C" { #include "plsdnode.h" } #endif class CDisplay; class CDevDesc; class CTxtEdit; class IUndoBuilder; /* * COleObject * * @class This class manages an individual OLE object embedding. * */ class COleObject : public IOleClientSite, public IOleInPlaceSite, public IAdviseSink, public CSafeRefCount, public ITxNotify { //@access Public methods public: // // IUnknown methods // STDMETHOD(QueryInterface)(REFIID riid, void **pv); STDMETHOD_(ULONG, AddRef)(void); STDMETHOD_(ULONG, Release)(void); // // IOleClientSite methods // STDMETHOD(SaveObject)(void); STDMETHOD(GetMoniker)(DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk); STDMETHOD(GetContainer)(IOleContainer **ppContainer); STDMETHOD(ShowObject)(void); STDMETHOD(OnShowWindow)(BOOL fShow); STDMETHOD(RequestNewObjectLayout)(void); // // IOleInPlaceSite methods // STDMETHOD(GetWindow)(HWND *phwnd); STDMETHOD(ContextSensitiveHelp)(BOOL fEnterMode); STDMETHOD(CanInPlaceActivate)(void); STDMETHOD(OnInPlaceActivate)(void); STDMETHOD(OnUIActivate)(void); STDMETHOD(GetWindowContext)(IOleInPlaceFrame **ppFrame, IOleInPlaceUIWindow **ppDoc, LPRECT lprcPosRect, LPRECT lprcClipRect, LPOLEINPLACEFRAMEINFO lpFrameInfo); STDMETHOD(Scroll)(SIZE scrollExtant); STDMETHOD(OnUIDeactivate)(BOOL fUndoable); STDMETHOD(OnInPlaceDeactivate)(void); STDMETHOD(DiscardUndoState)(void); STDMETHOD(DeactivateAndUndo)(void); STDMETHOD(OnPosRectChange)(LPCRECT lprcPosRect); // // IAdviseSink methods // STDMETHOD_(void, OnDataChange)(FORMATETC *pfetc, STGMEDIUM *pmedium); STDMETHOD_(void, OnViewChange)(DWORD dwAspect, LONG lindex); STDMETHOD_(void, OnRename)(IMoniker *pmk); STDMETHOD_(void, OnSave)(void); STDMETHOD_(void, OnClose)(void); // // ITxNotify methods // virtual void OnPreReplaceRange( LONG cp, LONG cchDel, LONG cchNew, LONG cpFormatMin, LONG cpFormatMax); virtual void OnPostReplaceRange( LONG cp, LONG cchDel, LONG cchNew, LONG cpFormatMin, LONG cpFormatMax); virtual void Zombie(); // // internal public methods // COleObject(CTxtEdit *ped); //@cmember Constructor LONG GetCp() {return _cp;} //@cmember Get cp for this object CTxtEdit *GetPed() {return _ped;} //@cmember Get ped for this object //@cmember Fill out the REOBJECT struct HRESULT GetObjectData(REOBJECT *preobj, DWORD dwFlags); BOOL IsLink(); //@cmember returns TRUE if the object // is a link object. //@cmember Initialize from the given // object data HRESULT InitFromREOBJECT(LONG cp, REOBJECT *preobj); //@cmember Measures the object (no outgoing calls) void MeasureObj(long dypInch, long dxpInch, LONG & xWidth, LONG & yAscent, LONG & yDescent, SHORT yDescentFont); //@cmember Draws the object void DrawObj(const CDisplay *pdp, long dypInch, long dxpInch, HDC hdc, BOOL fMetafile, POINT *ppt, RECT *prcRender, LONG yBaselineLine, LONG yDescentMaxCur); //@cmember Handle the object being // deleted from the backing store void Delete(IUndoBuilder *publdr); void Restore(); //@cmember restore an object into // the backing store //@cmember Force a close on the // object void Close(DWORD dwSaveOption); //@cmember Zombie the object. void MakeZombie(void); //@cmember Activate the object BOOL ActivateObj(UINT uiMsg, WPARAM wParam, LPARAM lParam); HRESULT DeActivateObj(void); //@cmember Aeactivate the object //@cmember Set individual selection //state of object RECT * GetPosRect() //@cmember return the position rect { return &_rcPos; } void ResetPosRect(LONG *pAdjust = NULL); void FetchObjectExtents(void);//@cmember Gets the size of the object //@cmember return REO_SELECTED state BOOL GetREOSELECTED(void) {return (_pi.dwFlags & REO_SELECTED);} //@cmember set REO_SELECTED state void SetREOSELECTED(BOOL fSelect); //@cmember checks for hits on frame handles LPTSTR CheckForHandleHit(const POINT &pt); //@cmember handle object resize BOOL HandleResize(const POINT &pt); //@cmember sets object size void Resize(const RECT &rcNew); //@cmember update _sizel void ResetSizel(const SIZEL &sizel) {_sizel = sizel;} //@cmember called when object position changes void OnReposition( LONG dx, LONG dy ); //@cmember gets objects IUnknown IUnknown * GetIUnknown(void) {return _punkobj;} //@cmember converts to the specified class HRESULT Convert(REFCLSID rclsidNew, LPCSTR lpstrUserTypeNew); //@cmember activate as the specified class HRESULT ActivateAs(REFCLSID rclsid, REFCLSID rclsidAs); //@cmember set aspect to use void SetDvaspect(DWORD dvaspect); //@cmember get current aspect DWORD GetDvaspect() { return _pi.dvaspect; } //@cmember see IPersistStore::HandsOffStorage void HandsOffStorage(void); //@cmember see IPersistStore::SaveCompleted void SaveCompleted(LPSTORAGE lpstg); //@cmember set REO_LINKAVAILABLE flag HRESULT SetLinkAvailable(BOOL fAvailable); //@cmember Used for textize support LONG WriteTextInfoToEditStream(EDITSTREAM *pes); //@cmember Scroll this object if appropriate void ScrollObject(LONG dx, LONG dy, LPCRECT prcScroll); //@cmember guard the position rectangle // from bad updates void EnableGuardPosRect() {_fGuardPosRect = TRUE;} //@cmember clear the guard bit void DisableGuardPosRect() {_fGuardPosRect = FALSE;} //@cmember set the _hdata member void SetHdata(HGLOBAL hg) {_hdata = hg;} //@cmember get the _hdata member void GetSizel(SIZEL &sizel) {sizel = _sizel;} //&cmember gets the _sizel member DWORD GetFlags() {return _pi.dwFlags;} //&cmember gets the _sizel member DWORD GetUser() {return _pi.dwUser;} //&cmember gets the _sizel member DWORD GetAspect() {return _pi.dvaspect;} //&cmember gets the _sizel member // For internal use without reentering undo system. STDMETHOD(SafeSaveObject)(void); HGLOBAL GetHdata() {return _hdata;} struct ImageInfo { LONG xScale, yScale; // @field scaling percentage along axes SHORT xExtGoal, yExtGoal; // @field desired dimensions in twips for pictures SHORT cBytesPerLine; // @field # bytes per raster line, if bitmap }; //@cmember set the _pimageinfo member void SetImageInfo(struct ImageInfo *pim) {_pimageinfo = pim;} //@cmember get the _pimageinfo member ImageInfo *GetImageInfo() {return _pimageinfo;} #ifdef DEBUG void DbgDump(DWORD id); #endif BOOL GetViewChanged() {return _fViewChange;} void ResetViewChanged() {_fViewChange = FALSE;} //@access Private methods and data private: virtual ~COleObject(); //@cmember Destructor void SavePrivateState(void);//@cmember Saves private information HRESULT ConnectObject(void);//@cmember setup advises, etc. void DisconnectObject(void);//@cmember tear down advises, etc. void CleanupState(void); //@cmember cleans up our member data, etc. //@cmember draws frame around object void DrawFrame(const CDisplay *pdp, HDC hdc, RECT* prc); //@cmember helper to draw frame handles void DrawHandle(HDC hdc, int x, int y); //@cmember helper to check for hit on a handle void CreateDib(HDC hdc); //@cmember helper to create DIB for WinCE bitmaps void DrawDib(HDC hdc, RECT *prc); //@cmember helper to draw WinCE bitmaps BOOL InHandle(int x, int y, const POINT &pt); //@cmember to restablish rectangle position enum { SE_NOTACTIVATING, SE_ACTIVATING }; // used by SetExtent to indicate // the context of the SetExtent call //@cmember Attempts to set object extents HRESULT SetExtent(int iActivating); CTxtEdit * _ped; //@cmember edit context for this object IUnknown * _punkobj; //@cmember pointer to the objects IUnknown. IStorage * _pstg; //@cmember storage for the object RECT _rcPos ; //@cmember position rect in client coords SIZEL _sizel; //@cmember cached "real" size of the object LONG _cp; //@cmember position of this object DWORD _dwConn; //@cmember advise connection cookie HGLOBAL _hdata; HBITMAP _hdib; ImageInfo * _pimageinfo; struct PersistedInfo { DWORD dwFlags; //@cmember see richole.h DWORD dwUser; //@cmember user defined DWORD dvaspect; //@cmember from the DVASPECT enumeration }; PersistedInfo _pi; SHORT _dxyFrame; //@cmember Object frame width DWORD _fInPlaceActive:1; //@cmember inplace active? DWORD _fInUndo:1; //@cmember in the undo stack? DWORD _fIsWordArt2:1; //@cmember Is this object a WordArt 2.0 // object? (need to do hacks for it) DWORD _fIsPaintBrush:1; //@cmember Is this object a PaintBrush // object? (need to do hacks for it) DWORD _fPBUseLocalSizel:1; //@cmember Signals that SetExtent // for a PaintBrush object failed and that // _sizel is an accurate indication of object size DWORD _fDraw:1; //@cmember Should object be drawn? DWORD _fSetExtent:1; //@cmember Does SetExtent need to be called //when activating. DWORD _fGuardPosRect:1; //@cmember Guards position rect from updating DWORD _fDeactivateCalled:1;//@cmember Whether deactivate has been called. DWORD _fAspectChanged:1; //@cmember Forces FetchObjectExtents to call through when aspect changes DWORD _fViewChange:1; //@cmember flag to indicate size of object changed DWORD _fActivateCalled:1; //@member Are we in the middle of the activation sequence? #ifdef LINESERVICES public: PLSDNODE _plsdnTop; //@cmember Ptr to LS display node #endif }; #endif // __COLEOBJ_H_