300 lines
10 KiB
C
300 lines
10 KiB
C
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/*
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* @doc INTERNAL
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*
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* @module _COLEOBJ.H The OLE Object management class |
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*
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* Author: alexgo 10/24/95
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*
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* Copyright (c) 1995-2000, Microsoft Corporation. All rights reserved.
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*/
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#ifndef __COLEOBJ_H__
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#define __COLEOBJ_H__
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#ifndef NOINKOBJECT
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#include "HWXInk.h"
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#endif
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#include "_notmgr.h"
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#ifndef NOLINESERVICES
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extern "C" {
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#include "plsdnode.h"
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}
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#endif
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class CDisplay;
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class CDevDesc;
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class CTxtEdit;
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class IUndoBuilder;
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/*
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* COleObject
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*
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* @class This class manages an individual OLE object embedding.
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*
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*/
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class COleObject : public IOleClientSite, public IOleInPlaceSite,
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public IAdviseSink, public CSafeRefCount, public ITxNotify
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{
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//@access Public methods
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public:
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//
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// IUnknown methods
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//
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STDMETHOD(QueryInterface)(REFIID riid, void **pv);
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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//
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// IOleClientSite methods
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//
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STDMETHOD(SaveObject)(void);
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STDMETHOD(GetMoniker)(DWORD dwAssign, DWORD dwWhichMoniker,
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IMoniker **ppmk);
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STDMETHOD(GetContainer)(IOleContainer **ppContainer);
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STDMETHOD(ShowObject)(void);
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STDMETHOD(OnShowWindow)(BOOL fShow);
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STDMETHOD(RequestNewObjectLayout)(void);
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//
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// IOleInPlaceSite methods
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//
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STDMETHOD(GetWindow)(HWND *phwnd);
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STDMETHOD(ContextSensitiveHelp)(BOOL fEnterMode);
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STDMETHOD(CanInPlaceActivate)(void);
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STDMETHOD(OnInPlaceActivate)(void);
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STDMETHOD(OnUIActivate)(void);
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STDMETHOD(GetWindowContext)(IOleInPlaceFrame **ppFrame,
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IOleInPlaceUIWindow **ppDoc, LPRECT lprcPosRect,
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LPRECT lprcClipRect,
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LPOLEINPLACEFRAMEINFO lpFrameInfo);
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STDMETHOD(Scroll)(SIZE scrollExtant);
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STDMETHOD(OnUIDeactivate)(BOOL fUndoable);
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STDMETHOD(OnInPlaceDeactivate)(void);
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STDMETHOD(DiscardUndoState)(void);
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STDMETHOD(DeactivateAndUndo)(void);
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STDMETHOD(OnPosRectChange)(LPCRECT lprcPosRect);
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//
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// IAdviseSink methods
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//
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STDMETHOD_(void, OnDataChange)(FORMATETC *pfetc, STGMEDIUM *pmedium);
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STDMETHOD_(void, OnViewChange)(DWORD dwAspect, LONG lindex);
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STDMETHOD_(void, OnRename)(IMoniker *pmk);
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STDMETHOD_(void, OnSave)(void);
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STDMETHOD_(void, OnClose)(void);
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//
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// ITxNotify methods
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//
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virtual void OnPreReplaceRange( LONG cp, LONG cchDel, LONG cchNew,
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LONG cpFormatMin, LONG cpFormatMax, NOTIFY_DATA *pNotifyData );
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virtual void OnPostReplaceRange( LONG cp, LONG cchDel, LONG cchNew,
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LONG cpFormatMin, LONG cpFormatMax, NOTIFY_DATA *pNotifyData );
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virtual void Zombie();
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//
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// internal public methods
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//
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COleObject(CTxtEdit *ped); //@cmember Constructor
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LONG GetCp() {return _cp;} //@cmember Get cp for this object
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CTxtEdit *GetPed() {return _ped;} //@cmember Get ped for this object
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//@cmember Fill out the REOBJECT struct
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HRESULT GetObjectData(REOBJECT *preobj, DWORD dwFlags);
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BOOL IsLink(); //@cmember returns TRUE if the object
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// is a link object.
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//@cmember Initialize from the given
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// object data
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HRESULT InitFromREOBJECT(LONG cp, REOBJECT *preobj);
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//@cmember Measures the object (no outgoing calls)
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void MeasureObj(long dvpInch, long dupInch, LONG & dup, LONG & dvpAscent,
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LONG & dvpDescent, SHORT dvpDescentFont, TFLOW tflow);
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//@cmember Draws the object
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void DrawObj(const CDisplay *pdp, long dypInch, long dxpInch, HDC hdc, const RECTUV *prcClip,
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BOOL fMetafile, POINTUV *ppt, LONG yBaselineLine, LONG yDescentMaxCur, TFLOW tflow);
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//@cmember Handle the object being
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// deleted from the backing store
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void Delete(IUndoBuilder *publdr);
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void Restore(); //@cmember restore an object into
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// the backing store
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//@cmember Force a close on the
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// object
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void Close(DWORD dwSaveOption);
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//@cmember Zombie the object.
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void MakeZombie(void);
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//@cmember Activate the object
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BOOL ActivateObj(UINT uiMsg, WPARAM wParam, LPARAM lParam);
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HRESULT DeActivateObj(void); //@cmember Aeactivate the object
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//@cmember Set individual selection
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//state of object
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void GetRectuv(RECTUV &rc);
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void FetchObjectExtents(void);//@cmember Gets the size of the object
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//@cmember return REO_SELECTED state
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BOOL FWrapTextAround(void) const {return (_pi.dwFlags & REO_WRAPTEXTAROUND) != 0;}
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BOOL FAlignToRight(void) const {return (_pi.dwFlags & REO_ALIGNTORIGHT) != 0;}
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BOOL GetREOSELECTED(void) {return (_pi.dwFlags & REO_SELECTED);}
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//@cmember set REO_SELECTED state
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void SetREOSELECTED(BOOL fSelect);
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//@cmember checks for hits on frame handles
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WCHAR* CheckForHandleHit(const POINTUV &pt, BOOL fLogical = FALSE);
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//@cmember handle object resize
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BOOL HandleResize(const POINT &pt);
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//@cmember sets object size
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void Resize(const SIZEUV &size, BOOL fCreateAntiEvent);
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//@cmember update _size
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void ResetSize(const SIZEUV &size)
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{_size = size;}
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//@cmember called when object position changes
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void OnReposition();
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//@cmember gets objects IUnknown
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IUnknown * GetIUnknown(void) {return _punkobj;}
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//@cmember converts to the specified class
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HRESULT Convert(REFCLSID rclsidNew, LPCSTR lpstrUserTypeNew);
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//@cmember activate as the specified class
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HRESULT ActivateAs(REFCLSID rclsid, REFCLSID rclsidAs);
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//@cmember set aspect to use
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void SetDvaspect(DWORD dvaspect);
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//@cmember get current aspect
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DWORD GetDvaspect()
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{ return _pi.dvaspect; }
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//@cmember see IPersistStore::HandsOffStorage
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void HandsOffStorage(void);
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//@cmember see IPersistStore::SaveCompleted
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void SaveCompleted(LPSTORAGE lpstg);
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//@cmember set REO_LINKAVAILABLE flag
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HRESULT SetLinkAvailable(BOOL fAvailable);
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//@cmember Used for textize support
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LONG WriteTextInfoToEditStream(EDITSTREAM *pes, UINT CodePage);
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void SetHdata(HGLOBAL hg) {_hdata = hg;} //@cmember get the _hdata member
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void GetSize(SIZEUV &size) {size = _size;}
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//&cmember gets the _size member
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DWORD GetFlags() {return _pi.dwFlags;}
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//&cmember gets the _sizel member
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DWORD GetUser() {return _pi.dwUser;}
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//&cmember gets the _sizel member
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DWORD GetAspect() {return _pi.dvaspect;}
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//&cmember gets the _sizel member
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// For internal use without reentering undo system.
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STDMETHOD(SafeSaveObject)(void);
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HGLOBAL GetHdata() {return _hdata;}
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struct ImageInfo
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{
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LONG xScale, yScale; // @field scaling percentage along axes
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SHORT xExtGoal, yExtGoal; // @field desired dimensions in twips for pictures
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SHORT cBytesPerLine; // @field # bytes per raster line, if bitmap
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};
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//@cmember set the _pimageinfo member
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void SetImageInfo(struct ImageInfo *pim) {_pimageinfo = pim;}
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//@cmember get the _pimageinfo member
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ImageInfo *GetImageInfo() {return _pimageinfo;}
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#ifdef DEBUG
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void DbgDump(DWORD id);
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#endif
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BOOL GetViewChanged() {return _fViewChange;}
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void ResetViewChanged() {_fViewChange = FALSE;}
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//@access Private methods and data
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private:
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virtual ~COleObject(); //@cmember Destructor
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void SavePrivateState(void);//@cmember Saves private information
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HRESULT ConnectObject(void);//@cmember setup advises, etc.
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void DisconnectObject(void);//@cmember tear down advises, etc.
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void CleanupState(void); //@cmember cleans up our member data, etc.
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//@cmember draws frame around object
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void DrawFrame(const CDisplay *pdp, HDC hdc, RECT* prc);
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//@cmember helper to draw frame handles
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void DrawHandle(HDC hdc, int x, int y);
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//@cmember helper to check for hit on a handle
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void CreateDib(HDC hdc);
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//@cmember helper to create DIB for WinCE bitmaps
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void DrawDib(HDC hdc, RECT *prc);
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//@cmember helper to draw WinCE bitmaps
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BOOL InHandle(int up, int vp, const POINTUV &pt);
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//@cmember to restablish rectangle position
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enum { SE_NOTACTIVATING, SE_ACTIVATING }; // used by SetExtent to indicate
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// the context of the SetExtent call
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//@cmember Attempts to set object extents
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HRESULT SetExtent(int iActivating);
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CTxtEdit * _ped; //@cmember edit context for this object
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IUnknown * _punkobj; //@cmember pointer to the objects IUnknown.
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IStorage * _pstg; //@cmember storage for the object
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SIZEUV _size; //@cmember cached "real" size of the object
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LONG _cp; //@cmember position of this object
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DWORD _dwConn; //@cmember advise connection cookie
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HGLOBAL _hdata;
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HBITMAP _hdib;
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ImageInfo * _pimageinfo;
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struct PersistedInfo
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{
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DWORD dwFlags; //@cmember see richole.h
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DWORD dwUser; //@cmember user defined
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DWORD dvaspect; //@cmember from the DVASPECT enumeration
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};
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PersistedInfo _pi;
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SHORT _dxyFrame; //@cmember Object frame width
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WORD _fInPlaceActive:1; //@cmember inplace active?
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WORD _fInUndo:1; //@cmember in the undo stack?
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WORD _fIsWordArt2:1; //@cmember Is this object a WordArt 2.0
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// object? (need to do hacks for it)
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WORD _fIsPaintBrush:1; //@cmember Is this object a PaintBrush
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// object? (need to do hacks for it)
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WORD _fPBUseLocalSize:1;
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//@cmember Signals that SetExtent
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// for a PaintBrush object failed and that
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// _size is an accurate indication of object size
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WORD _fDraw:1; //@cmember Should object be drawn?
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WORD _fSetExtent:1; //@cmember Does SetExtent need to be called
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// when activating.
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WORD _fDeactivateCalled:1;//@cmember Whether deactivate has been called.
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WORD _fAspectChanged:1; //@cmember Forces FetchObjectExtents to call through when aspect changes
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WORD _fViewChange:1; //@cmember flag to indicate size of object changed
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WORD _fActivateCalled:1; //@member Are we in the middle of the activation sequence?
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WORD _fIsInkObject:1; //@member Is this object a Ink Object
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#ifndef NOINKOBJECT
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public:
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ILineInfo *_pILineInfo; //@member Ink object ILineInfo
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BOOL IsInkObject() { return _fIsInkObject; };
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#endif
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#ifndef NOLINESERVICES
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public:
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PLSDNODE _plsdnTop; //@cmember Ptr to LS display node
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#endif
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//VikramM - hacks added for E-Book
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private:
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BOOL _fIsEBookImage; //@flags this is a ebook image that needs special treatment
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LPARAM _EBookImageID;
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SIZE _sizeEBookImage;
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public: //E-Book functions
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void IsEbookImage(BOOL fIs) { _fIsEBookImage = fIs; };
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void SetEBookImageID(LPARAM lParam) { _EBookImageID = lParam ; };
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void SetEBookImageSizeDP(SIZE size) {_sizeEBookImage = size; };
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};
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#endif // __COLEOBJ_H_
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