1714 lines
53 KiB
C++
1714 lines
53 KiB
C++
//+---------------------------------------------------------------------------
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//
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// File: o2base.hxx
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//
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// Contents: Compound Document Object helper library definitions
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//
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// Classes:
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// OLEBorder
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// InPlaceBorder
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// StdClassFactory
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// ViewAdviseHolder
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//
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// ---
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//
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// Functions:
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// HimetricFromHPix
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// HimetricFromVPix
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// HPixFromHimetric
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// VPixFromHimetric
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//
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// WatchInterface
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//
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// OleAllocMem
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// OleFreeMem
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// OleAllocString
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// OleFreeString
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//
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// IsCompatibleOleVersion
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// IsDraggingDistance
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//
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// TraceIID
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// TraceHRESULT
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//
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// RECTtoRECTL
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// RECTLtoRECT
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// ProportionateRectl
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// RectToScreen
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// RectToClient
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// IsRectInRect
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// lMulDiv
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//
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// LeadResourceData
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// GetChildWindowRect
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// SizeClientRect
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//
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// RegisterOleClipFormats
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// IsCompatibleDevice
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// IsCompatibleFormat
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// FindCompatibleFormat
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// GetObjectDescriptor
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// UpdateObjectDescriptor
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// DrawMetafile
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//
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// InsertServerMenus
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// RemoteServerMenus
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//
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// RegisterAsRunning
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// RevokeAsRunning
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//
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// CreateStreamOnFile
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//
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// CreateOLEVERBEnum
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// CreateFORMATETCEnum
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// CreateStaticEnum
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//
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// GetMonikerDisplayName
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// CreateStorageOnHGlobal
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// ConvertToMemoryStream
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// StmReadString
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// StmWriteString
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//
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// CreateViewAdviseHolder
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//
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// ---
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//
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// Macros: WATCHINTERFACE
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// IsSameIID
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//
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// TaskAllocMem
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// TaskFreeMem
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// TaskAllocString
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// TaskFreeString
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//
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// OK
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// NOTOK
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//
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// DECLARE_IUNKNOWN_METHODS
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// DECLARE_PURE_IUNKNOWN_METHODS
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// DECLARE_STANDARD_IUNKNOWN
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// IMPLEMENT_STANDARD_IUNKNOWN
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// DECLARE_DELEGATING_IUNKNOWN
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// IMPLEMENT_DELEGATING_IUNKNOWN
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// DECLARE_PRIVATE_IUNKNOWN
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// IMPLEMENT_PRIVATE_IUNKNOWN
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//
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// DECLARE_CODE_TIMER
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// IMPLEMENT_CODE_TIMER
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// START_CODE_TIMER
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// STOP_CODE_TIMER
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//
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// Enums:
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// OLE_SERVER_STATE
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//
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// OBPARTS
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// OLECLIPFORMAT
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//
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// ---
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//
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//----------------------------------------------------------------------------
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#ifndef _O2BASE_HXX_
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#define _O2BASE_HXX_
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// resource ID offsets for class descriptor information
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#define IDOFF_CLASSID 1 // was 0
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#define IDOFF_USERTYPEFULL 2 // was 1
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#define IDOFF_USERTYPESHORT 3 // was 2
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#define IDOFF_USERTYPEAPP 4 // was 3
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#define IDOFF_DOCFEXT 5 // was 5
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#define IDOFF_ICON 10 // was 10
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#define IDOFF_ACCELS 11 // was 11
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#define IDOFF_MENU 12 // was 12
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#define IDOFF_MGW 13 // was 13
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#define IDOFF_MISCSTATUS 14 // was 14
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#ifndef RC_INVOKED // the resource compiler is not interested in the rest
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#if DBG
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extern "C" void FAR PASCAL AssertSFL(
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LPSTR lpszClause,
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LPSTR lpszFileName,
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int nLine);
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#define Assert(f) ((f)? (void)0 : AssertSFL(#f, __FILE__, __LINE__))
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#else // !DBG
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#define Assert(x)
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#endif // DBG
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//+---------------------------------------------------------------------
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//
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// Windows helper functions
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//
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//----------------------------------------------------------------------
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LPVOID LoadResourceData(HINSTANCE hinst,
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LPCTSTR lpstrId,
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LPVOID lpvBuf,
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int cbBuf);
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void GetChildWindowRect(HWND hwndChild, LPRECT lprect);
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void SizeClientRect(HWND hwnd, RECT& rc, BOOL fMove);
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//+---------------------------------------------------------------------
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//
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// Generally useful #defines and inline functions for OLE2.
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//
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//------------------------------------------------------------------------
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// this macro can be used to put string constants in a read-only code segment
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// usage: char CODE_BASED szFoo[] = "Bar";
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#define CODE_BASED __based(__segname("_CODE"))
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// These are the major and minor version returned by OleBuildVersion
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#define OLE_MAJ_VER 0x0003
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#define OLE_MIN_VER 0x003A
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//---------------------------------------------------------------
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// SCODE and HRESULT macros
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//---------------------------------------------------------------
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#define OK(r) (SUCCEEDED(r))
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#define NOTOK(r) (FAILED(r))
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//---------------------------------------------------------------
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// GUIDs, CLSIDs, IIDs
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//---------------------------------------------------------------
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#define IsSameIID(iid1, iid2) ((iid1)==(iid2))
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//---------------------------------------------------------------
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// IUnknown
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//---------------------------------------------------------------
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//
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// This declares the set of IUnknown methods and is for general-purpose
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// use inside classes that inherit from IUnknown
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#define DECLARE_IUNKNOWN_METHODS \
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STDMETHOD(QueryInterface) (REFIID riid, LPVOID FAR* ppvObj); \
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STDMETHOD_(ULONG,AddRef) (void); \
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STDMETHOD_(ULONG,Release) (void)
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//
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// This declares the set of IUnknown methods as pure virtual methods
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//
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#define DECLARE_PURE_IUNKNOWN_METHODS \
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STDMETHOD(QueryInterface) (REFIID riid, LPVOID FAR* ppvObj) = 0; \
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STDMETHOD_(ULONG,AddRef) (void) = 0; \
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STDMETHOD_(ULONG,Release) (void) = 0
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//
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// This is for use in declaring non-aggregatable objects. It declares the
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// IUnknown methods and reference counter, _ulRefs.
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// _ulRefs should be initialized to 1 in the constructor of the object
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#define DECLARE_STANDARD_IUNKNOWN(cls) \
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DECLARE_IUNKNOWN_METHODS; \
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ULONG _ulRefs
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// note: this does NOT implement QueryInterface, which must be
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// implemented by each object
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#define IMPLEMENT_STANDARD_IUNKNOWN(cls) \
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STDMETHODIMP_(ULONG) cls##::AddRef(void) \
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{ ++_ulRefs; \
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return _ulRefs;} \
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STDMETHODIMP_(ULONG) cls##::Release(void) \
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{ ULONG ulRet = --_ulRefs; \
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if (ulRet == 0) delete this; \
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return ulRet; }
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// This is for use in declaring aggregatable objects. It declares the IUnknown
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// methods and a member pointer to the aggregate controlling unknown, _pUnkOuter,
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// that all IUnknowns delegate to except the controlling unknown of the object
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// itself.
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// _pUnkOuter must be initialized to point to either an external controlling
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// unknown or the object's own controlling unknown, depending on whether the
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// object is being created as part of an aggregate or not.
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#define DECLARE_DELEGATING_IUNKNOWN(cls) \
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DECLARE_IUNKNOWN_METHODS; \
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LPUNKNOWN _pUnkOuter
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// This, correspondingly, is for use in implementing aggregatable objects.
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// It implements the IUnknown methods by trivially delegating to the controlling
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// unknown described by _pUnkOuter.
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#define IMPLEMENT_DELEGATING_IUNKNOWN(cls) \
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STDMETHODIMP cls##::QueryInterface (REFIID riid, LPVOID FAR* ppvObj) \
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{ return _pUnkOuter->QueryInterface(riid, ppvObj); } \
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STDMETHODIMP_(ULONG) cls##::AddRef (void) \
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{ return _pUnkOuter->AddRef(); } \
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STDMETHODIMP_(ULONG) cls##::Release (void) \
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{ return _pUnkOuter->Release(); }
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// This declares a nested class that is the private unknown of the object
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#define DECLARE_PRIVATE_IUNKNOWN(cls) \
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class PrivateUnknown: public IUnknown { \
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public: \
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PrivateUnknown(cls* p##cls); \
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DECLARE_IUNKNOWN_METHODS; \
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private: \
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ULONG _ulRefs; \
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cls* _p##cls; }; \
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friend class PrivateUnknown; \
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PrivateUnknown _PrivUnk
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//
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// note: this does NOT implement QueryInterface, which must be
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// implemented by each object
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#define IMPLEMENT_PRIVATE_IUNKNOWN(cls) \
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cls##::PrivateUnknown::PrivateUnknown(cls* p##cls) \
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{ _p##cls = p##cls; _ulRefs = 1; } \
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STDMETHODIMP_(ULONG) cls##::PrivateUnknown::AddRef(void) \
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{ ++_ulRefs; \
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return _ulRefs; } \
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STDMETHODIMP_(ULONG) cls##::PrivateUnknown::Release(void) \
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{ ULONG ulRet = --_ulRefs; \
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if (ulRet == 0) delete _p##cls; \
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return ulRet; }
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//+---------------------------------------------------------------------
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//
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// Miscellaneous useful OLE helper and debugging functions
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//
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//----------------------------------------------------------------------
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#if !defined(UNICODE) && !defined(OLE2ANSI)
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LPOLESTR ConvertMBToOLESTR(LPCSTR lpStr, int cchStr);
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LPTSTR ConvertOLESTRToMB(LPCOLESTR lpStr, int cchStr);
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#endif
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#if defined(OLE2ANSI)
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#define OLETEXT(x) x
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#define ostrlen lstrlen
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#define ostrcpy lstrcpy
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#define ostrcat lstrcat
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#else
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#define OLETEXT(x) L##x
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# if defined(UNICODE)
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#define ostrlen lstrlenW
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#define ostrcat lstrcatW
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#define ostrcpy lstrcpyW
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# else
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#define ostrlen wcslen
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#define ostrcat wcscat
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#define ostrcpy wcscpy
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# endif
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#endif
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//
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// Some convenient OLE-related definitions and declarations
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//
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typedef unsigned short far * LPUSHORT;
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//REVIEW we are experimenting with a non-standard OLEMISC flag.
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#define OLEMISC_STREAMABLE 1024
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IsCompatibleOleVersion(WORD wMaj, WORD wMin);
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inline BOOL IsDraggingDistance(POINT pt1, POINT pt2)
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{
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#define MIN_DRAG_DIST 12
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return (abs(pt1.x - pt2.x) >= MIN_DRAG_DIST ||
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abs(pt1.y - pt2.y) >= MIN_DRAG_DIST);
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#undef MIN_DRAG_DIST
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}
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#if ENABLED_DBG == 1
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void TraceIID(REFIID riid);
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HRESULT TraceHRESULT(HRESULT r);
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#define TRACEIID(iid) TraceIID(iid)
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#define TRACEHRESULT(r) TraceHRESULT(r)
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#else // DBG == 0
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#define TRACEIID(iid)
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#define TRACEHRESULT(r)
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#endif // DBG
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//+---------------------------------------------------------------------
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//
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// Routines to convert Pixels to Himetric and vice versa
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//
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//----------------------------------------------------------------------
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long HimetricFromHPix(int iPix);
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long HimetricFromVPix(int iPix);
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int HPixFromHimetric(long lHi);
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int VPixFromHimetric(long lHi);
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//+---------------------------------------------------------------------
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//
|
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// Timing helpers
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//
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//------------------------------------------------------------------------
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#ifdef _TIMING
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#define DECLARE_CODE_TIMER(t) extern CTimer t
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#define IMPLEMENT_CODE_TIMER(t,s) CTimer t(s)
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#define START_CODE_TIMER(t) t.Start()
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#define STOP_CODE_TIMER(t) t.Stop()
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#else // !_TIMING
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#define DECLARE_CODE_TIMER(t)
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#define IMPLEMENT_CODE_TIMER(t,s)
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#define START_CODE_TIMER(t)
|
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#define STOP_CODE_TIMER(t)
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#endif // _TIMING
|
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//+---------------------------------------------------------------------
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//
|
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// Rectangle helper functions
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//
|
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//----------------------------------------------------------------------
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|
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//+---------------------------------------------------------------
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//
|
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// Function: RECTtoRECTL
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//
|
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// Synopsis: Converts a RECT structure to a RECTL
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//
|
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//----------------------------------------------------------------
|
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inline void RECTtoRECTL(RECT& rc, LPRECTL lprcl)
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{
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lprcl->left = (long)rc.left;
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lprcl->top = (long)rc.top;
|
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lprcl->bottom = (long)rc.bottom;
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lprcl->right = (long)rc.right;
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}
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//+---------------------------------------------------------------
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//
|
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// Function: RECTLtoRECT
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//
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// Synopsis: Converts a RECTL structure to a RECT
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//
|
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//----------------------------------------------------------------
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inline void RECTLtoRECT(RECTL& rcl, LPRECT lprc)
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{
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lprc->left = (int)rcl.left;
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lprc->top = (int)rcl.top;
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lprc->bottom = (int)rcl.bottom;
|
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lprc->right = (int)rcl.right;
|
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}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Function: RectToScreen
|
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//
|
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// Synopsis: Converts a rectangle in client coordinates of a window
|
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// to screen coordinates.
|
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//
|
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// Arguments: [hwnd] -- the window defining the client coordinate space
|
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// [lprect] -- the rectangle to be converted
|
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//
|
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//----------------------------------------------------------------
|
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inline void RectToScreen(HWND hwnd, LPRECT lprect)
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{
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POINT ptUL = { lprect->left, lprect->top };
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ClientToScreen(hwnd,&ptUL);
|
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POINT ptLR = { lprect->right, lprect->bottom };
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ClientToScreen(hwnd,&ptLR);
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lprect->left = ptUL.x;
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lprect->top = ptUL.y;
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lprect->right = ptLR.x;
|
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lprect->bottom = ptLR.y;
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}
|
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|
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//+---------------------------------------------------------------
|
||
//
|
||
// Function: RectToClient
|
||
//
|
||
// Synopsis: Converts a rectangle in screen coordinates to client
|
||
// coordinates of a window.
|
||
//
|
||
// Arguments: [hwnd] -- the window defining the client coordinate space
|
||
// [lprect] -- the rectangle to be converted
|
||
//
|
||
//----------------------------------------------------------------
|
||
|
||
inline void RectToClient(HWND hwnd, LPRECT lprect)
|
||
{
|
||
POINT ptUL = { lprect->left, lprect->top };
|
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ScreenToClient(hwnd,&ptUL);
|
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POINT ptLR = { lprect->right, lprect->bottom };
|
||
ScreenToClient(hwnd,&ptLR);
|
||
lprect->left = ptUL.x;
|
||
lprect->top = ptUL.y;
|
||
lprect->right = ptLR.x;
|
||
lprect->bottom = ptLR.y;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Function: IsRectInRect
|
||
//
|
||
// Synopsis: Determines whether one rectangle is wholly contained within
|
||
// another rectangle.
|
||
//
|
||
// Arguments: [rcOuter] -- the containing rectangle
|
||
// [lprect] -- the contained rectangle
|
||
//
|
||
//----------------------------------------------------------------
|
||
|
||
inline BOOL IsRectInRect(RECT& rcOuter, RECT& rcInner)
|
||
{
|
||
POINT pt1 = { rcInner.left, rcInner.top };
|
||
POINT pt2 = { rcInner.right, rcInner.bottom };
|
||
return PtInRect(&rcOuter, pt1) && PtInRect(&rcOuter, pt2);
|
||
}
|
||
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// IMalloc-related helpers
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
|
||
//REVIEW: We may want to cache the IMalloc pointer for efficiency
|
||
#ifdef WIN16
|
||
//
|
||
// C++ new/delete replacements that use OLE's allocators
|
||
//
|
||
|
||
void FAR* operator new(size_t size);
|
||
void FAR* operator new(size_t size, MEMCTX memctx);
|
||
void operator delete(void FAR* lpv);
|
||
|
||
#endif //WIN16
|
||
|
||
//
|
||
// inline IMalloc memory allocation functions
|
||
//
|
||
|
||
HRESULT OleAllocMem(MEMCTX ctx, ULONG cb, LPVOID FAR* ppv);
|
||
void OleFreeMem(MEMCTX ctx, LPVOID pv);
|
||
HRESULT OleAllocString(MEMCTX ctx, LPCOLESTR lpstrSrc, LPOLESTR FAR* ppstr);
|
||
void OleFreeString(MEMCTX ctx, LPOLESTR lpstr);
|
||
|
||
#define TaskAllocMem(cb, ppv) OleAllocMem(MEMCTX_TASK, cb, ppv)
|
||
#define TaskFreeMem(pv) OleFreeMem(MEMCTX_TASK, pv)
|
||
#define TaskAllocString(lpstr, ppstr) OleAllocString(MEMCTX_TASK, lpstr, ppstr)
|
||
#define TaskFreeString(lpstr) OleFreeString(MEMCTX_TASK, lpstr)
|
||
|
||
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// Border definitions and helper class
|
||
//
|
||
//------------------------------------------------------------------------
|
||
|
||
|
||
// Default value for border thickness unless over-ridden via SetThickness
|
||
#define FBORDER_THICKNESS 4
|
||
|
||
// Default values for border minimums (customize via SetMinimums)
|
||
#define FBORDER_MINHEIGHT (FBORDER_THICKNESS*2 + 8);
|
||
#define FBORDER_MINWIDTH (FBORDER_THICKNESS*2 + 8);
|
||
|
||
#define OBSTYLE_MODMASK 0xff00 /* Mask style modifier bits */
|
||
#define OBSTYLE_TYPEMASK 0x00ff /* Mask basic type definition bits */
|
||
|
||
#define OBSTYLE_RESERVED 0x8000 /* bit reserved for internal use */
|
||
#define OBSTYLE_INSIDE 0x4000 /* Inside or Outside rect? */
|
||
#define OBSTYLE_HANDLED 0x2000 /* Size Handles Drawn? */
|
||
#define OBSTYLE_ACTIVE 0x1000 /* Active Border Shading? */
|
||
#define OBSTYLE_XOR 0x0800 /* Draw with XOR? */
|
||
#define OBSTYLE_THICK 0x0400 /* double up lines? */
|
||
|
||
#define OBSTYLE_DIAGONAL_FILL 0x0001 /* Open editing */
|
||
#define OBSTYLE_SOLID_PEN 0x0002 /* Simple Outline */
|
||
|
||
#define FB_HANDLED (OBSTYLE_HANDLED | OBSTYLE_SOLID_PEN)
|
||
#define FB_OPEN OBSTYLE_DIAGONAL_FILL
|
||
#define FB_OUTLINED OBSTYLE_SOLID_PEN
|
||
#define FB_HIDDEN 0
|
||
|
||
#define MAX_OBPART 13
|
||
|
||
enum OBPARTS
|
||
{
|
||
BP_NOWHERE,
|
||
BP_TOP, BP_RIGHT, BP_BOTTOM, BP_LEFT,
|
||
BP_TOPRIGHT, BP_BOTTOMRIGHT, BP_BOTTOMLEFT, BP_TOPLEFT,
|
||
BP_TOPHAND, BP_RIGHTHAND, BP_BOTTOMHAND, BP_LEFTHAND,
|
||
BP_INSIDE
|
||
};
|
||
|
||
|
||
class OLEBorder
|
||
{
|
||
public:
|
||
OLEBorder(RECT& r);
|
||
OLEBorder(void);
|
||
~OLEBorder(void);
|
||
|
||
void SetMinimums( SHORT sMinHeight, SHORT sMinWidth );
|
||
int SetThickness(int sBorderThickness);
|
||
int GetThickness(void);
|
||
|
||
USHORT SetState(HDC hdc, HWND hwnd, USHORT usBorderState);
|
||
USHORT GetState(void);
|
||
|
||
void Draw(HDC hdc, HWND hwnd);
|
||
void Erase(HWND hwnd);
|
||
|
||
USHORT QueryHit(POINT point);
|
||
|
||
HCURSOR MapPartToCursor(USHORT usPart);
|
||
|
||
HCURSOR QueryMoveCursor(POINT ptCurrent, BOOL fMustMove);
|
||
HCURSOR BeginMove(HDC hdc, HWND hwnd, POINT ptStart, BOOL fMustMove);
|
||
RECT& UpdateMove(HDC hdc, HWND hwnd, POINT ptCurrent, BOOL fNewRegion);
|
||
RECT& EndMove(HDC hdc, HWND hwnd, POINT ptCurrent, USHORT usBorderState);
|
||
|
||
void SwitchCoords( HWND hwndFrom, HWND hwndTo );
|
||
|
||
//
|
||
//OLEBorder exposes it's RECT as a public data member
|
||
//
|
||
RECT rect;
|
||
|
||
private:
|
||
enum ICURS
|
||
{
|
||
ICURS_STD,
|
||
ICURS_NWSE,
|
||
ICURS_NESW,
|
||
ICURS_NS,
|
||
ICURS_WE
|
||
};
|
||
static BOOL fInit;
|
||
static HCURSOR ahc[5];
|
||
static int iPartMap[14];
|
||
|
||
void InitClass(void);
|
||
void GetBorderRect(RECT& rDest, int iEdge);
|
||
void GetInsideBorder(RECT& rDest, int iEdge);
|
||
void GetOutsideBorder(RECT& rDest, int iEdge);
|
||
|
||
USHORT _state;
|
||
int _sMinHeight;
|
||
int _sMinWidth;
|
||
int _sThickness;
|
||
USHORT _usPart; //which portion of border was hit?
|
||
POINT _pt; //last known point
|
||
BOOL _fErased;
|
||
};
|
||
|
||
|
||
inline void OLEBorder::SetMinimums( SHORT sMinHeight, SHORT sMinWidth )
|
||
{
|
||
_sMinHeight = sMinHeight;
|
||
_sMinWidth = sMinWidth;
|
||
}
|
||
|
||
inline int OLEBorder::GetThickness(void)
|
||
{
|
||
return(_sThickness);
|
||
}
|
||
|
||
inline int OLEBorder::SetThickness(int sBorderThickness)
|
||
{
|
||
if(sBorderThickness > 0)
|
||
{
|
||
_sThickness = sBorderThickness;
|
||
}
|
||
return(_sThickness);
|
||
}
|
||
|
||
inline USHORT OLEBorder::GetState(void)
|
||
{
|
||
return(_state);
|
||
}
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// Helper functions for implementing IDataObject and IViewObject
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
//
|
||
// Useful #defines
|
||
//
|
||
|
||
#define DVASPECT_ALL \
|
||
DVASPECT_CONTENT|DVASPECT_THUMBNAIL|DVASPECT_ICON|DVASPECT_DOCPRINT
|
||
|
||
|
||
//
|
||
// Standard OLE Clipboard formats
|
||
//
|
||
|
||
enum OLECLIPFORMAT
|
||
{
|
||
OCF_OBJECTLINK,
|
||
OCF_OWNERLINK,
|
||
OCF_NATIVE,
|
||
OCF_FILENAME,
|
||
OCF_NETWORKNAME,
|
||
OCF_DATAOBJECT,
|
||
OCF_EMBEDDEDOBJECT,
|
||
OCF_EMBEDSOURCE,
|
||
OCF_LINKSOURCE,
|
||
OCF_LINKSRCDESCRIPTOR,
|
||
OCF_OBJECTDESCRIPTOR,
|
||
OCF_OLEDRAW, OCF_LAST = OCF_OLEDRAW
|
||
};
|
||
|
||
extern UINT OleClipFormat[OCF_LAST+1]; // array of OLE standard clipboard formats
|
||
// indexed by OLECLIPFORMAT enumeration.
|
||
|
||
void RegisterOleClipFormats(void); // initializes OleClipFormat table.
|
||
|
||
//
|
||
// FORMATETC helpers
|
||
//
|
||
#define DVTARGETIGNORE (DVTARGETDEVICE FAR*)(LPVOID)ULongToPtr((DWORD)-1L)
|
||
|
||
BOOL IsCompatibleDevice(DVTARGETDEVICE FAR* ptdLeft, DVTARGETDEVICE FAR* ptdRight);
|
||
BOOL IsCompatibleFormat(FORMATETC& f1, FORMATETC& f2);
|
||
int FindCompatibleFormat(FORMATETC FmtTable[], int iSize, FORMATETC& formatetc);
|
||
|
||
//
|
||
// OBJECTDESCRIPTOR clipboard format helpers
|
||
//
|
||
|
||
HRESULT GetObjectDescriptor(LPDATAOBJECT pDataObj, LPOBJECTDESCRIPTOR pDescOut);
|
||
HRESULT UpdateObjectDescriptor(LPDATAOBJECT pDataObj, POINTL& ptl, DWORD dwAspect);
|
||
|
||
//
|
||
// Other helper functions
|
||
//
|
||
|
||
HRESULT DrawMetafile(LPVIEWOBJECT pVwObj, RECT& rc, DWORD dwAspect,
|
||
HMETAFILE FAR* pHMF);
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// IStream on top of a DOS (non-docfile) file
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
HRESULT CreateStreamOnFile(LPCSTR lpstrFile, DWORD stgm, LPSTREAM FAR* ppstrm);
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// Class: InPlaceBorder Class (IP)
|
||
//
|
||
// Synopsis: Helper Class to draw inplace activation borders around an
|
||
// object.
|
||
//
|
||
// Notes: Use of this class limits windows to the use of the
|
||
// non-client region for UIAtive borders only: Standard
|
||
// (non-control window) scroll bars are specifically NOT
|
||
// supported.
|
||
//
|
||
// History: 14-May-93 CliffG Created.
|
||
//
|
||
//------------------------------------------------------------------------
|
||
|
||
|
||
#define IPBORDER_THICKNESS 6
|
||
|
||
|
||
class InPlaceBorder
|
||
{
|
||
public:
|
||
InPlaceBorder(void);
|
||
~InPlaceBorder(void);
|
||
|
||
//
|
||
//Substitute for standard windows API: identical signature & semantics
|
||
//
|
||
LRESULT DefWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
|
||
//
|
||
//Change the server state: reflected in the nonclient window border
|
||
//
|
||
void SetUIActive(BOOL fUIActive);
|
||
BOOL GetUIActive(void);
|
||
//
|
||
//Force border state to OS_LOADED, managing the cooresponding change
|
||
//in border appearance: guaranteed redraw
|
||
//
|
||
void Erase(void);
|
||
|
||
void SetBorderSize( int cx, int cy );
|
||
void GetBorderSize( LPINT pcx, LPINT pcy );
|
||
void Bind(LPOLEINPLACESITE pSite, HWND hwnd, BOOL fUIActive );
|
||
void Attach( HWND hwnd, BOOL fUIActive );
|
||
void Detach(void);
|
||
void SetSize(HWND hwnd, RECT& rc);
|
||
void SetParentActive( BOOL fActive );
|
||
|
||
private:
|
||
BOOL _fUIActive; //current state of border
|
||
BOOL _fParentActive; //shade as active border?
|
||
HWND _hwnd; //attached window (if any)
|
||
LPOLEINPLACESITE _pSite; //InPlace site we are bound to
|
||
int _cxFrame; //border horizontal thickness
|
||
int _cyFrame; //border vertical thickness
|
||
int _cResizing; //reentrancy control flag
|
||
|
||
static WORD _cUsage; //refcount for static resources
|
||
static HBRUSH _hbrActiveCaption;
|
||
static HBRUSH _hbrInActiveCaption;
|
||
|
||
void DrawFrame(HWND hwnd);
|
||
void CalcClientRect(HWND hwnd, LPRECT lprc);
|
||
LONG HitTest(HWND hwnd, int x, int y);
|
||
void InvalidateFrame(void);
|
||
void RedrawFrame(void);
|
||
};
|
||
|
||
inline void
|
||
InPlaceBorder::Detach(void)
|
||
{
|
||
_pSite = NULL;
|
||
_hwnd = NULL;
|
||
}
|
||
|
||
inline void
|
||
InPlaceBorder::InvalidateFrame(void)
|
||
{
|
||
//cause a WM_NCCALCRECT to be generated
|
||
if(_hwnd != NULL)
|
||
{
|
||
++_cResizing;
|
||
SetWindowPos( _hwnd, NULL, 0, 0, 0, 0, SWP_FRAMECHANGED |
|
||
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER);
|
||
_cResizing--;
|
||
}
|
||
}
|
||
|
||
inline void
|
||
InPlaceBorder::RedrawFrame(void)
|
||
{
|
||
if(_hwnd != NULL)
|
||
{
|
||
++_cResizing;
|
||
UINT afuRedraw = RDW_INVALIDATE | RDW_UPDATENOW;
|
||
RedrawWindow(_hwnd, NULL, NULL, afuRedraw);
|
||
_cResizing--;
|
||
}
|
||
}
|
||
|
||
inline void
|
||
InPlaceBorder::SetParentActive( BOOL fActive )
|
||
{
|
||
_fParentActive = fActive;
|
||
RedrawFrame();
|
||
}
|
||
|
||
inline void
|
||
InPlaceBorder::CalcClientRect(HWND hwnd, LPRECT lprc)
|
||
{
|
||
if(_fUIActive)
|
||
InflateRect(lprc, -_cxFrame, -_cyFrame);
|
||
}
|
||
|
||
inline BOOL
|
||
InPlaceBorder::GetUIActive(void)
|
||
{
|
||
return _fUIActive;
|
||
}
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// Helper functions for in-place activation
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
HRESULT InsertServerMenus(HMENU hmenuShared, HMENU hmenuObject,
|
||
LPOLEMENUGROUPWIDTHS lpmgw);
|
||
|
||
void RemoveServerMenus(HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpmgw);
|
||
|
||
|
||
|
||
//---------------------------------------------------------------
|
||
// IStorage
|
||
//---------------------------------------------------------------
|
||
|
||
#define STGM_SHARE 0x000000F0
|
||
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// Running Object Table helper functions
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
void RegisterAsRunning(LPUNKNOWN lpUnk, LPMONIKER lpmkFull,
|
||
DWORD FAR* lpdwRegister);
|
||
void RevokeAsRunning(DWORD FAR* lpdwRegister);
|
||
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// Standard implementations of common enumerators
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
HRESULT CreateOLEVERBEnum(LPOLEVERB pVerbs, ULONG cVerbs,
|
||
LPENUMOLEVERB FAR* ppenum);
|
||
|
||
HRESULT CreateFORMATETCEnum(LPFORMATETC pFormats, ULONG cFormats,
|
||
LPENUMFORMATETC FAR* ppenum);
|
||
|
||
#if 0 // currently not used but useful in the future.
|
||
// we ifdef it out so it doesn't take up space
|
||
// in our servers.
|
||
HRESULT CreateStaticEnum(REFIID riid, LPVOID pStart, ULONG cSize, ULONG cCount,
|
||
LPVOID FAR* ppenum);
|
||
#endif //0
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// Standard IClassFactory implementation
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Class: StdClassFactory
|
||
//
|
||
// Purpose: Standard implementation of a class factory object
|
||
//
|
||
// Notes: *
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
class StdClassFactory: public IClassFactory
|
||
{
|
||
public:
|
||
StdClassFactory(void);
|
||
DECLARE_IUNKNOWN_METHODS;
|
||
STDMETHOD(CreateInstance)(LPUNKNOWN pUnkOuter,
|
||
REFIID iid,
|
||
LPVOID FAR* ppv) PURE;
|
||
STDMETHOD(LockServer) (BOOL fLock);
|
||
|
||
BOOL CanUnload(void);
|
||
private:
|
||
ULONG _ulRefs;
|
||
ULONG _ulLocks;
|
||
};
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// IStorage and IStream Helper functions
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
#define STGM_DFRALL (STGM_READWRITE|STGM_TRANSACTED|STGM_SHARE_DENY_WRITE)
|
||
#define STGM_DFALL (STGM_READWRITE | STGM_TRANSACTED | STGM_SHARE_EXCLUSIVE)
|
||
#define STGM_SALL (STGM_READWRITE | STGM_SHARE_EXCLUSIVE)
|
||
#define STGM_SRO (STGM_READ | STGM_SHARE_EXCLUSIVE)
|
||
|
||
HRESULT GetMonikerDisplayName(LPMONIKER pmk, LPOLESTR FAR* ppstr);
|
||
HRESULT CreateStorageOnHGlobal(HGLOBAL hgbl, LPSTORAGE FAR* ppStg);
|
||
LPSTREAM ConvertToMemoryStream(LPSTREAM pStrmFrom);
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Function: StmReadString
|
||
//
|
||
// Synopsis: Reads a string from a stream
|
||
//
|
||
// Arguments: [pStrm] -- the stream to read from
|
||
// [ppstr] -- where the string read is returned
|
||
//
|
||
// Returns: Success if the string was read successfully
|
||
//
|
||
// Notes: The string is allocated with the task allocator
|
||
// and needs to be freed by the same.
|
||
// This is an inline function.
|
||
//
|
||
//----------------------------------------------------------------
|
||
|
||
inline HRESULT StmReadString(LPSTREAM pStrm, LPSTR FAR *ppstr)
|
||
{
|
||
HRESULT r;
|
||
USHORT cb;
|
||
LPSTR lpstr = NULL;
|
||
if (OK(r = pStrm->Read(&cb, sizeof(cb), NULL)))
|
||
{
|
||
if (OK(r = TaskAllocMem(cb+1, (LPVOID FAR*)&lpstr)))
|
||
{
|
||
r = pStrm->Read(lpstr, cb, NULL);
|
||
*(lpstr+cb) = '\0';
|
||
}
|
||
}
|
||
*ppstr = lpstr;
|
||
return r;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Function: StmWriteString
|
||
//
|
||
// Synopsis: Writes a string to a stream
|
||
//
|
||
// Arguments: [pStrm] -- the stream to write to
|
||
// [lpstr] -- the string to write
|
||
//
|
||
// Returns: Success iff the string was written successfully
|
||
//
|
||
// Notes: This is an inline function.
|
||
//
|
||
//----------------------------------------------------------------
|
||
|
||
inline HRESULT StmWriteString(LPSTREAM pStrm, LPSTR lpstr)
|
||
{
|
||
HRESULT r;
|
||
USHORT cb = strlen(lpstr);
|
||
if (OK(r = pStrm->Write(&cb, sizeof(cb), NULL)))
|
||
r = pStrm->Write(lpstr, cb, NULL);
|
||
return r;
|
||
}
|
||
|
||
//+---------------------------------------------------------------------
|
||
//
|
||
// View advise holder
|
||
//
|
||
//----------------------------------------------------------------------
|
||
|
||
//
|
||
// forward declaration
|
||
//
|
||
|
||
class ViewAdviseHolder;
|
||
typedef ViewAdviseHolder FAR* LPVIEWADVISEHOLDER;
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Class: ViewAdviseHolder
|
||
//
|
||
// Purpose: Manages the view advises on behalf of a IViewObject object
|
||
//
|
||
// Notes: This is analogous to the standard DataAdviseHolder provided
|
||
// by OLE. c.f. CreateViewAdviseHolder.
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
class ViewAdviseHolder: public IUnknown
|
||
{
|
||
friend HRESULT CreateViewAdviseHolder(LPVIEWADVISEHOLDER FAR*);
|
||
public:
|
||
//*** IUnknown methods ***/
|
||
STDMETHOD(QueryInterface) (REFIID riid, LPVOID FAR* ppvObj);
|
||
STDMETHOD_(ULONG,AddRef) (void);
|
||
STDMETHOD_(ULONG,Release) (void);
|
||
|
||
//*** ViewAdviseHolder methods
|
||
STDMETHOD(SetAdvise) (DWORD aspects, DWORD advf, LPADVISESINK pAdvSink);
|
||
STDMETHOD(GetAdvise) (DWORD FAR* pAspects, DWORD FAR* pAdvf,
|
||
LPADVISESINK FAR* ppAdvSink);
|
||
void SendOnViewChange(DWORD dwAspect);
|
||
|
||
private:
|
||
ViewAdviseHolder();
|
||
~ViewAdviseHolder();
|
||
|
||
ULONG _refs;
|
||
LPADVISESINK _pAdvSink; // THE view advise sink
|
||
DWORD _dwAdviseAspects; // view aspects of interest to advise sink
|
||
DWORD _dwAdviseFlags; // view advise flags
|
||
|
||
};
|
||
|
||
HRESULT CreateViewAdviseHolder(LPVIEWADVISEHOLDER FAR* ppViewHolder);
|
||
|
||
|
||
//+------------------------------------------------------------------------
|
||
//
|
||
// Macro that calculates the number of elements in a statically-defined
|
||
// array.
|
||
//
|
||
//-------------------------------------------------------------------------
|
||
#define ARRAY_SIZE(_a) (sizeof(_a) / sizeof(_a[0]))
|
||
|
||
|
||
//======================================================================
|
||
//
|
||
// The base class stuff...
|
||
//
|
||
//
|
||
// Classes: ClassDescriptor
|
||
// SrvrCtrl
|
||
// SrvrDV
|
||
// SrvrInPlace
|
||
//
|
||
//----------------------------------------------------------------------------
|
||
|
||
|
||
enum OLE_SERVER_STATE
|
||
{
|
||
OS_PASSIVE,
|
||
OS_LOADED, // handler but no server
|
||
OS_RUNNING, // server running, invisible
|
||
OS_INPLACE, // server running, inplace-active, no U.I.
|
||
OS_UIACTIVE, // server running, inplace-active, w/ U.I.
|
||
OS_OPEN // server running, open-edited
|
||
};
|
||
|
||
// forward declarations of classes
|
||
|
||
class ClassDescriptor;
|
||
typedef ClassDescriptor FAR* LPCLASSDESCRIPTOR;
|
||
|
||
class SrvrCtrl;
|
||
typedef SrvrCtrl FAR* LPSRVRCTRL;
|
||
|
||
class SrvrDV;
|
||
typedef SrvrDV FAR* LPSRVRDV;
|
||
|
||
class SrvrInPlace;
|
||
typedef SrvrInPlace FAR* LPSRVRINPLACE;
|
||
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Class: ClassDescriptor
|
||
//
|
||
// Purpose: Global, static information about a server class
|
||
//
|
||
// Notes: This allows the base classes to implement a lot of
|
||
// OLE functionality with requiring additional virtual
|
||
// method calls on the derived classes.
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
class ClassDescriptor
|
||
{
|
||
public:
|
||
ClassDescriptor(void);
|
||
BOOL Init(HINSTANCE hinst, WORD wBaseID);
|
||
HMENU LoadMenu(void);
|
||
|
||
HINSTANCE _hinst; // instance handle of module serving this class
|
||
WORD _wBaseResID; // base resource identifier (see IDOFF_ )
|
||
CLSID _clsid; // class's unique identifier
|
||
|
||
HICON _hicon; // iconic representation of class
|
||
HACCEL _haccel; // accelerators for those menus
|
||
OLEMENUGROUPWIDTHS _mgw; // the number of Edit, Object, and Help menus
|
||
|
||
OLECHAR _szUserClassType[4][64];// [0] unused
|
||
// [1] the string assigned to classid key in reg db.
|
||
// [2] reg db: \CLSID\<clsid>\AuxUserType\2
|
||
// [3] reg db: \CLSID\<clsid>\AuxUserType\3
|
||
OLECHAR _szDocfileExt[8]; // extension for docfile files
|
||
|
||
DWORD _dwMiscStatus; // reg db: \CLSID\<clsid>\MiscStatus
|
||
|
||
//DERIVED: The derived class must supply these tables.
|
||
//REVIEW: These could be loaded from resources, too!
|
||
LPOLEVERB _pVerbTable; // pointer to list of verbs available
|
||
int _cVerbTable; // number of entries in the verb table
|
||
|
||
LPFORMATETC _pGetFmtTable; // format table for IDataObject::GetData[Here]
|
||
int _cGetFmtTable; // number of entries in the table
|
||
|
||
LPFORMATETC _pSetFmtTable; // format table for IDataObject::SetData
|
||
int _cSetFmtTable; // number of entries in the table
|
||
};
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Class: SrvrCtrl
|
||
//
|
||
// Purpose: Control subobject of OLE compound document server
|
||
//
|
||
// Notes: This class supports the IOleObject interface.
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
class SrvrCtrl : public IOleObject
|
||
{
|
||
public:
|
||
// standard verb implementations
|
||
typedef HRESULT (*LPFNDOVERB) (LPVOID, LONG, LPMSG, LPOLECLIENTSITE, LONG, HWND, LPCRECT);
|
||
static HRESULT DoShow(LPVOID, LONG, LPMSG, LPOLECLIENTSITE, LONG, HWND, LPCRECT);
|
||
static HRESULT DoOpen(LPVOID, LONG, LPMSG, LPOLECLIENTSITE, LONG, HWND, LPCRECT);
|
||
static HRESULT DoHide(LPVOID, LONG, LPMSG, LPOLECLIENTSITE, LONG, HWND, LPCRECT);
|
||
static HRESULT DoUIActivate(LPVOID, LONG, LPMSG, LPOLECLIENTSITE, LONG, HWND, LPCRECT);
|
||
static HRESULT DoInPlaceActivate(LPVOID, LONG, LPMSG, LPOLECLIENTSITE, LONG, HWND, LPCRECT);
|
||
|
||
//DERIVED: IUnknown methods are left pure virtual and must be implemented
|
||
// by the derived class
|
||
|
||
// IOleObject interface methods
|
||
STDMETHOD(SetClientSite) (LPOLECLIENTSITE pClientSite);
|
||
STDMETHOD(GetClientSite) (LPOLECLIENTSITE FAR* ppClientSite);
|
||
STDMETHOD(SetHostNames) (LPCOLESTR szContainerApp, LPCOLESTR szContainerObj);
|
||
STDMETHOD(Close) (DWORD dwSaveOption);
|
||
STDMETHOD(SetMoniker) (DWORD dwWhichMoniker, LPMONIKER pmk);
|
||
STDMETHOD(GetMoniker) (DWORD dwAssign, DWORD dwWhichMoniker,
|
||
LPMONIKER FAR* ppmk);
|
||
STDMETHOD(InitFromData) (LPDATAOBJECT pDataObject,BOOL fCreation,
|
||
DWORD dwReserved);
|
||
STDMETHOD(GetClipboardData) (DWORD dwReserved, LPDATAOBJECT FAR* ppDataObject);
|
||
STDMETHOD(DoVerb) (LONG iVerb, LPMSG lpmsg, LPOLECLIENTSITE pActiveSite,
|
||
LONG lindex, HWND hwndParent, LPCRECT lprcPosRect);
|
||
STDMETHOD(EnumVerbs) (LPENUMOLEVERB FAR* ppenumOleVerb);
|
||
STDMETHOD(Update) (void);
|
||
STDMETHOD(IsUpToDate) (void);
|
||
STDMETHOD(GetUserClassID) (CLSID FAR* pClsid);
|
||
STDMETHOD(GetUserType) (DWORD dwFormOfType, LPOLESTR FAR* pszUserType);
|
||
STDMETHOD(SetExtent) (DWORD dwDrawAspect, LPSIZEL lpsizel);
|
||
STDMETHOD(GetExtent) (DWORD dwDrawAspect, LPSIZEL lpsizel);
|
||
|
||
STDMETHOD(Advise)(IAdviseSink FAR* pAdvSink, DWORD FAR* pdwConnection);
|
||
STDMETHOD(Unadvise)(DWORD dwConnection);
|
||
STDMETHOD(EnumAdvise) (LPENUMSTATDATA FAR* ppenumAdvise);
|
||
STDMETHOD(GetMiscStatus) (DWORD dwAspect, DWORD FAR* pdwStatus);
|
||
STDMETHOD(SetColorScheme) (LPLOGPALETTE lpLogpal);
|
||
|
||
// pointers to our data/view and inplace subobjects
|
||
LPSRVRDV _pDV; // our persistent data/view subobject
|
||
LPSRVRINPLACE _pInPlace; // our inplace-active subobject
|
||
// pointers to those objects' private unknowns
|
||
LPUNKNOWN _pPrivUnkDV;
|
||
LPUNKNOWN _pPrivUnkIP;
|
||
|
||
// methods and members required by our data/view and inplace subobjects.
|
||
OLE_SERVER_STATE State(void);
|
||
void SetState(OLE_SERVER_STATE state)
|
||
{
|
||
_state = state;
|
||
};
|
||
HRESULT TransitionTo(OLE_SERVER_STATE state);
|
||
LPOLECLIENTSITE _pClientSite;
|
||
void OnSave(void);
|
||
|
||
void EnableIPB(BOOL fEnabled);
|
||
BOOL IsIPBEnabled(void);
|
||
|
||
virtual HRESULT Init(LPCLASSDESCRIPTOR pClass);
|
||
|
||
// IOleObject-related members
|
||
DWORD _dwRegROT; // our R.O.T. registration value
|
||
LPOLEADVISEHOLDER _pOleAdviseHolder;// for collection our advises
|
||
LPOLESTR _lpstrCntrApp; // top-level container application
|
||
LPOLESTR _lpstrCntrObj; // and object names
|
||
#if !defined(UNICODE) && !defined(OLE2ANSI)
|
||
LPSTR _lpstrCntrAppA; // (ANSI) top-level container application
|
||
LPSTR _lpstrCntrObjA; // (ANSI) and object names
|
||
#endif
|
||
|
||
protected:
|
||
|
||
//
|
||
// DERIVED: Each of these correspond to a unique state transition.
|
||
// The derived class may want to override to do additional processing.
|
||
//
|
||
virtual HRESULT PassiveToLoaded();
|
||
virtual HRESULT LoadedToPassive();
|
||
|
||
virtual HRESULT LoadedToRunning();
|
||
virtual HRESULT RunningToLoaded();
|
||
|
||
virtual HRESULT RunningToInPlace();
|
||
virtual HRESULT InPlaceToRunning();
|
||
|
||
virtual HRESULT InPlaceToUIActive();
|
||
virtual HRESULT UIActiveToInPlace();
|
||
|
||
virtual HRESULT RunningToOpened();
|
||
virtual HRESULT OpenedToRunning();
|
||
|
||
// constructors, initializers, and destructors
|
||
SrvrCtrl(void);
|
||
virtual ~SrvrCtrl(void);
|
||
|
||
LPCLASSDESCRIPTOR _pClass; // global info about our OLE server
|
||
|
||
OLE_SERVER_STATE _state; // our current state
|
||
|
||
BOOL _fEnableIPB; // FALSE turns off built-in border
|
||
|
||
//DERIVED: The derived class must supply table of verb functions
|
||
// parallel to the table of verbs in the class descriptor
|
||
LPFNDOVERB FAR* _pVerbFuncs; // verb function table
|
||
};
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrCtrl::State, public
|
||
//
|
||
// Synopsis: Returns the current state of the object
|
||
//
|
||
// Notes: The valid object states are closed, loaded, inplace,
|
||
// U.I. active, and open. These states are defined
|
||
// by the OLE_SERVER_STATE enumeration.
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
inline OLE_SERVER_STATE
|
||
SrvrCtrl::State(void)
|
||
{
|
||
return _state;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrCtrl::EnableIPB, public
|
||
//
|
||
// Synopsis: Enables/Disables built in InPlace border
|
||
//
|
||
//---------------------------------------------------------------
|
||
inline void
|
||
SrvrCtrl::EnableIPB(BOOL fEnabled)
|
||
{
|
||
_fEnableIPB = fEnabled;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrCtrl::IsIPBEnabled, public
|
||
//
|
||
// Synopsis: Answers whether built-in InPlace border is enabled
|
||
//
|
||
//---------------------------------------------------------------
|
||
inline BOOL
|
||
SrvrCtrl::IsIPBEnabled(void)
|
||
{
|
||
return _fEnableIPB;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Class: SrvrDV
|
||
//
|
||
// Purpose: Data/View subobject of OLE compound document server
|
||
//
|
||
// Notes: This class supports the IDataObject and IViewObject interfaces.
|
||
// It also supports the IPersist-derived interfaces.
|
||
// Objects of this class can operate as part of a complete
|
||
// server aggregation or independently as a transfer data
|
||
// object.
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
class SrvrDV: public IDataObject,
|
||
public IViewObject,
|
||
public IPersistStorage,
|
||
public IPersistStream,
|
||
public IPersistFile
|
||
{
|
||
public:
|
||
|
||
typedef HRESULT (*LPFNGETDATA) (LPSRVRDV, LPFORMATETC, LPSTGMEDIUM, BOOL);
|
||
typedef HRESULT (*LPFNSETDATA) (LPSRVRDV, LPFORMATETC, LPSTGMEDIUM);
|
||
|
||
// standard format Get/Set implementations
|
||
static HRESULT GetEMBEDDEDOBJECT(LPSRVRDV, LPFORMATETC, LPSTGMEDIUM, BOOL);
|
||
static HRESULT GetMETAFILEPICT(LPSRVRDV, LPFORMATETC, LPSTGMEDIUM, BOOL);
|
||
static HRESULT GetOBJECTDESCRIPTOR(LPSRVRDV, LPFORMATETC, LPSTGMEDIUM, BOOL);
|
||
static HRESULT GetLINKSOURCE(LPSRVRDV, LPFORMATETC, LPSTGMEDIUM, BOOL);
|
||
|
||
//
|
||
//DERIVED: IUnknown methods are left pure virtual and must be implemented
|
||
// by the derived class
|
||
|
||
//
|
||
// IDataObject interface methods
|
||
//
|
||
STDMETHOD(GetData) (LPFORMATETC pformatetcIn, LPSTGMEDIUM pmedium);
|
||
STDMETHOD(GetDataHere) (LPFORMATETC pformatetc, LPSTGMEDIUM pmedium);
|
||
STDMETHOD(QueryGetData) (LPFORMATETC pformatetc);
|
||
STDMETHOD(GetCanonicalFormatEtc) (LPFORMATETC pformatetc,
|
||
LPFORMATETC pformatetcOut);
|
||
STDMETHOD(SetData) (LPFORMATETC pformatetc, LPSTGMEDIUM pmedium,
|
||
BOOL fRelease);
|
||
STDMETHOD(EnumFormatEtc) (DWORD dwDirection, LPENUMFORMATETC FAR* ppenum);
|
||
STDMETHOD(DAdvise) (FORMATETC FAR* pFormatetc, DWORD advf,
|
||
LPADVISESINK pAdvSink, DWORD FAR* pdwConnection);
|
||
STDMETHOD(DUnadvise) (DWORD dwConnection);
|
||
STDMETHOD(EnumDAdvise) (LPENUMSTATDATA FAR* ppenumAdvise);
|
||
|
||
//
|
||
// IViewObject interface methods
|
||
//
|
||
STDMETHOD(Draw) (DWORD dwDrawAspect, LONG lindex,
|
||
void FAR* pvAspect, DVTARGETDEVICE FAR * ptd,
|
||
HDC hicTargetDev,
|
||
HDC hdcDraw,
|
||
LPCRECTL lprcBounds,
|
||
LPCRECTL lprcWBounds,
|
||
BOOL (CALLBACK * pfnContinue) (ULONG_PTR),
|
||
ULONG_PTR dwContinue);
|
||
STDMETHOD(GetColorSet) (DWORD dwDrawAspect, LONG lindex,
|
||
void FAR* pvAspect, DVTARGETDEVICE FAR * ptd,
|
||
HDC hicTargetDev,
|
||
LPLOGPALETTE FAR* ppColorSet);
|
||
STDMETHOD(Freeze)(DWORD dwDrawAspect, LONG lindex, void FAR* pvAspect,
|
||
DWORD FAR* pdwFreeze);
|
||
STDMETHOD(Unfreeze) (DWORD dwFreeze);
|
||
STDMETHOD(SetAdvise) (DWORD aspects, DWORD advf, LPADVISESINK pAdvSink);
|
||
STDMETHOD(GetAdvise) (DWORD FAR* pAspects, DWORD FAR* pAdvf,
|
||
LPADVISESINK FAR* ppAdvSink);
|
||
|
||
//
|
||
// IPersist interface methods
|
||
//
|
||
STDMETHOD(GetClassID) (LPCLSID lpClassID);
|
||
|
||
STDMETHOD(IsDirty) (void);
|
||
|
||
//
|
||
// IPersistStream interface methods
|
||
//
|
||
STDMETHOD(Load) (LPSTREAM pStm);
|
||
STDMETHOD(Save) (LPSTREAM pStm, BOOL fClearDirty);
|
||
STDMETHOD(GetSizeMax) (ULARGE_INTEGER FAR * pcbSize);
|
||
|
||
//
|
||
// IPersistStorage interface methods
|
||
//
|
||
STDMETHOD(InitNew) (LPSTORAGE pStg);
|
||
STDMETHOD(Load) (LPSTORAGE pStg);
|
||
STDMETHOD(Save) (LPSTORAGE pStgSave, BOOL fSameAsLoad);
|
||
STDMETHOD(SaveCompleted) (LPSTORAGE pStgNew);
|
||
STDMETHOD(HandsOffStorage) (void);
|
||
|
||
//
|
||
// IPersistFile interface methods
|
||
//
|
||
STDMETHOD(Load) (LPCOLESTR lpszFileName, DWORD grfMode);
|
||
STDMETHOD(Save) (LPCOLESTR lpszFileName, BOOL fRemember);
|
||
STDMETHOD(SaveCompleted) (LPCOLESTR lpszFileName);
|
||
STDMETHOD(GetCurFile) (LPOLESTR FAR * lplpszFileName);
|
||
|
||
//
|
||
// DERIVED: methods required by the control
|
||
//
|
||
virtual HRESULT GetClipboardCopy(LPSRVRDV FAR* ppDV) = 0;
|
||
virtual HRESULT GetExtent(DWORD dwAspect, LPSIZEL lpsizel);
|
||
virtual HRESULT SetExtent(DWORD dwAspect, SIZEL& sizel);
|
||
virtual void SetMoniker(LPMONIKER pmk);
|
||
HRESULT GetMoniker(DWORD dwAssign, LPMONIKER FAR* ppmk);
|
||
LPOLESTR GetMonikerDisplayName(DWORD dwAssign = OLEGETMONIKER_ONLYIFTHERE);
|
||
|
||
//
|
||
//DERIVED: The derived class should call this base class method whenever
|
||
// the data changes. This launches all appropriate advises.
|
||
//
|
||
void OnDataChange(DWORD dwAdvf = 0);
|
||
|
||
//
|
||
//DERIVED: The derived class should override these methods to perform
|
||
// rendering of its native data. These are used in the implementation of
|
||
// the IViewObject interface
|
||
//
|
||
virtual HRESULT RenderContent(DWORD dwDrawAspect,
|
||
LONG lindex,
|
||
void FAR* pvAspect,
|
||
DVTARGETDEVICE FAR * ptd,
|
||
HDC hicTargetDev,
|
||
HDC hdcDraw,
|
||
LPCRECTL lprectl,
|
||
LPCRECTL lprcWBounds,
|
||
BOOL (CALLBACK * pfnContinue) (ULONG_PTR),
|
||
ULONG_PTR dwContinue);
|
||
virtual HRESULT RenderPrint(DWORD dwDrawAspect,
|
||
LONG lindex,
|
||
void FAR* pvAspect,
|
||
DVTARGETDEVICE FAR * ptd,
|
||
HDC hicTargetDev,
|
||
HDC hdcDraw,
|
||
LPCRECTL lprectl,
|
||
LPCRECTL lprcWBounds,
|
||
BOOL (CALLBACK * pfnContinue) (ULONG_PTR),
|
||
ULONG_PTR dwContinue);
|
||
virtual HRESULT RenderThumbnail(DWORD dwDrawAspect,
|
||
LONG lindex,
|
||
void FAR* pvAspect,
|
||
DVTARGETDEVICE FAR * ptd,
|
||
HDC hicTargetDev,
|
||
HDC hdcDraw,
|
||
LPCRECTL lprectl,
|
||
LPCRECTL lprcWBounds,
|
||
BOOL (CALLBACK * pfnContinue) (ULONG_PTR),
|
||
ULONG_PTR dwContinue);
|
||
|
||
BOOL IsInNoScrible(void);
|
||
|
||
virtual HRESULT Init(LPCLASSDESCRIPTOR pClass, LPSRVRCTRL pCtrl);
|
||
virtual HRESULT Init(LPCLASSDESCRIPTOR pClass, LPSRVRDV pDV);
|
||
|
||
protected:
|
||
|
||
//
|
||
//DERIVED: The derived class should override these methods to perform
|
||
// persistent serialization and deserialization. These are used in the
|
||
// implementation of IPersistStream/Storage/File
|
||
//
|
||
virtual HRESULT LoadFromStream(LPSTREAM pStrm);
|
||
virtual HRESULT SaveToStream(LPSTREAM pStrm);
|
||
virtual DWORD GetStreamSizeMax(void);
|
||
|
||
virtual HRESULT LoadFromStorage(LPSTORAGE pStg);
|
||
virtual HRESULT SaveToStorage(LPSTORAGE pStg, BOOL fSameAsLoad);
|
||
|
||
//
|
||
// constructors, initializers, and destructors
|
||
//
|
||
SrvrDV(void);
|
||
virtual ~SrvrDV(void);
|
||
|
||
LPCLASSDESCRIPTOR _pClass; // global info about our OLE server
|
||
LPSRVRCTRL _pCtrl; // control of server aggregate or
|
||
// NULL if transfer object
|
||
//
|
||
// IDataObject-related members
|
||
//
|
||
LPMONIKER _pmk; // moniker used for LINKSOURCE
|
||
LPOLESTR _lpstrDisplayName; // cached display name of moniker
|
||
SIZEL _sizel; // used for OBJECTDESCRIPTOR and Extent
|
||
LPDATAADVISEHOLDER _pDataAdviseHolder;
|
||
|
||
//
|
||
//DERIVED: The derived class must supply table of Get functions
|
||
// and a table of Set functions parallel to the FORMATETC tables
|
||
// in the class descriptor.
|
||
//
|
||
LPFNGETDATA FAR* _pGetFuncs; // GetData(Here) function table
|
||
LPFNSETDATA FAR* _pSetFuncs; // SetData function table
|
||
|
||
LPVIEWADVISEHOLDER _pViewAdviseHolder;
|
||
|
||
unsigned _fFrozen: 1; // blocked from updating
|
||
unsigned _fDirty: 1; // TRUE iff persistent data has changed
|
||
unsigned _fNoScribble: 1; // between save and save completed
|
||
|
||
// IPersistStorage-related members
|
||
LPSTORAGE _pStg; // our home IStorage instance
|
||
};
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrDV::IsInNoScrible, public
|
||
//
|
||
// Synopsis: Answers wether we are currently in no-scribble mode
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
inline BOOL
|
||
SrvrDV::IsInNoScrible(void)
|
||
{
|
||
return _fNoScribble;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Class: SrvrInPlace
|
||
//
|
||
// Purpose: Inplace subobject of OLE compound document server
|
||
//
|
||
// Notes: This class supports the IOleInPlaceObject and
|
||
// IOleInPlaceActiveObject interfaces.
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
class SrvrInPlace: public IOleInPlaceObject,
|
||
public IOleInPlaceActiveObject
|
||
{
|
||
public:
|
||
//DERIVED: IUnknown methods are left pure virtual and must be implemented
|
||
// by the derived class
|
||
|
||
// IOleWindow interface methods
|
||
STDMETHOD(GetWindow) (HWND FAR* lphwnd);
|
||
STDMETHOD(ContextSensitiveHelp) (BOOL fEnterMode);
|
||
|
||
// IOleInPlaceObject interface methods
|
||
STDMETHOD(InPlaceDeactivate) (void);
|
||
STDMETHOD(UIDeactivate) (void);
|
||
STDMETHOD(SetObjectRects) (LPCRECT lprcPosRect, LPCRECT lprcClipRect);
|
||
STDMETHOD(ReactivateAndUndo) (void);
|
||
|
||
// IOleInPlaceActiveObject methods
|
||
STDMETHOD(TranslateAccelerator) (LPMSG lpmsg);
|
||
STDMETHOD(OnFrameWindowActivate) (BOOL fActivate);
|
||
STDMETHOD(OnDocWindowActivate) (BOOL fActivate);
|
||
STDMETHOD(ResizeBorder) (LPCRECT lprectBorder,
|
||
LPOLEINPLACEUIWINDOW lpUIWindow,
|
||
BOOL fFrameWindow);
|
||
STDMETHOD(EnableModeless) (BOOL fEnable);
|
||
|
||
// methods and members required by the other subobjects.
|
||
HWND WindowHandle(void);
|
||
void SetChildActivating(BOOL fGoingActive);
|
||
BOOL GetChildActivating(void);
|
||
BOOL IsDeactivating(void);
|
||
void ReflectState(BOOL fUIActive);
|
||
|
||
LPOLEINPLACEFRAME _pFrame; // our in-place active frame
|
||
LPOLEINPLACEUIWINDOW _pDoc; // our in-place active document
|
||
|
||
//DERIVED: These methods are called by the control to effect a
|
||
// state transition. The derived class can override these methods if
|
||
// it requires additional processing.
|
||
virtual HRESULT ActivateInPlace(IOleClientSite *pClientSite);
|
||
virtual HRESULT DeactivateInPlace(void);
|
||
virtual HRESULT ActivateUI(void);
|
||
virtual HRESULT DeactivateUI(void);
|
||
|
||
//DERIVED: These methods are related to U.I. activation. The derived
|
||
// class should override these to perform additional processing for
|
||
// any frame, document, or floating toolbars or palettes.
|
||
virtual void InstallUI(void);
|
||
virtual void RemoveUI(void);
|
||
|
||
LPOLEINPLACESITE _pInPlaceSite; // our in-place client site
|
||
|
||
virtual HRESULT Init(LPCLASSDESCRIPTOR pClass, LPSRVRCTRL pCtrl);
|
||
|
||
protected:
|
||
|
||
//DERIVED: More U.I. activation-related methods.
|
||
virtual void CreateUI(void);
|
||
virtual void DestroyUI(void);
|
||
virtual void InstallFrameUI(void);
|
||
virtual void RemoveFrameUI(void);
|
||
virtual void InstallDocUI(void);
|
||
virtual void RemoveDocUI(void);
|
||
virtual void ClearSelection(void);
|
||
virtual void SetFocus(HWND hwnd);
|
||
|
||
//DERIVED: The derived class must override this function to
|
||
// attach the servers in-place active window.
|
||
virtual HWND AttachWin(HWND hwndParent) = 0;
|
||
virtual void DetachWin(void);
|
||
|
||
SrvrInPlace(void);
|
||
virtual ~SrvrInPlace(void);
|
||
|
||
LPCLASSDESCRIPTOR _pClass; // global info about our class
|
||
|
||
LPSRVRCTRL _pCtrl; // the control we are part of.
|
||
|
||
// IOleInPlaceObject-related members
|
||
unsigned _fUIDown: 1; // menu/tools integrated with container?
|
||
unsigned _fChildActivating: 1; // site going UIActive?
|
||
unsigned _fDeactivating: 1; // being deactivated from the outside?
|
||
unsigned _fCSHelpMode: 1; // in context-sensitive help state?
|
||
|
||
OLEINPLACEFRAMEINFO _frameInfo; // accelerator information from our container
|
||
|
||
InPlaceBorder _IPB; // our In-Place border when UIActive
|
||
RECT _rcFrame; // our frame rect
|
||
|
||
HWND _hwnd; // our InPlace window
|
||
HMENU _hmenu;
|
||
HOLEMENU _hOleMenu; // menu registered w/ OLE
|
||
HMENU _hmenuShared; // the shared menu when we are UI active
|
||
OLEMENUGROUPWIDTHS _mgw; // menu interleaving information
|
||
|
||
BOOL _fClientResize; // TRUE during calls to SetObjectRects
|
||
};
|
||
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrInPlace::IsDeactivating, public
|
||
//
|
||
// Synopsis: Gets value of a flag indicating deactivation
|
||
// (from the outside) in progress
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
inline BOOL
|
||
SrvrInPlace::IsDeactivating(void)
|
||
{
|
||
return _fDeactivating;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrInPlace::GetChildActivating, public
|
||
//
|
||
// Synopsis: Gets value of a flag indicating that a child is
|
||
// activating to prevent menu flashing
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
inline BOOL
|
||
SrvrInPlace::GetChildActivating(void)
|
||
{
|
||
return _fChildActivating;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrInPlace::SetChildActivating, public
|
||
//
|
||
// Synopsis: Sets or clears a flag indicating that a child is
|
||
// activating to prevent menu flashing
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
inline void
|
||
SrvrInPlace::SetChildActivating(BOOL fGoingActive)
|
||
{
|
||
_fChildActivating = fGoingActive;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrInPlace::WindowHandle, public
|
||
//
|
||
// Synopsis: Returns object window handle
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
inline HWND
|
||
SrvrInPlace::WindowHandle(void)
|
||
{
|
||
return _hwnd;
|
||
}
|
||
|
||
//+---------------------------------------------------------------
|
||
//
|
||
// Member: SrvrInPlace::ReflectState, public
|
||
//
|
||
// Synopsis: TBD
|
||
//
|
||
//---------------------------------------------------------------
|
||
|
||
inline void
|
||
SrvrInPlace::ReflectState(BOOL fActive)
|
||
{
|
||
if(_pCtrl->IsIPBEnabled())
|
||
{
|
||
_IPB.SetUIActive(fActive);
|
||
}
|
||
}
|
||
|
||
#endif // !RC_INVOKED
|
||
|
||
|
||
#endif //_O2BASE_HXX_
|
||
|