Source code of Windows XP (NT5)
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//=--------------------------------------------------------------------------=
// ControlObject.H
//=--------------------------------------------------------------------------=
// Copyright 1995 Microsoft Corporation. All Rights Reserved.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//=--------------------------------------------------------------------------=
//
// class declaration for the COleControl object
//
#ifndef _CONTROLOBJECT_H_
// we need the automation object and ctlole.h
//
#include "AutoObj.H"
#include "Macros.H"
// For VC++ 4.2 include files and above, all OCX96.H declarations are in OCIDL.H
// For VB 5.0 build tools, we must include OCX96.H to get this declares.
//
#ifndef __ocidl_h__
#include "ocx96.h"
#endif
// These are the original QA structures. We preserve the declarations here
// because if the structure size changes (i.e., gets larger) in OCIDL.H
// then controls will begin to fail QuickActivate when hosted on older
// containers.
//
typedef struct tagQACONTAINER_OLD
{
ULONG cbSize;
IOleClientSite __RPC_FAR *pClientSite;
IAdviseSinkEx __RPC_FAR *pAdviseSink;
IPropertyNotifySink __RPC_FAR *pPropertyNotifySink;
IUnknown __RPC_FAR *pUnkEventSink;
DWORD dwAmbientFlags;
OLE_COLOR colorFore;
OLE_COLOR colorBack;
IFont __RPC_FAR *pFont;
IOleUndoManager __RPC_FAR *pUndoMgr;
DWORD dwAppearance;
LONG lcid;
HPALETTE hpal;
struct IBindHost __RPC_FAR *pBindHost;
} QACONTAINER_OLD;
typedef struct tagQACONTROL_OLD
{
ULONG cbSize;
DWORD dwMiscStatus;
DWORD dwViewStatus;
DWORD dwEventCookie;
DWORD dwPropNotifyCookie;
DWORD dwPointerActivationPolicy;
} QACONTROL_OLD;
// forward declaration
//
class COleControl;
//=--------------------------------------------------------------------------=
// Misc Helper Functions
//=--------------------------------------------------------------------------=
//
// given an Unknown pointer, get the COleControl * for it. used typically
// in property page code.
//
COleControl *ControlFromUnknown(IUnknown *);
//=--------------------------------------------------------------------------=
// Misc Constants
//=--------------------------------------------------------------------------=
// superclass window support. you can pass this in to DoSuperClassPaint
//
#define DRAW_SENDERASEBACKGROUND 1
//=--------------------------------------------------------------------------=
// Various Hosts don't handle OLEIVERB_PROPERTIES correctly, so we can't use
// that as our Properties verb number. Instead, we're going to define
// CTLIVERB_PROPERTIES as 1, and return that one in IOleObject::EnumVerbs,
// but we'll still handle OLEIVERB_PROPERTIES correctly in DoVerb.
//
#define CTLIVERB_PROPERTIES 1
//=--------------------------------------------------------------------------=
// this structure is like the OLEVERB structure, except that it has a resource ID
// instead of a string for the verb's name. better support for localization.
//
typedef struct tagVERBINFO {
LONG lVerb; // verb id
ULONG idVerbName; // resource ID of verb name
DWORD fuFlags; // verb flags
DWORD grfAttribs; // Specifies some combination of the verb attributes in the OLEVERBATTRIB enumeration.
} VERBINFO;
//=--------------------------------------------------------------------------=
// CONTROLOBJECTINFO
//=--------------------------------------------------------------------------=
// for each control you wish to expose to the programmer/user, you need to
// declare and define one of the following structures. the first part should
// follow the rules of the AUTOMATIONOBJECTINFO structure. it's pretty hard,
// however, to imagine a scenario where the control isn't CoCreatable ...
// once this structre is declared/defined, an entry should be put in the
// global g_ObjectInfo table.
//
typedef struct {
AUTOMATIONOBJECTINFO AutomationInfo; // automation and creation information
DWORD dwOleMiscFlags; // control flags
DWORD dwActivationPolicy; // IPointerInactive support
VARIANT_BOOL fOpaque; // is your control 100% opaque?
VARIANT_BOOL fWindowless; // do we do windowless if we can?
WORD wToolboxId; // resource ID of Toolbox Bitmap
LPCSTR szWndClass; // name of window control class
VARIANT_BOOL fWindowClassRegistered; // has the window class been registered yet?
WORD cPropPages; // number of property pages
const GUID **rgPropPageGuids; // array of the property page GUIDs
WORD cCustomVerbs; // number of custom verbs
const VERBINFO *rgCustomVerbs; // description of custom verbs
WNDPROC pfnSubClass; // for subclassed controls.
} CONTROLOBJECTINFO;
#ifndef INITOBJECTS
#define DEFINE_CONTROLOBJECT(name, clsid, progid, fn, ver, riid, pszh, piide, dwcf, dwap, w, szwc, cpp, rgppg, ccv, rgcv) \
extern CONTROLOBJECTINFO name##Control \
#define DEFINE_WINDOWLESSCONTROLOBJECT(name, clsid, progid, fn, ver, riid, pszh, piide, dwcf, dwap, fo, w, szwc, cpp, rgppg, ccv, rgcv) \
extern CONTROLOBJECTINFO name##Control \
#define DEFINE_CONTROLOBJECT2(name, clsid, progid, lblname, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
extern CONTROLOBJECTINFO name##Control \
#define DEFINE_WINDOWLESSCONTROLOBJECT2(name, clsid, progid, lblname, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, fo, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
extern CONTROLOBJECTINFO name##Control \
#define DEFINE_CONTROLOBJECT3(name, clsid, progid, lblname, precreatefn, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
extern CONTROLOBJECTINFO name##Control \
#define DEFINE_WINDOWLESSCONTROLOBJECT3(name, clsid, progid, lblname, precreatefn, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, fo, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
extern CONTROLOBJECTINFO name##Control \
#else
#define DEFINE_CONTROLOBJECT(name, clsid, progid, fn, ver, riid, pszh, piide, dwcf, dwap, w, szwc, cpp, rgppg, ccv, rgcv) \
CONTROLOBJECTINFO name##Control = { { {clsid, progid, NULL, TRUE, fn, NULL}, ver, 0, riid, piide, pszh, NULL, 0}, dwcf, dwap, TRUE, FALSE, w, szwc, FALSE, cpp, rgppg, ccv, rgcv, NULL} \
#define DEFINE_WINDOWLESSCONTROLOBJECT(name, clsid, progid, fn, ver, riid, pszh, piide, dwcf, dwap, fo, w, szwc, cpp, rgppg, ccv, rgcv) \
CONTROLOBJECTINFO name##Control = { { {clsid, progid, NULL, TRUE, fn, NULL}, ver, 0, riid, piide, pszh, NULL, 0}, dwcf, dwap, fo, TRUE, w, szwc, FALSE, cpp, rgppg, ccv, rgcv, NULL} \
#define DEFINE_CONTROLOBJECT2(name, clsid, progid, lblname, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
CONTROLOBJECTINFO name##Control = { { {clsid, progid, lblname, fthreadsafe, fn, NULL}, ver, vermin, riid, piide, pszh, NULL, 0}, dwcf, dwap, TRUE, FALSE, w, szwc, FALSE, cpp, rgppg, ccv, rgcv, NULL} \
#define DEFINE_WINDOWLESSCONTROLOBJECT2(name, clsid, progid, lblname, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, fo, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
CONTROLOBJECTINFO name##Control = { { {clsid, progid, lblname, fthreadsafe, fn, NULL}, ver, vermin, riid, piide, pszh, NULL, 0}, dwcf, dwap, fo, TRUE, w, szwc, FALSE, cpp, rgppg, ccv, rgcv, NULL} \
#define DEFINE_CONTROLOBJECT3(name, clsid, progid, lblname, precreatefn, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
CONTROLOBJECTINFO name##Control = { { {clsid, progid, lblname, fthreadsafe, fn, precreatefn}, ver, vermin, riid, piide, pszh, NULL, 0}, dwcf, dwap, TRUE, FALSE, w, szwc, FALSE, cpp, rgppg, ccv, rgcv, NULL} \
#define DEFINE_WINDOWLESSCONTROLOBJECT3(name, clsid, progid, lblname, precreatefn, fn, ver, vermin, riid, pszh, piide, dwcf, dwap, fo, w, szwc, cpp, rgppg, ccv, rgcv, fthreadsafe) \
CONTROLOBJECTINFO name##Control = { { {clsid, progid, lblname, fthreadsafe, fn, precreatefn}, ver, vermin, riid, piide, pszh, NULL, 0}, dwcf, dwap, fo, TRUE, w, szwc, FALSE, cpp, rgppg, ccv, rgcv, NULL} \
#endif // !INITOBJECTS
#define OLEMISCFLAGSOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->dwOleMiscFlags
#define FCONTROLISWINDOWLESS(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->fWindowless
#define FCONTROLISOPAQUE(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->fOpaque
#define ACTIVATIONPOLICYOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->dwActivationPolicy
#define WNDCLASSNAMEOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->szWndClass
#define CPROPPAGESOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->cPropPages
#define PPROPPAGESOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->rgPropPageGuids
#define CCUSTOMVERBSOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->cCustomVerbs
#define CUSTOMVERBSOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->rgCustomVerbs
#define BITMAPIDOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->wToolboxId
#define CTLWNDCLASSREGISTERED(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->fWindowClassRegistered
#define SUBCLASSWNDPROCOFCONTROL(index) ((CONTROLOBJECTINFO *)(g_ObjectInfo[index].pInfo))->pfnSubClass
//=--------------------------------------------------------------------------=
// IControlPrv
//=--------------------------------------------------------------------------=
// Interface which allows you to access the COleControl class pointer to
// a control
//
interface IControlPrv : IUnknown
{
STDMETHOD(GetControl)(COleControl **ppCOleControl) PURE;
};
//=--------------------------------------------------------------------------=
// COleControl
//=--------------------------------------------------------------------------=
// the mother of all C++ objects
//
class COleControl : public CAutomationObjectWEvents,
public IOleObject, public IOleControl,
public IOleInPlaceObjectWindowless, public IOleInPlaceActiveObject,
public IViewObjectEx, public IPersistPropertyBag,
public IPersistStreamInit, public IPersistStorage,
public ISpecifyPropertyPages, public IProvideClassInfo,
public IPointerInactive, public IQuickActivate,
public IControlPrv
{
public:
// IUnknown methods -- there are required since we inherit from variuos
// people who themselves inherit from IUnknown. just delegate to controlling
// unknown
//
DECLARE_STANDARD_UNKNOWN();
//=--------------------------------------------------------------------------=
// IPersist methods. used by IPersistStream and IPersistStorage
//
STDMETHOD(GetClassID)(THIS_ LPCLSID lpClassID);
// IPersistStreamInit methods
//
STDMETHOD(IsDirty)(THIS);
STDMETHOD(Load)(LPSTREAM pStm);
STDMETHOD(Save)(LPSTREAM pStm, BOOL fClearDirty);
STDMETHOD(GetSizeMax)(ULARGE_INTEGER FAR* pcbSize);
STDMETHOD(InitNew)();
// IPersistStorage
//
STDMETHOD(InitNew)(IStorage *pStg);
STDMETHOD(Load)(IStorage *pStg);
STDMETHOD(Save)(IStorage *pStgSave, BOOL fSameAsLoad);
STDMETHOD(SaveCompleted)(IStorage *pStgNew);
STDMETHOD(HandsOffStorage)(void);
// IPersistPropertyBag
//
STDMETHOD(Load)(LPPROPERTYBAG pPropBag, LPERRORLOG pErrorLog);
STDMETHOD(Save)(LPPROPERTYBAG pPropBag, BOOL fClearDirty,
BOOL fSaveAllProperties);
// IOleControl methods
//
STDMETHOD(GetControlInfo)(LPCONTROLINFO pCI);
STDMETHOD(OnMnemonic)(LPMSG pMsg);
STDMETHOD(OnAmbientPropertyChange)(DISPID dispid);
STDMETHOD(FreezeEvents)(BOOL bFreeze);
// IOleObject methods
//
STDMETHOD(SetClientSite)(IOleClientSite *pClientSite);
STDMETHOD(GetClientSite)(IOleClientSite * *ppClientSite);
STDMETHOD(SetHostNames)(LPCOLESTR szContainerApp, LPCOLESTR szContainerObj);
STDMETHOD(Close)(DWORD dwSaveOption);
STDMETHOD(SetMoniker)(DWORD dwWhichMoniker, IMoniker *pmk);
STDMETHOD(GetMoniker)(DWORD dwAssign, DWORD dwWhichMoniker, IMoniker * *ppmk);
STDMETHOD(InitFromData)(IDataObject *pDataObject, BOOL fCreation, DWORD dwReserved);
STDMETHOD(GetClipboardData)(DWORD dwReserved, IDataObject * *ppDataObject);
STDMETHOD(DoVerb)(LONG iVerb, LPMSG lpmsg, IOleClientSite *pActiveSite, LONG lindex,
HWND hwndParent, LPCRECT lprcPosRect);
STDMETHOD(EnumVerbs)(IEnumOLEVERB * *ppEnumOleVerb);
STDMETHOD(Update)(void);
STDMETHOD(IsUpToDate)(void);
STDMETHOD(GetUserClassID)(CLSID *pClsid);
STDMETHOD(GetUserType)(DWORD dwFormOfType, LPOLESTR *pszUserType);
STDMETHOD(SetExtent)(DWORD dwDrawAspect,SIZEL *psizel);
STDMETHOD(GetExtent)(DWORD dwDrawAspect, SIZEL *psizel);
STDMETHOD(Advise)(IAdviseSink *pAdvSink, DWORD *pdwConnection);
STDMETHOD(Unadvise)(DWORD dwConnection);
STDMETHOD(EnumAdvise)(IEnumSTATDATA * *ppenumAdvise);
STDMETHOD(GetMiscStatus)(DWORD dwAspect, DWORD *pdwStatus);
STDMETHOD(SetColorScheme)(LOGPALETTE *pLogpal);
// IOleWindow. required for IOleInPlaceObject and IOleInPlaceActiveObject
//
STDMETHOD(GetWindow)(HWND *phwnd);
STDMETHOD(ContextSensitiveHelp)(BOOL fEnterMode);
// IOleInPlaceObject/IOleInPlaceObjectWindowless
//
STDMETHOD(InPlaceDeactivate)(void);
STDMETHOD(UIDeactivate)(void);
STDMETHOD(SetObjectRects)(LPCRECT lprcPosRect,LPCRECT lprcClipRect) ;
STDMETHOD(ReactivateAndUndo)(void);
STDMETHOD(OnWindowMessage)(UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *plResult);
STDMETHOD(GetDropTarget)(IDropTarget **ppDropTarget);
// IOleInPlaceActiveObject
//
STDMETHOD(TranslateAccelerator)(LPMSG lpmsg);
STDMETHOD(OnFrameWindowActivate)(BOOL fActivate);
STDMETHOD(OnDocWindowActivate)(BOOL fActivate);
STDMETHOD(ResizeBorder)(LPCRECT prcBorder,
IOleInPlaceUIWindow *pUIWindow,
BOOL fFrameWindow);
STDMETHOD(EnableModeless)(BOOL fEnable);
// IViewObject2/IViewObjectEx
//
STDMETHOD(Draw)(DWORD dwDrawAspect, LONG lindex, void *pvAspect,
DVTARGETDEVICE *ptd, HDC hdcTargetDev, HDC hdcDraw,
LPCRECTL lprcBounds, LPCRECTL lprcWBounds,
BOOL ( __stdcall *pfnContinue )(DWORD dwContinue),
DWORD dwContinue);
STDMETHOD(GetColorSet)(DWORD dwDrawAspect,LONG lindex, void *pvAspect,
DVTARGETDEVICE *ptd, HDC hicTargetDev,
LOGPALETTE * *ppColorSet);
STDMETHOD(Freeze)(DWORD dwDrawAspect, LONG lindex,
void *pvAspect,DWORD *pdwFreeze);
STDMETHOD(Unfreeze)(DWORD dwFreeze);
STDMETHOD(SetAdvise)(DWORD aspects, DWORD advf, IAdviseSink *pAdvSink);
STDMETHOD(GetAdvise)(DWORD *pAspects, DWORD *pAdvf, IAdviseSink * *ppAdvSink);
STDMETHOD(GetExtent)(DWORD dwDrawAspect, LONG lindex, DVTARGETDEVICE __RPC_FAR *ptd, LPSIZEL lpsizel);
STDMETHOD(GetRect)(DWORD dwAspect, LPRECTL pRect);
STDMETHOD(GetViewStatus)(DWORD *pdwStatus);
STDMETHOD(QueryHitPoint)(DWORD dwAspect, LPCRECT pRectBounds, POINT ptlLoc, LONG lCloseHint, DWORD *pHitResult);
STDMETHOD(QueryHitRect)(DWORD dwAspect, LPCRECT pRectBounds, LPCRECT prcLoc, LONG lCloseHint, DWORD *pHitResult);
STDMETHOD(GetNaturalExtent)(DWORD dwAspect, LONG lindex, DVTARGETDEVICE *ptd, HDC hicTargetDev, DVEXTENTINFO *pExtentInfo, LPSIZEL psizel);
// ISpecifyPropertyPages
//
STDMETHOD(GetPages)(CAUUID * pPages);
// IProvideClassInfo methods
//
STDMETHOD(GetClassInfo)(LPTYPEINFO * ppTI);
// IPointerInactive methods
//
STDMETHOD(GetActivationPolicy)(DWORD *pdwPolicy);
STDMETHOD(OnInactiveMouseMove)(LPCRECT pRectBounds, long x, long y, DWORD dwMouseMsg);
STDMETHOD(OnInactiveSetCursor)(LPCRECT pRectBounds, long x, long y, DWORD dwMouseMsg, BOOL fSetAlways);
// IQuickActivate methods
//
STDMETHOD(QuickActivate)(QACONTAINER *pqacontainer, QACONTROL *pqacontrol);
STDMETHOD(SetContentExtent)(LPSIZEL);
STDMETHOD(GetContentExtent)(LPSIZEL);
// IControlPrv methods
STDMETHOD(GetControl)(COleControl **pOleControl);
// constructor and destructor
//
COleControl(IUnknown *pUnkOuter, int iPrimaryDispatch, void *pMainInterface);
virtual ~COleControl();
//=--------------------------------------------------------------------------=
// callable by anybody
//
static LRESULT CALLBACK ControlWindowProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp);
static LRESULT CALLBACK ReflectWindowProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp);
static LRESULT CALLBACK ParkingWindowProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp);
// You can use this in any parent window to support message reflection
//
static BOOL ReflectOcmMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *pLResult);
static COleControl * ControlFromHwnd(HWND hwnd) {
return (COleControl *) GetWindowLong(hwnd, GWL_USERDATA);
}
HINSTANCE GetResourceHandle(void);
//=--------------------------------------------------------------------------=
// ole controls that want to support both windowed and windowless operations
// should use these wrappers instead of the appropriate win32 api routine.
// controls that don't care and just want to be windowed all the time can
// just go ahead and use the api routines.
//
BOOL SetFocus(BOOL fGrab); // SetFocus API
BOOL OcxGetFocus(void); // GetFocus() == m_hwnd
BOOL OcxGetWindowRect(LPRECT); // gets your current window rect
LRESULT OcxDefWindowProc(UINT, WPARAM, LPARAM); // DefWindowProc
HDC OcxGetDC(void); // GetDC(m_hwnd);
void OcxReleaseDC(HDC hdc); // ReleaseDC(m_hwnd, hdc);
BOOL OcxSetCapture(BOOL fGrab); // SetCapture(fGrab ? m_hwnd : NULL);
BOOL OcxGetCapture(void); // GetCapture() == m_hwnd
BOOL OcxInvalidateRect(LPCRECT, BOOL); // InvalidateRect(m_hwnd, prc, f);
BOOL OcxScrollRect(LPCRECT, LPCRECT, int, int); // ScrollWindowEx(...);
// little routine for people to tell if they are windowless or not
//
inline BOOL Windowless(void) {
return !m_fInPlaceActive || m_pInPlaceSiteWndless;
}
// some people don't care if they're windowed or not -- they just need
// a site pointer. this makes it a little easier.
//
inline IOleInPlaceSite *GetInPlaceSite(void) {
return (IOleInPlaceSite *)(m_pInPlaceSiteWndless ? m_pInPlaceSiteWndless : m_pInPlaceSite);
}
protected:
//=--------------------------------------------------------------------------=
// member variables that derived controls can get at.
//
// derived controls Should NOT modify the following.
//
IOleClientSite *m_pClientSite; // client site
IOleControlSite *m_pControlSite; // IOleControlSite ptr on client site
IOleInPlaceSite *m_pInPlaceSite; // IOleInPlaceSite for managing activation
IOleInPlaceFrame *m_pInPlaceFrame; // IOleInPlaceFrame ptr on client site
IOleInPlaceUIWindow *m_pInPlaceUIWindow; // for negotiating border space with client
ISimpleFrameSite *m_pSimpleFrameSite; // simple frame site
IDispatch *m_pDispAmbient; // ambient dispatch pointer
SIZEL m_Size; // the size of this control
RECT m_rcLocation; // where we at
HWND m_hwnd; // our window
HWND m_hwndParent; // our parent window
// You may need this if you override ::Save
IOleAdviseHolder *m_pOleAdviseHolder; // IOleObject::Advise holder object
// Windowless OLE controls support
//
IOleInPlaceSiteWindowless *m_pInPlaceSiteWndless; // IOleInPlaceSiteWindowless pointer
// flags indicating internal state. do not modify.
//
unsigned m_fDirty:1; // does the control need to be resaved?
unsigned m_fInPlaceActive:1; // are we in place active or not?
unsigned m_fInPlaceVisible:1; // we are in place visible or not?
unsigned m_fUIActive:1; // are we UI active or not.
unsigned m_fCreatingWindow:1; // indicates if we're in CreateWindowEx or not
unsigned m_fSaveSucceeded:1; // did an IStorage save work correctly?
//=--------------------------------------------------------------------------=
// methods that derived controls can override, but may need to be called
// from their versions.
//
virtual void ViewChanged(void);
virtual HRESULT InternalQueryInterface(REFIID riid, void **ppvObjOut);
virtual void BeforeDestroyObject(void);
//=--------------------------------------------------------------------------=
// member functions that provide for derived controls, or that we use, but
// derived controls might still find useful.
//
HRESULT DoSuperClassPaint(HDC, LPCRECTL);
HRESULT RecreateControlWindow(void);
BOOL DesignMode(void);
BOOL GetAmbientProperty(DISPID, VARTYPE, void *);
BOOL GetAmbientFont(IFont **ppFontOut);
void ModalDialog(BOOL fShow);
void InvalidateControl(LPCRECT prc);
BOOL SetControlSize(SIZEL *pSizel);
HWND CreateInPlaceWindow(int x, int y, BOOL fNoRedraw);
HRESULT InPlaceActivate(LONG lVerb);
void SetInPlaceVisible(BOOL);
void SetInPlaceParent(HWND);
// IPropertyNotifySink stuff.
//
inline void PropertyChanged(DISPID dispid) {
m_cpPropNotify.DoOnChanged(dispid);
}
inline BOOL RequestPropertyEdit(DISPID dispid) {
return m_cpPropNotify.DoOnRequestEdit(dispid);
}
// subclassed windows controls support ...
//
inline HWND GetOuterWindow(void) {
return (m_hwndReflect) ? m_hwndReflect : m_hwnd;
}
private:
//=--------------------------------------------------------------------------=
// the following are methods that ALL control writers must override and implement
//
STDMETHOD(LoadBinaryState)(IStream *pStream) PURE;
STDMETHOD(SaveBinaryState)(IStream *pStream) PURE;
STDMETHOD(LoadTextState)(IPropertyBag *pPropertyBag, IErrorLog *pErrorLog) PURE;
STDMETHOD(SaveTextState)(IPropertyBag *pPropertyBag, BOOL fWriteDefault) PURE;
STDMETHOD(OnDraw)(DWORD dvAspect, HDC hdcDraw, LPCRECTL prcBounds, LPCRECTL prcWBounds, HDC hicTargetDev, BOOL fOptimize) PURE;
virtual LRESULT WindowProc(UINT msg, WPARAM wParam, LPARAM lParam) PURE;
virtual BOOL RegisterClassData(void) PURE;
//=--------------------------------------------------------------------------=
// OVERRIDABLES -- methods controls can implement for customized functionality
//
virtual void AmbientPropertyChanged(DISPID dispid);
virtual BOOL BeforeCreateWindow(DWORD *, DWORD *, LPSTR);
virtual void BeforeDestroyWindow(void);
virtual HRESULT DoCustomVerb(LONG lVerb);
virtual BOOL OnSetExtent(SIZEL *pSizeL);
virtual BOOL OnSpecialKey(LPMSG);
virtual BOOL OnGetPalette(HDC, LOGPALETTE **);
virtual HRESULT OnQuickActivate(QACONTAINER *, DWORD *);
virtual BOOL InitializeNewState();
virtual BOOL AfterCreateWindow(void);
virtual BOOL OnGetRect(DWORD dvAspect, LPRECTL prcRect);
virtual HRESULT OnSetClientSite(void);
//=--------------------------------------------------------------------------=
// methods that various people internally will share. not needed, however, by
// any inherting classes.
//
HRESULT m_SaveToStream(IStream *pStream);
HRESULT LoadStandardState(IPropertyBag *pPropertyBag, IErrorLog *pErrorLog);
HRESULT LoadStandardState(IStream *pStream);
HRESULT SaveStandardState(IPropertyBag *pPropertyBag);
HRESULT SaveStandardState(IStream *pStream);
//=--------------------------------------------------------------------------=
// member variables we don't want anybody to get their hands on, including
// inheriting classes
//
HWND m_hwndReflect; // for subclassed windows
IAdviseSink *m_pViewAdviseSink; // IViewAdvise sink for IViewObject2
unsigned m_fHostReflects:1; // does the host reflect messages?
unsigned m_fCheckedReflecting:1; // have we checked above yet?
// internal flags. various other flags are visible to the end control class.
//
unsigned m_fModeFlagValid:1; // we stash the mode as much as possible
unsigned m_fViewAdvisePrimeFirst: 1; // for IViewobject2::setadvise
unsigned m_fViewAdviseOnlyOnce: 1; // for iviewobject2::setadvise
unsigned m_fUsingWindowRgn:1; // for SetObjectRects and clipping
unsigned m_fRunMode:1; // are we in run mode or not?
unsigned m_fChangingExtents:1; // Prevent recursive SetExtent calls
};
#define _CONTROLOBJECT_H_
#endif // _CONTROLOBJECT_H_