CTLHOST.H

////////////////////////////////////////////////////////////////////////// 
// 
//  controlhost.h 
// 
//  This file contains our CControlHost specification. It is used 
//  to implement a generic ActiveX Control container. 
// 
//  (C) Copyright 1997 by Microsoft Corporation. All rights reserved. 
// 
////////////////////////////////////////////////////////////////////////// 
 
#ifndef _CONTROLHOST_H_ 
#define _CONTROLHOST_H_ 
 
#include <ocidl.h> 
 
#define BASE_EXTENDED_PROPERTY      0x80010000 
#define DISPID_NAME                 (BASE_EXTENDED_PROPERTY | 0x00) 
#define DISPID_ALIGN                (BASE_EXTENDED_PROPERTY | 0x01) 
#define DISPID_BASEHREF             (BASE_EXTENDED_PROPERTY | 0x02) 
 
class CControlHost : public IDispatch, 
                     public IOleInPlaceSiteWindowless, 
                     public IOleInPlaceFrame, 
                     public IOleControlSite, 
                     public IOleClientSite 
{ 
    protected: 
        HWND                _hwnd;              // container window handle 
        HWND                _hwndControl;       // Control's window handle 
        UINT                _cRef;              // IUnknown ref count 
        BOOL                _bCapture;          // mouse capture flag 
        RECT                _rcPos; 
        DWORD               _dwTBSink; 
 
        IUnknown           *_punk;              // copy unknown from instance structure 
        void               *_punkOuter;         // parent container 
        CDAViewerCtl       *_pvc;               // DAViewerControl 
 
    public: 
        void NotifyButton(long buttonId, long buttonState) 
        { 
            if(buttonId == 0) 
                buttonId++; 
        } 
        void NotifyTrackBar(long position) 
        { 
            if(position == 0) 
                position++; 
        } 
        void NotifyStatusBar(long position, BSTR* pstrText) 
        { 
            if(position == 0) 
                position++; 
        } 
 
        ~CControlHost(); 
        CControlHost(IUnknown *); 
 
        // *** IUnknown Methods *** 
        STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj); 
        STDMETHODIMP_(ULONG) AddRef(void); 
        STDMETHODIMP_(ULONG) Release(void); 
 
        // *** IDispatch Methods *** 
        STDMETHOD (GetIDsOfNames)(REFIID riid, OLECHAR FAR* FAR* rgszNames,unsigned int cNames, LCID lcid,DISPID FAR* rgdispid); 
        STDMETHOD (GetTypeInfo)(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo); 
        STDMETHOD (GetTypeInfoCount)(unsigned int FAR * pctinfo); 
        STDMETHOD (Invoke)(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr); 
 
        // *** IOleClientSite methods *** 
        STDMETHOD (SaveObject)(); 
        STDMETHOD (GetMoniker)(DWORD, DWORD, LPMONIKER *); 
        STDMETHOD (GetContainer)(LPOLECONTAINER *); 
        STDMETHOD (ShowObject)(); 
        STDMETHOD (OnShowWindow)(BOOL); 
        STDMETHOD (RequestNewObjectLayout)(); 
 
        // *** IOleWindow Methods *** 
        STDMETHOD (GetWindow) (HWND * phwnd); 
        STDMETHOD (ContextSensitiveHelp) (BOOL fEnterMode); 
 
        // *** IOleInPlaceSite Methods *** 
        STDMETHOD (CanInPlaceActivate) (void); 
        STDMETHOD (OnInPlaceActivate) (void); 
        STDMETHOD (OnUIActivate) (void); 
        STDMETHOD (GetWindowContext) (IOleInPlaceFrame ** ppFrame, IOleInPlaceUIWindow ** ppDoc, LPRECT lprcPosRect, LPRECT lprcClipRect, LPOLEINPLACEFRAMEINFO lpFrameInfo); 
        STDMETHOD (Scroll) (SIZE scrollExtent); 
        STDMETHOD (OnUIDeactivate) (BOOL fUndoable); 
        STDMETHOD (OnInPlaceDeactivate) (void); 
        STDMETHOD (DiscardUndoState) (void); 
        STDMETHOD (DeactivateAndUndo) (void); 
        STDMETHOD (OnPosRectChange) (LPCRECT lprcPosRect); 
 
        // *** IOleInPlaceSiteEx Methods *** 
        STDMETHOD (OnInPlaceActivateEx) (BOOL *pfNoRedraw, DWORD dwFlags); 
        STDMETHOD (OnInPlaceDeactivateEx) (BOOL fNoRedraw); 
        STDMETHOD (RequestUIActivate) (void); 
 
        // *** IOleInPlaceSiteWindowless Methods *** 
        STDMETHOD (CanWindowlessActivate) (void); 
        STDMETHOD (GetCapture) (void); 
        STDMETHOD (SetCapture) (BOOL fCapture); 
        STDMETHOD (GetFocus) (void); 
        STDMETHOD (SetFocus) (BOOL fFocus); 
        STDMETHOD (GetDC) (LPCRECT pRect, DWORD grfFlags, HDC *phDC); 
        STDMETHOD (ReleaseDC) (HDC hDC); 
        STDMETHOD (InvalidateRect) (LPCRECT pRect, BOOL fErase); 
        STDMETHOD (InvalidateRgn) (HRGN hRGN, BOOL fErase); 
        STDMETHOD (ScrollRect) (INT dx, INT dy, LPCRECT pRectScroll, LPCRECT pRectClip); 
        STDMETHOD (AdjustRect) (LPRECT prc); 
        STDMETHOD (OnDefWindowMessage) (UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *plResult); 
 
        // *** IOleInPlaceUIWindow Methods *** 
        STDMETHOD (GetBorder)(LPRECT lprectBorder); 
        STDMETHOD (RequestBorderSpace)(LPCBORDERWIDTHS lpborderwidths); 
        STDMETHOD (SetBorderSpace)(LPCBORDERWIDTHS lpborderwidths); 
        STDMETHOD (SetActiveObject)(IOleInPlaceActiveObject * pActiveObject, 
                                    LPCOLESTR lpszObjName); 
 
        // *** IOleInPlaceFrame Methods *** 
        STDMETHOD (InsertMenus)(HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths); 
        STDMETHOD (SetMenu)(HMENU hmenuShared, HOLEMENU holemenu, HWND hwndActiveObject); 
        STDMETHOD (RemoveMenus)(HMENU hmenuShared); 
        STDMETHOD (SetStatusText)(LPCOLESTR pszStatusText); 
        STDMETHOD (EnableModeless)(BOOL fEnable); 
        STDMETHOD (TranslateAccelerator)(LPMSG lpmsg, WORD wID); 
 
        // *** IOleControlSite Methods *** 
        STDMETHOD (OnControlInfoChanged)(void); 
        STDMETHOD (LockInPlaceActive)(BOOL fLock); 
        STDMETHOD (GetExtendedControl)(IDispatch **ppDisp); 
        STDMETHOD (TransformCoords)(POINTL *pptlHimetric, POINTF *pptfContainer, DWORD dwFlags); 
        STDMETHOD (TranslateAccelerator)(LPMSG pMsg, DWORD grfModifiers); 
        STDMETHOD (OnFocus)(BOOL fGotFocus); 
        STDMETHOD (ShowPropertyFrame)(void); 
 
        // *** External Helper API *** 
        HRESULT SetHwnd(HWND hwnd); 
 
        HRESULT CreateControl(); 
        HRESULT DeleteControl(); 
        HRESULT QueryObject(REFIID riid, void **ppvObject); 
}; 
 
#endif