90 lines
2 KiB
C
90 lines
2 KiB
C
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// Events.h: Definition of the FooBarEvents class
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(__EVENTS_H__06E192AB_5CAD_11D1_B670_00A024E430AB__INCLUDED_)
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#define __EVENTS_H__06E192AB_5CAD_11D1_B670_00A024E430AB__INCLUDED_
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#include "resource.h" // main symbols
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#include "shimgvw.h"
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/////////////////////////////////////////////////////////////////////////////
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// FooBarEvents
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class CEvents
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{
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public:
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virtual void OnClose()
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{}
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virtual void OnPreviewReady()
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{}
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virtual void OnError()
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{}
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virtual void OnChangeUI()
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{}
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virtual void OnBestFitPress()
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{}
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virtual void OnActualSizePress()
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{}
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};
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template <class T>
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class CControlEvents : public CEvents,
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public IConnectionPointImpl<T, &DIID_DPreviewEvents, CComDynamicUnkArray>
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{
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protected:
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void _FireEvent( DWORD dwID, DISPPARAMS *pdisp = NULL )
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{
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T* pT = (T*)this;
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pT->Lock();
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IUnknown** pp = m_vec.begin();
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while (pp < m_vec.end())
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{
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if (*pp != NULL)
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{
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DISPPARAMS disp = { NULL, NULL, 0, 0 };
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if ( !pdisp )
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pdisp = &disp;
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IDispatch* pDispatch = reinterpret_cast<IDispatch*>(*pp);
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pDispatch->Invoke(dwID, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, pdisp, NULL, NULL, NULL);
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}
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pp++;
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}
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pT->Unlock();
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}
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};
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template <class T>
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class CPreviewEvents : public CControlEvents<T>
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{
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public:
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virtual void OnClose()
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{
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_FireEvent( 0x1 );
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}
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virtual void OnPreviewReady()
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{
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_FireEvent( 0x2 );
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}
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virtual void OnError()
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{
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_FireEvent( 0x3 );
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}
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virtual void OnBestFitPress()
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{
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_FireEvent( 0x4 );
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}
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virtual void OnActualSizePress()
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{
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_FireEvent( 0x5 );
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}
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};
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#endif // !defined(__EVENTS_H__06E192AB_5CAD_11D1_B670_00A024E430AB__INCLUDED_)
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