114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/xtihandler.h
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// Purpose: XTI handlers
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// Author: Stefan Csomor
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// Modified by: Francesco Montorsi
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// Created: 27/07/03
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// RCS-ID: $Id: xtihandler.h 66651 2011-01-08 10:22:30Z SC $
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// Copyright: (c) 1997 Julian Smart
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// (c) 2003 Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _XTIHANDLER_H_
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#define _XTIHANDLER_H_
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#include "wx/defs.h"
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#if wxUSE_EXTENDED_RTTI
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#include "wx/xti.h"
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// copied from event.h which cannot be included at this place
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class WXDLLIMPEXP_FWD_BASE wxEvent;
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#ifdef __VISUALC__
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#define wxMSVC_FWD_MULTIPLE_BASES __multiple_inheritance
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#else
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#define wxMSVC_FWD_MULTIPLE_BASES
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#endif
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class WXDLLIMPEXP_FWD_BASE wxMSVC_FWD_MULTIPLE_BASES wxEvtHandler;
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typedef void (wxEvtHandler::*wxEventFunction)(wxEvent&);
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typedef wxEventFunction wxObjectEventFunction;
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// ----------------------------------------------------------------------------
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// Handler Info
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//
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// this describes an event sink
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxHandlerInfo
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{
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friend class WXDLLIMPEXP_BASE wxDynamicClassInfo;
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public:
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wxHandlerInfo(wxHandlerInfo* &iter,
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wxClassInfo* itsClass,
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const wxString& name,
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wxObjectEventFunction address,
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const wxClassInfo* eventClassInfo) :
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m_eventFunction(address),
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m_name(name),
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m_eventClassInfo(eventClassInfo),
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m_itsClass(itsClass)
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{
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Insert(iter);
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}
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~wxHandlerInfo()
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{ Remove(); }
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// return the name of this handler
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const wxString& GetName() const { return m_name; }
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// return the class info of the event
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const wxClassInfo *GetEventClassInfo() const { return m_eventClassInfo; }
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// get the handler function pointer
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wxObjectEventFunction GetEventFunction() const { return m_eventFunction; }
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// returns NULL if this is the last handler of this class
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wxHandlerInfo* GetNext() const { return m_next; }
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// return the class this property is declared in
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const wxClassInfo* GetDeclaringClass() const { return m_itsClass; }
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private:
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// inserts this handler at the end of the linked chain which begins
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// with "iter" handler.
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void Insert(wxHandlerInfo* &iter);
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// removes this handler from the linked chain of the m_itsClass handlers.
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void Remove();
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wxObjectEventFunction m_eventFunction;
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wxString m_name;
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const wxClassInfo* m_eventClassInfo;
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wxHandlerInfo* m_next;
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wxClassInfo* m_itsClass;
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};
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#define wxHANDLER(name,eventClassType) \
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static wxHandlerInfo _handlerInfo##name( first, class_t::GetClassInfoStatic(), \
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wxT(#name), (wxObjectEventFunction) (wxEventFunction) &name, \
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CLASSINFO( eventClassType ) );
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#define wxBEGIN_HANDLERS_TABLE(theClass) \
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wxHandlerInfo *theClass::GetHandlersStatic() \
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{ \
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typedef theClass class_t; \
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static wxHandlerInfo* first = NULL;
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#define wxEND_HANDLERS_TABLE() \
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return first; }
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#define wxEMPTY_HANDLERS_TABLE(theClass) \
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wxBEGIN_HANDLERS_TABLE(theClass) \
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wxEND_HANDLERS_TABLE()
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#endif // wxUSE_EXTENDED_RTTI
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#endif // _XTIHANDLER_H_
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