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111 lines
3.3 KiB
111 lines
3.3 KiB
//-*-C++-*-
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/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2002 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMENUMPROPERTY_H
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#define PMENUMPROPERTY_H
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#include "pmmetaobject.h"
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#include <tqmap.h>
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typedef TQMap<int, TQString> PMEnumValueStringMap;
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typedef TQMap<TQString, int> PMEnumStringValueMap;
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/**
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* Base class for enum properties
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*/
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class PMEnumProperty : public PMPropertyBase
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{
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public:
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/**
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* Default constructor
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*/
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PMEnumProperty( const char* name, bool readOnly = false,
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bool writeOnly = false );
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/**
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* Adds the string to the list of enum values and sets the enum flag
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* to true
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*/
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void addEnumValue( const TQString& str, int value );
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/**
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* Returns true if the property is an enum
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*/
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virtual bool isEnum( ) const { return true; }
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/**
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* Returns the list of enum values
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*/
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virtual TQStringList enumValues( ) const;
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protected:
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/**
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* Do not reimplement this method in a sub class
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*/
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virtual bool setProtected( PMObject* obj, const PMVariant& v );
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/**
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* Do not reimplement this method in a sub class
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*/
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virtual PMVariant getProtected( const PMObject* obj );
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/**
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* Reimplement this method in sub classes. You can safetly
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* cast the integer to the enum type
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*/
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virtual void setEnum( PMObject* obj, int value ) = 0;
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/**
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* Reimplement this method in sub classes.
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*/
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virtual int getEnum( const PMObject* obj ) = 0;
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private:
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PMEnumValueStringMap m_valueMap;
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PMEnumStringValueMap m_stringMap;
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};
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#define PMDefineEnumPropertyClass( ObjectClass, EnumType, PropertyClass ) \
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class PropertyClass : public PMEnumProperty \
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{ \
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public: \
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typedef void ( ObjectClass::*SetPtr ) ( EnumType ); \
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typedef EnumType ( ObjectClass::*GetPtr ) ( void ) const; \
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\
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PropertyClass( const char* name, SetPtr setFktn, GetPtr getFktn ) \
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: PMEnumProperty( name, setFktn == 0, getFktn == 0 ) \
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{ \
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m_setFunktion = setFktn; \
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m_getFunktion = getFktn; \
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} \
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protected: \
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virtual void setEnum( PMObject* obj, int value ) \
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{ \
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ObjectClass* o = ( ObjectClass* ) obj; \
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( o->*m_setFunktion )( ( EnumType ) value ); \
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} \
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virtual int getEnum( const PMObject* obj ) \
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{ \
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const ObjectClass* o = ( const ObjectClass* ) obj; \
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return ( o->*m_getFunktion )( ); \
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} \
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private: \
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SetPtr m_setFunktion; \
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GetPtr m_getFunktion; \
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}
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// no semicolon, put a semicolon after the macro!
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#endif
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