64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#pragma once
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#ifndef TDOUBLEPARAMRELAYPROPERTY_H
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#define TDOUBLEPARAMRELAYPROPERTY_H
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// TnzCore includes
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#include "tproperty.h"
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// TnzBase includes
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#include "tdoubleparam.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TPARAM_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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//*****************************************************************************
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// TDoubleParamRelayProperty declaration
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//*****************************************************************************
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//! The TDoubleParamRelayProperty is a TProperty heir which can be used as
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//! intermediary between a TDoubleParam instance and its GUI viewers.
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class DVAPI TDoubleParamRelayProperty final : public TProperty,
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public TParamObserver {
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TDoubleParamP m_param; //!< The referenced param
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double m_frame; //!< Frame at which m_param returns values
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public:
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class Visitor {
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public:
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virtual void visit(TDoubleParamRelayProperty *p) = 0;
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};
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public:
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TDoubleParamRelayProperty(const std::string &name,
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TDoubleParamP param = TDoubleParamP());
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~TDoubleParamRelayProperty();
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TDoubleParamRelayProperty(const TDoubleParamRelayProperty &other);
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TDoubleParamRelayProperty &operator=(const TDoubleParamRelayProperty &other);
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TProperty *clone() const override;
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std::string getValueAsString() override;
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void setParam(const TDoubleParamP ¶m);
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const TDoubleParamP &getParam() const { return m_param; }
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void setValue(double v);
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double getValue() const;
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double frame() const { return m_frame; }
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double &frame() { return m_frame; }
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void accept(TProperty::Visitor &v) override;
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void onChange(const TParamChange &) override;
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};
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#endif // TDOUBLEPARAMRELAYPROPERTY_H
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