67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
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#ifndef TPARAMCHANGE_INCLUDED
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#define TPARAMCHANGE_INCLUDED
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// TnzCore includes
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#include "tcommon.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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// Forward declarations
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class TParam;
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//===========================================================
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//*****************************************************************************************
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// TParamChange declaration
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//*****************************************************************************************
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class DVAPI TParamChange
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{
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public:
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TParam *m_param; //!< (not owned) The parameter being changed
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double m_firstAffectedFrame,
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m_lastAffectedFrame; //!< First and last frames affected by the change
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bool m_keyframeChanged; //!< Whether a keyframe has been altered by the change
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bool m_dragging; //!< Whether the change is about a mouse being dragged
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bool m_undoing; //!< Whether the change is happening within an undo operation
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static double m_minFrame;
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static double m_maxFrame;
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public:
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TParamChange(TParam *param,
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double firstAffectedFrame, double lastAffectedFrame,
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bool keyframeChanged, bool dragging, bool undoing);
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virtual ~TParamChange() {}
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};
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//*****************************************************************************************
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// TParamObserver definition
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//*****************************************************************************************
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class DVAPI TParamObserver
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{
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public:
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virtual ~TParamObserver() {}
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virtual void onChange(const TParamChange &) = 0;
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};
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#endif // TPARAMCHANGE_INCLUDED
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