IValue Class Reference

Value interface. More...

Inheritance diagram for IValue:

Public Types
using	Type = double
	floating point value in the range of 0 to 1

Public Member Functions
virtual void	beginEdit ()=0
	Begin editing the value.
virtual bool	performEdit (Type newValue)=0
	Perform a value edit.
virtual void	endEdit ()=0
	End editing the value.
virtual void	setActive (bool state)=0
	Set active state.
virtual bool	isActive () const =0
	Is value active?
virtual Type	getValue () const =0
	Get the normalized value.
virtual bool	isEditing () const =0
	Is value in edit mode.
virtual const UTF8String &	getID () const =0
	Get value identifier.
virtual const IValueConverter &	getConverter () const =0
	Get value converter.
virtual void	registerListener (IValueListener *listener)=0
	register a value listener.
virtual void	unregisterListener (IValueListener *listener)=0
	unregister a value listener.
Public Member Functions inherited from Interface
virtual	~Interface () noexcept
	Interface ()=default
	Interface (const Interface &)=delete
	Interface (Interface &&)=delete
Interface &	operator= (const Interface &)=delete
Interface &	operator= (Interface &&)=delete
template<typename T >
const auto	dynamicCast () const
template<typename T >
auto	dynamicCast ()

Static Public Attributes
static constexpr Type	InvalidValue = std::numeric_limits<Type>::min ()
	indicates an invalid value

Detailed Description

Value interface.

Member Typedef Documentation

using Type = double

floating point value in the range of 0 to 1

Member Function Documentation

virtual void beginEdit ( )

pure virtual

Begin editing the value.

virtual void endEdit ( )

pure virtual

End editing the value.

virtual const IValueConverter& getConverter ( ) const

pure virtual

Get value converter.

virtual const UTF8String& getID ( ) const

pure virtual

Get value identifier.

virtual Type getValue ( ) const

pure virtual

Get the normalized value.

virtual bool isActive ( ) const

pure virtual

Is value active?

virtual bool isEditing ( ) const

pure virtual

Is value in edit mode.

virtual bool performEdit ( Type  newValue )

pure virtual

Perform a value edit.

virtual void registerListener ( IValueListener *  listener )

pure virtual

register a value listener.

virtual void setActive ( bool  state )

pure virtual

Set active state.

virtual void unregisterListener ( IValueListener *  listener )

pure virtual

unregister a value listener.

Member Data Documentation

constexpr Type InvalidValue = std::numeric_limits<Type>::min ()

static

indicates an invalid value

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The documentation for this class was generated from the following file:

• ivalue.h