juce::SliderParameterAttachment Class Reference

An object of this class maintains a connection between a Slider and a plug-in parameter. More...

#include <juce_ParameterAttachments.h>

Inheritance diagram for juce::SliderParameterAttachment:

Collaboration diagram for juce::SliderParameterAttachment:

Public Member Functions
	SliderParameterAttachment (RangedAudioParameter &parameter, Slider &slider, UndoManager *undoManager=nullptr)
	Creates a connection between a plug-in parameter and a Slider. More...
	~SliderParameterAttachment () override
	Destructor. More...
void	sendInitialUpdate ()
	Call this after setting up your slider in the case where you need to do extra setup after constructing this attachment. More...

Private Member Functions
void	setValue (float newValue)
void	sliderDragEnded (Slider *) override
	Called after a drag operation has finished. More...
void	sliderDragStarted (Slider *) override
	Called when the slider is about to be dragged. More...
void	sliderValueChanged (Slider *) override
	Called when the slider's value is changed. More...

Private Attributes
ParameterAttachment	attachment
bool	ignoreCallbacks = false
Slider &	slider

Detailed Description

An object of this class maintains a connection between a Slider and a plug-in parameter.

During the lifetime of this object it keeps the two things in sync, making it easy to connect a slider to a parameter. When this object is deleted, the connection is broken. Make sure that your parameter and Slider are not deleted before this object!

@tags{Audio}

Constructor & Destructor Documentation

SliderParameterAttachment()

juce::SliderParameterAttachment::SliderParameterAttachment	(	RangedAudioParameter &	parameter,
		Slider &	slider,
		UndoManager *	undoManager = nullptr
	)

Creates a connection between a plug-in parameter and a Slider.

Parameters

parameter	The parameter to use
slider	The Slider to use
undoManager	An optional UndoManager

~SliderParameterAttachment()

juce::SliderParameterAttachment::~SliderParameterAttachment ( )

override

Destructor.

Member Function Documentation

sendInitialUpdate()

void juce::SliderParameterAttachment::sendInitialUpdate

(

)

Call this after setting up your slider in the case where you need to do extra setup after constructing this attachment.

setValue()

void juce::SliderParameterAttachment::setValue ( float  newValue )

private

sliderDragEnded()

void juce::SliderParameterAttachment::sliderDragEnded ( Slider *  )

inlineoverrideprivatevirtual

Called after a drag operation has finished.

See also

sliderDragStarted, Slider::stoppedDragging

Reimplemented from juce::Slider::Listener.

References attachment, and juce::ParameterAttachment::endGesture().

sliderDragStarted()

void juce::SliderParameterAttachment::sliderDragStarted ( Slider *  )

inlineoverrideprivatevirtual

Called when the slider is about to be dragged.

This is called when a drag begins, then it's followed by multiple calls to sliderValueChanged(), and then sliderDragEnded() is called after the user lets go.

See also

sliderDragEnded, Slider::startedDragging

Reimplemented from juce::Slider::Listener.

References attachment, and juce::ParameterAttachment::beginGesture().

sliderValueChanged()

void juce::SliderParameterAttachment::sliderValueChanged ( Slider *  slider )

overrideprivatevirtual

Called when the slider's value is changed.

This may be caused by dragging it, or by typing in its text entry box, or by a call to Slider::setValue().

You can find out the new value using Slider::getValue().

See also

Slider::valueChanged

Implements juce::Slider::Listener.

Member Data Documentation

attachment

ParameterAttachment juce::SliderParameterAttachment::attachment

private

Referenced by sliderDragEnded(), and sliderDragStarted().

ignoreCallbacks

bool juce::SliderParameterAttachment::ignoreCallbacks = false

private

slider

Slider& juce::SliderParameterAttachment::slider

private

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

• juce_ParameterAttachments.h