juce::ScopedValueSetter< ValueType > Class Template Reference

Helper class providing an RAII-based mechanism for temporarily setting and then re-setting a value. More...

#include "juce_ScopedValueSetter.h"

Public Member Functions
	ScopedValueSetter (ValueType &valueToSet, ValueType newValue)
	Creates a ScopedValueSetter that will immediately change the specified value to the given new value, and will then reset it to its original value when this object is deleted.
	ScopedValueSetter (ValueType &valueToSet, ValueType newValue, ValueType valueWhenDeleted)
	Creates a ScopedValueSetter that will immediately change the specified value to the given new value, and will then reset it to be valueWhenDeleted when this object is deleted.

Detailed Description

template<typename ValueType>
class juce::ScopedValueSetter< ValueType >

Helper class providing an RAII-based mechanism for temporarily setting and then re-setting a value.

E.g.

int x = 1;
 
{
    ScopedValueSetter setter (x, 2);
 
    // x is now 2
}
 
// x is now 1 again
 
{
    ScopedValueSetter setter (x, 3, 4);
 
    // x is now 3
}
 
// x is now 4

@tags{Core}

Definition at line 54 of file juce_ScopedValueSetter.h.

Constructor & Destructor Documentation

ScopedValueSetter() [1/2]

template<typename ValueType >

juce::ScopedValueSetter< ValueType >::ScopedValueSetter	(	ValueType &	valueToSet,
		ValueType	newValue
	)

Creates a ScopedValueSetter that will immediately change the specified value to the given new value, and will then reset it to its original value when this object is deleted.

Definition at line 60 of file juce_ScopedValueSetter.h.

ScopedValueSetter() [2/2]

template<typename ValueType >

juce::ScopedValueSetter< ValueType >::ScopedValueSetter	(	ValueType &	valueToSet,
		ValueType	newValue,
		ValueType	valueWhenDeleted
	)

Creates a ScopedValueSetter that will immediately change the specified value to the given new value, and will then reset it to be valueWhenDeleted when this object is deleted.

Definition at line 71 of file juce_ScopedValueSetter.h.

~ScopedValueSetter()

template<typename ValueType >

juce::ScopedValueSetter< ValueType >::~ScopedValueSetter

(

)

Definition at line 80 of file juce_ScopedValueSetter.h.

---

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

• juce_core/containers/juce_ScopedValueSetter.h