StickySetting< SettingType >::ResetHandler Class Reference

Inheritance diagram for StickySetting< SettingType >::ResetHandler:

Collaboration diagram for StickySetting< SettingType >::ResetHandler:

Public Member Functions
	ResetHandler (const ResetHandler &)=delete
ResetHandler &	operator= (const ResetHandler &)=delete
	ResetHandler (ResetHandler &&)=delete
ResetHandler &	operator= (ResetHandler &&)=delete
	ResetHandler (SettingType &setting)
	~ResetHandler () override
void	OnSettingResetBegin () override
	Happens before preferences reset. More...
void	OnSettingResetEnd () override
	Happens after preferences reset. More...
Public Member Functions inherited from PreferencesResetHandler
virtual	~PreferencesResetHandler ()
virtual void	OnSettingResetBegin ()=0
	Happens before preferences reset. More...
virtual void	OnSettingResetEnd ()=0
	Happens after preferences reset. More...

Private Types
using	ValueType = typename SettingType::ValueType

Private Attributes
SettingType &	mSetting
std::optional< ValueType >	mCapturedValue

Detailed Description

template<typename SettingType>
class StickySetting< SettingType >::ResetHandler

Definition at line 591 of file Prefs.h.

Member Typedef Documentation

ValueType

template<typename SettingType >

using StickySetting< SettingType >::ResetHandler::ValueType = typename SettingType::ValueType

private

Definition at line 593 of file Prefs.h.

Constructor & Destructor Documentation

ResetHandler() [1/3]

template<typename SettingType >

StickySetting< SettingType >::ResetHandler::ResetHandler ( const ResetHandler &  )

delete

ResetHandler() [2/3]

template<typename SettingType >

StickySetting< SettingType >::ResetHandler::ResetHandler ( ResetHandler &&  )

delete

ResetHandler() [3/3]

template<typename SettingType >

StickySetting< SettingType >::ResetHandler::ResetHandler ( SettingType &  setting )

inline

Definition at line 605 of file Prefs.h.

: mSetting(setting) { }

~ResetHandler()

template<typename SettingType >

StickySetting< SettingType >::ResetHandler::~ResetHandler ( )

inlineoverride

Definition at line 606 of file Prefs.h.

{ assert(!mCapturedValue.has_value()); }

Member Function Documentation

OnSettingResetBegin()

template<typename SettingType >

void StickySetting< SettingType >::ResetHandler::OnSettingResetBegin ( )

inlineoverridevirtual

Happens before preferences reset.

Implements PreferencesResetHandler.

Definition at line 608 of file Prefs.h.

      {
         assert(!mCapturedValue.has_value());
         ValueType value;
         if(mSetting.Read(&value))
            mCapturedValue = value;
      }

OnSettingResetEnd()

template<typename SettingType >

void StickySetting< SettingType >::ResetHandler::OnSettingResetEnd ( )

inlineoverridevirtual

Happens after preferences reset.

Implements PreferencesResetHandler.

Definition at line 616 of file Prefs.h.

      {
         if(mCapturedValue.has_value())
         {
            auto Do = finally([=]{ mCapturedValue = std::nullopt; });
            mSetting.Write(*mCapturedValue);
         }
      }

operator=() [1/2]

template<typename SettingType >

ResetHandler & StickySetting< SettingType >::ResetHandler::operator= ( const ResetHandler &  )

delete

operator=() [2/2]

template<typename SettingType >

ResetHandler & StickySetting< SettingType >::ResetHandler::operator= ( ResetHandler &&  )

delete

Member Data Documentation

mCapturedValue

template<typename SettingType >

std::optional<ValueType> StickySetting< SettingType >::ResetHandler::mCapturedValue

private

Definition at line 597 of file Prefs.h.

mSetting

template<typename SettingType >

SettingType& StickySetting< SettingType >::ResetHandler::mSetting

private

Definition at line 595 of file Prefs.h.

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

• Prefs.h