#include <JSTUndoTextBase.h>

Inheritance diagram for JSTUndoTextBase:

Public Member Functions
	JSTUndoTextBase (JStyledText *text, const JStyledText::TextRange &range)

	~JSTUndoTextBase () override

void	SetFont (const JString &name, const JSize size) override

Public Member Functions inherited from JSTUndoBase
	JSTUndoBase (JStyledText *text)

	~JSTUndoBase () override

virtual void	SetCount (const JStyledText::TextCount &count)

Public Member Functions inherited from JUndo
	JUndo ()

virtual	~JUndo ()

virtual void	Undo ()=0

bool	IsActive () const

void	Activate ()

void	Deactivate ()

bool	IsRedo () const

void	SetRedo (const bool isRedo)

Protected Member Functions
void	UndoText (const JStyledText::TextRange range)

void	PrependToSave (const JUtf8Character &c, const JIndex charIndex)

void	AppendToSave (const JUtf8Character &c, const JIndex charIndex)

Protected Member Functions inherited from JSTUndoBase
JStyledText *	GetText () const

void	SetFont (JRunArray< JFont > *styles, const JString &name, const JSize size)

Detailed Description

Interface for the JSTUndoTextBase class.

Base class to support undoing any operation on a JStyledText object
that starts by deleting some text.

Constructor & Destructor Documentation

JSTUndoTextBase::JSTUndoTextBase	(	JStyledText *	text,
		const JStyledText::TextRange &	range
	)

Saves a snapshot of the specified range, to allow undo.

JSTUndoTextBase::~JSTUndoTextBase ( )

override

void JSTUndoTextBase::AppendToSave	(	const JUtf8Character &	c,
		const JIndex	charIndex
	)

protected

Append the character at index to the save text.

TODO: optimize callers to avoid random access into JST style run array.

void JSTUndoTextBase::PrependToSave	(	const JUtf8Character &	c,
		const JIndex	charIndex
	)

protected

Prepend the character to the save text.

TODO: optimize callers to avoid random access into JST style run array.

void JSTUndoTextBase::SetFont	(	const JString &	name,
		const JSize	size
	)

overridevirtual

Reimplemented from JSTUndoBase.

void JSTUndoTextBase::UndoText ( const JStyledText::TextRange range )

protected

Call this to put back the original text.

Does NOT take a reference because that might be an instance variable, and we are deleted part way through.

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