KateUndo Class Reference

#include <kateundo.h>

Inherited by KateEditInsertLineUndo, KateEditInsertTextUndo, KateEditMarkLineAutoWrappedUndo, KateEditRemoveLineUndo, KateEditRemoveTextUndo, KateEditUnWrapLineUndo, and KateEditWrapLineUndo.

Public Types
enum	ModificationFlag {   UndoLine1Modified = 1, UndoLine2Modified = 2, UndoLine1Saved = 4, UndoLine2Saved = 8,   RedoLine1Modified = 16, RedoLine2Modified = 32, RedoLine1Saved = 64, RedoLine2Saved = 128 }
enum	UndoType {   editInsertText, editRemoveText, editWrapLine, editUnWrapLine,   editInsertLine, editRemoveLine, editMarkLineAutoWrapped, editInvalid }

Public Member Functions
	KateUndo (KTextEditor::DocumentPrivate *document)
virtual	~KateUndo ()
virtual bool	isEmpty () const
bool	isFlagSet (ModificationFlag flag) const
virtual bool	mergeWith (const KateUndo *undo)
virtual void	redo ()=0
void	setFlag (ModificationFlag flag)
virtual KateUndo::UndoType	type () const =0
virtual void	undo ()=0
void	unsetFlag (ModificationFlag flag)
virtual void	updateRedoSavedOnDiskFlag (QBitArray &lines)
virtual void	updateUndoSavedOnDiskFlag (QBitArray &lines)

Protected Member Functions
KTextEditor::DocumentPrivate *	document ()

Detailed Description

Base class for Kate undo commands.

Definition at line 43 of file kateundo.h.

Member Enumeration Documentation

enum KateUndo::UndoType

Types for undo items.

Definition at line 61 of file kateundo.h.

Constructor & Destructor Documentation

KateUndo::KateUndo ( KTextEditor::DocumentPrivate *  document )

explicit

Constructor.

Parameters

document

the document the undo item belongs to

Definition at line 32 of file kateundo.cpp.

KateUndo::~KateUndo ( )

virtual

Destructor.

Definition at line 37 of file kateundo.cpp.

Member Function Documentation

KTextEditor::DocumentPrivate* KateUndo::document ( )

inlineprotected

Return the document the undo item belongs to.

Returns

the document the undo item belongs to

Definition at line 110 of file kateundo.h.

bool KateUndo::isEmpty ( ) const

virtual

Check whether the item is empty.

Returns

whether the item is empty

Definition at line 89 of file kateundo.cpp.

bool KateUndo::mergeWith ( const KateUndo *  undo )

virtual

merge an undo item Saves a bit of memory and potentially many calls when undo/redoing.

Only called for equal types of this object and the passed one.

Parameters

undo	undo item to merge

Returns

success

Definition at line 104 of file kateundo.cpp.

virtual void KateUndo::redo ( )

pure virtual

redo this item

virtual KateUndo::UndoType KateUndo::type ( ) const

pure virtual

type of item

Returns

type

virtual void KateUndo::undo ( )

pure virtual

undo this item

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

• kateundo.h
• kateundo.cpp