TQUndoManager Class Reference

Recorder of operations for undo and redo.

Definition at line 103 of file TQCommand.h.

Public Member Functions
	TQUndoManager ()
	Constructor. More...
virtual	~TQUndoManager ()
	Destructor. More...
virtual void	Add (TObject *obj, Option_t *opt)
	Add command to the stack of commands. More...
virtual void	Add (TObject *obj)
virtual Bool_t	CanRedo () const
	Returns kTRUE if redo action is possible. More...
virtual Bool_t	CanUndo () const
	Returns kTRUE if undo action is possible. More...
virtual void	CurrentChanged (TQCommand *c)
	emit signal More...
TQCommand *	GetCurrent () const
	Returns the last executed command. More...
TQCommand *	GetCursor () const
	Returns a command correspondent to the current cursor position in stack. More...
UInt_t	GetLimit () const
	Returns a maximum number of commands which could be located in stack. More...
Bool_t	IsLogging () const
	Returns kTRUE if logging is ON. More...
virtual void	ls (Option_t *option="") const
	Lists all commands in stack. More...
virtual void	Redo (Option_t *option="")
	Performs redo action. Move cursor position forward in history stack. More...
virtual void	SetLimit (UInt_t limit)
	Returns a maximum number of commands which could be located in stack. More...
virtual void	SetLogging (Bool_t on=kTRUE)
	Start logging. More...
virtual void	Undo (Option_t *option="")
	Performs undo action. Move cursor position backward in history stack. More...
Public Member Functions inherited from TQCommand
	TQCommand (const char *cl=0, void *object=0, const char *redo=0, const char *undo=0)
	Constructor. More...
	TQCommand (TObject *obj, const char *redo=0, const char *undo=0)
	Constructor. More...
	TQCommand (const TQCommand &com)
	Copy constructor. More...
virtual	~TQCommand ()
	dtor. More...
virtual Bool_t	CanCompress (TQCommand *c) const
	By default, commands can be compressed if they are: More...
virtual Bool_t	CanMerge (TQCommand *c) const
	Two commands can be merged if they can be composed into a single command (Macro command). More...
virtual void	Compress (TQCommand *c)
	Compress command. More...
virtual void	Delete (Option_t *option="")
	If "opt" is not zero delete every merged command which option string is equal to "opt". More...
virtual const char *	GetName () const
	Returns the command name. More...
Int_t	GetNRargs () const
	Returns a number of redo arguments. More...
Int_t	GetNUargs () const
	Returns a number of undo arguments. More...
void *	GetObject () const
	Returns an object for which undo redo actions are applied. More...
TQConnection *	GetRedo () const
Long_t *	GetRedoArgs () const
	Returns a pointer to array of redo arguments. More...
const char *	GetRedoName () const
	Returns the name of redo command. More...
Int_t	GetStatus () const
	Returns a number of sequential undo or redo operations. More...
virtual const char *	GetTitle () const
	Returns command description. More...
TQConnection *	GetUndo () const
Long_t *	GetUndoArgs () const
	Returns a pointer to array of undo arguments. More...
const char *	GetUndoName () const
	Returns the name of undo command. More...
virtual Bool_t	IsEqual (const TObject *obj) const
	Equal comparison. More...
Bool_t	IsExecuting () const
	Returns kTRUE if command execution is in progress. More...
Bool_t	IsMacro () const
	Returns kTRUE if neither redo nor undo action specified. More...
Bool_t	IsRedoing () const
	Redo action is in progress. More...
virtual Bool_t	IsSetter () const
	Returns kTRUE is command if Redo is the same as Undo function and is the setter action. More...
Bool_t	IsUndoing () const
	Undo action is in progress. More...
virtual void	Merge (TQCommand *c)
	Add command to the list of merged commands. More...
virtual Long64_t	Merge (TCollection *, TFileMergeInfo *)
	Merge a collection of TQCommand. More...
virtual void	SetArgs (Int_t nargs,...)
	Set do/redo and undo parameters. More...
virtual void	SetName (const char *name)
	Sets name of the command. More...
virtual void	SetRedoArgs (Int_t nargs,...)
	Set redo parameters. More...
virtual void	SetTitle (const char *title)
	Sets description of the command. More...
virtual void	SetUndoArgs (Int_t nargs,...)
	Set undo parameters. More...
Public Member Functions inherited from TList
	TList ()
	TList (TObject *)
virtual	~TList ()
	Delete the list. More...
virtual void	AddAfter (const TObject *after, TObject *obj)
	Insert object after object after in the list. More...
virtual void	AddAfter (TObjLink *after, TObject *obj)
	Insert object after the specified ObjLink object. More...
virtual void	AddAt (TObject *obj, Int_t idx)
	Insert object at position idx in the list. More...
virtual void	AddBefore (const TObject *before, TObject *obj)
	Insert object before object before in the list. More...
virtual void	AddBefore (TObjLink *before, TObject *obj)
	Insert object before the specified ObjLink object. More...
virtual void	AddFirst (TObject *obj)
	Add object at the beginning of the list. More...
virtual void	AddFirst (TObject *obj, Option_t *opt)
	Add object at the beginning of the list and also store option. More...
virtual void	AddLast (TObject *obj)
	Add object at the end of the list. More...
virtual void	AddLast (TObject *obj, Option_t *opt)
	Add object at the end of the list and also store option. More...
virtual TObject *	After (const TObject *obj) const
	Returns the object after object obj. More...
virtual TObject *	At (Int_t idx) const
	Returns the object at position idx. Returns 0 if idx is out of range. More...
virtual TObject *	Before (const TObject *obj) const
	Returns the object before object obj. More...
virtual void	Clear (Option_t *option="")
	Remove all objects from the list. More...
virtual TObject *	FindObject (const char *name) const
	Delete a TObjLink object. More...
virtual TObject *	FindObject (const TObject *obj) const
	Find an object in this list using the object's IsEqual() member function. More...
virtual TObject *	First () const
	Return the first object in the list. Returns 0 when list is empty. More...
virtual TObjLink *	FirstLink () const
virtual TObject **	GetObjectRef (const TObject *obj) const
	Return address of pointer to obj. More...
Bool_t	IsAscending ()
virtual TObject *	Last () const
	Return the last object in the list. Returns 0 when list is empty. More...
virtual TObjLink *	LastLink () const
virtual TIterator *	MakeIterator (Bool_t dir=kIterForward) const
	Return a list iterator. More...
virtual void	RecursiveRemove (TObject *obj)
	Remove object from this collection and recursively remove the object from all other objects (and collections). More...
virtual TObject *	Remove (TObject *obj)
	Remove object from the list. More...
virtual TObject *	Remove (TObjLink *lnk)
	Remove object link (and therefore the object it contains) from the list. More...
TObject *	Remove (const TObjLinkPtr_t &lnk)
virtual void	RemoveLast ()
	Remove the last object of the list. More...
virtual void	Sort (Bool_t order=kSortAscending)
	Sort linked list. More...
Public Member Functions inherited from TSeqCollection
virtual	~TSeqCollection ()
virtual Int_t	GetLast () const
	Returns index of last object in collection. More...
virtual Int_t	IndexOf (const TObject *obj) const
	Return index of object in collection. More...
virtual Bool_t	IsSorted () const
Int_t	LastIndex () const
Long64_t	Merge (TCollection *list)
	Merge this collection with all collections coming in the input list. More...
virtual void	RemoveAfter (TObject *after)
virtual TObject *	RemoveAt (Int_t idx)
virtual void	RemoveBefore (TObject *before)
virtual void	RemoveFirst ()
void	UnSort ()
Public Member Functions inherited from TCollection
virtual	~TCollection ()
	TNamed destructor. More...
virtual void	AddAll (const TCollection *col)
	Add all objects from collection col to this collection. More...
void	AddVector (TObject *obj1,...)
	Add all arguments to the collection. More...
Bool_t	AssertClass (TClass *cl) const
	Make sure all objects in this collection inherit from class cl. More...
TIter	begin () const
void	Browse (TBrowser *b)
	Browse this collection (called by TBrowser). More...
Int_t	Capacity () const
virtual TObject *	Clone (const char *newname="") const
	Make a clone of an collection using the Streamer facility. More...
Int_t	Compare (const TObject *obj) const
	Compare two TCollection objects. More...
Bool_t	Contains (const char *name) const
Bool_t	Contains (const TObject *obj) const
virtual void	Draw (Option_t *option="")
	Draw all objects in this collection. More...
virtual void	Dump () const
	Dump all objects in this collection. More...
TIter	end () const
virtual Int_t	GetEntries () const
virtual Int_t	GetSize () const
	Return the capacity of the collection, i.e. More...
virtual Int_t	GrowBy (Int_t delta) const
	Increase the collection's capacity by delta slots. More...
ULong_t	Hash () const
	Return hash value for this object. More...
Bool_t	IsArgNull (const char *where, const TObject *obj) const
	Returns true if object is a null pointer. More...
virtual Bool_t	IsEmpty () const
virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
Bool_t	IsOwner () const
Bool_t	IsSortable () const
R__ALWAYS_INLINE Bool_t	IsUsingRWLock () const
virtual TIterator *	MakeReverseIterator () const
virtual Bool_t	Notify ()
	'Notify' all objects in this collection. More...
TObject *	operator() (const char *name) const
	Find an object in this collection by name. More...
virtual void	Paint (Option_t *option="")
	Paint all objects in this collection. More...
virtual void	Print (Option_t *option="") const
	Default print for collections, calls Print(option, 1). More...
virtual void	Print (Option_t *option, Int_t recurse) const
	Print the collection header and its elements. More...
virtual void	Print (Option_t *option, const char *wildcard, Int_t recurse=1) const
	Print the collection header and its elements that match the wildcard. More...
virtual void	Print (Option_t *option, TPRegexp &regexp, Int_t recurse=1) const
	Print the collection header and its elements that match the regexp. More...
virtual void	RemoveAll (TCollection *col)
	Remove all objects in collection col from this collection. More...
void	RemoveAll ()
void	SetCurrentCollection ()
	Set this collection to be the globally accesible collection. More...
void	SetName (const char *name)
virtual void	SetOwner (Bool_t enable=kTRUE)
	Set whether this collection is the owner (enable==true) of its content. More...
virtual bool	UseRWLock ()
	Set this collection to use a RW lock upon access, making it thread safe. More...
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write all objects in this collection. More...
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write all objects in this collection. More...
Public Member Functions inherited from TObject
	TObject ()
	TObject constructor. More...
	TObject (const TObject &object)
	TObject copy ctor. More...
virtual	~TObject ()
	TObject destructor. More...
void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad. More...
ULong_t	CheckedHash ()
	Checked and record whether for this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. More...
virtual const char *	ClassName () const
	Returns name of class to which the object belongs. More...
virtual void	Copy (TObject &object) const
	Copy this to obj. More...
virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object. More...
virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs. More...
virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
virtual void	Error (const char *method, const char *msgfmt,...) const
	Issue error message. More...
virtual void	Execute (const char *method, const char *params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g. More...
virtual void	Execute (TMethod *method, TObjArray *params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray. More...
virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py). More...
virtual void	Fatal (const char *method, const char *msgfmt,...) const
	Issue fatal error message. More...
virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object. More...
virtual const char *	GetIconName () const
	Returns mime type name of object. More...
virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py). More...
virtual Option_t *	GetOption () const
virtual UInt_t	GetUniqueID () const
	Return the unique object id. More...
virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. More...
Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e. More...
virtual void	Info (const char *method, const char *msgfmt,...) const
	Issue info message. More...
virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname". More...
virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl. More...
virtual void	Inspect () const
	Dump contents of this object in a graphics canvas. More...
void	InvertBit (UInt_t f)
R__ALWAYS_INLINE Bool_t	IsOnHeap () const
R__ALWAYS_INLINE Bool_t	IsZombie () const
void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...
void	Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete. More...
void	operator delete (void *ptr)
	Operator delete. More...
void	operator delete[] (void *ptr)
	Operator delete []. More...
void *	operator new (size_t sz)
void *	operator new (size_t sz, void *vp)
void *	operator new[] (size_t sz)
void *	operator new[] (size_t sz, void *vp)
TObject &	operator= (const TObject &rhs)
	TObject assignment operator. More...
virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list. More...
virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory. More...
void	ResetBit (UInt_t f)
virtual void	SaveAs (const char *filename="", Option_t *option="") const
	Save this object in the file specified by filename. More...
virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out". More...
void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f. More...
void	SetBit (UInt_t f)
virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object. More...
virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id. More...
virtual void	SysError (const char *method, const char *msgfmt,...) const
	Issue system error message. More...
R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const
Int_t	TestBits (UInt_t f) const
virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...
virtual void	Warning (const char *method, const char *msgfmt,...) const
	Issue warning message. More...
Public Member Functions inherited from TQObject
	TQObject ()
	TQObject Constructor. More...
virtual	~TQObject ()
	TQObject Destructor. More...
Bool_t	AreSignalsBlocked () const
Bool_t	BlockSignals (Bool_t b)
virtual void	ChangedBy (const char *method)
void	CollectClassSignalLists (TList &list, TClass *cls)
	Collect class signal lists from class cls and all its base-classes. More...
Bool_t	Connect (const char *signal, const char *receiver_class, void *receiver, const char *slot)
	Non-static method is used to connect from the signal of this object to the receiver slot. More...
virtual void	Connected (const char *)
virtual void	Destroyed ()
Bool_t	Disconnect (const char *signal=0, void *receiver=0, const char *slot=0)
	Disconnects signal of this object from slot of receiver. More...
virtual void	Disconnected (const char *)
template<typename T >
void	Emit (const char *signal, const T &arg)
	Activate signal with single parameter. More...
void	Emit (const char *signal)
	Acitvate signal without args. More...
template<typename... T>
void	EmitVA (const char *signal_name, Int_t, const T &... params)
	Emit a signal with a varying number of arguments. More...
TList *	GetListOfClassSignals () const
	Returns pointer to list of signals of this class. More...
TList *	GetListOfConnections () const
TList *	GetListOfSignals () const
virtual Bool_t	HasConnection (const char *signal_name) const
	Return true if there is any object connected to this signal. More...
virtual void	HighPriority (const char *signal_name, const char *slot_name=0)
virtual void	LowPriority (const char *signal_name, const char *slot_name=0)
virtual void	Message (const char *msg)
virtual Int_t	NumberOfConnections () const
	Return number of connections for this object. More...
virtual Int_t	NumberOfSignals () const
	Return number of signals for this object. More...

Protected Member Functions
virtual void	PrintCollectionEntry (TObject *entry, Option_t *option, Int_t recurse) const
	Print collection entry. More...
Protected Member Functions inherited from TQCommand
virtual void	Init (const char *cl, void *object, const char *redo, const char *undo)
	Common protected method used in several constructors. More...
virtual void	PrintCollectionHeader (Option_t *option) const
	Print collection header. More...
Protected Member Functions inherited from TList
TObjLinkPtr_t *	DoSort (TObjLinkPtr_t *head, Int_t n)
	Sort linked list. More...
TObjLink *	FindLink (const TObject *obj, Int_t &idx) const
	Returns the TObjLink object that contains object obj. More...
void	InsertAfter (const TObjLinkPtr_t &newlink, const TObjLinkPtr_t &prev)
	Insert a new link in the chain. More...
TObjLink *	LinkAt (Int_t idx) const
	sorting order (when calling Sort() or for TSortedList) More...
Bool_t	LnkCompare (const TObjLinkPtr_t &l1, const TObjLinkPtr_t &l2)
	Compares the objects stored in the TObjLink objects. More...
TObjLinkPtr_t	NewLink (TObject *obj, const TObjLinkPtr_t &prev=nullptr)
	Return a new TObjLink. More...
TObjLinkPtr_t	NewLink (TObject *obj, TObjLink *prev)
TObjLinkPtr_t	NewOptLink (TObject *obj, Option_t *opt, const TObjLinkPtr_t &prev=nullptr)
	Return a new TObjOptLink (a TObjLink that also stores the option). More...
TObjLinkPtr_t	NewOptLink (TObject *obj, Option_t *opt, TObjLink *prev)
Protected Member Functions inherited from TSeqCollection
	TSeqCollection ()
virtual void	Changed ()
Protected Member Functions inherited from TCollection
	TCollection ()
virtual const char *	GetCollectionEntryName (TObject *entry) const
	For given collection entry return the string that is used to identify the object and, potentially, perform wildcard/regexp filtering on. More...
Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char *location, const char *fmt, va_list va) const
	Interface to ErrorHandler (protected). More...
void	MakeZombie ()
Protected Member Functions inherited from TQObject
virtual void *	GetSender ()
virtual const char *	GetSenderClassName () const

Protected Attributes
TQCommand *	fCurrent
TObjLink *	fCursor
UInt_t	fLimit
TList *	fLogBook
Bool_t	fLogging
Protected Attributes inherited from TQCommand
TString	fName
Bool_t	fNewDelete
Int_t	fNRargs
Int_t	fNUargs
void *	fObject
TQConnection *	fRedo
Long_t *	fRedoArgs
Int_t	fState
Int_t	fStatus
TString	fTitle
TQConnection *	fUndo
Long_t *	fUndoArgs
Protected Attributes inherited from TList
Bool_t	fAscending
	cache to speedup sequential calling of Before() and After() functions More...
TObjLinkWeakPtr_t	fCache
	pointer to last entry in linked list More...
TObjLinkPtr_t	fFirst
TObjLinkPtr_t	fLast
	pointer to first entry in linked list More...
Protected Attributes inherited from TSeqCollection
Bool_t	fSorted
Protected Attributes inherited from TCollection
TString	fName
Int_t	fSize
Protected Attributes inherited from TQObject
TList *	fListOfConnections
	list of signals from this object More...
TList *	fListOfSignals
Bool_t	fSignalsBlocked
	list of connections to this object More...

Additional Inherited Members
Public Types inherited from TList
typedef TListIter	Iterator_t
Public Types inherited from TCollection
enum	{ kInitCapacity = 16, kInitHashTableCapacity = 17 }
Public Types inherited from TObject
enum	{   kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kInconsistent = 0x08000000,   kBitMask = 0x00ffffff }
enum	{ kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
enum	EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
enum	EStatusBits {   kCanDelete = BIT(0), kMustCleanup = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5),   kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }
Static Public Member Functions inherited from TQCommand
static TQCommand *	GetCommand ()
	Return a command which is doing redo/undo action. More...
Static Public Member Functions inherited from TSeqCollection
static Int_t	ObjCompare (TObject *a, TObject *b)
	Compare to objects in the collection. Use member Compare() of object a. More...
static void	QSort (TObject **a, Int_t first, Int_t last)
	Sort array of TObject pointers using a quicksort algorithm. More...
static void	QSort (TObject **a, TObject **b, Int_t first, Int_t last)
static void	QSort (TObject **a, Int_t nBs, TObject ***b, Int_t first, Int_t last)
	Sort array a of TObject pointers using a quicksort algorithm. More...
Static Public Member Functions inherited from TCollection
static void	EmptyGarbageCollection ()
	Do the garbage collection. More...
static void	GarbageCollect (TObject *obj)
	Add to the list of things to be cleaned up. More...
static TCollection *	GetCurrentCollection ()
	Return the globally accessible collection. More...
static void	StartGarbageCollection ()
	Set up for garbage collection. More...
Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag. More...
static Bool_t	GetObjectStat ()
	Get status of object stat flag. More...
static void	SetDtorOnly (void *obj)
	Set destructor only flag. More...
static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable. More...
Static Public Member Functions inherited from TQObject
static Bool_t	AreAllSignalsBlocked ()
	Returns true if all signals are blocked. More...
static Bool_t	BlockAllSignals (Bool_t b)
	Block or unblock all signals. Returns the previous block status. More...
static Bool_t	Connect (TQObject *sender, const char *signal, const char *receiver_class, void *receiver, const char *slot)
	Create connection between sender and receiver. More...
static Bool_t	Connect (const char *sender_class, const char *signal, const char *receiver_class, void *receiver, const char *slot)
	This method allows to make a connection from any object of the same class to a single slot. More...
static Bool_t	Disconnect (TQObject *sender, const char *signal=0, void *receiver=0, const char *slot=0)
	Disconnects signal in object sender from slot_method in object receiver. More...
static Bool_t	Disconnect (const char *class_name, const char *signal, void *receiver=0, const char *slot=0)
	Disconnects "class signal". More...
Protected Types inherited from TList
using	TObjLinkPtr_t = std::shared_ptr< TObjLink >
using	TObjLinkWeakPtr_t = std::weak_ptr< TObjLink >
Protected Types inherited from TCollection
enum	EStatusBits { kIsOwner = BIT(14), kUseRWLock = BIT(16) }
Static Protected Member Functions inherited from TQObject
static Int_t	CheckConnectArgs (TQObject *sender, TClass *sender_class, const char *signal, TClass *receiver_class, const char *slot)
	Checking of consitency of sender/receiver methods/arguments. More...
static TString	CompressName (const char *method_name)
	Removes "const" words and blanks from full (with prototype) method name and resolve any typedefs in the method signature. More...
static Bool_t	ConnectToClass (TQObject *sender, const char *signal, TClass *receiver_class, void *receiver, const char *slot)
	Create connection between sender and receiver. More...
static Bool_t	ConnectToClass (const char *sender_class, const char *signal, TClass *receiver_class, void *receiver, const char *slot)
	This method allows to make connection from any object of the same class to the receiver object. More...
Static Protected Attributes inherited from TQObject
static Bool_t	fgAllSignalsBlocked = kFALSE
	flag used for suppression of signals More...

#include <TQCommand.h>

Inheritance diagram for TQUndoManager:

Constructor & Destructor Documentation

TQUndoManager()

TQUndoManager::TQUndoManager

(

)

Constructor.

Definition at line 878 of file TQCommand.cxx.

~TQUndoManager()

TQUndoManager::~TQUndoManager ( )

virtual

Destructor.

Definition at line 890 of file TQCommand.cxx.

Member Function Documentation

Add() [1/2]

void TQUndoManager::Add ( TObject *  obj, Option_t *  opt  )

virtual

Add command to the stack of commands.

Command's redo action will be executed.

option string can contain the following substrings:

• "merge" - input command will be merged
• "compress" - input command will be compressed

Reimplemented from TQCommand.

Definition at line 960 of file TQCommand.cxx.

Add() [2/2]

virtual void TQUndoManager::Add ( TObject *  obj )

inlinevirtual

Reimplemented from TQCommand.

Definition at line 119 of file TQCommand.h.

CanRedo()

Bool_t TQUndoManager::CanRedo ( ) const

virtual

Returns kTRUE if redo action is possible.

Reimplemented from TQCommand.

Definition at line 1086 of file TQCommand.cxx.

CanUndo()

Bool_t TQUndoManager::CanUndo ( ) const

virtual

Returns kTRUE if undo action is possible.

Reimplemented from TQCommand.

Definition at line 1100 of file TQCommand.cxx.

CurrentChanged()

void TQUndoManager::CurrentChanged ( TQCommand *  c )

virtual

emit signal

Definition at line 1014 of file TQCommand.cxx.

GetCurrent()

TQCommand * TQUndoManager::GetCurrent

(

)

const

Returns the last executed command.

Definition at line 1122 of file TQCommand.cxx.

GetCursor()

TQCommand * TQUndoManager::GetCursor

(

)

const

Returns a command correspondent to the current cursor position in stack.

Definition at line 1130 of file TQCommand.cxx.

GetLimit()

UInt_t TQUndoManager::GetLimit

(

)

const

Returns a maximum number of commands which could be located in stack.

Definition at line 1146 of file TQCommand.cxx.

IsLogging()

Bool_t TQUndoManager::IsLogging

(

)

const

Returns kTRUE if logging is ON.

Definition at line 1114 of file TQCommand.cxx.

ls()

void TQUndoManager::ls ( Option_t *  option = "" ) const

virtual

Lists all commands in stack.

Reimplemented from TQCommand.

Definition at line 902 of file TQCommand.cxx.

PrintCollectionEntry()

void TQUndoManager::PrintCollectionEntry ( TObject *  entry, Option_t *  option, Int_t  recurse  ) const

protectedvirtual

Print collection entry.

Reimplemented from TCollection.

Definition at line 922 of file TQCommand.cxx.

Redo()

void TQUndoManager::Redo ( Option_t *  option = "" )

virtual

Performs redo action. Move cursor position forward in history stack.

Reimplemented from TQCommand.

Definition at line 1054 of file TQCommand.cxx.

SetLimit()

void TQUndoManager::SetLimit ( UInt_t  limit )

virtual

Returns a maximum number of commands which could be located in stack.

Definition at line 1138 of file TQCommand.cxx.

SetLogging()

void TQUndoManager::SetLogging ( Bool_t  on = kTRUE )

virtual

Start logging.

Delete all previous log records Note: logging is not implemented yet

Definition at line 939 of file TQCommand.cxx.

Undo()

void TQUndoManager::Undo ( Option_t *  option = "" )

virtual

Performs undo action. Move cursor position backward in history stack.

Reimplemented from TQCommand.

Definition at line 1022 of file TQCommand.cxx.

Member Data Documentation

fCurrent

TQCommand* TQUndoManager::fCurrent

protected

Definition at line 107 of file TQCommand.h.

fCursor

TObjLink* TQUndoManager::fCursor

protected

Definition at line 106 of file TQCommand.h.

fLimit

UInt_t TQUndoManager::fLimit

protected

Definition at line 108 of file TQCommand.h.

fLogBook

TList* TQUndoManager::fLogBook

protected

Definition at line 109 of file TQCommand.h.

fLogging

Bool_t TQUndoManager::fLogging

protected

Definition at line 110 of file TQCommand.h.

Libraries for TQUndoManager:

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