Recorder of operations for undo and redo.

Definition at line 103 of file TQCommand.h.

Public Member Functions
	TQUndoManager ()
	Constructor.

virtual	~TQUndoManager ()
	Destructor.

void	Add (TObject *obj) override

void	Add (TObject obj, Option_t opt) override
	Add command to the stack of commands.

Bool_t	CanRedo () const override
	Returns kTRUE if redo action is possible.

Bool_t	CanUndo () const override
	Returns kTRUE if undo action is possible.

virtual void	CurrentChanged (TQCommand *c)
	emit signal

TQCommand *	GetCurrent () const
	Returns the last executed command.

TQCommand *	GetCursor () const
	Returns a command correspondent to the current cursor position in stack.

UInt_t	GetLimit () const
	Returns a maximum number of commands which could be located in stack.

TClass *	IsA () const override

Bool_t	IsLogging () const
	Returns kTRUE if logging is ON.

void	ls (Option_t *option="") const override
	Lists all commands in stack.

void	Redo (Option_t *option="") override
	Performs redo action. Move cursor position forward in history stack.

virtual void	SetLimit (UInt_t limit)
	Returns a maximum number of commands which could be located in stack.

virtual void	SetLogging (Bool_t on=kTRUE)
	Start logging.

void	Streamer (TBuffer &) override
	Stream all objects in the collection to or from the I/O buffer.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

void	Undo (Option_t *option="") override
	Performs undo action. Move cursor position backward in history stack.

Public Member Functions inherited from TQCommand
	TQCommand (const char cl=nullptr, void object=nullptr, const char redo=nullptr, const char undo=nullptr)
	Constructor.

	TQCommand (const TQCommand &com)
	Copy constructor.

	TQCommand (TObject obj, const char redo=nullptr, const char *undo=nullptr)
	Constructor.

virtual	~TQCommand ()
	dtor.

virtual Bool_t	CanCompress (TQCommand *c) const
	By default, commands can be compressed if they are:

virtual Bool_t	CanMerge (TQCommand *c) const
	Two commands can be merged if they can be composed into a single command (Macro command).

virtual void	Compress (TQCommand *c)
	Compress command.

void	Delete (Option_t *option="") override
	If "opt" is not zero delete every merged command which option string is equal to "opt".

const char *	GetName () const override
	Returns the command name.

Int_t	GetNRargs () const
	Returns a number of redo arguments.

Int_t	GetNUargs () const
	Returns a number of undo arguments.

void *	GetObject () const
	Returns an object for which undo redo actions are applied.

TQConnection *	GetRedo () const

Long_t *	GetRedoArgs () const
	Returns a pointer to array of redo arguments.

const char *	GetRedoName () const
	Returns the name of redo command.

Int_t	GetStatus () const
	Returns a number of sequential undo or redo operations.

const char *	GetTitle () const override
	Returns command description.

TQConnection *	GetUndo () const

Long_t *	GetUndoArgs () const
	Returns a pointer to array of undo arguments.

const char *	GetUndoName () const
	Returns the name of undo command.

Bool_t	IsEqual (const TObject *obj) const override
	Equal comparison.

Bool_t	IsExecuting () const
	Returns kTRUE if command execution is in progress.

Bool_t	IsMacro () const
	Returns kTRUE if neither redo nor undo action specified.

Bool_t	IsRedoing () const
	Redo action is in progress.

virtual Bool_t	IsSetter () const
	Returns kTRUE is command if Redo is the same as Undo function and is the setter action.

Bool_t	IsUndoing () const
	Undo action is in progress.

virtual Long64_t	Merge (TCollection , TFileMergeInfo )
	Merge a collection of TQCommand.

virtual void	Merge (TQCommand *c)
	Add command to the list of merged commands.

virtual void	SetArgs (Int_t nargs,...)
	Set do/redo and undo parameters.

virtual void	SetName (const char *name)
	Sets name of the command.

virtual void	SetRedoArgs (Int_t nargs,...)
	Set redo parameters.

virtual void	SetTitle (const char *title)
	Sets description of the command.

virtual void	SetUndoArgs (Int_t nargs,...)
	Set undo parameters.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TList
	TList ()

The argument is ignored Use the default constructor	TList ().")

	TList (TObject *) R__DEPRECATED(6

virtual	~TList ()
	Delete the list.

void	AddAfter (const TObject after, TObject obj) override
	Insert object after object after in the list.

virtual void	AddAfter (TObjLink after, TObject obj)
	Insert object after the specified ObjLink object.

void	AddAt (TObject *obj, Int_t idx) override
	Insert object at position idx in the list.

void	AddBefore (const TObject before, TObject obj) override
	Insert object before object before in the list.

virtual void	AddBefore (TObjLink before, TObject obj)
	Insert object before the specified ObjLink object.

void	AddFirst (TObject *obj) override
	Add object at the beginning of the list.

virtual void	AddFirst (TObject obj, Option_t opt)
	Add object at the beginning of the list and also store option.

void	AddLast (TObject *obj) override
	Add object at the end of the list.

virtual void	AddLast (TObject obj, Option_t opt)
	Add object at the end of the list and also store option.

TObject *	After (const TObject *obj) const override
	Returns the object after object obj.

TObject *	At (Int_t idx) const override
	Returns the object at position idx. Returns 0 if idx is out of range.

TObject *	Before (const TObject *obj) const override
	Returns the object before object obj.

void	Clear (Option_t *option="") override
	Remove all objects from the list.

TObject *	FindObject (const char *name) const override
	Find an object in this list using its name.

TObject *	FindObject (const TObject *obj) const override
	Find an object in this list using the object's IsEqual() member function.

TObject *	First () const override
	Return the first object in the list. Returns 0 when list is empty.

virtual TObjLink *	FirstLink () const

TObject **	GetObjectRef (const TObject *obj) const override
	Return address of pointer to obj.

Bool_t	IsAscending ()

TObject *	Last () const override
	Return the last object in the list. Returns 0 when list is empty.

virtual TObjLink *	LastLink () const

TIterator *	MakeIterator (Bool_t dir=kIterForward) const override
	Return a list iterator.

void	RecursiveRemove (TObject *obj) override
	Remove object from this collection and recursively remove the object from all other objects (and collections).

TObject *	Remove (const TObjLinkPtr_t &lnk)

TObject *	Remove (TObject *obj) override
	Remove object from the list.

virtual TObject *	Remove (TObjLink *lnk)
	Remove object link (and therefore the object it contains) from the list.

void	RemoveLast () override
	Remove the last object of the list.

virtual void	Sort (Bool_t order=kSortAscending)
	Sort linked list.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TSeqCollection
virtual	~TSeqCollection ()

void	Add (TObject *obj) override

virtual Int_t	GetLast () const
	Returns index of last object in collection.

virtual Int_t	IndexOf (const TObject *obj) const
	Return index of object in collection.

TClass *	IsA () const override

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.

virtual void	RemoveAfter (TObject *after)

virtual TObject *	RemoveAt (Int_t idx)

virtual void	RemoveBefore (TObject *before)

virtual void	RemoveFirst ()

void	Streamer (TBuffer &) override
	Stream all objects in the collection to or from the I/O buffer.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

void	UnSort ()

Public Member Functions inherited from TCollection
virtual	~TCollection ()
	TNamed destructor.

virtual void	AddAll (const TCollection *col)
	Add all objects from collection col to this collection.

void	AddVector (TObject *obj1,...)
	Add all arguments to the collection.

Bool_t	AssertClass (TClass *cl) const
	Make sure all objects in this collection inherit from class cl.

TIter	begin () const

void	Browse (TBrowser *b) override
	Browse this collection (called by TBrowser).

Int_t	Capacity () const

TObject *	Clone (const char *newname="") const override
	Make a clone of an collection using the Streamer facility.

Int_t	Compare (const TObject *obj) const override
	Compare two TCollection objects.

Bool_t	Contains (const char *name) const

Bool_t	Contains (const TObject *obj) const

void	Draw (Option_t *option="") override
	Draw all objects in this collection.

void	Dump () const override
	Dump all objects in this collection.

TIter	end () const

virtual Int_t	GetEntries () const

virtual Int_t	GetSize () const
	Return the capacity of the collection, i.e.

virtual Int_t	GrowBy (Int_t delta) const
	Increase the collection's capacity by delta slots.

ULong_t	Hash () const override
	Return hash value for this object.

Bool_t	IsArgNull (const char where, const TObject obj) const
	Returns true if object is a null pointer.

virtual Bool_t	IsEmpty () const

Bool_t	IsFolder () const override
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

Bool_t	IsOwner () const

Bool_t	IsSortable () const override

R__ALWAYS_INLINE Bool_t	IsUsingRWLock () const

virtual TIterator *	MakeReverseIterator () const

Bool_t	Notify () override
	'Notify' all objects in this collection.

TObject *	operator() (const char *name) const
	Find an object in this collection by name.

void	Paint (Option_t *option="") override
	Paint all objects in this collection.

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.

virtual void	Print (Option_t *option, Int_t recurse) const
	Print the collection header and its elements.

virtual void	Print (Option_t *option, TPRegexp &regexp, Int_t recurse=1) const
	Print the collection header and its elements that match the regexp.

void	Print (Option_t *option="") const override
	Default print for collections, calls Print(option, 1).

void	RemoveAll ()

virtual void	RemoveAll (TCollection *col)
	Remove all objects in collection col from this collection.

void	SetCurrentCollection ()
	Set this collection to be the globally accessible collection.

void	SetName (const char *name)

virtual void	SetOwner (Bool_t enable=kTRUE)
	Set whether this collection is the owner (enable==true) of its content.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual bool	UseRWLock (Bool_t enable=true)
	Set this collection to use a RW lock upon access, making it thread safe.

Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const override
	Write all objects in this collection.

Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) override
	Write all objects in this collection.

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Copy (TObject &object) const
	Copy this to obj.

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

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.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

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).

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *, size_t)
	Operator delete for sized deallocation.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *, size_t)
	Operator delete [] for sized deallocation.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

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.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

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.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

Public Member Functions inherited from TQObject
	TQObject ()
	TQObject Constructor.

virtual	~TQObject ()
	TQObject Destructor.

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.

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.

virtual void	Connected (const char *)

virtual void	Destroyed ()

Bool_t	Disconnect (const char signal=nullptr, void receiver=nullptr, const char *slot=nullptr)
	Disconnects signal of this object from slot of receiver.

virtual void	Disconnected (const char *)

void	Emit (const char *signal)
	Activate signal without args.

template<typename T >
void	Emit (const char *signal, const T &arg)
	Activate signal with single parameter.

template<typename... T>
void	EmitVA (const char *signal_name, Int_t, const T &... params)
	Emit a signal with a varying number of arguments.

TList *	GetListOfClassSignals () const
	Returns pointer to list of signals of this class.

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.

virtual void	HighPriority (const char signal_name, const char slot_name=nullptr)

virtual void	LowPriority (const char signal_name, const char slot_name=nullptr)

virtual void	Message (const char *msg)

virtual Int_t	NumberOfConnections () const
	Return number of connections for this object.

virtual Int_t	NumberOfSignals () const
	Return number of signals for this object.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TQCommand
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static TQCommand *	GetCommand ()
	Return a command which is doing redo/undo action.

Static Public Member Functions inherited from TList
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TSeqCollection
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Int_t	ObjCompare (TObject a, TObject b)
	Compare to objects in the collection. Use member Compare() of object a.

static void	QSort (TObject **a, Int_t first, Int_t last)
	Sort array of TObject pointers using a quicksort algorithm.

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.

static void	QSort (TObject a, TObject b, Int_t first, Int_t last)

Static Public Member Functions inherited from TCollection
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static void	EmptyGarbageCollection ()
	Do the garbage collection.

static void	GarbageCollect (TObject *obj)
	Add to the list of things to be cleaned up.

static TCollection *	GetCurrentCollection ()
	Return the globally accessible collection.

static void	StartGarbageCollection ()
	Set up for garbage collection.

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Static Public Member Functions inherited from TQObject
static Bool_t	AreAllSignalsBlocked ()
	Returns true if all signals are blocked.

static Bool_t	BlockAllSignals (Bool_t b)
	Block or unblock all signals. Returns the previous block status.

static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

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.

static Bool_t	Connect (TQObject sender, const char signal, const char receiver_class, void receiver, const char *slot)
	Create connection between sender and receiver.

static const char *	DeclFileName ()

static Bool_t	Disconnect (const char class_name, const char signal, void receiver=nullptr, const char slot=nullptr)
	Disconnects "class signal".

static Bool_t	Disconnect (TQObject sender, const char signal=nullptr, void receiver=nullptr, const char slot=nullptr)
	Disconnects signal in object sender from slot_method in object receiver.

Protected Member Functions
void	PrintCollectionEntry (TObject entry, Option_t option, Int_t recurse) const override
	Print collection entry.

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.

void	PrintCollectionHeader (Option_t *option) const override
	Print collection header.

Protected Member Functions inherited from TList
TObjLinkPtr_t *	DoSort (TObjLinkPtr_t *head, Int_t n)
	Sort linked list.

TObjLink *	FindLink (const TObject *obj, Int_t &idx) const
	Returns the TObjLink object that contains object obj.

void	InsertAfter (const TObjLinkPtr_t &newlink, const TObjLinkPtr_t &prev)
	Insert a new link in the chain.

TObjLink *	LinkAt (Int_t idx) const
	sorting order (when calling Sort() or for TSortedList)

Bool_t	LnkCompare (const TObjLinkPtr_t &l1, const TObjLinkPtr_t &l2)
	Compares the objects stored in the TObjLink objects.

TObjLinkPtr_t	NewLink (TObject *obj, const TObjLinkPtr_t &prev=nullptr)
	Return a new TObjLink.

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).

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.

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).

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

TObjLinkWeakPtr_t	fCache
	pointer to last entry in linked list

TObjLinkPtr_t	fFirst

TObjLinkPtr_t	fLast
	pointer to first entry in linked list

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

TList *	fListOfSignals

Bool_t	fSignalsBlocked
	list of connections to this object

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 = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

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 = (1ULL << ( 14 )) , kUseRWLock = (1ULL << ( 16 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

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 consistency of sender/receiver methods/arguments.

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.

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.

static Bool_t	ConnectToClass (TQObject sender, const char signal, TClass receiver_class, void receiver, const char *slot)
	Create connection between sender and receiver.

Static Protected Attributes inherited from TQObject
static Bool_t	fgAllSignalsBlocked = kFALSE
	flag used for suppression of signals

#include <TQCommand.h>

Inheritance diagram for TQUndoManager:

[legend]

Constructor & Destructor Documentation

◆ TQUndoManager()

TQUndoManager::TQUndoManager ( )

Constructor.

Definition at line 877 of file TQCommand.cxx.

◆ ~TQUndoManager()

TQUndoManager::~TQUndoManager ( )

virtual

Destructor.

Definition at line 889 of file TQCommand.cxx.

Member Function Documentation

◆ Add() [1/2]

void TQUndoManager::Add ( TObject * obj )

inlineoverridevirtual

Reimplemented from TQCommand.

Definition at line 119 of file TQCommand.h.

◆ Add() [2/2]

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

overridevirtual

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 959 of file TQCommand.cxx.

◆ CanRedo()

Bool_t TQUndoManager::CanRedo ( ) const

overridevirtual

Returns kTRUE if redo action is possible.

Reimplemented from TQCommand.

Definition at line 1085 of file TQCommand.cxx.

◆ CanUndo()

Bool_t TQUndoManager::CanUndo ( ) const

overridevirtual

Returns kTRUE if undo action is possible.

Reimplemented from TQCommand.

Definition at line 1099 of file TQCommand.cxx.

◆ Class()

static TClass * TQUndoManager::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TQUndoManager::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TQUndoManager::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 133 of file TQCommand.h.

◆ CurrentChanged()

void TQUndoManager::CurrentChanged ( TQCommand * c )

virtual

emit signal

Definition at line 1013 of file TQCommand.cxx.

◆ DeclFileName()

static const char * TQUndoManager::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 133 of file TQCommand.h.

◆ GetCurrent()

TQCommand * TQUndoManager::GetCurrent ( ) const

Returns the last executed command.

Definition at line 1121 of file TQCommand.cxx.

◆ GetCursor()

TQCommand * TQUndoManager::GetCursor ( ) const

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

Definition at line 1129 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 1145 of file TQCommand.cxx.

◆ IsA()

TClass * TQUndoManager::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TQCommand.

Definition at line 133 of file TQCommand.h.

◆ IsLogging()

Bool_t TQUndoManager::IsLogging ( ) const

Returns kTRUE if logging is ON.

Definition at line 1113 of file TQCommand.cxx.

◆ ls()

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

overridevirtual

Lists all commands in stack.

Reimplemented from TQCommand.

Definition at line 901 of file TQCommand.cxx.

◆ PrintCollectionEntry()

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

overrideprotectedvirtual

Print collection entry.

Reimplemented from TCollection.

Definition at line 921 of file TQCommand.cxx.

◆ Redo()

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

overridevirtual

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

Reimplemented from TQCommand.

Definition at line 1053 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 1137 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 938 of file TQCommand.cxx.

◆ Streamer()

void TQUndoManager::Streamer ( TBuffer & b )

overridevirtual

Stream all objects in the collection to or from the I/O buffer.

Reimplemented from TQCommand.

◆ StreamerNVirtual()

void TQUndoManager::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 133 of file TQCommand.h.

◆ Undo()

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

overridevirtual

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

Reimplemented from TQCommand.

Definition at line 1021 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.

core/base/inc/TQCommand.h

core/base/src/TQCommand.cxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TQUndoManager()

◆ ~TQUndoManager()

Member Function Documentation

◆ Add() [1/2]

◆ Add() [2/2]

◆ CanRedo()

◆ CanUndo()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ CurrentChanged()

◆ DeclFileName()

◆ GetCurrent()

◆ GetCursor()

◆ GetLimit()

◆ IsA()

◆ IsLogging()

◆ ls()

◆ PrintCollectionEntry()

◆ Redo()

◆ SetLimit()

◆ SetLogging()

◆ Streamer()

◆ StreamerNVirtual()

◆ Undo()

Member Data Documentation

◆ fCurrent

◆ fCursor

◆ fLimit

◆ fLogBook

◆ fLogging