TQUndoManager Class Reference

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

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.

Libraries for TQUndoManager:

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

• core/base/inc/TQCommand.h
• core/base/src/TQCommand.cxx