TLink Class Reference

Special TText object used to show hyperlinks.

In the example below created by TObject::Inspect, TLinks are used to show pointers to other objects. Clicking on one link, inspect the corresponding object.

Definition at line 18 of file TLink.h.

Public Types
enum	EStatusBits { kIsStarStar = BIT(2) }
Public Types inherited from TText
enum	{ kTextNDC = BIT(14) }
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) }

Public Member Functions
	TLink ()
	Link default constructor.
	TLink (Double_t x, Double_t y, void *pointer)
	Constructor to define a link object.
virtual	~TLink ()
	Link default destructor.
virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to one event.
Public Member Functions inherited from TText
	TText ()
	TText (const TText &text)
	Copy constructor.
	TText (Double_t x, Double_t y, const char *text)
	Text normal constructor.
	TText (Double_t x, Double_t y, const wchar_t *text)
	Text normal constructor.
virtual	~TText ()
	Text default destructor.
void	Copy (TObject &text) const
	Copy this text to text.
virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Compute distance from point px,py to a string.
virtual TText *	DrawText (Double_t x, Double_t y, const char *text)
	Draw this text with new coordinates.
virtual TText *	DrawText (Double_t x, Double_t y, const wchar_t *text)
	Draw this text with new coordinates.
virtual TText *	DrawTextNDC (Double_t x, Double_t y, const char *text)
	Draw this text with new coordinates in NDC.
virtual TText *	DrawTextNDC (Double_t x, Double_t y, const wchar_t *text)
	Draw this text with new coordinates in NDC.
virtual Rectangle_t	GetBBox ()
	Return the "bounding Box" of the Box.
virtual TPoint	GetBBoxCenter ()
	Return the point given by Alignment as 'center'.
virtual void	GetBoundingBox (UInt_t &w, UInt_t &h, Bool_t angle=kFALSE)
	Return text size in pixels.
virtual void	GetControlBox (Int_t x, Int_t y, Double_t theta, Int_t cBoxX[4], Int_t cBoxY[4])
	Return the text control box.
virtual void	GetTextAdvance (UInt_t &a, const char *text, const Bool_t kern=kTRUE) const
	Return text advance for string text if kern is true (default) kerning is taken into account.
virtual void	GetTextAscentDescent (UInt_t &a, UInt_t &d, const char *text) const
	Return text ascent and descent for string text.
virtual void	GetTextAscentDescent (UInt_t &a, UInt_t &d, const wchar_t *text) const
	Return text ascent and descent for string text.
virtual void	GetTextExtent (UInt_t &w, UInt_t &h, const char *text) const
	Return text extent for string text.
virtual void	GetTextExtent (UInt_t &w, UInt_t &h, const wchar_t *text) const
	Return text extent for string text.
const void *	GetWcsTitle (void) const
	Returns the text as UNICODE.
Double_t	GetX () const
Double_t	GetY () const
virtual void	ls (Option_t *option="") const
	List this text with its attributes.
TText &	operator= (const TText &src)
	Assignment operator.
virtual void	Paint (Option_t *option="")
	Paint this text with its current attributes.
virtual void	PaintControlBox (Int_t x, Int_t y, Double_t theta)
	Paint the text control box.
virtual void	PaintText (Double_t x, Double_t y, const char *text)
	Draw this text with new coordinates.
virtual void	PaintText (Double_t x, Double_t y, const wchar_t *text)
	Draw this text with new coordinates.
virtual void	PaintTextNDC (Double_t u, Double_t v, const char *text)
	Draw this text with new coordinates in NDC.
virtual void	PaintTextNDC (Double_t u, Double_t v, const wchar_t *text)
	Draw this text with new coordinates in NDC.
virtual void	Print (Option_t *option="") const
	Dump this text with its attributes.
virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save primitive as a C++ statement(s) on output stream out.
virtual void	SetBBoxCenter (const TPoint &p)
	Set the point given by Alignment as 'center'.
virtual void	SetBBoxCenterX (const Int_t x)
	Set X coordinate of the point given by Alignment as 'center'.
virtual void	SetBBoxCenterY (const Int_t y)
	Set Y coordinate of the point given by Alignment as 'center'.
virtual void	SetBBoxX1 (const Int_t x)
	Set left hand side of BoundingBox to a value (resize in x direction on left)
virtual void	SetBBoxX2 (const Int_t x)
	Set right hand side of BoundingBox to a value (resize in x direction on right)
virtual void	SetBBoxY1 (const Int_t y)
	Set top of BoundingBox to a value (resize in y direction on top)
virtual void	SetBBoxY2 (const Int_t y)
	Set bottom of BoundingBox to a value (resize in y direction on bottom)
virtual void	SetMbTitle (const wchar_t *title=L"")
	Change (i.e. set) the title of the TNamed.
virtual void	SetNDC (Bool_t isNDC=kTRUE)
	Set NDC mode on if isNDC = kTRUE, off otherwise.
virtual void	SetText (Double_t x, Double_t y, const char *text)
virtual void	SetText (Double_t x, Double_t y, const wchar_t *text)
virtual void	SetX (Double_t x)
virtual void	SetY (Double_t y)
Public Member Functions inherited from TNamed
	TNamed ()
	TNamed (const char *name, const char *title)
	TNamed (const TNamed &named)
	TNamed copy ctor.
	TNamed (const TString &name, const TString &title)
virtual	~TNamed ()
	TNamed destructor.
virtual void	Clear (Option_t *option="")
	Set name and title to empty strings ("").
virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility.
virtual Int_t	Compare (const TObject *obj) const
	Compare two TNamed objects.
virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.
virtual const char *	GetName () const
	Returns name of object.
virtual const char *	GetTitle () const
	Returns title of object.
virtual ULong_t	Hash () const
	Return hash value for this object.
virtual Bool_t	IsSortable () const
TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.
virtual void	SetName (const char *name)
	Set the name of the TNamed.
virtual void	SetNameTitle (const char *name, const char *title)
	Set all the TNamed parameters (name and title).
virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.
virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.
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.
virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.
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	Delete (Option_t *option="")
	Delete this object.
virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.
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 for instance with: gROOT->SetSelectedPad(gPad).
virtual void	Dump () const
	Dump contents of object on stdout.
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=0)
	Execute method on this object with the given parameter string, e.g.
virtual void	Execute (TMethod *method, TObjArray *params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray.
virtual void	Fatal (const char *method, const char *msgfmt,...) const
	Issue fatal error message.
virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.
virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.
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)
virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).
virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).
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).
virtual Bool_t	Notify ()
	This method must be overridden to handle object notification.
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)
	Operator delete [].
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.
virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.
void	ResetBit (UInt_t f)
virtual void	SaveAs (const char *filename="", Option_t *option="") const
	Save this object in the file specified by filename.
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.
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.
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.
Public Member Functions inherited from TAttText
	TAttText ()
	AttText default constructor.
	TAttText (Int_t align, Float_t angle, Color_t color, Style_t font, Float_t tsize)
	AttText normal constructor.
virtual	~TAttText ()
	AttText destructor.
void	Copy (TAttText &atttext) const
	Copy this text attributes to a new TAttText.
virtual Short_t	GetTextAlign () const
	Return the text alignment.
virtual Float_t	GetTextAngle () const
	Return the text angle.
virtual Color_t	GetTextColor () const
	Return the text color.
virtual Font_t	GetTextFont () const
	Return the text font.
virtual Float_t	GetTextSize () const
	Return the text size.
virtual void	Modify ()
	Change current text attributes if necessary.
virtual void	ResetAttText (Option_t *toption="")
	Reset this text attributes to default values.
virtual void	SaveTextAttributes (std::ostream &out, const char *name, Int_t alidef=12, Float_t angdef=0, Int_t coldef=1, Int_t fondef=61, Float_t sizdef=1)
	Save text attributes as C++ statement(s) on output stream out.
virtual void	SetTextAlign (Short_t align=11)
	Set the text alignment.
virtual void	SetTextAngle (Float_t tangle=0)
	Set the text angle.
virtual void	SetTextAttributes ()
	Invoke the DialogCanvas Text attributes.
virtual void	SetTextColor (Color_t tcolor=1)
	Set the text color.
virtual void	SetTextColorAlpha (Color_t tcolor, Float_t talpha)
	Set a transparent marker color.
virtual void	SetTextFont (Font_t tfont=62)
	Set the text font.
virtual void	SetTextSize (Float_t tsize=1)
	Set the text size.
virtual void	SetTextSizePixels (Int_t npixels)
	Set the text size in pixels.
Public Member Functions inherited from TAttBBox2D
virtual	~TAttBBox2D ()

Protected Attributes
void *	fLink
	pointer to object
Protected Attributes inherited from TText
void *	fWcsTitle {nullptr}
	!Used by TMathText
Double_t	fX {0}
	X position of text (left,center,etc..)
Double_t	fY {0}
	Y position of text (left,center,etc..)
Protected Attributes inherited from TNamed
TString	fName
TString	fTitle
Protected Attributes inherited from TAttText
Short_t	fTextAlign
	Text alignment.
Float_t	fTextAngle
	Text angle.
Color_t	fTextColor
	Text color.
Font_t	fTextFont
	Text font.
Float_t	fTextSize
	Text size.

Additional Inherited Members
Static Public Member Functions inherited from TObject
static Long_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.
Protected Types inherited from TObject
enum	{ kOnlyPrepStep = BIT(3) }
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 ()

#include <TLink.h>

Inheritance diagram for TLink:

Member Enumeration Documentation

EStatusBits

enum TLink::EStatusBits

Enumerator
kIsStarStar

Definition at line 25 of file TLink.h.

Constructor & Destructor Documentation

TLink() [1/2]

TLink::TLink

(

)

Link default constructor.

Definition at line 34 of file TLink.cxx.

TLink() [2/2]

TLink::TLink	(	Double_t	x,
		Double_t	y,
		void *	pointer
	)

Constructor to define a link object.

pointer points to any kind of object.

Definition at line 44 of file TLink.cxx.

~TLink()

TLink::~TLink ( )

virtual

Link default destructor.

Definition at line 56 of file TLink.cxx.

Member Function Documentation

ExecuteEvent()

void TLink::ExecuteEvent ( Int_t  event, Int_t  px, Int_t  py  )

virtual

Execute action corresponding to one event.

This member function is called when a link is clicked with the locator

If mouse is clicked on a link text, the object pointed by the link is Inspected

Reimplemented from TText.

Definition at line 68 of file TLink.cxx.

Member Data Documentation

fLink

void* TLink::fLink

protected

pointer to object

Definition at line 22 of file TLink.h.

Libraries for TLink:

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

• graf2d/graf/inc/TLink.h
• graf2d/graf/src/TLink.cxx