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Reference Guide
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 17 of file TLink.h.

Public Types

enum  EStatusBits { kIsStarStar = (1ULL << ( 2 )) }
 
- Public Types inherited from TText
enum  { kTextNDC = (1ULL << ( 14 )) }
 
- 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 ))
}
 

Public Member Functions

 TLink ()
 Link default constructor. More...
 
 TLink (Double_t x, Double_t y, void *pointer)
 Constructor to define a link object. More...
 
virtual ~TLink ()
 Link default destructor. More...
 
void ExecuteEvent (Int_t event, Int_t px, Int_t py) override
 Execute action corresponding to one event. More...
 
TClassIsA () const override
 
void Streamer (TBuffer &) override
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TText
 TText ()
 
 TText (const TText &text)
 Copy constructor. More...
 
 TText (Double_t x, Double_t y, const char *text)
 Text normal constructor. More...
 
 TText (Double_t x, Double_t y, const wchar_t *text)
 Text normal constructor. More...
 
virtual ~TText ()
 Text default destructor. More...
 
void Copy (TObject &text) const override
 Copy this text to text. More...
 
Int_t DistancetoPrimitive (Int_t px, Int_t py) override
 Compute distance from point px,py to a string. More...
 
virtual TTextDrawText (Double_t x, Double_t y, const char *text)
 Draw this text with new coordinates. More...
 
virtual TTextDrawText (Double_t x, Double_t y, const wchar_t *text)
 Draw this text with new coordinates. More...
 
virtual TTextDrawTextNDC (Double_t x, Double_t y, const char *text)
 Draw this text with new coordinates in NDC. More...
 
virtual TTextDrawTextNDC (Double_t x, Double_t y, const wchar_t *text)
 Draw this text with new coordinates in NDC. More...
 
void ExecuteEvent (Int_t event, Int_t px, Int_t py) override
 Execute action corresponding to one event. More...
 
Rectangle_t GetBBox () override
 Return the "bounding Box" of the Box. More...
 
TPoint GetBBoxCenter () override
 Return the point given by Alignment as 'center'. More...
 
virtual void GetBoundingBox (UInt_t &w, UInt_t &h, Bool_t angle=kFALSE)
 Return text size in pixels. More...
 
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. More...
 
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. More...
 
virtual void GetTextAscentDescent (UInt_t &a, UInt_t &d, const char *text) const
 Return text ascent and descent for string text. More...
 
virtual void GetTextAscentDescent (UInt_t &a, UInt_t &d, const wchar_t *text) const
 Return text ascent and descent for string text. More...
 
virtual void GetTextExtent (UInt_t &w, UInt_t &h, const char *text) const
 Return text extent for string text. More...
 
virtual void GetTextExtent (UInt_t &w, UInt_t &h, const wchar_t *text) const
 Return text extent for string text. More...
 
const void * GetWcsTitle (void) const
 Returns the text as UNICODE. More...
 
Double_t GetX () const
 
Double_t GetY () const
 
TClassIsA () const override
 
void ls (Option_t *option="") const override
 List this text with its attributes. More...
 
TTextoperator= (const TText &src)
 Assignment operator. More...
 
void Paint (Option_t *option="") override
 Paint this text with its current attributes. More...
 
virtual void PaintControlBox (Int_t x, Int_t y, Double_t theta)
 Paint the text control box. More...
 
virtual void PaintText (Double_t x, Double_t y, const char *text)
 Draw this text with new coordinates. More...
 
virtual void PaintText (Double_t x, Double_t y, const wchar_t *text)
 Draw this text with new coordinates. More...
 
virtual void PaintTextNDC (Double_t u, Double_t v, const char *text)
 Draw this text with new coordinates in NDC. More...
 
virtual void PaintTextNDC (Double_t u, Double_t v, const wchar_t *text)
 Draw this text with new coordinates in NDC. More...
 
void Print (Option_t *option="") const override
 Dump this text with its attributes. More...
 
void SavePrimitive (std::ostream &out, Option_t *option="") override
 Save primitive as a C++ statement(s) on output stream out. More...
 
void SetBBoxCenter (const TPoint &p) override
 Set the point given by Alignment as 'center'. More...
 
void SetBBoxCenterX (const Int_t x) override
 Set X coordinate of the point given by Alignment as 'center'. More...
 
void SetBBoxCenterY (const Int_t y) override
 Set Y coordinate of the point given by Alignment as 'center'. More...
 
void SetBBoxX1 (const Int_t) override
 Set left hand side of BoundingBox to a value (resize in x direction on left) More...
 
void SetBBoxX2 (const Int_t) override
 Set right hand side of BoundingBox to a value (resize in x direction on right) More...
 
void SetBBoxY1 (const Int_t) override
 Set top of BoundingBox to a value (resize in y direction on top) More...
 
void SetBBoxY2 (const Int_t) override
 Set bottom of BoundingBox to a value (resize in y direction on bottom) More...
 
virtual void SetMbTitle (const wchar_t *title=L"")
 Change (i.e. set) the title of the TNamed. More...
 
virtual void SetNDC (Bool_t isNDC=kTRUE)
 Set NDC mode on if isNDC = kTRUE, off otherwise. More...
 
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)
 
void Streamer (TBuffer &) override
 Stream an object of class TText. More...
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TNamed
 TNamed ()
 
 TNamed (const char *name, const char *title)
 
 TNamed (const TNamed &named)
 TNamed copy ctor. More...
 
 TNamed (const TString &name, const TString &title)
 
virtual ~TNamed ()
 TNamed destructor. More...
 
void Clear (Option_t *option="") override
 Set name and title to empty strings (""). More...
 
TObjectClone (const char *newname="") const override
 Make a clone of an object using the Streamer facility. More...
 
Int_t Compare (const TObject *obj) const override
 Compare two TNamed objects. More...
 
void Copy (TObject &named) const override
 Copy this to obj. More...
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer. More...
 
const char * GetName () const override
 Returns name of object. More...
 
const char * GetTitle () const override
 Returns title of object. More...
 
ULong_t Hash () const override
 Return hash value for this object. More...
 
TClassIsA () const override
 
Bool_t IsSortable () const override
 
void ls (Option_t *option="") const override
 List TNamed name and title. More...
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
void Print (Option_t *option="") const override
 Print TNamed name and title. More...
 
virtual void SetName (const char *name)
 Set the name of the TNamed. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
void Streamer (TBuffer &) override
 Stream an object of class TObject. More...
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- 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...
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action. More...
 
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. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method. More...
 
virtual void Copy (TObject &object) const
 Copy this to obj. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. 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 TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () 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 const char * GetName () const
 Returns 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_tGetOption () const
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
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...
 
virtual ULong_t Hash () const
 Return hash value for this object. 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)
 
virtual TClassIsA () const
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
R__ALWAYS_INLINE Bool_t IsOnHeap () const
 
virtual Bool_t IsSortable () const
 
R__ALWAYS_INLINE Bool_t IsZombie () const
 
virtual void ls (Option_t *option="") const
 The ls function lists the contents of a class on stdout. More...
 
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...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. 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)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual void Print (Option_t *option="") const
 This method must be overridden when a class wants to print itself. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. 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)
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
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 Streamer (TBuffer &)
 Stream an object of class TObject. More...
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
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...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 
- Public Member Functions inherited from TAttText
 TAttText ()
 AttText default constructor. More...
 
 TAttText (Int_t align, Float_t angle, Color_t color, Style_t font, Float_t tsize)
 AttText normal constructor. More...
 
virtual ~TAttText ()
 AttText destructor. More...
 
void Copy (TAttText &atttext) const
 Copy this text attributes to a new TAttText. More...
 
virtual Short_t GetTextAlign () const
 Return the text alignment. More...
 
virtual Float_t GetTextAngle () const
 Return the text angle. More...
 
virtual Color_t GetTextColor () const
 Return the text color. More...
 
virtual Font_t GetTextFont () const
 Return the text font. More...
 
virtual Float_t GetTextSize () const
 Return the text size. More...
 
virtual Float_t GetTextSizePercent (Float_t size)
 Return the text in percent of the pad size. More...
 
virtual TClassIsA () const
 
virtual void Modify ()
 Change current text attributes if necessary. More...
 
virtual void ResetAttText (Option_t *toption="")
 Reset this text attributes to default values. More...
 
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. More...
 
virtual void SetTextAlign (Short_t align=11)
 Set the text alignment. More...
 
virtual void SetTextAngle (Float_t tangle=0)
 Set the text angle. More...
 
virtual void SetTextAttributes ()
 Invoke the DialogCanvas Text attributes. More...
 
virtual void SetTextColor (Color_t tcolor=1)
 Set the text color. More...
 
virtual void SetTextColorAlpha (Color_t tcolor, Float_t talpha)
 Set a transparent marker color. More...
 
virtual void SetTextFont (Font_t tfont=62)
 Set the text font. More...
 
virtual void SetTextSize (Float_t tsize=1)
 Set the text size. More...
 
virtual void SetTextSizePixels (Int_t npixels)
 Set the text size in pixel. More...
 
virtual void Streamer (TBuffer &)
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TAttBBox2D
virtual ~TAttBBox2D ()
 
virtual Rectangle_t GetBBox ()=0
 
virtual TPoint GetBBoxCenter ()=0
 
virtual TClassIsA () const
 
virtual void SetBBoxCenter (const TPoint &p)=0
 
virtual void SetBBoxCenterX (const Int_t x)=0
 
virtual void SetBBoxCenterY (const Int_t y)=0
 
virtual void SetBBoxX1 (const Int_t x)=0
 
virtual void SetBBoxX2 (const Int_t x)=0
 
virtual void SetBBoxY1 (const Int_t y)=0
 
virtual void SetBBoxY2 (const Int_t y)=0
 
virtual void Streamer (TBuffer &)
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 

Static Public Member Functions

static TClassClass ()
 
static const char * Class_Name ()
 
static Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TText
static TClassClass ()
 
static const char * Class_Name ()
 
static Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TNamed
static TClassClass ()
 
static const char * Class_Name ()
 
static Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TObject
static TClassClass ()
 
static const char * Class_Name ()
 
static Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static Longptr_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 TAttText
static TClassClass ()
 
static const char * Class_Name ()
 
static Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TAttBBox2D
static TClassClass ()
 
static const char * Class_Name ()
 
static Version_t Class_Version ()
 
static const char * DeclFileName ()
 

Protected Attributes

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

Additional Inherited Members

- Protected Types inherited from TObject
enum  { kOnlyPrepStep = (1ULL << ( 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). More...
 
void MakeZombie ()
 

#include <TLink.h>

Inheritance diagram for TLink:
[legend]

Member Enumeration Documentation

◆ EStatusBits

Enumerator
kIsStarStar 

Definition at line 24 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

◆ Class()

static TClass * TLink::Class ( )
static
Returns
TClass describing this class

◆ Class_Name()

static const char * TLink::Class_Name ( )
static
Returns
Name of this class

◆ Class_Version()

static Version_t TLink::Class_Version ( )
inlinestatic
Returns
Version of this class

Definition at line 30 of file TLink.h.

◆ DeclFileName()

static const char * TLink::DeclFileName ( )
inlinestatic
Returns
Name of the file containing the class declaration

Definition at line 30 of file TLink.h.

◆ ExecuteEvent()

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

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 TObject.

Definition at line 68 of file TLink.cxx.

◆ IsA()

TClass * TLink::IsA ( ) const
inlineoverridevirtual
Returns
TClass describing current object

Reimplemented from TAttBBox2D.

Definition at line 30 of file TLink.h.

◆ Streamer()

void TLink::Streamer ( TBuffer )
overridevirtual

Reimplemented from TAttBBox2D.

◆ StreamerNVirtual()

void TLink::StreamerNVirtual ( TBuffer ClassDef_StreamerNVirtual_b)
inline

Definition at line 30 of file TLink.h.

Member Data Documentation

◆ fLink

void* TLink::fLink
protected

pointer to object

Definition at line 21 of file TLink.h.

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