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TGLabel Class Reference

This class handles GUI labels.

Definition at line 24 of file TGLabel.h.

Public Member Functions

 TGLabel (const TGWindow *p, TGString *text, GContext_t norm=GetDefaultGC()(), FontStruct_t font=GetDefaultFontStruct(), UInt_t options=kChildFrame, Pixel_t back=GetDefaultFrameBackground())
 Create a label GUI object.
 
 TGLabel (const TGWindow *p=nullptr, const char *text=nullptr, GContext_t norm=GetDefaultGC()(), FontStruct_t font=GetDefaultFontStruct(), UInt_t options=kChildFrame, Pixel_t back=GetDefaultFrameBackground())
 Create a label GUI object.
 
 ~TGLabel () override
 Delete label.
 
virtual void ChangeText (const char *newText)
 
virtual void Disable (Bool_t on=kTRUE)
 
virtual void Enable ()
 
Int_t Get3DStyle () const
 
Int_t GetBottomMargin () const
 
TGDimension GetDefaultSize () const override
 Return default size.
 
TGFontGetFont () const
 
FontStruct_t GetFontStruct () const
 
Int_t GetLeftMargin () const
 
GContext_t GetNormGC () const
 
Int_t GetRightMargin () const
 
const TGStringGetText () const
 
Int_t GetTextJustify () const
 
const char * GetTitle () const override
 Returns title of object.
 
Int_t GetTopMargin () const
 
Int_t GetWrapLength () const
 
Bool_t HasOwnFont () const
 Returns kTRUE if text attributes are unique.
 
TClassIsA () const override
 
Bool_t IsDisabled () const
 
void Layout () override
 Layout label.
 
void SavePrimitive (std::ostream &out, Option_t *option="") override
 Save a label widget as a C++ statement(s) on output stream out.
 
void Set3DStyle (Int_t style)
 
void SetForegroundColor (Pixel_t fore) override
 
void SetMargins (Int_t left=0, Int_t right=0, Int_t top=0, Int_t bottom=0)
 
void SetText (const char *newText)
 
void SetText (Int_t number)
 
virtual void SetText (TGString *newText)
 Set new text in label.
 
virtual void SetTextColor (Pixel_t color, Bool_t global=kFALSE)
 Changes text color.
 
virtual void SetTextColor (TColor *color, Bool_t global=kFALSE)
 Changes text color.
 
virtual void SetTextFont (const char *fontName, Bool_t global=kFALSE)
 Changes text font specified by name.
 
virtual void SetTextFont (FontStruct_t font, Bool_t global=kFALSE)
 Changes text font.
 
virtual void SetTextFont (TGFont *font, Bool_t global=kFALSE)
 Changes text font specified by pointer to TGFont object.
 
void SetTextJustify (Int_t tmode)
 Set text justification.
 
virtual void SetTitle (const char *label)
 
void SetWrapLength (Int_t wl)
 
void Streamer (TBuffer &) override
 Stream an object of class TObject.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TGFrame
 TGFrame (const TGWindow *p=nullptr, UInt_t w=1, UInt_t h=1, UInt_t options=0, Pixel_t back=GetDefaultFrameBackground())
 Create a TGFrame object. Options is an OR of the EFrameTypes.
 
 TGFrame (TGClient *c, Window_t id, const TGWindow *parent=nullptr)
 Create a frame using an externally created window.
 
 ~TGFrame () override
 Destructor.
 
virtual void Activate (Bool_t)
 
void AddInput (UInt_t emask)
 Add events specified in the emask to the events the frame should handle.
 
virtual void ChangeBackground (Pixel_t back)
 Change frame background color.
 
virtual void ChangeOptions (UInt_t options)
 Change frame options. Options is an OR of the EFrameTypes.
 
Bool_t Contains (Int_t x, Int_t y) const
 
void Delete (Option_t *="") override
 Delete this object.
 
virtual void DeleteWindow ()
 Delete window.
 
virtual void DrawBorder ()
 Draw frame border.
 
void DrawClass () const override
 Draw class inheritance tree of the class to which this object belongs.
 
TObjectDrawClone (Option_t *="") const override
 Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).
 
virtual void DrawCopy (Handle_t, Int_t, Int_t)
 
void Dump () const override
 Dump contents of object on stdout.
 
virtual Pixel_t GetBackground () const
 
Int_t GetBorderWidth () const
 
virtual UInt_t GetDefaultHeight () const
 
virtual UInt_t GetDefaultWidth () const
 
virtual TDNDDataGetDNDData (Atom_t)
 
virtual Int_t GetDragType () const
 Returns drag source type.
 
virtual Int_t GetDropType () const
 Returns drop target type.
 
UInt_t GetEventMask () const
 
virtual Pixel_t GetForeground () const
 Return frame foreground color.
 
TGFrameElementGetFrameElement () const
 
virtual TGFrameGetFrameFromPoint (Int_t x, Int_t y)
 
UInt_t GetHeight () const
 
UInt_t GetMaxHeight () const
 
UInt_t GetMaxWidth () const
 
UInt_t GetMinHeight () const
 
UInt_t GetMinWidth () const
 
virtual UInt_t GetOptions () const
 
TGDimension GetSize () const
 
UInt_t GetWidth () const
 
Int_t GetX () const
 
Int_t GetY () const
 
virtual Bool_t HandleButton (Event_t *)
 
virtual Bool_t HandleClientMessage (Event_t *event)
 Handle a client message.
 
virtual Bool_t HandleColormapChange (Event_t *)
 
virtual Bool_t HandleConfigureNotify (Event_t *event)
 This event is generated when the frame is resized.
 
virtual Bool_t HandleCrossing (Event_t *)
 
virtual Bool_t HandleDNDDrop (TDNDData *)
 
virtual Atom_t HandleDNDEnter (Atom_t *)
 
virtual Bool_t HandleDNDFinished ()
 
virtual Bool_t HandleDNDLeave ()
 
virtual Atom_t HandleDNDPosition (Int_t, Int_t, Atom_t, Int_t, Int_t)
 
virtual Bool_t HandleDoubleClick (Event_t *)
 
virtual Bool_t HandleDragDrop (TGFrame *, Int_t, Int_t, TGLayoutHints *)
 
virtual Bool_t HandleDragEnter (TGFrame *)
 
virtual Bool_t HandleDragLeave (TGFrame *)
 
virtual Bool_t HandleDragMotion (TGFrame *)
 
Bool_t HandleEvent (Event_t *event) override
 Handle all frame events.
 
virtual Bool_t HandleFocusChange (Event_t *)
 
virtual Bool_t HandleKey (Event_t *)
 
virtual Bool_t HandleMotion (Event_t *)
 
virtual Bool_t HandleSelection (Event_t *)
 
virtual Bool_t HandleSelectionClear (Event_t *)
 
virtual Bool_t HandleSelectionRequest (Event_t *)
 
void Inspect () const override
 Dump contents of this object in a graphics canvas.
 
virtual Bool_t IsActive () const
 
virtual Bool_t IsComposite () const
 
Bool_t IsDNDSource () const
 
Bool_t IsDNDTarget () const
 
Bool_t IsEditable () const override
 
virtual Bool_t IsLayoutBroken () const
 
void MapRaised () override
 map raised
 
void MapSubwindows () override
 map sub windows
 
void MapWindow () override
 map window
 
void Move (Int_t x, Int_t y) override
 Move frame.
 
void MoveResize (Int_t x, Int_t y, UInt_t w=0, UInt_t h=0) override
 Move and/or resize the frame.
 
void Print (Option_t *option="") const override
 Print window id.
 
virtual void ProcessedConfigure (Event_t *event)
 
virtual void ProcessedEvent (Event_t *event)
 
virtual Bool_t ProcessMessage (Longptr_t, Longptr_t, Longptr_t)
 
virtual void ReallyDelete ()
 
void RemoveInput (UInt_t emask)
 Remove events specified in emask from the events the frame should handle.
 
void ReparentWindow (const TGWindow *p, Int_t x=0, Int_t y=0) override
 Reparent window, make p the new parent and position the window at position (x,y) in new parent.
 
virtual void Resize (TGDimension size)
 Resize the frame.
 
void Resize (UInt_t w=0, UInt_t h=0) override
 Resize the frame.
 
void SaveUserColor (std::ostream &out, Option_t *)
 Save a user color in a C++ macro file - used in SavePrimitive().
 
virtual void SendMessage (const TGWindow *w, Longptr_t msg, Longptr_t parm1, Longptr_t parm2)
 Send message (i.e.
 
void SetBackgroundColor (Pixel_t back) override
 Set background color (override from TGWindow base class).
 
virtual void SetCleanup (Int_t=kLocalCleanup)
 
void SetDNDSource (Bool_t onoff)
 
void SetDNDTarget (Bool_t onoff)
 
virtual void SetDragType (Int_t type)
 SetDragType.
 
void SetDrawOption (Option_t *="") override
 Set drawing option for object.
 
virtual void SetDropType (Int_t type)
 SetDropType.
 
void SetEditable (Bool_t) override
 
void SetFrameElement (TGFrameElement *fe)
 
virtual void SetHeight (UInt_t h)
 
virtual void SetLayoutBroken (Bool_t=kTRUE)
 
virtual void SetMaxHeight (UInt_t h)
 
virtual void SetMaxWidth (UInt_t w)
 
virtual void SetMinHeight (UInt_t h)
 
virtual void SetMinWidth (UInt_t w)
 
virtual void SetSize (const TGDimension &s)
 
virtual void SetWidth (UInt_t w)
 
virtual void SetX (Int_t x)
 
virtual void SetY (Int_t y)
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
void UnmapWindow () override
 unmap window
 
- Public Member Functions inherited from TGWindow
 TGWindow (const TGWindow *p=nullptr, Int_t x=0, Int_t y=0, UInt_t w=0, UInt_t h=0, UInt_t border=0, Int_t depth=0, UInt_t clss=0, void *visual=nullptr, SetWindowAttributes_t *attr=nullptr, UInt_t wtype=0)
 Create a new window.
 
 TGWindow (TGClient *c, Window_t id, const TGWindow *parent=nullptr)
 Create a copy of a window.
 
 ~TGWindow () override
 Window destructor. Unregisters the window.
 
virtual void DestroySubwindows ()
 destroy sub windows
 
virtual void DestroyWindow ()
 destroy window
 
virtual UInt_t GetEditDisabled () const
 
virtual const TGWindowGetMainFrame () const
 Returns top level main frame.
 
const char * GetName () const override
 Return unique name, used in SavePrimitive methods.
 
const TGWindowGetParent () const
 
virtual Bool_t HandleExpose (Event_t *event)
 
virtual Bool_t HandleIdleEvent (TGIdleHandler *)
 
Bool_t HandleTimer (TTimer *) override
 Execute action in response of a timer timing out.
 
virtual void IconifyWindow ()
 iconify window
 
TClassIsA () const override
 
virtual Bool_t IsMapped ()
 Returns kTRUE if window is mapped on screen, kFALSE otherwise.
 
virtual Bool_t IsMapSubwindows () const
 
virtual void LowerWindow ()
 lower window
 
virtual Int_t MustCleanup () const
 
void Print (Option_t *option="") const override
 Print window id.
 
virtual void RaiseWindow ()
 raise window
 
virtual void RequestFocus ()
 request focus
 
virtual void SetBackgroundPixmap (Pixmap_t pixmap)
 set background pixmap
 
virtual void SetEditDisabled (UInt_t on=kEditDisable)
 
virtual void SetMapSubwindows (Bool_t)
 
virtual void SetName (const char *name)
 
virtual void SetWindowName (const char *name=nullptr)
 Set window name.
 
void Streamer (TBuffer &) override
 Stream an object of class TObject.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TGObject
 TGObject ()
 
 TGObject (const TGObject &tgo)
 
 ~TGObject () override
 TGObject destructor.
 
TGClientGetClient () const
 
Handle_t GetId () const
 
ULong_t Hash () const override
 Return hash value for this object.
 
Bool_t IsEqual (const TObject *obj) const override
 Equal comparison (TGObjects are equal if they have the same window identifier).
 
void SaveAs (const char *filename="", Option_t *option="") const override
 Write this TGObject to a file using TImage, if filename's extension signals a valid TImage::EImageFileType, as defined by TImage::GetImageFileTypeFromFilename().
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- 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 Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility.
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method.
 
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 Draw (Option_t *option="")
 Default Draw method for all objects.
 
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 TObjectFindObject (const char *name) const
 Must be redefined in derived classes.
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes.
 
virtual Option_tGetDrawOption () 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_tGetOption () const
 
virtual UInt_t GetUniqueID () const
 Return the unique object id.
 
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.
 
void InvertBit (UInt_t f)
 
Bool_t IsDestructed () const
 IsDestructed.
 
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
 
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.
 
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 (the base implementation is no-op).
 
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)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator.
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself.
 
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)
 
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 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.
 
virtual Int_t Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory.
 
virtual Int_t Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory.
 
- 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.
 
TListGetListOfClassSignals () const
 Returns pointer to list of signals of this class.
 
TListGetListOfConnections () const
 
TListGetListOfSignals () 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 TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static FontStruct_t GetDefaultFontStruct ()
 Static returning label default font struct.
 
static const TGGCGetDefaultGC ()
 Static returning label default graphics context.
 
- Static Public Member Functions inherited from TGFrame
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static const TGGCGetBckgndGC ()
 Get background color graphics context.
 
static const TGGCGetBlackGC ()
 Get black graphics context.
 
static Pixel_t GetBlackPixel ()
 Get black pixel value.
 
static Pixel_t GetDefaultFrameBackground ()
 Get default frame background.
 
static Pixel_t GetDefaultSelectedBackground ()
 Get default selected frame background.
 
static const TGGCGetHilightGC ()
 Get highlight color graphics context.
 
static const TGGCGetShadowGC ()
 Get shadow color graphics context.
 
static const TGGCGetWhiteGC ()
 Get white graphics context.
 
static Pixel_t GetWhitePixel ()
 Get white pixel value.
 
- Static Public Member Functions inherited from TGWindow
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static Int_t GetCounter ()
 Return global window counter (total number of created windows).
 
- Static Public Member Functions inherited from TGObject
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TObject
static TClassClass ()
 
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 TClassClass ()
 
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 DoRedraw () override
 Redraw label widget.
 
virtual void DrawText (GContext_t gc, Int_t x, Int_t y)
 Draw text at position (x, y).
 
- Protected Member Functions inherited from TGFrame
virtual void Draw3dRectangle (UInt_t type, Int_t x, Int_t y, UInt_t w, UInt_t h)
 Draw 3D rectangle on the frame border.
 
TString GetOptionString () const
 Returns a frame option string - used in SavePrimitive().
 
const TGResourcePoolGetResourcePool () const
 
void * GetSender () override
 
virtual void StartGuiBuilding (Bool_t on=kTRUE)
 Go into GUI building mode.
 
- Protected Member Functions inherited from TGWindow
 TGWindow (const TGWindow &tgw)
 
 TGWindow (Window_t id)
 
TGWindowoperator= (const TGWindow &tgw)
 
- Protected Member Functions inherited from TGObject
TGObjectoperator= (const TGObject &tgo)
 
- 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 const char * GetSenderClassName () const
 

Protected Attributes

Int_t f3DStyle
 3D style (0 - normal, kRaisedFrame - raised, kSunkenFrame - sunken)
 
Bool_t fDisabled
 if kTRUE label looks disabled (shaded text)
 
TGFontfFont
 font to draw label
 
Bool_t fHasOwnFont
 kTRUE - font defined locally, kFALSE - globally
 
Int_t fMBottom
 margin bottom
 
Int_t fMLeft
 margin left
 
Int_t fMRight
 margin right
 
Int_t fMTop
 margin top
 
GContext_t fNormGC
 graphics context used for drawing label
 
TGStringfText
 label text
 
Bool_t fTextChanged
 has text changed
 
Int_t fTFlags
 text flags (see TGFont.h ETextLayoutFlags)
 
UInt_t fTHeight
 text height
 
TGTextLayoutfTLayout
 text layout
 
Int_t fTMode
 text alignment
 
UInt_t fTWidth
 text width
 
Int_t fWrapLength
 wrap length
 
- Protected Attributes inherited from TGFrame
Pixel_t fBackground
 frame background color
 
Int_t fBorderWidth
 frame border width
 
Int_t fDNDState
 EDNDFlags.
 
UInt_t fEventMask
 currently active event mask
 
TGFrameElementfFE
 pointer to frame element
 
UInt_t fHeight
 frame height
 
UInt_t fMaxHeight
 maximal frame height
 
UInt_t fMaxWidth
 maximal frame width
 
UInt_t fMinHeight
 minimal frame height
 
UInt_t fMinWidth
 minimal frame width
 
UInt_t fOptions
 frame options
 
UInt_t fWidth
 frame width
 
Int_t fX
 frame x position
 
Int_t fY
 frame y position
 
- Protected Attributes inherited from TGWindow
UInt_t fEditDisabled
 flags used for "guibuilding"
 
TString fName
 name of the window used in SavePrimitive()
 
Bool_t fNeedRedraw
 kTRUE if window needs to be redrawn
 
const TGWindowfParent
 Parent window.
 
- Protected Attributes inherited from TGObject
TGClientfClient
 Connection to display server.
 
Handle_t fId
 X11/Win32 Window identifier.
 
- Protected Attributes inherited from TQObject
TListfListOfConnections
 list of signals from this object
 
TListfListOfSignals
 
Bool_t fSignalsBlocked
 list of connections to this object
 

Static Protected Attributes

static const TGFontfgDefaultFont = nullptr
 
static const TGGCfgDefaultGC = nullptr
 
- Static Protected Attributes inherited from TGFrame
static const TGGCfgBckgndGC = nullptr
 
static const TGGCfgBlackGC = nullptr
 
static Pixel_t fgBlackPixel = 0
 
static Window_t fgDbw = 0
 
static Int_t fgDbx = 0
 
static Int_t fgDby = 0
 
static Pixel_t fgDefaultFrameBackground = 0
 
static Pixel_t fgDefaultSelectedBackground = 0
 
static const TGGCfgHilightGC = nullptr
 
static Bool_t fgInit = kFALSE
 
static UInt_t fgLastButton = 0
 
static Time_t fgLastClick = 0
 
static const TGGCfgShadowGC = nullptr
 
static UInt_t fgUserColor = 0
 
static const TGGCfgWhiteGC = nullptr
 
static Pixel_t fgWhitePixel = 0
 
- Static Protected Attributes inherited from TGWindow
static Int_t fgCounter = 0
 counter of created windows in SavePrimitive
 
- Static Protected Attributes inherited from TQObject
static Bool_t fgAllSignalsBlocked = kFALSE
 flag used for suppression of signals
 

Private Member Functions

 TGLabel (const TGLabel &)=delete
 
TGLabeloperator= (const TGLabel &)=delete
 

Additional Inherited Members

- Public Types inherited from TGWindow
enum  EEditMode {
  kEditEnable = 0 , kEditDisable = (1ULL << ( 0 )) , kEditDisableEvents = (1ULL << ( 1 )) , kEditDisableGrab = (1ULL << ( 2 )) ,
  kEditDisableLayout = (1ULL << ( 3 )) , kEditDisableResize = (1ULL << ( 4 )) , kEditDisableHeight = (1ULL << ( 5 )) , kEditDisableWidth = (1ULL << ( 6 )) ,
  kEditDisableBtnEnable = (1ULL << ( 7 )) , kEditDisableKeyEnable = (1ULL << ( 8 ))
}
 
enum  EStatusBits { kIsHtmlView = (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 ))
}
 
- Protected Types inherited from TGFrame
enum  { kDeleteWindowCalled = (1ULL << ( 15 )) }
 
- Protected Types inherited from TObject
enum  { kOnlyPrepStep = (1ULL << ( 3 )) }
 
- Static Protected Member Functions inherited from TGFrame
static Time_t GetLastClick ()
 Get time of last mouse click.
 
- 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.
 

#include <TGLabel.h>

Inheritance diagram for TGLabel:
[legend]

Constructor & Destructor Documentation

◆ TGLabel() [1/3]

TGLabel::TGLabel ( const TGLabel )
privatedelete

◆ TGLabel() [2/3]

TGLabel::TGLabel ( const TGWindow p,
TGString text,
GContext_t  norm = GetDefaultGC()(),
FontStruct_t  font = GetDefaultFontStruct(),
UInt_t  options = kChildFrame,
Pixel_t  back = GetDefaultFrameBackground() 
)

Create a label GUI object.

TGLabel will become the owner of the text and will delete it in its dtor.

Definition at line 52 of file TGLabel.cxx.

◆ TGLabel() [3/3]

TGLabel::TGLabel ( const TGWindow p = nullptr,
const char *  text = nullptr,
GContext_t  norm = GetDefaultGC()(),
FontStruct_t  font = GetDefaultFontStruct(),
UInt_t  options = kChildFrame,
Pixel_t  back = GetDefaultFrameBackground() 
)

Create a label GUI object.

Definition at line 93 of file TGLabel.cxx.

◆ ~TGLabel()

TGLabel::~TGLabel ( )
override

Delete label.

Definition at line 134 of file TGLabel.cxx.

Member Function Documentation

◆ ChangeText()

virtual void TGLabel::ChangeText ( const char *  newText)
inlinevirtual

Definition at line 78 of file TGLabel.h.

◆ Class()

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

◆ Class_Name()

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

◆ Class_Version()

static constexpr Version_t TGLabel::Class_Version ( )
inlinestaticconstexpr
Returns
Version of this class

Definition at line 115 of file TGLabel.h.

◆ DeclFileName()

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

Definition at line 115 of file TGLabel.h.

◆ Disable()

virtual void TGLabel::Disable ( Bool_t  on = kTRUE)
inlinevirtual

Definition at line 89 of file TGLabel.h.

◆ DoRedraw()

void TGLabel::DoRedraw ( )
overrideprotectedvirtual

Redraw label widget.

Reimplemented from TGFrame.

Definition at line 201 of file TGLabel.cxx.

◆ DrawText()

void TGLabel::DrawText ( GContext_t  gc,
Int_t  x,
Int_t  y 
)
protectedvirtual

Draw text at position (x, y).

Definition at line 192 of file TGLabel.cxx.

◆ Enable()

virtual void TGLabel::Enable ( )
inlinevirtual

Definition at line 91 of file TGLabel.h.

◆ Get3DStyle()

Int_t TGLabel::Get3DStyle ( ) const
inline

Definition at line 99 of file TGLabel.h.

◆ GetBottomMargin()

Int_t TGLabel::GetBottomMargin ( ) const
inline

Definition at line 106 of file TGLabel.h.

◆ GetDefaultFontStruct()

FontStruct_t TGLabel::GetDefaultFontStruct ( )
static

Static returning label default font struct.

Definition at line 525 of file TGLabel.cxx.

◆ GetDefaultGC()

const TGGC & TGLabel::GetDefaultGC ( )
static

Static returning label default graphics context.

Definition at line 536 of file TGLabel.cxx.

◆ GetDefaultSize()

TGDimension TGLabel::GetDefaultSize ( ) const
overridevirtual

Return default size.

Reimplemented from TGFrame.

Definition at line 168 of file TGLabel.cxx.

◆ GetFont()

TGFont * TGLabel::GetFont ( ) const
inline

Definition at line 110 of file TGLabel.h.

◆ GetFontStruct()

FontStruct_t TGLabel::GetFontStruct ( ) const
inline

Definition at line 109 of file TGLabel.h.

◆ GetLeftMargin()

Int_t TGLabel::GetLeftMargin ( ) const
inline

Definition at line 103 of file TGLabel.h.

◆ GetNormGC()

GContext_t TGLabel::GetNormGC ( ) const
inline

Definition at line 108 of file TGLabel.h.

◆ GetRightMargin()

Int_t TGLabel::GetRightMargin ( ) const
inline

Definition at line 104 of file TGLabel.h.

◆ GetText()

const TGString * TGLabel::GetText ( ) const
inline

Definition at line 74 of file TGLabel.h.

◆ GetTextJustify()

Int_t TGLabel::GetTextJustify ( ) const
inline

Definition at line 82 of file TGLabel.h.

◆ GetTitle()

const char * TGLabel::GetTitle ( ) const
inlineoverridevirtual

Returns title of object.

This default method returns the class title (i.e. description). Classes that give objects a title should override this method.

Reimplemented from TObject.

Definition at line 75 of file TGLabel.h.

◆ GetTopMargin()

Int_t TGLabel::GetTopMargin ( ) const
inline

Definition at line 105 of file TGLabel.h.

◆ GetWrapLength()

Int_t TGLabel::GetWrapLength ( ) const
inline

Definition at line 96 of file TGLabel.h.

◆ HasOwnFont()

Bool_t TGLabel::HasOwnFont ( ) const

Returns kTRUE if text attributes are unique.

Returns kFALSE if text attributes are shared (global).

Definition at line 451 of file TGLabel.cxx.

◆ IsA()

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

Reimplemented from TGFrame.

Definition at line 115 of file TGLabel.h.

◆ IsDisabled()

Bool_t TGLabel::IsDisabled ( ) const
inline

Definition at line 92 of file TGLabel.h.

◆ Layout()

void TGLabel::Layout ( )
overridevirtual

Layout label.

Reimplemented from TGFrame.

Definition at line 156 of file TGLabel.cxx.

◆ operator=()

TGLabel & TGLabel::operator= ( const TGLabel )
privatedelete

◆ SavePrimitive()

void TGLabel::SavePrimitive ( std::ostream &  out,
Option_t option = "" 
)
overridevirtual

Save a label widget as a C++ statement(s) on output stream out.

Reimplemented from TGFrame.

Definition at line 459 of file TGLabel.cxx.

◆ Set3DStyle()

void TGLabel::Set3DStyle ( Int_t  style)
inline

Definition at line 98 of file TGLabel.h.

◆ SetForegroundColor()

void TGLabel::SetForegroundColor ( Pixel_t  fore)
inlineoverridevirtual

Reimplemented from TGFrame.

Definition at line 88 of file TGLabel.h.

◆ SetMargins()

void TGLabel::SetMargins ( Int_t  left = 0,
Int_t  right = 0,
Int_t  top = 0,
Int_t  bottom = 0 
)
inline

Definition at line 101 of file TGLabel.h.

◆ SetText() [1/3]

void TGLabel::SetText ( const char *  newText)
inline

Definition at line 77 of file TGLabel.h.

◆ SetText() [2/3]

void TGLabel::SetText ( Int_t  number)
inline

Definition at line 80 of file TGLabel.h.

◆ SetText() [3/3]

void TGLabel::SetText ( TGString new_text)
virtual

Set new text in label.

After calling this method one needs to call the parents frame's Layout() method to force updating of the label size. The new_text is adopted by the TGLabel and will be properly deleted.

Definition at line 180 of file TGLabel.cxx.

◆ SetTextColor() [1/2]

void TGLabel::SetTextColor ( Pixel_t  color,
Bool_t  global = kFALSE 
)
virtual

Changes text color.

If global is true color is changed globally - otherwise locally.

Definition at line 362 of file TGLabel.cxx.

◆ SetTextColor() [2/2]

void TGLabel::SetTextColor ( TColor color,
Bool_t  global = kFALSE 
)
virtual

Changes text color.

If global is true color is changed globally - otherwise locally.

Definition at line 384 of file TGLabel.cxx.

◆ SetTextFont() [1/3]

void TGLabel::SetTextFont ( const char *  fontName,
Bool_t  global = kFALSE 
)
virtual

Changes text font specified by name.

If global is true font is changed globally - otherwise locally.

Definition at line 308 of file TGLabel.cxx.

◆ SetTextFont() [2/3]

void TGLabel::SetTextFont ( FontStruct_t  fontStruct,
Bool_t  global = kFALSE 
)
virtual

Changes text font.

If global is true font is changed globally - otherwise locally.

Definition at line 292 of file TGLabel.cxx.

◆ SetTextFont() [3/3]

void TGLabel::SetTextFont ( TGFont font,
Bool_t  global = kFALSE 
)
virtual

Changes text font specified by pointer to TGFont object.

If global is true font is changed globally - otherwise locally.

Definition at line 324 of file TGLabel.cxx.

◆ SetTextJustify()

void TGLabel::SetTextJustify ( Int_t  mode)

Set text justification.

Mode is an OR of the bits: kTextTop, kTextBottom, kTextLeft, kTextRight, kTextCenterX and kTextCenterY.

Definition at line 396 of file TGLabel.cxx.

◆ SetTitle()

virtual void TGLabel::SetTitle ( const char *  label)
inlinevirtual

Definition at line 79 of file TGLabel.h.

◆ SetWrapLength()

void TGLabel::SetWrapLength ( Int_t  wl)
inline

Definition at line 95 of file TGLabel.h.

◆ Streamer()

void TGLabel::Streamer ( TBuffer R__b)
overridevirtual

Stream an object of class TObject.

Reimplemented from TGFrame.

◆ StreamerNVirtual()

void TGLabel::StreamerNVirtual ( TBuffer ClassDef_StreamerNVirtual_b)
inline

Definition at line 115 of file TGLabel.h.

Member Data Documentation

◆ f3DStyle

Int_t TGLabel::f3DStyle
protected

3D style (0 - normal, kRaisedFrame - raised, kSunkenFrame - sunken)

Definition at line 35 of file TGLabel.h.

◆ fDisabled

Bool_t TGLabel::fDisabled
protected

if kTRUE label looks disabled (shaded text)

Definition at line 43 of file TGLabel.h.

◆ fFont

TGFont* TGLabel::fFont
protected

font to draw label

Definition at line 40 of file TGLabel.h.

◆ fgDefaultFont

const TGFont * TGLabel::fgDefaultFont = nullptr
staticprotected

Definition at line 48 of file TGLabel.h.

◆ fgDefaultGC

const TGGC * TGLabel::fgDefaultGC = nullptr
staticprotected

Definition at line 49 of file TGLabel.h.

◆ fHasOwnFont

Bool_t TGLabel::fHasOwnFont
protected

kTRUE - font defined locally, kFALSE - globally

Definition at line 42 of file TGLabel.h.

◆ fMBottom

Int_t TGLabel::fMBottom
protected

margin bottom

Definition at line 33 of file TGLabel.h.

◆ fMLeft

Int_t TGLabel::fMLeft
protected

margin left

Definition at line 30 of file TGLabel.h.

◆ fMRight

Int_t TGLabel::fMRight
protected

margin right

Definition at line 31 of file TGLabel.h.

◆ fMTop

Int_t TGLabel::fMTop
protected

margin top

Definition at line 32 of file TGLabel.h.

◆ fNormGC

GContext_t TGLabel::fNormGC
protected

graphics context used for drawing label

Definition at line 39 of file TGLabel.h.

◆ fText

TGString* TGLabel::fText
protected

label text

Definition at line 27 of file TGLabel.h.

◆ fTextChanged

Bool_t TGLabel::fTextChanged
protected

has text changed

Definition at line 38 of file TGLabel.h.

◆ fTFlags

Int_t TGLabel::fTFlags
protected

text flags (see TGFont.h ETextLayoutFlags)

Definition at line 37 of file TGLabel.h.

◆ fTHeight

UInt_t TGLabel::fTHeight
protected

text height

Definition at line 29 of file TGLabel.h.

◆ fTLayout

TGTextLayout* TGLabel::fTLayout
protected

text layout

Definition at line 41 of file TGLabel.h.

◆ fTMode

Int_t TGLabel::fTMode
protected

text alignment

Definition at line 34 of file TGLabel.h.

◆ fTWidth

UInt_t TGLabel::fTWidth
protected

text width

Definition at line 28 of file TGLabel.h.

◆ fWrapLength

Int_t TGLabel::fWrapLength
protected

wrap length

Definition at line 36 of file TGLabel.h.

Libraries for TGLabel:

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