The classes in this file implement scrollbars.

Scrollbars can be either placed horizontal or vertical. A scrollbar contains three

Definition at line 61 of file TGScrollBar.h.

Public Member Functions
	TGScrollBar (const TGWindow p=nullptr, UInt_t w=1, UInt_t h=1, UInt_t options=kChildFrame, Pixel_t back=GetDefaultFrameBackground(), const char headPicName="", const char *tailPicName="")
	Constructor.

	~TGScrollBar () override
	Delete a scrollbar (either horizontal or vertical).

void	ChangeBackground (Pixel_t back) override
	Change background color.

void	DrawBorder () override
	Draw frame border.

TGScrollBarElement *	GetHead () const

virtual Int_t	GetPageSize () const

virtual Int_t	GetPosition () const

virtual Int_t	GetRange () const

TGScrollBarElement *	GetSlider () const

virtual Int_t	GetSmallIncrement ()

TGScrollBarElement *	GetTail () const

void	GrabPointer (Bool_t grab)

Bool_t	HandleButton (Event_t *event) override=0

Bool_t	HandleCrossing (Event_t *event) override
	Handle mouse crossing event.

Bool_t	HandleMotion (Event_t *event) override=0

Bool_t	HandleTimer (TTimer *t) override
	Handle repeat timer for horizontal or vertical scrollbar.

TClass *	IsA () const override

Bool_t	IsAccelerated () const

void	Layout () override=0

void	MapSubwindows () override
	map sub windows

void	MoveResize (Int_t x, Int_t y, UInt_t w=0, UInt_t h=0) override
	Move and/or resize the frame.

virtual void	PageSizeChanged (Int_t range)

virtual void	PositionChanged (Int_t pos)

virtual void	RangeChanged (Int_t range)

void	Resize (TGDimension size) override
	Resize the frame.

void	Resize (UInt_t w=0, UInt_t h=0) override
	Resize the frame.

virtual void	SetAccelerated (Bool_t m=kTRUE)

virtual void	SetDragging (Bool_t drag)

virtual void	SetPosition (Int_t pos)=0

virtual void	SetRange (Int_t range, Int_t page_size)=0

virtual void	SetSmallIncrement (Int_t increment)

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	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.

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

TObject *	DrawClone (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 TGDimension	GetDefaultSize () const
	std::cout << fWidth << "x" << fHeight << std::endl;

virtual UInt_t	GetDefaultWidth () const

virtual TDNDData *	GetDNDData (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.

TGFrameElement *	GetFrameElement () const

virtual TGFrame *	GetFrameFromPoint (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	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	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	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	MapWindow () override
	map window

void	Move (Int_t x, Int_t y) override
	Move 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.

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

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

virtual void	SetForegroundColor (Pixel_t)

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 TGWindow *	GetMainFrame () const
	Returns top level main frame.

const char *	GetName () const override
	Return unique name, used in SavePrimitive methods.

const TGWindow *	GetParent () 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

TClass *	IsA () 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.

TGClient *	GetClient () 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 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 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 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 const char *	GetTitle () const
	Returns title of object.

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)

TObject &	operator= (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.

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)

Public Member Functions inherited from TGWidget
	TGWidget ()

	TGWidget (Int_t id)

virtual	~TGWidget ()

virtual void	Associate (const TGWindow *w)

const char *	GetCommand () const

Bool_t	HasFocus () const

Bool_t	IsEnabled () const

virtual void	SetCommand (const char *command)

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Bool_t	WantFocus () const

Int_t	WidgetId () const

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Pixmap_t	GetBckgndPixmap ()
	Static method returning scrollbar background pixmap.

static Int_t	GetScrollBarWidth ()
	Static method returning the scrollbar width.

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

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static const TGGC &	GetBckgndGC ()
	Get background color graphics context.

static const TGGC &	GetBlackGC ()
	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 TGGC &	GetHilightGC ()
	Get highlight color graphics context.

static const TGGC &	GetShadowGC ()
	Get shadow color graphics context.

static const TGGC &	GetWhiteGC ()
	Get white graphics context.

static Pixel_t	GetWhitePixel ()
	Get white pixel value.

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

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 TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

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.

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

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Protected Attributes
Bool_t	fAccelerated
	kFALSE - normal, kTRUE - accelerated

Pixel_t	fBgndColor
	background color

Bool_t	fDragging
	in dragging mode?

Bool_t	fGrabPointer
	grab pointer when dragging

TGScrollBarElement *	fHead
	head button of scrollbar

const TGPicture *	fHeadPic
	picture in head (up or left arrow)

Pixel_t	fHighColor
	highlight color

Int_t	fPos
	logical current position

Int_t	fPsize
	logical page size of scrollbar

Int_t	fRange
	logical upper range of scrollbar

TTimer *	fRepeat
	repeat rate timer (when mouse stays pressed)

TGScrollBarElement *	fSlider
	slider

Int_t	fSliderRange
	logical slider range

Int_t	fSliderSize
	logical slider size

Int_t	fSmallInc
	Small Increment in the sliding algorithm.

Window_t	fSubw
	sub window in which mouse is pressed

TGScrollBarElement *	fTail
	tail button of scrollbar

const TGPicture *	fTailPic
	picture in tail (down or right arrow)

Int_t	fX0

Int_t	fXp

Int_t	fY0
	current slider position in pixels

Int_t	fYp
	previous slider position in pixels

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

TGFrameElement *	fFE
	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 TGWindow *	fParent
	Parent window.

Protected Attributes inherited from TGObject
TGClient *	fClient
	Connection to display server.

Handle_t	fId
	X11/Win32 Window identifier.

Protected Attributes inherited from TQObject
TList *	fListOfConnections
	list of signals from this object

TList *	fListOfSignals

Bool_t	fSignalsBlocked
	list of connections to this object

Protected Attributes inherited from TGWidget
TString	fCommand
	command to be executed

const TGWindow *	fMsgWindow
	window which handles widget events

Int_t	fWidgetFlags
	widget status flags (OR of EWidgetStatus)

Int_t	fWidgetId
	the widget id (used for event processing)

Static Protected Attributes
static Pixmap_t	fgBckgndPixmap = 0

static Int_t	fgScrollBarWidth = kDefaultScrollBarWidth

Static Protected Attributes inherited from TGFrame
static const TGGC *	fgBckgndGC = nullptr

static const TGGC *	fgBlackGC = 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 TGGC *	fgHilightGC = nullptr

static Bool_t	fgInit = kFALSE

static UInt_t	fgLastButton = 0

static Time_t	fgLastClick = 0

static const TGGC *	fgShadowGC = nullptr

static UInt_t	fgUserColor = 0

static const TGGC *	fgWhiteGC = 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
	TGScrollBar (const TGScrollBar &)=delete

TGScrollBar &	operator= (const TGScrollBar &)=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 )) }

Protected Member Functions inherited from TGFrame
void	DoRedraw () override
	Redraw the frame.

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 TGResourcePool *	GetResourcePool () 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)

TGWindow &	operator= (const TGWindow &tgw)

Protected Member Functions inherited from TGObject
TGObject &	operator= (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 Member Functions inherited from TGWidget
	TGWidget (const TGWidget &tgw)

Int_t	ClearFlags (Int_t flags)

TGWidget &	operator= (const TGWidget &tgw)

Int_t	SetFlags (Int_t flags)

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 <TGScrollBar.h>

Inheritance diagram for TGScrollBar:

[legend]

Constructor & Destructor Documentation

◆ TGScrollBar() [1/2]

TGScrollBar::TGScrollBar ( const TGScrollBar & )

privatedelete

◆ TGScrollBar() [2/2]

TGScrollBar::TGScrollBar	(	const TGWindow *	p = `nullptr`,
		UInt_t	w = `1`,
		UInt_t	h = `1`,
		UInt_t	options = `kChildFrame`,
		Pixel_t	back = `GetDefaultFrameBackground()`,
		const char *	headPicName = `""`,
		const char *	tailPicName = `""`
	)

Constructor.

Parameters

p	The parent window
w	The scrollbar width
h	The scrollbar height
options	A bitmask of options (

See also: EFrameType)

Parameters

back	The background color
headPicName	Filename of the "head" picture (e.g. left arrow for a horizontal scrollbar)
tailPicName	Filename of the "tail" picture (e.g. right arrow for a horizontal scrollbar)

Definition at line 314 of file TGScrollBar.cxx.

◆ ~TGScrollBar()

TGScrollBar::~TGScrollBar ( )

override

Delete a scrollbar (either horizontal or vertical).

Definition at line 362 of file TGScrollBar.cxx.

Member Function Documentation

◆ ChangeBackground()

void TGScrollBar::ChangeBackground ( Pixel_t back )

overridevirtual

Change background color.

Reimplemented from TGFrame.

Definition at line 449 of file TGScrollBar.cxx.

◆ Class()

static TClass * TGScrollBar::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TGScrollBar::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TGScrollBar::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 138 of file TGScrollBar.h.

◆ DeclFileName()

static const char * TGScrollBar::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 138 of file TGScrollBar.h.

◆ DrawBorder()

void TGScrollBar::DrawBorder ( )

inlineoverridevirtual

Draw frame border.

Reimplemented from TGFrame.

Definition at line 104 of file TGScrollBar.h.

◆ GetBckgndPixmap()

Pixmap_t TGScrollBar::GetBckgndPixmap ( )

static

Static method returning scrollbar background pixmap.

Definition at line 428 of file TGScrollBar.cxx.

◆ GetHead()

TGScrollBarElement * TGScrollBar::GetHead ( ) const

inline

Definition at line 127 of file TGScrollBar.h.

◆ GetPageSize()

virtual Int_t TGScrollBar::GetPageSize ( ) const

inlinevirtual

Definition at line 115 of file TGScrollBar.h.

◆ GetPosition()

virtual Int_t TGScrollBar::GetPosition ( ) const

inlinevirtual

Definition at line 114 of file TGScrollBar.h.

◆ GetRange()

virtual Int_t TGScrollBar::GetRange ( ) const

inlinevirtual

Definition at line 116 of file TGScrollBar.h.

◆ GetScrollBarWidth()

Int_t TGScrollBar::GetScrollBarWidth ( )

static

Static method returning the scrollbar width.

Definition at line 441 of file TGScrollBar.cxx.

◆ GetSlider()

TGScrollBarElement * TGScrollBar::GetSlider ( ) const

inline

Definition at line 129 of file TGScrollBar.h.

◆ GetSmallIncrement()

virtual Int_t TGScrollBar::GetSmallIncrement ( )

inlinevirtual

Definition at line 135 of file TGScrollBar.h.

◆ GetTail()

TGScrollBarElement * TGScrollBar::GetTail ( ) const

inline

Definition at line 128 of file TGScrollBar.h.

◆ GrabPointer()

void TGScrollBar::GrabPointer ( Bool_t grab )

inline

Definition at line 102 of file TGScrollBar.h.

◆ HandleButton()

Bool_t TGScrollBar::HandleButton ( Event_t * event )

overridepure virtual

Reimplemented from TGFrame.

Implemented in TGHScrollBar, and TGVScrollBar.

◆ HandleCrossing()

Bool_t TGScrollBar::HandleCrossing ( Event_t * event )

overridevirtual

Handle mouse crossing event.

Reimplemented from TGFrame.

Definition at line 375 of file TGScrollBar.cxx.

◆ HandleMotion()

Bool_t TGScrollBar::HandleMotion ( Event_t * event )

overridepure virtual

Reimplemented from TGFrame.

Implemented in TGHScrollBar, and TGVScrollBar.

◆ HandleTimer()

Bool_t TGScrollBar::HandleTimer ( TTimer * t )

overridevirtual

Handle repeat timer for horizontal or vertical scrollbar.

Every time timer times out we move slider.

Reimplemented from TObject.

Definition at line 400 of file TGScrollBar.cxx.

◆ IsA()

TClass * TGScrollBar::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TGFrame.

Reimplemented in TGVScrollBar.

Definition at line 138 of file TGScrollBar.h.

◆ IsAccelerated()

Bool_t TGScrollBar::IsAccelerated ( ) const

inline

Definition at line 124 of file TGScrollBar.h.

◆ Layout()

void TGScrollBar::Layout ( )

overridepure virtual

Reimplemented from TGFrame.

Implemented in TGHScrollBar, and TGVScrollBar.

◆ MapSubwindows()

void TGScrollBar::MapSubwindows ( )

inlineoverridevirtual

map sub windows

Reimplemented from TGFrame.

Definition at line 126 of file TGScrollBar.h.

◆ MoveResize()

void TGScrollBar::MoveResize	(	Int_t	x,
		Int_t	y,
		UInt_t	w = `0`,
		UInt_t	h = `0`
	)

inlineoverridevirtual

Move and/or resize the frame.

If w=0 && h=0 - Resize to default size

Reimplemented from TGFrame.

Definition at line 119 of file TGScrollBar.h.

◆ operator=()

TGScrollBar & TGScrollBar::operator= ( const TGScrollBar & )

privatedelete

◆ PageSizeChanged()

virtual void TGScrollBar::PageSizeChanged ( Int_t range )

inlinevirtual

Definition at line 133 of file TGScrollBar.h.

◆ PositionChanged()

virtual void TGScrollBar::PositionChanged ( Int_t pos )

inlinevirtual

Definition at line 131 of file TGScrollBar.h.

◆ RangeChanged()

virtual void TGScrollBar::RangeChanged ( Int_t range )

inlinevirtual

Definition at line 132 of file TGScrollBar.h.

◆ Resize() [1/2]

void TGScrollBar::Resize ( TGDimension size )

inlineoverridevirtual

Resize the frame.

Reimplemented from TGFrame.

Definition at line 121 of file TGScrollBar.h.

◆ Resize() [2/2]

void TGScrollBar::Resize	(	UInt_t	w = `0`,
		UInt_t	h = `0`
	)

inlineoverridevirtual

Resize the frame.

If w=0 && h=0 - Resize to default size

Reimplemented from TGFrame.

Definition at line 117 of file TGScrollBar.h.

◆ SetAccelerated()

virtual void TGScrollBar::SetAccelerated ( Bool_t m = kTRUE )

inlinevirtual

Definition at line 123 of file TGScrollBar.h.

◆ SetDragging()

virtual void TGScrollBar::SetDragging ( Bool_t drag )

inlinevirtual

Definition at line 111 of file TGScrollBar.h.

◆ SetPosition()

virtual void TGScrollBar::SetPosition ( Int_t pos )

pure virtual

Implemented in TGHScrollBar, and TGVScrollBar.

◆ SetRange()

virtual void TGScrollBar::SetRange	(	Int_t	range,
		Int_t	page_size
	)

pure virtual

Implemented in TGHScrollBar, and TGVScrollBar.

◆ SetSmallIncrement()

virtual void TGScrollBar::SetSmallIncrement ( Int_t increment )

inlinevirtual

Definition at line 136 of file TGScrollBar.h.

◆ Streamer()

void TGScrollBar::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TGFrame.

Reimplemented in TGVScrollBar.

◆ StreamerNVirtual()

void TGScrollBar::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 138 of file TGScrollBar.h.

Member Data Documentation

◆ fAccelerated

Bool_t TGScrollBar::fAccelerated

protected

kFALSE - normal, kTRUE - accelerated

Definition at line 85 of file TGScrollBar.h.

◆ fBgndColor

Pixel_t TGScrollBar::fBgndColor

protected

background color

Definition at line 86 of file TGScrollBar.h.

◆ fDragging

Bool_t TGScrollBar::fDragging

protected

in dragging mode?

Definition at line 70 of file TGScrollBar.h.

◆ fgBckgndPixmap

Pixmap_t TGScrollBar::fgBckgndPixmap = 0

staticprotected

Definition at line 89 of file TGScrollBar.h.

◆ fGrabPointer

Bool_t TGScrollBar::fGrabPointer

protected

grab pointer when dragging

Definition at line 71 of file TGScrollBar.h.

◆ fgScrollBarWidth

Int_t TGScrollBar::fgScrollBarWidth = kDefaultScrollBarWidth

staticprotected

Definition at line 90 of file TGScrollBar.h.

◆ fHead

TGScrollBarElement* TGScrollBar::fHead

protected

head button of scrollbar

Definition at line 78 of file TGScrollBar.h.

◆ fHeadPic

const TGPicture* TGScrollBar::fHeadPic

protected

picture in head (up or left arrow)

Definition at line 81 of file TGScrollBar.h.

◆ fHighColor

Pixel_t TGScrollBar::fHighColor

protected

highlight color

Definition at line 87 of file TGScrollBar.h.

◆ fPos

Int_t TGScrollBar::fPos

protected

logical current position

Definition at line 74 of file TGScrollBar.h.

◆ fPsize

Int_t TGScrollBar::fPsize

protected

logical page size of scrollbar

Definition at line 73 of file TGScrollBar.h.

◆ fRange

Int_t TGScrollBar::fRange

protected

logical upper range of scrollbar

Definition at line 72 of file TGScrollBar.h.

◆ fRepeat

TTimer* TGScrollBar::fRepeat

protected

repeat rate timer (when mouse stays pressed)

Definition at line 83 of file TGScrollBar.h.

◆ fSlider

TGScrollBarElement* TGScrollBar::fSlider

protected

slider

Definition at line 80 of file TGScrollBar.h.

◆ fSliderRange

Int_t TGScrollBar::fSliderRange

protected

logical slider range

Definition at line 76 of file TGScrollBar.h.

◆ fSliderSize

Int_t TGScrollBar::fSliderSize

protected

logical slider size

Definition at line 75 of file TGScrollBar.h.

◆ fSmallInc

Int_t TGScrollBar::fSmallInc

protected

Small Increment in the sliding algorithm.

Definition at line 77 of file TGScrollBar.h.

◆ fSubw

Window_t TGScrollBar::fSubw

protected

sub window in which mouse is pressed

Definition at line 84 of file TGScrollBar.h.

◆ fTail

TGScrollBarElement* TGScrollBar::fTail

protected

tail button of scrollbar

Definition at line 79 of file TGScrollBar.h.

◆ fTailPic

const TGPicture* TGScrollBar::fTailPic

protected

picture in tail (down or right arrow)

Definition at line 82 of file TGScrollBar.h.

◆ fX0

Int_t TGScrollBar::fX0

protected

Definition at line 68 of file TGScrollBar.h.

◆ fXp

Int_t TGScrollBar::fXp

protected

Definition at line 69 of file TGScrollBar.h.

◆ fY0

Int_t TGScrollBar::fY0

protected

current slider position in pixels

Definition at line 68 of file TGScrollBar.h.

◆ fYp

Int_t TGScrollBar::fYp

protected

previous slider position in pixels

Definition at line 69 of file TGScrollBar.h.

Libraries for TGScrollBar:

[legend]

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

gui/gui/inc/TGScrollBar.h
gui/gui/src/TGScrollBar.cxx

Public Member Functions

Static Public Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TGScrollBar() [1/2]

◆ TGScrollBar() [2/2]

◆ ~TGScrollBar()

Member Function Documentation

◆ ChangeBackground()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ DeclFileName()

◆ DrawBorder()

◆ GetBckgndPixmap()

◆ GetHead()

◆ GetPageSize()

◆ GetPosition()

◆ GetRange()

◆ GetScrollBarWidth()

◆ GetSlider()

◆ GetSmallIncrement()

◆ GetTail()

◆ GrabPointer()

◆ HandleButton()

◆ HandleCrossing()

◆ HandleMotion()

◆ HandleTimer()

◆ IsA()

◆ IsAccelerated()

◆ Layout()

◆ MapSubwindows()

◆ MoveResize()

◆ operator=()

◆ PageSizeChanged()

◆ PositionChanged()

◆ RangeChanged()

◆ Resize() [1/2]

◆ Resize() [2/2]

◆ SetAccelerated()

◆ SetDragging()

◆ SetPosition()

◆ SetRange()

◆ SetSmallIncrement()

◆ Streamer()

◆ StreamerNVirtual()

Member Data Documentation

◆ fAccelerated

◆ fBgndColor

◆ fDragging

◆ fgBckgndPixmap

◆ fGrabPointer

◆ fgScrollBarWidth

◆ fHead

◆ fHeadPic

◆ fHighColor

◆ fPos

◆ fPsize

◆ fRange

◆ fRepeat

◆ fSlider

◆ fSliderRange

◆ fSliderSize

◆ fSmallInc

◆ fSubw

◆ fTail

◆ fTailPic

◆ fX0

◆ fXp

◆ fY0

◆ fYp