A TGTextView is a text viewer widget.

It is a specialization of TGView. It uses the TGText class (which contains all text manipulation code, i.e. loading a file in memory, changing, removing lines, etc.). Use a TGTextView to view non-editable text. For supported messages see TGView.

Definition at line 22 of file TGTextView.h.

Public Member Functions
	TGTextView (const TGWindow parent, UInt_t w, UInt_t h, const char string, Int_t id=-1, UInt_t sboptions=0, Pixel_t back=GetWhitePixel())
	Create a text view widget.

	TGTextView (const TGWindow parent, UInt_t w, UInt_t h, TGText text, Int_t id=-1, UInt_t sboptions=0, Pixel_t back=GetWhitePixel())
	Create a text view widget.

	TGTextView (const TGWindow *parent=nullptr, UInt_t w=1, UInt_t h=1, Int_t id=-1, UInt_t sboptions=0, Pixel_t back=GetWhitePixel())
	Create a text view widget.

	~TGTextView () override
	Cleanup text view widget.

virtual void	AddLine (const char *string)
	Add a line of text to the view widget.

virtual void	AddLineFast (const char *string)
	Add a line of text to the view widget.

virtual void	AddText (TGText *text)
	Add text to the view widget.

virtual void	AdjustWidth ()
	Adjust widget width to longest line.

void	Clear (Option_t *="") override
	Clear text view widget.

virtual void	Clicked (const char *word)

virtual Bool_t	Copy ()
	Copy selected text to clipboard.

virtual void	DataChanged ()

virtual void	DataDropped (const char *fname)

virtual void	DoubleClicked (const char *word)

TGText *	GetText () const

Bool_t	HandleButton (Event_t *event) override
	Handle mouse button event in text editor.

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

Bool_t	HandleDNDDrop (TDNDData *data) override
	Handle Drop event.

Atom_t	HandleDNDEnter (Atom_t *typelist) override
	Handle Drag Enter event.

Bool_t	HandleDNDLeave () override
	Handle Drag Leave event.

Atom_t	HandleDNDPosition (Int_t x, Int_t y, Atom_t action, Int_t xroot, Int_t yroot) override
	Handle Drag position event.

Bool_t	HandleDoubleClick (Event_t *event) override
	handle double click

Bool_t	HandleMotion (Event_t *event) override
	Handle mouse motion event in the text editor widget.

Bool_t	HandleSelectionClear (Event_t *event) override
	Handle selection clear event.

Bool_t	HandleSelectionRequest (Event_t *event) override
	Handle request to send current clipboard contents to requestor window.

Bool_t	HandleTimer (TTimer *t) override
	Handle scroll timer.

TClass *	IsA () const override

Bool_t	IsMarked () const

Bool_t	IsReadOnly () const

virtual Bool_t	IsSaved ()

void	Layout () override
	Layout the components of view.

virtual Bool_t	LoadBuffer (const char *txtbuf)
	Load text from a text buffer. Return false in case of failure.

virtual Bool_t	LoadFile (const char *fname, long startpos=0, long length=-1)
	Load a file in the text view widget.

virtual void	Marked (Bool_t mark)

virtual Long_t	ReturnHeighestColHeight ()

virtual Long_t	ReturnLineCount ()

virtual Long_t	ReturnLineLength (Long_t line)

virtual Long_t	ReturnLongestLine ()

virtual Long_t	ReturnLongestLineWidth ()
	Return width of longest line.

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

virtual Bool_t	Search (const char *string, Bool_t direction, Bool_t caseSensitive)
	Search for string in text.

virtual Bool_t	SelectAll ()
	Select all text in the viewer.

virtual void	SetBackground (Pixel_t p)
	set background color

virtual void	SetFont (FontStruct_t font)
	Changes text entry font.

void	SetForegroundColor (Pixel_t) override
	Set text color.

virtual void	SetHsbPosition (Long_t newPos)
	Set position of horizontal scrollbar.

virtual void	SetReadOnly (Bool_t on=kTRUE)

virtual void	SetSBRange (Int_t direction)
	Set the range for the kVertical or kHorizontal scrollbar.

virtual void	SetSelectBack (Pixel_t p)
	set selected text background color

virtual void	SetSelectFore (Pixel_t p)
	set selected text color

virtual void	SetText (TGText *text)
	Adopt a new text buffer. The text will be deleted by this object.

virtual void	SetVsbPosition (Long_t newPos)
	Set position of vertical scrollbar.

virtual void	ShowBottom ()
	Show bottom of the page.

virtual void	ShowTop ()
	Show top of the page.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual Long_t	ToObjXCoord (Long_t xCoord, Long_t line)
	Convert x screen coordinate to column in specified line.

virtual Long_t	ToObjYCoord (Long_t yCoord)
	Convert y screen coordinate to line number.

virtual Long_t	ToScrXCoord (Long_t xCoord, Long_t line)
	Convert column number in specified line to screen coordinate.

virtual Long_t	ToScrYCoord (Long_t yCoord)
	Convert line number to screen coordinate.

virtual void	Update ()
	update the whole window of text view

Public Member Functions inherited from TGView
	TGView (const TGWindow *p=nullptr, UInt_t w=1, UInt_t h=1, Int_t id=-1, UInt_t xMargin=0, UInt_t yMargin=0, UInt_t options=kSunkenFrame\|kDoubleBorder, UInt_t sboptions=0, Pixel_t back=GetWhitePixel())
	Create an editor view, containing an TGEditorFrame and (optionally) a horizontal and vertical scrollbar.

	~TGView () override
	Delete view.

void	ChangeBackground (Pixel_t) override
	Change background color of the canvas frame.

void	Clear (Option_t *="") override
	Clear view.

void	DrawBorder () override
	Draw the border of the text edit widget.

TGViewFrame *	GetCanvas () const

TGDimension	GetDefaultSize () const override
	std::cout << fWidth << "x" << fHeight << std::endl;

TGLongPosition	GetScrollPosition () const

TGLongPosition	GetScrollValue () const

const TGGC &	GetViewWhiteGC ()

TGDimension	GetVirtualSize () const

Bool_t	HandleButton (Event_t *event) override
	handle button

Bool_t	HandleExpose (Event_t *event) override
	Handle expose events.

TClass *	IsA () const override

void	Layout () override
	layout view

Bool_t	ProcessMessage (Longptr_t msg, Longptr_t parm1, Longptr_t parm2) override
	Process scrollbar messages.

virtual void	ScrollCanvas (Int_t newTop, Int_t direction)
	Scroll the canvas to new_top in the kVertical or kHorizontal direction.

void	ScrollDown (Int_t pixels)

void	ScrollLeft (Int_t pixels)

void	ScrollRight (Int_t pixels)

virtual void	ScrollToPosition (TGLongPosition newPos)
	Scroll the canvas to pos.

void	ScrollUp (Int_t pixels)

void	SetBackgroundColor (Pixel_t) override
	Set background color of the canvas frame.

void	SetBackgroundPixmap (Pixmap_t p) override
	Set backgound pixmap.

void	SetLayoutManager (TGLayoutManager *) override
	Set the layout manager for the composite frame.

virtual void	SetVisibleStart (Int_t newTop, Int_t direction)
	Scroll view in specified direction to make newTop the visible location.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

TGLongPosition	ToPhysical (TGLongPosition coord) const

TGLongPosition	ToVirtual (TGLongPosition coord) const

virtual void	UpdateBackgroundStart ()
	set some gc values

Public Member Functions inherited from TGCompositeFrame
	TGCompositeFrame (const TGWindow *p=nullptr, UInt_t w=1, UInt_t h=1, UInt_t options=0, Pixel_t back=GetDefaultFrameBackground())
	Create a composite frame.

	TGCompositeFrame (TGClient c, Window_t id, const TGWindow parent=nullptr)
	Create a frame using an externally created window.

	~TGCompositeFrame () override
	Delete a composite frame.

virtual void	AddFrame (TGFrame f, TGLayoutHints l=nullptr)
	Add frame to the composite frame using the specified layout hints.

void	ChangeOptions (UInt_t options) override
	Change composite frame options. Options is an OR of the EFrameTypes.

virtual void	ChangeSubframesBackground (Pixel_t back)
	Change background color for this frame and all subframes.

virtual void	Cleanup ()
	Cleanup and delete all objects contained in this composite frame.

virtual TGFrameElement *	FindFrameElement (TGFrame *f) const
	Find frame-element holding frame f.

UInt_t	GetDefaultHeight () const override

UInt_t	GetDefaultWidth () const override

TGFrame *	GetFrameFromPoint (Int_t x, Int_t y) override
	Get frame located at specified point.

virtual TGLayoutManager *	GetLayoutManager () const

virtual TList *	GetList () const

Int_t	GetState (TGFrame *f) const
	Get state of sub frame.

Bool_t	HandleDragDrop (TGFrame frame, Int_t x, Int_t y, TGLayoutHints lo) override
	Handle drop event.

Bool_t	HandleDragEnter (TGFrame *) override
	Handle drag enter event.

Bool_t	HandleDragLeave (TGFrame *) override
	Handle drag leave event.

Bool_t	HandleDragMotion (TGFrame *) override
	Handle drag motion event.

Bool_t	HandleFocusChange (Event_t *) override

Bool_t	HandleKey (Event_t *) override

Bool_t	HandleSelection (Event_t *) override

virtual void	HideFrame (TGFrame *f)
	Hide sub frame.

Bool_t	IsArranged (TGFrame *f) const
	Get state of sub frame.

Bool_t	IsArranged (TGFrameElement *ptr) const

Bool_t	IsComposite () const override

Bool_t	IsEditable () const override
	Return kTRUE if frame is being edited.

Bool_t	IsLayoutBroken () const override

Bool_t	IsMapSubwindows () const override

Bool_t	IsVisible (TGFrame *f) const
	Get state of sub frame.

Bool_t	IsVisible (TGFrameElement *ptr) const

void	MapSubwindows () override
	Map all sub windows that are part of the composite frame.

Int_t	MustCleanup () const override

void	Print (Option_t *option="") const override
	Print all frames in this composite frame.

virtual void	RemoveAll ()
	Remove all frames from composite frame.

virtual void	RemoveFrame (TGFrame *f)
	Remove frame from composite frame.

virtual void	SavePrimitiveSubframes (std::ostream &out, Option_t *option="")
	Auxiliary protected method used to save subframes.

void	SetCleanup (Int_t mode=kLocalCleanup) override
	Turn on automatic cleanup of child frames in dtor.

void	SetEditable (Bool_t on=kTRUE) override
	Switch ON/OFF edit mode.

void	SetEditDisabled (UInt_t on=1) override
	Set edit disable flag for this frame and subframes.

void	SetLayoutBroken (Bool_t on=kTRUE) override
	Set broken layout. No Layout method is called.

void	SetMapSubwindows (Bool_t on) override

virtual void	ShowFrame (TGFrame *f)
	Show sub frame.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual Bool_t	TranslateCoordinates (TGFrame *child, Int_t x, Int_t y, Int_t &fx, Int_t &fy)
	Translate coordinates to child frame.

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.

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 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

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	HandleDNDFinished ()

Bool_t	HandleEvent (Event_t *event) override
	Handle all frame events.

void	Inspect () const override
	Dump contents of this object in a graphics canvas.

virtual Bool_t	IsActive () const

Bool_t	IsDNDSource () const

Bool_t	IsDNDTarget () const

Bool_t	IsEditable () const override

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 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	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	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	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 void	LowerWindow ()
	lower window

void	Print (Option_t *option="") const override
	Print window id.

virtual void	RaiseWindow ()
	raise window

virtual void	RequestFocus ()
	request focus

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 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 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 Public Member Functions inherited from TGView
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

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

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

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 Member Functions
void	Copy (TObject &) const override
	Copy this to obj.

void	DrawRegion (Int_t x, Int_t y, UInt_t w, UInt_t h) override
	Draw lines in exposed region.

virtual void	HLayout ()
	Horizontal layout of widgets (canvas, scrollbar).

void	Init (Pixel_t bg)
	Initialize a text view widget.

virtual void	Mark (Long_t xPos, Long_t yPos)
	Mark a text region from xPos to yPos.

virtual void	UnMark ()
	Clear marked region.

virtual void	VLayout ()
	Vertical layout of widgets (canvas, scrollbar).

Protected Member Functions inherited from TGView
void	DoRedraw () override
	redraw

virtual Bool_t	ItemLayout ()

virtual void	UpdateRegion (Int_t x, Int_t y, UInt_t w, UInt_t h)
	update a part of view

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 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
static FontStruct_t	GetDefaultFontStruct ()
	Return default font structure in use.

static const TGGC &	GetDefaultGC ()
	Return default graphics context in use.

static const TGGC &	GetDefaultSelectedBackgroundGC ()
	Return graphics context for highlighted frame background.

static const TGGC &	GetDefaultSelectedGC ()
	Return selection graphics context in use.

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.

Protected Attributes
TGText *	fClipText
	clipboard text buffer

Atom_t *	fDNDTypeList
	handles DND types

FontStruct_t	fFont
	text font

Bool_t	fIsMarked
	true if text is marked/selected

Bool_t	fIsMarking
	true if in marking mode

Bool_t	fIsSaved
	true is content is saved

TGLongPosition	fMarkedEnd
	end position of marked text

Bool_t	fMarkedFromX
	true if text is marked from x

Bool_t	fMarkedFromY
	true if text is marker from y

TGLongPosition	fMarkedStart
	start position of marked text

Int_t	fMaxAscent
	maximum ascent in font

Int_t	fMaxDescent
	maximum descent in font

Int_t	fMaxWidth
	maximum width of character in font

TGGC	fNormGC
	graphics context for drawing text

Bool_t	fReadOnly
	text cannot be edited

TViewTimer *	fScrollTimer
	scrollbar timer

TGGC	fSelbackGC
	graphics context for drawing marked background

TGGC	fSelGC
	graphics context for drawing marked text

TGText *	fText
	text buffer

Protected Attributes inherited from TGView
TGViewFrame *	fCanvas
	frame containing the text

Atom_t	fClipboard
	clipboard property

TGRectangle	fExposedRegion
	exposed area

TGHScrollBar *	fHsb
	horizontal scrollbar

TGLongPosition	fMousePos
	position of mouse

Int_t	fScrolling
	scrolling direction

TGLongPosition	fScrollVal
	scroll value

TGDimension	fVirtualSize
	the current virtual window size

TGLongPosition	fVisible
	position of visible region

TGVScrollBar *	fVsb
	vertical scrollbar

TGGC	fWhiteGC
	graphics context used for scrolling generates GraphicsExposure events

UInt_t	fXMargin
	x margin

UInt_t	fYMargin
	y margin

Protected Attributes inherited from TGCompositeFrame
Bool_t	fLayoutBroken
	no layout manager is used

TGLayoutManager *	fLayoutManager
	layout manager

TList *	fList
	container of frame elements

Bool_t	fMapSubwindows
	kTRUE - map subwindows

Int_t	fMustCleanup
	cleanup mode (see EFrameCleanup)

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 const TGFont *	fgDefaultFont = nullptr

static TGGC *	fgDefaultGC = nullptr

static const TGGC *	fgDefaultSelectedBackgroundGC = nullptr

static TGGC *	fgDefaultSelectedGC = nullptr

Static Protected Attributes inherited from TGCompositeFrame
static TGLayoutHints *	fgDefaultHints = nullptr

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
	TGTextView (const TGTextView &)=delete

TGTextView &	operator= (const TGTextView &)=delete

Additional Inherited Members
Public Types inherited from TGView
enum	{ kNoHSB = (1ULL << ( 0 )) , kNoVSB = (1ULL << ( 1 )) }

enum	{ kHorizontal = 0 , kVertical = 1 }

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 )) }

#include <TGTextView.h>

Inheritance diagram for TGTextView:

[legend]

Constructor & Destructor Documentation

◆ TGTextView() [1/4]

TGTextView::TGTextView ( const TGTextView & )

privatedelete

◆ TGTextView() [2/4]

TGTextView::TGTextView	(	const TGWindow *	parent = `nullptr`,
		UInt_t	w = `1`,
		UInt_t	h = `1`,
		Int_t	id = `-1`,
		UInt_t	sboptions = `0`,
		Pixel_t	back = `GetWhitePixel()`
	)

Create a text view widget.

Definition at line 118 of file TGTextView.cxx.

◆ TGTextView() [3/4]

TGTextView::TGTextView	(	const TGWindow *	parent,
		UInt_t	w,
		UInt_t	h,
		TGText *	text,
		Int_t	id = `-1`,
		UInt_t	sboptions = `0`,
		Pixel_t	back = `GetWhitePixel()`
	)

Create a text view widget.

Definition at line 128 of file TGTextView.cxx.

◆ TGTextView() [4/4]

TGTextView::TGTextView	(	const TGWindow *	parent,
		UInt_t	w,
		UInt_t	h,
		const char *	string,
		Int_t	id = `-1`,
		UInt_t	sboptions = `0`,
		Pixel_t	back = `GetWhitePixel()`
	)

Create a text view widget.

Definition at line 144 of file TGTextView.cxx.

◆ ~TGTextView()

TGTextView::~TGTextView ( )

override

Cleanup text view widget.

Definition at line 158 of file TGTextView.cxx.

Member Function Documentation

◆ AddLine()

void TGTextView::AddLine ( const char * string )

virtual

Add a line of text to the view widget.

Definition at line 229 of file TGTextView.cxx.

◆ AddLineFast()

void TGTextView::AddLineFast ( const char * string )

virtual

Add a line of text to the view widget.

Fast version. Use it if you are going to add several lines, than call Update().

Definition at line 251 of file TGTextView.cxx.

◆ AddText()

void TGTextView::AddText ( TGText * text )

virtual

Add text to the view widget.

Definition at line 208 of file TGTextView.cxx.

◆ AdjustWidth()

void TGTextView::AdjustWidth ( )

virtual

Adjust widget width to longest line.

Definition at line 1312 of file TGTextView.cxx.

◆ Class()

static TClass * TGTextView::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TGTextView::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TGTextView::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 141 of file TGTextView.h.

◆ Clear()

void TGTextView::Clear ( Option_t * = "" )

overridevirtual

Clear text view widget.

Reimplemented from TObject.

Definition at line 430 of file TGTextView.cxx.

◆ Clicked()

virtual void TGTextView::Clicked ( const char * word )

inlinevirtual

Definition at line 138 of file TGTextView.h.

◆ Copy() [1/2]

Bool_t TGTextView::Copy ( )

virtual

Copy selected text to clipboard.

Reimplemented in TGTextEdit.

Definition at line 486 of file TGTextView.cxx.

◆ Copy() [2/2]

void TGTextView::Copy ( TObject & object ) const

inlineoverrideprotectedvirtual

Copy this to obj.

Reimplemented from TObject.

Definition at line 54 of file TGTextView.h.

◆ DataChanged()

virtual void TGTextView::DataChanged ( )

inlinevirtual

Definition at line 135 of file TGTextView.h.

◆ DataDropped()

virtual void TGTextView::DataDropped ( const char * fname )

inlinevirtual

Definition at line 136 of file TGTextView.h.

◆ DeclFileName()

static const char * TGTextView::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 141 of file TGTextView.h.

◆ DoubleClicked()

virtual void TGTextView::DoubleClicked ( const char * word )

inlinevirtual

Definition at line 139 of file TGTextView.h.

◆ DrawRegion()

void TGTextView::DrawRegion	(	Int_t	x,
		Int_t	y,
		UInt_t	w,
		UInt_t	h
	)

overrideprotectedvirtual

Draw lines in exposed region.

Reimplemented from TGView.

Definition at line 539 of file TGTextView.cxx.

◆ GetDefaultFontStruct()

FontStruct_t TGTextView::GetDefaultFontStruct ( )

staticprotected

Return default font structure in use.

Definition at line 1480 of file TGTextView.cxx.

◆ GetDefaultGC()

const TGGC & TGTextView::GetDefaultGC ( )

staticprotected

Return default graphics context in use.

Definition at line 1526 of file TGTextView.cxx.

◆ GetDefaultSelectedBackgroundGC()

const TGGC & TGTextView::GetDefaultSelectedBackgroundGC ( )

staticprotected

Return graphics context for highlighted frame background.

Definition at line 1550 of file TGTextView.cxx.

◆ GetDefaultSelectedGC()

const TGGC & TGTextView::GetDefaultSelectedGC ( )

staticprotected

Return selection graphics context in use.

Definition at line 1538 of file TGTextView.cxx.

◆ GetText()

TGText * TGTextView::GetText ( ) const

inline

Definition at line 115 of file TGTextView.h.

◆ HandleButton()

Bool_t TGTextView::HandleButton ( Event_t * event )

overridevirtual

Handle mouse button event in text editor.

Reimplemented from TGCompositeFrame.

Definition at line 824 of file TGTextView.cxx.

◆ HandleCrossing()

Bool_t TGTextView::HandleCrossing ( Event_t * event )

overridevirtual

Handle mouse crossing event.

Reimplemented from TGCompositeFrame.

Definition at line 674 of file TGTextView.cxx.

◆ HandleDNDDrop()

Bool_t TGTextView::HandleDNDDrop ( TDNDData * data )

overridevirtual

Handle Drop event.

Reimplemented from TGFrame.

Definition at line 1087 of file TGTextView.cxx.

◆ HandleDNDEnter()

Atom_t TGTextView::HandleDNDEnter ( Atom_t * typelist )

overridevirtual

Handle Drag Enter event.

Reimplemented from TGFrame.

Definition at line 1145 of file TGTextView.cxx.

◆ HandleDNDLeave()

Bool_t TGTextView::HandleDNDLeave ( )

overridevirtual

Handle Drag Leave event.

Reimplemented from TGFrame.

Definition at line 1162 of file TGTextView.cxx.

◆ HandleDNDPosition()

Atom_t TGTextView::HandleDNDPosition	(	Int_t	x,
		Int_t	y,
		Atom_t	action,
		Int_t	xroot,
		Int_t	yroot
	)

overridevirtual

Handle Drag position event.

Reimplemented from TGFrame.

Definition at line 1136 of file TGTextView.cxx.

◆ HandleDoubleClick()

Bool_t TGTextView::HandleDoubleClick ( Event_t * event )

overridevirtual

handle double click

Reimplemented from TGCompositeFrame.

Definition at line 902 of file TGTextView.cxx.

◆ HandleMotion()

Bool_t TGTextView::HandleMotion ( Event_t * event )

overridevirtual

Handle mouse motion event in the text editor widget.

Reimplemented from TGCompositeFrame.

Definition at line 910 of file TGTextView.cxx.

◆ HandleSelectionClear()

Bool_t TGTextView::HandleSelectionClear ( Event_t * event )

overridevirtual

Handle selection clear event.

Reimplemented from TGFrame.

Definition at line 956 of file TGTextView.cxx.

◆ HandleSelectionRequest()

Bool_t TGTextView::HandleSelectionRequest ( Event_t * event )

overridevirtual

Handle request to send current clipboard contents to requestor window.

Reimplemented from TGFrame.

Definition at line 967 of file TGTextView.cxx.

◆ HandleTimer()

Bool_t TGTextView::HandleTimer ( TTimer * t )

overridevirtual

Handle scroll timer.

Reimplemented from TObject.

Definition at line 719 of file TGTextView.cxx.

◆ HLayout()

void TGTextView::HLayout ( )

protectedvirtual

Horizontal layout of widgets (canvas, scrollbar).

Definition at line 1338 of file TGTextView.cxx.

◆ Init()

void TGTextView::Init ( Pixel_t bg )

protected

Initialize a text view widget.

Definition at line 73 of file TGTextView.cxx.

◆ IsA()

TClass * TGTextView::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TGCompositeFrame.

Reimplemented in TGTextViewostream.

Definition at line 141 of file TGTextView.h.

◆ IsMarked()

Bool_t TGTextView::IsMarked ( ) const

inline

Definition at line 119 of file TGTextView.h.

◆ IsReadOnly()

Bool_t TGTextView::IsReadOnly ( ) const

inline

Definition at line 118 of file TGTextView.h.

◆ IsSaved()

virtual Bool_t TGTextView::IsSaved ( )

inlinevirtual

Definition at line 77 of file TGTextView.h.

◆ Layout()

void TGTextView::Layout ( )

overridevirtual

Layout the components of view.

Reimplemented from TGCompositeFrame.

Definition at line 1329 of file TGTextView.cxx.

◆ LoadBuffer()

Bool_t TGTextView::LoadBuffer ( const char * txtbuf )

virtual

Load text from a text buffer. Return false in case of failure.

Definition at line 471 of file TGTextView.cxx.

◆ LoadFile()

Bool_t TGTextView::LoadFile	(	const char *	filename,
		long	startpos = `0`,
		long	length = `-1`
	)

virtual

Load a file in the text view widget.

Return false in case file does not exist.

Definition at line 454 of file TGTextView.cxx.

◆ Mark()

void TGTextView::Mark	(	Long_t	xPos,
		Long_t	yPos
	)

protectedvirtual

Mark a text region from xPos to yPos.

Definition at line 1170 of file TGTextView.cxx.

◆ Marked()

virtual void TGTextView::Marked ( Bool_t mark )

inlinevirtual

Definition at line 137 of file TGTextView.h.

◆ operator=()

TGTextView & TGTextView::operator= ( const TGTextView & )

privatedelete

◆ ReturnHeighestColHeight()

virtual Long_t TGTextView::ReturnHeighestColHeight ( )

inlinevirtual

Definition at line 90 of file TGTextView.h.

◆ ReturnLineCount()

virtual Long_t TGTextView::ReturnLineCount ( )

inlinevirtual

Definition at line 94 of file TGTextView.h.

◆ ReturnLineLength()

virtual Long_t TGTextView::ReturnLineLength ( Long_t line )

inlinevirtual

Definition at line 92 of file TGTextView.h.

◆ ReturnLongestLine()

virtual Long_t TGTextView::ReturnLongestLine ( )

inlinevirtual

Definition at line 93 of file TGTextView.h.

◆ ReturnLongestLineWidth()

Long_t TGTextView::ReturnLongestLineWidth ( )

virtual

Return width of longest line.

Reimplemented in TGTextEdit.

Definition at line 272 of file TGTextView.cxx.

◆ SavePrimitive()

void TGTextView::SavePrimitive	(	std::ostream &	out,
		Option_t *	option = `""`
	)

overridevirtual

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

Reimplemented from TGCompositeFrame.

Definition at line 1561 of file TGTextView.cxx.

◆ Search()

Bool_t TGTextView::Search	(	const char *	string,
		Bool_t	direction,
		Bool_t	caseSensitive
	)

virtual

Search for string in text.

If direction is true search forward. Returns true if string is found.

Reimplemented in TGTextEdit.

Definition at line 290 of file TGTextView.cxx.

◆ SelectAll()

Bool_t TGTextView::SelectAll ( )

virtual

Select all text in the viewer.

Definition at line 517 of file TGTextView.cxx.

◆ SetBackground()

void TGTextView::SetBackground ( Pixel_t p )

virtual

set background color

Definition at line 169 of file TGTextView.cxx.

◆ SetFont()

void TGTextView::SetFont ( FontStruct_t font )

virtual

Changes text entry font.

Definition at line 333 of file TGTextView.cxx.

◆ SetForegroundColor()

void TGTextView::SetForegroundColor ( Pixel_t col )

overridevirtual

Set text color.

Reimplemented from TGFrame.

Definition at line 1517 of file TGTextView.cxx.

◆ SetHsbPosition()

void TGTextView::SetHsbPosition ( Long_t newPos )

virtual

Set position of horizontal scrollbar.

Definition at line 1456 of file TGTextView.cxx.

◆ SetReadOnly()

virtual void TGTextView::SetReadOnly ( Bool_t on = kTRUE )

inlinevirtual

Definition at line 117 of file TGTextView.h.

◆ SetSBRange()

void TGTextView::SetSBRange ( Int_t direction )

virtual

Set the range for the kVertical or kHorizontal scrollbar.

Definition at line 1414 of file TGTextView.cxx.

◆ SetSelectBack()

void TGTextView::SetSelectBack ( Pixel_t p )

virtual

set selected text background color

Definition at line 179 of file TGTextView.cxx.

◆ SetSelectFore()

void TGTextView::SetSelectFore ( Pixel_t p )

virtual

set selected text color

Definition at line 188 of file TGTextView.cxx.

◆ SetText()

void TGTextView::SetText ( TGText * text )

virtual

Adopt a new text buffer. The text will be deleted by this object.

Definition at line 197 of file TGTextView.cxx.

◆ SetVsbPosition()

void TGTextView::SetVsbPosition ( Long_t newPos )

virtual

Set position of vertical scrollbar.

Definition at line 1468 of file TGTextView.cxx.

◆ ShowBottom()

void TGTextView::ShowBottom ( )

virtual

Show bottom of the page.

Definition at line 1491 of file TGTextView.cxx.

◆ ShowTop()

void TGTextView::ShowTop ( )

virtual

Show top of the page.

Definition at line 1508 of file TGTextView.cxx.

◆ Streamer()

void TGTextView::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TGCompositeFrame.

Reimplemented in TGTextViewostream.

◆ StreamerNVirtual()

void TGTextView::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 141 of file TGTextView.h.

◆ ToObjXCoord()

Long_t TGTextView::ToObjXCoord	(	Long_t	xCoord,
		Long_t	line
	)

virtual

Convert x screen coordinate to column in specified line.

Definition at line 392 of file TGTextView.cxx.

◆ ToObjYCoord()

Long_t TGTextView::ToObjYCoord ( Long_t yCoord )

virtual

Convert y screen coordinate to line number.

Definition at line 384 of file TGTextView.cxx.

◆ ToScrXCoord()

Long_t TGTextView::ToScrXCoord	(	Long_t	xCoord,
		Long_t	line
	)

virtual

Convert column number in specified line to screen coordinate.

Definition at line 360 of file TGTextView.cxx.

◆ ToScrYCoord()

Long_t TGTextView::ToScrYCoord ( Long_t yCoord )

virtual

Convert line number to screen coordinate.

Definition at line 346 of file TGTextView.cxx.

◆ UnMark()

void TGTextView::UnMark ( )

protectedvirtual

Clear marked region.

Definition at line 1293 of file TGTextView.cxx.

◆ Update()

void TGTextView::Update ( )

virtual

update the whole window of text view

Definition at line 262 of file TGTextView.cxx.

◆ VLayout()

void TGTextView::VLayout ( )

protectedvirtual

Vertical layout of widgets (canvas, scrollbar).

Definition at line 1377 of file TGTextView.cxx.

Member Data Documentation

◆ fClipText

TGText* TGTextView::fClipText

protected

clipboard text buffer

Definition at line 26 of file TGTextView.h.

◆ fDNDTypeList

Atom_t* TGTextView::fDNDTypeList

protected

handles DND types

Definition at line 43 of file TGTextView.h.

◆ fFont

FontStruct_t TGTextView::fFont

protected

text font

Definition at line 27 of file TGTextView.h.

◆ fgDefaultFont

const TGFont * TGTextView::fgDefaultFont = nullptr

staticprotected

Definition at line 45 of file TGTextView.h.

◆ fgDefaultGC

TGGC * TGTextView::fgDefaultGC = nullptr

staticprotected

Definition at line 46 of file TGTextView.h.

◆ fgDefaultSelectedBackgroundGC

const TGGC * TGTextView::fgDefaultSelectedBackgroundGC = nullptr

staticprotected

Definition at line 48 of file TGTextView.h.

◆ fgDefaultSelectedGC

TGGC * TGTextView::fgDefaultSelectedGC = nullptr

staticprotected

Definition at line 47 of file TGTextView.h.

◆ fIsMarked

Bool_t TGTextView::fIsMarked

protected

true if text is marked/selected

Definition at line 36 of file TGTextView.h.

◆ fIsMarking

Bool_t TGTextView::fIsMarking

protected

true if in marking mode

Definition at line 37 of file TGTextView.h.

◆ fIsSaved

Bool_t TGTextView::fIsSaved

protected

true is content is saved

Definition at line 38 of file TGTextView.h.

◆ fMarkedEnd

TGLongPosition TGTextView::fMarkedEnd

protected

end position of marked text

Definition at line 41 of file TGTextView.h.

◆ fMarkedFromX

Bool_t TGTextView::fMarkedFromX

protected

true if text is marked from x

Definition at line 34 of file TGTextView.h.

◆ fMarkedFromY

Bool_t TGTextView::fMarkedFromY

protected

true if text is marker from y

Definition at line 35 of file TGTextView.h.

◆ fMarkedStart

TGLongPosition TGTextView::fMarkedStart

protected

start position of marked text

Definition at line 40 of file TGTextView.h.

◆ fMaxAscent

Int_t TGTextView::fMaxAscent

protected

maximum ascent in font

Definition at line 28 of file TGTextView.h.

◆ fMaxDescent

Int_t TGTextView::fMaxDescent

protected

maximum descent in font

Definition at line 29 of file TGTextView.h.

◆ fMaxWidth

Int_t TGTextView::fMaxWidth

protected

maximum width of character in font

Definition at line 30 of file TGTextView.h.

◆ fNormGC

TGGC TGTextView::fNormGC

protected

graphics context for drawing text

Definition at line 31 of file TGTextView.h.

◆ fReadOnly

Bool_t TGTextView::fReadOnly

protected

text cannot be edited

Definition at line 39 of file TGTextView.h.

◆ fScrollTimer

TViewTimer* TGTextView::fScrollTimer

protected

scrollbar timer

Definition at line 42 of file TGTextView.h.

◆ fSelbackGC

TGGC TGTextView::fSelbackGC

protected

graphics context for drawing marked background

Definition at line 33 of file TGTextView.h.

◆ fSelGC

TGGC TGTextView::fSelGC

protected

graphics context for drawing marked text

Definition at line 32 of file TGTextView.h.

◆ fText

TGText* TGTextView::fText

protected

text buffer

Definition at line 25 of file TGTextView.h.

Libraries for TGTextView:

[legend]

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

gui/gui/inc/TGTextView.h
gui/gui/src/TGTextView.cxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TGTextView() [1/4]

◆ TGTextView() [2/4]

◆ TGTextView() [3/4]

◆ TGTextView() [4/4]

◆ ~TGTextView()

Member Function Documentation

◆ AddLine()

◆ AddLineFast()

◆ AddText()

◆ AdjustWidth()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Clear()

◆ Clicked()

◆ Copy() [1/2]

◆ Copy() [2/2]

◆ DataChanged()

◆ DataDropped()

◆ DeclFileName()

◆ DoubleClicked()

◆ DrawRegion()

◆ GetDefaultFontStruct()

◆ GetDefaultGC()

◆ GetDefaultSelectedBackgroundGC()

◆ GetDefaultSelectedGC()

◆ GetText()

◆ HandleButton()

◆ HandleCrossing()

◆ HandleDNDDrop()

◆ HandleDNDEnter()

◆ HandleDNDLeave()

◆ HandleDNDPosition()

◆ HandleDoubleClick()

◆ HandleMotion()

◆ HandleSelectionClear()

◆ HandleSelectionRequest()

◆ HandleTimer()

◆ HLayout()

◆ Init()

◆ IsA()

◆ IsMarked()

◆ IsReadOnly()

◆ IsSaved()

◆ Layout()

◆ LoadBuffer()

◆ LoadFile()

◆ Mark()

◆ Marked()

◆ operator=()

◆ ReturnHeighestColHeight()

◆ ReturnLineCount()

◆ ReturnLineLength()

◆ ReturnLongestLine()

◆ ReturnLongestLineWidth()

◆ SavePrimitive()

◆ Search()

◆ SelectAll()

◆ SetBackground()

◆ SetFont()

◆ SetForegroundColor()

◆ SetHsbPosition()

◆ SetReadOnly()

◆ SetSBRange()

◆ SetSelectBack()

◆ SetSelectFore()

◆ SetText()

◆ SetVsbPosition()

◆ ShowBottom()

◆ ShowTop()

◆ Streamer()