The TGMenu.h header contains all different menu classes.

The TGMenuBar class implements a menu bar widget. It is used to specify and provide access to common and frequently used application actions grouped under menu titles (TGMenuTitle class). The menu bar takes the highest-level of the menu system and it is a starting point for many interactions. It is always visible and allows using the keyboard equivalents. The geometry of the menu bar is automatically set to the parent widget, i.e. the menu bar automatically resizes itself so that it has the same width as its parent (typically TGMainFrame). A menu bar contains one or more popup menus and usually is placed along the top of the application window. Any popup menu is invisible until the user invokes it by using the mouse pointer or the keyboard.

Popup menus implemented by TGPopupMenu class are unique in that, by convention, they are not placed with the other GUI components in the user interfaces. Instead, a popup menu usually appears either in a menu bar or as a context menu on the TOP of the GUI. For that reason it needs gClient->GetDefaultRoot() as a parent to get the pointer to the root (i.e. desktop) window. This way a popup menu will never be embedded. NOTE: Using gClient->GetRoot() as a parent of TGPopupMenu will not avoid the possibility of embedding the corresponding popup menu because the current window hierarchy can be changed by using gClient->SetRoot() method.

As a context menus TGPopupMenu shows up after pressing the right mouse button, over a popup-enabled component. The popup menu then appears under the mouse pointer.

Selecting a menu item will generate the event: kC_COMMAND, kCM_MENU, menu id, user data.

Definition at line 282 of file TGMenu.h.

Public Member Functions
	TGMenuBar (const TGWindow *p=nullptr, UInt_t w=60, UInt_t h=20, UInt_t options=kHorizontalFrame\|kRaisedFrame)
	Create a menu bar object.

	~TGMenuBar () override
	Delete menu bar object.

virtual void	AddPopup (const char s, TGPopupMenu menu, TGLayoutHints l, TGPopupMenu before=nullptr)
	Add popup menu to menu bar.

virtual TGPopupMenu *	AddPopup (const TString &s, Int_t padleft=4, Int_t padright=0, Int_t padtop=0, Int_t padbottom=0)
	Add popup menu to menu bar.

virtual void	AddPopup (TGHotString s, TGPopupMenu menu, TGLayoutHints l, TGPopupMenu before=nullptr)
	Add popup menu to menu bar.

virtual void	AddTitle (TGMenuTitle title, TGLayoutHints l, TGPopupMenu *before=nullptr)
	Add popup via created before menu title.

virtual TGMenuTitle *	GetCurrent () const

TGFrameElement *	GetLastOnLeft ()
	Returns the last visible menu title on the left of the '>>' in the menu bar.

virtual TGPopupMenu *	GetPopup (const char *s)
	Return popup menu with the specified name.

virtual TList *	GetTitles () const

Bool_t	HandleButton (Event_t *event) override
	Handle a mouse button event in a menubar.

Bool_t	HandleKey (Event_t *event) override
	Handle keyboard events in a menu bar.

Bool_t	HandleMotion (Event_t *event) override
	Handle a mouse motion event in a menu bar.

TClass *	IsA () const override

void	Layout () override
	Calculates whether the >> menu must be shown or not and which menu titles are hidden.

void	PopupConnection ()
	Connects the corresponding cascaded menu to the proper slots, according to the highlighted menu entry in '>>' menu.

virtual TGPopupMenu *	RemovePopup (const char *s)
	Remove popup menu from menu bar.

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

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

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TGHorizontalFrame
	TGHorizontalFrame (const TGWindow *p=nullptr, UInt_t w=1, UInt_t h=1, UInt_t options=kChildFrame, Pixel_t back=GetDefaultFrameBackground())

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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

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

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	HandleCrossing (Event_t *) override

Bool_t	HandleDoubleClick (Event_t *) override

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	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.

Bool_t	ProcessMessage (Longptr_t, Longptr_t, Longptr_t) override

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.

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

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.

virtual void	ChangeBackground (Pixel_t back)
	Change frame background color.

Bool_t	Contains (Int_t x, Int_t y) const

void	Delete (Option_t *="") override
	Delete this object.

virtual void	DeleteWindow ()
	Delete window.

virtual void	DrawBorder ()
	Draw frame border.

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

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	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)

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

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

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	SetBackgroundColor (Pixel_t back) override
	Set background color (override from TGWindow base class).

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	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 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	SetBackgroundPixmap (Pixmap_t pixmap)
	set background pixmap

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)

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 TGHorizontalFrame
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.

Protected Member Functions
virtual void	AddFrameBefore (TGFrame f, TGLayoutHints l=nullptr, TGPopupMenu *before=nullptr)
	Private version of AddFrame for menubar, to make sure that we indeed only add TGMenuTitle objects to it.

virtual void	BindHotKey (Int_t keycode, Bool_t on=kTRUE)
	If on kTRUE bind hot keys, otherwise remove key binding.

virtual void	BindKeys (Bool_t on=kTRUE)
	If on kTRUE bind arrow, popup menu hot keys, otherwise remove key bindings.

void	BindMenu (TGPopupMenu *subMenu, Bool_t on)
	If on kTRUE bind subMenu hot keys, otherwise remove key bindings.

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 Attributes
TGMenuTitle *	fCurrent
	current menu title

Cursor_t	fDefaultCursor
	right pointing cursor

Bool_t	fKeyNavigate
	kTRUE if arrow key navigation is on

TGLayoutHints *	fMenuBarMoreLayout
	layout of the extra menu

TGPopupMenu *	fMenuMore
	extra >> menu

TList *	fNeededSpace
	keeps trace of space needed for hidden menus

TList *	fOutLayouts
	keeps trace of layouts of hidden menus

Bool_t	fStick
	stick mode (popup menu stays sticked on screen)

TList *	fTitles
	list of menu titles

TList *	fTrash
	garbage

Bool_t	fWithExt
	indicates whether the >> menu is shown or not

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

Private Member Functions
	TGMenuBar (const TGMenuBar &)=delete

TGMenuBar &	operator= (const TGMenuBar &)=delete

Friends
class	TGPopupMenu

Additional Inherited Members
Public Types inherited from TGWindow
enum	EEditMode { kEditEnable = 0 , kEditDisable = (1ULL << ( 0 )) , kEditDisableEvents = (1ULL << ( 1 )) , kEditDisableGrab = (1ULL << ( 2 )) , kEditDisableLayout = (1ULL << ( 3 )) , kEditDisableResize = (1ULL << ( 4 )) , kEditDisableHeight = (1ULL << ( 5 )) , kEditDisableWidth = (1ULL << ( 6 )) , kEditDisableBtnEnable = (1ULL << ( 7 )) , kEditDisableKeyEnable = (1ULL << ( 8 )) }

enum	EStatusBits { kIsHtmlView = (1ULL << ( 14 )) }

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Protected Types inherited from TGFrame
enum	{ kDeleteWindowCalled = (1ULL << ( 15 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

Static Protected Member Functions inherited from TGFrame
static Time_t	GetLastClick ()
	Get time of last mouse click.

Static Protected Member Functions inherited from TQObject
static Int_t	CheckConnectArgs (TQObject sender, TClass sender_class, const char signal, TClass receiver_class, const char *slot)
	Checking of consistency of sender/receiver methods/arguments.

static TString	CompressName (const char *method_name)
	Removes "const" words and blanks from full (with prototype) method name and resolve any typedefs in the method signature.

static Bool_t	ConnectToClass (const char sender_class, const char signal, TClass receiver_class, void receiver, const char *slot)
	This method allows to make connection from any object of the same class to the receiver object.

static Bool_t	ConnectToClass (TQObject sender, const char signal, TClass receiver_class, void receiver, const char *slot)
	Create connection between sender and receiver.

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

#include <TGMenu.h>

Inheritance diagram for TGMenuBar:

[legend]

Constructor & Destructor Documentation

◆ TGMenuBar() [1/2]

TGMenuBar::TGMenuBar ( const TGMenuBar & )

privatedelete

◆ TGMenuBar() [2/2]

TGMenuBar::TGMenuBar	(	const TGWindow *	p = `nullptr`,
		UInt_t	w = `60`,
		UInt_t	h = `20`,
		UInt_t	options = `kHorizontalFrame \| kRaisedFrame`
	)

Create a menu bar object.

Definition at line 126 of file TGMenu.cxx.

◆ ~TGMenuBar()

TGMenuBar::~TGMenuBar ( )

override

Delete menu bar object.

Removes also the hot keys from the main frame, so hitting them will not cause the menus to popup.

Definition at line 155 of file TGMenu.cxx.

Member Function Documentation

◆ AddFrameBefore()

void TGMenuBar::AddFrameBefore	(	TGFrame *	f,
		TGLayoutHints *	l = `nullptr`,
		TGPopupMenu *	before = `nullptr`
	)

protectedvirtual

Private version of AddFrame for menubar, to make sure that we indeed only add TGMenuTitle objects to it.

If before is not 0 the menu will be added before it.

Definition at line 503 of file TGMenu.cxx.

◆ AddPopup() [1/3]

void TGMenuBar::AddPopup	(	const char *	s,
		TGPopupMenu *	menu,
		TGLayoutHints *	l,
		TGPopupMenu *	before = `nullptr`
	)

virtual

Add popup menu to menu bar.

If before is not 0 the menu will be added before it.

Definition at line 451 of file TGMenu.cxx.

◆ AddPopup() [2/3]

TGPopupMenu * TGMenuBar::AddPopup	(	const TString &	s,
		Int_t	padleft = `4`,
		Int_t	padright = `0`,
		Int_t	padtop = `0`,
		Int_t	padbottom = `0`
	)

virtual

Add popup menu to menu bar.

Comment: This method is valid only for horizontal menu bars. The most common case is menu bar containing equidistant titles padding left side. TGMenuBar *bar; bar->AddPopup("title1", 10); bar->AddPopup("title2", 10); ...

To add equidistant titles padding right side padleft must be 0. TGMenuBar *bar; bar->AddPopup("title1", 0, 10); bar->AddPopup("title2", 0, 10); ...

This method guarantee automatic cleanup when menu bar is destroyed. Do not delete returned popup-menu

Definition at line 477 of file TGMenu.cxx.

◆ AddPopup() [3/3]

void TGMenuBar::AddPopup	(	TGHotString *	s,
		TGPopupMenu *	menu,
		TGLayoutHints *	l,
		TGPopupMenu *	before = `nullptr`
	)

virtual

Add popup menu to menu bar.

The hot string will be adopted by the menubar (actually the menu title) and deleted when possible. If before is not 0 the menu will be added before it.

Definition at line 418 of file TGMenu.cxx.

◆ AddTitle()

void TGMenuBar::AddTitle	(	TGMenuTitle *	title,
		TGLayoutHints *	l,
		TGPopupMenu *	before = `nullptr`
	)

virtual

Add popup via created before menu title.

Definition at line 435 of file TGMenu.cxx.

◆ BindHotKey()

void TGMenuBar::BindHotKey	(	Int_t	keycode,
		Bool_t	on = `kTRUE`
	)

protectedvirtual

If on kTRUE bind hot keys, otherwise remove key binding.

Definition at line 383 of file TGMenu.cxx.

◆ BindKeys()

void TGMenuBar::BindKeys ( Bool_t on = kTRUE )

protectedvirtual

If on kTRUE bind arrow, popup menu hot keys, otherwise remove key bindings.

Definition at line 337 of file TGMenu.cxx.

◆ BindMenu()

void TGMenuBar::BindMenu	(	TGPopupMenu *	subMenu,
		Bool_t	on
	)

protected

If on kTRUE bind subMenu hot keys, otherwise remove key bindings.

Definition at line 355 of file TGMenu.cxx.

◆ Class()

static TClass * TGMenuBar::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TGMenuBar::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TGMenuBar::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 336 of file TGMenu.h.

◆ DeclFileName()

static const char * TGMenuBar::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 336 of file TGMenu.h.

◆ GetCurrent()

virtual TGMenuTitle * TGMenuBar::GetCurrent ( ) const

inlinevirtual

Definition at line 326 of file TGMenu.h.

◆ GetLastOnLeft()

TGFrameElement * TGMenuBar::GetLastOnLeft ( )

Returns the last visible menu title on the left of the '>>' in the menu bar.

Definition at line 268 of file TGMenu.cxx.

◆ GetPopup()

TGPopupMenu * TGMenuBar::GetPopup ( const char * s )

virtual

Return popup menu with the specified name.

Returns 0 if menu is not found. Returnes menu can be used as "before" in AddPopup(). Don't use hot key (&) in name.

Definition at line 540 of file TGMenu.cxx.

◆ GetTitles()

virtual TList * TGMenuBar::GetTitles ( ) const

inlinevirtual

Definition at line 327 of file TGMenu.h.

◆ HandleButton()

Bool_t TGMenuBar::HandleButton ( Event_t * event )

overridevirtual

Handle a mouse button event in a menubar.

Reimplemented from TGCompositeFrame.

Definition at line 623 of file TGMenu.cxx.

◆ HandleKey()

Bool_t TGMenuBar::HandleKey ( Event_t * event )

overridevirtual

Handle keyboard events in a menu bar.

Reimplemented from TGCompositeFrame.

Definition at line 686 of file TGMenu.cxx.

◆ HandleMotion()

Bool_t TGMenuBar::HandleMotion ( Event_t * event )

overridevirtual

Handle a mouse motion event in a menu bar.

Reimplemented from TGCompositeFrame.

Definition at line 590 of file TGMenu.cxx.

◆ IsA()

TClass * TGMenuBar::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TGHorizontalFrame.

Definition at line 336 of file TGMenu.h.

◆ Layout()

void TGMenuBar::Layout ( )

overridevirtual

Calculates whether the >> menu must be shown or not and which menu titles are hidden.

Reimplemented from TGCompositeFrame.

Definition at line 193 of file TGMenu.cxx.

◆ operator=()

TGMenuBar & TGMenuBar::operator= ( const TGMenuBar & )

privatedelete

◆ PopupConnection()

void TGMenuBar::PopupConnection ( )

Connects the corresponding cascaded menu to the proper slots, according to the highlighted menu entry in '>>' menu.

Definition at line 289 of file TGMenu.cxx.

◆ RemovePopup()

TGPopupMenu * TGMenuBar::RemovePopup ( const char * s )

virtual

Remove popup menu from menu bar.

Returned menu has to be deleted by the user, or can be re-used in another AddPopup(). Returns 0 if menu is not found. Don't use hot key (&) in name.

Definition at line 561 of file TGMenu.cxx.

◆ SavePrimitive()

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

overridevirtual

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

Reimplemented from TGHorizontalFrame.

Definition at line 2345 of file TGMenu.cxx.

◆ Streamer()

void TGMenuBar::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TGHorizontalFrame.

◆ StreamerNVirtual()

void TGMenuBar::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 336 of file TGMenu.h.

Friends And Related Symbol Documentation

◆ TGPopupMenu

friend class TGPopupMenu

friend

Definition at line 284 of file TGMenu.h.

Member Data Documentation

◆ fCurrent

TGMenuTitle* TGMenuBar::fCurrent

protected

current menu title

Definition at line 287 of file TGMenu.h.

◆ fDefaultCursor

Cursor_t TGMenuBar::fDefaultCursor

protected

right pointing cursor

Definition at line 289 of file TGMenu.h.

◆ fKeyNavigate

Bool_t TGMenuBar::fKeyNavigate

protected

kTRUE if arrow key navigation is on

Definition at line 292 of file TGMenu.h.

◆ fMenuBarMoreLayout

TGLayoutHints* TGMenuBar::fMenuBarMoreLayout

protected

layout of the extra menu

Definition at line 294 of file TGMenu.h.

◆ fMenuMore

TGPopupMenu* TGMenuBar::fMenuMore

protected

extra >> menu

Definition at line 293 of file TGMenu.h.

◆ fNeededSpace

TList* TGMenuBar::fNeededSpace

protected

keeps trace of space needed for hidden menus

Definition at line 297 of file TGMenu.h.

◆ fOutLayouts

TList* TGMenuBar::fOutLayouts

protected

keeps trace of layouts of hidden menus

Definition at line 296 of file TGMenu.h.

◆ fStick

Bool_t TGMenuBar::fStick

protected

stick mode (popup menu stays sticked on screen)

Definition at line 290 of file TGMenu.h.

◆ fTitles

TList* TGMenuBar::fTitles

protected

list of menu titles

Definition at line 288 of file TGMenu.h.

◆ fTrash

TList* TGMenuBar::fTrash

protected

garbage

Definition at line 291 of file TGMenu.h.

◆ fWithExt

Bool_t TGMenuBar::fWithExt

protected

indicates whether the >> menu is shown or not

Definition at line 295 of file TGMenu.h.

Libraries for TGMenuBar:

[legend]

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

gui/gui/inc/TGMenu.h
gui/gui/src/TGMenu.cxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Friends

Additional Inherited Members

Constructor & Destructor Documentation

◆ TGMenuBar() [1/2]

◆ TGMenuBar() [2/2]

◆ ~TGMenuBar()

Member Function Documentation

◆ AddFrameBefore()

◆ AddPopup() [1/3]

◆ AddPopup() [2/3]

◆ AddPopup() [3/3]

◆ AddTitle()

◆ BindHotKey()

◆ BindKeys()

◆ BindMenu()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ DeclFileName()

◆ GetCurrent()

◆ GetLastOnLeft()

◆ GetPopup()

◆ GetTitles()

◆ HandleButton()

◆ HandleKey()

◆ HandleMotion()

◆ IsA()

◆ Layout()

◆ operator=()

◆ PopupConnection()

◆ RemovePopup()

◆ SavePrimitive()

◆ Streamer()

◆ StreamerNVirtual()

Friends And Related Symbol Documentation

◆ TGPopupMenu

Member Data Documentation

◆ fCurrent

◆ fDefaultCursor

◆ fKeyNavigate

◆ fMenuBarMoreLayout

◆ fMenuMore

◆ fNeededSpace

◆ fOutLayouts

◆ fStick

◆ fTitles

◆ fTrash

◆ fWithExt