Logo ROOT  
Reference Guide
 
Loading...
Searching...
No Matches
TGEventHandler Class Reference

Definition at line 22 of file TGEventHandler.h.

Public Member Functions

 TGEventHandler (const char *name, TGWindow *w, TObject *obj, const char *title="")
 
 ~TGEventHandler () override
 
void Activate ()
 
void DeActivate ()
 
virtual Bool_t HandleButton (Event_t *)
 
virtual Bool_t HandleColormapChange (Event_t *)
 
virtual Bool_t HandleConfigureNotify (Event_t *)
 
virtual Bool_t HandleCrossing (Event_t *)
 
virtual Bool_t HandleDoubleClick (Event_t *)
 
virtual Bool_t HandleEvent (Event_t *ev)
 Handle the event.
 
virtual Bool_t HandleFocusChange (Event_t *)
 
virtual Bool_t HandleKey (Event_t *)
 
virtual Bool_t HandleMotion (Event_t *)
 
virtual Bool_t HandleSelection (Event_t *)
 
virtual Bool_t HandleSelectionClear (Event_t *)
 
virtual Bool_t HandleSelectionRequest (Event_t *)
 
TClassIsA () const override
 
Bool_t IsActive () const
 
virtual void ProcessedEvent (Event_t *event)
 
virtual Bool_t ProcessMessage (Longptr_t, Longptr_t, Longptr_t)
 
virtual void Repaint ()
 
virtual void SendMessage (const TGWindow *w, Longptr_t msg, Longptr_t parm1, Longptr_t parm2)
 Send message (i.e.
 
void Streamer (TBuffer &) override
 Stream an object of class TObject.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TNamed
 TNamed ()
 
 TNamed (const char *name, const char *title)
 
 TNamed (const TNamed &named)
 TNamed copy ctor.
 
 TNamed (const TString &name, const TString &title)
 
virtual ~TNamed ()
 TNamed destructor.
 
void Clear (Option_t *option="") override
 Set name and title to empty strings ("").
 
TObjectClone (const char *newname="") const override
 Make a clone of an object using the Streamer facility.
 
Int_t Compare (const TObject *obj) const override
 Compare two TNamed objects.
 
void Copy (TObject &named) const override
 Copy this to obj.
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer.
 
const char * GetName () const override
 Returns name of object.
 
const char * GetTitle () const override
 Returns title of object.
 
ULong_t Hash () const override
 Return hash value for this object.
 
TClassIsA () const override
 
Bool_t IsSortable () const override
 
void ls (Option_t *option="") const override
 List TNamed name and title.
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator.
 
void Print (Option_t *option="") const override
 Print TNamed name and title.
 
virtual void SetName (const char *name)
 Set the name of the TNamed.
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title).
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed.
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject.
 
void Streamer (TBuffer &) override
 Stream an object of class TObject.
 
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 Delete (Option_t *option="")
 Delete this object.
 
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 DrawClass () const
 Draw class inheritance tree of the class to which this object belongs.
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).
 
virtual void Dump () const
 Dump contents of object on stdout.
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message.
 
virtual void Execute (const char *method, const char *params, Int_t *error=nullptr)
 Execute method on this object with the given parameter string, e.g.
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=nullptr)
 Execute method on this object with parameters stored in the TObjArray.
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py).
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message.
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes.
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes.
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object.
 
virtual const char * GetIconName () const
 Returns mime type name of object.
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py).
 
virtual Option_tGetOption () const
 
virtual UInt_t GetUniqueID () const
 Return the unique object id.
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out.
 
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.
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas.
 
void InvertBit (UInt_t f)
 
Bool_t IsDestructed () const
 IsDestructed.
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory).
 
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
 
R__ALWAYS_INLINE Bool_t IsZombie () const
 
void MayNotUse (const char *method) const
 Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification (the base implementation is no-op).
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete.
 
void operator delete (void *ptr)
 Operator delete.
 
void operator delete (void *ptr, void *vp)
 Only called by placement new when throwing an exception.
 
void operator delete[] (void *ptr)
 Operator delete [].
 
void operator delete[] (void *ptr, void *vp)
 Only called by placement new[] when throwing an exception.
 
void * operator new (size_t sz)
 
void * operator new (size_t sz, void *vp)
 
void * operator new[] (size_t sz)
 
void * operator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator.
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself.
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list.
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory.
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list.
 
void ResetBit (UInt_t f)
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename.
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out".
 
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 SetDrawOption (Option_t *option="")
 Set drawing option for object.
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message.
 
R__ALWAYS_INLINE Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
virtual void UseCurrentStyle ()
 Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message.
 
virtual Int_t Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory.
 
virtual Int_t Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory.
 
- Public Member Functions inherited from TQObject
 TQObject ()
 TQObject Constructor.
 
virtual ~TQObject ()
 TQObject Destructor.
 
Bool_t AreSignalsBlocked () const
 
Bool_t BlockSignals (Bool_t b)
 
virtual void ChangedBy (const char *method)
 
void CollectClassSignalLists (TList &list, TClass *cls)
 Collect class signal lists from class cls and all its base-classes.
 
Bool_t Connect (const char *signal, const char *receiver_class, void *receiver, const char *slot)
 Non-static method is used to connect from the signal of this object to the receiver slot.
 
virtual void Connected (const char *)
 
virtual void Destroyed ()
 
Bool_t Disconnect (const char *signal=nullptr, void *receiver=nullptr, const char *slot=nullptr)
 Disconnects signal of this object from slot of receiver.
 
virtual void Disconnected (const char *)
 
void Emit (const char *signal)
 Activate signal without args.
 
template<typename T >
void Emit (const char *signal, const T &arg)
 Activate signal with single parameter.
 
template<typename... T>
void EmitVA (const char *signal_name, Int_t, const T &... params)
 Emit a signal with a varying number of arguments.
 
TListGetListOfClassSignals () const
 Returns pointer to list of signals of this class.
 
TListGetListOfConnections () const
 
TListGetListOfSignals () const
 
virtual Bool_t HasConnection (const char *signal_name) const
 Return true if there is any object connected to this signal.
 
virtual void HighPriority (const char *signal_name, const char *slot_name=nullptr)
 
virtual void LowPriority (const char *signal_name, const char *slot_name=nullptr)
 
virtual void Message (const char *msg)
 
virtual Int_t NumberOfConnections () const
 Return number of connections for this object.
 
virtual Int_t NumberOfSignals () const
 Return number of signals for this object.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 

Static Public Member Functions

static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TNamed
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TObject
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static Longptr_t GetDtorOnly ()
 Return destructor only flag.
 
static Bool_t GetObjectStat ()
 Get status of object stat flag.
 
static void SetDtorOnly (void *obj)
 Set destructor only flag.
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable.
 
- Static Public Member Functions inherited from TQObject
static Bool_t AreAllSignalsBlocked ()
 Returns true if all signals are blocked.
 
static Bool_t BlockAllSignals (Bool_t b)
 Block or unblock all signals. Returns the previous block status.
 
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static Bool_t Connect (const char *sender_class, const char *signal, const char *receiver_class, void *receiver, const char *slot)
 This method allows to make a connection from any object of the same class to a single slot.
 
static Bool_t Connect (TQObject *sender, const char *signal, const char *receiver_class, void *receiver, const char *slot)
 Create connection between sender and receiver.
 
static const char * DeclFileName ()
 
static Bool_t Disconnect (const char *class_name, const char *signal, void *receiver=nullptr, const char *slot=nullptr)
 Disconnects "class signal".
 
static Bool_t Disconnect (TQObject *sender, const char *signal=nullptr, void *receiver=nullptr, const char *slot=nullptr)
 Disconnects signal in object sender from slot_method in object receiver.
 

Private Member Functions

 TGEventHandler (const TGEventHandler &)=delete
 
void * GetSender () override
 
TGEventHandleroperator= (const TGEventHandler &)=delete
 

Private Attributes

Bool_t fIsActive
 kTRUE if handler is active, kFALSE if not active
 
TObjectfObject
 
TGWindowfWindow
 

Additional Inherited Members

- 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 TObject
enum  { kOnlyPrepStep = (1ULL << ( 3 )) }
 
- Protected Member Functions inherited from TObject
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected).
 
void MakeZombie ()
 
- Protected Member Functions inherited from TQObject
virtual const char * GetSenderClassName () const
 
- 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 inherited from TNamed
TString fName
 
TString fTitle
 
- Protected Attributes inherited from TQObject
TListfListOfConnections
 list of signals from this object
 
TListfListOfSignals
 
Bool_t fSignalsBlocked
 list of connections to this object
 
- Static Protected Attributes inherited from TQObject
static Bool_t fgAllSignalsBlocked = kFALSE
 flag used for suppression of signals
 

#include <TGEventHandler.h>

Inheritance diagram for TGEventHandler:
[legend]

Constructor & Destructor Documentation

◆ TGEventHandler() [1/2]

TGEventHandler::TGEventHandler ( const TGEventHandler )
privatedelete

◆ TGEventHandler() [2/2]

TGEventHandler::TGEventHandler ( const char *  name,
TGWindow w,
TObject obj,
const char *  title = "" 
)
inline

Definition at line 36 of file TGEventHandler.h.

◆ ~TGEventHandler()

TGEventHandler::~TGEventHandler ( )
inlineoverride

Definition at line 38 of file TGEventHandler.h.

Member Function Documentation

◆ Activate()

void TGEventHandler::Activate ( )
inline

Definition at line 40 of file TGEventHandler.h.

◆ Class()

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

◆ Class_Name()

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

◆ Class_Version()

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

Definition at line 62 of file TGEventHandler.h.

◆ DeActivate()

void TGEventHandler::DeActivate ( )
inline

Definition at line 41 of file TGEventHandler.h.

◆ DeclFileName()

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

Definition at line 62 of file TGEventHandler.h.

◆ GetSender()

void * TGEventHandler::GetSender ( )
inlineoverrideprivatevirtual

Reimplemented from TQObject.

Definition at line 33 of file TGEventHandler.h.

◆ HandleButton()

virtual Bool_t TGEventHandler::HandleButton ( Event_t )
inlinevirtual

Reimplemented in TGLEventHandler.

Definition at line 45 of file TGEventHandler.h.

◆ HandleColormapChange()

virtual Bool_t TGEventHandler::HandleColormapChange ( Event_t )
inlinevirtual

Definition at line 54 of file TGEventHandler.h.

◆ HandleConfigureNotify()

virtual Bool_t TGEventHandler::HandleConfigureNotify ( Event_t )
inlinevirtual

Reimplemented in TGLEventHandler.

Definition at line 44 of file TGEventHandler.h.

◆ HandleCrossing()

virtual Bool_t TGEventHandler::HandleCrossing ( Event_t )
inlinevirtual

Reimplemented in TGLEventHandler.

Definition at line 47 of file TGEventHandler.h.

◆ HandleDoubleClick()

virtual Bool_t TGEventHandler::HandleDoubleClick ( Event_t )
inlinevirtual

Reimplemented in TGLEventHandler.

Definition at line 46 of file TGEventHandler.h.

◆ HandleEvent()

Bool_t TGEventHandler::HandleEvent ( Event_t ev)
virtual

Handle the event.

Returns true if the event has been handled, false otherwise.

Reimplemented in TGLEventHandler.

Definition at line 27 of file TGEventHandler.cxx.

◆ HandleFocusChange()

virtual Bool_t TGEventHandler::HandleFocusChange ( Event_t )
inlinevirtual

Reimplemented in TGLEventHandler.

Definition at line 50 of file TGEventHandler.h.

◆ HandleKey()

virtual Bool_t TGEventHandler::HandleKey ( Event_t )
inlinevirtual

Reimplemented in TEveLegoEventHandler, and TGLEventHandler.

Definition at line 49 of file TGEventHandler.h.

◆ HandleMotion()

virtual Bool_t TGEventHandler::HandleMotion ( Event_t )
inlinevirtual

Reimplemented in TGLEventHandler.

Definition at line 48 of file TGEventHandler.h.

◆ HandleSelection()

virtual Bool_t TGEventHandler::HandleSelection ( Event_t )
inlinevirtual

Definition at line 51 of file TGEventHandler.h.

◆ HandleSelectionClear()

virtual Bool_t TGEventHandler::HandleSelectionClear ( Event_t )
inlinevirtual

Definition at line 53 of file TGEventHandler.h.

◆ HandleSelectionRequest()

virtual Bool_t TGEventHandler::HandleSelectionRequest ( Event_t )
inlinevirtual

Definition at line 52 of file TGEventHandler.h.

◆ IsA()

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

Reimplemented from TObject.

Definition at line 62 of file TGEventHandler.h.

◆ IsActive()

Bool_t TGEventHandler::IsActive ( ) const
inline

Definition at line 42 of file TGEventHandler.h.

◆ operator=()

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

◆ ProcessedEvent()

virtual void TGEventHandler::ProcessedEvent ( Event_t event)
inlinevirtual

Definition at line 55 of file TGEventHandler.h.

◆ ProcessMessage()

virtual Bool_t TGEventHandler::ProcessMessage ( Longptr_t  ,
Longptr_t  ,
Longptr_t   
)
inlinevirtual

Definition at line 59 of file TGEventHandler.h.

◆ Repaint()

virtual void TGEventHandler::Repaint ( )
inlinevirtual

Reimplemented in TGLEventHandler.

Definition at line 60 of file TGEventHandler.h.

◆ SendMessage()

void TGEventHandler::SendMessage ( const TGWindow w,
Longptr_t  msg,
Longptr_t  parm1,
Longptr_t  parm2 
)
virtual

Send message (i.e.

event) to window w. Message is encoded in one long as message type and up to two long parameters.

Definition at line 36 of file TGEventHandler.cxx.

◆ Streamer()

void TGEventHandler::Streamer ( TBuffer R__b)
overridevirtual

Stream an object of class TObject.

Reimplemented from TObject.

◆ StreamerNVirtual()

void TGEventHandler::StreamerNVirtual ( TBuffer ClassDef_StreamerNVirtual_b)
inline

Definition at line 62 of file TGEventHandler.h.

Member Data Documentation

◆ fIsActive

Bool_t TGEventHandler::fIsActive
private

kTRUE if handler is active, kFALSE if not active

Definition at line 29 of file TGEventHandler.h.

◆ fObject

TObject* TGEventHandler::fObject
private

Definition at line 31 of file TGEventHandler.h.

◆ fWindow

TGWindow* TGEventHandler::fWindow
private

Definition at line 30 of file TGEventHandler.h.

Libraries for TGEventHandler:

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