class TMessageHandler: public TNamed, public TQObject
TMessageHandler Handle messages that might be generated by the system. By default a handler only keeps track of the different messages generated for a specific class. By deriving from this class and overriding Notify() one can implement custom message handling. In Notify() one has access to the message id and the object generating the message. One can install more than one message handler per class. A message handler can be removed or again added when needed. All Root "Warnings" are logged as message 1001 All Root "Errors" are logged as message 1002 All Root "SysErrors" are logged as message 1003 All Root "Fatals" are logged as message 1004
Function Members (Methods)
public:
| TMessageHandler(const TClass* cl, Bool_t derived = kTRUE) | |
| TMessageHandler(const char* cl, Bool_t derived = kTRUE) | |
| virtual | ~TMessageHandler() |
| void | TObject::AbstractMethod(const char* method) const |
| virtual void | Add() |
| virtual void | Added()SIGNAL |
| virtual void | TObject::AppendPad(Option_t* option = "") |
| static Bool_t | TQObject::AreAllSignalsBlocked() |
| Bool_t | TQObject::AreSignalsBlocked() const |
| static Bool_t | TQObject::BlockAllSignals(Bool_t b) |
| Bool_t | TQObject::BlockSignals(Bool_t b) |
| virtual void | TObject::Browse(TBrowser* b) |
| virtual void | TQObject::ChangedBy(const char* method)SIGNAL |
| static TClass* | Class() |
| static TClass* | TQObject::Class() |
| static TClass* | TNamed::Class() |
| static TClass* | TObject::Class() |
| virtual const char* | TObject::ClassName() const |
| virtual void | TNamed::Clear(Option_t* option = "") |
| virtual void | TObject::Clear(Option_t* = "") |
| virtual TObject* | TNamed::Clone(const char* newname = "") const |
| virtual TObject* | TObject::Clone(const char* newname = "") const |
| void | TQObject::CollectClassSignalLists(TList& list, TClass* cls) |
| virtual Int_t | TNamed::Compare(const TObject* obj) const |
| virtual Int_t | TObject::Compare(const TObject* obj) const |
| Bool_t | TQObject::Connect(const char* signal, const char* receiver_class, void* receiver, const char* slot) |
| static Bool_t | TQObject::Connect(TQObject* sender, const char* signal, const char* receiver_class, void* receiver, const char* slot) |
| static Bool_t | TQObject::Connect(const char* sender_class, const char* signal, const char* receiver_class, void* receiver, const char* slot) |
| virtual void | TQObject::Connected(const char*) |
| virtual void | TNamed::Copy(TObject& named) const |
| virtual void | TObject::Copy(TObject& object) const |
| virtual void | TObject::Delete(Option_t* option = "")MENU |
| virtual void | TQObject::Destroyed()SIGNAL |
| Bool_t | TQObject::Disconnect(const char* signal = 0, void* receiver = 0, const char* slot = 0) |
| static Bool_t | TQObject::Disconnect(TQObject* sender, const char* signal = 0, void* receiver = 0, const char* slot = 0) |
| static Bool_t | TQObject::Disconnect(const char* class_name, const char* signal, void* receiver = 0, const char* slot = 0) |
| virtual void | TQObject::Disconnected(const char*) |
| virtual Int_t | TObject::DistancetoPrimitive(Int_t px, Int_t py) |
| virtual void | TObject::Draw(Option_t* option = "") |
| virtual void | TObject::DrawClass() constMENU |
| virtual TObject* | TObject::DrawClone(Option_t* option = "") constMENU |
| virtual void | TObject::Dump() constMENU |
| void | TQObject::Emit(const char* signal) |
| void | TQObject::Emit(const char* signal, Long_t* paramArr) |
| void | TQObject::Emit(const char* signal, const char* params) |
| void | TQObject::Emit(const char* signal, Double_t param) |
| void | TQObject::Emit(const char* signal, Long_t param) |
| void | TQObject::Emit(const char* signal, Long64_t param) |
| void | TQObject::Emit(const char* signal, Bool_t param) |
| void | TQObject::Emit(const char* signal, Char_t param) |
| void | TQObject::Emit(const char* signal, UChar_t param) |
| void | TQObject::Emit(const char* signal, Short_t param) |
| void | TQObject::Emit(const char* signal, UShort_t param) |
| void | TQObject::Emit(const char* signal, Int_t param) |
| void | TQObject::Emit(const char* signal, UInt_t param) |
| void | TQObject::Emit(const char* signal, ULong_t param) |
| void | TQObject::Emit(const char* signal, ULong64_t param) |
| void | TQObject::Emit(const char* signal, Float_t param) |
| void | TQObject::EmitVA(const char* signal, Int_t nargs) |
| void | TQObject::EmitVA(const char* signal, Int_t nargs, va_list va) |
| virtual void | TObject::Error(const char* method, const char* msgfmt) const |
| virtual void | TObject::Execute(const char* method, const char* params, Int_t* error = 0) |
| virtual void | TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0) |
| virtual void | TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py) |
| virtual void | TObject::Fatal(const char* method, const char* msgfmt) const |
| virtual void | TNamed::FillBuffer(char*& buffer) |
| virtual TObject* | TObject::FindObject(const char* name) const |
| virtual TObject* | TObject::FindObject(const TObject* obj) const |
| virtual Option_t* | TObject::GetDrawOption() const |
| static Long_t | TObject::GetDtorOnly() |
| virtual const char* | TObject::GetIconName() const |
| TList* | TQObject::GetListOfClassSignals() const |
| TList* | TQObject::GetListOfConnections() const |
| TList* | TQObject::GetListOfSignals() const |
| virtual Int_t | GetMessageCount(Int_t messId) const |
| virtual const char* | TNamed::GetName() const |
| virtual const char* | TObject::GetName() const |
| virtual char* | TObject::GetObjectInfo(Int_t px, Int_t py) const |
| static Bool_t | TObject::GetObjectStat() |
| virtual Option_t* | TObject::GetOption() const |
| Int_t | GetSize() const |
| virtual const char* | TNamed::GetTitle() const |
| virtual Int_t | GetTotalMessageCount() const |
| virtual UInt_t | TObject::GetUniqueID() const |
| Bool_t | HandleDerived() const |
| virtual void | HandleMessage(Int_t id, const TObject* obj) |
| virtual Bool_t | TObject::HandleTimer(TTimer* timer) |
| virtual Bool_t | TQObject::HasConnection(const char* signal_name) const |
| virtual ULong_t | TNamed::Hash() const |
| virtual ULong_t | TObject::Hash() const |
| virtual void | TQObject::HighPriority(const char* signal_name, const char* slot_name = 0) |
| virtual void | TObject::Info(const char* method, const char* msgfmt) const |
| virtual Bool_t | TObject::InheritsFrom(const char* classname) const |
| virtual Bool_t | TObject::InheritsFrom(const TClass* cl) const |
| virtual void | TObject::Inspect() constMENU |
| void | TObject::InvertBit(UInt_t f) |
| virtual TClass* | IsA() const |
| virtual TClass* | TQObject::IsA() const |
| virtual TClass* | TNamed::IsA() const |
| virtual TClass* | TObject::IsA() const |
| virtual Bool_t | TObject::IsEqual(const TObject* obj) const |
| virtual Bool_t | TObject::IsFolder() const |
| Bool_t | TObject::IsOnHeap() const |
| virtual Bool_t | TNamed::IsSortable() const |
| virtual Bool_t | TObject::IsSortable() const |
| Bool_t | TObject::IsZombie() const |
| static void | TQObject::LoadRQ_OBJECT() |
| virtual void | TQObject::LowPriority(const char* signal_name, const char* slot_name = 0) |
| virtual void | TNamed::ls(Option_t* option = "") const |
| virtual void | TObject::ls(Option_t* option = "") const |
| void | TObject::MayNotUse(const char* method) const |
| virtual void | TQObject::Message(const char* msg)SIGNAL |
| virtual void | Notified()SIGNAL |
| virtual Bool_t | Notify() |
| virtual Bool_t | TObject::Notify() |
| virtual Int_t | TQObject::NumberOfConnections() const |
| virtual Int_t | TQObject::NumberOfSignals() const |
| static void | TObject::operator delete(void* ptr) |
| static void | TObject::operator delete(void* ptr, void* vp) |
| static void | TObject::operator delete[](void* ptr) |
| static void | TObject::operator delete[](void* ptr, void* vp) |
| void* | TObject::operator new(size_t sz) |
| void* | TObject::operator new(size_t sz, void* vp) |
| void* | TObject::operator new[](size_t sz) |
| void* | TObject::operator new[](size_t sz, void* vp) |
| TNamed& | TNamed::operator=(const TNamed& rhs) |
| TObject& | TObject::operator=(const TObject& rhs) |
| virtual void | TObject::Paint(Option_t* option = "") |
| virtual void | TObject::Pop() |
| virtual void | Print(Option_t* option = "") const |
| virtual Int_t | TObject::Read(const char* name) |
| virtual void | TObject::RecursiveRemove(TObject* obj) |
| virtual void | Remove() |
| virtual void | Removed()SIGNAL |
| void | TObject::ResetBit(UInt_t f) |
| virtual void | TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU |
| virtual void | TObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "") |
| void | TObject::SetBit(UInt_t f) |
| void | TObject::SetBit(UInt_t f, Bool_t set) |
| virtual void | TObject::SetDrawOption(Option_t* option = "")MENU |
| static void | TObject::SetDtorOnly(void* obj) |
| virtual void | TNamed::SetName(const char* name)MENU |
| virtual void | TNamed::SetNameTitle(const char* name, const char* title) |
| static void | TObject::SetObjectStat(Bool_t stat) |
| virtual void | TNamed::SetTitle(const char* title = "")MENU |
| virtual void | TObject::SetUniqueID(UInt_t uid) |
| virtual void | ShowMembers(TMemberInspector& insp, char* parent) |
| virtual void | TQObject::ShowMembers(TMemberInspector& insp, char* parent) |
| virtual void | TNamed::ShowMembers(TMemberInspector& insp, char* parent) |
| virtual void | TObject::ShowMembers(TMemberInspector& insp, char* parent) |
| virtual Int_t | TNamed::Sizeof() const |
| virtual void | Streamer(TBuffer& b) |
| virtual void | TQObject::Streamer(TBuffer& b) |
| virtual void | TNamed::Streamer(TBuffer& b) |
| virtual void | TObject::Streamer(TBuffer& b) |
| void | StreamerNVirtual(TBuffer& b) |
| void | TNamed::StreamerNVirtual(TBuffer& b) |
| virtual void | TObject::SysError(const char* method, const char* msgfmt) const |
| Bool_t | TObject::TestBit(UInt_t f) const |
| Int_t | TObject::TestBits(UInt_t f) const |
| virtual void | TObject::UseCurrentStyle() |
| virtual void | TObject::Warning(const char* method, const char* msgfmt) const |
| virtual Int_t | TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) |
| virtual Int_t | TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const |
protected:
| static Int_t | TQObject::CheckConnectArgs(TQObject* sender, TClass* sender_class, const char* signal, TClass* receiver_class, const char* slot) |
| static Bool_t | TQObject::ConnectToClass(TQObject* sender, const char* signal, TClass* receiver_class, void* receiver, const char* slot) |
| static Bool_t | TQObject::ConnectToClass(const char* sender_class, const char* signal, TClass* receiver_class, void* receiver, const char* slot) |
| virtual void | TObject::DoError(int level, const char* location, const char* fmt, va_list va) const |
| virtual void* | GetSender() |
| virtual void* | TQObject::GetSender() |
| virtual const char* | TQObject::GetSenderClassName() const |
| void | TObject::MakeZombie() |
Data Members
private:
| enum TObject::EStatusBits { | kCanDelete | |
| kMustCleanup | ||
| kObjInCanvas | ||
| kIsReferenced | ||
| kHasUUID | ||
| kCannotPick | ||
| kNoContextMenu | ||
| kInvalidObject | ||
| }; | ||
| enum TObject::[unnamed] { | kIsOnHeap | |
| kNotDeleted | ||
| kZombie | ||
| kBitMask | ||
| kSingleKey | ||
| kOverwrite | ||
| kWriteDelete | ||
| }; |
protected:
| const TClass* | fClass | class for which message has to be handled |
| Int_t* | fCnts | count per message |
| Bool_t | fDerived | if true handle messages also for derived classes |
| TList* | TQObject::fListOfConnections | ! list of connections to this object |
| TList* | TQObject::fListOfSignals | ! list of signals from this object |
| Int_t | fMessId | message id (often matching specific enum in fClass) |
| Int_t* | fMessIds | message ids |
| const TObject* | fMessObj | object generating message |
| TString | TNamed::fName | object identifier |
| Bool_t | TQObject::fSignalsBlocked | ! flag used for suppression of signals |
| Int_t | fSize | number of different messages handled |
| TString | TNamed::fTitle | object title |
| static Bool_t | TQObject::fgAllSignalsBlocked | flag used for suppression of all signals |
Class Charts
Function documentation
TMessageHandler(const TClass *cl, Bool_t derived)
Create a new message handler for class cl and add it to the list of message handlers.
TMessageHandler(const char *cl, Bool_t derived)
Create a new message handler for class named cl and add it to the list of message handlers.
void HandleMessage(Int_t id, const TObject* obj)
Store message origin, keep statistics and call Notify().
virtual ~TMessageHandler()