+// also, the type of the handler parameter doesn't need to be exactly the same
+// as EventTag::EventClass but it must be its base class -- this is explicitly
+// allowed to handle different events in the same handler taking wxEvent&, for
+// example
+template
+ <typename EventTag, typename Class, typename EventArg, typename EventHandler>
+class wxEventFunctorMethod
+ : public wxEventFunctor,
+ private wxPrivate::HandlerImpl
+ <
+ Class,
+ EventArg,
+ wxConvertibleTo<Class, wxEvtHandler>::value != 0
+ >
+{
+private:
+ static void CheckHandlerArgument(EventArg *) { }
+
+public:
+ // the event class associated with the given event tag
+ typedef typename wxPrivate::EventClassOf<EventTag>::type EventClass;
+
+
+ wxEventFunctorMethod(void (Class::*method)(EventArg&), EventHandler *handler)
+ : m_handler( handler ), m_method( method )
+ {
+ wxASSERT_MSG( handler || this->IsEvtHandler(),
+ "handlers defined in non-wxEvtHandler-derived classes "
+ "must be connected with a valid sink object" );
+
+ // if you get an error here it means that the signature of the handler
+ // you're trying to use is not compatible with (i.e. is not the same as
+ // or a base class of) the real event class used for this event type
+ CheckHandlerArgument(static_cast<EventClass *>(NULL));
+ }
+
+ virtual void operator()(wxEvtHandler *handler, wxEvent& event)
+ {
+ Class * realHandler = m_handler;
+ if ( !realHandler )
+ {
+ realHandler = this->ConvertFromEvtHandler(handler);
+
+ // this is not supposed to happen but check for it nevertheless
+ wxCHECK_RET( realHandler, "invalid event handler" );
+ }
+
+ // the real (run-time) type of event is EventClass and we checked in
+ // the ctor that EventClass can be converted to EventArg, so this cast
+ // is always valid
+ (realHandler->*m_method)(static_cast<EventArg&>(event));
+ }
+
+ virtual bool IsMatching(const wxEventFunctor& functor) const
+ {
+ if ( wxTypeId(functor) != wxTypeId(*this) )
+ return false;
+
+ typedef wxEventFunctorMethod<EventTag, Class, EventArg, EventHandler>
+ ThisFunctor;
+
+ // the cast is valid because wxTypeId()s matched above
+ const ThisFunctor& other = static_cast<const ThisFunctor &>(functor);
+
+ return (m_method == other.m_method || other.m_method == NULL) &&
+ (m_handler == other.m_handler || other.m_handler == NULL);
+ }
+
+ virtual wxEvtHandler *GetEvtHandler() const
+ { return this->ConvertToEvtHandler(m_handler); }
+
+ virtual wxEventFunction GetEvtMethod() const
+ { return this->ConvertToEvtMethod(m_method); }
+
+private:
+ EventHandler *m_handler;
+ void (Class::*m_method)(EventArg&);
+
+ // Provide a dummy default ctor for type info purposes
+ wxEventFunctorMethod() { }
+
+ typedef wxEventFunctorMethod<EventTag, Class,
+ EventArg, EventHandler> thisClass;
+ WX_DECLARE_TYPEINFO_INLINE(thisClass)
+};
+
+
+// functor forwarding the event to function (function, static method)
+template <typename EventTag, typename EventArg>
+class wxEventFunctorFunction : public wxEventFunctor
+{
+private:
+ static void CheckHandlerArgument(EventArg *) { }
+
+public:
+ // the event class associated with the given event tag
+ typedef typename wxPrivate::EventClassOf<EventTag>::type EventClass;
+
+ wxEventFunctorFunction( void ( *handler )( EventArg & ))
+ : m_handler( handler )
+ {
+ // if you get an error here it means that the signature of the handler
+ // you're trying to use is not compatible with (i.e. is not the same as
+ // or a base class of) the real event class used for this event type
+ CheckHandlerArgument(static_cast<EventClass *>(NULL));
+ }
+
+ virtual void operator()(wxEvtHandler *WXUNUSED(handler), wxEvent& event)
+ {
+ // If you get an error here like "must use .* or ->* to call
+ // pointer-to-member function" then you probably tried to call
+ // Bind/Unbind with a method pointer but without a handler pointer or
+ // NULL as a handler e.g.:
+ // Unbind( wxEVT_XXX, &EventHandler::method );
+ // or
+ // Unbind( wxEVT_XXX, &EventHandler::method, NULL )
+ m_handler(static_cast<EventArg&>(event));
+ }
+
+ virtual bool IsMatching(const wxEventFunctor &functor) const
+ {
+ if ( wxTypeId(functor) != wxTypeId(*this) )
+ return false;
+
+ typedef wxEventFunctorFunction<EventTag, EventArg> ThisFunctor;
+
+ const ThisFunctor& other = static_cast<const ThisFunctor&>( functor );
+
+ return m_handler == other.m_handler;
+ }
+
+private:
+ void (*m_handler)(EventArg&);
+
+ // Provide a dummy default ctor for type info purposes
+ wxEventFunctorFunction() { }
+
+ typedef wxEventFunctorFunction<EventTag, EventArg> thisClass;
+ WX_DECLARE_TYPEINFO_INLINE(thisClass)
+};
+
+
+template <typename EventTag, typename Functor>
+class wxEventFunctorFunctor : public wxEventFunctor
+{
+public:
+ typedef typename EventTag::EventClass EventArg;
+
+ wxEventFunctorFunctor(const Functor& handler)
+ : m_handler(handler), m_handlerAddr(&handler)
+ { }
+
+ virtual void operator()(wxEvtHandler *WXUNUSED(handler), wxEvent& event)
+ {
+ // If you get an error here like "must use '.*' or '->*' to call
+ // pointer-to-member function" then you probably tried to call
+ // Bind/Unbind with a method pointer but without a handler pointer or
+ // NULL as a handler e.g.:
+ // Unbind( wxEVT_XXX, &EventHandler::method );
+ // or
+ // Unbind( wxEVT_XXX, &EventHandler::method, NULL )
+ m_handler(static_cast<EventArg&>(event));
+ }
+
+ virtual bool IsMatching(const wxEventFunctor &functor) const
+ {
+ if ( wxTypeId(functor) != wxTypeId(*this) )
+ return false;
+
+ typedef wxEventFunctorFunctor<EventTag, Functor> FunctorThis;
+
+ const FunctorThis& other = static_cast<const FunctorThis&>(functor);
+
+ // The only reliable/portable way to compare two functors is by
+ // identity:
+ return m_handlerAddr == other.m_handlerAddr;
+ }
+
+private:
+ // Store a copy of the functor to prevent using/calling an already
+ // destroyed instance:
+ Functor m_handler;
+
+ // Use the address of the original functor for comparison in IsMatching:
+ const void *m_handlerAddr;
+
+ // Provide a dummy default ctor for type info purposes
+ wxEventFunctorFunctor() { }
+
+ typedef wxEventFunctorFunctor<EventTag, Functor> thisClass;
+ WX_DECLARE_TYPEINFO_INLINE(thisClass)
+};
+
+// Create functors for the templatized events, either allocated on the heap for
+// wxNewXXX() variants (this is needed in wxEvtHandler::Bind<>() to store them
+// in dynamic event table) or just by returning them as temporary objects (this
+// is enough for Unbind<>() and we avoid unnecessary heap allocation like this).
+
+
+// Create functors wrapping functions:
+template <typename EventTag, typename EventArg>
+inline wxEventFunctorFunction<EventTag, EventArg> *
+wxNewEventFunctor(const EventTag&, void (*func)(EventArg &))
+{
+ return new wxEventFunctorFunction<EventTag, EventArg>(func);
+}
+
+template <typename EventTag, typename EventArg>
+inline wxEventFunctorFunction<EventTag, EventArg>
+wxMakeEventFunctor(const EventTag&, void (*func)(EventArg &))
+{
+ return wxEventFunctorFunction<EventTag, EventArg>(func);
+}
+
+// Create functors wrapping other functors:
+template <typename EventTag, typename Functor>
+inline wxEventFunctorFunctor<EventTag, Functor> *
+wxNewEventFunctor(const EventTag&, const Functor &func)
+{
+ return new wxEventFunctorFunctor<EventTag, Functor>(func);
+}
+
+template <typename EventTag, typename Functor>
+inline wxEventFunctorFunctor<EventTag, Functor>
+wxMakeEventFunctor(const EventTag&, const Functor &func)
+{
+ return wxEventFunctorFunctor<EventTag, Functor>(func);
+}
+
+// Create functors wrapping methods:
+template
+ <typename EventTag, typename Class, typename EventArg, typename EventHandler>
+inline wxEventFunctorMethod<EventTag, Class, EventArg, EventHandler> *
+wxNewEventFunctor(const EventTag&,
+ void (Class::*method)(EventArg&),
+ EventHandler *handler)
+{
+ return new wxEventFunctorMethod<EventTag, Class, EventArg, EventHandler>(
+ method, handler);
+}
+
+template
+ <typename EventTag, typename Class, typename EventArg, typename EventHandler>
+inline wxEventFunctorMethod<EventTag, Class, EventArg, EventHandler>
+wxMakeEventFunctor(const EventTag&,
+ void (Class::*method)(EventArg&),
+ EventHandler *handler)
+{
+ return wxEventFunctorMethod<EventTag, Class, EventArg, EventHandler>(
+ method, handler);
+}
+
+// Create an event functor for the event table via wxDECLARE_EVENT_TABLE_ENTRY:
+// in this case we don't have the handler (as it's always the same as the
+// object which generated the event) so we must use Class as its type
+template <typename EventTag, typename Class, typename EventArg>
+inline wxEventFunctorMethod<EventTag, Class, EventArg, Class> *
+wxNewEventTableFunctor(const EventTag&, void (Class::*method)(EventArg&))
+{
+ return new wxEventFunctorMethod<EventTag, Class, EventArg, Class>(
+ method, NULL);
+}
+
+#endif // wxHAS_EVENT_BIND
+
+
+// many, but not all, standard event types
+
+ // some generic events
+extern WXDLLIMPEXP_BASE const wxEventType wxEVT_NULL;
+extern WXDLLIMPEXP_BASE const wxEventType wxEVT_FIRST;
+extern WXDLLIMPEXP_BASE const wxEventType wxEVT_USER_FIRST;
+
+ // Need events declared to do this
+class WXDLLIMPEXP_FWD_BASE wxIdleEvent;
+class WXDLLIMPEXP_FWD_BASE wxThreadEvent;
+class WXDLLIMPEXP_FWD_BASE wxAsyncMethodCallEvent;
+class WXDLLIMPEXP_FWD_CORE wxCommandEvent;
+class WXDLLIMPEXP_FWD_CORE wxMouseEvent;
+class WXDLLIMPEXP_FWD_CORE wxFocusEvent;
+class WXDLLIMPEXP_FWD_CORE wxChildFocusEvent;
+class WXDLLIMPEXP_FWD_CORE wxKeyEvent;
+class WXDLLIMPEXP_FWD_CORE wxNavigationKeyEvent;
+class WXDLLIMPEXP_FWD_CORE wxSetCursorEvent;
+class WXDLLIMPEXP_FWD_CORE wxScrollEvent;
+class WXDLLIMPEXP_FWD_CORE wxSpinEvent;
+class WXDLLIMPEXP_FWD_CORE wxScrollWinEvent;
+class WXDLLIMPEXP_FWD_CORE wxSizeEvent;
+class WXDLLIMPEXP_FWD_CORE wxMoveEvent;
+class WXDLLIMPEXP_FWD_CORE wxCloseEvent;
+class WXDLLIMPEXP_FWD_CORE wxActivateEvent;
+class WXDLLIMPEXP_FWD_CORE wxWindowCreateEvent;
+class WXDLLIMPEXP_FWD_CORE wxWindowDestroyEvent;
+class WXDLLIMPEXP_FWD_CORE wxShowEvent;
+class WXDLLIMPEXP_FWD_CORE wxIconizeEvent;
+class WXDLLIMPEXP_FWD_CORE wxMaximizeEvent;
+class WXDLLIMPEXP_FWD_CORE wxMouseCaptureChangedEvent;
+class WXDLLIMPEXP_FWD_CORE wxMouseCaptureLostEvent;
+class WXDLLIMPEXP_FWD_CORE wxPaintEvent;
+class WXDLLIMPEXP_FWD_CORE wxEraseEvent;
+class WXDLLIMPEXP_FWD_CORE wxNcPaintEvent;
+class WXDLLIMPEXP_FWD_CORE wxMenuEvent;
+class WXDLLIMPEXP_FWD_CORE wxContextMenuEvent;
+class WXDLLIMPEXP_FWD_CORE wxSysColourChangedEvent;
+class WXDLLIMPEXP_FWD_CORE wxDisplayChangedEvent;
+class WXDLLIMPEXP_FWD_CORE wxQueryNewPaletteEvent;
+class WXDLLIMPEXP_FWD_CORE wxPaletteChangedEvent;
+class WXDLLIMPEXP_FWD_CORE wxJoystickEvent;
+class WXDLLIMPEXP_FWD_CORE wxDropFilesEvent;
+class WXDLLIMPEXP_FWD_CORE wxInitDialogEvent;
+class WXDLLIMPEXP_FWD_CORE wxUpdateUIEvent;
+class WXDLLIMPEXP_FWD_CORE wxClipboardTextEvent;
+class WXDLLIMPEXP_FWD_CORE wxHelpEvent;
+
+
+ // Command events
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_LISTBOX_SELECTED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_MENU_SELECTED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_SLIDER_UPDATED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_RADIOBOX_SELECTED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_RADIOBUTTON_SELECTED, wxCommandEvent);
+
+// wxEVT_COMMAND_SCROLLBAR_UPDATED is deprecated, use wxEVT_SCROLL... events
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_SCROLLBAR_UPDATED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_VLBOX_SELECTED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_COMBOBOX_SELECTED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TOOL_RCLICKED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TOOL_ENTER, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_COMBOBOX_DROPDOWN, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_COMBOBOX_CLOSEUP, wxCommandEvent);
+
+ // Thread and asynchronous method call events
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_BASE, wxEVT_THREAD, wxThreadEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_BASE, wxEVT_ASYNC_METHOD_CALL, wxAsyncMethodCallEvent);
+
+ // Mouse event types
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_LEFT_DOWN, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_LEFT_UP, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MIDDLE_DOWN, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MIDDLE_UP, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_RIGHT_DOWN, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_RIGHT_UP, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOTION, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_ENTER_WINDOW, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_LEAVE_WINDOW, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_LEFT_DCLICK, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MIDDLE_DCLICK, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_RIGHT_DCLICK, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SET_FOCUS, wxFocusEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_KILL_FOCUS, wxFocusEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_CHILD_FOCUS, wxChildFocusEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOUSEWHEEL, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_AUX1_DOWN, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_AUX1_UP, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_AUX1_DCLICK, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_AUX2_DOWN, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_AUX2_UP, wxMouseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_AUX2_DCLICK, wxMouseEvent);
+
+ // Character input event type
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_CHAR, wxKeyEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_CHAR_HOOK, wxKeyEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_NAVIGATION_KEY, wxNavigationKeyEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_KEY_DOWN, wxKeyEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_KEY_UP, wxKeyEvent);
+#if wxUSE_HOTKEY
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_HOTKEY, wxKeyEvent);
projects / wxWidgets.git / blobdiff