#include "wx/dynarray.h"
#include "wx/thread.h"
#include "wx/tracker.h"
+#include "wx/typeinfo.h"
+#include "wx/any.h"
#ifdef wxHAS_EVENT_BIND
#include "wx/meta/convertible.h"
// the wxEVENT_HANDLER_CAST-macro.
#define wxStaticCastEvent(type, val) static_cast<type>(val)
-#define DECLARE_EVENT_TABLE_ENTRY(type, winid, idLast, fn, obj) \
+#define wxDECLARE_EVENT_TABLE_ENTRY(type, winid, idLast, fn, obj) \
wxEventTableEntry(type, winid, idLast, wxNewEventTableFunctor(type, fn), obj)
-#define DECLARE_EVENT_TABLE_TERMINATOR() \
+#define wxDECLARE_EVENT_TABLE_TERMINATOR() \
wxEventTableEntry(wxEVT_NULL, 0, 0, 0, 0)
-// obsolete event declaration/definition macros, we don't need them any longer
-// but we keep them for compatibility as it doesn't cost us anything anyhow
-#define BEGIN_DECLARE_EVENT_TYPES()
-#define END_DECLARE_EVENT_TYPES()
-#define DECLARE_EXPORTED_EVENT_TYPE(expdecl, name, value) \
- extern expdecl const wxEventType name;
-#define DECLARE_EVENT_TYPE(name, value) \
- DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_CORE, name, value)
-#define DECLARE_LOCAL_EVENT_TYPE(name, value) \
- DECLARE_EXPORTED_EVENT_TYPE(wxEMPTY_PARAMETER_VALUE, name, value)
-#define DEFINE_EVENT_TYPE(name) const wxEventType name = wxNewEventType();
-#define DEFINE_LOCAL_EVENT_TYPE(name) DEFINE_EVENT_TYPE(name)
-
// generate a new unique event type
extern WXDLLIMPEXP_BASE wxEventType wxNewEventType();
// compiler we can restore its old definition for it.
typedef wxEventFunction wxObjectEventFunction;
-
-// wxEventFunctorClassInfo is used as a unique identifier for wxEventFunctor-
-// derived classes; it is more light weight than wxClassInfo and can be used in
-// template classes
-typedef void (*wxEventFunctorClassInfo)();
-
-// this macro must be used in wxEventFunctor-derived classes
-#define wxDEFINE_EVENT_FUNCTOR_CLASS_INFO( classInfoName ) \
- static void classInfoName() {}
-
// The event functor which is stored in the static and dynamic event tables:
class WXDLLIMPEXP_BASE wxEventFunctor
{
// finding it in an event table in Unbind(), by the given functor:
virtual bool IsMatching(const wxEventFunctor& functor) const = 0;
- // Test whether the given class info is the same as from this functor. This
- // allows us in IsMatching to safely downcast the given wxEventFunctor without
- // the usage of dynamic_cast<>().
- virtual bool IsSameClass(wxEventFunctorClassInfo classInfo) const = 0;
-
// If the functor holds an wxEvtHandler, then get access to it and track
// its lifetime with wxEventConnectionRef:
virtual wxEvtHandler *GetEvtHandler() const
// wxEventFunction:
virtual wxEventFunction GetEvtMethod() const
{ return NULL; }
+
+private:
+ WX_DECLARE_ABSTRACT_TYPEINFO(wxEventFunctor)
};
// A plain method functor for the untyped legacy event types:
: m_handler( handler ), m_method( method )
{ }
- virtual void operator()(wxEvtHandler *handler, wxEvent& event)
- {
- wxEvtHandler * const realHandler = m_handler ? m_handler : handler;
-
- (realHandler->*m_method)(event);
- }
+ virtual void operator()(wxEvtHandler *handler, wxEvent& event);
virtual bool IsMatching(const wxEventFunctor& functor) const
{
- if ( functor.IsSameClass( sm_classInfo ))
+ if ( wxTypeId(functor) == wxTypeId(*this) )
{
const wxObjectEventFunctor &other =
static_cast< const wxObjectEventFunctor & >( functor );
return false;
}
- virtual bool IsSameClass( wxEventFunctorClassInfo otherClassInfo ) const
- { return sm_classInfo == otherClassInfo; }
-
virtual wxEvtHandler *GetEvtHandler() const
{ return m_handler; }
wxEvtHandler *m_handler;
wxEventFunction m_method;
- wxDEFINE_EVENT_FUNCTOR_CLASS_INFO( sm_classInfo );
+ // Provide a dummy default ctor for type info purposes
+ wxObjectEventFunctor() { }
+
+ WX_DECLARE_TYPEINFO_INLINE(wxObjectEventFunctor)
};
// Create a functor for the legacy events: used by Connect()
return new wxObjectEventFunctor(method, handler);
}
-// This version is used by DECLARE_EVENT_TABLE_ENTRY()
+// This version is used by wxDECLARE_EVENT_TABLE_ENTRY()
inline wxObjectEventFunctor *
wxNewEventTableFunctor(const wxEventType& WXUNUSED(evtType),
wxObjectEventFunction method)
virtual bool IsMatching(const wxEventFunctor& functor) const
{
- if ( !functor.IsSameClass(sm_classInfo) )
+ if ( wxTypeId(functor) != wxTypeId(*this) )
return false;
typedef wxEventFunctorMethod<EventTag, Class, EventArg, EventHandler>
ThisFunctor;
- // the cast is valid because IsSameClass() returned true above
+ // 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 bool IsSameClass( wxEventFunctorClassInfo otherClassInfo ) const
- { return sm_classInfo == otherClassInfo; }
-
virtual wxEvtHandler *GetEvtHandler() const
{ return this->ConvertToEvtHandler(m_handler); }
EventHandler *m_handler;
void (Class::*m_method)(EventArg&);
- wxDEFINE_EVENT_FUNCTOR_CLASS_INFO( sm_classInfo );
+ // Provide a dummy default ctor for type info purposes
+ wxEventFunctorMethod() { }
+
+ typedef wxEventFunctorMethod<EventTag, Class,
+ EventArg, EventHandler> thisClass;
+ WX_DECLARE_TYPEINFO_INLINE(thisClass)
};
virtual bool IsMatching(const wxEventFunctor &functor) const
{
- if ( !functor.IsSameClass(sm_classInfo) )
+ if ( wxTypeId(functor) != wxTypeId(*this) )
return false;
typedef wxEventFunctorFunction<EventTag, EventArg> ThisFunctor;
return m_handler == other.m_handler;
}
- virtual bool IsSameClass( wxEventFunctorClassInfo otherClassInfo ) const
- { return sm_classInfo == otherClassInfo; }
-
private:
void (*m_handler)(EventArg&);
- wxDEFINE_EVENT_FUNCTOR_CLASS_INFO( sm_classInfo );
+ // Provide a dummy default ctor for type info purposes
+ wxEventFunctorFunction() { }
+
+ typedef wxEventFunctorFunction<EventTag, EventArg> thisClass;
+ WX_DECLARE_TYPEINFO_INLINE(thisClass)
};
virtual bool IsMatching(const wxEventFunctor &functor) const
{
- if ( !functor.IsSameClass(sm_classInfo) )
+ if ( wxTypeId(functor) != wxTypeId(*this) )
return false;
typedef wxEventFunctorFunctor<EventTag, Functor> FunctorThis;
return m_handlerAddr == other.m_handlerAddr;
}
- virtual bool IsSameClass( wxEventFunctorClassInfo otherClassInfo ) const
- { return sm_classInfo == otherClassInfo; }
-
private:
// Store a copy of the functor to prevent using/calling an already
// destroyed instance:
// Use the address of the original functor for comparison in IsMatching:
const void *m_handlerAddr;
- wxDEFINE_EVENT_FUNCTOR_CLASS_INFO( sm_classInfo );
+ // 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
method, handler);
}
-// Create an event functor for the event table via DECLARE_EVENT_TABLE_ENTRY:
+// 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>
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_CORE wxCommandEvent;
-class WXDLLIMPEXP_FWD_CORE wxThreadEvent;
class WXDLLIMPEXP_FWD_CORE wxMouseEvent;
class WXDLLIMPEXP_FWD_CORE wxFocusEvent;
class WXDLLIMPEXP_FWD_CORE wxChildFocusEvent;
class WXDLLIMPEXP_FWD_CORE wxJoystickEvent;
class WXDLLIMPEXP_FWD_CORE wxDropFilesEvent;
class WXDLLIMPEXP_FWD_CORE wxInitDialogEvent;
-class WXDLLIMPEXP_FWD_CORE wxIdleEvent;
class WXDLLIMPEXP_FWD_CORE wxUpdateUIEvent;
class WXDLLIMPEXP_FWD_CORE wxClipboardTextEvent;
class WXDLLIMPEXP_FWD_CORE wxHelpEvent;
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_COMBOBOX_CLOSEUP, wxCommandEvent);
// Thread events
-wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_THREAD, wxThreadEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_BASE, wxEVT_THREAD, wxThreadEvent);
// Mouse event types
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_LEFT_DOWN, wxMouseEvent);
#if wxUSE_HOTKEY
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_HOTKEY, wxKeyEvent);
#endif
+// This is a private event used by wxMSW code only and subject to change or
+// disappear in the future. Don't use.
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_AFTER_CHAR, wxKeyEvent);
+
// Set cursor event
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SET_CURSOR, wxSetCursorEvent);
return false;
}
+ // This is also used only internally by ProcessEvent() to check if it
+ // should process the event normally or only restrict the search for the
+ // event handler to this object itself.
+ bool ShouldProcessOnlyIn(wxEvtHandler *h) const
+ {
+ return h == m_handlerToProcessOnlyIn;
+ }
+
+ // Called to indicate that the result of ShouldProcessOnlyIn() wasn't taken
+ // into account. The existence of this function may seem counterintuitive
+ // but unfortunately it's needed by wxScrollHelperEvtHandler, see comments
+ // there. Don't even think of using this in your own code, this is a gross
+ // hack and is only needed because of wx complicated history and should
+ // never be used anywhere else.
+ void DidntHonourProcessOnlyIn()
+ {
+ m_handlerToProcessOnlyIn = NULL;
+ }
+
protected:
wxObject* m_eventObject;
wxEventType m_eventType;
// m_callbackUserData is for internal usage only
wxObject* m_callbackUserData;
+private:
+ // If this handler
+ wxEvtHandler *m_handlerToProcessOnlyIn;
+
protected:
// the propagation level: while it is positive, we propagate the event to
// the parent window (if any)
// it needs to access our m_propagationLevel
friend class WXDLLIMPEXP_FWD_BASE wxPropagateOnce;
+ // and this one needs to access our m_handlerToProcessOnlyIn
+ friend class WXDLLIMPEXP_FWD_BASE wxEventProcessInHandlerOnly;
+
+
DECLARE_ABSTRACT_CLASS(wxEvent)
};
wxDECLARE_NO_COPY_CLASS(wxPropagateOnce);
};
+// A helper object used to temporarily make wxEvent::ShouldProcessOnlyIn()
+// return true for the handler passed to its ctor.
+class wxEventProcessInHandlerOnly
+{
+public:
+ wxEventProcessInHandlerOnly(wxEvent& event, wxEvtHandler *handler)
+ : m_event(event),
+ m_handlerToProcessOnlyInOld(event.m_handlerToProcessOnlyIn)
+ {
+ m_event.m_handlerToProcessOnlyIn = handler;
+ }
+
+ ~wxEventProcessInHandlerOnly()
+ {
+ m_event.m_handlerToProcessOnlyIn = m_handlerToProcessOnlyInOld;
+ }
+
+private:
+ wxEvent& m_event;
+ wxEvtHandler * const m_handlerToProcessOnlyInOld;
+
+ wxDECLARE_NO_COPY_CLASS(wxEventProcessInHandlerOnly);
+};
+
+
+class WXDLLIMPEXP_BASE wxEventBasicPayloadMixin
+{
+public:
+ wxEventBasicPayloadMixin()
+ : m_commandInt(0),
+ m_extraLong(0)
+ {
+ }
+
+ void SetString(const wxString& s) { m_cmdString = s; }
+ const wxString& GetString() const { return m_cmdString; }
+
+ void SetInt(int i) { m_commandInt = i; }
+ int GetInt() const { return m_commandInt; }
+
+ void SetExtraLong(long extraLong) { m_extraLong = extraLong; }
+ long GetExtraLong() const { return m_extraLong; }
+
+protected:
+ // Note: these variables have "cmd" or "command" in their name for backward compatibility:
+ // they used to be part of wxCommandEvent, not this mixin.
+ wxString m_cmdString; // String event argument
+ int m_commandInt;
+ long m_extraLong; // Additional information (e.g. select/deselect)
+
+ wxDECLARE_NO_ASSIGN_CLASS(wxEventBasicPayloadMixin);
+};
+
+class WXDLLIMPEXP_BASE wxEventAnyPayloadMixin : public wxEventBasicPayloadMixin
+{
+public:
+ wxEventAnyPayloadMixin() : wxEventBasicPayloadMixin() {}
+
+#if wxUSE_ANY && (!defined(__VISUALC__) || wxCHECK_VISUALC_VERSION(7))
+ template<typename T>
+ void SetPayload(const T& payload)
+ {
+ m_payload = payload;
+ }
+
+ template<typename T>
+ T GetPayload() const
+ {
+ return m_payload.As<T>();
+ }
+
+protected:
+ wxAny m_payload;
+#endif // wxUSE_ANY && (!defined(__VISUALC__) || wxCHECK_VISUALC_VERSION(7))
+
+ wxDECLARE_NO_ASSIGN_CLASS(wxEventBasicPayloadMixin);
+};
+
+
+// Idle event
+/*
+ wxEVT_IDLE
+ */
+
+// Whether to always send idle events to windows, or
+// to only send update events to those with the
+// wxWS_EX_PROCESS_IDLE style.
+
+enum wxIdleMode
+{
+ // Send idle events to all windows
+ wxIDLE_PROCESS_ALL,
+
+ // Send idle events to windows that have
+ // the wxWS_EX_PROCESS_IDLE flag specified
+ wxIDLE_PROCESS_SPECIFIED
+};
+
+class WXDLLIMPEXP_BASE wxIdleEvent : public wxEvent
+{
+public:
+ wxIdleEvent()
+ : wxEvent(0, wxEVT_IDLE),
+ m_requestMore(false)
+ { }
+ wxIdleEvent(const wxIdleEvent& event)
+ : wxEvent(event),
+ m_requestMore(event.m_requestMore)
+ { }
+
+ void RequestMore(bool needMore = true) { m_requestMore = needMore; }
+ bool MoreRequested() const { return m_requestMore; }
+
+ virtual wxEvent *Clone() const { return new wxIdleEvent(*this); }
+
+ // Specify how wxWidgets will send idle events: to
+ // all windows, or only to those which specify that they
+ // will process the events.
+ static void SetMode(wxIdleMode mode) { sm_idleMode = mode; }
+
+ // Returns the idle event mode
+ static wxIdleMode GetMode() { return sm_idleMode; }
+
+protected:
+ bool m_requestMore;
+ static wxIdleMode sm_idleMode;
+
+private:
+ DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxIdleEvent)
+};
+
+
+// Thread event
+
+class WXDLLIMPEXP_BASE wxThreadEvent : public wxEvent,
+ public wxEventAnyPayloadMixin
+{
+public:
+ wxThreadEvent(wxEventType eventType = wxEVT_THREAD, int id = wxID_ANY)
+ : wxEvent(id, eventType)
+ { }
+
+ wxThreadEvent(const wxThreadEvent& event)
+ : wxEvent(event),
+ wxEventAnyPayloadMixin(event)
+ {
+ // make sure our string member (which uses COW, aka refcounting) is not
+ // shared by other wxString instances:
+ SetString(GetString().c_str());
+ }
+
+ virtual wxEvent *Clone() const
+ {
+ return new wxThreadEvent(*this);
+ }
+
+ // this is important to avoid that calling wxEventLoopBase::YieldFor thread events
+ // gets processed when this is unwanted:
+ virtual wxEventCategory GetEventCategory() const
+ { return wxEVT_CATEGORY_THREAD; }
+
+private:
+ DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxThreadEvent)
+};
+
#if wxUSE_GUI
wxEVT_COMMAND_TOGGLEBUTTON_CLICKED
*/
-class WXDLLIMPEXP_CORE wxCommandEvent : public wxEvent
+class WXDLLIMPEXP_CORE wxCommandEvent : public wxEvent,
+ public wxEventBasicPayloadMixin
{
public:
wxCommandEvent(wxEventType commandType = wxEVT_NULL, int winid = 0);
wxCommandEvent(const wxCommandEvent& event)
: wxEvent(event),
- m_cmdString(event.m_cmdString),
- m_commandInt(event.m_commandInt),
- m_extraLong(event.m_extraLong),
+ wxEventBasicPayloadMixin(event),
m_clientData(event.m_clientData),
m_clientObject(event.m_clientObject)
{ }
void SetClientObject(wxClientData* clientObject) { m_clientObject = clientObject; }
wxClientData *GetClientObject() const { return m_clientObject; }
+ // Note: this shadows wxEventBasicPayloadMixin::GetString(), because it does some
+ // GUI-specific hacks
+ wxString GetString() const;
+
// Get listbox selection if single-choice
int GetSelection() const { return m_commandInt; }
- // Set/Get listbox/choice selection string
- void SetString(const wxString& s) { m_cmdString = s; }
- wxString GetString() const;
-
// Get checkbox value
bool IsChecked() const { return m_commandInt != 0; }
// true if the listbox event was a selection.
bool IsSelection() const { return (m_extraLong != 0); }
- void SetExtraLong(long extraLong) { m_extraLong = extraLong; }
- long GetExtraLong() const { return m_extraLong; }
-
- void SetInt(int i) { m_commandInt = i; }
- int GetInt() const { return m_commandInt; }
-
virtual wxEvent *Clone() const { return new wxCommandEvent(*this); }
virtual wxEventCategory GetEventCategory() const { return wxEVT_CATEGORY_USER_INPUT; }
protected:
- wxString m_cmdString; // String event argument
- int m_commandInt;
- long m_extraLong; // Additional information (e.g. select/deselect)
void* m_clientData; // Arbitrary client data
wxClientData* m_clientObject; // Arbitrary client object
};
-// Thread event
-
-class WXDLLIMPEXP_CORE wxThreadEvent : public wxCommandEvent
-{
-public:
- wxThreadEvent(wxEventType eventType = wxEVT_COMMAND_THREAD, int id = wxID_ANY)
- : wxCommandEvent(eventType, id)
- { }
-
- wxThreadEvent(const wxThreadEvent& event)
- : wxCommandEvent(event)
- {
- // make sure our string member (which uses COW, aka refcounting) is not
- // shared by other wxString instances:
- SetString(GetString().c_str());
- }
-
- virtual wxEvent *Clone() const
- {
- wxThreadEvent* ev = new wxThreadEvent(*this);
-
- // make sure our string member (which uses COW, aka refcounting) is not
- // shared by other wxString instances:
- ev->SetString(GetString().c_str());
- return ev;
- }
-
- // this is important to avoid that calling wxEventLoopBase::YieldFor thread events
- // gets processed when this is unwanted:
- virtual wxEventCategory GetEventCategory() const
- { return wxEVT_CATEGORY_THREAD; }
-
-private:
- DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxThreadEvent)
-};
-
-
-
// Scroll event class, derived form wxCommandEvent. wxScrollEvents are
// sent by wxSlider and wxScrollBar.
/*
void SetCursor(const wxCursor& cursor) { m_cursor = cursor; }
const wxCursor& GetCursor() const { return m_cursor; }
- bool HasCursor() const { return m_cursor.Ok(); }
+ bool HasCursor() const { return m_cursor.IsOk(); }
virtual wxEvent *Clone() const { return new wxSetCursorEvent(*this); }
{ m_eventType = wxEVT_SIZING; m_id = id; }
wxSize GetSize() const { return m_size; }
+ void SetSize(wxSize size) { m_size = size; }
wxRect GetRect() const { return m_rect; }
void SetRect(const wxRect& rect) { m_rect = rect; }
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxContextMenuEvent)
};
-#endif // wxUSE_GUI
-
-// Idle event
-/*
- wxEVT_IDLE
- */
-
-// Whether to always send idle events to windows, or
-// to only send update events to those with the
-// wxWS_EX_PROCESS_IDLE style.
-
-enum wxIdleMode
-{
- // Send idle events to all windows
- wxIDLE_PROCESS_ALL,
-
- // Send idle events to windows that have
- // the wxWS_EX_PROCESS_IDLE flag specified
- wxIDLE_PROCESS_SPECIFIED
-};
-
-class WXDLLIMPEXP_BASE wxIdleEvent : public wxEvent
-{
-public:
- wxIdleEvent()
- : wxEvent(0, wxEVT_IDLE),
- m_requestMore(false)
- { }
- wxIdleEvent(const wxIdleEvent& event)
- : wxEvent(event),
- m_requestMore(event.m_requestMore)
- { }
-
- void RequestMore(bool needMore = true) { m_requestMore = needMore; }
- bool MoreRequested() const { return m_requestMore; }
-
- virtual wxEvent *Clone() const { return new wxIdleEvent(*this); }
-
- // Specify how wxWidgets will send idle events: to
- // all windows, or only to those which specify that they
- // will process the events.
- static void SetMode(wxIdleMode mode) { sm_idleMode = mode; }
-
- // Returns the idle event mode
- static wxIdleMode GetMode() { return sm_idleMode; }
-
-protected:
- bool m_requestMore;
- static wxIdleMode sm_idleMode;
-
-private:
- DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxIdleEvent)
-};
/* TODO
wxEVT_MOUSE_CAPTURE_CHANGED,
wxEVT_COMPARE_ITEM
*/
+#endif // wxUSE_GUI
// ============================================================================
bool SafelyProcessEvent(wxEvent& event);
// NOTE: uses ProcessEvent()
+ // This method tries to process the event in this event handler, including
+ // any preprocessing done by TryBefore() and all the handlers chained to
+ // it, but excluding the post-processing done in TryAfter().
+ //
+ // It is meant to be called from ProcessEvent() only and is not virtual,
+ // additional event handlers can be hooked into the normal event processing
+ // logic using TryBefore() and TryAfter() hooks.
+ //
+ // You can also call it yourself to forward an event to another handler but
+ // without propagating it upwards if it's unhandled (this is usually
+ // unwanted when forwarding as the original handler would already do it if
+ // needed normally).
+ bool ProcessEventLocally(wxEvent& event);
+
// Schedule the given event to be processed later. It takes ownership of
// the event pointer, i.e. it will be deleted later. This is safe to call
// from multiple threads although you still need to ensure that wxString
void OnSinkDestroyed( wxEvtHandler *sink );
- // The method tries to process the event in this event handler.
- //
- // It is meant to be called from ProcessEvent() only and is not virtual,
- // additional event handlers can be hooked into the normal event processing
- // logic using TryBefore() and TryAfter() hooks.
- bool ProcessEventHere(wxEvent& event);
-
-
private:
void DoBind(int winid,
int lastId,
// validators.
virtual bool TryBefore(wxEvent& event);
+ // This one is not a hook but just a helper which looks up the handler in
+ // this object itself.
+ //
+ // It is called from ProcessEventLocally() and normally shouldn't be called
+ // directly as doing it would ignore any chained event handlers
+ bool TryHereOnly(wxEvent& event);
+
+ // Another helper which simply calls pre-processing hook and then tries to
+ // handle the event at this handler level.
+ bool TryBeforeAndHere(wxEvent& event)
+ {
+ return TryBefore(event) || TryHereOnly(event);
+ }
+
// this one is called after failing to find the event handle in our own
// table to give a chance to the other windows to process it
//
// pass the event to wxTheApp instance, called from TryAfter()
bool DoTryApp(wxEvent& event);
+ // try to process events in all handlers chained to this one
+ bool DoTryChain(wxEvent& event);
+
DECLARE_DYNAMIC_CLASS_NO_COPY(wxEvtHandler)
};
WX_DEFINE_ARRAY_WITH_DECL_PTR(wxEvtHandler *, wxEvtHandlerArray, class WXDLLIMPEXP_BASE);
+
+// Define an inline method of wxObjectEventFunctor which couldn't be defined
+// before wxEvtHandler declaration: at least Sun CC refuses to compile function
+// calls through pointer to member for forward-declared classes (see #12452).
+inline void wxObjectEventFunctor::operator()(wxEvtHandler *handler, wxEvent& event)
+{
+ wxEvtHandler * const realHandler = m_handler ? m_handler : handler;
+
+ (realHandler->*m_method)(event);
+}
+
// ----------------------------------------------------------------------------
// wxEventConnectionRef represents all connections between two event handlers
// and enables automatic disconnect when an event handler sink goes out of
typedef void (wxEvtHandler::*wxEventFunction)(wxEvent&);
typedef void (wxEvtHandler::*wxIdleEventFunction)(wxIdleEvent&);
+typedef void (wxEvtHandler::*wxThreadEventFunction)(wxThreadEvent&);
#define wxEventHandler(func) \
wxEVENT_HANDLER_CAST(wxEventFunction, func)
#define wxIdleEventHandler(func) \
wxEVENT_HANDLER_CAST(wxIdleEventFunction, func)
+#define wxThreadEventHandler(func) \
+ wxEVENT_HANDLER_CAST(wxThreadEventFunction, func)
#if wxUSE_GUI
};
typedef void (wxEvtHandler::*wxCommandEventFunction)(wxCommandEvent&);
-typedef void (wxEvtHandler::*wxThreadEventFunction)(wxThreadEvent&);
typedef void (wxEvtHandler::*wxScrollEventFunction)(wxScrollEvent&);
typedef void (wxEvtHandler::*wxScrollWinEventFunction)(wxScrollWinEvent&);
typedef void (wxEvtHandler::*wxSizeEventFunction)(wxSizeEvent&);
#define wxCommandEventHandler(func) \
wxEVENT_HANDLER_CAST(wxCommandEventFunction, func)
-#define wxThreadEventHandler(func) \
- wxEVENT_HANDLER_CAST(wxThreadEventFunction, func)
#define wxScrollEventHandler(func) \
wxEVENT_HANDLER_CAST(wxScrollEventFunction, func)
#define wxScrollWinEventHandler(func) \
// N.B. In GNU-WIN32, you *have* to take the address of a member function
// (use &) or the compiler crashes...
-#define DECLARE_EVENT_TABLE() \
- private: \
- static const wxEventTableEntry sm_eventTableEntries[]; \
- protected: \
- static const wxEventTable sm_eventTable; \
- virtual const wxEventTable* GetEventTable() const; \
- static wxEventHashTable sm_eventHashTable; \
- virtual wxEventHashTable& GetEventHashTable() const;
+#define wxDECLARE_EVENT_TABLE() \
+ private: \
+ static const wxEventTableEntry sm_eventTableEntries[]; \
+ protected: \
+ static const wxEventTable sm_eventTable; \
+ virtual const wxEventTable* GetEventTable() const; \
+ static wxEventHashTable sm_eventHashTable; \
+ virtual wxEventHashTable& GetEventHashTable() const
// N.B.: when building DLL with Borland C++ 5.5 compiler, you must initialize
// sm_eventTable before using it in GetEventTable() or the compiler gives
// E2233 (see http://groups.google.com/groups?selm=397dcc8a%241_2%40dnews)
-#define BEGIN_EVENT_TABLE(theClass, baseClass) \
+#define wxBEGIN_EVENT_TABLE(theClass, baseClass) \
const wxEventTable theClass::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass::sm_eventTableEntries[0] }; \
const wxEventTable *theClass::GetEventTable() const \
{ return theClass::sm_eventHashTable; } \
const wxEventTableEntry theClass::sm_eventTableEntries[] = { \
-#define BEGIN_EVENT_TABLE_TEMPLATE1(theClass, baseClass, T1) \
+#define wxBEGIN_EVENT_TABLE_TEMPLATE1(theClass, baseClass, T1) \
template<typename T1> \
const wxEventTable theClass<T1>::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass<T1>::sm_eventTableEntries[0] }; \
template<typename T1> \
const wxEventTableEntry theClass<T1>::sm_eventTableEntries[] = { \
-#define BEGIN_EVENT_TABLE_TEMPLATE2(theClass, baseClass, T1, T2) \
+#define wxBEGIN_EVENT_TABLE_TEMPLATE2(theClass, baseClass, T1, T2) \
template<typename T1, typename T2> \
const wxEventTable theClass<T1, T2>::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass<T1, T2>::sm_eventTableEntries[0] }; \
template<typename T1, typename T2> \
const wxEventTableEntry theClass<T1, T2>::sm_eventTableEntries[] = { \
-#define BEGIN_EVENT_TABLE_TEMPLATE3(theClass, baseClass, T1, T2, T3) \
+#define wxBEGIN_EVENT_TABLE_TEMPLATE3(theClass, baseClass, T1, T2, T3) \
template<typename T1, typename T2, typename T3> \
const wxEventTable theClass<T1, T2, T3>::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass<T1, T2, T3>::sm_eventTableEntries[0] }; \
template<typename T1, typename T2, typename T3> \
const wxEventTableEntry theClass<T1, T2, T3>::sm_eventTableEntries[] = { \
-#define BEGIN_EVENT_TABLE_TEMPLATE4(theClass, baseClass, T1, T2, T3, T4) \
+#define wxBEGIN_EVENT_TABLE_TEMPLATE4(theClass, baseClass, T1, T2, T3, T4) \
template<typename T1, typename T2, typename T3, typename T4> \
const wxEventTable theClass<T1, T2, T3, T4>::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass<T1, T2, T3, T4>::sm_eventTableEntries[0] }; \
template<typename T1, typename T2, typename T3, typename T4> \
const wxEventTableEntry theClass<T1, T2, T3, T4>::sm_eventTableEntries[] = { \
-#define BEGIN_EVENT_TABLE_TEMPLATE5(theClass, baseClass, T1, T2, T3, T4, T5) \
+#define wxBEGIN_EVENT_TABLE_TEMPLATE5(theClass, baseClass, T1, T2, T3, T4, T5) \
template<typename T1, typename T2, typename T3, typename T4, typename T5> \
const wxEventTable theClass<T1, T2, T3, T4, T5>::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass<T1, T2, T3, T4, T5>::sm_eventTableEntries[0] }; \
template<typename T1, typename T2, typename T3, typename T4, typename T5> \
const wxEventTableEntry theClass<T1, T2, T3, T4, T5>::sm_eventTableEntries[] = { \
-#define BEGIN_EVENT_TABLE_TEMPLATE7(theClass, baseClass, T1, T2, T3, T4, T5, T6, T7) \
+#define wxBEGIN_EVENT_TABLE_TEMPLATE7(theClass, baseClass, T1, T2, T3, T4, T5, T6, T7) \
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7> \
const wxEventTable theClass<T1, T2, T3, T4, T5, T6, T7>::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass<T1, T2, T3, T4, T5, T6, T7>::sm_eventTableEntries[0] }; \
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7> \
const wxEventTableEntry theClass<T1, T2, T3, T4, T5, T6, T7>::sm_eventTableEntries[] = { \
-#define BEGIN_EVENT_TABLE_TEMPLATE8(theClass, baseClass, T1, T2, T3, T4, T5, T6, T7, T8) \
+#define wxBEGIN_EVENT_TABLE_TEMPLATE8(theClass, baseClass, T1, T2, T3, T4, T5, T6, T7, T8) \
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8> \
const wxEventTable theClass<T1, T2, T3, T4, T5, T6, T7, T8>::sm_eventTable = \
{ &baseClass::sm_eventTable, &theClass<T1, T2, T3, T4, T5, T6, T7, T8>::sm_eventTableEntries[0] }; \
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8> \
const wxEventTableEntry theClass<T1, T2, T3, T4, T5, T6, T7, T8>::sm_eventTableEntries[] = { \
-#define END_EVENT_TABLE() DECLARE_EVENT_TABLE_TERMINATOR() };
+#define wxEND_EVENT_TABLE() \
+ wxDECLARE_EVENT_TABLE_TERMINATOR() };
/*
* Event table macros
// - id1, id2 ids of the first/last id
// - fn the function (should be cast to the right type)
#define wx__DECLARE_EVT2(evt, id1, id2, fn) \
- DECLARE_EVENT_TABLE_ENTRY(evt, id1, id2, fn, NULL),
+ wxDECLARE_EVENT_TABLE_ENTRY(evt, id1, id2, fn, NULL),
#define wx__DECLARE_EVT1(evt, id, fn) \
wx__DECLARE_EVT2(evt, id, wxID_ANY, fn)
#define wx__DECLARE_EVT0(evt, fn) \
#define EVT_TEXT_PASTE(winid, func) wx__DECLARE_EVT1(wxEVT_COMMAND_TEXT_PASTE, winid, wxClipboardTextEventHandler(func))
// Thread events
-#define EVT_THREAD(id, func) wx__DECLARE_EVT1(wxEVT_COMMAND_THREAD, id, wxThreadEventHandler(func))
+#define EVT_THREAD(id, func) wx__DECLARE_EVT1(wxEVT_THREAD, id, wxThreadEventHandler(func))
+// alias for backward compatibility with 2.9.0:
+#define wxEVT_COMMAND_THREAD wxEVT_THREAD
// ----------------------------------------------------------------------------
// Helper functions
#ifdef wxHAS_EVENT_BIND
#define wxBIND_OR_CONNECT_HACK_BASE_CLASS
#define wxBIND_OR_CONNECT_HACK_ONLY_BASE_CLASS
- #define wxBIND_OR_CONNECT_HACK(w, evt, handler, func, obj) \
+ #define wxBIND_OR_CONNECT_HACK(win, evt, handler, func, obj) \
win->Bind(evt, &func, obj)
#else // wxHAS_EVENT_BIND
#define wxBIND_OR_CONNECT_HACK_BASE_CLASS public wxEvtHandler,
#define wxBIND_OR_CONNECT_HACK_ONLY_BASE_CLASS : public wxEvtHandler
- #define wxBIND_OR_CONNECT_HACK(w, evt, handler, func, obj) \
+ #define wxBIND_OR_CONNECT_HACK(win, evt, handler, func, obj) \
win->Connect(evt, handler(func), NULL, obj)
#endif // wxHAS_EVENT_BIND
#endif // wxUSE_GUI
+
+// ----------------------------------------------------------------------------
+// Compatibility macro aliases
+// ----------------------------------------------------------------------------
+
+// deprecated variants _not_ requiring a semicolon after them and without wx prefix
+// (note that also some wx-prefixed macro do _not_ require a semicolon because
+// it's not always possible to force the compire to require it)
+
+#define DECLARE_EVENT_TABLE_ENTRY(type, winid, idLast, fn, obj) \
+ wxDECLARE_EVENT_TABLE_ENTRY(type, winid, idLast, fn, obj)
+#define DECLARE_EVENT_TABLE_TERMINATOR() wxDECLARE_EVENT_TABLE_TERMINATOR()
+#define DECLARE_EVENT_TABLE() wxDECLARE_EVENT_TABLE();
+#define BEGIN_EVENT_TABLE(a,b) wxBEGIN_EVENT_TABLE(a,b)
+#define BEGIN_EVENT_TABLE_TEMPLATE1(a,b,c) wxBEGIN_EVENT_TABLE_TEMPLATE1(a,b,c)
+#define BEGIN_EVENT_TABLE_TEMPLATE2(a,b,c,d) wxBEGIN_EVENT_TABLE_TEMPLATE1(a,b,c,d)
+#define BEGIN_EVENT_TABLE_TEMPLATE3(a,b,c,d,e) wxBEGIN_EVENT_TABLE_TEMPLATE1(a,b,c,d,e)
+#define BEGIN_EVENT_TABLE_TEMPLATE4(a,b,c,d,e,f) wxBEGIN_EVENT_TABLE_TEMPLATE1(a,b,c,d,e,f)
+#define BEGIN_EVENT_TABLE_TEMPLATE5(a,b,c,d,e,f,g) wxBEGIN_EVENT_TABLE_TEMPLATE1(a,b,c,d,e,f,g)
+#define BEGIN_EVENT_TABLE_TEMPLATE6(a,b,c,d,e,f,g,h) wxBEGIN_EVENT_TABLE_TEMPLATE1(a,b,c,d,e,f,g,h)
+#define END_EVENT_TABLE() wxEND_EVENT_TABLE()
+
+// other obsolete event declaration/definition macros; we don't need them any longer
+// but we keep them for compatibility as it doesn't cost us anything anyhow
+#define BEGIN_DECLARE_EVENT_TYPES()
+#define END_DECLARE_EVENT_TYPES()
+#define DECLARE_EXPORTED_EVENT_TYPE(expdecl, name, value) \
+ extern expdecl const wxEventType name;
+#define DECLARE_EVENT_TYPE(name, value) \
+ DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_CORE, name, value)
+#define DECLARE_LOCAL_EVENT_TYPE(name, value) \
+ DECLARE_EXPORTED_EVENT_TYPE(wxEMPTY_PARAMETER_VALUE, name, value)
+#define DEFINE_EVENT_TYPE(name) const wxEventType name = wxNewEventType();
+#define DEFINE_LOCAL_EVENT_TYPE(name) DEFINE_EVENT_TYPE(name)
+
#endif // _WX_EVENT_H_
projects / wxWidgets.git / blobdiff