// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef _WX_EVENT_H__
-#define _WX_EVENT_H__
+#ifndef _WX_EVENT_H_
+#define _WX_EVENT_H_
#include "wx/defs.h"
#include "wx/cpp.h"
#if wxUSE_GUI
#include "wx/gdicmn.h"
#include "wx/cursor.h"
+ #include "wx/mousestate.h"
#endif
+#include "wx/dynarray.h"
#include "wx/thread.h"
+#include "wx/tracker.h"
-#include "wx/dynarray.h"
+#if !wxEVENTS_COMPATIBILITY_2_8
+ #include "wx/meta/convertible.h"
+#endif
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_BASE wxList;
-
+class WXDLLIMPEXP_FWD_BASE wxEvent;
#if wxUSE_GUI
class WXDLLIMPEXP_FWD_CORE wxDC;
class WXDLLIMPEXP_FWD_CORE wxMenu;
class WXDLLIMPEXP_FWD_CORE wxWindowBase;
#endif // wxUSE_GUI
-class WXDLLIMPEXP_FWD_BASE wxEvtHandler;
+// We operate with pointer to members of wxEvtHandler (such functions are used
+// as event handlers in the event tables or as arguments to Connect()) but by
+// default MSVC uses a restricted (but more efficient) representation of
+// pointers to members which can't deal with multiple base classes. To avoid
+// mysterious (as the compiler is not good enough to detect this and give a
+// sensible error message) errors in the user code as soon as it defines
+// classes inheriting from both wxEvtHandler (possibly indirectly, e.g. via
+// wxWindow) and something else (including our own wxTrackable but not limited
+// to it), we use the special MSVC keyword telling the compiler to use a more
+// general pointer to member representation for the classes inheriting from
+// wxEvtHandler.
+#ifdef __VISUALC__
+ #define wxMSVC_FWD_MULTIPLE_BASES __multiple_inheritance
+#else
+ #define wxMSVC_FWD_MULTIPLE_BASES
+#endif
+
+class WXDLLIMPEXP_FWD_BASE wxMSVC_FWD_MULTIPLE_BASES wxEvtHandler;
+class wxEventConnectionRef;
// ----------------------------------------------------------------------------
// Event types
#define wxEVT_ANY ((wxEventType)-1)
// this is used to make the event table entry type safe, so that for an event
-// handler only a function with proper parameter list can be given.
-#define wxStaticCastEvent(type, val) wx_static_cast(type, val)
-
-// in previous versions of wxWidgets the event types used to be constants
-// which created difficulties with custom/user event types definition
-//
-// starting from wxWidgets 2.4 the event types are now dynamically assigned
-// using wxNewEventType() which solves this problem, however at price of
-// several incompatibilities:
-//
-// a) event table macros declaration changed, it now uses wxEventTableEntry
-// ctor instead of initialisation from an agregate - the macro
-// DECLARE_EVENT_TABLE_ENTRY may be used to write code which can compile
-// with all versions of wxWidgets
-//
-// b) event types can't be used as switch() cases as they're not really
-// constant any more - there is no magic solution here, you just have to
-// change the switch()es to if()s
-//
-// if these are real problems for you, define WXWIN_COMPATIBILITY_EVENT_TYPES
-// as 1 to get 100% old behaviour, however you won't be able to use the
-// libraries using the new dynamic event type allocation in such case, so avoid
-// it if possible.
-#ifndef WXWIN_COMPATIBILITY_EVENT_TYPES
- #define WXWIN_COMPATIBILITY_EVENT_TYPES 0
-#endif
-
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
+// handler only a function with proper parameter list can be given. See also
+// the wxEVENT_HANDLER_CAST-macro.
+#define wxStaticCastEvent(type, val) static_cast<type>(val)
#define DECLARE_EVENT_TABLE_ENTRY(type, winid, idLast, fn, obj) \
- { type, winid, idLast, fn, obj }
-
-#define BEGIN_DECLARE_EVENT_TYPES() enum {
-#define END_DECLARE_EVENT_TYPES() };
-#define DECLARE_EVENT_TYPE(name, value) name = wxEVT_FIRST + value,
-#define DECLARE_LOCAL_EVENT_TYPE(name, value) name = wxEVT_USER_FIRST + value,
-#define DECLARE_EXPORTED_EVENT_TYPE(expdecl, name, value) \
- DECLARE_LOCAL_EVENT_TYPE(name, value)
-#define DEFINE_EVENT_TYPE(name)
-#define DEFINE_LOCAL_EVENT_TYPE(name)
-
+ wxEventTableEntry(type, winid, idLast, wxNewEventFunctor(type, fn), obj)
-#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
-
-#define DECLARE_EVENT_TABLE_ENTRY(type, winid, idLast, fn, obj) \
- wxEventTableEntry(type, winid, idLast, fn, obj)
+#define DECLARE_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) \
// generate a new unique event type
extern WXDLLIMPEXP_BASE wxEventType wxNewEventType();
-#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
-
-BEGIN_DECLARE_EVENT_TYPES()
-
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
- wxEVT_NULL = 0,
- wxEVT_FIRST = 10000,
- wxEVT_USER_FIRST = wxEVT_FIRST + 2000,
-#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
- // it is important to still have these as constants to avoid
- // initialization order related problems
- DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_BASE, wxEVT_NULL, 0)
- DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_BASE, wxEVT_FIRST, 10000)
- DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_BASE, wxEVT_USER_FIRST, wxEVT_FIRST + 2000)
-#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
-
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED, 1)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED, 2)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED, 3)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED, 4)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, 5)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, 6)
- // now they are in wx/textctrl.h
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED, 7)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER, 8)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL, 13)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN, 14)
-#endif // WXWIN_COMPATIBILITY_EVENT_TYPES
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED, 9)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED, 10)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED, 11)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED, 12)
-
- // wxEVT_COMMAND_SCROLLBAR_UPDATED is now obsolete since we use
- // wxEVT_SCROLL... events
-
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED, 13)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED, 14)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED, 15)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED, 16)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER, 17)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED, 18)
-
- // Toolbar dropdown arrows
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED, 19)
-
- // Sockets and timers send events, too
- DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_BASE, wxEVT_SOCKET, 50)
- DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_BASE, wxEVT_TIMER , 80)
-
- // Mouse event types
- DECLARE_EVENT_TYPE(wxEVT_LEFT_DOWN, 100)
- DECLARE_EVENT_TYPE(wxEVT_LEFT_UP, 101)
- DECLARE_EVENT_TYPE(wxEVT_MIDDLE_DOWN, 102)
- DECLARE_EVENT_TYPE(wxEVT_MIDDLE_UP, 103)
- DECLARE_EVENT_TYPE(wxEVT_RIGHT_DOWN, 104)
- DECLARE_EVENT_TYPE(wxEVT_RIGHT_UP, 105)
- DECLARE_EVENT_TYPE(wxEVT_MOTION, 106)
- DECLARE_EVENT_TYPE(wxEVT_ENTER_WINDOW, 107)
- DECLARE_EVENT_TYPE(wxEVT_LEAVE_WINDOW, 108)
- DECLARE_EVENT_TYPE(wxEVT_LEFT_DCLICK, 109)
- DECLARE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK, 110)
- DECLARE_EVENT_TYPE(wxEVT_RIGHT_DCLICK, 111)
- DECLARE_EVENT_TYPE(wxEVT_SET_FOCUS, 112)
- DECLARE_EVENT_TYPE(wxEVT_KILL_FOCUS, 113)
- DECLARE_EVENT_TYPE(wxEVT_CHILD_FOCUS, 114)
- DECLARE_EVENT_TYPE(wxEVT_MOUSEWHEEL, 115)
- DECLARE_EVENT_TYPE(wxEVT_AUX1_DOWN, 116)
- DECLARE_EVENT_TYPE(wxEVT_AUX1_UP, 117)
- DECLARE_EVENT_TYPE(wxEVT_AUX1_DCLICK, 118)
- DECLARE_EVENT_TYPE(wxEVT_AUX2_DOWN, 119)
- DECLARE_EVENT_TYPE(wxEVT_AUX2_UP, 120)
- DECLARE_EVENT_TYPE(wxEVT_AUX2_DCLICK, 121)
-
- // Non-client mouse events
- DECLARE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN, 200)
- DECLARE_EVENT_TYPE(wxEVT_NC_LEFT_UP, 201)
- DECLARE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN, 202)
- DECLARE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP, 203)
- DECLARE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN, 204)
- DECLARE_EVENT_TYPE(wxEVT_NC_RIGHT_UP, 205)
- DECLARE_EVENT_TYPE(wxEVT_NC_MOTION, 206)
- DECLARE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW, 207)
- DECLARE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW, 208)
- DECLARE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK, 209)
- DECLARE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK, 210)
- DECLARE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK, 211)
-
- // Character input event type
- DECLARE_EVENT_TYPE(wxEVT_CHAR, 212)
- DECLARE_EVENT_TYPE(wxEVT_CHAR_HOOK, 213)
- DECLARE_EVENT_TYPE(wxEVT_NAVIGATION_KEY, 214)
- DECLARE_EVENT_TYPE(wxEVT_KEY_DOWN, 215)
- DECLARE_EVENT_TYPE(wxEVT_KEY_UP, 216)
+// New macros to create templatized event types:
+
+#if wxEVENTS_COMPATIBILITY_2_8
+
+ // Define/Declare a wxEventType-based event type:
+
+ #define wxDEFINE_EVENT( name, type ) \
+ const wxEventType name( wxNewEventType() )
+
+ #define wxDECLARE_EXPORTED_EVENT( expdecl, name, type ) \
+ extern const expdecl wxEventType name
+
+ // Define/Declare a wxEventType-based event type and initialize it with a
+ // predefined event type. (Only used for wxEVT_SPIN_XXX for backward
+ // compatibility)
+
+ #define wxDEFINE_EVENT_ALIAS( name, type, value ) \
+ const wxEventType name = value
+
+ #define wxDECLARE_EXPORTED_EVENT_ALIAS( expdecl, name, type ) \
+ extern const expdecl wxEventType name
+
+ // Declare a local (not exported) wxEventType-based event type:
+
+ #define wxDECLARE_EVENT( name, type ) \
+ wxDECLARE_EXPORTED_EVENT( wxEMPTY_PARAMETER_VALUE, name, type );
+
+#else
+ // Define/Declare a templatized event type with the corresponding event as
+ // a nested typedef:
+
+ #define wxDEFINE_EVENT( name, type ) \
+ const wxEventTypeTag< type > name( wxNewEventType() )
+
+ #define wxDECLARE_EXPORTED_EVENT( expdecl, name, type ) \
+ extern const expdecl wxEventTypeTag< type > name
+
+ // Define/Declare a templatized event type and initialize it with a
+ // predefined event type. (Only used for wxEVT_SPIN_XXX for backward
+ // compatibility)
+
+ #define wxDEFINE_EVENT_ALIAS( name, type, value ) \
+ const wxEventTypeTag< type > name( value )
+
+ #define wxDECLARE_EXPORTED_EVENT_ALIAS( expdecl, name, type ) \
+ extern const expdecl wxEventTypeTag< type > name
+
+ // Declare a local (not exported) templatized event type:
+
+ #define wxDECLARE_EVENT( name, type ) \
+ wxDECLARE_EXPORTED_EVENT( wxEMPTY_PARAMETER_VALUE, name, type );
+
+#endif
+
+// Try to cast the given event handler to the correct handler type:
+
+#define wxEVENT_HANDLER_CAST( functype, func ) \
+ ( wxObjectEventFunction )( wxEventFunction )wxStaticCastEvent( functype, &func )
+
+// Template which associates the correct event object with the event type
+
+#if !wxEVENTS_COMPATIBILITY_2_8
+
+// The tag is a type associated to the event type (which is an integer itself,
+// in spite of its name) value. It exists in order to be used as a template
+// parameter and provide a mapping between the event type values and their
+// corresponding wxEvent-derived classes.
+template <typename T>
+class wxEventTypeTag
+{
+public:
+ // The class of wxEvent-derived class carried by the events of this type.
+ typedef T EventClass;
+
+ wxEventTypeTag(wxEventType type) { m_type = type; }
+
+ // Return a wxEventType reference for the initialization of the static
+ // event tables. See wxEventTableEntry::m_eventType for a more thorough
+ // explanation.
+ operator const wxEventType&() const { return m_type; }
+
+private:
+ wxEventType m_type;
+};
+
+#endif // !wxEVENTS_COMPATIBILITY_2_8
+
+// These are needed for the functor definitions
+typedef void (wxEvtHandler::*wxEventFunction)(wxEvent&);
+
+// We had some trouble (specifically with eVC for ARM WinCE build) with using
+// wxEventFunction in the past so we had introduced wxObjectEventFunction which
+// used to be a typedef for a member of wxObject and not wxEvtHandler to work
+// around this but as eVC is not really supported any longer we now only keep
+// this for backwards compatibility and, despite its name, this is a typedef
+// for wxEvtHandler member now -- but if we have the same problem with another
+// compiler we can restore its old definition for it.
+typedef wxEventFunction wxObjectEventFunction;
+
+
+// The event functor which is stored in the static and dynamic event tables:
+class WXDLLIMPEXP_BASE wxEventFunctor
+{
+public:
+ virtual ~wxEventFunctor();
+
+ // Invoke the actual event handler:
+ virtual void operator()(wxEvtHandler *, wxEvent&) = 0;
+
+ // this function tests whether this functor is matched, for the purpose of
+ // finding it in an event table in Disconnect(), by the given func
+ virtual bool Matches(const wxEventFunctor& func) const = 0;
+
+ // these functions are used for functors comparison in Matches()
+ virtual void *GetHandler() const { return GetEvtHandler(); }
+ virtual wxEventFunction GetMethod() const { return NULL; }
+
+ // this one is also used elsewhere in the code and should be overridden to
+ // return non-NULL if we are indeed associated with an wxEvtHandler
+ virtual wxEvtHandler *GetEvtHandler() const { return NULL; }
+};
+
+// A plain method functor: notice that it is used even with the new events as
+// it is reused as a specialization of wxEventFunctorMethod for legacy untyped
+// event types
+class WXDLLIMPEXP_BASE wxObjectEventFunctor : public wxEventFunctor
+{
+public:
+ wxObjectEventFunctor(wxObjectEventFunction method, wxEvtHandler *handler)
+ {
+ m_handler = handler;
+ m_method = method;
+ }
+
+ virtual void operator()(wxEvtHandler *handler, wxEvent& event);
+
+ virtual bool Matches(const wxEventFunctor& func) const
+ {
+ void * const handler = func.GetHandler();
+ if ( handler && GetHandler() != handler )
+ return false;
+
+ const wxEventFunction method = GetMethod();
+
+ // FIXME-VC6: amazing but true: replacing "method == NULL" here with
+ // "!method" makes VC6 crash with an ICE in DLL build (only!)
+ return method == NULL || GetMethod() == method;
+ }
+
+ virtual wxEvtHandler *GetEvtHandler() const { return m_handler; }
+ virtual wxEventFunction GetMethod() const { return m_method; }
+
+private:
+ wxEvtHandler *m_handler;
+ wxEventFunction m_method;
+};
+
+#if wxEVENTS_COMPATIBILITY_2_8
+
+// Create a functor for the legacy events: handler can be NULL and its default
+// value is used by the event table macros
+
+inline wxObjectEventFunctor *
+wxNewEventFunctor(const wxEventType& WXUNUSED(evtType),
+ wxObjectEventFunction method,
+ wxEvtHandler *handler = NULL)
+{
+ return new wxObjectEventFunctor(method, handler);
+}
+
+inline wxObjectEventFunctor
+wxMakeEventFunctor(const wxEventType& WXUNUSED(evtType),
+ wxObjectEventFunction method,
+ wxEvtHandler *handler)
+{
+ return wxObjectEventFunctor(method, handler);
+}
+
+#else // !wxEVENTS_COMPATIBILITY_2_8
+
+// functor forwarding the event to anything callable (function, static method,
+// generalized functor...)
+template <typename EventTag, typename Functor>
+class wxEventFunctorFunction : public wxEventFunctor
+{
+public:
+ typedef typename EventTag::EventClass EventArg;
+
+ wxEventFunctorFunction(Functor handler)
+ {
+ m_handler = handler;
+ }
+
+ virtual void operator()(wxEvtHandler *WXUNUSED(handler), wxEvent& event)
+ {
+ m_handler(static_cast<EventArg&>(event));
+ }
+
+ virtual bool Matches(const wxEventFunctor& WXUNUSED(func)) const
+ {
+ // we have no way to compare arbitrary functors so just consider them
+ // to be equal: this means that disconnecting a functor will always
+ // find the last functor connected which in turn implies that it's
+ // probably a bad idea to connect more than one functor if you plan to
+ // disconnect them but this limitation doesn't seem very important in
+ // practice
+ return true;
+ }
+
+private:
+ Functor m_handler;
+};
+
+namespace wxPrivate
+{
+
+// helper template defining nested "type" typedef as the event class
+// corresponding to the given event type
+template <typename T> struct EventClassOf;
+
+// the typed events provide the information about the class of the events they
+// carry themselves:
+template <typename T>
+struct EventClassOf< wxEventTypeTag<T> >
+{
+ typedef typename wxEventTypeTag<T>::EventClass type;
+};
+
+// for the old untyped events we don't have information about the exact event
+// class carried by them
+template <>
+struct EventClassOf<wxEventType>
+{
+ typedef wxEvent type;
+};
+
+
+// helper class defining operations different for method functors using an
+// object of wxEvtHandler-derived class as handler and the others
+template <typename T, typename A, bool> struct HandlerImpl;
+
+// specialization for handlers deriving from wxEvtHandler
+template <typename T, typename A>
+struct HandlerImpl<T, A, true>
+{
+ static bool IsEvtHandler()
+ { return true; }
+ static T *ConvertFromEvtHandler(wxEvtHandler *p)
+ { return static_cast<T *>(p); }
+ static wxEvtHandler *ConvertToEvtHandler(T *p)
+ { return p; }
+ static wxEventFunction ConvertToEvtFunction(void (T::*f)(A&))
+ { return static_cast<wxEventFunction>(
+ reinterpret_cast<void (T::*)(wxEvent&)>(f)); }
+};
+
+// specialization for handlers not deriving from wxEvtHandler
+template <typename T, typename A>
+struct HandlerImpl<T, A, false>
+{
+ static bool IsEvtHandler()
+ { return false; }
+ static T *ConvertFromEvtHandler(wxEvtHandler *)
+ { return NULL; }
+ static wxEvtHandler *ConvertToEvtHandler(T *)
+ { return NULL; }
+ static wxEventFunction ConvertToEvtFunction(void (T::*)(A&))
+ { return NULL; }
+};
+
+} // namespace wxPrivate
+
+// functor forwarding the event to a method of the given object
+//
+// notice that the object class may be different from the class in which the
+// method is defined but it must be convertible to this class
+//
+// 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 ObjClass>
+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&), ObjClass *handler)
+ {
+ 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));
+
+ m_handler = handler;
+ m_method = method;
+ }
+
+ 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 Matches(const wxEventFunctor& func) const
+ {
+ void * const handler = func.GetHandler();
+ if ( handler && GetHandler() != handler )
+ return false;
+
+ const wxEventFunction method = GetMethod();
+ return !method || GetMethod() == method;
+ }
+
+ virtual void *GetHandler() const
+ {
+ return m_handler;
+ }
+
+ virtual wxEventFunction GetMethod() const
+ {
+ return this->ConvertToEvtFunction(m_method);
+ }
+
+ virtual wxEvtHandler *GetEvtHandler() const
+ {
+ return this->ConvertToEvtHandler(m_handler);
+ }
+
+private:
+ ObjClass *m_handler;
+ void (Class::*m_method)(EventArg&);
+};
+
+
+//
+// Create functors for the templatized events, either allocated on the heap for
+// wxNewXXX() variants (this is needed in wxEvtHandler::Connect() to store them
+// in dynamic event table) or just by returning them as temporary objects (this
+// is enough for Disconnect() and we allocate unnecessary heap allocation like
+// this)
+
+
+// Create functors wrapping other functors (including functions):
+template <typename EventTag, typename Functor>
+inline wxEventFunctorFunction<EventTag, Functor> *
+wxNewEventFunctor(const EventTag&, Functor func)
+{
+ return new wxEventFunctorFunction<EventTag, Functor>(func);
+}
+
+template <typename EventTag, typename Functor>
+inline wxEventFunctorFunction<EventTag, Functor>
+wxMakeEventFunctor(const EventTag&, Functor func)
+{
+ return wxEventFunctorFunction<EventTag, Functor>(func);
+}
+
+
+// Create functors for methods:
+template
+ <typename EventTag, typename Class, typename EventArg, typename ObjClass>
+inline wxEventFunctorMethod<EventTag, Class, EventArg, ObjClass> *
+wxNewEventFunctor(const EventTag&,
+ void (Class::*method)(EventArg&),
+ ObjClass *handler)
+{
+ return new wxEventFunctorMethod<EventTag, Class, EventArg, ObjClass>(
+ method, handler);
+}
+
+template
+ <typename EventTag, typename Class, typename EventArg, typename ObjClass>
+inline wxEventFunctorMethod<EventTag, Class, EventArg, ObjClass>
+wxMakeEventFunctor(const EventTag&,
+ void (Class::*method)(EventArg&),
+ ObjClass *handler)
+{
+ return wxEventFunctorMethod<EventTag, Class, EventArg, ObjClass>(
+ method, handler);
+}
+
+// Special case for the wxNewEventFunctor() calls used inside the event table
+// macros: they don't specify the handler so ObjClass can't be deduced
+template <typename EventTag, typename Class, typename EventArg>
+inline wxEventFunctorMethod<EventTag, Class, EventArg, Class> *
+wxNewEventFunctor(const EventTag&, void (Class::*method)(EventArg&))
+{
+ return new wxEventFunctorMethod<EventTag, Class, EventArg, Class>(
+ method, NULL);
+}
+
+template
+ <typename EventTag, typename Class, typename EventArg, typename ObjClass>
+inline wxEventFunctorMethod<EventTag, Class, EventArg, Class>
+wxMakeEventFunctor(const EventTag&, void (Class::*method)(EventArg&))
+{
+ return wxEventFunctorMethod<EventTag, Class, EventArg, Class>(
+ method, NULL);
+}
+
+#endif // !wxEVENTS_COMPATIBILITY_2_8
+
+
+// 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_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 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 wxIdleEvent;
+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);
+
+ // Thread events
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_THREAD, wxThreadEvent);
+
+ // 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
- DECLARE_EVENT_TYPE(wxEVT_HOTKEY, 217)
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_HOTKEY, wxKeyEvent);
#endif
- // Set cursor event
- DECLARE_EVENT_TYPE(wxEVT_SET_CURSOR, 230)
-
- // wxScrollBar and wxSlider event identifiers
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_TOP, 300)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM, 301)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_LINEUP, 302)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN, 303)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP, 304)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN, 305)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK, 306)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE, 307)
- DECLARE_EVENT_TYPE(wxEVT_SCROLL_CHANGED, 308)
-
- // Scroll events from wxWindow
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP, 320)
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM, 321)
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP, 322)
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN, 323)
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP, 324)
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN, 325)
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK, 326)
- DECLARE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE, 327)
-
- // System events
- DECLARE_EVENT_TYPE(wxEVT_SIZE, 400)
- DECLARE_EVENT_TYPE(wxEVT_MOVE, 401)
- DECLARE_EVENT_TYPE(wxEVT_CLOSE_WINDOW, 402)
- DECLARE_EVENT_TYPE(wxEVT_END_SESSION, 403)
- DECLARE_EVENT_TYPE(wxEVT_QUERY_END_SESSION, 404)
- DECLARE_EVENT_TYPE(wxEVT_ACTIVATE_APP, 405)
- // 406..408 are power events
- DECLARE_EVENT_TYPE(wxEVT_ACTIVATE, 409)
- DECLARE_EVENT_TYPE(wxEVT_CREATE, 410)
- DECLARE_EVENT_TYPE(wxEVT_DESTROY, 411)
- DECLARE_EVENT_TYPE(wxEVT_SHOW, 412)
- DECLARE_EVENT_TYPE(wxEVT_ICONIZE, 413)
- DECLARE_EVENT_TYPE(wxEVT_MAXIMIZE, 414)
- DECLARE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED, 415)
- DECLARE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_LOST, 416)
- DECLARE_EVENT_TYPE(wxEVT_PAINT, 417)
- DECLARE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND, 418)
- DECLARE_EVENT_TYPE(wxEVT_NC_PAINT, 419)
- DECLARE_EVENT_TYPE(wxEVT_PAINT_ICON, 420)
- DECLARE_EVENT_TYPE(wxEVT_MENU_OPEN, 421)
- DECLARE_EVENT_TYPE(wxEVT_MENU_CLOSE, 422)
- DECLARE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT, 423)
- DECLARE_EVENT_TYPE(wxEVT_CONTEXT_MENU, 424)
- DECLARE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED, 425)
- DECLARE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED, 426)
- DECLARE_EVENT_TYPE(wxEVT_SETTING_CHANGED, 427)
- DECLARE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE, 428)
- DECLARE_EVENT_TYPE(wxEVT_PALETTE_CHANGED, 429)
- DECLARE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN, 430)
- DECLARE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP, 431)
- DECLARE_EVENT_TYPE(wxEVT_JOY_MOVE, 432)
- DECLARE_EVENT_TYPE(wxEVT_JOY_ZMOVE, 433)
- DECLARE_EVENT_TYPE(wxEVT_DROP_FILES, 434)
- DECLARE_EVENT_TYPE(wxEVT_DRAW_ITEM, 435)
- DECLARE_EVENT_TYPE(wxEVT_MEASURE_ITEM, 436)
- DECLARE_EVENT_TYPE(wxEVT_COMPARE_ITEM, 437)
- DECLARE_EVENT_TYPE(wxEVT_INIT_DIALOG, 438)
- DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_BASE, wxEVT_IDLE, 439)
- DECLARE_EVENT_TYPE(wxEVT_UPDATE_UI, 440)
- DECLARE_EVENT_TYPE(wxEVT_SIZING, 441)
- DECLARE_EVENT_TYPE(wxEVT_MOVING, 442)
- DECLARE_EVENT_TYPE(wxEVT_MOVE_START, 443)
- DECLARE_EVENT_TYPE(wxEVT_MOVE_END, 444)
- DECLARE_EVENT_TYPE(wxEVT_HIBERNATE, 445)
- // more power events follow -- see wx/power.h
-
- // Clipboard events
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_COPY, 446)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_CUT, 447)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_PASTE, 448)
-
- // Generic command events
- // Note: a click is a higher-level event than button down/up
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK, 500)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK, 501)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK, 502)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK, 503)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS, 504)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS, 505)
- DECLARE_EVENT_TYPE(wxEVT_COMMAND_ENTER, 506)
-
- // Help events
- DECLARE_EVENT_TYPE(wxEVT_HELP, 1050)
- DECLARE_EVENT_TYPE(wxEVT_DETAILED_HELP, 1051)
-
-END_DECLARE_EVENT_TYPES()
+ // Set cursor event
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SET_CURSOR, wxSetCursorEvent);
+
+ // wxScrollBar and wxSlider event identifiers
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_TOP, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_BOTTOM, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_LINEUP, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_LINEDOWN, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_PAGEUP, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_PAGEDOWN, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_THUMBTRACK, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_THUMBRELEASE, wxScrollEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLL_CHANGED, wxScrollEvent);
+
+// Due to a bug in older wx versions, wxSpinEvents were being sent with type of
+// wxEVT_SCROLL_LINEUP, wxEVT_SCROLL_LINEDOWN and wxEVT_SCROLL_THUMBTRACK. But
+// with the type-safe events in place, these event types are associated with
+// wxScrollEvent. To allow handling of spin events, new event types have been
+// defined in spinbutt.h/spinnbuttcmn.cpp. To maintain backward compatibility
+// the spin event types are being initialized with the scroll event types.
+
+#if wxUSE_SPINBTN
+
+wxDECLARE_EXPORTED_EVENT_ALIAS( WXDLLIMPEXP_CORE, wxEVT_SPIN_UP, wxSpinEvent );
+wxDECLARE_EXPORTED_EVENT_ALIAS( WXDLLIMPEXP_CORE, wxEVT_SPIN_DOWN, wxSpinEvent );
+wxDECLARE_EXPORTED_EVENT_ALIAS( WXDLLIMPEXP_CORE, wxEVT_SPIN, wxSpinEvent );
+
+#endif
+
+ // Scroll events from wxWindow
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_TOP, wxScrollWinEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_BOTTOM, wxScrollWinEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_LINEUP, wxScrollWinEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_LINEDOWN, wxScrollWinEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_PAGEUP, wxScrollWinEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_PAGEDOWN, wxScrollWinEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_THUMBTRACK, wxScrollWinEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SCROLLWIN_THUMBRELEASE, wxScrollWinEvent);
+
+ // System events
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SIZE, wxSizeEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOVE, wxMoveEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_CLOSE_WINDOW, wxCloseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_END_SESSION, wxCloseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_QUERY_END_SESSION, wxCloseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_ACTIVATE_APP, wxActivateEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_ACTIVATE, wxActivateEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_CREATE, wxWindowCreateEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_DESTROY, wxWindowDestroyEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SHOW, wxShowEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_ICONIZE, wxIconizeEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MAXIMIZE, wxMaximizeEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOUSE_CAPTURE_CHANGED, wxMouseCaptureChangedEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOUSE_CAPTURE_LOST, wxMouseCaptureLostEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_PAINT, wxPaintEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_ERASE_BACKGROUND, wxEraseEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_NC_PAINT, wxNcPaintEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MENU_OPEN, wxMenuEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MENU_CLOSE, wxMenuEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MENU_HIGHLIGHT, wxMenuEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_CONTEXT_MENU, wxContextMenuEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SYS_COLOUR_CHANGED, wxSysColourChangedEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_DISPLAY_CHANGED, wxDisplayChangedEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_QUERY_NEW_PALETTE, wxQueryNewPaletteEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_PALETTE_CHANGED, wxPaletteChangedEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_JOY_BUTTON_DOWN, wxJoystickEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_JOY_BUTTON_UP, wxJoystickEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_JOY_MOVE, wxJoystickEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_JOY_ZMOVE, wxJoystickEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_DROP_FILES, wxDropFilesEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_INIT_DIALOG, wxInitDialogEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_BASE, wxEVT_IDLE, wxIdleEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_UPDATE_UI, wxUpdateUIEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_SIZING, wxSizeEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOVING, wxMoveEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOVE_START, wxMoveEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_MOVE_END, wxMoveEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_HIBERNATE, wxActivateEvent);
+
+ // Clipboard events
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_COPY, wxClipboardTextEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_CUT, wxClipboardTextEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_PASTE, wxClipboardTextEvent);
+
+ // Generic command events
+ // Note: a click is a higher-level event than button down/up
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_LEFT_CLICK, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_LEFT_DCLICK, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_RIGHT_CLICK, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_RIGHT_DCLICK, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_SET_FOCUS, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_KILL_FOCUS, wxCommandEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_ENTER, wxCommandEvent);
+
+ // Help events
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_HELP, wxHelpEvent);
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_DETAILED_HELP, wxHelpEvent);
// these 2 events are the same
#define wxEVT_COMMAND_TOOL_CLICKED wxEVT_COMMAND_MENU_SELECTED
// wx/textctrl.h in all ports [yet], so declare it here as well
//
// still, any new code using it should include wx/textctrl.h explicitly
-#if !WXWIN_COMPATIBILITY_EVENT_TYPES
- extern const wxEventType WXDLLIMPEXP_CORE wxEVT_COMMAND_TEXT_UPDATED;
-#endif
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_UPDATED, wxCommandEvent);
+
+
+// ----------------------------------------------------------------------------
+// wxEvent(-derived) classes
+// ----------------------------------------------------------------------------
// the predefined constants for the number of times we propagate event
// upwards window child-parent chain
-enum Propagation_state
+enum wxEventPropagation
{
// don't propagate it at all
wxEVENT_PROPAGATE_NONE = 0,
wxEVENT_PROPAGATE_MAX = INT_MAX
};
+// The different categories for a wxEvent; see wxEvent::GetEventCategory.
+// NOTE: they are used as OR-combinable flags by wxEventLoopBase::YieldFor
+enum wxEventCategory
+{
+ // this is the category for those events which are generated to update
+ // the appearance of the GUI but which (usually) do not comport data
+ // processing, i.e. which do not provide input or output data
+ // (e.g. size events, scroll events, etc).
+ // They are events NOT directly generated by the user's input devices.
+ wxEVT_CATEGORY_UI = 1,
+
+ // this category groups those events which are generated directly from the
+ // user through input devices like mouse and keyboard and usually result in
+ // data to be processed from the application.
+ // (e.g. mouse clicks, key presses, etc)
+ wxEVT_CATEGORY_USER_INPUT = 2,
+
+ // this category is for wxSocketEvent
+ wxEVT_CATEGORY_SOCKET = 4,
+
+ // this category is for wxTimerEvent
+ wxEVT_CATEGORY_TIMER = 8,
+
+ // this category is for any event used to send notifications from the
+ // secondary threads to the main one or in general for notifications among
+ // different threads (which may or may not be user-generated)
+ wxEVT_CATEGORY_THREAD = 16,
+
+
+ // implementation only
+
+ // used in the implementations of wxEventLoopBase::YieldFor
+ wxEVT_CATEGORY_UNKNOWN = 32,
+
+ // a special category used as an argument to wxEventLoopBase::YieldFor to indicate that
+ // Yield() should leave all wxEvents on the queue while emptying the native event queue
+ // (native events will be processed but the wxEvents they generate will be queued)
+ wxEVT_CATEGORY_CLIPBOARD = 64,
+
+
+ // shortcut masks
+
+ // this category groups those events which are emitted in response to
+ // events of the native toolkit and which typically are not-"delayable".
+ wxEVT_CATEGORY_NATIVE_EVENTS = wxEVT_CATEGORY_UI|wxEVT_CATEGORY_USER_INPUT,
+
+ // used in wxEventLoopBase::YieldFor to specify all event categories should be processed:
+ wxEVT_CATEGORY_ALL =
+ wxEVT_CATEGORY_UI|wxEVT_CATEGORY_USER_INPUT|wxEVT_CATEGORY_SOCKET| \
+ wxEVT_CATEGORY_TIMER|wxEVT_CATEGORY_THREAD|wxEVT_CATEGORY_UNKNOWN| \
+ wxEVT_CATEGORY_CLIPBOARD
+};
+
/*
* wxWidgets events, covering all interesting things that might happen
* (button clicking, resizing, setting text in widgets, etc.).
class WXDLLIMPEXP_BASE wxEvent : public wxObject
{
-private:
- wxEvent& operator=(const wxEvent&);
-
-protected:
- wxEvent(const wxEvent&); // for implementing Clone()
-
public:
wxEvent(int winid = 0, wxEventType commandType = wxEVT_NULL );
void SetEventType(wxEventType typ) { m_eventType = typ; }
wxEventType GetEventType() const { return m_eventType; }
+
wxObject *GetEventObject() const { return m_eventObject; }
void SetEventObject(wxObject *obj) { m_eventObject = obj; }
+
long GetTimestamp() const { return m_timeStamp; }
void SetTimestamp(long ts = 0) { m_timeStamp = ts; }
+
int GetId() const { return m_id; }
void SetId(int Id) { m_id = Id; }
void Skip(bool skip = true) { m_skipped = skip; }
bool GetSkipped() const { return m_skipped; }
- // this function is used to create a copy of the event polymorphically and
+ // This function is used to create a copy of the event polymorphically and
// all derived classes must implement it because otherwise wxPostEvent()
// for them wouldn't work (it needs to do a copy of the event)
virtual wxEvent *Clone() const = 0;
+ // this function is used to selectively process events in wxEventLoopBase::YieldFor
+ // NOTE: by default it returns wxEVT_CATEGORY_UI just because the major
+ // part of wxWidgets events belong to that category.
+ virtual wxEventCategory GetEventCategory() const
+ { return wxEVT_CATEGORY_UI; }
+
// Implementation only: this test is explicitly anti OO and this function
// exists only for optimization purposes.
bool IsCommandEvent() const { return m_isCommandEvent; }
m_propagationLevel = propagationLevel;
}
+
+ // This is for internal use only and is only called by
+ // wxEvtHandler::ProcessEvent() to check whether it's the first time this
+ // event is being processed
+ bool WasProcessed()
+ {
+ if ( m_wasProcessed )
+ return true;
+
+ m_wasProcessed = true;
+
+ return false;
+ }
+
protected:
wxObject* m_eventObject;
wxEventType m_eventType;
protected:
// the propagation level: while it is positive, we propagate the event to
// the parent window (if any)
- //
- // this one doesn't have to be public, we don't have to worry about
- // backwards compatibility as it is new
int m_propagationLevel;
-protected:
bool m_skipped;
bool m_isCommandEvent;
+ // initially false but becomes true as soon as WasProcessed() is called for
+ // the first time, as this is done only by ProcessEvent() it explains the
+ // variable name: it becomes true after ProcessEvent() was called at least
+ // once for this event
+ bool m_wasProcessed;
+
+protected:
+ wxEvent(const wxEvent&); // for implementing Clone()
+ wxEvent& operator=(const wxEvent&); // for derived classes operator=()
+
private:
// it needs to access our m_propagationLevel
friend class WXDLLIMPEXP_FWD_BASE wxPropagateOnce;
wxEvent& m_event;
int m_propagationLevelOld;
- DECLARE_NO_COPY_CLASS(wxPropagationDisabler)
+ wxDECLARE_NO_COPY_CLASS(wxPropagationDisabler);
};
/*
private:
wxEvent& m_event;
- DECLARE_NO_COPY_CLASS(wxPropagateOnce)
+ wxDECLARE_NO_COPY_CLASS(wxPropagateOnce);
};
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
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxNotifyEvent)
};
+
+// 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.
/*
public:
wxScrollWinEvent(wxEventType commandType = wxEVT_NULL,
int pos = 0, int orient = 0);
- wxScrollWinEvent(const wxScrollWinEvent & event) : wxEvent(event)
+ wxScrollWinEvent(const wxScrollWinEvent& event) : wxEvent(event)
{ m_commandInt = event.m_commandInt;
m_extraLong = event.m_extraLong; }
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxScrollWinEvent)
};
+
+
// Mouse event class
/*
wxMOUSE_BTN_MAX
};
-class WXDLLIMPEXP_CORE wxMouseEvent : public wxEvent
+class WXDLLIMPEXP_CORE wxMouseEvent : public wxEvent,
+ public wxMouseState
{
public:
wxMouseEvent(wxEventType mouseType = wxEVT_NULL);
- wxMouseEvent(const wxMouseEvent& event) : wxEvent(event)
- { Assign(event); }
+ wxMouseEvent(const wxMouseEvent& event)
+ : wxEvent(event),
+ wxMouseState(event)
+ {
+ Assign(event);
+ }
// Was it a button event? (*doesn't* mean: is any button *down*?)
bool IsButton() const { return Button(wxMOUSE_BTN_ANY); }
// Get the button which is changing state (wxMOUSE_BTN_NONE if none)
int GetButton() const;
- // Find state of shift/control keys
- bool ControlDown() const { return m_controlDown; }
- bool MetaDown() const { return m_metaDown; }
- bool AltDown() const { return m_altDown; }
- bool ShiftDown() const { return m_shiftDown; }
- bool CmdDown() const
- {
-#if defined(__WXMAC__) || defined(__WXCOCOA__)
- return MetaDown();
-#else
- return ControlDown();
-#endif
- }
-
// Find which event was just generated
bool LeftDown() const { return (m_eventType == wxEVT_LEFT_DOWN); }
bool MiddleDown() const { return (m_eventType == wxEVT_MIDDLE_DOWN); }
bool IsPageScroll() const { return ((unsigned int)m_linesPerAction == UINT_MAX); }
virtual wxEvent *Clone() const { return new wxMouseEvent(*this); }
+ virtual wxEventCategory GetEventCategory() const { return wxEVT_CATEGORY_USER_INPUT; }
- wxMouseEvent& operator=(const wxMouseEvent& event) { Assign(event); return *this; }
+ wxMouseEvent& operator=(const wxMouseEvent& event)
+ {
+ if (&event != this)
+ Assign(event);
+ return *this;
+ }
public:
wxCoord m_x, m_y;
bool m_aux1Down;
bool m_aux2Down;
- bool m_controlDown;
- bool m_shiftDown;
- bool m_altDown;
- bool m_metaDown;
-
int m_clickCount;
int m_wheelAxis;
m_x(x), m_y(y), m_cursor()
{ }
- wxSetCursorEvent(const wxSetCursorEvent & event)
+ wxSetCursorEvent(const wxSetCursorEvent& event)
: wxEvent(event),
m_x(event.m_x),
m_y(event.m_y),
wxEVT_HOTKEY
*/
-class WXDLLIMPEXP_CORE wxKeyEvent : public wxEvent
+class WXDLLIMPEXP_CORE wxKeyEvent : public wxEvent,
+ public wxKeyboardState
{
public:
wxKeyEvent(wxEventType keyType = wxEVT_NULL);
wxKeyEvent(const wxKeyEvent& evt);
- // can be used check if the key event has exactly the given modifiers:
- // "GetModifiers() = wxMOD_CONTROL" is easier to write than "ControlDown()
- // && !MetaDown() && !AltDown() && !ShiftDown()"
- int GetModifiers() const
- {
- return (m_controlDown ? wxMOD_CONTROL : 0) |
- (m_shiftDown ? wxMOD_SHIFT : 0) |
- (m_metaDown ? wxMOD_META : 0) |
- (m_altDown ? wxMOD_ALT : 0);
- }
-
- // Find state of shift/control keys
- bool ControlDown() const { return m_controlDown; }
- bool ShiftDown() const { return m_shiftDown; }
- bool MetaDown() const { return m_metaDown; }
- bool AltDown() const { return m_altDown; }
-
- // "Cmd" is a pseudo key which is Control for PC and Unix platforms but
- // Apple ("Command") key under Macs: it makes often sense to use it instead
- // of, say, ControlDown() because Cmd key is used for the same thing under
- // Mac as Ctrl elsewhere (but Ctrl still exists, just not used for this
- // purpose under Mac)
- bool CmdDown() const
- {
-#if defined(__WXMAC__) || defined(__WXCOCOA__)
- return MetaDown();
-#else
- return ControlDown();
-#endif
- }
-
- // exclude MetaDown() from HasModifiers() because NumLock under X is often
- // configured as mod2 modifier, yet the key events even when it is pressed
- // should be processed normally, not like Ctrl- or Alt-key
- bool HasModifiers() const { return ControlDown() || AltDown(); }
-
// get the key code: an ASCII7 char or an element of wxKeyCode enum
int GetKeyCode() const { return (int)m_keyCode; }
// Get Y position
wxCoord GetY() const { return m_y; }
-#if WXWIN_COMPATIBILITY_2_6
- // deprecated, Use GetKeyCode instead.
- wxDEPRECATED( long KeyCode() const );
-#endif // WXWIN_COMPATIBILITY_2_6
-
virtual wxEvent *Clone() const { return new wxKeyEvent(*this); }
+ virtual wxEventCategory GetEventCategory() const { return wxEVT_CATEGORY_USER_INPUT; }
// we do need to copy wxKeyEvent sometimes (in wxTreeCtrl code, for
// example)
wxKeyEvent& operator=(const wxKeyEvent& evt)
{
- m_x = evt.m_x;
- m_y = evt.m_y;
-
- m_keyCode = evt.m_keyCode;
-
- m_controlDown = evt.m_controlDown;
- m_shiftDown = evt.m_shiftDown;
- m_altDown = evt.m_altDown;
- m_metaDown = evt.m_metaDown;
- m_scanCode = evt.m_scanCode;
- m_rawCode = evt.m_rawCode;
- m_rawFlags = evt.m_rawFlags;
+ if ( &evt != this )
+ {
+ wxEvent::operator=(evt);
+
+ // Borland C++ 5.82 doesn't compile an explicit call to an
+ // implicitly defined operator=() so need to do it this way:
+ *static_cast<wxKeyboardState *>(this) = evt;
+
+ m_x = evt.m_x;
+ m_y = evt.m_y;
+
+ m_keyCode = evt.m_keyCode;
+
+ m_rawCode = evt.m_rawCode;
+ m_rawFlags = evt.m_rawFlags;
#if wxUSE_UNICODE
- m_uniChar = evt.m_uniChar;
+ m_uniChar = evt.m_uniChar;
#endif
-
+ }
return *this;
}
long m_keyCode;
- // TODO: replace those with a single m_modifiers bitmask of wxMOD_XXX?
- bool m_controlDown;
- bool m_shiftDown;
- bool m_altDown;
- bool m_metaDown;
-
- // FIXME: what is this for? relation to m_rawXXX?
- bool m_scanCode;
-
#if wxUSE_UNICODE
// This contains the full Unicode character
// in a character events in Unicode mode
: wxEvent(winid, wxEVT_SIZE),
m_size(sz)
{ }
- wxSizeEvent(const wxSizeEvent & event)
+ wxSizeEvent(const wxSizeEvent& event)
: wxEvent(event),
m_size(event.m_size), m_rect(event.m_rect)
{ }
class WXDLLIMPEXP_CORE wxEraseEvent : public wxEvent
{
public:
- wxEraseEvent(int Id = 0, wxDC *dc = (wxDC *) NULL)
+ wxEraseEvent(int Id = 0, wxDC *dc = NULL)
: wxEvent(Id, wxEVT_ERASE_BACKGROUND),
m_dc(dc)
{ }
wxMenuEvent(wxEventType type = wxEVT_NULL, int winid = 0, wxMenu* menu = NULL)
: wxEvent(winid, type)
{ m_menuId = winid; m_menu = menu; }
- wxMenuEvent(const wxMenuEvent & event)
+ wxMenuEvent(const wxMenuEvent& event)
: wxEvent(event)
{ m_menuId = event.m_menuId; m_menu = event.m_menu; }
m_veto(false), // should be false by default
m_canVeto(true) {}
- wxCloseEvent(const wxCloseEvent & event)
+ wxCloseEvent(const wxCloseEvent& event)
: wxEvent(event),
m_loggingOff(event.m_loggingOff),
m_veto(event.m_veto),
wxShowEvent(int winid = 0, bool show = false)
: wxEvent(winid, wxEVT_SHOW)
{ m_show = show; }
- wxShowEvent(const wxShowEvent & event)
+ wxShowEvent(const wxShowEvent& event)
: wxEvent(event)
{ m_show = event.m_show; }
void SetShow(bool show) { m_show = show; }
- bool GetShow() const { return m_show; }
+
+ // return true if the window was shown, false if hidden
+ bool IsShown() const { return m_show; }
+
+#if WXWIN_COMPATIBILITY_2_8
+ wxDEPRECATED( bool GetShow() const { return IsShown(); } )
+#endif
virtual wxEvent *Clone() const { return new wxShowEvent(*this); }
wxIconizeEvent(int winid = 0, bool iconized = true)
: wxEvent(winid, wxEVT_ICONIZE)
{ m_iconized = iconized; }
- wxIconizeEvent(const wxIconizeEvent & event)
+ wxIconizeEvent(const wxIconizeEvent& event)
: wxEvent(event)
{ m_iconized = event.m_iconized; }
+#if WXWIN_COMPATIBILITY_2_8
+ wxDEPRECATED( bool Iconized() const { return IsIconized(); } )
+#endif
// return true if the frame was iconized, false if restored
- bool Iconized() const { return m_iconized; }
+ bool IsIconized() const { return m_iconized; }
virtual wxEvent *Clone() const { return new wxIconizeEvent(*this); }
m_joyStick(joystick)
{
}
- wxJoystickEvent(const wxJoystickEvent & event)
+ wxJoystickEvent(const wxJoystickEvent& event)
: wxEvent(event),
m_pos(event.m_pos),
m_zPosition(event.m_zPosition),
wxDropFilesEvent(wxEventType type = wxEVT_NULL,
int noFiles = 0,
- wxString *files = (wxString *) NULL)
+ wxString *files = NULL)
: wxEvent(0, type),
m_noFiles(noFiles),
m_pos(),
m_setText =
m_setChecked = false;
}
- wxUpdateUIEvent(const wxUpdateUIEvent & event)
+ wxUpdateUIEvent(const wxUpdateUIEvent& event)
: wxCommandEvent(event),
m_checked(event.m_checked),
m_enabled(event.m_enabled),
public:
wxPaletteChangedEvent(wxWindowID winid = 0)
: wxEvent(winid, wxEVT_PALETTE_CHANGED),
- m_changedWindow((wxWindow *) NULL)
+ m_changedWindow(NULL)
{ }
wxPaletteChangedEvent(const wxPaletteChangedEvent& event)
: wxEvent(winid, wxEVT_QUERY_NEW_PALETTE),
m_paletteRealized(false)
{ }
- wxQueryNewPaletteEvent(const wxQueryNewPaletteEvent & event)
+ wxQueryNewPaletteEvent(const wxQueryNewPaletteEvent& event)
: wxEvent(event),
m_paletteRealized(event.m_paletteRealized)
{ }
wxNavigationKeyEvent()
: wxEvent(0, wxEVT_NAVIGATION_KEY),
m_flags(IsForward | FromTab), // defaults are for TAB
- m_focus((wxWindow *)NULL)
+ m_focus(NULL)
{
m_propagationLevel = wxEVENT_PROPAGATE_NONE;
}
virtual wxEvent *Clone() const { return new wxNavigationKeyEvent(*this); }
- enum
+ enum wxNavigationKeyEventFlags
{
IsBackward = 0x0000,
IsForward = 0x0001,
m_pos(pt),
m_origin(GuessOrigin(origin))
{ }
- wxHelpEvent(const wxHelpEvent & event)
+ wxHelpEvent(const wxHelpEvent& event)
: wxCommandEvent(event),
m_pos(event.m_pos),
m_target(event.m_target),
wxWindowID winid = 0)
: wxCommandEvent(type, winid)
{ }
- wxClipboardTextEvent(const wxClipboardTextEvent & event)
+ wxClipboardTextEvent(const wxClipboardTextEvent& event)
: wxCommandEvent(event)
{ }
: wxCommandEvent(type, winid),
m_pos(pt)
{ }
- wxContextMenuEvent(const wxContextMenuEvent & event)
+ wxContextMenuEvent(const wxContextMenuEvent& event)
: wxCommandEvent(event),
m_pos(event.m_pos)
{ }
: wxEvent(0, wxEVT_IDLE),
m_requestMore(false)
{ }
- wxIdleEvent(const wxIdleEvent & event)
+ wxIdleEvent(const wxIdleEvent& event)
: wxEvent(event),
m_requestMore(event.m_requestMore)
{ }
*/
+
// ============================================================================
// event handler and related classes
// ============================================================================
-// for backwards compatibility and to prevent eVC 4 for ARM from crashing with
-// internal compiler error when compiling wx, we define wxObjectEventFunction
-// as a wxObject method even though it can only be a wxEvtHandler one
-typedef void (wxObject::*wxObjectEventFunction)(wxEvent&);
-
-// we can't have ctors nor base struct in backwards compatibility mode or
-// otherwise we won't be able to initialize the objects with an agregate, so
-// we have to keep both versions
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
-
-struct WXDLLIMPEXP_BASE wxEventTableEntry
-{
- // For some reason, this can't be wxEventType, or VC++ complains.
- int m_eventType; // main event type
- int m_id; // control/menu/toolbar id
- int m_lastId; // used for ranges of ids
- wxObjectEventFunction m_fn; // function to call: not wxEventFunction,
- // because of dependency problems
-
- wxObject* m_callbackUserData;
-};
-
-#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
// struct containing the members common to static and dynamic event tables
// entries
struct WXDLLIMPEXP_BASE wxEventTableEntryBase
{
-private:
- wxEventTableEntryBase& operator=(const wxEventTableEntryBase& event);
-
-public:
wxEventTableEntryBase(int winid, int idLast,
- wxObjectEventFunction fn, wxObject *data)
+ wxEventFunctor* fn, wxObject *data)
: m_id(winid),
m_lastId(idLast),
m_fn(fn),
m_callbackUserData(data)
{ }
- wxEventTableEntryBase(const wxEventTableEntryBase& event)
- : m_id(event.m_id),
- m_lastId(event.m_lastId),
- m_fn(event.m_fn),
- m_callbackUserData(event.m_callbackUserData)
- { }
+ wxEventTableEntryBase( const wxEventTableEntryBase &entry )
+ : m_id( entry.m_id ),
+ m_lastId( entry.m_lastId ),
+ m_fn( entry.m_fn ),
+ m_callbackUserData( entry.m_callbackUserData )
+ {
+ // This is a 'hack' to ensure that only one instance tries to delete
+ // the functor pointer. It is safe as long as the only place where the
+ // copy constructor is being called is when the static event tables are
+ // being initialized (a temporary instance is created and then this
+ // constructor is called).
+
+ const_cast<wxEventTableEntryBase&>( entry ).m_fn = NULL;
+ }
+
+ ~wxEventTableEntryBase()
+ {
+ delete m_fn;
+ }
// the range of ids for this entry: if m_lastId == wxID_ANY, the range
// consists only of m_id, otherwise it is m_id..m_lastId inclusive
int m_id,
m_lastId;
- // function to call: not wxEventFunction, because of dependency problems
- wxObjectEventFunction m_fn;
+ // function/method/functor to call
+ wxEventFunctor* m_fn;
- // arbitrary user data asosciated with the callback
+ // arbitrary user data associated with the callback
wxObject* m_callbackUserData;
+
+private:
+ wxDECLARE_NO_ASSIGN_CLASS(wxEventTableEntryBase);
};
// an entry from a static event table
struct WXDLLIMPEXP_BASE wxEventTableEntry : public wxEventTableEntryBase
{
wxEventTableEntry(const int& evType, int winid, int idLast,
- wxObjectEventFunction fn, wxObject *data)
+ wxEventFunctor* fn, wxObject *data)
: wxEventTableEntryBase(winid, idLast, fn, data),
m_eventType(evType)
{ }
const int& m_eventType;
private:
- wxEventTableEntry& operator=(const wxEventTableEntry&);
+ wxDECLARE_NO_ASSIGN_CLASS(wxEventTableEntry);
};
// an entry used in dynamic event table managed by wxEvtHandler::Connect()
struct WXDLLIMPEXP_BASE wxDynamicEventTableEntry : public wxEventTableEntryBase
{
wxDynamicEventTableEntry(int evType, int winid, int idLast,
- wxObjectEventFunction fn, wxObject *data, wxEvtHandler* eventSink)
+ wxEventFunctor* fn, wxObject *data)
: wxEventTableEntryBase(winid, idLast, fn, data),
- m_eventType(evType),
- m_eventSink(eventSink)
+ m_eventType(evType)
{ }
// not a reference here as we can't keep a reference to a temporary int
// do we need it
int m_eventType;
- // Pointer to object whose function is fn - so we don't assume the
- // EventFunction is always a member of the EventHandler receiving the
- // message
- wxEvtHandler* m_eventSink;
-
- DECLARE_NO_COPY_CLASS(wxDynamicEventTableEntry)
+private:
+ wxDECLARE_NO_ASSIGN_CLASS(wxDynamicEventTableEntry);
};
-#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
-
// ----------------------------------------------------------------------------
// wxEventTable: an array of event entries terminated with {0, 0, 0, 0, 0}
// ----------------------------------------------------------------------------
// Handle the given event, in other words search the event table hash
// and call self->ProcessEvent() if a match was found.
- bool HandleEvent(wxEvent &event, wxEvtHandler *self);
+ bool HandleEvent(wxEvent& event, wxEvtHandler *self);
// Clear table
void Clear();
wxEventHashTable* m_previous;
wxEventHashTable* m_next;
- DECLARE_NO_COPY_CLASS(wxEventHashTable)
+ wxDECLARE_NO_COPY_CLASS(wxEventHashTable);
};
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxEvtHandler : public wxObject
+ , public wxTrackable
{
public:
wxEvtHandler();
virtual ~wxEvtHandler();
+
+ // Event handler chain
+ // -------------------
+
wxEvtHandler *GetNextHandler() const { return m_nextHandler; }
wxEvtHandler *GetPreviousHandler() const { return m_previousHandler; }
- void SetNextHandler(wxEvtHandler *handler) { m_nextHandler = handler; }
- void SetPreviousHandler(wxEvtHandler *handler) { m_previousHandler = handler; }
+ virtual void SetNextHandler(wxEvtHandler *handler) { m_nextHandler = handler; }
+ virtual void SetPreviousHandler(wxEvtHandler *handler) { m_previousHandler = handler; }
void SetEvtHandlerEnabled(bool enabled) { m_enabled = enabled; }
bool GetEvtHandlerEnabled() const { return m_enabled; }
- // process an event right now
+ void Unlink();
+ bool IsUnlinked() const;
+
+
+
+ // Event queuing and processing
+ // ----------------------------
+
+ // Process an event right now: this can only be called from the main
+ // thread, use QueueEvent() for scheduling the events for
+ // processing from other threads.
virtual bool ProcessEvent(wxEvent& event);
- // add an event to be processed later
- virtual void AddPendingEvent(const wxEvent& event);
+ // Process an event by calling ProcessEvent and handling any exceptions
+ // thrown by event handlers. It's mostly useful when processing wx events
+ // when called from C code (e.g. in GTK+ callback) when the exception
+ // wouldn't correctly propagate to wxEventLoop.
+ bool SafelyProcessEvent(wxEvent& event);
+ // NOTE: uses ProcessEvent()
+
+ // 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
+ // fields of the event object are deep copies and not use the same string
+ // buffer as other wxString objects in this thread.
+ virtual void QueueEvent(wxEvent *event);
+
+ // Add an event to be processed later: notice that this function is not
+ // safe to call from threads other than main, use QueueEvent()
+ virtual void AddPendingEvent(const wxEvent& event)
+ {
+ // notice that the thread-safety problem comes from the fact that
+ // Clone() doesn't make deep copies of wxString fields of wxEvent
+ // object and so the same wxString could be used from both threads when
+ // the event object is destroyed in this one -- QueueEvent() avoids
+ // this problem as the event pointer is not used any more in this
+ // thread at all after it is called.
+ QueueEvent(event.Clone());
+ }
void ProcessPendingEvents();
+ // NOTE: uses ProcessEvent()
+
+ void DeletePendingEvents();
#if wxUSE_THREADS
bool ProcessThreadEvent(const wxEvent& event);
+ // NOTE: uses AddPendingEvent(); call only from secondary threads
#endif
+
+ // Connecting and disconnecting
+ // ----------------------------
+
+ // These functions are used for old, untyped, event handlers and don't
+ // check that the type of the function passed to them actually matches the
+ // type of the event. They also only allow connecting events to methods of
+ // wxEvtHandler-derived classes.
+ //
+ // The template Connect() methods below are safer and allow connecting
+ // events to arbitrary functions or functors -- but require compiler
+ // support for templates.
+
// Dynamic association of a member function handler with the event handler,
// winid and event type
void Connect(int winid,
int lastId,
- int eventType,
+ wxEventType eventType,
wxObjectEventFunction func,
- wxObject *userData = (wxObject *) NULL,
- wxEvtHandler *eventSink = (wxEvtHandler *) NULL);
+ wxObject *userData = NULL,
+ wxEvtHandler *eventSink = NULL)
+ {
+ DoConnect(winid, lastId, eventType,
+ wxNewEventFunctor(eventType, func, eventSink),
+ userData);
+ }
// Convenience function: take just one id
void Connect(int winid,
- int eventType,
+ wxEventType eventType,
wxObjectEventFunction func,
- wxObject *userData = (wxObject *) NULL,
- wxEvtHandler *eventSink = (wxEvtHandler *) NULL)
+ wxObject *userData = NULL,
+ wxEvtHandler *eventSink = NULL)
{ Connect(winid, wxID_ANY, eventType, func, userData, eventSink); }
// Even more convenient: without id (same as using id of wxID_ANY)
- void Connect(int eventType,
+ void Connect(wxEventType eventType,
wxObjectEventFunction func,
- wxObject *userData = (wxObject *) NULL,
- wxEvtHandler *eventSink = (wxEvtHandler *) NULL)
+ wxObject *userData = NULL,
+ wxEvtHandler *eventSink = NULL)
{ Connect(wxID_ANY, wxID_ANY, eventType, func, userData, eventSink); }
bool Disconnect(int winid,
int lastId,
wxEventType eventType,
wxObjectEventFunction func = NULL,
- wxObject *userData = (wxObject *) NULL,
- wxEvtHandler *eventSink = (wxEvtHandler *) NULL);
+ wxObject *userData = NULL,
+ wxEvtHandler *eventSink = NULL)
+ {
+ return DoDisconnect(winid, lastId, eventType,
+ wxMakeEventFunctor(eventType, func, eventSink),
+ userData );
+ }
bool Disconnect(int winid = wxID_ANY,
wxEventType eventType = wxEVT_NULL,
wxObjectEventFunction func = NULL,
- wxObject *userData = (wxObject *) NULL,
- wxEvtHandler *eventSink = (wxEvtHandler *) NULL)
+ wxObject *userData = NULL,
+ wxEvtHandler *eventSink = NULL)
{ return Disconnect(winid, wxID_ANY, eventType, func, userData, eventSink); }
bool Disconnect(wxEventType eventType,
wxObjectEventFunction func,
- wxObject *userData = (wxObject *) NULL,
- wxEvtHandler *eventSink = (wxEvtHandler *) NULL)
+ wxObject *userData = NULL,
+ wxEvtHandler *eventSink = NULL)
{ return Disconnect(wxID_ANY, eventType, func, userData, eventSink); }
+#if !wxEVENTS_COMPATIBILITY_2_8
+ // Bind arbitrary functor (including just a function) to an event:
+ template <typename EventTag, typename Functor>
+ void Bind(const EventTag& eventType,
+ Functor func,
+ int winid = wxID_ANY,
+ int lastId = wxID_ANY,
+ wxObject *userData = NULL)
+ {
+ DoConnect(winid, lastId, eventType,
+ wxNewEventFunctor(eventType, func),
+ userData);
+ }
+
+
+ template <typename EventTag, typename Functor>
+ bool Unbind(const EventTag& eventType,
+ Functor func,
+ int winid = wxID_ANY,
+ int lastId = wxID_ANY,
+ wxObject *userData = NULL)
+ {
+ return DoDisconnect(winid, lastId, eventType,
+ wxMakeEventFunctor(eventType, func),
+ userData);
+ }
+
+
+ // Bind a method of a class (called on the specified eventSink which must
+ // be convertible to this class) object to an event:
+
+ template
+ <typename EventTag, typename Class, typename EventArg, typename ObjClass>
+ void Bind(const EventTag &eventType,
+ void (Class::*func)(EventArg &),
+ ObjClass *eventSink,
+ int winid = wxID_ANY,
+ int lastId = wxID_ANY,
+ wxObject *userData = NULL)
+ {
+ DoConnect(winid, lastId, eventType,
+ wxNewEventFunctor(eventType, func, eventSink),
+ userData);
+ }
+
+ template
+ <typename EventTag, typename Class, typename EventArg, typename ObjClass>
+ bool Unbind(const EventTag &eventType,
+ void (Class::*func)(EventArg&),
+ ObjClass *eventSink,
+ int winid = wxID_ANY,
+ int lastId = wxID_ANY,
+ wxObject *userData = NULL )
+ {
+ return DoDisconnect(winid, lastId, eventType,
+ wxMakeEventFunctor(eventType, func, eventSink),
+ userData);
+ }
+#endif // !wxEVENTS_COMPATIBILITY_2_8
+
wxList* GetDynamicEventTable() const { return m_dynamicEvents ; }
// User data can be associated with each wxEvtHandler
void SetClientData( void *data ) { DoSetClientData(data); }
void *GetClientData() const { return DoGetClientData(); }
- // check if the given event table entry matches this event and call the
- // handler if it does
+
+ // implementation from now on
+ // --------------------------
+
+ // check if the given event table entry matches this event by id (the check
+ // for the event type should be done by caller) and call the handler if it
+ // does
//
// return true if the event was processed, false otherwise (no match or the
// handler decided to skip the event)
- static bool ProcessEventIfMatches(const wxEventTableEntryBase& tableEntry,
- wxEvtHandler *handler,
- wxEvent& event);
+ static bool ProcessEventIfMatchesId(const wxEventTableEntryBase& tableEntry,
+ wxEvtHandler *handler,
+ wxEvent& event);
- // implementation from now on
virtual bool SearchEventTable(wxEventTable& table, wxEvent& event);
bool SearchDynamicEventTable( wxEvent& event );
-#if wxUSE_THREADS
- void ClearEventLocker();
-#endif // wxUSE_THREADS
-
// Avoid problems at exit by cleaning up static hash table gracefully
void ClearEventHashTable() { GetEventHashTable().Clear(); }
+ 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 DoConnect(int winid,
+ int lastId,
+ wxEventType eventType,
+ wxEventFunctor *func,
+ wxObject* userData = NULL);
+
+ bool DoDisconnect(int winid,
+ int lastId,
+ wxEventType eventType,
+ const wxEventFunctor& func,
+ wxObject *userData = NULL);
+
static const wxEventTableEntry sm_eventTableEntries[];
protected:
// hooks for wxWindow used by ProcessEvent()
// -----------------------------------------
- // This one is called before trying our own event table to allow plugging
- // in the validators.
- //
- // NB: This method is intentionally *not* inside wxUSE_VALIDATORS!
- // It is part of wxBase which doesn't use validators and the code
- // is compiled out when building wxBase w/o GUI classes, which affects
- // binary compatibility and wxBase library can't be used by GUI
- // ports.
- virtual bool TryValidator(wxEvent& WXUNUSED(event)) { return false; }
+ // this one is called before trying our own event table to allow plugging
+ // in the event handlers overriding the default logic, this is used by e.g.
+ // validators.
+ virtual bool TryBefore(wxEvent& 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
//
// base class implementation passes the event to wxTheApp
- virtual bool TryParent(wxEvent& event);
+ virtual bool TryAfter(wxEvent& event);
+
+#ifdef WXWIN_COMPATIBILITY_2_8
+ // deprecated method: override TryBefore() instead of this one
+ wxDEPRECATED_BUT_USED_INTERNALLY_INLINE(
+ virtual bool TryValidator(wxEvent& WXUNUSED(event)), return false; )
+
+ wxDEPRECATED_BUT_USED_INTERNALLY_INLINE(
+ virtual bool TryParent(wxEvent& event), return DoTryApp(event); )
+#endif // WXWIN_COMPATIBILITY_2_8
static const wxEventTable sm_eventTable;
wxList* m_pendingEvents;
#if wxUSE_THREADS
-#if defined (__VISAGECPP__)
- const wxCriticalSection& Lock() const { return m_eventsLocker; }
- wxCriticalSection& Lock() { return m_eventsLocker; }
-
- wxCriticalSection m_eventsLocker;
-# else
- const wxCriticalSection& Lock() const { return *m_eventsLocker; }
- wxCriticalSection& Lock() { return *m_eventsLocker; }
-
- wxCriticalSection* m_eventsLocker;
-# endif
-#endif
+ // critical section protecting m_pendingEvents
+ wxCriticalSection m_pendingEventsLock;
+#endif // wxUSE_THREADS
// Is event handler enabled?
bool m_enabled;
virtual void DoSetClientData( void *data );
virtual void *DoGetClientData() const;
+ // Search tracker objects for event connection with this sink
+ wxEventConnectionRef *FindRefInTrackerList(wxEvtHandler *eventSink);
+
private:
+ // pass the event to wxTheApp instance, called from TryAfter()
+ bool DoTryApp(wxEvent& event);
+
DECLARE_DYNAMIC_CLASS_NO_COPY(wxEvtHandler)
};
-// Post a message to the given eventhandler which will be processed during the
-// next event loop iteration
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxEvtHandler *, wxEvtHandlerArray, class WXDLLIMPEXP_BASE);
+
+// ----------------------------------------------------------------------------
+// wxEventConnectionRef represents all connections between two event handlers
+// and enables automatic disconnect when an event handler sink goes out of
+// scope. Each connection/disconnect increases/decreases ref count, and
+// when it reaches zero the node goes out of scope.
+// ----------------------------------------------------------------------------
+
+class wxEventConnectionRef : public wxTrackerNode
+{
+public:
+ wxEventConnectionRef() : m_src(NULL), m_sink(NULL), m_refCount(0) { }
+ wxEventConnectionRef(wxEvtHandler *src, wxEvtHandler *sink)
+ : m_src(src), m_sink(sink), m_refCount(1)
+ {
+ m_sink->AddNode(this);
+ }
+
+ // The sink is being destroyed
+ virtual void OnObjectDestroy( )
+ {
+ if ( m_src )
+ m_src->OnSinkDestroyed( m_sink );
+ delete this;
+ }
+
+ virtual wxEventConnectionRef *ToEventConnection() { return this; }
+
+ void IncRef() { m_refCount++; }
+ void DecRef()
+ {
+ if ( !--m_refCount )
+ {
+ // The sink holds the only external pointer to this object
+ if ( m_sink )
+ m_sink->RemoveNode(this);
+ delete this;
+ }
+ }
+
+private:
+ wxEvtHandler *m_src,
+ *m_sink;
+ int m_refCount;
+
+ friend class wxEvtHandler;
+
+ wxDECLARE_NO_ASSIGN_CLASS(wxEventConnectionRef);
+};
+
+inline void wxObjectEventFunctor::operator()(wxEvtHandler *handler, wxEvent& event)
+{
+ wxEvtHandler * const realHandler = m_handler ? m_handler : handler;
+
+ (realHandler->*m_method)(event);
+}
+
+// Post a message to the given event handler which will be processed during the
+// next event loop iteration.
+//
+// Notice that this one is not thread-safe, use wxQueueEvent()
inline void wxPostEvent(wxEvtHandler *dest, const wxEvent& event)
{
- wxCHECK_RET( dest, wxT("need an object to post event to in wxPostEvent") );
+ wxCHECK_RET( dest, "need an object to post event to" );
dest->AddPendingEvent(event);
}
+// Wrapper around wxEvtHandler::QueueEvent(): adds an event for later
+// processing, unlike wxPostEvent it is safe to use from different thread even
+// for events with wxString members
+inline void wxQueueEvent(wxEvtHandler *dest, wxEvent *event)
+{
+ wxCHECK_RET( dest, "need an object to queue event for" );
+
+ dest->QueueEvent(event);
+}
+
typedef void (wxEvtHandler::*wxEventFunction)(wxEvent&);
+typedef void (wxEvtHandler::*wxIdleEventFunction)(wxIdleEvent&);
#define wxEventHandler(func) \
- (wxObjectEventFunction)wxStaticCastEvent(wxEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxEventFunction, func)
+#define wxIdleEventHandler(func) \
+ wxEVENT_HANDLER_CAST(wxIdleEventFunction, func)
#if wxUSE_GUI
wxArrayInt m_eventsToBlock;
wxWindow *m_window;
- DECLARE_NO_COPY_CLASS(wxEventBlocker)
+ wxDECLARE_NO_COPY_CLASS(wxEventBlocker);
};
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&);
typedef void (wxEvtHandler::*wxSysColourChangedEventFunction)(wxSysColourChangedEvent&);
typedef void (wxEvtHandler::*wxDisplayChangedEventFunction)(wxDisplayChangedEvent&);
typedef void (wxEvtHandler::*wxUpdateUIEventFunction)(wxUpdateUIEvent&);
-typedef void (wxEvtHandler::*wxIdleEventFunction)(wxIdleEvent&);
typedef void (wxEvtHandler::*wxCloseEventFunction)(wxCloseEvent&);
typedef void (wxEvtHandler::*wxShowEventFunction)(wxShowEvent&);
typedef void (wxEvtHandler::*wxIconizeEventFunction)(wxIconizeEvent&);
#define wxCommandEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxCommandEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxCommandEventFunction, func)
+#define wxThreadEventHandler(func) \
+ wxEVENT_HANDLER_CAST(wxThreadEventFunction, func)
#define wxScrollEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxScrollEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxScrollEventFunction, func)
#define wxScrollWinEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxScrollWinEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxScrollWinEventFunction, func)
#define wxSizeEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxSizeEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxSizeEventFunction, func)
#define wxMoveEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMoveEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxMoveEventFunction, func)
#define wxPaintEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxPaintEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxPaintEventFunction, func)
#define wxNcPaintEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxNcPaintEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxNcPaintEventFunction, func)
#define wxEraseEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxEraseEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxEraseEventFunction, func)
#define wxMouseEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMouseEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxMouseEventFunction, func)
#define wxCharEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxCharEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxCharEventFunction, func)
#define wxKeyEventHandler(func) wxCharEventHandler(func)
#define wxFocusEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxFocusEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxFocusEventFunction, func)
#define wxChildFocusEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxChildFocusEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxChildFocusEventFunction, func)
#define wxActivateEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxActivateEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxActivateEventFunction, func)
#define wxMenuEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMenuEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxMenuEventFunction, func)
#define wxJoystickEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxJoystickEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxJoystickEventFunction, func)
#define wxDropFilesEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxDropFilesEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxDropFilesEventFunction, func)
#define wxInitDialogEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxInitDialogEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxInitDialogEventFunction, func)
#define wxSysColourChangedEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxSysColourChangedEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxSysColourChangedEventFunction, func)
#define wxDisplayChangedEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxDisplayChangedEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxDisplayChangedEventFunction, func)
#define wxUpdateUIEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxUpdateUIEventFunction, &func)
-#define wxIdleEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxIdleEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxUpdateUIEventFunction, func)
#define wxCloseEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxCloseEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxCloseEventFunction, func)
#define wxShowEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxShowEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxShowEventFunction, func)
#define wxIconizeEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxIconizeEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxIconizeEventFunction, func)
#define wxMaximizeEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMaximizeEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxMaximizeEventFunction, func)
#define wxNavigationKeyEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxNavigationKeyEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxNavigationKeyEventFunction, func)
#define wxPaletteChangedEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxPaletteChangedEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxPaletteChangedEventFunction, func)
#define wxQueryNewPaletteEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxQueryNewPaletteEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxQueryNewPaletteEventFunction, func)
#define wxWindowCreateEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxWindowCreateEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxWindowCreateEventFunction, func)
#define wxWindowDestroyEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxWindowDestroyEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxWindowDestroyEventFunction, func)
#define wxSetCursorEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxSetCursorEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxSetCursorEventFunction, func)
#define wxNotifyEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxNotifyEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxNotifyEventFunction, func)
#define wxHelpEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxHelpEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxHelpEventFunction, func)
#define wxContextMenuEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxContextMenuEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxContextMenuEventFunction, func)
#define wxMouseCaptureChangedEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMouseCaptureChangedEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxMouseCaptureChangedEventFunction, func)
#define wxMouseCaptureLostEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMouseCaptureLostEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxMouseCaptureLostEventFunction, func)
#define wxClipboardTextEventHandler(func) \
- (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxClipboardTextEventFunction, &func)
+ wxEVENT_HANDLER_CAST(wxClipboardTextEventFunction, func)
#endif // wxUSE_GUI
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_ENTRY( wxEVT_NULL, 0, 0, 0, 0 ) };
+#define END_EVENT_TABLE() DECLARE_EVENT_TABLE_TERMINATOR() };
/*
* Event table macros
// EVT_COMMAND
#define EVT_COMMAND(winid, event, func) \
wx__DECLARE_EVT1(event, winid, wxCommandEventHandler(func))
+
#define EVT_COMMAND_RANGE(id1, id2, event, func) \
wx__DECLARE_EVT2(event, id1, id2, wxCommandEventHandler(func))
#define EVT_NOTIFY(event, winid, func) \
wx__DECLARE_EVT1(event, winid, wxNotifyEventHandler(func))
+
#define EVT_NOTIFY_RANGE(event, id1, id2, func) \
wx__DECLARE_EVT2(event, id1, id2, wxNotifyEventHandler(func))
#define EVT_TEXT_COPY(winid, func) wx__DECLARE_EVT1(wxEVT_COMMAND_TEXT_COPY, winid, wxClipboardTextEventHandler(func))
#define EVT_TEXT_PASTE(winid, func) wx__DECLARE_EVT1(wxEVT_COMMAND_TEXT_PASTE, winid, wxClipboardTextEventHandler(func))
-// ----------------------------------------------------------------------------
-// Global data
-// ----------------------------------------------------------------------------
-
-// for pending event processing - notice that there is intentionally no
-// WXDLLEXPORT here
-extern WXDLLIMPEXP_BASE wxList *wxPendingEvents;
-#if wxUSE_THREADS
- extern WXDLLIMPEXP_BASE wxCriticalSection *wxPendingEventsLocker;
-#endif
+// Thread events
+#define EVT_THREAD(id, func) wx__DECLARE_EVT1(wxEVT_COMMAND_THREAD, id, wxThreadEventHandler(func))
// ----------------------------------------------------------------------------
// Helper functions
// ----------------------------------------------------------------------------
+// This is an ugly hack to allow the use of Bind() instead of Connect() inside
+// the library code if the library was built with support for it, here is how
+// it is used:
+//
+// class SomeEventHandlingClass : wxBIND_OR_CONNECT_HACK_BASE_CLASS
+// public SomeBaseClass
+// {
+// public:
+// SomeEventHandlingClass(wxWindow *win)
+// {
+// // connect to the event for the given window
+// wxBIND_OR_CONNECT_HACK(win, wxEVT_SOMETHING, wxSomeEventHandler,
+// SomeEventHandlingClass::OnSomeEvent, this);
+// }
+//
+// private:
+// void OnSomeEvent(wxSomeEvent&) { ... }
+// };
+//
+// This is *not* meant to be used by library users, it is only defined here
+// (and not in a private header) because the base class must be visible from
+// other public headers, please do NOT use this in your code, it will be
+// removed from future wx versions without warning.
+#if wxEVENTS_COMPATIBILITY_2_8
+ #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) \
+ win->Connect(evt, handler(func), NULL, obj)
+#else // wxEVENTS_COMPATIBILITY_2_8
+ #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) \
+ win->Bind(evt, &func, obj)
+#endif // wxEVENTS_COMPATIBILITY_2_8/!wxEVENTS_COMPATIBILITY_2_8
+
#if wxUSE_GUI
// Find a window with the focus, that is also a descendant of the given window.
#endif // wxUSE_GUI
-#endif // _WX_EVENT_H__
+#endif // _WX_EVENT_H_
projects / wxWidgets.git / blobdiff