X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/88a9f974b8d98b194174270c575cc6cb9b2b5bd3..642163b5a0b9e6147b21f759abb47284ec637765:/include/wx/event.h diff --git a/include/wx/event.h b/include/wx/event.h index aa9a3b1425..b96e4458be 100644 --- a/include/wx/event.h +++ b/include/wx/event.h @@ -76,6 +76,7 @@ typedef int wxEventType; #define DECLARE_EVENT_TYPE(name, value) name = wxEVT_FIRST + value, #define DECLARE_LOCAL_EVENT_TYPE(name, value) name = wxEVT_FIRST + value, #define DEFINE_EVENT_TYPE(name) +#define DEFINE_LOCAL_EVENT_TYPE(name) #else // !WXWIN_COMPATIBILITY_EVENT_TYPES @@ -89,6 +90,7 @@ typedef int wxEventType; extern const wxEventType WXDLLEXPORT name; #define DECLARE_LOCAL_EVENT_TYPE(name, value) extern const wxEventType name; #define DEFINE_EVENT_TYPE(name) const wxEventType name = wxNewEventType(); +#define DEFINE_LOCAL_EVENT_TYPE(name) const wxEventType name = wxNewEventType(); // generate a new unique event type extern WXDLLEXPORT wxEventType wxNewEventType(); @@ -331,11 +333,11 @@ END_DECLARE_EVENT_TYPES() class WXDLLEXPORT wxEvent : public wxObject { - DECLARE_ABSTRACT_CLASS(wxEvent) +protected: + wxEvent(const wxEvent&); // for implementing Clone() public: - wxEvent(int id = 0); - ~wxEvent() {} + wxEvent(int id = 0, wxEventType commandType = wxEVT_NULL ); void SetEventType(wxEventType typ) { m_eventType = typ; } wxEventType GetEventType() const { return m_eventType; } @@ -353,11 +355,14 @@ public: void Skip(bool skip = TRUE) { m_skipped = skip; } bool GetSkipped() const { return m_skipped; }; - // implementation only: this test is explicitlty anti OO and this functions - // exists only for optimization purposes + // Implementation only: this test is explicitlty anti OO and this functions + // exists only for optimization purposes. bool IsCommandEvent() const { return m_isCommandEvent; } - void CopyObject(wxObject& object_dest) const; + // 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; public: wxObject* m_eventObject; @@ -366,10 +371,10 @@ public: int m_id; wxObject* m_callbackUserData; bool m_skipped; - - // optimization: instead of using costly IsKindOf() we keep a flag telling - // whether we're a command event (by far the most common case) bool m_isCommandEvent; + +private: + DECLARE_ABSTRACT_CLASS(wxEvent) }; #if wxUSE_GUI @@ -395,16 +400,8 @@ public: class WXDLLEXPORT wxCommandEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxCommandEvent) - public: wxCommandEvent(wxEventType commandType = wxEVT_NULL, int id = 0); - ~wxCommandEvent() {} - - /* - * Accessors dependent on context - * - */ // Set/Get client data from controls void SetClientData(void* clientData) { m_clientData = clientData; } @@ -433,7 +430,7 @@ public: void SetInt(int i) { m_commandInt = i; } long GetInt() const { return m_commandInt ; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxCommandEvent(*this); } #if WXWIN_COMPATIBILITY_2 bool Checked() const { return IsChecked(); } @@ -445,6 +442,9 @@ public: long m_extraLong; // Additional information (e.g. select/deselect) void* m_clientData; // Arbitrary client data wxClientData* m_clientObject; // Arbitrary client object + +private: + DECLARE_DYNAMIC_CLASS(wxCommandEvent) }; // this class adds a possibility to react (from the user) code to a control @@ -464,13 +464,12 @@ public: // for implementation code only: is the operation allowed? bool IsAllowed() const { return m_bAllow; } - // probably useless: CopyObject() is used for deferred event - // handling but wxNotifyEvent must be processed immediately - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxNotifyEvent(*this); } private: bool m_bAllow; +private: DECLARE_DYNAMIC_CLASS(wxNotifyEvent) }; @@ -489,22 +488,19 @@ private: class WXDLLEXPORT wxScrollEvent : public wxCommandEvent { - DECLARE_DYNAMIC_CLASS(wxScrollEvent) - public: wxScrollEvent(wxEventType commandType = wxEVT_NULL, int id = 0, int pos = 0, int orient = 0); - ~wxScrollEvent() {} - - /* - * Accessors - * - */ int GetOrientation() const { return (int) m_extraLong ; } int GetPosition() const { return m_commandInt ; } void SetOrientation(int orient) { m_extraLong = (long) orient; } void SetPosition(int pos) { m_commandInt = pos; } + + virtual wxEvent *Clone() const { return new wxScrollEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxScrollEvent) }; // ScrollWin event class, derived fom wxEvent. wxScrollWinEvents @@ -525,23 +521,19 @@ class WXDLLEXPORT wxScrollWinEvent : public wxEvent public: wxScrollWinEvent(wxEventType commandType = wxEVT_NULL, int pos = 0, int orient = 0); - ~wxScrollWinEvent() {} - - /* - * Accessors - */ int GetOrientation() const { return (int) m_extraLong ; } int GetPosition() const { return m_commandInt ; } void SetOrientation(int orient) { m_extraLong = (long) orient; } void SetPosition(int pos) { m_commandInt = pos; } - void CopyObject(wxObject& object_dest) const; + virtual wxEvent *Clone() const { return new wxScrollWinEvent(*this); } public: - int m_commandInt; // Additional information + int m_commandInt; long m_extraLong; +private: DECLARE_DYNAMIC_CLASS(wxScrollWinEvent) }; @@ -706,8 +698,7 @@ public: // wheel action. Defaults to one. int GetLinesPerAction() const { return m_linesPerAction; } - - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxMouseEvent(*this); } public: wxCoord m_x, m_y; @@ -738,7 +729,7 @@ private: class WXDLLEXPORT wxSetCursorEvent : public wxEvent { public: - wxSetCursorEvent(wxCoord x, wxCoord y) + wxSetCursorEvent(wxCoord x = 0, wxCoord y = 0) { m_eventType = wxEVT_SET_CURSOR; @@ -753,9 +744,14 @@ public: const wxCursor& GetCursor() const { return m_cursor; } bool HasCursor() const { return m_cursor.Ok(); } + virtual wxEvent *Clone() const { return new wxSetCursorEvent(*this); } + private: wxCoord m_x, m_y; wxCursor m_cursor; + +private: + DECLARE_DYNAMIC_CLASS(wxSetCursorEvent) }; // Keyboard input event class @@ -769,8 +765,6 @@ private: class WXDLLEXPORT wxKeyEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxKeyEvent) - public: wxKeyEvent(wxEventType keyType = wxEVT_NULL); @@ -812,11 +806,29 @@ public: // Get Y position wxCoord GetY() const { return m_y; } - void CopyObject(wxObject& obj) const; - // deprecated long KeyCode() const { return m_keyCode; } + virtual wxEvent *Clone() const { return new wxKeyEvent(*this); } + + // 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; + + return *this; + } + public: wxCoord m_x, m_y; @@ -827,6 +839,9 @@ public: bool m_altDown; bool m_metaDown; bool m_scanCode; + +private: + DECLARE_DYNAMIC_CLASS(wxKeyEvent) }; // Size event class @@ -836,11 +851,7 @@ public: class WXDLLEXPORT wxSizeEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxSizeEvent) - public: - wxSize m_size; - wxSizeEvent() { m_eventType = wxEVT_SIZE; } wxSizeEvent(const wxSize& sz, int id = 0) : m_size(sz) @@ -848,7 +859,13 @@ public: wxSize GetSize() const { return m_size; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxSizeEvent(*this); } + +public: + wxSize m_size; + +private: + DECLARE_DYNAMIC_CLASS(wxSizeEvent) }; // Move event class @@ -859,11 +876,7 @@ public: class WXDLLEXPORT wxMoveEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxMoveEvent) - public: - wxPoint m_pos; - wxMoveEvent() { m_eventType = wxEVT_MOVE; } wxMoveEvent(const wxPoint& pos, int id = 0) : m_pos(pos) @@ -871,7 +884,12 @@ public: wxPoint GetPosition() const { return m_pos; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxMoveEvent(*this); } + + wxPoint m_pos; + +private: + DECLARE_DYNAMIC_CLASS(wxMoveEvent) }; // Paint event class @@ -888,8 +906,6 @@ public: class WXDLLEXPORT wxPaintEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxPaintEvent) - public: wxPaintEvent(int Id = 0) { @@ -908,6 +924,11 @@ public: g_isPainting--; } #endif // debug + + virtual wxEvent *Clone() const { return new wxPaintEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxPaintEvent) }; class WXDLLEXPORT wxNcPaintEvent : public wxEvent @@ -915,6 +936,8 @@ class WXDLLEXPORT wxNcPaintEvent : public wxEvent public: wxNcPaintEvent(int id = 0) : wxEvent(id) { SetEventType(wxEVT_NC_PAINT); } + virtual wxEvent *Clone() const { return new wxNcPaintEvent(*this); } + private: DECLARE_DYNAMIC_CLASS(wxNcPaintEvent) }; @@ -926,16 +949,18 @@ private: class WXDLLEXPORT wxEraseEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxEraseEvent) - public: - wxDC *m_dc; - wxEraseEvent(int Id = 0, wxDC *dc = (wxDC *) NULL) { m_eventType = wxEVT_ERASE_BACKGROUND; m_id = Id; m_dc = dc; } + wxDC *GetDC() const { return m_dc; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxEraseEvent(*this); } + + wxDC *m_dc; + +private: + DECLARE_DYNAMIC_CLASS(wxEraseEvent) }; // Focus event class @@ -950,17 +975,18 @@ public: wxFocusEvent(wxEventType type = wxEVT_NULL, int id = 0) { m_eventType = type; m_id = id; m_win = NULL; } - // the window associated with this event is the window which had focus + // The window associated with this event is the window which had focus // before for SET event and the window which will have focus for the KILL - // one - // - // NB: it may be NULL in both cases! + // one. NB: it may be NULL in both cases! wxWindow *GetWindow() const { return m_win; } void SetWindow(wxWindow *win) { m_win = win; } + virtual wxEvent *Clone() const { return new wxFocusEvent(*this); } + private: wxWindow *m_win; +private: DECLARE_DYNAMIC_CLASS(wxFocusEvent) }; @@ -973,6 +999,9 @@ public: wxWindow *GetWindow() const { return (wxWindow *)GetEventObject(); } + virtual wxEvent *Clone() const { return new wxChildFocusEvent(*this); } + +private: DECLARE_DYNAMIC_CLASS(wxChildFocusEvent) }; @@ -984,17 +1013,19 @@ public: class WXDLLEXPORT wxActivateEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxActivateEvent) - public: wxActivateEvent(wxEventType type = wxEVT_NULL, bool active = TRUE, int Id = 0) { m_eventType = type; m_active = active; m_id = Id; } + bool GetActive() const { return m_active; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxActivateEvent(*this); } private: bool m_active; + +private: + DECLARE_DYNAMIC_CLASS(wxActivateEvent) }; // InitDialog event class @@ -1004,11 +1035,14 @@ private: class WXDLLEXPORT wxInitDialogEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxInitDialogEvent) - public: wxInitDialogEvent(int Id = 0) { m_eventType = wxEVT_INIT_DIALOG; m_id = Id; } + + virtual wxEvent *Clone() const { return new wxInitDialogEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxInitDialogEvent) }; // Miscellaneous menu event class @@ -1021,17 +1055,19 @@ public: class WXDLLEXPORT wxMenuEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxMenuEvent) - public: wxMenuEvent(wxEventType type = wxEVT_NULL, int id = 0) - { m_eventType = type; m_menuId = id; } + { m_eventType = type; m_menuId = id; m_id = id; } int GetMenuId() const { return m_menuId; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxMenuEvent(*this); } + private: int m_menuId; + +private: + DECLARE_DYNAMIC_CLASS(wxMenuEvent) }; // Window close or session close event class @@ -1043,8 +1079,6 @@ private: class WXDLLEXPORT wxCloseEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxCloseEvent) - public: wxCloseEvent(wxEventType type = wxEVT_NULL, int id = 0) { @@ -1082,7 +1116,7 @@ public: bool GetForce() const { return m_force; } #endif - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxCloseEvent(*this); } protected: bool m_loggingOff; @@ -1091,6 +1125,10 @@ protected: #if WXWIN_COMPATIBILITY bool m_force; #endif + +private: + DECLARE_DYNAMIC_CLASS(wxCloseEvent) + }; /* @@ -1106,11 +1144,12 @@ public: void SetShow(bool show) { m_show = show; } bool GetShow() const { return m_show; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxShowEvent(*this); } protected: bool m_show; +private: DECLARE_DYNAMIC_CLASS(wxShowEvent) }; @@ -1127,12 +1166,14 @@ public: // return true if the frame was iconized, false if restored bool Iconized() const { return m_iconized; } + virtual wxEvent *Clone() const { return new wxIconizeEvent(*this); } + protected: bool m_iconized; +private: DECLARE_DYNAMIC_CLASS(wxIconizeEvent) }; - /* wxEVT_MAXIMIZE */ @@ -1143,6 +1184,9 @@ public: wxMaximizeEvent(int id = 0) { m_eventType = wxEVT_MAXIMIZE; m_id = id; } + virtual wxEvent *Clone() const { return new wxMaximizeEvent(*this); } + +private: DECLARE_DYNAMIC_CLASS(wxMaximizeEvent) }; @@ -1167,8 +1211,6 @@ public: class WXDLLEXPORT wxJoystickEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxJoystickEvent) - public: wxPoint m_pos; int m_zPosition; @@ -1226,7 +1268,10 @@ public: { return (((but == wxJOY_BUTTON_ANY) && (m_buttonState != 0)) || ((m_buttonState & but) == but)); } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxJoystickEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxJoystickEvent) }; // Drop files event class @@ -1236,23 +1281,41 @@ public: class WXDLLEXPORT wxDropFilesEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxDropFilesEvent) - public: int m_noFiles; wxPoint m_pos; - wxString* m_files; // Memory (de)allocated by code calling ProcessEvent + wxString* m_files; wxDropFilesEvent(wxEventType type = wxEVT_NULL, int noFiles = 0, wxString *files = (wxString *) NULL) { m_eventType = type; m_noFiles = noFiles; m_files = files; } + // we need a copy ctor to avoid deleting m_files pointer twice + wxDropFilesEvent(const wxDropFilesEvent& other) + : m_pos(other.m_pos) + { + m_noFiles = other.m_noFiles; + m_files = new wxString[m_noFiles]; + for ( int n = 0; n < m_noFiles; n++ ) + { + m_files[n] = other.m_files[n]; + } + } + + virtual ~wxDropFilesEvent() + { + delete [] m_files; + } + wxPoint GetPosition() const { return m_pos; } int GetNumberOfFiles() const { return m_noFiles; } wxString *GetFiles() const { return m_files; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxDropFilesEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxDropFilesEvent) }; // Update UI event @@ -1262,8 +1325,6 @@ public: class WXDLLEXPORT wxUpdateUIEvent : public wxCommandEvent { - DECLARE_DYNAMIC_CLASS(wxUpdateUIEvent) - public: wxUpdateUIEvent(wxWindowID commandId = 0) { @@ -1288,7 +1349,7 @@ public: void Enable(bool enable) { m_enabled = enable; m_setEnabled = TRUE; } void SetText(const wxString& text) { m_text = text; m_setText = TRUE; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxUpdateUIEvent(*this); } protected: bool m_checked; @@ -1297,6 +1358,9 @@ protected: bool m_setText; bool m_setChecked; wxString m_text; + +private: + DECLARE_DYNAMIC_CLASS(wxUpdateUIEvent) }; /* @@ -1306,11 +1370,14 @@ protected: // TODO: shouldn't all events record the window ID? class WXDLLEXPORT wxSysColourChangedEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxSysColourChangedEvent) - public: wxSysColourChangedEvent() { m_eventType = wxEVT_SYS_COLOUR_CHANGED; } + + virtual wxEvent *Clone() const { return new wxSysColourChangedEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxSysColourChangedEvent) }; /* @@ -1319,8 +1386,6 @@ public: class WXDLLEXPORT wxPaletteChangedEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxPaletteChangedEvent) - public: wxPaletteChangedEvent(wxWindowID id = 0) : wxEvent(id) { @@ -1331,10 +1396,13 @@ public: void SetChangedWindow(wxWindow* win) { m_changedWindow = win; } wxWindow* GetChangedWindow() const { return m_changedWindow; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxPaletteChangedEvent(*this); } protected: wxWindow* m_changedWindow; + +private: + DECLARE_DYNAMIC_CLASS(wxPaletteChangedEvent) }; /* @@ -1344,8 +1412,6 @@ protected: class WXDLLEXPORT wxQueryNewPaletteEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxQueryNewPaletteEvent) - public: wxQueryNewPaletteEvent(wxWindowID id = 0): wxEvent(id) { m_eventType = wxEVT_QUERY_NEW_PALETTE; m_paletteRealized = FALSE; } @@ -1354,10 +1420,13 @@ public: void SetPaletteRealized(bool realized) { m_paletteRealized = realized; } bool GetPaletteRealized() const { return m_paletteRealized; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxQueryNewPaletteEvent(*this); } protected: bool m_paletteRealized; + +private: + DECLARE_DYNAMIC_CLASS(wxQueryNewPaletteEvent) }; /* @@ -1402,6 +1471,8 @@ public: wxWindow* GetCurrentFocus() const { return m_focus; } void SetCurrentFocus(wxWindow *win) { m_focus = win; } + virtual wxEvent *Clone() const { return new wxNavigationKeyEvent(*this); } + private: enum { @@ -1413,6 +1484,7 @@ private: long m_flags; wxWindow *m_focus; +private: DECLARE_DYNAMIC_CLASS(wxNavigationKeyEvent) }; @@ -1428,22 +1500,28 @@ private: class WXDLLEXPORT wxWindowCreateEvent : public wxCommandEvent { - DECLARE_DYNAMIC_CLASS(wxWindowCreateEvent) - public: wxWindowCreateEvent(wxWindow *win = NULL); wxWindow *GetWindow() const { return (wxWindow *)GetEventObject(); } + + virtual wxEvent *Clone() const { return new wxWindowCreateEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxWindowCreateEvent) }; class WXDLLEXPORT wxWindowDestroyEvent : public wxCommandEvent { - DECLARE_DYNAMIC_CLASS(wxWindowDestroyEvent) - public: wxWindowDestroyEvent(wxWindow *win = NULL); wxWindow *GetWindow() const { return (wxWindow *)GetEventObject(); } + + virtual wxEvent *Clone() const { return new wxWindowDestroyEvent(*this); } + +private: + DECLARE_DYNAMIC_CLASS(wxWindowDestroyEvent) }; // A help event is sent when the user clicks on a window in context-help mode. @@ -1476,6 +1554,8 @@ public: const wxString& GetTarget() const { return m_target; } void SetTarget(const wxString& target) { m_target = target; } + virtual wxEvent *Clone() const { return new wxHelpEvent(*this); } + protected: wxPoint m_pos; wxString m_target; @@ -1509,6 +1589,8 @@ public: const wxPoint& GetPosition() const { return m_pos; } void SetPosition(const wxPoint& pos) { m_pos = pos; } + virtual wxEvent *Clone() const { return new wxContextMenuEvent(*this); } + protected: wxPoint m_pos; @@ -1523,8 +1605,6 @@ private: class WXDLLEXPORT wxIdleEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxIdleEvent) - public: wxIdleEvent() { m_eventType = wxEVT_IDLE; m_requestMore = FALSE; } @@ -1532,10 +1612,13 @@ public: void RequestMore(bool needMore = TRUE) { m_requestMore = needMore; } bool MoreRequested() const { return m_requestMore; } - void CopyObject(wxObject& obj) const; + virtual wxEvent *Clone() const { return new wxIdleEvent(*this); } protected: bool m_requestMore; + +private: + DECLARE_DYNAMIC_CLASS(wxIdleEvent) }; #endif // wxUSE_GUI @@ -1651,7 +1734,7 @@ struct WXDLLEXPORT wxEventTable // wxEvtHandler: the base class for all objects handling wxWindows events // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxEvtHandler : public wxObject, public wxClientDataContainer +class WXDLLEXPORT wxEvtHandler : public wxObject { public: wxEvtHandler(); @@ -1701,6 +1784,15 @@ public: wxObject *userData = (wxObject *) NULL ) { return Disconnect(id, -1, eventType, func, userData); } + + // User data can be associated with each wxEvtHandler + void SetClientObject( wxClientData *data ) { DoSetClientObject(data); } + wxClientData *GetClientObject() const { return DoGetClientObject(); } + + void SetClientData( void *data ) { DoSetClientData(data); } + void *GetClientData() const { return DoGetClientData(); } + + // implementation from now on virtual bool SearchEventTable(wxEventTable& table, wxEvent& event); bool SearchDynamicEventTable( wxEvent& event ); @@ -1761,6 +1853,29 @@ protected: // Is event handler enabled? bool m_enabled; + + // The user data: either an object which will be deleted by the container + // when it's deleted or some raw pointer which we do nothing with - only + // one type of data can be used with the given window (i.e. you cannot set + // the void data and then associate the container with wxClientData or vice + // versa) + union + { + wxClientData *m_clientObject; + void *m_clientData; + }; + + // what kind of data do we have? + wxClientDataType m_clientDataType; + + // client data accessors + virtual void DoSetClientObject( wxClientData *data ); + virtual wxClientData *DoGetClientObject() const; + + virtual void DoSetClientData( void *data ); + virtual void *DoGetClientData() const; + + private: DECLARE_DYNAMIC_CLASS(wxEvtHandler) };