1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/event.cpp
3 // Purpose: Event classes
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
28 #include "wx/evtloop.h"
35 #include "wx/stopwatch.h"
36 #include "wx/module.h"
39 #include "wx/window.h"
40 #include "wx/control.h"
42 #include "wx/spinbutt.h"
43 #include "wx/textctrl.h"
44 #include "wx/validate.h"
48 #include "wx/thread.h"
51 #include "wx/scopedptr.h"
53 wxDECLARE_SCOPED_PTR(wxEvent
, wxEventPtr
)
54 wxDEFINE_SCOPED_PTR(wxEvent
, wxEventPtr
)
57 // ----------------------------------------------------------------------------
59 // ----------------------------------------------------------------------------
62 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler
, wxObject
)
63 IMPLEMENT_ABSTRACT_CLASS(wxEvent
, wxObject
)
64 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent
, wxEvent
)
68 IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent
, wxEvent
)
69 IMPLEMENT_DYNAMIC_CLASS(wxThreadEvent
, wxCommandEvent
)
70 IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent
, wxCommandEvent
)
71 IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent
, wxCommandEvent
)
72 IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent
, wxEvent
)
73 IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent
, wxEvent
)
74 IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent
, wxEvent
)
75 IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent
, wxEvent
)
76 IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent
, wxEvent
)
77 IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent
, wxEvent
)
78 IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent
, wxEvent
)
79 IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent
, wxEvent
)
80 IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent
, wxEvent
)
81 IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent
, wxCommandEvent
)
82 IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent
, wxEvent
)
83 IMPLEMENT_DYNAMIC_CLASS(wxShowEvent
, wxEvent
)
84 IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent
, wxEvent
)
85 IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent
, wxEvent
)
86 IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent
, wxEvent
)
87 IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent
, wxEvent
)
88 IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent
, wxEvent
)
89 IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent
, wxEvent
)
90 IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent
, wxEvent
)
91 IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent
, wxEvent
)
92 IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent
, wxEvent
)
93 IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent
, wxEvent
)
94 IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent
, wxCommandEvent
)
95 IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent
, wxEvent
)
96 IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent
, wxEvent
)
97 IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent
, wxEvent
)
98 IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent
, wxEvent
)
99 IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent
, wxEvent
)
100 IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent
, wxCommandEvent
)
101 IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent
, wxCommandEvent
)
102 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent
, wxEvent
)
103 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureLostEvent
, wxEvent
)
104 IMPLEMENT_DYNAMIC_CLASS(wxClipboardTextEvent
, wxCommandEvent
)
109 const wxEventTable
*wxEvtHandler::GetEventTable() const
110 { return &wxEvtHandler::sm_eventTable
; }
112 const wxEventTable
wxEvtHandler::sm_eventTable
=
113 { (const wxEventTable
*)NULL
, &wxEvtHandler::sm_eventTableEntries
[0] };
115 wxEventHashTable
&wxEvtHandler::GetEventHashTable() const
116 { return wxEvtHandler::sm_eventHashTable
; }
118 wxEventHashTable
wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable
);
120 const wxEventTableEntry
wxEvtHandler::sm_eventTableEntries
[] =
121 { DECLARE_EVENT_TABLE_TERMINATOR() };
124 // wxUSE_MEMORY_TRACING considers memory freed from the static objects dtors
125 // leaked, so we need to manually clean up all event tables before checking for
126 // the memory leaks when using it, however this breaks re-initializing the
127 // library (i.e. repeated calls to wxInitialize/wxUninitialize) because the
128 // event tables won't be rebuilt the next time, so disable this by default
129 #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
131 class wxEventTableEntryModule
: public wxModule
134 wxEventTableEntryModule() { }
135 virtual bool OnInit() { return true; }
136 virtual void OnExit() { wxEventHashTable::ClearAll(); }
138 DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule
)
141 IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule
, wxModule
)
143 #endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
145 // ----------------------------------------------------------------------------
147 // ----------------------------------------------------------------------------
149 // common event types are defined here, other event types are defined by the
150 // components which use them
152 const wxEventType wxEVT_FIRST
= 10000;
153 const wxEventType wxEVT_USER_FIRST
= wxEVT_FIRST
+ 2000;
155 DEFINE_EVENT_TYPE(wxEVT_NULL
)
156 wxDEFINE_EVENT( wxEVT_IDLE
, wxIdleEvent
);
162 wxDEFINE_EVENT( wxEVT_COMMAND_BUTTON_CLICKED
, wxCommandEvent
);
163 wxDEFINE_EVENT( wxEVT_COMMAND_CHECKBOX_CLICKED
, wxCommandEvent
);
164 wxDEFINE_EVENT( wxEVT_COMMAND_CHOICE_SELECTED
, wxCommandEvent
);
165 wxDEFINE_EVENT( wxEVT_COMMAND_LISTBOX_SELECTED
, wxCommandEvent
);
166 wxDEFINE_EVENT( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED
, wxCommandEvent
);
167 wxDEFINE_EVENT( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED
, wxCommandEvent
);
168 wxDEFINE_EVENT( wxEVT_COMMAND_MENU_SELECTED
, wxCommandEvent
);
169 wxDEFINE_EVENT( wxEVT_COMMAND_SLIDER_UPDATED
, wxCommandEvent
);
170 wxDEFINE_EVENT( wxEVT_COMMAND_RADIOBOX_SELECTED
, wxCommandEvent
);
171 wxDEFINE_EVENT( wxEVT_COMMAND_RADIOBUTTON_SELECTED
, wxCommandEvent
);
172 wxDEFINE_EVENT( wxEVT_COMMAND_SCROLLBAR_UPDATED
, wxCommandEvent
);
173 wxDEFINE_EVENT( wxEVT_COMMAND_VLBOX_SELECTED
, wxCommandEvent
);
174 wxDEFINE_EVENT( wxEVT_COMMAND_COMBOBOX_SELECTED
, wxCommandEvent
);
175 wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_RCLICKED
, wxCommandEvent
);
176 wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_ENTER
, wxCommandEvent
);
177 wxDEFINE_EVENT( wxEVT_COMMAND_SPINCTRL_UPDATED
, wxCommandEvent
);
178 wxDEFINE_EVENT( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED
, wxCommandEvent
);
179 wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED
, wxCommandEvent
);
182 wxDEFINE_EVENT( wxEVT_LEFT_DOWN
, wxMouseEvent
);
183 wxDEFINE_EVENT( wxEVT_LEFT_UP
, wxMouseEvent
);
184 wxDEFINE_EVENT( wxEVT_MIDDLE_DOWN
, wxMouseEvent
);
185 wxDEFINE_EVENT( wxEVT_MIDDLE_UP
, wxMouseEvent
);
186 wxDEFINE_EVENT( wxEVT_RIGHT_DOWN
, wxMouseEvent
);
187 wxDEFINE_EVENT( wxEVT_RIGHT_UP
, wxMouseEvent
);
188 wxDEFINE_EVENT( wxEVT_MOTION
, wxMouseEvent
);
189 wxDEFINE_EVENT( wxEVT_ENTER_WINDOW
, wxMouseEvent
);
190 wxDEFINE_EVENT( wxEVT_LEAVE_WINDOW
, wxMouseEvent
);
191 wxDEFINE_EVENT( wxEVT_LEFT_DCLICK
, wxMouseEvent
);
192 wxDEFINE_EVENT( wxEVT_MIDDLE_DCLICK
, wxMouseEvent
);
193 wxDEFINE_EVENT( wxEVT_RIGHT_DCLICK
, wxMouseEvent
);
194 wxDEFINE_EVENT( wxEVT_SET_FOCUS
, wxFocusEvent
);
195 wxDEFINE_EVENT( wxEVT_KILL_FOCUS
, wxFocusEvent
);
196 wxDEFINE_EVENT( wxEVT_CHILD_FOCUS
, wxChildFocusEvent
);
197 wxDEFINE_EVENT( wxEVT_MOUSEWHEEL
, wxMouseEvent
);
198 wxDEFINE_EVENT( wxEVT_AUX1_DOWN
, wxMouseEvent
);
199 wxDEFINE_EVENT( wxEVT_AUX1_UP
, wxMouseEvent
);
200 wxDEFINE_EVENT( wxEVT_AUX1_DCLICK
, wxMouseEvent
);
201 wxDEFINE_EVENT( wxEVT_AUX2_DOWN
, wxMouseEvent
);
202 wxDEFINE_EVENT( wxEVT_AUX2_UP
, wxMouseEvent
);
203 wxDEFINE_EVENT( wxEVT_AUX2_DCLICK
, wxMouseEvent
);
205 // Character input event type
206 wxDEFINE_EVENT( wxEVT_CHAR
, wxKeyEvent
);
207 wxDEFINE_EVENT( wxEVT_CHAR_HOOK
, wxKeyEvent
);
208 wxDEFINE_EVENT( wxEVT_NAVIGATION_KEY
, wxNavigationKeyEvent
);
209 wxDEFINE_EVENT( wxEVT_KEY_DOWN
, wxKeyEvent
);
210 wxDEFINE_EVENT( wxEVT_KEY_UP
, wxKeyEvent
);
212 wxDEFINE_EVENT( wxEVT_HOTKEY
, wxKeyEvent
);
216 wxDEFINE_EVENT( wxEVT_SET_CURSOR
, wxSetCursorEvent
);
218 // wxScrollbar and wxSlider event identifiers
219 wxDEFINE_EVENT( wxEVT_SCROLL_TOP
, wxScrollEvent
);
220 wxDEFINE_EVENT( wxEVT_SCROLL_BOTTOM
, wxScrollEvent
);
221 wxDEFINE_EVENT( wxEVT_SCROLL_LINEUP
, wxScrollEvent
);
222 wxDEFINE_EVENT( wxEVT_SCROLL_LINEDOWN
, wxScrollEvent
);
223 wxDEFINE_EVENT( wxEVT_SCROLL_PAGEUP
, wxScrollEvent
);
224 wxDEFINE_EVENT( wxEVT_SCROLL_PAGEDOWN
, wxScrollEvent
);
225 wxDEFINE_EVENT( wxEVT_SCROLL_THUMBTRACK
, wxScrollEvent
);
226 wxDEFINE_EVENT( wxEVT_SCROLL_THUMBRELEASE
, wxScrollEvent
);
227 wxDEFINE_EVENT( wxEVT_SCROLL_CHANGED
, wxScrollEvent
);
229 // Due to a bug in older wx versions, wxSpinEvents were being sent with type of
230 // wxEVT_SCROLL_LINEUP, wxEVT_SCROLL_LINEDOWN and wxEVT_SCROLL_THUMBTRACK. But
231 // with the type-safe events in place, these event types are associated with
232 // wxScrollEvent. To allow handling of spin events, new event types have been
233 // defined in spinbutt.h/spinnbuttcmn.cpp. To maintain backward compatibility
234 // the spin event types are being initialized with the scroll event types.
238 wxDEFINE_EVENT_ALIAS( wxEVT_SPIN_UP
, wxSpinEvent
, wxEVT_SCROLL_LINEUP
);
239 wxDEFINE_EVENT_ALIAS( wxEVT_SPIN_DOWN
, wxSpinEvent
, wxEVT_SCROLL_LINEDOWN
);
240 wxDEFINE_EVENT_ALIAS( wxEVT_SPIN
, wxSpinEvent
, wxEVT_SCROLL_THUMBTRACK
);
242 #endif // wxUSE_SPINBTN
244 // Scroll events from wxWindow
245 wxDEFINE_EVENT( wxEVT_SCROLLWIN_TOP
, wxScrollWinEvent
);
246 wxDEFINE_EVENT( wxEVT_SCROLLWIN_BOTTOM
, wxScrollWinEvent
);
247 wxDEFINE_EVENT( wxEVT_SCROLLWIN_LINEUP
, wxScrollWinEvent
);
248 wxDEFINE_EVENT( wxEVT_SCROLLWIN_LINEDOWN
, wxScrollWinEvent
);
249 wxDEFINE_EVENT( wxEVT_SCROLLWIN_PAGEUP
, wxScrollWinEvent
);
250 wxDEFINE_EVENT( wxEVT_SCROLLWIN_PAGEDOWN
, wxScrollWinEvent
);
251 wxDEFINE_EVENT( wxEVT_SCROLLWIN_THUMBTRACK
, wxScrollWinEvent
);
252 wxDEFINE_EVENT( wxEVT_SCROLLWIN_THUMBRELEASE
, wxScrollWinEvent
);
255 wxDEFINE_EVENT( wxEVT_SIZE
, wxSizeEvent
);
256 wxDEFINE_EVENT( wxEVT_SIZING
, wxSizeEvent
);
257 wxDEFINE_EVENT( wxEVT_MOVE
, wxMoveEvent
);
258 wxDEFINE_EVENT( wxEVT_MOVING
, wxMoveEvent
);
259 wxDEFINE_EVENT( wxEVT_MOVE_START
, wxMoveEvent
);
260 wxDEFINE_EVENT( wxEVT_MOVE_END
, wxMoveEvent
);
261 wxDEFINE_EVENT( wxEVT_CLOSE_WINDOW
, wxCloseEvent
);
262 wxDEFINE_EVENT( wxEVT_END_SESSION
, wxCloseEvent
);
263 wxDEFINE_EVENT( wxEVT_QUERY_END_SESSION
, wxCloseEvent
);
264 wxDEFINE_EVENT( wxEVT_HIBERNATE
, wxActivateEvent
);
265 wxDEFINE_EVENT( wxEVT_ACTIVATE_APP
, wxActivateEvent
);
266 wxDEFINE_EVENT( wxEVT_ACTIVATE
, wxActivateEvent
);
267 wxDEFINE_EVENT( wxEVT_CREATE
, wxWindowCreateEvent
);
268 wxDEFINE_EVENT( wxEVT_DESTROY
, wxWindowDestroyEvent
);
269 wxDEFINE_EVENT( wxEVT_SHOW
, wxShowEvent
);
270 wxDEFINE_EVENT( wxEVT_ICONIZE
, wxIconizeEvent
);
271 wxDEFINE_EVENT( wxEVT_MAXIMIZE
, wxMaximizeEvent
);
272 wxDEFINE_EVENT( wxEVT_MOUSE_CAPTURE_CHANGED
, wxMouseCaptureChangedEvent
);
273 wxDEFINE_EVENT( wxEVT_MOUSE_CAPTURE_LOST
, wxMouseCaptureLostEvent
);
274 wxDEFINE_EVENT( wxEVT_PAINT
, wxPaintEvent
);
275 wxDEFINE_EVENT( wxEVT_ERASE_BACKGROUND
, wxEraseEvent
);
276 wxDEFINE_EVENT( wxEVT_NC_PAINT
, wxNcPaintEvent
);
277 wxDEFINE_EVENT( wxEVT_MENU_OPEN
, wxMenuEvent
);
278 wxDEFINE_EVENT( wxEVT_MENU_CLOSE
, wxMenuEvent
);
279 wxDEFINE_EVENT( wxEVT_MENU_HIGHLIGHT
, wxMenuEvent
);
280 wxDEFINE_EVENT( wxEVT_CONTEXT_MENU
, wxContextMenuEvent
);
281 wxDEFINE_EVENT( wxEVT_SYS_COLOUR_CHANGED
, wxSysColourChangedEvent
);
282 wxDEFINE_EVENT( wxEVT_DISPLAY_CHANGED
, wxDisplayChangedEvent
);
283 wxDEFINE_EVENT( wxEVT_QUERY_NEW_PALETTE
, wxQueryNewPaletteEvent
);
284 wxDEFINE_EVENT( wxEVT_PALETTE_CHANGED
, wxPaletteChangedEvent
);
285 wxDEFINE_EVENT( wxEVT_JOY_BUTTON_DOWN
, wxJoystickEvent
);
286 wxDEFINE_EVENT( wxEVT_JOY_BUTTON_UP
, wxJoystickEvent
);
287 wxDEFINE_EVENT( wxEVT_JOY_MOVE
, wxJoystickEvent
);
288 wxDEFINE_EVENT( wxEVT_JOY_ZMOVE
, wxJoystickEvent
);
289 wxDEFINE_EVENT( wxEVT_DROP_FILES
, wxDropFilesEvent
);
290 wxDEFINE_EVENT( wxEVT_INIT_DIALOG
, wxInitDialogEvent
);
291 wxDEFINE_EVENT( wxEVT_UPDATE_UI
, wxUpdateUIEvent
);
294 wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_COPY
, wxClipboardTextEvent
);
295 wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_CUT
, wxClipboardTextEvent
);
296 wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_PASTE
, wxClipboardTextEvent
);
298 // Generic command events
299 // Note: a click is a higher-level event than button down/up
300 wxDEFINE_EVENT( wxEVT_COMMAND_LEFT_CLICK
, wxCommandEvent
);
301 wxDEFINE_EVENT( wxEVT_COMMAND_LEFT_DCLICK
, wxCommandEvent
);
302 wxDEFINE_EVENT( wxEVT_COMMAND_RIGHT_CLICK
, wxCommandEvent
);
303 wxDEFINE_EVENT( wxEVT_COMMAND_RIGHT_DCLICK
, wxCommandEvent
);
304 wxDEFINE_EVENT( wxEVT_COMMAND_SET_FOCUS
, wxCommandEvent
);
305 wxDEFINE_EVENT( wxEVT_COMMAND_KILL_FOCUS
, wxCommandEvent
);
306 wxDEFINE_EVENT( wxEVT_COMMAND_ENTER
, wxCommandEvent
);
309 wxDEFINE_EVENT( wxEVT_HELP
, wxHelpEvent
);
310 wxDEFINE_EVENT( wxEVT_DETAILED_HELP
, wxHelpEvent
);
313 wxDEFINE_EVENT( wxEVT_COMMAND_THREAD
, wxThreadEvent
);
319 wxIdleMode
wxIdleEvent::sm_idleMode
= wxIDLE_PROCESS_ALL
;
321 // ============================================================================
323 // ============================================================================
325 // ----------------------------------------------------------------------------
326 // event initialization
327 // ----------------------------------------------------------------------------
332 static int s_lastUsedEventType
= wxEVT_FIRST
;
334 return s_lastUsedEventType
++;
336 // ----------------------------------------------------------------------------
338 // ----------------------------------------------------------------------------
340 wxEventFunctor::~wxEventFunctor()
344 // ----------------------------------------------------------------------------
346 // ----------------------------------------------------------------------------
349 * General wxWidgets events, covering all interesting things that might happen
350 * (button clicking, resizing, setting text in widgets, etc.).
352 * For each completely new event type, derive a new event class.
356 wxEvent::wxEvent(int theId
, wxEventType commandType
)
358 m_eventType
= commandType
;
359 m_eventObject
= NULL
;
363 m_callbackUserData
= NULL
;
364 m_isCommandEvent
= false;
365 m_propagationLevel
= wxEVENT_PROPAGATE_NONE
;
366 m_wasProcessed
= false;
369 wxEvent::wxEvent(const wxEvent
& src
)
371 , m_eventObject(src
.m_eventObject
)
372 , m_eventType(src
.m_eventType
)
373 , m_timeStamp(src
.m_timeStamp
)
375 , m_callbackUserData(src
.m_callbackUserData
)
376 , m_propagationLevel(src
.m_propagationLevel
)
377 , m_skipped(src
.m_skipped
)
378 , m_isCommandEvent(src
.m_isCommandEvent
)
379 , m_wasProcessed(false)
383 wxEvent
& wxEvent::operator=(const wxEvent
& src
)
385 wxObject::operator=(src
);
387 m_eventObject
= src
.m_eventObject
;
388 m_eventType
= src
.m_eventType
;
389 m_timeStamp
= src
.m_timeStamp
;
391 m_callbackUserData
= src
.m_callbackUserData
;
392 m_propagationLevel
= src
.m_propagationLevel
;
393 m_skipped
= src
.m_skipped
;
394 m_isCommandEvent
= src
.m_isCommandEvent
;
396 // don't change m_wasProcessed
411 // 'this' : used in base member initializer list (for m_commandString)
412 #pragma warning(disable:4355)
415 wxCommandEvent::wxCommandEvent(wxEventType commandType
, int theId
)
416 : wxEvent(theId
, commandType
)
419 m_clientObject
= NULL
;
422 m_isCommandEvent
= true;
424 // the command events are propagated upwards by default
425 m_propagationLevel
= wxEVENT_PROPAGATE_MAX
;
429 #pragma warning(default:4355)
432 wxString
wxCommandEvent::GetString() const
434 if (m_eventType
!= wxEVT_COMMAND_TEXT_UPDATED
|| !m_eventObject
)
441 wxTextCtrl
*txt
= wxDynamicCast(m_eventObject
, wxTextCtrl
);
443 return txt
->GetValue();
445 #endif // wxUSE_TEXTCTRL
455 wxLongLong
wxUpdateUIEvent::sm_lastUpdate
= 0;
458 long wxUpdateUIEvent::sm_updateInterval
= 0;
460 wxUpdateUIMode
wxUpdateUIEvent::sm_updateMode
= wxUPDATE_UI_PROCESS_ALL
;
463 bool wxUpdateUIEvent::CanUpdate(wxWindowBase
*win
)
465 // Don't update if we've switched global updating off
466 // and this window doesn't support updates.
468 (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED
&&
469 ((win
->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES
) == 0)))
472 if (sm_updateInterval
== -1)
475 if (sm_updateInterval
== 0)
478 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
479 wxLongLong now
= wxGetLocalTimeMillis();
480 if (now
> (sm_lastUpdate
+ sm_updateInterval
))
487 // If we don't have wxStopWatch or wxLongLong, we
488 // should err on the safe side and update now anyway.
493 // Reset the update time to provide a delay until the next
494 // time we should update
495 void wxUpdateUIEvent::ResetUpdateTime()
497 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
498 if (sm_updateInterval
> 0)
500 wxLongLong now
= wxGetLocalTimeMillis();
501 if (now
> (sm_lastUpdate
+ sm_updateInterval
))
513 wxScrollEvent::wxScrollEvent(wxEventType commandType
,
517 : wxCommandEvent(commandType
, id
)
519 m_extraLong
= orient
;
527 wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType
,
531 m_eventType
= commandType
;
532 m_extraLong
= orient
;
541 wxMouseEvent::wxMouseEvent(wxEventType commandType
)
543 m_eventType
= commandType
;
549 m_middleDown
= false;
558 m_linesPerAction
= 0;
562 void wxMouseEvent::Assign(const wxMouseEvent
& event
)
564 wxEvent::operator=(event
);
566 // Borland C++ 5.82 doesn't compile an explicit call to an implicitly
567 // defined operator=() so need to do it this way:
568 *static_cast<wxMouseState
*>(this) = event
;
573 m_leftDown
= event
.m_leftDown
;
574 m_middleDown
= event
.m_middleDown
;
575 m_rightDown
= event
.m_rightDown
;
576 m_aux1Down
= event
.m_aux1Down
;
577 m_aux2Down
= event
.m_aux2Down
;
579 m_wheelRotation
= event
.m_wheelRotation
;
580 m_wheelDelta
= event
.m_wheelDelta
;
581 m_linesPerAction
= event
.m_linesPerAction
;
582 m_wheelAxis
= event
.m_wheelAxis
;
585 // return true if was a button dclick event
586 bool wxMouseEvent::ButtonDClick(int but
) const
591 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
594 case wxMOUSE_BTN_ANY
:
595 return (LeftDClick() || MiddleDClick() || RightDClick() ||
596 Aux1DClick() || Aux2DClick());
598 case wxMOUSE_BTN_LEFT
:
601 case wxMOUSE_BTN_MIDDLE
:
602 return MiddleDClick();
604 case wxMOUSE_BTN_RIGHT
:
605 return RightDClick();
607 case wxMOUSE_BTN_AUX1
:
610 case wxMOUSE_BTN_AUX2
:
615 // return true if was a button down event
616 bool wxMouseEvent::ButtonDown(int but
) const
621 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
624 case wxMOUSE_BTN_ANY
:
625 return (LeftDown() || MiddleDown() || RightDown() ||
626 Aux1Down() || Aux2Down());
628 case wxMOUSE_BTN_LEFT
:
631 case wxMOUSE_BTN_MIDDLE
:
634 case wxMOUSE_BTN_RIGHT
:
637 case wxMOUSE_BTN_AUX1
:
640 case wxMOUSE_BTN_AUX2
:
645 // return true if was a button up event
646 bool wxMouseEvent::ButtonUp(int but
) const
651 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
654 case wxMOUSE_BTN_ANY
:
655 return (LeftUp() || MiddleUp() || RightUp() ||
656 Aux1Up() || Aux2Up());
658 case wxMOUSE_BTN_LEFT
:
661 case wxMOUSE_BTN_MIDDLE
:
664 case wxMOUSE_BTN_RIGHT
:
667 case wxMOUSE_BTN_AUX1
:
670 case wxMOUSE_BTN_AUX2
:
675 // return true if the given button is currently changing state
676 bool wxMouseEvent::Button(int but
) const
681 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
684 case wxMOUSE_BTN_ANY
:
685 return ButtonUp(wxMOUSE_BTN_ANY
) ||
686 ButtonDown(wxMOUSE_BTN_ANY
) ||
687 ButtonDClick(wxMOUSE_BTN_ANY
);
689 case wxMOUSE_BTN_LEFT
:
690 return LeftDown() || LeftUp() || LeftDClick();
692 case wxMOUSE_BTN_MIDDLE
:
693 return MiddleDown() || MiddleUp() || MiddleDClick();
695 case wxMOUSE_BTN_RIGHT
:
696 return RightDown() || RightUp() || RightDClick();
698 case wxMOUSE_BTN_AUX1
:
699 return Aux1Down() || Aux1Up() || Aux1DClick();
701 case wxMOUSE_BTN_AUX2
:
702 return Aux2Down() || Aux2Up() || Aux2DClick();
706 bool wxMouseEvent::ButtonIsDown(int but
) const
711 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
714 case wxMOUSE_BTN_ANY
:
715 return LeftIsDown() || MiddleIsDown() || RightIsDown() || Aux1Down() || Aux2Down();
717 case wxMOUSE_BTN_LEFT
:
720 case wxMOUSE_BTN_MIDDLE
:
721 return MiddleIsDown();
723 case wxMOUSE_BTN_RIGHT
:
724 return RightIsDown();
726 case wxMOUSE_BTN_AUX1
:
729 case wxMOUSE_BTN_AUX2
:
734 int wxMouseEvent::GetButton() const
736 for ( int i
= 1; i
< wxMOUSE_BTN_MAX
; i
++ )
744 return wxMOUSE_BTN_NONE
;
747 // Find the logical position of the event given the DC
748 wxPoint
wxMouseEvent::GetLogicalPosition(const wxDC
& dc
) const
750 wxPoint
pt(dc
.DeviceToLogicalX(m_x
), dc
.DeviceToLogicalY(m_y
));
760 wxKeyEvent::wxKeyEvent(wxEventType type
)
769 wxKeyEvent::wxKeyEvent(const wxKeyEvent
& evt
)
776 m_keyCode
= evt
.m_keyCode
;
777 m_rawCode
= evt
.m_rawCode
;
778 m_rawFlags
= evt
.m_rawFlags
;
781 m_uniChar
= evt
.m_uniChar
;
785 wxWindowCreateEvent::wxWindowCreateEvent(wxWindow
*win
)
787 SetEventType(wxEVT_CREATE
);
791 wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow
*win
)
793 SetEventType(wxEVT_DESTROY
);
797 wxChildFocusEvent::wxChildFocusEvent(wxWindow
*win
)
798 : wxCommandEvent(wxEVT_CHILD_FOCUS
)
803 // ----------------------------------------------------------------------------
805 // ----------------------------------------------------------------------------
808 wxHelpEvent::Origin
wxHelpEvent::GuessOrigin(Origin origin
)
810 if ( origin
== Origin_Unknown
)
812 // assume that the event comes from the help button if it's not from
813 // keyboard and that pressing F1 always results in the help event
814 origin
= wxGetKeyState(WXK_F1
) ? Origin_Keyboard
: Origin_HelpButton
;
825 // ----------------------------------------------------------------------------
827 // ----------------------------------------------------------------------------
829 static const int EVENT_TYPE_TABLE_INIT_SIZE
= 31; // Not too big not too small...
831 wxEventHashTable
* wxEventHashTable::sm_first
= NULL
;
833 wxEventHashTable::wxEventHashTable(const wxEventTable
&table
)
837 AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE
);
841 m_next
->m_previous
= this;
845 wxEventHashTable::~wxEventHashTable()
848 m_next
->m_previous
= m_previous
;
850 m_previous
->m_next
= m_next
;
851 if (sm_first
== this)
857 void wxEventHashTable::Clear()
859 for ( size_t i
= 0; i
< m_size
; i
++ )
861 EventTypeTablePointer eTTnode
= m_eventTypeTable
[i
];
865 delete[] m_eventTypeTable
;
866 m_eventTypeTable
= NULL
;
871 #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
874 void wxEventHashTable::ClearAll()
876 wxEventHashTable
* table
= sm_first
;
880 table
= table
->m_next
;
884 #endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
886 bool wxEventHashTable::HandleEvent(wxEvent
&event
, wxEvtHandler
*self
)
891 m_rebuildHash
= false;
894 if (!m_eventTypeTable
)
897 // Find all entries for the given event type.
898 wxEventType eventType
= event
.GetEventType();
899 const EventTypeTablePointer eTTnode
= m_eventTypeTable
[eventType
% m_size
];
900 if (eTTnode
&& eTTnode
->eventType
== eventType
)
902 // Now start the search for an event handler
903 // that can handle an event with the given ID.
904 const wxEventTableEntryPointerArray
&
905 eventEntryTable
= eTTnode
->eventEntryTable
;
907 const size_t count
= eventEntryTable
.GetCount();
908 for (size_t n
= 0; n
< count
; n
++)
910 const wxEventTableEntry
& entry
= *eventEntryTable
[n
];
911 if ( wxEvtHandler::ProcessEventIfMatchesId(entry
, self
, event
) )
919 void wxEventHashTable::InitHashTable()
921 // Loop over the event tables and all its base tables.
922 const wxEventTable
*table
= &m_table
;
925 // Retrieve all valid event handler entries
926 const wxEventTableEntry
*entry
= table
->entries
;
927 while (entry
->m_fn
!= 0)
929 // Add the event entry in the Hash.
935 table
= table
->baseTable
;
938 // Lets free some memory.
940 for(i
= 0; i
< m_size
; i
++)
942 EventTypeTablePointer eTTnode
= m_eventTypeTable
[i
];
945 eTTnode
->eventEntryTable
.Shrink();
950 void wxEventHashTable::AddEntry(const wxEventTableEntry
&entry
)
952 // This might happen 'accidentally' as the app is exiting
953 if (!m_eventTypeTable
)
956 EventTypeTablePointer
*peTTnode
= &m_eventTypeTable
[entry
.m_eventType
% m_size
];
957 EventTypeTablePointer eTTnode
= *peTTnode
;
961 if (eTTnode
->eventType
!= entry
.m_eventType
)
964 GrowEventTypeTable();
965 // Try again to add it.
972 eTTnode
= new EventTypeTable
;
973 eTTnode
->eventType
= entry
.m_eventType
;
977 // Fill all hash entries between entry.m_id and entry.m_lastId...
978 eTTnode
->eventEntryTable
.Add(&entry
);
981 void wxEventHashTable::AllocEventTypeTable(size_t size
)
983 m_eventTypeTable
= new EventTypeTablePointer
[size
];
984 memset((void *)m_eventTypeTable
, 0, sizeof(EventTypeTablePointer
)*size
);
988 void wxEventHashTable::GrowEventTypeTable()
990 size_t oldSize
= m_size
;
991 EventTypeTablePointer
*oldEventTypeTable
= m_eventTypeTable
;
993 // TODO: Search the most optimal grow sequence
994 AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize
*2+1);
996 for ( size_t i
= 0; i
< oldSize
; /* */ )
998 EventTypeTablePointer eTToldNode
= oldEventTypeTable
[i
];
1001 EventTypeTablePointer
*peTTnode
= &m_eventTypeTable
[eTToldNode
->eventType
% m_size
];
1002 EventTypeTablePointer eTTnode
= *peTTnode
;
1004 // Check for collision, we don't want any.
1007 GrowEventTypeTable();
1008 continue; // Don't increment the counter,
1009 // as we still need to add this element.
1013 // Get the old value and put it in the new table.
1014 *peTTnode
= oldEventTypeTable
[i
];
1021 delete[] oldEventTypeTable
;
1024 // ----------------------------------------------------------------------------
1026 // ----------------------------------------------------------------------------
1028 wxEvtHandler::wxEvtHandler()
1030 m_nextHandler
= NULL
;
1031 m_previousHandler
= NULL
;
1033 m_dynamicEvents
= NULL
;
1034 m_pendingEvents
= NULL
;
1036 // no client data (yet)
1037 m_clientData
= NULL
;
1038 m_clientDataType
= wxClientData_None
;
1041 wxEvtHandler::~wxEvtHandler()
1045 if (m_dynamicEvents
)
1047 for ( wxList::iterator it
= m_dynamicEvents
->begin(),
1048 end
= m_dynamicEvents
->end();
1052 wxDynamicEventTableEntry
*entry
= (wxDynamicEventTableEntry
*)*it
;
1054 // Remove ourselves from sink destructor notifications
1055 // (this has usually been done, in wxTrackable destructor)
1056 wxEvtHandler
*eventSink
= entry
->m_fn
->GetEvtHandler();
1059 wxEventConnectionRef
* const
1060 evtConnRef
= FindRefInTrackerList(eventSink
);
1063 eventSink
->RemoveNode(evtConnRef
);
1068 delete entry
->m_callbackUserData
;
1071 delete m_dynamicEvents
;
1074 if (m_pendingEvents
)
1075 m_pendingEvents
->DeleteContents(true);
1076 delete m_pendingEvents
;
1078 // Remove us from the list of the pending events if necessary.
1079 wxEventLoopBase
*loop
= wxEventLoopBase::GetActive();
1081 loop
->RemovePendingEventHandler(this);
1083 // we only delete object data, not untyped
1084 if ( m_clientDataType
== wxClientData_Object
)
1085 delete m_clientObject
;
1088 void wxEvtHandler::Unlink()
1090 // this event handler must take itself out of the chain of handlers:
1092 if (m_previousHandler
)
1093 m_previousHandler
->SetNextHandler(m_nextHandler
);
1096 m_nextHandler
->SetPreviousHandler(m_previousHandler
);
1098 m_nextHandler
= NULL
;
1099 m_previousHandler
= NULL
;
1102 bool wxEvtHandler::IsUnlinked() const
1104 return m_previousHandler
== NULL
&&
1105 m_nextHandler
== NULL
;
1110 bool wxEvtHandler::ProcessThreadEvent(const wxEvent
& event
)
1112 // check that we are really in a child thread
1113 wxASSERT_MSG( !wxThread::IsMain(),
1114 wxT("use ProcessEvent() in main thread") );
1116 AddPendingEvent(event
);
1121 #endif // wxUSE_THREADS
1123 void wxEvtHandler::QueueEvent(wxEvent
*event
)
1125 wxCHECK_RET( event
, "NULL event can't be posted" );
1127 wxEventLoopBase
* loop
= wxEventLoopBase::GetActive();
1130 // we need an event loop which manages the list of event handlers with
1131 // pending events... cannot proceed without it!
1132 wxLogDebug("No event loop is running! Cannot queue this event!");
1134 // anyway delete the given event to avoid memory leaks
1140 // 1) Add this event to our list of pending events
1141 wxENTER_CRIT_SECT( m_pendingEventsLock
);
1143 if ( !m_pendingEvents
)
1144 m_pendingEvents
= new wxList
;
1146 m_pendingEvents
->Append(event
);
1148 // 2) Add this event handler to list of event handlers that
1149 // have pending events.
1151 loop
->AppendPendingEventHandler(this);
1153 // only release m_pendingEventsLock now because otherwise there is a race
1154 // condition as described in the ticket #9093: we could process the event
1155 // just added to m_pendingEvents in our ProcessPendingEvents() below before
1156 // we had time to append this pointer to wxHandlersWithPendingEvents list; thus
1157 // breaking the invariant that a handler should be in the list iff it has
1158 // any pending events to process
1159 wxLEAVE_CRIT_SECT( m_pendingEventsLock
);
1161 // 3) Inform the system that new pending events are somewhere,
1162 // and that these should be processed in idle time.
1166 void wxEvtHandler::ProcessPendingEvents()
1168 wxEventLoopBase
* loop
= wxEventLoopBase::GetActive();
1171 // we need an event loop which manages the list of event handlers with
1172 // pending events... cannot proceed without it!
1173 wxLogDebug("No event loop is running! Cannot process pending events!");
1177 // we need to process only a single pending event in this call because
1178 // each call to ProcessEvent() could result in the destruction of this
1179 // same event handler (see the comment at the end of this function)
1181 wxENTER_CRIT_SECT( m_pendingEventsLock
);
1183 // this method is only called by wxApp if this handler does have
1185 wxCHECK_RET( m_pendingEvents
&& !m_pendingEvents
->IsEmpty(),
1186 "should have pending events if called" );
1188 wxList::compatibility_iterator node
= m_pendingEvents
->GetFirst();
1189 wxEvent
* pEvent
= static_cast<wxEvent
*>(node
->GetData());
1191 // find the first event which can be processed now:
1192 wxEventLoopBase
* evtLoop
= wxEventLoopBase::GetActive();
1193 if (evtLoop
&& evtLoop
->IsYielding())
1195 while (node
&& pEvent
&& !evtLoop
->IsEventAllowedInsideYield(pEvent
->GetEventCategory()))
1197 node
= node
->GetNext();
1198 pEvent
= node
? static_cast<wxEvent
*>(node
->GetData()) : NULL
;
1203 // all our events are NOT processable now... signal this:
1204 loop
->DelayPendingEventHandler(this);
1206 // see the comment at the beginning of evtloop.h header for the
1207 // logic behind YieldFor() and behind DelayPendingEventHandler()
1209 wxLEAVE_CRIT_SECT( m_pendingEventsLock
);
1215 wxEventPtr
event(pEvent
);
1217 // it's important we remove event from list before processing it, else a
1218 // nested event loop, for example from a modal dialog, might process the
1219 // same event again.
1220 m_pendingEvents
->Erase(node
);
1222 if ( m_pendingEvents
->IsEmpty() )
1224 // if there are no more pending events left, we don't need to
1225 // stay in this list
1226 loop
->RemovePendingEventHandler(this);
1229 wxLEAVE_CRIT_SECT( m_pendingEventsLock
);
1231 ProcessEvent(*event
);
1233 // careful: this object could have been deleted by the event handler
1234 // executed by the above ProcessEvent() call, so we can't access any fields
1235 // of this object any more
1242 wxEvtHandler::ProcessEventIfMatchesId(const wxEventTableEntryBase
& entry
,
1243 wxEvtHandler
*handler
,
1246 int tableId1
= entry
.m_id
,
1247 tableId2
= entry
.m_lastId
;
1249 // match only if the event type is the same and the id is either -1 in
1250 // the event table (meaning "any") or the event id matches the id
1251 // specified in the event table either exactly or by falling into
1252 // range between first and last
1253 if ((tableId1
== wxID_ANY
) ||
1254 (tableId2
== wxID_ANY
&& tableId1
== event
.GetId()) ||
1255 (tableId2
!= wxID_ANY
&&
1256 (event
.GetId() >= tableId1
&& event
.GetId() <= tableId2
)))
1259 event
.m_callbackUserData
= entry
.m_callbackUserData
;
1261 #if wxUSE_EXCEPTIONS
1264 // call the handler via wxApp method which allows the user to catch
1265 // any exceptions which may be thrown by any handler in the program
1267 wxTheApp
->CallEventHandler(handler
, *entry
.m_fn
, event
);
1270 #endif // wxUSE_EXCEPTIONS
1272 (*entry
.m_fn
)(handler
, event
);
1275 if (!event
.GetSkipped())
1282 bool wxEvtHandler::TryParent(wxEvent
& event
)
1284 if ( GetNextHandler() )
1286 // the next handler will pass it to wxTheApp if it doesn't process it,
1287 // so return from here to avoid doing it again
1288 return GetNextHandler()->TryParent(event
);
1291 if ( wxTheApp
&& (this != wxTheApp
) )
1293 // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1294 // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1295 // processed appropriately via SearchEventTable.
1296 if ( event
.GetEventType() != wxEVT_IDLE
)
1298 if ( wxTheApp
->ProcessEvent(event
) )
1306 bool wxEvtHandler::ProcessEvent(wxEvent
& event
)
1308 // allow the application to hook into event processing
1310 // note that we should only do it if we're the first event handler called
1311 // to avoid calling FilterEvent() multiple times as the event goes through
1312 // the event handler chain and possibly upwards the window hierarchy
1313 if ( !event
.WasProcessed() )
1317 int rc
= wxTheApp
->FilterEvent(event
);
1320 wxASSERT_MSG( rc
== 1 || rc
== 0,
1321 "unexpected wxApp::FilterEvent return value" );
1325 //else: proceed normally
1329 if ( ProcessEventHere(event
) )
1332 // pass the event to the next handler, notice that we shouldn't call
1333 // TryParent() even if it doesn't handle the event as the last handler in
1334 // the chain will do it
1335 if ( GetNextHandler() )
1336 return GetNextHandler()->ProcessEvent(event
);
1338 // propagate the event upwards the window chain and/or to the application
1339 // object if it wasn't processed at this level
1340 return TryParent(event
);
1343 bool wxEvtHandler::ProcessEventHere(wxEvent
& event
)
1345 // If the event handler is disabled it doesn't process any events
1346 if ( !GetEvtHandlerEnabled() )
1349 // If we have a validator, it has higher priority than our own event
1351 if ( TryValidator(event
) )
1354 // Handle per-instance dynamic event tables first
1355 if ( m_dynamicEvents
&& SearchDynamicEventTable(event
) )
1358 // Then static per-class event tables
1359 if ( GetEventHashTable().HandleEvent(event
, this) )
1362 // We don't have a handler for this event.
1366 bool wxEvtHandler::SafelyProcessEvent(wxEvent
& event
)
1368 #if wxUSE_EXCEPTIONS
1372 return ProcessEvent(event
);
1373 #if wxUSE_EXCEPTIONS
1377 wxEventLoopBase
*loop
= wxEventLoopBase::GetActive();
1380 if ( !wxTheApp
|| !wxTheApp
->OnExceptionInMainLoop() )
1385 //else: continue running current event loop
1391 // OnExceptionInMainLoop() threw, possibly rethrowing the same
1392 // exception again: very good, but we still need Exit() to
1399 #endif // wxUSE_EXCEPTIONS
1403 bool wxEvtHandler::SearchEventTable(wxEventTable
& table
, wxEvent
& event
)
1405 const wxEventType eventType
= event
.GetEventType();
1406 for ( int i
= 0; table
.entries
[i
].m_fn
!= 0; i
++ )
1408 const wxEventTableEntry
& entry
= table
.entries
[i
];
1409 if ( eventType
== entry
.m_eventType
)
1411 if ( ProcessEventIfMatchesId(entry
, this, event
) )
1419 void wxEvtHandler::DoConnect(int id
,
1421 wxEventType eventType
,
1422 wxEventFunctor
*func
,
1425 wxDynamicEventTableEntry
*entry
=
1426 new wxDynamicEventTableEntry(eventType
, id
, lastId
, func
, userData
);
1428 if (!m_dynamicEvents
)
1429 m_dynamicEvents
= new wxList
;
1431 // Insert at the front of the list so most recent additions are found first
1432 m_dynamicEvents
->Insert( (wxObject
*) entry
);
1434 // Make sure we get to know when a sink is destroyed
1435 wxEvtHandler
*eventSink
= func
->GetEvtHandler();
1436 if ( eventSink
&& eventSink
!= this )
1438 wxEventConnectionRef
*evtConnRef
= FindRefInTrackerList(eventSink
);
1440 evtConnRef
->IncRef( );
1442 new wxEventConnectionRef(this, eventSink
);
1447 wxEvtHandler::DoDisconnect(int id
,
1449 wxEventType eventType
,
1450 const wxEventFunctor
& func
,
1453 if (!m_dynamicEvents
)
1456 // Remove connection from tracker node (wxEventConnectionRef)
1457 wxEvtHandler
*eventSink
= func
.GetEvtHandler();
1458 if ( eventSink
&& eventSink
!= this )
1460 wxEventConnectionRef
*evtConnRef
= FindRefInTrackerList(eventSink
);
1462 evtConnRef
->DecRef();
1465 wxList::compatibility_iterator node
= m_dynamicEvents
->GetFirst();
1468 wxDynamicEventTableEntry
*entry
= (wxDynamicEventTableEntry
*)node
->GetData();
1470 if ((entry
->m_id
== id
) &&
1471 ((entry
->m_lastId
== lastId
) || (lastId
== wxID_ANY
)) &&
1472 ((entry
->m_eventType
== eventType
) || (eventType
== wxEVT_NULL
)) &&
1473 entry
->m_fn
->Matches(func
) &&
1474 ((entry
->m_callbackUserData
== userData
) || !userData
))
1476 delete entry
->m_callbackUserData
;
1477 m_dynamicEvents
->Erase( node
);
1481 node
= node
->GetNext();
1486 bool wxEvtHandler::SearchDynamicEventTable( wxEvent
& event
)
1488 wxCHECK_MSG( m_dynamicEvents
, false,
1489 wxT("caller should check that we have dynamic events") );
1491 wxList::compatibility_iterator node
= m_dynamicEvents
->GetFirst();
1494 wxDynamicEventTableEntry
*entry
= (wxDynamicEventTableEntry
*)node
->GetData();
1496 // get next node before (maybe) calling the event handler as it could
1497 // call Disconnect() invalidating the current node
1498 node
= node
->GetNext();
1500 if ( event
.GetEventType() == entry
->m_eventType
)
1502 wxEvtHandler
*handler
= entry
->m_fn
->GetEvtHandler();
1505 if ( ProcessEventIfMatchesId(*entry
, handler
, event
) )
1513 void wxEvtHandler::DoSetClientObject( wxClientData
*data
)
1515 wxASSERT_MSG( m_clientDataType
!= wxClientData_Void
,
1516 wxT("can't have both object and void client data") );
1518 if ( m_clientObject
)
1519 delete m_clientObject
;
1521 m_clientObject
= data
;
1522 m_clientDataType
= wxClientData_Object
;
1525 wxClientData
*wxEvtHandler::DoGetClientObject() const
1527 // it's not an error to call GetClientObject() on a window which doesn't
1528 // have client data at all - NULL will be returned
1529 wxASSERT_MSG( m_clientDataType
!= wxClientData_Void
,
1530 wxT("this window doesn't have object client data") );
1532 return m_clientObject
;
1535 void wxEvtHandler::DoSetClientData( void *data
)
1537 wxASSERT_MSG( m_clientDataType
!= wxClientData_Object
,
1538 wxT("can't have both object and void client data") );
1540 m_clientData
= data
;
1541 m_clientDataType
= wxClientData_Void
;
1544 void *wxEvtHandler::DoGetClientData() const
1546 // it's not an error to call GetClientData() on a window which doesn't have
1547 // client data at all - NULL will be returned
1548 wxASSERT_MSG( m_clientDataType
!= wxClientData_Object
,
1549 wxT("this window doesn't have void client data") );
1551 return m_clientData
;
1554 // A helper to find an wxEventConnectionRef object
1555 wxEventConnectionRef
*
1556 wxEvtHandler::FindRefInTrackerList(wxEvtHandler
*eventSink
)
1558 for ( wxTrackerNode
*node
= eventSink
->GetFirst(); node
; node
= node
->m_nxt
)
1560 // we only want wxEventConnectionRef nodes here
1561 wxEventConnectionRef
*evtConnRef
= node
->ToEventConnection();
1562 if ( evtConnRef
&& evtConnRef
->m_src
== this )
1564 wxASSERT( evtConnRef
->m_sink
==eventSink
);
1572 void wxEvtHandler::OnSinkDestroyed( wxEvtHandler
*sink
)
1574 wxASSERT(m_dynamicEvents
);
1576 // remove all connections with this sink
1577 wxList::compatibility_iterator node
= m_dynamicEvents
->GetFirst(), node_nxt
;
1580 wxDynamicEventTableEntry
*entry
= (wxDynamicEventTableEntry
*)node
->GetData();
1581 node_nxt
= node
->GetNext();
1583 if ( entry
->m_fn
->GetEvtHandler() == sink
)
1585 delete entry
->m_callbackUserData
;
1586 m_dynamicEvents
->Erase( node
);
1593 #endif // wxUSE_BASE
1597 // Find a window with the focus, that is also a descendant of the given window.
1598 // This is used to determine the window to initially send commands to.
1599 wxWindow
* wxFindFocusDescendant(wxWindow
* ancestor
)
1601 // Process events starting with the window with the focus, if any.
1602 wxWindow
* focusWin
= wxWindow::FindFocus();
1603 wxWindow
* win
= focusWin
;
1605 // Check if this is a descendant of this frame.
1606 // If not, win will be set to NULL.
1609 if (win
== ancestor
)
1612 win
= win
->GetParent();
1620 // ----------------------------------------------------------------------------
1622 // ----------------------------------------------------------------------------
1624 wxEventBlocker::wxEventBlocker(wxWindow
*win
, wxEventType type
)
1626 wxCHECK_RET(win
, wxT("Null window given to wxEventBlocker"));
1631 m_window
->PushEventHandler(this);
1634 wxEventBlocker::~wxEventBlocker()
1636 wxEvtHandler
*popped
= m_window
->PopEventHandler(false);
1637 wxCHECK_RET(popped
== this,
1638 wxT("Don't push other event handlers into a window managed by wxEventBlocker!"));
1641 bool wxEventBlocker::ProcessEvent(wxEvent
& event
)
1643 // should this event be blocked?
1644 for ( size_t i
= 0; i
< m_eventsToBlock
.size(); i
++ )
1646 wxEventType t
= (wxEventType
)m_eventsToBlock
[i
];
1647 if ( t
== wxEVT_ANY
|| t
== event
.GetEventType() )
1648 return true; // yes, it should: mark this event as processed