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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: event.cpp
3 // Purpose: Event classes
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
21 #pragma implementation "event.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26
27 #ifdef __BORLANDC__
28 #pragma hdrstop
29 #endif
30
31 #ifndef WX_PRECOMP
32 #include "wx/defs.h"
33 #include "wx/app.h"
34 #include "wx/list.h"
35
36 #if wxUSE_GUI
37 #include "wx/control.h"
38 #include "wx/utils.h"
39 #include "wx/dc.h"
40 #endif // wxUSE_GUI
41 #endif
42
43 #include "wx/event.h"
44
45 #if wxUSE_GUI
46 #include "wx/validate.h"
47 #if wxUSE_STOPWATCH
48 #include "wx/stopwatch.h"
49 #endif
50 #endif // wxUSE_GUI
51
52 // ----------------------------------------------------------------------------
53 // wxWin macros
54 // ----------------------------------------------------------------------------
55
56 #if wxUSE_BASE
57 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
58 IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
59 #endif // wxUSE_BASE
60
61 #if wxUSE_GUI
62 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
63 IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
64 IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
65 IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
66 IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
67 IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
68 IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
69 IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
70 IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
71 IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
72 IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
73 IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
74 IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
75 IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
76 IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
77 IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
78 IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
79 IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
80 IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
81 IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
82 IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
83 IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
84 IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
85 IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
86 IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
87 IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
88 IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
89 IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
90 IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
91 IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
92 IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
93 IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
94 IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
95 IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
96 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
97 #endif // wxUSE_GUI
98
99 #if wxUSE_BASE
100
101 const wxEventTable *wxEvtHandler::GetEventTable() const
102 { return &wxEvtHandler::sm_eventTable; }
103
104 const wxEventTable wxEvtHandler::sm_eventTable =
105 { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
106
107 wxEventHashTable &wxEvtHandler::GetEventHashTable() const
108 { return wxEvtHandler::sm_eventHashTable; }
109
110 wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
111
112 const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
113 { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
114
115 // ----------------------------------------------------------------------------
116 // global variables
117 // ----------------------------------------------------------------------------
118
119 // To put pending event handlers
120 wxList *wxPendingEvents = (wxList *)NULL;
121
122 #if wxUSE_THREADS
123 // protects wxPendingEvents list
124 wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
125 #endif
126
127 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
128
129 // common event types are defined here, other event types are defined by the
130 // components which use them
131
132 const wxEventType wxEVT_FIRST = 10000;
133 const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
134
135 DEFINE_EVENT_TYPE(wxEVT_NULL)
136 DEFINE_EVENT_TYPE(wxEVT_IDLE)
137 DEFINE_EVENT_TYPE(wxEVT_SOCKET)
138
139 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
140
141 #endif // wxUSE_BASE
142
143 #if wxUSE_GUI
144
145 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
146
147 DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
148 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
149 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
150 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
151 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
152 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
153 DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
154 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
155 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
156 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
157 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
158 DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
159 DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
160 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
161 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
162 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
163
164 // Sockets and timers send events, too
165 DEFINE_EVENT_TYPE(wxEVT_TIMER)
166
167 // Mouse event types
168 DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
169 DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
170 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
171 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
172 DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
173 DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
174 DEFINE_EVENT_TYPE(wxEVT_MOTION)
175 DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
176 DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
177 DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
178 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
179 DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
180 DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
181 DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
182 DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
183 DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
184
185 // Non-client mouse events
186 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
187 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP)
188 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
189 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
190 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
191 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
192 DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
193 DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
194 DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
195 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
196 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
197 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
198
199 // Character input event type
200 DEFINE_EVENT_TYPE(wxEVT_CHAR)
201 DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
202 DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
203 DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
204 DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
205 #if wxUSE_HOTKEY
206 DEFINE_EVENT_TYPE(wxEVT_HOTKEY)
207 #endif
208
209 // Set cursor event
210 DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
211
212 // wxScrollbar and wxSlider event identifiers
213 DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
214 DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
215 DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
216 DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
217 DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
218 DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
219 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
220 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
221 DEFINE_EVENT_TYPE(wxEVT_SCROLL_ENDSCROLL)
222
223 // Scroll events from wxWindow
224 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
225 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
226 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
227 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
228 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
229 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
230 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
231 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
232
233 // System events
234 DEFINE_EVENT_TYPE(wxEVT_SIZE)
235 DEFINE_EVENT_TYPE(wxEVT_SIZING)
236 DEFINE_EVENT_TYPE(wxEVT_MOVE)
237 DEFINE_EVENT_TYPE(wxEVT_MOVING)
238 DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
239 DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
240 DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
241 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
242 DEFINE_EVENT_TYPE(wxEVT_POWER)
243 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
244 DEFINE_EVENT_TYPE(wxEVT_CREATE)
245 DEFINE_EVENT_TYPE(wxEVT_DESTROY)
246 DEFINE_EVENT_TYPE(wxEVT_SHOW)
247 DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
248 DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
249 DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
250 DEFINE_EVENT_TYPE(wxEVT_PAINT)
251 DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
252 DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
253 DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
254 DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
255 DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
256 DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
257 DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
258 DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
259 DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
260 DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
261 DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
262 DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
263 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
264 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
265 DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
266 DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
267 DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
268 DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
269 DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
270 DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
271 DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
272 DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
273
274 // Generic command events
275 // Note: a click is a higher-level event than button down/up
276 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
277 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
278 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
279 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
280 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
281 DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
282 DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
283
284 // Help events
285 DEFINE_EVENT_TYPE(wxEVT_HELP)
286 DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
287
288 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
289
290 #endif // wxUSE_GUI
291
292 #if wxUSE_BASE
293
294 // ============================================================================
295 // implementation
296 // ============================================================================
297
298 // ----------------------------------------------------------------------------
299 // event initialization
300 // ----------------------------------------------------------------------------
301
302 int wxNewEventType()
303 {
304 // MT-FIXME
305 static int s_lastUsedEventType = wxEVT_FIRST;
306
307 #if WXWIN_COMPATIBILITY_2
308 // check that we don't overlap with the user-defined types: if it does
309 // happen, the best solution is probably to update the existing code to
310 // use wxNewEventType() instead of wxEVT_USER_FIRST
311 //
312 // due to the uncertainty
313 wxASSERT_MSG( s_lastUsedEventType < wxEVT_USER_FIRST - 1,
314 _T("possible event type conflict") );
315 #endif // WXWIN_COMPATIBILITY_2
316
317 return s_lastUsedEventType++;
318 }
319
320 // ----------------------------------------------------------------------------
321 // wxEvent
322 // ----------------------------------------------------------------------------
323
324 /*
325 * General wxWindows events, covering
326 * all interesting things that might happen (button clicking, resizing,
327 * setting text in widgets, etc.).
328 *
329 * For each completely new event type, derive a new event class.
330 *
331 */
332
333 wxEvent::wxEvent(int theId, wxEventType commandType )
334 {
335 m_eventType = commandType;
336 m_eventObject = (wxObject *) NULL;
337 m_timeStamp = 0;
338 m_id = theId;
339 m_skipped = FALSE;
340 m_callbackUserData = (wxObject *) NULL;
341 m_isCommandEvent = FALSE;
342 m_propagationLevel = wxEVENT_PROPAGATE_NONE;
343 }
344
345 wxEvent::wxEvent(const wxEvent &src)
346 : wxObject()
347 , m_eventObject(src.m_eventObject)
348 , m_eventType(src.m_eventType)
349 , m_timeStamp(src.m_timeStamp)
350 , m_id(src.m_id)
351 , m_callbackUserData(src.m_callbackUserData)
352 , m_propagationLevel(src.m_propagationLevel)
353 , m_skipped(src.m_skipped)
354 , m_isCommandEvent(src.m_isCommandEvent)
355 {
356 }
357
358 #endif // wxUSE_BASE
359
360 #if wxUSE_GUI
361
362 /*
363 * Command events
364 *
365 */
366
367 wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
368 : wxEvent(theId, commandType)
369 {
370 m_clientData = (char *) NULL;
371 m_clientObject = (wxClientData *) NULL;
372 m_extraLong = 0;
373 m_commandInt = 0;
374 m_isCommandEvent = TRUE;
375
376 // the command events are propagated upwards by default
377 m_propagationLevel = wxEVENT_PROPAGATE_MAX;
378 }
379
380 /*
381 * UI update events
382 */
383
384 #if wxUSE_LONGLONG
385 wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
386 #endif
387
388 long wxUpdateUIEvent::sm_updateInterval = 0;
389
390 wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
391
392 // Can we update?
393 bool wxUpdateUIEvent::CanUpdate(wxWindow* win)
394 {
395 // Don't update if we've switched global updating off
396 // and this window doesn't support updates.
397 if (win &&
398 (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
399 ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
400 return FALSE;
401
402 if (sm_updateInterval == -1)
403 return FALSE;
404 else if (sm_updateInterval == 0)
405 return TRUE;
406 else
407 {
408 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
409 wxLongLong now = wxGetLocalTimeMillis();
410 if (now > (sm_lastUpdate + sm_updateInterval))
411 {
412 return TRUE;
413 }
414 #else
415 // If we don't have wxStopWatch or wxLongLong, we
416 // should err on the safe side and update now anyway.
417 return TRUE;
418 #endif
419 }
420 return FALSE;
421 }
422
423 // Reset the update time to provide a delay until the next
424 // time we should update
425 void wxUpdateUIEvent::ResetUpdateTime()
426 {
427 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
428 if (sm_updateInterval > 0)
429 {
430 wxLongLong now = wxGetLocalTimeMillis();
431 if (now > (sm_lastUpdate + sm_updateInterval))
432 {
433 sm_lastUpdate = now;
434 }
435 }
436 #endif
437 }
438
439 /*
440 * Idle events
441 */
442
443 wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
444
445 // Can we send an idle event?
446 bool wxIdleEvent::CanSend(wxWindow* win)
447 {
448 // Don't update if we've switched global updating off
449 // and this window doesn't support updates.
450 if (win &&
451 (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
452 ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
453 return FALSE;
454
455 return TRUE;
456 }
457
458 /*
459 * Scroll events
460 */
461
462 wxScrollEvent::wxScrollEvent(wxEventType commandType,
463 int id,
464 int pos,
465 int orient)
466 : wxCommandEvent(commandType, id)
467 {
468 m_extraLong = orient;
469 m_commandInt = pos;
470 }
471
472 /*
473 * ScrollWin events
474 */
475
476 wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
477 int pos,
478 int orient)
479 {
480 m_eventType = commandType;
481 m_extraLong = orient;
482 m_commandInt = pos;
483 }
484
485 /*
486 * Mouse events
487 *
488 */
489
490 wxMouseEvent::wxMouseEvent(wxEventType commandType)
491 {
492 m_eventType = commandType;
493 m_metaDown = FALSE;
494 m_altDown = FALSE;
495 m_controlDown = FALSE;
496 m_shiftDown = FALSE;
497 m_leftDown = FALSE;
498 m_rightDown = FALSE;
499 m_middleDown = FALSE;
500 m_x = 0;
501 m_y = 0;
502 m_wheelRotation = 0;
503 m_wheelDelta = 0;
504 m_linesPerAction = 0;
505 }
506
507 void wxMouseEvent::Assign(const wxMouseEvent& event)
508 {
509 m_eventType = event.m_eventType;
510
511 m_x = event.m_x;
512 m_y = event.m_y;
513
514 m_leftDown = event.m_leftDown;
515 m_middleDown = event.m_middleDown;
516 m_rightDown = event.m_rightDown;
517
518 m_controlDown = event.m_controlDown;
519 m_shiftDown = event.m_shiftDown;
520 m_altDown = event.m_altDown;
521 m_metaDown = event.m_metaDown;
522
523 m_wheelRotation = event.m_wheelRotation;
524 m_wheelDelta = event.m_wheelDelta;
525 m_linesPerAction = event.m_linesPerAction;
526 }
527
528 // True if was a button dclick event (1 = left, 2 = middle, 3 = right)
529 // or any button dclick event (but = -1)
530 bool wxMouseEvent::ButtonDClick(int but) const
531 {
532 switch (but)
533 {
534 case -1:
535 return (LeftDClick() || MiddleDClick() || RightDClick());
536 case 1:
537 return LeftDClick();
538 case 2:
539 return MiddleDClick();
540 case 3:
541 return RightDClick();
542 default:
543 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
544 }
545
546 return FALSE;
547 }
548
549 // True if was a button down event (1 = left, 2 = middle, 3 = right)
550 // or any button down event (but = -1)
551 bool wxMouseEvent::ButtonDown(int but) const
552 {
553 switch (but)
554 {
555 case -1:
556 return (LeftDown() || MiddleDown() || RightDown());
557 case 1:
558 return LeftDown();
559 case 2:
560 return MiddleDown();
561 case 3:
562 return RightDown();
563 default:
564 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
565 }
566
567 return FALSE;
568 }
569
570 // True if was a button up event (1 = left, 2 = middle, 3 = right)
571 // or any button up event (but = -1)
572 bool wxMouseEvent::ButtonUp(int but) const
573 {
574 switch (but)
575 {
576 case -1:
577 return (LeftUp() || MiddleUp() || RightUp());
578 case 1:
579 return LeftUp();
580 case 2:
581 return MiddleUp();
582 case 3:
583 return RightUp();
584 default:
585 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
586 }
587
588 return FALSE;
589 }
590
591 // True if the given button is currently changing state
592 bool wxMouseEvent::Button(int but) const
593 {
594 switch (but)
595 {
596 case -1:
597 return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1));
598 case 1:
599 return (LeftDown() || LeftUp() || LeftDClick());
600 case 2:
601 return (MiddleDown() || MiddleUp() || MiddleDClick());
602 case 3:
603 return (RightDown() || RightUp() || RightDClick());
604 default:
605 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
606 }
607
608 return FALSE;
609 }
610
611 bool wxMouseEvent::ButtonIsDown(int but) const
612 {
613 switch (but)
614 {
615 case -1:
616 return (LeftIsDown() || MiddleIsDown() || RightIsDown());
617 case 1:
618 return LeftIsDown();
619 case 2:
620 return MiddleIsDown();
621 case 3:
622 return RightIsDown();
623 default:
624 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
625 }
626
627 return FALSE;
628 }
629
630 int wxMouseEvent::GetButton() const
631 {
632 for ( int i = 1; i <= 3; i++ )
633 {
634 if ( Button(i) )
635 {
636 return i;
637 }
638 }
639
640 return -1;
641 }
642
643 // Find the logical position of the event given the DC
644 wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
645 {
646 wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
647 return pt;
648 }
649
650
651 /*
652 * Keyboard event
653 *
654 */
655
656 wxKeyEvent::wxKeyEvent(wxEventType type)
657 {
658 m_eventType = type;
659 m_shiftDown = FALSE;
660 m_controlDown = FALSE;
661 m_metaDown = FALSE;
662 m_altDown = FALSE;
663 m_keyCode = 0;
664 m_scanCode = 0;
665 #if wxUSE_UNICODE
666 m_uniChar = 0;
667 #endif
668 }
669
670 wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
671 : wxEvent(evt)
672 {
673 m_x = evt.m_x;
674 m_y = evt.m_y;
675
676 m_keyCode = evt.m_keyCode;
677
678 m_controlDown = evt.m_controlDown;
679 m_shiftDown = evt.m_shiftDown;
680 m_altDown = evt.m_altDown;
681 m_metaDown = evt.m_metaDown;
682 m_scanCode = evt.m_scanCode;
683 m_rawCode = evt.m_rawCode;
684 m_rawFlags = evt.m_rawFlags;
685
686 #if wxUSE_UNICODE
687 m_uniChar = evt.m_uniChar;
688 #endif
689 }
690
691 long wxKeyEvent::KeyCode() const
692 {
693 return m_keyCode;
694 }
695
696 wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
697 {
698 SetEventType(wxEVT_CREATE);
699 SetEventObject(win);
700 }
701
702 wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
703 {
704 SetEventType(wxEVT_DESTROY);
705 SetEventObject(win);
706 }
707
708 wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
709 : wxCommandEvent(wxEVT_CHILD_FOCUS)
710 {
711 SetEventObject(win);
712 }
713
714 #endif // wxUSE_GUI
715
716 // ----------------------------------------------------------------------------
717 // wxEventHashTable
718 // ----------------------------------------------------------------------------
719
720 static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not to big not to small...
721
722 wxEventHashTable::wxEventHashTable(const wxEventTable &table)
723 : m_table(table),
724 m_rebuildHash(TRUE)
725 {
726 AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
727 }
728
729 wxEventHashTable::~wxEventHashTable()
730 {
731 size_t i;
732 for(i = 0; i < m_size; i++)
733 {
734 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
735 if (eTTnode)
736 {
737 delete eTTnode;
738 }
739 }
740
741 delete[] m_eventTypeTable;
742 }
743
744 bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
745 {
746 if (m_rebuildHash)
747 {
748 InitHashTable();
749 m_rebuildHash = FALSE;
750 }
751
752 // Find all entries for the given event type.
753 wxEventType eventType = event.GetEventType();
754 const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
755 if (eTTnode && eTTnode->eventType == eventType)
756 {
757 // Now start the search for an event handler
758 // that can handle an event with the given ID.
759 int eventId = event.GetId();
760 const wxEventTableEntryPointerArray &eventEntryTable = eTTnode->eventEntryTable;
761
762 size_t n;
763 size_t count = eventEntryTable.GetCount();
764 for (n = 0; n < count; n++)
765 {
766 const wxEventTableEntry* entry = eventEntryTable[n];
767 int tableId1 = entry->m_id,
768 tableId2 = entry->m_lastId;
769
770 if ((tableId1 == -1) ||
771 (tableId2 == -1 && tableId1 == eventId) ||
772 (tableId2 != -1 &&
773 (eventId >= tableId1 && eventId <= tableId2)))
774 {
775 event.Skip(FALSE);
776 event.m_callbackUserData = entry->m_callbackUserData;
777
778 (self->*((wxEventFunction) (entry->m_fn)))(event);
779
780 if (!event.GetSkipped())
781 return TRUE;
782 }
783 }
784
785 return FALSE;
786 }
787
788 return FALSE;
789 }
790
791 void wxEventHashTable::InitHashTable()
792 {
793 // Loop over the event tables and all its base tables.
794 const wxEventTable *table = &m_table;
795 while (table)
796 {
797 // Retrieve all valid event handler entries
798 const wxEventTableEntry *entry = table->entries;
799 while (entry->m_fn != 0)
800 {
801 // Add the event entry in the Hash.
802 AddEntry(*entry);
803
804 entry++;
805 }
806
807 table = table->baseTable;
808 }
809
810 // Lets free some memory.
811 size_t i;
812 for(i = 0; i < m_size; i++)
813 {
814 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
815 if (eTTnode)
816 {
817 eTTnode->eventEntryTable.Shrink();
818 }
819 }
820 }
821
822 void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
823 {
824 EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
825 EventTypeTablePointer eTTnode = *peTTnode;
826
827 if (eTTnode)
828 {
829 if (eTTnode->eventType != entry.m_eventType)
830 {
831 // Resize the table!
832 GrowEventTypeTable();
833 // Try again to add it.
834 AddEntry(entry);
835 return;
836 }
837 }
838 else
839 {
840 eTTnode = new EventTypeTable;
841 eTTnode->eventType = entry.m_eventType;
842 *peTTnode = eTTnode;
843 }
844
845 // Fill all hash entries between entry.m_id and entry.m_lastId...
846 eTTnode->eventEntryTable.Add(&entry);
847 }
848
849 void wxEventHashTable::AllocEventTypeTable(size_t size)
850 {
851 m_eventTypeTable = new EventTypeTablePointer[size];
852 memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
853 m_size = size;
854 }
855
856 void wxEventHashTable::GrowEventTypeTable()
857 {
858 size_t oldSize = m_size;
859 EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
860
861 // TODO: Search the most optimal grow sequence
862 AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
863
864 for ( size_t i = 0; i < oldSize; /* */ )
865 {
866 EventTypeTablePointer eTToldNode = oldEventTypeTable[i];
867 if (eTToldNode)
868 {
869 EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
870 EventTypeTablePointer eTTnode = *peTTnode;
871
872 // Check for collision, we don't want any.
873 if (eTTnode)
874 {
875 GrowEventTypeTable();
876 continue; // Don't increment the counter,
877 // as we still need to add this element.
878 }
879 else
880 {
881 // Get the old value and put it in the new table.
882 *peTTnode = oldEventTypeTable[i];
883 }
884 }
885
886 i++;
887 }
888
889 delete[] oldEventTypeTable;
890 }
891
892 // ----------------------------------------------------------------------------
893 // wxEvtHandler
894 // ----------------------------------------------------------------------------
895
896 #if wxUSE_BASE
897
898 /*
899 * Event handler
900 */
901
902 wxEvtHandler::wxEvtHandler()
903 {
904 m_nextHandler = (wxEvtHandler *) NULL;
905 m_previousHandler = (wxEvtHandler *) NULL;
906 m_enabled = TRUE;
907 m_dynamicEvents = (wxList *) NULL;
908 m_pendingEvents = (wxList *) NULL;
909 #if wxUSE_THREADS
910 # if !defined(__VISAGECPP__)
911 m_eventsLocker = new wxCriticalSection;
912 # endif
913 #endif
914 // no client data (yet)
915 m_clientData = NULL;
916 m_clientDataType = wxClientData_None;
917 }
918
919 wxEvtHandler::~wxEvtHandler()
920 {
921 // Takes itself out of the list of handlers
922 if (m_previousHandler)
923 m_previousHandler->m_nextHandler = m_nextHandler;
924
925 if (m_nextHandler)
926 m_nextHandler->m_previousHandler = m_previousHandler;
927
928 if (m_dynamicEvents)
929 {
930 wxList::iterator it = m_dynamicEvents->begin(),
931 en = m_dynamicEvents->end();
932 for (;it != en; ++it)
933 {
934 #if WXWIN_COMPATIBILITY_EVENT_TYPES
935 wxEventTableEntry *entry = (wxEventTableEntry*)*it;
936 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
937 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
938 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
939
940 if (entry->m_callbackUserData)
941 delete entry->m_callbackUserData;
942 delete entry;
943 }
944 delete m_dynamicEvents;
945 };
946
947 delete m_pendingEvents;
948
949 #if wxUSE_THREADS
950 # if !defined(__VISAGECPP__)
951 delete m_eventsLocker;
952 # endif
953
954 // Remove us from wxPendingEvents if necessary.
955 if(wxPendingEventsLocker)
956 wxENTER_CRIT_SECT(*wxPendingEventsLocker);
957 if ( wxPendingEvents ) {
958 wxPendingEvents->DeleteObject(this);
959 }
960 if(wxPendingEventsLocker)
961 wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
962 #endif
963
964 // we only delete object data, not untyped
965 if ( m_clientDataType == wxClientData_Object )
966 delete m_clientObject;
967 }
968
969 #if wxUSE_THREADS
970
971 bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
972 {
973 // check that we are really in a child thread
974 wxASSERT_MSG( !wxThread::IsMain(),
975 wxT("use ProcessEvent() in main thread") );
976
977 AddPendingEvent(event);
978
979 return TRUE;
980 }
981
982 #endif // wxUSE_THREADS
983
984 void wxEvtHandler::AddPendingEvent(wxEvent& event)
985 {
986 // 1) Add event to list of pending events of this event handler
987
988 wxEvent *eventCopy = event.Clone();
989
990 // we must be able to copy the events here so the event class must
991 // implement Clone() properly instead of just providing a NULL stab for it
992 wxCHECK_RET( eventCopy,
993 _T("events of this type aren't supposed to be posted") );
994
995 #if defined(__VISAGECPP__)
996 wxENTER_CRIT_SECT( m_eventsLocker);
997 #else
998 wxENTER_CRIT_SECT( *m_eventsLocker);
999 #endif
1000
1001 if ( !m_pendingEvents )
1002 m_pendingEvents = new wxList;
1003
1004 m_pendingEvents->Append(eventCopy);
1005
1006 #if defined(__VISAGECPP__)
1007 wxLEAVE_CRIT_SECT( m_eventsLocker);
1008 #else
1009 wxLEAVE_CRIT_SECT( *m_eventsLocker);
1010 #endif
1011
1012 // 2) Add this event handler to list of event handlers that
1013 // have pending events.
1014
1015 wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1016
1017 if ( !wxPendingEvents )
1018 wxPendingEvents = new wxList;
1019 wxPendingEvents->Append(this);
1020
1021 wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1022
1023 // 3) Inform the system that new pending events are somwehere,
1024 // and that these should be processed in idle time.
1025 wxWakeUpIdle();
1026 }
1027
1028 void wxEvtHandler::ProcessPendingEvents()
1029 {
1030 #if defined(__VISAGECPP__)
1031 wxENTER_CRIT_SECT( m_eventsLocker);
1032 #else
1033 wxENTER_CRIT_SECT( *m_eventsLocker);
1034 #endif
1035
1036 wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
1037 while ( node )
1038 {
1039 wxEvent *event = (wxEvent *)node->GetData();
1040 m_pendingEvents->Erase(node);
1041
1042 // In ProcessEvent, new events might get added and
1043 // we can safely leave the crtical section here.
1044 #if defined(__VISAGECPP__)
1045 wxLEAVE_CRIT_SECT( m_eventsLocker);
1046 #else
1047 wxLEAVE_CRIT_SECT( *m_eventsLocker);
1048 #endif
1049 ProcessEvent(*event);
1050 delete event;
1051 #if defined(__VISAGECPP__)
1052 wxENTER_CRIT_SECT( m_eventsLocker);
1053 #else
1054 wxENTER_CRIT_SECT( *m_eventsLocker);
1055 #endif
1056
1057 node = m_pendingEvents->GetFirst();
1058 }
1059
1060 #if defined(__VISAGECPP__)
1061 wxLEAVE_CRIT_SECT( m_eventsLocker);
1062 #else
1063 wxLEAVE_CRIT_SECT( *m_eventsLocker);
1064 #endif
1065 }
1066
1067 /*
1068 * Event table stuff
1069 */
1070
1071 bool wxEvtHandler::TryParent(wxEvent& event)
1072 {
1073 if ( wxTheApp && (this != wxTheApp) )
1074 {
1075 // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1076 // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1077 // processed appropriately via SearchEventTable.
1078 if ( event.GetEventType() != wxEVT_IDLE )
1079 {
1080 if ( wxTheApp->ProcessEvent(event) )
1081 return TRUE;
1082 }
1083 }
1084
1085 return FALSE;
1086 }
1087
1088 bool wxEvtHandler::ProcessEvent(wxEvent& event)
1089 {
1090 // allow the application to hook into event processing
1091 if ( wxTheApp )
1092 {
1093 int rc = wxTheApp->FilterEvent(event);
1094 if ( rc != -1 )
1095 {
1096 wxASSERT_MSG( rc == 1 || rc == 0,
1097 _T("unexpected wxApp::FilterEvent return value") );
1098
1099 return rc != 0;
1100 }
1101 //else: proceed normally
1102 }
1103
1104 // An event handler can be enabled or disabled
1105 if ( GetEvtHandlerEnabled() )
1106 {
1107 // if we have a validator, it has higher priority than our own event
1108 // table
1109 #if wxUSE_VALIDATORS
1110 if ( TryValidator(event) )
1111 return TRUE;
1112 #endif // wxUSE_VALIDATORS
1113
1114 // Handle per-instance dynamic event tables first
1115 if ( m_dynamicEvents && SearchDynamicEventTable(event) )
1116 return TRUE;
1117
1118 // Then static per-class event tables
1119 if ( GetEventHashTable().HandleEvent(event, this) )
1120 return TRUE;
1121 }
1122
1123 // Try going down the event handler chain
1124 if ( GetNextHandler() )
1125 {
1126 if ( GetNextHandler()->ProcessEvent(event) )
1127 return TRUE;
1128 }
1129
1130 // Finally propagate the event upwards the window chain and/or to the
1131 // application object as necessary
1132 return TryParent(event);
1133 }
1134
1135
1136 bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
1137 {
1138 wxEventType eventType = event.GetEventType();
1139 int eventId = event.GetId();
1140
1141 // BC++ doesn't like testing for m_fn without != 0
1142 for ( int i = 0; table.entries[i].m_fn != 0; i++ )
1143 {
1144 // the line using reference exposes a bug in gcc: although it _seems_
1145 // to work, it leads to weird crashes later on during program
1146 // execution
1147 #ifdef __GNUG__
1148 wxEventTableEntry entry = table.entries[i];
1149 #else
1150 const wxEventTableEntry& entry = table.entries[i];
1151 #endif
1152
1153 // match only if the event type is the same and the id is either -1 in
1154 // the event table (meaning "any") or the event id matches the id
1155 // specified in the event table either exactly or by falling into
1156 // range between first and last
1157 if ( eventType == entry.m_eventType )
1158 {
1159 int tableId1 = entry.m_id,
1160 tableId2 = entry.m_lastId;
1161
1162 if ( (tableId1 == -1) ||
1163 (tableId2 == -1 && eventId == tableId1) ||
1164 (tableId2 != -1 &&
1165 (eventId >= tableId1 && eventId <= tableId2)) )
1166 {
1167 event.Skip(FALSE);
1168 event.m_callbackUserData = entry.m_callbackUserData;
1169
1170 (this->*((wxEventFunction) (entry.m_fn)))(event);
1171
1172 return !event.GetSkipped();
1173 }
1174 }
1175 }
1176
1177 return FALSE;
1178 }
1179
1180 void wxEvtHandler::Connect( int id, int lastId,
1181 int eventType,
1182 wxObjectEventFunction func,
1183 wxObject *userData,
1184 wxEvtHandler* eventSink )
1185 {
1186 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1187 wxEventTableEntry *entry = new wxEventTableEntry;
1188 entry->m_eventType = eventType;
1189 entry->m_id = id;
1190 entry->m_lastId = lastId;
1191 entry->m_fn = func;
1192 entry->m_callbackUserData = userData;
1193 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1194 wxDynamicEventTableEntry *entry =
1195 new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
1196 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1197
1198 if (!m_dynamicEvents)
1199 m_dynamicEvents = new wxList;
1200
1201 // Insert at the front of the list so most recent additions are found first
1202 m_dynamicEvents->Insert( (wxObject*) entry );
1203 }
1204
1205 bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
1206 wxObjectEventFunction func,
1207 wxObject *userData,
1208 wxEvtHandler* eventSink )
1209 {
1210 if (!m_dynamicEvents)
1211 return FALSE;
1212
1213 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1214 while (node)
1215 {
1216 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1217 wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1218 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1219 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1220 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1221
1222 if ((entry->m_id == id) &&
1223 ((entry->m_lastId == lastId) || (lastId == -1)) &&
1224 ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
1225 ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
1226 ((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
1227 ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
1228 {
1229 if (entry->m_callbackUserData)
1230 delete entry->m_callbackUserData;
1231 m_dynamicEvents->Erase( node );
1232 delete entry;
1233 return TRUE;
1234 }
1235 node = node->GetNext();
1236 }
1237 return FALSE;
1238 }
1239
1240 bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
1241 {
1242 wxCHECK_MSG( m_dynamicEvents, FALSE,
1243 wxT("caller should check that we have dynamic events") );
1244
1245 int commandId = event.GetId();
1246
1247 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1248 while (node)
1249 {
1250 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1251 wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1252 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1253 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1254 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1255
1256 if (entry->m_fn)
1257 {
1258 // Match, if event spec says any id will do (id == -1)
1259 if ( (event.GetEventType() == entry->m_eventType) &&
1260 (entry->m_id == -1 ||
1261 (entry->m_lastId == -1 && commandId == entry->m_id) ||
1262 (entry->m_lastId != -1 &&
1263 (commandId >= entry->m_id && commandId <= entry->m_lastId))) )
1264 {
1265 event.Skip(FALSE);
1266 event.m_callbackUserData = entry->m_callbackUserData;
1267
1268 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
1269 if (entry->m_eventSink)
1270 ((entry->m_eventSink)->*((wxEventFunction) (entry->m_fn)))(event);
1271 else
1272 #endif
1273 (this->*((wxEventFunction) (entry->m_fn)))(event);
1274
1275 if ( ! event.GetSkipped() )
1276 return TRUE;
1277 }
1278 }
1279 node = node->GetNext();
1280 }
1281 return FALSE;
1282 };
1283
1284 void wxEvtHandler::DoSetClientObject( wxClientData *data )
1285 {
1286 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1287 wxT("can't have both object and void client data") );
1288
1289 if ( m_clientObject )
1290 delete m_clientObject;
1291
1292 m_clientObject = data;
1293 m_clientDataType = wxClientData_Object;
1294 }
1295
1296 wxClientData *wxEvtHandler::DoGetClientObject() const
1297 {
1298 // it's not an error to call GetClientObject() on a window which doesn't
1299 // have client data at all - NULL will be returned
1300 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1301 wxT("this window doesn't have object client data") );
1302
1303 return m_clientObject;
1304 }
1305
1306 void wxEvtHandler::DoSetClientData( void *data )
1307 {
1308 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1309 wxT("can't have both object and void client data") );
1310
1311 m_clientData = data;
1312 m_clientDataType = wxClientData_Void;
1313 }
1314
1315 void *wxEvtHandler::DoGetClientData() const
1316 {
1317 // it's not an error to call GetClientData() on a window which doesn't have
1318 // client data at all - NULL will be returned
1319 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1320 wxT("this window doesn't have void client data") );
1321
1322 return m_clientData;
1323 }
1324
1325
1326 #if WXWIN_COMPATIBILITY
1327 bool wxEvtHandler::OnClose()
1328 {
1329 if (GetNextHandler())
1330 return GetNextHandler()->OnClose();
1331 else
1332 return FALSE;
1333 }
1334 #endif // WXWIN_COMPATIBILITY
1335
1336 #endif // wxUSE_BASE
1337
1338 #if wxUSE_GUI
1339
1340 // Find a window with the focus, that is also a descendant of the given window.
1341 // This is used to determine the window to initially send commands to.
1342 wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1343 {
1344 // Process events starting with the window with the focus, if any.
1345 wxWindow* focusWin = wxWindow::FindFocus();
1346 wxWindow* win = focusWin;
1347
1348 // Check if this is a descendant of this frame.
1349 // If not, win will be set to NULL.
1350 while (win)
1351 {
1352 if (win == ancestor)
1353 break;
1354 else
1355 win = win->GetParent();
1356 }
1357 if (win == (wxWindow*) NULL)
1358 focusWin = (wxWindow*) NULL;
1359
1360 return focusWin;
1361 }
1362
1363 #endif // wxUSE_GUI