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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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
21// Some older compilers (such as EMX) cannot handle
22// #pragma interface/implementation correctly, iff
23// #pragma implementation is used in _two_ translation
24// units (as created by e.g. event.cpp compiled for
25// libwx_base and event.cpp compiled for libwx_gui_core).
26// So we must not use those pragmas for those compilers in
27// such files.
28 #pragma implementation "event.h"
29#endif
30
31// For compilers that support precompilation, includes "wx.h".
32#include "wx/wxprec.h"
33
34#ifdef __BORLANDC__
35 #pragma hdrstop
36#endif
37
38#ifndef WX_PRECOMP
39 #include "wx/defs.h"
40 #include "wx/app.h"
41 #include "wx/list.h"
42
43 #if wxUSE_GUI
44 #include "wx/control.h"
45 #include "wx/utils.h"
46 #include "wx/dc.h"
47 #endif // wxUSE_GUI
48#endif
49
50#include "wx/event.h"
51#include "wx/module.h"
52
53#if wxUSE_GUI
54 #include "wx/validate.h"
55#if wxUSE_STOPWATCH
56 #include "wx/stopwatch.h"
57#endif
58#endif // wxUSE_GUI
59
60// ----------------------------------------------------------------------------
61// wxWin macros
62// ----------------------------------------------------------------------------
63
64#if wxUSE_BASE
65 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
66 IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
67#endif // wxUSE_BASE
68
69#if wxUSE_GUI
70 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
71 IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
72 IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
73 IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
74 IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
75 IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
76 IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
77 IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
78 IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
79 IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
80 IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
81 IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
82 IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
83 IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
84 IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
85 IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
86 IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
87 IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
88 IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
89 IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
90 IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
91 IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
92 IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
93 IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
94 IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
95 IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
96 IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
97 IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxEvent)
98 IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
99 IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
100 IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
101 IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
102 IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
103 IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
104 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
105#endif // wxUSE_GUI
106
107#if wxUSE_BASE
108
109const wxEventTable *wxEvtHandler::GetEventTable() const
110 { return &wxEvtHandler::sm_eventTable; }
111
112const wxEventTable wxEvtHandler::sm_eventTable =
113 { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
114
115wxEventHashTable &wxEvtHandler::GetEventHashTable() const
116 { return wxEvtHandler::sm_eventHashTable; }
117
118wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
119
120const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
121 { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
122
123
124#ifdef __WXDEBUG__
125// Clear up event hash table contents or we can get problems
126// when C++ is cleaning up the static object
127class wxEventTableEntryModule: public wxModule
128{
129DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
130public:
131 wxEventTableEntryModule() {}
132 bool OnInit() { return true; }
133 void OnExit()
134 {
135 wxEventHashTable::ClearAll();
136 }
137};
138IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
139#endif
140
141// ----------------------------------------------------------------------------
142// global variables
143// ----------------------------------------------------------------------------
144
145// To put pending event handlers
146wxList *wxPendingEvents = (wxList *)NULL;
147
148#if wxUSE_THREADS
149 // protects wxPendingEvents list
150 wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
151#endif
152
153#if !WXWIN_COMPATIBILITY_EVENT_TYPES
154
155// common event types are defined here, other event types are defined by the
156// components which use them
157
158const wxEventType wxEVT_FIRST = 10000;
159const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
160
161DEFINE_EVENT_TYPE(wxEVT_NULL)
162DEFINE_EVENT_TYPE(wxEVT_IDLE)
163DEFINE_EVENT_TYPE(wxEVT_SOCKET)
164
165#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
166
167#endif // wxUSE_BASE
168
169#if wxUSE_GUI
170
171#if !WXWIN_COMPATIBILITY_EVENT_TYPES
172
173DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
174DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
175DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
176DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
177DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
178DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
179DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
180DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
181DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
182DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
183DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
184DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
185DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
186DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
187DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
188DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
189
190// Sockets and timers send events, too
191DEFINE_EVENT_TYPE(wxEVT_TIMER)
192
193// Mouse event types
194DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
195DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
196DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
197DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
198DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
199DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
200DEFINE_EVENT_TYPE(wxEVT_MOTION)
201DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
202DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
203DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
204DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
205DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
206DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
207DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
208DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
209DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
210
211// Non-client mouse events
212DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
213DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP)
214DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
215DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
216DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
217DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
218DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
219DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
220DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
221DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
222DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
223DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
224
225// Character input event type
226DEFINE_EVENT_TYPE(wxEVT_CHAR)
227DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
228DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
229DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
230DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
231#if wxUSE_HOTKEY
232DEFINE_EVENT_TYPE(wxEVT_HOTKEY)
233#endif
234
235// Set cursor event
236DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
237
238// wxScrollbar and wxSlider event identifiers
239DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
240DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
241DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
242DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
243DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
244DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
245DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
246DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
247DEFINE_EVENT_TYPE(wxEVT_SCROLL_ENDSCROLL)
248
249// Scroll events from wxWindow
250DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
251DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
252DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
253DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
254DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
255DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
256DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
257DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
258
259// System events
260DEFINE_EVENT_TYPE(wxEVT_SIZE)
261DEFINE_EVENT_TYPE(wxEVT_SIZING)
262DEFINE_EVENT_TYPE(wxEVT_MOVE)
263DEFINE_EVENT_TYPE(wxEVT_MOVING)
264DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
265DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
266DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
267DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
268DEFINE_EVENT_TYPE(wxEVT_POWER)
269DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
270DEFINE_EVENT_TYPE(wxEVT_CREATE)
271DEFINE_EVENT_TYPE(wxEVT_DESTROY)
272DEFINE_EVENT_TYPE(wxEVT_SHOW)
273DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
274DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
275DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
276DEFINE_EVENT_TYPE(wxEVT_PAINT)
277DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
278DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
279DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
280DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
281DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
282DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
283DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
284DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
285DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
286DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
287DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
288DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
289DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
290DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
291DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
292DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
293DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
294DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
295DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
296DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
297DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
298DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
299
300// Generic command events
301// Note: a click is a higher-level event than button down/up
302DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
303DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
304DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
305DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
306DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
307DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
308DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
309
310// Help events
311DEFINE_EVENT_TYPE(wxEVT_HELP)
312DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
313
314#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
315
316#endif // wxUSE_GUI
317
318#if wxUSE_BASE
319
320// ============================================================================
321// implementation
322// ============================================================================
323
324// ----------------------------------------------------------------------------
325// event initialization
326// ----------------------------------------------------------------------------
327
328int wxNewEventType()
329{
330 // MT-FIXME
331 static int s_lastUsedEventType = wxEVT_FIRST;
332
333 return s_lastUsedEventType++;
334}
335
336// ----------------------------------------------------------------------------
337// wxEvent
338// ----------------------------------------------------------------------------
339
340/*
341 * General wxWindows events, covering
342 * all interesting things that might happen (button clicking, resizing,
343 * setting text in widgets, etc.).
344 *
345 * For each completely new event type, derive a new event class.
346 *
347 */
348
349wxEvent::wxEvent(int theId, wxEventType commandType )
350{
351 m_eventType = commandType;
352 m_eventObject = (wxObject *) NULL;
353 m_timeStamp = 0;
354 m_id = theId;
355 m_skipped = false;
356 m_callbackUserData = (wxObject *) NULL;
357 m_isCommandEvent = false;
358 m_propagationLevel = wxEVENT_PROPAGATE_NONE;
359}
360
361wxEvent::wxEvent(const wxEvent &src)
362 : wxObject()
363 , m_eventObject(src.m_eventObject)
364 , m_eventType(src.m_eventType)
365 , m_timeStamp(src.m_timeStamp)
366 , m_id(src.m_id)
367 , m_callbackUserData(src.m_callbackUserData)
368 , m_propagationLevel(src.m_propagationLevel)
369 , m_skipped(src.m_skipped)
370 , m_isCommandEvent(src.m_isCommandEvent)
371{
372}
373
374#endif // wxUSE_BASE
375
376#if wxUSE_GUI
377
378/*
379 * Command events
380 *
381 */
382
383wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
384 : wxEvent(theId, commandType)
385{
386 m_clientData = (char *) NULL;
387 m_clientObject = (wxClientData *) NULL;
388 m_extraLong = 0;
389 m_commandInt = 0;
390 m_isCommandEvent = true;
391
392 // the command events are propagated upwards by default
393 m_propagationLevel = wxEVENT_PROPAGATE_MAX;
394}
395
396/*
397 * UI update events
398 */
399
400#if wxUSE_LONGLONG
401wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
402#endif
403
404long wxUpdateUIEvent::sm_updateInterval = 0;
405
406wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
407
408// Can we update?
409bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win)
410{
411 // Don't update if we've switched global updating off
412 // and this window doesn't support updates.
413 if (win &&
414 (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
415 ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
416 return false;
417
418 if (sm_updateInterval == -1)
419 return false;
420 else if (sm_updateInterval == 0)
421 return true;
422 else
423 {
424#if wxUSE_STOPWATCH && wxUSE_LONGLONG
425 wxLongLong now = wxGetLocalTimeMillis();
426 if (now > (sm_lastUpdate + sm_updateInterval))
427 {
428 return true;
429 }
430#else
431 // If we don't have wxStopWatch or wxLongLong, we
432 // should err on the safe side and update now anyway.
433 return true;
434#endif
435 }
436 return false;
437}
438
439// Reset the update time to provide a delay until the next
440// time we should update
441void wxUpdateUIEvent::ResetUpdateTime()
442{
443#if wxUSE_STOPWATCH && wxUSE_LONGLONG
444 if (sm_updateInterval > 0)
445 {
446 wxLongLong now = wxGetLocalTimeMillis();
447 if (now > (sm_lastUpdate + sm_updateInterval))
448 {
449 sm_lastUpdate = now;
450 }
451 }
452#endif
453}
454
455/*
456 * Idle events
457 */
458
459wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
460
461// Can we send an idle event?
462bool wxIdleEvent::CanSend(wxWindow* win)
463{
464 // Don't update if we've switched global updating off
465 // and this window doesn't support updates.
466 if (win &&
467 (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
468 ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
469 return false;
470
471 return true;
472}
473
474/*
475 * Scroll events
476 */
477
478wxScrollEvent::wxScrollEvent(wxEventType commandType,
479 int id,
480 int pos,
481 int orient)
482 : wxCommandEvent(commandType, id)
483{
484 m_extraLong = orient;
485 m_commandInt = pos;
486}
487
488/*
489 * ScrollWin events
490 */
491
492wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
493 int pos,
494 int orient)
495{
496 m_eventType = commandType;
497 m_extraLong = orient;
498 m_commandInt = pos;
499}
500
501/*
502 * Mouse events
503 *
504 */
505
506wxMouseEvent::wxMouseEvent(wxEventType commandType)
507{
508 m_eventType = commandType;
509 m_metaDown = false;
510 m_altDown = false;
511 m_controlDown = false;
512 m_shiftDown = false;
513 m_leftDown = false;
514 m_rightDown = false;
515 m_middleDown = false;
516 m_x = 0;
517 m_y = 0;
518 m_wheelRotation = 0;
519 m_wheelDelta = 0;
520 m_linesPerAction = 0;
521}
522
523void wxMouseEvent::Assign(const wxMouseEvent& event)
524{
525 m_eventType = event.m_eventType;
526
527 m_x = event.m_x;
528 m_y = event.m_y;
529
530 m_leftDown = event.m_leftDown;
531 m_middleDown = event.m_middleDown;
532 m_rightDown = event.m_rightDown;
533
534 m_controlDown = event.m_controlDown;
535 m_shiftDown = event.m_shiftDown;
536 m_altDown = event.m_altDown;
537 m_metaDown = event.m_metaDown;
538
539 m_wheelRotation = event.m_wheelRotation;
540 m_wheelDelta = event.m_wheelDelta;
541 m_linesPerAction = event.m_linesPerAction;
542}
543
544// return true if was a button dclick event
545bool wxMouseEvent::ButtonDClick(int but) const
546{
547 switch (but)
548 {
549 default:
550 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
551 // fall through
552
553 case wxMOUSE_BTN_ANY:
554 return (LeftDClick() || MiddleDClick() || RightDClick());
555
556 case wxMOUSE_BTN_LEFT:
557 return LeftDClick();
558
559 case wxMOUSE_BTN_MIDDLE:
560 return MiddleDClick();
561
562 case wxMOUSE_BTN_RIGHT:
563 return RightDClick();
564 }
565}
566
567// return true if was a button down event
568bool wxMouseEvent::ButtonDown(int but) const
569{
570 switch (but)
571 {
572 default:
573 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
574 // fall through
575
576 case wxMOUSE_BTN_ANY:
577 return (LeftDown() || MiddleDown() || RightDown());
578
579 case wxMOUSE_BTN_LEFT:
580 return LeftDown();
581
582 case wxMOUSE_BTN_MIDDLE:
583 return MiddleDown();
584
585 case wxMOUSE_BTN_RIGHT:
586 return RightDown();
587 }
588}
589
590// return true if was a button up event
591bool wxMouseEvent::ButtonUp(int but) const
592{
593 switch (but)
594 {
595 default:
596 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
597 // fall through
598
599 case wxMOUSE_BTN_ANY:
600 return (LeftUp() || MiddleUp() || RightUp());
601
602 case wxMOUSE_BTN_LEFT:
603 return LeftUp();
604
605 case wxMOUSE_BTN_MIDDLE:
606 return MiddleUp();
607
608 case wxMOUSE_BTN_RIGHT:
609 return RightUp();
610 }
611}
612
613// return true if the given button is currently changing state
614bool wxMouseEvent::Button(int but) const
615{
616 switch (but)
617 {
618 default:
619 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
620 // fall through
621
622 case wxMOUSE_BTN_ANY:
623 return ButtonUp(wxMOUSE_BTN_ANY) ||
624 ButtonDown(wxMOUSE_BTN_ANY) ||
625 ButtonDClick(wxMOUSE_BTN_ANY);
626
627 case wxMOUSE_BTN_LEFT:
628 return LeftDown() || LeftUp() || LeftDClick();
629
630 case wxMOUSE_BTN_MIDDLE:
631 return MiddleDown() || MiddleUp() || MiddleDClick();
632
633 case wxMOUSE_BTN_RIGHT:
634 return RightDown() || RightUp() || RightDClick();
635 }
636}
637
638bool wxMouseEvent::ButtonIsDown(int but) const
639{
640 switch (but)
641 {
642 default:
643 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
644 // fall through
645
646 case wxMOUSE_BTN_ANY:
647 return LeftIsDown() || MiddleIsDown() || RightIsDown();
648
649 case wxMOUSE_BTN_LEFT:
650 return LeftIsDown();
651
652 case wxMOUSE_BTN_MIDDLE:
653 return MiddleIsDown();
654
655 case wxMOUSE_BTN_RIGHT:
656 return RightIsDown();
657 }
658}
659
660int wxMouseEvent::GetButton() const
661{
662 for ( int i = 1; i <= 3; i++ )
663 {
664 if ( Button(i) )
665 {
666 return i;
667 }
668 }
669
670 return wxMOUSE_BTN_NONE;
671}
672
673// Find the logical position of the event given the DC
674wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
675{
676 wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
677 return pt;
678}
679
680
681/*
682 * Keyboard event
683 *
684 */
685
686wxKeyEvent::wxKeyEvent(wxEventType type)
687{
688 m_eventType = type;
689 m_shiftDown = false;
690 m_controlDown = false;
691 m_metaDown = false;
692 m_altDown = false;
693 m_keyCode = 0;
694 m_scanCode = 0;
695#if wxUSE_UNICODE
696 m_uniChar = 0;
697#endif
698}
699
700wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
701 : wxEvent(evt)
702{
703 m_x = evt.m_x;
704 m_y = evt.m_y;
705
706 m_keyCode = evt.m_keyCode;
707
708 m_controlDown = evt.m_controlDown;
709 m_shiftDown = evt.m_shiftDown;
710 m_altDown = evt.m_altDown;
711 m_metaDown = evt.m_metaDown;
712 m_scanCode = evt.m_scanCode;
713 m_rawCode = evt.m_rawCode;
714 m_rawFlags = evt.m_rawFlags;
715
716#if wxUSE_UNICODE
717 m_uniChar = evt.m_uniChar;
718#endif
719}
720
721long wxKeyEvent::KeyCode() const
722{
723 return m_keyCode;
724}
725
726wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
727{
728 SetEventType(wxEVT_CREATE);
729 SetEventObject(win);
730}
731
732wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
733{
734 SetEventType(wxEVT_DESTROY);
735 SetEventObject(win);
736}
737
738wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
739 : wxCommandEvent(wxEVT_CHILD_FOCUS)
740{
741 SetEventObject(win);
742}
743
744#endif // wxUSE_GUI
745
746
747#if wxUSE_BASE
748
749// ----------------------------------------------------------------------------
750// wxEventHashTable
751// ----------------------------------------------------------------------------
752
753static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small...
754
755wxEventHashTable* wxEventHashTable::sm_first = NULL;
756
757wxEventHashTable::wxEventHashTable(const wxEventTable &table)
758 : m_table(table),
759 m_rebuildHash(true)
760{
761 AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
762
763 m_next = sm_first;
764 if (m_next)
765 m_next->m_previous = this;
766 sm_first = this;
767}
768
769wxEventHashTable::~wxEventHashTable()
770{
771 if (m_next)
772 m_next->m_previous = m_previous;
773 if (m_previous)
774 m_previous->m_next = m_next;
775 if (sm_first == this)
776 sm_first = m_next;
777
778 Clear();
779}
780
781void wxEventHashTable::Clear()
782{
783 size_t i;
784 for(i = 0; i < m_size; i++)
785 {
786 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
787 if (eTTnode)
788 {
789 delete eTTnode;
790 }
791 }
792
793 // Necessary in order to not invoke the
794 // overloaded delete operator when statics are cleaned up
795 if (m_eventTypeTable)
796 delete[] m_eventTypeTable;
797
798 m_eventTypeTable = NULL;
799 m_size = 0;
800}
801
802// Clear all tables
803void wxEventHashTable::ClearAll()
804{
805 wxEventHashTable* table = sm_first;
806 while (table)
807 {
808 table->Clear();
809 table = table->m_next;
810 }
811}
812
813bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
814{
815 if (m_rebuildHash)
816 {
817 InitHashTable();
818 m_rebuildHash = false;
819 }
820
821 if (!m_eventTypeTable)
822 return FALSE;
823
824 // Find all entries for the given event type.
825 wxEventType eventType = event.GetEventType();
826 const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
827 if (eTTnode && eTTnode->eventType == eventType)
828 {
829 // Now start the search for an event handler
830 // that can handle an event with the given ID.
831 const wxEventTableEntryPointerArray&
832 eventEntryTable = eTTnode->eventEntryTable;
833
834 const size_t count = eventEntryTable.GetCount();
835 for (size_t n = 0; n < count; n++)
836 {
837 if ( wxEvtHandler::
838 ProcessEventIfMatches(*eventEntryTable[n], self, event) )
839 {
840 return true;
841 }
842 }
843 }
844
845 return false;
846}
847
848void wxEventHashTable::InitHashTable()
849{
850 // Loop over the event tables and all its base tables.
851 const wxEventTable *table = &m_table;
852 while (table)
853 {
854 // Retrieve all valid event handler entries
855 const wxEventTableEntry *entry = table->entries;
856 while (entry->m_fn != 0)
857 {
858 // Add the event entry in the Hash.
859 AddEntry(*entry);
860
861 entry++;
862 }
863
864 table = table->baseTable;
865 }
866
867 // Lets free some memory.
868 size_t i;
869 for(i = 0; i < m_size; i++)
870 {
871 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
872 if (eTTnode)
873 {
874 eTTnode->eventEntryTable.Shrink();
875 }
876 }
877}
878
879void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
880{
881 // This might happen 'accidentally' as the app is exiting
882 if (!m_eventTypeTable)
883 return;
884
885 EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
886 EventTypeTablePointer eTTnode = *peTTnode;
887
888 if (eTTnode)
889 {
890 if (eTTnode->eventType != entry.m_eventType)
891 {
892 // Resize the table!
893 GrowEventTypeTable();
894 // Try again to add it.
895 AddEntry(entry);
896 return;
897 }
898 }
899 else
900 {
901 eTTnode = new EventTypeTable;
902 eTTnode->eventType = entry.m_eventType;
903 *peTTnode = eTTnode;
904 }
905
906 // Fill all hash entries between entry.m_id and entry.m_lastId...
907 eTTnode->eventEntryTable.Add(&entry);
908}
909
910void wxEventHashTable::AllocEventTypeTable(size_t size)
911{
912 m_eventTypeTable = new EventTypeTablePointer[size];
913 memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
914 m_size = size;
915}
916
917void wxEventHashTable::GrowEventTypeTable()
918{
919 size_t oldSize = m_size;
920 EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
921
922 // TODO: Search the most optimal grow sequence
923 AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
924
925 for ( size_t i = 0; i < oldSize; /* */ )
926 {
927 EventTypeTablePointer eTToldNode = oldEventTypeTable[i];
928 if (eTToldNode)
929 {
930 EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
931 EventTypeTablePointer eTTnode = *peTTnode;
932
933 // Check for collision, we don't want any.
934 if (eTTnode)
935 {
936 GrowEventTypeTable();
937 continue; // Don't increment the counter,
938 // as we still need to add this element.
939 }
940 else
941 {
942 // Get the old value and put it in the new table.
943 *peTTnode = oldEventTypeTable[i];
944 }
945 }
946
947 i++;
948 }
949
950 delete[] oldEventTypeTable;
951}
952
953
954// ----------------------------------------------------------------------------
955// wxEvtHandler
956// ----------------------------------------------------------------------------
957
958/*
959 * Event handler
960 */
961
962wxEvtHandler::wxEvtHandler()
963{
964 m_nextHandler = (wxEvtHandler *) NULL;
965 m_previousHandler = (wxEvtHandler *) NULL;
966 m_enabled = true;
967 m_dynamicEvents = (wxList *) NULL;
968 m_pendingEvents = (wxList *) NULL;
969#if wxUSE_THREADS
970# if !defined(__VISAGECPP__)
971 m_eventsLocker = new wxCriticalSection;
972# endif
973#endif
974 // no client data (yet)
975 m_clientData = NULL;
976 m_clientDataType = wxClientData_None;
977}
978
979wxEvtHandler::~wxEvtHandler()
980{
981 // Takes itself out of the list of handlers
982 if (m_previousHandler)
983 m_previousHandler->m_nextHandler = m_nextHandler;
984
985 if (m_nextHandler)
986 m_nextHandler->m_previousHandler = m_previousHandler;
987
988 if (m_dynamicEvents)
989 {
990 wxList::iterator it = m_dynamicEvents->begin(),
991 en = m_dynamicEvents->end();
992 for (;it != en; ++it)
993 {
994#if WXWIN_COMPATIBILITY_EVENT_TYPES
995 wxEventTableEntry *entry = (wxEventTableEntry*)*it;
996#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
997 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
998#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
999
1000 if (entry->m_callbackUserData)
1001 delete entry->m_callbackUserData;
1002 delete entry;
1003 }
1004 delete m_dynamicEvents;
1005 };
1006
1007 delete m_pendingEvents;
1008
1009#if wxUSE_THREADS
1010# if !defined(__VISAGECPP__)
1011 delete m_eventsLocker;
1012# endif
1013
1014 // Remove us from wxPendingEvents if necessary.
1015 if(wxPendingEventsLocker)
1016 wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1017 if ( wxPendingEvents ) {
1018 wxPendingEvents->DeleteObject(this);
1019 }
1020 if(wxPendingEventsLocker)
1021 wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1022#endif
1023
1024 // we only delete object data, not untyped
1025 if ( m_clientDataType == wxClientData_Object )
1026 delete m_clientObject;
1027}
1028
1029#if wxUSE_THREADS
1030
1031bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
1032{
1033 // check that we are really in a child thread
1034 wxASSERT_MSG( !wxThread::IsMain(),
1035 wxT("use ProcessEvent() in main thread") );
1036
1037 AddPendingEvent(event);
1038
1039 return true;
1040}
1041
1042void wxEvtHandler::ClearEventLocker()
1043{
1044#if !defined(__VISAGECPP__)
1045 delete m_eventsLocker;
1046 m_eventsLocker = NULL;
1047#endif
1048};
1049
1050#endif // wxUSE_THREADS
1051
1052void wxEvtHandler::AddPendingEvent(wxEvent& event)
1053{
1054 // 1) Add event to list of pending events of this event handler
1055
1056 wxEvent *eventCopy = event.Clone();
1057
1058 // we must be able to copy the events here so the event class must
1059 // implement Clone() properly instead of just providing a NULL stab for it
1060 wxCHECK_RET( eventCopy,
1061 _T("events of this type aren't supposed to be posted") );
1062
1063#if defined(__VISAGECPP__)
1064 wxENTER_CRIT_SECT( m_eventsLocker);
1065#else
1066 wxENTER_CRIT_SECT( *m_eventsLocker);
1067#endif
1068
1069 if ( !m_pendingEvents )
1070 m_pendingEvents = new wxList;
1071
1072 m_pendingEvents->Append(eventCopy);
1073
1074#if defined(__VISAGECPP__)
1075 wxLEAVE_CRIT_SECT( m_eventsLocker);
1076#else
1077 wxLEAVE_CRIT_SECT( *m_eventsLocker);
1078#endif
1079
1080 // 2) Add this event handler to list of event handlers that
1081 // have pending events.
1082
1083 wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1084
1085 if ( !wxPendingEvents )
1086 wxPendingEvents = new wxList;
1087 wxPendingEvents->Append(this);
1088
1089 wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1090
1091 // 3) Inform the system that new pending events are somwehere,
1092 // and that these should be processed in idle time.
1093 wxWakeUpIdle();
1094}
1095
1096void wxEvtHandler::ProcessPendingEvents()
1097{
1098 // DE: It doesn't look like this method was intended to be called unless
1099 // pending events have already been created.
1100 wxASSERT_MSG(m_pendingEvents,wxT("Please call wxApp::ProcessPendingEvents() instead"));
1101#if defined(__VISAGECPP__)
1102 wxENTER_CRIT_SECT( m_eventsLocker);
1103#else
1104 wxENTER_CRIT_SECT( *m_eventsLocker);
1105#endif
1106
1107 wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
1108 while ( node )
1109 {
1110 wxEvent *event = (wxEvent *)node->GetData();
1111 m_pendingEvents->Erase(node);
1112
1113 // In ProcessEvent, new events might get added and
1114 // we can safely leave the crtical section here.
1115#if defined(__VISAGECPP__)
1116 wxLEAVE_CRIT_SECT( m_eventsLocker);
1117#else
1118 wxLEAVE_CRIT_SECT( *m_eventsLocker);
1119#endif
1120 ProcessEvent(*event);
1121 delete event;
1122#if defined(__VISAGECPP__)
1123 wxENTER_CRIT_SECT( m_eventsLocker);
1124#else
1125 wxENTER_CRIT_SECT( *m_eventsLocker);
1126#endif
1127
1128 node = m_pendingEvents->GetFirst();
1129 }
1130
1131#if defined(__VISAGECPP__)
1132 wxLEAVE_CRIT_SECT( m_eventsLocker);
1133#else
1134 wxLEAVE_CRIT_SECT( *m_eventsLocker);
1135#endif
1136}
1137
1138/*
1139 * Event table stuff
1140 */
1141/* static */ bool
1142wxEvtHandler::ProcessEventIfMatches(const wxEventTableEntryBase& entry,
1143 wxEvtHandler *handler,
1144 wxEvent& event)
1145{
1146 int tableId1 = entry.m_id,
1147 tableId2 = entry.m_lastId;
1148
1149 // match only if the event type is the same and the id is either -1 in
1150 // the event table (meaning "any") or the event id matches the id
1151 // specified in the event table either exactly or by falling into
1152 // range between first and last
1153 if ((tableId1 == -1) ||
1154 (tableId2 == -1 && tableId1 == event.GetId()) ||
1155 (tableId2 != -1 &&
1156 (event.GetId() >= tableId1 && event.GetId() <= tableId2)))
1157 {
1158 event.Skip(false);
1159 event.m_callbackUserData = entry.m_callbackUserData;
1160
1161#if wxUSE_EXCEPTIONS
1162 if ( wxTheApp )
1163 {
1164 // call the handler via wxApp method which allows the user to catch
1165 // any exceptions which may be thrown by any handler in the program
1166 // in one place
1167 wxTheApp->HandleEvent(handler, (wxEventFunction)entry.m_fn, event);
1168 }
1169 else
1170#endif // wxUSE_EXCEPTIONS
1171 {
1172 // no need for an extra virtual function call
1173 (handler->*((wxEventFunction) (entry.m_fn)))(event);
1174 }
1175
1176 if (!event.GetSkipped())
1177 return true;
1178 }
1179
1180 return false;
1181}
1182
1183bool wxEvtHandler::TryParent(wxEvent& event)
1184{
1185 if ( wxTheApp && (this != wxTheApp) )
1186 {
1187 // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1188 // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1189 // processed appropriately via SearchEventTable.
1190 if ( event.GetEventType() != wxEVT_IDLE )
1191 {
1192 if ( wxTheApp->ProcessEvent(event) )
1193 return true;
1194 }
1195 }
1196
1197 return false;
1198}
1199
1200bool wxEvtHandler::ProcessEvent(wxEvent& event)
1201{
1202 // allow the application to hook into event processing
1203 if ( wxTheApp )
1204 {
1205 int rc = wxTheApp->FilterEvent(event);
1206 if ( rc != -1 )
1207 {
1208 wxASSERT_MSG( rc == 1 || rc == 0,
1209 _T("unexpected wxApp::FilterEvent return value") );
1210
1211 return rc != 0;
1212 }
1213 //else: proceed normally
1214 }
1215
1216 // An event handler can be enabled or disabled
1217 if ( GetEvtHandlerEnabled() )
1218 {
1219 // if we have a validator, it has higher priority than our own event
1220 // table
1221 if ( TryValidator(event) )
1222 return true;
1223
1224 // Handle per-instance dynamic event tables first
1225 if ( m_dynamicEvents && SearchDynamicEventTable(event) )
1226 return true;
1227
1228 // Then static per-class event tables
1229 if ( GetEventHashTable().HandleEvent(event, this) )
1230 return true;
1231 }
1232
1233 // Try going down the event handler chain
1234 if ( GetNextHandler() )
1235 {
1236 if ( GetNextHandler()->ProcessEvent(event) )
1237 return true;
1238 }
1239
1240 // Finally propagate the event upwards the window chain and/or to the
1241 // application object as necessary
1242 return TryParent(event);
1243}
1244
1245
1246bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
1247{
1248 const wxEventType eventType = event.GetEventType();
1249 for ( int i = 0; table.entries[i].m_fn != 0; i++ )
1250 {
1251 const wxEventTableEntry& entry = table.entries[i];
1252 if ( eventType == entry.m_eventType )
1253 {
1254 if ( ProcessEventIfMatches(entry, this, event) )
1255 return true;
1256 }
1257 }
1258
1259 return false;
1260}
1261
1262void wxEvtHandler::Connect( int id, int lastId,
1263 int eventType,
1264 wxObjectEventFunction func,
1265 wxObject *userData,
1266 wxEvtHandler* eventSink )
1267{
1268#if WXWIN_COMPATIBILITY_EVENT_TYPES
1269 wxEventTableEntry *entry = new wxEventTableEntry;
1270 entry->m_eventType = eventType;
1271 entry->m_id = id;
1272 entry->m_lastId = lastId;
1273 entry->m_fn = func;
1274 entry->m_callbackUserData = userData;
1275#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1276 wxDynamicEventTableEntry *entry =
1277 new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
1278#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1279
1280 if (!m_dynamicEvents)
1281 m_dynamicEvents = new wxList;
1282
1283 // Insert at the front of the list so most recent additions are found first
1284 m_dynamicEvents->Insert( (wxObject*) entry );
1285}
1286
1287bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
1288 wxObjectEventFunction func,
1289 wxObject *userData,
1290 wxEvtHandler* eventSink )
1291{
1292 if (!m_dynamicEvents)
1293 return false;
1294
1295 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1296 while (node)
1297 {
1298#if WXWIN_COMPATIBILITY_EVENT_TYPES
1299 wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1300#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1301 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1302#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1303
1304 if ((entry->m_id == id) &&
1305 ((entry->m_lastId == lastId) || (lastId == -1)) &&
1306 ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
1307 ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
1308 ((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
1309 ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
1310 {
1311 if (entry->m_callbackUserData)
1312 delete entry->m_callbackUserData;
1313 m_dynamicEvents->Erase( node );
1314 delete entry;
1315 return true;
1316 }
1317 node = node->GetNext();
1318 }
1319 return false;
1320}
1321
1322bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
1323{
1324 wxCHECK_MSG( m_dynamicEvents, false,
1325 wxT("caller should check that we have dynamic events") );
1326
1327 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1328 while (node)
1329 {
1330#if WXWIN_COMPATIBILITY_EVENT_TYPES
1331 wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1332#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1333 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1334#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1335
1336 if ((event.m_eventType == entry->m_eventType) && (entry->m_fn != 0))
1337 {
1338 wxEvtHandler *handler =
1339#if !WXWIN_COMPATIBILITY_EVENT_TYPES
1340 entry->m_eventSink ? entry->m_eventSink
1341 :
1342#endif
1343 this;
1344
1345 if ( ProcessEventIfMatches(*entry, handler, event) )
1346 {
1347 return true;
1348 }
1349 }
1350
1351 node = node->GetNext();
1352 }
1353
1354 return false;
1355};
1356
1357void wxEvtHandler::DoSetClientObject( wxClientData *data )
1358{
1359 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1360 wxT("can't have both object and void client data") );
1361
1362 if ( m_clientObject )
1363 delete m_clientObject;
1364
1365 m_clientObject = data;
1366 m_clientDataType = wxClientData_Object;
1367}
1368
1369wxClientData *wxEvtHandler::DoGetClientObject() const
1370{
1371 // it's not an error to call GetClientObject() on a window which doesn't
1372 // have client data at all - NULL will be returned
1373 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1374 wxT("this window doesn't have object client data") );
1375
1376 return m_clientObject;
1377}
1378
1379void wxEvtHandler::DoSetClientData( void *data )
1380{
1381 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1382 wxT("can't have both object and void client data") );
1383
1384 m_clientData = data;
1385 m_clientDataType = wxClientData_Void;
1386}
1387
1388void *wxEvtHandler::DoGetClientData() const
1389{
1390 // it's not an error to call GetClientData() on a window which doesn't have
1391 // client data at all - NULL will be returned
1392 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1393 wxT("this window doesn't have void client data") );
1394
1395 return m_clientData;
1396}
1397
1398#endif // wxUSE_BASE
1399
1400#if wxUSE_GUI
1401
1402// Find a window with the focus, that is also a descendant of the given window.
1403// This is used to determine the window to initially send commands to.
1404wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1405{
1406 // Process events starting with the window with the focus, if any.
1407 wxWindow* focusWin = wxWindow::FindFocus();
1408 wxWindow* win = focusWin;
1409
1410 // Check if this is a descendant of this frame.
1411 // If not, win will be set to NULL.
1412 while (win)
1413 {
1414 if (win == ancestor)
1415 break;
1416 else
1417 win = win->GetParent();
1418 }
1419 if (win == (wxWindow*) NULL)
1420 focusWin = (wxWindow*) NULL;
1421
1422 return focusWin;
1423}
1424
1425#endif // wxUSE_GUI
wxWidgets (Impactor)