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Include wx/app.h according to precompiled headers of wx/wx.h (with other minor cleaning).
[wxWidgets.git] / src / common / event.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/common/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// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
24 #pragma hdrstop
25#endif
26
27#include "wx/event.h"
28
29#ifndef WX_PRECOMP
30 #include "wx/list.h"
31 #include "wx/app.h"
32
33 #if wxUSE_GUI
34 #include "wx/control.h"
35 #include "wx/utils.h"
36 #include "wx/dc.h"
37 #include "wx/textctrl.h"
38 #endif // wxUSE_GUI
39#endif
40
41#include "wx/module.h"
42
43#if wxUSE_GUI
44 #include "wx/validate.h"
45#if wxUSE_STOPWATCH
46 #include "wx/stopwatch.h"
47#endif
48#endif // wxUSE_GUI
49
50// ----------------------------------------------------------------------------
51// wxWin macros
52// ----------------------------------------------------------------------------
53
54#if wxUSE_BASE
55 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
56 IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
57#endif // wxUSE_BASE
58
59#if wxUSE_GUI
60 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
61 IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
62 IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
63 IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
64 IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
65 IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
66 IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
67 IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
68 IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
69 IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
70 IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
71 IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
72 IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
73 IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
74 IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
75 IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
76 IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
77 IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
78 IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
79 IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
80 IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
81 IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
82 IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
83 IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
84 IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
85 IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
86 IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
87 IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxEvent)
88 IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
89 IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
90 IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
91 IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
92 IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
93 IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
94 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
95#endif // wxUSE_GUI
96
97#if wxUSE_BASE
98
99const wxEventTable *wxEvtHandler::GetEventTable() const
100 { return &wxEvtHandler::sm_eventTable; }
101
102const wxEventTable wxEvtHandler::sm_eventTable =
103 { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
104
105wxEventHashTable &wxEvtHandler::GetEventHashTable() const
106 { return wxEvtHandler::sm_eventHashTable; }
107
108wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
109
110const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
111 { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
112
113
114#ifdef __WXDEBUG__
115// Clear up event hash table contents or we can get problems
116// when C++ is cleaning up the static object
117class wxEventTableEntryModule: public wxModule
118{
119DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
120public:
121 wxEventTableEntryModule() {}
122 bool OnInit() { return true; }
123 void OnExit()
124 {
125 wxEventHashTable::ClearAll();
126 }
127};
128IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
129#endif
130
131// ----------------------------------------------------------------------------
132// global variables
133// ----------------------------------------------------------------------------
134
135// To put pending event handlers
136wxList *wxPendingEvents = (wxList *)NULL;
137
138#if wxUSE_THREADS
139 // protects wxPendingEvents list
140 wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
141#endif
142
143#if !WXWIN_COMPATIBILITY_EVENT_TYPES
144
145// common event types are defined here, other event types are defined by the
146// components which use them
147
148const wxEventType wxEVT_FIRST = 10000;
149const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
150
151DEFINE_EVENT_TYPE(wxEVT_NULL)
152DEFINE_EVENT_TYPE(wxEVT_IDLE)
153DEFINE_EVENT_TYPE(wxEVT_SOCKET)
154
155#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
156
157#endif // wxUSE_BASE
158
159#if wxUSE_GUI
160
161#if !WXWIN_COMPATIBILITY_EVENT_TYPES
162
163DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
164DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
165DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
166DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
167DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
168DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
169DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
170DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
171DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
172DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
173DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
174DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
175DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
176DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
177DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
178DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
179
180// Sockets and timers send events, too
181DEFINE_EVENT_TYPE(wxEVT_TIMER)
182
183// Mouse event types
184DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
185DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
186DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
187DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
188DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
189DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
190DEFINE_EVENT_TYPE(wxEVT_MOTION)
191DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
192DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
193DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
194DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
195DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
196DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
197DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
198DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
199DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
200
201// Non-client mouse events
202DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
203DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP)
204DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
205DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
206DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
207DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
208DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
209DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
210DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
211DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
212DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
213DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
214
215// Character input event type
216DEFINE_EVENT_TYPE(wxEVT_CHAR)
217DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
218DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
219DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
220DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
221#if wxUSE_HOTKEY
222DEFINE_EVENT_TYPE(wxEVT_HOTKEY)
223#endif
224
225// Set cursor event
226DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
227
228// wxScrollbar and wxSlider event identifiers
229DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
230DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
231DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
232DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
233DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
234DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
235DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
236DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
237DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED)
238
239// Scroll events from wxWindow
240DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
241DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
242DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
243DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
244DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
245DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
246DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
247DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
248
249// System events
250DEFINE_EVENT_TYPE(wxEVT_SIZE)
251DEFINE_EVENT_TYPE(wxEVT_SIZING)
252DEFINE_EVENT_TYPE(wxEVT_MOVE)
253DEFINE_EVENT_TYPE(wxEVT_MOVING)
254DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
255DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
256DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
257DEFINE_EVENT_TYPE(wxEVT_HIBERNATE)
258DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
259DEFINE_EVENT_TYPE(wxEVT_POWER)
260DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
261DEFINE_EVENT_TYPE(wxEVT_CREATE)
262DEFINE_EVENT_TYPE(wxEVT_DESTROY)
263DEFINE_EVENT_TYPE(wxEVT_SHOW)
264DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
265DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
266DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
267DEFINE_EVENT_TYPE(wxEVT_PAINT)
268DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
269DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
270DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
271DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
272DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
273DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
274DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
275DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
276DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
277DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
278DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
279DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
280DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
281DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
282DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
283DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
284DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
285DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
286DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
287DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
288DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
289DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
290
291// Generic command events
292// Note: a click is a higher-level event than button down/up
293DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
294DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
295DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
296DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
297DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
298DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
299DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
300
301// Help events
302DEFINE_EVENT_TYPE(wxEVT_HELP)
303DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
304
305#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
306
307#endif // wxUSE_GUI
308
309#if wxUSE_BASE
310
311// ============================================================================
312// implementation
313// ============================================================================
314
315// ----------------------------------------------------------------------------
316// event initialization
317// ----------------------------------------------------------------------------
318
319int wxNewEventType()
320{
321 // MT-FIXME
322 static int s_lastUsedEventType = wxEVT_FIRST;
323
324 return s_lastUsedEventType++;
325}
326
327// ----------------------------------------------------------------------------
328// wxEvent
329// ----------------------------------------------------------------------------
330
331/*
332 * General wxWidgets events, covering
333 * all interesting things that might happen (button clicking, resizing,
334 * setting text in widgets, etc.).
335 *
336 * For each completely new event type, derive a new event class.
337 *
338 */
339
340wxEvent::wxEvent(int theId, wxEventType commandType )
341{
342 m_eventType = commandType;
343 m_eventObject = (wxObject *) NULL;
344 m_timeStamp = 0;
345 m_id = theId;
346 m_skipped = false;
347 m_callbackUserData = (wxObject *) NULL;
348 m_isCommandEvent = false;
349 m_propagationLevel = wxEVENT_PROPAGATE_NONE;
350}
351
352wxEvent::wxEvent(const wxEvent &src)
353 : wxObject()
354 , m_eventObject(src.m_eventObject)
355 , m_eventType(src.m_eventType)
356 , m_timeStamp(src.m_timeStamp)
357 , m_id(src.m_id)
358 , m_callbackUserData(src.m_callbackUserData)
359 , m_propagationLevel(src.m_propagationLevel)
360 , m_skipped(src.m_skipped)
361 , m_isCommandEvent(src.m_isCommandEvent)
362{
363}
364
365#endif // wxUSE_BASE
366
367#if wxUSE_GUI
368
369/*
370 * Command events
371 *
372 */
373
374#ifdef __VISUALC__
375 // 'this' : used in base member initializer list (for m_commandString)
376 #pragma warning(disable:4355)
377#endif
378
379wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
380 : wxEvent(theId, commandType)
381#if WXWIN_COMPATIBILITY_2_4
382 , m_commandString(this)
383#endif
384{
385 m_clientData = (char *) NULL;
386 m_clientObject = (wxClientData *) NULL;
387 m_extraLong = 0;
388 m_commandInt = 0;
389 m_isCommandEvent = true;
390
391 // the command events are propagated upwards by default
392 m_propagationLevel = wxEVENT_PROPAGATE_MAX;
393}
394
395#ifdef __VISUALC__
396 #pragma warning(default:4355)
397#endif
398
399wxString wxCommandEvent::GetString() const
400{
401 if(m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
402 return m_cmdString;
403 else
404 {
405#if wxUSE_TEXTCTRL
406 wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl);
407 if(txt)
408 return txt->GetValue();
409 else
410#endif // wxUSE_TEXTCTRL
411 return m_cmdString;
412 }
413}
414
415/*
416 * UI update events
417 */
418
419#if wxUSE_LONGLONG
420wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
421#endif
422
423long wxUpdateUIEvent::sm_updateInterval = 0;
424
425wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
426
427// Can we update?
428bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win)
429{
430 // Don't update if we've switched global updating off
431 // and this window doesn't support updates.
432 if (win &&
433 (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
434 ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
435 return false;
436
437 if (sm_updateInterval == -1)
438 return false;
439
440 if (sm_updateInterval == 0)
441 return true;
442
443#if wxUSE_STOPWATCH && wxUSE_LONGLONG
444 wxLongLong now = wxGetLocalTimeMillis();
445 if (now > (sm_lastUpdate + sm_updateInterval))
446 {
447 return true;
448 }
449
450 return false;
451#else
452 // If we don't have wxStopWatch or wxLongLong, we
453 // should err on the safe side and update now anyway.
454 return true;
455#endif
456}
457
458// Reset the update time to provide a delay until the next
459// time we should update
460void wxUpdateUIEvent::ResetUpdateTime()
461{
462#if wxUSE_STOPWATCH && wxUSE_LONGLONG
463 if (sm_updateInterval > 0)
464 {
465 wxLongLong now = wxGetLocalTimeMillis();
466 if (now > (sm_lastUpdate + sm_updateInterval))
467 {
468 sm_lastUpdate = now;
469 }
470 }
471#endif
472}
473
474/*
475 * Idle events
476 */
477
478wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
479
480// Can we send an idle event?
481bool wxIdleEvent::CanSend(wxWindow* win)
482{
483 // Don't update if we've switched global updating off
484 // and this window doesn't support updates.
485 if (win &&
486 (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
487 ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
488 return false;
489
490 return true;
491}
492
493/*
494 * Scroll events
495 */
496
497wxScrollEvent::wxScrollEvent(wxEventType commandType,
498 int id,
499 int pos,
500 int orient)
501 : wxCommandEvent(commandType, id)
502{
503 m_extraLong = orient;
504 m_commandInt = pos;
505}
506
507/*
508 * ScrollWin events
509 */
510
511wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
512 int pos,
513 int orient)
514{
515 m_eventType = commandType;
516 m_extraLong = orient;
517 m_commandInt = pos;
518}
519
520/*
521 * Mouse events
522 *
523 */
524
525wxMouseEvent::wxMouseEvent(wxEventType commandType)
526{
527 m_eventType = commandType;
528 m_metaDown = false;
529 m_altDown = false;
530 m_controlDown = false;
531 m_shiftDown = false;
532 m_leftDown = false;
533 m_rightDown = false;
534 m_middleDown = false;
535 m_x = 0;
536 m_y = 0;
537 m_wheelRotation = 0;
538 m_wheelDelta = 0;
539 m_linesPerAction = 0;
540}
541
542void wxMouseEvent::Assign(const wxMouseEvent& event)
543{
544 m_eventType = event.m_eventType;
545
546 m_x = event.m_x;
547 m_y = event.m_y;
548
549 m_leftDown = event.m_leftDown;
550 m_middleDown = event.m_middleDown;
551 m_rightDown = event.m_rightDown;
552
553 m_controlDown = event.m_controlDown;
554 m_shiftDown = event.m_shiftDown;
555 m_altDown = event.m_altDown;
556 m_metaDown = event.m_metaDown;
557
558 m_wheelRotation = event.m_wheelRotation;
559 m_wheelDelta = event.m_wheelDelta;
560 m_linesPerAction = event.m_linesPerAction;
561}
562
563// return true if was a button dclick event
564bool wxMouseEvent::ButtonDClick(int but) const
565{
566 switch (but)
567 {
568 default:
569 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
570 // fall through
571
572 case wxMOUSE_BTN_ANY:
573 return (LeftDClick() || MiddleDClick() || RightDClick());
574
575 case wxMOUSE_BTN_LEFT:
576 return LeftDClick();
577
578 case wxMOUSE_BTN_MIDDLE:
579 return MiddleDClick();
580
581 case wxMOUSE_BTN_RIGHT:
582 return RightDClick();
583 }
584}
585
586// return true if was a button down event
587bool wxMouseEvent::ButtonDown(int but) const
588{
589 switch (but)
590 {
591 default:
592 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
593 // fall through
594
595 case wxMOUSE_BTN_ANY:
596 return (LeftDown() || MiddleDown() || RightDown());
597
598 case wxMOUSE_BTN_LEFT:
599 return LeftDown();
600
601 case wxMOUSE_BTN_MIDDLE:
602 return MiddleDown();
603
604 case wxMOUSE_BTN_RIGHT:
605 return RightDown();
606 }
607}
608
609// return true if was a button up event
610bool wxMouseEvent::ButtonUp(int but) const
611{
612 switch (but)
613 {
614 default:
615 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
616 // fall through
617
618 case wxMOUSE_BTN_ANY:
619 return (LeftUp() || MiddleUp() || RightUp());
620
621 case wxMOUSE_BTN_LEFT:
622 return LeftUp();
623
624 case wxMOUSE_BTN_MIDDLE:
625 return MiddleUp();
626
627 case wxMOUSE_BTN_RIGHT:
628 return RightUp();
629 }
630}
631
632// return true if the given button is currently changing state
633bool wxMouseEvent::Button(int but) const
634{
635 switch (but)
636 {
637 default:
638 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
639 // fall through
640
641 case wxMOUSE_BTN_ANY:
642 return ButtonUp(wxMOUSE_BTN_ANY) ||
643 ButtonDown(wxMOUSE_BTN_ANY) ||
644 ButtonDClick(wxMOUSE_BTN_ANY);
645
646 case wxMOUSE_BTN_LEFT:
647 return LeftDown() || LeftUp() || LeftDClick();
648
649 case wxMOUSE_BTN_MIDDLE:
650 return MiddleDown() || MiddleUp() || MiddleDClick();
651
652 case wxMOUSE_BTN_RIGHT:
653 return RightDown() || RightUp() || RightDClick();
654 }
655}
656
657bool wxMouseEvent::ButtonIsDown(int but) const
658{
659 switch (but)
660 {
661 default:
662 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
663 // fall through
664
665 case wxMOUSE_BTN_ANY:
666 return LeftIsDown() || MiddleIsDown() || RightIsDown();
667
668 case wxMOUSE_BTN_LEFT:
669 return LeftIsDown();
670
671 case wxMOUSE_BTN_MIDDLE:
672 return MiddleIsDown();
673
674 case wxMOUSE_BTN_RIGHT:
675 return RightIsDown();
676 }
677}
678
679int wxMouseEvent::GetButton() const
680{
681 for ( int i = 1; i <= 3; i++ )
682 {
683 if ( Button(i) )
684 {
685 return i;
686 }
687 }
688
689 return wxMOUSE_BTN_NONE;
690}
691
692// Find the logical position of the event given the DC
693wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
694{
695 wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
696 return pt;
697}
698
699
700/*
701 * Keyboard event
702 *
703 */
704
705wxKeyEvent::wxKeyEvent(wxEventType type)
706{
707 m_eventType = type;
708 m_shiftDown = false;
709 m_controlDown = false;
710 m_metaDown = false;
711 m_altDown = false;
712 m_keyCode = 0;
713 m_scanCode = 0;
714#if wxUSE_UNICODE
715 m_uniChar = 0;
716#endif
717}
718
719wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
720 : wxEvent(evt)
721{
722 m_x = evt.m_x;
723 m_y = evt.m_y;
724
725 m_keyCode = evt.m_keyCode;
726
727 m_controlDown = evt.m_controlDown;
728 m_shiftDown = evt.m_shiftDown;
729 m_altDown = evt.m_altDown;
730 m_metaDown = evt.m_metaDown;
731 m_scanCode = evt.m_scanCode;
732 m_rawCode = evt.m_rawCode;
733 m_rawFlags = evt.m_rawFlags;
734
735#if wxUSE_UNICODE
736 m_uniChar = evt.m_uniChar;
737#endif
738}
739
740#if WXWIN_COMPATIBILITY_2_6
741long wxKeyEvent::KeyCode() const
742{
743 return m_keyCode;
744}
745#endif // WXWIN_COMPATIBILITY_2_6
746
747wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
748{
749 SetEventType(wxEVT_CREATE);
750 SetEventObject(win);
751}
752
753wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
754{
755 SetEventType(wxEVT_DESTROY);
756 SetEventObject(win);
757}
758
759wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
760 : wxCommandEvent(wxEVT_CHILD_FOCUS)
761{
762 SetEventObject(win);
763}
764
765#endif // wxUSE_GUI
766
767
768#if wxUSE_BASE
769
770// ----------------------------------------------------------------------------
771// wxEventHashTable
772// ----------------------------------------------------------------------------
773
774static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small...
775
776wxEventHashTable* wxEventHashTable::sm_first = NULL;
777
778wxEventHashTable::wxEventHashTable(const wxEventTable &table)
779 : m_table(table),
780 m_rebuildHash(true)
781{
782 AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
783
784 m_next = sm_first;
785 if (m_next)
786 m_next->m_previous = this;
787 sm_first = this;
788}
789
790wxEventHashTable::~wxEventHashTable()
791{
792 if (m_next)
793 m_next->m_previous = m_previous;
794 if (m_previous)
795 m_previous->m_next = m_next;
796 if (sm_first == this)
797 sm_first = m_next;
798
799 Clear();
800}
801
802void wxEventHashTable::Clear()
803{
804 size_t i;
805 for(i = 0; i < m_size; i++)
806 {
807 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
808 if (eTTnode)
809 {
810 delete eTTnode;
811 }
812 }
813
814 // Necessary in order to not invoke the
815 // overloaded delete operator when statics are cleaned up
816 if (m_eventTypeTable)
817 delete[] m_eventTypeTable;
818
819 m_eventTypeTable = NULL;
820 m_size = 0;
821}
822
823// Clear all tables
824void wxEventHashTable::ClearAll()
825{
826 wxEventHashTable* table = sm_first;
827 while (table)
828 {
829 table->Clear();
830 table = table->m_next;
831 }
832}
833
834bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
835{
836 if (m_rebuildHash)
837 {
838 InitHashTable();
839 m_rebuildHash = false;
840 }
841
842 if (!m_eventTypeTable)
843 return false;
844
845 // Find all entries for the given event type.
846 wxEventType eventType = event.GetEventType();
847 const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
848 if (eTTnode && eTTnode->eventType == eventType)
849 {
850 // Now start the search for an event handler
851 // that can handle an event with the given ID.
852 const wxEventTableEntryPointerArray&
853 eventEntryTable = eTTnode->eventEntryTable;
854
855 const size_t count = eventEntryTable.GetCount();
856 for (size_t n = 0; n < count; n++)
857 {
858 if ( wxEvtHandler::
859 ProcessEventIfMatches(*eventEntryTable[n], self, event) )
860 {
861 return true;
862 }
863 }
864 }
865
866 return false;
867}
868
869void wxEventHashTable::InitHashTable()
870{
871 // Loop over the event tables and all its base tables.
872 const wxEventTable *table = &m_table;
873 while (table)
874 {
875 // Retrieve all valid event handler entries
876 const wxEventTableEntry *entry = table->entries;
877 while (entry->m_fn != 0)
878 {
879 // Add the event entry in the Hash.
880 AddEntry(*entry);
881
882 entry++;
883 }
884
885 table = table->baseTable;
886 }
887
888 // Lets free some memory.
889 size_t i;
890 for(i = 0; i < m_size; i++)
891 {
892 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
893 if (eTTnode)
894 {
895 eTTnode->eventEntryTable.Shrink();
896 }
897 }
898}
899
900void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
901{
902 // This might happen 'accidentally' as the app is exiting
903 if (!m_eventTypeTable)
904 return;
905
906 EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
907 EventTypeTablePointer eTTnode = *peTTnode;
908
909 if (eTTnode)
910 {
911 if (eTTnode->eventType != entry.m_eventType)
912 {
913 // Resize the table!
914 GrowEventTypeTable();
915 // Try again to add it.
916 AddEntry(entry);
917 return;
918 }
919 }
920 else
921 {
922 eTTnode = new EventTypeTable;
923 eTTnode->eventType = entry.m_eventType;
924 *peTTnode = eTTnode;
925 }
926
927 // Fill all hash entries between entry.m_id and entry.m_lastId...
928 eTTnode->eventEntryTable.Add(&entry);
929}
930
931void wxEventHashTable::AllocEventTypeTable(size_t size)
932{
933 m_eventTypeTable = new EventTypeTablePointer[size];
934 memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
935 m_size = size;
936}
937
938void wxEventHashTable::GrowEventTypeTable()
939{
940 size_t oldSize = m_size;
941 EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
942
943 // TODO: Search the most optimal grow sequence
944 AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
945
946 for ( size_t i = 0; i < oldSize; /* */ )
947 {
948 EventTypeTablePointer eTToldNode = oldEventTypeTable[i];
949 if (eTToldNode)
950 {
951 EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
952 EventTypeTablePointer eTTnode = *peTTnode;
953
954 // Check for collision, we don't want any.
955 if (eTTnode)
956 {
957 GrowEventTypeTable();
958 continue; // Don't increment the counter,
959 // as we still need to add this element.
960 }
961 else
962 {
963 // Get the old value and put it in the new table.
964 *peTTnode = oldEventTypeTable[i];
965 }
966 }
967
968 i++;
969 }
970
971 delete[] oldEventTypeTable;
972}
973
974
975// ----------------------------------------------------------------------------
976// wxEvtHandler
977// ----------------------------------------------------------------------------
978
979/*
980 * Event handler
981 */
982
983wxEvtHandler::wxEvtHandler()
984{
985 m_nextHandler = (wxEvtHandler *) NULL;
986 m_previousHandler = (wxEvtHandler *) NULL;
987 m_enabled = true;
988 m_dynamicEvents = (wxList *) NULL;
989 m_pendingEvents = (wxList *) NULL;
990#if wxUSE_THREADS
991# if !defined(__VISAGECPP__)
992 m_eventsLocker = new wxCriticalSection;
993# endif
994#endif
995 // no client data (yet)
996 m_clientData = NULL;
997 m_clientDataType = wxClientData_None;
998}
999
1000wxEvtHandler::~wxEvtHandler()
1001{
1002 // Takes itself out of the list of handlers
1003 if (m_previousHandler)
1004 m_previousHandler->m_nextHandler = m_nextHandler;
1005
1006 if (m_nextHandler)
1007 m_nextHandler->m_previousHandler = m_previousHandler;
1008
1009 if (m_dynamicEvents)
1010 {
1011 wxList::iterator it = m_dynamicEvents->begin(),
1012 en = m_dynamicEvents->end();
1013 for (;it != en; ++it)
1014 {
1015#if WXWIN_COMPATIBILITY_EVENT_TYPES
1016 wxEventTableEntry *entry = (wxEventTableEntry*)*it;
1017#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1018 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
1019#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1020
1021 if (entry->m_callbackUserData)
1022 delete entry->m_callbackUserData;
1023 delete entry;
1024 }
1025 delete m_dynamicEvents;
1026 };
1027
1028 if (m_pendingEvents)
1029 m_pendingEvents->DeleteContents(true);
1030 delete m_pendingEvents;
1031
1032#if wxUSE_THREADS
1033# if !defined(__VISAGECPP__)
1034 delete m_eventsLocker;
1035# endif
1036
1037 // Remove us from wxPendingEvents if necessary.
1038 if(wxPendingEventsLocker)
1039 wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1040 if ( wxPendingEvents )
1041 {
1042 // Delete all occurences of this from the list of pending events
1043 while (wxPendingEvents->DeleteObject(this)) { } // Do nothing
1044 }
1045 if(wxPendingEventsLocker)
1046 wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1047#endif
1048
1049 // we only delete object data, not untyped
1050 if ( m_clientDataType == wxClientData_Object )
1051 delete m_clientObject;
1052}
1053
1054#if wxUSE_THREADS
1055
1056bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
1057{
1058 // check that we are really in a child thread
1059 wxASSERT_MSG( !wxThread::IsMain(),
1060 wxT("use ProcessEvent() in main thread") );
1061
1062 AddPendingEvent(event);
1063
1064 return true;
1065}
1066
1067void wxEvtHandler::ClearEventLocker()
1068{
1069#if !defined(__VISAGECPP__)
1070 delete m_eventsLocker;
1071 m_eventsLocker = NULL;
1072#endif
1073}
1074
1075#endif // wxUSE_THREADS
1076
1077void wxEvtHandler::AddPendingEvent(wxEvent& event)
1078{
1079 // 1) Add event to list of pending events of this event handler
1080
1081 wxEvent *eventCopy = event.Clone();
1082
1083 // we must be able to copy the events here so the event class must
1084 // implement Clone() properly instead of just providing a NULL stab for it
1085 wxCHECK_RET( eventCopy,
1086 _T("events of this type aren't supposed to be posted") );
1087
1088 wxENTER_CRIT_SECT( Lock() );
1089
1090 if ( !m_pendingEvents )
1091 m_pendingEvents = new wxList;
1092
1093 m_pendingEvents->Append(eventCopy);
1094
1095 wxLEAVE_CRIT_SECT( Lock() );
1096
1097 // 2) Add this event handler to list of event handlers that
1098 // have pending events.
1099
1100 wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1101
1102 if ( !wxPendingEvents )
1103 wxPendingEvents = new wxList;
1104 wxPendingEvents->Append(this);
1105
1106 wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1107
1108 // 3) Inform the system that new pending events are somewhere,
1109 // and that these should be processed in idle time.
1110 wxWakeUpIdle();
1111}
1112
1113void wxEvtHandler::ProcessPendingEvents()
1114{
1115 // this method is only called by wxApp if this handler does have pending
1116 // events
1117 wxCHECK_RET( m_pendingEvents,
1118 wxT("Please call wxApp::ProcessPendingEvents() instead") );
1119
1120 wxENTER_CRIT_SECT( Lock() );
1121
1122 // we leave the loop once we have processed all events that were present at
1123 // the start of ProcessPendingEvents because otherwise we could get into
1124 // infinite loop if the pending event handler execution resulted in another
1125 // event being posted
1126 size_t n = m_pendingEvents->size();
1127 for ( wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
1128 node;
1129 node = m_pendingEvents->GetFirst() )
1130 {
1131 wxEvent *event = (wxEvent *)node->GetData();
1132
1133 // It's importan we remove event from list before processing it.
1134 // Else a nested event loop, for example from a modal dialog, might
1135 // process the same event again.
1136 m_pendingEvents->Erase(node);
1137
1138 wxLEAVE_CRIT_SECT( Lock() );
1139
1140 ProcessEvent(*event);
1141 delete event;
1142
1143 wxENTER_CRIT_SECT( Lock() );
1144
1145 if ( --n == 0 )
1146 break;
1147 }
1148
1149 wxLEAVE_CRIT_SECT( Lock() );
1150}
1151
1152/*
1153 * Event table stuff
1154 */
1155/* static */ bool
1156wxEvtHandler::ProcessEventIfMatches(const wxEventTableEntryBase& entry,
1157 wxEvtHandler *handler,
1158 wxEvent& event)
1159{
1160 int tableId1 = entry.m_id,
1161 tableId2 = entry.m_lastId;
1162
1163 // match only if the event type is the same and the id is either -1 in
1164 // the event table (meaning "any") or the event id matches the id
1165 // specified in the event table either exactly or by falling into
1166 // range between first and last
1167 if ((tableId1 == wxID_ANY) ||
1168 (tableId2 == wxID_ANY && tableId1 == event.GetId()) ||
1169 (tableId2 != wxID_ANY &&
1170 (event.GetId() >= tableId1 && event.GetId() <= tableId2)))
1171 {
1172 event.Skip(false);
1173 event.m_callbackUserData = entry.m_callbackUserData;
1174
1175#if wxUSE_EXCEPTIONS
1176 if ( wxTheApp )
1177 {
1178 // call the handler via wxApp method which allows the user to catch
1179 // any exceptions which may be thrown by any handler in the program
1180 // in one place
1181 wxTheApp->HandleEvent(handler, (wxEventFunction)entry.m_fn, event);
1182 }
1183 else
1184#endif // wxUSE_EXCEPTIONS
1185 {
1186 // no need for an extra virtual function call
1187 (handler->*((wxEventFunction) (entry.m_fn)))(event);
1188 }
1189
1190 if (!event.GetSkipped())
1191 return true;
1192 }
1193
1194 return false;
1195}
1196
1197bool wxEvtHandler::TryParent(wxEvent& event)
1198{
1199 if ( wxTheApp && (this != wxTheApp) )
1200 {
1201 // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1202 // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1203 // processed appropriately via SearchEventTable.
1204 if ( event.GetEventType() != wxEVT_IDLE )
1205 {
1206 if ( wxTheApp->ProcessEvent(event) )
1207 return true;
1208 }
1209 }
1210
1211 return false;
1212}
1213
1214bool wxEvtHandler::ProcessEvent(wxEvent& event)
1215{
1216 // allow the application to hook into event processing
1217 if ( wxTheApp )
1218 {
1219 int rc = wxTheApp->FilterEvent(event);
1220 if ( rc != -1 )
1221 {
1222 wxASSERT_MSG( rc == 1 || rc == 0,
1223 _T("unexpected wxApp::FilterEvent return value") );
1224
1225 return rc != 0;
1226 }
1227 //else: proceed normally
1228 }
1229
1230 // An event handler can be enabled or disabled
1231 if ( GetEvtHandlerEnabled() )
1232 {
1233 // if we have a validator, it has higher priority than our own event
1234 // table
1235 if ( TryValidator(event) )
1236 return true;
1237
1238 // Handle per-instance dynamic event tables first
1239 if ( m_dynamicEvents && SearchDynamicEventTable(event) )
1240 return true;
1241
1242 // Then static per-class event tables
1243 if ( GetEventHashTable().HandleEvent(event, this) )
1244 return true;
1245 }
1246
1247 // Try going down the event handler chain
1248 if ( GetNextHandler() )
1249 {
1250 if ( GetNextHandler()->ProcessEvent(event) )
1251 return true;
1252 }
1253
1254 // Finally propagate the event upwards the window chain and/or to the
1255 // application object as necessary
1256 return TryParent(event);
1257}
1258
1259
1260bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
1261{
1262 const wxEventType eventType = event.GetEventType();
1263 for ( int i = 0; table.entries[i].m_fn != 0; i++ )
1264 {
1265 const wxEventTableEntry& entry = table.entries[i];
1266 if ( eventType == entry.m_eventType )
1267 {
1268 if ( ProcessEventIfMatches(entry, this, event) )
1269 return true;
1270 }
1271 }
1272
1273 return false;
1274}
1275
1276void wxEvtHandler::Connect( int id, int lastId,
1277 int eventType,
1278 wxObjectEventFunction func,
1279 wxObject *userData,
1280 wxEvtHandler* eventSink )
1281{
1282#if WXWIN_COMPATIBILITY_EVENT_TYPES
1283 wxEventTableEntry *entry = new wxEventTableEntry;
1284 entry->m_eventType = eventType;
1285 entry->m_id = id;
1286 entry->m_lastId = lastId;
1287 entry->m_fn = func;
1288 entry->m_callbackUserData = userData;
1289#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1290 wxDynamicEventTableEntry *entry =
1291 new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
1292#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1293
1294 if (!m_dynamicEvents)
1295 m_dynamicEvents = new wxList;
1296
1297 // Insert at the front of the list so most recent additions are found first
1298 m_dynamicEvents->Insert( (wxObject*) entry );
1299}
1300
1301bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
1302 wxObjectEventFunction func,
1303 wxObject *userData,
1304 wxEvtHandler* eventSink )
1305{
1306 if (!m_dynamicEvents)
1307 return false;
1308
1309 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1310 while (node)
1311 {
1312#if WXWIN_COMPATIBILITY_EVENT_TYPES
1313 wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1314#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1315 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1316#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1317
1318 if ((entry->m_id == id) &&
1319 ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) &&
1320 ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
1321 ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
1322 ((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
1323 ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
1324 {
1325 if (entry->m_callbackUserData)
1326 delete entry->m_callbackUserData;
1327 m_dynamicEvents->Erase( node );
1328 delete entry;
1329 return true;
1330 }
1331 node = node->GetNext();
1332 }
1333 return false;
1334}
1335
1336bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
1337{
1338 wxCHECK_MSG( m_dynamicEvents, false,
1339 wxT("caller should check that we have dynamic events") );
1340
1341 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1342 while (node)
1343 {
1344#if WXWIN_COMPATIBILITY_EVENT_TYPES
1345 wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1346#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1347 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1348#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1349
1350 // get next node before (maybe) calling the event handler as it could
1351 // call Disconnect() invalidating the current node
1352 node = node->GetNext();
1353
1354 if ((event.GetEventType() == entry->m_eventType) && (entry->m_fn != 0))
1355 {
1356 wxEvtHandler *handler =
1357#if !WXWIN_COMPATIBILITY_EVENT_TYPES
1358 entry->m_eventSink ? entry->m_eventSink
1359 :
1360#endif
1361 this;
1362
1363 if ( ProcessEventIfMatches(*entry, handler, event) )
1364 {
1365 return true;
1366 }
1367 }
1368 }
1369
1370 return false;
1371}
1372
1373void wxEvtHandler::DoSetClientObject( wxClientData *data )
1374{
1375 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1376 wxT("can't have both object and void client data") );
1377
1378 if ( m_clientObject )
1379 delete m_clientObject;
1380
1381 m_clientObject = data;
1382 m_clientDataType = wxClientData_Object;
1383}
1384
1385wxClientData *wxEvtHandler::DoGetClientObject() const
1386{
1387 // it's not an error to call GetClientObject() on a window which doesn't
1388 // have client data at all - NULL will be returned
1389 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1390 wxT("this window doesn't have object client data") );
1391
1392 return m_clientObject;
1393}
1394
1395void wxEvtHandler::DoSetClientData( void *data )
1396{
1397 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1398 wxT("can't have both object and void client data") );
1399
1400 m_clientData = data;
1401 m_clientDataType = wxClientData_Void;
1402}
1403
1404void *wxEvtHandler::DoGetClientData() const
1405{
1406 // it's not an error to call GetClientData() on a window which doesn't have
1407 // client data at all - NULL will be returned
1408 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1409 wxT("this window doesn't have void client data") );
1410
1411 return m_clientData;
1412}
1413
1414#endif // wxUSE_BASE
1415
1416#if wxUSE_GUI
1417
1418// Find a window with the focus, that is also a descendant of the given window.
1419// This is used to determine the window to initially send commands to.
1420wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1421{
1422 // Process events starting with the window with the focus, if any.
1423 wxWindow* focusWin = wxWindow::FindFocus();
1424 wxWindow* win = focusWin;
1425
1426 // Check if this is a descendant of this frame.
1427 // If not, win will be set to NULL.
1428 while (win)
1429 {
1430 if (win == ancestor)
1431 break;
1432 else
1433 win = win->GetParent();
1434 }
1435 if (win == (wxWindow*) NULL)
1436 focusWin = (wxWindow*) NULL;
1437
1438 return focusWin;
1439}
1440
1441#endif // wxUSE_GUI
wxWidgets (Impactor)