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