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