]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/common/event.cpp
projects / wxWidgets.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
fixedb ug with normalization of UNC paths (patch 558701)
[wxWidgets.git] / src / common / event.cpp
... / ...
CommitLineData
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 and Markus Holzem
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "event.h"
22#endif
23
24// For compilers that support precompilation, includes "wx.h".
25#include "wx/wxprec.h"
26
27#ifdef __BORLANDC__
28 #pragma hdrstop
29#endif
30
31#ifndef WX_PRECOMP
32 #include "wx/defs.h"
33 #include "wx/app.h"
34 #include "wx/list.h"
35
36 #if wxUSE_GUI
37 #include "wx/control.h"
38 #include "wx/utils.h"
39 #include "wx/dc.h"
40 #endif // wxUSE_GUI
41#endif
42
43#include "wx/event.h"
44
45#if wxUSE_GUI
46 #include "wx/validate.h"
47#endif // wxUSE_GUI
48
49// ----------------------------------------------------------------------------
50// wxWin macros
51// ----------------------------------------------------------------------------
52
53IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
54IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
55
56#if wxUSE_GUI
57 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
58 IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
59 IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
60 IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
61 IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
62 IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
63 IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
64 IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
65 IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
66 IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
67 IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
68 IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
69 IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
70 IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
71 IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
72 IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
73 IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
74 IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
75 IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
76 IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
77 IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
78 IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
79 IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
80 IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
81 IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
82 IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
83 IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
84 IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
85 IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
86 IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
87 IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
88 IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
89 IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
90 IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
91 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
92#endif // wxUSE_GUI
93
94const wxEventTable *wxEvtHandler::GetEventTable() const
95 { return &wxEvtHandler::sm_eventTable; }
96
97const wxEventTable wxEvtHandler::sm_eventTable =
98 { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
99
100const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
101 { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
102
103// ----------------------------------------------------------------------------
104// global variables
105// ----------------------------------------------------------------------------
106
107// To put pending event handlers
108wxList *wxPendingEvents = (wxList *)NULL;
109
110#if wxUSE_THREADS
111 // protects wxPendingEvents list
112 wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
113#endif
114
115#if !WXWIN_COMPATIBILITY_EVENT_TYPES
116
117// common event types are defined here, other event types are defined by the
118// components which use them
119
120DEFINE_EVENT_TYPE(wxEVT_NULL)
121DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
122DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
123DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
124DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
125DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
126DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
127DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
128DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
129DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
130DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
131DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
132DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
133DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
134DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
135DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
136DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
137
138// Sockets and timers send events, too
139DEFINE_EVENT_TYPE(wxEVT_SOCKET)
140DEFINE_EVENT_TYPE(wxEVT_TIMER)
141
142// Mouse event types
143DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
144DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
145DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
146DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
147DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
148DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
149DEFINE_EVENT_TYPE(wxEVT_MOTION)
150DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
151DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
152DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
153DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
154DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
155DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
156DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
157DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
158DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
159
160// Non-client mouse events
161DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
162DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP)
163DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
164DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
165DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
166DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
167DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
168DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
169DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
170DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
171DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
172DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
173
174// Character input event type
175DEFINE_EVENT_TYPE(wxEVT_CHAR)
176DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
177DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
178DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
179DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
180
181// Set cursor event
182DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
183
184// wxScrollbar and wxSlider event identifiers
185DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
186DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
187DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
188DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
189DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
190DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
191DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
192DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
193
194// Scroll events from wxWindow
195DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
196DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
197DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
198DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
199DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
200DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
201DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
202DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
203
204// System events
205DEFINE_EVENT_TYPE(wxEVT_SIZE)
206DEFINE_EVENT_TYPE(wxEVT_MOVE)
207DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
208DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
209DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
210DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
211DEFINE_EVENT_TYPE(wxEVT_POWER)
212DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
213DEFINE_EVENT_TYPE(wxEVT_CREATE)
214DEFINE_EVENT_TYPE(wxEVT_DESTROY)
215DEFINE_EVENT_TYPE(wxEVT_SHOW)
216DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
217DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
218DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
219DEFINE_EVENT_TYPE(wxEVT_PAINT)
220DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
221DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
222DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
223DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
224DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
225DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
226DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
227DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
228DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
229DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
230DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
231DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
232DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
233DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
234DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
235DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
236DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
237DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
238DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
239DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
240DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
241DEFINE_EVENT_TYPE(wxEVT_IDLE)
242DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
243
244// Generic command events
245// Note: a click is a higher-level event than button down/up
246DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
247DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
248DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
249DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
250DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
251DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
252DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
253
254// Help events
255DEFINE_EVENT_TYPE(wxEVT_HELP)
256DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
257
258#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
259
260// ============================================================================
261// implementation
262// ============================================================================
263
264// ----------------------------------------------------------------------------
265// event initialization
266// ----------------------------------------------------------------------------
267
268int wxNewEventType()
269{
270 // MT-FIXME
271 static int s_lastUsedEventType = wxEVT_FIRST;
272
273#if WXWIN_COMPATIBILITY_2
274 // check that we don't overlap with the user-defined types: if it does
275 // happen, the best solution is probably to update the existing code to
276 // use wxNewEventType() instead of wxEVT_USER_FIRST
277 //
278 // due to the uncertainty
279 wxASSERT_MSG( s_lastUsedEventType < wxEVT_USER_FIRST - 1,
280 _T("possible event type conflict") );
281#endif // WXWIN_COMPATIBILITY_2
282
283 return s_lastUsedEventType++;
284}
285
286// ----------------------------------------------------------------------------
287// wxEvent
288// ----------------------------------------------------------------------------
289
290/*
291 * General wxWindows events, covering
292 * all interesting things that might happen (button clicking, resizing,
293 * setting text in widgets, etc.).
294 *
295 * For each completely new event type, derive a new event class.
296 *
297 */
298
299wxEvent::wxEvent(int theId, wxEventType commandType )
300{
301 m_eventType = commandType;
302 m_eventObject = (wxObject *) NULL;
303 m_timeStamp = 0;
304 m_id = theId;
305 m_skipped = FALSE;
306 m_callbackUserData = (wxObject *) NULL;
307 m_isCommandEvent = FALSE;
308}
309
310wxEvent::wxEvent(const wxEvent &src)
311 : wxObject()
312 , m_eventObject(src.m_eventObject)
313 , m_eventType(src.m_eventType)
314 , m_timeStamp(src.m_timeStamp)
315 , m_id(src.m_id)
316 , m_callbackUserData(src.m_callbackUserData)
317 , m_skipped(src.m_skipped)
318 , m_isCommandEvent(src.m_isCommandEvent)
319{
320}
321
322#if wxUSE_GUI
323
324/*
325 * Command events
326 *
327 */
328
329wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
330 : wxEvent(theId, commandType)
331{
332 m_clientData = (char *) NULL;
333 m_clientObject = (wxClientData *) NULL;
334 m_extraLong = 0;
335 m_commandInt = 0;
336 m_commandString = wxEmptyString;
337 m_isCommandEvent = TRUE;
338}
339
340/*
341 * Scroll events
342 */
343
344wxScrollEvent::wxScrollEvent(wxEventType commandType,
345 int id,
346 int pos,
347 int orient)
348 : wxCommandEvent(commandType, id)
349{
350 m_extraLong = orient;
351 m_commandInt = pos;
352}
353
354/*
355 * ScrollWin events
356 */
357
358wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
359 int pos,
360 int orient)
361{
362 m_eventType = commandType;
363 m_extraLong = orient;
364 m_commandInt = pos;
365}
366
367/*
368 * Mouse events
369 *
370 */
371
372wxMouseEvent::wxMouseEvent(wxEventType commandType)
373{
374 m_eventType = commandType;
375 m_metaDown = FALSE;
376 m_altDown = FALSE;
377 m_controlDown = FALSE;
378 m_shiftDown = FALSE;
379 m_leftDown = FALSE;
380 m_rightDown = FALSE;
381 m_middleDown = FALSE;
382 m_x = 0;
383 m_y = 0;
384 m_wheelRotation = 0;
385 m_wheelDelta = 0;
386 m_linesPerAction = 0;
387}
388
389void wxMouseEvent::Assign(const wxMouseEvent& event)
390{
391 m_x = event.m_x;
392 m_y = event.m_y;
393
394 m_leftDown = event.m_leftDown;
395 m_middleDown = event.m_middleDown;
396 m_rightDown = event.m_rightDown;
397
398 m_controlDown = event.m_controlDown;
399 m_shiftDown = event.m_shiftDown;
400 m_altDown = event.m_altDown;
401 m_metaDown = event.m_metaDown;
402
403 m_wheelRotation = event.m_wheelRotation;
404 m_wheelDelta = event.m_wheelDelta;
405 m_linesPerAction = event.m_linesPerAction;
406}
407
408// True if was a button dclick event (1 = left, 2 = middle, 3 = right)
409// or any button dclick event (but = -1)
410bool wxMouseEvent::ButtonDClick(int but) const
411{
412 switch (but)
413 {
414 case -1:
415 return (LeftDClick() || MiddleDClick() || RightDClick());
416 case 1:
417 return LeftDClick();
418 case 2:
419 return MiddleDClick();
420 case 3:
421 return RightDClick();
422 default:
423 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
424 }
425
426 return FALSE;
427}
428
429// True if was a button down event (1 = left, 2 = middle, 3 = right)
430// or any button down event (but = -1)
431bool wxMouseEvent::ButtonDown(int but) const
432{
433 switch (but)
434 {
435 case -1:
436 return (LeftDown() || MiddleDown() || RightDown());
437 case 1:
438 return LeftDown();
439 case 2:
440 return MiddleDown();
441 case 3:
442 return RightDown();
443 default:
444 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
445 }
446
447 return FALSE;
448}
449
450// True if was a button up event (1 = left, 2 = middle, 3 = right)
451// or any button up event (but = -1)
452bool wxMouseEvent::ButtonUp(int but) const
453{
454 switch (but)
455 {
456 case -1:
457 return (LeftUp() || MiddleUp() || RightUp());
458 case 1:
459 return LeftUp();
460 case 2:
461 return MiddleUp();
462 case 3:
463 return RightUp();
464 default:
465 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
466 }
467
468 return FALSE;
469}
470
471// True if the given button is currently changing state
472bool wxMouseEvent::Button(int but) const
473{
474 switch (but)
475 {
476 case -1:
477 return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1));
478 case 1:
479 return (LeftDown() || LeftUp() || LeftDClick());
480 case 2:
481 return (MiddleDown() || MiddleUp() || MiddleDClick());
482 case 3:
483 return (RightDown() || RightUp() || RightDClick());
484 default:
485 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
486 }
487
488 return FALSE;
489}
490
491bool wxMouseEvent::ButtonIsDown(int but) const
492{
493 switch (but)
494 {
495 case -1:
496 return (LeftIsDown() || MiddleIsDown() || RightIsDown());
497 case 1:
498 return LeftIsDown();
499 case 2:
500 return MiddleIsDown();
501 case 3:
502 return RightIsDown();
503 default:
504 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
505 }
506
507 return FALSE;
508}
509
510int wxMouseEvent::GetButton() const
511{
512 for ( int i = 1; i <= 3; i++ )
513 {
514 if ( Button(i) )
515 {
516 return i;
517 }
518 }
519
520 return -1;
521}
522
523// Find the logical position of the event given the DC
524wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
525{
526 wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
527 return pt;
528}
529
530
531/*
532 * Keyboard event
533 *
534 */
535
536wxKeyEvent::wxKeyEvent(wxEventType type)
537{
538 m_eventType = type;
539 m_shiftDown = FALSE;
540 m_controlDown = FALSE;
541 m_metaDown = FALSE;
542 m_altDown = FALSE;
543 m_keyCode = 0;
544 m_scanCode = 0;
545}
546
547
548wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
549{
550 SetEventType(wxEVT_CREATE);
551 SetEventObject(win);
552}
553
554wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
555{
556 SetEventType(wxEVT_DESTROY);
557 SetEventObject(win);
558}
559
560wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
561 : wxCommandEvent(wxEVT_CHILD_FOCUS)
562{
563 SetEventObject(win);
564}
565
566#endif // wxUSE_GUI
567
568// ----------------------------------------------------------------------------
569// wxEvtHandler
570// ----------------------------------------------------------------------------
571
572/*
573 * Event handler
574 */
575
576wxEvtHandler::wxEvtHandler()
577{
578 m_nextHandler = (wxEvtHandler *) NULL;
579 m_previousHandler = (wxEvtHandler *) NULL;
580 m_enabled = TRUE;
581 m_dynamicEvents = (wxList *) NULL;
582 m_isWindow = FALSE;
583 m_pendingEvents = (wxList *) NULL;
584#if wxUSE_THREADS
585# if !defined(__VISAGECPP__)
586 m_eventsLocker = new wxCriticalSection;
587# endif
588#endif
589 // no client data (yet)
590 m_clientData = NULL;
591 m_clientDataType = wxClientData_None;
592}
593
594wxEvtHandler::~wxEvtHandler()
595{
596 // Takes itself out of the list of handlers
597 if (m_previousHandler)
598 m_previousHandler->m_nextHandler = m_nextHandler;
599
600 if (m_nextHandler)
601 m_nextHandler->m_previousHandler = m_previousHandler;
602
603 if (m_dynamicEvents)
604 {
605 wxNode *node = m_dynamicEvents->First();
606 while (node)
607 {
608#if WXWIN_COMPATIBILITY_EVENT_TYPES
609 wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
610#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
611 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data();
612#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
613
614 if (entry->m_callbackUserData)
615 delete entry->m_callbackUserData;
616 delete entry;
617 node = node->Next();
618 }
619 delete m_dynamicEvents;
620 };
621
622 delete m_pendingEvents;
623
624#if wxUSE_THREADS
625# if !defined(__VISAGECPP__)
626 delete m_eventsLocker;
627# endif
628#endif
629
630 // we only delete object data, not untyped
631 if ( m_clientDataType == wxClientData_Object )
632 delete m_clientObject;
633}
634
635#if wxUSE_THREADS
636
637bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
638{
639 // check that we are really in a child thread
640 wxASSERT_MSG( !wxThread::IsMain(),
641 wxT("use ProcessEvent() in main thread") );
642
643 AddPendingEvent(event);
644
645 return TRUE;
646}
647
648#endif // wxUSE_THREADS
649
650void wxEvtHandler::AddPendingEvent(wxEvent& event)
651{
652 // 1) Add event to list of pending events of this event handler
653
654 wxEvent *eventCopy = event.Clone();
655
656 // we must be able to copy the events here so the event class must
657 // implement Clone() properly instead of just providing a NULL stab for it
658 wxCHECK_RET( eventCopy,
659 _T("events of this type aren't supposed to be posted") );
660
661#if defined(__VISAGECPP__)
662 wxENTER_CRIT_SECT( m_eventsLocker);
663#else
664 wxENTER_CRIT_SECT( *m_eventsLocker);
665#endif
666
667 if ( !m_pendingEvents )
668 m_pendingEvents = new wxList;
669
670 m_pendingEvents->Append(eventCopy);
671
672#if defined(__VISAGECPP__)
673 wxLEAVE_CRIT_SECT( m_eventsLocker);
674#else
675 wxLEAVE_CRIT_SECT( *m_eventsLocker);
676#endif
677
678 // 2) Add this event handler to list of event handlers that
679 // have pending events.
680
681 wxENTER_CRIT_SECT(*wxPendingEventsLocker);
682
683 if ( !wxPendingEvents )
684 wxPendingEvents = new wxList;
685 wxPendingEvents->Append(this);
686
687 wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
688
689 // 3) Inform the system that new pending events are somwehere,
690 // and that these should be processed in idle time.
691 wxWakeUpIdle();
692}
693
694void wxEvtHandler::ProcessPendingEvents()
695{
696#if defined(__VISAGECPP__)
697 wxENTER_CRIT_SECT( m_eventsLocker);
698#else
699 wxENTER_CRIT_SECT( *m_eventsLocker);
700#endif
701
702 wxNode *node = m_pendingEvents->First();
703 while ( node )
704 {
705 wxEvent *event = (wxEvent *)node->Data();
706 delete node;
707
708 // In ProcessEvent, new events might get added and
709 // we can safely leave the crtical section here.
710#if defined(__VISAGECPP__)
711 wxLEAVE_CRIT_SECT( m_eventsLocker);
712#else
713 wxLEAVE_CRIT_SECT( *m_eventsLocker);
714#endif
715 ProcessEvent(*event);
716 delete event;
717#if defined(__VISAGECPP__)
718 wxENTER_CRIT_SECT( m_eventsLocker);
719#else
720 wxENTER_CRIT_SECT( *m_eventsLocker);
721#endif
722
723 node = m_pendingEvents->First();
724 }
725
726#if defined(__VISAGECPP__)
727 wxLEAVE_CRIT_SECT( m_eventsLocker);
728#else
729 wxLEAVE_CRIT_SECT( *m_eventsLocker);
730#endif
731}
732
733/*
734 * Event table stuff
735 */
736
737bool wxEvtHandler::ProcessEvent(wxEvent& event)
738{
739#if wxUSE_GUI
740
741 // We have to use the actual window or processing events from
742 // wxWindowNative destructor won't work (we don't see the wxWindow class)
743#ifdef __WXDEBUG__
744 // check that our flag corresponds to reality
745 wxClassInfo* info = NULL;
746#ifdef __WXUNIVERSAL__
747# if defined(__WXMSW__)
748 info = CLASSINFO(wxWindowMSW);
749# elif defined(__WXGTK__)
750 info = CLASSINFO(wxWindowGTK);
751# elif defined(__WXX11__)
752 info = CLASSINFO(wxWindowX11);
753# elif defined(__WXMGL__)
754 info = CLASSINFO(wxWindowMGL);
755# elif defined(__WXPM__)
756 info = CLASSINFO(wxWindowOS2);
757# elif defined(__WXMAC__)
758 info = CLASSINFO(wxWindowMac);
759# elif defined(__WXMOTIF__)
760 info = CLASSINFO(wxWindowMotif);
761# endif
762#else
763 info = CLASSINFO(wxWindow);
764#endif
765
766 if ( m_isWindow != IsKindOf(info) )
767 {
768 wxString msg = GetClassInfo()->GetClassName();
769 msg += _T(" should [not] be a window but it is [not]");
770
771 wxFAIL_MSG( msg );
772 }
773
774#endif // __WXDEBUG__
775
776#endif // wxUSE_GUI
777
778 // allow the application to hook into event processing
779 if ( wxTheApp )
780 {
781 int rc = wxTheApp->FilterEvent(event);
782 if ( rc != -1 )
783 {
784 wxASSERT_MSG( rc == 1 || rc == 0,
785 _T("unexpected wxApp::FilterEvent return value") );
786
787 return rc != 0;
788 }
789 //else: proceed normally
790 }
791
792 // An event handler can be enabled or disabled
793 if ( GetEvtHandlerEnabled() )
794 {
795
796#if 0
797/*
798 What is this? When using GUI threads, a non main
799 threads can send an event and process it itself.
800 This breaks GTK's GUI threads, so please explain.
801*/
802
803 // Check whether we are in a child thread.
804 if ( !wxThread::IsMain() )
805 return ProcessThreadEvent(event);
806#endif
807
808 // Handle per-instance dynamic event tables first
809 if ( m_dynamicEvents && SearchDynamicEventTable(event) )
810 return TRUE;
811
812 // Then static per-class event tables
813 const wxEventTable *table = GetEventTable();
814
815#if wxUSE_GUI && wxUSE_VALIDATORS
816 // Try the associated validator first, if this is a window.
817 // Problem: if the event handler of the window has been replaced,
818 // this wxEvtHandler may no longer be a window.
819 // Therefore validators won't be processed if the handler
820 // has been replaced with SetEventHandler.
821 // THIS CAN BE CURED if PushEventHandler is used instead of
822 // SetEventHandler, and then processing will be passed down the
823 // chain of event handlers.
824 if (m_isWindow)
825 {
826 wxWindow *win = (wxWindow *)this;
827
828 // Can only use the validator of the window which
829 // is receiving the event
830 if ( win == event.GetEventObject() )
831 {
832 wxValidator *validator = win->GetValidator();
833 if ( validator && validator->ProcessEvent(event) )
834 {
835 return TRUE;
836 }
837 }
838 }
839#endif
840
841 // Search upwards through the inheritance hierarchy
842 while (table)
843 {
844 if ( SearchEventTable((wxEventTable&)*table, event) )
845 return TRUE;
846 table = table->baseTable;
847 }
848 }
849
850 // Try going down the event handler chain
851 if ( GetNextHandler() )
852 {
853 if ( GetNextHandler()->ProcessEvent(event) )
854 return TRUE;
855 }
856
857#if wxUSE_GUI
858 // Carry on up the parent-child hierarchy, but only if event is a command
859 // event: it wouldn't make sense for a parent to receive a child's size
860 // event, for example
861 if ( m_isWindow && event.IsCommandEvent() )
862 {
863 wxWindow *win = (wxWindow *)this;
864
865 // honour the requests to stop propagation at this window: this is
866 // used by the dialogs, for example, to prevent processing the events
867 // from the dialog controls in the parent frame which rarely, if ever,
868 // makes sense
869 if ( !(win->GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
870 {
871 wxWindow *parent = win->GetParent();
872 if ( parent && !parent->IsBeingDeleted() )
873 return parent->GetEventHandler()->ProcessEvent(event);
874 }
875 }
876#endif // wxUSE_GUI
877
878 // Last try - application object.
879 if ( wxTheApp && (this != wxTheApp) )
880 {
881 // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
882 // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
883 // processed appropriately via SearchEventTable.
884 if ( event.GetEventType() != wxEVT_IDLE )
885 {
886 if ( wxTheApp->ProcessEvent(event) )
887 return TRUE;
888 }
889 }
890
891 return FALSE;
892}
893
894bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
895{
896 wxEventType eventType = event.GetEventType();
897 int eventId = event.GetId();
898
899 // BC++ doesn't like testing for m_fn without != 0
900 for ( int i = 0; table.entries[i].m_fn != 0; i++ )
901 {
902 // the line using reference exposes a bug in gcc: although it _seems_
903 // to work, it leads to weird crashes later on during program
904 // execution
905#ifdef __GNUG__
906 wxEventTableEntry entry = table.entries[i];
907#else
908 const wxEventTableEntry& entry = table.entries[i];
909#endif
910
911 // match only if the event type is the same and the id is either -1 in
912 // the event table (meaning "any") or the event id matches the id
913 // specified in the event table either exactly or by falling into
914 // range between first and last
915 if ( eventType == entry.m_eventType )
916 {
917 int tableId1 = entry.m_id,
918 tableId2 = entry.m_lastId;
919
920 if ( (tableId1 == -1) ||
921 (tableId2 == -1 && eventId == tableId1) ||
922 (tableId2 != -1 &&
923 (eventId >= tableId1 && eventId <= tableId2)) )
924 {
925 event.Skip(FALSE);
926 event.m_callbackUserData = entry.m_callbackUserData;
927
928 (this->*((wxEventFunction) (entry.m_fn)))(event);
929
930 return !event.GetSkipped();
931 }
932 }
933 }
934
935 return FALSE;
936}
937
938void wxEvtHandler::Connect( int id, int lastId,
939 int eventType,
940 wxObjectEventFunction func,
941 wxObject *userData )
942{
943#if WXWIN_COMPATIBILITY_EVENT_TYPES
944 wxEventTableEntry *entry = new wxEventTableEntry;
945 entry->m_eventType = eventType;
946 entry->m_id = id;
947 entry->m_lastId = lastId;
948 entry->m_fn = func;
949 entry->m_callbackUserData = userData;
950#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
951 wxDynamicEventTableEntry *entry =
952 new wxDynamicEventTableEntry(eventType, id, lastId, func, userData);
953#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
954
955 if (!m_dynamicEvents)
956 m_dynamicEvents = new wxList;
957
958 m_dynamicEvents->Append( (wxObject*) entry );
959}
960
961bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
962 wxObjectEventFunction func,
963 wxObject *userData )
964{
965 if (!m_dynamicEvents)
966 return FALSE;
967
968 wxNode *node = m_dynamicEvents->First();
969 while (node)
970 {
971#if WXWIN_COMPATIBILITY_EVENT_TYPES
972 wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
973#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
974 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data();
975#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
976
977 if ((entry->m_id == id) &&
978 ((entry->m_lastId == lastId) || (lastId == -1)) &&
979 ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
980 ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
981 ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
982 {
983 if (entry->m_callbackUserData)
984 delete entry->m_callbackUserData;
985 m_dynamicEvents->DeleteNode( node );
986 delete entry;
987 return TRUE;
988 }
989 node = node->Next();
990 }
991 return FALSE;
992}
993
994bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
995{
996 wxCHECK_MSG( m_dynamicEvents, FALSE,
997 wxT("caller should check that we have dynamic events") );
998
999 int commandId = event.GetId();
1000
1001 wxNode *node = m_dynamicEvents->First();
1002 while (node)
1003 {
1004#if WXWIN_COMPATIBILITY_EVENT_TYPES
1005 wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
1006#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1007 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data();
1008#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1009
1010 if (entry->m_fn)
1011 {
1012 // Match, if event spec says any id will do (id == -1)
1013 if ( (event.GetEventType() == entry->m_eventType) &&
1014 (entry->m_id == -1 ||
1015 (entry->m_lastId == -1 && commandId == entry->m_id) ||
1016 (entry->m_lastId != -1 &&
1017 (commandId >= entry->m_id && commandId <= entry->m_lastId))) )
1018 {
1019 event.Skip(FALSE);
1020 event.m_callbackUserData = entry->m_callbackUserData;
1021
1022 (this->*((wxEventFunction) (entry->m_fn)))(event);
1023
1024 if (event.GetSkipped())
1025 return FALSE;
1026 else
1027 return TRUE;
1028 }
1029 }
1030 node = node->Next();
1031 }
1032 return FALSE;
1033};
1034
1035void wxEvtHandler::DoSetClientObject( wxClientData *data )
1036{
1037 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1038 wxT("can't have both object and void client data") );
1039
1040 if ( m_clientObject )
1041 delete m_clientObject;
1042
1043 m_clientObject = data;
1044 m_clientDataType = wxClientData_Object;
1045}
1046
1047wxClientData *wxEvtHandler::DoGetClientObject() const
1048{
1049 // it's not an error to call GetClientObject() on a window which doesn't
1050 // have client data at all - NULL will be returned
1051 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1052 wxT("this window doesn't have object client data") );
1053
1054 return m_clientObject;
1055}
1056
1057void wxEvtHandler::DoSetClientData( void *data )
1058{
1059 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1060 wxT("can't have both object and void client data") );
1061
1062 m_clientData = data;
1063 m_clientDataType = wxClientData_Void;
1064}
1065
1066void *wxEvtHandler::DoGetClientData() const
1067{
1068 // it's not an error to call GetClientData() on a window which doesn't have
1069 // client data at all - NULL will be returned
1070 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1071 wxT("this window doesn't have void client data") );
1072
1073 return m_clientData;
1074}
1075
1076
1077#if WXWIN_COMPATIBILITY
1078bool wxEvtHandler::OnClose()
1079{
1080 if (GetNextHandler())
1081 return GetNextHandler()->OnClose();
1082 else
1083 return FALSE;
1084}
1085#endif // WXWIN_COMPATIBILITY
1086
1087#if wxUSE_GUI
1088
1089// Find a window with the focus, that is also a descendant of the given window.
1090// This is used to determine the window to initially send commands to.
1091wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1092{
1093 // Process events starting with the window with the focus, if any.
1094 wxWindow* focusWin = wxWindow::FindFocus();
1095 wxWindow* win = focusWin;
1096
1097 // Check if this is a descendant of this frame.
1098 // If not, win will be set to NULL.
1099 while (win)
1100 {
1101 if (win == ancestor)
1102 break;
1103 else
1104 win = win->GetParent();
1105 }
1106 if (win == (wxWindow*) NULL)
1107 focusWin = (wxWindow*) NULL;
1108
1109 return focusWin;
1110}
1111
1112#endif // wxUSE_GUI
wxWidgets (Impactor)