]> git.saurik.com Git - wxWidgets.git/blame - src/common/event.cpp
Fix uninitialized variable warning in wxMSW wxFileSystemWatcher code.
[wxWidgets.git] / src / common / event.cpp
CommitLineData
c801d85f 1/////////////////////////////////////////////////////////////////////////////
c54de5ae 2// Name: src/common/event.cpp
c801d85f
KB
3// Purpose: Event classes
4// Author: Julian Smart
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
55d99c7a 8// Copyright: (c) Julian Smart
65571936 9// Licence: wxWindows licence
c801d85f
KB
10/////////////////////////////////////////////////////////////////////////////
11
8e193f38
VZ
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
c801d85f
KB
20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
0b746ba8 24 #pragma hdrstop
c801d85f
KB
25#endif
26
d5da0ce7 27#include "wx/event.h"
58cc1587 28#include "wx/eventfilter.h"
937013e0 29#include "wx/evtloop.h"
d5da0ce7 30
c801d85f 31#ifndef WX_PRECOMP
e90c1d2a 32 #include "wx/list.h"
8bd9fa33 33 #include "wx/log.h"
8ecff181 34 #include "wx/app.h"
de6185e2 35 #include "wx/utils.h"
bb90a3e6 36 #include "wx/stopwatch.h"
02761f6c 37 #include "wx/module.h"
e90c1d2a
VZ
38
39 #if wxUSE_GUI
a8ff046b 40 #include "wx/window.h"
e90c1d2a 41 #include "wx/control.h"
e90c1d2a 42 #include "wx/dc.h"
dca94103 43 #include "wx/spinbutt.h"
75a29298 44 #include "wx/textctrl.h"
264cb7f5 45 #include "wx/validate.h"
e90c1d2a 46 #endif // wxUSE_GUI
c801d85f
KB
47#endif
48
204abcd4 49#include "wx/thread.h"
47b6fabc 50
d102b02a 51#if wxUSE_BASE
664e1314 52 #include "wx/scopedptr.h"
d102b02a
VZ
53
54 wxDECLARE_SCOPED_PTR(wxEvent, wxEventPtr)
55 wxDEFINE_SCOPED_PTR(wxEvent, wxEventPtr)
56#endif // wxUSE_BASE
204abcd4 57
8e193f38
VZ
58// ----------------------------------------------------------------------------
59// wxWin macros
60// ----------------------------------------------------------------------------
61
3ed2104c
VZ
62#if wxUSE_BASE
63 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
64 IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
b46b1d59 65 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
c1b293bb 66 IMPLEMENT_DYNAMIC_CLASS(wxThreadEvent, wxEvent)
3ed2104c 67#endif // wxUSE_BASE
e90c1d2a 68
23f681ec
VZ
69#if wxUSE_GUI
70 IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
71 IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
72 IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
73 IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
74 IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
75 IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
76 IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
77 IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
1e6feb95 78 IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
23f681ec
VZ
79 IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
80 IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
81 IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
456bc6d9 82 IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
23f681ec
VZ
83 IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
84 IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
85 IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
86 IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
87 IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
88 IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
89 IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
90 IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
91 IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
8e72b8b5 92 IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
23f681ec 93 IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
574c939e 94 IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
23f681ec 95 IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
75299490 96 IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxEvent)
23f681ec
VZ
97 IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
98 IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
99 IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
100 IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
b96340e6 101 IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
69231000 102 IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
a5e84126 103 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
63e819f2 104 IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureLostEvent, wxEvent)
78c91815 105 IMPLEMENT_DYNAMIC_CLASS(wxClipboardTextEvent, wxCommandEvent)
23f681ec 106#endif // wxUSE_GUI
0b746ba8 107
3ed2104c
VZ
108#if wxUSE_BASE
109
23f681ec
VZ
110const wxEventTable *wxEvtHandler::GetEventTable() const
111 { return &wxEvtHandler::sm_eventTable; }
0b746ba8 112
23f681ec
VZ
113const wxEventTable wxEvtHandler::sm_eventTable =
114 { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
0b746ba8 115
b5a98acd
VZ
116wxEventHashTable &wxEvtHandler::GetEventHashTable() const
117 { return wxEvtHandler::sm_eventHashTable; }
118
119wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
120
23f681ec 121const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
a0e9a5df 122 { wxDECLARE_EVENT_TABLE_TERMINATOR() };
c801d85f 123
1a18887b 124
a0826b11
VZ
125// wxUSE_MEMORY_TRACING considers memory freed from the static objects dtors
126// leaked, so we need to manually clean up all event tables before checking for
127// the memory leaks when using it, however this breaks re-initializing the
128// library (i.e. repeated calls to wxInitialize/wxUninitialize) because the
129// event tables won't be rebuilt the next time, so disable this by default
657a8a35 130#if wxUSE_MEMORY_TRACING
a0826b11 131
afa039f9
JS
132class wxEventTableEntryModule: public wxModule
133{
afa039f9 134public:
a0826b11
VZ
135 wxEventTableEntryModule() { }
136 virtual bool OnInit() { return true; }
137 virtual void OnExit() { wxEventHashTable::ClearAll(); }
138
139 DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
afa039f9 140};
a0826b11 141
afa039f9 142IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
a0826b11 143
657a8a35 144#endif // wxUSE_MEMORY_TRACING
1a18887b 145
8e193f38
VZ
146// ----------------------------------------------------------------------------
147// global variables
148// ----------------------------------------------------------------------------
149
2e4df4bf
VZ
150// common event types are defined here, other event types are defined by the
151// components which use them
b5a98acd 152
c15d9c85
VS
153const wxEventType wxEVT_FIRST = 10000;
154const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
a0e9a5df 155const wxEventType wxEVT_NULL = wxNewEventType();
2e4df4bf 156
9b11752c 157wxDEFINE_EVENT( wxEVT_IDLE, wxIdleEvent );
886dd7d2 158
c1b293bb
VS
159// Thread event
160wxDEFINE_EVENT( wxEVT_THREAD, wxThreadEvent );
161
886dd7d2
VZ
162#endif // wxUSE_BASE
163
164#if wxUSE_GUI
165
9b11752c
VZ
166wxDEFINE_EVENT( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEvent );
167wxDEFINE_EVENT( wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEvent );
168wxDEFINE_EVENT( wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEvent );
169wxDEFINE_EVENT( wxEVT_COMMAND_LISTBOX_SELECTED, wxCommandEvent );
170wxDEFINE_EVENT( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, wxCommandEvent );
171wxDEFINE_EVENT( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, wxCommandEvent );
172wxDEFINE_EVENT( wxEVT_COMMAND_MENU_SELECTED, wxCommandEvent );
173wxDEFINE_EVENT( wxEVT_COMMAND_SLIDER_UPDATED, wxCommandEvent );
174wxDEFINE_EVENT( wxEVT_COMMAND_RADIOBOX_SELECTED, wxCommandEvent );
175wxDEFINE_EVENT( wxEVT_COMMAND_RADIOBUTTON_SELECTED, wxCommandEvent );
176wxDEFINE_EVENT( wxEVT_COMMAND_SCROLLBAR_UPDATED, wxCommandEvent );
177wxDEFINE_EVENT( wxEVT_COMMAND_VLBOX_SELECTED, wxCommandEvent );
178wxDEFINE_EVENT( wxEVT_COMMAND_COMBOBOX_SELECTED, wxCommandEvent );
179wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_RCLICKED, wxCommandEvent );
180wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_ENTER, wxCommandEvent );
181wxDEFINE_EVENT( wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEvent );
182wxDEFINE_EVENT( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, wxCommandEvent );
183wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED, wxCommandEvent );
8933fbc6
VZ
184wxDEFINE_EVENT( wxEVT_COMMAND_COMBOBOX_DROPDOWN, wxCommandEvent);
185wxDEFINE_EVENT( wxEVT_COMMAND_COMBOBOX_CLOSEUP, wxCommandEvent);
0b5eceb6 186
0b5eceb6 187// Mouse event types
9b11752c
VZ
188wxDEFINE_EVENT( wxEVT_LEFT_DOWN, wxMouseEvent );
189wxDEFINE_EVENT( wxEVT_LEFT_UP, wxMouseEvent );
190wxDEFINE_EVENT( wxEVT_MIDDLE_DOWN, wxMouseEvent );
191wxDEFINE_EVENT( wxEVT_MIDDLE_UP, wxMouseEvent );
192wxDEFINE_EVENT( wxEVT_RIGHT_DOWN, wxMouseEvent );
193wxDEFINE_EVENT( wxEVT_RIGHT_UP, wxMouseEvent );
194wxDEFINE_EVENT( wxEVT_MOTION, wxMouseEvent );
195wxDEFINE_EVENT( wxEVT_ENTER_WINDOW, wxMouseEvent );
196wxDEFINE_EVENT( wxEVT_LEAVE_WINDOW, wxMouseEvent );
197wxDEFINE_EVENT( wxEVT_LEFT_DCLICK, wxMouseEvent );
198wxDEFINE_EVENT( wxEVT_MIDDLE_DCLICK, wxMouseEvent );
199wxDEFINE_EVENT( wxEVT_RIGHT_DCLICK, wxMouseEvent );
200wxDEFINE_EVENT( wxEVT_SET_FOCUS, wxFocusEvent );
201wxDEFINE_EVENT( wxEVT_KILL_FOCUS, wxFocusEvent );
202wxDEFINE_EVENT( wxEVT_CHILD_FOCUS, wxChildFocusEvent );
203wxDEFINE_EVENT( wxEVT_MOUSEWHEEL, wxMouseEvent );
204wxDEFINE_EVENT( wxEVT_AUX1_DOWN, wxMouseEvent );
205wxDEFINE_EVENT( wxEVT_AUX1_UP, wxMouseEvent );
206wxDEFINE_EVENT( wxEVT_AUX1_DCLICK, wxMouseEvent );
207wxDEFINE_EVENT( wxEVT_AUX2_DOWN, wxMouseEvent );
208wxDEFINE_EVENT( wxEVT_AUX2_UP, wxMouseEvent );
209wxDEFINE_EVENT( wxEVT_AUX2_DCLICK, wxMouseEvent );
0b5eceb6
VZ
210
211// Character input event type
9b11752c 212wxDEFINE_EVENT( wxEVT_CHAR, wxKeyEvent );
1afe4f9b 213wxDEFINE_EVENT( wxEVT_AFTER_CHAR, wxKeyEvent );
9b11752c
VZ
214wxDEFINE_EVENT( wxEVT_CHAR_HOOK, wxKeyEvent );
215wxDEFINE_EVENT( wxEVT_NAVIGATION_KEY, wxNavigationKeyEvent );
216wxDEFINE_EVENT( wxEVT_KEY_DOWN, wxKeyEvent );
217wxDEFINE_EVENT( wxEVT_KEY_UP, wxKeyEvent );
5048c832 218#if wxUSE_HOTKEY
9b11752c 219wxDEFINE_EVENT( wxEVT_HOTKEY, wxKeyEvent );
5048c832 220#endif
0b5eceb6
VZ
221
222// Set cursor event
9b11752c 223wxDEFINE_EVENT( wxEVT_SET_CURSOR, wxSetCursorEvent );
0b5eceb6
VZ
224
225// wxScrollbar and wxSlider event identifiers
9b11752c
VZ
226wxDEFINE_EVENT( wxEVT_SCROLL_TOP, wxScrollEvent );
227wxDEFINE_EVENT( wxEVT_SCROLL_BOTTOM, wxScrollEvent );
228wxDEFINE_EVENT( wxEVT_SCROLL_LINEUP, wxScrollEvent );
229wxDEFINE_EVENT( wxEVT_SCROLL_LINEDOWN, wxScrollEvent );
230wxDEFINE_EVENT( wxEVT_SCROLL_PAGEUP, wxScrollEvent );
231wxDEFINE_EVENT( wxEVT_SCROLL_PAGEDOWN, wxScrollEvent );
232wxDEFINE_EVENT( wxEVT_SCROLL_THUMBTRACK, wxScrollEvent );
233wxDEFINE_EVENT( wxEVT_SCROLL_THUMBRELEASE, wxScrollEvent );
234wxDEFINE_EVENT( wxEVT_SCROLL_CHANGED, wxScrollEvent );
0b5eceb6 235
dca94103
VZ
236// Due to a bug in older wx versions, wxSpinEvents were being sent with type of
237// wxEVT_SCROLL_LINEUP, wxEVT_SCROLL_LINEDOWN and wxEVT_SCROLL_THUMBTRACK. But
238// with the type-safe events in place, these event types are associated with
239// wxScrollEvent. To allow handling of spin events, new event types have been
240// defined in spinbutt.h/spinnbuttcmn.cpp. To maintain backward compatibility
241// the spin event types are being initialized with the scroll event types.
242
243#if wxUSE_SPINBTN
244
9b11752c
VZ
245wxDEFINE_EVENT_ALIAS( wxEVT_SPIN_UP, wxSpinEvent, wxEVT_SCROLL_LINEUP );
246wxDEFINE_EVENT_ALIAS( wxEVT_SPIN_DOWN, wxSpinEvent, wxEVT_SCROLL_LINEDOWN );
247wxDEFINE_EVENT_ALIAS( wxEVT_SPIN, wxSpinEvent, wxEVT_SCROLL_THUMBTRACK );
dca94103
VZ
248
249#endif // wxUSE_SPINBTN
250
0b5eceb6 251// Scroll events from wxWindow
9b11752c
VZ
252wxDEFINE_EVENT( wxEVT_SCROLLWIN_TOP, wxScrollWinEvent );
253wxDEFINE_EVENT( wxEVT_SCROLLWIN_BOTTOM, wxScrollWinEvent );
254wxDEFINE_EVENT( wxEVT_SCROLLWIN_LINEUP, wxScrollWinEvent );
255wxDEFINE_EVENT( wxEVT_SCROLLWIN_LINEDOWN, wxScrollWinEvent );
256wxDEFINE_EVENT( wxEVT_SCROLLWIN_PAGEUP, wxScrollWinEvent );
257wxDEFINE_EVENT( wxEVT_SCROLLWIN_PAGEDOWN, wxScrollWinEvent );
258wxDEFINE_EVENT( wxEVT_SCROLLWIN_THUMBTRACK, wxScrollWinEvent );
259wxDEFINE_EVENT( wxEVT_SCROLLWIN_THUMBRELEASE, wxScrollWinEvent );
0b5eceb6
VZ
260
261// System events
9b11752c
VZ
262wxDEFINE_EVENT( wxEVT_SIZE, wxSizeEvent );
263wxDEFINE_EVENT( wxEVT_SIZING, wxSizeEvent );
264wxDEFINE_EVENT( wxEVT_MOVE, wxMoveEvent );
265wxDEFINE_EVENT( wxEVT_MOVING, wxMoveEvent );
266wxDEFINE_EVENT( wxEVT_MOVE_START, wxMoveEvent );
267wxDEFINE_EVENT( wxEVT_MOVE_END, wxMoveEvent );
268wxDEFINE_EVENT( wxEVT_CLOSE_WINDOW, wxCloseEvent );
269wxDEFINE_EVENT( wxEVT_END_SESSION, wxCloseEvent );
270wxDEFINE_EVENT( wxEVT_QUERY_END_SESSION, wxCloseEvent );
271wxDEFINE_EVENT( wxEVT_HIBERNATE, wxActivateEvent );
272wxDEFINE_EVENT( wxEVT_ACTIVATE_APP, wxActivateEvent );
273wxDEFINE_EVENT( wxEVT_ACTIVATE, wxActivateEvent );
274wxDEFINE_EVENT( wxEVT_CREATE, wxWindowCreateEvent );
275wxDEFINE_EVENT( wxEVT_DESTROY, wxWindowDestroyEvent );
276wxDEFINE_EVENT( wxEVT_SHOW, wxShowEvent );
277wxDEFINE_EVENT( wxEVT_ICONIZE, wxIconizeEvent );
278wxDEFINE_EVENT( wxEVT_MAXIMIZE, wxMaximizeEvent );
279wxDEFINE_EVENT( wxEVT_MOUSE_CAPTURE_CHANGED, wxMouseCaptureChangedEvent );
280wxDEFINE_EVENT( wxEVT_MOUSE_CAPTURE_LOST, wxMouseCaptureLostEvent );
281wxDEFINE_EVENT( wxEVT_PAINT, wxPaintEvent );
282wxDEFINE_EVENT( wxEVT_ERASE_BACKGROUND, wxEraseEvent );
283wxDEFINE_EVENT( wxEVT_NC_PAINT, wxNcPaintEvent );
284wxDEFINE_EVENT( wxEVT_MENU_OPEN, wxMenuEvent );
285wxDEFINE_EVENT( wxEVT_MENU_CLOSE, wxMenuEvent );
286wxDEFINE_EVENT( wxEVT_MENU_HIGHLIGHT, wxMenuEvent );
287wxDEFINE_EVENT( wxEVT_CONTEXT_MENU, wxContextMenuEvent );
288wxDEFINE_EVENT( wxEVT_SYS_COLOUR_CHANGED, wxSysColourChangedEvent );
289wxDEFINE_EVENT( wxEVT_DISPLAY_CHANGED, wxDisplayChangedEvent );
290wxDEFINE_EVENT( wxEVT_QUERY_NEW_PALETTE, wxQueryNewPaletteEvent );
291wxDEFINE_EVENT( wxEVT_PALETTE_CHANGED, wxPaletteChangedEvent );
292wxDEFINE_EVENT( wxEVT_JOY_BUTTON_DOWN, wxJoystickEvent );
293wxDEFINE_EVENT( wxEVT_JOY_BUTTON_UP, wxJoystickEvent );
294wxDEFINE_EVENT( wxEVT_JOY_MOVE, wxJoystickEvent );
295wxDEFINE_EVENT( wxEVT_JOY_ZMOVE, wxJoystickEvent );
296wxDEFINE_EVENT( wxEVT_DROP_FILES, wxDropFilesEvent );
297wxDEFINE_EVENT( wxEVT_INIT_DIALOG, wxInitDialogEvent );
298wxDEFINE_EVENT( wxEVT_UPDATE_UI, wxUpdateUIEvent );
0b5eceb6 299
78c91815 300// Clipboard events
9b11752c
VZ
301wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_COPY, wxClipboardTextEvent );
302wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_CUT, wxClipboardTextEvent );
303wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_PASTE, wxClipboardTextEvent );
78c91815 304
0b5eceb6
VZ
305// Generic command events
306// Note: a click is a higher-level event than button down/up
9b11752c
VZ
307wxDEFINE_EVENT( wxEVT_COMMAND_LEFT_CLICK, wxCommandEvent );
308wxDEFINE_EVENT( wxEVT_COMMAND_LEFT_DCLICK, wxCommandEvent );
309wxDEFINE_EVENT( wxEVT_COMMAND_RIGHT_CLICK, wxCommandEvent );
310wxDEFINE_EVENT( wxEVT_COMMAND_RIGHT_DCLICK, wxCommandEvent );
311wxDEFINE_EVENT( wxEVT_COMMAND_SET_FOCUS, wxCommandEvent );
312wxDEFINE_EVENT( wxEVT_COMMAND_KILL_FOCUS, wxCommandEvent );
313wxDEFINE_EVENT( wxEVT_COMMAND_ENTER, wxCommandEvent );
0b5eceb6
VZ
314
315// Help events
9b11752c
VZ
316wxDEFINE_EVENT( wxEVT_HELP, wxHelpEvent );
317wxDEFINE_EVENT( wxEVT_DETAILED_HELP, wxHelpEvent );
6164f93c 318
886dd7d2
VZ
319#endif // wxUSE_GUI
320
321#if wxUSE_BASE
322
b46b1d59
VZ
323wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
324
6164f93c
VZ
325// ============================================================================
326// implementation
327// ============================================================================
0b5eceb6 328
0b5eceb6
VZ
329// ----------------------------------------------------------------------------
330// event initialization
331// ----------------------------------------------------------------------------
332
333int wxNewEventType()
334{
335 // MT-FIXME
336 static int s_lastUsedEventType = wxEVT_FIRST;
337
338 return s_lastUsedEventType++;
339}
3c778901
VZ
340// ----------------------------------------------------------------------------
341// wxEventFunctor
342// ----------------------------------------------------------------------------
343
344wxEventFunctor::~wxEventFunctor()
345{
346}
0b5eceb6 347
8e193f38
VZ
348// ----------------------------------------------------------------------------
349// wxEvent
350// ----------------------------------------------------------------------------
351
c801d85f 352/*
d48b06bd
FM
353 * General wxWidgets events, covering all interesting things that might happen
354 * (button clicking, resizing, setting text in widgets, etc.).
c801d85f
KB
355 *
356 * For each completely new event type, derive a new event class.
357 *
358 */
359
d48b06bd 360wxEvent::wxEvent(int theId, wxEventType commandType)
c801d85f 361{
8e72b8b5 362 m_eventType = commandType;
3c778901 363 m_eventObject = NULL;
0b746ba8
VZ
364 m_timeStamp = 0;
365 m_id = theId;
1c624631 366 m_skipped = false;
3c778901 367 m_callbackUserData = NULL;
bbdee10d 368 m_handlerToProcessOnlyIn = NULL;
1c624631 369 m_isCommandEvent = false;
1648d51b 370 m_propagationLevel = wxEVENT_PROPAGATE_NONE;
29de6f40 371 m_wasProcessed = false;
c801d85f
KB
372}
373
0e097789 374wxEvent::wxEvent(const wxEvent& src)
a34ef99b 375 : wxObject(src)
e6a6feba
GD
376 , m_eventObject(src.m_eventObject)
377 , m_eventType(src.m_eventType)
378 , m_timeStamp(src.m_timeStamp)
379 , m_id(src.m_id)
380 , m_callbackUserData(src.m_callbackUserData)
bbdee10d 381 , m_handlerToProcessOnlyIn(NULL)
6fd5903a 382 , m_propagationLevel(src.m_propagationLevel)
e6a6feba
GD
383 , m_skipped(src.m_skipped)
384 , m_isCommandEvent(src.m_isCommandEvent)
29de6f40 385 , m_wasProcessed(false)
a737331d 386{
a737331d
GL
387}
388
0e097789
VZ
389wxEvent& wxEvent::operator=(const wxEvent& src)
390{
391 wxObject::operator=(src);
392
393 m_eventObject = src.m_eventObject;
394 m_eventType = src.m_eventType;
395 m_timeStamp = src.m_timeStamp;
396 m_id = src.m_id;
397 m_callbackUserData = src.m_callbackUserData;
bbdee10d 398 m_handlerToProcessOnlyIn = NULL;
0e097789
VZ
399 m_propagationLevel = src.m_propagationLevel;
400 m_skipped = src.m_skipped;
401 m_isCommandEvent = src.m_isCommandEvent;
402
bbdee10d 403 // don't change m_wasProcessed
29de6f40 404
0e097789
VZ
405 return *this;
406}
407
3ed2104c
VZ
408#endif // wxUSE_BASE
409
e90c1d2a
VZ
410#if wxUSE_GUI
411
8e40ed85
FM
412// ----------------------------------------------------------------------------
413// wxCommandEvent
414// ----------------------------------------------------------------------------
c801d85f 415
7798a18e 416wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
b5a98acd 417 : wxEvent(theId, commandType)
c801d85f 418{
3c778901
VZ
419 m_clientData = NULL;
420 m_clientObject = NULL;
1c624631 421 m_isCommandEvent = true;
1648d51b
VZ
422
423 // the command events are propagated upwards by default
424 m_propagationLevel = wxEVENT_PROPAGATE_MAX;
c801d85f
KB
425}
426
ab1931f9
KH
427wxString wxCommandEvent::GetString() const
428{
cc6ceca7
VZ
429 if (m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
430 {
ab1931f9 431 return m_cmdString;
cc6ceca7 432 }
ab1931f9
KH
433 else
434 {
89438177 435#if wxUSE_TEXTCTRL
ab1931f9 436 wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl);
cc6ceca7 437 if ( txt )
ab1931f9
KH
438 return txt->GetValue();
439 else
89438177 440#endif // wxUSE_TEXTCTRL
ab1931f9
KH
441 return m_cmdString;
442 }
443}
444
8e40ed85
FM
445// ----------------------------------------------------------------------------
446// wxUpdateUIEvent
447// ----------------------------------------------------------------------------
0b30bb0b
JS
448
449#if wxUSE_LONGLONG
e39af974 450wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
0b30bb0b
JS
451#endif
452
e39af974
JS
453long wxUpdateUIEvent::sm_updateInterval = 0;
454
455wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
0b30bb0b
JS
456
457// Can we update?
a7bc03c9 458bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win)
0b30bb0b 459{
e39af974
JS
460 // Don't update if we've switched global updating off
461 // and this window doesn't support updates.
462 if (win &&
463 (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
464 ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
1c624631 465 return false;
6d075845
VZ
466
467 // Don't update children of the hidden windows: this is useless as any
468 // change to their state won't be seen by the user anyhow. Notice that this
469 // argument doesn't apply to the hidden windows (with visible parent)
470 // themselves as they could be shown by their EVT_UPDATE_UI handler.
471 if ( win->GetParent() && !win->GetParent()->IsShownOnScreen() )
472 return false;
b5a98acd 473
e39af974 474 if (sm_updateInterval == -1)
1c624631 475 return false;
534b127c
WS
476
477 if (sm_updateInterval == 0)
1c624631 478 return true;
534b127c 479
0b30bb0b 480#if wxUSE_STOPWATCH && wxUSE_LONGLONG
534b127c
WS
481 wxLongLong now = wxGetLocalTimeMillis();
482 if (now > (sm_lastUpdate + sm_updateInterval))
483 {
1c624631 484 return true;
0b30bb0b 485 }
534b127c 486
1c624631 487 return false;
534b127c
WS
488#else
489 // If we don't have wxStopWatch or wxLongLong, we
490 // should err on the safe side and update now anyway.
491 return true;
492#endif
0b30bb0b
JS
493}
494
495// Reset the update time to provide a delay until the next
496// time we should update
497void wxUpdateUIEvent::ResetUpdateTime()
498{
499#if wxUSE_STOPWATCH && wxUSE_LONGLONG
e39af974 500 if (sm_updateInterval > 0)
0b30bb0b
JS
501 {
502 wxLongLong now = wxGetLocalTimeMillis();
e39af974 503 if (now > (sm_lastUpdate + sm_updateInterval))
0b30bb0b 504 {
e39af974 505 sm_lastUpdate = now;
0b30bb0b
JS
506 }
507 }
508#endif
509}
510
8e40ed85
FM
511// ----------------------------------------------------------------------------
512// wxScrollEvent
513// ----------------------------------------------------------------------------
c801d85f 514
0b746ba8
VZ
515wxScrollEvent::wxScrollEvent(wxEventType commandType,
516 int id,
517 int pos,
518 int orient)
e6a6feba 519 : wxCommandEvent(commandType, id)
c801d85f 520{
0b746ba8
VZ
521 m_extraLong = orient;
522 m_commandInt = pos;
c801d85f
KB
523}
524
8e40ed85
FM
525// ----------------------------------------------------------------------------
526// wxScrollWinEvent
527// ----------------------------------------------------------------------------
d1367c3d
RR
528
529wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
530 int pos,
531 int orient)
d1367c3d 532{
c5b42c87 533 m_eventType = commandType;
d1367c3d
RR
534 m_extraLong = orient;
535 m_commandInt = pos;
536}
537
8e40ed85
FM
538// ----------------------------------------------------------------------------
539// wxMouseEvent
540// ----------------------------------------------------------------------------
c801d85f 541
7798a18e 542wxMouseEvent::wxMouseEvent(wxEventType commandType)
c801d85f 543{
0b746ba8 544 m_eventType = commandType;
8866abbb
VZ
545
546 m_x = 0;
547 m_y = 0;
548
1c624631 549 m_leftDown = false;
1c624631 550 m_middleDown = false;
8866abbb 551 m_rightDown = false;
01101e2d
VZ
552 m_aux1Down = false;
553 m_aux2Down = false;
8866abbb 554
8866abbb
VZ
555 m_clickCount = -1;
556
41469c9e 557 m_wheelAxis = wxMOUSE_WHEEL_VERTICAL;
d2c52078
RD
558 m_wheelRotation = 0;
559 m_wheelDelta = 0;
560 m_linesPerAction = 0;
c801d85f
KB
561}
562
abcbaea7
VZ
563void wxMouseEvent::Assign(const wxMouseEvent& event)
564{
0e097789 565 wxEvent::operator=(event);
3232da9d
VZ
566
567 // Borland C++ 5.82 doesn't compile an explicit call to an implicitly
568 // defined operator=() so need to do it this way:
569 *static_cast<wxMouseState *>(this) = event;
92309201 570
abcbaea7
VZ
571 m_x = event.m_x;
572 m_y = event.m_y;
573
574 m_leftDown = event.m_leftDown;
575 m_middleDown = event.m_middleDown;
576 m_rightDown = event.m_rightDown;
01101e2d
VZ
577 m_aux1Down = event.m_aux1Down;
578 m_aux2Down = event.m_aux2Down;
abcbaea7 579
abcbaea7
VZ
580 m_wheelRotation = event.m_wheelRotation;
581 m_wheelDelta = event.m_wheelDelta;
582 m_linesPerAction = event.m_linesPerAction;
aea37008 583 m_wheelAxis = event.m_wheelAxis;
abcbaea7
VZ
584}
585
3e89999c 586// return true if was a button dclick event
c801d85f
KB
587bool wxMouseEvent::ButtonDClick(int but) const
588{
0b746ba8
VZ
589 switch (but)
590 {
3e89999c
VZ
591 default:
592 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
593 // fall through
594
595 case wxMOUSE_BTN_ANY:
01101e2d
VZ
596 return (LeftDClick() || MiddleDClick() || RightDClick() ||
597 Aux1DClick() || Aux2DClick());
3e89999c
VZ
598
599 case wxMOUSE_BTN_LEFT:
0b746ba8 600 return LeftDClick();
3e89999c
VZ
601
602 case wxMOUSE_BTN_MIDDLE:
0b746ba8 603 return MiddleDClick();
3e89999c
VZ
604
605 case wxMOUSE_BTN_RIGHT:
0b746ba8 606 return RightDClick();
01101e2d
VZ
607
608 case wxMOUSE_BTN_AUX1:
609 return Aux1DClick();
610
611 case wxMOUSE_BTN_AUX2:
612 return Aux2DClick();
0b746ba8 613 }
c801d85f
KB
614}
615
3e89999c 616// return true if was a button down event
c801d85f
KB
617bool wxMouseEvent::ButtonDown(int but) const
618{
0b746ba8
VZ
619 switch (but)
620 {
3e89999c
VZ
621 default:
622 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
623 // fall through
624
625 case wxMOUSE_BTN_ANY:
01101e2d
VZ
626 return (LeftDown() || MiddleDown() || RightDown() ||
627 Aux1Down() || Aux2Down());
3e89999c
VZ
628
629 case wxMOUSE_BTN_LEFT:
0b746ba8 630 return LeftDown();
3e89999c
VZ
631
632 case wxMOUSE_BTN_MIDDLE:
0b746ba8 633 return MiddleDown();
3e89999c
VZ
634
635 case wxMOUSE_BTN_RIGHT:
0b746ba8 636 return RightDown();
01101e2d
VZ
637
638 case wxMOUSE_BTN_AUX1:
639 return Aux1Down();
640
641 case wxMOUSE_BTN_AUX2:
642 return Aux2Down();
0b746ba8 643 }
c801d85f
KB
644}
645
3e89999c 646// return true if was a button up event
c801d85f
KB
647bool wxMouseEvent::ButtonUp(int but) const
648{
1e6feb95
VZ
649 switch (but)
650 {
3e89999c
VZ
651 default:
652 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
653 // fall through
654
655 case wxMOUSE_BTN_ANY:
01101e2d
VZ
656 return (LeftUp() || MiddleUp() || RightUp() ||
657 Aux1Up() || Aux2Up());
3e89999c
VZ
658
659 case wxMOUSE_BTN_LEFT:
0b746ba8 660 return LeftUp();
3e89999c
VZ
661
662 case wxMOUSE_BTN_MIDDLE:
0b746ba8 663 return MiddleUp();
3e89999c
VZ
664
665 case wxMOUSE_BTN_RIGHT:
0b746ba8 666 return RightUp();
01101e2d
VZ
667
668 case wxMOUSE_BTN_AUX1:
669 return Aux1Up();
670
671 case wxMOUSE_BTN_AUX2:
672 return Aux2Up();
0b746ba8 673 }
c801d85f
KB
674}
675
3e89999c 676// return true if the given button is currently changing state
c801d85f
KB
677bool wxMouseEvent::Button(int but) const
678{
1e6feb95
VZ
679 switch (but)
680 {
0b746ba8 681 default:
223d09f6 682 wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
3e89999c
VZ
683 // fall through
684
685 case wxMOUSE_BTN_ANY:
686 return ButtonUp(wxMOUSE_BTN_ANY) ||
687 ButtonDown(wxMOUSE_BTN_ANY) ||
688 ButtonDClick(wxMOUSE_BTN_ANY);
689
690 case wxMOUSE_BTN_LEFT:
691 return LeftDown() || LeftUp() || LeftDClick();
692
693 case wxMOUSE_BTN_MIDDLE:
694 return MiddleDown() || MiddleUp() || MiddleDClick();
695
696 case wxMOUSE_BTN_RIGHT:
697 return RightDown() || RightUp() || RightDClick();
01101e2d
VZ
698
699 case wxMOUSE_BTN_AUX1:
700 return Aux1Down() || Aux1Up() || Aux1DClick();
701
702 case wxMOUSE_BTN_AUX2:
703 return Aux2Down() || Aux2Up() || Aux2DClick();
0b746ba8 704 }
c801d85f
KB
705}
706
1e6feb95
VZ
707int wxMouseEvent::GetButton() const
708{
01101e2d 709 for ( int i = 1; i < wxMOUSE_BTN_MAX; i++ )
1e6feb95
VZ
710 {
711 if ( Button(i) )
712 {
713 return i;
714 }
715 }
716
3e89999c 717 return wxMOUSE_BTN_NONE;
1e6feb95
VZ
718}
719
c801d85f
KB
720// Find the logical position of the event given the DC
721wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
722{
0757d27c
JS
723 wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
724 return pt;
c801d85f
KB
725}
726
8e40ed85
FM
727// ----------------------------------------------------------------------------
728// wxKeyEvent
729// ----------------------------------------------------------------------------
c801d85f 730
7798a18e 731wxKeyEvent::wxKeyEvent(wxEventType type)
c801d85f 732{
0b746ba8 733 m_eventType = type;
86408a03 734 m_keyCode = WXK_NONE;
2b5f62a0 735#if wxUSE_UNICODE
86408a03 736 m_uniChar = WXK_NONE;
2b5f62a0 737#endif
3a95f73c
VZ
738
739 InitPropagation();
c801d85f
KB
740}
741
92309201 742wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
0e097789
VZ
743 : wxEvent(evt),
744 wxKeyboardState(evt)
2b5f62a0 745{
dfc7216d 746 DoAssignMembers(evt);
3a95f73c
VZ
747
748 InitPropagation();
2b5f62a0 749}
12a3f227 750
e45d9090
VZ
751wxKeyEvent::wxKeyEvent(wxEventType eventType, const wxKeyEvent& evt)
752 : wxEvent(evt),
753 wxKeyboardState(evt)
754{
755 DoAssignMembers(evt);
756
757 m_eventType = eventType;
3a95f73c
VZ
758
759 InitPropagation();
e45d9090
VZ
760}
761
7a34307e
VZ
762bool wxKeyEvent::IsKeyInCategory(int category) const
763{
764 switch ( GetKeyCode() )
765 {
766 case WXK_LEFT:
767 case WXK_RIGHT:
768 case WXK_UP:
769 case WXK_DOWN:
770 case WXK_NUMPAD_LEFT:
771 case WXK_NUMPAD_RIGHT:
772 case WXK_NUMPAD_UP:
773 case WXK_NUMPAD_DOWN:
774 return (category & WXK_CATEGORY_ARROW) != 0;
775
776 case WXK_PAGEDOWN:
777 case WXK_END:
778 case WXK_NUMPAD_PAGEUP:
779 case WXK_NUMPAD_PAGEDOWN:
780 return (category & WXK_CATEGORY_PAGING) != 0;
781
782 case WXK_HOME:
783 case WXK_PAGEUP:
784 case WXK_NUMPAD_HOME:
785 case WXK_NUMPAD_END:
786 return (category & WXK_CATEGORY_JUMP) != 0;
787
788 case WXK_TAB:
4f742042 789 case WXK_NUMPAD_TAB:
7a34307e
VZ
790 return (category & WXK_CATEGORY_TAB) != 0;
791
792 case WXK_BACK:
793 case WXK_DELETE:
794 case WXK_NUMPAD_DELETE:
795 return (category & WXK_CATEGORY_CUT) != 0;
796
797 default:
798 return false;
799 }
800}
801
8e40ed85
FM
802// ----------------------------------------------------------------------------
803// wxWindowCreateEvent
804// ----------------------------------------------------------------------------
805
42e69d6b 806wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
42e69d6b 807{
cfe17b74 808 SetEventType(wxEVT_CREATE);
42e69d6b
VZ
809 SetEventObject(win);
810}
811
8e40ed85
FM
812// ----------------------------------------------------------------------------
813// wxWindowDestroyEvent
814// ----------------------------------------------------------------------------
815
42e69d6b 816wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
42e69d6b 817{
cfe17b74 818 SetEventType(wxEVT_DESTROY);
42e69d6b
VZ
819 SetEventObject(win);
820}
821
8e40ed85
FM
822// ----------------------------------------------------------------------------
823// wxChildFocusEvent
824// ----------------------------------------------------------------------------
825
456bc6d9
VZ
826wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
827 : wxCommandEvent(wxEVT_CHILD_FOCUS)
828{
829 SetEventObject(win);
830}
831
b107e8d5
VZ
832// ----------------------------------------------------------------------------
833// wxHelpEvent
834// ----------------------------------------------------------------------------
835
836/* static */
837wxHelpEvent::Origin wxHelpEvent::GuessOrigin(Origin origin)
838{
839 if ( origin == Origin_Unknown )
840 {
841 // assume that the event comes from the help button if it's not from
842 // keyboard and that pressing F1 always results in the help event
843 origin = wxGetKeyState(WXK_F1) ? Origin_Keyboard : Origin_HelpButton;
844 }
845
846 return origin;
847}
848
dd070522
VZ
849#endif // wxUSE_GUI
850
9416681d
VS
851
852#if wxUSE_BASE
853
b5a98acd
VZ
854// ----------------------------------------------------------------------------
855// wxEventHashTable
856// ----------------------------------------------------------------------------
857
afa039f9
JS
858static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small...
859
860wxEventHashTable* wxEventHashTable::sm_first = NULL;
b5a98acd
VZ
861
862wxEventHashTable::wxEventHashTable(const wxEventTable &table)
863 : m_table(table),
1c624631 864 m_rebuildHash(true)
b5a98acd
VZ
865{
866 AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
1a18887b 867
afa039f9
JS
868 m_next = sm_first;
869 if (m_next)
870 m_next->m_previous = this;
871 sm_first = this;
b5a98acd
VZ
872}
873
874wxEventHashTable::~wxEventHashTable()
afa039f9
JS
875{
876 if (m_next)
877 m_next->m_previous = m_previous;
878 if (m_previous)
879 m_previous->m_next = m_next;
880 if (sm_first == this)
881 sm_first = m_next;
1a18887b 882
afa039f9
JS
883 Clear();
884}
885
886void wxEventHashTable::Clear()
b5a98acd 887{
a0826b11 888 for ( size_t i = 0; i < m_size; i++ )
b5a98acd
VZ
889 {
890 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
a0826b11 891 delete eTTnode;
b5a98acd
VZ
892 }
893
5276b0a5 894 wxDELETEA(m_eventTypeTable);
a0826b11 895
afa039f9
JS
896 m_size = 0;
897}
898
657a8a35 899#if wxUSE_MEMORY_TRACING
a0826b11 900
afa039f9
JS
901// Clear all tables
902void wxEventHashTable::ClearAll()
903{
904 wxEventHashTable* table = sm_first;
905 while (table)
906 {
907 table->Clear();
908 table = table->m_next;
909 }
b5a98acd
VZ
910}
911
657a8a35 912#endif // wxUSE_MEMORY_TRACING
a0826b11 913
b5a98acd
VZ
914bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
915{
916 if (m_rebuildHash)
917 {
918 InitHashTable();
1c624631 919 m_rebuildHash = false;
b5a98acd 920 }
1a18887b 921
afa039f9 922 if (!m_eventTypeTable)
1a18887b 923 return false;
b5a98acd
VZ
924
925 // Find all entries for the given event type.
926 wxEventType eventType = event.GetEventType();
927 const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
928 if (eTTnode && eTTnode->eventType == eventType)
929 {
930 // Now start the search for an event handler
931 // that can handle an event with the given ID.
1c624631
VZ
932 const wxEventTableEntryPointerArray&
933 eventEntryTable = eTTnode->eventEntryTable;
b5a98acd 934
1c624631
VZ
935 const size_t count = eventEntryTable.GetCount();
936 for (size_t n = 0; n < count; n++)
b5a98acd 937 {
03f3617b
VZ
938 const wxEventTableEntry& entry = *eventEntryTable[n];
939 if ( wxEvtHandler::ProcessEventIfMatchesId(entry, self, event) )
1c624631 940 return true;
b5a98acd 941 }
b5a98acd
VZ
942 }
943
1c624631 944 return false;
b5a98acd
VZ
945}
946
947void wxEventHashTable::InitHashTable()
948{
949 // Loop over the event tables and all its base tables.
950 const wxEventTable *table = &m_table;
951 while (table)
952 {
953 // Retrieve all valid event handler entries
954 const wxEventTableEntry *entry = table->entries;
955 while (entry->m_fn != 0)
956 {
957 // Add the event entry in the Hash.
958 AddEntry(*entry);
959
960 entry++;
961 }
962
963 table = table->baseTable;
964 }
965
4c51a665 966 // Let's free some memory.
b5a98acd
VZ
967 size_t i;
968 for(i = 0; i < m_size; i++)
969 {
970 EventTypeTablePointer eTTnode = m_eventTypeTable[i];
971 if (eTTnode)
972 {
973 eTTnode->eventEntryTable.Shrink();
974 }
975 }
976}
977
978void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
979{
afa039f9
JS
980 // This might happen 'accidentally' as the app is exiting
981 if (!m_eventTypeTable)
982 return;
1a18887b 983
b5a98acd
VZ
984 EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
985 EventTypeTablePointer eTTnode = *peTTnode;
986
987 if (eTTnode)
988 {
989 if (eTTnode->eventType != entry.m_eventType)
990 {
991 // Resize the table!
992 GrowEventTypeTable();
993 // Try again to add it.
994 AddEntry(entry);
995 return;
996 }
997 }
998 else
999 {
1000 eTTnode = new EventTypeTable;
1001 eTTnode->eventType = entry.m_eventType;
1002 *peTTnode = eTTnode;
1003 }
1004
1005 // Fill all hash entries between entry.m_id and entry.m_lastId...
1006 eTTnode->eventEntryTable.Add(&entry);
1007}
1008
1009void wxEventHashTable::AllocEventTypeTable(size_t size)
1010{
1011 m_eventTypeTable = new EventTypeTablePointer[size];
1012 memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
1013 m_size = size;
1014}
1015
1016void wxEventHashTable::GrowEventTypeTable()
1017{
1018 size_t oldSize = m_size;
1019 EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
1020
1021 // TODO: Search the most optimal grow sequence
1022 AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
1023
1024 for ( size_t i = 0; i < oldSize; /* */ )
1025 {
1026 EventTypeTablePointer eTToldNode = oldEventTypeTable[i];
1027 if (eTToldNode)
1028 {
1029 EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
1030 EventTypeTablePointer eTTnode = *peTTnode;
1031
1032 // Check for collision, we don't want any.
1033 if (eTTnode)
1034 {
1035 GrowEventTypeTable();
1036 continue; // Don't increment the counter,
1037 // as we still need to add this element.
1038 }
1039 else
1040 {
1041 // Get the old value and put it in the new table.
1042 *peTTnode = oldEventTypeTable[i];
1043 }
1044 }
1045
1046 i++;
1047 }
1048
1049 delete[] oldEventTypeTable;
1050}
1051
456bc6d9
VZ
1052// ----------------------------------------------------------------------------
1053// wxEvtHandler
1054// ----------------------------------------------------------------------------
1055
0b746ba8 1056wxEvtHandler::wxEvtHandler()
c801d85f 1057{
3c778901
VZ
1058 m_nextHandler = NULL;
1059 m_previousHandler = NULL;
1c624631 1060 m_enabled = true;
3c778901
VZ
1061 m_dynamicEvents = NULL;
1062 m_pendingEvents = NULL;
aa767a45 1063
b88c44e7
RD
1064 // no client data (yet)
1065 m_clientData = NULL;
1066 m_clientDataType = wxClientData_None;
c801d85f
KB
1067}
1068
0b746ba8 1069wxEvtHandler::~wxEvtHandler()
c801d85f 1070{
7f853dd0 1071 Unlink();
0b746ba8
VZ
1072
1073 if (m_dynamicEvents)
fe71f65c 1074 {
3c448b2e
VZ
1075 for ( wxList::iterator it = m_dynamicEvents->begin(),
1076 end = m_dynamicEvents->end();
1077 it != end;
1078 ++it )
0b746ba8 1079 {
df5168c4 1080 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
2e4df4bf 1081
cc6ceca7 1082 // Remove ourselves from sink destructor notifications
3c778901 1083 // (this has usually been done, in wxTrackable destructor)
f3ff831f 1084 wxEvtHandler *eventSink = entry->m_fn->GetEvtHandler();
cc6ceca7 1085 if ( eventSink )
2ef989c9 1086 {
cc6ceca7
VZ
1087 wxEventConnectionRef * const
1088 evtConnRef = FindRefInTrackerList(eventSink);
1089 if ( evtConnRef )
1090 {
1091 eventSink->RemoveNode(evtConnRef);
1092 delete evtConnRef;
1093 }
2ef989c9 1094 }
cc6ceca7 1095
3c778901 1096 delete entry->m_callbackUserData;
0b746ba8 1097 delete entry;
0b746ba8
VZ
1098 }
1099 delete m_dynamicEvents;
dde19c21 1100 }
7214297d 1101
dde19c21 1102 // Remove us from the list of the pending events if necessary.
8e40ed85
FM
1103 if (wxTheApp)
1104 wxTheApp->RemovePendingEventHandler(this);
b88c44e7 1105
cae9e7b1
FM
1106 DeletePendingEvents();
1107
b88c44e7
RD
1108 // we only delete object data, not untyped
1109 if ( m_clientDataType == wxClientData_Object )
1110 delete m_clientObject;
c801d85f
KB
1111}
1112
7f853dd0
FM
1113void wxEvtHandler::Unlink()
1114{
1115 // this event handler must take itself out of the chain of handlers:
1116
1117 if (m_previousHandler)
1118 m_previousHandler->SetNextHandler(m_nextHandler);
1119
1120 if (m_nextHandler)
1121 m_nextHandler->SetPreviousHandler(m_previousHandler);
1122
1123 m_nextHandler = NULL;
1124 m_previousHandler = NULL;
1125}
1126
1127bool wxEvtHandler::IsUnlinked() const
1128{
1129 return m_previousHandler == NULL &&
1130 m_nextHandler == NULL;
1131}
1132
58cc1587
VZ
1133wxEventFilter* wxEvtHandler::ms_filterList = NULL;
1134
1135/* static */ void wxEvtHandler::AddFilter(wxEventFilter* filter)
1136{
1137 wxCHECK_RET( filter, "NULL filter" );
1138
1139 filter->m_next = ms_filterList;
1140 ms_filterList = filter;
1141}
1142
1143/* static */ void wxEvtHandler::RemoveFilter(wxEventFilter* filter)
1144{
1145 wxEventFilter* prev = NULL;
1146 for ( wxEventFilter* f = ms_filterList; f; f = f->m_next )
1147 {
1148 if ( f == filter )
1149 {
1150 // Set the previous list element or the list head to the next
1151 // element.
1152 if ( prev )
1153 prev->m_next = f->m_next;
1154 else
1155 ms_filterList = f->m_next;
1156
1157 // Also reset the next pointer in the filter itself just to avoid
1158 // having possibly dangling pointers, even though it's not strictly
1159 // necessary.
1160 f->m_next = NULL;
1161
1162 // Skip the assert below.
1163 return;
1164 }
956b1c85
VZ
1165
1166 prev = f;
58cc1587
VZ
1167 }
1168
1169 wxFAIL_MSG( "Filter not found" );
1170}
1171
7214297d 1172#if wxUSE_THREADS
aadbdf11 1173
76bfdc9a 1174bool wxEvtHandler::ProcessThreadEvent(const wxEvent& event)
7214297d 1175{
7214297d 1176 // check that we are really in a child thread
8e193f38
VZ
1177 wxASSERT_MSG( !wxThread::IsMain(),
1178 wxT("use ProcessEvent() in main thread") );
1179
1180 AddPendingEvent(event);
7214297d 1181
1c624631 1182 return true;
8e193f38
VZ
1183}
1184
1185#endif // wxUSE_THREADS
1186
c3f94162 1187void wxEvtHandler::QueueEvent(wxEvent *event)
8e193f38 1188{
c3f94162 1189 wxCHECK_RET( event, "NULL event can't be posted" );
7a5c8ac4 1190
8e40ed85 1191 if (!wxTheApp)
dde19c21
FM
1192 {
1193 // we need an event loop which manages the list of event handlers with
1194 // pending events... cannot proceed without it!
8e40ed85 1195 wxLogDebug("No application object! Cannot queue this event!");
9f54c829
FM
1196
1197 // anyway delete the given event to avoid memory leaks
1198 delete event;
1199
dde19c21
FM
1200 return;
1201 }
1202
c3f94162 1203 // 1) Add this event to our list of pending events
8ebec7dc 1204 wxENTER_CRIT_SECT( m_pendingEventsLock );
16c1f79c 1205
8e193f38 1206 if ( !m_pendingEvents )
cae9e7b1 1207 m_pendingEvents = new wxList;
7214297d 1208
c3f94162 1209 m_pendingEvents->Append(event);
7214297d 1210
16c1f79c
RR
1211 // 2) Add this event handler to list of event handlers that
1212 // have pending events.
cfe17b74 1213
8e40ed85 1214 wxTheApp->AppendPendingEventHandler(this);
6164f93c 1215
a715b990
VZ
1216 // only release m_pendingEventsLock now because otherwise there is a race
1217 // condition as described in the ticket #9093: we could process the event
1218 // just added to m_pendingEvents in our ProcessPendingEvents() below before
079f4130 1219 // we had time to append this pointer to wxHandlersWithPendingEvents list; thus
a715b990
VZ
1220 // breaking the invariant that a handler should be in the list iff it has
1221 // any pending events to process
1222 wxLEAVE_CRIT_SECT( m_pendingEventsLock );
1223
90e572f1 1224 // 3) Inform the system that new pending events are somewhere,
16c1f79c 1225 // and that these should be processed in idle time.
bf9e3e73 1226 wxWakeUpIdle();
7214297d
GL
1227}
1228
cae9e7b1
FM
1229void wxEvtHandler::DeletePendingEvents()
1230{
1231 if (m_pendingEvents)
1232 m_pendingEvents->DeleteContents(true);
1233 wxDELETE(m_pendingEvents);
1234}
1235
7214297d
GL
1236void wxEvtHandler::ProcessPendingEvents()
1237{
8e40ed85 1238 if (!wxTheApp)
dde19c21
FM
1239 {
1240 // we need an event loop which manages the list of event handlers with
1241 // pending events... cannot proceed without it!
8e40ed85 1242 wxLogDebug("No application object! Cannot process pending events!");
dde19c21
FM
1243 return;
1244 }
1245
d48b06bd
FM
1246 // we need to process only a single pending event in this call because
1247 // each call to ProcessEvent() could result in the destruction of this
1248 // same event handler (see the comment at the end of this function)
1249
8ebec7dc 1250 wxENTER_CRIT_SECT( m_pendingEventsLock );
8e193f38 1251
7ce2fb71
VZ
1252 // this method is only called by wxApp if this handler does have
1253 // pending events
1254 wxCHECK_RET( m_pendingEvents && !m_pendingEvents->IsEmpty(),
1255 "should have pending events if called" );
5fa150e2 1256
19c4d916 1257 wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
d48b06bd
FM
1258 wxEvent* pEvent = static_cast<wxEvent *>(node->GetData());
1259
1260 // find the first event which can be processed now:
dde19c21
FM
1261 wxEventLoopBase* evtLoop = wxEventLoopBase::GetActive();
1262 if (evtLoop && evtLoop->IsYielding())
d48b06bd 1263 {
dde19c21 1264 while (node && pEvent && !evtLoop->IsEventAllowedInsideYield(pEvent->GetEventCategory()))
d48b06bd
FM
1265 {
1266 node = node->GetNext();
1267 pEvent = node ? static_cast<wxEvent *>(node->GetData()) : NULL;
1268 }
1269
1270 if (!node)
1271 {
1272 // all our events are NOT processable now... signal this:
8e40ed85 1273 wxTheApp->DelayPendingEventHandler(this);
dde19c21
FM
1274
1275 // see the comment at the beginning of evtloop.h header for the
1276 // logic behind YieldFor() and behind DelayPendingEventHandler()
1277
d48b06bd
FM
1278 wxLEAVE_CRIT_SECT( m_pendingEventsLock );
1279
1280 return;
1281 }
1282 }
1283
1284 wxEventPtr event(pEvent);
5875d39c 1285
19c4d916
VZ
1286 // it's important we remove event from list before processing it, else a
1287 // nested event loop, for example from a modal dialog, might process the
1288 // same event again.
1289 m_pendingEvents->Erase(node);
7b0d5c59 1290
19c4d916 1291 if ( m_pendingEvents->IsEmpty() )
1512f0f7 1292 {
dde19c21
FM
1293 // if there are no more pending events left, we don't need to
1294 // stay in this list
8e40ed85 1295 wxTheApp->RemovePendingEventHandler(this);
1512f0f7 1296 }
5fa150e2 1297
8ebec7dc 1298 wxLEAVE_CRIT_SECT( m_pendingEventsLock );
7b0d5c59 1299
19c4d916 1300 ProcessEvent(*event);
cfe17b74 1301
19c4d916
VZ
1302 // careful: this object could have been deleted by the event handler
1303 // executed by the above ProcessEvent() call, so we can't access any fields
1304 // of this object any more
7214297d 1305}
7214297d 1306
8e40ed85
FM
1307/* static */
1308bool wxEvtHandler::ProcessEventIfMatchesId(const wxEventTableEntryBase& entry,
1309 wxEvtHandler *handler,
1310 wxEvent& event)
1c624631
VZ
1311{
1312 int tableId1 = entry.m_id,
1313 tableId2 = entry.m_lastId;
1314
1315 // match only if the event type is the same and the id is either -1 in
1316 // the event table (meaning "any") or the event id matches the id
1317 // specified in the event table either exactly or by falling into
1318 // range between first and last
1a18887b
WS
1319 if ((tableId1 == wxID_ANY) ||
1320 (tableId2 == wxID_ANY && tableId1 == event.GetId()) ||
1321 (tableId2 != wxID_ANY &&
1c624631
VZ
1322 (event.GetId() >= tableId1 && event.GetId() <= tableId2)))
1323 {
1324 event.Skip(false);
1325 event.m_callbackUserData = entry.m_callbackUserData;
1326
1327#if wxUSE_EXCEPTIONS
1328 if ( wxTheApp )
1329 {
1330 // call the handler via wxApp method which allows the user to catch
1331 // any exceptions which may be thrown by any handler in the program
1332 // in one place
3c778901 1333 wxTheApp->CallEventHandler(handler, *entry.m_fn, event);
1c624631
VZ
1334 }
1335 else
8bd2a804 1336#endif // wxUSE_EXCEPTIONS
1c624631 1337 {
3c778901 1338 (*entry.m_fn)(handler, event);
1c624631 1339 }
1c624631
VZ
1340
1341 if (!event.GetSkipped())
1342 return true;
1343 }
1344
1345 return false;
1346}
c801d85f 1347
8cc208e3 1348bool wxEvtHandler::DoTryApp(wxEvent& event)
c801d85f 1349{
4caf847c 1350 if ( wxTheApp && (this != wxTheApp) )
9154d8cf 1351 {
4caf847c
VZ
1352 // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1353 // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1354 // processed appropriately via SearchEventTable.
1355 if ( event.GetEventType() != wxEVT_IDLE )
1356 {
1357 if ( wxTheApp->ProcessEvent(event) )
1c624631 1358 return true;
4caf847c 1359 }
9154d8cf
VZ
1360 }
1361
1c624631 1362 return false;
4caf847c 1363}
0b746ba8 1364
2d8c0c2c
VZ
1365bool wxEvtHandler::TryBefore(wxEvent& event)
1366{
609483b8 1367#if WXWIN_COMPATIBILITY_2_8
2d8c0c2c
VZ
1368 // call the old virtual function to keep the code overriding it working
1369 return TryValidator(event);
1370#else
1371 wxUnusedVar(event);
1372 return false;
1373#endif
1374}
1375
1376bool wxEvtHandler::TryAfter(wxEvent& event)
1377{
3cbb9df8
VZ
1378 // We only want to pass the window to the application object once even if
1379 // there are several chained handlers. Ensure that this is what happens by
1380 // only calling DoTryApp() if there is no next handler (which would do it).
1381 //
1382 // Notice that, unlike simply calling TryAfter() on the last handler in the
1383 // chain only from ProcessEvent(), this also works with wxWindow object in
1384 // the middle of the chain: its overridden TryAfter() will still be called
1385 // and propagate the event upwards the window hierarchy even if it's not
1386 // the last one in the chain (which, admittedly, shouldn't happen often).
1387 if ( GetNextHandler() )
1388 return GetNextHandler()->TryAfter(event);
1389
609483b8 1390#if WXWIN_COMPATIBILITY_2_8
2d8c0c2c
VZ
1391 // as above, call the old virtual function for compatibility
1392 return TryParent(event);
1393#else
1394 return DoTryApp(event);
1395#endif
1396}
1397
4caf847c
VZ
1398bool wxEvtHandler::ProcessEvent(wxEvent& event)
1399{
58cc1587
VZ
1400 // The very first thing we do is to allow any registered filters to hook
1401 // into event processing in order to globally pre-process all events.
29de6f40 1402 //
3cbb9df8 1403 // Note that we should only do it if we're the first event handler called
29de6f40 1404 // to avoid calling FilterEvent() multiple times as the event goes through
3cbb9df8 1405 // the event handler chain and possibly upwards the window hierarchy.
29de6f40 1406 if ( !event.WasProcessed() )
9154d8cf 1407 {
58cc1587 1408 for ( wxEventFilter* f = ms_filterList; f; f = f->m_next )
9154d8cf 1409 {
58cc1587
VZ
1410 int rc = f->FilterEvent(event);
1411 if ( rc != wxEventFilter::Event_Skip )
29de6f40 1412 {
58cc1587
VZ
1413 wxASSERT_MSG( rc == wxEventFilter::Event_Ignore ||
1414 rc == wxEventFilter::Event_Processed,
1415 "unexpected FilterEvent() return value" );
9154d8cf 1416
58cc1587 1417 return rc != wxEventFilter::Event_Ignore;
29de6f40
VZ
1418 }
1419 //else: proceed normally
9154d8cf 1420 }
9154d8cf
VZ
1421 }
1422
3cbb9df8
VZ
1423 // Short circuit the event processing logic if we're requested to process
1424 // this event in this handler only, see DoTryChain() for more details.
bbdee10d 1425 if ( event.ShouldProcessOnlyIn(this) )
4b6d82c7 1426 return TryBeforeAndHere(event);
3cbb9df8
VZ
1427
1428
1429 // Try to process the event in this handler itself.
1430 if ( ProcessEventLocally(event) )
0ef5cba6
VZ
1431 {
1432 // It is possible that DoTryChain() called from ProcessEventLocally()
1433 // returned true but the event was not really processed: this happens
1434 // if a custom handler ignores the request to process the event in this
1435 // handler only and in this case we should skip the post processing
1436 // done in TryAfter() but still return the correct value ourselves to
1437 // indicate whether we did or did not find a handler for this event.
1438 return !event.GetSkipped();
1439 }
3cbb9df8
VZ
1440
1441 // If we still didn't find a handler, propagate the event upwards the
1442 // window chain and/or to the application object.
1443 if ( TryAfter(event) )
1444 return true;
1445
1446
1447 // No handler found anywhere, bail out.
1448 return false;
1449}
1450
1451bool wxEvtHandler::ProcessEventLocally(wxEvent& event)
1452{
4b6d82c7
VZ
1453 // Try the hooks which should be called before our own handlers and this
1454 // handler itself first. Notice that we should not call ProcessEvent() on
1455 // this one as we're already called from it, which explains why we do it
1456 // here and not in DoTryChain()
1457 return TryBeforeAndHere(event) || DoTryChain(event);
3cbb9df8 1458}
29de6f40 1459
3cbb9df8
VZ
1460bool wxEvtHandler::DoTryChain(wxEvent& event)
1461{
1462 for ( wxEvtHandler *h = GetNextHandler(); h; h = h->GetNextHandler() )
1463 {
1464 // We need to process this event at the level of this handler only
1465 // right now, the pre-/post-processing was either already done by
1466 // ProcessEvent() from which we were called or will be done by it when
1467 // we return.
1468 //
4b6d82c7 1469 // However we must call ProcessEvent() and not TryHereOnly() because the
512220b6
VZ
1470 // existing code (including some in wxWidgets itself) expects the
1471 // overridden ProcessEvent() in its custom event handlers pushed on a
1472 // window to be called.
3cbb9df8
VZ
1473 //
1474 // So we must call ProcessEvent() but it must not do what it usually
bbdee10d
VZ
1475 // does. To resolve this paradox we set up a special flag inside the
1476 // object itself to let ProcessEvent() know that it shouldn't do any
1477 // pre/post-processing for this event if it gets it. Note that this
1478 // only applies to this handler, if the event is passed to another one
1479 // by explicitly calling its ProcessEvent(), pre/post-processing should
1480 // be done as usual.
1481 //
1482 // Final complication is that if the implementation of ProcessEvent()
1483 // called wxEvent::DidntHonourProcessOnlyIn() (as the gross hack that
1484 // is wxScrollHelperEvtHandler::ProcessEvent() does) and ignored our
1485 // request to process event in this handler only, we have to compensate
1486 // for it by not processing the event further because this was already
1487 // done by that rogue event handler.
1488 wxEventProcessInHandlerOnly processInHandlerOnly(event, h);
e0520316 1489 if ( h->ProcessEvent(event) )
0ef5cba6
VZ
1490 {
1491 // Make sure "skipped" flag is not set as the event was really
1492 // processed in this case. Normally it shouldn't be set anyhow but
1493 // make sure just in case the user code does something strange.
1494 event.Skip(false);
1495
3cbb9df8 1496 return true;
0ef5cba6 1497 }
e0520316
VZ
1498
1499 if ( !event.ShouldProcessOnlyIn(h) )
0ef5cba6
VZ
1500 {
1501 // Still return true to indicate that no further processing should
1502 // be undertaken but ensure that "skipped" flag is set so that the
1503 // caller knows that the event was not really processed.
1504 event.Skip();
1505
1506 return true;
1507 }
3cbb9df8
VZ
1508 }
1509
1510 return false;
25250d33
VZ
1511}
1512
4b6d82c7 1513bool wxEvtHandler::TryHereOnly(wxEvent& event)
25250d33 1514{
29de6f40
VZ
1515 // If the event handler is disabled it doesn't process any events
1516 if ( !GetEvtHandlerEnabled() )
1517 return false;
4caf847c 1518
29de6f40
VZ
1519 // Handle per-instance dynamic event tables first
1520 if ( m_dynamicEvents && SearchDynamicEventTable(event) )
1521 return true;
c801d85f 1522
29de6f40
VZ
1523 // Then static per-class event tables
1524 if ( GetEventHashTable().HandleEvent(event, this) )
25250d33 1525 return true;
c801d85f 1526
25250d33
VZ
1527 // We don't have a handler for this event.
1528 return false;
c801d85f
KB
1529}
1530
937013e0
VS
1531bool wxEvtHandler::SafelyProcessEvent(wxEvent& event)
1532{
1533#if wxUSE_EXCEPTIONS
1534 try
1535 {
1536#endif
1537 return ProcessEvent(event);
1538#if wxUSE_EXCEPTIONS
1539 }
1540 catch ( ... )
1541 {
8793514e
VZ
1542 // notice that we do it in 2 steps to avoid warnings about possibly
1543 // uninitialized loop variable from some versions of g++ which are not
1544 // smart enough to figure out that GetActive() doesn't throw and so
1545 // that loop will always be initialized
1546 wxEventLoopBase *loop = NULL;
937013e0
VS
1547 try
1548 {
8793514e
VZ
1549 loop = wxEventLoopBase::GetActive();
1550
937013e0
VS
1551 if ( !wxTheApp || !wxTheApp->OnExceptionInMainLoop() )
1552 {
1553 if ( loop )
1554 loop->Exit();
1555 }
1556 //else: continue running current event loop
1557
1558 return false;
1559 }
1560 catch ( ... )
1561 {
1562 // OnExceptionInMainLoop() threw, possibly rethrowing the same
1563 // exception again: very good, but we still need Exit() to
1564 // be called
1565 if ( loop )
1566 loop->Exit();
1567 throw;
1568 }
1569 }
1570#endif // wxUSE_EXCEPTIONS
1571}
1572
c801d85f
KB
1573bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
1574{
1c624631 1575 const wxEventType eventType = event.GetEventType();
68662769 1576 for ( int i = 0; table.entries[i].m_fn != 0; i++ )
c801d85f 1577 {
68662769 1578 const wxEventTableEntry& entry = table.entries[i];
68662769 1579 if ( eventType == entry.m_eventType )
0b746ba8 1580 {
03f3617b 1581 if ( ProcessEventIfMatchesId(entry, this, event) )
1c624631 1582 return true;
0b746ba8 1583 }
c801d85f 1584 }
68662769 1585
1c624631 1586 return false;
c801d85f 1587}
97d7bfb8 1588
890d70eb
VZ
1589void wxEvtHandler::DoBind(int id,
1590 int lastId,
1591 wxEventType eventType,
1592 wxEventFunctor *func,
1593 wxObject *userData)
fe71f65c 1594{
0b5eceb6 1595 wxDynamicEventTableEntry *entry =
3c778901 1596 new wxDynamicEventTableEntry(eventType, id, lastId, func, userData);
0b746ba8
VZ
1597
1598 if (!m_dynamicEvents)
1599 m_dynamicEvents = new wxList;
1600
92309201
RD
1601 // Insert at the front of the list so most recent additions are found first
1602 m_dynamicEvents->Insert( (wxObject*) entry );
cc6ceca7
VZ
1603
1604 // Make sure we get to know when a sink is destroyed
f3ff831f 1605 wxEvtHandler *eventSink = func->GetEvtHandler();
886274c6 1606 if ( eventSink && eventSink != this )
2ef989c9 1607 {
cc6ceca7
VZ
1608 wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
1609 if ( evtConnRef )
1610 evtConnRef->IncRef( );
2ef989c9 1611 else
e822d1bd 1612 new wxEventConnectionRef(this, eventSink);
2ef989c9 1613 }
fe71f65c 1614}
97d7bfb8 1615
3c778901 1616bool
890d70eb
VZ
1617wxEvtHandler::DoUnbind(int id,
1618 int lastId,
1619 wxEventType eventType,
1620 const wxEventFunctor& func,
1621 wxObject *userData)
97d7bfb8
RR
1622{
1623 if (!m_dynamicEvents)
1c624631 1624 return false;
cfe17b74 1625
2ef989c9 1626 // Remove connection from tracker node (wxEventConnectionRef)
f3ff831f 1627 wxEvtHandler *eventSink = func.GetEvtHandler();
886274c6 1628 if ( eventSink && eventSink != this )
2ef989c9 1629 {
cc6ceca7
VZ
1630 wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
1631 if ( evtConnRef )
1632 evtConnRef->DecRef();
2ef989c9
RR
1633 }
1634
df5168c4 1635 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
97d7bfb8
RR
1636 while (node)
1637 {
ad684023 1638 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
2e4df4bf 1639
97d7bfb8 1640 if ((entry->m_id == id) &&
1a18887b 1641 ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) &&
97d7bfb8 1642 ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
890d70eb 1643 entry->m_fn->IsMatching(func) &&
3c778901 1644 ((entry->m_callbackUserData == userData) || !userData))
97d7bfb8 1645 {
3c778901 1646 delete entry->m_callbackUserData;
df5168c4 1647 m_dynamicEvents->Erase( node );
97d7bfb8 1648 delete entry;
1c624631 1649 return true;
97d7bfb8 1650 }
b1d4dd7a 1651 node = node->GetNext();
97d7bfb8 1652 }
1c624631 1653 return false;
97d7bfb8 1654}
fe71f65c
RR
1655
1656bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
1657{
1c624631 1658 wxCHECK_MSG( m_dynamicEvents, false,
223d09f6 1659 wxT("caller should check that we have dynamic events") );
0b746ba8 1660
df5168c4 1661 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
0b746ba8 1662 while (node)
fe71f65c 1663 {
1c624631 1664 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
0b746ba8 1665
7fce89b9
VZ
1666 // get next node before (maybe) calling the event handler as it could
1667 // call Disconnect() invalidating the current node
1668 node = node->GetNext();
1669
03f3617b 1670 if ( event.GetEventType() == entry->m_eventType )
0b746ba8 1671 {
f3ff831f 1672 wxEvtHandler *handler = entry->m_fn->GetEvtHandler();
03f3617b
VZ
1673 if ( !handler )
1674 handler = this;
1675 if ( ProcessEventIfMatchesId(*entry, handler, event) )
1c624631 1676 return true;
0b746ba8 1677 }
7b678698 1678 }
1c624631
VZ
1679
1680 return false;
4115960d 1681}
fe71f65c 1682
b88c44e7
RD
1683void wxEvtHandler::DoSetClientObject( wxClientData *data )
1684{
1685 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1686 wxT("can't have both object and void client data") );
1687
1688 if ( m_clientObject )
1689 delete m_clientObject;
1690
1691 m_clientObject = data;
1692 m_clientDataType = wxClientData_Object;
1693}
1694
1695wxClientData *wxEvtHandler::DoGetClientObject() const
1696{
1697 // it's not an error to call GetClientObject() on a window which doesn't
1698 // have client data at all - NULL will be returned
1699 wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1700 wxT("this window doesn't have object client data") );
1701
1702 return m_clientObject;
1703}
1704
1705void wxEvtHandler::DoSetClientData( void *data )
1706{
1707 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1708 wxT("can't have both object and void client data") );
1709
1710 m_clientData = data;
1711 m_clientDataType = wxClientData_Void;
1712}
1713
1714void *wxEvtHandler::DoGetClientData() const
1715{
1716 // it's not an error to call GetClientData() on a window which doesn't have
1717 // client data at all - NULL will be returned
1718 wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1719 wxT("this window doesn't have void client data") );
1720
1721 return m_clientData;
1722}
1723
cc6ceca7
VZ
1724// A helper to find an wxEventConnectionRef object
1725wxEventConnectionRef *
1726wxEvtHandler::FindRefInTrackerList(wxEvtHandler *eventSink)
2ef989c9 1727{
cc6ceca7 1728 for ( wxTrackerNode *node = eventSink->GetFirst(); node; node = node->m_nxt )
2ef989c9 1729 {
cc6ceca7
VZ
1730 // we only want wxEventConnectionRef nodes here
1731 wxEventConnectionRef *evtConnRef = node->ToEventConnection();
1732 if ( evtConnRef && evtConnRef->m_src == this )
2ef989c9 1733 {
cc6ceca7
VZ
1734 wxASSERT( evtConnRef->m_sink==eventSink );
1735 return evtConnRef;
2ef989c9
RR
1736 }
1737 }
cc6ceca7 1738
2ef989c9
RR
1739 return NULL;
1740}
1741
1742void wxEvtHandler::OnSinkDestroyed( wxEvtHandler *sink )
1743{
1744 wxASSERT(m_dynamicEvents);
cc6ceca7 1745
2ef989c9
RR
1746 // remove all connections with this sink
1747 wxList::compatibility_iterator node = m_dynamicEvents->GetFirst(), node_nxt;
1748 while (node)
1749 {
1750 wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1751 node_nxt = node->GetNext();
cc6ceca7 1752
f3ff831f 1753 if ( entry->m_fn->GetEvtHandler() == sink )
2ef989c9 1754 {
3c778901 1755 delete entry->m_callbackUserData;
2ef989c9
RR
1756 m_dynamicEvents->Erase( node );
1757 delete entry;
1758 }
1759 node = node_nxt;
1760 }
1761}
1762
4caf847c
VZ
1763#endif // wxUSE_BASE
1764
e90c1d2a
VZ
1765#if wxUSE_GUI
1766
e702ff0f
JS
1767// Find a window with the focus, that is also a descendant of the given window.
1768// This is used to determine the window to initially send commands to.
1769wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1770{
1771 // Process events starting with the window with the focus, if any.
1772 wxWindow* focusWin = wxWindow::FindFocus();
1773 wxWindow* win = focusWin;
1774
1775 // Check if this is a descendant of this frame.
1776 // If not, win will be set to NULL.
1777 while (win)
1778 {
1779 if (win == ancestor)
1780 break;
1781 else
1782 win = win->GetParent();
1783 }
3c778901
VZ
1784 if (win == NULL)
1785 focusWin = NULL;
e702ff0f
JS
1786
1787 return focusWin;
1788}
1789
c4fa5aa7
VZ
1790// ----------------------------------------------------------------------------
1791// wxEventBlocker
1792// ----------------------------------------------------------------------------
1793
1794wxEventBlocker::wxEventBlocker(wxWindow *win, wxEventType type)
1795{
1796 wxCHECK_RET(win, wxT("Null window given to wxEventBlocker"));
1797
1798 m_window = win;
1799
1800 Block(type);
1801 m_window->PushEventHandler(this);
1802}
1803
1804wxEventBlocker::~wxEventBlocker()
1805{
1806 wxEvtHandler *popped = m_window->PopEventHandler(false);
aa767a45 1807 wxCHECK_RET(popped == this,
c4fa5aa7
VZ
1808 wxT("Don't push other event handlers into a window managed by wxEventBlocker!"));
1809}
1810
1811bool wxEventBlocker::ProcessEvent(wxEvent& event)
1812{
1813 // should this event be blocked?
1814 for ( size_t i = 0; i < m_eventsToBlock.size(); i++ )
1815 {
1816 wxEventType t = (wxEventType)m_eventsToBlock[i];
1817 if ( t == wxEVT_ANY || t == event.GetEventType() )
1818 return true; // yes, it should: mark this event as processed
1819 }
1820
1821 return false;
1822}
1823
e90c1d2a 1824#endif // wxUSE_GUI
3c778901 1825