src/common/event.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        event.cpp
   3 // Purpose:     Event classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
  21 // Some older compilers (such as EMX) cannot handle
  22 // #pragma interface/implementation correctly, iff
  23 // #pragma implementation is used in _two_ translation
  24 // units (as created by e.g. event.cpp compiled for
  25 // libwx_base and event.cpp compiled for libwx_gui_core).
  26 // So we must not use those pragmas for those compilers in
  27 // such files.
  28     #pragma implementation "event.h"
  29 #endif
  30
  31 // For compilers that support precompilation, includes "wx.h".
  32 #include "wx/wxprec.h"
  33
  34 #ifdef __BORLANDC__
  35     #pragma hdrstop
  36 #endif
  37
  38 #ifndef WX_PRECOMP
  39     #include "wx/defs.h"
  40     #include "wx/app.h"
  41     #include "wx/list.h"
  42
  43     #if wxUSE_GUI
  44         #include "wx/control.h"
  45         #include "wx/utils.h"
  46         #include "wx/dc.h"
  47         #include "wx/textctrl.h"
  48     #endif // wxUSE_GUI
  49 #endif
  50
  51 #include "wx/event.h"
  52 #include "wx/module.h"
  53
  54 #if wxUSE_GUI
  55     #include "wx/validate.h"
  56 #if wxUSE_STOPWATCH
  57     #include "wx/stopwatch.h"
  58 #endif
  59 #endif // wxUSE_GUI
  60
  61 // ----------------------------------------------------------------------------
  62 // wxWin macros
  63 // ----------------------------------------------------------------------------
  64
  65 #if wxUSE_BASE
  66     IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
  67     IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
  68 #endif // wxUSE_BASE
  69
  70 #if wxUSE_GUI
  71     IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
  72     IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
  73     IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
  74     IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
  75     IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
  76     IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
  77     IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
  78     IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
  79     IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
  80     IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
  81     IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
  82     IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
  83     IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
  84     IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
  85     IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
  86     IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
  87     IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
  88     IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
  89     IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
  90     IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
  91     IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
  92     IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
  93     IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
  94     IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
  95     IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
  96     IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
  97     IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
  98     IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxEvent)
  99     IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
 100     IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
 101     IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
 102     IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
 103     IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
 104     IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
 105     IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
 106 #endif // wxUSE_GUI
 107
 108 #if wxUSE_BASE
 109
 110 const wxEventTable *wxEvtHandler::GetEventTable() const
 111     { return &wxEvtHandler::sm_eventTable; }
 112
 113 const wxEventTable wxEvtHandler::sm_eventTable =
 114     { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
 115
 116 wxEventHashTable &wxEvtHandler::GetEventHashTable() const
 117     { return wxEvtHandler::sm_eventHashTable; }
 118
 119 wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
 120
 121 const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
 122     { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
 123
 124
 125 #ifdef __WXDEBUG__
 126 // Clear up event hash table contents or we can get problems
 127 // when C++ is cleaning up the static object
 128 class wxEventTableEntryModule: public wxModule
 129 {
 130 DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
 131 public:
 132     wxEventTableEntryModule() {}
 133     bool OnInit() { return true; }
 134     void OnExit()
 135     {
 136         wxEventHashTable::ClearAll();
 137     }
 138 };
 139 IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
 140 #endif
 141
 142 // ----------------------------------------------------------------------------
 143 // global variables
 144 // ----------------------------------------------------------------------------
 145
 146 // To put pending event handlers
 147 wxList *wxPendingEvents = (wxList *)NULL;
 148
 149 #if wxUSE_THREADS
 150     // protects wxPendingEvents list
 151     wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
 152 #endif
 153
 154 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
 155
 156 // common event types are defined here, other event types are defined by the
 157 // components which use them
 158
 159 const wxEventType wxEVT_FIRST = 10000;
 160 const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
 161
 162 DEFINE_EVENT_TYPE(wxEVT_NULL)
 163 DEFINE_EVENT_TYPE(wxEVT_IDLE)
 164 DEFINE_EVENT_TYPE(wxEVT_SOCKET)
 165
 166 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
 167
 168 #endif // wxUSE_BASE
 169
 170 #if wxUSE_GUI
 171
 172 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
 173
 174 DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
 175 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
 176 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
 177 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
 178 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
 179 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
 180 DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
 181 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
 182 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
 183 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
 184 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
 185 DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
 186 DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
 187 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
 188 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
 189 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
 190
 191 // Sockets and timers send events, too
 192 DEFINE_EVENT_TYPE(wxEVT_TIMER)
 193
 194 // Mouse event types
 195 DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
 196 DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
 197 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
 198 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
 199 DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
 200 DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
 201 DEFINE_EVENT_TYPE(wxEVT_MOTION)
 202 DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
 203 DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
 204 DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
 205 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
 206 DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
 207 DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
 208 DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
 209 DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
 210 DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
 211
 212 // Non-client mouse events
 213 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
 214 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP)
 215 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
 216 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
 217 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
 218 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
 219 DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
 220 DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
 221 DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
 222 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
 223 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
 224 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
 225
 226 // Character input event type
 227 DEFINE_EVENT_TYPE(wxEVT_CHAR)
 228 DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
 229 DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
 230 DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
 231 DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
 232 #if wxUSE_HOTKEY
 233 DEFINE_EVENT_TYPE(wxEVT_HOTKEY)
 234 #endif
 235
 236 // Set cursor event
 237 DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
 238
 239 // wxScrollbar and wxSlider event identifiers
 240 DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
 241 DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
 242 DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
 243 DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
 244 DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
 245 DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
 246 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
 247 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
 248 DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED)
 249
 250 // see comments in wx/event.h, near wxEVT_SCROLL_ENDSCROLL declaration
 251 #if wxCHECK_VERSION(2, 7, 0)
 252     #error "Remove the lines below, not needed any more"
 253 #endif
 254 #undef wxEVT_SCROLL_ENDSCROLL
 255 extern WXDLLIMPEXP_CORE const wxEventType wxEVT_SCROLL_ENDSCROLL;
 256 const wxEventType wxEVT_SCROLL_ENDSCROLL = wxEVT_SCROLL_CHANGED;
 257
 258 // Scroll events from wxWindow
 259 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
 260 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
 261 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
 262 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
 263 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
 264 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
 265 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
 266 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
 267
 268 // System events
 269 DEFINE_EVENT_TYPE(wxEVT_SIZE)
 270 DEFINE_EVENT_TYPE(wxEVT_SIZING)
 271 DEFINE_EVENT_TYPE(wxEVT_MOVE)
 272 DEFINE_EVENT_TYPE(wxEVT_MOVING)
 273 DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
 274 DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
 275 DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
 276 DEFINE_EVENT_TYPE(wxEVT_HIBERNATE)
 277 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
 278 DEFINE_EVENT_TYPE(wxEVT_POWER)
 279 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
 280 DEFINE_EVENT_TYPE(wxEVT_CREATE)
 281 DEFINE_EVENT_TYPE(wxEVT_DESTROY)
 282 DEFINE_EVENT_TYPE(wxEVT_SHOW)
 283 DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
 284 DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
 285 DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
 286 DEFINE_EVENT_TYPE(wxEVT_PAINT)
 287 DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
 288 DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
 289 DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
 290 DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
 291 DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
 292 DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
 293 DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
 294 DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
 295 DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
 296 DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
 297 DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
 298 DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
 299 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
 300 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
 301 DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
 302 DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
 303 DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
 304 DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
 305 DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
 306 DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
 307 DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
 308 DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
 309
 310 // Generic command events
 311 // Note: a click is a higher-level event than button down/up
 312 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
 313 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
 314 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
 315 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
 316 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
 317 DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
 318 DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
 319
 320 // Help events
 321 DEFINE_EVENT_TYPE(wxEVT_HELP)
 322 DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
 323
 324 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
 325
 326 #endif // wxUSE_GUI
 327
 328 #if wxUSE_BASE
 329
 330 // ============================================================================
 331 // implementation
 332 // ============================================================================
 333
 334 // ----------------------------------------------------------------------------
 335 // event initialization
 336 // ----------------------------------------------------------------------------
 337
 338 int wxNewEventType()
 339 {
 340     // MT-FIXME
 341     static int s_lastUsedEventType = wxEVT_FIRST;
 342
 343     return s_lastUsedEventType++;
 344 }
 345
 346 // ----------------------------------------------------------------------------
 347 // wxEvent
 348 // ----------------------------------------------------------------------------
 349
 350 /*
 351  * General wxWidgets events, covering
 352  * all interesting things that might happen (button clicking, resizing,
 353  * setting text in widgets, etc.).
 354  *
 355  * For each completely new event type, derive a new event class.
 356  *
 357  */
 358
 359 wxEvent::wxEvent(int theId, wxEventType commandType )
 360 {
 361     m_eventType = commandType;
 362     m_eventObject = (wxObject *) NULL;
 363     m_timeStamp = 0;
 364     m_id = theId;
 365     m_skipped = false;
 366     m_callbackUserData = (wxObject *) NULL;
 367     m_isCommandEvent = false;
 368     m_propagationLevel = wxEVENT_PROPAGATE_NONE;
 369 }
 370
 371 wxEvent::wxEvent(const wxEvent &src)
 372     : wxObject()
 373     , m_eventObject(src.m_eventObject)
 374     , m_eventType(src.m_eventType)
 375     , m_timeStamp(src.m_timeStamp)
 376     , m_id(src.m_id)
 377     , m_callbackUserData(src.m_callbackUserData)
 378     , m_propagationLevel(src.m_propagationLevel)
 379     , m_skipped(src.m_skipped)
 380     , m_isCommandEvent(src.m_isCommandEvent)
 381 {
 382 }
 383
 384 #endif // wxUSE_BASE
 385
 386 #if wxUSE_GUI
 387
 388 /*
 389  * Command events
 390  *
 391  */
 392
 393 #ifdef __VISUALC__
 394     // 'this' : used in base member initializer list (for m_commandString)
 395     #pragma warning(disable:4355)
 396 #endif
 397
 398 wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
 399               : wxEvent(theId, commandType)
 400 #if WXWIN_COMPATIBILITY_2_4
 401               , m_commandString(this)
 402 #endif
 403 {
 404     m_clientData = (char *) NULL;
 405     m_clientObject = (wxClientData *) NULL;
 406     m_extraLong = 0;
 407     m_commandInt = 0;
 408     m_isCommandEvent = true;
 409
 410     // the command events are propagated upwards by default
 411     m_propagationLevel = wxEVENT_PROPAGATE_MAX;
 412 }
 413
 414 #ifdef __VISUALC__
 415     #pragma warning(default:4355)
 416 #endif
 417
 418 wxString wxCommandEvent::GetString() const
 419 {
 420     if(m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
 421         return m_cmdString;
 422     else
 423     {
 424 #if wxUSE_TEXTCTRL
 425         wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl);
 426         if(txt)
 427             return txt->GetValue();
 428         else
 429 #endif // wxUSE_TEXTCTRL
 430             return m_cmdString;
 431     }
 432 }
 433
 434 /*
 435  * UI update events
 436  */
 437
 438 #if wxUSE_LONGLONG
 439 wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
 440 #endif
 441
 442 long wxUpdateUIEvent::sm_updateInterval = 0;
 443
 444 wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
 445
 446 // Can we update?
 447 bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win)
 448 {
 449     // Don't update if we've switched global updating off
 450     // and this window doesn't support updates.
 451     if (win &&
 452        (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
 453        ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
 454         return false;
 455
 456     if (sm_updateInterval == -1)
 457         return false;
 458
 459     if (sm_updateInterval == 0)
 460         return true;
 461
 462 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
 463     wxLongLong now = wxGetLocalTimeMillis();
 464     if (now > (sm_lastUpdate + sm_updateInterval))
 465     {
 466         return true;
 467     }
 468
 469     return false;
 470 #else
 471     // If we don't have wxStopWatch or wxLongLong, we
 472     // should err on the safe side and update now anyway.
 473     return true;
 474 #endif
 475 }
 476
 477 // Reset the update time to provide a delay until the next
 478 // time we should update
 479 void wxUpdateUIEvent::ResetUpdateTime()
 480 {
 481 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
 482     if (sm_updateInterval > 0)
 483     {
 484         wxLongLong now = wxGetLocalTimeMillis();
 485         if (now > (sm_lastUpdate + sm_updateInterval))
 486         {
 487             sm_lastUpdate = now;
 488         }
 489     }
 490 #endif
 491 }
 492
 493 /*
 494  * Idle events
 495  */
 496
 497 wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
 498
 499 // Can we send an idle event?
 500 bool wxIdleEvent::CanSend(wxWindow* win)
 501 {
 502     // Don't update if we've switched global updating off
 503     // and this window doesn't support updates.
 504     if (win &&
 505        (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
 506        ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
 507         return false;
 508
 509     return true;
 510 }
 511
 512 /*
 513  * Scroll events
 514  */
 515
 516 wxScrollEvent::wxScrollEvent(wxEventType commandType,
 517                              int id,
 518                              int pos,
 519                              int orient)
 520     : wxCommandEvent(commandType, id)
 521 {
 522     m_extraLong = orient;
 523     m_commandInt = pos;
 524 }
 525
 526 /*
 527  * ScrollWin events
 528  */
 529
 530 wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
 531                                    int pos,
 532                                    int orient)
 533 {
 534     m_eventType = commandType;
 535     m_extraLong = orient;
 536     m_commandInt = pos;
 537 }
 538
 539 /*
 540  * Mouse events
 541  *
 542  */
 543
 544 wxMouseEvent::wxMouseEvent(wxEventType commandType)
 545 {
 546     m_eventType = commandType;
 547     m_metaDown = false;
 548     m_altDown = false;
 549     m_controlDown = false;
 550     m_shiftDown = false;
 551     m_leftDown = false;
 552     m_rightDown = false;
 553     m_middleDown = false;
 554     m_x = 0;
 555     m_y = 0;
 556     m_wheelRotation = 0;
 557     m_wheelDelta = 0;
 558     m_linesPerAction = 0;
 559 }
 560
 561 void wxMouseEvent::Assign(const wxMouseEvent& event)
 562 {
 563     m_eventType = event.m_eventType;
 564
 565     m_x = event.m_x;
 566     m_y = event.m_y;
 567
 568     m_leftDown = event.m_leftDown;
 569     m_middleDown = event.m_middleDown;
 570     m_rightDown = event.m_rightDown;
 571
 572     m_controlDown = event.m_controlDown;
 573     m_shiftDown = event.m_shiftDown;
 574     m_altDown = event.m_altDown;
 575     m_metaDown = event.m_metaDown;
 576
 577     m_wheelRotation = event.m_wheelRotation;
 578     m_wheelDelta = event.m_wheelDelta;
 579     m_linesPerAction = event.m_linesPerAction;
 580 }
 581
 582 // return true if was a button dclick event
 583 bool wxMouseEvent::ButtonDClick(int but) const
 584 {
 585     switch (but)
 586     {
 587         default:
 588             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
 589             // fall through
 590
 591         case wxMOUSE_BTN_ANY:
 592             return (LeftDClick() || MiddleDClick() || RightDClick());
 593
 594         case wxMOUSE_BTN_LEFT:
 595             return LeftDClick();
 596
 597         case wxMOUSE_BTN_MIDDLE:
 598             return MiddleDClick();
 599
 600         case wxMOUSE_BTN_RIGHT:
 601             return RightDClick();
 602     }
 603 }
 604
 605 // return true if was a button down event
 606 bool wxMouseEvent::ButtonDown(int but) const
 607 {
 608     switch (but)
 609     {
 610         default:
 611             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
 612             // fall through
 613
 614         case wxMOUSE_BTN_ANY:
 615             return (LeftDown() || MiddleDown() || RightDown());
 616
 617         case wxMOUSE_BTN_LEFT:
 618             return LeftDown();
 619
 620         case wxMOUSE_BTN_MIDDLE:
 621             return MiddleDown();
 622
 623         case wxMOUSE_BTN_RIGHT:
 624             return RightDown();
 625     }
 626 }
 627
 628 // return true if was a button up event
 629 bool wxMouseEvent::ButtonUp(int but) const
 630 {
 631     switch (but)
 632     {
 633         default:
 634             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
 635             // fall through
 636
 637         case wxMOUSE_BTN_ANY:
 638             return (LeftUp() || MiddleUp() || RightUp());
 639
 640         case wxMOUSE_BTN_LEFT:
 641             return LeftUp();
 642
 643         case wxMOUSE_BTN_MIDDLE:
 644             return MiddleUp();
 645
 646         case wxMOUSE_BTN_RIGHT:
 647             return RightUp();
 648     }
 649 }
 650
 651 // return true if the given button is currently changing state
 652 bool wxMouseEvent::Button(int but) const
 653 {
 654     switch (but)
 655     {
 656         default:
 657             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
 658             // fall through
 659
 660         case wxMOUSE_BTN_ANY:
 661             return ButtonUp(wxMOUSE_BTN_ANY) ||
 662                     ButtonDown(wxMOUSE_BTN_ANY) ||
 663                         ButtonDClick(wxMOUSE_BTN_ANY);
 664
 665         case wxMOUSE_BTN_LEFT:
 666             return LeftDown() || LeftUp() || LeftDClick();
 667
 668         case wxMOUSE_BTN_MIDDLE:
 669             return MiddleDown() || MiddleUp() || MiddleDClick();
 670
 671         case wxMOUSE_BTN_RIGHT:
 672             return RightDown() || RightUp() || RightDClick();
 673     }
 674 }
 675
 676 bool wxMouseEvent::ButtonIsDown(int but) const
 677 {
 678     switch (but)
 679     {
 680         default:
 681             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
 682             // fall through
 683
 684         case wxMOUSE_BTN_ANY:
 685             return LeftIsDown() || MiddleIsDown() || RightIsDown();
 686
 687         case wxMOUSE_BTN_LEFT:
 688             return LeftIsDown();
 689
 690         case wxMOUSE_BTN_MIDDLE:
 691             return MiddleIsDown();
 692
 693         case wxMOUSE_BTN_RIGHT:
 694             return RightIsDown();
 695     }
 696 }
 697
 698 int wxMouseEvent::GetButton() const
 699 {
 700     for ( int i = 1; i <= 3; i++ )
 701     {
 702         if ( Button(i) )
 703         {
 704             return i;
 705         }
 706     }
 707
 708     return wxMOUSE_BTN_NONE;
 709 }
 710
 711 // Find the logical position of the event given the DC
 712 wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
 713 {
 714     wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
 715     return pt;
 716 }
 717
 718
 719 /*
 720  * Keyboard event
 721  *
 722  */
 723
 724 wxKeyEvent::wxKeyEvent(wxEventType type)
 725 {
 726     m_eventType = type;
 727     m_shiftDown = false;
 728     m_controlDown = false;
 729     m_metaDown = false;
 730     m_altDown = false;
 731     m_keyCode = 0;
 732     m_scanCode = 0;
 733 #if wxUSE_UNICODE
 734     m_uniChar = 0;
 735 #endif
 736 }
 737
 738 wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
 739     : wxEvent(evt)
 740 {
 741     m_x = evt.m_x;
 742     m_y = evt.m_y;
 743
 744     m_keyCode = evt.m_keyCode;
 745
 746     m_controlDown = evt.m_controlDown;
 747     m_shiftDown = evt.m_shiftDown;
 748     m_altDown = evt.m_altDown;
 749     m_metaDown = evt.m_metaDown;
 750     m_scanCode = evt.m_scanCode;
 751     m_rawCode = evt.m_rawCode;
 752     m_rawFlags = evt.m_rawFlags;
 753
 754 #if wxUSE_UNICODE
 755     m_uniChar = evt.m_uniChar;
 756 #endif
 757 }
 758
 759 long wxKeyEvent::KeyCode() const
 760 {
 761     return m_keyCode;
 762 }
 763
 764 wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
 765 {
 766     SetEventType(wxEVT_CREATE);
 767     SetEventObject(win);
 768 }
 769
 770 wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
 771 {
 772     SetEventType(wxEVT_DESTROY);
 773     SetEventObject(win);
 774 }
 775
 776 wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
 777                  : wxCommandEvent(wxEVT_CHILD_FOCUS)
 778 {
 779     SetEventObject(win);
 780 }
 781
 782 #endif // wxUSE_GUI
 783
 784
 785 #if wxUSE_BASE
 786
 787 // ----------------------------------------------------------------------------
 788 // wxEventHashTable
 789 // ----------------------------------------------------------------------------
 790
 791 static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small...
 792
 793 wxEventHashTable* wxEventHashTable::sm_first = NULL;
 794
 795 wxEventHashTable::wxEventHashTable(const wxEventTable &table)
 796                 : m_table(table),
 797                   m_rebuildHash(true)
 798 {
 799     AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
 800
 801     m_next = sm_first;
 802     if (m_next)
 803         m_next->m_previous = this;
 804     sm_first = this;
 805 }
 806
 807 wxEventHashTable::~wxEventHashTable()
 808 {
 809     if (m_next)
 810         m_next->m_previous = m_previous;
 811     if (m_previous)
 812         m_previous->m_next = m_next;
 813     if (sm_first == this)
 814         sm_first = m_next;
 815
 816     Clear();
 817 }
 818
 819 void wxEventHashTable::Clear()
 820 {
 821     size_t i;
 822     for(i = 0; i < m_size; i++)
 823     {
 824         EventTypeTablePointer  eTTnode = m_eventTypeTable[i];
 825         if (eTTnode)
 826         {
 827             delete eTTnode;
 828         }
 829     }
 830
 831     // Necessary in order to not invoke the
 832     // overloaded delete operator when statics are cleaned up
 833     if (m_eventTypeTable)
 834         delete[] m_eventTypeTable;
 835
 836     m_eventTypeTable = NULL;
 837     m_size = 0;
 838 }
 839
 840 // Clear all tables
 841 void wxEventHashTable::ClearAll()
 842 {
 843     wxEventHashTable* table = sm_first;
 844     while (table)
 845     {
 846         table->Clear();
 847         table = table->m_next;
 848     }
 849 }
 850
 851 bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
 852 {
 853     if (m_rebuildHash)
 854     {
 855         InitHashTable();
 856         m_rebuildHash = false;
 857     }
 858
 859     if (!m_eventTypeTable)
 860         return false;
 861
 862     // Find all entries for the given event type.
 863     wxEventType eventType = event.GetEventType();
 864     const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
 865     if (eTTnode && eTTnode->eventType == eventType)
 866     {
 867         // Now start the search for an event handler
 868         // that can handle an event with the given ID.
 869         const wxEventTableEntryPointerArray&
 870             eventEntryTable = eTTnode->eventEntryTable;
 871
 872         const size_t count = eventEntryTable.GetCount();
 873         for (size_t n = 0; n < count; n++)
 874         {
 875             if ( wxEvtHandler::
 876                     ProcessEventIfMatches(*eventEntryTable[n], self, event) )
 877             {
 878                 return true;
 879             }
 880         }
 881     }
 882
 883     return false;
 884 }
 885
 886 void wxEventHashTable::InitHashTable()
 887 {
 888     // Loop over the event tables and all its base tables.
 889     const wxEventTable *table = &m_table;
 890     while (table)
 891     {
 892         // Retrieve all valid event handler entries
 893         const wxEventTableEntry *entry = table->entries;
 894         while (entry->m_fn != 0)
 895         {
 896             // Add the event entry in the Hash.
 897             AddEntry(*entry);
 898
 899             entry++;
 900         }
 901
 902         table = table->baseTable;
 903     }
 904
 905     // Lets free some memory.
 906     size_t i;
 907     for(i = 0; i < m_size; i++)
 908     {
 909         EventTypeTablePointer  eTTnode = m_eventTypeTable[i];
 910         if (eTTnode)
 911         {
 912             eTTnode->eventEntryTable.Shrink();
 913         }
 914     }
 915 }
 916
 917 void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
 918 {
 919     // This might happen 'accidentally' as the app is exiting
 920     if (!m_eventTypeTable)
 921         return;
 922
 923     EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
 924     EventTypeTablePointer  eTTnode = *peTTnode;
 925
 926     if (eTTnode)
 927     {
 928         if (eTTnode->eventType != entry.m_eventType)
 929         {
 930             // Resize the table!
 931             GrowEventTypeTable();
 932             // Try again to add it.
 933             AddEntry(entry);
 934             return;
 935         }
 936     }
 937     else
 938     {
 939         eTTnode = new EventTypeTable;
 940         eTTnode->eventType = entry.m_eventType;
 941         *peTTnode = eTTnode;
 942     }
 943
 944     // Fill all hash entries between entry.m_id and entry.m_lastId...
 945     eTTnode->eventEntryTable.Add(&entry);
 946 }
 947
 948 void wxEventHashTable::AllocEventTypeTable(size_t size)
 949 {
 950     m_eventTypeTable = new EventTypeTablePointer[size];
 951     memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
 952     m_size = size;
 953 }
 954
 955 void wxEventHashTable::GrowEventTypeTable()
 956 {
 957     size_t oldSize = m_size;
 958     EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
 959
 960     // TODO: Search the most optimal grow sequence
 961     AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
 962
 963     for ( size_t i = 0; i < oldSize; /* */ )
 964     {
 965         EventTypeTablePointer  eTToldNode = oldEventTypeTable[i];
 966         if (eTToldNode)
 967         {
 968             EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
 969             EventTypeTablePointer  eTTnode = *peTTnode;
 970
 971             // Check for collision, we don't want any.
 972             if (eTTnode)
 973             {
 974                 GrowEventTypeTable();
 975                 continue; // Don't increment the counter,
 976                           // as we still need to add this element.
 977             }
 978             else
 979             {
 980                 // Get the old value and put it in the new table.
 981                 *peTTnode = oldEventTypeTable[i];
 982             }
 983         }
 984
 985         i++;
 986     }
 987
 988     delete[] oldEventTypeTable;
 989 }
 990
 991
 992 // ----------------------------------------------------------------------------
 993 // wxEvtHandler
 994 // ----------------------------------------------------------------------------
 995
 996 /*
 997  * Event handler
 998  */
 999
1000 wxEvtHandler::wxEvtHandler()
1001 {
1002     m_nextHandler = (wxEvtHandler *) NULL;
1003     m_previousHandler = (wxEvtHandler *) NULL;
1004     m_enabled = true;
1005     m_dynamicEvents = (wxList *) NULL;
1006     m_pendingEvents = (wxList *) NULL;
1007 #if wxUSE_THREADS
1008 #  if !defined(__VISAGECPP__)
1009     m_eventsLocker = new wxCriticalSection;
1010 #  endif
1011 #endif
1012     // no client data (yet)
1013     m_clientData = NULL;
1014     m_clientDataType = wxClientData_None;
1015 }
1016
1017 wxEvtHandler::~wxEvtHandler()
1018 {
1019     // Takes itself out of the list of handlers
1020     if (m_previousHandler)
1021         m_previousHandler->m_nextHandler = m_nextHandler;
1022
1023     if (m_nextHandler)
1024         m_nextHandler->m_previousHandler = m_previousHandler;
1025
1026     if (m_dynamicEvents)
1027     {
1028         wxList::iterator it = m_dynamicEvents->begin(),
1029                          en = m_dynamicEvents->end();
1030         for (;it != en; ++it)
1031         {
1032 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1033             wxEventTableEntry *entry = (wxEventTableEntry*)*it;
1034 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1035             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
1036 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1037
1038             if (entry->m_callbackUserData)
1039                 delete entry->m_callbackUserData;
1040             delete entry;
1041         }
1042         delete m_dynamicEvents;
1043     };
1044
1045     delete m_pendingEvents;
1046
1047 #if wxUSE_THREADS
1048 #  if !defined(__VISAGECPP__)
1049     delete m_eventsLocker;
1050 #  endif
1051
1052     // Remove us from wxPendingEvents if necessary.
1053     if(wxPendingEventsLocker)
1054         wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1055     if ( wxPendingEvents )
1056     {
1057         // Delete all occurences of this from the list of pending events
1058         while (wxPendingEvents->DeleteObject(this)) { } // Do nothing
1059     }
1060     if(wxPendingEventsLocker)
1061         wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1062 #endif
1063
1064     // we only delete object data, not untyped
1065     if ( m_clientDataType == wxClientData_Object )
1066         delete m_clientObject;
1067 }
1068
1069 #if wxUSE_THREADS
1070
1071 bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
1072 {
1073     // check that we are really in a child thread
1074     wxASSERT_MSG( !wxThread::IsMain(),
1075                   wxT("use ProcessEvent() in main thread") );
1076
1077     AddPendingEvent(event);
1078
1079     return true;
1080 }
1081
1082 void wxEvtHandler::ClearEventLocker()
1083 {
1084 #if !defined(__VISAGECPP__)
1085     delete m_eventsLocker;
1086     m_eventsLocker = NULL;
1087 #endif
1088 };
1089
1090 #endif // wxUSE_THREADS
1091
1092 void wxEvtHandler::AddPendingEvent(wxEvent& event)
1093 {
1094     // 1) Add event to list of pending events of this event handler
1095
1096     wxEvent *eventCopy = event.Clone();
1097
1098     // we must be able to copy the events here so the event class must
1099     // implement Clone() properly instead of just providing a NULL stab for it
1100     wxCHECK_RET( eventCopy,
1101                  _T("events of this type aren't supposed to be posted") );
1102
1103     wxENTER_CRIT_SECT( Lock() );
1104
1105     if ( !m_pendingEvents )
1106       m_pendingEvents = new wxList;
1107
1108     m_pendingEvents->Append(eventCopy);
1109
1110     wxLEAVE_CRIT_SECT( Lock() );
1111
1112     // 2) Add this event handler to list of event handlers that
1113     //    have pending events.
1114
1115     wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1116
1117     if ( !wxPendingEvents )
1118         wxPendingEvents = new wxList;
1119     wxPendingEvents->Append(this);
1120
1121     wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1122
1123     // 3) Inform the system that new pending events are somwehere,
1124     //    and that these should be processed in idle time.
1125     wxWakeUpIdle();
1126 }
1127
1128 void wxEvtHandler::ProcessPendingEvents()
1129 {
1130     // this method is only called by wxApp if this handler does have pending
1131     // events
1132     wxCHECK_RET( m_pendingEvents,
1133                  wxT("Please call wxApp::ProcessPendingEvents() instead") );
1134
1135     wxENTER_CRIT_SECT( Lock() );
1136
1137     // we leave the loop once we have processed all events that were present at
1138     // the start of ProcessPendingEvents because otherwise we could get into
1139     // infinite loop if the pending event handler execution resulted in another
1140     // event being posted
1141     size_t n = m_pendingEvents->size();
1142     for ( wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
1143           node;
1144           node = m_pendingEvents->GetFirst() )
1145     {
1146         wxEvent *event = (wxEvent *)node->GetData();
1147
1148         m_pendingEvents->Erase(node);
1149
1150         wxLEAVE_CRIT_SECT( Lock() );
1151
1152         ProcessEvent(*event);
1153         delete event;
1154
1155         wxENTER_CRIT_SECT( Lock() );
1156
1157         if ( !--n )
1158             break;
1159     }
1160
1161     wxLEAVE_CRIT_SECT( Lock() );
1162 }
1163
1164 /*
1165  * Event table stuff
1166  */
1167 /* static */ bool
1168 wxEvtHandler::ProcessEventIfMatches(const wxEventTableEntryBase& entry,
1169                                     wxEvtHandler *handler,
1170                                     wxEvent& event)
1171 {
1172     int tableId1 = entry.m_id,
1173         tableId2 = entry.m_lastId;
1174
1175     // match only if the event type is the same and the id is either -1 in
1176     // the event table (meaning "any") or the event id matches the id
1177     // specified in the event table either exactly or by falling into
1178     // range between first and last
1179     if ((tableId1 == wxID_ANY) ||
1180         (tableId2 == wxID_ANY && tableId1 == event.GetId()) ||
1181         (tableId2 != wxID_ANY &&
1182          (event.GetId() >= tableId1 && event.GetId() <= tableId2)))
1183     {
1184         event.Skip(false);
1185         event.m_callbackUserData = entry.m_callbackUserData;
1186
1187 #if wxUSE_EXCEPTIONS
1188         if ( wxTheApp )
1189         {
1190             // call the handler via wxApp method which allows the user to catch
1191             // any exceptions which may be thrown by any handler in the program
1192             // in one place
1193             wxTheApp->HandleEvent(handler, (wxEventFunction)entry.m_fn, event);
1194         }
1195         else
1196 #endif // wxUSE_EXCEPTIONS
1197         {
1198             // no need for an extra virtual function call
1199             (handler->*((wxEventFunction) (entry.m_fn)))(event);
1200         }
1201
1202         if (!event.GetSkipped())
1203             return true;
1204     }
1205
1206     return false;
1207 }
1208
1209 bool wxEvtHandler::TryParent(wxEvent& event)
1210 {
1211     if ( wxTheApp && (this != wxTheApp) )
1212     {
1213         // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1214         // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1215         // processed appropriately via SearchEventTable.
1216         if ( event.GetEventType() != wxEVT_IDLE )
1217         {
1218             if ( wxTheApp->ProcessEvent(event) )
1219                 return true;
1220         }
1221     }
1222
1223     return false;
1224 }
1225
1226 bool wxEvtHandler::ProcessEvent(wxEvent& event)
1227 {
1228     // allow the application to hook into event processing
1229     if ( wxTheApp )
1230     {
1231         int rc = wxTheApp->FilterEvent(event);
1232         if ( rc != -1 )
1233         {
1234             wxASSERT_MSG( rc == 1 || rc == 0,
1235                           _T("unexpected wxApp::FilterEvent return value") );
1236
1237             return rc != 0;
1238         }
1239         //else: proceed normally
1240     }
1241
1242     // An event handler can be enabled or disabled
1243     if ( GetEvtHandlerEnabled() )
1244     {
1245         // if we have a validator, it has higher priority than our own event
1246         // table
1247         if ( TryValidator(event) )
1248             return true;
1249
1250         // Handle per-instance dynamic event tables first
1251         if ( m_dynamicEvents && SearchDynamicEventTable(event) )
1252             return true;
1253
1254         // Then static per-class event tables
1255         if ( GetEventHashTable().HandleEvent(event, this) )
1256             return true;
1257     }
1258
1259     // Try going down the event handler chain
1260     if ( GetNextHandler() )
1261     {
1262         if ( GetNextHandler()->ProcessEvent(event) )
1263             return true;
1264     }
1265
1266     // Finally propagate the event upwards the window chain and/or to the
1267     // application object as necessary
1268     return TryParent(event);
1269 }
1270
1271
1272 bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
1273 {
1274     const wxEventType eventType = event.GetEventType();
1275     for ( int i = 0; table.entries[i].m_fn != 0; i++ )
1276     {
1277         const wxEventTableEntry& entry = table.entries[i];
1278         if ( eventType == entry.m_eventType )
1279         {
1280             if ( ProcessEventIfMatches(entry, this, event) )
1281                 return true;
1282         }
1283     }
1284
1285     return false;
1286 }
1287
1288 void wxEvtHandler::Connect( int id, int lastId,
1289                             int eventType,
1290                             wxObjectEventFunction func,
1291                             wxObject *userData,
1292                             wxEvtHandler* eventSink )
1293 {
1294 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1295     wxEventTableEntry *entry = new wxEventTableEntry;
1296     entry->m_eventType = eventType;
1297     entry->m_id = id;
1298     entry->m_lastId = lastId;
1299     entry->m_fn = func;
1300     entry->m_callbackUserData = userData;
1301 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1302     wxDynamicEventTableEntry *entry =
1303         new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
1304 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1305
1306     if (!m_dynamicEvents)
1307         m_dynamicEvents = new wxList;
1308
1309     // Insert at the front of the list so most recent additions are found first
1310     m_dynamicEvents->Insert( (wxObject*) entry );
1311 }
1312
1313 bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
1314                   wxObjectEventFunction func,
1315                   wxObject *userData,
1316                   wxEvtHandler* eventSink )
1317 {
1318     if (!m_dynamicEvents)
1319         return false;
1320
1321     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1322     while (node)
1323     {
1324 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1325             wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1326 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1327             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1328 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1329
1330         if ((entry->m_id == id) &&
1331             ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) &&
1332             ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
1333             ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
1334             ((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
1335             ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
1336         {
1337             if (entry->m_callbackUserData)
1338                 delete entry->m_callbackUserData;
1339             m_dynamicEvents->Erase( node );
1340             delete entry;
1341             return true;
1342         }
1343         node = node->GetNext();
1344     }
1345     return false;
1346 }
1347
1348 bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
1349 {
1350     wxCHECK_MSG( m_dynamicEvents, false,
1351                  wxT("caller should check that we have dynamic events") );
1352
1353     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1354     while (node)
1355     {
1356 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1357         wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1358 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1359         wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1360 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1361
1362         if ((event.GetEventType() == entry->m_eventType) && (entry->m_fn != 0))
1363         {
1364             wxEvtHandler *handler =
1365 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
1366                                     entry->m_eventSink ? entry->m_eventSink
1367                                                        :
1368 #endif
1369                                                          this;
1370
1371             if ( ProcessEventIfMatches(*entry, handler, event) )
1372             {
1373                 return true;
1374             }
1375         }
1376
1377         node = node->GetNext();
1378     }
1379
1380     return false;
1381 };
1382
1383 void wxEvtHandler::DoSetClientObject( wxClientData *data )
1384 {
1385     wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1386                   wxT("can't have both object and void client data") );
1387
1388     if ( m_clientObject )
1389         delete m_clientObject;
1390
1391     m_clientObject = data;
1392     m_clientDataType = wxClientData_Object;
1393 }
1394
1395 wxClientData *wxEvtHandler::DoGetClientObject() const
1396 {
1397     // it's not an error to call GetClientObject() on a window which doesn't
1398     // have client data at all - NULL will be returned
1399     wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1400                   wxT("this window doesn't have object client data") );
1401
1402     return m_clientObject;
1403 }
1404
1405 void wxEvtHandler::DoSetClientData( void *data )
1406 {
1407     wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1408                   wxT("can't have both object and void client data") );
1409
1410     m_clientData = data;
1411     m_clientDataType = wxClientData_Void;
1412 }
1413
1414 void *wxEvtHandler::DoGetClientData() const
1415 {
1416     // it's not an error to call GetClientData() on a window which doesn't have
1417     // client data at all - NULL will be returned
1418     wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1419                   wxT("this window doesn't have void client data") );
1420
1421     return m_clientData;
1422 }
1423
1424 #endif // wxUSE_BASE
1425
1426 #if wxUSE_GUI
1427
1428 // Find a window with the focus, that is also a descendant of the given window.
1429 // This is used to determine the window to initially send commands to.
1430 wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1431 {
1432     // Process events starting with the window with the focus, if any.
1433     wxWindow* focusWin = wxWindow::FindFocus();
1434     wxWindow* win = focusWin;
1435
1436     // Check if this is a descendant of this frame.
1437     // If not, win will be set to NULL.
1438     while (win)
1439     {
1440         if (win == ancestor)
1441             break;
1442         else
1443             win = win->GetParent();
1444     }
1445     if (win == (wxWindow*) NULL)
1446         focusWin = (wxWindow*) NULL;
1447
1448     return focusWin;
1449 }
1450
1451 #endif // wxUSE_GUI