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 #ifdef __GNUG__
  21     #pragma implementation "event.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/defs.h"
  33     #include "wx/app.h"
  34     #include "wx/list.h"
  35
  36     #if wxUSE_GUI
  37         #include "wx/control.h"
  38         #include "wx/utils.h"
  39         #include "wx/dc.h"
  40     #endif // wxUSE_GUI
  41 #endif
  42
  43 #include "wx/event.h"
  44
  45 #if wxUSE_GUI
  46     #include "wx/validate.h"
  47 #if wxUSE_STOPWATCH
  48     #include "wx/stopwatch.h"
  49 #endif
  50 #endif // wxUSE_GUI
  51
  52 // ----------------------------------------------------------------------------
  53 // wxWin macros
  54 // ----------------------------------------------------------------------------
  55
  56 #if wxUSE_BASE
  57     IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
  58     IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
  59 #endif // wxUSE_BASE
  60
  61 #if wxUSE_GUI
  62     IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
  63     IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
  64     IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
  65     IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
  66     IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
  67     IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
  68     IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
  69     IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
  70     IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
  71     IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
  72     IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
  73     IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
  74     IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
  75     IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
  76     IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
  77     IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
  78     IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
  79     IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
  80     IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
  81     IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
  82     IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
  83     IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
  84     IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
  85     IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
  86     IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
  87     IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
  88     IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
  89     IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
  90     IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
  91     IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
  92     IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
  93     IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
  94     IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
  95     IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
  96     IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
  97 #endif // wxUSE_GUI
  98
  99 #if wxUSE_BASE
 100
 101 const wxEventTable *wxEvtHandler::GetEventTable() const
 102     { return &wxEvtHandler::sm_eventTable; }
 103
 104 const wxEventTable wxEvtHandler::sm_eventTable =
 105     { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
 106
 107 wxEventHashTable &wxEvtHandler::GetEventHashTable() const
 108     { return wxEvtHandler::sm_eventHashTable; }
 109
 110 wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
 111
 112 const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
 113     { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
 114
 115 // ----------------------------------------------------------------------------
 116 // global variables
 117 // ----------------------------------------------------------------------------
 118
 119 // To put pending event handlers
 120 wxList *wxPendingEvents = (wxList *)NULL;
 121
 122 #if wxUSE_THREADS
 123     // protects wxPendingEvents list
 124     wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
 125 #endif
 126
 127 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
 128
 129 // common event types are defined here, other event types are defined by the
 130 // components which use them
 131
 132 const wxEventType wxEVT_FIRST = 10000;
 133 const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
 134
 135 DEFINE_EVENT_TYPE(wxEVT_NULL)
 136 DEFINE_EVENT_TYPE(wxEVT_IDLE)
 137 DEFINE_EVENT_TYPE(wxEVT_SOCKET)
 138
 139 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
 140
 141 #endif // wxUSE_BASE
 142
 143 #if wxUSE_GUI
 144
 145 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
 146
 147 DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
 148 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
 149 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
 150 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
 151 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
 152 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
 153 DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
 154 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
 155 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
 156 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
 157 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
 158 DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
 159 DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
 160 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
 161 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
 162 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
 163
 164 // Sockets and timers send events, too
 165 DEFINE_EVENT_TYPE(wxEVT_TIMER)
 166
 167 // Mouse event types
 168 DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
 169 DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
 170 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
 171 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
 172 DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
 173 DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
 174 DEFINE_EVENT_TYPE(wxEVT_MOTION)
 175 DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
 176 DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
 177 DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
 178 DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
 179 DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
 180 DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
 181 DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
 182 DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
 183 DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
 184
 185 // Non-client mouse events
 186 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
 187 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP)
 188 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
 189 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
 190 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
 191 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
 192 DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
 193 DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
 194 DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
 195 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
 196 DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
 197 DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
 198
 199 // Character input event type
 200 DEFINE_EVENT_TYPE(wxEVT_CHAR)
 201 DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
 202 DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
 203 DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
 204 DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
 205 #if wxUSE_HOTKEY
 206 DEFINE_EVENT_TYPE(wxEVT_HOTKEY)
 207 #endif
 208
 209 // Set cursor event
 210 DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
 211
 212 // wxScrollbar and wxSlider event identifiers
 213 DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
 214 DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
 215 DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
 216 DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
 217 DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
 218 DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
 219 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
 220 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
 221 DEFINE_EVENT_TYPE(wxEVT_SCROLL_ENDSCROLL)
 222
 223 // Scroll events from wxWindow
 224 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
 225 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
 226 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
 227 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
 228 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
 229 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
 230 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
 231 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
 232
 233 // System events
 234 DEFINE_EVENT_TYPE(wxEVT_SIZE)
 235 DEFINE_EVENT_TYPE(wxEVT_SIZING)
 236 DEFINE_EVENT_TYPE(wxEVT_MOVE)
 237 DEFINE_EVENT_TYPE(wxEVT_MOVING)
 238 DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
 239 DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
 240 DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
 241 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
 242 DEFINE_EVENT_TYPE(wxEVT_POWER)
 243 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
 244 DEFINE_EVENT_TYPE(wxEVT_CREATE)
 245 DEFINE_EVENT_TYPE(wxEVT_DESTROY)
 246 DEFINE_EVENT_TYPE(wxEVT_SHOW)
 247 DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
 248 DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
 249 DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
 250 DEFINE_EVENT_TYPE(wxEVT_PAINT)
 251 DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
 252 DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
 253 DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
 254 DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
 255 DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
 256 DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
 257 DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
 258 DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
 259 DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
 260 DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
 261 DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
 262 DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
 263 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
 264 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
 265 DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
 266 DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
 267 DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
 268 DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
 269 DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
 270 DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
 271 DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
 272 DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
 273
 274 // Generic command events
 275 // Note: a click is a higher-level event than button down/up
 276 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
 277 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
 278 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
 279 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
 280 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
 281 DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
 282 DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
 283
 284 // Help events
 285 DEFINE_EVENT_TYPE(wxEVT_HELP)
 286 DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
 287
 288 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
 289
 290 #endif // wxUSE_GUI
 291
 292 #if wxUSE_BASE
 293
 294 // ============================================================================
 295 // implementation
 296 // ============================================================================
 297
 298 // ----------------------------------------------------------------------------
 299 // event initialization
 300 // ----------------------------------------------------------------------------
 301
 302 int wxNewEventType()
 303 {
 304     // MT-FIXME
 305     static int s_lastUsedEventType = wxEVT_FIRST;
 306
 307 #if WXWIN_COMPATIBILITY_2
 308     // check that we don't overlap with the user-defined types: if it does
 309     // happen, the best solution is probably to update the existing code to
 310     // use wxNewEventType() instead of wxEVT_USER_FIRST
 311     //
 312     // due to the uncertainty
 313     wxASSERT_MSG( s_lastUsedEventType < wxEVT_USER_FIRST - 1,
 314                   _T("possible event type conflict") );
 315 #endif // WXWIN_COMPATIBILITY_2
 316
 317     return s_lastUsedEventType++;
 318 }
 319
 320 // ----------------------------------------------------------------------------
 321 // wxEvent
 322 // ----------------------------------------------------------------------------
 323
 324 /*
 325  * General wxWindows events, covering
 326  * all interesting things that might happen (button clicking, resizing,
 327  * setting text in widgets, etc.).
 328  *
 329  * For each completely new event type, derive a new event class.
 330  *
 331  */
 332
 333 wxEvent::wxEvent(int theId, wxEventType commandType )
 334 {
 335     m_eventType = commandType;
 336     m_eventObject = (wxObject *) NULL;
 337     m_timeStamp = 0;
 338     m_id = theId;
 339     m_skipped = FALSE;
 340     m_callbackUserData = (wxObject *) NULL;
 341     m_isCommandEvent = FALSE;
 342     m_propagationLevel = wxEVENT_PROPAGATE_NONE;
 343 }
 344
 345 wxEvent::wxEvent(const wxEvent &src)
 346     : wxObject()
 347     , m_eventObject(src.m_eventObject)
 348     , m_eventType(src.m_eventType)
 349     , m_timeStamp(src.m_timeStamp)
 350     , m_id(src.m_id)
 351     , m_callbackUserData(src.m_callbackUserData)
 352     , m_propagationLevel(src.m_propagationLevel)
 353     , m_skipped(src.m_skipped)
 354     , m_isCommandEvent(src.m_isCommandEvent)
 355 {
 356 }
 357
 358 #endif // wxUSE_BASE
 359
 360 #if wxUSE_GUI
 361
 362 /*
 363  * Command events
 364  *
 365  */
 366
 367 wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
 368               : wxEvent(theId, commandType)
 369 {
 370     m_clientData = (char *) NULL;
 371     m_clientObject = (wxClientData *) NULL;
 372     m_extraLong = 0;
 373     m_commandInt = 0;
 374     m_isCommandEvent = TRUE;
 375
 376     // the command events are propagated upwards by default
 377     m_propagationLevel = wxEVENT_PROPAGATE_MAX;
 378 }
 379
 380 /*
 381  * UI update events
 382  */
 383
 384 #if wxUSE_LONGLONG
 385 wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
 386 #endif
 387
 388 long wxUpdateUIEvent::sm_updateInterval = 0;
 389
 390 wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
 391
 392 // Can we update?
 393 bool wxUpdateUIEvent::CanUpdate(wxWindow* win)
 394 {
 395     // Don't update if we've switched global updating off
 396     // and this window doesn't support updates.
 397     if (win &&
 398        (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
 399        ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
 400         return FALSE;
 401
 402     if (sm_updateInterval == -1)
 403         return FALSE;
 404     else if (sm_updateInterval == 0)
 405         return TRUE;
 406     else
 407     {
 408 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
 409         wxLongLong now = wxGetLocalTimeMillis();
 410         if (now > (sm_lastUpdate + sm_updateInterval))
 411         {
 412             return TRUE;
 413         }
 414 #else
 415         // If we don't have wxStopWatch or wxLongLong, we
 416         // should err on the safe side and update now anyway.
 417         return TRUE;
 418 #endif
 419     }
 420     return FALSE;
 421 }
 422
 423 // Reset the update time to provide a delay until the next
 424 // time we should update
 425 void wxUpdateUIEvent::ResetUpdateTime()
 426 {
 427 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
 428     if (sm_updateInterval > 0)
 429     {
 430         wxLongLong now = wxGetLocalTimeMillis();
 431         if (now > (sm_lastUpdate + sm_updateInterval))
 432         {
 433             sm_lastUpdate = now;
 434         }
 435     }
 436 #endif
 437 }
 438
 439 /*
 440  * Idle events
 441  */
 442
 443 wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
 444
 445 // Can we send an idle event?
 446 bool wxIdleEvent::CanSend(wxWindow* win)
 447 {
 448     // Don't update if we've switched global updating off
 449     // and this window doesn't support updates.
 450     if (win &&
 451        (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
 452        ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
 453         return FALSE;
 454
 455     return TRUE;
 456 }
 457
 458 /*
 459  * Scroll events
 460  */
 461
 462 wxScrollEvent::wxScrollEvent(wxEventType commandType,
 463                              int id,
 464                              int pos,
 465                              int orient)
 466     : wxCommandEvent(commandType, id)
 467 {
 468     m_extraLong = orient;
 469     m_commandInt = pos;
 470 }
 471
 472 /*
 473  * ScrollWin events
 474  */
 475
 476 wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
 477                                    int pos,
 478                                    int orient)
 479 {
 480     m_eventType = commandType;
 481     m_extraLong = orient;
 482     m_commandInt = pos;
 483 }
 484
 485 /*
 486  * Mouse events
 487  *
 488  */
 489
 490 wxMouseEvent::wxMouseEvent(wxEventType commandType)
 491 {
 492     m_eventType = commandType;
 493     m_metaDown = FALSE;
 494     m_altDown = FALSE;
 495     m_controlDown = FALSE;
 496     m_shiftDown = FALSE;
 497     m_leftDown = FALSE;
 498     m_rightDown = FALSE;
 499     m_middleDown = FALSE;
 500     m_x = 0;
 501     m_y = 0;
 502     m_wheelRotation = 0;
 503     m_wheelDelta = 0;
 504     m_linesPerAction = 0;
 505 }
 506
 507 void wxMouseEvent::Assign(const wxMouseEvent& event)
 508 {
 509     m_eventType = event.m_eventType;
 510
 511     m_x = event.m_x;
 512     m_y = event.m_y;
 513
 514     m_leftDown = event.m_leftDown;
 515     m_middleDown = event.m_middleDown;
 516     m_rightDown = event.m_rightDown;
 517
 518     m_controlDown = event.m_controlDown;
 519     m_shiftDown = event.m_shiftDown;
 520     m_altDown = event.m_altDown;
 521     m_metaDown = event.m_metaDown;
 522
 523     m_wheelRotation = event.m_wheelRotation;
 524     m_wheelDelta = event.m_wheelDelta;
 525     m_linesPerAction = event.m_linesPerAction;
 526 }
 527
 528 // True if was a button dclick event (1 = left, 2 = middle, 3 = right)
 529 // or any button dclick event (but = -1)
 530 bool wxMouseEvent::ButtonDClick(int but) const
 531 {
 532     switch (but)
 533     {
 534         case -1:
 535             return (LeftDClick() || MiddleDClick() || RightDClick());
 536         case 1:
 537             return LeftDClick();
 538         case 2:
 539             return MiddleDClick();
 540         case 3:
 541             return RightDClick();
 542         default:
 543             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
 544     }
 545
 546     return FALSE;
 547 }
 548
 549 // True if was a button down event (1 = left, 2 = middle, 3 = right)
 550 // or any button down event (but = -1)
 551 bool wxMouseEvent::ButtonDown(int but) const
 552 {
 553     switch (but)
 554     {
 555         case -1:
 556             return (LeftDown() || MiddleDown() || RightDown());
 557         case 1:
 558             return LeftDown();
 559         case 2:
 560             return MiddleDown();
 561         case 3:
 562             return RightDown();
 563         default:
 564             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
 565     }
 566
 567     return FALSE;
 568 }
 569
 570 // True if was a button up event (1 = left, 2 = middle, 3 = right)
 571 // or any button up event (but = -1)
 572 bool wxMouseEvent::ButtonUp(int but) const
 573 {
 574     switch (but)
 575     {
 576         case -1:
 577             return (LeftUp() || MiddleUp() || RightUp());
 578         case 1:
 579             return LeftUp();
 580         case 2:
 581             return MiddleUp();
 582         case 3:
 583             return RightUp();
 584         default:
 585             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
 586     }
 587
 588     return FALSE;
 589 }
 590
 591 // True if the given button is currently changing state
 592 bool wxMouseEvent::Button(int but) const
 593 {
 594     switch (but)
 595     {
 596         case -1:
 597             return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1));
 598         case 1:
 599             return (LeftDown() || LeftUp() || LeftDClick());
 600         case 2:
 601             return (MiddleDown() || MiddleUp() || MiddleDClick());
 602         case 3:
 603             return (RightDown() || RightUp() || RightDClick());
 604         default:
 605             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
 606     }
 607
 608     return FALSE;
 609 }
 610
 611 bool wxMouseEvent::ButtonIsDown(int but) const
 612 {
 613     switch (but)
 614     {
 615         case -1:
 616             return (LeftIsDown() || MiddleIsDown() || RightIsDown());
 617         case 1:
 618             return LeftIsDown();
 619         case 2:
 620             return MiddleIsDown();
 621         case 3:
 622             return RightIsDown();
 623         default:
 624             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
 625     }
 626
 627     return FALSE;
 628 }
 629
 630 int wxMouseEvent::GetButton() const
 631 {
 632     for ( int i = 1; i <= 3; i++ )
 633     {
 634         if ( Button(i) )
 635         {
 636             return i;
 637         }
 638     }
 639
 640     return -1;
 641 }
 642
 643 // Find the logical position of the event given the DC
 644 wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
 645 {
 646     wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
 647     return pt;
 648 }
 649
 650
 651 /*
 652  * Keyboard event
 653  *
 654  */
 655
 656 wxKeyEvent::wxKeyEvent(wxEventType type)
 657 {
 658     m_eventType = type;
 659     m_shiftDown = FALSE;
 660     m_controlDown = FALSE;
 661     m_metaDown = FALSE;
 662     m_altDown = FALSE;
 663     m_keyCode = 0;
 664     m_scanCode = 0;
 665 #if wxUSE_UNICODE
 666     m_uniChar = 0;
 667 #endif
 668 }
 669
 670 wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
 671     : wxEvent(evt)
 672 {
 673     m_x = evt.m_x;
 674     m_y = evt.m_y;
 675
 676     m_keyCode = evt.m_keyCode;
 677
 678     m_controlDown = evt.m_controlDown;
 679     m_shiftDown = evt.m_shiftDown;
 680     m_altDown = evt.m_altDown;
 681     m_metaDown = evt.m_metaDown;
 682     m_scanCode = evt.m_scanCode;
 683     m_rawCode = evt.m_rawCode;
 684     m_rawFlags = evt.m_rawFlags;
 685
 686 #if wxUSE_UNICODE
 687     m_uniChar = evt.m_uniChar;
 688 #endif
 689 }
 690
 691 long wxKeyEvent::KeyCode() const
 692 {
 693     return m_keyCode;
 694 }
 695
 696 wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
 697 {
 698     SetEventType(wxEVT_CREATE);
 699     SetEventObject(win);
 700 }
 701
 702 wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
 703 {
 704     SetEventType(wxEVT_DESTROY);
 705     SetEventObject(win);
 706 }
 707
 708 wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
 709                  : wxCommandEvent(wxEVT_CHILD_FOCUS)
 710 {
 711     SetEventObject(win);
 712 }
 713
 714 #endif // wxUSE_GUI
 715
 716
 717 #if wxUSE_BASE
 718
 719 // ----------------------------------------------------------------------------
 720 // wxEventHashTable
 721 // ----------------------------------------------------------------------------
 722
 723 static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not to big not to small...
 724
 725 wxEventHashTable::wxEventHashTable(const wxEventTable &table)
 726                 : m_table(table),
 727                   m_rebuildHash(TRUE)
 728 {
 729     AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
 730 }
 731
 732 wxEventHashTable::~wxEventHashTable()
 733 {
 734     size_t i;
 735     for(i = 0; i < m_size; i++)
 736     {
 737         EventTypeTablePointer  eTTnode = m_eventTypeTable[i];
 738         if (eTTnode)
 739         {
 740             delete eTTnode;
 741         }
 742     }
 743
 744     delete[] m_eventTypeTable;
 745 }
 746
 747 bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
 748 {
 749     if (m_rebuildHash)
 750     {
 751         InitHashTable();
 752         m_rebuildHash = FALSE;
 753     }
 754
 755     // Find all entries for the given event type.
 756     wxEventType eventType = event.GetEventType();
 757     const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
 758     if (eTTnode && eTTnode->eventType == eventType)
 759     {
 760         // Now start the search for an event handler
 761         // that can handle an event with the given ID.
 762         int eventId = event.GetId();
 763         const wxEventTableEntryPointerArray &eventEntryTable = eTTnode->eventEntryTable;
 764
 765         size_t n;
 766         size_t count = eventEntryTable.GetCount();
 767         for (n = 0; n < count; n++)
 768         {
 769             const wxEventTableEntry* entry = eventEntryTable[n];
 770             int tableId1 = entry->m_id,
 771                 tableId2 = entry->m_lastId;
 772
 773             if ((tableId1 == -1) ||
 774                 (tableId2 == -1 && tableId1 == eventId) ||
 775                 (tableId2 != -1 &&
 776                  (eventId >= tableId1 && eventId <= tableId2)))
 777             {
 778                 event.Skip(FALSE);
 779                 event.m_callbackUserData = entry->m_callbackUserData;
 780
 781                 (self->*((wxEventFunction) (entry->m_fn)))(event);
 782
 783                 if (!event.GetSkipped())
 784                     return TRUE;
 785             }
 786         }
 787
 788         return FALSE;
 789     }
 790
 791     return FALSE;
 792 }
 793
 794 void wxEventHashTable::InitHashTable()
 795 {
 796     // Loop over the event tables and all its base tables.
 797     const wxEventTable *table = &m_table;
 798     while (table)
 799     {
 800         // Retrieve all valid event handler entries
 801         const wxEventTableEntry *entry = table->entries;
 802         while (entry->m_fn != 0)
 803         {
 804             // Add the event entry in the Hash.
 805             AddEntry(*entry);
 806
 807             entry++;
 808         }
 809
 810         table = table->baseTable;
 811     }
 812
 813     // Lets free some memory.
 814     size_t i;
 815     for(i = 0; i < m_size; i++)
 816     {
 817         EventTypeTablePointer  eTTnode = m_eventTypeTable[i];
 818         if (eTTnode)
 819         {
 820             eTTnode->eventEntryTable.Shrink();
 821         }
 822     }
 823 }
 824
 825 void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
 826 {
 827     EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
 828     EventTypeTablePointer  eTTnode = *peTTnode;
 829
 830     if (eTTnode)
 831     {
 832         if (eTTnode->eventType != entry.m_eventType)
 833         {
 834             // Resize the table!
 835             GrowEventTypeTable();
 836             // Try again to add it.
 837             AddEntry(entry);
 838             return;
 839         }
 840     }
 841     else
 842     {
 843         eTTnode = new EventTypeTable;
 844         eTTnode->eventType = entry.m_eventType;
 845         *peTTnode = eTTnode;
 846     }
 847
 848     // Fill all hash entries between entry.m_id and entry.m_lastId...
 849     eTTnode->eventEntryTable.Add(&entry);
 850 }
 851
 852 void wxEventHashTable::AllocEventTypeTable(size_t size)
 853 {
 854     m_eventTypeTable = new EventTypeTablePointer[size];
 855     memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
 856     m_size = size;
 857 }
 858
 859 void wxEventHashTable::GrowEventTypeTable()
 860 {
 861     size_t oldSize = m_size;
 862     EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
 863
 864     // TODO: Search the most optimal grow sequence
 865     AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
 866
 867     for ( size_t i = 0; i < oldSize; /* */ )
 868     {
 869         EventTypeTablePointer  eTToldNode = oldEventTypeTable[i];
 870         if (eTToldNode)
 871         {
 872             EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
 873             EventTypeTablePointer  eTTnode = *peTTnode;
 874
 875             // Check for collision, we don't want any.
 876             if (eTTnode)
 877             {
 878                 GrowEventTypeTable();
 879                 continue; // Don't increment the counter,
 880                           // as we still need to add this element.
 881             }
 882             else
 883             {
 884                 // Get the old value and put it in the new table.
 885                 *peTTnode = oldEventTypeTable[i];
 886             }
 887         }
 888
 889         i++;
 890     }
 891
 892     delete[] oldEventTypeTable;
 893 }
 894
 895 // ----------------------------------------------------------------------------
 896 // wxEvtHandler
 897 // ----------------------------------------------------------------------------
 898
 899 /*
 900  * Event handler
 901  */
 902
 903 wxEvtHandler::wxEvtHandler()
 904 {
 905     m_nextHandler = (wxEvtHandler *) NULL;
 906     m_previousHandler = (wxEvtHandler *) NULL;
 907     m_enabled = TRUE;
 908     m_dynamicEvents = (wxList *) NULL;
 909     m_pendingEvents = (wxList *) NULL;
 910 #if wxUSE_THREADS
 911 #  if !defined(__VISAGECPP__)
 912     m_eventsLocker = new wxCriticalSection;
 913 #  endif
 914 #endif
 915     // no client data (yet)
 916     m_clientData = NULL;
 917     m_clientDataType = wxClientData_None;
 918 }
 919
 920 wxEvtHandler::~wxEvtHandler()
 921 {
 922     // Takes itself out of the list of handlers
 923     if (m_previousHandler)
 924         m_previousHandler->m_nextHandler = m_nextHandler;
 925
 926     if (m_nextHandler)
 927         m_nextHandler->m_previousHandler = m_previousHandler;
 928
 929     if (m_dynamicEvents)
 930     {
 931         wxList::iterator it = m_dynamicEvents->begin(),
 932                          en = m_dynamicEvents->end();
 933         for (;it != en; ++it)
 934         {
 935 #if WXWIN_COMPATIBILITY_EVENT_TYPES
 936             wxEventTableEntry *entry = (wxEventTableEntry*)*it;
 937 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
 938             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
 939 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
 940
 941             if (entry->m_callbackUserData)
 942                 delete entry->m_callbackUserData;
 943             delete entry;
 944         }
 945         delete m_dynamicEvents;
 946     };
 947
 948     delete m_pendingEvents;
 949
 950 #if wxUSE_THREADS
 951 #  if !defined(__VISAGECPP__)
 952     delete m_eventsLocker;
 953 #  endif
 954
 955     // Remove us from wxPendingEvents if necessary.
 956     if(wxPendingEventsLocker)
 957         wxENTER_CRIT_SECT(*wxPendingEventsLocker);
 958     if ( wxPendingEvents ) {
 959         wxPendingEvents->DeleteObject(this);
 960     }
 961     if(wxPendingEventsLocker)
 962         wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
 963 #endif
 964
 965     // we only delete object data, not untyped
 966     if ( m_clientDataType == wxClientData_Object )
 967         delete m_clientObject;
 968 }
 969
 970 #if wxUSE_THREADS
 971
 972 bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
 973 {
 974     // check that we are really in a child thread
 975     wxASSERT_MSG( !wxThread::IsMain(),
 976                   wxT("use ProcessEvent() in main thread") );
 977
 978     AddPendingEvent(event);
 979
 980     return TRUE;
 981 }
 982
 983 #endif // wxUSE_THREADS
 984
 985 void wxEvtHandler::AddPendingEvent(wxEvent& event)
 986 {
 987     // 1) Add event to list of pending events of this event handler
 988
 989     wxEvent *eventCopy = event.Clone();
 990
 991     // we must be able to copy the events here so the event class must
 992     // implement Clone() properly instead of just providing a NULL stab for it
 993     wxCHECK_RET( eventCopy,
 994                  _T("events of this type aren't supposed to be posted") );
 995
 996 #if defined(__VISAGECPP__)
 997     wxENTER_CRIT_SECT( m_eventsLocker);
 998 #else
 999     wxENTER_CRIT_SECT( *m_eventsLocker);
1000 #endif
1001
1002     if ( !m_pendingEvents )
1003       m_pendingEvents = new wxList;
1004
1005     m_pendingEvents->Append(eventCopy);
1006
1007 #if defined(__VISAGECPP__)
1008     wxLEAVE_CRIT_SECT( m_eventsLocker);
1009 #else
1010     wxLEAVE_CRIT_SECT( *m_eventsLocker);
1011 #endif
1012
1013     // 2) Add this event handler to list of event handlers that
1014     //    have pending events.
1015
1016     wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1017
1018     if ( !wxPendingEvents )
1019         wxPendingEvents = new wxList;
1020     wxPendingEvents->Append(this);
1021
1022     wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1023
1024     // 3) Inform the system that new pending events are somwehere,
1025     //    and that these should be processed in idle time.
1026     wxWakeUpIdle();
1027 }
1028
1029 void wxEvtHandler::ProcessPendingEvents()
1030 {
1031 #if defined(__VISAGECPP__)
1032     wxENTER_CRIT_SECT( m_eventsLocker);
1033 #else
1034     wxENTER_CRIT_SECT( *m_eventsLocker);
1035 #endif
1036
1037     wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
1038     while ( node )
1039     {
1040         wxEvent *event = (wxEvent *)node->GetData();
1041         m_pendingEvents->Erase(node);
1042
1043         // In ProcessEvent, new events might get added and
1044         // we can safely leave the crtical section here.
1045 #if defined(__VISAGECPP__)
1046         wxLEAVE_CRIT_SECT( m_eventsLocker);
1047 #else
1048         wxLEAVE_CRIT_SECT( *m_eventsLocker);
1049 #endif
1050         ProcessEvent(*event);
1051         delete event;
1052 #if defined(__VISAGECPP__)
1053         wxENTER_CRIT_SECT( m_eventsLocker);
1054 #else
1055         wxENTER_CRIT_SECT( *m_eventsLocker);
1056 #endif
1057
1058         node = m_pendingEvents->GetFirst();
1059     }
1060
1061 #if defined(__VISAGECPP__)
1062     wxLEAVE_CRIT_SECT( m_eventsLocker);
1063 #else
1064     wxLEAVE_CRIT_SECT( *m_eventsLocker);
1065 #endif
1066 }
1067
1068 /*
1069  * Event table stuff
1070  */
1071
1072 bool wxEvtHandler::TryParent(wxEvent& event)
1073 {
1074     if ( wxTheApp && (this != wxTheApp) )
1075     {
1076         // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1077         // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1078         // processed appropriately via SearchEventTable.
1079         if ( event.GetEventType() != wxEVT_IDLE )
1080         {
1081             if ( wxTheApp->ProcessEvent(event) )
1082                 return TRUE;
1083         }
1084     }
1085
1086     return FALSE;
1087 }
1088
1089 bool wxEvtHandler::ProcessEvent(wxEvent& event)
1090 {
1091     // allow the application to hook into event processing
1092     if ( wxTheApp )
1093     {
1094         int rc = wxTheApp->FilterEvent(event);
1095         if ( rc != -1 )
1096         {
1097             wxASSERT_MSG( rc == 1 || rc == 0,
1098                           _T("unexpected wxApp::FilterEvent return value") );
1099
1100             return rc != 0;
1101         }
1102         //else: proceed normally
1103     }
1104
1105     // An event handler can be enabled or disabled
1106     if ( GetEvtHandlerEnabled() )
1107     {
1108         // if we have a validator, it has higher priority than our own event
1109         // table
1110 #if wxUSE_VALIDATORS
1111         if ( TryValidator(event) )
1112             return TRUE;
1113 #endif // wxUSE_VALIDATORS
1114
1115         // Handle per-instance dynamic event tables first
1116         if ( m_dynamicEvents && SearchDynamicEventTable(event) )
1117             return TRUE;
1118
1119         // Then static per-class event tables
1120         if ( GetEventHashTable().HandleEvent(event, this) )
1121             return TRUE;
1122     }
1123
1124     // Try going down the event handler chain
1125     if ( GetNextHandler() )
1126     {
1127         if ( GetNextHandler()->ProcessEvent(event) )
1128             return TRUE;
1129     }
1130
1131     // Finally propagate the event upwards the window chain and/or to the
1132     // application object as necessary
1133     return TryParent(event);
1134 }
1135
1136
1137 bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
1138 {
1139     wxEventType eventType = event.GetEventType();
1140     int eventId = event.GetId();
1141
1142     // BC++ doesn't like testing for m_fn without != 0
1143     for ( int i = 0; table.entries[i].m_fn != 0; i++ )
1144     {
1145         // the line using reference exposes a bug in gcc: although it _seems_
1146         // to work, it leads to weird crashes later on during program
1147         // execution
1148 #ifdef __GNUG__
1149         wxEventTableEntry entry = table.entries[i];
1150 #else
1151         const wxEventTableEntry& entry = table.entries[i];
1152 #endif
1153
1154         // match only if the event type is the same and the id is either -1 in
1155         // the event table (meaning "any") or the event id matches the id
1156         // specified in the event table either exactly or by falling into
1157         // range between first and last
1158         if ( eventType == entry.m_eventType )
1159         {
1160             int tableId1 = entry.m_id,
1161                 tableId2 = entry.m_lastId;
1162
1163             if ( (tableId1 == -1) ||
1164                  (tableId2 == -1 && eventId == tableId1) ||
1165                  (tableId2 != -1 &&
1166                     (eventId >= tableId1 && eventId <= tableId2)) )
1167             {
1168                 event.Skip(FALSE);
1169                 event.m_callbackUserData = entry.m_callbackUserData;
1170
1171                 (this->*((wxEventFunction) (entry.m_fn)))(event);
1172
1173                 return !event.GetSkipped();
1174             }
1175         }
1176     }
1177
1178     return FALSE;
1179 }
1180
1181 void wxEvtHandler::Connect( int id, int lastId,
1182                             int eventType,
1183                             wxObjectEventFunction func,
1184                             wxObject *userData,
1185                             wxEvtHandler* eventSink )
1186 {
1187 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1188     wxEventTableEntry *entry = new wxEventTableEntry;
1189     entry->m_eventType = eventType;
1190     entry->m_id = id;
1191     entry->m_lastId = lastId;
1192     entry->m_fn = func;
1193     entry->m_callbackUserData = userData;
1194 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1195     wxDynamicEventTableEntry *entry =
1196         new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
1197 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1198
1199     if (!m_dynamicEvents)
1200         m_dynamicEvents = new wxList;
1201
1202     // Insert at the front of the list so most recent additions are found first
1203     m_dynamicEvents->Insert( (wxObject*) entry );
1204 }
1205
1206 bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
1207                   wxObjectEventFunction func,
1208                   wxObject *userData,
1209                   wxEvtHandler* eventSink )
1210 {
1211     if (!m_dynamicEvents)
1212         return FALSE;
1213
1214     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1215     while (node)
1216     {
1217 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1218             wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1219 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1220             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1221 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1222
1223         if ((entry->m_id == id) &&
1224             ((entry->m_lastId == lastId) || (lastId == -1)) &&
1225             ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
1226             ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
1227             ((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
1228             ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
1229         {
1230             if (entry->m_callbackUserData)
1231                 delete entry->m_callbackUserData;
1232             m_dynamicEvents->Erase( node );
1233             delete entry;
1234             return TRUE;
1235         }
1236         node = node->GetNext();
1237     }
1238     return FALSE;
1239 }
1240
1241 bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
1242 {
1243     wxCHECK_MSG( m_dynamicEvents, FALSE,
1244                  wxT("caller should check that we have dynamic events") );
1245
1246     int commandId = event.GetId();
1247
1248     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1249     while (node)
1250     {
1251 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1252             wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1253 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1254             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1255 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1256
1257         if (entry->m_fn)
1258         {
1259             // Match, if event spec says any id will do (id == -1)
1260             if ( (event.GetEventType() == entry->m_eventType) &&
1261                  (entry->m_id == -1 ||
1262                   (entry->m_lastId == -1 && commandId == entry->m_id) ||
1263                   (entry->m_lastId != -1 &&
1264                   (commandId >= entry->m_id && commandId <= entry->m_lastId))) )
1265             {
1266                 event.Skip(FALSE);
1267                 event.m_callbackUserData = entry->m_callbackUserData;
1268
1269 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
1270                 if (entry->m_eventSink)
1271                     ((entry->m_eventSink)->*((wxEventFunction) (entry->m_fn)))(event);
1272                 else
1273 #endif
1274                     (this->*((wxEventFunction) (entry->m_fn)))(event);
1275
1276                 if ( ! event.GetSkipped() )
1277                     return TRUE;
1278             }
1279         }
1280         node = node->GetNext();
1281     }
1282     return FALSE;
1283 };
1284
1285 void wxEvtHandler::DoSetClientObject( wxClientData *data )
1286 {
1287     wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1288                   wxT("can't have both object and void client data") );
1289
1290     if ( m_clientObject )
1291         delete m_clientObject;
1292
1293     m_clientObject = data;
1294     m_clientDataType = wxClientData_Object;
1295 }
1296
1297 wxClientData *wxEvtHandler::DoGetClientObject() const
1298 {
1299     // it's not an error to call GetClientObject() on a window which doesn't
1300     // have client data at all - NULL will be returned
1301     wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1302                   wxT("this window doesn't have object client data") );
1303
1304     return m_clientObject;
1305 }
1306
1307 void wxEvtHandler::DoSetClientData( void *data )
1308 {
1309     wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1310                   wxT("can't have both object and void client data") );
1311
1312     m_clientData = data;
1313     m_clientDataType = wxClientData_Void;
1314 }
1315
1316 void *wxEvtHandler::DoGetClientData() const
1317 {
1318     // it's not an error to call GetClientData() on a window which doesn't have
1319     // client data at all - NULL will be returned
1320     wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1321                   wxT("this window doesn't have void client data") );
1322
1323     return m_clientData;
1324 }
1325
1326
1327 #if WXWIN_COMPATIBILITY
1328 bool wxEvtHandler::OnClose()
1329 {
1330     if (GetNextHandler())
1331         return GetNextHandler()->OnClose();
1332     else
1333         return FALSE;
1334 }
1335 #endif // WXWIN_COMPATIBILITY
1336
1337 #endif // wxUSE_BASE
1338
1339 #if wxUSE_GUI
1340
1341 // Find a window with the focus, that is also a descendant of the given window.
1342 // This is used to determine the window to initially send commands to.
1343 wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1344 {
1345     // Process events starting with the window with the focus, if any.
1346     wxWindow* focusWin = wxWindow::FindFocus();
1347     wxWindow* win = focusWin;
1348
1349     // Check if this is a descendant of this frame.
1350     // If not, win will be set to NULL.
1351     while (win)
1352     {
1353         if (win == ancestor)
1354             break;
1355         else
1356             win = win->GetParent();
1357     }
1358     if (win == (wxWindow*) NULL)
1359         focusWin = (wxWindow*) NULL;
1360
1361     return focusWin;
1362 }
1363
1364 #endif // wxUSE_GUI