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_ENDSCROLL)
 249
 250 // Scroll events from wxWindow
 251 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
 252 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
 253 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
 254 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
 255 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
 256 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
 257 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
 258 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
 259
 260 // System events
 261 DEFINE_EVENT_TYPE(wxEVT_SIZE)
 262 DEFINE_EVENT_TYPE(wxEVT_SIZING)
 263 DEFINE_EVENT_TYPE(wxEVT_MOVE)
 264 DEFINE_EVENT_TYPE(wxEVT_MOVING)
 265 DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
 266 DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
 267 DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
 268 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
 269 DEFINE_EVENT_TYPE(wxEVT_POWER)
 270 DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
 271 DEFINE_EVENT_TYPE(wxEVT_CREATE)
 272 DEFINE_EVENT_TYPE(wxEVT_DESTROY)
 273 DEFINE_EVENT_TYPE(wxEVT_SHOW)
 274 DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
 275 DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
 276 DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
 277 DEFINE_EVENT_TYPE(wxEVT_PAINT)
 278 DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
 279 DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
 280 DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
 281 DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
 282 DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
 283 DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
 284 DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
 285 DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
 286 DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
 287 DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
 288 DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
 289 DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
 290 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
 291 DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
 292 DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
 293 DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
 294 DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
 295 DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
 296 DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
 297 DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
 298 DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
 299 DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
 300
 301 // Generic command events
 302 // Note: a click is a higher-level event than button down/up
 303 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
 304 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
 305 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
 306 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
 307 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
 308 DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
 309 DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
 310
 311 // Help events
 312 DEFINE_EVENT_TYPE(wxEVT_HELP)
 313 DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
 314
 315 #endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
 316
 317 #endif // wxUSE_GUI
 318
 319 #if wxUSE_BASE
 320
 321 // ============================================================================
 322 // implementation
 323 // ============================================================================
 324
 325 // ----------------------------------------------------------------------------
 326 // event initialization
 327 // ----------------------------------------------------------------------------
 328
 329 int wxNewEventType()
 330 {
 331     // MT-FIXME
 332     static int s_lastUsedEventType = wxEVT_FIRST;
 333
 334     return s_lastUsedEventType++;
 335 }
 336
 337 // ----------------------------------------------------------------------------
 338 // wxEvent
 339 // ----------------------------------------------------------------------------
 340
 341 /*
 342  * General wxWidgets events, covering
 343  * all interesting things that might happen (button clicking, resizing,
 344  * setting text in widgets, etc.).
 345  *
 346  * For each completely new event type, derive a new event class.
 347  *
 348  */
 349
 350 wxEvent::wxEvent(int theId, wxEventType commandType )
 351 {
 352     m_eventType = commandType;
 353     m_eventObject = (wxObject *) NULL;
 354     m_timeStamp = 0;
 355     m_id = theId;
 356     m_skipped = false;
 357     m_callbackUserData = (wxObject *) NULL;
 358     m_isCommandEvent = false;
 359     m_propagationLevel = wxEVENT_PROPAGATE_NONE;
 360 }
 361
 362 wxEvent::wxEvent(const wxEvent &src)
 363     : wxObject()
 364     , m_eventObject(src.m_eventObject)
 365     , m_eventType(src.m_eventType)
 366     , m_timeStamp(src.m_timeStamp)
 367     , m_id(src.m_id)
 368     , m_callbackUserData(src.m_callbackUserData)
 369     , m_propagationLevel(src.m_propagationLevel)
 370     , m_skipped(src.m_skipped)
 371     , m_isCommandEvent(src.m_isCommandEvent)
 372 {
 373 }
 374
 375 #endif // wxUSE_BASE
 376
 377 #if wxUSE_GUI
 378
 379 /*
 380  * Command events
 381  *
 382  */
 383
 384 wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
 385               : wxEvent(theId, commandType)
 386 #if WXWIN_COMPATIBILITY_2_4
 387               , m_commandString(this)
 388 #endif
 389 {
 390     m_clientData = (char *) NULL;
 391     m_clientObject = (wxClientData *) NULL;
 392     m_extraLong = 0;
 393     m_commandInt = 0;
 394     m_isCommandEvent = true;
 395
 396     // the command events are propagated upwards by default
 397     m_propagationLevel = wxEVENT_PROPAGATE_MAX;
 398 }
 399
 400 wxString wxCommandEvent::GetString() const
 401 {
 402     if(m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
 403         return m_cmdString;
 404     else
 405     {
 406         wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl);
 407         if(txt)
 408             return txt->GetValue();
 409         else
 410             return m_cmdString;
 411     }
 412 }
 413
 414 /*
 415  * UI update events
 416  */
 417
 418 #if wxUSE_LONGLONG
 419 wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
 420 #endif
 421
 422 long wxUpdateUIEvent::sm_updateInterval = 0;
 423
 424 wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
 425
 426 // Can we update?
 427 bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win)
 428 {
 429     // Don't update if we've switched global updating off
 430     // and this window doesn't support updates.
 431     if (win &&
 432        (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
 433        ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
 434         return false;
 435
 436     if (sm_updateInterval == -1)
 437         return false;
 438
 439     if (sm_updateInterval == 0)
 440         return true;
 441
 442 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
 443     wxLongLong now = wxGetLocalTimeMillis();
 444     if (now > (sm_lastUpdate + sm_updateInterval))
 445     {
 446         return true;
 447     }
 448
 449     return false;
 450 #else
 451     // If we don't have wxStopWatch or wxLongLong, we
 452     // should err on the safe side and update now anyway.
 453     return true;
 454 #endif
 455 }
 456
 457 // Reset the update time to provide a delay until the next
 458 // time we should update
 459 void wxUpdateUIEvent::ResetUpdateTime()
 460 {
 461 #if wxUSE_STOPWATCH && wxUSE_LONGLONG
 462     if (sm_updateInterval > 0)
 463     {
 464         wxLongLong now = wxGetLocalTimeMillis();
 465         if (now > (sm_lastUpdate + sm_updateInterval))
 466         {
 467             sm_lastUpdate = now;
 468         }
 469     }
 470 #endif
 471 }
 472
 473 /*
 474  * Idle events
 475  */
 476
 477 wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
 478
 479 // Can we send an idle event?
 480 bool wxIdleEvent::CanSend(wxWindow* win)
 481 {
 482     // Don't update if we've switched global updating off
 483     // and this window doesn't support updates.
 484     if (win &&
 485        (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
 486        ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
 487         return false;
 488
 489     return true;
 490 }
 491
 492 /*
 493  * Scroll events
 494  */
 495
 496 wxScrollEvent::wxScrollEvent(wxEventType commandType,
 497                              int id,
 498                              int pos,
 499                              int orient)
 500     : wxCommandEvent(commandType, id)
 501 {
 502     m_extraLong = orient;
 503     m_commandInt = pos;
 504 }
 505
 506 /*
 507  * ScrollWin events
 508  */
 509
 510 wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
 511                                    int pos,
 512                                    int orient)
 513 {
 514     m_eventType = commandType;
 515     m_extraLong = orient;
 516     m_commandInt = pos;
 517 }
 518
 519 /*
 520  * Mouse events
 521  *
 522  */
 523
 524 wxMouseEvent::wxMouseEvent(wxEventType commandType)
 525 {
 526     m_eventType = commandType;
 527     m_metaDown = false;
 528     m_altDown = false;
 529     m_controlDown = false;
 530     m_shiftDown = false;
 531     m_leftDown = false;
 532     m_rightDown = false;
 533     m_middleDown = false;
 534     m_x = 0;
 535     m_y = 0;
 536     m_wheelRotation = 0;
 537     m_wheelDelta = 0;
 538     m_linesPerAction = 0;
 539 }
 540
 541 void wxMouseEvent::Assign(const wxMouseEvent& event)
 542 {
 543     m_eventType = event.m_eventType;
 544
 545     m_x = event.m_x;
 546     m_y = event.m_y;
 547
 548     m_leftDown = event.m_leftDown;
 549     m_middleDown = event.m_middleDown;
 550     m_rightDown = event.m_rightDown;
 551
 552     m_controlDown = event.m_controlDown;
 553     m_shiftDown = event.m_shiftDown;
 554     m_altDown = event.m_altDown;
 555     m_metaDown = event.m_metaDown;
 556
 557     m_wheelRotation = event.m_wheelRotation;
 558     m_wheelDelta = event.m_wheelDelta;
 559     m_linesPerAction = event.m_linesPerAction;
 560 }
 561
 562 // return true if was a button dclick event
 563 bool wxMouseEvent::ButtonDClick(int but) const
 564 {
 565     switch (but)
 566     {
 567         default:
 568             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
 569             // fall through
 570
 571         case wxMOUSE_BTN_ANY:
 572             return (LeftDClick() || MiddleDClick() || RightDClick());
 573
 574         case wxMOUSE_BTN_LEFT:
 575             return LeftDClick();
 576
 577         case wxMOUSE_BTN_MIDDLE:
 578             return MiddleDClick();
 579
 580         case wxMOUSE_BTN_RIGHT:
 581             return RightDClick();
 582     }
 583 }
 584
 585 // return true if was a button down event
 586 bool wxMouseEvent::ButtonDown(int but) const
 587 {
 588     switch (but)
 589     {
 590         default:
 591             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
 592             // fall through
 593
 594         case wxMOUSE_BTN_ANY:
 595             return (LeftDown() || MiddleDown() || RightDown());
 596
 597         case wxMOUSE_BTN_LEFT:
 598             return LeftDown();
 599
 600         case wxMOUSE_BTN_MIDDLE:
 601             return MiddleDown();
 602
 603         case wxMOUSE_BTN_RIGHT:
 604             return RightDown();
 605     }
 606 }
 607
 608 // return true if was a button up event
 609 bool wxMouseEvent::ButtonUp(int but) const
 610 {
 611     switch (but)
 612     {
 613         default:
 614             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
 615             // fall through
 616
 617         case wxMOUSE_BTN_ANY:
 618             return (LeftUp() || MiddleUp() || RightUp());
 619
 620         case wxMOUSE_BTN_LEFT:
 621             return LeftUp();
 622
 623         case wxMOUSE_BTN_MIDDLE:
 624             return MiddleUp();
 625
 626         case wxMOUSE_BTN_RIGHT:
 627             return RightUp();
 628     }
 629 }
 630
 631 // return true if the given button is currently changing state
 632 bool wxMouseEvent::Button(int but) const
 633 {
 634     switch (but)
 635     {
 636         default:
 637             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
 638             // fall through
 639
 640         case wxMOUSE_BTN_ANY:
 641             return ButtonUp(wxMOUSE_BTN_ANY) ||
 642                     ButtonDown(wxMOUSE_BTN_ANY) ||
 643                         ButtonDClick(wxMOUSE_BTN_ANY);
 644
 645         case wxMOUSE_BTN_LEFT:
 646             return LeftDown() || LeftUp() || LeftDClick();
 647
 648         case wxMOUSE_BTN_MIDDLE:
 649             return MiddleDown() || MiddleUp() || MiddleDClick();
 650
 651         case wxMOUSE_BTN_RIGHT:
 652             return RightDown() || RightUp() || RightDClick();
 653     }
 654 }
 655
 656 bool wxMouseEvent::ButtonIsDown(int but) const
 657 {
 658     switch (but)
 659     {
 660         default:
 661             wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
 662             // fall through
 663
 664         case wxMOUSE_BTN_ANY:
 665             return LeftIsDown() || MiddleIsDown() || RightIsDown();
 666
 667         case wxMOUSE_BTN_LEFT:
 668             return LeftIsDown();
 669
 670         case wxMOUSE_BTN_MIDDLE:
 671             return MiddleIsDown();
 672
 673         case wxMOUSE_BTN_RIGHT:
 674             return RightIsDown();
 675     }
 676 }
 677
 678 int wxMouseEvent::GetButton() const
 679 {
 680     for ( int i = 1; i <= 3; i++ )
 681     {
 682         if ( Button(i) )
 683         {
 684             return i;
 685         }
 686     }
 687
 688     return wxMOUSE_BTN_NONE;
 689 }
 690
 691 // Find the logical position of the event given the DC
 692 wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
 693 {
 694     wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
 695     return pt;
 696 }
 697
 698
 699 /*
 700  * Keyboard event
 701  *
 702  */
 703
 704 wxKeyEvent::wxKeyEvent(wxEventType type)
 705 {
 706     m_eventType = type;
 707     m_shiftDown = false;
 708     m_controlDown = false;
 709     m_metaDown = false;
 710     m_altDown = false;
 711     m_keyCode = 0;
 712     m_scanCode = 0;
 713 #if wxUSE_UNICODE
 714     m_uniChar = 0;
 715 #endif
 716 }
 717
 718 wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
 719     : wxEvent(evt)
 720 {
 721     m_x = evt.m_x;
 722     m_y = evt.m_y;
 723
 724     m_keyCode = evt.m_keyCode;
 725
 726     m_controlDown = evt.m_controlDown;
 727     m_shiftDown = evt.m_shiftDown;
 728     m_altDown = evt.m_altDown;
 729     m_metaDown = evt.m_metaDown;
 730     m_scanCode = evt.m_scanCode;
 731     m_rawCode = evt.m_rawCode;
 732     m_rawFlags = evt.m_rawFlags;
 733
 734 #if wxUSE_UNICODE
 735     m_uniChar = evt.m_uniChar;
 736 #endif
 737 }
 738
 739 long wxKeyEvent::KeyCode() const
 740 {
 741     return m_keyCode;
 742 }
 743
 744 wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
 745 {
 746     SetEventType(wxEVT_CREATE);
 747     SetEventObject(win);
 748 }
 749
 750 wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
 751 {
 752     SetEventType(wxEVT_DESTROY);
 753     SetEventObject(win);
 754 }
 755
 756 wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
 757                  : wxCommandEvent(wxEVT_CHILD_FOCUS)
 758 {
 759     SetEventObject(win);
 760 }
 761
 762 #endif // wxUSE_GUI
 763
 764
 765 #if wxUSE_BASE
 766
 767 // ----------------------------------------------------------------------------
 768 // wxEventHashTable
 769 // ----------------------------------------------------------------------------
 770
 771 static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small...
 772
 773 wxEventHashTable* wxEventHashTable::sm_first = NULL;
 774
 775 wxEventHashTable::wxEventHashTable(const wxEventTable &table)
 776                 : m_table(table),
 777                   m_rebuildHash(true)
 778 {
 779     AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
 780
 781     m_next = sm_first;
 782     if (m_next)
 783         m_next->m_previous = this;
 784     sm_first = this;
 785 }
 786
 787 wxEventHashTable::~wxEventHashTable()
 788 {
 789     if (m_next)
 790         m_next->m_previous = m_previous;
 791     if (m_previous)
 792         m_previous->m_next = m_next;
 793     if (sm_first == this)
 794         sm_first = m_next;
 795
 796     Clear();
 797 }
 798
 799 void wxEventHashTable::Clear()
 800 {
 801     size_t i;
 802     for(i = 0; i < m_size; i++)
 803     {
 804         EventTypeTablePointer  eTTnode = m_eventTypeTable[i];
 805         if (eTTnode)
 806         {
 807             delete eTTnode;
 808         }
 809     }
 810
 811     // Necessary in order to not invoke the
 812     // overloaded delete operator when statics are cleaned up
 813     if (m_eventTypeTable)
 814         delete[] m_eventTypeTable;
 815
 816     m_eventTypeTable = NULL;
 817     m_size = 0;
 818 }
 819
 820 // Clear all tables
 821 void wxEventHashTable::ClearAll()
 822 {
 823     wxEventHashTable* table = sm_first;
 824     while (table)
 825     {
 826         table->Clear();
 827         table = table->m_next;
 828     }
 829 }
 830
 831 bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
 832 {
 833     if (m_rebuildHash)
 834     {
 835         InitHashTable();
 836         m_rebuildHash = false;
 837     }
 838
 839     if (!m_eventTypeTable)
 840         return false;
 841
 842     // Find all entries for the given event type.
 843     wxEventType eventType = event.GetEventType();
 844     const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
 845     if (eTTnode && eTTnode->eventType == eventType)
 846     {
 847         // Now start the search for an event handler
 848         // that can handle an event with the given ID.
 849         const wxEventTableEntryPointerArray&
 850             eventEntryTable = eTTnode->eventEntryTable;
 851
 852         const size_t count = eventEntryTable.GetCount();
 853         for (size_t n = 0; n < count; n++)
 854         {
 855             if ( wxEvtHandler::
 856                     ProcessEventIfMatches(*eventEntryTable[n], self, event) )
 857             {
 858                 return true;
 859             }
 860         }
 861     }
 862
 863     return false;
 864 }
 865
 866 void wxEventHashTable::InitHashTable()
 867 {
 868     // Loop over the event tables and all its base tables.
 869     const wxEventTable *table = &m_table;
 870     while (table)
 871     {
 872         // Retrieve all valid event handler entries
 873         const wxEventTableEntry *entry = table->entries;
 874         while (entry->m_fn != 0)
 875         {
 876             // Add the event entry in the Hash.
 877             AddEntry(*entry);
 878
 879             entry++;
 880         }
 881
 882         table = table->baseTable;
 883     }
 884
 885     // Lets free some memory.
 886     size_t i;
 887     for(i = 0; i < m_size; i++)
 888     {
 889         EventTypeTablePointer  eTTnode = m_eventTypeTable[i];
 890         if (eTTnode)
 891         {
 892             eTTnode->eventEntryTable.Shrink();
 893         }
 894     }
 895 }
 896
 897 void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
 898 {
 899     // This might happen 'accidentally' as the app is exiting
 900     if (!m_eventTypeTable)
 901         return;
 902
 903     EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
 904     EventTypeTablePointer  eTTnode = *peTTnode;
 905
 906     if (eTTnode)
 907     {
 908         if (eTTnode->eventType != entry.m_eventType)
 909         {
 910             // Resize the table!
 911             GrowEventTypeTable();
 912             // Try again to add it.
 913             AddEntry(entry);
 914             return;
 915         }
 916     }
 917     else
 918     {
 919         eTTnode = new EventTypeTable;
 920         eTTnode->eventType = entry.m_eventType;
 921         *peTTnode = eTTnode;
 922     }
 923
 924     // Fill all hash entries between entry.m_id and entry.m_lastId...
 925     eTTnode->eventEntryTable.Add(&entry);
 926 }
 927
 928 void wxEventHashTable::AllocEventTypeTable(size_t size)
 929 {
 930     m_eventTypeTable = new EventTypeTablePointer[size];
 931     memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
 932     m_size = size;
 933 }
 934
 935 void wxEventHashTable::GrowEventTypeTable()
 936 {
 937     size_t oldSize = m_size;
 938     EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
 939
 940     // TODO: Search the most optimal grow sequence
 941     AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
 942
 943     for ( size_t i = 0; i < oldSize; /* */ )
 944     {
 945         EventTypeTablePointer  eTToldNode = oldEventTypeTable[i];
 946         if (eTToldNode)
 947         {
 948             EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
 949             EventTypeTablePointer  eTTnode = *peTTnode;
 950
 951             // Check for collision, we don't want any.
 952             if (eTTnode)
 953             {
 954                 GrowEventTypeTable();
 955                 continue; // Don't increment the counter,
 956                           // as we still need to add this element.
 957             }
 958             else
 959             {
 960                 // Get the old value and put it in the new table.
 961                 *peTTnode = oldEventTypeTable[i];
 962             }
 963         }
 964
 965         i++;
 966     }
 967
 968     delete[] oldEventTypeTable;
 969 }
 970
 971
 972 // ----------------------------------------------------------------------------
 973 // wxEvtHandler
 974 // ----------------------------------------------------------------------------
 975
 976 /*
 977  * Event handler
 978  */
 979
 980 wxEvtHandler::wxEvtHandler()
 981 {
 982     m_nextHandler = (wxEvtHandler *) NULL;
 983     m_previousHandler = (wxEvtHandler *) NULL;
 984     m_enabled = true;
 985     m_dynamicEvents = (wxList *) NULL;
 986     m_pendingEvents = (wxList *) NULL;
 987 #if wxUSE_THREADS
 988 #  if !defined(__VISAGECPP__)
 989     m_eventsLocker = new wxCriticalSection;
 990 #  endif
 991 #endif
 992     // no client data (yet)
 993     m_clientData = NULL;
 994     m_clientDataType = wxClientData_None;
 995 }
 996
 997 wxEvtHandler::~wxEvtHandler()
 998 {
 999     // Takes itself out of the list of handlers
1000     if (m_previousHandler)
1001         m_previousHandler->m_nextHandler = m_nextHandler;
1002
1003     if (m_nextHandler)
1004         m_nextHandler->m_previousHandler = m_previousHandler;
1005
1006     if (m_dynamicEvents)
1007     {
1008         wxList::iterator it = m_dynamicEvents->begin(),
1009                          en = m_dynamicEvents->end();
1010         for (;it != en; ++it)
1011         {
1012 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1013             wxEventTableEntry *entry = (wxEventTableEntry*)*it;
1014 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1015             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
1016 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1017
1018             if (entry->m_callbackUserData)
1019                 delete entry->m_callbackUserData;
1020             delete entry;
1021         }
1022         delete m_dynamicEvents;
1023     };
1024
1025     delete m_pendingEvents;
1026
1027 #if wxUSE_THREADS
1028 #  if !defined(__VISAGECPP__)
1029     delete m_eventsLocker;
1030 #  endif
1031
1032     // Remove us from wxPendingEvents if necessary.
1033     if(wxPendingEventsLocker)
1034         wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1035     if ( wxPendingEvents ) {
1036         wxPendingEvents->DeleteObject(this);
1037     }
1038     if(wxPendingEventsLocker)
1039         wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1040 #endif
1041
1042     // we only delete object data, not untyped
1043     if ( m_clientDataType == wxClientData_Object )
1044         delete m_clientObject;
1045 }
1046
1047 #if wxUSE_THREADS
1048
1049 bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
1050 {
1051     // check that we are really in a child thread
1052     wxASSERT_MSG( !wxThread::IsMain(),
1053                   wxT("use ProcessEvent() in main thread") );
1054
1055     AddPendingEvent(event);
1056
1057     return true;
1058 }
1059
1060 void wxEvtHandler::ClearEventLocker()
1061 {
1062 #if !defined(__VISAGECPP__)
1063     delete m_eventsLocker;
1064     m_eventsLocker = NULL;
1065 #endif
1066 };
1067
1068 #endif // wxUSE_THREADS
1069
1070 void wxEvtHandler::AddPendingEvent(wxEvent& event)
1071 {
1072     // 1) Add event to list of pending events of this event handler
1073
1074     wxEvent *eventCopy = event.Clone();
1075
1076     // we must be able to copy the events here so the event class must
1077     // implement Clone() properly instead of just providing a NULL stab for it
1078     wxCHECK_RET( eventCopy,
1079                  _T("events of this type aren't supposed to be posted") );
1080
1081 #if defined(__VISAGECPP__)
1082     wxENTER_CRIT_SECT( m_eventsLocker);
1083 #else
1084     wxENTER_CRIT_SECT( *m_eventsLocker);
1085 #endif
1086
1087     if ( !m_pendingEvents )
1088       m_pendingEvents = new wxList;
1089
1090     m_pendingEvents->Append(eventCopy);
1091
1092 #if defined(__VISAGECPP__)
1093     wxLEAVE_CRIT_SECT( m_eventsLocker);
1094 #else
1095     wxLEAVE_CRIT_SECT( *m_eventsLocker);
1096 #endif
1097
1098     // 2) Add this event handler to list of event handlers that
1099     //    have pending events.
1100
1101     wxENTER_CRIT_SECT(*wxPendingEventsLocker);
1102
1103     if ( !wxPendingEvents )
1104         wxPendingEvents = new wxList;
1105     wxPendingEvents->Append(this);
1106
1107     wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
1108
1109     // 3) Inform the system that new pending events are somwehere,
1110     //    and that these should be processed in idle time.
1111     wxWakeUpIdle();
1112 }
1113
1114 void wxEvtHandler::ProcessPendingEvents()
1115 {
1116     // this method is only called by wxApp if this handler does have pending
1117     // events
1118     wxCHECK_RET( m_pendingEvents,
1119                  wxT("Please call wxApp::ProcessPendingEvents() instead") );
1120
1121 #if defined(__VISAGECPP__)
1122     wxENTER_CRIT_SECT( m_eventsLocker);
1123 #else
1124     wxENTER_CRIT_SECT( *m_eventsLocker);
1125 #endif
1126
1127     // remember last event to process during this iteration
1128     wxList::compatibility_iterator lastPendingNode = m_pendingEvents->GetLast();
1129
1130     wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
1131     while ( node )
1132     {
1133         wxEvent *event = (wxEvent *)node->GetData();
1134         m_pendingEvents->Erase(node);
1135
1136         // In ProcessEvent, new events might get added and
1137         // we can safely leave the crtical section here.
1138 #if defined(__VISAGECPP__)
1139         wxLEAVE_CRIT_SECT( m_eventsLocker);
1140 #else
1141         wxLEAVE_CRIT_SECT( *m_eventsLocker);
1142 #endif
1143         ProcessEvent(*event);
1144         delete event;
1145 #if defined(__VISAGECPP__)
1146         wxENTER_CRIT_SECT( m_eventsLocker);
1147 #else
1148         wxENTER_CRIT_SECT( *m_eventsLocker);
1149 #endif
1150
1151         // leave the loop once we have processed all events that were present
1152         // at the start of ProcessPendingEvents because otherwise we could get
1153         // into infinite loop if the pending event handler execution resulted
1154         // in another event being posted
1155         if ( node == lastPendingNode )
1156             break;
1157
1158         node = m_pendingEvents->GetFirst();
1159     }
1160
1161 #if defined(__VISAGECPP__)
1162     wxLEAVE_CRIT_SECT( m_eventsLocker);
1163 #else
1164     wxLEAVE_CRIT_SECT( *m_eventsLocker);
1165 #endif
1166 }
1167
1168 /*
1169  * Event table stuff
1170  */
1171 /* static */ bool
1172 wxEvtHandler::ProcessEventIfMatches(const wxEventTableEntryBase& entry,
1173                                     wxEvtHandler *handler,
1174                                     wxEvent& event)
1175 {
1176     int tableId1 = entry.m_id,
1177         tableId2 = entry.m_lastId;
1178
1179     // match only if the event type is the same and the id is either -1 in
1180     // the event table (meaning "any") or the event id matches the id
1181     // specified in the event table either exactly or by falling into
1182     // range between first and last
1183     if ((tableId1 == wxID_ANY) ||
1184         (tableId2 == wxID_ANY && tableId1 == event.GetId()) ||
1185         (tableId2 != wxID_ANY &&
1186          (event.GetId() >= tableId1 && event.GetId() <= tableId2)))
1187     {
1188         event.Skip(false);
1189         event.m_callbackUserData = entry.m_callbackUserData;
1190
1191 #if wxUSE_EXCEPTIONS
1192         if ( wxTheApp )
1193         {
1194             // call the handler via wxApp method which allows the user to catch
1195             // any exceptions which may be thrown by any handler in the program
1196             // in one place
1197             wxTheApp->HandleEvent(handler, (wxEventFunction)entry.m_fn, event);
1198         }
1199         else
1200 #endif // wxUSE_EXCEPTIONS
1201         {
1202             // no need for an extra virtual function call
1203             (handler->*((wxEventFunction) (entry.m_fn)))(event);
1204         }
1205
1206         if (!event.GetSkipped())
1207             return true;
1208     }
1209
1210     return false;
1211 }
1212
1213 bool wxEvtHandler::TryParent(wxEvent& event)
1214 {
1215     if ( wxTheApp && (this != wxTheApp) )
1216     {
1217         // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
1218         // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
1219         // processed appropriately via SearchEventTable.
1220         if ( event.GetEventType() != wxEVT_IDLE )
1221         {
1222             if ( wxTheApp->ProcessEvent(event) )
1223                 return true;
1224         }
1225     }
1226
1227     return false;
1228 }
1229
1230 bool wxEvtHandler::ProcessEvent(wxEvent& event)
1231 {
1232     // allow the application to hook into event processing
1233     if ( wxTheApp )
1234     {
1235         int rc = wxTheApp->FilterEvent(event);
1236         if ( rc != -1 )
1237         {
1238             wxASSERT_MSG( rc == 1 || rc == 0,
1239                           _T("unexpected wxApp::FilterEvent return value") );
1240
1241             return rc != 0;
1242         }
1243         //else: proceed normally
1244     }
1245
1246     // An event handler can be enabled or disabled
1247     if ( GetEvtHandlerEnabled() )
1248     {
1249         // if we have a validator, it has higher priority than our own event
1250         // table
1251         if ( TryValidator(event) )
1252             return true;
1253
1254         // Handle per-instance dynamic event tables first
1255         if ( m_dynamicEvents && SearchDynamicEventTable(event) )
1256             return true;
1257
1258         // Then static per-class event tables
1259         if ( GetEventHashTable().HandleEvent(event, this) )
1260             return true;
1261     }
1262
1263     // Try going down the event handler chain
1264     if ( GetNextHandler() )
1265     {
1266         if ( GetNextHandler()->ProcessEvent(event) )
1267             return true;
1268     }
1269
1270     // Finally propagate the event upwards the window chain and/or to the
1271     // application object as necessary
1272     return TryParent(event);
1273 }
1274
1275
1276 bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
1277 {
1278     const wxEventType eventType = event.GetEventType();
1279     for ( int i = 0; table.entries[i].m_fn != 0; i++ )
1280     {
1281         const wxEventTableEntry& entry = table.entries[i];
1282         if ( eventType == entry.m_eventType )
1283         {
1284             if ( ProcessEventIfMatches(entry, this, event) )
1285                 return true;
1286         }
1287     }
1288
1289     return false;
1290 }
1291
1292 void wxEvtHandler::Connect( int id, int lastId,
1293                             int eventType,
1294                             wxObjectEventFunction func,
1295                             wxObject *userData,
1296                             wxEvtHandler* eventSink )
1297 {
1298 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1299     wxEventTableEntry *entry = new wxEventTableEntry;
1300     entry->m_eventType = eventType;
1301     entry->m_id = id;
1302     entry->m_lastId = lastId;
1303     entry->m_fn = func;
1304     entry->m_callbackUserData = userData;
1305 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1306     wxDynamicEventTableEntry *entry =
1307         new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
1308 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1309
1310     if (!m_dynamicEvents)
1311         m_dynamicEvents = new wxList;
1312
1313     // Insert at the front of the list so most recent additions are found first
1314     m_dynamicEvents->Insert( (wxObject*) entry );
1315 }
1316
1317 bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
1318                   wxObjectEventFunction func,
1319                   wxObject *userData,
1320                   wxEvtHandler* eventSink )
1321 {
1322     if (!m_dynamicEvents)
1323         return false;
1324
1325     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1326     while (node)
1327     {
1328 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1329             wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1330 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1331             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1332 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1333
1334         if ((entry->m_id == id) &&
1335             ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) &&
1336             ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
1337             ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
1338             ((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
1339             ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
1340         {
1341             if (entry->m_callbackUserData)
1342                 delete entry->m_callbackUserData;
1343             m_dynamicEvents->Erase( node );
1344             delete entry;
1345             return true;
1346         }
1347         node = node->GetNext();
1348     }
1349     return false;
1350 }
1351
1352 bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
1353 {
1354     wxCHECK_MSG( m_dynamicEvents, false,
1355                  wxT("caller should check that we have dynamic events") );
1356
1357     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
1358     while (node)
1359     {
1360 #if WXWIN_COMPATIBILITY_EVENT_TYPES
1361         wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
1362 #else // !WXWIN_COMPATIBILITY_EVENT_TYPES
1363         wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
1364 #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
1365
1366         if ((event.GetEventType() == entry->m_eventType) && (entry->m_fn != 0))
1367         {
1368             wxEvtHandler *handler =
1369 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
1370                                     entry->m_eventSink ? entry->m_eventSink
1371                                                        :
1372 #endif
1373                                                          this;
1374
1375             if ( ProcessEventIfMatches(*entry, handler, event) )
1376             {
1377                 return true;
1378             }
1379         }
1380
1381         node = node->GetNext();
1382     }
1383
1384     return false;
1385 };
1386
1387 void wxEvtHandler::DoSetClientObject( wxClientData *data )
1388 {
1389     wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1390                   wxT("can't have both object and void client data") );
1391
1392     if ( m_clientObject )
1393         delete m_clientObject;
1394
1395     m_clientObject = data;
1396     m_clientDataType = wxClientData_Object;
1397 }
1398
1399 wxClientData *wxEvtHandler::DoGetClientObject() const
1400 {
1401     // it's not an error to call GetClientObject() on a window which doesn't
1402     // have client data at all - NULL will be returned
1403     wxASSERT_MSG( m_clientDataType != wxClientData_Void,
1404                   wxT("this window doesn't have object client data") );
1405
1406     return m_clientObject;
1407 }
1408
1409 void wxEvtHandler::DoSetClientData( void *data )
1410 {
1411     wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1412                   wxT("can't have both object and void client data") );
1413
1414     m_clientData = data;
1415     m_clientDataType = wxClientData_Void;
1416 }
1417
1418 void *wxEvtHandler::DoGetClientData() const
1419 {
1420     // it's not an error to call GetClientData() on a window which doesn't have
1421     // client data at all - NULL will be returned
1422     wxASSERT_MSG( m_clientDataType != wxClientData_Object,
1423                   wxT("this window doesn't have void client data") );
1424
1425     return m_clientData;
1426 }
1427
1428 #endif // wxUSE_BASE
1429
1430 #if wxUSE_GUI
1431
1432 // Find a window with the focus, that is also a descendant of the given window.
1433 // This is used to determine the window to initially send commands to.
1434 wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
1435 {
1436     // Process events starting with the window with the focus, if any.
1437     wxWindow* focusWin = wxWindow::FindFocus();
1438     wxWindow* win = focusWin;
1439
1440     // Check if this is a descendant of this frame.
1441     // If not, win will be set to NULL.
1442     while (win)
1443     {
1444         if (win == ancestor)
1445             break;
1446         else
1447             win = win->GetParent();
1448     }
1449     if (win == (wxWindow*) NULL)
1450         focusWin = (wxWindow*) NULL;
1451
1452     return focusWin;
1453 }
1454
1455 #endif // wxUSE_GUI