src/common/wincmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/window.cpp
   3 // Purpose:     common (to all ports) wxWindow functions
   4 // Author:      Julian Smart, Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/string.h"
  29     #include "wx/log.h"
  30     #include "wx/intl.h"
  31     #include "wx/frame.h"
  32     #include "wx/window.h"
  33     #include "wx/control.h"
  34     #include "wx/checkbox.h"
  35     #include "wx/radiobut.h"
  36     #include "wx/statbox.h"
  37     #include "wx/textctrl.h"
  38     #include "wx/settings.h"
  39     #include "wx/dialog.h"
  40     #include "wx/msgdlg.h"
  41     #include "wx/statusbr.h"
  42     #include "wx/toolbar.h"
  43     #include "wx/dcclient.h"
  44     #include "wx/scrolbar.h"
  45     #include "wx/layout.h"
  46     #include "wx/sizer.h"
  47 #endif //WX_PRECOMP
  48
  49 #if wxUSE_DRAG_AND_DROP
  50     #include "wx/dnd.h"
  51 #endif // wxUSE_DRAG_AND_DROP
  52
  53 #if wxUSE_ACCESSIBILITY
  54     #include "wx/access.h"
  55 #endif
  56
  57 #if wxUSE_HELP
  58     #include "wx/cshelp.h"
  59 #endif // wxUSE_HELP
  60
  61 #if wxUSE_TOOLTIPS
  62     #include "wx/tooltip.h"
  63 #endif // wxUSE_TOOLTIPS
  64
  65 #if wxUSE_CARET
  66     #include "wx/caret.h"
  67 #endif // wxUSE_CARET
  68
  69 #if wxUSE_SYSTEM_OPTIONS
  70     #include "wx/sysopt.h"
  71 #endif
  72
  73 // For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
  74 // The gtk includes don't pull any other headers in, at least not on my system - MR
  75 #ifdef __WXGTK__
  76     #ifdef __WXGTK20__
  77         #include <gtk/gtkversion.h>
  78     #else
  79         #include <gtk/gtkfeatures.h>
  80     #endif
  81     extern const unsigned int gtk_major_version;
  82     extern const unsigned int gtk_minor_version;
  83     extern const unsigned int gtk_micro_version;
  84 #endif
  85
  86 // Windows List
  87 WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
  88
  89 // ----------------------------------------------------------------------------
  90 // static data
  91 // ----------------------------------------------------------------------------
  92
  93 #if defined(__WXPALMOS__)
  94 int wxWindowBase::ms_lastControlId = 32767;
  95 #elif defined(__WXPM__)
  96 int wxWindowBase::ms_lastControlId = 2000;
  97 #else
  98 int wxWindowBase::ms_lastControlId = -200;
  99 #endif
 100
 101 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 102
 103 // ----------------------------------------------------------------------------
 104 // event table
 105 // ----------------------------------------------------------------------------
 106
 107 BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
 108     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
 109     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
 110     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
 111
 112 #if wxUSE_HELP
 113     EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
 114 #endif // wxUSE_HELP
 115
 116 END_EVENT_TABLE()
 117
 118 // ============================================================================
 119 // implementation of the common functionality of the wxWindow class
 120 // ============================================================================
 121
 122 // ----------------------------------------------------------------------------
 123 // initialization
 124 // ----------------------------------------------------------------------------
 125
 126 // the default initialization
 127 wxWindowBase::wxWindowBase()
 128 {
 129     // no window yet, no parent nor children
 130     m_parent = (wxWindow *)NULL;
 131     m_windowId = wxID_ANY;
 132
 133     // no constraints on the minimal window size
 134     m_minWidth =
 135     m_maxWidth = wxDefaultCoord;
 136     m_minHeight =
 137     m_maxHeight = wxDefaultCoord;
 138
 139     // invalidiated cache value
 140     m_bestSizeCache = wxDefaultSize;
 141
 142     // window are created enabled and visible by default
 143     m_isShown =
 144     m_isEnabled = true;
 145
 146     // the default event handler is just this window
 147     m_eventHandler = this;
 148
 149 #if wxUSE_VALIDATORS
 150     // no validator
 151     m_windowValidator = (wxValidator *) NULL;
 152 #endif // wxUSE_VALIDATORS
 153
 154     // the colours/fonts are default for now, so leave m_font,
 155     // m_backgroundColour and m_foregroundColour uninitialized and set those
 156     m_hasBgCol =
 157     m_hasFgCol =
 158     m_hasFont = false;
 159     m_inheritBgCol =
 160     m_inheritFgCol =
 161     m_inheritFont = false;
 162
 163     // no style bits
 164     m_exStyle =
 165     m_windowStyle = 0;
 166
 167     m_backgroundStyle = wxBG_STYLE_SYSTEM;
 168
 169 #if wxUSE_CONSTRAINTS
 170     // no constraints whatsoever
 171     m_constraints = (wxLayoutConstraints *) NULL;
 172     m_constraintsInvolvedIn = (wxWindowList *) NULL;
 173 #endif // wxUSE_CONSTRAINTS
 174
 175     m_windowSizer = (wxSizer *) NULL;
 176     m_containingSizer = (wxSizer *) NULL;
 177     m_autoLayout = false;
 178
 179 #if wxUSE_DRAG_AND_DROP
 180     m_dropTarget = (wxDropTarget *)NULL;
 181 #endif // wxUSE_DRAG_AND_DROP
 182
 183 #if wxUSE_TOOLTIPS
 184     m_tooltip = (wxToolTip *)NULL;
 185 #endif // wxUSE_TOOLTIPS
 186
 187 #if wxUSE_CARET
 188     m_caret = (wxCaret *)NULL;
 189 #endif // wxUSE_CARET
 190
 191 #if wxUSE_PALETTE
 192     m_hasCustomPalette = false;
 193 #endif // wxUSE_PALETTE
 194
 195 #if wxUSE_ACCESSIBILITY
 196     m_accessible = NULL;
 197 #endif
 198
 199     m_virtualSize = wxDefaultSize;
 200
 201     m_minVirtualWidth =
 202     m_maxVirtualWidth = wxDefaultCoord;
 203     m_minVirtualHeight =
 204     m_maxVirtualHeight = wxDefaultCoord;
 205
 206     m_windowVariant = wxWINDOW_VARIANT_NORMAL;
 207 #if wxUSE_SYSTEM_OPTIONS
 208     if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
 209     {
 210        m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
 211     }
 212 #endif
 213
 214     // Whether we're using the current theme for this window (wxGTK only for now)
 215     m_themeEnabled = false;
 216
 217     // VZ: this one shouldn't exist...
 218     m_isBeingDeleted = false;
 219 }
 220
 221 // common part of window creation process
 222 bool wxWindowBase::CreateBase(wxWindowBase *parent,
 223                               wxWindowID id,
 224                               const wxPoint& WXUNUSED(pos),
 225                               const wxSize& WXUNUSED(size),
 226                               long style,
 227                               const wxValidator& wxVALIDATOR_PARAM(validator),
 228                               const wxString& name)
 229 {
 230 #if wxUSE_STATBOX
 231     // wxGTK doesn't allow to create controls with static box as the parent so
 232     // this will result in a crash when the program is ported to wxGTK so warn
 233     // the user about it
 234
 235     // if you get this assert, the correct solution is to create the controls
 236     // as siblings of the static box
 237     wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
 238                   _T("wxStaticBox can't be used as a window parent!") );
 239 #endif // wxUSE_STATBOX
 240
 241     // ids are limited to 16 bits under MSW so if you care about portability,
 242     // it's not a good idea to use ids out of this range (and negative ids are
 243     // reserved for wxWidgets own usage)
 244     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
 245                   _T("invalid id value") );
 246
 247     // generate a new id if the user doesn't care about it
 248     m_windowId = id == wxID_ANY ? NewControlId() : id;
 249
 250     SetName(name);
 251     SetWindowStyleFlag(style);
 252     SetParent(parent);
 253
 254 #if wxUSE_VALIDATORS
 255     SetValidator(validator);
 256 #endif // wxUSE_VALIDATORS
 257
 258     // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
 259     // have it too - like this it's possible to set it only in the top level
 260     // dialog/frame and all children will inherit it by defult
 261     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
 262     {
 263         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
 264     }
 265
 266     return true;
 267 }
 268
 269 // ----------------------------------------------------------------------------
 270 // destruction
 271 // ----------------------------------------------------------------------------
 272
 273 // common clean up
 274 wxWindowBase::~wxWindowBase()
 275 {
 276     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 277
 278     // FIXME if these 2 cases result from programming errors in the user code
 279     //       we should probably assert here instead of silently fixing them
 280
 281     // Just in case the window has been Closed, but we're then deleting
 282     // immediately: don't leave dangling pointers.
 283     wxPendingDelete.DeleteObject(this);
 284
 285     // Just in case we've loaded a top-level window via LoadNativeDialog but
 286     // we weren't a dialog class
 287     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 288
 289     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 290
 291     // reset the dangling pointer our parent window may keep to us
 292     if ( m_parent )
 293     {
 294         if ( m_parent->GetDefaultItem() == this )
 295         {
 296             m_parent->SetDefaultItem(NULL);
 297         }
 298
 299         m_parent->RemoveChild(this);
 300     }
 301
 302 #if wxUSE_CARET
 303     delete m_caret;
 304 #endif // wxUSE_CARET
 305
 306 #if wxUSE_VALIDATORS
 307     delete m_windowValidator;
 308 #endif // wxUSE_VALIDATORS
 309
 310 #if wxUSE_CONSTRAINTS
 311     // Have to delete constraints/sizer FIRST otherwise sizers may try to look
 312     // at deleted windows as they delete themselves.
 313     DeleteRelatedConstraints();
 314
 315     if ( m_constraints )
 316     {
 317         // This removes any dangling pointers to this window in other windows'
 318         // constraintsInvolvedIn lists.
 319         UnsetConstraints(m_constraints);
 320         delete m_constraints;
 321         m_constraints = NULL;
 322     }
 323 #endif // wxUSE_CONSTRAINTS
 324
 325     if ( m_containingSizer )
 326         m_containingSizer->Detach( (wxWindow*)this );
 327
 328     delete m_windowSizer;
 329
 330 #if wxUSE_DRAG_AND_DROP
 331     delete m_dropTarget;
 332 #endif // wxUSE_DRAG_AND_DROP
 333
 334 #if wxUSE_TOOLTIPS
 335     delete m_tooltip;
 336 #endif // wxUSE_TOOLTIPS
 337
 338 #if wxUSE_ACCESSIBILITY
 339     delete m_accessible;
 340 #endif
 341 }
 342
 343 bool wxWindowBase::Destroy()
 344 {
 345     delete this;
 346
 347     return true;
 348 }
 349
 350 bool wxWindowBase::Close(bool force)
 351 {
 352     wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
 353     event.SetEventObject(this);
 354     event.SetCanVeto(!force);
 355
 356     // return false if window wasn't closed because the application vetoed the
 357     // close event
 358     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 359 }
 360
 361 bool wxWindowBase::DestroyChildren()
 362 {
 363     wxWindowList::compatibility_iterator node;
 364     for ( ;; )
 365     {
 366         // we iterate until the list becomes empty
 367         node = GetChildren().GetFirst();
 368         if ( !node )
 369             break;
 370
 371         wxWindow *child = node->GetData();
 372
 373         // note that we really want to call delete and not ->Destroy() here
 374         // because we want to delete the child immediately, before we are
 375         // deleted, and delayed deletion would result in problems as our (top
 376         // level) child could outlive its parent
 377         delete child;
 378
 379         wxASSERT_MSG( !GetChildren().Find(child),
 380                       wxT("child didn't remove itself using RemoveChild()") );
 381     }
 382
 383     return true;
 384 }
 385
 386 // ----------------------------------------------------------------------------
 387 // size/position related methods
 388 // ----------------------------------------------------------------------------
 389
 390 // centre the window with respect to its parent in either (or both) directions
 391 void wxWindowBase::DoCentre(int dir)
 392 {
 393     wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
 394                  _T("this method only implements centering child windows") );
 395
 396     SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
 397 }
 398
 399 // fits the window around the children
 400 void wxWindowBase::Fit()
 401 {
 402     if ( !GetChildren().empty() )
 403     {
 404         SetClientSize(GetBestSize());
 405     }
 406     //else: do nothing if we have no children
 407 }
 408
 409 // fits virtual size (ie. scrolled area etc.) around children
 410 void wxWindowBase::FitInside()
 411 {
 412     if ( GetChildren().GetCount() > 0 )
 413     {
 414         SetVirtualSize( GetBestVirtualSize() );
 415     }
 416 }
 417
 418 // On Mac, scrollbars are explicitly children.
 419 #ifdef __WXMAC__
 420 static bool wxHasRealChildren(const wxWindowBase* win)
 421 {
 422     int realChildCount = 0;
 423
 424     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 425           node;
 426           node = node->GetNext() )
 427     {
 428         wxWindow *win = node->GetData();
 429         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 430             realChildCount ++;
 431     }
 432     return (realChildCount > 0);
 433 }
 434 #endif
 435
 436 void wxWindowBase::InvalidateBestSize()
 437 {
 438     m_bestSizeCache = wxDefaultSize;
 439
 440     // parent's best size calculation may depend on its children's
 441     // as long as child window we are in is not top level window itself
 442     // (because the TLW size is never resized automatically)
 443     // so let's invalidate it as well to be safe:
 444     if (m_parent && !IsTopLevel())
 445         m_parent->InvalidateBestSize();
 446 }
 447
 448 // return the size best suited for the current window
 449 wxSize wxWindowBase::DoGetBestSize() const
 450 {
 451     wxSize best;
 452
 453     if ( m_windowSizer )
 454     {
 455         best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
 456     }
 457 #if wxUSE_CONSTRAINTS
 458     else if ( m_constraints )
 459     {
 460         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 461
 462         // our minimal acceptable size is such that all our windows fit inside
 463         int maxX = 0,
 464             maxY = 0;
 465
 466         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 467               node;
 468               node = node->GetNext() )
 469         {
 470             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 471             if ( !c )
 472             {
 473                 // it's not normal that we have an unconstrained child, but
 474                 // what can we do about it?
 475                 continue;
 476             }
 477
 478             int x = c->right.GetValue(),
 479                 y = c->bottom.GetValue();
 480
 481             if ( x > maxX )
 482                 maxX = x;
 483
 484             if ( y > maxY )
 485                 maxY = y;
 486
 487             // TODO: we must calculate the overlaps somehow, otherwise we
 488             //       will never return a size bigger than the current one :-(
 489         }
 490
 491         best = wxSize(maxX, maxY);
 492     }
 493 #endif // wxUSE_CONSTRAINTS
 494     else if ( !GetChildren().empty()
 495 #ifdef __WXMAC__
 496               && wxHasRealChildren(this)
 497 #endif
 498               )
 499     {
 500         // our minimal acceptable size is such that all our visible child
 501         // windows fit inside
 502         int maxX = 0,
 503             maxY = 0;
 504
 505         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 506               node;
 507               node = node->GetNext() )
 508         {
 509             wxWindow *win = node->GetData();
 510             if ( win->IsTopLevel()
 511                     || !win->IsShown()
 512 #if wxUSE_STATUSBAR
 513                         || wxDynamicCast(win, wxStatusBar)
 514 #endif // wxUSE_STATUSBAR
 515                )
 516             {
 517                 // dialogs and frames lie in different top level windows -
 518                 // don't deal with them here; as for the status bars, they
 519                 // don't lie in the client area at all
 520                 continue;
 521             }
 522
 523             int wx, wy, ww, wh;
 524             win->GetPosition(&wx, &wy);
 525
 526             // if the window hadn't been positioned yet, assume that it is in
 527             // the origin
 528             if ( wx == wxDefaultCoord )
 529                 wx = 0;
 530             if ( wy == wxDefaultCoord )
 531                 wy = 0;
 532
 533             win->GetSize(&ww, &wh);
 534             if ( wx + ww > maxX )
 535                 maxX = wx + ww;
 536             if ( wy + wh > maxY )
 537                 maxY = wy + wh;
 538         }
 539
 540         best = wxSize(maxX, maxY);
 541     }
 542     else // ! has children
 543     {
 544         // for a generic window there is no natural best size so, if the
 545         // minimal size is not set, use the current size but take care to
 546         // remember it as minimal size for the next time because our best size
 547         // should be constant: otherwise we could get into a situation when the
 548         // window is initially at some size, then expanded to a larger size and
 549         // then, when the containing window is shrunk back (because our initial
 550         // best size had been used for computing the parent min size), we can't
 551         // be shrunk back any more because our best size is now bigger
 552         wxSize size = GetMinSize();
 553         if ( !size.IsFullySpecified() )
 554         {
 555             size.SetDefaults(GetSize());
 556             wxConstCast(this, wxWindowBase)->SetMinSize(size);
 557         }
 558
 559         // return as-is, unadjusted by the client size difference.
 560         return size;
 561     }
 562
 563     // Add any difference between size and client size
 564     wxSize diff = GetSize() - GetClientSize();
 565     best.x += wxMax(0, diff.x);
 566     best.y += wxMax(0, diff.y);
 567
 568     return best;
 569 }
 570
 571
 572 wxSize wxWindowBase::GetBestFittingSize() const
 573 {
 574     // merge the best size with the min size, giving priority to the min size
 575     wxSize min = GetMinSize();
 576     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 577     {
 578         wxSize best = GetBestSize();
 579         if (min.x == wxDefaultCoord) min.x =  best.x;
 580         if (min.y == wxDefaultCoord) min.y =  best.y;
 581     }
 582     return min;
 583 }
 584
 585
 586 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 587 {
 588     // Set the min size to the size passed in.  This will usually either be
 589     // wxDefaultSize or the size passed to this window's ctor/Create function.
 590     SetMinSize(size);
 591
 592     // Merge the size with the best size if needed
 593     wxSize best = GetBestFittingSize();
 594
 595     // If the current size doesn't match then change it
 596     if (GetSize() != best)
 597         SetSize(best);
 598 }
 599
 600
 601 // by default the origin is not shifted
 602 wxPoint wxWindowBase::GetClientAreaOrigin() const
 603 {
 604     return wxPoint(0,0);
 605 }
 606
 607 // set the min/max size of the window
 608 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 609                                   int maxW, int maxH,
 610                                   int WXUNUSED(incW), int WXUNUSED(incH))
 611 {
 612     // setting min width greater than max width leads to infinite loops under
 613     // X11 and generally doesn't make any sense, so don't allow it
 614     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 615                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 616                  _T("min width/height must be less than max width/height!") );
 617
 618     m_minWidth = minW;
 619     m_maxWidth = maxW;
 620     m_minHeight = minH;
 621     m_maxHeight = maxH;
 622 }
 623
 624 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 625 {
 626     if ( m_windowVariant != variant )
 627     {
 628         m_windowVariant = variant;
 629
 630         DoSetWindowVariant(variant);
 631     }
 632 }
 633
 634 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 635 {
 636     // adjust the font height to correspond to our new variant (notice that
 637     // we're only called if something really changed)
 638     wxFont font = GetFont();
 639     int size = font.GetPointSize();
 640     switch ( variant )
 641     {
 642         case wxWINDOW_VARIANT_NORMAL:
 643             break;
 644
 645         case wxWINDOW_VARIANT_SMALL:
 646             size *= 3;
 647             size /= 4;
 648             break;
 649
 650         case wxWINDOW_VARIANT_MINI:
 651             size *= 2;
 652             size /= 3;
 653             break;
 654
 655         case wxWINDOW_VARIANT_LARGE:
 656             size *= 5;
 657             size /= 4;
 658             break;
 659
 660         default:
 661             wxFAIL_MSG(_T("unexpected window variant"));
 662             break;
 663     }
 664
 665     font.SetPointSize(size);
 666     SetFont(font);
 667 }
 668
 669 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 670                                         int maxW, int maxH )
 671 {
 672     m_minVirtualWidth = minW;
 673     m_maxVirtualWidth = maxW;
 674     m_minVirtualHeight = minH;
 675     m_maxVirtualHeight = maxH;
 676 }
 677
 678 void wxWindowBase::DoSetVirtualSize( int x, int y )
 679 {
 680     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 681         x = m_minVirtualWidth;
 682     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 683         x = m_maxVirtualWidth;
 684     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 685         y = m_minVirtualHeight;
 686     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 687         y = m_maxVirtualHeight;
 688
 689     m_virtualSize = wxSize(x, y);
 690 }
 691
 692 wxSize wxWindowBase::DoGetVirtualSize() const
 693 {
 694     // we should use the entire client area so if it is greater than our
 695     // virtual size, expand it to fit (otherwise if the window is big enough we
 696     // wouldn't be using parts of it)
 697     wxSize size = GetClientSize();
 698     if ( m_virtualSize.x > size.x )
 699         size.x = m_virtualSize.x;
 700
 701     if ( m_virtualSize.y >= size.y )
 702         size.y = m_virtualSize.y;
 703
 704     return size;
 705 }
 706
 707 void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
 708 {
 709     // screen position is the same as (0, 0) in client coords for non TLWs (and
 710     // TLWs override this method)
 711     if ( x )
 712         *x = 0;
 713     if ( y )
 714         *y = 0;
 715
 716     ClientToScreen(x, y);
 717 }
 718
 719 // ----------------------------------------------------------------------------
 720 // show/hide/enable/disable the window
 721 // ----------------------------------------------------------------------------
 722
 723 bool wxWindowBase::Show(bool show)
 724 {
 725     if ( show != m_isShown )
 726     {
 727         m_isShown = show;
 728
 729         return true;
 730     }
 731     else
 732     {
 733         return false;
 734     }
 735 }
 736
 737 bool wxWindowBase::Enable(bool enable)
 738 {
 739     if ( enable != m_isEnabled )
 740     {
 741         m_isEnabled = enable;
 742
 743         return true;
 744     }
 745     else
 746     {
 747         return false;
 748     }
 749 }
 750 // ----------------------------------------------------------------------------
 751 // RTTI
 752 // ----------------------------------------------------------------------------
 753
 754 bool wxWindowBase::IsTopLevel() const
 755 {
 756     return false;
 757 }
 758
 759 // ----------------------------------------------------------------------------
 760 // reparenting the window
 761 // ----------------------------------------------------------------------------
 762
 763 void wxWindowBase::AddChild(wxWindowBase *child)
 764 {
 765     wxCHECK_RET( child, wxT("can't add a NULL child") );
 766
 767     // this should never happen and it will lead to a crash later if it does
 768     // because RemoveChild() will remove only one node from the children list
 769     // and the other(s) one(s) will be left with dangling pointers in them
 770     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 771
 772     GetChildren().Append((wxWindow*)child);
 773     child->SetParent(this);
 774 }
 775
 776 void wxWindowBase::RemoveChild(wxWindowBase *child)
 777 {
 778     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 779
 780     GetChildren().DeleteObject((wxWindow *)child);
 781     child->SetParent(NULL);
 782 }
 783
 784 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 785 {
 786     wxWindow *oldParent = GetParent();
 787     if ( newParent == oldParent )
 788     {
 789         // nothing done
 790         return false;
 791     }
 792
 793     // unlink this window from the existing parent.
 794     if ( oldParent )
 795     {
 796         oldParent->RemoveChild(this);
 797     }
 798     else
 799     {
 800         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 801     }
 802
 803     // add it to the new one
 804     if ( newParent )
 805     {
 806         newParent->AddChild(this);
 807     }
 808     else
 809     {
 810         wxTopLevelWindows.Append((wxWindow *)this);
 811     }
 812
 813     return true;
 814 }
 815
 816 // ----------------------------------------------------------------------------
 817 // event handler stuff
 818 // ----------------------------------------------------------------------------
 819
 820 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 821 {
 822     wxEvtHandler *handlerOld = GetEventHandler();
 823
 824     handler->SetNextHandler(handlerOld);
 825
 826     if ( handlerOld )
 827         GetEventHandler()->SetPreviousHandler(handler);
 828
 829     SetEventHandler(handler);
 830 }
 831
 832 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 833 {
 834     wxEvtHandler *handlerA = GetEventHandler();
 835     if ( handlerA )
 836     {
 837         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 838         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 839
 840         if ( handlerB )
 841             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 842         SetEventHandler(handlerB);
 843
 844         if ( deleteHandler )
 845         {
 846             delete handlerA;
 847             handlerA = (wxEvtHandler *)NULL;
 848         }
 849     }
 850
 851     return handlerA;
 852 }
 853
 854 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 855 {
 856     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 857
 858     wxEvtHandler *handlerPrev = NULL,
 859                  *handlerCur = GetEventHandler();
 860     while ( handlerCur )
 861     {
 862         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 863
 864         if ( handlerCur == handler )
 865         {
 866             if ( handlerPrev )
 867             {
 868                 handlerPrev->SetNextHandler(handlerNext);
 869             }
 870             else
 871             {
 872                 SetEventHandler(handlerNext);
 873             }
 874
 875             if ( handlerNext )
 876             {
 877                 handlerNext->SetPreviousHandler ( handlerPrev );
 878             }
 879
 880             handler->SetNextHandler(NULL);
 881             handler->SetPreviousHandler(NULL);
 882
 883             return true;
 884         }
 885
 886         handlerPrev = handlerCur;
 887         handlerCur = handlerNext;
 888     }
 889
 890     wxFAIL_MSG( _T("where has the event handler gone?") );
 891
 892     return false;
 893 }
 894
 895 // ----------------------------------------------------------------------------
 896 // colours, fonts &c
 897 // ----------------------------------------------------------------------------
 898
 899 void wxWindowBase::InheritAttributes()
 900 {
 901     const wxWindowBase * const parent = GetParent();
 902     if ( !parent )
 903         return;
 904
 905     // we only inherit attributes which had been explicitly set for the parent
 906     // which ensures that this only happens if the user really wants it and
 907     // not by default which wouldn't make any sense in modern GUIs where the
 908     // controls don't all use the same fonts (nor colours)
 909     if ( parent->m_inheritFont && !m_hasFont )
 910         SetFont(parent->GetFont());
 911
 912     // in addition, there is a possibility to explicitly forbid inheriting
 913     // colours at each class level by overriding ShouldInheritColours()
 914     if ( ShouldInheritColours() )
 915     {
 916         if ( parent->m_inheritFgCol && !m_hasFgCol )
 917             SetForegroundColour(parent->GetForegroundColour());
 918
 919         // inheriting (solid) background colour is wrong as it totally breaks
 920         // any kind of themed backgrounds
 921         //
 922         // instead, the controls should use the same background as their parent
 923         // (ideally by not drawing it at all)
 924 #if 0
 925         if ( parent->m_inheritBgCol && !m_hasBgCol )
 926             SetBackgroundColour(parent->GetBackgroundColour());
 927 #endif // 0
 928     }
 929 }
 930
 931 /* static */ wxVisualAttributes
 932 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 933 {
 934     // it is important to return valid values for all attributes from here,
 935     // GetXXX() below rely on this
 936     wxVisualAttributes attrs;
 937     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 938     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
 939
 940     // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
 941     // the usual background colour than wxSYS_COLOUR_BTNFACE.
 942     // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
 943     // colour on other platforms.
 944
 945 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
 946     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 947 #else
 948     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 949 #endif
 950     return attrs;
 951 }
 952
 953 wxColour wxWindowBase::GetBackgroundColour() const
 954 {
 955     if ( !m_backgroundColour.Ok() )
 956     {
 957         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
 958
 959         // get our default background colour
 960         wxColour colBg = GetDefaultAttributes().colBg;
 961
 962         // we must return some valid colour to avoid redoing this every time
 963         // and also to avoid surprizing the applications written for older
 964         // wxWidgets versions where GetBackgroundColour() always returned
 965         // something -- so give them something even if it doesn't make sense
 966         // for this window (e.g. it has a themed background)
 967         if ( !colBg.Ok() )
 968             colBg = GetClassDefaultAttributes().colBg;
 969
 970         return colBg;
 971     }
 972     else
 973         return m_backgroundColour;
 974 }
 975
 976 wxColour wxWindowBase::GetForegroundColour() const
 977 {
 978     // logic is the same as above
 979     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
 980     {
 981         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
 982
 983         wxColour colFg = GetDefaultAttributes().colFg;
 984
 985         if ( !colFg.Ok() )
 986             colFg = GetClassDefaultAttributes().colFg;
 987
 988         return colFg;
 989     }
 990     else
 991         return m_foregroundColour;
 992 }
 993
 994 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
 995 {
 996     if ( colour == m_backgroundColour )
 997         return false;
 998
 999     m_hasBgCol = colour.Ok();
1000     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1001         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1002
1003     m_inheritBgCol = m_hasBgCol;
1004     m_backgroundColour = colour;
1005     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1006     return true;
1007 }
1008
1009 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1010 {
1011     if (colour == m_foregroundColour )
1012         return false;
1013
1014     m_hasFgCol = colour.Ok();
1015     m_inheritFgCol = m_hasFgCol;
1016     m_foregroundColour = colour;
1017     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1018     return true;
1019 }
1020
1021 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1022 {
1023     // setting an invalid cursor is ok, it means that we don't have any special
1024     // cursor
1025     if ( m_cursor == cursor )
1026     {
1027         // no change
1028         return false;
1029     }
1030
1031     m_cursor = cursor;
1032
1033     return true;
1034 }
1035
1036 wxFont wxWindowBase::GetFont() const
1037 {
1038     // logic is the same as in GetBackgroundColour()
1039     if ( !m_font.Ok() )
1040     {
1041         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1042
1043         wxFont font = GetDefaultAttributes().font;
1044         if ( !font.Ok() )
1045             font = GetClassDefaultAttributes().font;
1046
1047         return font;
1048     }
1049     else
1050         return m_font;
1051 }
1052
1053 bool wxWindowBase::SetFont(const wxFont& font)
1054 {
1055     if ( font == m_font )
1056     {
1057         // no change
1058         return false;
1059     }
1060
1061     m_font = font;
1062     m_hasFont = font.Ok();
1063     m_inheritFont = m_hasFont;
1064
1065     InvalidateBestSize();
1066
1067     return true;
1068 }
1069
1070 #if wxUSE_PALETTE
1071
1072 void wxWindowBase::SetPalette(const wxPalette& pal)
1073 {
1074     m_hasCustomPalette = true;
1075     m_palette = pal;
1076
1077     // VZ: can anyone explain me what do we do here?
1078     wxWindowDC d((wxWindow *) this);
1079     d.SetPalette(pal);
1080 }
1081
1082 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1083 {
1084     wxWindow *win = (wxWindow *)this;
1085     while ( win && !win->HasCustomPalette() )
1086     {
1087         win = win->GetParent();
1088     }
1089
1090     return win;
1091 }
1092
1093 #endif // wxUSE_PALETTE
1094
1095 #if wxUSE_CARET
1096 void wxWindowBase::SetCaret(wxCaret *caret)
1097 {
1098     if ( m_caret )
1099     {
1100         delete m_caret;
1101     }
1102
1103     m_caret = caret;
1104
1105     if ( m_caret )
1106     {
1107         wxASSERT_MSG( m_caret->GetWindow() == this,
1108                       wxT("caret should be created associated to this window") );
1109     }
1110 }
1111 #endif // wxUSE_CARET
1112
1113 #if wxUSE_VALIDATORS
1114 // ----------------------------------------------------------------------------
1115 // validators
1116 // ----------------------------------------------------------------------------
1117
1118 void wxWindowBase::SetValidator(const wxValidator& validator)
1119 {
1120     if ( m_windowValidator )
1121         delete m_windowValidator;
1122
1123     m_windowValidator = (wxValidator *)validator.Clone();
1124
1125     if ( m_windowValidator )
1126         m_windowValidator->SetWindow(this);
1127 }
1128 #endif // wxUSE_VALIDATORS
1129
1130 // ----------------------------------------------------------------------------
1131 // update region stuff
1132 // ----------------------------------------------------------------------------
1133
1134 wxRect wxWindowBase::GetUpdateClientRect() const
1135 {
1136     wxRegion rgnUpdate = GetUpdateRegion();
1137     rgnUpdate.Intersect(GetClientRect());
1138     wxRect rectUpdate = rgnUpdate.GetBox();
1139     wxPoint ptOrigin = GetClientAreaOrigin();
1140     rectUpdate.x -= ptOrigin.x;
1141     rectUpdate.y -= ptOrigin.y;
1142
1143     return rectUpdate;
1144 }
1145
1146 bool wxWindowBase::IsExposed(int x, int y) const
1147 {
1148     return m_updateRegion.Contains(x, y) != wxOutRegion;
1149 }
1150
1151 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1152 {
1153     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1154 }
1155
1156 void wxWindowBase::ClearBackground()
1157 {
1158     // wxGTK uses its own version, no need to add never used code
1159 #ifndef __WXGTK__
1160     wxClientDC dc((wxWindow *)this);
1161     wxBrush brush(GetBackgroundColour(), wxSOLID);
1162     dc.SetBackground(brush);
1163     dc.Clear();
1164 #endif // __WXGTK__
1165 }
1166
1167 // ----------------------------------------------------------------------------
1168 // find child window by id or name
1169 // ----------------------------------------------------------------------------
1170
1171 wxWindow *wxWindowBase::FindWindow(long id) const
1172 {
1173     if ( id == m_windowId )
1174         return (wxWindow *)this;
1175
1176     wxWindowBase *res = (wxWindow *)NULL;
1177     wxWindowList::compatibility_iterator node;
1178     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1179     {
1180         wxWindowBase *child = node->GetData();
1181         res = child->FindWindow( id );
1182     }
1183
1184     return (wxWindow *)res;
1185 }
1186
1187 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1188 {
1189     if ( name == m_windowName )
1190         return (wxWindow *)this;
1191
1192     wxWindowBase *res = (wxWindow *)NULL;
1193     wxWindowList::compatibility_iterator node;
1194     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1195     {
1196         wxWindow *child = node->GetData();
1197         res = child->FindWindow(name);
1198     }
1199
1200     return (wxWindow *)res;
1201 }
1202
1203
1204 // find any window by id or name or label: If parent is non-NULL, look through
1205 // children for a label or title matching the specified string. If NULL, look
1206 // through all top-level windows.
1207 //
1208 // to avoid duplicating code we reuse the same helper function but with
1209 // different comparators
1210
1211 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1212                                 const wxString& label, long id);
1213
1214 static
1215 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1216                            long WXUNUSED(id))
1217 {
1218     return win->GetLabel() == label;
1219 }
1220
1221 static
1222 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1223                           long WXUNUSED(id))
1224 {
1225     return win->GetName() == label;
1226 }
1227
1228 static
1229 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1230                         long id)
1231 {
1232     return win->GetId() == id;
1233 }
1234
1235 // recursive helper for the FindWindowByXXX() functions
1236 static
1237 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1238                                   const wxString& label,
1239                                   long id,
1240                                   wxFindWindowCmp cmp)
1241 {
1242     if ( parent )
1243     {
1244         // see if this is the one we're looking for
1245         if ( (*cmp)(parent, label, id) )
1246             return (wxWindow *)parent;
1247
1248         // It wasn't, so check all its children
1249         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1250               node;
1251               node = node->GetNext() )
1252         {
1253             // recursively check each child
1254             wxWindow *win = (wxWindow *)node->GetData();
1255             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1256             if (retwin)
1257                 return retwin;
1258         }
1259     }
1260
1261     // Not found
1262     return NULL;
1263 }
1264
1265 // helper for FindWindowByXXX()
1266 static
1267 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1268                              const wxString& label,
1269                              long id,
1270                              wxFindWindowCmp cmp)
1271 {
1272     if ( parent )
1273     {
1274         // just check parent and all its children
1275         return wxFindWindowRecursively(parent, label, id, cmp);
1276     }
1277
1278     // start at very top of wx's windows
1279     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1280           node;
1281           node = node->GetNext() )
1282     {
1283         // recursively check each window & its children
1284         wxWindow *win = node->GetData();
1285         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1286         if (retwin)
1287             return retwin;
1288     }
1289
1290     return NULL;
1291 }
1292
1293 /* static */
1294 wxWindow *
1295 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1296 {
1297     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1298 }
1299
1300 /* static */
1301 wxWindow *
1302 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1303 {
1304     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1305
1306     if ( !win )
1307     {
1308         // fall back to the label
1309         win = FindWindowByLabel(title, parent);
1310     }
1311
1312     return win;
1313 }
1314
1315 /* static */
1316 wxWindow *
1317 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1318 {
1319     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1320 }
1321
1322 // ----------------------------------------------------------------------------
1323 // dialog oriented functions
1324 // ----------------------------------------------------------------------------
1325
1326 void wxWindowBase::MakeModal(bool modal)
1327 {
1328     // Disable all other windows
1329     if ( IsTopLevel() )
1330     {
1331         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1332         while (node)
1333         {
1334             wxWindow *win = node->GetData();
1335             if (win != this)
1336                 win->Enable(!modal);
1337
1338             node = node->GetNext();
1339         }
1340     }
1341 }
1342
1343 bool wxWindowBase::Validate()
1344 {
1345 #if wxUSE_VALIDATORS
1346     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1347
1348     wxWindowList::compatibility_iterator node;
1349     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1350     {
1351         wxWindowBase *child = node->GetData();
1352         wxValidator *validator = child->GetValidator();
1353         if ( validator && !validator->Validate((wxWindow *)this) )
1354         {
1355             return false;
1356         }
1357
1358         if ( recurse && !child->Validate() )
1359         {
1360             return false;
1361         }
1362     }
1363 #endif // wxUSE_VALIDATORS
1364
1365     return true;
1366 }
1367
1368 bool wxWindowBase::TransferDataToWindow()
1369 {
1370 #if wxUSE_VALIDATORS
1371     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1372
1373     wxWindowList::compatibility_iterator node;
1374     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1375     {
1376         wxWindowBase *child = node->GetData();
1377         wxValidator *validator = child->GetValidator();
1378         if ( validator && !validator->TransferToWindow() )
1379         {
1380             wxLogWarning(_("Could not transfer data to window"));
1381 #if wxUSE_LOG
1382             wxLog::FlushActive();
1383 #endif // wxUSE_LOG
1384
1385             return false;
1386         }
1387
1388         if ( recurse )
1389         {
1390             if ( !child->TransferDataToWindow() )
1391             {
1392                 // warning already given
1393                 return false;
1394             }
1395         }
1396     }
1397 #endif // wxUSE_VALIDATORS
1398
1399     return true;
1400 }
1401
1402 bool wxWindowBase::TransferDataFromWindow()
1403 {
1404 #if wxUSE_VALIDATORS
1405     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1406
1407     wxWindowList::compatibility_iterator node;
1408     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1409     {
1410         wxWindow *child = node->GetData();
1411         wxValidator *validator = child->GetValidator();
1412         if ( validator && !validator->TransferFromWindow() )
1413         {
1414             // nop warning here because the application is supposed to give
1415             // one itself - we don't know here what might have gone wrongly
1416
1417             return false;
1418         }
1419
1420         if ( recurse )
1421         {
1422             if ( !child->TransferDataFromWindow() )
1423             {
1424                 // warning already given
1425                 return false;
1426             }
1427         }
1428     }
1429 #endif // wxUSE_VALIDATORS
1430
1431     return true;
1432 }
1433
1434 void wxWindowBase::InitDialog()
1435 {
1436     wxInitDialogEvent event(GetId());
1437     event.SetEventObject( this );
1438     GetEventHandler()->ProcessEvent(event);
1439 }
1440
1441 // ----------------------------------------------------------------------------
1442 // context-sensitive help support
1443 // ----------------------------------------------------------------------------
1444
1445 #if wxUSE_HELP
1446
1447 // associate this help text with this window
1448 void wxWindowBase::SetHelpText(const wxString& text)
1449 {
1450     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1451     if ( helpProvider )
1452     {
1453         helpProvider->AddHelp(this, text);
1454     }
1455 }
1456
1457 // associate this help text with all windows with the same id as this
1458 // one
1459 void wxWindowBase::SetHelpTextForId(const wxString& text)
1460 {
1461     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1462     if ( helpProvider )
1463     {
1464         helpProvider->AddHelp(GetId(), text);
1465     }
1466 }
1467
1468 // get the help string associated with this window (may be empty)
1469 // default implementation forwards calls to the help provider
1470 wxString
1471 wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt),
1472                                  wxHelpEvent::Origin WXUNUSED(origin)) const
1473 {
1474     wxString text;
1475     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1476     if ( helpProvider )
1477     {
1478         text = helpProvider->GetHelp(this);
1479     }
1480
1481     return text;
1482 }
1483
1484 // show help for this window
1485 void wxWindowBase::OnHelp(wxHelpEvent& event)
1486 {
1487     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1488     if ( helpProvider )
1489     {
1490         if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
1491         {
1492             // skip the event.Skip() below
1493             return;
1494         }
1495     }
1496
1497     event.Skip();
1498 }
1499
1500 #endif // wxUSE_HELP
1501
1502 // ----------------------------------------------------------------------------
1503 // tooltipsroot.Replace("\\", "/");
1504 // ----------------------------------------------------------------------------
1505
1506 #if wxUSE_TOOLTIPS
1507
1508 void wxWindowBase::SetToolTip( const wxString &tip )
1509 {
1510     // don't create the new tooltip if we already have one
1511     if ( m_tooltip )
1512     {
1513         m_tooltip->SetTip( tip );
1514     }
1515     else
1516     {
1517         SetToolTip( new wxToolTip( tip ) );
1518     }
1519
1520     // setting empty tooltip text does not remove the tooltip any more - use
1521     // SetToolTip((wxToolTip *)NULL) for this
1522 }
1523
1524 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1525 {
1526     if ( m_tooltip != tooltip )
1527     {
1528         if ( m_tooltip )
1529             delete m_tooltip;
1530
1531         m_tooltip = tooltip;
1532     }
1533 }
1534
1535 #endif // wxUSE_TOOLTIPS
1536
1537 // ----------------------------------------------------------------------------
1538 // constraints and sizers
1539 // ----------------------------------------------------------------------------
1540
1541 #if wxUSE_CONSTRAINTS
1542
1543 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1544 {
1545     if ( m_constraints )
1546     {
1547         UnsetConstraints(m_constraints);
1548         delete m_constraints;
1549     }
1550     m_constraints = constraints;
1551     if ( m_constraints )
1552     {
1553         // Make sure other windows know they're part of a 'meaningful relationship'
1554         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1555             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1556         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1557             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1558         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1559             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1560         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1561             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1562         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1563             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1564         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1565             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1566         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1567             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1568         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1569             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1570     }
1571 }
1572
1573 // This removes any dangling pointers to this window in other windows'
1574 // constraintsInvolvedIn lists.
1575 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1576 {
1577     if ( c )
1578     {
1579         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1580             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1581         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1582             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1583         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1584             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1585         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1586             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1587         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1588             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1589         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1590             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1591         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1592             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1593         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1594             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1595     }
1596 }
1597
1598 // Back-pointer to other windows we're involved with, so if we delete this
1599 // window, we must delete any constraints we're involved with.
1600 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1601 {
1602     if ( !m_constraintsInvolvedIn )
1603         m_constraintsInvolvedIn = new wxWindowList;
1604     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1605         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1606 }
1607
1608 // REMOVE back-pointer to other windows we're involved with.
1609 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1610 {
1611     if ( m_constraintsInvolvedIn )
1612         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1613 }
1614
1615 // Reset any constraints that mention this window
1616 void wxWindowBase::DeleteRelatedConstraints()
1617 {
1618     if ( m_constraintsInvolvedIn )
1619     {
1620         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1621         while (node)
1622         {
1623             wxWindow *win = node->GetData();
1624             wxLayoutConstraints *constr = win->GetConstraints();
1625
1626             // Reset any constraints involving this window
1627             if ( constr )
1628             {
1629                 constr->left.ResetIfWin(this);
1630                 constr->top.ResetIfWin(this);
1631                 constr->right.ResetIfWin(this);
1632                 constr->bottom.ResetIfWin(this);
1633                 constr->width.ResetIfWin(this);
1634                 constr->height.ResetIfWin(this);
1635                 constr->centreX.ResetIfWin(this);
1636                 constr->centreY.ResetIfWin(this);
1637             }
1638
1639             wxWindowList::compatibility_iterator next = node->GetNext();
1640             m_constraintsInvolvedIn->Erase(node);
1641             node = next;
1642         }
1643
1644         delete m_constraintsInvolvedIn;
1645         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1646     }
1647 }
1648
1649 #endif // wxUSE_CONSTRAINTS
1650
1651 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1652 {
1653     if ( sizer == m_windowSizer)
1654         return;
1655
1656     if ( deleteOld )
1657         delete m_windowSizer;
1658
1659     m_windowSizer = sizer;
1660
1661     SetAutoLayout( sizer != NULL );
1662 }
1663
1664 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1665 {
1666     SetSizer( sizer, deleteOld );
1667     sizer->SetSizeHints( (wxWindow*) this );
1668 }
1669
1670
1671 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1672 {
1673     // adding a window to a sizer twice is going to result in fatal and
1674     // hard to debug problems later because when deleting the second
1675     // associated wxSizerItem we're going to dereference a dangling
1676     // pointer; so try to detect this as early as possible
1677     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1678                   _T("Adding a window to the same sizer twice?") );
1679
1680     m_containingSizer = sizer;
1681 }
1682
1683 #if wxUSE_CONSTRAINTS
1684
1685 void wxWindowBase::SatisfyConstraints()
1686 {
1687     wxLayoutConstraints *constr = GetConstraints();
1688     bool wasOk = constr && constr->AreSatisfied();
1689
1690     ResetConstraints();   // Mark all constraints as unevaluated
1691
1692     int noChanges = 1;
1693
1694     // if we're a top level panel (i.e. our parent is frame/dialog), our
1695     // own constraints will never be satisfied any more unless we do it
1696     // here
1697     if ( wasOk )
1698     {
1699         while ( noChanges > 0 )
1700         {
1701             LayoutPhase1(&noChanges);
1702         }
1703     }
1704
1705     LayoutPhase2(&noChanges);
1706 }
1707
1708 #endif // wxUSE_CONSTRAINTS
1709
1710 bool wxWindowBase::Layout()
1711 {
1712     // If there is a sizer, use it instead of the constraints
1713     if ( GetSizer() )
1714     {
1715         int w = 0, h = 0;
1716         GetVirtualSize(&w, &h);
1717         GetSizer()->SetDimension( 0, 0, w, h );
1718     }
1719 #if wxUSE_CONSTRAINTS
1720     else
1721     {
1722         SatisfyConstraints(); // Find the right constraints values
1723         SetConstraintSizes(); // Recursively set the real window sizes
1724     }
1725 #endif
1726
1727     return true;
1728 }
1729
1730 #if wxUSE_CONSTRAINTS
1731
1732 // first phase of the constraints evaluation: set our own constraints
1733 bool wxWindowBase::LayoutPhase1(int *noChanges)
1734 {
1735     wxLayoutConstraints *constr = GetConstraints();
1736
1737     return !constr || constr->SatisfyConstraints(this, noChanges);
1738 }
1739
1740 // second phase: set the constraints for our children
1741 bool wxWindowBase::LayoutPhase2(int *noChanges)
1742 {
1743     *noChanges = 0;
1744
1745     // Layout children
1746     DoPhase(1);
1747
1748     // Layout grand children
1749     DoPhase(2);
1750
1751     return true;
1752 }
1753
1754 // Do a phase of evaluating child constraints
1755 bool wxWindowBase::DoPhase(int phase)
1756 {
1757     // the list containing the children for which the constraints are already
1758     // set correctly
1759     wxWindowList succeeded;
1760
1761     // the max number of iterations we loop before concluding that we can't set
1762     // the constraints
1763     static const int maxIterations = 500;
1764
1765     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1766     {
1767         int noChanges = 0;
1768
1769         // loop over all children setting their constraints
1770         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1771               node;
1772               node = node->GetNext() )
1773         {
1774             wxWindow *child = node->GetData();
1775             if ( child->IsTopLevel() )
1776             {
1777                 // top level children are not inside our client area
1778                 continue;
1779             }
1780
1781             if ( !child->GetConstraints() || succeeded.Find(child) )
1782             {
1783                 // this one is either already ok or nothing we can do about it
1784                 continue;
1785             }
1786
1787             int tempNoChanges = 0;
1788             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1789                                       : child->LayoutPhase2(&tempNoChanges);
1790             noChanges += tempNoChanges;
1791
1792             if ( success )
1793             {
1794                 succeeded.Append(child);
1795             }
1796         }
1797
1798         if ( !noChanges )
1799         {
1800             // constraints are set
1801             break;
1802         }
1803     }
1804
1805     return true;
1806 }
1807
1808 void wxWindowBase::ResetConstraints()
1809 {
1810     wxLayoutConstraints *constr = GetConstraints();
1811     if ( constr )
1812     {
1813         constr->left.SetDone(false);
1814         constr->top.SetDone(false);
1815         constr->right.SetDone(false);
1816         constr->bottom.SetDone(false);
1817         constr->width.SetDone(false);
1818         constr->height.SetDone(false);
1819         constr->centreX.SetDone(false);
1820         constr->centreY.SetDone(false);
1821     }
1822
1823     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1824     while (node)
1825     {
1826         wxWindow *win = node->GetData();
1827         if ( !win->IsTopLevel() )
1828             win->ResetConstraints();
1829         node = node->GetNext();
1830     }
1831 }
1832
1833 // Need to distinguish between setting the 'fake' size for windows and sizers,
1834 // and setting the real values.
1835 void wxWindowBase::SetConstraintSizes(bool recurse)
1836 {
1837     wxLayoutConstraints *constr = GetConstraints();
1838     if ( constr && constr->AreSatisfied() )
1839     {
1840         int x = constr->left.GetValue();
1841         int y = constr->top.GetValue();
1842         int w = constr->width.GetValue();
1843         int h = constr->height.GetValue();
1844
1845         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1846              (constr->height.GetRelationship() != wxAsIs) )
1847         {
1848             SetSize(x, y, w, h);
1849         }
1850         else
1851         {
1852             // If we don't want to resize this window, just move it...
1853             Move(x, y);
1854         }
1855     }
1856     else if ( constr )
1857     {
1858         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1859                    GetClassInfo()->GetClassName(),
1860                    GetName().c_str());
1861     }
1862
1863     if ( recurse )
1864     {
1865         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1866         while (node)
1867         {
1868             wxWindow *win = node->GetData();
1869             if ( !win->IsTopLevel() && win->GetConstraints() )
1870                 win->SetConstraintSizes();
1871             node = node->GetNext();
1872         }
1873     }
1874 }
1875
1876 // Only set the size/position of the constraint (if any)
1877 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1878 {
1879     wxLayoutConstraints *constr = GetConstraints();
1880     if ( constr )
1881     {
1882         if ( x != wxDefaultCoord )
1883         {
1884             constr->left.SetValue(x);
1885             constr->left.SetDone(true);
1886         }
1887         if ( y != wxDefaultCoord )
1888         {
1889             constr->top.SetValue(y);
1890             constr->top.SetDone(true);
1891         }
1892         if ( w != wxDefaultCoord )
1893         {
1894             constr->width.SetValue(w);
1895             constr->width.SetDone(true);
1896         }
1897         if ( h != wxDefaultCoord )
1898         {
1899             constr->height.SetValue(h);
1900             constr->height.SetDone(true);
1901         }
1902     }
1903 }
1904
1905 void wxWindowBase::MoveConstraint(int x, int y)
1906 {
1907     wxLayoutConstraints *constr = GetConstraints();
1908     if ( constr )
1909     {
1910         if ( x != wxDefaultCoord )
1911         {
1912             constr->left.SetValue(x);
1913             constr->left.SetDone(true);
1914         }
1915         if ( y != wxDefaultCoord )
1916         {
1917             constr->top.SetValue(y);
1918             constr->top.SetDone(true);
1919         }
1920     }
1921 }
1922
1923 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
1924 {
1925     wxLayoutConstraints *constr = GetConstraints();
1926     if ( constr )
1927     {
1928         *w = constr->width.GetValue();
1929         *h = constr->height.GetValue();
1930     }
1931     else
1932         GetSize(w, h);
1933 }
1934
1935 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
1936 {
1937     wxLayoutConstraints *constr = GetConstraints();
1938     if ( constr )
1939     {
1940         *w = constr->width.GetValue();
1941         *h = constr->height.GetValue();
1942     }
1943     else
1944         GetClientSize(w, h);
1945 }
1946
1947 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
1948 {
1949     wxLayoutConstraints *constr = GetConstraints();
1950     if ( constr )
1951     {
1952         *x = constr->left.GetValue();
1953         *y = constr->top.GetValue();
1954     }
1955     else
1956         GetPosition(x, y);
1957 }
1958
1959 #endif // wxUSE_CONSTRAINTS
1960
1961 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
1962 {
1963     // don't do it for the dialogs/frames - they float independently of their
1964     // parent
1965     if ( !IsTopLevel() )
1966     {
1967         wxWindow *parent = GetParent();
1968         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1969         {
1970             wxPoint pt(parent->GetClientAreaOrigin());
1971             x += pt.x;
1972             y += pt.y;
1973         }
1974     }
1975 }
1976
1977 // ----------------------------------------------------------------------------
1978 // do Update UI processing for child controls
1979 // ----------------------------------------------------------------------------
1980
1981 void wxWindowBase::UpdateWindowUI(long flags)
1982 {
1983     wxUpdateUIEvent event(GetId());
1984     event.SetEventObject(this);
1985
1986     if ( GetEventHandler()->ProcessEvent(event) )
1987     {
1988         DoUpdateWindowUI(event);
1989     }
1990
1991     if (flags & wxUPDATE_UI_RECURSE)
1992     {
1993         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1994         while (node)
1995         {
1996             wxWindow* child = (wxWindow*) node->GetData();
1997             child->UpdateWindowUI(flags);
1998             node = node->GetNext();
1999         }
2000     }
2001 }
2002
2003 // do the window-specific processing after processing the update event
2004 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2005 {
2006     if ( event.GetSetEnabled() )
2007         Enable(event.GetEnabled());
2008
2009     if ( event.GetSetShown() )
2010         Show(event.GetShown());
2011 }
2012
2013 #if 0
2014 // call internal idle recursively
2015 // may be obsolete (wait until OnIdle scheme stabilises)
2016 void wxWindowBase::ProcessInternalIdle()
2017 {
2018     OnInternalIdle();
2019
2020     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2021     while (node)
2022     {
2023         wxWindow *child = node->GetData();
2024         child->ProcessInternalIdle();
2025         node = node->GetNext();
2026     }
2027 }
2028 #endif
2029
2030 // ----------------------------------------------------------------------------
2031 // dialog units translations
2032 // ----------------------------------------------------------------------------
2033
2034 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2035 {
2036     int charWidth = GetCharWidth();
2037     int charHeight = GetCharHeight();
2038     wxPoint pt2 = wxDefaultPosition;
2039     if (pt.x != wxDefaultCoord)
2040         pt2.x = (int) ((pt.x * 4) / charWidth);
2041     if (pt.y != wxDefaultCoord)
2042         pt2.y = (int) ((pt.y * 8) / charHeight);
2043
2044     return pt2;
2045 }
2046
2047 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2048 {
2049     int charWidth = GetCharWidth();
2050     int charHeight = GetCharHeight();
2051     wxPoint pt2 = wxDefaultPosition;
2052     if (pt.x != wxDefaultCoord)
2053         pt2.x = (int) ((pt.x * charWidth) / 4);
2054     if (pt.y != wxDefaultCoord)
2055         pt2.y = (int) ((pt.y * charHeight) / 8);
2056
2057     return pt2;
2058 }
2059
2060 // ----------------------------------------------------------------------------
2061 // event handlers
2062 // ----------------------------------------------------------------------------
2063
2064 // propagate the colour change event to the subwindows
2065 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2066 {
2067     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2068     while ( node )
2069     {
2070         // Only propagate to non-top-level windows
2071         wxWindow *win = node->GetData();
2072         if ( !win->IsTopLevel() )
2073         {
2074             wxSysColourChangedEvent event2;
2075             event.SetEventObject(win);
2076             win->GetEventHandler()->ProcessEvent(event2);
2077         }
2078
2079         node = node->GetNext();
2080     }
2081
2082     Refresh();
2083 }
2084
2085 // the default action is to populate dialog with data when it's created,
2086 // and nudge the UI into displaying itself correctly in case
2087 // we've turned the wxUpdateUIEvents frequency down low.
2088 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2089 {
2090     TransferDataToWindow();
2091
2092     // Update the UI at this point
2093     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2094 }
2095
2096 // methods for drawing the sizers in a visible way
2097 #ifdef __WXDEBUG__
2098
2099 static void DrawSizers(wxWindowBase *win);
2100
2101 static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
2102 {
2103     wxClientDC dc((wxWindow *)win);
2104     dc.SetPen(*wxRED_PEN);
2105     dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
2106     dc.DrawRectangle(rect.Deflate(1, 1));
2107 }
2108
2109 static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
2110 {
2111     const wxSizerItemList& items = sizer->GetChildren();
2112     for ( wxSizerItemList::const_iterator i = items.begin(),
2113                                         end = items.end();
2114           i != end;
2115           ++i )
2116     {
2117         wxSizerItem *item = *i;
2118         if ( item->IsSizer() )
2119         {
2120             DrawBorder(win, item->GetRect().Deflate(2));
2121             DrawSizer(win, item->GetSizer());
2122         }
2123         else if ( item->IsSpacer() )
2124         {
2125             DrawBorder(win, item->GetRect().Deflate(2), true);
2126         }
2127         else if ( item->IsWindow() )
2128         {
2129             DrawSizers(item->GetWindow());
2130         }
2131     }
2132 }
2133
2134 static void DrawSizers(wxWindowBase *win)
2135 {
2136     wxSizer *sizer = win->GetSizer();
2137     if ( sizer )
2138     {
2139         DrawBorder(win, win->GetClientSize());
2140         DrawSizer(win, sizer);
2141     }
2142     else // no sizer, still recurse into the children
2143     {
2144         const wxWindowList& children = win->GetChildren();
2145         for ( wxWindowList::const_iterator i = children.begin(),
2146                                          end = children.end();
2147               i != end;
2148               ++i )
2149         {
2150             DrawSizers(*i);
2151         }
2152     }
2153 }
2154
2155 #endif // __WXDEBUG__
2156
2157 // process special middle clicks
2158 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2159 {
2160     if ( event.ControlDown() && event.AltDown() )
2161     {
2162 #ifdef __WXDEBUG__
2163         // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
2164         if ( event.ShiftDown() )
2165         {
2166             DrawSizers(this);
2167             return;
2168         }
2169 #endif // __WXDEBUG__
2170
2171 #if wxUSE_MSGDLG
2172         // don't translate these strings
2173         wxString port;
2174
2175 #ifdef __WXUNIVERSAL__
2176         port = _T("Univ/");
2177 #endif // __WXUNIVERSAL__
2178
2179         switch ( wxGetOsVersion() )
2180         {
2181             case wxMOTIF_X:            port += _T("Motif"); break;
2182             case wxMAC:
2183             case wxMAC_DARWIN:         port += _T("Mac"); break;
2184             case wxBEOS:               port += _T("BeOS"); break;
2185             case wxGTK:
2186             case wxGTK_WIN32:
2187             case wxGTK_OS2:
2188             case wxGTK_BEOS:           port += _T("GTK"); break;
2189             case wxWINDOWS:
2190             case wxPENWINDOWS:
2191             case wxWINDOWS_NT:
2192             case wxWIN32S:
2193             case wxWIN95:
2194             case wxWIN386:             port += _T("MS Windows"); break;
2195             case wxMGL_UNIX:
2196             case wxMGL_X:
2197             case wxMGL_WIN32:
2198             case wxMGL_OS2:            port += _T("MGL"); break;
2199             case wxWINDOWS_OS2:
2200             case wxOS2_PM:             port += _T("OS/2"); break;
2201             case wxPALMOS:             port += _T("Palm OS"); break;
2202             case wxWINDOWS_CE:         port += _T("Windows CE (generic)"); break;
2203             case wxWINDOWS_POCKETPC:   port += _T("Windows CE PocketPC"); break;
2204             case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break;
2205             default:            port += _T("unknown"); break;
2206         }
2207
2208         wxMessageBox(wxString::Format(
2209                                       _T(
2210                                         "       wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n   Copyright (c) 1995-2006 wxWidgets team"
2211                                         ),
2212                                       port.c_str(),
2213                                       wxMAJOR_VERSION,
2214                                       wxMINOR_VERSION,
2215                                       wxRELEASE_NUMBER,
2216 #if wxUSE_UNICODE
2217                                       L" (Unicode)",
2218 #else
2219                                       "",
2220 #endif
2221 #ifdef __WXDEBUG__
2222                                       _T(" Debug build"),
2223 #else
2224                                       wxEmptyString,
2225 #endif
2226                                       __TDATE__,
2227                                       __TTIME__,
2228 #ifdef __WXGTK__
2229                                       wxString::Format(_T("\nagainst GTK+ %d.%d.%d. Runtime GTK+ version: %d.%d.%d"), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION, gtk_major_version, gtk_minor_version, gtk_micro_version).c_str()
2230 #else
2231                                       ""
2232 #endif
2233                                      ),
2234                      _T("wxWidgets information"),
2235                      wxICON_INFORMATION | wxOK,
2236                      (wxWindow *)this);
2237     }
2238     else
2239 #endif // wxUSE_MSGDLG
2240     {
2241         event.Skip();
2242     }
2243 }
2244
2245 // ----------------------------------------------------------------------------
2246 // accessibility
2247 // ----------------------------------------------------------------------------
2248
2249 #if wxUSE_ACCESSIBILITY
2250 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2251 {
2252     if (m_accessible && (accessible != m_accessible))
2253         delete m_accessible;
2254     m_accessible = accessible;
2255     if (m_accessible)
2256         m_accessible->SetWindow((wxWindow*) this);
2257 }
2258
2259 // Returns the accessible object, creating if necessary.
2260 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2261 {
2262     if (!m_accessible)
2263         m_accessible = CreateAccessible();
2264     return m_accessible;
2265 }
2266
2267 // Override to create a specific accessible object.
2268 wxAccessible* wxWindowBase::CreateAccessible()
2269 {
2270     return new wxWindowAccessible((wxWindow*) this);
2271 }
2272
2273 #endif
2274
2275 // ----------------------------------------------------------------------------
2276 // list classes implementation
2277 // ----------------------------------------------------------------------------
2278
2279 #if wxUSE_STL
2280
2281 #include "wx/listimpl.cpp"
2282 WX_DEFINE_LIST(wxWindowList)
2283
2284 #else
2285
2286 void wxWindowListNode::DeleteData()
2287 {
2288     delete (wxWindow *)GetData();
2289 }
2290
2291 #endif
2292
2293 // ----------------------------------------------------------------------------
2294 // borders
2295 // ----------------------------------------------------------------------------
2296
2297 wxBorder wxWindowBase::GetBorder(long flags) const
2298 {
2299     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2300     if ( border == wxBORDER_DEFAULT )
2301     {
2302         border = GetDefaultBorder();
2303     }
2304
2305     return border;
2306 }
2307
2308 wxBorder wxWindowBase::GetDefaultBorder() const
2309 {
2310     return wxBORDER_NONE;
2311 }
2312
2313 // ----------------------------------------------------------------------------
2314 // hit testing
2315 // ----------------------------------------------------------------------------
2316
2317 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2318 {
2319     // here we just check if the point is inside the window or not
2320
2321     // check the top and left border first
2322     bool outside = x < 0 || y < 0;
2323     if ( !outside )
2324     {
2325         // check the right and bottom borders too
2326         wxSize size = GetSize();
2327         outside = x >= size.x || y >= size.y;
2328     }
2329
2330     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2331 }
2332
2333 // ----------------------------------------------------------------------------
2334 // mouse capture
2335 // ----------------------------------------------------------------------------
2336
2337 struct WXDLLEXPORT wxWindowNext
2338 {
2339     wxWindow *win;
2340     wxWindowNext *next;
2341 } *wxWindowBase::ms_winCaptureNext = NULL;
2342
2343 void wxWindowBase::CaptureMouse()
2344 {
2345     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2346
2347     wxWindow *winOld = GetCapture();
2348     if ( winOld )
2349     {
2350         ((wxWindowBase*) winOld)->DoReleaseMouse();
2351
2352         // save it on stack
2353         wxWindowNext *item = new wxWindowNext;
2354         item->win = winOld;
2355         item->next = ms_winCaptureNext;
2356         ms_winCaptureNext = item;
2357     }
2358     //else: no mouse capture to save
2359
2360     DoCaptureMouse();
2361 }
2362
2363 void wxWindowBase::ReleaseMouse()
2364 {
2365     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2366
2367     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2368
2369     DoReleaseMouse();
2370
2371     if ( ms_winCaptureNext )
2372     {
2373         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2374
2375         wxWindowNext *item = ms_winCaptureNext;
2376         ms_winCaptureNext = item->next;
2377         delete item;
2378     }
2379     //else: stack is empty, no previous capture
2380
2381     wxLogTrace(_T("mousecapture"),
2382         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2383         GetCapture());
2384 }
2385
2386 #if wxUSE_HOTKEY
2387
2388 bool
2389 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2390                              int WXUNUSED(modifiers),
2391                              int WXUNUSED(keycode))
2392 {
2393     // not implemented
2394     return false;
2395 }
2396
2397 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2398 {
2399     // not implemented
2400     return false;
2401 }
2402
2403 #endif // wxUSE_HOTKEY
2404
2405 void wxWindowBase::SendDestroyEvent()
2406 {
2407     wxWindowDestroyEvent event;
2408     event.SetEventObject(this);
2409     event.SetId(GetId());
2410     GetEventHandler()->ProcessEvent(event);
2411 }
2412
2413 // ----------------------------------------------------------------------------
2414 // event processing
2415 // ----------------------------------------------------------------------------
2416
2417 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2418 {
2419 #if wxUSE_VALIDATORS
2420     // Can only use the validator of the window which
2421     // is receiving the event
2422     if ( event.GetEventObject() == this )
2423     {
2424         wxValidator *validator = GetValidator();
2425         if ( validator && validator->ProcessEvent(event) )
2426         {
2427             return true;
2428         }
2429     }
2430 #endif // wxUSE_VALIDATORS
2431
2432     return false;
2433 }
2434
2435 bool wxWindowBase::TryParent(wxEvent& event)
2436 {
2437     // carry on up the parent-child hierarchy if the propagation count hasn't
2438     // reached zero yet
2439     if ( event.ShouldPropagate() )
2440     {
2441         // honour the requests to stop propagation at this window: this is
2442         // used by the dialogs, for example, to prevent processing the events
2443         // from the dialog controls in the parent frame which rarely, if ever,
2444         // makes sense
2445         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2446         {
2447             wxWindow *parent = GetParent();
2448             if ( parent && !parent->IsBeingDeleted() )
2449             {
2450                 wxPropagateOnce propagateOnce(event);
2451
2452                 return parent->GetEventHandler()->ProcessEvent(event);
2453             }
2454         }
2455     }
2456
2457     return wxEvtHandler::TryParent(event);
2458 }
2459
2460 // ----------------------------------------------------------------------------
2461 // keyboard navigation
2462 // ----------------------------------------------------------------------------
2463
2464 // Navigates in the specified direction.
2465 bool wxWindowBase::Navigate(int flags)
2466 {
2467     wxNavigationKeyEvent eventNav;
2468     eventNav.SetFlags(flags);
2469     eventNav.SetEventObject(this);
2470     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2471     {
2472         return true;
2473     }
2474     return false;
2475 }
2476
2477 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2478 {
2479     // check that we're not a top level window
2480     wxCHECK_RET( GetParent(),
2481                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2482
2483     // detect the special case when we have nothing to do anyhow and when the
2484     // code below wouldn't work
2485     if ( win == this )
2486         return;
2487
2488     // find the target window in the siblings list
2489     wxWindowList& siblings = GetParent()->GetChildren();
2490     wxWindowList::compatibility_iterator i = siblings.Find(win);
2491     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2492
2493     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2494     // can't just move the node around
2495     wxWindow *self = (wxWindow *)this;
2496     siblings.DeleteObject(self);
2497     if ( move == MoveAfter )
2498     {
2499         i = i->GetNext();
2500     }
2501
2502     if ( i )
2503     {
2504         siblings.Insert(i, self);
2505     }
2506     else // MoveAfter and win was the last sibling
2507     {
2508         siblings.Append(self);
2509     }
2510 }
2511
2512 // ----------------------------------------------------------------------------
2513 // focus handling
2514 // ----------------------------------------------------------------------------
2515
2516 /*static*/ wxWindow* wxWindowBase::FindFocus()
2517 {
2518     wxWindowBase *win = DoFindFocus();
2519     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2520 }
2521
2522 // ----------------------------------------------------------------------------
2523 // global functions
2524 // ----------------------------------------------------------------------------
2525
2526 wxWindow* wxGetTopLevelParent(wxWindow *win)
2527 {
2528     while ( win && !win->IsTopLevel() )
2529          win = win->GetParent();
2530
2531     return win;
2532 }
2533
2534 #if wxUSE_ACCESSIBILITY
2535 // ----------------------------------------------------------------------------
2536 // accessible object for windows
2537 // ----------------------------------------------------------------------------
2538
2539 // Can return either a child object, or an integer
2540 // representing the child element, starting from 1.
2541 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2542 {
2543     wxASSERT( GetWindow() != NULL );
2544     if (!GetWindow())
2545         return wxACC_FAIL;
2546
2547     return wxACC_NOT_IMPLEMENTED;
2548 }
2549
2550 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2551 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2552 {
2553     wxASSERT( GetWindow() != NULL );
2554     if (!GetWindow())
2555         return wxACC_FAIL;
2556
2557     wxWindow* win = NULL;
2558     if (elementId == 0)
2559     {
2560         win = GetWindow();
2561     }
2562     else
2563     {
2564         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2565         {
2566             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2567         }
2568         else
2569             return wxACC_FAIL;
2570     }
2571     if (win)
2572     {
2573         rect = win->GetRect();
2574         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2575             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2576         return wxACC_OK;
2577     }
2578
2579     return wxACC_NOT_IMPLEMENTED;
2580 }
2581
2582 // Navigates from fromId to toId/toObject.
2583 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2584                              int* WXUNUSED(toId), wxAccessible** toObject)
2585 {
2586     wxASSERT( GetWindow() != NULL );
2587     if (!GetWindow())
2588         return wxACC_FAIL;
2589
2590     switch (navDir)
2591     {
2592     case wxNAVDIR_FIRSTCHILD:
2593         {
2594             if (GetWindow()->GetChildren().GetCount() == 0)
2595                 return wxACC_FALSE;
2596             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2597             *toObject = childWindow->GetOrCreateAccessible();
2598
2599             return wxACC_OK;
2600         }
2601     case wxNAVDIR_LASTCHILD:
2602         {
2603             if (GetWindow()->GetChildren().GetCount() == 0)
2604                 return wxACC_FALSE;
2605             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2606             *toObject = childWindow->GetOrCreateAccessible();
2607
2608             return wxACC_OK;
2609         }
2610     case wxNAVDIR_RIGHT:
2611     case wxNAVDIR_DOWN:
2612     case wxNAVDIR_NEXT:
2613         {
2614             wxWindowList::compatibility_iterator node =
2615                 wxWindowList::compatibility_iterator();
2616             if (fromId == 0)
2617             {
2618                 // Can't navigate to sibling of this window
2619                 // if we're a top-level window.
2620                 if (!GetWindow()->GetParent())
2621                     return wxACC_NOT_IMPLEMENTED;
2622
2623                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2624             }
2625             else
2626             {
2627                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2628                     node = GetWindow()->GetChildren().Item(fromId-1);
2629             }
2630
2631             if (node && node->GetNext())
2632             {
2633                 wxWindow* nextWindow = node->GetNext()->GetData();
2634                 *toObject = nextWindow->GetOrCreateAccessible();
2635                 return wxACC_OK;
2636             }
2637             else
2638                 return wxACC_FALSE;
2639         }
2640     case wxNAVDIR_LEFT:
2641     case wxNAVDIR_UP:
2642     case wxNAVDIR_PREVIOUS:
2643         {
2644             wxWindowList::compatibility_iterator node =
2645                 wxWindowList::compatibility_iterator();
2646             if (fromId == 0)
2647             {
2648                 // Can't navigate to sibling of this window
2649                 // if we're a top-level window.
2650                 if (!GetWindow()->GetParent())
2651                     return wxACC_NOT_IMPLEMENTED;
2652
2653                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2654             }
2655             else
2656             {
2657                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2658                     node = GetWindow()->GetChildren().Item(fromId-1);
2659             }
2660
2661             if (node && node->GetPrevious())
2662             {
2663                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2664                 *toObject = previousWindow->GetOrCreateAccessible();
2665                 return wxACC_OK;
2666             }
2667             else
2668                 return wxACC_FALSE;
2669         }
2670     }
2671
2672     return wxACC_NOT_IMPLEMENTED;
2673 }
2674
2675 // Gets the name of the specified object.
2676 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2677 {
2678     wxASSERT( GetWindow() != NULL );
2679     if (!GetWindow())
2680         return wxACC_FAIL;
2681
2682     wxString title;
2683
2684     // If a child, leave wxWidgets to call the function on the actual
2685     // child object.
2686     if (childId > 0)
2687         return wxACC_NOT_IMPLEMENTED;
2688
2689     // This will eventually be replaced by specialised
2690     // accessible classes, one for each kind of wxWidgets
2691     // control or window.
2692 #if wxUSE_BUTTON
2693     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2694         title = ((wxButton*) GetWindow())->GetLabel();
2695     else
2696 #endif
2697         title = GetWindow()->GetName();
2698
2699     if (!title.empty())
2700     {
2701         *name = title;
2702         return wxACC_OK;
2703     }
2704     else
2705         return wxACC_NOT_IMPLEMENTED;
2706 }
2707
2708 // Gets the number of children.
2709 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2710 {
2711     wxASSERT( GetWindow() != NULL );
2712     if (!GetWindow())
2713         return wxACC_FAIL;
2714
2715     *childId = (int) GetWindow()->GetChildren().GetCount();
2716     return wxACC_OK;
2717 }
2718
2719 // Gets the specified child (starting from 1).
2720 // If *child is NULL and return value is wxACC_OK,
2721 // this means that the child is a simple element and
2722 // not an accessible object.
2723 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2724 {
2725     wxASSERT( GetWindow() != NULL );
2726     if (!GetWindow())
2727         return wxACC_FAIL;
2728
2729     if (childId == 0)
2730     {
2731         *child = this;
2732         return wxACC_OK;
2733     }
2734
2735     if (childId > (int) GetWindow()->GetChildren().GetCount())
2736         return wxACC_FAIL;
2737
2738     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2739     *child = childWindow->GetOrCreateAccessible();
2740     if (*child)
2741         return wxACC_OK;
2742     else
2743         return wxACC_FAIL;
2744 }
2745
2746 // Gets the parent, or NULL.
2747 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2748 {
2749     wxASSERT( GetWindow() != NULL );
2750     if (!GetWindow())
2751         return wxACC_FAIL;
2752
2753     wxWindow* parentWindow = GetWindow()->GetParent();
2754     if (!parentWindow)
2755     {
2756         *parent = NULL;
2757         return wxACC_OK;
2758     }
2759     else
2760     {
2761         *parent = parentWindow->GetOrCreateAccessible();
2762         if (*parent)
2763             return wxACC_OK;
2764         else
2765             return wxACC_FAIL;
2766     }
2767 }
2768
2769 // Performs the default action. childId is 0 (the action for this object)
2770 // or > 0 (the action for a child).
2771 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2772 // window (e.g. an edit control).
2773 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2774 {
2775     wxASSERT( GetWindow() != NULL );
2776     if (!GetWindow())
2777         return wxACC_FAIL;
2778
2779     return wxACC_NOT_IMPLEMENTED;
2780 }
2781
2782 // Gets the default action for this object (0) or > 0 (the action for a child).
2783 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2784 // string if there is no action.
2785 // The retrieved string describes the action that is performed on an object,
2786 // not what the object does as a result. For example, a toolbar button that prints
2787 // a document has a default action of "Press" rather than "Prints the current document."
2788 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2789 {
2790     wxASSERT( GetWindow() != NULL );
2791     if (!GetWindow())
2792         return wxACC_FAIL;
2793
2794     return wxACC_NOT_IMPLEMENTED;
2795 }
2796
2797 // Returns the description for this object or a child.
2798 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2799 {
2800     wxASSERT( GetWindow() != NULL );
2801     if (!GetWindow())
2802         return wxACC_FAIL;
2803
2804     wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2805     if (!ht.empty())
2806     {
2807         *description = ht;
2808         return wxACC_OK;
2809     }
2810     return wxACC_NOT_IMPLEMENTED;
2811 }
2812
2813 // Returns help text for this object or a child, similar to tooltip text.
2814 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2815 {
2816     wxASSERT( GetWindow() != NULL );
2817     if (!GetWindow())
2818         return wxACC_FAIL;
2819
2820     wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2821     if (!ht.empty())
2822     {
2823         *helpText = ht;
2824         return wxACC_OK;
2825     }
2826     return wxACC_NOT_IMPLEMENTED;
2827 }
2828
2829 // Returns the keyboard shortcut for this object or child.
2830 // Return e.g. ALT+K
2831 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2832 {
2833     wxASSERT( GetWindow() != NULL );
2834     if (!GetWindow())
2835         return wxACC_FAIL;
2836
2837     return wxACC_NOT_IMPLEMENTED;
2838 }
2839
2840 // Returns a role constant.
2841 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2842 {
2843     wxASSERT( GetWindow() != NULL );
2844     if (!GetWindow())
2845         return wxACC_FAIL;
2846
2847     // If a child, leave wxWidgets to call the function on the actual
2848     // child object.
2849     if (childId > 0)
2850         return wxACC_NOT_IMPLEMENTED;
2851
2852     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2853         return wxACC_NOT_IMPLEMENTED;
2854 #if wxUSE_STATUSBAR
2855     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2856         return wxACC_NOT_IMPLEMENTED;
2857 #endif
2858 #if wxUSE_TOOLBAR
2859     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2860         return wxACC_NOT_IMPLEMENTED;
2861 #endif
2862
2863     //*role = wxROLE_SYSTEM_CLIENT;
2864     *role = wxROLE_SYSTEM_CLIENT;
2865     return wxACC_OK;
2866
2867     #if 0
2868     return wxACC_NOT_IMPLEMENTED;
2869     #endif
2870 }
2871
2872 // Returns a state constant.
2873 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2874 {
2875     wxASSERT( GetWindow() != NULL );
2876     if (!GetWindow())
2877         return wxACC_FAIL;
2878
2879     // If a child, leave wxWidgets to call the function on the actual
2880     // child object.
2881     if (childId > 0)
2882         return wxACC_NOT_IMPLEMENTED;
2883
2884     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2885         return wxACC_NOT_IMPLEMENTED;
2886
2887 #if wxUSE_STATUSBAR
2888     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2889         return wxACC_NOT_IMPLEMENTED;
2890 #endif
2891 #if wxUSE_TOOLBAR
2892     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2893         return wxACC_NOT_IMPLEMENTED;
2894 #endif
2895
2896     *state = 0;
2897     return wxACC_OK;
2898
2899     #if 0
2900     return wxACC_NOT_IMPLEMENTED;
2901     #endif
2902 }
2903
2904 // Returns a localized string representing the value for the object
2905 // or child.
2906 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2907 {
2908     wxASSERT( GetWindow() != NULL );
2909     if (!GetWindow())
2910         return wxACC_FAIL;
2911
2912     return wxACC_NOT_IMPLEMENTED;
2913 }
2914
2915 // Selects the object or child.
2916 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2917 {
2918     wxASSERT( GetWindow() != NULL );
2919     if (!GetWindow())
2920         return wxACC_FAIL;
2921
2922     return wxACC_NOT_IMPLEMENTED;
2923 }
2924
2925 // Gets the window with the keyboard focus.
2926 // If childId is 0 and child is NULL, no object in
2927 // this subhierarchy has the focus.
2928 // If this object has the focus, child should be 'this'.
2929 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2930 {
2931     wxASSERT( GetWindow() != NULL );
2932     if (!GetWindow())
2933         return wxACC_FAIL;
2934
2935     return wxACC_NOT_IMPLEMENTED;
2936 }
2937
2938 // Gets a variant representing the selected children
2939 // of this object.
2940 // Acceptable values:
2941 // - a null variant (IsNull() returns true)
2942 // - a list variant (GetType() == wxT("list")
2943 // - an integer representing the selected child element,
2944 //   or 0 if this object is selected (GetType() == wxT("long")
2945 // - a "void*" pointer to a wxAccessible child object
2946 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
2947 {
2948     wxASSERT( GetWindow() != NULL );
2949     if (!GetWindow())
2950         return wxACC_FAIL;
2951
2952     return wxACC_NOT_IMPLEMENTED;
2953 }
2954
2955 #endif // wxUSE_ACCESSIBILITY