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/defs.h"
  33     #include "wx/window.h"
  34     #include "wx/control.h"
  35     #include "wx/checkbox.h"
  36     #include "wx/radiobut.h"
  37     #include "wx/statbox.h"
  38     #include "wx/textctrl.h"
  39     #include "wx/settings.h"
  40     #include "wx/dialog.h"
  41     #include "wx/msgdlg.h"
  42     #include "wx/statusbr.h"
  43     #include "wx/toolbar.h"
  44     #include "wx/dcclient.h"
  45 #endif //WX_PRECOMP
  46
  47 #if defined(__WXMAC__) && wxUSE_SCROLLBAR
  48     #include "wx/scrolbar.h"
  49 #endif
  50
  51 #if wxUSE_CONSTRAINTS
  52     #include "wx/layout.h"
  53 #endif // wxUSE_CONSTRAINTS
  54
  55 #include "wx/sizer.h"
  56
  57 #if wxUSE_DRAG_AND_DROP
  58     #include "wx/dnd.h"
  59 #endif // wxUSE_DRAG_AND_DROP
  60
  61 #if wxUSE_ACCESSIBILITY
  62     #include "wx/access.h"
  63 #endif
  64
  65 #if wxUSE_HELP
  66     #include "wx/cshelp.h"
  67 #endif // wxUSE_HELP
  68
  69 #if wxUSE_TOOLTIPS
  70     #include "wx/tooltip.h"
  71 #endif // wxUSE_TOOLTIPS
  72
  73 #if wxUSE_CARET
  74     #include "wx/caret.h"
  75 #endif // wxUSE_CARET
  76
  77 #if wxUSE_SYSTEM_OPTIONS
  78     #include "wx/sysopt.h"
  79 #endif
  80
  81 // For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
  82 // The gtk includes don't pull any other headers in, at least not on my system - MR
  83 #ifdef __WXGTK__
  84     #ifdef __WXGTK20__
  85         #include <gtk/gtkversion.h>
  86     #else
  87         #include <gtk/gtkfeatures.h>
  88     #endif
  89     extern const unsigned int gtk_major_version;
  90     extern const unsigned int gtk_minor_version;
  91     extern const unsigned int gtk_micro_version;
  92 #endif
  93
  94 // ----------------------------------------------------------------------------
  95 // static data
  96 // ----------------------------------------------------------------------------
  97
  98 #if defined(__WXPALMOS__)
  99 int wxWindowBase::ms_lastControlId = 32767;
 100 #elif defined(__WXPM__)
 101 int wxWindowBase::ms_lastControlId = 2000;
 102 #else
 103 int wxWindowBase::ms_lastControlId = -200;
 104 #endif
 105
 106 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 107
 108 // ----------------------------------------------------------------------------
 109 // event table
 110 // ----------------------------------------------------------------------------
 111
 112 BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
 113     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
 114     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
 115     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
 116
 117 #if wxUSE_HELP
 118     EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
 119 #endif // wxUSE_HELP
 120
 121 END_EVENT_TABLE()
 122
 123 // ============================================================================
 124 // implementation of the common functionality of the wxWindow class
 125 // ============================================================================
 126
 127 // ----------------------------------------------------------------------------
 128 // initialization
 129 // ----------------------------------------------------------------------------
 130
 131 // the default initialization
 132 wxWindowBase::wxWindowBase()
 133 {
 134     // no window yet, no parent nor children
 135     m_parent = (wxWindow *)NULL;
 136     m_windowId = wxID_ANY;
 137
 138     // no constraints on the minimal window size
 139     m_minWidth =
 140     m_maxWidth = wxDefaultCoord;
 141     m_minHeight =
 142     m_maxHeight = wxDefaultCoord;
 143
 144     // invalidiated cache value
 145     m_bestSizeCache = wxDefaultSize;
 146
 147     // window are created enabled and visible by default
 148     m_isShown =
 149     m_isEnabled = true;
 150
 151     // the default event handler is just this window
 152     m_eventHandler = this;
 153
 154 #if wxUSE_VALIDATORS
 155     // no validator
 156     m_windowValidator = (wxValidator *) NULL;
 157 #endif // wxUSE_VALIDATORS
 158
 159     // the colours/fonts are default for now, so leave m_font,
 160     // m_backgroundColour and m_foregroundColour uninitialized and set those
 161     m_hasBgCol =
 162     m_hasFgCol =
 163     m_hasFont = false;
 164     m_inheritBgCol =
 165     m_inheritFgCol =
 166     m_inheritFont = false;
 167
 168     // no style bits
 169     m_exStyle =
 170     m_windowStyle = 0;
 171
 172     m_backgroundStyle = wxBG_STYLE_SYSTEM;
 173
 174 #if wxUSE_CONSTRAINTS
 175     // no constraints whatsoever
 176     m_constraints = (wxLayoutConstraints *) NULL;
 177     m_constraintsInvolvedIn = (wxWindowList *) NULL;
 178 #endif // wxUSE_CONSTRAINTS
 179
 180     m_windowSizer = (wxSizer *) NULL;
 181     m_containingSizer = (wxSizer *) NULL;
 182     m_autoLayout = false;
 183
 184 #if wxUSE_DRAG_AND_DROP
 185     m_dropTarget = (wxDropTarget *)NULL;
 186 #endif // wxUSE_DRAG_AND_DROP
 187
 188 #if wxUSE_TOOLTIPS
 189     m_tooltip = (wxToolTip *)NULL;
 190 #endif // wxUSE_TOOLTIPS
 191
 192 #if wxUSE_CARET
 193     m_caret = (wxCaret *)NULL;
 194 #endif // wxUSE_CARET
 195
 196 #if wxUSE_PALETTE
 197     m_hasCustomPalette = false;
 198 #endif // wxUSE_PALETTE
 199
 200 #if wxUSE_ACCESSIBILITY
 201     m_accessible = NULL;
 202 #endif
 203
 204     m_virtualSize = wxDefaultSize;
 205
 206     m_minVirtualWidth =
 207     m_maxVirtualWidth = wxDefaultCoord;
 208     m_minVirtualHeight =
 209     m_maxVirtualHeight = wxDefaultCoord;
 210
 211     m_windowVariant = wxWINDOW_VARIANT_NORMAL;
 212 #if wxUSE_SYSTEM_OPTIONS
 213     if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
 214     {
 215        m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
 216     }
 217 #endif
 218
 219     // Whether we're using the current theme for this window (wxGTK only for now)
 220     m_themeEnabled = false;
 221
 222     // VZ: this one shouldn't exist...
 223     m_isBeingDeleted = false;
 224 }
 225
 226 // common part of window creation process
 227 bool wxWindowBase::CreateBase(wxWindowBase *parent,
 228                               wxWindowID id,
 229                               const wxPoint& WXUNUSED(pos),
 230                               const wxSize& WXUNUSED(size),
 231                               long style,
 232                               const wxValidator& wxVALIDATOR_PARAM(validator),
 233                               const wxString& name)
 234 {
 235 #if wxUSE_STATBOX
 236     // wxGTK doesn't allow to create controls with static box as the parent so
 237     // this will result in a crash when the program is ported to wxGTK so warn
 238     // the user about it
 239
 240     // if you get this assert, the correct solution is to create the controls
 241     // as siblings of the static box
 242     wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
 243                   _T("wxStaticBox can't be used as a window parent!") );
 244 #endif // wxUSE_STATBOX
 245
 246     // ids are limited to 16 bits under MSW so if you care about portability,
 247     // it's not a good idea to use ids out of this range (and negative ids are
 248     // reserved for wxWidgets own usage)
 249     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
 250                   _T("invalid id value") );
 251
 252     // generate a new id if the user doesn't care about it
 253     m_windowId = id == wxID_ANY ? NewControlId() : id;
 254
 255     SetName(name);
 256     SetWindowStyleFlag(style);
 257     SetParent(parent);
 258
 259 #if wxUSE_VALIDATORS
 260     SetValidator(validator);
 261 #endif // wxUSE_VALIDATORS
 262
 263     // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
 264     // have it too - like this it's possible to set it only in the top level
 265     // dialog/frame and all children will inherit it by defult
 266     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
 267     {
 268         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
 269     }
 270
 271     return true;
 272 }
 273
 274 // ----------------------------------------------------------------------------
 275 // destruction
 276 // ----------------------------------------------------------------------------
 277
 278 // common clean up
 279 wxWindowBase::~wxWindowBase()
 280 {
 281     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 282
 283     // FIXME if these 2 cases result from programming errors in the user code
 284     //       we should probably assert here instead of silently fixing them
 285
 286     // Just in case the window has been Closed, but we're then deleting
 287     // immediately: don't leave dangling pointers.
 288     wxPendingDelete.DeleteObject(this);
 289
 290     // Just in case we've loaded a top-level window via LoadNativeDialog but
 291     // we weren't a dialog class
 292     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 293
 294     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 295
 296     // reset the dangling pointer our parent window may keep to us
 297     if ( m_parent )
 298     {
 299         if ( m_parent->GetDefaultItem() == this )
 300         {
 301             m_parent->SetDefaultItem(NULL);
 302         }
 303
 304         m_parent->RemoveChild(this);
 305     }
 306
 307 #if wxUSE_CARET
 308     delete m_caret;
 309 #endif // wxUSE_CARET
 310
 311 #if wxUSE_VALIDATORS
 312     delete m_windowValidator;
 313 #endif // wxUSE_VALIDATORS
 314
 315 #if wxUSE_CONSTRAINTS
 316     // Have to delete constraints/sizer FIRST otherwise sizers may try to look
 317     // at deleted windows as they delete themselves.
 318     DeleteRelatedConstraints();
 319
 320     if ( m_constraints )
 321     {
 322         // This removes any dangling pointers to this window in other windows'
 323         // constraintsInvolvedIn lists.
 324         UnsetConstraints(m_constraints);
 325         delete m_constraints;
 326         m_constraints = NULL;
 327     }
 328 #endif // wxUSE_CONSTRAINTS
 329
 330     if ( m_containingSizer )
 331         m_containingSizer->Detach( (wxWindow*)this );
 332
 333     delete m_windowSizer;
 334
 335 #if wxUSE_DRAG_AND_DROP
 336     delete m_dropTarget;
 337 #endif // wxUSE_DRAG_AND_DROP
 338
 339 #if wxUSE_TOOLTIPS
 340     delete m_tooltip;
 341 #endif // wxUSE_TOOLTIPS
 342
 343 #if wxUSE_ACCESSIBILITY
 344     delete m_accessible;
 345 #endif
 346 }
 347
 348 bool wxWindowBase::Destroy()
 349 {
 350     delete this;
 351
 352     return true;
 353 }
 354
 355 bool wxWindowBase::Close(bool force)
 356 {
 357     wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
 358     event.SetEventObject(this);
 359     event.SetCanVeto(!force);
 360
 361     // return false if window wasn't closed because the application vetoed the
 362     // close event
 363     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 364 }
 365
 366 bool wxWindowBase::DestroyChildren()
 367 {
 368     wxWindowList::compatibility_iterator node;
 369     for ( ;; )
 370     {
 371         // we iterate until the list becomes empty
 372         node = GetChildren().GetFirst();
 373         if ( !node )
 374             break;
 375
 376         wxWindow *child = node->GetData();
 377
 378         // note that we really want to call delete and not ->Destroy() here
 379         // because we want to delete the child immediately, before we are
 380         // deleted, and delayed deletion would result in problems as our (top
 381         // level) child could outlive its parent
 382         delete child;
 383
 384         wxASSERT_MSG( !GetChildren().Find(child),
 385                       wxT("child didn't remove itself using RemoveChild()") );
 386     }
 387
 388     return true;
 389 }
 390
 391 // ----------------------------------------------------------------------------
 392 // size/position related methods
 393 // ----------------------------------------------------------------------------
 394
 395 // centre the window with respect to its parent in either (or both) directions
 396 void wxWindowBase::DoCentre(int dir)
 397 {
 398     wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
 399                  _T("this method only implements centering child windows") );
 400
 401     SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
 402 }
 403
 404 // fits the window around the children
 405 void wxWindowBase::Fit()
 406 {
 407     if ( !GetChildren().empty() )
 408     {
 409         SetClientSize(GetBestSize());
 410     }
 411     //else: do nothing if we have no children
 412 }
 413
 414 // fits virtual size (ie. scrolled area etc.) around children
 415 void wxWindowBase::FitInside()
 416 {
 417     if ( GetChildren().GetCount() > 0 )
 418     {
 419         SetVirtualSize( GetBestVirtualSize() );
 420     }
 421 }
 422
 423 // On Mac, scrollbars are explicitly children.
 424 #ifdef __WXMAC__
 425 static bool wxHasRealChildren(const wxWindowBase* win)
 426 {
 427     int realChildCount = 0;
 428
 429     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 430           node;
 431           node = node->GetNext() )
 432     {
 433         wxWindow *win = node->GetData();
 434         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 435             realChildCount ++;
 436     }
 437     return (realChildCount > 0);
 438 }
 439 #endif
 440
 441 void wxWindowBase::InvalidateBestSize()
 442 {
 443     m_bestSizeCache = wxDefaultSize;
 444
 445     // parent's best size calculation may depend on its children's
 446     // as long as child window we are in is not top level window itself
 447     // (because the TLW size is never resized automatically)
 448     // so let's invalidate it as well to be safe:
 449     if (m_parent && !IsTopLevel())
 450         m_parent->InvalidateBestSize();
 451 }
 452
 453 // return the size best suited for the current window
 454 wxSize wxWindowBase::DoGetBestSize() const
 455 {
 456     wxSize best;
 457
 458     if ( m_windowSizer )
 459     {
 460         best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
 461     }
 462 #if wxUSE_CONSTRAINTS
 463     else if ( m_constraints )
 464     {
 465         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 466
 467         // our minimal acceptable size is such that all our windows fit inside
 468         int maxX = 0,
 469             maxY = 0;
 470
 471         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 472               node;
 473               node = node->GetNext() )
 474         {
 475             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 476             if ( !c )
 477             {
 478                 // it's not normal that we have an unconstrained child, but
 479                 // what can we do about it?
 480                 continue;
 481             }
 482
 483             int x = c->right.GetValue(),
 484                 y = c->bottom.GetValue();
 485
 486             if ( x > maxX )
 487                 maxX = x;
 488
 489             if ( y > maxY )
 490                 maxY = y;
 491
 492             // TODO: we must calculate the overlaps somehow, otherwise we
 493             //       will never return a size bigger than the current one :-(
 494         }
 495
 496         best = wxSize(maxX, maxY);
 497     }
 498 #endif // wxUSE_CONSTRAINTS
 499     else if ( !GetChildren().empty()
 500 #ifdef __WXMAC__
 501               && wxHasRealChildren(this)
 502 #endif
 503               )
 504     {
 505         // our minimal acceptable size is such that all our visible child windows fit inside
 506         int maxX = 0,
 507             maxY = 0;
 508
 509         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 510               node;
 511               node = node->GetNext() )
 512         {
 513             wxWindow *win = node->GetData();
 514             if ( win->IsTopLevel()  || ( ! win->IsShown() )
 515 #if wxUSE_STATUSBAR
 516                     || wxDynamicCast(win, wxStatusBar)
 517 #endif // wxUSE_STATUSBAR
 518                )
 519             {
 520                 // dialogs and frames lie in different top level windows -
 521                 // don't deal with them here; as for the status bars, they
 522                 // don't lie in the client area at all
 523                 continue;
 524             }
 525
 526             int wx, wy, ww, wh;
 527             win->GetPosition(&wx, &wy);
 528
 529             // if the window hadn't been positioned yet, assume that it is in
 530             // the origin
 531             if ( wx == wxDefaultCoord )
 532                 wx = 0;
 533             if ( wy == wxDefaultCoord )
 534                 wy = 0;
 535
 536             win->GetSize(&ww, &wh);
 537             if ( wx + ww > maxX )
 538                 maxX = wx + ww;
 539             if ( wy + wh > maxY )
 540                 maxY = wy + wh;
 541         }
 542
 543         // for compatibility with the old versions and because it really looks
 544         // slightly more pretty like this, add a pad
 545         maxX += 7;
 546         maxY += 14;
 547
 548         best = wxSize(maxX, maxY);
 549     }
 550     else // ! has children
 551     {
 552         // for a generic window there is no natural best size so, if the
 553         // minimal size is not set, use the current size but take care to
 554         // remember it as minimal size for the next time because our best size
 555         // should be constant: otherwise we could get into a situation when the
 556         // window is initially at some size, then expanded to a larger size and
 557         // then, when the containing window is shrunk back (because our initial
 558         // best size had been used for computing the parent min size), we can't
 559         // be shrunk back any more because our best size is now bigger
 560         wxSize size = GetMinSize();
 561         if ( !size.IsFullySpecified() )
 562         {
 563             size.SetDefaults(GetSize());
 564             wxConstCast(this, wxWindowBase)->SetMinSize(size);
 565         }
 566
 567         // return as-is, unadjusted by the client size difference.
 568         return size;
 569     }
 570
 571     // Add any difference between size and client size
 572     wxSize diff = GetSize() - GetClientSize();
 573     best.x += wxMax(0, diff.x);
 574     best.y += wxMax(0, diff.y);
 575
 576     return best;
 577 }
 578
 579
 580 wxSize wxWindowBase::GetBestFittingSize() const
 581 {
 582     // merge the best size with the min size, giving priority to the min size
 583     wxSize min = GetMinSize();
 584     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 585     {
 586         wxSize best = GetBestSize();
 587         if (min.x == wxDefaultCoord) min.x =  best.x;
 588         if (min.y == wxDefaultCoord) min.y =  best.y;
 589     }
 590     return min;
 591 }
 592
 593
 594 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 595 {
 596     // Set the min size to the size passed in.  This will usually either be
 597     // wxDefaultSize or the size passed to this window's ctor/Create function.
 598     SetMinSize(size);
 599
 600     // Merge the size with the best size if needed
 601     wxSize best = GetBestFittingSize();
 602
 603     // If the current size doesn't match then change it
 604     if (GetSize() != best)
 605         SetSize(best);
 606 }
 607
 608
 609 // by default the origin is not shifted
 610 wxPoint wxWindowBase::GetClientAreaOrigin() const
 611 {
 612     return wxPoint(0,0);
 613 }
 614
 615 // set the min/max size of the window
 616 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 617                                   int maxW, int maxH,
 618                                   int WXUNUSED(incW), int WXUNUSED(incH))
 619 {
 620     // setting min width greater than max width leads to infinite loops under
 621     // X11 and generally doesn't make any sense, so don't allow it
 622     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 623                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 624                  _T("min width/height must be less than max width/height!") );
 625
 626     m_minWidth = minW;
 627     m_maxWidth = maxW;
 628     m_minHeight = minH;
 629     m_maxHeight = maxH;
 630 }
 631
 632 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 633 {
 634     if ( m_windowVariant != variant )
 635     {
 636         m_windowVariant = variant;
 637
 638         DoSetWindowVariant(variant);
 639     }
 640 }
 641
 642 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 643 {
 644     // adjust the font height to correspond to our new variant (notice that
 645     // we're only called if something really changed)
 646     wxFont font = GetFont();
 647     int size = font.GetPointSize();
 648     switch ( variant )
 649     {
 650         case wxWINDOW_VARIANT_NORMAL:
 651             break;
 652
 653         case wxWINDOW_VARIANT_SMALL:
 654             size *= 3;
 655             size /= 4;
 656             break;
 657
 658         case wxWINDOW_VARIANT_MINI:
 659             size *= 2;
 660             size /= 3;
 661             break;
 662
 663         case wxWINDOW_VARIANT_LARGE:
 664             size *= 5;
 665             size /= 4;
 666             break;
 667
 668         default:
 669             wxFAIL_MSG(_T("unexpected window variant"));
 670             break;
 671     }
 672
 673     font.SetPointSize(size);
 674     SetFont(font);
 675 }
 676
 677 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 678                                         int maxW, int maxH )
 679 {
 680     m_minVirtualWidth = minW;
 681     m_maxVirtualWidth = maxW;
 682     m_minVirtualHeight = minH;
 683     m_maxVirtualHeight = maxH;
 684 }
 685
 686 void wxWindowBase::DoSetVirtualSize( int x, int y )
 687 {
 688     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 689         x = m_minVirtualWidth;
 690     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 691         x = m_maxVirtualWidth;
 692     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 693         y = m_minVirtualHeight;
 694     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 695         y = m_maxVirtualHeight;
 696
 697     m_virtualSize = wxSize(x, y);
 698 }
 699
 700 wxSize wxWindowBase::DoGetVirtualSize() const
 701 {
 702     // we should use the entire client area so if it is greater than our
 703     // virtual size, expand it to fit (otherwise if the window is big enough we
 704     // wouldn't be using parts of it)
 705     wxSize size = GetClientSize();
 706     if ( m_virtualSize.x > size.x )
 707         size.x = m_virtualSize.x;
 708
 709     if ( m_virtualSize.y >= size.y )
 710         size.y = m_virtualSize.y;
 711
 712     return size;
 713 }
 714
 715 void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
 716 {
 717     // screen position is the same as (0, 0) in client coords for non TLWs (and
 718     // TLWs override this method)
 719     if ( x )
 720         *x = 0;
 721     if ( y )
 722         *y = 0;
 723
 724     ClientToScreen(x, y);
 725 }
 726
 727 // ----------------------------------------------------------------------------
 728 // show/hide/enable/disable the window
 729 // ----------------------------------------------------------------------------
 730
 731 bool wxWindowBase::Show(bool show)
 732 {
 733     if ( show != m_isShown )
 734     {
 735         m_isShown = show;
 736
 737         return true;
 738     }
 739     else
 740     {
 741         return false;
 742     }
 743 }
 744
 745 bool wxWindowBase::Enable(bool enable)
 746 {
 747     if ( enable != m_isEnabled )
 748     {
 749         m_isEnabled = enable;
 750
 751         return true;
 752     }
 753     else
 754     {
 755         return false;
 756     }
 757 }
 758 // ----------------------------------------------------------------------------
 759 // RTTI
 760 // ----------------------------------------------------------------------------
 761
 762 bool wxWindowBase::IsTopLevel() const
 763 {
 764     return false;
 765 }
 766
 767 // ----------------------------------------------------------------------------
 768 // reparenting the window
 769 // ----------------------------------------------------------------------------
 770
 771 void wxWindowBase::AddChild(wxWindowBase *child)
 772 {
 773     wxCHECK_RET( child, wxT("can't add a NULL child") );
 774
 775     // this should never happen and it will lead to a crash later if it does
 776     // because RemoveChild() will remove only one node from the children list
 777     // and the other(s) one(s) will be left with dangling pointers in them
 778     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 779
 780     GetChildren().Append((wxWindow*)child);
 781     child->SetParent(this);
 782 }
 783
 784 void wxWindowBase::RemoveChild(wxWindowBase *child)
 785 {
 786     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 787
 788     GetChildren().DeleteObject((wxWindow *)child);
 789     child->SetParent(NULL);
 790 }
 791
 792 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 793 {
 794     wxWindow *oldParent = GetParent();
 795     if ( newParent == oldParent )
 796     {
 797         // nothing done
 798         return false;
 799     }
 800
 801     // unlink this window from the existing parent.
 802     if ( oldParent )
 803     {
 804         oldParent->RemoveChild(this);
 805     }
 806     else
 807     {
 808         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 809     }
 810
 811     // add it to the new one
 812     if ( newParent )
 813     {
 814         newParent->AddChild(this);
 815     }
 816     else
 817     {
 818         wxTopLevelWindows.Append((wxWindow *)this);
 819     }
 820
 821     return true;
 822 }
 823
 824 // ----------------------------------------------------------------------------
 825 // event handler stuff
 826 // ----------------------------------------------------------------------------
 827
 828 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 829 {
 830     wxEvtHandler *handlerOld = GetEventHandler();
 831
 832     handler->SetNextHandler(handlerOld);
 833
 834     if ( handlerOld )
 835         GetEventHandler()->SetPreviousHandler(handler);
 836
 837     SetEventHandler(handler);
 838 }
 839
 840 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 841 {
 842     wxEvtHandler *handlerA = GetEventHandler();
 843     if ( handlerA )
 844     {
 845         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 846         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 847
 848         if ( handlerB )
 849             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 850         SetEventHandler(handlerB);
 851
 852         if ( deleteHandler )
 853         {
 854             delete handlerA;
 855             handlerA = (wxEvtHandler *)NULL;
 856         }
 857     }
 858
 859     return handlerA;
 860 }
 861
 862 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 863 {
 864     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 865
 866     wxEvtHandler *handlerPrev = NULL,
 867                  *handlerCur = GetEventHandler();
 868     while ( handlerCur )
 869     {
 870         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 871
 872         if ( handlerCur == handler )
 873         {
 874             if ( handlerPrev )
 875             {
 876                 handlerPrev->SetNextHandler(handlerNext);
 877             }
 878             else
 879             {
 880                 SetEventHandler(handlerNext);
 881             }
 882
 883             if ( handlerNext )
 884             {
 885                 handlerNext->SetPreviousHandler ( handlerPrev );
 886             }
 887
 888             handler->SetNextHandler(NULL);
 889             handler->SetPreviousHandler(NULL);
 890
 891             return true;
 892         }
 893
 894         handlerPrev = handlerCur;
 895         handlerCur = handlerNext;
 896     }
 897
 898     wxFAIL_MSG( _T("where has the event handler gone?") );
 899
 900     return false;
 901 }
 902
 903 // ----------------------------------------------------------------------------
 904 // colours, fonts &c
 905 // ----------------------------------------------------------------------------
 906
 907 void wxWindowBase::InheritAttributes()
 908 {
 909     const wxWindowBase * const parent = GetParent();
 910     if ( !parent )
 911         return;
 912
 913     // we only inherit attributes which had been explicitly set for the parent
 914     // which ensures that this only happens if the user really wants it and
 915     // not by default which wouldn't make any sense in modern GUIs where the
 916     // controls don't all use the same fonts (nor colours)
 917     if ( parent->m_inheritFont && !m_hasFont )
 918         SetFont(parent->GetFont());
 919
 920     // in addition, there is a possibility to explicitly forbid inheriting
 921     // colours at each class level by overriding ShouldInheritColours()
 922     if ( ShouldInheritColours() )
 923     {
 924         if ( parent->m_inheritFgCol && !m_hasFgCol )
 925             SetForegroundColour(parent->GetForegroundColour());
 926
 927         // inheriting (solid) background colour is wrong as it totally breaks
 928         // any kind of themed backgrounds
 929         //
 930         // instead, the controls should use the same background as their parent
 931         // (ideally by not drawing it at all)
 932 #if 0
 933         if ( parent->m_inheritBgCol && !m_hasBgCol )
 934             SetBackgroundColour(parent->GetBackgroundColour());
 935 #endif // 0
 936     }
 937 }
 938
 939 /* static */ wxVisualAttributes
 940 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 941 {
 942     // it is important to return valid values for all attributes from here,
 943     // GetXXX() below rely on this
 944     wxVisualAttributes attrs;
 945     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 946     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
 947
 948     // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
 949     // the usual background colour than wxSYS_COLOUR_BTNFACE.
 950     // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
 951     // colour on other platforms.
 952
 953 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
 954     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 955 #else
 956     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 957 #endif
 958     return attrs;
 959 }
 960
 961 wxColour wxWindowBase::GetBackgroundColour() const
 962 {
 963     if ( !m_backgroundColour.Ok() )
 964     {
 965         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
 966
 967         // get our default background colour
 968         wxColour colBg = GetDefaultAttributes().colBg;
 969
 970         // we must return some valid colour to avoid redoing this every time
 971         // and also to avoid surprizing the applications written for older
 972         // wxWidgets versions where GetBackgroundColour() always returned
 973         // something -- so give them something even if it doesn't make sense
 974         // for this window (e.g. it has a themed background)
 975         if ( !colBg.Ok() )
 976             colBg = GetClassDefaultAttributes().colBg;
 977
 978         return colBg;
 979     }
 980     else
 981         return m_backgroundColour;
 982 }
 983
 984 wxColour wxWindowBase::GetForegroundColour() const
 985 {
 986     // logic is the same as above
 987     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
 988     {
 989         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
 990
 991         wxColour colFg = GetDefaultAttributes().colFg;
 992
 993         if ( !colFg.Ok() )
 994             colFg = GetClassDefaultAttributes().colFg;
 995
 996         return colFg;
 997     }
 998     else
 999         return m_foregroundColour;
1000 }
1001
1002 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
1003 {
1004     if ( colour == m_backgroundColour )
1005         return false;
1006
1007     m_hasBgCol = colour.Ok();
1008     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1009         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1010
1011     m_inheritBgCol = m_hasBgCol;
1012     m_backgroundColour = colour;
1013     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1014     return true;
1015 }
1016
1017 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1018 {
1019     if (colour == m_foregroundColour )
1020         return false;
1021
1022     m_hasFgCol = colour.Ok();
1023     m_inheritFgCol = m_hasFgCol;
1024     m_foregroundColour = colour;
1025     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1026     return true;
1027 }
1028
1029 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1030 {
1031     // setting an invalid cursor is ok, it means that we don't have any special
1032     // cursor
1033     if ( m_cursor == cursor )
1034     {
1035         // no change
1036         return false;
1037     }
1038
1039     m_cursor = cursor;
1040
1041     return true;
1042 }
1043
1044 wxFont wxWindowBase::GetFont() const
1045 {
1046     // logic is the same as in GetBackgroundColour()
1047     if ( !m_font.Ok() )
1048     {
1049         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1050
1051         wxFont font = GetDefaultAttributes().font;
1052         if ( !font.Ok() )
1053             font = GetClassDefaultAttributes().font;
1054
1055         return font;
1056     }
1057     else
1058         return m_font;
1059 }
1060
1061 bool wxWindowBase::SetFont(const wxFont& font)
1062 {
1063     if ( font == m_font )
1064     {
1065         // no change
1066         return false;
1067     }
1068
1069     m_font = font;
1070     m_hasFont = font.Ok();
1071     m_inheritFont = m_hasFont;
1072
1073     InvalidateBestSize();
1074
1075     return true;
1076 }
1077
1078 #if wxUSE_PALETTE
1079
1080 void wxWindowBase::SetPalette(const wxPalette& pal)
1081 {
1082     m_hasCustomPalette = true;
1083     m_palette = pal;
1084
1085     // VZ: can anyone explain me what do we do here?
1086     wxWindowDC d((wxWindow *) this);
1087     d.SetPalette(pal);
1088 }
1089
1090 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1091 {
1092     wxWindow *win = (wxWindow *)this;
1093     while ( win && !win->HasCustomPalette() )
1094     {
1095         win = win->GetParent();
1096     }
1097
1098     return win;
1099 }
1100
1101 #endif // wxUSE_PALETTE
1102
1103 #if wxUSE_CARET
1104 void wxWindowBase::SetCaret(wxCaret *caret)
1105 {
1106     if ( m_caret )
1107     {
1108         delete m_caret;
1109     }
1110
1111     m_caret = caret;
1112
1113     if ( m_caret )
1114     {
1115         wxASSERT_MSG( m_caret->GetWindow() == this,
1116                       wxT("caret should be created associated to this window") );
1117     }
1118 }
1119 #endif // wxUSE_CARET
1120
1121 #if wxUSE_VALIDATORS
1122 // ----------------------------------------------------------------------------
1123 // validators
1124 // ----------------------------------------------------------------------------
1125
1126 void wxWindowBase::SetValidator(const wxValidator& validator)
1127 {
1128     if ( m_windowValidator )
1129         delete m_windowValidator;
1130
1131     m_windowValidator = (wxValidator *)validator.Clone();
1132
1133     if ( m_windowValidator )
1134         m_windowValidator->SetWindow(this);
1135 }
1136 #endif // wxUSE_VALIDATORS
1137
1138 // ----------------------------------------------------------------------------
1139 // update region stuff
1140 // ----------------------------------------------------------------------------
1141
1142 wxRect wxWindowBase::GetUpdateClientRect() const
1143 {
1144     wxRegion rgnUpdate = GetUpdateRegion();
1145     rgnUpdate.Intersect(GetClientRect());
1146     wxRect rectUpdate = rgnUpdate.GetBox();
1147     wxPoint ptOrigin = GetClientAreaOrigin();
1148     rectUpdate.x -= ptOrigin.x;
1149     rectUpdate.y -= ptOrigin.y;
1150
1151     return rectUpdate;
1152 }
1153
1154 bool wxWindowBase::IsExposed(int x, int y) const
1155 {
1156     return m_updateRegion.Contains(x, y) != wxOutRegion;
1157 }
1158
1159 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1160 {
1161     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1162 }
1163
1164 void wxWindowBase::ClearBackground()
1165 {
1166     // wxGTK uses its own version, no need to add never used code
1167 #ifndef __WXGTK__
1168     wxClientDC dc((wxWindow *)this);
1169     wxBrush brush(GetBackgroundColour(), wxSOLID);
1170     dc.SetBackground(brush);
1171     dc.Clear();
1172 #endif // __WXGTK__
1173 }
1174
1175 // ----------------------------------------------------------------------------
1176 // find child window by id or name
1177 // ----------------------------------------------------------------------------
1178
1179 wxWindow *wxWindowBase::FindWindow(long id) const
1180 {
1181     if ( id == m_windowId )
1182         return (wxWindow *)this;
1183
1184     wxWindowBase *res = (wxWindow *)NULL;
1185     wxWindowList::compatibility_iterator node;
1186     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1187     {
1188         wxWindowBase *child = node->GetData();
1189         res = child->FindWindow( id );
1190     }
1191
1192     return (wxWindow *)res;
1193 }
1194
1195 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1196 {
1197     if ( name == m_windowName )
1198         return (wxWindow *)this;
1199
1200     wxWindowBase *res = (wxWindow *)NULL;
1201     wxWindowList::compatibility_iterator node;
1202     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1203     {
1204         wxWindow *child = node->GetData();
1205         res = child->FindWindow(name);
1206     }
1207
1208     return (wxWindow *)res;
1209 }
1210
1211
1212 // find any window by id or name or label: If parent is non-NULL, look through
1213 // children for a label or title matching the specified string. If NULL, look
1214 // through all top-level windows.
1215 //
1216 // to avoid duplicating code we reuse the same helper function but with
1217 // different comparators
1218
1219 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1220                                 const wxString& label, long id);
1221
1222 static
1223 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1224                            long WXUNUSED(id))
1225 {
1226     return win->GetLabel() == label;
1227 }
1228
1229 static
1230 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1231                           long WXUNUSED(id))
1232 {
1233     return win->GetName() == label;
1234 }
1235
1236 static
1237 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1238                         long id)
1239 {
1240     return win->GetId() == id;
1241 }
1242
1243 // recursive helper for the FindWindowByXXX() functions
1244 static
1245 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1246                                   const wxString& label,
1247                                   long id,
1248                                   wxFindWindowCmp cmp)
1249 {
1250     if ( parent )
1251     {
1252         // see if this is the one we're looking for
1253         if ( (*cmp)(parent, label, id) )
1254             return (wxWindow *)parent;
1255
1256         // It wasn't, so check all its children
1257         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1258               node;
1259               node = node->GetNext() )
1260         {
1261             // recursively check each child
1262             wxWindow *win = (wxWindow *)node->GetData();
1263             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1264             if (retwin)
1265                 return retwin;
1266         }
1267     }
1268
1269     // Not found
1270     return NULL;
1271 }
1272
1273 // helper for FindWindowByXXX()
1274 static
1275 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1276                              const wxString& label,
1277                              long id,
1278                              wxFindWindowCmp cmp)
1279 {
1280     if ( parent )
1281     {
1282         // just check parent and all its children
1283         return wxFindWindowRecursively(parent, label, id, cmp);
1284     }
1285
1286     // start at very top of wx's windows
1287     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1288           node;
1289           node = node->GetNext() )
1290     {
1291         // recursively check each window & its children
1292         wxWindow *win = node->GetData();
1293         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1294         if (retwin)
1295             return retwin;
1296     }
1297
1298     return NULL;
1299 }
1300
1301 /* static */
1302 wxWindow *
1303 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1304 {
1305     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1306 }
1307
1308 /* static */
1309 wxWindow *
1310 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1311 {
1312     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1313
1314     if ( !win )
1315     {
1316         // fall back to the label
1317         win = FindWindowByLabel(title, parent);
1318     }
1319
1320     return win;
1321 }
1322
1323 /* static */
1324 wxWindow *
1325 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1326 {
1327     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1328 }
1329
1330 // ----------------------------------------------------------------------------
1331 // dialog oriented functions
1332 // ----------------------------------------------------------------------------
1333
1334 void wxWindowBase::MakeModal(bool modal)
1335 {
1336     // Disable all other windows
1337     if ( IsTopLevel() )
1338     {
1339         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1340         while (node)
1341         {
1342             wxWindow *win = node->GetData();
1343             if (win != this)
1344                 win->Enable(!modal);
1345
1346             node = node->GetNext();
1347         }
1348     }
1349 }
1350
1351 bool wxWindowBase::Validate()
1352 {
1353 #if wxUSE_VALIDATORS
1354     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1355
1356     wxWindowList::compatibility_iterator node;
1357     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1358     {
1359         wxWindowBase *child = node->GetData();
1360         wxValidator *validator = child->GetValidator();
1361         if ( validator && !validator->Validate((wxWindow *)this) )
1362         {
1363             return false;
1364         }
1365
1366         if ( recurse && !child->Validate() )
1367         {
1368             return false;
1369         }
1370     }
1371 #endif // wxUSE_VALIDATORS
1372
1373     return true;
1374 }
1375
1376 bool wxWindowBase::TransferDataToWindow()
1377 {
1378 #if wxUSE_VALIDATORS
1379     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1380
1381     wxWindowList::compatibility_iterator node;
1382     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1383     {
1384         wxWindowBase *child = node->GetData();
1385         wxValidator *validator = child->GetValidator();
1386         if ( validator && !validator->TransferToWindow() )
1387         {
1388             wxLogWarning(_("Could not transfer data to window"));
1389 #if wxUSE_LOG
1390             wxLog::FlushActive();
1391 #endif // wxUSE_LOG
1392
1393             return false;
1394         }
1395
1396         if ( recurse )
1397         {
1398             if ( !child->TransferDataToWindow() )
1399             {
1400                 // warning already given
1401                 return false;
1402             }
1403         }
1404     }
1405 #endif // wxUSE_VALIDATORS
1406
1407     return true;
1408 }
1409
1410 bool wxWindowBase::TransferDataFromWindow()
1411 {
1412 #if wxUSE_VALIDATORS
1413     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1414
1415     wxWindowList::compatibility_iterator node;
1416     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1417     {
1418         wxWindow *child = node->GetData();
1419         wxValidator *validator = child->GetValidator();
1420         if ( validator && !validator->TransferFromWindow() )
1421         {
1422             // nop warning here because the application is supposed to give
1423             // one itself - we don't know here what might have gone wrongly
1424
1425             return false;
1426         }
1427
1428         if ( recurse )
1429         {
1430             if ( !child->TransferDataFromWindow() )
1431             {
1432                 // warning already given
1433                 return false;
1434             }
1435         }
1436     }
1437 #endif // wxUSE_VALIDATORS
1438
1439     return true;
1440 }
1441
1442 void wxWindowBase::InitDialog()
1443 {
1444     wxInitDialogEvent event(GetId());
1445     event.SetEventObject( this );
1446     GetEventHandler()->ProcessEvent(event);
1447 }
1448
1449 // ----------------------------------------------------------------------------
1450 // context-sensitive help support
1451 // ----------------------------------------------------------------------------
1452
1453 #if wxUSE_HELP
1454
1455 // associate this help text with this window
1456 void wxWindowBase::SetHelpText(const wxString& text)
1457 {
1458     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1459     if ( helpProvider )
1460     {
1461         helpProvider->AddHelp(this, text);
1462     }
1463 }
1464
1465 // associate this help text with all windows with the same id as this
1466 // one
1467 void wxWindowBase::SetHelpTextForId(const wxString& text)
1468 {
1469     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1470     if ( helpProvider )
1471     {
1472         helpProvider->AddHelp(GetId(), text);
1473     }
1474 }
1475
1476 // get the help string associated with this window (may be empty)
1477 wxString wxWindowBase::GetHelpText() const
1478 {
1479     wxString text;
1480     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1481     if ( helpProvider )
1482     {
1483         text = helpProvider->GetHelp(this);
1484     }
1485
1486     return text;
1487 }
1488
1489 // show help for this window
1490 void wxWindowBase::OnHelp(wxHelpEvent& event)
1491 {
1492     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1493     if ( helpProvider )
1494     {
1495         if ( helpProvider->ShowHelp(this) )
1496         {
1497             // skip the event.Skip() below
1498             return;
1499         }
1500     }
1501
1502     event.Skip();
1503 }
1504
1505 #endif // wxUSE_HELP
1506
1507 // ----------------------------------------------------------------------------
1508 // tooltipsroot.Replace("\\", "/");
1509 // ----------------------------------------------------------------------------
1510
1511 #if wxUSE_TOOLTIPS
1512
1513 void wxWindowBase::SetToolTip( const wxString &tip )
1514 {
1515     // don't create the new tooltip if we already have one
1516     if ( m_tooltip )
1517     {
1518         m_tooltip->SetTip( tip );
1519     }
1520     else
1521     {
1522         SetToolTip( new wxToolTip( tip ) );
1523     }
1524
1525     // setting empty tooltip text does not remove the tooltip any more - use
1526     // SetToolTip((wxToolTip *)NULL) for this
1527 }
1528
1529 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1530 {
1531     if ( m_tooltip )
1532         delete m_tooltip;
1533
1534     m_tooltip = tooltip;
1535 }
1536
1537 #endif // wxUSE_TOOLTIPS
1538
1539 // ----------------------------------------------------------------------------
1540 // constraints and sizers
1541 // ----------------------------------------------------------------------------
1542
1543 #if wxUSE_CONSTRAINTS
1544
1545 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1546 {
1547     if ( m_constraints )
1548     {
1549         UnsetConstraints(m_constraints);
1550         delete m_constraints;
1551     }
1552     m_constraints = constraints;
1553     if ( m_constraints )
1554     {
1555         // Make sure other windows know they're part of a 'meaningful relationship'
1556         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1557             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1558         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1559             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1560         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1561             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1562         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1563             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1564         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1565             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1566         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1567             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1568         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1569             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1570         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1571             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1572     }
1573 }
1574
1575 // This removes any dangling pointers to this window in other windows'
1576 // constraintsInvolvedIn lists.
1577 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1578 {
1579     if ( c )
1580     {
1581         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1582             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1583         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1584             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1585         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1586             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1587         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1588             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1589         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1590             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1591         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1592             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1593         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1594             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1595         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1596             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1597     }
1598 }
1599
1600 // Back-pointer to other windows we're involved with, so if we delete this
1601 // window, we must delete any constraints we're involved with.
1602 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1603 {
1604     if ( !m_constraintsInvolvedIn )
1605         m_constraintsInvolvedIn = new wxWindowList;
1606     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1607         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1608 }
1609
1610 // REMOVE back-pointer to other windows we're involved with.
1611 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1612 {
1613     if ( m_constraintsInvolvedIn )
1614         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1615 }
1616
1617 // Reset any constraints that mention this window
1618 void wxWindowBase::DeleteRelatedConstraints()
1619 {
1620     if ( m_constraintsInvolvedIn )
1621     {
1622         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1623         while (node)
1624         {
1625             wxWindow *win = node->GetData();
1626             wxLayoutConstraints *constr = win->GetConstraints();
1627
1628             // Reset any constraints involving this window
1629             if ( constr )
1630             {
1631                 constr->left.ResetIfWin(this);
1632                 constr->top.ResetIfWin(this);
1633                 constr->right.ResetIfWin(this);
1634                 constr->bottom.ResetIfWin(this);
1635                 constr->width.ResetIfWin(this);
1636                 constr->height.ResetIfWin(this);
1637                 constr->centreX.ResetIfWin(this);
1638                 constr->centreY.ResetIfWin(this);
1639             }
1640
1641             wxWindowList::compatibility_iterator next = node->GetNext();
1642             m_constraintsInvolvedIn->Erase(node);
1643             node = next;
1644         }
1645
1646         delete m_constraintsInvolvedIn;
1647         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1648     }
1649 }
1650
1651 #endif // wxUSE_CONSTRAINTS
1652
1653 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1654 {
1655     if ( sizer == m_windowSizer)
1656         return;
1657
1658     if ( deleteOld )
1659         delete m_windowSizer;
1660
1661     m_windowSizer = sizer;
1662
1663     SetAutoLayout( sizer != NULL );
1664 }
1665
1666 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1667 {
1668     SetSizer( sizer, deleteOld );
1669     sizer->SetSizeHints( (wxWindow*) this );
1670 }
1671
1672
1673 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1674 {
1675     // adding a window to a sizer twice is going to result in fatal and
1676     // hard to debug problems later because when deleting the second
1677     // associated wxSizerItem we're going to dereference a dangling
1678     // pointer; so try to detect this as early as possible
1679     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1680                   _T("Adding a window to the same sizer twice?") );
1681
1682     m_containingSizer = sizer;
1683 }
1684
1685 #if wxUSE_CONSTRAINTS
1686
1687 void wxWindowBase::SatisfyConstraints()
1688 {
1689     wxLayoutConstraints *constr = GetConstraints();
1690     bool wasOk = constr && constr->AreSatisfied();
1691
1692     ResetConstraints();   // Mark all constraints as unevaluated
1693
1694     int noChanges = 1;
1695
1696     // if we're a top level panel (i.e. our parent is frame/dialog), our
1697     // own constraints will never be satisfied any more unless we do it
1698     // here
1699     if ( wasOk )
1700     {
1701         while ( noChanges > 0 )
1702         {
1703             LayoutPhase1(&noChanges);
1704         }
1705     }
1706
1707     LayoutPhase2(&noChanges);
1708 }
1709
1710 #endif // wxUSE_CONSTRAINTS
1711
1712 bool wxWindowBase::Layout()
1713 {
1714     // If there is a sizer, use it instead of the constraints
1715     if ( GetSizer() )
1716     {
1717         int w = 0, h = 0;
1718         GetVirtualSize(&w, &h);
1719         GetSizer()->SetDimension( 0, 0, w, h );
1720     }
1721 #if wxUSE_CONSTRAINTS
1722     else
1723     {
1724         SatisfyConstraints(); // Find the right constraints values
1725         SetConstraintSizes(); // Recursively set the real window sizes
1726     }
1727 #endif
1728
1729     return true;
1730 }
1731
1732 #if wxUSE_CONSTRAINTS
1733
1734 // first phase of the constraints evaluation: set our own constraints
1735 bool wxWindowBase::LayoutPhase1(int *noChanges)
1736 {
1737     wxLayoutConstraints *constr = GetConstraints();
1738
1739     return !constr || constr->SatisfyConstraints(this, noChanges);
1740 }
1741
1742 // second phase: set the constraints for our children
1743 bool wxWindowBase::LayoutPhase2(int *noChanges)
1744 {
1745     *noChanges = 0;
1746
1747     // Layout children
1748     DoPhase(1);
1749
1750     // Layout grand children
1751     DoPhase(2);
1752
1753     return true;
1754 }
1755
1756 // Do a phase of evaluating child constraints
1757 bool wxWindowBase::DoPhase(int phase)
1758 {
1759     // the list containing the children for which the constraints are already
1760     // set correctly
1761     wxWindowList succeeded;
1762
1763     // the max number of iterations we loop before concluding that we can't set
1764     // the constraints
1765     static const int maxIterations = 500;
1766
1767     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1768     {
1769         int noChanges = 0;
1770
1771         // loop over all children setting their constraints
1772         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1773               node;
1774               node = node->GetNext() )
1775         {
1776             wxWindow *child = node->GetData();
1777             if ( child->IsTopLevel() )
1778             {
1779                 // top level children are not inside our client area
1780                 continue;
1781             }
1782
1783             if ( !child->GetConstraints() || succeeded.Find(child) )
1784             {
1785                 // this one is either already ok or nothing we can do about it
1786                 continue;
1787             }
1788
1789             int tempNoChanges = 0;
1790             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1791                                       : child->LayoutPhase2(&tempNoChanges);
1792             noChanges += tempNoChanges;
1793
1794             if ( success )
1795             {
1796                 succeeded.Append(child);
1797             }
1798         }
1799
1800         if ( !noChanges )
1801         {
1802             // constraints are set
1803             break;
1804         }
1805     }
1806
1807     return true;
1808 }
1809
1810 void wxWindowBase::ResetConstraints()
1811 {
1812     wxLayoutConstraints *constr = GetConstraints();
1813     if ( constr )
1814     {
1815         constr->left.SetDone(false);
1816         constr->top.SetDone(false);
1817         constr->right.SetDone(false);
1818         constr->bottom.SetDone(false);
1819         constr->width.SetDone(false);
1820         constr->height.SetDone(false);
1821         constr->centreX.SetDone(false);
1822         constr->centreY.SetDone(false);
1823     }
1824
1825     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1826     while (node)
1827     {
1828         wxWindow *win = node->GetData();
1829         if ( !win->IsTopLevel() )
1830             win->ResetConstraints();
1831         node = node->GetNext();
1832     }
1833 }
1834
1835 // Need to distinguish between setting the 'fake' size for windows and sizers,
1836 // and setting the real values.
1837 void wxWindowBase::SetConstraintSizes(bool recurse)
1838 {
1839     wxLayoutConstraints *constr = GetConstraints();
1840     if ( constr && constr->AreSatisfied() )
1841     {
1842         int x = constr->left.GetValue();
1843         int y = constr->top.GetValue();
1844         int w = constr->width.GetValue();
1845         int h = constr->height.GetValue();
1846
1847         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1848              (constr->height.GetRelationship() != wxAsIs) )
1849         {
1850             SetSize(x, y, w, h);
1851         }
1852         else
1853         {
1854             // If we don't want to resize this window, just move it...
1855             Move(x, y);
1856         }
1857     }
1858     else if ( constr )
1859     {
1860         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1861                    GetClassInfo()->GetClassName(),
1862                    GetName().c_str());
1863     }
1864
1865     if ( recurse )
1866     {
1867         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1868         while (node)
1869         {
1870             wxWindow *win = node->GetData();
1871             if ( !win->IsTopLevel() && win->GetConstraints() )
1872                 win->SetConstraintSizes();
1873             node = node->GetNext();
1874         }
1875     }
1876 }
1877
1878 // Only set the size/position of the constraint (if any)
1879 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1880 {
1881     wxLayoutConstraints *constr = GetConstraints();
1882     if ( constr )
1883     {
1884         if ( x != wxDefaultCoord )
1885         {
1886             constr->left.SetValue(x);
1887             constr->left.SetDone(true);
1888         }
1889         if ( y != wxDefaultCoord )
1890         {
1891             constr->top.SetValue(y);
1892             constr->top.SetDone(true);
1893         }
1894         if ( w != wxDefaultCoord )
1895         {
1896             constr->width.SetValue(w);
1897             constr->width.SetDone(true);
1898         }
1899         if ( h != wxDefaultCoord )
1900         {
1901             constr->height.SetValue(h);
1902             constr->height.SetDone(true);
1903         }
1904     }
1905 }
1906
1907 void wxWindowBase::MoveConstraint(int x, int y)
1908 {
1909     wxLayoutConstraints *constr = GetConstraints();
1910     if ( constr )
1911     {
1912         if ( x != wxDefaultCoord )
1913         {
1914             constr->left.SetValue(x);
1915             constr->left.SetDone(true);
1916         }
1917         if ( y != wxDefaultCoord )
1918         {
1919             constr->top.SetValue(y);
1920             constr->top.SetDone(true);
1921         }
1922     }
1923 }
1924
1925 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
1926 {
1927     wxLayoutConstraints *constr = GetConstraints();
1928     if ( constr )
1929     {
1930         *w = constr->width.GetValue();
1931         *h = constr->height.GetValue();
1932     }
1933     else
1934         GetSize(w, h);
1935 }
1936
1937 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
1938 {
1939     wxLayoutConstraints *constr = GetConstraints();
1940     if ( constr )
1941     {
1942         *w = constr->width.GetValue();
1943         *h = constr->height.GetValue();
1944     }
1945     else
1946         GetClientSize(w, h);
1947 }
1948
1949 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
1950 {
1951     wxLayoutConstraints *constr = GetConstraints();
1952     if ( constr )
1953     {
1954         *x = constr->left.GetValue();
1955         *y = constr->top.GetValue();
1956     }
1957     else
1958         GetPosition(x, y);
1959 }
1960
1961 #endif // wxUSE_CONSTRAINTS
1962
1963 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
1964 {
1965     // don't do it for the dialogs/frames - they float independently of their
1966     // parent
1967     if ( !IsTopLevel() )
1968     {
1969         wxWindow *parent = GetParent();
1970         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1971         {
1972             wxPoint pt(parent->GetClientAreaOrigin());
1973             x += pt.x;
1974             y += pt.y;
1975         }
1976     }
1977 }
1978
1979 // ----------------------------------------------------------------------------
1980 // do Update UI processing for child controls
1981 // ----------------------------------------------------------------------------
1982
1983 void wxWindowBase::UpdateWindowUI(long flags)
1984 {
1985     wxUpdateUIEvent event(GetId());
1986     event.SetEventObject(this);
1987
1988     if ( GetEventHandler()->ProcessEvent(event) )
1989     {
1990         DoUpdateWindowUI(event);
1991     }
1992
1993     if (flags & wxUPDATE_UI_RECURSE)
1994     {
1995         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1996         while (node)
1997         {
1998             wxWindow* child = (wxWindow*) node->GetData();
1999             child->UpdateWindowUI(flags);
2000             node = node->GetNext();
2001         }
2002     }
2003 }
2004
2005 // do the window-specific processing after processing the update event
2006 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2007 {
2008     if ( event.GetSetEnabled() )
2009         Enable(event.GetEnabled());
2010
2011     if ( event.GetSetShown() )
2012         Show(event.GetShown());
2013 }
2014
2015 #if 0
2016 // call internal idle recursively
2017 // may be obsolete (wait until OnIdle scheme stabilises)
2018 void wxWindowBase::ProcessInternalIdle()
2019 {
2020     OnInternalIdle();
2021
2022     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2023     while (node)
2024     {
2025         wxWindow *child = node->GetData();
2026         child->ProcessInternalIdle();
2027         node = node->GetNext();
2028     }
2029 }
2030 #endif
2031
2032 // ----------------------------------------------------------------------------
2033 // dialog units translations
2034 // ----------------------------------------------------------------------------
2035
2036 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2037 {
2038     int charWidth = GetCharWidth();
2039     int charHeight = GetCharHeight();
2040     wxPoint pt2 = wxDefaultPosition;
2041     if (pt.x != wxDefaultCoord)
2042         pt2.x = (int) ((pt.x * 4) / charWidth);
2043     if (pt.y != wxDefaultCoord)
2044         pt2.y = (int) ((pt.y * 8) / charHeight);
2045
2046     return pt2;
2047 }
2048
2049 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2050 {
2051     int charWidth = GetCharWidth();
2052     int charHeight = GetCharHeight();
2053     wxPoint pt2 = wxDefaultPosition;
2054     if (pt.x != wxDefaultCoord)
2055         pt2.x = (int) ((pt.x * charWidth) / 4);
2056     if (pt.y != wxDefaultCoord)
2057         pt2.y = (int) ((pt.y * charHeight) / 8);
2058
2059     return pt2;
2060 }
2061
2062 // ----------------------------------------------------------------------------
2063 // event handlers
2064 // ----------------------------------------------------------------------------
2065
2066 // propagate the colour change event to the subwindows
2067 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2068 {
2069     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2070     while ( node )
2071     {
2072         // Only propagate to non-top-level windows
2073         wxWindow *win = node->GetData();
2074         if ( !win->IsTopLevel() )
2075         {
2076             wxSysColourChangedEvent event2;
2077             event.SetEventObject(win);
2078             win->GetEventHandler()->ProcessEvent(event2);
2079         }
2080
2081         node = node->GetNext();
2082     }
2083
2084     Refresh();
2085 }
2086
2087 // the default action is to populate dialog with data when it's created,
2088 // and nudge the UI into displaying itself correctly in case
2089 // we've turned the wxUpdateUIEvents frequency down low.
2090 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2091 {
2092     TransferDataToWindow();
2093
2094     // Update the UI at this point
2095     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2096 }
2097
2098 // methods for drawing the sizers in a visible way
2099 #ifdef __WXDEBUG__
2100
2101 static void DrawSizers(wxWindowBase *win);
2102
2103 static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
2104 {
2105     wxClientDC dc((wxWindow *)win);
2106     dc.SetPen(*wxRED_PEN);
2107     dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
2108     dc.DrawRectangle(rect.Deflate(1, 1));
2109 }
2110
2111 static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
2112 {
2113     const wxSizerItemList& items = sizer->GetChildren();
2114     for ( wxSizerItemList::const_iterator i = items.begin(),
2115                                         end = items.end();
2116           i != end;
2117           ++i )
2118     {
2119         wxSizerItem *item = *i;
2120         if ( item->IsSizer() )
2121         {
2122             DrawBorder(win, item->GetRect().Deflate(2));
2123             DrawSizer(win, item->GetSizer());
2124         }
2125         else if ( item->IsSpacer() )
2126         {
2127             DrawBorder(win, item->GetRect().Deflate(2), true);
2128         }
2129         else if ( item->IsWindow() )
2130         {
2131             DrawSizers(item->GetWindow());
2132         }
2133     }
2134 }
2135
2136 static void DrawSizers(wxWindowBase *win)
2137 {
2138     wxSizer *sizer = win->GetSizer();
2139     if ( sizer )
2140     {
2141         DrawBorder(win, win->GetClientSize());
2142         DrawSizer(win, sizer);
2143     }
2144     else // no sizer, still recurse into the children
2145     {
2146         const wxWindowList& children = win->GetChildren();
2147         for ( wxWindowList::const_iterator i = children.begin(),
2148                                          end = children.end();
2149               i != end;
2150               ++i )
2151         {
2152             DrawSizers(*i);
2153         }
2154     }
2155 }
2156
2157 #endif // __WXDEBUG__
2158
2159 // process special middle clicks
2160 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2161 {
2162     if ( event.ControlDown() && event.AltDown() )
2163     {
2164 #ifdef __WXDEBUG__
2165         // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
2166         if ( event.ShiftDown() )
2167         {
2168             DrawSizers(this);
2169             return;
2170         }
2171 #endif // __WXDEBUG__
2172
2173 #if wxUSE_MSGDLG
2174         // don't translate these strings
2175         wxString port;
2176
2177 #ifdef __WXUNIVERSAL__
2178         port = _T("Univ/");
2179 #endif // __WXUNIVERSAL__
2180
2181         switch ( wxGetOsVersion() )
2182         {
2183             case wxMOTIF_X:            port += _T("Motif"); break;
2184             case wxMAC:
2185             case wxMAC_DARWIN:         port += _T("Mac"); break;
2186             case wxBEOS:               port += _T("BeOS"); break;
2187             case wxGTK:
2188             case wxGTK_WIN32:
2189             case wxGTK_OS2:
2190             case wxGTK_BEOS:           port += _T("GTK"); break;
2191             case wxWINDOWS:
2192             case wxPENWINDOWS:
2193             case wxWINDOWS_NT:
2194             case wxWIN32S:
2195             case wxWIN95:
2196             case wxWIN386:             port += _T("MS Windows"); break;
2197             case wxMGL_UNIX:
2198             case wxMGL_X:
2199             case wxMGL_WIN32:
2200             case wxMGL_OS2:            port += _T("MGL"); break;
2201             case wxWINDOWS_OS2:
2202             case wxOS2_PM:             port += _T("OS/2"); break;
2203             case wxPALMOS:             port += _T("Palm OS"); break;
2204             case wxWINDOWS_CE:         port += _T("Windows CE (generic)"); break;
2205             case wxWINDOWS_POCKETPC:   port += _T("Windows CE PocketPC"); break;
2206             case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break;
2207             default:            port += _T("unknown"); break;
2208         }
2209
2210         wxMessageBox(wxString::Format(
2211                                       _T(
2212                                         "       wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n   Copyright (c) 1995-2006 wxWidgets team"
2213                                         ),
2214                                       port.c_str(),
2215                                       wxMAJOR_VERSION,
2216                                       wxMINOR_VERSION,
2217                                       wxRELEASE_NUMBER,
2218 #if wxUSE_UNICODE
2219                                       L" (Unicode)",
2220 #else
2221                                       "",
2222 #endif
2223 #ifdef __WXDEBUG__
2224                                       _T(" Debug build"),
2225 #else
2226                                       wxEmptyString,
2227 #endif
2228                                       __TDATE__,
2229                                       __TTIME__,
2230 #ifdef __WXGTK__
2231                                       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()
2232 #else
2233                                       ""
2234 #endif
2235                                      ),
2236                      _T("wxWidgets information"),
2237                      wxICON_INFORMATION | wxOK,
2238                      (wxWindow *)this);
2239     }
2240     else
2241 #endif // wxUSE_MSGDLG
2242     {
2243         event.Skip();
2244     }
2245 }
2246
2247 // ----------------------------------------------------------------------------
2248 // accessibility
2249 // ----------------------------------------------------------------------------
2250
2251 #if wxUSE_ACCESSIBILITY
2252 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2253 {
2254     if (m_accessible && (accessible != m_accessible))
2255         delete m_accessible;
2256     m_accessible = accessible;
2257     if (m_accessible)
2258         m_accessible->SetWindow((wxWindow*) this);
2259 }
2260
2261 // Returns the accessible object, creating if necessary.
2262 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2263 {
2264     if (!m_accessible)
2265         m_accessible = CreateAccessible();
2266     return m_accessible;
2267 }
2268
2269 // Override to create a specific accessible object.
2270 wxAccessible* wxWindowBase::CreateAccessible()
2271 {
2272     return new wxWindowAccessible((wxWindow*) this);
2273 }
2274
2275 #endif
2276
2277 // ----------------------------------------------------------------------------
2278 // list classes implementation
2279 // ----------------------------------------------------------------------------
2280
2281 #if wxUSE_STL
2282
2283 #include "wx/listimpl.cpp"
2284 WX_DEFINE_LIST(wxWindowList)
2285
2286 #else
2287
2288 void wxWindowListNode::DeleteData()
2289 {
2290     delete (wxWindow *)GetData();
2291 }
2292
2293 #endif
2294
2295 // ----------------------------------------------------------------------------
2296 // borders
2297 // ----------------------------------------------------------------------------
2298
2299 wxBorder wxWindowBase::GetBorder(long flags) const
2300 {
2301     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2302     if ( border == wxBORDER_DEFAULT )
2303     {
2304         border = GetDefaultBorder();
2305     }
2306
2307     return border;
2308 }
2309
2310 wxBorder wxWindowBase::GetDefaultBorder() const
2311 {
2312     return wxBORDER_NONE;
2313 }
2314
2315 // ----------------------------------------------------------------------------
2316 // hit testing
2317 // ----------------------------------------------------------------------------
2318
2319 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2320 {
2321     // here we just check if the point is inside the window or not
2322
2323     // check the top and left border first
2324     bool outside = x < 0 || y < 0;
2325     if ( !outside )
2326     {
2327         // check the right and bottom borders too
2328         wxSize size = GetSize();
2329         outside = x >= size.x || y >= size.y;
2330     }
2331
2332     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2333 }
2334
2335 // ----------------------------------------------------------------------------
2336 // mouse capture
2337 // ----------------------------------------------------------------------------
2338
2339 struct WXDLLEXPORT wxWindowNext
2340 {
2341     wxWindow *win;
2342     wxWindowNext *next;
2343 } *wxWindowBase::ms_winCaptureNext = NULL;
2344
2345 void wxWindowBase::CaptureMouse()
2346 {
2347     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2348
2349     wxWindow *winOld = GetCapture();
2350     if ( winOld )
2351     {
2352         ((wxWindowBase*) winOld)->DoReleaseMouse();
2353
2354         // save it on stack
2355         wxWindowNext *item = new wxWindowNext;
2356         item->win = winOld;
2357         item->next = ms_winCaptureNext;
2358         ms_winCaptureNext = item;
2359     }
2360     //else: no mouse capture to save
2361
2362     DoCaptureMouse();
2363 }
2364
2365 void wxWindowBase::ReleaseMouse()
2366 {
2367     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2368
2369     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2370
2371     DoReleaseMouse();
2372
2373     if ( ms_winCaptureNext )
2374     {
2375         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2376
2377         wxWindowNext *item = ms_winCaptureNext;
2378         ms_winCaptureNext = item->next;
2379         delete item;
2380     }
2381     //else: stack is empty, no previous capture
2382
2383     wxLogTrace(_T("mousecapture"),
2384         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2385         GetCapture());
2386 }
2387
2388 #if wxUSE_HOTKEY
2389
2390 bool
2391 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2392                              int WXUNUSED(modifiers),
2393                              int WXUNUSED(keycode))
2394 {
2395     // not implemented
2396     return false;
2397 }
2398
2399 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2400 {
2401     // not implemented
2402     return false;
2403 }
2404
2405 #endif // wxUSE_HOTKEY
2406
2407 void wxWindowBase::SendDestroyEvent()
2408 {
2409     wxWindowDestroyEvent event;
2410     event.SetEventObject(this);
2411     event.SetId(GetId());
2412     GetEventHandler()->ProcessEvent(event);
2413 }
2414
2415 // ----------------------------------------------------------------------------
2416 // event processing
2417 // ----------------------------------------------------------------------------
2418
2419 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2420 {
2421 #if wxUSE_VALIDATORS
2422     // Can only use the validator of the window which
2423     // is receiving the event
2424     if ( event.GetEventObject() == this )
2425     {
2426         wxValidator *validator = GetValidator();
2427         if ( validator && validator->ProcessEvent(event) )
2428         {
2429             return true;
2430         }
2431     }
2432 #endif // wxUSE_VALIDATORS
2433
2434     return false;
2435 }
2436
2437 bool wxWindowBase::TryParent(wxEvent& event)
2438 {
2439     // carry on up the parent-child hierarchy if the propagation count hasn't
2440     // reached zero yet
2441     if ( event.ShouldPropagate() )
2442     {
2443         // honour the requests to stop propagation at this window: this is
2444         // used by the dialogs, for example, to prevent processing the events
2445         // from the dialog controls in the parent frame which rarely, if ever,
2446         // makes sense
2447         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2448         {
2449             wxWindow *parent = GetParent();
2450             if ( parent && !parent->IsBeingDeleted() )
2451             {
2452                 wxPropagateOnce propagateOnce(event);
2453
2454                 return parent->GetEventHandler()->ProcessEvent(event);
2455             }
2456         }
2457     }
2458
2459     return wxEvtHandler::TryParent(event);
2460 }
2461
2462 // ----------------------------------------------------------------------------
2463 // keyboard navigation
2464 // ----------------------------------------------------------------------------
2465
2466 // Navigates in the specified direction.
2467 bool wxWindowBase::Navigate(int flags)
2468 {
2469     wxNavigationKeyEvent eventNav;
2470     eventNav.SetFlags(flags);
2471     eventNav.SetEventObject(this);
2472     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2473     {
2474         return true;
2475     }
2476     return false;
2477 }
2478
2479 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2480 {
2481     // check that we're not a top level window
2482     wxCHECK_RET( GetParent(),
2483                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2484
2485     // detect the special case when we have nothing to do anyhow and when the
2486     // code below wouldn't work
2487     if ( win == this )
2488         return;
2489
2490     // find the target window in the siblings list
2491     wxWindowList& siblings = GetParent()->GetChildren();
2492     wxWindowList::compatibility_iterator i = siblings.Find(win);
2493     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2494
2495     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2496     // can't just move the node around
2497     wxWindow *self = (wxWindow *)this;
2498     siblings.DeleteObject(self);
2499     if ( move == MoveAfter )
2500     {
2501         i = i->GetNext();
2502     }
2503
2504     if ( i )
2505     {
2506         siblings.Insert(i, self);
2507     }
2508     else // MoveAfter and win was the last sibling
2509     {
2510         siblings.Append(self);
2511     }
2512 }
2513
2514 // ----------------------------------------------------------------------------
2515 // focus handling
2516 // ----------------------------------------------------------------------------
2517
2518 /*static*/ wxWindow* wxWindowBase::FindFocus()
2519 {
2520     wxWindowBase *win = DoFindFocus();
2521     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2522 }
2523
2524 // ----------------------------------------------------------------------------
2525 // global functions
2526 // ----------------------------------------------------------------------------
2527
2528 wxWindow* wxGetTopLevelParent(wxWindow *win)
2529 {
2530     while ( win && !win->IsTopLevel() )
2531          win = win->GetParent();
2532
2533     return win;
2534 }
2535
2536 #if wxUSE_ACCESSIBILITY
2537 // ----------------------------------------------------------------------------
2538 // accessible object for windows
2539 // ----------------------------------------------------------------------------
2540
2541 // Can return either a child object, or an integer
2542 // representing the child element, starting from 1.
2543 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2544 {
2545     wxASSERT( GetWindow() != NULL );
2546     if (!GetWindow())
2547         return wxACC_FAIL;
2548
2549     return wxACC_NOT_IMPLEMENTED;
2550 }
2551
2552 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2553 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2554 {
2555     wxASSERT( GetWindow() != NULL );
2556     if (!GetWindow())
2557         return wxACC_FAIL;
2558
2559     wxWindow* win = NULL;
2560     if (elementId == 0)
2561     {
2562         win = GetWindow();
2563     }
2564     else
2565     {
2566         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2567         {
2568             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2569         }
2570         else
2571             return wxACC_FAIL;
2572     }
2573     if (win)
2574     {
2575         rect = win->GetRect();
2576         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2577             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2578         return wxACC_OK;
2579     }
2580
2581     return wxACC_NOT_IMPLEMENTED;
2582 }
2583
2584 // Navigates from fromId to toId/toObject.
2585 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2586                              int* WXUNUSED(toId), wxAccessible** toObject)
2587 {
2588     wxASSERT( GetWindow() != NULL );
2589     if (!GetWindow())
2590         return wxACC_FAIL;
2591
2592     switch (navDir)
2593     {
2594     case wxNAVDIR_FIRSTCHILD:
2595         {
2596             if (GetWindow()->GetChildren().GetCount() == 0)
2597                 return wxACC_FALSE;
2598             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2599             *toObject = childWindow->GetOrCreateAccessible();
2600
2601             return wxACC_OK;
2602         }
2603     case wxNAVDIR_LASTCHILD:
2604         {
2605             if (GetWindow()->GetChildren().GetCount() == 0)
2606                 return wxACC_FALSE;
2607             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2608             *toObject = childWindow->GetOrCreateAccessible();
2609
2610             return wxACC_OK;
2611         }
2612     case wxNAVDIR_RIGHT:
2613     case wxNAVDIR_DOWN:
2614     case wxNAVDIR_NEXT:
2615         {
2616             wxWindowList::compatibility_iterator node =
2617                 wxWindowList::compatibility_iterator();
2618             if (fromId == 0)
2619             {
2620                 // Can't navigate to sibling of this window
2621                 // if we're a top-level window.
2622                 if (!GetWindow()->GetParent())
2623                     return wxACC_NOT_IMPLEMENTED;
2624
2625                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2626             }
2627             else
2628             {
2629                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2630                     node = GetWindow()->GetChildren().Item(fromId-1);
2631             }
2632
2633             if (node && node->GetNext())
2634             {
2635                 wxWindow* nextWindow = node->GetNext()->GetData();
2636                 *toObject = nextWindow->GetOrCreateAccessible();
2637                 return wxACC_OK;
2638             }
2639             else
2640                 return wxACC_FALSE;
2641         }
2642     case wxNAVDIR_LEFT:
2643     case wxNAVDIR_UP:
2644     case wxNAVDIR_PREVIOUS:
2645         {
2646             wxWindowList::compatibility_iterator node =
2647                 wxWindowList::compatibility_iterator();
2648             if (fromId == 0)
2649             {
2650                 // Can't navigate to sibling of this window
2651                 // if we're a top-level window.
2652                 if (!GetWindow()->GetParent())
2653                     return wxACC_NOT_IMPLEMENTED;
2654
2655                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2656             }
2657             else
2658             {
2659                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2660                     node = GetWindow()->GetChildren().Item(fromId-1);
2661             }
2662
2663             if (node && node->GetPrevious())
2664             {
2665                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2666                 *toObject = previousWindow->GetOrCreateAccessible();
2667                 return wxACC_OK;
2668             }
2669             else
2670                 return wxACC_FALSE;
2671         }
2672     }
2673
2674     return wxACC_NOT_IMPLEMENTED;
2675 }
2676
2677 // Gets the name of the specified object.
2678 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2679 {
2680     wxASSERT( GetWindow() != NULL );
2681     if (!GetWindow())
2682         return wxACC_FAIL;
2683
2684     wxString title;
2685
2686     // If a child, leave wxWidgets to call the function on the actual
2687     // child object.
2688     if (childId > 0)
2689         return wxACC_NOT_IMPLEMENTED;
2690
2691     // This will eventually be replaced by specialised
2692     // accessible classes, one for each kind of wxWidgets
2693     // control or window.
2694 #if wxUSE_BUTTON
2695     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2696         title = ((wxButton*) GetWindow())->GetLabel();
2697     else
2698 #endif
2699         title = GetWindow()->GetName();
2700
2701     if (!title.empty())
2702     {
2703         *name = title;
2704         return wxACC_OK;
2705     }
2706     else
2707         return wxACC_NOT_IMPLEMENTED;
2708 }
2709
2710 // Gets the number of children.
2711 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2712 {
2713     wxASSERT( GetWindow() != NULL );
2714     if (!GetWindow())
2715         return wxACC_FAIL;
2716
2717     *childId = (int) GetWindow()->GetChildren().GetCount();
2718     return wxACC_OK;
2719 }
2720
2721 // Gets the specified child (starting from 1).
2722 // If *child is NULL and return value is wxACC_OK,
2723 // this means that the child is a simple element and
2724 // not an accessible object.
2725 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2726 {
2727     wxASSERT( GetWindow() != NULL );
2728     if (!GetWindow())
2729         return wxACC_FAIL;
2730
2731     if (childId == 0)
2732     {
2733         *child = this;
2734         return wxACC_OK;
2735     }
2736
2737     if (childId > (int) GetWindow()->GetChildren().GetCount())
2738         return wxACC_FAIL;
2739
2740     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2741     *child = childWindow->GetOrCreateAccessible();
2742     if (*child)
2743         return wxACC_OK;
2744     else
2745         return wxACC_FAIL;
2746 }
2747
2748 // Gets the parent, or NULL.
2749 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2750 {
2751     wxASSERT( GetWindow() != NULL );
2752     if (!GetWindow())
2753         return wxACC_FAIL;
2754
2755     wxWindow* parentWindow = GetWindow()->GetParent();
2756     if (!parentWindow)
2757     {
2758         *parent = NULL;
2759         return wxACC_OK;
2760     }
2761     else
2762     {
2763         *parent = parentWindow->GetOrCreateAccessible();
2764         if (*parent)
2765             return wxACC_OK;
2766         else
2767             return wxACC_FAIL;
2768     }
2769 }
2770
2771 // Performs the default action. childId is 0 (the action for this object)
2772 // or > 0 (the action for a child).
2773 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2774 // window (e.g. an edit control).
2775 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2776 {
2777     wxASSERT( GetWindow() != NULL );
2778     if (!GetWindow())
2779         return wxACC_FAIL;
2780
2781     return wxACC_NOT_IMPLEMENTED;
2782 }
2783
2784 // Gets the default action for this object (0) or > 0 (the action for a child).
2785 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2786 // string if there is no action.
2787 // The retrieved string describes the action that is performed on an object,
2788 // not what the object does as a result. For example, a toolbar button that prints
2789 // a document has a default action of "Press" rather than "Prints the current document."
2790 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2791 {
2792     wxASSERT( GetWindow() != NULL );
2793     if (!GetWindow())
2794         return wxACC_FAIL;
2795
2796     return wxACC_NOT_IMPLEMENTED;
2797 }
2798
2799 // Returns the description for this object or a child.
2800 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2801 {
2802     wxASSERT( GetWindow() != NULL );
2803     if (!GetWindow())
2804         return wxACC_FAIL;
2805
2806     wxString ht(GetWindow()->GetHelpText());
2807     if (!ht.empty())
2808     {
2809         *description = ht;
2810         return wxACC_OK;
2811     }
2812     return wxACC_NOT_IMPLEMENTED;
2813 }
2814
2815 // Returns help text for this object or a child, similar to tooltip text.
2816 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2817 {
2818     wxASSERT( GetWindow() != NULL );
2819     if (!GetWindow())
2820         return wxACC_FAIL;
2821
2822     wxString ht(GetWindow()->GetHelpText());
2823     if (!ht.empty())
2824     {
2825         *helpText = ht;
2826         return wxACC_OK;
2827     }
2828     return wxACC_NOT_IMPLEMENTED;
2829 }
2830
2831 // Returns the keyboard shortcut for this object or child.
2832 // Return e.g. ALT+K
2833 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2834 {
2835     wxASSERT( GetWindow() != NULL );
2836     if (!GetWindow())
2837         return wxACC_FAIL;
2838
2839     return wxACC_NOT_IMPLEMENTED;
2840 }
2841
2842 // Returns a role constant.
2843 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2844 {
2845     wxASSERT( GetWindow() != NULL );
2846     if (!GetWindow())
2847         return wxACC_FAIL;
2848
2849     // If a child, leave wxWidgets to call the function on the actual
2850     // child object.
2851     if (childId > 0)
2852         return wxACC_NOT_IMPLEMENTED;
2853
2854     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2855         return wxACC_NOT_IMPLEMENTED;
2856 #if wxUSE_STATUSBAR
2857     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2858         return wxACC_NOT_IMPLEMENTED;
2859 #endif
2860 #if wxUSE_TOOLBAR
2861     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2862         return wxACC_NOT_IMPLEMENTED;
2863 #endif
2864
2865     //*role = wxROLE_SYSTEM_CLIENT;
2866     *role = wxROLE_SYSTEM_CLIENT;
2867     return wxACC_OK;
2868
2869     #if 0
2870     return wxACC_NOT_IMPLEMENTED;
2871     #endif
2872 }
2873
2874 // Returns a state constant.
2875 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2876 {
2877     wxASSERT( GetWindow() != NULL );
2878     if (!GetWindow())
2879         return wxACC_FAIL;
2880
2881     // If a child, leave wxWidgets to call the function on the actual
2882     // child object.
2883     if (childId > 0)
2884         return wxACC_NOT_IMPLEMENTED;
2885
2886     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2887         return wxACC_NOT_IMPLEMENTED;
2888
2889 #if wxUSE_STATUSBAR
2890     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2891         return wxACC_NOT_IMPLEMENTED;
2892 #endif
2893 #if wxUSE_TOOLBAR
2894     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2895         return wxACC_NOT_IMPLEMENTED;
2896 #endif
2897
2898     *state = 0;
2899     return wxACC_OK;
2900
2901     #if 0
2902     return wxACC_NOT_IMPLEMENTED;
2903     #endif
2904 }
2905
2906 // Returns a localized string representing the value for the object
2907 // or child.
2908 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2909 {
2910     wxASSERT( GetWindow() != NULL );
2911     if (!GetWindow())
2912         return wxACC_FAIL;
2913
2914     return wxACC_NOT_IMPLEMENTED;
2915 }
2916
2917 // Selects the object or child.
2918 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2919 {
2920     wxASSERT( GetWindow() != NULL );
2921     if (!GetWindow())
2922         return wxACC_FAIL;
2923
2924     return wxACC_NOT_IMPLEMENTED;
2925 }
2926
2927 // Gets the window with the keyboard focus.
2928 // If childId is 0 and child is NULL, no object in
2929 // this subhierarchy has the focus.
2930 // If this object has the focus, child should be 'this'.
2931 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2932 {
2933     wxASSERT( GetWindow() != NULL );
2934     if (!GetWindow())
2935         return wxACC_FAIL;
2936
2937     return wxACC_NOT_IMPLEMENTED;
2938 }
2939
2940 // Gets a variant representing the selected children
2941 // of this object.
2942 // Acceptable values:
2943 // - a null variant (IsNull() returns true)
2944 // - a list variant (GetType() == wxT("list")
2945 // - an integer representing the selected child element,
2946 //   or 0 if this object is selected (GetType() == wxT("long")
2947 // - a "void*" pointer to a wxAccessible child object
2948 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
2949 {
2950     wxASSERT( GetWindow() != NULL );
2951     if (!GetWindow())
2952         return wxACC_FAIL;
2953
2954     return wxACC_NOT_IMPLEMENTED;
2955 }
2956
2957 #endif // wxUSE_ACCESSIBILITY