src/common/wincmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/window.cpp
   3 // Purpose:     common (to all ports) wxWindow functions
   4 // Author:      Julian Smart, Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/string.h"
  29     #include "wx/log.h"
  30     #include "wx/intl.h"
  31     #include "wx/frame.h"
  32     #include "wx/window.h"
  33     #include "wx/control.h"
  34     #include "wx/checkbox.h"
  35     #include "wx/radiobut.h"
  36     #include "wx/statbox.h"
  37     #include "wx/textctrl.h"
  38     #include "wx/settings.h"
  39     #include "wx/dialog.h"
  40     #include "wx/msgdlg.h"
  41     #include "wx/statusbr.h"
  42     #include "wx/toolbar.h"
  43     #include "wx/dcclient.h"
  44     #include "wx/scrolbar.h"
  45     #include "wx/layout.h"
  46     #include "wx/sizer.h"
  47 #endif //WX_PRECOMP
  48
  49 #if wxUSE_DRAG_AND_DROP
  50     #include "wx/dnd.h"
  51 #endif // wxUSE_DRAG_AND_DROP
  52
  53 #if wxUSE_ACCESSIBILITY
  54     #include "wx/access.h"
  55 #endif
  56
  57 #if wxUSE_HELP
  58     #include "wx/cshelp.h"
  59 #endif // wxUSE_HELP
  60
  61 #if wxUSE_TOOLTIPS
  62     #include "wx/tooltip.h"
  63 #endif // wxUSE_TOOLTIPS
  64
  65 #if wxUSE_CARET
  66     #include "wx/caret.h"
  67 #endif // wxUSE_CARET
  68
  69 #if wxUSE_SYSTEM_OPTIONS
  70     #include "wx/sysopt.h"
  71 #endif
  72
  73 // For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
  74 // The gtk includes don't pull any other headers in, at least not on my system - MR
  75 #ifdef __WXGTK__
  76     #ifdef __WXGTK20__
  77         #include <gtk/gtkversion.h>
  78     #else
  79         #include <gtk/gtkfeatures.h>
  80     #endif
  81     extern const unsigned int gtk_major_version;
  82     extern const unsigned int gtk_minor_version;
  83     extern const unsigned int gtk_micro_version;
  84 #endif
  85
  86 #include "wx/platinfo.h"
  87
  88 // Windows List
  89 WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
  90
  91 // ----------------------------------------------------------------------------
  92 // static data
  93 // ----------------------------------------------------------------------------
  94
  95 #if defined(__WXPALMOS__)
  96 int wxWindowBase::ms_lastControlId = 32767;
  97 #elif defined(__WXPM__)
  98 int wxWindowBase::ms_lastControlId = 2000;
  99 #else
 100 int wxWindowBase::ms_lastControlId = -200;
 101 #endif
 102
 103 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 104
 105 // ----------------------------------------------------------------------------
 106 // event table
 107 // ----------------------------------------------------------------------------
 108
 109 BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
 110     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
 111     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
 112     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
 113
 114 #if wxUSE_HELP
 115     EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
 116 #endif // wxUSE_HELP
 117
 118 END_EVENT_TABLE()
 119
 120 // ============================================================================
 121 // implementation of the common functionality of the wxWindow class
 122 // ============================================================================
 123
 124 // ----------------------------------------------------------------------------
 125 // initialization
 126 // ----------------------------------------------------------------------------
 127
 128 // the default initialization
 129 wxWindowBase::wxWindowBase()
 130 {
 131     // no window yet, no parent nor children
 132     m_parent = (wxWindow *)NULL;
 133     m_windowId = wxID_ANY;
 134
 135     // no constraints on the minimal window size
 136     m_minWidth =
 137     m_maxWidth = wxDefaultCoord;
 138     m_minHeight =
 139     m_maxHeight = wxDefaultCoord;
 140
 141     // invalidiated cache value
 142     m_bestSizeCache = wxDefaultSize;
 143
 144     // window are created enabled and visible by default
 145     m_isShown =
 146     m_isEnabled = true;
 147
 148     // the default event handler is just this window
 149     m_eventHandler = this;
 150
 151 #if wxUSE_VALIDATORS
 152     // no validator
 153     m_windowValidator = (wxValidator *) NULL;
 154 #endif // wxUSE_VALIDATORS
 155
 156     // the colours/fonts are default for now, so leave m_font,
 157     // m_backgroundColour and m_foregroundColour uninitialized and set those
 158     m_hasBgCol =
 159     m_hasFgCol =
 160     m_hasFont = false;
 161     m_inheritBgCol =
 162     m_inheritFgCol =
 163     m_inheritFont = false;
 164
 165     // no style bits
 166     m_exStyle =
 167     m_windowStyle = 0;
 168
 169     m_backgroundStyle = wxBG_STYLE_SYSTEM;
 170
 171 #if wxUSE_CONSTRAINTS
 172     // no constraints whatsoever
 173     m_constraints = (wxLayoutConstraints *) NULL;
 174     m_constraintsInvolvedIn = (wxWindowList *) NULL;
 175 #endif // wxUSE_CONSTRAINTS
 176
 177     m_windowSizer = (wxSizer *) NULL;
 178     m_containingSizer = (wxSizer *) NULL;
 179     m_autoLayout = false;
 180
 181 #if wxUSE_DRAG_AND_DROP
 182     m_dropTarget = (wxDropTarget *)NULL;
 183 #endif // wxUSE_DRAG_AND_DROP
 184
 185 #if wxUSE_TOOLTIPS
 186     m_tooltip = (wxToolTip *)NULL;
 187 #endif // wxUSE_TOOLTIPS
 188
 189 #if wxUSE_CARET
 190     m_caret = (wxCaret *)NULL;
 191 #endif // wxUSE_CARET
 192
 193 #if wxUSE_PALETTE
 194     m_hasCustomPalette = false;
 195 #endif // wxUSE_PALETTE
 196
 197 #if wxUSE_ACCESSIBILITY
 198     m_accessible = NULL;
 199 #endif
 200
 201     m_virtualSize = wxDefaultSize;
 202
 203     m_minVirtualWidth =
 204     m_maxVirtualWidth = wxDefaultCoord;
 205     m_minVirtualHeight =
 206     m_maxVirtualHeight = wxDefaultCoord;
 207
 208     m_windowVariant = wxWINDOW_VARIANT_NORMAL;
 209 #if wxUSE_SYSTEM_OPTIONS
 210     if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
 211     {
 212        m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
 213     }
 214 #endif
 215
 216     // Whether we're using the current theme for this window (wxGTK only for now)
 217     m_themeEnabled = false;
 218
 219     // VZ: this one shouldn't exist...
 220     m_isBeingDeleted = false;
 221 }
 222
 223 // common part of window creation process
 224 bool wxWindowBase::CreateBase(wxWindowBase *parent,
 225                               wxWindowID id,
 226                               const wxPoint& WXUNUSED(pos),
 227                               const wxSize& WXUNUSED(size),
 228                               long style,
 229                               const wxValidator& wxVALIDATOR_PARAM(validator),
 230                               const wxString& name)
 231 {
 232 #if wxUSE_STATBOX
 233     // wxGTK doesn't allow to create controls with static box as the parent so
 234     // this will result in a crash when the program is ported to wxGTK so warn
 235     // the user about it
 236
 237     // if you get this assert, the correct solution is to create the controls
 238     // as siblings of the static box
 239     wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
 240                   _T("wxStaticBox can't be used as a window parent!") );
 241 #endif // wxUSE_STATBOX
 242
 243     // ids are limited to 16 bits under MSW so if you care about portability,
 244     // it's not a good idea to use ids out of this range (and negative ids are
 245     // reserved for wxWidgets own usage)
 246     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
 247                   _T("invalid id value") );
 248
 249     // generate a new id if the user doesn't care about it
 250     m_windowId = id == wxID_ANY ? NewControlId() : id;
 251
 252     SetName(name);
 253     SetWindowStyleFlag(style);
 254     SetParent(parent);
 255
 256 #if wxUSE_VALIDATORS
 257     SetValidator(validator);
 258 #endif // wxUSE_VALIDATORS
 259
 260     // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
 261     // have it too - like this it's possible to set it only in the top level
 262     // dialog/frame and all children will inherit it by defult
 263     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
 264     {
 265         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
 266     }
 267
 268     return true;
 269 }
 270
 271 // ----------------------------------------------------------------------------
 272 // destruction
 273 // ----------------------------------------------------------------------------
 274
 275 // common clean up
 276 wxWindowBase::~wxWindowBase()
 277 {
 278     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 279
 280     // FIXME if these 2 cases result from programming errors in the user code
 281     //       we should probably assert here instead of silently fixing them
 282
 283     // Just in case the window has been Closed, but we're then deleting
 284     // immediately: don't leave dangling pointers.
 285     wxPendingDelete.DeleteObject(this);
 286
 287     // Just in case we've loaded a top-level window via LoadNativeDialog but
 288     // we weren't a dialog class
 289     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 290
 291     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 292
 293     // reset the dangling pointer our parent window may keep to us
 294     if ( m_parent )
 295     {
 296         m_parent->RemoveChild(this);
 297     }
 298
 299 #if wxUSE_CARET
 300     delete m_caret;
 301 #endif // wxUSE_CARET
 302
 303 #if wxUSE_VALIDATORS
 304     delete m_windowValidator;
 305 #endif // wxUSE_VALIDATORS
 306
 307 #if wxUSE_CONSTRAINTS
 308     // Have to delete constraints/sizer FIRST otherwise sizers may try to look
 309     // at deleted windows as they delete themselves.
 310     DeleteRelatedConstraints();
 311
 312     if ( m_constraints )
 313     {
 314         // This removes any dangling pointers to this window in other windows'
 315         // constraintsInvolvedIn lists.
 316         UnsetConstraints(m_constraints);
 317         delete m_constraints;
 318         m_constraints = NULL;
 319     }
 320 #endif // wxUSE_CONSTRAINTS
 321
 322     if ( m_containingSizer )
 323         m_containingSizer->Detach( (wxWindow*)this );
 324
 325     delete m_windowSizer;
 326
 327 #if wxUSE_DRAG_AND_DROP
 328     delete m_dropTarget;
 329 #endif // wxUSE_DRAG_AND_DROP
 330
 331 #if wxUSE_TOOLTIPS
 332     delete m_tooltip;
 333 #endif // wxUSE_TOOLTIPS
 334
 335 #if wxUSE_ACCESSIBILITY
 336     delete m_accessible;
 337 #endif
 338 }
 339
 340 bool wxWindowBase::Destroy()
 341 {
 342     delete this;
 343
 344     return true;
 345 }
 346
 347 bool wxWindowBase::Close(bool force)
 348 {
 349     wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
 350     event.SetEventObject(this);
 351     event.SetCanVeto(!force);
 352
 353     // return false if window wasn't closed because the application vetoed the
 354     // close event
 355     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 356 }
 357
 358 bool wxWindowBase::DestroyChildren()
 359 {
 360     wxWindowList::compatibility_iterator node;
 361     for ( ;; )
 362     {
 363         // we iterate until the list becomes empty
 364         node = GetChildren().GetFirst();
 365         if ( !node )
 366             break;
 367
 368         wxWindow *child = node->GetData();
 369
 370         // note that we really want to call delete and not ->Destroy() here
 371         // because we want to delete the child immediately, before we are
 372         // deleted, and delayed deletion would result in problems as our (top
 373         // level) child could outlive its parent
 374         delete child;
 375
 376         wxASSERT_MSG( !GetChildren().Find(child),
 377                       wxT("child didn't remove itself using RemoveChild()") );
 378     }
 379
 380     return true;
 381 }
 382
 383 // ----------------------------------------------------------------------------
 384 // size/position related methods
 385 // ----------------------------------------------------------------------------
 386
 387 // centre the window with respect to its parent in either (or both) directions
 388 void wxWindowBase::DoCentre(int dir)
 389 {
 390     wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
 391                  _T("this method only implements centering child windows") );
 392
 393     SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
 394 }
 395
 396 // fits the window around the children
 397 void wxWindowBase::Fit()
 398 {
 399     if ( !GetChildren().empty() )
 400     {
 401         SetSize(GetBestSize());
 402     }
 403     //else: do nothing if we have no children
 404 }
 405
 406 // fits virtual size (ie. scrolled area etc.) around children
 407 void wxWindowBase::FitInside()
 408 {
 409     if ( GetChildren().GetCount() > 0 )
 410     {
 411         SetVirtualSize( GetBestVirtualSize() );
 412     }
 413 }
 414
 415 // On Mac, scrollbars are explicitly children.
 416 #ifdef __WXMAC__
 417 static bool wxHasRealChildren(const wxWindowBase* win)
 418 {
 419     int realChildCount = 0;
 420
 421     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 422           node;
 423           node = node->GetNext() )
 424     {
 425         wxWindow *win = node->GetData();
 426         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 427             realChildCount ++;
 428     }
 429     return (realChildCount > 0);
 430 }
 431 #endif
 432
 433 void wxWindowBase::InvalidateBestSize()
 434 {
 435     m_bestSizeCache = wxDefaultSize;
 436
 437     // parent's best size calculation may depend on its children's
 438     // as long as child window we are in is not top level window itself
 439     // (because the TLW size is never resized automatically)
 440     // so let's invalidate it as well to be safe:
 441     if (m_parent && !IsTopLevel())
 442         m_parent->InvalidateBestSize();
 443 }
 444
 445 // return the size best suited for the current window
 446 wxSize wxWindowBase::DoGetBestSize() const
 447 {
 448     wxSize best;
 449
 450     if ( m_windowSizer )
 451     {
 452         best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
 453     }
 454 #if wxUSE_CONSTRAINTS
 455     else if ( m_constraints )
 456     {
 457         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 458
 459         // our minimal acceptable size is such that all our windows fit inside
 460         int maxX = 0,
 461             maxY = 0;
 462
 463         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 464               node;
 465               node = node->GetNext() )
 466         {
 467             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 468             if ( !c )
 469             {
 470                 // it's not normal that we have an unconstrained child, but
 471                 // what can we do about it?
 472                 continue;
 473             }
 474
 475             int x = c->right.GetValue(),
 476                 y = c->bottom.GetValue();
 477
 478             if ( x > maxX )
 479                 maxX = x;
 480
 481             if ( y > maxY )
 482                 maxY = y;
 483
 484             // TODO: we must calculate the overlaps somehow, otherwise we
 485             //       will never return a size bigger than the current one :-(
 486         }
 487
 488         best = wxSize(maxX, maxY);
 489     }
 490 #endif // wxUSE_CONSTRAINTS
 491     else if ( !GetChildren().empty()
 492 #ifdef __WXMAC__
 493               && wxHasRealChildren(this)
 494 #endif
 495               )
 496     {
 497         // our minimal acceptable size is such that all our visible child
 498         // windows fit inside
 499         int maxX = 0,
 500             maxY = 0;
 501
 502         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 503               node;
 504               node = node->GetNext() )
 505         {
 506             wxWindow *win = node->GetData();
 507             if ( win->IsTopLevel()
 508                     || !win->IsShown()
 509 #if wxUSE_STATUSBAR
 510                         || wxDynamicCast(win, wxStatusBar)
 511 #endif // wxUSE_STATUSBAR
 512                )
 513             {
 514                 // dialogs and frames lie in different top level windows -
 515                 // don't deal with them here; as for the status bars, they
 516                 // don't lie in the client area at all
 517                 continue;
 518             }
 519
 520             int wx, wy, ww, wh;
 521             win->GetPosition(&wx, &wy);
 522
 523             // if the window hadn't been positioned yet, assume that it is in
 524             // the origin
 525             if ( wx == wxDefaultCoord )
 526                 wx = 0;
 527             if ( wy == wxDefaultCoord )
 528                 wy = 0;
 529
 530             win->GetSize(&ww, &wh);
 531             if ( wx + ww > maxX )
 532                 maxX = wx + ww;
 533             if ( wy + wh > maxY )
 534                 maxY = wy + wh;
 535         }
 536
 537         best = wxSize(maxX, maxY);
 538     }
 539     else // ! has children
 540     {
 541         // for a generic window there is no natural best size so, if the
 542         // minimal size is not set, use the current size but take care to
 543         // remember it as minimal size for the next time because our best size
 544         // should be constant: otherwise we could get into a situation when the
 545         // window is initially at some size, then expanded to a larger size and
 546         // then, when the containing window is shrunk back (because our initial
 547         // best size had been used for computing the parent min size), we can't
 548         // be shrunk back any more because our best size is now bigger
 549         wxSize size = GetMinSize();
 550         if ( !size.IsFullySpecified() )
 551         {
 552             size.SetDefaults(GetSize());
 553             wxConstCast(this, wxWindowBase)->SetMinSize(size);
 554         }
 555
 556         // return as-is, unadjusted by the client size difference.
 557         return size;
 558     }
 559
 560     // Add any difference between size and client size
 561     wxSize diff = GetSize() - GetClientSize();
 562     best.x += wxMax(0, diff.x);
 563     best.y += wxMax(0, diff.y);
 564
 565     return best;
 566 }
 567
 568
 569 wxSize wxWindowBase::GetBestFittingSize() const
 570 {
 571     // merge the best size with the min size, giving priority to the min size
 572     wxSize min = GetMinSize();
 573     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 574     {
 575         wxSize best = GetBestSize();
 576         if (min.x == wxDefaultCoord) min.x =  best.x;
 577         if (min.y == wxDefaultCoord) min.y =  best.y;
 578     }
 579     return min;
 580 }
 581
 582
 583 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 584 {
 585     // Set the min size to the size passed in.  This will usually either be
 586     // wxDefaultSize or the size passed to this window's ctor/Create function.
 587     SetMinSize(size);
 588
 589     // Merge the size with the best size if needed
 590     wxSize best = GetBestFittingSize();
 591
 592     // If the current size doesn't match then change it
 593     if (GetSize() != best)
 594         SetSize(best);
 595 }
 596
 597
 598 // by default the origin is not shifted
 599 wxPoint wxWindowBase::GetClientAreaOrigin() const
 600 {
 601     return wxPoint(0,0);
 602 }
 603
 604 // set the min/max size of the window
 605 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 606                                   int maxW, int maxH,
 607                                   int WXUNUSED(incW), int WXUNUSED(incH))
 608 {
 609     // setting min width greater than max width leads to infinite loops under
 610     // X11 and generally doesn't make any sense, so don't allow it
 611     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 612                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 613                  _T("min width/height must be less than max width/height!") );
 614
 615     m_minWidth = minW;
 616     m_maxWidth = maxW;
 617     m_minHeight = minH;
 618     m_maxHeight = maxH;
 619 }
 620
 621 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 622 {
 623     if ( m_windowVariant != variant )
 624     {
 625         m_windowVariant = variant;
 626
 627         DoSetWindowVariant(variant);
 628     }
 629 }
 630
 631 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 632 {
 633     // adjust the font height to correspond to our new variant (notice that
 634     // we're only called if something really changed)
 635     wxFont font = GetFont();
 636     int size = font.GetPointSize();
 637     switch ( variant )
 638     {
 639         case wxWINDOW_VARIANT_NORMAL:
 640             break;
 641
 642         case wxWINDOW_VARIANT_SMALL:
 643             size *= 3;
 644             size /= 4;
 645             break;
 646
 647         case wxWINDOW_VARIANT_MINI:
 648             size *= 2;
 649             size /= 3;
 650             break;
 651
 652         case wxWINDOW_VARIANT_LARGE:
 653             size *= 5;
 654             size /= 4;
 655             break;
 656
 657         default:
 658             wxFAIL_MSG(_T("unexpected window variant"));
 659             break;
 660     }
 661
 662     font.SetPointSize(size);
 663     SetFont(font);
 664 }
 665
 666 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 667                                         int maxW, int maxH )
 668 {
 669     m_minVirtualWidth = minW;
 670     m_maxVirtualWidth = maxW;
 671     m_minVirtualHeight = minH;
 672     m_maxVirtualHeight = maxH;
 673 }
 674
 675 void wxWindowBase::DoSetVirtualSize( int x, int y )
 676 {
 677     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 678         x = m_minVirtualWidth;
 679     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 680         x = m_maxVirtualWidth;
 681     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 682         y = m_minVirtualHeight;
 683     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 684         y = m_maxVirtualHeight;
 685
 686     m_virtualSize = wxSize(x, y);
 687 }
 688
 689 wxSize wxWindowBase::DoGetVirtualSize() const
 690 {
 691     // we should use the entire client area so if it is greater than our
 692     // virtual size, expand it to fit (otherwise if the window is big enough we
 693     // wouldn't be using parts of it)
 694     wxSize size = GetClientSize();
 695     if ( m_virtualSize.x > size.x )
 696         size.x = m_virtualSize.x;
 697
 698     if ( m_virtualSize.y >= size.y )
 699         size.y = m_virtualSize.y;
 700
 701     return size;
 702 }
 703
 704 void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
 705 {
 706     // screen position is the same as (0, 0) in client coords for non TLWs (and
 707     // TLWs override this method)
 708     if ( x )
 709         *x = 0;
 710     if ( y )
 711         *y = 0;
 712
 713     ClientToScreen(x, y);
 714 }
 715
 716 // ----------------------------------------------------------------------------
 717 // show/hide/enable/disable the window
 718 // ----------------------------------------------------------------------------
 719
 720 bool wxWindowBase::Show(bool show)
 721 {
 722     if ( show != m_isShown )
 723     {
 724         m_isShown = show;
 725
 726         return true;
 727     }
 728     else
 729     {
 730         return false;
 731     }
 732 }
 733
 734 bool wxWindowBase::Enable(bool enable)
 735 {
 736     if ( enable != m_isEnabled )
 737     {
 738         m_isEnabled = enable;
 739
 740         return true;
 741     }
 742     else
 743     {
 744         return false;
 745     }
 746 }
 747 // ----------------------------------------------------------------------------
 748 // RTTI
 749 // ----------------------------------------------------------------------------
 750
 751 bool wxWindowBase::IsTopLevel() const
 752 {
 753     return false;
 754 }
 755
 756 // ----------------------------------------------------------------------------
 757 // reparenting the window
 758 // ----------------------------------------------------------------------------
 759
 760 void wxWindowBase::AddChild(wxWindowBase *child)
 761 {
 762     wxCHECK_RET( child, wxT("can't add a NULL child") );
 763
 764     // this should never happen and it will lead to a crash later if it does
 765     // because RemoveChild() will remove only one node from the children list
 766     // and the other(s) one(s) will be left with dangling pointers in them
 767     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 768
 769     GetChildren().Append((wxWindow*)child);
 770     child->SetParent(this);
 771 }
 772
 773 void wxWindowBase::RemoveChild(wxWindowBase *child)
 774 {
 775     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 776
 777     GetChildren().DeleteObject((wxWindow *)child);
 778     child->SetParent(NULL);
 779 }
 780
 781 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 782 {
 783     wxWindow *oldParent = GetParent();
 784     if ( newParent == oldParent )
 785     {
 786         // nothing done
 787         return false;
 788     }
 789
 790     // unlink this window from the existing parent.
 791     if ( oldParent )
 792     {
 793         oldParent->RemoveChild(this);
 794     }
 795     else
 796     {
 797         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 798     }
 799
 800     // add it to the new one
 801     if ( newParent )
 802     {
 803         newParent->AddChild(this);
 804     }
 805     else
 806     {
 807         wxTopLevelWindows.Append((wxWindow *)this);
 808     }
 809
 810     return true;
 811 }
 812
 813 // ----------------------------------------------------------------------------
 814 // event handler stuff
 815 // ----------------------------------------------------------------------------
 816
 817 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 818 {
 819     wxEvtHandler *handlerOld = GetEventHandler();
 820
 821     handler->SetNextHandler(handlerOld);
 822
 823     if ( handlerOld )
 824         GetEventHandler()->SetPreviousHandler(handler);
 825
 826     SetEventHandler(handler);
 827 }
 828
 829 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 830 {
 831     wxEvtHandler *handlerA = GetEventHandler();
 832     if ( handlerA )
 833     {
 834         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 835         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 836
 837         if ( handlerB )
 838             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 839         SetEventHandler(handlerB);
 840
 841         if ( deleteHandler )
 842         {
 843             delete handlerA;
 844             handlerA = (wxEvtHandler *)NULL;
 845         }
 846     }
 847
 848     return handlerA;
 849 }
 850
 851 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 852 {
 853     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 854
 855     wxEvtHandler *handlerPrev = NULL,
 856                  *handlerCur = GetEventHandler();
 857     while ( handlerCur )
 858     {
 859         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 860
 861         if ( handlerCur == handler )
 862         {
 863             if ( handlerPrev )
 864             {
 865                 handlerPrev->SetNextHandler(handlerNext);
 866             }
 867             else
 868             {
 869                 SetEventHandler(handlerNext);
 870             }
 871
 872             if ( handlerNext )
 873             {
 874                 handlerNext->SetPreviousHandler ( handlerPrev );
 875             }
 876
 877             handler->SetNextHandler(NULL);
 878             handler->SetPreviousHandler(NULL);
 879
 880             return true;
 881         }
 882
 883         handlerPrev = handlerCur;
 884         handlerCur = handlerNext;
 885     }
 886
 887     wxFAIL_MSG( _T("where has the event handler gone?") );
 888
 889     return false;
 890 }
 891
 892 // ----------------------------------------------------------------------------
 893 // colours, fonts &c
 894 // ----------------------------------------------------------------------------
 895
 896 void wxWindowBase::InheritAttributes()
 897 {
 898     const wxWindowBase * const parent = GetParent();
 899     if ( !parent )
 900         return;
 901
 902     // we only inherit attributes which had been explicitly set for the parent
 903     // which ensures that this only happens if the user really wants it and
 904     // not by default which wouldn't make any sense in modern GUIs where the
 905     // controls don't all use the same fonts (nor colours)
 906     if ( parent->m_inheritFont && !m_hasFont )
 907         SetFont(parent->GetFont());
 908
 909     // in addition, there is a possibility to explicitly forbid inheriting
 910     // colours at each class level by overriding ShouldInheritColours()
 911     if ( ShouldInheritColours() )
 912     {
 913         if ( parent->m_inheritFgCol && !m_hasFgCol )
 914             SetForegroundColour(parent->GetForegroundColour());
 915
 916         // inheriting (solid) background colour is wrong as it totally breaks
 917         // any kind of themed backgrounds
 918         //
 919         // instead, the controls should use the same background as their parent
 920         // (ideally by not drawing it at all)
 921 #if 0
 922         if ( parent->m_inheritBgCol && !m_hasBgCol )
 923             SetBackgroundColour(parent->GetBackgroundColour());
 924 #endif // 0
 925     }
 926 }
 927
 928 /* static */ wxVisualAttributes
 929 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 930 {
 931     // it is important to return valid values for all attributes from here,
 932     // GetXXX() below rely on this
 933     wxVisualAttributes attrs;
 934     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 935     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
 936
 937     // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
 938     // the usual background colour than wxSYS_COLOUR_BTNFACE.
 939     // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
 940     // colour on other platforms.
 941
 942 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
 943     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 944 #else
 945     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 946 #endif
 947     return attrs;
 948 }
 949
 950 wxColour wxWindowBase::GetBackgroundColour() const
 951 {
 952     if ( !m_backgroundColour.Ok() )
 953     {
 954         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
 955
 956         // get our default background colour
 957         wxColour colBg = GetDefaultAttributes().colBg;
 958
 959         // we must return some valid colour to avoid redoing this every time
 960         // and also to avoid surprizing the applications written for older
 961         // wxWidgets versions where GetBackgroundColour() always returned
 962         // something -- so give them something even if it doesn't make sense
 963         // for this window (e.g. it has a themed background)
 964         if ( !colBg.Ok() )
 965             colBg = GetClassDefaultAttributes().colBg;
 966
 967         return colBg;
 968     }
 969     else
 970         return m_backgroundColour;
 971 }
 972
 973 wxColour wxWindowBase::GetForegroundColour() const
 974 {
 975     // logic is the same as above
 976     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
 977     {
 978         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
 979
 980         wxColour colFg = GetDefaultAttributes().colFg;
 981
 982         if ( !colFg.Ok() )
 983             colFg = GetClassDefaultAttributes().colFg;
 984
 985         return colFg;
 986     }
 987     else
 988         return m_foregroundColour;
 989 }
 990
 991 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
 992 {
 993     if ( colour == m_backgroundColour )
 994         return false;
 995
 996     m_hasBgCol = colour.Ok();
 997     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
 998         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
 999
1000     m_inheritBgCol = m_hasBgCol;
1001     m_backgroundColour = colour;
1002     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1003     return true;
1004 }
1005
1006 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1007 {
1008     if (colour == m_foregroundColour )
1009         return false;
1010
1011     m_hasFgCol = colour.Ok();
1012     m_inheritFgCol = m_hasFgCol;
1013     m_foregroundColour = colour;
1014     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1015     return true;
1016 }
1017
1018 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1019 {
1020     // setting an invalid cursor is ok, it means that we don't have any special
1021     // cursor
1022     if ( m_cursor == cursor )
1023     {
1024         // no change
1025         return false;
1026     }
1027
1028     m_cursor = cursor;
1029
1030     return true;
1031 }
1032
1033 wxFont wxWindowBase::GetFont() const
1034 {
1035     // logic is the same as in GetBackgroundColour()
1036     if ( !m_font.Ok() )
1037     {
1038         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1039
1040         wxFont font = GetDefaultAttributes().font;
1041         if ( !font.Ok() )
1042             font = GetClassDefaultAttributes().font;
1043
1044         return font;
1045     }
1046     else
1047         return m_font;
1048 }
1049
1050 bool wxWindowBase::SetFont(const wxFont& font)
1051 {
1052     if ( font == m_font )
1053     {
1054         // no change
1055         return false;
1056     }
1057
1058     m_font = font;
1059     m_hasFont = font.Ok();
1060     m_inheritFont = m_hasFont;
1061
1062     InvalidateBestSize();
1063
1064     return true;
1065 }
1066
1067 #if wxUSE_PALETTE
1068
1069 void wxWindowBase::SetPalette(const wxPalette& pal)
1070 {
1071     m_hasCustomPalette = true;
1072     m_palette = pal;
1073
1074     // VZ: can anyone explain me what do we do here?
1075     wxWindowDC d((wxWindow *) this);
1076     d.SetPalette(pal);
1077 }
1078
1079 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1080 {
1081     wxWindow *win = (wxWindow *)this;
1082     while ( win && !win->HasCustomPalette() )
1083     {
1084         win = win->GetParent();
1085     }
1086
1087     return win;
1088 }
1089
1090 #endif // wxUSE_PALETTE
1091
1092 #if wxUSE_CARET
1093 void wxWindowBase::SetCaret(wxCaret *caret)
1094 {
1095     if ( m_caret )
1096     {
1097         delete m_caret;
1098     }
1099
1100     m_caret = caret;
1101
1102     if ( m_caret )
1103     {
1104         wxASSERT_MSG( m_caret->GetWindow() == this,
1105                       wxT("caret should be created associated to this window") );
1106     }
1107 }
1108 #endif // wxUSE_CARET
1109
1110 #if wxUSE_VALIDATORS
1111 // ----------------------------------------------------------------------------
1112 // validators
1113 // ----------------------------------------------------------------------------
1114
1115 void wxWindowBase::SetValidator(const wxValidator& validator)
1116 {
1117     if ( m_windowValidator )
1118         delete m_windowValidator;
1119
1120     m_windowValidator = (wxValidator *)validator.Clone();
1121
1122     if ( m_windowValidator )
1123         m_windowValidator->SetWindow(this);
1124 }
1125 #endif // wxUSE_VALIDATORS
1126
1127 // ----------------------------------------------------------------------------
1128 // update region stuff
1129 // ----------------------------------------------------------------------------
1130
1131 wxRect wxWindowBase::GetUpdateClientRect() const
1132 {
1133     wxRegion rgnUpdate = GetUpdateRegion();
1134     rgnUpdate.Intersect(GetClientRect());
1135     wxRect rectUpdate = rgnUpdate.GetBox();
1136     wxPoint ptOrigin = GetClientAreaOrigin();
1137     rectUpdate.x -= ptOrigin.x;
1138     rectUpdate.y -= ptOrigin.y;
1139
1140     return rectUpdate;
1141 }
1142
1143 bool wxWindowBase::IsExposed(int x, int y) const
1144 {
1145     return m_updateRegion.Contains(x, y) != wxOutRegion;
1146 }
1147
1148 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1149 {
1150     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1151 }
1152
1153 void wxWindowBase::ClearBackground()
1154 {
1155     // wxGTK uses its own version, no need to add never used code
1156 #ifndef __WXGTK__
1157     wxClientDC dc((wxWindow *)this);
1158     wxBrush brush(GetBackgroundColour(), wxSOLID);
1159     dc.SetBackground(brush);
1160     dc.Clear();
1161 #endif // __WXGTK__
1162 }
1163
1164 // ----------------------------------------------------------------------------
1165 // find child window by id or name
1166 // ----------------------------------------------------------------------------
1167
1168 wxWindow *wxWindowBase::FindWindow(long id) const
1169 {
1170     if ( id == m_windowId )
1171         return (wxWindow *)this;
1172
1173     wxWindowBase *res = (wxWindow *)NULL;
1174     wxWindowList::compatibility_iterator node;
1175     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1176     {
1177         wxWindowBase *child = node->GetData();
1178         res = child->FindWindow( id );
1179     }
1180
1181     return (wxWindow *)res;
1182 }
1183
1184 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1185 {
1186     if ( name == m_windowName )
1187         return (wxWindow *)this;
1188
1189     wxWindowBase *res = (wxWindow *)NULL;
1190     wxWindowList::compatibility_iterator node;
1191     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1192     {
1193         wxWindow *child = node->GetData();
1194         res = child->FindWindow(name);
1195     }
1196
1197     return (wxWindow *)res;
1198 }
1199
1200
1201 // find any window by id or name or label: If parent is non-NULL, look through
1202 // children for a label or title matching the specified string. If NULL, look
1203 // through all top-level windows.
1204 //
1205 // to avoid duplicating code we reuse the same helper function but with
1206 // different comparators
1207
1208 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1209                                 const wxString& label, long id);
1210
1211 static
1212 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1213                            long WXUNUSED(id))
1214 {
1215     return win->GetLabel() == label;
1216 }
1217
1218 static
1219 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1220                           long WXUNUSED(id))
1221 {
1222     return win->GetName() == label;
1223 }
1224
1225 static
1226 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1227                         long id)
1228 {
1229     return win->GetId() == id;
1230 }
1231
1232 // recursive helper for the FindWindowByXXX() functions
1233 static
1234 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1235                                   const wxString& label,
1236                                   long id,
1237                                   wxFindWindowCmp cmp)
1238 {
1239     if ( parent )
1240     {
1241         // see if this is the one we're looking for
1242         if ( (*cmp)(parent, label, id) )
1243             return (wxWindow *)parent;
1244
1245         // It wasn't, so check all its children
1246         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1247               node;
1248               node = node->GetNext() )
1249         {
1250             // recursively check each child
1251             wxWindow *win = (wxWindow *)node->GetData();
1252             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1253             if (retwin)
1254                 return retwin;
1255         }
1256     }
1257
1258     // Not found
1259     return NULL;
1260 }
1261
1262 // helper for FindWindowByXXX()
1263 static
1264 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1265                              const wxString& label,
1266                              long id,
1267                              wxFindWindowCmp cmp)
1268 {
1269     if ( parent )
1270     {
1271         // just check parent and all its children
1272         return wxFindWindowRecursively(parent, label, id, cmp);
1273     }
1274
1275     // start at very top of wx's windows
1276     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1277           node;
1278           node = node->GetNext() )
1279     {
1280         // recursively check each window & its children
1281         wxWindow *win = node->GetData();
1282         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1283         if (retwin)
1284             return retwin;
1285     }
1286
1287     return NULL;
1288 }
1289
1290 /* static */
1291 wxWindow *
1292 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1293 {
1294     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1295 }
1296
1297 /* static */
1298 wxWindow *
1299 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1300 {
1301     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1302
1303     if ( !win )
1304     {
1305         // fall back to the label
1306         win = FindWindowByLabel(title, parent);
1307     }
1308
1309     return win;
1310 }
1311
1312 /* static */
1313 wxWindow *
1314 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1315 {
1316     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1317 }
1318
1319 // ----------------------------------------------------------------------------
1320 // dialog oriented functions
1321 // ----------------------------------------------------------------------------
1322
1323 void wxWindowBase::MakeModal(bool modal)
1324 {
1325     // Disable all other windows
1326     if ( IsTopLevel() )
1327     {
1328         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1329         while (node)
1330         {
1331             wxWindow *win = node->GetData();
1332             if (win != this)
1333                 win->Enable(!modal);
1334
1335             node = node->GetNext();
1336         }
1337     }
1338 }
1339
1340 bool wxWindowBase::Validate()
1341 {
1342 #if wxUSE_VALIDATORS
1343     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1344
1345     wxWindowList::compatibility_iterator node;
1346     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1347     {
1348         wxWindowBase *child = node->GetData();
1349         wxValidator *validator = child->GetValidator();
1350         if ( validator && !validator->Validate((wxWindow *)this) )
1351         {
1352             return false;
1353         }
1354
1355         if ( recurse && !child->Validate() )
1356         {
1357             return false;
1358         }
1359     }
1360 #endif // wxUSE_VALIDATORS
1361
1362     return true;
1363 }
1364
1365 bool wxWindowBase::TransferDataToWindow()
1366 {
1367 #if wxUSE_VALIDATORS
1368     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1369
1370     wxWindowList::compatibility_iterator node;
1371     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1372     {
1373         wxWindowBase *child = node->GetData();
1374         wxValidator *validator = child->GetValidator();
1375         if ( validator && !validator->TransferToWindow() )
1376         {
1377             wxLogWarning(_("Could not transfer data to window"));
1378 #if wxUSE_LOG
1379             wxLog::FlushActive();
1380 #endif // wxUSE_LOG
1381
1382             return false;
1383         }
1384
1385         if ( recurse )
1386         {
1387             if ( !child->TransferDataToWindow() )
1388             {
1389                 // warning already given
1390                 return false;
1391             }
1392         }
1393     }
1394 #endif // wxUSE_VALIDATORS
1395
1396     return true;
1397 }
1398
1399 bool wxWindowBase::TransferDataFromWindow()
1400 {
1401 #if wxUSE_VALIDATORS
1402     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1403
1404     wxWindowList::compatibility_iterator node;
1405     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1406     {
1407         wxWindow *child = node->GetData();
1408         wxValidator *validator = child->GetValidator();
1409         if ( validator && !validator->TransferFromWindow() )
1410         {
1411             // nop warning here because the application is supposed to give
1412             // one itself - we don't know here what might have gone wrongly
1413
1414             return false;
1415         }
1416
1417         if ( recurse )
1418         {
1419             if ( !child->TransferDataFromWindow() )
1420             {
1421                 // warning already given
1422                 return false;
1423             }
1424         }
1425     }
1426 #endif // wxUSE_VALIDATORS
1427
1428     return true;
1429 }
1430
1431 void wxWindowBase::InitDialog()
1432 {
1433     wxInitDialogEvent event(GetId());
1434     event.SetEventObject( this );
1435     GetEventHandler()->ProcessEvent(event);
1436 }
1437
1438 // ----------------------------------------------------------------------------
1439 // context-sensitive help support
1440 // ----------------------------------------------------------------------------
1441
1442 #if wxUSE_HELP
1443
1444 // associate this help text with this window
1445 void wxWindowBase::SetHelpText(const wxString& text)
1446 {
1447     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1448     if ( helpProvider )
1449     {
1450         helpProvider->AddHelp(this, text);
1451     }
1452 }
1453
1454 // associate this help text with all windows with the same id as this
1455 // one
1456 void wxWindowBase::SetHelpTextForId(const wxString& text)
1457 {
1458     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1459     if ( helpProvider )
1460     {
1461         helpProvider->AddHelp(GetId(), text);
1462     }
1463 }
1464
1465 // get the help string associated with this window (may be empty)
1466 // default implementation forwards calls to the help provider
1467 wxString
1468 wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt),
1469                                  wxHelpEvent::Origin WXUNUSED(origin)) const
1470 {
1471     wxString text;
1472     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1473     if ( helpProvider )
1474     {
1475         text = helpProvider->GetHelp(this);
1476     }
1477
1478     return text;
1479 }
1480
1481 // show help for this window
1482 void wxWindowBase::OnHelp(wxHelpEvent& event)
1483 {
1484     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1485     if ( helpProvider )
1486     {
1487         if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
1488         {
1489             // skip the event.Skip() below
1490             return;
1491         }
1492     }
1493
1494     event.Skip();
1495 }
1496
1497 #endif // wxUSE_HELP
1498
1499 // ----------------------------------------------------------------------------
1500 // tooltipsroot.Replace("\\", "/");
1501 // ----------------------------------------------------------------------------
1502
1503 #if wxUSE_TOOLTIPS
1504
1505 void wxWindowBase::SetToolTip( const wxString &tip )
1506 {
1507     // don't create the new tooltip if we already have one
1508     if ( m_tooltip )
1509     {
1510         m_tooltip->SetTip( tip );
1511     }
1512     else
1513     {
1514         SetToolTip( new wxToolTip( tip ) );
1515     }
1516
1517     // setting empty tooltip text does not remove the tooltip any more - use
1518     // SetToolTip((wxToolTip *)NULL) for this
1519 }
1520
1521 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1522 {
1523     if ( m_tooltip != tooltip )
1524     {
1525         if ( m_tooltip )
1526             delete m_tooltip;
1527
1528         m_tooltip = tooltip;
1529     }
1530 }
1531
1532 #endif // wxUSE_TOOLTIPS
1533
1534 // ----------------------------------------------------------------------------
1535 // constraints and sizers
1536 // ----------------------------------------------------------------------------
1537
1538 #if wxUSE_CONSTRAINTS
1539
1540 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1541 {
1542     if ( m_constraints )
1543     {
1544         UnsetConstraints(m_constraints);
1545         delete m_constraints;
1546     }
1547     m_constraints = constraints;
1548     if ( m_constraints )
1549     {
1550         // Make sure other windows know they're part of a 'meaningful relationship'
1551         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1552             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1553         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1554             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1555         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1556             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1557         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1558             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1559         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1560             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1561         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1562             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1563         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1564             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1565         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1566             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1567     }
1568 }
1569
1570 // This removes any dangling pointers to this window in other windows'
1571 // constraintsInvolvedIn lists.
1572 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1573 {
1574     if ( c )
1575     {
1576         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1577             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1578         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1579             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1580         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1581             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1582         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1583             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1584         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1585             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1586         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1587             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1588         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1589             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1590         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1591             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1592     }
1593 }
1594
1595 // Back-pointer to other windows we're involved with, so if we delete this
1596 // window, we must delete any constraints we're involved with.
1597 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1598 {
1599     if ( !m_constraintsInvolvedIn )
1600         m_constraintsInvolvedIn = new wxWindowList;
1601     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1602         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1603 }
1604
1605 // REMOVE back-pointer to other windows we're involved with.
1606 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1607 {
1608     if ( m_constraintsInvolvedIn )
1609         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1610 }
1611
1612 // Reset any constraints that mention this window
1613 void wxWindowBase::DeleteRelatedConstraints()
1614 {
1615     if ( m_constraintsInvolvedIn )
1616     {
1617         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1618         while (node)
1619         {
1620             wxWindow *win = node->GetData();
1621             wxLayoutConstraints *constr = win->GetConstraints();
1622
1623             // Reset any constraints involving this window
1624             if ( constr )
1625             {
1626                 constr->left.ResetIfWin(this);
1627                 constr->top.ResetIfWin(this);
1628                 constr->right.ResetIfWin(this);
1629                 constr->bottom.ResetIfWin(this);
1630                 constr->width.ResetIfWin(this);
1631                 constr->height.ResetIfWin(this);
1632                 constr->centreX.ResetIfWin(this);
1633                 constr->centreY.ResetIfWin(this);
1634             }
1635
1636             wxWindowList::compatibility_iterator next = node->GetNext();
1637             m_constraintsInvolvedIn->Erase(node);
1638             node = next;
1639         }
1640
1641         delete m_constraintsInvolvedIn;
1642         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1643     }
1644 }
1645
1646 #endif // wxUSE_CONSTRAINTS
1647
1648 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1649 {
1650     if ( sizer == m_windowSizer)
1651         return;
1652
1653     if ( m_windowSizer )
1654     {
1655         m_windowSizer->SetContainingWindow(NULL);
1656
1657         if ( deleteOld )
1658             delete m_windowSizer;
1659     }
1660
1661     m_windowSizer = sizer;
1662     if ( m_windowSizer )
1663     {
1664         m_windowSizer->SetContainingWindow((wxWindow *)this);
1665     }
1666
1667     SetAutoLayout(m_windowSizer != NULL);
1668 }
1669
1670 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1671 {
1672     SetSizer( sizer, deleteOld );
1673     sizer->SetSizeHints( (wxWindow*) this );
1674 }
1675
1676
1677 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1678 {
1679     // adding a window to a sizer twice is going to result in fatal and
1680     // hard to debug problems later because when deleting the second
1681     // associated wxSizerItem we're going to dereference a dangling
1682     // pointer; so try to detect this as early as possible
1683     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1684                   _T("Adding a window to the same sizer twice?") );
1685
1686     m_containingSizer = sizer;
1687 }
1688
1689 #if wxUSE_CONSTRAINTS
1690
1691 void wxWindowBase::SatisfyConstraints()
1692 {
1693     wxLayoutConstraints *constr = GetConstraints();
1694     bool wasOk = constr && constr->AreSatisfied();
1695
1696     ResetConstraints();   // Mark all constraints as unevaluated
1697
1698     int noChanges = 1;
1699
1700     // if we're a top level panel (i.e. our parent is frame/dialog), our
1701     // own constraints will never be satisfied any more unless we do it
1702     // here
1703     if ( wasOk )
1704     {
1705         while ( noChanges > 0 )
1706         {
1707             LayoutPhase1(&noChanges);
1708         }
1709     }
1710
1711     LayoutPhase2(&noChanges);
1712 }
1713
1714 #endif // wxUSE_CONSTRAINTS
1715
1716 bool wxWindowBase::Layout()
1717 {
1718     // If there is a sizer, use it instead of the constraints
1719     if ( GetSizer() )
1720     {
1721         int w = 0, h = 0;
1722         GetVirtualSize(&w, &h);
1723         GetSizer()->SetDimension( 0, 0, w, h );
1724     }
1725 #if wxUSE_CONSTRAINTS
1726     else
1727     {
1728         SatisfyConstraints(); // Find the right constraints values
1729         SetConstraintSizes(); // Recursively set the real window sizes
1730     }
1731 #endif
1732
1733     return true;
1734 }
1735
1736 #if wxUSE_CONSTRAINTS
1737
1738 // first phase of the constraints evaluation: set our own constraints
1739 bool wxWindowBase::LayoutPhase1(int *noChanges)
1740 {
1741     wxLayoutConstraints *constr = GetConstraints();
1742
1743     return !constr || constr->SatisfyConstraints(this, noChanges);
1744 }
1745
1746 // second phase: set the constraints for our children
1747 bool wxWindowBase::LayoutPhase2(int *noChanges)
1748 {
1749     *noChanges = 0;
1750
1751     // Layout children
1752     DoPhase(1);
1753
1754     // Layout grand children
1755     DoPhase(2);
1756
1757     return true;
1758 }
1759
1760 // Do a phase of evaluating child constraints
1761 bool wxWindowBase::DoPhase(int phase)
1762 {
1763     // the list containing the children for which the constraints are already
1764     // set correctly
1765     wxWindowList succeeded;
1766
1767     // the max number of iterations we loop before concluding that we can't set
1768     // the constraints
1769     static const int maxIterations = 500;
1770
1771     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1772     {
1773         int noChanges = 0;
1774
1775         // loop over all children setting their constraints
1776         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1777               node;
1778               node = node->GetNext() )
1779         {
1780             wxWindow *child = node->GetData();
1781             if ( child->IsTopLevel() )
1782             {
1783                 // top level children are not inside our client area
1784                 continue;
1785             }
1786
1787             if ( !child->GetConstraints() || succeeded.Find(child) )
1788             {
1789                 // this one is either already ok or nothing we can do about it
1790                 continue;
1791             }
1792
1793             int tempNoChanges = 0;
1794             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1795                                       : child->LayoutPhase2(&tempNoChanges);
1796             noChanges += tempNoChanges;
1797
1798             if ( success )
1799             {
1800                 succeeded.Append(child);
1801             }
1802         }
1803
1804         if ( !noChanges )
1805         {
1806             // constraints are set
1807             break;
1808         }
1809     }
1810
1811     return true;
1812 }
1813
1814 void wxWindowBase::ResetConstraints()
1815 {
1816     wxLayoutConstraints *constr = GetConstraints();
1817     if ( constr )
1818     {
1819         constr->left.SetDone(false);
1820         constr->top.SetDone(false);
1821         constr->right.SetDone(false);
1822         constr->bottom.SetDone(false);
1823         constr->width.SetDone(false);
1824         constr->height.SetDone(false);
1825         constr->centreX.SetDone(false);
1826         constr->centreY.SetDone(false);
1827     }
1828
1829     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1830     while (node)
1831     {
1832         wxWindow *win = node->GetData();
1833         if ( !win->IsTopLevel() )
1834             win->ResetConstraints();
1835         node = node->GetNext();
1836     }
1837 }
1838
1839 // Need to distinguish between setting the 'fake' size for windows and sizers,
1840 // and setting the real values.
1841 void wxWindowBase::SetConstraintSizes(bool recurse)
1842 {
1843     wxLayoutConstraints *constr = GetConstraints();
1844     if ( constr && constr->AreSatisfied() )
1845     {
1846         int x = constr->left.GetValue();
1847         int y = constr->top.GetValue();
1848         int w = constr->width.GetValue();
1849         int h = constr->height.GetValue();
1850
1851         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1852              (constr->height.GetRelationship() != wxAsIs) )
1853         {
1854             SetSize(x, y, w, h);
1855         }
1856         else
1857         {
1858             // If we don't want to resize this window, just move it...
1859             Move(x, y);
1860         }
1861     }
1862     else if ( constr )
1863     {
1864         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1865                    GetClassInfo()->GetClassName(),
1866                    GetName().c_str());
1867     }
1868
1869     if ( recurse )
1870     {
1871         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1872         while (node)
1873         {
1874             wxWindow *win = node->GetData();
1875             if ( !win->IsTopLevel() && win->GetConstraints() )
1876                 win->SetConstraintSizes();
1877             node = node->GetNext();
1878         }
1879     }
1880 }
1881
1882 // Only set the size/position of the constraint (if any)
1883 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1884 {
1885     wxLayoutConstraints *constr = GetConstraints();
1886     if ( constr )
1887     {
1888         if ( x != wxDefaultCoord )
1889         {
1890             constr->left.SetValue(x);
1891             constr->left.SetDone(true);
1892         }
1893         if ( y != wxDefaultCoord )
1894         {
1895             constr->top.SetValue(y);
1896             constr->top.SetDone(true);
1897         }
1898         if ( w != wxDefaultCoord )
1899         {
1900             constr->width.SetValue(w);
1901             constr->width.SetDone(true);
1902         }
1903         if ( h != wxDefaultCoord )
1904         {
1905             constr->height.SetValue(h);
1906             constr->height.SetDone(true);
1907         }
1908     }
1909 }
1910
1911 void wxWindowBase::MoveConstraint(int x, int y)
1912 {
1913     wxLayoutConstraints *constr = GetConstraints();
1914     if ( constr )
1915     {
1916         if ( x != wxDefaultCoord )
1917         {
1918             constr->left.SetValue(x);
1919             constr->left.SetDone(true);
1920         }
1921         if ( y != wxDefaultCoord )
1922         {
1923             constr->top.SetValue(y);
1924             constr->top.SetDone(true);
1925         }
1926     }
1927 }
1928
1929 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
1930 {
1931     wxLayoutConstraints *constr = GetConstraints();
1932     if ( constr )
1933     {
1934         *w = constr->width.GetValue();
1935         *h = constr->height.GetValue();
1936     }
1937     else
1938         GetSize(w, h);
1939 }
1940
1941 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
1942 {
1943     wxLayoutConstraints *constr = GetConstraints();
1944     if ( constr )
1945     {
1946         *w = constr->width.GetValue();
1947         *h = constr->height.GetValue();
1948     }
1949     else
1950         GetClientSize(w, h);
1951 }
1952
1953 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
1954 {
1955     wxLayoutConstraints *constr = GetConstraints();
1956     if ( constr )
1957     {
1958         *x = constr->left.GetValue();
1959         *y = constr->top.GetValue();
1960     }
1961     else
1962         GetPosition(x, y);
1963 }
1964
1965 #endif // wxUSE_CONSTRAINTS
1966
1967 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
1968 {
1969     // don't do it for the dialogs/frames - they float independently of their
1970     // parent
1971     if ( !IsTopLevel() )
1972     {
1973         wxWindow *parent = GetParent();
1974         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1975         {
1976             wxPoint pt(parent->GetClientAreaOrigin());
1977             x += pt.x;
1978             y += pt.y;
1979         }
1980     }
1981 }
1982
1983 // ----------------------------------------------------------------------------
1984 // do Update UI processing for child controls
1985 // ----------------------------------------------------------------------------
1986
1987 void wxWindowBase::UpdateWindowUI(long flags)
1988 {
1989     wxUpdateUIEvent event(GetId());
1990     event.SetEventObject(this);
1991
1992     if ( GetEventHandler()->ProcessEvent(event) )
1993     {
1994         DoUpdateWindowUI(event);
1995     }
1996
1997     if (flags & wxUPDATE_UI_RECURSE)
1998     {
1999         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2000         while (node)
2001         {
2002             wxWindow* child = (wxWindow*) node->GetData();
2003             child->UpdateWindowUI(flags);
2004             node = node->GetNext();
2005         }
2006     }
2007 }
2008
2009 // do the window-specific processing after processing the update event
2010 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2011 {
2012     if ( event.GetSetEnabled() )
2013         Enable(event.GetEnabled());
2014
2015     if ( event.GetSetShown() )
2016         Show(event.GetShown());
2017 }
2018
2019 #if 0
2020 // call internal idle recursively
2021 // may be obsolete (wait until OnIdle scheme stabilises)
2022 void wxWindowBase::ProcessInternalIdle()
2023 {
2024     OnInternalIdle();
2025
2026     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2027     while (node)
2028     {
2029         wxWindow *child = node->GetData();
2030         child->ProcessInternalIdle();
2031         node = node->GetNext();
2032     }
2033 }
2034 #endif
2035
2036 // ----------------------------------------------------------------------------
2037 // dialog units translations
2038 // ----------------------------------------------------------------------------
2039
2040 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2041 {
2042     int charWidth = GetCharWidth();
2043     int charHeight = GetCharHeight();
2044     wxPoint pt2 = wxDefaultPosition;
2045     if (pt.x != wxDefaultCoord)
2046         pt2.x = (int) ((pt.x * 4) / charWidth);
2047     if (pt.y != wxDefaultCoord)
2048         pt2.y = (int) ((pt.y * 8) / charHeight);
2049
2050     return pt2;
2051 }
2052
2053 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2054 {
2055     int charWidth = GetCharWidth();
2056     int charHeight = GetCharHeight();
2057     wxPoint pt2 = wxDefaultPosition;
2058     if (pt.x != wxDefaultCoord)
2059         pt2.x = (int) ((pt.x * charWidth) / 4);
2060     if (pt.y != wxDefaultCoord)
2061         pt2.y = (int) ((pt.y * charHeight) / 8);
2062
2063     return pt2;
2064 }
2065
2066 // ----------------------------------------------------------------------------
2067 // event handlers
2068 // ----------------------------------------------------------------------------
2069
2070 // propagate the colour change event to the subwindows
2071 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2072 {
2073     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2074     while ( node )
2075     {
2076         // Only propagate to non-top-level windows
2077         wxWindow *win = node->GetData();
2078         if ( !win->IsTopLevel() )
2079         {
2080             wxSysColourChangedEvent event2;
2081             event.SetEventObject(win);
2082             win->GetEventHandler()->ProcessEvent(event2);
2083         }
2084
2085         node = node->GetNext();
2086     }
2087
2088     Refresh();
2089 }
2090
2091 // the default action is to populate dialog with data when it's created,
2092 // and nudge the UI into displaying itself correctly in case
2093 // we've turned the wxUpdateUIEvents frequency down low.
2094 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2095 {
2096     TransferDataToWindow();
2097
2098     // Update the UI at this point
2099     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2100 }
2101
2102 // methods for drawing the sizers in a visible way
2103 #ifdef __WXDEBUG__
2104
2105 static void DrawSizers(wxWindowBase *win);
2106
2107 static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
2108 {
2109     wxClientDC dc((wxWindow *)win);
2110     dc.SetPen(*wxRED_PEN);
2111     dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
2112     dc.DrawRectangle(rect.Deflate(1, 1));
2113 }
2114
2115 static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
2116 {
2117     const wxSizerItemList& items = sizer->GetChildren();
2118     for ( wxSizerItemList::const_iterator i = items.begin(),
2119                                         end = items.end();
2120           i != end;
2121           ++i )
2122     {
2123         wxSizerItem *item = *i;
2124         if ( item->IsSizer() )
2125         {
2126             DrawBorder(win, item->GetRect().Deflate(2));
2127             DrawSizer(win, item->GetSizer());
2128         }
2129         else if ( item->IsSpacer() )
2130         {
2131             DrawBorder(win, item->GetRect().Deflate(2), true);
2132         }
2133         else if ( item->IsWindow() )
2134         {
2135             DrawSizers(item->GetWindow());
2136         }
2137     }
2138 }
2139
2140 static void DrawSizers(wxWindowBase *win)
2141 {
2142     wxSizer *sizer = win->GetSizer();
2143     if ( sizer )
2144     {
2145         DrawBorder(win, win->GetClientSize());
2146         DrawSizer(win, sizer);
2147     }
2148     else // no sizer, still recurse into the children
2149     {
2150         const wxWindowList& children = win->GetChildren();
2151         for ( wxWindowList::const_iterator i = children.begin(),
2152                                          end = children.end();
2153               i != end;
2154               ++i )
2155         {
2156             DrawSizers(*i);
2157         }
2158     }
2159 }
2160
2161 #endif // __WXDEBUG__
2162
2163 // process special middle clicks
2164 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2165 {
2166     if ( event.ControlDown() && event.AltDown() )
2167     {
2168 #ifdef __WXDEBUG__
2169         // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
2170         if ( event.ShiftDown() )
2171         {
2172             DrawSizers(this);
2173             return;
2174         }
2175 #endif // __WXDEBUG__
2176
2177 #if wxUSE_MSGDLG
2178         // don't translate these strings, they're for diagnostics purposes only
2179         wxString msg;
2180         msg.Printf(_T("wxWidgets Library (%s port)\n")
2181                    _T("Version %d.%d.%d%s%s, compiled at %s %s%s\n")
2182                    _T("Copyright (c) 1995-2006 wxWidgets team"),
2183                    wxPlatformInfo().GetPortIdName().c_str(),
2184                    wxMAJOR_VERSION,
2185                    wxMINOR_VERSION,
2186                    wxRELEASE_NUMBER,
2187 #if wxUSE_UNICODE
2188                    L" (Unicode)",
2189 #else
2190                    wxEmptyString,
2191 #endif
2192 #ifdef __WXDEBUG__
2193                    _T(" Debug build"),
2194 #else
2195                    wxEmptyString,
2196 #endif
2197                    __TDATE__,
2198                    __TTIME__,
2199 #ifdef __WXGTK__
2200                    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()
2201 #else
2202                    wxEmptyString
2203 #endif
2204                    );
2205
2206         wxMessageBox(msg, _T("wxWidgets information"),
2207                      wxICON_INFORMATION | wxOK,
2208                      (wxWindow *)this);
2209     }
2210     else
2211 #endif // wxUSE_MSGDLG
2212     {
2213         event.Skip();
2214     }
2215 }
2216
2217 // ----------------------------------------------------------------------------
2218 // accessibility
2219 // ----------------------------------------------------------------------------
2220
2221 #if wxUSE_ACCESSIBILITY
2222 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2223 {
2224     if (m_accessible && (accessible != m_accessible))
2225         delete m_accessible;
2226     m_accessible = accessible;
2227     if (m_accessible)
2228         m_accessible->SetWindow((wxWindow*) this);
2229 }
2230
2231 // Returns the accessible object, creating if necessary.
2232 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2233 {
2234     if (!m_accessible)
2235         m_accessible = CreateAccessible();
2236     return m_accessible;
2237 }
2238
2239 // Override to create a specific accessible object.
2240 wxAccessible* wxWindowBase::CreateAccessible()
2241 {
2242     return new wxWindowAccessible((wxWindow*) this);
2243 }
2244
2245 #endif
2246
2247 // ----------------------------------------------------------------------------
2248 // list classes implementation
2249 // ----------------------------------------------------------------------------
2250
2251 #if wxUSE_STL
2252
2253 #include "wx/listimpl.cpp"
2254 WX_DEFINE_LIST(wxWindowList)
2255
2256 #else
2257
2258 void wxWindowListNode::DeleteData()
2259 {
2260     delete (wxWindow *)GetData();
2261 }
2262
2263 #endif
2264
2265 // ----------------------------------------------------------------------------
2266 // borders
2267 // ----------------------------------------------------------------------------
2268
2269 wxBorder wxWindowBase::GetBorder(long flags) const
2270 {
2271     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2272     if ( border == wxBORDER_DEFAULT )
2273     {
2274         border = GetDefaultBorder();
2275     }
2276
2277     return border;
2278 }
2279
2280 wxBorder wxWindowBase::GetDefaultBorder() const
2281 {
2282     return wxBORDER_NONE;
2283 }
2284
2285 // ----------------------------------------------------------------------------
2286 // hit testing
2287 // ----------------------------------------------------------------------------
2288
2289 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2290 {
2291     // here we just check if the point is inside the window or not
2292
2293     // check the top and left border first
2294     bool outside = x < 0 || y < 0;
2295     if ( !outside )
2296     {
2297         // check the right and bottom borders too
2298         wxSize size = GetSize();
2299         outside = x >= size.x || y >= size.y;
2300     }
2301
2302     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2303 }
2304
2305 // ----------------------------------------------------------------------------
2306 // mouse capture
2307 // ----------------------------------------------------------------------------
2308
2309 struct WXDLLEXPORT wxWindowNext
2310 {
2311     wxWindow *win;
2312     wxWindowNext *next;
2313 } *wxWindowBase::ms_winCaptureNext = NULL;
2314 wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL;
2315 bool wxWindowBase::ms_winCaptureChanging = false;
2316
2317 void wxWindowBase::CaptureMouse()
2318 {
2319     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), wx_static_cast(void*, this));
2320
2321     wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") );
2322
2323     ms_winCaptureChanging = true;
2324
2325     wxWindow *winOld = GetCapture();
2326     if ( winOld )
2327     {
2328         ((wxWindowBase*) winOld)->DoReleaseMouse();
2329
2330         // save it on stack
2331         wxWindowNext *item = new wxWindowNext;
2332         item->win = winOld;
2333         item->next = ms_winCaptureNext;
2334         ms_winCaptureNext = item;
2335     }
2336     //else: no mouse capture to save
2337
2338     DoCaptureMouse();
2339     ms_winCaptureCurrent = (wxWindow*)this;
2340
2341     ms_winCaptureChanging = false;
2342 }
2343
2344 void wxWindowBase::ReleaseMouse()
2345 {
2346     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), wx_static_cast(void*, this));
2347
2348     wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") );
2349
2350     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2351
2352     ms_winCaptureChanging = true;
2353
2354     DoReleaseMouse();
2355     ms_winCaptureCurrent = NULL;
2356
2357     if ( ms_winCaptureNext )
2358     {
2359         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2360         ms_winCaptureCurrent = ms_winCaptureNext->win;
2361
2362         wxWindowNext *item = ms_winCaptureNext;
2363         ms_winCaptureNext = item->next;
2364         delete item;
2365     }
2366     //else: stack is empty, no previous capture
2367
2368     ms_winCaptureChanging = false;
2369
2370     wxLogTrace(_T("mousecapture"),
2371         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2372         wx_static_cast(void*, GetCapture()));
2373 }
2374
2375 static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
2376 {
2377     wxMouseCaptureLostEvent event(win->GetId());
2378     event.SetEventObject(win);
2379     if ( !win->GetEventHandler()->ProcessEvent(event) )
2380     {
2381         wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") );
2382     }
2383 }
2384
2385 /* static */
2386 void wxWindowBase::NotifyCaptureLost()
2387 {
2388     // don't do anything if capture lost was expected, i.e. resulted from
2389     // a wx call to ReleaseMouse or CaptureMouse:
2390     if ( ms_winCaptureChanging )
2391         return;
2392
2393     // if the capture was lost unexpectedly, notify every window that has
2394     // capture (on stack or current) about it and clear the stack:
2395
2396     if ( ms_winCaptureCurrent )
2397     {
2398         DoNotifyWindowAboutCaptureLost(ms_winCaptureCurrent);
2399         ms_winCaptureCurrent = NULL;
2400     }
2401
2402     while ( ms_winCaptureNext )
2403     {
2404         wxWindowNext *item = ms_winCaptureNext;
2405         ms_winCaptureNext = item->next;
2406
2407         DoNotifyWindowAboutCaptureLost(item->win);
2408
2409         delete item;
2410     }
2411 }
2412
2413 #if wxUSE_HOTKEY
2414
2415 bool
2416 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2417                              int WXUNUSED(modifiers),
2418                              int WXUNUSED(keycode))
2419 {
2420     // not implemented
2421     return false;
2422 }
2423
2424 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2425 {
2426     // not implemented
2427     return false;
2428 }
2429
2430 #endif // wxUSE_HOTKEY
2431
2432 void wxWindowBase::SendDestroyEvent()
2433 {
2434     wxWindowDestroyEvent event;
2435     event.SetEventObject(this);
2436     event.SetId(GetId());
2437     GetEventHandler()->ProcessEvent(event);
2438 }
2439
2440 // ----------------------------------------------------------------------------
2441 // event processing
2442 // ----------------------------------------------------------------------------
2443
2444 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2445 {
2446 #if wxUSE_VALIDATORS
2447     // Can only use the validator of the window which
2448     // is receiving the event
2449     if ( event.GetEventObject() == this )
2450     {
2451         wxValidator *validator = GetValidator();
2452         if ( validator && validator->ProcessEvent(event) )
2453         {
2454             return true;
2455         }
2456     }
2457 #endif // wxUSE_VALIDATORS
2458
2459     return false;
2460 }
2461
2462 bool wxWindowBase::TryParent(wxEvent& event)
2463 {
2464     // carry on up the parent-child hierarchy if the propagation count hasn't
2465     // reached zero yet
2466     if ( event.ShouldPropagate() )
2467     {
2468         // honour the requests to stop propagation at this window: this is
2469         // used by the dialogs, for example, to prevent processing the events
2470         // from the dialog controls in the parent frame which rarely, if ever,
2471         // makes sense
2472         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2473         {
2474             wxWindow *parent = GetParent();
2475             if ( parent && !parent->IsBeingDeleted() )
2476             {
2477                 wxPropagateOnce propagateOnce(event);
2478
2479                 return parent->GetEventHandler()->ProcessEvent(event);
2480             }
2481         }
2482     }
2483
2484     return wxEvtHandler::TryParent(event);
2485 }
2486
2487 // ----------------------------------------------------------------------------
2488 // keyboard navigation
2489 // ----------------------------------------------------------------------------
2490
2491 // Navigates in the specified direction.
2492 bool wxWindowBase::Navigate(int flags)
2493 {
2494     wxNavigationKeyEvent eventNav;
2495     eventNav.SetFlags(flags);
2496     eventNav.SetEventObject(this);
2497     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2498     {
2499         return true;
2500     }
2501     return false;
2502 }
2503
2504 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2505 {
2506     // check that we're not a top level window
2507     wxCHECK_RET( GetParent(),
2508                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2509
2510     // detect the special case when we have nothing to do anyhow and when the
2511     // code below wouldn't work
2512     if ( win == this )
2513         return;
2514
2515     // find the target window in the siblings list
2516     wxWindowList& siblings = GetParent()->GetChildren();
2517     wxWindowList::compatibility_iterator i = siblings.Find(win);
2518     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2519
2520     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2521     // can't just move the node around
2522     wxWindow *self = (wxWindow *)this;
2523     siblings.DeleteObject(self);
2524     if ( move == MoveAfter )
2525     {
2526         i = i->GetNext();
2527     }
2528
2529     if ( i )
2530     {
2531         siblings.Insert(i, self);
2532     }
2533     else // MoveAfter and win was the last sibling
2534     {
2535         siblings.Append(self);
2536     }
2537 }
2538
2539 // ----------------------------------------------------------------------------
2540 // focus handling
2541 // ----------------------------------------------------------------------------
2542
2543 /*static*/ wxWindow* wxWindowBase::FindFocus()
2544 {
2545     wxWindowBase *win = DoFindFocus();
2546     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2547 }
2548
2549 // ----------------------------------------------------------------------------
2550 // global functions
2551 // ----------------------------------------------------------------------------
2552
2553 wxWindow* wxGetTopLevelParent(wxWindow *win)
2554 {
2555     while ( win && !win->IsTopLevel() )
2556          win = win->GetParent();
2557
2558     return win;
2559 }
2560
2561 #if wxUSE_ACCESSIBILITY
2562 // ----------------------------------------------------------------------------
2563 // accessible object for windows
2564 // ----------------------------------------------------------------------------
2565
2566 // Can return either a child object, or an integer
2567 // representing the child element, starting from 1.
2568 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2569 {
2570     wxASSERT( GetWindow() != NULL );
2571     if (!GetWindow())
2572         return wxACC_FAIL;
2573
2574     return wxACC_NOT_IMPLEMENTED;
2575 }
2576
2577 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2578 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2579 {
2580     wxASSERT( GetWindow() != NULL );
2581     if (!GetWindow())
2582         return wxACC_FAIL;
2583
2584     wxWindow* win = NULL;
2585     if (elementId == 0)
2586     {
2587         win = GetWindow();
2588     }
2589     else
2590     {
2591         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2592         {
2593             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2594         }
2595         else
2596             return wxACC_FAIL;
2597     }
2598     if (win)
2599     {
2600         rect = win->GetRect();
2601         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2602             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2603         return wxACC_OK;
2604     }
2605
2606     return wxACC_NOT_IMPLEMENTED;
2607 }
2608
2609 // Navigates from fromId to toId/toObject.
2610 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2611                              int* WXUNUSED(toId), wxAccessible** toObject)
2612 {
2613     wxASSERT( GetWindow() != NULL );
2614     if (!GetWindow())
2615         return wxACC_FAIL;
2616
2617     switch (navDir)
2618     {
2619     case wxNAVDIR_FIRSTCHILD:
2620         {
2621             if (GetWindow()->GetChildren().GetCount() == 0)
2622                 return wxACC_FALSE;
2623             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2624             *toObject = childWindow->GetOrCreateAccessible();
2625
2626             return wxACC_OK;
2627         }
2628     case wxNAVDIR_LASTCHILD:
2629         {
2630             if (GetWindow()->GetChildren().GetCount() == 0)
2631                 return wxACC_FALSE;
2632             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2633             *toObject = childWindow->GetOrCreateAccessible();
2634
2635             return wxACC_OK;
2636         }
2637     case wxNAVDIR_RIGHT:
2638     case wxNAVDIR_DOWN:
2639     case wxNAVDIR_NEXT:
2640         {
2641             wxWindowList::compatibility_iterator node =
2642                 wxWindowList::compatibility_iterator();
2643             if (fromId == 0)
2644             {
2645                 // Can't navigate to sibling of this window
2646                 // if we're a top-level window.
2647                 if (!GetWindow()->GetParent())
2648                     return wxACC_NOT_IMPLEMENTED;
2649
2650                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2651             }
2652             else
2653             {
2654                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2655                     node = GetWindow()->GetChildren().Item(fromId-1);
2656             }
2657
2658             if (node && node->GetNext())
2659             {
2660                 wxWindow* nextWindow = node->GetNext()->GetData();
2661                 *toObject = nextWindow->GetOrCreateAccessible();
2662                 return wxACC_OK;
2663             }
2664             else
2665                 return wxACC_FALSE;
2666         }
2667     case wxNAVDIR_LEFT:
2668     case wxNAVDIR_UP:
2669     case wxNAVDIR_PREVIOUS:
2670         {
2671             wxWindowList::compatibility_iterator node =
2672                 wxWindowList::compatibility_iterator();
2673             if (fromId == 0)
2674             {
2675                 // Can't navigate to sibling of this window
2676                 // if we're a top-level window.
2677                 if (!GetWindow()->GetParent())
2678                     return wxACC_NOT_IMPLEMENTED;
2679
2680                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2681             }
2682             else
2683             {
2684                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2685                     node = GetWindow()->GetChildren().Item(fromId-1);
2686             }
2687
2688             if (node && node->GetPrevious())
2689             {
2690                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2691                 *toObject = previousWindow->GetOrCreateAccessible();
2692                 return wxACC_OK;
2693             }
2694             else
2695                 return wxACC_FALSE;
2696         }
2697     }
2698
2699     return wxACC_NOT_IMPLEMENTED;
2700 }
2701
2702 // Gets the name of the specified object.
2703 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2704 {
2705     wxASSERT( GetWindow() != NULL );
2706     if (!GetWindow())
2707         return wxACC_FAIL;
2708
2709     wxString title;
2710
2711     // If a child, leave wxWidgets to call the function on the actual
2712     // child object.
2713     if (childId > 0)
2714         return wxACC_NOT_IMPLEMENTED;
2715
2716     // This will eventually be replaced by specialised
2717     // accessible classes, one for each kind of wxWidgets
2718     // control or window.
2719 #if wxUSE_BUTTON
2720     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2721         title = ((wxButton*) GetWindow())->GetLabel();
2722     else
2723 #endif
2724         title = GetWindow()->GetName();
2725
2726     if (!title.empty())
2727     {
2728         *name = title;
2729         return wxACC_OK;
2730     }
2731     else
2732         return wxACC_NOT_IMPLEMENTED;
2733 }
2734
2735 // Gets the number of children.
2736 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2737 {
2738     wxASSERT( GetWindow() != NULL );
2739     if (!GetWindow())
2740         return wxACC_FAIL;
2741
2742     *childId = (int) GetWindow()->GetChildren().GetCount();
2743     return wxACC_OK;
2744 }
2745
2746 // Gets the specified child (starting from 1).
2747 // If *child is NULL and return value is wxACC_OK,
2748 // this means that the child is a simple element and
2749 // not an accessible object.
2750 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2751 {
2752     wxASSERT( GetWindow() != NULL );
2753     if (!GetWindow())
2754         return wxACC_FAIL;
2755
2756     if (childId == 0)
2757     {
2758         *child = this;
2759         return wxACC_OK;
2760     }
2761
2762     if (childId > (int) GetWindow()->GetChildren().GetCount())
2763         return wxACC_FAIL;
2764
2765     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2766     *child = childWindow->GetOrCreateAccessible();
2767     if (*child)
2768         return wxACC_OK;
2769     else
2770         return wxACC_FAIL;
2771 }
2772
2773 // Gets the parent, or NULL.
2774 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2775 {
2776     wxASSERT( GetWindow() != NULL );
2777     if (!GetWindow())
2778         return wxACC_FAIL;
2779
2780     wxWindow* parentWindow = GetWindow()->GetParent();
2781     if (!parentWindow)
2782     {
2783         *parent = NULL;
2784         return wxACC_OK;
2785     }
2786     else
2787     {
2788         *parent = parentWindow->GetOrCreateAccessible();
2789         if (*parent)
2790             return wxACC_OK;
2791         else
2792             return wxACC_FAIL;
2793     }
2794 }
2795
2796 // Performs the default action. childId is 0 (the action for this object)
2797 // or > 0 (the action for a child).
2798 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2799 // window (e.g. an edit control).
2800 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2801 {
2802     wxASSERT( GetWindow() != NULL );
2803     if (!GetWindow())
2804         return wxACC_FAIL;
2805
2806     return wxACC_NOT_IMPLEMENTED;
2807 }
2808
2809 // Gets the default action for this object (0) or > 0 (the action for a child).
2810 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2811 // string if there is no action.
2812 // The retrieved string describes the action that is performed on an object,
2813 // not what the object does as a result. For example, a toolbar button that prints
2814 // a document has a default action of "Press" rather than "Prints the current document."
2815 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2816 {
2817     wxASSERT( GetWindow() != NULL );
2818     if (!GetWindow())
2819         return wxACC_FAIL;
2820
2821     return wxACC_NOT_IMPLEMENTED;
2822 }
2823
2824 // Returns the description for this object or a child.
2825 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2826 {
2827     wxASSERT( GetWindow() != NULL );
2828     if (!GetWindow())
2829         return wxACC_FAIL;
2830
2831     wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2832     if (!ht.empty())
2833     {
2834         *description = ht;
2835         return wxACC_OK;
2836     }
2837     return wxACC_NOT_IMPLEMENTED;
2838 }
2839
2840 // Returns help text for this object or a child, similar to tooltip text.
2841 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2842 {
2843     wxASSERT( GetWindow() != NULL );
2844     if (!GetWindow())
2845         return wxACC_FAIL;
2846
2847     wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2848     if (!ht.empty())
2849     {
2850         *helpText = ht;
2851         return wxACC_OK;
2852     }
2853     return wxACC_NOT_IMPLEMENTED;
2854 }
2855
2856 // Returns the keyboard shortcut for this object or child.
2857 // Return e.g. ALT+K
2858 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2859 {
2860     wxASSERT( GetWindow() != NULL );
2861     if (!GetWindow())
2862         return wxACC_FAIL;
2863
2864     return wxACC_NOT_IMPLEMENTED;
2865 }
2866
2867 // Returns a role constant.
2868 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2869 {
2870     wxASSERT( GetWindow() != NULL );
2871     if (!GetWindow())
2872         return wxACC_FAIL;
2873
2874     // If a child, leave wxWidgets to call the function on the actual
2875     // child object.
2876     if (childId > 0)
2877         return wxACC_NOT_IMPLEMENTED;
2878
2879     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2880         return wxACC_NOT_IMPLEMENTED;
2881 #if wxUSE_STATUSBAR
2882     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2883         return wxACC_NOT_IMPLEMENTED;
2884 #endif
2885 #if wxUSE_TOOLBAR
2886     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2887         return wxACC_NOT_IMPLEMENTED;
2888 #endif
2889
2890     //*role = wxROLE_SYSTEM_CLIENT;
2891     *role = wxROLE_SYSTEM_CLIENT;
2892     return wxACC_OK;
2893
2894     #if 0
2895     return wxACC_NOT_IMPLEMENTED;
2896     #endif
2897 }
2898
2899 // Returns a state constant.
2900 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2901 {
2902     wxASSERT( GetWindow() != NULL );
2903     if (!GetWindow())
2904         return wxACC_FAIL;
2905
2906     // If a child, leave wxWidgets to call the function on the actual
2907     // child object.
2908     if (childId > 0)
2909         return wxACC_NOT_IMPLEMENTED;
2910
2911     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2912         return wxACC_NOT_IMPLEMENTED;
2913
2914 #if wxUSE_STATUSBAR
2915     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2916         return wxACC_NOT_IMPLEMENTED;
2917 #endif
2918 #if wxUSE_TOOLBAR
2919     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2920         return wxACC_NOT_IMPLEMENTED;
2921 #endif
2922
2923     *state = 0;
2924     return wxACC_OK;
2925
2926     #if 0
2927     return wxACC_NOT_IMPLEMENTED;
2928     #endif
2929 }
2930
2931 // Returns a localized string representing the value for the object
2932 // or child.
2933 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2934 {
2935     wxASSERT( GetWindow() != NULL );
2936     if (!GetWindow())
2937         return wxACC_FAIL;
2938
2939     return wxACC_NOT_IMPLEMENTED;
2940 }
2941
2942 // Selects the object or child.
2943 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2944 {
2945     wxASSERT( GetWindow() != NULL );
2946     if (!GetWindow())
2947         return wxACC_FAIL;
2948
2949     return wxACC_NOT_IMPLEMENTED;
2950 }
2951
2952 // Gets the window with the keyboard focus.
2953 // If childId is 0 and child is NULL, no object in
2954 // this subhierarchy has the focus.
2955 // If this object has the focus, child should be 'this'.
2956 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2957 {
2958     wxASSERT( GetWindow() != NULL );
2959     if (!GetWindow())
2960         return wxACC_FAIL;
2961
2962     return wxACC_NOT_IMPLEMENTED;
2963 }
2964
2965 // Gets a variant representing the selected children
2966 // of this object.
2967 // Acceptable values:
2968 // - a null variant (IsNull() returns true)
2969 // - a list variant (GetType() == wxT("list")
2970 // - an integer representing the selected child element,
2971 //   or 0 if this object is selected (GetType() == wxT("long")
2972 // - a "void*" pointer to a wxAccessible child object
2973 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
2974 {
2975     wxASSERT( GetWindow() != NULL );
2976     if (!GetWindow())
2977         return wxACC_FAIL;
2978
2979     return wxACC_NOT_IMPLEMENTED;
2980 }
2981
2982 #endif // wxUSE_ACCESSIBILITY