src/common/wincmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/window.cpp
   3 // Purpose:     common (to all ports) wxWindow functions
   4 // Author:      Julian Smart, Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/string.h"
  29     #include "wx/log.h"
  30     #include "wx/intl.h"
  31     #include "wx/frame.h"
  32     #include "wx/defs.h"
  33     #include "wx/window.h"
  34     #include "wx/control.h"
  35     #include "wx/checkbox.h"
  36     #include "wx/radiobut.h"
  37     #include "wx/statbox.h"
  38     #include "wx/textctrl.h"
  39     #include "wx/settings.h"
  40     #include "wx/dialog.h"
  41     #include "wx/msgdlg.h"
  42     #include "wx/statusbr.h"
  43     #include "wx/toolbar.h"
  44     #include "wx/dcclient.h"
  45 #endif //WX_PRECOMP
  46
  47 #if defined(__WXMAC__) && wxUSE_SCROLLBAR
  48     #include "wx/scrolbar.h"
  49 #endif
  50
  51 #if wxUSE_CONSTRAINTS
  52     #include "wx/layout.h"
  53 #endif // wxUSE_CONSTRAINTS
  54
  55 #include "wx/sizer.h"
  56
  57 #if wxUSE_DRAG_AND_DROP
  58     #include "wx/dnd.h"
  59 #endif // wxUSE_DRAG_AND_DROP
  60
  61 #if wxUSE_ACCESSIBILITY
  62     #include "wx/access.h"
  63 #endif
  64
  65 #if wxUSE_HELP
  66     #include "wx/cshelp.h"
  67 #endif // wxUSE_HELP
  68
  69 #if wxUSE_TOOLTIPS
  70     #include "wx/tooltip.h"
  71 #endif // wxUSE_TOOLTIPS
  72
  73 #if wxUSE_CARET
  74     #include "wx/caret.h"
  75 #endif // wxUSE_CARET
  76
  77 #if wxUSE_SYSTEM_OPTIONS
  78     #include "wx/sysopt.h"
  79 #endif
  80
  81 // For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
  82 // The gtk includes don't pull any other headers in, at least not on my system - MR
  83 #ifdef __WXGTK__
  84     #ifdef __WXGTK20__
  85         #include <gtk/gtkversion.h>
  86     #else
  87         #include <gtk/gtkfeatures.h>
  88     #endif
  89     extern const unsigned int gtk_major_version;
  90     extern const unsigned int gtk_minor_version;
  91     extern const unsigned int gtk_micro_version;
  92 #endif
  93
  94 // ----------------------------------------------------------------------------
  95 // static data
  96 // ----------------------------------------------------------------------------
  97
  98 #if defined(__WXPALMOS__)
  99 int wxWindowBase::ms_lastControlId = 32767;
 100 #elif defined(__WXPM__)
 101 int wxWindowBase::ms_lastControlId = 2000;
 102 #else
 103 int wxWindowBase::ms_lastControlId = -200;
 104 #endif
 105
 106 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 107
 108 // ----------------------------------------------------------------------------
 109 // event table
 110 // ----------------------------------------------------------------------------
 111
 112 BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
 113     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
 114     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
 115     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
 116
 117 #if wxUSE_HELP
 118     EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
 119 #endif // wxUSE_HELP
 120
 121 END_EVENT_TABLE()
 122
 123 // ============================================================================
 124 // implementation of the common functionality of the wxWindow class
 125 // ============================================================================
 126
 127 // ----------------------------------------------------------------------------
 128 // initialization
 129 // ----------------------------------------------------------------------------
 130
 131 // the default initialization
 132 wxWindowBase::wxWindowBase()
 133 {
 134     // no window yet, no parent nor children
 135     m_parent = (wxWindow *)NULL;
 136     m_windowId = wxID_ANY;
 137
 138     // no constraints on the minimal window size
 139     m_minWidth =
 140     m_maxWidth = wxDefaultCoord;
 141     m_minHeight =
 142     m_maxHeight = wxDefaultCoord;
 143
 144     // invalidiated cache value
 145     m_bestSizeCache = wxDefaultSize;
 146
 147     // window are created enabled and visible by default
 148     m_isShown =
 149     m_isEnabled = true;
 150
 151     // the default event handler is just this window
 152     m_eventHandler = this;
 153
 154 #if wxUSE_VALIDATORS
 155     // no validator
 156     m_windowValidator = (wxValidator *) NULL;
 157 #endif // wxUSE_VALIDATORS
 158
 159     // the colours/fonts are default for now, so leave m_font,
 160     // m_backgroundColour and m_foregroundColour uninitialized and set those
 161     m_hasBgCol =
 162     m_hasFgCol =
 163     m_hasFont = false;
 164     m_inheritBgCol =
 165     m_inheritFgCol =
 166     m_inheritFont = false;
 167
 168     // no style bits
 169     m_exStyle =
 170     m_windowStyle = 0;
 171
 172     m_backgroundStyle = wxBG_STYLE_SYSTEM;
 173
 174 #if wxUSE_CONSTRAINTS
 175     // no constraints whatsoever
 176     m_constraints = (wxLayoutConstraints *) NULL;
 177     m_constraintsInvolvedIn = (wxWindowList *) NULL;
 178 #endif // wxUSE_CONSTRAINTS
 179
 180     m_windowSizer = (wxSizer *) NULL;
 181     m_containingSizer = (wxSizer *) NULL;
 182     m_autoLayout = false;
 183
 184 #if wxUSE_DRAG_AND_DROP
 185     m_dropTarget = (wxDropTarget *)NULL;
 186 #endif // wxUSE_DRAG_AND_DROP
 187
 188 #if wxUSE_TOOLTIPS
 189     m_tooltip = (wxToolTip *)NULL;
 190 #endif // wxUSE_TOOLTIPS
 191
 192 #if wxUSE_CARET
 193     m_caret = (wxCaret *)NULL;
 194 #endif // wxUSE_CARET
 195
 196 #if wxUSE_PALETTE
 197     m_hasCustomPalette = false;
 198 #endif // wxUSE_PALETTE
 199
 200 #if wxUSE_ACCESSIBILITY
 201     m_accessible = NULL;
 202 #endif
 203
 204     m_virtualSize = wxDefaultSize;
 205
 206     m_minVirtualWidth =
 207     m_maxVirtualWidth = wxDefaultCoord;
 208     m_minVirtualHeight =
 209     m_maxVirtualHeight = wxDefaultCoord;
 210
 211     m_windowVariant = wxWINDOW_VARIANT_NORMAL;
 212 #if wxUSE_SYSTEM_OPTIONS
 213     if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
 214     {
 215        m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
 216     }
 217 #endif
 218
 219     // Whether we're using the current theme for this window (wxGTK only for now)
 220     m_themeEnabled = false;
 221
 222     // VZ: this one shouldn't exist...
 223     m_isBeingDeleted = false;
 224
 225     // Reserved for future use
 226     m_windowReserved = NULL;
 227 }
 228
 229 // common part of window creation process
 230 bool wxWindowBase::CreateBase(wxWindowBase *parent,
 231                               wxWindowID id,
 232                               const wxPoint& WXUNUSED(pos),
 233                               const wxSize& WXUNUSED(size),
 234                               long style,
 235                               const wxValidator& wxVALIDATOR_PARAM(validator),
 236                               const wxString& name)
 237 {
 238 #if wxUSE_STATBOX
 239     // wxGTK doesn't allow to create controls with static box as the parent so
 240     // this will result in a crash when the program is ported to wxGTK so warn
 241     // the user about it
 242
 243     // if you get this assert, the correct solution is to create the controls
 244     // as siblings of the static box
 245     wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
 246                   _T("wxStaticBox can't be used as a window parent!") );
 247 #endif // wxUSE_STATBOX
 248
 249     // ids are limited to 16 bits under MSW so if you care about portability,
 250     // it's not a good idea to use ids out of this range (and negative ids are
 251     // reserved for wxWidgets own usage)
 252     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
 253                   _T("invalid id value") );
 254
 255     // generate a new id if the user doesn't care about it
 256     m_windowId = id == wxID_ANY ? NewControlId() : id;
 257
 258     SetName(name);
 259     SetWindowStyleFlag(style);
 260     SetParent(parent);
 261
 262 #if wxUSE_VALIDATORS
 263     SetValidator(validator);
 264 #endif // wxUSE_VALIDATORS
 265
 266     // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
 267     // have it too - like this it's possible to set it only in the top level
 268     // dialog/frame and all children will inherit it by defult
 269     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
 270     {
 271         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
 272     }
 273
 274     return true;
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // destruction
 279 // ----------------------------------------------------------------------------
 280
 281 // common clean up
 282 wxWindowBase::~wxWindowBase()
 283 {
 284     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 285
 286     // FIXME if these 2 cases result from programming errors in the user code
 287     //       we should probably assert here instead of silently fixing them
 288
 289     // Just in case the window has been Closed, but we're then deleting
 290     // immediately: don't leave dangling pointers.
 291     wxPendingDelete.DeleteObject(this);
 292
 293     // Just in case we've loaded a top-level window via LoadNativeDialog but
 294     // we weren't a dialog class
 295     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 296
 297     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 298
 299     // reset the dangling pointer our parent window may keep to us
 300     if ( m_parent )
 301     {
 302         if ( m_parent->GetDefaultItem() == this )
 303         {
 304             m_parent->SetDefaultItem(NULL);
 305         }
 306
 307         m_parent->RemoveChild(this);
 308     }
 309
 310 #if wxUSE_CARET
 311     delete m_caret;
 312 #endif // wxUSE_CARET
 313
 314 #if wxUSE_VALIDATORS
 315     delete m_windowValidator;
 316 #endif // wxUSE_VALIDATORS
 317
 318 #if wxUSE_CONSTRAINTS
 319     // Have to delete constraints/sizer FIRST otherwise sizers may try to look
 320     // at deleted windows as they delete themselves.
 321     DeleteRelatedConstraints();
 322
 323     if ( m_constraints )
 324     {
 325         // This removes any dangling pointers to this window in other windows'
 326         // constraintsInvolvedIn lists.
 327         UnsetConstraints(m_constraints);
 328         delete m_constraints;
 329         m_constraints = NULL;
 330     }
 331 #endif // wxUSE_CONSTRAINTS
 332
 333     if ( m_containingSizer )
 334         m_containingSizer->Detach( (wxWindow*)this );
 335
 336     delete m_windowSizer;
 337
 338 #if wxUSE_DRAG_AND_DROP
 339     delete m_dropTarget;
 340 #endif // wxUSE_DRAG_AND_DROP
 341
 342 #if wxUSE_TOOLTIPS
 343     delete m_tooltip;
 344 #endif // wxUSE_TOOLTIPS
 345
 346 #if wxUSE_ACCESSIBILITY
 347     delete m_accessible;
 348 #endif
 349 }
 350
 351 bool wxWindowBase::Destroy()
 352 {
 353     delete this;
 354
 355     return true;
 356 }
 357
 358 bool wxWindowBase::Close(bool force)
 359 {
 360     wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
 361     event.SetEventObject(this);
 362     event.SetCanVeto(!force);
 363
 364     // return false if window wasn't closed because the application vetoed the
 365     // close event
 366     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 367 }
 368
 369 bool wxWindowBase::DestroyChildren()
 370 {
 371     wxWindowList::compatibility_iterator node;
 372     for ( ;; )
 373     {
 374         // we iterate until the list becomes empty
 375         node = GetChildren().GetFirst();
 376         if ( !node )
 377             break;
 378
 379         wxWindow *child = node->GetData();
 380
 381         // note that we really want to call delete and not ->Destroy() here
 382         // because we want to delete the child immediately, before we are
 383         // deleted, and delayed deletion would result in problems as our (top
 384         // level) child could outlive its parent
 385         delete child;
 386
 387         wxASSERT_MSG( !GetChildren().Find(child),
 388                       wxT("child didn't remove itself using RemoveChild()") );
 389     }
 390
 391     return true;
 392 }
 393
 394 // ----------------------------------------------------------------------------
 395 // size/position related methods
 396 // ----------------------------------------------------------------------------
 397
 398 // centre the window with respect to its parent in either (or both) directions
 399 void wxWindowBase::DoCentre(int dir)
 400 {
 401     wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
 402                  _T("this method only implements centering child windows") );
 403
 404     SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
 405 }
 406
 407 // fits the window around the children
 408 void wxWindowBase::Fit()
 409 {
 410     if ( !GetChildren().empty() )
 411     {
 412         SetClientSize(GetBestSize());
 413     }
 414     //else: do nothing if we have no children
 415 }
 416
 417 // fits virtual size (ie. scrolled area etc.) around children
 418 void wxWindowBase::FitInside()
 419 {
 420     if ( GetChildren().GetCount() > 0 )
 421     {
 422         SetVirtualSize( GetBestVirtualSize() );
 423     }
 424 }
 425
 426 // On Mac, scrollbars are explicitly children.
 427 #ifdef __WXMAC__
 428 static bool wxHasRealChildren(const wxWindowBase* win)
 429 {
 430     int realChildCount = 0;
 431
 432     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 433           node;
 434           node = node->GetNext() )
 435     {
 436         wxWindow *win = node->GetData();
 437         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 438             realChildCount ++;
 439     }
 440     return (realChildCount > 0);
 441 }
 442 #endif
 443
 444 void wxWindowBase::InvalidateBestSize()
 445 {
 446     m_bestSizeCache = wxDefaultSize;
 447
 448     // parent's best size calculation may depend on its children's
 449     // as long as child window we are in is not top level window itself
 450     // (because the TLW size is never resized automatically)
 451     // so let's invalidate it as well to be safe:
 452     if (m_parent && !IsTopLevel())
 453         m_parent->InvalidateBestSize();
 454 }
 455
 456 // return the size best suited for the current window
 457 wxSize wxWindowBase::DoGetBestSize() const
 458 {
 459     wxSize best;
 460
 461     if ( m_windowSizer )
 462     {
 463         best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
 464     }
 465 #if wxUSE_CONSTRAINTS
 466     else if ( m_constraints )
 467     {
 468         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 469
 470         // our minimal acceptable size is such that all our windows fit inside
 471         int maxX = 0,
 472             maxY = 0;
 473
 474         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 475               node;
 476               node = node->GetNext() )
 477         {
 478             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 479             if ( !c )
 480             {
 481                 // it's not normal that we have an unconstrained child, but
 482                 // what can we do about it?
 483                 continue;
 484             }
 485
 486             int x = c->right.GetValue(),
 487                 y = c->bottom.GetValue();
 488
 489             if ( x > maxX )
 490                 maxX = x;
 491
 492             if ( y > maxY )
 493                 maxY = y;
 494
 495             // TODO: we must calculate the overlaps somehow, otherwise we
 496             //       will never return a size bigger than the current one :-(
 497         }
 498
 499         best = wxSize(maxX, maxY);
 500     }
 501 #endif // wxUSE_CONSTRAINTS
 502     else if ( !GetChildren().empty()
 503 #ifdef __WXMAC__
 504               && wxHasRealChildren(this)
 505 #endif
 506               )
 507     {
 508         // our minimal acceptable size is such that all our visible child windows fit inside
 509         int maxX = 0,
 510             maxY = 0;
 511
 512         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 513               node;
 514               node = node->GetNext() )
 515         {
 516             wxWindow *win = node->GetData();
 517             if ( win->IsTopLevel()  || ( ! win->IsShown() )
 518 #if wxUSE_STATUSBAR
 519                     || wxDynamicCast(win, wxStatusBar)
 520 #endif // wxUSE_STATUSBAR
 521                )
 522             {
 523                 // dialogs and frames lie in different top level windows -
 524                 // don't deal with them here; as for the status bars, they
 525                 // don't lie in the client area at all
 526                 continue;
 527             }
 528
 529             int wx, wy, ww, wh;
 530             win->GetPosition(&wx, &wy);
 531
 532             // if the window hadn't been positioned yet, assume that it is in
 533             // the origin
 534             if ( wx == wxDefaultCoord )
 535                 wx = 0;
 536             if ( wy == wxDefaultCoord )
 537                 wy = 0;
 538
 539             win->GetSize(&ww, &wh);
 540             if ( wx + ww > maxX )
 541                 maxX = wx + ww;
 542             if ( wy + wh > maxY )
 543                 maxY = wy + wh;
 544         }
 545
 546         // for compatibility with the old versions and because it really looks
 547         // slightly more pretty like this, add a pad
 548         maxX += 7;
 549         maxY += 14;
 550
 551         best = wxSize(maxX, maxY);
 552     }
 553     else // ! has children
 554     {
 555         // for a generic window there is no natural best size so, if the
 556         // minimal size is not set, use the current size but take care to
 557         // remember it as minimal size for the next time because our best size
 558         // should be constant: otherwise we could get into a situation when the
 559         // window is initially at some size, then expanded to a larger size and
 560         // then, when the containing window is shrunk back (because our initial
 561         // best size had been used for computing the parent min size), we can't
 562         // be shrunk back any more because our best size is now bigger
 563         wxSize size = GetMinSize();
 564         if ( !size.IsFullySpecified() )
 565         {
 566             size.SetDefaults(GetSize());
 567             wxConstCast(this, wxWindowBase)->SetMinSize(size);
 568         }
 569
 570         // return as-is, unadjusted by the client size difference.
 571         return size;
 572     }
 573
 574     // Add any difference between size and client size
 575     wxSize diff = GetSize() - GetClientSize();
 576     best.x += wxMax(0, diff.x);
 577     best.y += wxMax(0, diff.y);
 578
 579     return best;
 580 }
 581
 582
 583 wxSize wxWindowBase::GetBestFittingSize() const
 584 {
 585     // merge the best size with the min size, giving priority to the min size
 586     wxSize min = GetMinSize();
 587     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 588     {
 589         wxSize best = GetBestSize();
 590         if (min.x == wxDefaultCoord) min.x =  best.x;
 591         if (min.y == wxDefaultCoord) min.y =  best.y;
 592     }
 593     return min;
 594 }
 595
 596
 597 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 598 {
 599     // Set the min size to the size passed in.  This will usually either be
 600     // wxDefaultSize or the size passed to this window's ctor/Create function.
 601     SetMinSize(size);
 602
 603     // Merge the size with the best size if needed
 604     wxSize best = GetBestFittingSize();
 605
 606     // If the current size doesn't match then change it
 607     if (GetSize() != best)
 608         SetSize(best);
 609 }
 610
 611
 612 // by default the origin is not shifted
 613 wxPoint wxWindowBase::GetClientAreaOrigin() const
 614 {
 615     return wxPoint(0,0);
 616 }
 617
 618 // set the min/max size of the window
 619 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 620                                   int maxW, int maxH,
 621                                   int WXUNUSED(incW), int WXUNUSED(incH))
 622 {
 623     // setting min width greater than max width leads to infinite loops under
 624     // X11 and generally doesn't make any sense, so don't allow it
 625     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 626                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 627                  _T("min width/height must be less than max width/height!") );
 628
 629     m_minWidth = minW;
 630     m_maxWidth = maxW;
 631     m_minHeight = minH;
 632     m_maxHeight = maxH;
 633 }
 634
 635 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 636 {
 637     if ( m_windowVariant != variant )
 638     {
 639         m_windowVariant = variant;
 640
 641         DoSetWindowVariant(variant);
 642     }
 643 }
 644
 645 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 646 {
 647     // adjust the font height to correspond to our new variant (notice that
 648     // we're only called if something really changed)
 649     wxFont font = GetFont();
 650     int size = font.GetPointSize();
 651     switch ( variant )
 652     {
 653         case wxWINDOW_VARIANT_NORMAL:
 654             break;
 655
 656         case wxWINDOW_VARIANT_SMALL:
 657             size *= 3;
 658             size /= 4;
 659             break;
 660
 661         case wxWINDOW_VARIANT_MINI:
 662             size *= 2;
 663             size /= 3;
 664             break;
 665
 666         case wxWINDOW_VARIANT_LARGE:
 667             size *= 5;
 668             size /= 4;
 669             break;
 670
 671         default:
 672             wxFAIL_MSG(_T("unexpected window variant"));
 673             break;
 674     }
 675
 676     font.SetPointSize(size);
 677     SetFont(font);
 678 }
 679
 680 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 681                                         int maxW, int maxH )
 682 {
 683     m_minVirtualWidth = minW;
 684     m_maxVirtualWidth = maxW;
 685     m_minVirtualHeight = minH;
 686     m_maxVirtualHeight = maxH;
 687 }
 688
 689 void wxWindowBase::DoSetVirtualSize( int x, int y )
 690 {
 691     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 692         x = m_minVirtualWidth;
 693     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 694         x = m_maxVirtualWidth;
 695     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 696         y = m_minVirtualHeight;
 697     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 698         y = m_maxVirtualHeight;
 699
 700     m_virtualSize = wxSize(x, y);
 701 }
 702
 703 wxSize wxWindowBase::DoGetVirtualSize() const
 704 {
 705     // we should use the entire client area so if it is greater than our
 706     // virtual size, expand it to fit (otherwise if the window is big enough we
 707     // wouldn't be using parts of it)
 708     wxSize size = GetClientSize();
 709     if ( m_virtualSize.x > size.x )
 710         size.x = m_virtualSize.x;
 711
 712     if ( m_virtualSize.y >= size.y )
 713         size.y = m_virtualSize.y;
 714
 715     return size;
 716 }
 717
 718 void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
 719 {
 720     // screen position is the same as (0, 0) in client coords for non TLWs (and
 721     // TLWs override this method)
 722     if ( x )
 723         *x = 0;
 724     if ( y )
 725         *y = 0;
 726
 727     return ClientToScreen(x, y);
 728 }
 729
 730 // ----------------------------------------------------------------------------
 731 // show/hide/enable/disable the window
 732 // ----------------------------------------------------------------------------
 733
 734 bool wxWindowBase::Show(bool show)
 735 {
 736     if ( show != m_isShown )
 737     {
 738         m_isShown = show;
 739
 740         return true;
 741     }
 742     else
 743     {
 744         return false;
 745     }
 746 }
 747
 748 bool wxWindowBase::Enable(bool enable)
 749 {
 750     if ( enable != m_isEnabled )
 751     {
 752         m_isEnabled = enable;
 753
 754         return true;
 755     }
 756     else
 757     {
 758         return false;
 759     }
 760 }
 761 // ----------------------------------------------------------------------------
 762 // RTTI
 763 // ----------------------------------------------------------------------------
 764
 765 bool wxWindowBase::IsTopLevel() const
 766 {
 767     return false;
 768 }
 769
 770 // ----------------------------------------------------------------------------
 771 // reparenting the window
 772 // ----------------------------------------------------------------------------
 773
 774 void wxWindowBase::AddChild(wxWindowBase *child)
 775 {
 776     wxCHECK_RET( child, wxT("can't add a NULL child") );
 777
 778     // this should never happen and it will lead to a crash later if it does
 779     // because RemoveChild() will remove only one node from the children list
 780     // and the other(s) one(s) will be left with dangling pointers in them
 781     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 782
 783     GetChildren().Append((wxWindow*)child);
 784     child->SetParent(this);
 785 }
 786
 787 void wxWindowBase::RemoveChild(wxWindowBase *child)
 788 {
 789     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 790
 791     GetChildren().DeleteObject((wxWindow *)child);
 792     child->SetParent(NULL);
 793 }
 794
 795 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 796 {
 797     wxWindow *oldParent = GetParent();
 798     if ( newParent == oldParent )
 799     {
 800         // nothing done
 801         return false;
 802     }
 803
 804     // unlink this window from the existing parent.
 805     if ( oldParent )
 806     {
 807         oldParent->RemoveChild(this);
 808     }
 809     else
 810     {
 811         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 812     }
 813
 814     // add it to the new one
 815     if ( newParent )
 816     {
 817         newParent->AddChild(this);
 818     }
 819     else
 820     {
 821         wxTopLevelWindows.Append((wxWindow *)this);
 822     }
 823
 824     return true;
 825 }
 826
 827 // ----------------------------------------------------------------------------
 828 // event handler stuff
 829 // ----------------------------------------------------------------------------
 830
 831 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 832 {
 833     wxEvtHandler *handlerOld = GetEventHandler();
 834
 835     handler->SetNextHandler(handlerOld);
 836
 837     if ( handlerOld )
 838         GetEventHandler()->SetPreviousHandler(handler);
 839
 840     SetEventHandler(handler);
 841 }
 842
 843 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 844 {
 845     wxEvtHandler *handlerA = GetEventHandler();
 846     if ( handlerA )
 847     {
 848         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 849         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 850
 851         if ( handlerB )
 852             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 853         SetEventHandler(handlerB);
 854
 855         if ( deleteHandler )
 856         {
 857             delete handlerA;
 858             handlerA = (wxEvtHandler *)NULL;
 859         }
 860     }
 861
 862     return handlerA;
 863 }
 864
 865 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 866 {
 867     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 868
 869     wxEvtHandler *handlerPrev = NULL,
 870                  *handlerCur = GetEventHandler();
 871     while ( handlerCur )
 872     {
 873         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 874
 875         if ( handlerCur == handler )
 876         {
 877             if ( handlerPrev )
 878             {
 879                 handlerPrev->SetNextHandler(handlerNext);
 880             }
 881             else
 882             {
 883                 SetEventHandler(handlerNext);
 884             }
 885
 886             if ( handlerNext )
 887             {
 888                 handlerNext->SetPreviousHandler ( handlerPrev );
 889             }
 890
 891             handler->SetNextHandler(NULL);
 892             handler->SetPreviousHandler(NULL);
 893
 894             return true;
 895         }
 896
 897         handlerPrev = handlerCur;
 898         handlerCur = handlerNext;
 899     }
 900
 901     wxFAIL_MSG( _T("where has the event handler gone?") );
 902
 903     return false;
 904 }
 905
 906 // ----------------------------------------------------------------------------
 907 // colours, fonts &c
 908 // ----------------------------------------------------------------------------
 909
 910 void wxWindowBase::InheritAttributes()
 911 {
 912     const wxWindowBase * const parent = GetParent();
 913     if ( !parent )
 914         return;
 915
 916     // we only inherit attributes which had been explicitly set for the parent
 917     // which ensures that this only happens if the user really wants it and
 918     // not by default which wouldn't make any sense in modern GUIs where the
 919     // controls don't all use the same fonts (nor colours)
 920     if ( parent->m_inheritFont && !m_hasFont )
 921         SetFont(parent->GetFont());
 922
 923     // in addition, there is a possibility to explicitly forbid inheriting
 924     // colours at each class level by overriding ShouldInheritColours()
 925     if ( ShouldInheritColours() )
 926     {
 927         if ( parent->m_inheritFgCol && !m_hasFgCol )
 928             SetForegroundColour(parent->GetForegroundColour());
 929
 930         // inheriting (solid) background colour is wrong as it totally breaks
 931         // any kind of themed backgrounds
 932         //
 933         // instead, the controls should use the same background as their parent
 934         // (ideally by not drawing it at all)
 935 #if 0
 936         if ( parent->m_inheritBgCol && !m_hasBgCol )
 937             SetBackgroundColour(parent->GetBackgroundColour());
 938 #endif // 0
 939     }
 940 }
 941
 942 /* static */ wxVisualAttributes
 943 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 944 {
 945     // it is important to return valid values for all attributes from here,
 946     // GetXXX() below rely on this
 947     wxVisualAttributes attrs;
 948     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 949     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
 950
 951     // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
 952     // the usual background colour than wxSYS_COLOUR_BTNFACE.
 953     // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
 954     // colour on other platforms.
 955
 956 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
 957     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 958 #else
 959     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 960 #endif
 961     return attrs;
 962 }
 963
 964 wxColour wxWindowBase::GetBackgroundColour() const
 965 {
 966     if ( !m_backgroundColour.Ok() )
 967     {
 968         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
 969
 970         // get our default background colour
 971         wxColour colBg = GetDefaultAttributes().colBg;
 972
 973         // we must return some valid colour to avoid redoing this every time
 974         // and also to avoid surprizing the applications written for older
 975         // wxWidgets versions where GetBackgroundColour() always returned
 976         // something -- so give them something even if it doesn't make sense
 977         // for this window (e.g. it has a themed background)
 978         if ( !colBg.Ok() )
 979             colBg = GetClassDefaultAttributes().colBg;
 980
 981         return colBg;
 982     }
 983     else
 984         return m_backgroundColour;
 985 }
 986
 987 wxColour wxWindowBase::GetForegroundColour() const
 988 {
 989     // logic is the same as above
 990     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
 991     {
 992         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
 993
 994         wxColour colFg = GetDefaultAttributes().colFg;
 995
 996         if ( !colFg.Ok() )
 997             colFg = GetClassDefaultAttributes().colFg;
 998
 999         return colFg;
1000     }
1001     else
1002         return m_foregroundColour;
1003 }
1004
1005 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
1006 {
1007     if ( colour == m_backgroundColour )
1008         return false;
1009
1010     m_hasBgCol = colour.Ok();
1011     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1012         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1013
1014     m_inheritBgCol = m_hasBgCol;
1015     m_backgroundColour = colour;
1016     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1017     return true;
1018 }
1019
1020 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1021 {
1022     if (colour == m_foregroundColour )
1023         return false;
1024
1025     m_hasFgCol = colour.Ok();
1026     m_inheritFgCol = m_hasFgCol;
1027     m_foregroundColour = colour;
1028     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1029     return true;
1030 }
1031
1032 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1033 {
1034     // setting an invalid cursor is ok, it means that we don't have any special
1035     // cursor
1036     if ( m_cursor == cursor )
1037     {
1038         // no change
1039         return false;
1040     }
1041
1042     m_cursor = cursor;
1043
1044     return true;
1045 }
1046
1047 wxFont wxWindowBase::GetFont() const
1048 {
1049     // logic is the same as in GetBackgroundColour()
1050     if ( !m_font.Ok() )
1051     {
1052         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1053
1054         wxFont font = GetDefaultAttributes().font;
1055         if ( !font.Ok() )
1056             font = GetClassDefaultAttributes().font;
1057
1058         return font;
1059     }
1060     else
1061         return m_font;
1062 }
1063
1064 bool wxWindowBase::SetFont(const wxFont& font)
1065 {
1066     if ( font == m_font )
1067     {
1068         // no change
1069         return false;
1070     }
1071
1072     m_font = font;
1073     m_hasFont = font.Ok();
1074     m_inheritFont = m_hasFont;
1075
1076     InvalidateBestSize();
1077
1078     return true;
1079 }
1080
1081 #if wxUSE_PALETTE
1082
1083 void wxWindowBase::SetPalette(const wxPalette& pal)
1084 {
1085     m_hasCustomPalette = true;
1086     m_palette = pal;
1087
1088     // VZ: can anyone explain me what do we do here?
1089     wxWindowDC d((wxWindow *) this);
1090     d.SetPalette(pal);
1091 }
1092
1093 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1094 {
1095     wxWindow *win = (wxWindow *)this;
1096     while ( win && !win->HasCustomPalette() )
1097     {
1098         win = win->GetParent();
1099     }
1100
1101     return win;
1102 }
1103
1104 #endif // wxUSE_PALETTE
1105
1106 #if wxUSE_CARET
1107 void wxWindowBase::SetCaret(wxCaret *caret)
1108 {
1109     if ( m_caret )
1110     {
1111         delete m_caret;
1112     }
1113
1114     m_caret = caret;
1115
1116     if ( m_caret )
1117     {
1118         wxASSERT_MSG( m_caret->GetWindow() == this,
1119                       wxT("caret should be created associated to this window") );
1120     }
1121 }
1122 #endif // wxUSE_CARET
1123
1124 #if wxUSE_VALIDATORS
1125 // ----------------------------------------------------------------------------
1126 // validators
1127 // ----------------------------------------------------------------------------
1128
1129 void wxWindowBase::SetValidator(const wxValidator& validator)
1130 {
1131     if ( m_windowValidator )
1132         delete m_windowValidator;
1133
1134     m_windowValidator = (wxValidator *)validator.Clone();
1135
1136     if ( m_windowValidator )
1137         m_windowValidator->SetWindow(this);
1138 }
1139 #endif // wxUSE_VALIDATORS
1140
1141 // ----------------------------------------------------------------------------
1142 // update region stuff
1143 // ----------------------------------------------------------------------------
1144
1145 wxRect wxWindowBase::GetUpdateClientRect() const
1146 {
1147     wxRegion rgnUpdate = GetUpdateRegion();
1148     rgnUpdate.Intersect(GetClientRect());
1149     wxRect rectUpdate = rgnUpdate.GetBox();
1150     wxPoint ptOrigin = GetClientAreaOrigin();
1151     rectUpdate.x -= ptOrigin.x;
1152     rectUpdate.y -= ptOrigin.y;
1153
1154     return rectUpdate;
1155 }
1156
1157 bool wxWindowBase::IsExposed(int x, int y) const
1158 {
1159     return m_updateRegion.Contains(x, y) != wxOutRegion;
1160 }
1161
1162 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1163 {
1164     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1165 }
1166
1167 void wxWindowBase::ClearBackground()
1168 {
1169     // wxGTK uses its own version, no need to add never used code
1170 #ifndef __WXGTK__
1171     wxClientDC dc((wxWindow *)this);
1172     wxBrush brush(GetBackgroundColour(), wxSOLID);
1173     dc.SetBackground(brush);
1174     dc.Clear();
1175 #endif // __WXGTK__
1176 }
1177
1178 // ----------------------------------------------------------------------------
1179 // find child window by id or name
1180 // ----------------------------------------------------------------------------
1181
1182 wxWindow *wxWindowBase::FindWindow(long id) const
1183 {
1184     if ( id == m_windowId )
1185         return (wxWindow *)this;
1186
1187     wxWindowBase *res = (wxWindow *)NULL;
1188     wxWindowList::compatibility_iterator node;
1189     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1190     {
1191         wxWindowBase *child = node->GetData();
1192         res = child->FindWindow( id );
1193     }
1194
1195     return (wxWindow *)res;
1196 }
1197
1198 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1199 {
1200     if ( name == m_windowName )
1201         return (wxWindow *)this;
1202
1203     wxWindowBase *res = (wxWindow *)NULL;
1204     wxWindowList::compatibility_iterator node;
1205     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1206     {
1207         wxWindow *child = node->GetData();
1208         res = child->FindWindow(name);
1209     }
1210
1211     return (wxWindow *)res;
1212 }
1213
1214
1215 // find any window by id or name or label: If parent is non-NULL, look through
1216 // children for a label or title matching the specified string. If NULL, look
1217 // through all top-level windows.
1218 //
1219 // to avoid duplicating code we reuse the same helper function but with
1220 // different comparators
1221
1222 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1223                                 const wxString& label, long id);
1224
1225 static
1226 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1227                            long WXUNUSED(id))
1228 {
1229     return win->GetLabel() == label;
1230 }
1231
1232 static
1233 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1234                           long WXUNUSED(id))
1235 {
1236     return win->GetName() == label;
1237 }
1238
1239 static
1240 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1241                         long id)
1242 {
1243     return win->GetId() == id;
1244 }
1245
1246 // recursive helper for the FindWindowByXXX() functions
1247 static
1248 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1249                                   const wxString& label,
1250                                   long id,
1251                                   wxFindWindowCmp cmp)
1252 {
1253     if ( parent )
1254     {
1255         // see if this is the one we're looking for
1256         if ( (*cmp)(parent, label, id) )
1257             return (wxWindow *)parent;
1258
1259         // It wasn't, so check all its children
1260         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1261               node;
1262               node = node->GetNext() )
1263         {
1264             // recursively check each child
1265             wxWindow *win = (wxWindow *)node->GetData();
1266             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1267             if (retwin)
1268                 return retwin;
1269         }
1270     }
1271
1272     // Not found
1273     return NULL;
1274 }
1275
1276 // helper for FindWindowByXXX()
1277 static
1278 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1279                              const wxString& label,
1280                              long id,
1281                              wxFindWindowCmp cmp)
1282 {
1283     if ( parent )
1284     {
1285         // just check parent and all its children
1286         return wxFindWindowRecursively(parent, label, id, cmp);
1287     }
1288
1289     // start at very top of wx's windows
1290     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1291           node;
1292           node = node->GetNext() )
1293     {
1294         // recursively check each window & its children
1295         wxWindow *win = node->GetData();
1296         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1297         if (retwin)
1298             return retwin;
1299     }
1300
1301     return NULL;
1302 }
1303
1304 /* static */
1305 wxWindow *
1306 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1307 {
1308     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1309 }
1310
1311 /* static */
1312 wxWindow *
1313 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1314 {
1315     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1316
1317     if ( !win )
1318     {
1319         // fall back to the label
1320         win = FindWindowByLabel(title, parent);
1321     }
1322
1323     return win;
1324 }
1325
1326 /* static */
1327 wxWindow *
1328 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1329 {
1330     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1331 }
1332
1333 // ----------------------------------------------------------------------------
1334 // dialog oriented functions
1335 // ----------------------------------------------------------------------------
1336
1337 void wxWindowBase::MakeModal(bool modal)
1338 {
1339     // Disable all other windows
1340     if ( IsTopLevel() )
1341     {
1342         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1343         while (node)
1344         {
1345             wxWindow *win = node->GetData();
1346             if (win != this)
1347                 win->Enable(!modal);
1348
1349             node = node->GetNext();
1350         }
1351     }
1352 }
1353
1354 bool wxWindowBase::Validate()
1355 {
1356 #if wxUSE_VALIDATORS
1357     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1358
1359     wxWindowList::compatibility_iterator node;
1360     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1361     {
1362         wxWindowBase *child = node->GetData();
1363         wxValidator *validator = child->GetValidator();
1364         if ( validator && !validator->Validate((wxWindow *)this) )
1365         {
1366             return false;
1367         }
1368
1369         if ( recurse && !child->Validate() )
1370         {
1371             return false;
1372         }
1373     }
1374 #endif // wxUSE_VALIDATORS
1375
1376     return true;
1377 }
1378
1379 bool wxWindowBase::TransferDataToWindow()
1380 {
1381 #if wxUSE_VALIDATORS
1382     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1383
1384     wxWindowList::compatibility_iterator node;
1385     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1386     {
1387         wxWindowBase *child = node->GetData();
1388         wxValidator *validator = child->GetValidator();
1389         if ( validator && !validator->TransferToWindow() )
1390         {
1391             wxLogWarning(_("Could not transfer data to window"));
1392 #if wxUSE_LOG
1393             wxLog::FlushActive();
1394 #endif // wxUSE_LOG
1395
1396             return false;
1397         }
1398
1399         if ( recurse )
1400         {
1401             if ( !child->TransferDataToWindow() )
1402             {
1403                 // warning already given
1404                 return false;
1405             }
1406         }
1407     }
1408 #endif // wxUSE_VALIDATORS
1409
1410     return true;
1411 }
1412
1413 bool wxWindowBase::TransferDataFromWindow()
1414 {
1415 #if wxUSE_VALIDATORS
1416     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1417
1418     wxWindowList::compatibility_iterator node;
1419     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1420     {
1421         wxWindow *child = node->GetData();
1422         wxValidator *validator = child->GetValidator();
1423         if ( validator && !validator->TransferFromWindow() )
1424         {
1425             // nop warning here because the application is supposed to give
1426             // one itself - we don't know here what might have gone wrongly
1427
1428             return false;
1429         }
1430
1431         if ( recurse )
1432         {
1433             if ( !child->TransferDataFromWindow() )
1434             {
1435                 // warning already given
1436                 return false;
1437             }
1438         }
1439     }
1440 #endif // wxUSE_VALIDATORS
1441
1442     return true;
1443 }
1444
1445 void wxWindowBase::InitDialog()
1446 {
1447     wxInitDialogEvent event(GetId());
1448     event.SetEventObject( this );
1449     GetEventHandler()->ProcessEvent(event);
1450 }
1451
1452 // ----------------------------------------------------------------------------
1453 // context-sensitive help support
1454 // ----------------------------------------------------------------------------
1455
1456 #if wxUSE_HELP
1457
1458 // associate this help text with this window
1459 void wxWindowBase::SetHelpText(const wxString& text)
1460 {
1461     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1462     if ( helpProvider )
1463     {
1464         helpProvider->AddHelp(this, text);
1465     }
1466 }
1467
1468 // associate this help text with all windows with the same id as this
1469 // one
1470 void wxWindowBase::SetHelpTextForId(const wxString& text)
1471 {
1472     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1473     if ( helpProvider )
1474     {
1475         helpProvider->AddHelp(GetId(), text);
1476     }
1477 }
1478
1479 // get the help string associated with this window (may be empty)
1480 wxString wxWindowBase::GetHelpText() const
1481 {
1482     wxString text;
1483     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1484     if ( helpProvider )
1485     {
1486         text = helpProvider->GetHelp(this);
1487     }
1488
1489     return text;
1490 }
1491
1492 // show help for this window
1493 void wxWindowBase::OnHelp(wxHelpEvent& event)
1494 {
1495     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1496     if ( helpProvider )
1497     {
1498         if ( helpProvider->ShowHelp(this) )
1499         {
1500             // skip the event.Skip() below
1501             return;
1502         }
1503     }
1504
1505     event.Skip();
1506 }
1507
1508 #endif // wxUSE_HELP
1509
1510 // ----------------------------------------------------------------------------
1511 // tooltipsroot.Replace("\\", "/");
1512 // ----------------------------------------------------------------------------
1513
1514 #if wxUSE_TOOLTIPS
1515
1516 void wxWindowBase::SetToolTip( const wxString &tip )
1517 {
1518     // don't create the new tooltip if we already have one
1519     if ( m_tooltip )
1520     {
1521         m_tooltip->SetTip( tip );
1522     }
1523     else
1524     {
1525         SetToolTip( new wxToolTip( tip ) );
1526     }
1527
1528     // setting empty tooltip text does not remove the tooltip any more - use
1529     // SetToolTip((wxToolTip *)NULL) for this
1530 }
1531
1532 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1533 {
1534     if ( m_tooltip )
1535         delete m_tooltip;
1536
1537     m_tooltip = tooltip;
1538 }
1539
1540 #endif // wxUSE_TOOLTIPS
1541
1542 // ----------------------------------------------------------------------------
1543 // constraints and sizers
1544 // ----------------------------------------------------------------------------
1545
1546 #if wxUSE_CONSTRAINTS
1547
1548 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1549 {
1550     if ( m_constraints )
1551     {
1552         UnsetConstraints(m_constraints);
1553         delete m_constraints;
1554     }
1555     m_constraints = constraints;
1556     if ( m_constraints )
1557     {
1558         // Make sure other windows know they're part of a 'meaningful relationship'
1559         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1560             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1561         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1562             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1563         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1564             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1565         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1566             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1567         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1568             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1569         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1570             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1571         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1572             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1573         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1574             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1575     }
1576 }
1577
1578 // This removes any dangling pointers to this window in other windows'
1579 // constraintsInvolvedIn lists.
1580 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1581 {
1582     if ( c )
1583     {
1584         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1585             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1586         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1587             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1588         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1589             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1590         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1591             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1592         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1593             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1594         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1595             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1596         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1597             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1598         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1599             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1600     }
1601 }
1602
1603 // Back-pointer to other windows we're involved with, so if we delete this
1604 // window, we must delete any constraints we're involved with.
1605 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1606 {
1607     if ( !m_constraintsInvolvedIn )
1608         m_constraintsInvolvedIn = new wxWindowList;
1609     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1610         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1611 }
1612
1613 // REMOVE back-pointer to other windows we're involved with.
1614 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1615 {
1616     if ( m_constraintsInvolvedIn )
1617         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1618 }
1619
1620 // Reset any constraints that mention this window
1621 void wxWindowBase::DeleteRelatedConstraints()
1622 {
1623     if ( m_constraintsInvolvedIn )
1624     {
1625         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1626         while (node)
1627         {
1628             wxWindow *win = node->GetData();
1629             wxLayoutConstraints *constr = win->GetConstraints();
1630
1631             // Reset any constraints involving this window
1632             if ( constr )
1633             {
1634                 constr->left.ResetIfWin(this);
1635                 constr->top.ResetIfWin(this);
1636                 constr->right.ResetIfWin(this);
1637                 constr->bottom.ResetIfWin(this);
1638                 constr->width.ResetIfWin(this);
1639                 constr->height.ResetIfWin(this);
1640                 constr->centreX.ResetIfWin(this);
1641                 constr->centreY.ResetIfWin(this);
1642             }
1643
1644             wxWindowList::compatibility_iterator next = node->GetNext();
1645             m_constraintsInvolvedIn->Erase(node);
1646             node = next;
1647         }
1648
1649         delete m_constraintsInvolvedIn;
1650         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1651     }
1652 }
1653
1654 #endif // wxUSE_CONSTRAINTS
1655
1656 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1657 {
1658     if ( sizer == m_windowSizer)
1659         return;
1660
1661     if ( deleteOld )
1662         delete m_windowSizer;
1663
1664     m_windowSizer = sizer;
1665
1666     SetAutoLayout( sizer != NULL );
1667 }
1668
1669 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1670 {
1671     SetSizer( sizer, deleteOld );
1672     sizer->SetSizeHints( (wxWindow*) this );
1673 }
1674
1675
1676 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1677 {
1678     // adding a window to a sizer twice is going to result in fatal and
1679     // hard to debug problems later because when deleting the second
1680     // associated wxSizerItem we're going to dereference a dangling
1681     // pointer; so try to detect this as early as possible
1682     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1683                   _T("Adding a window to the same sizer twice?") );
1684
1685     m_containingSizer = sizer;
1686 }
1687
1688 #if wxUSE_CONSTRAINTS
1689
1690 void wxWindowBase::SatisfyConstraints()
1691 {
1692     wxLayoutConstraints *constr = GetConstraints();
1693     bool wasOk = constr && constr->AreSatisfied();
1694
1695     ResetConstraints();   // Mark all constraints as unevaluated
1696
1697     int noChanges = 1;
1698
1699     // if we're a top level panel (i.e. our parent is frame/dialog), our
1700     // own constraints will never be satisfied any more unless we do it
1701     // here
1702     if ( wasOk )
1703     {
1704         while ( noChanges > 0 )
1705         {
1706             LayoutPhase1(&noChanges);
1707         }
1708     }
1709
1710     LayoutPhase2(&noChanges);
1711 }
1712
1713 #endif // wxUSE_CONSTRAINTS
1714
1715 bool wxWindowBase::Layout()
1716 {
1717     // If there is a sizer, use it instead of the constraints
1718     if ( GetSizer() )
1719     {
1720         int w = 0, h = 0;
1721         GetVirtualSize(&w, &h);
1722         GetSizer()->SetDimension( 0, 0, w, h );
1723     }
1724 #if wxUSE_CONSTRAINTS
1725     else
1726     {
1727         SatisfyConstraints(); // Find the right constraints values
1728         SetConstraintSizes(); // Recursively set the real window sizes
1729     }
1730 #endif
1731
1732     return true;
1733 }
1734
1735 #if wxUSE_CONSTRAINTS
1736
1737 // first phase of the constraints evaluation: set our own constraints
1738 bool wxWindowBase::LayoutPhase1(int *noChanges)
1739 {
1740     wxLayoutConstraints *constr = GetConstraints();
1741
1742     return !constr || constr->SatisfyConstraints(this, noChanges);
1743 }
1744
1745 // second phase: set the constraints for our children
1746 bool wxWindowBase::LayoutPhase2(int *noChanges)
1747 {
1748     *noChanges = 0;
1749
1750     // Layout children
1751     DoPhase(1);
1752
1753     // Layout grand children
1754     DoPhase(2);
1755
1756     return true;
1757 }
1758
1759 // Do a phase of evaluating child constraints
1760 bool wxWindowBase::DoPhase(int phase)
1761 {
1762     // the list containing the children for which the constraints are already
1763     // set correctly
1764     wxWindowList succeeded;
1765
1766     // the max number of iterations we loop before concluding that we can't set
1767     // the constraints
1768     static const int maxIterations = 500;
1769
1770     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1771     {
1772         int noChanges = 0;
1773
1774         // loop over all children setting their constraints
1775         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1776               node;
1777               node = node->GetNext() )
1778         {
1779             wxWindow *child = node->GetData();
1780             if ( child->IsTopLevel() )
1781             {
1782                 // top level children are not inside our client area
1783                 continue;
1784             }
1785
1786             if ( !child->GetConstraints() || succeeded.Find(child) )
1787             {
1788                 // this one is either already ok or nothing we can do about it
1789                 continue;
1790             }
1791
1792             int tempNoChanges = 0;
1793             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1794                                       : child->LayoutPhase2(&tempNoChanges);
1795             noChanges += tempNoChanges;
1796
1797             if ( success )
1798             {
1799                 succeeded.Append(child);
1800             }
1801         }
1802
1803         if ( !noChanges )
1804         {
1805             // constraints are set
1806             break;
1807         }
1808     }
1809
1810     return true;
1811 }
1812
1813 void wxWindowBase::ResetConstraints()
1814 {
1815     wxLayoutConstraints *constr = GetConstraints();
1816     if ( constr )
1817     {
1818         constr->left.SetDone(false);
1819         constr->top.SetDone(false);
1820         constr->right.SetDone(false);
1821         constr->bottom.SetDone(false);
1822         constr->width.SetDone(false);
1823         constr->height.SetDone(false);
1824         constr->centreX.SetDone(false);
1825         constr->centreY.SetDone(false);
1826     }
1827
1828     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1829     while (node)
1830     {
1831         wxWindow *win = node->GetData();
1832         if ( !win->IsTopLevel() )
1833             win->ResetConstraints();
1834         node = node->GetNext();
1835     }
1836 }
1837
1838 // Need to distinguish between setting the 'fake' size for windows and sizers,
1839 // and setting the real values.
1840 void wxWindowBase::SetConstraintSizes(bool recurse)
1841 {
1842     wxLayoutConstraints *constr = GetConstraints();
1843     if ( constr && constr->AreSatisfied() )
1844     {
1845         int x = constr->left.GetValue();
1846         int y = constr->top.GetValue();
1847         int w = constr->width.GetValue();
1848         int h = constr->height.GetValue();
1849
1850         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1851              (constr->height.GetRelationship() != wxAsIs) )
1852         {
1853             SetSize(x, y, w, h);
1854         }
1855         else
1856         {
1857             // If we don't want to resize this window, just move it...
1858             Move(x, y);
1859         }
1860     }
1861     else if ( constr )
1862     {
1863         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1864                    GetClassInfo()->GetClassName(),
1865                    GetName().c_str());
1866     }
1867
1868     if ( recurse )
1869     {
1870         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1871         while (node)
1872         {
1873             wxWindow *win = node->GetData();
1874             if ( !win->IsTopLevel() && win->GetConstraints() )
1875                 win->SetConstraintSizes();
1876             node = node->GetNext();
1877         }
1878     }
1879 }
1880
1881 // Only set the size/position of the constraint (if any)
1882 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1883 {
1884     wxLayoutConstraints *constr = GetConstraints();
1885     if ( constr )
1886     {
1887         if ( x != wxDefaultCoord )
1888         {
1889             constr->left.SetValue(x);
1890             constr->left.SetDone(true);
1891         }
1892         if ( y != wxDefaultCoord )
1893         {
1894             constr->top.SetValue(y);
1895             constr->top.SetDone(true);
1896         }
1897         if ( w != wxDefaultCoord )
1898         {
1899             constr->width.SetValue(w);
1900             constr->width.SetDone(true);
1901         }
1902         if ( h != wxDefaultCoord )
1903         {
1904             constr->height.SetValue(h);
1905             constr->height.SetDone(true);
1906         }
1907     }
1908 }
1909
1910 void wxWindowBase::MoveConstraint(int x, int y)
1911 {
1912     wxLayoutConstraints *constr = GetConstraints();
1913     if ( constr )
1914     {
1915         if ( x != wxDefaultCoord )
1916         {
1917             constr->left.SetValue(x);
1918             constr->left.SetDone(true);
1919         }
1920         if ( y != wxDefaultCoord )
1921         {
1922             constr->top.SetValue(y);
1923             constr->top.SetDone(true);
1924         }
1925     }
1926 }
1927
1928 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
1929 {
1930     wxLayoutConstraints *constr = GetConstraints();
1931     if ( constr )
1932     {
1933         *w = constr->width.GetValue();
1934         *h = constr->height.GetValue();
1935     }
1936     else
1937         GetSize(w, h);
1938 }
1939
1940 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
1941 {
1942     wxLayoutConstraints *constr = GetConstraints();
1943     if ( constr )
1944     {
1945         *w = constr->width.GetValue();
1946         *h = constr->height.GetValue();
1947     }
1948     else
1949         GetClientSize(w, h);
1950 }
1951
1952 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
1953 {
1954     wxLayoutConstraints *constr = GetConstraints();
1955     if ( constr )
1956     {
1957         *x = constr->left.GetValue();
1958         *y = constr->top.GetValue();
1959     }
1960     else
1961         GetPosition(x, y);
1962 }
1963
1964 #endif // wxUSE_CONSTRAINTS
1965
1966 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
1967 {
1968     // don't do it for the dialogs/frames - they float independently of their
1969     // parent
1970     if ( !IsTopLevel() )
1971     {
1972         wxWindow *parent = GetParent();
1973         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1974         {
1975             wxPoint pt(parent->GetClientAreaOrigin());
1976             x += pt.x;
1977             y += pt.y;
1978         }
1979     }
1980 }
1981
1982 // ----------------------------------------------------------------------------
1983 // do Update UI processing for child controls
1984 // ----------------------------------------------------------------------------
1985
1986 void wxWindowBase::UpdateWindowUI(long flags)
1987 {
1988     wxUpdateUIEvent event(GetId());
1989     event.SetEventObject(this);
1990
1991     if ( GetEventHandler()->ProcessEvent(event) )
1992     {
1993         DoUpdateWindowUI(event);
1994     }
1995
1996     if (flags & wxUPDATE_UI_RECURSE)
1997     {
1998         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1999         while (node)
2000         {
2001             wxWindow* child = (wxWindow*) node->GetData();
2002             child->UpdateWindowUI(flags);
2003             node = node->GetNext();
2004         }
2005     }
2006 }
2007
2008 // do the window-specific processing after processing the update event
2009 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2010 {
2011     if ( event.GetSetEnabled() )
2012         Enable(event.GetEnabled());
2013
2014     if ( event.GetSetShown() )
2015         Show(event.GetShown());
2016 }
2017
2018 #if 0
2019 // call internal idle recursively
2020 // may be obsolete (wait until OnIdle scheme stabilises)
2021 void wxWindowBase::ProcessInternalIdle()
2022 {
2023     OnInternalIdle();
2024
2025     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2026     while (node)
2027     {
2028         wxWindow *child = node->GetData();
2029         child->ProcessInternalIdle();
2030         node = node->GetNext();
2031     }
2032 }
2033 #endif
2034
2035 // ----------------------------------------------------------------------------
2036 // dialog units translations
2037 // ----------------------------------------------------------------------------
2038
2039 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2040 {
2041     int charWidth = GetCharWidth();
2042     int charHeight = GetCharHeight();
2043     wxPoint pt2 = wxDefaultPosition;
2044     if (pt.x != wxDefaultCoord)
2045         pt2.x = (int) ((pt.x * 4) / charWidth);
2046     if (pt.y != wxDefaultCoord)
2047         pt2.y = (int) ((pt.y * 8) / charHeight);
2048
2049     return pt2;
2050 }
2051
2052 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2053 {
2054     int charWidth = GetCharWidth();
2055     int charHeight = GetCharHeight();
2056     wxPoint pt2 = wxDefaultPosition;
2057     if (pt.x != wxDefaultCoord)
2058         pt2.x = (int) ((pt.x * charWidth) / 4);
2059     if (pt.y != wxDefaultCoord)
2060         pt2.y = (int) ((pt.y * charHeight) / 8);
2061
2062     return pt2;
2063 }
2064
2065 // ----------------------------------------------------------------------------
2066 // event handlers
2067 // ----------------------------------------------------------------------------
2068
2069 // propagate the colour change event to the subwindows
2070 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2071 {
2072     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2073     while ( node )
2074     {
2075         // Only propagate to non-top-level windows
2076         wxWindow *win = node->GetData();
2077         if ( !win->IsTopLevel() )
2078         {
2079             wxSysColourChangedEvent event2;
2080             event.SetEventObject(win);
2081             win->GetEventHandler()->ProcessEvent(event2);
2082         }
2083
2084         node = node->GetNext();
2085     }
2086
2087     Refresh();
2088 }
2089
2090 // the default action is to populate dialog with data when it's created,
2091 // and nudge the UI into displaying itself correctly in case
2092 // we've turned the wxUpdateUIEvents frequency down low.
2093 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2094 {
2095     TransferDataToWindow();
2096
2097     // Update the UI at this point
2098     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2099 }
2100
2101 // methods for drawing the sizers in a visible way
2102 #ifdef __WXDEBUG__
2103
2104 static void DrawSizers(wxWindowBase *win);
2105
2106 static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
2107 {
2108     wxClientDC dc((wxWindow *)win);
2109     dc.SetPen(*wxRED_PEN);
2110     dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
2111     dc.DrawRectangle(rect.Deflate(1, 1));
2112 }
2113
2114 static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
2115 {
2116     const wxSizerItemList& items = sizer->GetChildren();
2117     for ( wxSizerItemList::const_iterator i = items.begin(),
2118                                         end = items.end();
2119           i != end;
2120           ++i )
2121     {
2122         wxSizerItem *item = *i;
2123         if ( item->IsSizer() )
2124         {
2125             DrawBorder(win, item->GetRect().Deflate(2));
2126             DrawSizer(win, item->GetSizer());
2127         }
2128         else if ( item->IsSpacer() )
2129         {
2130             DrawBorder(win, item->GetRect().Deflate(2), true);
2131         }
2132         else if ( item->IsWindow() )
2133         {
2134             DrawSizers(item->GetWindow());
2135         }
2136     }
2137 }
2138
2139 static void DrawSizers(wxWindowBase *win)
2140 {
2141     wxSizer *sizer = win->GetSizer();
2142     if ( sizer )
2143     {
2144         DrawBorder(win, win->GetClientSize());
2145         DrawSizer(win, sizer);
2146     }
2147     else // no sizer, still recurse into the children
2148     {
2149         const wxWindowList& children = win->GetChildren();
2150         for ( wxWindowList::const_iterator i = children.begin(),
2151                                          end = children.end();
2152               i != end;
2153               ++i )
2154         {
2155             DrawSizers(*i);
2156         }
2157     }
2158 }
2159
2160 #endif // __WXDEBUG__
2161
2162 // process special middle clicks
2163 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2164 {
2165     if ( event.ControlDown() && event.AltDown() )
2166     {
2167 #ifdef __WXDEBUG__
2168         // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
2169         if ( event.ShiftDown() )
2170         {
2171             DrawSizers(this);
2172             return;
2173         }
2174 #endif // __WXDEBUG__
2175
2176 #if wxUSE_MSGDLG
2177         // don't translate these strings
2178         wxString port;
2179
2180 #ifdef __WXUNIVERSAL__
2181         port = _T("Univ/");
2182 #endif // __WXUNIVERSAL__
2183
2184         switch ( wxGetOsVersion() )
2185         {
2186             case wxMOTIF_X:            port += _T("Motif"); break;
2187             case wxMAC:
2188             case wxMAC_DARWIN:         port += _T("Mac"); break;
2189             case wxBEOS:               port += _T("BeOS"); break;
2190             case wxGTK:
2191             case wxGTK_WIN32:
2192             case wxGTK_OS2:
2193             case wxGTK_BEOS:           port += _T("GTK"); break;
2194             case wxWINDOWS:
2195             case wxPENWINDOWS:
2196             case wxWINDOWS_NT:
2197             case wxWIN32S:
2198             case wxWIN95:
2199             case wxWIN386:             port += _T("MS Windows"); break;
2200             case wxMGL_UNIX:
2201             case wxMGL_X:
2202             case wxMGL_WIN32:
2203             case wxMGL_OS2:            port += _T("MGL"); break;
2204             case wxWINDOWS_OS2:
2205             case wxOS2_PM:             port += _T("OS/2"); break;
2206             case wxPALMOS:             port += _T("Palm OS"); break;
2207             case wxWINDOWS_CE:         port += _T("Windows CE (generic)"); break;
2208             case wxWINDOWS_POCKETPC:   port += _T("Windows CE PocketPC"); break;
2209             case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break;
2210             default:            port += _T("unknown"); break;
2211         }
2212
2213         wxMessageBox(wxString::Format(
2214                                       _T(
2215                                         "       wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n   Copyright (c) 1995-2006 wxWidgets team"
2216                                         ),
2217                                       port.c_str(),
2218                                       wxMAJOR_VERSION,
2219                                       wxMINOR_VERSION,
2220                                       wxRELEASE_NUMBER,
2221 #if wxUSE_UNICODE
2222                                       L" (Unicode)",
2223 #else
2224                                       "",
2225 #endif
2226 #ifdef __WXDEBUG__
2227                                       _T(" Debug build"),
2228 #else
2229                                       wxEmptyString,
2230 #endif
2231                                       __TDATE__,
2232                                       __TTIME__,
2233 #ifdef __WXGTK__
2234                                       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()
2235 #else
2236                                       ""
2237 #endif
2238                                      ),
2239                      _T("wxWidgets information"),
2240                      wxICON_INFORMATION | wxOK,
2241                      (wxWindow *)this);
2242     }
2243     else
2244 #endif // wxUSE_MSGDLG
2245     {
2246         event.Skip();
2247     }
2248 }
2249
2250 // ----------------------------------------------------------------------------
2251 // accessibility
2252 // ----------------------------------------------------------------------------
2253
2254 #if wxUSE_ACCESSIBILITY
2255 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2256 {
2257     if (m_accessible && (accessible != m_accessible))
2258         delete m_accessible;
2259     m_accessible = accessible;
2260     if (m_accessible)
2261         m_accessible->SetWindow((wxWindow*) this);
2262 }
2263
2264 // Returns the accessible object, creating if necessary.
2265 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2266 {
2267     if (!m_accessible)
2268         m_accessible = CreateAccessible();
2269     return m_accessible;
2270 }
2271
2272 // Override to create a specific accessible object.
2273 wxAccessible* wxWindowBase::CreateAccessible()
2274 {
2275     return new wxWindowAccessible((wxWindow*) this);
2276 }
2277
2278 #endif
2279
2280 // ----------------------------------------------------------------------------
2281 // list classes implementation
2282 // ----------------------------------------------------------------------------
2283
2284 #if wxUSE_STL
2285
2286 #include "wx/listimpl.cpp"
2287 WX_DEFINE_LIST(wxWindowList)
2288
2289 #else
2290
2291 void wxWindowListNode::DeleteData()
2292 {
2293     delete (wxWindow *)GetData();
2294 }
2295
2296 #endif
2297
2298 // ----------------------------------------------------------------------------
2299 // borders
2300 // ----------------------------------------------------------------------------
2301
2302 wxBorder wxWindowBase::GetBorder(long flags) const
2303 {
2304     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2305     if ( border == wxBORDER_DEFAULT )
2306     {
2307         border = GetDefaultBorder();
2308     }
2309
2310     return border;
2311 }
2312
2313 wxBorder wxWindowBase::GetDefaultBorder() const
2314 {
2315     return wxBORDER_NONE;
2316 }
2317
2318 // ----------------------------------------------------------------------------
2319 // hit testing
2320 // ----------------------------------------------------------------------------
2321
2322 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2323 {
2324     // here we just check if the point is inside the window or not
2325
2326     // check the top and left border first
2327     bool outside = x < 0 || y < 0;
2328     if ( !outside )
2329     {
2330         // check the right and bottom borders too
2331         wxSize size = GetSize();
2332         outside = x >= size.x || y >= size.y;
2333     }
2334
2335     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2336 }
2337
2338 // ----------------------------------------------------------------------------
2339 // mouse capture
2340 // ----------------------------------------------------------------------------
2341
2342 struct WXDLLEXPORT wxWindowNext
2343 {
2344     wxWindow *win;
2345     wxWindowNext *next;
2346 } *wxWindowBase::ms_winCaptureNext = NULL;
2347
2348 void wxWindowBase::CaptureMouse()
2349 {
2350     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2351
2352     wxWindow *winOld = GetCapture();
2353     if ( winOld )
2354     {
2355         ((wxWindowBase*) winOld)->DoReleaseMouse();
2356
2357         // save it on stack
2358         wxWindowNext *item = new wxWindowNext;
2359         item->win = winOld;
2360         item->next = ms_winCaptureNext;
2361         ms_winCaptureNext = item;
2362     }
2363     //else: no mouse capture to save
2364
2365     DoCaptureMouse();
2366 }
2367
2368 void wxWindowBase::ReleaseMouse()
2369 {
2370     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2371
2372     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2373
2374     DoReleaseMouse();
2375
2376     if ( ms_winCaptureNext )
2377     {
2378         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2379
2380         wxWindowNext *item = ms_winCaptureNext;
2381         ms_winCaptureNext = item->next;
2382         delete item;
2383     }
2384     //else: stack is empty, no previous capture
2385
2386     wxLogTrace(_T("mousecapture"),
2387         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2388         GetCapture());
2389 }
2390
2391 #if wxUSE_HOTKEY
2392
2393 bool
2394 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2395                              int WXUNUSED(modifiers),
2396                              int WXUNUSED(keycode))
2397 {
2398     // not implemented
2399     return false;
2400 }
2401
2402 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2403 {
2404     // not implemented
2405     return false;
2406 }
2407
2408 #endif // wxUSE_HOTKEY
2409
2410 void wxWindowBase::SendDestroyEvent()
2411 {
2412     wxWindowDestroyEvent event;
2413     event.SetEventObject(this);
2414     event.SetId(GetId());
2415     GetEventHandler()->ProcessEvent(event);
2416 }
2417
2418 // ----------------------------------------------------------------------------
2419 // event processing
2420 // ----------------------------------------------------------------------------
2421
2422 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2423 {
2424 #if wxUSE_VALIDATORS
2425     // Can only use the validator of the window which
2426     // is receiving the event
2427     if ( event.GetEventObject() == this )
2428     {
2429         wxValidator *validator = GetValidator();
2430         if ( validator && validator->ProcessEvent(event) )
2431         {
2432             return true;
2433         }
2434     }
2435 #endif // wxUSE_VALIDATORS
2436
2437     return false;
2438 }
2439
2440 bool wxWindowBase::TryParent(wxEvent& event)
2441 {
2442     // carry on up the parent-child hierarchy if the propagation count hasn't
2443     // reached zero yet
2444     if ( event.ShouldPropagate() )
2445     {
2446         // honour the requests to stop propagation at this window: this is
2447         // used by the dialogs, for example, to prevent processing the events
2448         // from the dialog controls in the parent frame which rarely, if ever,
2449         // makes sense
2450         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2451         {
2452             wxWindow *parent = GetParent();
2453             if ( parent && !parent->IsBeingDeleted() )
2454             {
2455                 wxPropagateOnce propagateOnce(event);
2456
2457                 return parent->GetEventHandler()->ProcessEvent(event);
2458             }
2459         }
2460     }
2461
2462     return wxEvtHandler::TryParent(event);
2463 }
2464
2465 // ----------------------------------------------------------------------------
2466 // keyboard navigation
2467 // ----------------------------------------------------------------------------
2468
2469 // Navigates in the specified direction.
2470 bool wxWindowBase::Navigate(int flags)
2471 {
2472     wxNavigationKeyEvent eventNav;
2473     eventNav.SetFlags(flags);
2474     eventNav.SetEventObject(this);
2475     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2476     {
2477         return true;
2478     }
2479     return false;
2480 }
2481
2482 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2483 {
2484     // check that we're not a top level window
2485     wxCHECK_RET( GetParent(),
2486                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2487
2488     // detect the special case when we have nothing to do anyhow and when the
2489     // code below wouldn't work
2490     if ( win == this )
2491         return;
2492
2493     // find the target window in the siblings list
2494     wxWindowList& siblings = GetParent()->GetChildren();
2495     wxWindowList::compatibility_iterator i = siblings.Find(win);
2496     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2497
2498     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2499     // can't just move the node around
2500     wxWindow *self = (wxWindow *)this;
2501     siblings.DeleteObject(self);
2502     if ( move == MoveAfter )
2503     {
2504         i = i->GetNext();
2505     }
2506
2507     if ( i )
2508     {
2509         siblings.Insert(i, self);
2510     }
2511     else // MoveAfter and win was the last sibling
2512     {
2513         siblings.Append(self);
2514     }
2515 }
2516
2517 // ----------------------------------------------------------------------------
2518 // focus handling
2519 // ----------------------------------------------------------------------------
2520
2521 /*static*/ wxWindow* wxWindowBase::FindFocus()
2522 {
2523     wxWindowBase *win = DoFindFocus();
2524     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2525 }
2526
2527 // ----------------------------------------------------------------------------
2528 // global functions
2529 // ----------------------------------------------------------------------------
2530
2531 wxWindow* wxGetTopLevelParent(wxWindow *win)
2532 {
2533     while ( win && !win->IsTopLevel() )
2534          win = win->GetParent();
2535
2536     return win;
2537 }
2538
2539 #if wxUSE_ACCESSIBILITY
2540 // ----------------------------------------------------------------------------
2541 // accessible object for windows
2542 // ----------------------------------------------------------------------------
2543
2544 // Can return either a child object, or an integer
2545 // representing the child element, starting from 1.
2546 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2547 {
2548     wxASSERT( GetWindow() != NULL );
2549     if (!GetWindow())
2550         return wxACC_FAIL;
2551
2552     return wxACC_NOT_IMPLEMENTED;
2553 }
2554
2555 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2556 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2557 {
2558     wxASSERT( GetWindow() != NULL );
2559     if (!GetWindow())
2560         return wxACC_FAIL;
2561
2562     wxWindow* win = NULL;
2563     if (elementId == 0)
2564     {
2565         win = GetWindow();
2566     }
2567     else
2568     {
2569         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2570         {
2571             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2572         }
2573         else
2574             return wxACC_FAIL;
2575     }
2576     if (win)
2577     {
2578         rect = win->GetRect();
2579         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2580             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2581         return wxACC_OK;
2582     }
2583
2584     return wxACC_NOT_IMPLEMENTED;
2585 }
2586
2587 // Navigates from fromId to toId/toObject.
2588 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2589                              int* WXUNUSED(toId), wxAccessible** toObject)
2590 {
2591     wxASSERT( GetWindow() != NULL );
2592     if (!GetWindow())
2593         return wxACC_FAIL;
2594
2595     switch (navDir)
2596     {
2597     case wxNAVDIR_FIRSTCHILD:
2598         {
2599             if (GetWindow()->GetChildren().GetCount() == 0)
2600                 return wxACC_FALSE;
2601             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2602             *toObject = childWindow->GetOrCreateAccessible();
2603
2604             return wxACC_OK;
2605         }
2606     case wxNAVDIR_LASTCHILD:
2607         {
2608             if (GetWindow()->GetChildren().GetCount() == 0)
2609                 return wxACC_FALSE;
2610             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2611             *toObject = childWindow->GetOrCreateAccessible();
2612
2613             return wxACC_OK;
2614         }
2615     case wxNAVDIR_RIGHT:
2616     case wxNAVDIR_DOWN:
2617     case wxNAVDIR_NEXT:
2618         {
2619             wxWindowList::compatibility_iterator node =
2620                 wxWindowList::compatibility_iterator();
2621             if (fromId == 0)
2622             {
2623                 // Can't navigate to sibling of this window
2624                 // if we're a top-level window.
2625                 if (!GetWindow()->GetParent())
2626                     return wxACC_NOT_IMPLEMENTED;
2627
2628                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2629             }
2630             else
2631             {
2632                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2633                     node = GetWindow()->GetChildren().Item(fromId-1);
2634             }
2635
2636             if (node && node->GetNext())
2637             {
2638                 wxWindow* nextWindow = node->GetNext()->GetData();
2639                 *toObject = nextWindow->GetOrCreateAccessible();
2640                 return wxACC_OK;
2641             }
2642             else
2643                 return wxACC_FALSE;
2644         }
2645     case wxNAVDIR_LEFT:
2646     case wxNAVDIR_UP:
2647     case wxNAVDIR_PREVIOUS:
2648         {
2649             wxWindowList::compatibility_iterator node =
2650                 wxWindowList::compatibility_iterator();
2651             if (fromId == 0)
2652             {
2653                 // Can't navigate to sibling of this window
2654                 // if we're a top-level window.
2655                 if (!GetWindow()->GetParent())
2656                     return wxACC_NOT_IMPLEMENTED;
2657
2658                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2659             }
2660             else
2661             {
2662                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2663                     node = GetWindow()->GetChildren().Item(fromId-1);
2664             }
2665
2666             if (node && node->GetPrevious())
2667             {
2668                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2669                 *toObject = previousWindow->GetOrCreateAccessible();
2670                 return wxACC_OK;
2671             }
2672             else
2673                 return wxACC_FALSE;
2674         }
2675     }
2676
2677     return wxACC_NOT_IMPLEMENTED;
2678 }
2679
2680 // Gets the name of the specified object.
2681 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2682 {
2683     wxASSERT( GetWindow() != NULL );
2684     if (!GetWindow())
2685         return wxACC_FAIL;
2686
2687     wxString title;
2688
2689     // If a child, leave wxWidgets to call the function on the actual
2690     // child object.
2691     if (childId > 0)
2692         return wxACC_NOT_IMPLEMENTED;
2693
2694     // This will eventually be replaced by specialised
2695     // accessible classes, one for each kind of wxWidgets
2696     // control or window.
2697 #if wxUSE_BUTTON
2698     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2699         title = ((wxButton*) GetWindow())->GetLabel();
2700     else
2701 #endif
2702         title = GetWindow()->GetName();
2703
2704     if (!title.empty())
2705     {
2706         *name = title;
2707         return wxACC_OK;
2708     }
2709     else
2710         return wxACC_NOT_IMPLEMENTED;
2711 }
2712
2713 // Gets the number of children.
2714 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2715 {
2716     wxASSERT( GetWindow() != NULL );
2717     if (!GetWindow())
2718         return wxACC_FAIL;
2719
2720     *childId = (int) GetWindow()->GetChildren().GetCount();
2721     return wxACC_OK;
2722 }
2723
2724 // Gets the specified child (starting from 1).
2725 // If *child is NULL and return value is wxACC_OK,
2726 // this means that the child is a simple element and
2727 // not an accessible object.
2728 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2729 {
2730     wxASSERT( GetWindow() != NULL );
2731     if (!GetWindow())
2732         return wxACC_FAIL;
2733
2734     if (childId == 0)
2735     {
2736         *child = this;
2737         return wxACC_OK;
2738     }
2739
2740     if (childId > (int) GetWindow()->GetChildren().GetCount())
2741         return wxACC_FAIL;
2742
2743     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2744     *child = childWindow->GetOrCreateAccessible();
2745     if (*child)
2746         return wxACC_OK;
2747     else
2748         return wxACC_FAIL;
2749 }
2750
2751 // Gets the parent, or NULL.
2752 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2753 {
2754     wxASSERT( GetWindow() != NULL );
2755     if (!GetWindow())
2756         return wxACC_FAIL;
2757
2758     wxWindow* parentWindow = GetWindow()->GetParent();
2759     if (!parentWindow)
2760     {
2761         *parent = NULL;
2762         return wxACC_OK;
2763     }
2764     else
2765     {
2766         *parent = parentWindow->GetOrCreateAccessible();
2767         if (*parent)
2768             return wxACC_OK;
2769         else
2770             return wxACC_FAIL;
2771     }
2772 }
2773
2774 // Performs the default action. childId is 0 (the action for this object)
2775 // or > 0 (the action for a child).
2776 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2777 // window (e.g. an edit control).
2778 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2779 {
2780     wxASSERT( GetWindow() != NULL );
2781     if (!GetWindow())
2782         return wxACC_FAIL;
2783
2784     return wxACC_NOT_IMPLEMENTED;
2785 }
2786
2787 // Gets the default action for this object (0) or > 0 (the action for a child).
2788 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2789 // string if there is no action.
2790 // The retrieved string describes the action that is performed on an object,
2791 // not what the object does as a result. For example, a toolbar button that prints
2792 // a document has a default action of "Press" rather than "Prints the current document."
2793 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2794 {
2795     wxASSERT( GetWindow() != NULL );
2796     if (!GetWindow())
2797         return wxACC_FAIL;
2798
2799     return wxACC_NOT_IMPLEMENTED;
2800 }
2801
2802 // Returns the description for this object or a child.
2803 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2804 {
2805     wxASSERT( GetWindow() != NULL );
2806     if (!GetWindow())
2807         return wxACC_FAIL;
2808
2809     wxString ht(GetWindow()->GetHelpText());
2810     if (!ht.empty())
2811     {
2812         *description = ht;
2813         return wxACC_OK;
2814     }
2815     return wxACC_NOT_IMPLEMENTED;
2816 }
2817
2818 // Returns help text for this object or a child, similar to tooltip text.
2819 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2820 {
2821     wxASSERT( GetWindow() != NULL );
2822     if (!GetWindow())
2823         return wxACC_FAIL;
2824
2825     wxString ht(GetWindow()->GetHelpText());
2826     if (!ht.empty())
2827     {
2828         *helpText = ht;
2829         return wxACC_OK;
2830     }
2831     return wxACC_NOT_IMPLEMENTED;
2832 }
2833
2834 // Returns the keyboard shortcut for this object or child.
2835 // Return e.g. ALT+K
2836 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2837 {
2838     wxASSERT( GetWindow() != NULL );
2839     if (!GetWindow())
2840         return wxACC_FAIL;
2841
2842     return wxACC_NOT_IMPLEMENTED;
2843 }
2844
2845 // Returns a role constant.
2846 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2847 {
2848     wxASSERT( GetWindow() != NULL );
2849     if (!GetWindow())
2850         return wxACC_FAIL;
2851
2852     // If a child, leave wxWidgets to call the function on the actual
2853     // child object.
2854     if (childId > 0)
2855         return wxACC_NOT_IMPLEMENTED;
2856
2857     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2858         return wxACC_NOT_IMPLEMENTED;
2859 #if wxUSE_STATUSBAR
2860     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2861         return wxACC_NOT_IMPLEMENTED;
2862 #endif
2863 #if wxUSE_TOOLBAR
2864     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2865         return wxACC_NOT_IMPLEMENTED;
2866 #endif
2867
2868     //*role = wxROLE_SYSTEM_CLIENT;
2869     *role = wxROLE_SYSTEM_CLIENT;
2870     return wxACC_OK;
2871
2872     #if 0
2873     return wxACC_NOT_IMPLEMENTED;
2874     #endif
2875 }
2876
2877 // Returns a state constant.
2878 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2879 {
2880     wxASSERT( GetWindow() != NULL );
2881     if (!GetWindow())
2882         return wxACC_FAIL;
2883
2884     // If a child, leave wxWidgets to call the function on the actual
2885     // child object.
2886     if (childId > 0)
2887         return wxACC_NOT_IMPLEMENTED;
2888
2889     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2890         return wxACC_NOT_IMPLEMENTED;
2891
2892 #if wxUSE_STATUSBAR
2893     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2894         return wxACC_NOT_IMPLEMENTED;
2895 #endif
2896 #if wxUSE_TOOLBAR
2897     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2898         return wxACC_NOT_IMPLEMENTED;
2899 #endif
2900
2901     *state = 0;
2902     return wxACC_OK;
2903
2904     #if 0
2905     return wxACC_NOT_IMPLEMENTED;
2906     #endif
2907 }
2908
2909 // Returns a localized string representing the value for the object
2910 // or child.
2911 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2912 {
2913     wxASSERT( GetWindow() != NULL );
2914     if (!GetWindow())
2915         return wxACC_FAIL;
2916
2917     return wxACC_NOT_IMPLEMENTED;
2918 }
2919
2920 // Selects the object or child.
2921 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2922 {
2923     wxASSERT( GetWindow() != NULL );
2924     if (!GetWindow())
2925         return wxACC_FAIL;
2926
2927     return wxACC_NOT_IMPLEMENTED;
2928 }
2929
2930 // Gets the window with the keyboard focus.
2931 // If childId is 0 and child is NULL, no object in
2932 // this subhierarchy has the focus.
2933 // If this object has the focus, child should be 'this'.
2934 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2935 {
2936     wxASSERT( GetWindow() != NULL );
2937     if (!GetWindow())
2938         return wxACC_FAIL;
2939
2940     return wxACC_NOT_IMPLEMENTED;
2941 }
2942
2943 // Gets a variant representing the selected children
2944 // of this object.
2945 // Acceptable values:
2946 // - a null variant (IsNull() returns true)
2947 // - a list variant (GetType() == wxT("list")
2948 // - an integer representing the selected child element,
2949 //   or 0 if this object is selected (GetType() == wxT("long")
2950 // - a "void*" pointer to a wxAccessible child object
2951 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
2952 {
2953     wxASSERT( GetWindow() != NULL );
2954     if (!GetWindow())
2955         return wxACC_FAIL;
2956
2957     return wxACC_NOT_IMPLEMENTED;
2958 }
2959
2960 #endif // wxUSE_ACCESSIBILITY