src/common/wincmn.cpp

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