src/common/wincmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "windowbase.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/string.h"
  33     #include "wx/log.h"
  34     #include "wx/intl.h"
  35     #include "wx/frame.h"
  36     #include "wx/defs.h"
  37     #include "wx/window.h"
  38     #include "wx/control.h"
  39     #include "wx/checkbox.h"
  40     #include "wx/radiobut.h"
  41     #include "wx/statbox.h"
  42     #include "wx/textctrl.h"
  43     #include "wx/settings.h"
  44     #include "wx/dialog.h"
  45     #include "wx/msgdlg.h"
  46     #include "wx/statusbr.h"
  47     #include "wx/dcclient.h"
  48 #endif //WX_PRECOMP
  49
  50 #if defined(__WXMAC__) && wxUSE_SCROLLBAR
  51     #include "wx/scrolbar.h"
  52 #endif
  53
  54 #if wxUSE_CONSTRAINTS
  55     #include "wx/layout.h"
  56 #endif // wxUSE_CONSTRAINTS
  57
  58 #include "wx/sizer.h"
  59
  60 #if wxUSE_DRAG_AND_DROP
  61     #include "wx/dnd.h"
  62 #endif // wxUSE_DRAG_AND_DROP
  63
  64 #if wxUSE_ACCESSIBILITY
  65     #include "wx/access.h"
  66 #endif
  67
  68 #if wxUSE_HELP
  69     #include "wx/cshelp.h"
  70 #endif // wxUSE_HELP
  71
  72 #if wxUSE_TOOLTIPS
  73     #include "wx/tooltip.h"
  74 #endif // wxUSE_TOOLTIPS
  75
  76 #if wxUSE_CARET
  77     #include "wx/caret.h"
  78 #endif // wxUSE_CARET
  79
  80 #if wxUSE_DISPLAY
  81     #include "wx/display.h"
  82 #endif
  83
  84 #if wxUSE_SYSTEM_OPTIONS
  85     #include "wx/sysopt.h"
  86 #endif
  87
  88 // ----------------------------------------------------------------------------
  89 // static data
  90 // ----------------------------------------------------------------------------
  91
  92 #if defined(__WXPALMOS__)
  93 int wxWindowBase::ms_lastControlId = 32767;
  94 #elif defined(__WXPM__)
  95 int wxWindowBase::ms_lastControlId = 2000;
  96 #else
  97 int wxWindowBase::ms_lastControlId = -200;
  98 #endif
  99
 100 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 101
 102 // ----------------------------------------------------------------------------
 103 // event table
 104 // ----------------------------------------------------------------------------
 105
 106 BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
 107     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
 108     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
 109     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
 110
 111 #if wxUSE_HELP
 112     EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
 113 #endif // wxUSE_HELP
 114
 115 END_EVENT_TABLE()
 116
 117 // ============================================================================
 118 // implementation of the common functionality of the wxWindow class
 119 // ============================================================================
 120
 121 // ----------------------------------------------------------------------------
 122 // initialization
 123 // ----------------------------------------------------------------------------
 124
 125 // the default initialization
 126 wxWindowBase::wxWindowBase()
 127 {
 128     // no window yet, no parent nor children
 129     m_parent = (wxWindow *)NULL;
 130     m_windowId = wxID_ANY;
 131
 132     // no constraints on the minimal window size
 133     m_minWidth =
 134     m_maxWidth = wxDefaultCoord;
 135     m_minHeight =
 136     m_maxHeight = wxDefaultCoord;
 137
 138     // invalidiated cache value
 139     m_bestSizeCache = wxDefaultSize;
 140
 141     // window are created enabled and visible by default
 142     m_isShown =
 143     m_isEnabled = true;
 144
 145     // the default event handler is just this window
 146     m_eventHandler = this;
 147
 148 #if wxUSE_VALIDATORS
 149     // no validator
 150     m_windowValidator = (wxValidator *) NULL;
 151 #endif // wxUSE_VALIDATORS
 152
 153     // the colours/fonts are default for now, so leave m_font,
 154     // m_backgroundColour and m_foregroundColour uninitialized and set those
 155     m_hasBgCol =
 156     m_hasFgCol =
 157     m_hasFont = false;
 158     m_inheritBgCol =
 159     m_inheritFgCol =
 160     m_inheritFont = false;
 161
 162     // no style bits
 163     m_exStyle =
 164     m_windowStyle = 0;
 165
 166     m_backgroundStyle = wxBG_STYLE_SYSTEM;
 167
 168 #if wxUSE_CONSTRAINTS
 169     // no constraints whatsoever
 170     m_constraints = (wxLayoutConstraints *) NULL;
 171     m_constraintsInvolvedIn = (wxWindowList *) NULL;
 172 #endif // wxUSE_CONSTRAINTS
 173
 174     m_windowSizer = (wxSizer *) NULL;
 175     m_containingSizer = (wxSizer *) NULL;
 176     m_autoLayout = false;
 177
 178 #if wxUSE_DRAG_AND_DROP
 179     m_dropTarget = (wxDropTarget *)NULL;
 180 #endif // wxUSE_DRAG_AND_DROP
 181
 182 #if wxUSE_TOOLTIPS
 183     m_tooltip = (wxToolTip *)NULL;
 184 #endif // wxUSE_TOOLTIPS
 185
 186 #if wxUSE_CARET
 187     m_caret = (wxCaret *)NULL;
 188 #endif // wxUSE_CARET
 189
 190 #if wxUSE_PALETTE
 191     m_hasCustomPalette = false;
 192 #endif // wxUSE_PALETTE
 193
 194 #if wxUSE_ACCESSIBILITY
 195     m_accessible = NULL;
 196 #endif
 197
 198     m_virtualSize = wxDefaultSize;
 199
 200     m_minVirtualWidth =
 201     m_maxVirtualWidth = wxDefaultCoord;
 202     m_minVirtualHeight =
 203     m_maxVirtualHeight = wxDefaultCoord;
 204
 205     m_windowVariant = wxWINDOW_VARIANT_NORMAL;
 206 #if wxUSE_SYSTEM_OPTIONS
 207     if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
 208     {
 209        m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
 210     }
 211 #endif
 212
 213     // Whether we're using the current theme for this window (wxGTK only for now)
 214     m_themeEnabled = false;
 215
 216     // VZ: this one shouldn't exist...
 217     m_isBeingDeleted = false;
 218 }
 219
 220 // common part of window creation process
 221 bool wxWindowBase::CreateBase(wxWindowBase *parent,
 222                               wxWindowID id,
 223                               const wxPoint& WXUNUSED(pos),
 224                               const wxSize& WXUNUSED(size),
 225                               long style,
 226                               const wxValidator& wxVALIDATOR_PARAM(validator),
 227                               const wxString& name)
 228 {
 229 #if wxUSE_STATBOX
 230     // wxGTK doesn't allow to create controls with static box as the parent so
 231     // this will result in a crash when the program is ported to wxGTK so warn
 232     // the user about it
 233
 234     // if you get this assert, the correct solution is to create the controls
 235     // as siblings of the static box
 236     wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
 237                   _T("wxStaticBox can't be used as a window parent!") );
 238 #endif // wxUSE_STATBOX
 239
 240     // ids are limited to 16 bits under MSW so if you care about portability,
 241     // it's not a good idea to use ids out of this range (and negative ids are
 242     // reserved for wxWidgets own usage)
 243     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
 244                   _T("invalid id value") );
 245
 246     // generate a new id if the user doesn't care about it
 247     m_windowId = id == wxID_ANY ? NewControlId() : id;
 248
 249     SetName(name);
 250     SetWindowStyleFlag(style);
 251     SetParent(parent);
 252
 253 #if wxUSE_VALIDATORS
 254     SetValidator(validator);
 255 #endif // wxUSE_VALIDATORS
 256
 257     // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
 258     // have it too - like this it's possible to set it only in the top level
 259     // dialog/frame and all children will inherit it by defult
 260     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
 261     {
 262         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
 263     }
 264
 265     return true;
 266 }
 267
 268 // ----------------------------------------------------------------------------
 269 // destruction
 270 // ----------------------------------------------------------------------------
 271
 272 // common clean up
 273 wxWindowBase::~wxWindowBase()
 274 {
 275     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 276
 277     // FIXME if these 2 cases result from programming errors in the user code
 278     //       we should probably assert here instead of silently fixing them
 279
 280     // Just in case the window has been Closed, but we're then deleting
 281     // immediately: don't leave dangling pointers.
 282     wxPendingDelete.DeleteObject(this);
 283
 284     // Just in case we've loaded a top-level window via LoadNativeDialog but
 285     // we weren't a dialog class
 286     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 287
 288     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 289
 290     // reset the dangling pointer our parent window may keep to us
 291     if ( m_parent )
 292     {
 293         if ( m_parent->GetDefaultItem() == this )
 294         {
 295             m_parent->SetDefaultItem(NULL);
 296         }
 297
 298         m_parent->RemoveChild(this);
 299     }
 300
 301 #if wxUSE_CARET
 302     delete m_caret;
 303 #endif // wxUSE_CARET
 304
 305 #if wxUSE_VALIDATORS
 306     delete m_windowValidator;
 307 #endif // wxUSE_VALIDATORS
 308
 309 #if wxUSE_CONSTRAINTS
 310     // Have to delete constraints/sizer FIRST otherwise sizers may try to look
 311     // at deleted windows as they delete themselves.
 312     DeleteRelatedConstraints();
 313
 314     if ( m_constraints )
 315     {
 316         // This removes any dangling pointers to this window in other windows'
 317         // constraintsInvolvedIn lists.
 318         UnsetConstraints(m_constraints);
 319         delete m_constraints;
 320         m_constraints = NULL;
 321     }
 322 #endif // wxUSE_CONSTRAINTS
 323
 324     if ( m_containingSizer )
 325         m_containingSizer->Detach( (wxWindow*)this );
 326
 327     delete m_windowSizer;
 328
 329 #if wxUSE_DRAG_AND_DROP
 330     delete m_dropTarget;
 331 #endif // wxUSE_DRAG_AND_DROP
 332
 333 #if wxUSE_TOOLTIPS
 334     delete m_tooltip;
 335 #endif // wxUSE_TOOLTIPS
 336
 337 #if wxUSE_ACCESSIBILITY
 338     delete m_accessible;
 339 #endif
 340 }
 341
 342 bool wxWindowBase::Destroy()
 343 {
 344     delete this;
 345
 346     return true;
 347 }
 348
 349 bool wxWindowBase::Close(bool force)
 350 {
 351     wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
 352     event.SetEventObject(this);
 353     event.SetCanVeto(!force);
 354
 355     // return false if window wasn't closed because the application vetoed the
 356     // close event
 357     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 358 }
 359
 360 bool wxWindowBase::DestroyChildren()
 361 {
 362     wxWindowList::compatibility_iterator node;
 363     for ( ;; )
 364     {
 365         // we iterate until the list becomes empty
 366         node = GetChildren().GetFirst();
 367         if ( !node )
 368             break;
 369
 370         wxWindow *child = node->GetData();
 371
 372         // note that we really want to call delete and not ->Destroy() here
 373         // because we want to delete the child immediately, before we are
 374         // deleted, and delayed deletion would result in problems as our (top
 375         // level) child could outlive its parent
 376         delete child;
 377
 378         wxASSERT_MSG( !GetChildren().Find(child),
 379                       wxT("child didn't remove itself using RemoveChild()") );
 380     }
 381
 382     return true;
 383 }
 384
 385 // ----------------------------------------------------------------------------
 386 // size/position related methods
 387 // ----------------------------------------------------------------------------
 388
 389 // centre the window with respect to its parent in either (or both) directions
 390 void wxWindowBase::Centre(int direction)
 391 {
 392     // the position/size of the parent window or of the entire screen
 393     wxPoint posParent;
 394     int widthParent, heightParent;
 395
 396     wxWindow *parent = NULL;
 397     wxTopLevelWindow *winTop = NULL;
 398
 399     if ( !(direction & wxCENTRE_ON_SCREEN) )
 400     {
 401         // find the parent to centre this window on: it should be the
 402         // immediate parent for the controls but the top level parent for the
 403         // top level windows (like dialogs)
 404         parent = GetParent();
 405         if ( IsTopLevel() )
 406         {
 407             while ( parent && !parent->IsTopLevel() )
 408             {
 409                 parent = parent->GetParent();
 410             }
 411         }
 412
 413         // there is no wxTopLevelWindow under wxMotif yet
 414 #ifndef __WXMOTIF__
 415         // we shouldn't center the dialog on the iconized window: under
 416         // Windows, for example, this places it completely off the screen
 417         if ( parent )
 418         {
 419             winTop = wxDynamicCast(parent, wxTopLevelWindow);
 420             if ( winTop && winTop->IsIconized() )
 421             {
 422                 winTop = NULL;
 423                 parent = NULL;
 424             }
 425         }
 426 #endif // __WXMOTIF__
 427
 428         // did we find the parent?
 429         if ( !parent )
 430         {
 431             // no other choice
 432             direction |= wxCENTRE_ON_SCREEN;
 433         }
 434     }
 435
 436     if ( direction & wxCENTRE_ON_SCREEN )
 437     {
 438         //RN:  If we are using wxDisplay we get
 439         //the dimensions of the monitor the window is on,
 440         //otherwise we get the dimensions of the primary monitor
 441 #if wxUSE_DISPLAY
 442         int nDisplay = wxDisplay::GetFromWindow((wxWindow*)this);
 443         if(nDisplay != wxNOT_FOUND)
 444         {
 445             wxDisplay windowDisplay(nDisplay);
 446             wxRect displayRect = windowDisplay.GetGeometry();
 447             widthParent = displayRect.width;
 448             heightParent = displayRect.height;
 449         }
 450         else
 451 #endif
 452         // centre with respect to the whole screen
 453         wxDisplaySize(&widthParent, &heightParent);
 454     }
 455     else
 456     {
 457         if ( IsTopLevel() )
 458         {
 459             if(winTop)
 460                 winTop->GetRectForTopLevelChildren(&posParent.x, &posParent.y, &widthParent, &heightParent);
 461             else
 462             {
 463                 // centre on the parent
 464                 parent->GetSize(&widthParent, &heightParent);
 465
 466                 // adjust to the parents position
 467                 posParent = parent->GetPosition();
 468             }
 469         }
 470         else
 471         {
 472             // centre inside the parents client rectangle
 473             parent->GetClientSize(&widthParent, &heightParent);
 474         }
 475     }
 476
 477     int width, height;
 478     GetSize(&width, &height);
 479
 480     int xNew = wxDefaultCoord,
 481         yNew = wxDefaultCoord;
 482
 483     if ( direction & wxHORIZONTAL )
 484         xNew = (widthParent - width)/2;
 485
 486     if ( direction & wxVERTICAL )
 487         yNew = (heightParent - height)/2;
 488
 489     xNew += posParent.x;
 490     yNew += posParent.y;
 491
 492     // FIXME:  This needs to get the client display rect of the display
 493     // the window is (via wxDisplay::GetFromWindow).
 494
 495     // Base size of the visible dimensions of the display
 496     // to take into account the taskbar. And the Mac menu bar at top.
 497     wxRect clientrect = wxGetClientDisplayRect();
 498
 499     // NB: in wxMSW, negative position may not neccessary mean "out of screen",
 500     //     but it may mean that the window is placed on other than the main
 501     //     display. Therefore we only make sure centered window is on the main display
 502     //     if the parent is at least partially present here.
 503     if (posParent.x + widthParent >= 0)  // if parent is (partially) on the main display
 504     {
 505         if (xNew < clientrect.GetLeft())
 506             xNew = clientrect.GetLeft();
 507         else if (xNew + width > clientrect.GetRight())
 508             xNew = clientrect.GetRight() - width;
 509     }
 510     if (posParent.y + heightParent >= 0)  // if parent is (partially) on the main display
 511     {
 512         if (yNew + height > clientrect.GetBottom())
 513             yNew = clientrect.GetBottom() - height;
 514
 515         // Make certain that the title bar is initially visible
 516         // always, even if this would push the bottom of the
 517         // dialog off the visible area of the display
 518         if (yNew < clientrect.GetTop())
 519             yNew = clientrect.GetTop();
 520     }
 521
 522     // move the window to this position (keeping the old size but using
 523     // SetSize() and not Move() to allow xNew and/or yNew to be wxDefaultCoord)
 524     SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
 525 }
 526
 527 // fits the window around the children
 528 void wxWindowBase::Fit()
 529 {
 530     if ( GetChildren().GetCount() > 0 )
 531     {
 532         SetSize(GetBestSize());
 533     }
 534     //else: do nothing if we have no children
 535 }
 536
 537 // fits virtual size (ie. scrolled area etc.) around children
 538 void wxWindowBase::FitInside()
 539 {
 540     if ( GetChildren().GetCount() > 0 )
 541     {
 542         SetVirtualSize( GetBestVirtualSize() );
 543     }
 544 }
 545
 546 // On Mac, scrollbars are explicitly children.
 547 #ifdef __WXMAC__
 548 static bool wxHasRealChildren(const wxWindowBase* win)
 549 {
 550     int realChildCount = 0;
 551
 552     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 553           node;
 554           node = node->GetNext() )
 555     {
 556         wxWindow *win = node->GetData();
 557         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 558             realChildCount ++;
 559     }
 560     return (realChildCount > 0);
 561 }
 562 #endif
 563
 564 void wxWindowBase::InvalidateBestSize()
 565 {
 566     m_bestSizeCache = wxDefaultSize;
 567
 568     // parent's best size calculation may depend on its children's
 569     // best sizes, so let's invalidate it as well to be safe:
 570     if (m_parent)
 571         m_parent->InvalidateBestSize();
 572 }
 573
 574 // return the size best suited for the current window
 575 wxSize wxWindowBase::DoGetBestSize() const
 576 {
 577     wxSize best;
 578
 579     if ( m_windowSizer )
 580     {
 581         best = m_windowSizer->GetMinSize();
 582     }
 583 #if wxUSE_CONSTRAINTS
 584     else if ( m_constraints )
 585     {
 586         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 587
 588         // our minimal acceptable size is such that all our windows fit inside
 589         int maxX = 0,
 590             maxY = 0;
 591
 592         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 593               node;
 594               node = node->GetNext() )
 595         {
 596             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 597             if ( !c )
 598             {
 599                 // it's not normal that we have an unconstrained child, but
 600                 // what can we do about it?
 601                 continue;
 602             }
 603
 604             int x = c->right.GetValue(),
 605                 y = c->bottom.GetValue();
 606
 607             if ( x > maxX )
 608                 maxX = x;
 609
 610             if ( y > maxY )
 611                 maxY = y;
 612
 613             // TODO: we must calculate the overlaps somehow, otherwise we
 614             //       will never return a size bigger than the current one :-(
 615         }
 616
 617         best = wxSize(maxX, maxY);
 618     }
 619 #endif // wxUSE_CONSTRAINTS
 620     else if ( !GetChildren().empty()
 621 #ifdef __WXMAC__
 622               && wxHasRealChildren(this)
 623 #endif
 624               )
 625     {
 626         // our minimal acceptable size is such that all our visible child windows fit inside
 627         int maxX = 0,
 628             maxY = 0;
 629
 630         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 631               node;
 632               node = node->GetNext() )
 633         {
 634             wxWindow *win = node->GetData();
 635             if ( win->IsTopLevel()  || ( ! win->IsShown() )
 636 #if wxUSE_STATUSBAR
 637                     || wxDynamicCast(win, wxStatusBar)
 638 #endif // wxUSE_STATUSBAR
 639                )
 640             {
 641                 // dialogs and frames lie in different top level windows -
 642                 // don't deal with them here; as for the status bars, they
 643                 // don't lie in the client area at all
 644                 continue;
 645             }
 646
 647             int wx, wy, ww, wh;
 648             win->GetPosition(&wx, &wy);
 649
 650             // if the window hadn't been positioned yet, assume that it is in
 651             // the origin
 652             if ( wx == wxDefaultCoord )
 653                 wx = 0;
 654             if ( wy == wxDefaultCoord )
 655                 wy = 0;
 656
 657             win->GetSize(&ww, &wh);
 658             if ( wx + ww > maxX )
 659                 maxX = wx + ww;
 660             if ( wy + wh > maxY )
 661                 maxY = wy + wh;
 662         }
 663
 664         // for compatibility with the old versions and because it really looks
 665         // slightly more pretty like this, add a pad
 666         maxX += 7;
 667         maxY += 14;
 668
 669         best = wxSize(maxX, maxY);
 670     }
 671     else // ! has children
 672     {
 673         // For a generic window there is no natural best size - just use
 674         // either the minimum size if there is one, or the current size.
 675         // These are returned as-is, unadjusted by the client size difference.
 676         if ( GetMinSize().IsFullySpecified() )
 677             return GetMinSize();
 678         else
 679             return GetSize();
 680     }
 681
 682     // Add any difference between size and client size
 683     wxSize diff = GetSize() - GetClientSize();
 684     best.x += wxMax(0, diff.x);
 685     best.y += wxMax(0, diff.y);
 686
 687     return best;
 688 }
 689
 690
 691 wxSize wxWindowBase::GetBestFittingSize() const
 692 {
 693     // merge the best size with the min size, giving priority to the min size
 694     wxSize min = GetMinSize();
 695     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 696     {
 697         wxSize best = GetBestSize();
 698         if (min.x == wxDefaultCoord) min.x =  best.x;
 699         if (min.y == wxDefaultCoord) min.y =  best.y;
 700     }
 701     return min;
 702 }
 703
 704
 705 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 706 {
 707     // Set the min size to the size passed in.  This will usually either be
 708     // wxDefaultSize or the size passed to this window's ctor/Create function.
 709     SetMinSize(size);
 710
 711     // Merge the size with the best size if needed
 712     wxSize best = GetBestFittingSize();
 713
 714     // If the current size doesn't match then change it
 715     if (GetSize() != best)
 716         SetSize(best);
 717 }
 718
 719
 720 // by default the origin is not shifted
 721 wxPoint wxWindowBase::GetClientAreaOrigin() const
 722 {
 723     return wxPoint(0,0);
 724 }
 725
 726 // set the min/max size of the window
 727 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 728                                   int maxW, int maxH,
 729                                   int WXUNUSED(incW), int WXUNUSED(incH))
 730 {
 731     // setting min width greater than max width leads to infinite loops under
 732     // X11 and generally doesn't make any sense, so don't allow it
 733     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 734                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 735                  _T("min width/height must be less than max width/height!") );
 736
 737     m_minWidth = minW;
 738     m_maxWidth = maxW;
 739     m_minHeight = minH;
 740     m_maxHeight = maxH;
 741 }
 742
 743 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 744 {
 745     if ( m_windowVariant != variant )
 746     {
 747         m_windowVariant = variant;
 748
 749         DoSetWindowVariant(variant);
 750     }
 751 }
 752
 753 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 754 {
 755     // adjust the font height to correspond to our new variant (notice that
 756     // we're only called if something really changed)
 757     wxFont font = GetFont();
 758     int size = font.GetPointSize();
 759     switch ( variant )
 760     {
 761         case wxWINDOW_VARIANT_NORMAL:
 762             break;
 763
 764         case wxWINDOW_VARIANT_SMALL:
 765             size *= 3;
 766             size /= 4;
 767             break;
 768
 769         case wxWINDOW_VARIANT_MINI:
 770             size *= 2;
 771             size /= 3;
 772             break;
 773
 774         case wxWINDOW_VARIANT_LARGE:
 775             size *= 5;
 776             size /= 4;
 777             break;
 778
 779         default:
 780             wxFAIL_MSG(_T("unexpected window variant"));
 781             break;
 782     }
 783
 784     font.SetPointSize(size);
 785     SetFont(font);
 786 }
 787
 788 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 789                                         int maxW, int maxH )
 790 {
 791     m_minVirtualWidth = minW;
 792     m_maxVirtualWidth = maxW;
 793     m_minVirtualHeight = minH;
 794     m_maxVirtualHeight = maxH;
 795 }
 796
 797 void wxWindowBase::DoSetVirtualSize( int x, int y )
 798 {
 799     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 800         x = m_minVirtualWidth;
 801     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 802         x = m_maxVirtualWidth;
 803     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 804         y = m_minVirtualHeight;
 805     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 806         y = m_maxVirtualHeight;
 807
 808     m_virtualSize = wxSize(x, y);
 809 }
 810
 811 wxSize wxWindowBase::DoGetVirtualSize() const
 812 {
 813     if (m_virtualSize == wxDefaultSize)
 814         return GetClientSize();
 815
 816     return m_virtualSize;
 817 }
 818
 819 // ----------------------------------------------------------------------------
 820 // show/hide/enable/disable the window
 821 // ----------------------------------------------------------------------------
 822
 823 bool wxWindowBase::Show(bool show)
 824 {
 825     if ( show != m_isShown )
 826     {
 827         m_isShown = show;
 828
 829         return true;
 830     }
 831     else
 832     {
 833         return false;
 834     }
 835 }
 836
 837 bool wxWindowBase::Enable(bool enable)
 838 {
 839     if ( enable != m_isEnabled )
 840     {
 841         m_isEnabled = enable;
 842
 843         return true;
 844     }
 845     else
 846     {
 847         return false;
 848     }
 849 }
 850 // ----------------------------------------------------------------------------
 851 // RTTI
 852 // ----------------------------------------------------------------------------
 853
 854 bool wxWindowBase::IsTopLevel() const
 855 {
 856     return false;
 857 }
 858
 859 // ----------------------------------------------------------------------------
 860 // reparenting the window
 861 // ----------------------------------------------------------------------------
 862
 863 void wxWindowBase::AddChild(wxWindowBase *child)
 864 {
 865     wxCHECK_RET( child, wxT("can't add a NULL child") );
 866
 867     // this should never happen and it will lead to a crash later if it does
 868     // because RemoveChild() will remove only one node from the children list
 869     // and the other(s) one(s) will be left with dangling pointers in them
 870     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 871
 872     GetChildren().Append((wxWindow*)child);
 873     child->SetParent(this);
 874 }
 875
 876 void wxWindowBase::RemoveChild(wxWindowBase *child)
 877 {
 878     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 879
 880     GetChildren().DeleteObject((wxWindow *)child);
 881     child->SetParent(NULL);
 882 }
 883
 884 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 885 {
 886     wxWindow *oldParent = GetParent();
 887     if ( newParent == oldParent )
 888     {
 889         // nothing done
 890         return false;
 891     }
 892
 893     // unlink this window from the existing parent.
 894     if ( oldParent )
 895     {
 896         oldParent->RemoveChild(this);
 897     }
 898     else
 899     {
 900         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 901     }
 902
 903     // add it to the new one
 904     if ( newParent )
 905     {
 906         newParent->AddChild(this);
 907     }
 908     else
 909     {
 910         wxTopLevelWindows.Append((wxWindow *)this);
 911     }
 912
 913     return true;
 914 }
 915
 916 // ----------------------------------------------------------------------------
 917 // event handler stuff
 918 // ----------------------------------------------------------------------------
 919
 920 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 921 {
 922     wxEvtHandler *handlerOld = GetEventHandler();
 923
 924     handler->SetNextHandler(handlerOld);
 925
 926     if ( handlerOld )
 927         GetEventHandler()->SetPreviousHandler(handler);
 928
 929     SetEventHandler(handler);
 930 }
 931
 932 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 933 {
 934     wxEvtHandler *handlerA = GetEventHandler();
 935     if ( handlerA )
 936     {
 937         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 938         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 939
 940         if ( handlerB )
 941             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 942         SetEventHandler(handlerB);
 943
 944         if ( deleteHandler )
 945         {
 946             delete handlerA;
 947             handlerA = (wxEvtHandler *)NULL;
 948         }
 949     }
 950
 951     return handlerA;
 952 }
 953
 954 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 955 {
 956     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 957
 958     wxEvtHandler *handlerPrev = NULL,
 959                  *handlerCur = GetEventHandler();
 960     while ( handlerCur )
 961     {
 962         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 963
 964         if ( handlerCur == handler )
 965         {
 966             if ( handlerPrev )
 967             {
 968                 handlerPrev->SetNextHandler(handlerNext);
 969             }
 970             else
 971             {
 972                 SetEventHandler(handlerNext);
 973             }
 974
 975             if ( handlerNext )
 976             {
 977                 handlerNext->SetPreviousHandler ( handlerPrev );
 978             }
 979
 980             handler->SetNextHandler(NULL);
 981             handler->SetPreviousHandler(NULL);
 982
 983             return true;
 984         }
 985
 986         handlerPrev = handlerCur;
 987         handlerCur = handlerNext;
 988     }
 989
 990     wxFAIL_MSG( _T("where has the event handler gone?") );
 991
 992     return false;
 993 }
 994
 995 // ----------------------------------------------------------------------------
 996 // colours, fonts &c
 997 // ----------------------------------------------------------------------------
 998
 999 void wxWindowBase::InheritAttributes()
1000 {
1001     const wxWindowBase * const parent = GetParent();
1002     if ( !parent )
1003         return;
1004
1005     // we only inherit attributes which had been explicitly set for the parent
1006     // which ensures that this only happens if the user really wants it and
1007     // not by default which wouldn't make any sense in modern GUIs where the
1008     // controls don't all use the same fonts (nor colours)
1009     if ( parent->m_inheritFont && !m_hasFont )
1010         SetFont(parent->GetFont());
1011
1012     // in addition, there is a possibility to explicitly forbid inheriting
1013     // colours at each class level by overriding ShouldInheritColours()
1014     if ( ShouldInheritColours() )
1015     {
1016         if ( parent->m_inheritFgCol && !m_hasFgCol )
1017             SetForegroundColour(parent->GetForegroundColour());
1018
1019         // inheriting (solid) background colour is wrong as it totally breaks
1020         // any kind of themed backgrounds
1021         //
1022         // instead, the controls should use the same background as their parent
1023         // (ideally by not drawing it at all)
1024 #if 0
1025         if ( parent->m_inheritBgCol && !m_hasBgCol )
1026             SetBackgroundColour(parent->GetBackgroundColour());
1027 #endif // 0
1028     }
1029 }
1030
1031 /* static */ wxVisualAttributes
1032 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1033 {
1034     // it is important to return valid values for all attributes from here,
1035     // GetXXX() below rely on this
1036     wxVisualAttributes attrs;
1037     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
1038     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1039     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1040
1041     return attrs;
1042 }
1043
1044 wxColour wxWindowBase::GetBackgroundColour() const
1045 {
1046     if ( !m_backgroundColour.Ok() )
1047     {
1048         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
1049
1050         // get our default background colour
1051         wxColour colBg = GetDefaultAttributes().colBg;
1052
1053         // we must return some valid colour to avoid redoing this every time
1054         // and also to avoid surprizing the applications written for older
1055         // wxWidgets versions where GetBackgroundColour() always returned
1056         // something -- so give them something even if it doesn't make sense
1057         // for this window (e.g. it has a themed background)
1058         if ( !colBg.Ok() )
1059             colBg = GetClassDefaultAttributes().colBg;
1060
1061         return colBg;
1062     }
1063     else
1064         return m_backgroundColour;
1065 }
1066
1067 wxColour wxWindowBase::GetForegroundColour() const
1068 {
1069     // logic is the same as above
1070     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
1071     {
1072         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
1073
1074         wxColour colFg = GetDefaultAttributes().colFg;
1075
1076         if ( !colFg.Ok() )
1077             colFg = GetClassDefaultAttributes().colFg;
1078
1079         return colFg;
1080     }
1081     else
1082         return m_foregroundColour;
1083 }
1084
1085 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
1086 {
1087     if ( colour == m_backgroundColour )
1088         return false;
1089
1090     m_hasBgCol = colour.Ok();
1091     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1092         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1093
1094     m_inheritBgCol = m_hasBgCol;
1095     m_backgroundColour = colour;
1096     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1097     return true;
1098 }
1099
1100 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1101 {
1102     if (colour == m_foregroundColour )
1103         return false;
1104
1105     m_hasFgCol = colour.Ok();
1106     m_inheritFgCol = m_hasFgCol;
1107     m_foregroundColour = colour;
1108     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1109     return true;
1110 }
1111
1112 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1113 {
1114     // setting an invalid cursor is ok, it means that we don't have any special
1115     // cursor
1116     if ( m_cursor == cursor )
1117     {
1118         // no change
1119         return false;
1120     }
1121
1122     m_cursor = cursor;
1123
1124     return true;
1125 }
1126
1127 wxFont wxWindowBase::GetFont() const
1128 {
1129     // logic is the same as in GetBackgroundColour()
1130     if ( !m_font.Ok() )
1131     {
1132         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1133
1134         wxFont font = GetDefaultAttributes().font;
1135         if ( !font.Ok() )
1136             font = GetClassDefaultAttributes().font;
1137
1138         return font;
1139     }
1140     else
1141         return m_font;
1142 }
1143
1144 bool wxWindowBase::SetFont(const wxFont& font)
1145 {
1146     if ( font == m_font )
1147     {
1148         // no change
1149         return false;
1150     }
1151
1152     m_font = font;
1153     m_hasFont = font.Ok();
1154     m_inheritFont = m_hasFont;
1155
1156     InvalidateBestSize();
1157
1158     return true;
1159 }
1160
1161 #if wxUSE_PALETTE
1162
1163 void wxWindowBase::SetPalette(const wxPalette& pal)
1164 {
1165     m_hasCustomPalette = true;
1166     m_palette = pal;
1167
1168     // VZ: can anyone explain me what do we do here?
1169     wxWindowDC d((wxWindow *) this);
1170     d.SetPalette(pal);
1171 }
1172
1173 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1174 {
1175     wxWindow *win = (wxWindow *)this;
1176     while ( win && !win->HasCustomPalette() )
1177     {
1178         win = win->GetParent();
1179     }
1180
1181     return win;
1182 }
1183
1184 #endif // wxUSE_PALETTE
1185
1186 #if wxUSE_CARET
1187 void wxWindowBase::SetCaret(wxCaret *caret)
1188 {
1189     if ( m_caret )
1190     {
1191         delete m_caret;
1192     }
1193
1194     m_caret = caret;
1195
1196     if ( m_caret )
1197     {
1198         wxASSERT_MSG( m_caret->GetWindow() == this,
1199                       wxT("caret should be created associated to this window") );
1200     }
1201 }
1202 #endif // wxUSE_CARET
1203
1204 #if wxUSE_VALIDATORS
1205 // ----------------------------------------------------------------------------
1206 // validators
1207 // ----------------------------------------------------------------------------
1208
1209 void wxWindowBase::SetValidator(const wxValidator& validator)
1210 {
1211     if ( m_windowValidator )
1212         delete m_windowValidator;
1213
1214     m_windowValidator = (wxValidator *)validator.Clone();
1215
1216     if ( m_windowValidator )
1217         m_windowValidator->SetWindow(this);
1218 }
1219 #endif // wxUSE_VALIDATORS
1220
1221 // ----------------------------------------------------------------------------
1222 // update region stuff
1223 // ----------------------------------------------------------------------------
1224
1225 wxRect wxWindowBase::GetUpdateClientRect() const
1226 {
1227     wxRegion rgnUpdate = GetUpdateRegion();
1228     rgnUpdate.Intersect(GetClientRect());
1229     wxRect rectUpdate = rgnUpdate.GetBox();
1230     wxPoint ptOrigin = GetClientAreaOrigin();
1231     rectUpdate.x -= ptOrigin.x;
1232     rectUpdate.y -= ptOrigin.y;
1233
1234     return rectUpdate;
1235 }
1236
1237 bool wxWindowBase::IsExposed(int x, int y) const
1238 {
1239     return m_updateRegion.Contains(x, y) != wxOutRegion;
1240 }
1241
1242 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1243 {
1244     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1245 }
1246
1247 void wxWindowBase::ClearBackground()
1248 {
1249     // wxGTK uses its own version, no need to add never used code
1250 #ifndef __WXGTK__
1251     wxClientDC dc((wxWindow *)this);
1252     wxBrush brush(GetBackgroundColour(), wxSOLID);
1253     dc.SetBackground(brush);
1254     dc.Clear();
1255 #endif // __WXGTK__
1256 }
1257
1258 // ----------------------------------------------------------------------------
1259 // find child window by id or name
1260 // ----------------------------------------------------------------------------
1261
1262 wxWindow *wxWindowBase::FindWindow(long id) const
1263 {
1264     if ( id == m_windowId )
1265         return (wxWindow *)this;
1266
1267     wxWindowBase *res = (wxWindow *)NULL;
1268     wxWindowList::compatibility_iterator node;
1269     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1270     {
1271         wxWindowBase *child = node->GetData();
1272         res = child->FindWindow( id );
1273     }
1274
1275     return (wxWindow *)res;
1276 }
1277
1278 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1279 {
1280     if ( name == m_windowName )
1281         return (wxWindow *)this;
1282
1283     wxWindowBase *res = (wxWindow *)NULL;
1284     wxWindowList::compatibility_iterator node;
1285     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1286     {
1287         wxWindow *child = node->GetData();
1288         res = child->FindWindow(name);
1289     }
1290
1291     return (wxWindow *)res;
1292 }
1293
1294
1295 // find any window by id or name or label: If parent is non-NULL, look through
1296 // children for a label or title matching the specified string. If NULL, look
1297 // through all top-level windows.
1298 //
1299 // to avoid duplicating code we reuse the same helper function but with
1300 // different comparators
1301
1302 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1303                                 const wxString& label, long id);
1304
1305 static
1306 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1307                            long WXUNUSED(id))
1308 {
1309     return win->GetLabel() == label;
1310 }
1311
1312 static
1313 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1314                           long WXUNUSED(id))
1315 {
1316     return win->GetName() == label;
1317 }
1318
1319 static
1320 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1321                         long id)
1322 {
1323     return win->GetId() == id;
1324 }
1325
1326 // recursive helper for the FindWindowByXXX() functions
1327 static
1328 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1329                                   const wxString& label,
1330                                   long id,
1331                                   wxFindWindowCmp cmp)
1332 {
1333     if ( parent )
1334     {
1335         // see if this is the one we're looking for
1336         if ( (*cmp)(parent, label, id) )
1337             return (wxWindow *)parent;
1338
1339         // It wasn't, so check all its children
1340         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1341               node;
1342               node = node->GetNext() )
1343         {
1344             // recursively check each child
1345             wxWindow *win = (wxWindow *)node->GetData();
1346             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1347             if (retwin)
1348                 return retwin;
1349         }
1350     }
1351
1352     // Not found
1353     return NULL;
1354 }
1355
1356 // helper for FindWindowByXXX()
1357 static
1358 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1359                              const wxString& label,
1360                              long id,
1361                              wxFindWindowCmp cmp)
1362 {
1363     if ( parent )
1364     {
1365         // just check parent and all its children
1366         return wxFindWindowRecursively(parent, label, id, cmp);
1367     }
1368
1369     // start at very top of wx's windows
1370     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1371           node;
1372           node = node->GetNext() )
1373     {
1374         // recursively check each window & its children
1375         wxWindow *win = node->GetData();
1376         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1377         if (retwin)
1378             return retwin;
1379     }
1380
1381     return NULL;
1382 }
1383
1384 /* static */
1385 wxWindow *
1386 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1387 {
1388     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1389 }
1390
1391 /* static */
1392 wxWindow *
1393 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1394 {
1395     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1396
1397     if ( !win )
1398     {
1399         // fall back to the label
1400         win = FindWindowByLabel(title, parent);
1401     }
1402
1403     return win;
1404 }
1405
1406 /* static */
1407 wxWindow *
1408 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1409 {
1410     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1411 }
1412
1413 // ----------------------------------------------------------------------------
1414 // dialog oriented functions
1415 // ----------------------------------------------------------------------------
1416
1417 void wxWindowBase::MakeModal(bool modal)
1418 {
1419     // Disable all other windows
1420     if ( IsTopLevel() )
1421     {
1422         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1423         while (node)
1424         {
1425             wxWindow *win = node->GetData();
1426             if (win != this)
1427                 win->Enable(!modal);
1428
1429             node = node->GetNext();
1430         }
1431     }
1432 }
1433
1434 bool wxWindowBase::Validate()
1435 {
1436 #if wxUSE_VALIDATORS
1437     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1438
1439     wxWindowList::compatibility_iterator node;
1440     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1441     {
1442         wxWindowBase *child = node->GetData();
1443         wxValidator *validator = child->GetValidator();
1444         if ( validator && !validator->Validate((wxWindow *)this) )
1445         {
1446             return false;
1447         }
1448
1449         if ( recurse && !child->Validate() )
1450         {
1451             return false;
1452         }
1453     }
1454 #endif // wxUSE_VALIDATORS
1455
1456     return true;
1457 }
1458
1459 bool wxWindowBase::TransferDataToWindow()
1460 {
1461 #if wxUSE_VALIDATORS
1462     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1463
1464     wxWindowList::compatibility_iterator node;
1465     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1466     {
1467         wxWindowBase *child = node->GetData();
1468         wxValidator *validator = child->GetValidator();
1469         if ( validator && !validator->TransferToWindow() )
1470         {
1471             wxLogWarning(_("Could not transfer data to window"));
1472 #if wxUSE_LOG
1473             wxLog::FlushActive();
1474 #endif // wxUSE_LOG
1475
1476             return false;
1477         }
1478
1479         if ( recurse )
1480         {
1481             if ( !child->TransferDataToWindow() )
1482             {
1483                 // warning already given
1484                 return false;
1485             }
1486         }
1487     }
1488 #endif // wxUSE_VALIDATORS
1489
1490     return true;
1491 }
1492
1493 bool wxWindowBase::TransferDataFromWindow()
1494 {
1495 #if wxUSE_VALIDATORS
1496     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1497
1498     wxWindowList::compatibility_iterator node;
1499     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1500     {
1501         wxWindow *child = node->GetData();
1502         wxValidator *validator = child->GetValidator();
1503         if ( validator && !validator->TransferFromWindow() )
1504         {
1505             // nop warning here because the application is supposed to give
1506             // one itself - we don't know here what might have gone wrongly
1507
1508             return false;
1509         }
1510
1511         if ( recurse )
1512         {
1513             if ( !child->TransferDataFromWindow() )
1514             {
1515                 // warning already given
1516                 return false;
1517             }
1518         }
1519     }
1520 #endif // wxUSE_VALIDATORS
1521
1522     return true;
1523 }
1524
1525 void wxWindowBase::InitDialog()
1526 {
1527     wxInitDialogEvent event(GetId());
1528     event.SetEventObject( this );
1529     GetEventHandler()->ProcessEvent(event);
1530 }
1531
1532 // ----------------------------------------------------------------------------
1533 // context-sensitive help support
1534 // ----------------------------------------------------------------------------
1535
1536 #if wxUSE_HELP
1537
1538 // associate this help text with this window
1539 void wxWindowBase::SetHelpText(const wxString& text)
1540 {
1541     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1542     if ( helpProvider )
1543     {
1544         helpProvider->AddHelp(this, text);
1545     }
1546 }
1547
1548 // associate this help text with all windows with the same id as this
1549 // one
1550 void wxWindowBase::SetHelpTextForId(const wxString& text)
1551 {
1552     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1553     if ( helpProvider )
1554     {
1555         helpProvider->AddHelp(GetId(), text);
1556     }
1557 }
1558
1559 // get the help string associated with this window (may be empty)
1560 wxString wxWindowBase::GetHelpText() const
1561 {
1562     wxString text;
1563     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1564     if ( helpProvider )
1565     {
1566         text = helpProvider->GetHelp(this);
1567     }
1568
1569     return text;
1570 }
1571
1572 // show help for this window
1573 void wxWindowBase::OnHelp(wxHelpEvent& event)
1574 {
1575     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1576     if ( helpProvider )
1577     {
1578         if ( helpProvider->ShowHelp(this) )
1579         {
1580             // skip the event.Skip() below
1581             return;
1582         }
1583     }
1584
1585     event.Skip();
1586 }
1587
1588 #endif // wxUSE_HELP
1589
1590 // ----------------------------------------------------------------------------
1591 // tooltipsroot.Replace("\\", "/");
1592 // ----------------------------------------------------------------------------
1593
1594 #if wxUSE_TOOLTIPS
1595
1596 void wxWindowBase::SetToolTip( const wxString &tip )
1597 {
1598     // don't create the new tooltip if we already have one
1599     if ( m_tooltip )
1600     {
1601         m_tooltip->SetTip( tip );
1602     }
1603     else
1604     {
1605         SetToolTip( new wxToolTip( tip ) );
1606     }
1607
1608     // setting empty tooltip text does not remove the tooltip any more - use
1609     // SetToolTip((wxToolTip *)NULL) for this
1610 }
1611
1612 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1613 {
1614     if ( m_tooltip )
1615         delete m_tooltip;
1616
1617     m_tooltip = tooltip;
1618 }
1619
1620 #endif // wxUSE_TOOLTIPS
1621
1622 // ----------------------------------------------------------------------------
1623 // constraints and sizers
1624 // ----------------------------------------------------------------------------
1625
1626 #if wxUSE_CONSTRAINTS
1627
1628 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1629 {
1630     if ( m_constraints )
1631     {
1632         UnsetConstraints(m_constraints);
1633         delete m_constraints;
1634     }
1635     m_constraints = constraints;
1636     if ( m_constraints )
1637     {
1638         // Make sure other windows know they're part of a 'meaningful relationship'
1639         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1640             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1641         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1642             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1643         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1644             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1645         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1646             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1647         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1648             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1649         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1650             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1651         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1652             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1653         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1654             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1655     }
1656 }
1657
1658 // This removes any dangling pointers to this window in other windows'
1659 // constraintsInvolvedIn lists.
1660 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1661 {
1662     if ( c )
1663     {
1664         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1665             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1666         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1667             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1668         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1669             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1670         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1671             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1672         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1673             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1674         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1675             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1676         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1677             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1678         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1679             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1680     }
1681 }
1682
1683 // Back-pointer to other windows we're involved with, so if we delete this
1684 // window, we must delete any constraints we're involved with.
1685 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1686 {
1687     if ( !m_constraintsInvolvedIn )
1688         m_constraintsInvolvedIn = new wxWindowList;
1689     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1690         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1691 }
1692
1693 // REMOVE back-pointer to other windows we're involved with.
1694 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1695 {
1696     if ( m_constraintsInvolvedIn )
1697         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1698 }
1699
1700 // Reset any constraints that mention this window
1701 void wxWindowBase::DeleteRelatedConstraints()
1702 {
1703     if ( m_constraintsInvolvedIn )
1704     {
1705         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1706         while (node)
1707         {
1708             wxWindow *win = node->GetData();
1709             wxLayoutConstraints *constr = win->GetConstraints();
1710
1711             // Reset any constraints involving this window
1712             if ( constr )
1713             {
1714                 constr->left.ResetIfWin(this);
1715                 constr->top.ResetIfWin(this);
1716                 constr->right.ResetIfWin(this);
1717                 constr->bottom.ResetIfWin(this);
1718                 constr->width.ResetIfWin(this);
1719                 constr->height.ResetIfWin(this);
1720                 constr->centreX.ResetIfWin(this);
1721                 constr->centreY.ResetIfWin(this);
1722             }
1723
1724             wxWindowList::compatibility_iterator next = node->GetNext();
1725             m_constraintsInvolvedIn->Erase(node);
1726             node = next;
1727         }
1728
1729         delete m_constraintsInvolvedIn;
1730         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1731     }
1732 }
1733
1734 #endif // wxUSE_CONSTRAINTS
1735
1736 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1737 {
1738     if ( sizer == m_windowSizer)
1739         return;
1740
1741     if ( deleteOld )
1742         delete m_windowSizer;
1743
1744     m_windowSizer = sizer;
1745
1746     SetAutoLayout( sizer != NULL );
1747 }
1748
1749 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1750 {
1751     SetSizer( sizer, deleteOld );
1752     sizer->SetSizeHints( (wxWindow*) this );
1753 }
1754
1755
1756 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1757 {
1758     // adding a window to a sizer twice is going to result in fatal and
1759     // hard to debug problems later because when deleting the second
1760     // associated wxSizerItem we're going to dereference a dangling
1761     // pointer; so try to detect this as early as possible
1762     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1763                   _T("Adding a window to the same sizer twice?") );
1764
1765     m_containingSizer = sizer;
1766 }
1767
1768 #if wxUSE_CONSTRAINTS
1769
1770 void wxWindowBase::SatisfyConstraints()
1771 {
1772     wxLayoutConstraints *constr = GetConstraints();
1773     bool wasOk = constr && constr->AreSatisfied();
1774
1775     ResetConstraints();   // Mark all constraints as unevaluated
1776
1777     int noChanges = 1;
1778
1779     // if we're a top level panel (i.e. our parent is frame/dialog), our
1780     // own constraints will never be satisfied any more unless we do it
1781     // here
1782     if ( wasOk )
1783     {
1784         while ( noChanges > 0 )
1785         {
1786             LayoutPhase1(&noChanges);
1787         }
1788     }
1789
1790     LayoutPhase2(&noChanges);
1791 }
1792
1793 #endif // wxUSE_CONSTRAINTS
1794
1795 bool wxWindowBase::Layout()
1796 {
1797     // If there is a sizer, use it instead of the constraints
1798     if ( GetSizer() )
1799     {
1800         int w, h;
1801         GetVirtualSize(&w, &h);
1802         GetSizer()->SetDimension( 0, 0, w, h );
1803     }
1804 #if wxUSE_CONSTRAINTS
1805     else
1806     {
1807         SatisfyConstraints(); // Find the right constraints values
1808         SetConstraintSizes(); // Recursively set the real window sizes
1809     }
1810 #endif
1811
1812     return true;
1813 }
1814
1815 #if wxUSE_CONSTRAINTS
1816
1817 // first phase of the constraints evaluation: set our own constraints
1818 bool wxWindowBase::LayoutPhase1(int *noChanges)
1819 {
1820     wxLayoutConstraints *constr = GetConstraints();
1821
1822     return !constr || constr->SatisfyConstraints(this, noChanges);
1823 }
1824
1825 // second phase: set the constraints for our children
1826 bool wxWindowBase::LayoutPhase2(int *noChanges)
1827 {
1828     *noChanges = 0;
1829
1830     // Layout children
1831     DoPhase(1);
1832
1833     // Layout grand children
1834     DoPhase(2);
1835
1836     return true;
1837 }
1838
1839 // Do a phase of evaluating child constraints
1840 bool wxWindowBase::DoPhase(int phase)
1841 {
1842     // the list containing the children for which the constraints are already
1843     // set correctly
1844     wxWindowList succeeded;
1845
1846     // the max number of iterations we loop before concluding that we can't set
1847     // the constraints
1848     static const int maxIterations = 500;
1849
1850     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1851     {
1852         int noChanges = 0;
1853
1854         // loop over all children setting their constraints
1855         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1856               node;
1857               node = node->GetNext() )
1858         {
1859             wxWindow *child = node->GetData();
1860             if ( child->IsTopLevel() )
1861             {
1862                 // top level children are not inside our client area
1863                 continue;
1864             }
1865
1866             if ( !child->GetConstraints() || succeeded.Find(child) )
1867             {
1868                 // this one is either already ok or nothing we can do about it
1869                 continue;
1870             }
1871
1872             int tempNoChanges = 0;
1873             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1874                                       : child->LayoutPhase2(&tempNoChanges);
1875             noChanges += tempNoChanges;
1876
1877             if ( success )
1878             {
1879                 succeeded.Append(child);
1880             }
1881         }
1882
1883         if ( !noChanges )
1884         {
1885             // constraints are set
1886             break;
1887         }
1888     }
1889
1890     return true;
1891 }
1892
1893 void wxWindowBase::ResetConstraints()
1894 {
1895     wxLayoutConstraints *constr = GetConstraints();
1896     if ( constr )
1897     {
1898         constr->left.SetDone(false);
1899         constr->top.SetDone(false);
1900         constr->right.SetDone(false);
1901         constr->bottom.SetDone(false);
1902         constr->width.SetDone(false);
1903         constr->height.SetDone(false);
1904         constr->centreX.SetDone(false);
1905         constr->centreY.SetDone(false);
1906     }
1907
1908     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1909     while (node)
1910     {
1911         wxWindow *win = node->GetData();
1912         if ( !win->IsTopLevel() )
1913             win->ResetConstraints();
1914         node = node->GetNext();
1915     }
1916 }
1917
1918 // Need to distinguish between setting the 'fake' size for windows and sizers,
1919 // and setting the real values.
1920 void wxWindowBase::SetConstraintSizes(bool recurse)
1921 {
1922     wxLayoutConstraints *constr = GetConstraints();
1923     if ( constr && constr->AreSatisfied() )
1924     {
1925         int x = constr->left.GetValue();
1926         int y = constr->top.GetValue();
1927         int w = constr->width.GetValue();
1928         int h = constr->height.GetValue();
1929
1930         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1931              (constr->height.GetRelationship() != wxAsIs) )
1932         {
1933             SetSize(x, y, w, h);
1934         }
1935         else
1936         {
1937             // If we don't want to resize this window, just move it...
1938             Move(x, y);
1939         }
1940     }
1941     else if ( constr )
1942     {
1943         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1944                    GetClassInfo()->GetClassName(),
1945                    GetName().c_str());
1946     }
1947
1948     if ( recurse )
1949     {
1950         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1951         while (node)
1952         {
1953             wxWindow *win = node->GetData();
1954             if ( !win->IsTopLevel() && win->GetConstraints() )
1955                 win->SetConstraintSizes();
1956             node = node->GetNext();
1957         }
1958     }
1959 }
1960
1961 // Only set the size/position of the constraint (if any)
1962 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1963 {
1964     wxLayoutConstraints *constr = GetConstraints();
1965     if ( constr )
1966     {
1967         if ( x != wxDefaultCoord )
1968         {
1969             constr->left.SetValue(x);
1970             constr->left.SetDone(true);
1971         }
1972         if ( y != wxDefaultCoord )
1973         {
1974             constr->top.SetValue(y);
1975             constr->top.SetDone(true);
1976         }
1977         if ( w != wxDefaultCoord )
1978         {
1979             constr->width.SetValue(w);
1980             constr->width.SetDone(true);
1981         }
1982         if ( h != wxDefaultCoord )
1983         {
1984             constr->height.SetValue(h);
1985             constr->height.SetDone(true);
1986         }
1987     }
1988 }
1989
1990 void wxWindowBase::MoveConstraint(int x, int y)
1991 {
1992     wxLayoutConstraints *constr = GetConstraints();
1993     if ( constr )
1994     {
1995         if ( x != wxDefaultCoord )
1996         {
1997             constr->left.SetValue(x);
1998             constr->left.SetDone(true);
1999         }
2000         if ( y != wxDefaultCoord )
2001         {
2002             constr->top.SetValue(y);
2003             constr->top.SetDone(true);
2004         }
2005     }
2006 }
2007
2008 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
2009 {
2010     wxLayoutConstraints *constr = GetConstraints();
2011     if ( constr )
2012     {
2013         *w = constr->width.GetValue();
2014         *h = constr->height.GetValue();
2015     }
2016     else
2017         GetSize(w, h);
2018 }
2019
2020 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
2021 {
2022     wxLayoutConstraints *constr = GetConstraints();
2023     if ( constr )
2024     {
2025         *w = constr->width.GetValue();
2026         *h = constr->height.GetValue();
2027     }
2028     else
2029         GetClientSize(w, h);
2030 }
2031
2032 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
2033 {
2034     wxLayoutConstraints *constr = GetConstraints();
2035     if ( constr )
2036     {
2037         *x = constr->left.GetValue();
2038         *y = constr->top.GetValue();
2039     }
2040     else
2041         GetPosition(x, y);
2042 }
2043
2044 #endif // wxUSE_CONSTRAINTS
2045
2046 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
2047 {
2048     // don't do it for the dialogs/frames - they float independently of their
2049     // parent
2050     if ( !IsTopLevel() )
2051     {
2052         wxWindow *parent = GetParent();
2053         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
2054         {
2055             wxPoint pt(parent->GetClientAreaOrigin());
2056             x += pt.x;
2057             y += pt.y;
2058         }
2059     }
2060 }
2061
2062 // ----------------------------------------------------------------------------
2063 // do Update UI processing for child controls
2064 // ----------------------------------------------------------------------------
2065
2066 void wxWindowBase::UpdateWindowUI(long flags)
2067 {
2068     wxUpdateUIEvent event(GetId());
2069     event.SetEventObject(this);
2070
2071     if ( GetEventHandler()->ProcessEvent(event) )
2072     {
2073         DoUpdateWindowUI(event);
2074     }
2075
2076     if (flags & wxUPDATE_UI_RECURSE)
2077     {
2078         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2079         while (node)
2080         {
2081             wxWindow* child = (wxWindow*) node->GetData();
2082             child->UpdateWindowUI(flags);
2083             node = node->GetNext();
2084         }
2085     }
2086 }
2087
2088 // do the window-specific processing after processing the update event
2089 // TODO: take specific knowledge out of this function and
2090 // put in each control's base class. Unfortunately we don't
2091 // yet have base implementation files for wxCheckBox and wxRadioButton.
2092 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2093 {
2094     if ( event.GetSetEnabled() )
2095         Enable(event.GetEnabled());
2096
2097 #if wxUSE_CONTROLS
2098     if ( event.GetSetText() )
2099     {
2100         wxControl *control = wxDynamicCastThis(wxControl);
2101         if ( control )
2102         {
2103             if ( event.GetText() != control->GetLabel() )
2104                 control->SetLabel(event.GetText());
2105         }
2106     }
2107 #endif // wxUSE_CONTROLS
2108
2109     if ( event.GetSetChecked() )
2110     {
2111 #if wxUSE_CHECKBOX
2112         wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
2113         if ( checkbox )
2114         {
2115             checkbox->SetValue(event.GetChecked());
2116         }
2117 #endif // wxUSE_CHECKBOX
2118
2119 #if wxUSE_RADIOBTN
2120         wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
2121         if ( radiobtn )
2122         {
2123             radiobtn->SetValue(event.GetChecked());
2124         }
2125 #endif // wxUSE_RADIOBTN
2126     }
2127 }
2128
2129 #if 0
2130 // call internal idle recursively
2131 // may be obsolete (wait until OnIdle scheme stabilises)
2132 void wxWindowBase::ProcessInternalIdle()
2133 {
2134     OnInternalIdle();
2135
2136     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2137     while (node)
2138     {
2139         wxWindow *child = node->GetData();
2140         child->ProcessInternalIdle();
2141         node = node->GetNext();
2142     }
2143 }
2144 #endif
2145
2146 // ----------------------------------------------------------------------------
2147 // dialog units translations
2148 // ----------------------------------------------------------------------------
2149
2150 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2151 {
2152     int charWidth = GetCharWidth();
2153     int charHeight = GetCharHeight();
2154     wxPoint pt2 = wxDefaultPosition;
2155     if (pt.x != wxDefaultCoord)
2156         pt2.x = (int) ((pt.x * 4) / charWidth);
2157     if (pt.y != wxDefaultCoord)
2158         pt2.y = (int) ((pt.y * 8) / charHeight);
2159
2160     return pt2;
2161 }
2162
2163 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2164 {
2165     int charWidth = GetCharWidth();
2166     int charHeight = GetCharHeight();
2167     wxPoint pt2 = wxDefaultPosition;
2168     if (pt.x != wxDefaultCoord)
2169         pt2.x = (int) ((pt.x * charWidth) / 4);
2170     if (pt.y != wxDefaultCoord)
2171         pt2.y = (int) ((pt.y * charHeight) / 8);
2172
2173     return pt2;
2174 }
2175
2176 // ----------------------------------------------------------------------------
2177 // event handlers
2178 // ----------------------------------------------------------------------------
2179
2180 // propagate the colour change event to the subwindows
2181 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2182 {
2183     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2184     while ( node )
2185     {
2186         // Only propagate to non-top-level windows
2187         wxWindow *win = node->GetData();
2188         if ( !win->IsTopLevel() )
2189         {
2190             wxSysColourChangedEvent event2;
2191             event.SetEventObject(win);
2192             win->GetEventHandler()->ProcessEvent(event2);
2193         }
2194
2195         node = node->GetNext();
2196     }
2197
2198     Refresh();
2199 }
2200
2201 // the default action is to populate dialog with data when it's created,
2202 // and nudge the UI into displaying itself correctly in case
2203 // we've turned the wxUpdateUIEvents frequency down low.
2204 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2205 {
2206     TransferDataToWindow();
2207
2208     // Update the UI at this point
2209     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2210 }
2211
2212 // process Ctrl-Alt-mclick
2213 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2214 {
2215 #if wxUSE_MSGDLG
2216     if ( event.ControlDown() && event.AltDown() )
2217     {
2218         // don't translate these strings
2219         wxString port;
2220
2221 #ifdef __WXUNIVERSAL__
2222         port = _T("Univ/");
2223 #endif // __WXUNIVERSAL__
2224
2225         switch ( wxGetOsVersion() )
2226         {
2227             case wxMOTIF_X:     port += _T("Motif"); break;
2228             case wxMAC:
2229             case wxMAC_DARWIN:  port += _T("Mac"); break;
2230             case wxBEOS:        port += _T("BeOS"); break;
2231             case wxGTK:
2232             case wxGTK_WIN32:
2233             case wxGTK_OS2:
2234             case wxGTK_BEOS:    port += _T("GTK"); break;
2235             case wxWINDOWS:
2236             case wxPENWINDOWS:
2237             case wxWINDOWS_NT:
2238             case wxWIN32S:
2239             case wxWIN95:
2240             case wxWIN386:      port += _T("MS Windows"); break;
2241             case wxMGL_UNIX:
2242             case wxMGL_X:
2243             case wxMGL_WIN32:
2244             case wxMGL_OS2:     port += _T("MGL"); break;
2245             case wxWINDOWS_OS2:
2246             case wxOS2_PM:      port += _T("OS/2"); break;
2247             default:            port += _T("unknown"); break;
2248         }
2249
2250         wxMessageBox(wxString::Format(
2251                                       _T(
2252                                         "       wxWidgets Library (%s port)\nVersion %u.%u.%u%s%s, compiled at %s %s\n   Copyright (c) 1995-2005 wxWidgets team"
2253                                         ),
2254                                       port.c_str(),
2255                                       wxMAJOR_VERSION,
2256                                       wxMINOR_VERSION,
2257                                       wxRELEASE_NUMBER,
2258 #if wxUSE_UNICODE
2259                                       L" (Unicode)",
2260 #else
2261                                       "",
2262 #endif
2263 #ifdef __WXDEBUG__
2264                                       _T(" Debug build"),
2265 #else
2266                                       wxEmptyString,
2267 #endif
2268                                       __TDATE__,
2269                                       __TTIME__
2270                                      ),
2271                      _T("wxWidgets information"),
2272                      wxICON_INFORMATION | wxOK,
2273                      (wxWindow *)this);
2274     }
2275     else
2276 #endif // wxUSE_MSGDLG
2277     {
2278         event.Skip();
2279     }
2280 }
2281
2282 // ----------------------------------------------------------------------------
2283 // accessibility
2284 // ----------------------------------------------------------------------------
2285
2286 #if wxUSE_ACCESSIBILITY
2287 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2288 {
2289     if (m_accessible && (accessible != m_accessible))
2290         delete m_accessible;
2291     m_accessible = accessible;
2292     if (m_accessible)
2293         m_accessible->SetWindow((wxWindow*) this);
2294 }
2295
2296 // Returns the accessible object, creating if necessary.
2297 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2298 {
2299     if (!m_accessible)
2300         m_accessible = CreateAccessible();
2301     return m_accessible;
2302 }
2303
2304 // Override to create a specific accessible object.
2305 wxAccessible* wxWindowBase::CreateAccessible()
2306 {
2307     return new wxWindowAccessible((wxWindow*) this);
2308 }
2309
2310 #endif
2311
2312 // ----------------------------------------------------------------------------
2313 // list classes implementation
2314 // ----------------------------------------------------------------------------
2315
2316 #if wxUSE_STL
2317
2318 #include <wx/listimpl.cpp>
2319 WX_DEFINE_LIST(wxWindowList);
2320
2321 #else
2322
2323 void wxWindowListNode::DeleteData()
2324 {
2325     delete (wxWindow *)GetData();
2326 }
2327
2328 #endif
2329
2330 // ----------------------------------------------------------------------------
2331 // borders
2332 // ----------------------------------------------------------------------------
2333
2334 wxBorder wxWindowBase::GetBorder(long flags) const
2335 {
2336     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2337     if ( border == wxBORDER_DEFAULT )
2338     {
2339         border = GetDefaultBorder();
2340     }
2341
2342     return border;
2343 }
2344
2345 wxBorder wxWindowBase::GetDefaultBorder() const
2346 {
2347     return wxBORDER_NONE;
2348 }
2349
2350 // ----------------------------------------------------------------------------
2351 // hit testing
2352 // ----------------------------------------------------------------------------
2353
2354 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2355 {
2356     // here we just check if the point is inside the window or not
2357
2358     // check the top and left border first
2359     bool outside = x < 0 || y < 0;
2360     if ( !outside )
2361     {
2362         // check the right and bottom borders too
2363         wxSize size = GetSize();
2364         outside = x >= size.x || y >= size.y;
2365     }
2366
2367     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2368 }
2369
2370 // ----------------------------------------------------------------------------
2371 // mouse capture
2372 // ----------------------------------------------------------------------------
2373
2374 struct WXDLLEXPORT wxWindowNext
2375 {
2376     wxWindow *win;
2377     wxWindowNext *next;
2378 } *wxWindowBase::ms_winCaptureNext = NULL;
2379
2380 void wxWindowBase::CaptureMouse()
2381 {
2382     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2383
2384     wxWindow *winOld = GetCapture();
2385     if ( winOld )
2386     {
2387         ((wxWindowBase*) winOld)->DoReleaseMouse();
2388
2389         // save it on stack
2390         wxWindowNext *item = new wxWindowNext;
2391         item->win = winOld;
2392         item->next = ms_winCaptureNext;
2393         ms_winCaptureNext = item;
2394     }
2395     //else: no mouse capture to save
2396
2397     DoCaptureMouse();
2398 }
2399
2400 void wxWindowBase::ReleaseMouse()
2401 {
2402     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2403
2404     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2405
2406     DoReleaseMouse();
2407
2408     if ( ms_winCaptureNext )
2409     {
2410         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2411
2412         wxWindowNext *item = ms_winCaptureNext;
2413         ms_winCaptureNext = item->next;
2414         delete item;
2415     }
2416     //else: stack is empty, no previous capture
2417
2418     wxLogTrace(_T("mousecapture"),
2419         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2420         GetCapture());
2421 }
2422
2423 #if wxUSE_HOTKEY
2424
2425 bool
2426 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2427                              int WXUNUSED(modifiers),
2428                              int WXUNUSED(keycode))
2429 {
2430     // not implemented
2431     return false;
2432 }
2433
2434 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2435 {
2436     // not implemented
2437     return false;
2438 }
2439
2440 #endif // wxUSE_HOTKEY
2441
2442 void wxWindowBase::SendDestroyEvent()
2443 {
2444     wxWindowDestroyEvent event;
2445     event.SetEventObject(this);
2446     event.SetId(GetId());
2447     GetEventHandler()->ProcessEvent(event);
2448 }
2449
2450 // ----------------------------------------------------------------------------
2451 // event processing
2452 // ----------------------------------------------------------------------------
2453
2454 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2455 {
2456 #if wxUSE_VALIDATORS
2457     // Can only use the validator of the window which
2458     // is receiving the event
2459     if ( event.GetEventObject() == this )
2460     {
2461         wxValidator *validator = GetValidator();
2462         if ( validator && validator->ProcessEvent(event) )
2463         {
2464             return true;
2465         }
2466     }
2467 #endif // wxUSE_VALIDATORS
2468
2469     return false;
2470 }
2471
2472 bool wxWindowBase::TryParent(wxEvent& event)
2473 {
2474     // carry on up the parent-child hierarchy if the propgation count hasn't
2475     // reached zero yet
2476     if ( event.ShouldPropagate() )
2477     {
2478         // honour the requests to stop propagation at this window: this is
2479         // used by the dialogs, for example, to prevent processing the events
2480         // from the dialog controls in the parent frame which rarely, if ever,
2481         // makes sense
2482         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2483         {
2484             wxWindow *parent = GetParent();
2485             if ( parent && !parent->IsBeingDeleted() )
2486             {
2487                 wxPropagateOnce propagateOnce(event);
2488
2489                 return parent->GetEventHandler()->ProcessEvent(event);
2490             }
2491         }
2492     }
2493
2494     return wxEvtHandler::TryParent(event);
2495 }
2496
2497 // ----------------------------------------------------------------------------
2498 // keyboard navigation
2499 // ----------------------------------------------------------------------------
2500
2501 // Navigates in the specified direction.
2502 bool wxWindowBase::Navigate(int flags)
2503 {
2504     wxNavigationKeyEvent eventNav;
2505     eventNav.SetFlags(flags);
2506     eventNav.SetEventObject(this);
2507     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2508     {
2509         return true;
2510     }
2511     return false;
2512 }
2513
2514 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2515 {
2516     // check that we're not a top level window
2517     wxCHECK_RET( GetParent(),
2518                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2519
2520     // detect the special case when we have nothing to do anyhow and when the
2521     // code below wouldn't work
2522     if ( win == this )
2523         return;
2524
2525     // find the target window in the siblings list
2526     wxWindowList& siblings = GetParent()->GetChildren();
2527     wxWindowList::compatibility_iterator i = siblings.Find(win);
2528     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2529
2530     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2531     // can't just move the node around
2532     wxWindow *self = (wxWindow *)this;
2533     siblings.DeleteObject(self);
2534     if ( move == MoveAfter )
2535     {
2536         i = i->GetNext();
2537     }
2538
2539     if ( i )
2540     {
2541         siblings.Insert(i, self);
2542     }
2543     else // MoveAfter and win was the last sibling
2544     {
2545         siblings.Append(self);
2546     }
2547 }
2548
2549 // ----------------------------------------------------------------------------
2550 // focus handling
2551 // ----------------------------------------------------------------------------
2552
2553 /*static*/ wxWindow* wxWindowBase::FindFocus()
2554 {
2555     wxWindowBase *win = DoFindFocus();
2556     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2557 }
2558
2559 // ----------------------------------------------------------------------------
2560 // global functions
2561 // ----------------------------------------------------------------------------
2562
2563 wxWindow* wxGetTopLevelParent(wxWindow *win)
2564 {
2565     while ( win && !win->IsTopLevel() )
2566          win = win->GetParent();
2567
2568     return win;
2569 }
2570
2571 #if wxUSE_ACCESSIBILITY
2572 // ----------------------------------------------------------------------------
2573 // accessible object for windows
2574 // ----------------------------------------------------------------------------
2575
2576 // Can return either a child object, or an integer
2577 // representing the child element, starting from 1.
2578 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2579 {
2580     wxASSERT( GetWindow() != NULL );
2581     if (!GetWindow())
2582         return wxACC_FAIL;
2583
2584     return wxACC_NOT_IMPLEMENTED;
2585 }
2586
2587 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2588 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2589 {
2590     wxASSERT( GetWindow() != NULL );
2591     if (!GetWindow())
2592         return wxACC_FAIL;
2593
2594     wxWindow* win = NULL;
2595     if (elementId == 0)
2596     {
2597         win = GetWindow();
2598     }
2599     else
2600     {
2601         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2602         {
2603             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2604         }
2605         else
2606             return wxACC_FAIL;
2607     }
2608     if (win)
2609     {
2610         rect = win->GetRect();
2611         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2612             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2613         return wxACC_OK;
2614     }
2615
2616     return wxACC_NOT_IMPLEMENTED;
2617 }
2618
2619 // Navigates from fromId to toId/toObject.
2620 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2621                              int* WXUNUSED(toId), wxAccessible** toObject)
2622 {
2623     wxASSERT( GetWindow() != NULL );
2624     if (!GetWindow())
2625         return wxACC_FAIL;
2626
2627     switch (navDir)
2628     {
2629     case wxNAVDIR_FIRSTCHILD:
2630         {
2631             if (GetWindow()->GetChildren().GetCount() == 0)
2632                 return wxACC_FALSE;
2633             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2634             *toObject = childWindow->GetOrCreateAccessible();
2635
2636             return wxACC_OK;
2637         }
2638     case wxNAVDIR_LASTCHILD:
2639         {
2640             if (GetWindow()->GetChildren().GetCount() == 0)
2641                 return wxACC_FALSE;
2642             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2643             *toObject = childWindow->GetOrCreateAccessible();
2644
2645             return wxACC_OK;
2646         }
2647     case wxNAVDIR_RIGHT:
2648     case wxNAVDIR_DOWN:
2649     case wxNAVDIR_NEXT:
2650         {
2651             wxWindowList::compatibility_iterator node =
2652                 wxWindowList::compatibility_iterator();
2653             if (fromId == 0)
2654             {
2655                 // Can't navigate to sibling of this window
2656                 // if we're a top-level window.
2657                 if (!GetWindow()->GetParent())
2658                     return wxACC_NOT_IMPLEMENTED;
2659
2660                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2661             }
2662             else
2663             {
2664                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2665                     node = GetWindow()->GetChildren().Item(fromId-1);
2666             }
2667
2668             if (node && node->GetNext())
2669             {
2670                 wxWindow* nextWindow = node->GetNext()->GetData();
2671                 *toObject = nextWindow->GetOrCreateAccessible();
2672                 return wxACC_OK;
2673             }
2674             else
2675                 return wxACC_FALSE;
2676         }
2677     case wxNAVDIR_LEFT:
2678     case wxNAVDIR_UP:
2679     case wxNAVDIR_PREVIOUS:
2680         {
2681             wxWindowList::compatibility_iterator node =
2682                 wxWindowList::compatibility_iterator();
2683             if (fromId == 0)
2684             {
2685                 // Can't navigate to sibling of this window
2686                 // if we're a top-level window.
2687                 if (!GetWindow()->GetParent())
2688                     return wxACC_NOT_IMPLEMENTED;
2689
2690                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2691             }
2692             else
2693             {
2694                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2695                     node = GetWindow()->GetChildren().Item(fromId-1);
2696             }
2697
2698             if (node && node->GetPrevious())
2699             {
2700                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2701                 *toObject = previousWindow->GetOrCreateAccessible();
2702                 return wxACC_OK;
2703             }
2704             else
2705                 return wxACC_FALSE;
2706         }
2707     }
2708
2709     return wxACC_NOT_IMPLEMENTED;
2710 }
2711
2712 // Gets the name of the specified object.
2713 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2714 {
2715     wxASSERT( GetWindow() != NULL );
2716     if (!GetWindow())
2717         return wxACC_FAIL;
2718
2719     wxString title;
2720
2721     // If a child, leave wxWidgets to call the function on the actual
2722     // child object.
2723     if (childId > 0)
2724         return wxACC_NOT_IMPLEMENTED;
2725
2726     // This will eventually be replaced by specialised
2727     // accessible classes, one for each kind of wxWidgets
2728     // control or window.
2729 #if wxUSE_BUTTON
2730     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2731         title = ((wxButton*) GetWindow())->GetLabel();
2732     else
2733 #endif
2734         title = GetWindow()->GetName();
2735
2736     if (!title.empty())
2737     {
2738         *name = title;
2739         return wxACC_OK;
2740     }
2741     else
2742         return wxACC_NOT_IMPLEMENTED;
2743 }
2744
2745 // Gets the number of children.
2746 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2747 {
2748     wxASSERT( GetWindow() != NULL );
2749     if (!GetWindow())
2750         return wxACC_FAIL;
2751
2752     *childId = (int) GetWindow()->GetChildren().GetCount();
2753     return wxACC_OK;
2754 }
2755
2756 // Gets the specified child (starting from 1).
2757 // If *child is NULL and return value is wxACC_OK,
2758 // this means that the child is a simple element and
2759 // not an accessible object.
2760 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2761 {
2762     wxASSERT( GetWindow() != NULL );
2763     if (!GetWindow())
2764         return wxACC_FAIL;
2765
2766     if (childId == 0)
2767     {
2768         *child = this;
2769         return wxACC_OK;
2770     }
2771
2772     if (childId > (int) GetWindow()->GetChildren().GetCount())
2773         return wxACC_FAIL;
2774
2775     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2776     *child = childWindow->GetOrCreateAccessible();
2777     if (*child)
2778         return wxACC_OK;
2779     else
2780         return wxACC_FAIL;
2781 }
2782
2783 // Gets the parent, or NULL.
2784 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2785 {
2786     wxASSERT( GetWindow() != NULL );
2787     if (!GetWindow())
2788         return wxACC_FAIL;
2789
2790     wxWindow* parentWindow = GetWindow()->GetParent();
2791     if (!parentWindow)
2792     {
2793         *parent = NULL;
2794         return wxACC_OK;
2795     }
2796     else
2797     {
2798         *parent = parentWindow->GetOrCreateAccessible();
2799         if (*parent)
2800             return wxACC_OK;
2801         else
2802             return wxACC_FAIL;
2803     }
2804 }
2805
2806 // Performs the default action. childId is 0 (the action for this object)
2807 // or > 0 (the action for a child).
2808 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2809 // window (e.g. an edit control).
2810 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2811 {
2812     wxASSERT( GetWindow() != NULL );
2813     if (!GetWindow())
2814         return wxACC_FAIL;
2815
2816     return wxACC_NOT_IMPLEMENTED;
2817 }
2818
2819 // Gets the default action for this object (0) or > 0 (the action for a child).
2820 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2821 // string if there is no action.
2822 // The retrieved string describes the action that is performed on an object,
2823 // not what the object does as a result. For example, a toolbar button that prints
2824 // a document has a default action of "Press" rather than "Prints the current document."
2825 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2826 {
2827     wxASSERT( GetWindow() != NULL );
2828     if (!GetWindow())
2829         return wxACC_FAIL;
2830
2831     return wxACC_NOT_IMPLEMENTED;
2832 }
2833
2834 // Returns the description for this object or a child.
2835 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2836 {
2837     wxASSERT( GetWindow() != NULL );
2838     if (!GetWindow())
2839         return wxACC_FAIL;
2840
2841     wxString ht(GetWindow()->GetHelpText());
2842     if (!ht.empty())
2843     {
2844         *description = ht;
2845         return wxACC_OK;
2846     }
2847     return wxACC_NOT_IMPLEMENTED;
2848 }
2849
2850 // Returns help text for this object or a child, similar to tooltip text.
2851 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2852 {
2853     wxASSERT( GetWindow() != NULL );
2854     if (!GetWindow())
2855         return wxACC_FAIL;
2856
2857     wxString ht(GetWindow()->GetHelpText());
2858     if (!ht.empty())
2859     {
2860         *helpText = ht;
2861         return wxACC_OK;
2862     }
2863     return wxACC_NOT_IMPLEMENTED;
2864 }
2865
2866 // Returns the keyboard shortcut for this object or child.
2867 // Return e.g. ALT+K
2868 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2869 {
2870     wxASSERT( GetWindow() != NULL );
2871     if (!GetWindow())
2872         return wxACC_FAIL;
2873
2874     return wxACC_NOT_IMPLEMENTED;
2875 }
2876
2877 // Returns a role constant.
2878 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2879 {
2880     wxASSERT( GetWindow() != NULL );
2881     if (!GetWindow())
2882         return wxACC_FAIL;
2883
2884     // If a child, leave wxWidgets to call the function on the actual
2885     // child object.
2886     if (childId > 0)
2887         return wxACC_NOT_IMPLEMENTED;
2888
2889     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2890         return wxACC_NOT_IMPLEMENTED;
2891 #if wxUSE_STATUSBAR
2892     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2893         return wxACC_NOT_IMPLEMENTED;
2894 #endif
2895 #if wxUSE_TOOLBAR
2896     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2897         return wxACC_NOT_IMPLEMENTED;
2898 #endif
2899
2900     //*role = wxROLE_SYSTEM_CLIENT;
2901     *role = wxROLE_SYSTEM_CLIENT;
2902     return wxACC_OK;
2903
2904     #if 0
2905     return wxACC_NOT_IMPLEMENTED;
2906     #endif
2907 }
2908
2909 // Returns a state constant.
2910 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2911 {
2912     wxASSERT( GetWindow() != NULL );
2913     if (!GetWindow())
2914         return wxACC_FAIL;
2915
2916     // If a child, leave wxWidgets to call the function on the actual
2917     // child object.
2918     if (childId > 0)
2919         return wxACC_NOT_IMPLEMENTED;
2920
2921     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2922         return wxACC_NOT_IMPLEMENTED;
2923
2924 #if wxUSE_STATUSBAR
2925     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2926         return wxACC_NOT_IMPLEMENTED;
2927 #endif
2928 #if wxUSE_TOOLBAR
2929     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2930         return wxACC_NOT_IMPLEMENTED;
2931 #endif
2932
2933     *state = 0;
2934     return wxACC_OK;
2935
2936     #if 0
2937     return wxACC_NOT_IMPLEMENTED;
2938     #endif
2939 }
2940
2941 // Returns a localized string representing the value for the object
2942 // or child.
2943 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2944 {
2945     wxASSERT( GetWindow() != NULL );
2946     if (!GetWindow())
2947         return wxACC_FAIL;
2948
2949     return wxACC_NOT_IMPLEMENTED;
2950 }
2951
2952 // Selects the object or child.
2953 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2954 {
2955     wxASSERT( GetWindow() != NULL );
2956     if (!GetWindow())
2957         return wxACC_FAIL;
2958
2959     return wxACC_NOT_IMPLEMENTED;
2960 }
2961
2962 // Gets the window with the keyboard focus.
2963 // If childId is 0 and child is NULL, no object in
2964 // this subhierarchy has the focus.
2965 // If this object has the focus, child should be 'this'.
2966 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2967 {
2968     wxASSERT( GetWindow() != NULL );
2969     if (!GetWindow())
2970         return wxACC_FAIL;
2971
2972     return wxACC_NOT_IMPLEMENTED;
2973 }
2974
2975 // Gets a variant representing the selected children
2976 // of this object.
2977 // Acceptable values:
2978 // - a null variant (IsNull() returns true)
2979 // - a list variant (GetType() == wxT("list")
2980 // - an integer representing the selected child element,
2981 //   or 0 if this object is selected (GetType() == wxT("long")
2982 // - a "void*" pointer to a wxAccessible child object
2983 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
2984 {
2985     wxASSERT( GetWindow() != NULL );
2986     if (!GetWindow())
2987         return wxACC_FAIL;
2988
2989     return wxACC_NOT_IMPLEMENTED;
2990 }
2991
2992 #endif // wxUSE_ACCESSIBILITY