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         //FIXME:  wxDisplay::GetFromWindow only implemented on MSW
 442 #if wxUSE_DISPLAY && defined(__WXMSW__)
 443         int nDisplay = wxDisplay::GetFromWindow((wxWindow*)this);
 444         if(nDisplay != wxNOT_FOUND)
 445         {
 446             wxDisplay windowDisplay(nDisplay);
 447             wxRect displayRect = windowDisplay.GetGeometry();
 448             widthParent = displayRect.width;
 449             heightParent = displayRect.height;
 450         }
 451         else
 452 #endif
 453         // centre with respect to the whole screen
 454         wxDisplaySize(&widthParent, &heightParent);
 455     }
 456     else
 457     {
 458         if ( IsTopLevel() )
 459         {
 460             if(winTop)
 461                 winTop->GetRectForTopLevelChildren(&posParent.x, &posParent.y, &widthParent, &heightParent);
 462             else
 463             {
 464                 // centre on the parent
 465                 parent->GetSize(&widthParent, &heightParent);
 466
 467                 // adjust to the parents position
 468                 posParent = parent->GetPosition();
 469             }
 470         }
 471         else
 472         {
 473             // centre inside the parents client rectangle
 474             parent->GetClientSize(&widthParent, &heightParent);
 475         }
 476     }
 477
 478     int width, height;
 479     GetSize(&width, &height);
 480
 481     int xNew = wxDefaultCoord,
 482         yNew = wxDefaultCoord;
 483
 484     if ( direction & wxHORIZONTAL )
 485         xNew = (widthParent - width)/2;
 486
 487     if ( direction & wxVERTICAL )
 488         yNew = (heightParent - height)/2;
 489
 490     xNew += posParent.x;
 491     yNew += posParent.y;
 492
 493     // FIXME:  This needs to get the client display rect of the display
 494     // the window is (via wxDisplay::GetFromWindow).
 495
 496     // Base size of the visible dimensions of the display
 497     // to take into account the taskbar. And the Mac menu bar at top.
 498     wxRect clientrect = wxGetClientDisplayRect();
 499
 500     // NB: in wxMSW, negative position may not neccessary mean "out of screen",
 501     //     but it may mean that the window is placed on other than the main
 502     //     display. Therefore we only make sure centered window is on the main display
 503     //     if the parent is at least partially present here.
 504     if (posParent.x + widthParent >= 0)  // if parent is (partially) on the main display
 505     {
 506         if (xNew < clientrect.GetLeft())
 507             xNew = clientrect.GetLeft();
 508         else if (xNew + width > clientrect.GetRight())
 509             xNew = clientrect.GetRight() - width;
 510     }
 511     if (posParent.y + heightParent >= 0)  // if parent is (partially) on the main display
 512     {
 513         if (yNew + height > clientrect.GetBottom())
 514             yNew = clientrect.GetBottom() - height;
 515
 516         // Make certain that the title bar is initially visible
 517         // always, even if this would push the bottom of the
 518         // dialog off the visible area of the display
 519         if (yNew < clientrect.GetTop())
 520             yNew = clientrect.GetTop();
 521     }
 522
 523     // move the window to this position (keeping the old size but using
 524     // SetSize() and not Move() to allow xNew and/or yNew to be wxDefaultCoord)
 525     SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
 526 }
 527
 528 // fits the window around the children
 529 void wxWindowBase::Fit()
 530 {
 531     if ( GetChildren().GetCount() > 0 )
 532     {
 533         SetSize(GetBestSize());
 534     }
 535     //else: do nothing if we have no children
 536 }
 537
 538 // fits virtual size (ie. scrolled area etc.) around children
 539 void wxWindowBase::FitInside()
 540 {
 541     if ( GetChildren().GetCount() > 0 )
 542     {
 543         SetVirtualSize( GetBestVirtualSize() );
 544     }
 545 }
 546
 547 // On Mac, scrollbars are explicitly children.
 548 #ifdef __WXMAC__
 549 static bool wxHasRealChildren(const wxWindowBase* win)
 550 {
 551     int realChildCount = 0;
 552
 553     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 554           node;
 555           node = node->GetNext() )
 556     {
 557         wxWindow *win = node->GetData();
 558         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 559             realChildCount ++;
 560     }
 561     return (realChildCount > 0);
 562 }
 563 #endif
 564
 565 void wxWindowBase::InvalidateBestSize()
 566 {
 567     m_bestSizeCache = wxDefaultSize;
 568
 569     // parent's best size calculation may depend on its children's
 570     // best sizes, so let's invalidate it as well to be safe:
 571     if (m_parent)
 572         m_parent->InvalidateBestSize();
 573 }
 574
 575 // return the size best suited for the current window
 576 wxSize wxWindowBase::DoGetBestSize() const
 577 {
 578     wxSize best;
 579
 580     if ( m_windowSizer )
 581     {
 582         best = m_windowSizer->GetMinSize();
 583     }
 584 #if wxUSE_CONSTRAINTS
 585     else if ( m_constraints )
 586     {
 587         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 588
 589         // our minimal acceptable size is such that all our windows fit inside
 590         int maxX = 0,
 591             maxY = 0;
 592
 593         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 594               node;
 595               node = node->GetNext() )
 596         {
 597             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 598             if ( !c )
 599             {
 600                 // it's not normal that we have an unconstrained child, but
 601                 // what can we do about it?
 602                 continue;
 603             }
 604
 605             int x = c->right.GetValue(),
 606                 y = c->bottom.GetValue();
 607
 608             if ( x > maxX )
 609                 maxX = x;
 610
 611             if ( y > maxY )
 612                 maxY = y;
 613
 614             // TODO: we must calculate the overlaps somehow, otherwise we
 615             //       will never return a size bigger than the current one :-(
 616         }
 617
 618         best = wxSize(maxX, maxY);
 619     }
 620 #endif // wxUSE_CONSTRAINTS
 621     else if ( !GetChildren().empty()
 622 #ifdef __WXMAC__
 623               && wxHasRealChildren(this)
 624 #endif
 625               )
 626     {
 627         // our minimal acceptable size is such that all our visible child windows fit inside
 628         int maxX = 0,
 629             maxY = 0;
 630
 631         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 632               node;
 633               node = node->GetNext() )
 634         {
 635             wxWindow *win = node->GetData();
 636             if ( win->IsTopLevel()  || ( ! win->IsShown() )
 637 #if wxUSE_STATUSBAR
 638                     || wxDynamicCast(win, wxStatusBar)
 639 #endif // wxUSE_STATUSBAR
 640                )
 641             {
 642                 // dialogs and frames lie in different top level windows -
 643                 // don't deal with them here; as for the status bars, they
 644                 // don't lie in the client area at all
 645                 continue;
 646             }
 647
 648             int wx, wy, ww, wh;
 649             win->GetPosition(&wx, &wy);
 650
 651             // if the window hadn't been positioned yet, assume that it is in
 652             // the origin
 653             if ( wx == wxDefaultCoord )
 654                 wx = 0;
 655             if ( wy == wxDefaultCoord )
 656                 wy = 0;
 657
 658             win->GetSize(&ww, &wh);
 659             if ( wx + ww > maxX )
 660                 maxX = wx + ww;
 661             if ( wy + wh > maxY )
 662                 maxY = wy + wh;
 663         }
 664
 665         // for compatibility with the old versions and because it really looks
 666         // slightly more pretty like this, add a pad
 667         maxX += 7;
 668         maxY += 14;
 669
 670         best = wxSize(maxX, maxY);
 671     }
 672     else // ! has children
 673     {
 674         // For a generic window there is no natural best size - just use
 675         // either the minimum size if there is one, or the current size.
 676         // These are returned as-is, unadjusted by the client size difference.
 677         if ( GetMinSize().IsFullySpecified() )
 678             return GetMinSize();
 679         else
 680             return GetSize();
 681     }
 682
 683     // Add any difference between size and client size
 684     wxSize diff = GetSize() - GetClientSize();
 685     best.x += wxMax(0, diff.x);
 686     best.y += wxMax(0, diff.y);
 687
 688     return best;
 689 }
 690
 691
 692 wxSize wxWindowBase::GetBestFittingSize() const
 693 {
 694     // merge the best size with the min size, giving priority to the min size
 695     wxSize min = GetMinSize();
 696     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 697     {
 698         wxSize best = GetBestSize();
 699         if (min.x == wxDefaultCoord) min.x =  best.x;
 700         if (min.y == wxDefaultCoord) min.y =  best.y;
 701     }
 702     return min;
 703 }
 704
 705
 706 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 707 {
 708     // Set the min size to the size passed in.  This will usually either be
 709     // wxDefaultSize or the size passed to this window's ctor/Create function.
 710     SetMinSize(size);
 711
 712     // Merge the size with the best size if needed
 713     wxSize best = GetBestFittingSize();
 714
 715     // If the current size doesn't match then change it
 716     if (GetSize() != best)
 717         SetSize(best);
 718 }
 719
 720
 721 // by default the origin is not shifted
 722 wxPoint wxWindowBase::GetClientAreaOrigin() const
 723 {
 724     return wxPoint(0,0);
 725 }
 726
 727 // set the min/max size of the window
 728 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 729                                   int maxW, int maxH,
 730                                   int WXUNUSED(incW), int WXUNUSED(incH))
 731 {
 732     // setting min width greater than max width leads to infinite loops under
 733     // X11 and generally doesn't make any sense, so don't allow it
 734     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 735                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 736                  _T("min width/height must be less than max width/height!") );
 737
 738     m_minWidth = minW;
 739     m_maxWidth = maxW;
 740     m_minHeight = minH;
 741     m_maxHeight = maxH;
 742 }
 743
 744 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 745 {
 746     if ( m_windowVariant != variant )
 747     {
 748         m_windowVariant = variant;
 749
 750         DoSetWindowVariant(variant);
 751     }
 752 }
 753
 754 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 755 {
 756     // adjust the font height to correspond to our new variant (notice that
 757     // we're only called if something really changed)
 758     wxFont font = GetFont();
 759     int size = font.GetPointSize();
 760     switch ( variant )
 761     {
 762         case wxWINDOW_VARIANT_NORMAL:
 763             break;
 764
 765         case wxWINDOW_VARIANT_SMALL:
 766             size *= 3;
 767             size /= 4;
 768             break;
 769
 770         case wxWINDOW_VARIANT_MINI:
 771             size *= 2;
 772             size /= 3;
 773             break;
 774
 775         case wxWINDOW_VARIANT_LARGE:
 776             size *= 5;
 777             size /= 4;
 778             break;
 779
 780         default:
 781             wxFAIL_MSG(_T("unexpected window variant"));
 782             break;
 783     }
 784
 785     font.SetPointSize(size);
 786     SetFont(font);
 787 }
 788
 789 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 790                                         int maxW, int maxH )
 791 {
 792     m_minVirtualWidth = minW;
 793     m_maxVirtualWidth = maxW;
 794     m_minVirtualHeight = minH;
 795     m_maxVirtualHeight = maxH;
 796 }
 797
 798 void wxWindowBase::DoSetVirtualSize( int x, int y )
 799 {
 800     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 801         x = m_minVirtualWidth;
 802     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 803         x = m_maxVirtualWidth;
 804     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 805         y = m_minVirtualHeight;
 806     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 807         y = m_maxVirtualHeight;
 808
 809     m_virtualSize = wxSize(x, y);
 810 }
 811
 812 wxSize wxWindowBase::DoGetVirtualSize() const
 813 {
 814     if ( m_virtualSize.IsFullySpecified() )
 815         return m_virtualSize;
 816
 817     wxSize size = GetClientSize();
 818     if ( m_virtualSize.x != wxDefaultCoord )
 819         size.x = m_virtualSize.x;
 820
 821     if ( m_virtualSize.y != wxDefaultCoord )
 822         size.y = m_virtualSize.y;
 823
 824     return size;
 825 }
 826
 827 // ----------------------------------------------------------------------------
 828 // show/hide/enable/disable the window
 829 // ----------------------------------------------------------------------------
 830
 831 bool wxWindowBase::Show(bool show)
 832 {
 833     if ( show != m_isShown )
 834     {
 835         m_isShown = show;
 836
 837         return true;
 838     }
 839     else
 840     {
 841         return false;
 842     }
 843 }
 844
 845 bool wxWindowBase::Enable(bool enable)
 846 {
 847     if ( enable != m_isEnabled )
 848     {
 849         m_isEnabled = enable;
 850
 851         return true;
 852     }
 853     else
 854     {
 855         return false;
 856     }
 857 }
 858 // ----------------------------------------------------------------------------
 859 // RTTI
 860 // ----------------------------------------------------------------------------
 861
 862 bool wxWindowBase::IsTopLevel() const
 863 {
 864     return false;
 865 }
 866
 867 // ----------------------------------------------------------------------------
 868 // reparenting the window
 869 // ----------------------------------------------------------------------------
 870
 871 void wxWindowBase::AddChild(wxWindowBase *child)
 872 {
 873     wxCHECK_RET( child, wxT("can't add a NULL child") );
 874
 875     // this should never happen and it will lead to a crash later if it does
 876     // because RemoveChild() will remove only one node from the children list
 877     // and the other(s) one(s) will be left with dangling pointers in them
 878     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 879
 880     GetChildren().Append((wxWindow*)child);
 881     child->SetParent(this);
 882 }
 883
 884 void wxWindowBase::RemoveChild(wxWindowBase *child)
 885 {
 886     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 887
 888     GetChildren().DeleteObject((wxWindow *)child);
 889     child->SetParent(NULL);
 890 }
 891
 892 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 893 {
 894     wxWindow *oldParent = GetParent();
 895     if ( newParent == oldParent )
 896     {
 897         // nothing done
 898         return false;
 899     }
 900
 901     // unlink this window from the existing parent.
 902     if ( oldParent )
 903     {
 904         oldParent->RemoveChild(this);
 905     }
 906     else
 907     {
 908         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 909     }
 910
 911     // add it to the new one
 912     if ( newParent )
 913     {
 914         newParent->AddChild(this);
 915     }
 916     else
 917     {
 918         wxTopLevelWindows.Append((wxWindow *)this);
 919     }
 920
 921     return true;
 922 }
 923
 924 // ----------------------------------------------------------------------------
 925 // event handler stuff
 926 // ----------------------------------------------------------------------------
 927
 928 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 929 {
 930     wxEvtHandler *handlerOld = GetEventHandler();
 931
 932     handler->SetNextHandler(handlerOld);
 933
 934     if ( handlerOld )
 935         GetEventHandler()->SetPreviousHandler(handler);
 936
 937     SetEventHandler(handler);
 938 }
 939
 940 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 941 {
 942     wxEvtHandler *handlerA = GetEventHandler();
 943     if ( handlerA )
 944     {
 945         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 946         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 947
 948         if ( handlerB )
 949             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 950         SetEventHandler(handlerB);
 951
 952         if ( deleteHandler )
 953         {
 954             delete handlerA;
 955             handlerA = (wxEvtHandler *)NULL;
 956         }
 957     }
 958
 959     return handlerA;
 960 }
 961
 962 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 963 {
 964     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 965
 966     wxEvtHandler *handlerPrev = NULL,
 967                  *handlerCur = GetEventHandler();
 968     while ( handlerCur )
 969     {
 970         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 971
 972         if ( handlerCur == handler )
 973         {
 974             if ( handlerPrev )
 975             {
 976                 handlerPrev->SetNextHandler(handlerNext);
 977             }
 978             else
 979             {
 980                 SetEventHandler(handlerNext);
 981             }
 982
 983             if ( handlerNext )
 984             {
 985                 handlerNext->SetPreviousHandler ( handlerPrev );
 986             }
 987
 988             handler->SetNextHandler(NULL);
 989             handler->SetPreviousHandler(NULL);
 990
 991             return true;
 992         }
 993
 994         handlerPrev = handlerCur;
 995         handlerCur = handlerNext;
 996     }
 997
 998     wxFAIL_MSG( _T("where has the event handler gone?") );
 999
1000     return false;
1001 }
1002
1003 // ----------------------------------------------------------------------------
1004 // colours, fonts &c
1005 // ----------------------------------------------------------------------------
1006
1007 void wxWindowBase::InheritAttributes()
1008 {
1009     const wxWindowBase * const parent = GetParent();
1010     if ( !parent )
1011         return;
1012
1013     // we only inherit attributes which had been explicitly set for the parent
1014     // which ensures that this only happens if the user really wants it and
1015     // not by default which wouldn't make any sense in modern GUIs where the
1016     // controls don't all use the same fonts (nor colours)
1017     if ( parent->m_inheritFont && !m_hasFont )
1018         SetFont(parent->GetFont());
1019
1020     // in addition, there is a possibility to explicitly forbid inheriting
1021     // colours at each class level by overriding ShouldInheritColours()
1022     if ( ShouldInheritColours() )
1023     {
1024         if ( parent->m_inheritFgCol && !m_hasFgCol )
1025             SetForegroundColour(parent->GetForegroundColour());
1026
1027         // inheriting (solid) background colour is wrong as it totally breaks
1028         // any kind of themed backgrounds
1029         //
1030         // instead, the controls should use the same background as their parent
1031         // (ideally by not drawing it at all)
1032 #if 0
1033         if ( parent->m_inheritBgCol && !m_hasBgCol )
1034             SetBackgroundColour(parent->GetBackgroundColour());
1035 #endif // 0
1036     }
1037 }
1038
1039 /* static */ wxVisualAttributes
1040 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1041 {
1042     // it is important to return valid values for all attributes from here,
1043     // GetXXX() below rely on this
1044     wxVisualAttributes attrs;
1045     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
1046     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1047     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1048
1049     return attrs;
1050 }
1051
1052 wxColour wxWindowBase::GetBackgroundColour() const
1053 {
1054     if ( !m_backgroundColour.Ok() )
1055     {
1056         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
1057
1058         // get our default background colour
1059         wxColour colBg = GetDefaultAttributes().colBg;
1060
1061         // we must return some valid colour to avoid redoing this every time
1062         // and also to avoid surprizing the applications written for older
1063         // wxWidgets versions where GetBackgroundColour() always returned
1064         // something -- so give them something even if it doesn't make sense
1065         // for this window (e.g. it has a themed background)
1066         if ( !colBg.Ok() )
1067             colBg = GetClassDefaultAttributes().colBg;
1068
1069         return colBg;
1070     }
1071     else
1072         return m_backgroundColour;
1073 }
1074
1075 wxColour wxWindowBase::GetForegroundColour() const
1076 {
1077     // logic is the same as above
1078     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
1079     {
1080         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
1081
1082         wxColour colFg = GetDefaultAttributes().colFg;
1083
1084         if ( !colFg.Ok() )
1085             colFg = GetClassDefaultAttributes().colFg;
1086
1087         return colFg;
1088     }
1089     else
1090         return m_foregroundColour;
1091 }
1092
1093 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
1094 {
1095     if ( colour == m_backgroundColour )
1096         return false;
1097
1098     m_hasBgCol = colour.Ok();
1099     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1100         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1101
1102     m_inheritBgCol = m_hasBgCol;
1103     m_backgroundColour = colour;
1104     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1105     return true;
1106 }
1107
1108 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1109 {
1110     if (colour == m_foregroundColour )
1111         return false;
1112
1113     m_hasFgCol = colour.Ok();
1114     m_inheritFgCol = m_hasFgCol;
1115     m_foregroundColour = colour;
1116     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1117     return true;
1118 }
1119
1120 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1121 {
1122     // setting an invalid cursor is ok, it means that we don't have any special
1123     // cursor
1124     if ( m_cursor == cursor )
1125     {
1126         // no change
1127         return false;
1128     }
1129
1130     m_cursor = cursor;
1131
1132     return true;
1133 }
1134
1135 wxFont wxWindowBase::GetFont() const
1136 {
1137     // logic is the same as in GetBackgroundColour()
1138     if ( !m_font.Ok() )
1139     {
1140         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1141
1142         wxFont font = GetDefaultAttributes().font;
1143         if ( !font.Ok() )
1144             font = GetClassDefaultAttributes().font;
1145
1146         return font;
1147     }
1148     else
1149         return m_font;
1150 }
1151
1152 bool wxWindowBase::SetFont(const wxFont& font)
1153 {
1154     if ( font == m_font )
1155     {
1156         // no change
1157         return false;
1158     }
1159
1160     m_font = font;
1161     m_hasFont = font.Ok();
1162     m_inheritFont = m_hasFont;
1163
1164     InvalidateBestSize();
1165
1166     return true;
1167 }
1168
1169 #if wxUSE_PALETTE
1170
1171 void wxWindowBase::SetPalette(const wxPalette& pal)
1172 {
1173     m_hasCustomPalette = true;
1174     m_palette = pal;
1175
1176     // VZ: can anyone explain me what do we do here?
1177     wxWindowDC d((wxWindow *) this);
1178     d.SetPalette(pal);
1179 }
1180
1181 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1182 {
1183     wxWindow *win = (wxWindow *)this;
1184     while ( win && !win->HasCustomPalette() )
1185     {
1186         win = win->GetParent();
1187     }
1188
1189     return win;
1190 }
1191
1192 #endif // wxUSE_PALETTE
1193
1194 #if wxUSE_CARET
1195 void wxWindowBase::SetCaret(wxCaret *caret)
1196 {
1197     if ( m_caret )
1198     {
1199         delete m_caret;
1200     }
1201
1202     m_caret = caret;
1203
1204     if ( m_caret )
1205     {
1206         wxASSERT_MSG( m_caret->GetWindow() == this,
1207                       wxT("caret should be created associated to this window") );
1208     }
1209 }
1210 #endif // wxUSE_CARET
1211
1212 #if wxUSE_VALIDATORS
1213 // ----------------------------------------------------------------------------
1214 // validators
1215 // ----------------------------------------------------------------------------
1216
1217 void wxWindowBase::SetValidator(const wxValidator& validator)
1218 {
1219     if ( m_windowValidator )
1220         delete m_windowValidator;
1221
1222     m_windowValidator = (wxValidator *)validator.Clone();
1223
1224     if ( m_windowValidator )
1225         m_windowValidator->SetWindow(this);
1226 }
1227 #endif // wxUSE_VALIDATORS
1228
1229 // ----------------------------------------------------------------------------
1230 // update region stuff
1231 // ----------------------------------------------------------------------------
1232
1233 wxRect wxWindowBase::GetUpdateClientRect() const
1234 {
1235     wxRegion rgnUpdate = GetUpdateRegion();
1236     rgnUpdate.Intersect(GetClientRect());
1237     wxRect rectUpdate = rgnUpdate.GetBox();
1238     wxPoint ptOrigin = GetClientAreaOrigin();
1239     rectUpdate.x -= ptOrigin.x;
1240     rectUpdate.y -= ptOrigin.y;
1241
1242     return rectUpdate;
1243 }
1244
1245 bool wxWindowBase::IsExposed(int x, int y) const
1246 {
1247     return m_updateRegion.Contains(x, y) != wxOutRegion;
1248 }
1249
1250 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1251 {
1252     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1253 }
1254
1255 void wxWindowBase::ClearBackground()
1256 {
1257     // wxGTK uses its own version, no need to add never used code
1258 #ifndef __WXGTK__
1259     wxClientDC dc((wxWindow *)this);
1260     wxBrush brush(GetBackgroundColour(), wxSOLID);
1261     dc.SetBackground(brush);
1262     dc.Clear();
1263 #endif // __WXGTK__
1264 }
1265
1266 // ----------------------------------------------------------------------------
1267 // find child window by id or name
1268 // ----------------------------------------------------------------------------
1269
1270 wxWindow *wxWindowBase::FindWindow(long id) const
1271 {
1272     if ( id == m_windowId )
1273         return (wxWindow *)this;
1274
1275     wxWindowBase *res = (wxWindow *)NULL;
1276     wxWindowList::compatibility_iterator node;
1277     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1278     {
1279         wxWindowBase *child = node->GetData();
1280         res = child->FindWindow( id );
1281     }
1282
1283     return (wxWindow *)res;
1284 }
1285
1286 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1287 {
1288     if ( name == m_windowName )
1289         return (wxWindow *)this;
1290
1291     wxWindowBase *res = (wxWindow *)NULL;
1292     wxWindowList::compatibility_iterator node;
1293     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1294     {
1295         wxWindow *child = node->GetData();
1296         res = child->FindWindow(name);
1297     }
1298
1299     return (wxWindow *)res;
1300 }
1301
1302
1303 // find any window by id or name or label: If parent is non-NULL, look through
1304 // children for a label or title matching the specified string. If NULL, look
1305 // through all top-level windows.
1306 //
1307 // to avoid duplicating code we reuse the same helper function but with
1308 // different comparators
1309
1310 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1311                                 const wxString& label, long id);
1312
1313 static
1314 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1315                            long WXUNUSED(id))
1316 {
1317     return win->GetLabel() == label;
1318 }
1319
1320 static
1321 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1322                           long WXUNUSED(id))
1323 {
1324     return win->GetName() == label;
1325 }
1326
1327 static
1328 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1329                         long id)
1330 {
1331     return win->GetId() == id;
1332 }
1333
1334 // recursive helper for the FindWindowByXXX() functions
1335 static
1336 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1337                                   const wxString& label,
1338                                   long id,
1339                                   wxFindWindowCmp cmp)
1340 {
1341     if ( parent )
1342     {
1343         // see if this is the one we're looking for
1344         if ( (*cmp)(parent, label, id) )
1345             return (wxWindow *)parent;
1346
1347         // It wasn't, so check all its children
1348         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1349               node;
1350               node = node->GetNext() )
1351         {
1352             // recursively check each child
1353             wxWindow *win = (wxWindow *)node->GetData();
1354             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1355             if (retwin)
1356                 return retwin;
1357         }
1358     }
1359
1360     // Not found
1361     return NULL;
1362 }
1363
1364 // helper for FindWindowByXXX()
1365 static
1366 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1367                              const wxString& label,
1368                              long id,
1369                              wxFindWindowCmp cmp)
1370 {
1371     if ( parent )
1372     {
1373         // just check parent and all its children
1374         return wxFindWindowRecursively(parent, label, id, cmp);
1375     }
1376
1377     // start at very top of wx's windows
1378     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1379           node;
1380           node = node->GetNext() )
1381     {
1382         // recursively check each window & its children
1383         wxWindow *win = node->GetData();
1384         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1385         if (retwin)
1386             return retwin;
1387     }
1388
1389     return NULL;
1390 }
1391
1392 /* static */
1393 wxWindow *
1394 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1395 {
1396     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1397 }
1398
1399 /* static */
1400 wxWindow *
1401 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1402 {
1403     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1404
1405     if ( !win )
1406     {
1407         // fall back to the label
1408         win = FindWindowByLabel(title, parent);
1409     }
1410
1411     return win;
1412 }
1413
1414 /* static */
1415 wxWindow *
1416 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1417 {
1418     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1419 }
1420
1421 // ----------------------------------------------------------------------------
1422 // dialog oriented functions
1423 // ----------------------------------------------------------------------------
1424
1425 void wxWindowBase::MakeModal(bool modal)
1426 {
1427     // Disable all other windows
1428     if ( IsTopLevel() )
1429     {
1430         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1431         while (node)
1432         {
1433             wxWindow *win = node->GetData();
1434             if (win != this)
1435                 win->Enable(!modal);
1436
1437             node = node->GetNext();
1438         }
1439     }
1440 }
1441
1442 bool wxWindowBase::Validate()
1443 {
1444 #if wxUSE_VALIDATORS
1445     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1446
1447     wxWindowList::compatibility_iterator node;
1448     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1449     {
1450         wxWindowBase *child = node->GetData();
1451         wxValidator *validator = child->GetValidator();
1452         if ( validator && !validator->Validate((wxWindow *)this) )
1453         {
1454             return false;
1455         }
1456
1457         if ( recurse && !child->Validate() )
1458         {
1459             return false;
1460         }
1461     }
1462 #endif // wxUSE_VALIDATORS
1463
1464     return true;
1465 }
1466
1467 bool wxWindowBase::TransferDataToWindow()
1468 {
1469 #if wxUSE_VALIDATORS
1470     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1471
1472     wxWindowList::compatibility_iterator node;
1473     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1474     {
1475         wxWindowBase *child = node->GetData();
1476         wxValidator *validator = child->GetValidator();
1477         if ( validator && !validator->TransferToWindow() )
1478         {
1479             wxLogWarning(_("Could not transfer data to window"));
1480 #if wxUSE_LOG
1481             wxLog::FlushActive();
1482 #endif // wxUSE_LOG
1483
1484             return false;
1485         }
1486
1487         if ( recurse )
1488         {
1489             if ( !child->TransferDataToWindow() )
1490             {
1491                 // warning already given
1492                 return false;
1493             }
1494         }
1495     }
1496 #endif // wxUSE_VALIDATORS
1497
1498     return true;
1499 }
1500
1501 bool wxWindowBase::TransferDataFromWindow()
1502 {
1503 #if wxUSE_VALIDATORS
1504     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1505
1506     wxWindowList::compatibility_iterator node;
1507     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1508     {
1509         wxWindow *child = node->GetData();
1510         wxValidator *validator = child->GetValidator();
1511         if ( validator && !validator->TransferFromWindow() )
1512         {
1513             // nop warning here because the application is supposed to give
1514             // one itself - we don't know here what might have gone wrongly
1515
1516             return false;
1517         }
1518
1519         if ( recurse )
1520         {
1521             if ( !child->TransferDataFromWindow() )
1522             {
1523                 // warning already given
1524                 return false;
1525             }
1526         }
1527     }
1528 #endif // wxUSE_VALIDATORS
1529
1530     return true;
1531 }
1532
1533 void wxWindowBase::InitDialog()
1534 {
1535     wxInitDialogEvent event(GetId());
1536     event.SetEventObject( this );
1537     GetEventHandler()->ProcessEvent(event);
1538 }
1539
1540 // ----------------------------------------------------------------------------
1541 // context-sensitive help support
1542 // ----------------------------------------------------------------------------
1543
1544 #if wxUSE_HELP
1545
1546 // associate this help text with this window
1547 void wxWindowBase::SetHelpText(const wxString& text)
1548 {
1549     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1550     if ( helpProvider )
1551     {
1552         helpProvider->AddHelp(this, text);
1553     }
1554 }
1555
1556 // associate this help text with all windows with the same id as this
1557 // one
1558 void wxWindowBase::SetHelpTextForId(const wxString& text)
1559 {
1560     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1561     if ( helpProvider )
1562     {
1563         helpProvider->AddHelp(GetId(), text);
1564     }
1565 }
1566
1567 // get the help string associated with this window (may be empty)
1568 wxString wxWindowBase::GetHelpText() const
1569 {
1570     wxString text;
1571     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1572     if ( helpProvider )
1573     {
1574         text = helpProvider->GetHelp(this);
1575     }
1576
1577     return text;
1578 }
1579
1580 // show help for this window
1581 void wxWindowBase::OnHelp(wxHelpEvent& event)
1582 {
1583     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1584     if ( helpProvider )
1585     {
1586         if ( helpProvider->ShowHelp(this) )
1587         {
1588             // skip the event.Skip() below
1589             return;
1590         }
1591     }
1592
1593     event.Skip();
1594 }
1595
1596 #endif // wxUSE_HELP
1597
1598 // ----------------------------------------------------------------------------
1599 // tooltipsroot.Replace("\\", "/");
1600 // ----------------------------------------------------------------------------
1601
1602 #if wxUSE_TOOLTIPS
1603
1604 void wxWindowBase::SetToolTip( const wxString &tip )
1605 {
1606     // don't create the new tooltip if we already have one
1607     if ( m_tooltip )
1608     {
1609         m_tooltip->SetTip( tip );
1610     }
1611     else
1612     {
1613         SetToolTip( new wxToolTip( tip ) );
1614     }
1615
1616     // setting empty tooltip text does not remove the tooltip any more - use
1617     // SetToolTip((wxToolTip *)NULL) for this
1618 }
1619
1620 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1621 {
1622     if ( m_tooltip )
1623         delete m_tooltip;
1624
1625     m_tooltip = tooltip;
1626 }
1627
1628 #endif // wxUSE_TOOLTIPS
1629
1630 // ----------------------------------------------------------------------------
1631 // constraints and sizers
1632 // ----------------------------------------------------------------------------
1633
1634 #if wxUSE_CONSTRAINTS
1635
1636 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1637 {
1638     if ( m_constraints )
1639     {
1640         UnsetConstraints(m_constraints);
1641         delete m_constraints;
1642     }
1643     m_constraints = constraints;
1644     if ( m_constraints )
1645     {
1646         // Make sure other windows know they're part of a 'meaningful relationship'
1647         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1648             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1649         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1650             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1651         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1652             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1653         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1654             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1655         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1656             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1657         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1658             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1659         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1660             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1661         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1662             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1663     }
1664 }
1665
1666 // This removes any dangling pointers to this window in other windows'
1667 // constraintsInvolvedIn lists.
1668 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1669 {
1670     if ( c )
1671     {
1672         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1673             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1674         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1675             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1676         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1677             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1678         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1679             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1680         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1681             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1682         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1683             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1684         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1685             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1686         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1687             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1688     }
1689 }
1690
1691 // Back-pointer to other windows we're involved with, so if we delete this
1692 // window, we must delete any constraints we're involved with.
1693 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1694 {
1695     if ( !m_constraintsInvolvedIn )
1696         m_constraintsInvolvedIn = new wxWindowList;
1697     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1698         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1699 }
1700
1701 // REMOVE back-pointer to other windows we're involved with.
1702 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1703 {
1704     if ( m_constraintsInvolvedIn )
1705         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1706 }
1707
1708 // Reset any constraints that mention this window
1709 void wxWindowBase::DeleteRelatedConstraints()
1710 {
1711     if ( m_constraintsInvolvedIn )
1712     {
1713         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1714         while (node)
1715         {
1716             wxWindow *win = node->GetData();
1717             wxLayoutConstraints *constr = win->GetConstraints();
1718
1719             // Reset any constraints involving this window
1720             if ( constr )
1721             {
1722                 constr->left.ResetIfWin(this);
1723                 constr->top.ResetIfWin(this);
1724                 constr->right.ResetIfWin(this);
1725                 constr->bottom.ResetIfWin(this);
1726                 constr->width.ResetIfWin(this);
1727                 constr->height.ResetIfWin(this);
1728                 constr->centreX.ResetIfWin(this);
1729                 constr->centreY.ResetIfWin(this);
1730             }
1731
1732             wxWindowList::compatibility_iterator next = node->GetNext();
1733             m_constraintsInvolvedIn->Erase(node);
1734             node = next;
1735         }
1736
1737         delete m_constraintsInvolvedIn;
1738         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1739     }
1740 }
1741
1742 #endif // wxUSE_CONSTRAINTS
1743
1744 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1745 {
1746     if ( sizer == m_windowSizer)
1747         return;
1748
1749     if ( deleteOld )
1750         delete m_windowSizer;
1751
1752     m_windowSizer = sizer;
1753
1754     SetAutoLayout( sizer != NULL );
1755 }
1756
1757 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1758 {
1759     SetSizer( sizer, deleteOld );
1760     sizer->SetSizeHints( (wxWindow*) this );
1761 }
1762
1763
1764 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1765 {
1766     // adding a window to a sizer twice is going to result in fatal and
1767     // hard to debug problems later because when deleting the second
1768     // associated wxSizerItem we're going to dereference a dangling
1769     // pointer; so try to detect this as early as possible
1770     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1771                   _T("Adding a window to the same sizer twice?") );
1772
1773     m_containingSizer = sizer;
1774 }
1775
1776 #if wxUSE_CONSTRAINTS
1777
1778 void wxWindowBase::SatisfyConstraints()
1779 {
1780     wxLayoutConstraints *constr = GetConstraints();
1781     bool wasOk = constr && constr->AreSatisfied();
1782
1783     ResetConstraints();   // Mark all constraints as unevaluated
1784
1785     int noChanges = 1;
1786
1787     // if we're a top level panel (i.e. our parent is frame/dialog), our
1788     // own constraints will never be satisfied any more unless we do it
1789     // here
1790     if ( wasOk )
1791     {
1792         while ( noChanges > 0 )
1793         {
1794             LayoutPhase1(&noChanges);
1795         }
1796     }
1797
1798     LayoutPhase2(&noChanges);
1799 }
1800
1801 #endif // wxUSE_CONSTRAINTS
1802
1803 bool wxWindowBase::Layout()
1804 {
1805     // If there is a sizer, use it instead of the constraints
1806     if ( GetSizer() )
1807     {
1808         int w, h;
1809         GetVirtualSize(&w, &h);
1810         GetSizer()->SetDimension( 0, 0, w, h );
1811     }
1812 #if wxUSE_CONSTRAINTS
1813     else
1814     {
1815         SatisfyConstraints(); // Find the right constraints values
1816         SetConstraintSizes(); // Recursively set the real window sizes
1817     }
1818 #endif
1819
1820     return true;
1821 }
1822
1823 #if wxUSE_CONSTRAINTS
1824
1825 // first phase of the constraints evaluation: set our own constraints
1826 bool wxWindowBase::LayoutPhase1(int *noChanges)
1827 {
1828     wxLayoutConstraints *constr = GetConstraints();
1829
1830     return !constr || constr->SatisfyConstraints(this, noChanges);
1831 }
1832
1833 // second phase: set the constraints for our children
1834 bool wxWindowBase::LayoutPhase2(int *noChanges)
1835 {
1836     *noChanges = 0;
1837
1838     // Layout children
1839     DoPhase(1);
1840
1841     // Layout grand children
1842     DoPhase(2);
1843
1844     return true;
1845 }
1846
1847 // Do a phase of evaluating child constraints
1848 bool wxWindowBase::DoPhase(int phase)
1849 {
1850     // the list containing the children for which the constraints are already
1851     // set correctly
1852     wxWindowList succeeded;
1853
1854     // the max number of iterations we loop before concluding that we can't set
1855     // the constraints
1856     static const int maxIterations = 500;
1857
1858     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1859     {
1860         int noChanges = 0;
1861
1862         // loop over all children setting their constraints
1863         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1864               node;
1865               node = node->GetNext() )
1866         {
1867             wxWindow *child = node->GetData();
1868             if ( child->IsTopLevel() )
1869             {
1870                 // top level children are not inside our client area
1871                 continue;
1872             }
1873
1874             if ( !child->GetConstraints() || succeeded.Find(child) )
1875             {
1876                 // this one is either already ok or nothing we can do about it
1877                 continue;
1878             }
1879
1880             int tempNoChanges = 0;
1881             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1882                                       : child->LayoutPhase2(&tempNoChanges);
1883             noChanges += tempNoChanges;
1884
1885             if ( success )
1886             {
1887                 succeeded.Append(child);
1888             }
1889         }
1890
1891         if ( !noChanges )
1892         {
1893             // constraints are set
1894             break;
1895         }
1896     }
1897
1898     return true;
1899 }
1900
1901 void wxWindowBase::ResetConstraints()
1902 {
1903     wxLayoutConstraints *constr = GetConstraints();
1904     if ( constr )
1905     {
1906         constr->left.SetDone(false);
1907         constr->top.SetDone(false);
1908         constr->right.SetDone(false);
1909         constr->bottom.SetDone(false);
1910         constr->width.SetDone(false);
1911         constr->height.SetDone(false);
1912         constr->centreX.SetDone(false);
1913         constr->centreY.SetDone(false);
1914     }
1915
1916     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1917     while (node)
1918     {
1919         wxWindow *win = node->GetData();
1920         if ( !win->IsTopLevel() )
1921             win->ResetConstraints();
1922         node = node->GetNext();
1923     }
1924 }
1925
1926 // Need to distinguish between setting the 'fake' size for windows and sizers,
1927 // and setting the real values.
1928 void wxWindowBase::SetConstraintSizes(bool recurse)
1929 {
1930     wxLayoutConstraints *constr = GetConstraints();
1931     if ( constr && constr->AreSatisfied() )
1932     {
1933         int x = constr->left.GetValue();
1934         int y = constr->top.GetValue();
1935         int w = constr->width.GetValue();
1936         int h = constr->height.GetValue();
1937
1938         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1939              (constr->height.GetRelationship() != wxAsIs) )
1940         {
1941             SetSize(x, y, w, h);
1942         }
1943         else
1944         {
1945             // If we don't want to resize this window, just move it...
1946             Move(x, y);
1947         }
1948     }
1949     else if ( constr )
1950     {
1951         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1952                    GetClassInfo()->GetClassName(),
1953                    GetName().c_str());
1954     }
1955
1956     if ( recurse )
1957     {
1958         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1959         while (node)
1960         {
1961             wxWindow *win = node->GetData();
1962             if ( !win->IsTopLevel() && win->GetConstraints() )
1963                 win->SetConstraintSizes();
1964             node = node->GetNext();
1965         }
1966     }
1967 }
1968
1969 // Only set the size/position of the constraint (if any)
1970 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1971 {
1972     wxLayoutConstraints *constr = GetConstraints();
1973     if ( constr )
1974     {
1975         if ( x != wxDefaultCoord )
1976         {
1977             constr->left.SetValue(x);
1978             constr->left.SetDone(true);
1979         }
1980         if ( y != wxDefaultCoord )
1981         {
1982             constr->top.SetValue(y);
1983             constr->top.SetDone(true);
1984         }
1985         if ( w != wxDefaultCoord )
1986         {
1987             constr->width.SetValue(w);
1988             constr->width.SetDone(true);
1989         }
1990         if ( h != wxDefaultCoord )
1991         {
1992             constr->height.SetValue(h);
1993             constr->height.SetDone(true);
1994         }
1995     }
1996 }
1997
1998 void wxWindowBase::MoveConstraint(int x, int y)
1999 {
2000     wxLayoutConstraints *constr = GetConstraints();
2001     if ( constr )
2002     {
2003         if ( x != wxDefaultCoord )
2004         {
2005             constr->left.SetValue(x);
2006             constr->left.SetDone(true);
2007         }
2008         if ( y != wxDefaultCoord )
2009         {
2010             constr->top.SetValue(y);
2011             constr->top.SetDone(true);
2012         }
2013     }
2014 }
2015
2016 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
2017 {
2018     wxLayoutConstraints *constr = GetConstraints();
2019     if ( constr )
2020     {
2021         *w = constr->width.GetValue();
2022         *h = constr->height.GetValue();
2023     }
2024     else
2025         GetSize(w, h);
2026 }
2027
2028 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
2029 {
2030     wxLayoutConstraints *constr = GetConstraints();
2031     if ( constr )
2032     {
2033         *w = constr->width.GetValue();
2034         *h = constr->height.GetValue();
2035     }
2036     else
2037         GetClientSize(w, h);
2038 }
2039
2040 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
2041 {
2042     wxLayoutConstraints *constr = GetConstraints();
2043     if ( constr )
2044     {
2045         *x = constr->left.GetValue();
2046         *y = constr->top.GetValue();
2047     }
2048     else
2049         GetPosition(x, y);
2050 }
2051
2052 #endif // wxUSE_CONSTRAINTS
2053
2054 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
2055 {
2056     // don't do it for the dialogs/frames - they float independently of their
2057     // parent
2058     if ( !IsTopLevel() )
2059     {
2060         wxWindow *parent = GetParent();
2061         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
2062         {
2063             wxPoint pt(parent->GetClientAreaOrigin());
2064             x += pt.x;
2065             y += pt.y;
2066         }
2067     }
2068 }
2069
2070 // ----------------------------------------------------------------------------
2071 // do Update UI processing for child controls
2072 // ----------------------------------------------------------------------------
2073
2074 void wxWindowBase::UpdateWindowUI(long flags)
2075 {
2076     wxUpdateUIEvent event(GetId());
2077     event.SetEventObject(this);
2078
2079     if ( GetEventHandler()->ProcessEvent(event) )
2080     {
2081         DoUpdateWindowUI(event);
2082     }
2083
2084     if (flags & wxUPDATE_UI_RECURSE)
2085     {
2086         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2087         while (node)
2088         {
2089             wxWindow* child = (wxWindow*) node->GetData();
2090             child->UpdateWindowUI(flags);
2091             node = node->GetNext();
2092         }
2093     }
2094 }
2095
2096 // do the window-specific processing after processing the update event
2097 // TODO: take specific knowledge out of this function and
2098 // put in each control's base class. Unfortunately we don't
2099 // yet have base implementation files for wxCheckBox and wxRadioButton.
2100 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2101 {
2102     if ( event.GetSetEnabled() )
2103         Enable(event.GetEnabled());
2104
2105 #if wxUSE_CONTROLS
2106     if ( event.GetSetText() )
2107     {
2108         wxControl *control = wxDynamicCastThis(wxControl);
2109         if ( control )
2110         {
2111             if ( event.GetText() != control->GetLabel() )
2112                 control->SetLabel(event.GetText());
2113         }
2114     }
2115 #endif // wxUSE_CONTROLS
2116
2117     if ( event.GetSetChecked() )
2118     {
2119 #if wxUSE_CHECKBOX
2120         wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
2121         if ( checkbox )
2122         {
2123             checkbox->SetValue(event.GetChecked());
2124         }
2125 #endif // wxUSE_CHECKBOX
2126
2127 #if wxUSE_RADIOBTN
2128         wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
2129         if ( radiobtn )
2130         {
2131             radiobtn->SetValue(event.GetChecked());
2132         }
2133 #endif // wxUSE_RADIOBTN
2134     }
2135 }
2136
2137 #if 0
2138 // call internal idle recursively
2139 // may be obsolete (wait until OnIdle scheme stabilises)
2140 void wxWindowBase::ProcessInternalIdle()
2141 {
2142     OnInternalIdle();
2143
2144     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2145     while (node)
2146     {
2147         wxWindow *child = node->GetData();
2148         child->ProcessInternalIdle();
2149         node = node->GetNext();
2150     }
2151 }
2152 #endif
2153
2154 // ----------------------------------------------------------------------------
2155 // dialog units translations
2156 // ----------------------------------------------------------------------------
2157
2158 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2159 {
2160     int charWidth = GetCharWidth();
2161     int charHeight = GetCharHeight();
2162     wxPoint pt2 = wxDefaultPosition;
2163     if (pt.x != wxDefaultCoord)
2164         pt2.x = (int) ((pt.x * 4) / charWidth);
2165     if (pt.y != wxDefaultCoord)
2166         pt2.y = (int) ((pt.y * 8) / charHeight);
2167
2168     return pt2;
2169 }
2170
2171 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2172 {
2173     int charWidth = GetCharWidth();
2174     int charHeight = GetCharHeight();
2175     wxPoint pt2 = wxDefaultPosition;
2176     if (pt.x != wxDefaultCoord)
2177         pt2.x = (int) ((pt.x * charWidth) / 4);
2178     if (pt.y != wxDefaultCoord)
2179         pt2.y = (int) ((pt.y * charHeight) / 8);
2180
2181     return pt2;
2182 }
2183
2184 // ----------------------------------------------------------------------------
2185 // event handlers
2186 // ----------------------------------------------------------------------------
2187
2188 // propagate the colour change event to the subwindows
2189 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2190 {
2191     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2192     while ( node )
2193     {
2194         // Only propagate to non-top-level windows
2195         wxWindow *win = node->GetData();
2196         if ( !win->IsTopLevel() )
2197         {
2198             wxSysColourChangedEvent event2;
2199             event.SetEventObject(win);
2200             win->GetEventHandler()->ProcessEvent(event2);
2201         }
2202
2203         node = node->GetNext();
2204     }
2205
2206     Refresh();
2207 }
2208
2209 // the default action is to populate dialog with data when it's created,
2210 // and nudge the UI into displaying itself correctly in case
2211 // we've turned the wxUpdateUIEvents frequency down low.
2212 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2213 {
2214     TransferDataToWindow();
2215
2216     // Update the UI at this point
2217     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2218 }
2219
2220 // process Ctrl-Alt-mclick
2221 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2222 {
2223 #if wxUSE_MSGDLG
2224     if ( event.ControlDown() && event.AltDown() )
2225     {
2226         // don't translate these strings
2227         wxString port;
2228
2229 #ifdef __WXUNIVERSAL__
2230         port = _T("Univ/");
2231 #endif // __WXUNIVERSAL__
2232
2233         switch ( wxGetOsVersion() )
2234         {
2235             case wxMOTIF_X:     port += _T("Motif"); break;
2236             case wxMAC:
2237             case wxMAC_DARWIN:  port += _T("Mac"); break;
2238             case wxBEOS:        port += _T("BeOS"); break;
2239             case wxGTK:
2240             case wxGTK_WIN32:
2241             case wxGTK_OS2:
2242             case wxGTK_BEOS:    port += _T("GTK"); break;
2243             case wxWINDOWS:
2244             case wxPENWINDOWS:
2245             case wxWINDOWS_NT:
2246             case wxWIN32S:
2247             case wxWIN95:
2248             case wxWIN386:      port += _T("MS Windows"); break;
2249             case wxMGL_UNIX:
2250             case wxMGL_X:
2251             case wxMGL_WIN32:
2252             case wxMGL_OS2:     port += _T("MGL"); break;
2253             case wxWINDOWS_OS2:
2254             case wxOS2_PM:      port += _T("OS/2"); break;
2255             default:            port += _T("unknown"); break;
2256         }
2257
2258         wxMessageBox(wxString::Format(
2259                                       _T(
2260                                         "       wxWidgets Library (%s port)\nVersion %u.%u.%u%s%s, compiled at %s %s\n   Copyright (c) 1995-2005 wxWidgets team"
2261                                         ),
2262                                       port.c_str(),
2263                                       wxMAJOR_VERSION,
2264                                       wxMINOR_VERSION,
2265                                       wxRELEASE_NUMBER,
2266 #if wxUSE_UNICODE
2267                                       L" (Unicode)",
2268 #else
2269                                       "",
2270 #endif
2271 #ifdef __WXDEBUG__
2272                                       _T(" Debug build"),
2273 #else
2274                                       wxEmptyString,
2275 #endif
2276                                       __TDATE__,
2277                                       __TTIME__
2278                                      ),
2279                      _T("wxWidgets information"),
2280                      wxICON_INFORMATION | wxOK,
2281                      (wxWindow *)this);
2282     }
2283     else
2284 #endif // wxUSE_MSGDLG
2285     {
2286         event.Skip();
2287     }
2288 }
2289
2290 // ----------------------------------------------------------------------------
2291 // accessibility
2292 // ----------------------------------------------------------------------------
2293
2294 #if wxUSE_ACCESSIBILITY
2295 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2296 {
2297     if (m_accessible && (accessible != m_accessible))
2298         delete m_accessible;
2299     m_accessible = accessible;
2300     if (m_accessible)
2301         m_accessible->SetWindow((wxWindow*) this);
2302 }
2303
2304 // Returns the accessible object, creating if necessary.
2305 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2306 {
2307     if (!m_accessible)
2308         m_accessible = CreateAccessible();
2309     return m_accessible;
2310 }
2311
2312 // Override to create a specific accessible object.
2313 wxAccessible* wxWindowBase::CreateAccessible()
2314 {
2315     return new wxWindowAccessible((wxWindow*) this);
2316 }
2317
2318 #endif
2319
2320 // ----------------------------------------------------------------------------
2321 // list classes implementation
2322 // ----------------------------------------------------------------------------
2323
2324 #if wxUSE_STL
2325
2326 #include <wx/listimpl.cpp>
2327 WX_DEFINE_LIST(wxWindowList);
2328
2329 #else
2330
2331 void wxWindowListNode::DeleteData()
2332 {
2333     delete (wxWindow *)GetData();
2334 }
2335
2336 #endif
2337
2338 // ----------------------------------------------------------------------------
2339 // borders
2340 // ----------------------------------------------------------------------------
2341
2342 wxBorder wxWindowBase::GetBorder(long flags) const
2343 {
2344     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2345     if ( border == wxBORDER_DEFAULT )
2346     {
2347         border = GetDefaultBorder();
2348     }
2349
2350     return border;
2351 }
2352
2353 wxBorder wxWindowBase::GetDefaultBorder() const
2354 {
2355     return wxBORDER_NONE;
2356 }
2357
2358 // ----------------------------------------------------------------------------
2359 // hit testing
2360 // ----------------------------------------------------------------------------
2361
2362 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2363 {
2364     // here we just check if the point is inside the window or not
2365
2366     // check the top and left border first
2367     bool outside = x < 0 || y < 0;
2368     if ( !outside )
2369     {
2370         // check the right and bottom borders too
2371         wxSize size = GetSize();
2372         outside = x >= size.x || y >= size.y;
2373     }
2374
2375     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2376 }
2377
2378 // ----------------------------------------------------------------------------
2379 // mouse capture
2380 // ----------------------------------------------------------------------------
2381
2382 struct WXDLLEXPORT wxWindowNext
2383 {
2384     wxWindow *win;
2385     wxWindowNext *next;
2386 } *wxWindowBase::ms_winCaptureNext = NULL;
2387
2388 void wxWindowBase::CaptureMouse()
2389 {
2390     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2391
2392     wxWindow *winOld = GetCapture();
2393     if ( winOld )
2394     {
2395         ((wxWindowBase*) winOld)->DoReleaseMouse();
2396
2397         // save it on stack
2398         wxWindowNext *item = new wxWindowNext;
2399         item->win = winOld;
2400         item->next = ms_winCaptureNext;
2401         ms_winCaptureNext = item;
2402     }
2403     //else: no mouse capture to save
2404
2405     DoCaptureMouse();
2406 }
2407
2408 void wxWindowBase::ReleaseMouse()
2409 {
2410     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2411
2412     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2413
2414     DoReleaseMouse();
2415
2416     if ( ms_winCaptureNext )
2417     {
2418         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2419
2420         wxWindowNext *item = ms_winCaptureNext;
2421         ms_winCaptureNext = item->next;
2422         delete item;
2423     }
2424     //else: stack is empty, no previous capture
2425
2426     wxLogTrace(_T("mousecapture"),
2427         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2428         GetCapture());
2429 }
2430
2431 #if wxUSE_HOTKEY
2432
2433 bool
2434 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2435                              int WXUNUSED(modifiers),
2436                              int WXUNUSED(keycode))
2437 {
2438     // not implemented
2439     return false;
2440 }
2441
2442 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2443 {
2444     // not implemented
2445     return false;
2446 }
2447
2448 #endif // wxUSE_HOTKEY
2449
2450 void wxWindowBase::SendDestroyEvent()
2451 {
2452     wxWindowDestroyEvent event;
2453     event.SetEventObject(this);
2454     event.SetId(GetId());
2455     GetEventHandler()->ProcessEvent(event);
2456 }
2457
2458 // ----------------------------------------------------------------------------
2459 // event processing
2460 // ----------------------------------------------------------------------------
2461
2462 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2463 {
2464 #if wxUSE_VALIDATORS
2465     // Can only use the validator of the window which
2466     // is receiving the event
2467     if ( event.GetEventObject() == this )
2468     {
2469         wxValidator *validator = GetValidator();
2470         if ( validator && validator->ProcessEvent(event) )
2471         {
2472             return true;
2473         }
2474     }
2475 #endif // wxUSE_VALIDATORS
2476
2477     return false;
2478 }
2479
2480 bool wxWindowBase::TryParent(wxEvent& event)
2481 {
2482     // carry on up the parent-child hierarchy if the propgation count hasn't
2483     // reached zero yet
2484     if ( event.ShouldPropagate() )
2485     {
2486         // honour the requests to stop propagation at this window: this is
2487         // used by the dialogs, for example, to prevent processing the events
2488         // from the dialog controls in the parent frame which rarely, if ever,
2489         // makes sense
2490         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2491         {
2492             wxWindow *parent = GetParent();
2493             if ( parent && !parent->IsBeingDeleted() )
2494             {
2495                 wxPropagateOnce propagateOnce(event);
2496
2497                 return parent->GetEventHandler()->ProcessEvent(event);
2498             }
2499         }
2500     }
2501
2502     return wxEvtHandler::TryParent(event);
2503 }
2504
2505 // ----------------------------------------------------------------------------
2506 // keyboard navigation
2507 // ----------------------------------------------------------------------------
2508
2509 // Navigates in the specified direction.
2510 bool wxWindowBase::Navigate(int flags)
2511 {
2512     wxNavigationKeyEvent eventNav;
2513     eventNav.SetFlags(flags);
2514     eventNav.SetEventObject(this);
2515     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2516     {
2517         return true;
2518     }
2519     return false;
2520 }
2521
2522 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2523 {
2524     // check that we're not a top level window
2525     wxCHECK_RET( GetParent(),
2526                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2527
2528     // detect the special case when we have nothing to do anyhow and when the
2529     // code below wouldn't work
2530     if ( win == this )
2531         return;
2532
2533     // find the target window in the siblings list
2534     wxWindowList& siblings = GetParent()->GetChildren();
2535     wxWindowList::compatibility_iterator i = siblings.Find(win);
2536     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2537
2538     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2539     // can't just move the node around
2540     wxWindow *self = (wxWindow *)this;
2541     siblings.DeleteObject(self);
2542     if ( move == MoveAfter )
2543     {
2544         i = i->GetNext();
2545     }
2546
2547     if ( i )
2548     {
2549         siblings.Insert(i, self);
2550     }
2551     else // MoveAfter and win was the last sibling
2552     {
2553         siblings.Append(self);
2554     }
2555 }
2556
2557 // ----------------------------------------------------------------------------
2558 // focus handling
2559 // ----------------------------------------------------------------------------
2560
2561 /*static*/ wxWindow* wxWindowBase::FindFocus()
2562 {
2563     wxWindowBase *win = DoFindFocus();
2564     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2565 }
2566
2567 // ----------------------------------------------------------------------------
2568 // global functions
2569 // ----------------------------------------------------------------------------
2570
2571 wxWindow* wxGetTopLevelParent(wxWindow *win)
2572 {
2573     while ( win && !win->IsTopLevel() )
2574          win = win->GetParent();
2575
2576     return win;
2577 }
2578
2579 #if wxUSE_ACCESSIBILITY
2580 // ----------------------------------------------------------------------------
2581 // accessible object for windows
2582 // ----------------------------------------------------------------------------
2583
2584 // Can return either a child object, or an integer
2585 // representing the child element, starting from 1.
2586 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2587 {
2588     wxASSERT( GetWindow() != NULL );
2589     if (!GetWindow())
2590         return wxACC_FAIL;
2591
2592     return wxACC_NOT_IMPLEMENTED;
2593 }
2594
2595 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2596 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2597 {
2598     wxASSERT( GetWindow() != NULL );
2599     if (!GetWindow())
2600         return wxACC_FAIL;
2601
2602     wxWindow* win = NULL;
2603     if (elementId == 0)
2604     {
2605         win = GetWindow();
2606     }
2607     else
2608     {
2609         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2610         {
2611             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2612         }
2613         else
2614             return wxACC_FAIL;
2615     }
2616     if (win)
2617     {
2618         rect = win->GetRect();
2619         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2620             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2621         return wxACC_OK;
2622     }
2623
2624     return wxACC_NOT_IMPLEMENTED;
2625 }
2626
2627 // Navigates from fromId to toId/toObject.
2628 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2629                              int* WXUNUSED(toId), wxAccessible** toObject)
2630 {
2631     wxASSERT( GetWindow() != NULL );
2632     if (!GetWindow())
2633         return wxACC_FAIL;
2634
2635     switch (navDir)
2636     {
2637     case wxNAVDIR_FIRSTCHILD:
2638         {
2639             if (GetWindow()->GetChildren().GetCount() == 0)
2640                 return wxACC_FALSE;
2641             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2642             *toObject = childWindow->GetOrCreateAccessible();
2643
2644             return wxACC_OK;
2645         }
2646     case wxNAVDIR_LASTCHILD:
2647         {
2648             if (GetWindow()->GetChildren().GetCount() == 0)
2649                 return wxACC_FALSE;
2650             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2651             *toObject = childWindow->GetOrCreateAccessible();
2652
2653             return wxACC_OK;
2654         }
2655     case wxNAVDIR_RIGHT:
2656     case wxNAVDIR_DOWN:
2657     case wxNAVDIR_NEXT:
2658         {
2659             wxWindowList::compatibility_iterator node =
2660                 wxWindowList::compatibility_iterator();
2661             if (fromId == 0)
2662             {
2663                 // Can't navigate to sibling of this window
2664                 // if we're a top-level window.
2665                 if (!GetWindow()->GetParent())
2666                     return wxACC_NOT_IMPLEMENTED;
2667
2668                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2669             }
2670             else
2671             {
2672                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2673                     node = GetWindow()->GetChildren().Item(fromId-1);
2674             }
2675
2676             if (node && node->GetNext())
2677             {
2678                 wxWindow* nextWindow = node->GetNext()->GetData();
2679                 *toObject = nextWindow->GetOrCreateAccessible();
2680                 return wxACC_OK;
2681             }
2682             else
2683                 return wxACC_FALSE;
2684         }
2685     case wxNAVDIR_LEFT:
2686     case wxNAVDIR_UP:
2687     case wxNAVDIR_PREVIOUS:
2688         {
2689             wxWindowList::compatibility_iterator node =
2690                 wxWindowList::compatibility_iterator();
2691             if (fromId == 0)
2692             {
2693                 // Can't navigate to sibling of this window
2694                 // if we're a top-level window.
2695                 if (!GetWindow()->GetParent())
2696                     return wxACC_NOT_IMPLEMENTED;
2697
2698                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2699             }
2700             else
2701             {
2702                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2703                     node = GetWindow()->GetChildren().Item(fromId-1);
2704             }
2705
2706             if (node && node->GetPrevious())
2707             {
2708                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2709                 *toObject = previousWindow->GetOrCreateAccessible();
2710                 return wxACC_OK;
2711             }
2712             else
2713                 return wxACC_FALSE;
2714         }
2715     }
2716
2717     return wxACC_NOT_IMPLEMENTED;
2718 }
2719
2720 // Gets the name of the specified object.
2721 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2722 {
2723     wxASSERT( GetWindow() != NULL );
2724     if (!GetWindow())
2725         return wxACC_FAIL;
2726
2727     wxString title;
2728
2729     // If a child, leave wxWidgets to call the function on the actual
2730     // child object.
2731     if (childId > 0)
2732         return wxACC_NOT_IMPLEMENTED;
2733
2734     // This will eventually be replaced by specialised
2735     // accessible classes, one for each kind of wxWidgets
2736     // control or window.
2737 #if wxUSE_BUTTON
2738     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2739         title = ((wxButton*) GetWindow())->GetLabel();
2740     else
2741 #endif
2742         title = GetWindow()->GetName();
2743
2744     if (!title.empty())
2745     {
2746         *name = title;
2747         return wxACC_OK;
2748     }
2749     else
2750         return wxACC_NOT_IMPLEMENTED;
2751 }
2752
2753 // Gets the number of children.
2754 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2755 {
2756     wxASSERT( GetWindow() != NULL );
2757     if (!GetWindow())
2758         return wxACC_FAIL;
2759
2760     *childId = (int) GetWindow()->GetChildren().GetCount();
2761     return wxACC_OK;
2762 }
2763
2764 // Gets the specified child (starting from 1).
2765 // If *child is NULL and return value is wxACC_OK,
2766 // this means that the child is a simple element and
2767 // not an accessible object.
2768 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2769 {
2770     wxASSERT( GetWindow() != NULL );
2771     if (!GetWindow())
2772         return wxACC_FAIL;
2773
2774     if (childId == 0)
2775     {
2776         *child = this;
2777         return wxACC_OK;
2778     }
2779
2780     if (childId > (int) GetWindow()->GetChildren().GetCount())
2781         return wxACC_FAIL;
2782
2783     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2784     *child = childWindow->GetOrCreateAccessible();
2785     if (*child)
2786         return wxACC_OK;
2787     else
2788         return wxACC_FAIL;
2789 }
2790
2791 // Gets the parent, or NULL.
2792 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2793 {
2794     wxASSERT( GetWindow() != NULL );
2795     if (!GetWindow())
2796         return wxACC_FAIL;
2797
2798     wxWindow* parentWindow = GetWindow()->GetParent();
2799     if (!parentWindow)
2800     {
2801         *parent = NULL;
2802         return wxACC_OK;
2803     }
2804     else
2805     {
2806         *parent = parentWindow->GetOrCreateAccessible();
2807         if (*parent)
2808             return wxACC_OK;
2809         else
2810             return wxACC_FAIL;
2811     }
2812 }
2813
2814 // Performs the default action. childId is 0 (the action for this object)
2815 // or > 0 (the action for a child).
2816 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2817 // window (e.g. an edit control).
2818 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2819 {
2820     wxASSERT( GetWindow() != NULL );
2821     if (!GetWindow())
2822         return wxACC_FAIL;
2823
2824     return wxACC_NOT_IMPLEMENTED;
2825 }
2826
2827 // Gets the default action for this object (0) or > 0 (the action for a child).
2828 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2829 // string if there is no action.
2830 // The retrieved string describes the action that is performed on an object,
2831 // not what the object does as a result. For example, a toolbar button that prints
2832 // a document has a default action of "Press" rather than "Prints the current document."
2833 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2834 {
2835     wxASSERT( GetWindow() != NULL );
2836     if (!GetWindow())
2837         return wxACC_FAIL;
2838
2839     return wxACC_NOT_IMPLEMENTED;
2840 }
2841
2842 // Returns the description for this object or a child.
2843 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2844 {
2845     wxASSERT( GetWindow() != NULL );
2846     if (!GetWindow())
2847         return wxACC_FAIL;
2848
2849     wxString ht(GetWindow()->GetHelpText());
2850     if (!ht.empty())
2851     {
2852         *description = ht;
2853         return wxACC_OK;
2854     }
2855     return wxACC_NOT_IMPLEMENTED;
2856 }
2857
2858 // Returns help text for this object or a child, similar to tooltip text.
2859 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2860 {
2861     wxASSERT( GetWindow() != NULL );
2862     if (!GetWindow())
2863         return wxACC_FAIL;
2864
2865     wxString ht(GetWindow()->GetHelpText());
2866     if (!ht.empty())
2867     {
2868         *helpText = ht;
2869         return wxACC_OK;
2870     }
2871     return wxACC_NOT_IMPLEMENTED;
2872 }
2873
2874 // Returns the keyboard shortcut for this object or child.
2875 // Return e.g. ALT+K
2876 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2877 {
2878     wxASSERT( GetWindow() != NULL );
2879     if (!GetWindow())
2880         return wxACC_FAIL;
2881
2882     return wxACC_NOT_IMPLEMENTED;
2883 }
2884
2885 // Returns a role constant.
2886 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2887 {
2888     wxASSERT( GetWindow() != NULL );
2889     if (!GetWindow())
2890         return wxACC_FAIL;
2891
2892     // If a child, leave wxWidgets to call the function on the actual
2893     // child object.
2894     if (childId > 0)
2895         return wxACC_NOT_IMPLEMENTED;
2896
2897     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2898         return wxACC_NOT_IMPLEMENTED;
2899 #if wxUSE_STATUSBAR
2900     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2901         return wxACC_NOT_IMPLEMENTED;
2902 #endif
2903 #if wxUSE_TOOLBAR
2904     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2905         return wxACC_NOT_IMPLEMENTED;
2906 #endif
2907
2908     //*role = wxROLE_SYSTEM_CLIENT;
2909     *role = wxROLE_SYSTEM_CLIENT;
2910     return wxACC_OK;
2911
2912     #if 0
2913     return wxACC_NOT_IMPLEMENTED;
2914     #endif
2915 }
2916
2917 // Returns a state constant.
2918 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2919 {
2920     wxASSERT( GetWindow() != NULL );
2921     if (!GetWindow())
2922         return wxACC_FAIL;
2923
2924     // If a child, leave wxWidgets to call the function on the actual
2925     // child object.
2926     if (childId > 0)
2927         return wxACC_NOT_IMPLEMENTED;
2928
2929     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2930         return wxACC_NOT_IMPLEMENTED;
2931
2932 #if wxUSE_STATUSBAR
2933     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2934         return wxACC_NOT_IMPLEMENTED;
2935 #endif
2936 #if wxUSE_TOOLBAR
2937     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2938         return wxACC_NOT_IMPLEMENTED;
2939 #endif
2940
2941     *state = 0;
2942     return wxACC_OK;
2943
2944     #if 0
2945     return wxACC_NOT_IMPLEMENTED;
2946     #endif
2947 }
2948
2949 // Returns a localized string representing the value for the object
2950 // or child.
2951 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2952 {
2953     wxASSERT( GetWindow() != NULL );
2954     if (!GetWindow())
2955         return wxACC_FAIL;
2956
2957     return wxACC_NOT_IMPLEMENTED;
2958 }
2959
2960 // Selects the object or child.
2961 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2962 {
2963     wxASSERT( GetWindow() != NULL );
2964     if (!GetWindow())
2965         return wxACC_FAIL;
2966
2967     return wxACC_NOT_IMPLEMENTED;
2968 }
2969
2970 // Gets the window with the keyboard focus.
2971 // If childId is 0 and child is NULL, no object in
2972 // this subhierarchy has the focus.
2973 // If this object has the focus, child should be 'this'.
2974 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2975 {
2976     wxASSERT( GetWindow() != NULL );
2977     if (!GetWindow())
2978         return wxACC_FAIL;
2979
2980     return wxACC_NOT_IMPLEMENTED;
2981 }
2982
2983 // Gets a variant representing the selected children
2984 // of this object.
2985 // Acceptable values:
2986 // - a null variant (IsNull() returns true)
2987 // - a list variant (GetType() == wxT("list")
2988 // - an integer representing the selected child element,
2989 //   or 0 if this object is selected (GetType() == wxT("long")
2990 // - a "void*" pointer to a wxAccessible child object
2991 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
2992 {
2993     wxASSERT( GetWindow() != NULL );
2994     if (!GetWindow())
2995         return wxACC_FAIL;
2996
2997     return wxACC_NOT_IMPLEMENTED;
2998 }
2999
3000 #endif // wxUSE_ACCESSIBILITY