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