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