src/common/wincmn.cpp

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