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