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/window.h"
  33     #include "wx/control.h"
  34     #include "wx/checkbox.h"
  35     #include "wx/radiobut.h"
  36     #include "wx/statbox.h"
  37     #include "wx/textctrl.h"
  38     #include "wx/settings.h"
  39     #include "wx/dialog.h"
  40     #include "wx/msgdlg.h"
  41     #include "wx/statusbr.h"
  42     #include "wx/toolbar.h"
  43     #include "wx/dcclient.h"
  44     #include "wx/scrolbar.h"
  45     #include "wx/layout.h"
  46     #include "wx/sizer.h"
  47 #endif //WX_PRECOMP
  48
  49 #if wxUSE_DRAG_AND_DROP
  50     #include "wx/dnd.h"
  51 #endif // wxUSE_DRAG_AND_DROP
  52
  53 #if wxUSE_ACCESSIBILITY
  54     #include "wx/access.h"
  55 #endif
  56
  57 #if wxUSE_HELP
  58     #include "wx/cshelp.h"
  59 #endif // wxUSE_HELP
  60
  61 #if wxUSE_TOOLTIPS
  62     #include "wx/tooltip.h"
  63 #endif // wxUSE_TOOLTIPS
  64
  65 #if wxUSE_CARET
  66     #include "wx/caret.h"
  67 #endif // wxUSE_CARET
  68
  69 #if wxUSE_SYSTEM_OPTIONS
  70     #include "wx/sysopt.h"
  71 #endif
  72
  73 // For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
  74 // The gtk includes don't pull any other headers in, at least not on my system - MR
  75 #ifdef __WXGTK__
  76     #ifdef __WXGTK20__
  77         #include <gtk/gtkversion.h>
  78     #else
  79         #include <gtk/gtkfeatures.h>
  80     #endif
  81     extern const unsigned int gtk_major_version;
  82     extern const unsigned int gtk_minor_version;
  83     extern const unsigned int gtk_micro_version;
  84 #endif
  85
  86 // Windows List
  87 WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
  88
  89 // ----------------------------------------------------------------------------
  90 // static data
  91 // ----------------------------------------------------------------------------
  92
  93 #if defined(__WXPALMOS__)
  94 int wxWindowBase::ms_lastControlId = 32767;
  95 #elif defined(__WXPM__)
  96 int wxWindowBase::ms_lastControlId = 2000;
  97 #else
  98 int wxWindowBase::ms_lastControlId = -200;
  99 #endif
 100
 101 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 102
 103 // ----------------------------------------------------------------------------
 104 // event table
 105 // ----------------------------------------------------------------------------
 106
 107 BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
 108     EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
 109     EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
 110     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
 111
 112 #if wxUSE_HELP
 113     EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
 114 #endif // wxUSE_HELP
 115
 116 END_EVENT_TABLE()
 117
 118 // ============================================================================
 119 // implementation of the common functionality of the wxWindow class
 120 // ============================================================================
 121
 122 // ----------------------------------------------------------------------------
 123 // initialization
 124 // ----------------------------------------------------------------------------
 125
 126 // the default initialization
 127 wxWindowBase::wxWindowBase()
 128 {
 129     // no window yet, no parent nor children
 130     m_parent = (wxWindow *)NULL;
 131     m_windowId = wxID_ANY;
 132
 133     // no constraints on the minimal window size
 134     m_minWidth =
 135     m_maxWidth = wxDefaultCoord;
 136     m_minHeight =
 137     m_maxHeight = wxDefaultCoord;
 138
 139     // invalidiated cache value
 140     m_bestSizeCache = wxDefaultSize;
 141
 142     // window are created enabled and visible by default
 143     m_isShown =
 144     m_isEnabled = true;
 145
 146     // the default event handler is just this window
 147     m_eventHandler = this;
 148
 149 #if wxUSE_VALIDATORS
 150     // no validator
 151     m_windowValidator = (wxValidator *) NULL;
 152 #endif // wxUSE_VALIDATORS
 153
 154     // the colours/fonts are default for now, so leave m_font,
 155     // m_backgroundColour and m_foregroundColour uninitialized and set those
 156     m_hasBgCol =
 157     m_hasFgCol =
 158     m_hasFont = false;
 159     m_inheritBgCol =
 160     m_inheritFgCol =
 161     m_inheritFont = false;
 162
 163     // no style bits
 164     m_exStyle =
 165     m_windowStyle = 0;
 166
 167     m_backgroundStyle = wxBG_STYLE_SYSTEM;
 168
 169 #if wxUSE_CONSTRAINTS
 170     // no constraints whatsoever
 171     m_constraints = (wxLayoutConstraints *) NULL;
 172     m_constraintsInvolvedIn = (wxWindowList *) NULL;
 173 #endif // wxUSE_CONSTRAINTS
 174
 175     m_windowSizer = (wxSizer *) NULL;
 176     m_containingSizer = (wxSizer *) NULL;
 177     m_autoLayout = false;
 178
 179 #if wxUSE_DRAG_AND_DROP
 180     m_dropTarget = (wxDropTarget *)NULL;
 181 #endif // wxUSE_DRAG_AND_DROP
 182
 183 #if wxUSE_TOOLTIPS
 184     m_tooltip = (wxToolTip *)NULL;
 185 #endif // wxUSE_TOOLTIPS
 186
 187 #if wxUSE_CARET
 188     m_caret = (wxCaret *)NULL;
 189 #endif // wxUSE_CARET
 190
 191 #if wxUSE_PALETTE
 192     m_hasCustomPalette = false;
 193 #endif // wxUSE_PALETTE
 194
 195 #if wxUSE_ACCESSIBILITY
 196     m_accessible = NULL;
 197 #endif
 198
 199     m_virtualSize = wxDefaultSize;
 200
 201     m_minVirtualWidth =
 202     m_maxVirtualWidth = wxDefaultCoord;
 203     m_minVirtualHeight =
 204     m_maxVirtualHeight = wxDefaultCoord;
 205
 206     m_windowVariant = wxWINDOW_VARIANT_NORMAL;
 207 #if wxUSE_SYSTEM_OPTIONS
 208     if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
 209     {
 210        m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
 211     }
 212 #endif
 213
 214     // Whether we're using the current theme for this window (wxGTK only for now)
 215     m_themeEnabled = false;
 216
 217     // VZ: this one shouldn't exist...
 218     m_isBeingDeleted = false;
 219 }
 220
 221 // common part of window creation process
 222 bool wxWindowBase::CreateBase(wxWindowBase *parent,
 223                               wxWindowID id,
 224                               const wxPoint& WXUNUSED(pos),
 225                               const wxSize& WXUNUSED(size),
 226                               long style,
 227                               const wxValidator& wxVALIDATOR_PARAM(validator),
 228                               const wxString& name)
 229 {
 230 #if wxUSE_STATBOX
 231     // wxGTK doesn't allow to create controls with static box as the parent so
 232     // this will result in a crash when the program is ported to wxGTK so warn
 233     // the user about it
 234
 235     // if you get this assert, the correct solution is to create the controls
 236     // as siblings of the static box
 237     wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
 238                   _T("wxStaticBox can't be used as a window parent!") );
 239 #endif // wxUSE_STATBOX
 240
 241     // ids are limited to 16 bits under MSW so if you care about portability,
 242     // it's not a good idea to use ids out of this range (and negative ids are
 243     // reserved for wxWidgets own usage)
 244     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
 245                   _T("invalid id value") );
 246
 247     // generate a new id if the user doesn't care about it
 248     m_windowId = id == wxID_ANY ? NewControlId() : id;
 249
 250     SetName(name);
 251     SetWindowStyleFlag(style);
 252     SetParent(parent);
 253
 254 #if wxUSE_VALIDATORS
 255     SetValidator(validator);
 256 #endif // wxUSE_VALIDATORS
 257
 258     // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
 259     // have it too - like this it's possible to set it only in the top level
 260     // dialog/frame and all children will inherit it by defult
 261     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
 262     {
 263         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
 264     }
 265
 266     return true;
 267 }
 268
 269 // ----------------------------------------------------------------------------
 270 // destruction
 271 // ----------------------------------------------------------------------------
 272
 273 // common clean up
 274 wxWindowBase::~wxWindowBase()
 275 {
 276     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 277
 278     // FIXME if these 2 cases result from programming errors in the user code
 279     //       we should probably assert here instead of silently fixing them
 280
 281     // Just in case the window has been Closed, but we're then deleting
 282     // immediately: don't leave dangling pointers.
 283     wxPendingDelete.DeleteObject(this);
 284
 285     // Just in case we've loaded a top-level window via LoadNativeDialog but
 286     // we weren't a dialog class
 287     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 288
 289     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 290
 291     // reset the dangling pointer our parent window may keep to us
 292     if ( m_parent )
 293     {
 294         if ( m_parent->GetDefaultItem() == this )
 295         {
 296             m_parent->SetDefaultItem(NULL);
 297         }
 298
 299         m_parent->RemoveChild(this);
 300     }
 301
 302 #if wxUSE_CARET
 303     delete m_caret;
 304 #endif // wxUSE_CARET
 305
 306 #if wxUSE_VALIDATORS
 307     delete m_windowValidator;
 308 #endif // wxUSE_VALIDATORS
 309
 310 #if wxUSE_CONSTRAINTS
 311     // Have to delete constraints/sizer FIRST otherwise sizers may try to look
 312     // at deleted windows as they delete themselves.
 313     DeleteRelatedConstraints();
 314
 315     if ( m_constraints )
 316     {
 317         // This removes any dangling pointers to this window in other windows'
 318         // constraintsInvolvedIn lists.
 319         UnsetConstraints(m_constraints);
 320         delete m_constraints;
 321         m_constraints = NULL;
 322     }
 323 #endif // wxUSE_CONSTRAINTS
 324
 325     if ( m_containingSizer )
 326         m_containingSizer->Detach( (wxWindow*)this );
 327
 328     delete m_windowSizer;
 329
 330 #if wxUSE_DRAG_AND_DROP
 331     delete m_dropTarget;
 332 #endif // wxUSE_DRAG_AND_DROP
 333
 334 #if wxUSE_TOOLTIPS
 335     delete m_tooltip;
 336 #endif // wxUSE_TOOLTIPS
 337
 338 #if wxUSE_ACCESSIBILITY
 339     delete m_accessible;
 340 #endif
 341 }
 342
 343 bool wxWindowBase::Destroy()
 344 {
 345     delete this;
 346
 347     return true;
 348 }
 349
 350 bool wxWindowBase::Close(bool force)
 351 {
 352     wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
 353     event.SetEventObject(this);
 354     event.SetCanVeto(!force);
 355
 356     // return false if window wasn't closed because the application vetoed the
 357     // close event
 358     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 359 }
 360
 361 bool wxWindowBase::DestroyChildren()
 362 {
 363     wxWindowList::compatibility_iterator node;
 364     for ( ;; )
 365     {
 366         // we iterate until the list becomes empty
 367         node = GetChildren().GetFirst();
 368         if ( !node )
 369             break;
 370
 371         wxWindow *child = node->GetData();
 372
 373         // note that we really want to call delete and not ->Destroy() here
 374         // because we want to delete the child immediately, before we are
 375         // deleted, and delayed deletion would result in problems as our (top
 376         // level) child could outlive its parent
 377         delete child;
 378
 379         wxASSERT_MSG( !GetChildren().Find(child),
 380                       wxT("child didn't remove itself using RemoveChild()") );
 381     }
 382
 383     return true;
 384 }
 385
 386 // ----------------------------------------------------------------------------
 387 // size/position related methods
 388 // ----------------------------------------------------------------------------
 389
 390 // centre the window with respect to its parent in either (or both) directions
 391 void wxWindowBase::DoCentre(int dir)
 392 {
 393     wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
 394                  _T("this method only implements centering child windows") );
 395
 396     SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
 397 }
 398
 399 // fits the window around the children
 400 void wxWindowBase::Fit()
 401 {
 402     if ( !GetChildren().empty() )
 403     {
 404         SetClientSize(GetBestSize());
 405     }
 406     //else: do nothing if we have no children
 407 }
 408
 409 // fits virtual size (ie. scrolled area etc.) around children
 410 void wxWindowBase::FitInside()
 411 {
 412     if ( GetChildren().GetCount() > 0 )
 413     {
 414         SetVirtualSize( GetBestVirtualSize() );
 415     }
 416 }
 417
 418 // On Mac, scrollbars are explicitly children.
 419 #ifdef __WXMAC__
 420 static bool wxHasRealChildren(const wxWindowBase* win)
 421 {
 422     int realChildCount = 0;
 423
 424     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 425           node;
 426           node = node->GetNext() )
 427     {
 428         wxWindow *win = node->GetData();
 429         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 430             realChildCount ++;
 431     }
 432     return (realChildCount > 0);
 433 }
 434 #endif
 435
 436 void wxWindowBase::InvalidateBestSize()
 437 {
 438     m_bestSizeCache = wxDefaultSize;
 439
 440     // parent's best size calculation may depend on its children's
 441     // as long as child window we are in is not top level window itself
 442     // (because the TLW size is never resized automatically)
 443     // so let's invalidate it as well to be safe:
 444     if (m_parent && !IsTopLevel())
 445         m_parent->InvalidateBestSize();
 446 }
 447
 448 // return the size best suited for the current window
 449 wxSize wxWindowBase::DoGetBestSize() const
 450 {
 451     wxSize best;
 452
 453     if ( m_windowSizer )
 454     {
 455         best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
 456     }
 457 #if wxUSE_CONSTRAINTS
 458     else if ( m_constraints )
 459     {
 460         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 461
 462         // our minimal acceptable size is such that all our windows fit inside
 463         int maxX = 0,
 464             maxY = 0;
 465
 466         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 467               node;
 468               node = node->GetNext() )
 469         {
 470             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 471             if ( !c )
 472             {
 473                 // it's not normal that we have an unconstrained child, but
 474                 // what can we do about it?
 475                 continue;
 476             }
 477
 478             int x = c->right.GetValue(),
 479                 y = c->bottom.GetValue();
 480
 481             if ( x > maxX )
 482                 maxX = x;
 483
 484             if ( y > maxY )
 485                 maxY = y;
 486
 487             // TODO: we must calculate the overlaps somehow, otherwise we
 488             //       will never return a size bigger than the current one :-(
 489         }
 490
 491         best = wxSize(maxX, maxY);
 492     }
 493 #endif // wxUSE_CONSTRAINTS
 494     else if ( !GetChildren().empty()
 495 #ifdef __WXMAC__
 496               && wxHasRealChildren(this)
 497 #endif
 498               )
 499     {
 500         // our minimal acceptable size is such that all our visible child windows fit inside
 501         int maxX = 0,
 502             maxY = 0;
 503
 504         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 505               node;
 506               node = node->GetNext() )
 507         {
 508             wxWindow *win = node->GetData();
 509             if ( win->IsTopLevel()  || ( ! win->IsShown() )
 510 #if wxUSE_STATUSBAR
 511                     || wxDynamicCast(win, wxStatusBar)
 512 #endif // wxUSE_STATUSBAR
 513                )
 514             {
 515                 // dialogs and frames lie in different top level windows -
 516                 // don't deal with them here; as for the status bars, they
 517                 // don't lie in the client area at all
 518                 continue;
 519             }
 520
 521             int wx, wy, ww, wh;
 522             win->GetPosition(&wx, &wy);
 523
 524             // if the window hadn't been positioned yet, assume that it is in
 525             // the origin
 526             if ( wx == wxDefaultCoord )
 527                 wx = 0;
 528             if ( wy == wxDefaultCoord )
 529                 wy = 0;
 530
 531             win->GetSize(&ww, &wh);
 532             if ( wx + ww > maxX )
 533                 maxX = wx + ww;
 534             if ( wy + wh > maxY )
 535                 maxY = wy + wh;
 536         }
 537
 538         // for compatibility with the old versions and because it really looks
 539         // slightly more pretty like this, add a pad
 540         maxX += 7;
 541         maxY += 14;
 542
 543         best = wxSize(maxX, maxY);
 544     }
 545     else // ! has children
 546     {
 547         // for a generic window there is no natural best size so, if the
 548         // minimal size is not set, use the current size but take care to
 549         // remember it as minimal size for the next time because our best size
 550         // should be constant: otherwise we could get into a situation when the
 551         // window is initially at some size, then expanded to a larger size and
 552         // then, when the containing window is shrunk back (because our initial
 553         // best size had been used for computing the parent min size), we can't
 554         // be shrunk back any more because our best size is now bigger
 555         wxSize size = GetMinSize();
 556         if ( !size.IsFullySpecified() )
 557         {
 558             size.SetDefaults(GetSize());
 559             wxConstCast(this, wxWindowBase)->SetMinSize(size);
 560         }
 561
 562         // return as-is, unadjusted by the client size difference.
 563         return size;
 564     }
 565
 566     // Add any difference between size and client size
 567     wxSize diff = GetSize() - GetClientSize();
 568     best.x += wxMax(0, diff.x);
 569     best.y += wxMax(0, diff.y);
 570
 571     return best;
 572 }
 573
 574
 575 wxSize wxWindowBase::GetBestFittingSize() const
 576 {
 577     // merge the best size with the min size, giving priority to the min size
 578     wxSize min = GetMinSize();
 579     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 580     {
 581         wxSize best = GetBestSize();
 582         if (min.x == wxDefaultCoord) min.x =  best.x;
 583         if (min.y == wxDefaultCoord) min.y =  best.y;
 584     }
 585     return min;
 586 }
 587
 588
 589 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 590 {
 591     // Set the min size to the size passed in.  This will usually either be
 592     // wxDefaultSize or the size passed to this window's ctor/Create function.
 593     SetMinSize(size);
 594
 595     // Merge the size with the best size if needed
 596     wxSize best = GetBestFittingSize();
 597
 598     // If the current size doesn't match then change it
 599     if (GetSize() != best)
 600         SetSize(best);
 601 }
 602
 603
 604 // by default the origin is not shifted
 605 wxPoint wxWindowBase::GetClientAreaOrigin() const
 606 {
 607     return wxPoint(0,0);
 608 }
 609
 610 // set the min/max size of the window
 611 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 612                                   int maxW, int maxH,
 613                                   int WXUNUSED(incW), int WXUNUSED(incH))
 614 {
 615     // setting min width greater than max width leads to infinite loops under
 616     // X11 and generally doesn't make any sense, so don't allow it
 617     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 618                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 619                  _T("min width/height must be less than max width/height!") );
 620
 621     m_minWidth = minW;
 622     m_maxWidth = maxW;
 623     m_minHeight = minH;
 624     m_maxHeight = maxH;
 625 }
 626
 627 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 628 {
 629     if ( m_windowVariant != variant )
 630     {
 631         m_windowVariant = variant;
 632
 633         DoSetWindowVariant(variant);
 634     }
 635 }
 636
 637 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 638 {
 639     // adjust the font height to correspond to our new variant (notice that
 640     // we're only called if something really changed)
 641     wxFont font = GetFont();
 642     int size = font.GetPointSize();
 643     switch ( variant )
 644     {
 645         case wxWINDOW_VARIANT_NORMAL:
 646             break;
 647
 648         case wxWINDOW_VARIANT_SMALL:
 649             size *= 3;
 650             size /= 4;
 651             break;
 652
 653         case wxWINDOW_VARIANT_MINI:
 654             size *= 2;
 655             size /= 3;
 656             break;
 657
 658         case wxWINDOW_VARIANT_LARGE:
 659             size *= 5;
 660             size /= 4;
 661             break;
 662
 663         default:
 664             wxFAIL_MSG(_T("unexpected window variant"));
 665             break;
 666     }
 667
 668     font.SetPointSize(size);
 669     SetFont(font);
 670 }
 671
 672 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 673                                         int maxW, int maxH )
 674 {
 675     m_minVirtualWidth = minW;
 676     m_maxVirtualWidth = maxW;
 677     m_minVirtualHeight = minH;
 678     m_maxVirtualHeight = maxH;
 679 }
 680
 681 void wxWindowBase::DoSetVirtualSize( int x, int y )
 682 {
 683     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 684         x = m_minVirtualWidth;
 685     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 686         x = m_maxVirtualWidth;
 687     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 688         y = m_minVirtualHeight;
 689     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 690         y = m_maxVirtualHeight;
 691
 692     m_virtualSize = wxSize(x, y);
 693 }
 694
 695 wxSize wxWindowBase::DoGetVirtualSize() const
 696 {
 697     // we should use the entire client area so if it is greater than our
 698     // virtual size, expand it to fit (otherwise if the window is big enough we
 699     // wouldn't be using parts of it)
 700     wxSize size = GetClientSize();
 701     if ( m_virtualSize.x > size.x )
 702         size.x = m_virtualSize.x;
 703
 704     if ( m_virtualSize.y >= size.y )
 705         size.y = m_virtualSize.y;
 706
 707     return size;
 708 }
 709
 710 void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
 711 {
 712     // screen position is the same as (0, 0) in client coords for non TLWs (and
 713     // TLWs override this method)
 714     if ( x )
 715         *x = 0;
 716     if ( y )
 717         *y = 0;
 718
 719     ClientToScreen(x, y);
 720 }
 721
 722 // ----------------------------------------------------------------------------
 723 // show/hide/enable/disable the window
 724 // ----------------------------------------------------------------------------
 725
 726 bool wxWindowBase::Show(bool show)
 727 {
 728     if ( show != m_isShown )
 729     {
 730         m_isShown = show;
 731
 732         return true;
 733     }
 734     else
 735     {
 736         return false;
 737     }
 738 }
 739
 740 bool wxWindowBase::Enable(bool enable)
 741 {
 742     if ( enable != m_isEnabled )
 743     {
 744         m_isEnabled = enable;
 745
 746         return true;
 747     }
 748     else
 749     {
 750         return false;
 751     }
 752 }
 753 // ----------------------------------------------------------------------------
 754 // RTTI
 755 // ----------------------------------------------------------------------------
 756
 757 bool wxWindowBase::IsTopLevel() const
 758 {
 759     return false;
 760 }
 761
 762 // ----------------------------------------------------------------------------
 763 // reparenting the window
 764 // ----------------------------------------------------------------------------
 765
 766 void wxWindowBase::AddChild(wxWindowBase *child)
 767 {
 768     wxCHECK_RET( child, wxT("can't add a NULL child") );
 769
 770     // this should never happen and it will lead to a crash later if it does
 771     // because RemoveChild() will remove only one node from the children list
 772     // and the other(s) one(s) will be left with dangling pointers in them
 773     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 774
 775     GetChildren().Append((wxWindow*)child);
 776     child->SetParent(this);
 777 }
 778
 779 void wxWindowBase::RemoveChild(wxWindowBase *child)
 780 {
 781     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 782
 783     GetChildren().DeleteObject((wxWindow *)child);
 784     child->SetParent(NULL);
 785 }
 786
 787 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 788 {
 789     wxWindow *oldParent = GetParent();
 790     if ( newParent == oldParent )
 791     {
 792         // nothing done
 793         return false;
 794     }
 795
 796     // unlink this window from the existing parent.
 797     if ( oldParent )
 798     {
 799         oldParent->RemoveChild(this);
 800     }
 801     else
 802     {
 803         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 804     }
 805
 806     // add it to the new one
 807     if ( newParent )
 808     {
 809         newParent->AddChild(this);
 810     }
 811     else
 812     {
 813         wxTopLevelWindows.Append((wxWindow *)this);
 814     }
 815
 816     return true;
 817 }
 818
 819 // ----------------------------------------------------------------------------
 820 // event handler stuff
 821 // ----------------------------------------------------------------------------
 822
 823 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 824 {
 825     wxEvtHandler *handlerOld = GetEventHandler();
 826
 827     handler->SetNextHandler(handlerOld);
 828
 829     if ( handlerOld )
 830         GetEventHandler()->SetPreviousHandler(handler);
 831
 832     SetEventHandler(handler);
 833 }
 834
 835 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 836 {
 837     wxEvtHandler *handlerA = GetEventHandler();
 838     if ( handlerA )
 839     {
 840         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 841         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 842
 843         if ( handlerB )
 844             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 845         SetEventHandler(handlerB);
 846
 847         if ( deleteHandler )
 848         {
 849             delete handlerA;
 850             handlerA = (wxEvtHandler *)NULL;
 851         }
 852     }
 853
 854     return handlerA;
 855 }
 856
 857 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 858 {
 859     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 860
 861     wxEvtHandler *handlerPrev = NULL,
 862                  *handlerCur = GetEventHandler();
 863     while ( handlerCur )
 864     {
 865         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 866
 867         if ( handlerCur == handler )
 868         {
 869             if ( handlerPrev )
 870             {
 871                 handlerPrev->SetNextHandler(handlerNext);
 872             }
 873             else
 874             {
 875                 SetEventHandler(handlerNext);
 876             }
 877
 878             if ( handlerNext )
 879             {
 880                 handlerNext->SetPreviousHandler ( handlerPrev );
 881             }
 882
 883             handler->SetNextHandler(NULL);
 884             handler->SetPreviousHandler(NULL);
 885
 886             return true;
 887         }
 888
 889         handlerPrev = handlerCur;
 890         handlerCur = handlerNext;
 891     }
 892
 893     wxFAIL_MSG( _T("where has the event handler gone?") );
 894
 895     return false;
 896 }
 897
 898 // ----------------------------------------------------------------------------
 899 // colours, fonts &c
 900 // ----------------------------------------------------------------------------
 901
 902 void wxWindowBase::InheritAttributes()
 903 {
 904     const wxWindowBase * const parent = GetParent();
 905     if ( !parent )
 906         return;
 907
 908     // we only inherit attributes which had been explicitly set for the parent
 909     // which ensures that this only happens if the user really wants it and
 910     // not by default which wouldn't make any sense in modern GUIs where the
 911     // controls don't all use the same fonts (nor colours)
 912     if ( parent->m_inheritFont && !m_hasFont )
 913         SetFont(parent->GetFont());
 914
 915     // in addition, there is a possibility to explicitly forbid inheriting
 916     // colours at each class level by overriding ShouldInheritColours()
 917     if ( ShouldInheritColours() )
 918     {
 919         if ( parent->m_inheritFgCol && !m_hasFgCol )
 920             SetForegroundColour(parent->GetForegroundColour());
 921
 922         // inheriting (solid) background colour is wrong as it totally breaks
 923         // any kind of themed backgrounds
 924         //
 925         // instead, the controls should use the same background as their parent
 926         // (ideally by not drawing it at all)
 927 #if 0
 928         if ( parent->m_inheritBgCol && !m_hasBgCol )
 929             SetBackgroundColour(parent->GetBackgroundColour());
 930 #endif // 0
 931     }
 932 }
 933
 934 /* static */ wxVisualAttributes
 935 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 936 {
 937     // it is important to return valid values for all attributes from here,
 938     // GetXXX() below rely on this
 939     wxVisualAttributes attrs;
 940     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 941     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
 942
 943     // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
 944     // the usual background colour than wxSYS_COLOUR_BTNFACE.
 945     // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
 946     // colour on other platforms.
 947
 948 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
 949     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 950 #else
 951     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 952 #endif
 953     return attrs;
 954 }
 955
 956 wxColour wxWindowBase::GetBackgroundColour() const
 957 {
 958     if ( !m_backgroundColour.Ok() )
 959     {
 960         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
 961
 962         // get our default background colour
 963         wxColour colBg = GetDefaultAttributes().colBg;
 964
 965         // we must return some valid colour to avoid redoing this every time
 966         // and also to avoid surprizing the applications written for older
 967         // wxWidgets versions where GetBackgroundColour() always returned
 968         // something -- so give them something even if it doesn't make sense
 969         // for this window (e.g. it has a themed background)
 970         if ( !colBg.Ok() )
 971             colBg = GetClassDefaultAttributes().colBg;
 972
 973         return colBg;
 974     }
 975     else
 976         return m_backgroundColour;
 977 }
 978
 979 wxColour wxWindowBase::GetForegroundColour() const
 980 {
 981     // logic is the same as above
 982     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
 983     {
 984         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
 985
 986         wxColour colFg = GetDefaultAttributes().colFg;
 987
 988         if ( !colFg.Ok() )
 989             colFg = GetClassDefaultAttributes().colFg;
 990
 991         return colFg;
 992     }
 993     else
 994         return m_foregroundColour;
 995 }
 996
 997 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
 998 {
 999     if ( colour == m_backgroundColour )
1000         return false;
1001
1002     m_hasBgCol = colour.Ok();
1003     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1004         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1005
1006     m_inheritBgCol = m_hasBgCol;
1007     m_backgroundColour = colour;
1008     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1009     return true;
1010 }
1011
1012 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1013 {
1014     if (colour == m_foregroundColour )
1015         return false;
1016
1017     m_hasFgCol = colour.Ok();
1018     m_inheritFgCol = m_hasFgCol;
1019     m_foregroundColour = colour;
1020     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1021     return true;
1022 }
1023
1024 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1025 {
1026     // setting an invalid cursor is ok, it means that we don't have any special
1027     // cursor
1028     if ( m_cursor == cursor )
1029     {
1030         // no change
1031         return false;
1032     }
1033
1034     m_cursor = cursor;
1035
1036     return true;
1037 }
1038
1039 wxFont wxWindowBase::GetFont() const
1040 {
1041     // logic is the same as in GetBackgroundColour()
1042     if ( !m_font.Ok() )
1043     {
1044         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1045
1046         wxFont font = GetDefaultAttributes().font;
1047         if ( !font.Ok() )
1048             font = GetClassDefaultAttributes().font;
1049
1050         return font;
1051     }
1052     else
1053         return m_font;
1054 }
1055
1056 bool wxWindowBase::SetFont(const wxFont& font)
1057 {
1058     if ( font == m_font )
1059     {
1060         // no change
1061         return false;
1062     }
1063
1064     m_font = font;
1065     m_hasFont = font.Ok();
1066     m_inheritFont = m_hasFont;
1067
1068     InvalidateBestSize();
1069
1070     return true;
1071 }
1072
1073 #if wxUSE_PALETTE
1074
1075 void wxWindowBase::SetPalette(const wxPalette& pal)
1076 {
1077     m_hasCustomPalette = true;
1078     m_palette = pal;
1079
1080     // VZ: can anyone explain me what do we do here?
1081     wxWindowDC d((wxWindow *) this);
1082     d.SetPalette(pal);
1083 }
1084
1085 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1086 {
1087     wxWindow *win = (wxWindow *)this;
1088     while ( win && !win->HasCustomPalette() )
1089     {
1090         win = win->GetParent();
1091     }
1092
1093     return win;
1094 }
1095
1096 #endif // wxUSE_PALETTE
1097
1098 #if wxUSE_CARET
1099 void wxWindowBase::SetCaret(wxCaret *caret)
1100 {
1101     if ( m_caret )
1102     {
1103         delete m_caret;
1104     }
1105
1106     m_caret = caret;
1107
1108     if ( m_caret )
1109     {
1110         wxASSERT_MSG( m_caret->GetWindow() == this,
1111                       wxT("caret should be created associated to this window") );
1112     }
1113 }
1114 #endif // wxUSE_CARET
1115
1116 #if wxUSE_VALIDATORS
1117 // ----------------------------------------------------------------------------
1118 // validators
1119 // ----------------------------------------------------------------------------
1120
1121 void wxWindowBase::SetValidator(const wxValidator& validator)
1122 {
1123     if ( m_windowValidator )
1124         delete m_windowValidator;
1125
1126     m_windowValidator = (wxValidator *)validator.Clone();
1127
1128     if ( m_windowValidator )
1129         m_windowValidator->SetWindow(this);
1130 }
1131 #endif // wxUSE_VALIDATORS
1132
1133 // ----------------------------------------------------------------------------
1134 // update region stuff
1135 // ----------------------------------------------------------------------------
1136
1137 wxRect wxWindowBase::GetUpdateClientRect() const
1138 {
1139     wxRegion rgnUpdate = GetUpdateRegion();
1140     rgnUpdate.Intersect(GetClientRect());
1141     wxRect rectUpdate = rgnUpdate.GetBox();
1142     wxPoint ptOrigin = GetClientAreaOrigin();
1143     rectUpdate.x -= ptOrigin.x;
1144     rectUpdate.y -= ptOrigin.y;
1145
1146     return rectUpdate;
1147 }
1148
1149 bool wxWindowBase::IsExposed(int x, int y) const
1150 {
1151     return m_updateRegion.Contains(x, y) != wxOutRegion;
1152 }
1153
1154 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1155 {
1156     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1157 }
1158
1159 void wxWindowBase::ClearBackground()
1160 {
1161     // wxGTK uses its own version, no need to add never used code
1162 #ifndef __WXGTK__
1163     wxClientDC dc((wxWindow *)this);
1164     wxBrush brush(GetBackgroundColour(), wxSOLID);
1165     dc.SetBackground(brush);
1166     dc.Clear();
1167 #endif // __WXGTK__
1168 }
1169
1170 // ----------------------------------------------------------------------------
1171 // find child window by id or name
1172 // ----------------------------------------------------------------------------
1173
1174 wxWindow *wxWindowBase::FindWindow(long id) const
1175 {
1176     if ( id == m_windowId )
1177         return (wxWindow *)this;
1178
1179     wxWindowBase *res = (wxWindow *)NULL;
1180     wxWindowList::compatibility_iterator node;
1181     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1182     {
1183         wxWindowBase *child = node->GetData();
1184         res = child->FindWindow( id );
1185     }
1186
1187     return (wxWindow *)res;
1188 }
1189
1190 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1191 {
1192     if ( name == m_windowName )
1193         return (wxWindow *)this;
1194
1195     wxWindowBase *res = (wxWindow *)NULL;
1196     wxWindowList::compatibility_iterator node;
1197     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1198     {
1199         wxWindow *child = node->GetData();
1200         res = child->FindWindow(name);
1201     }
1202
1203     return (wxWindow *)res;
1204 }
1205
1206
1207 // find any window by id or name or label: If parent is non-NULL, look through
1208 // children for a label or title matching the specified string. If NULL, look
1209 // through all top-level windows.
1210 //
1211 // to avoid duplicating code we reuse the same helper function but with
1212 // different comparators
1213
1214 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1215                                 const wxString& label, long id);
1216
1217 static
1218 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1219                            long WXUNUSED(id))
1220 {
1221     return win->GetLabel() == label;
1222 }
1223
1224 static
1225 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1226                           long WXUNUSED(id))
1227 {
1228     return win->GetName() == label;
1229 }
1230
1231 static
1232 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1233                         long id)
1234 {
1235     return win->GetId() == id;
1236 }
1237
1238 // recursive helper for the FindWindowByXXX() functions
1239 static
1240 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1241                                   const wxString& label,
1242                                   long id,
1243                                   wxFindWindowCmp cmp)
1244 {
1245     if ( parent )
1246     {
1247         // see if this is the one we're looking for
1248         if ( (*cmp)(parent, label, id) )
1249             return (wxWindow *)parent;
1250
1251         // It wasn't, so check all its children
1252         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1253               node;
1254               node = node->GetNext() )
1255         {
1256             // recursively check each child
1257             wxWindow *win = (wxWindow *)node->GetData();
1258             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1259             if (retwin)
1260                 return retwin;
1261         }
1262     }
1263
1264     // Not found
1265     return NULL;
1266 }
1267
1268 // helper for FindWindowByXXX()
1269 static
1270 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1271                              const wxString& label,
1272                              long id,
1273                              wxFindWindowCmp cmp)
1274 {
1275     if ( parent )
1276     {
1277         // just check parent and all its children
1278         return wxFindWindowRecursively(parent, label, id, cmp);
1279     }
1280
1281     // start at very top of wx's windows
1282     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1283           node;
1284           node = node->GetNext() )
1285     {
1286         // recursively check each window & its children
1287         wxWindow *win = node->GetData();
1288         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1289         if (retwin)
1290             return retwin;
1291     }
1292
1293     return NULL;
1294 }
1295
1296 /* static */
1297 wxWindow *
1298 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1299 {
1300     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1301 }
1302
1303 /* static */
1304 wxWindow *
1305 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1306 {
1307     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1308
1309     if ( !win )
1310     {
1311         // fall back to the label
1312         win = FindWindowByLabel(title, parent);
1313     }
1314
1315     return win;
1316 }
1317
1318 /* static */
1319 wxWindow *
1320 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1321 {
1322     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1323 }
1324
1325 // ----------------------------------------------------------------------------
1326 // dialog oriented functions
1327 // ----------------------------------------------------------------------------
1328
1329 void wxWindowBase::MakeModal(bool modal)
1330 {
1331     // Disable all other windows
1332     if ( IsTopLevel() )
1333     {
1334         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1335         while (node)
1336         {
1337             wxWindow *win = node->GetData();
1338             if (win != this)
1339                 win->Enable(!modal);
1340
1341             node = node->GetNext();
1342         }
1343     }
1344 }
1345
1346 bool wxWindowBase::Validate()
1347 {
1348 #if wxUSE_VALIDATORS
1349     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1350
1351     wxWindowList::compatibility_iterator node;
1352     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1353     {
1354         wxWindowBase *child = node->GetData();
1355         wxValidator *validator = child->GetValidator();
1356         if ( validator && !validator->Validate((wxWindow *)this) )
1357         {
1358             return false;
1359         }
1360
1361         if ( recurse && !child->Validate() )
1362         {
1363             return false;
1364         }
1365     }
1366 #endif // wxUSE_VALIDATORS
1367
1368     return true;
1369 }
1370
1371 bool wxWindowBase::TransferDataToWindow()
1372 {
1373 #if wxUSE_VALIDATORS
1374     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1375
1376     wxWindowList::compatibility_iterator node;
1377     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1378     {
1379         wxWindowBase *child = node->GetData();
1380         wxValidator *validator = child->GetValidator();
1381         if ( validator && !validator->TransferToWindow() )
1382         {
1383             wxLogWarning(_("Could not transfer data to window"));
1384 #if wxUSE_LOG
1385             wxLog::FlushActive();
1386 #endif // wxUSE_LOG
1387
1388             return false;
1389         }
1390
1391         if ( recurse )
1392         {
1393             if ( !child->TransferDataToWindow() )
1394             {
1395                 // warning already given
1396                 return false;
1397             }
1398         }
1399     }
1400 #endif // wxUSE_VALIDATORS
1401
1402     return true;
1403 }
1404
1405 bool wxWindowBase::TransferDataFromWindow()
1406 {
1407 #if wxUSE_VALIDATORS
1408     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1409
1410     wxWindowList::compatibility_iterator node;
1411     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1412     {
1413         wxWindow *child = node->GetData();
1414         wxValidator *validator = child->GetValidator();
1415         if ( validator && !validator->TransferFromWindow() )
1416         {
1417             // nop warning here because the application is supposed to give
1418             // one itself - we don't know here what might have gone wrongly
1419
1420             return false;
1421         }
1422
1423         if ( recurse )
1424         {
1425             if ( !child->TransferDataFromWindow() )
1426             {
1427                 // warning already given
1428                 return false;
1429             }
1430         }
1431     }
1432 #endif // wxUSE_VALIDATORS
1433
1434     return true;
1435 }
1436
1437 void wxWindowBase::InitDialog()
1438 {
1439     wxInitDialogEvent event(GetId());
1440     event.SetEventObject( this );
1441     GetEventHandler()->ProcessEvent(event);
1442 }
1443
1444 // ----------------------------------------------------------------------------
1445 // context-sensitive help support
1446 // ----------------------------------------------------------------------------
1447
1448 #if wxUSE_HELP
1449
1450 // associate this help text with this window
1451 void wxWindowBase::SetHelpText(const wxString& text)
1452 {
1453     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1454     if ( helpProvider )
1455     {
1456         helpProvider->AddHelp(this, text);
1457     }
1458 }
1459
1460 // associate this help text with all windows with the same id as this
1461 // one
1462 void wxWindowBase::SetHelpTextForId(const wxString& text)
1463 {
1464     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1465     if ( helpProvider )
1466     {
1467         helpProvider->AddHelp(GetId(), text);
1468     }
1469 }
1470
1471 // get the help string associated with this window (may be empty)
1472 // default implementation forwards calls to the help provider
1473 wxString
1474 wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt),
1475                                  wxHelpEvent::Origin WXUNUSED(origin)) const
1476 {
1477     wxString text;
1478     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1479     if ( helpProvider )
1480     {
1481         text = helpProvider->GetHelp(this);
1482     }
1483
1484     return text;
1485 }
1486
1487 // show help for this window
1488 void wxWindowBase::OnHelp(wxHelpEvent& event)
1489 {
1490     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1491     if ( helpProvider )
1492     {
1493         if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
1494         {
1495             // skip the event.Skip() below
1496             return;
1497         }
1498     }
1499
1500     event.Skip();
1501 }
1502
1503 #endif // wxUSE_HELP
1504
1505 // ----------------------------------------------------------------------------
1506 // tooltipsroot.Replace("\\", "/");
1507 // ----------------------------------------------------------------------------
1508
1509 #if wxUSE_TOOLTIPS
1510
1511 void wxWindowBase::SetToolTip( const wxString &tip )
1512 {
1513     // don't create the new tooltip if we already have one
1514     if ( m_tooltip )
1515     {
1516         m_tooltip->SetTip( tip );
1517     }
1518     else
1519     {
1520         SetToolTip( new wxToolTip( tip ) );
1521     }
1522
1523     // setting empty tooltip text does not remove the tooltip any more - use
1524     // SetToolTip((wxToolTip *)NULL) for this
1525 }
1526
1527 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1528 {
1529     if ( m_tooltip != tooltip )
1530     {
1531         if ( m_tooltip )
1532             delete m_tooltip;
1533
1534         m_tooltip = tooltip;
1535     }
1536 }
1537
1538 #endif // wxUSE_TOOLTIPS
1539
1540 // ----------------------------------------------------------------------------
1541 // constraints and sizers
1542 // ----------------------------------------------------------------------------
1543
1544 #if wxUSE_CONSTRAINTS
1545
1546 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1547 {
1548     if ( m_constraints )
1549     {
1550         UnsetConstraints(m_constraints);
1551         delete m_constraints;
1552     }
1553     m_constraints = constraints;
1554     if ( m_constraints )
1555     {
1556         // Make sure other windows know they're part of a 'meaningful relationship'
1557         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1558             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1559         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1560             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1561         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1562             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1563         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1564             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1565         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1566             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1567         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1568             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1569         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1570             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1571         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1572             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1573     }
1574 }
1575
1576 // This removes any dangling pointers to this window in other windows'
1577 // constraintsInvolvedIn lists.
1578 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1579 {
1580     if ( c )
1581     {
1582         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1583             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1584         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1585             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1586         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1587             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1588         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1589             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1590         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1591             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1592         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1593             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1594         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1595             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1596         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1597             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1598     }
1599 }
1600
1601 // Back-pointer to other windows we're involved with, so if we delete this
1602 // window, we must delete any constraints we're involved with.
1603 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1604 {
1605     if ( !m_constraintsInvolvedIn )
1606         m_constraintsInvolvedIn = new wxWindowList;
1607     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1608         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1609 }
1610
1611 // REMOVE back-pointer to other windows we're involved with.
1612 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1613 {
1614     if ( m_constraintsInvolvedIn )
1615         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1616 }
1617
1618 // Reset any constraints that mention this window
1619 void wxWindowBase::DeleteRelatedConstraints()
1620 {
1621     if ( m_constraintsInvolvedIn )
1622     {
1623         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1624         while (node)
1625         {
1626             wxWindow *win = node->GetData();
1627             wxLayoutConstraints *constr = win->GetConstraints();
1628
1629             // Reset any constraints involving this window
1630             if ( constr )
1631             {
1632                 constr->left.ResetIfWin(this);
1633                 constr->top.ResetIfWin(this);
1634                 constr->right.ResetIfWin(this);
1635                 constr->bottom.ResetIfWin(this);
1636                 constr->width.ResetIfWin(this);
1637                 constr->height.ResetIfWin(this);
1638                 constr->centreX.ResetIfWin(this);
1639                 constr->centreY.ResetIfWin(this);
1640             }
1641
1642             wxWindowList::compatibility_iterator next = node->GetNext();
1643             m_constraintsInvolvedIn->Erase(node);
1644             node = next;
1645         }
1646
1647         delete m_constraintsInvolvedIn;
1648         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1649     }
1650 }
1651
1652 #endif // wxUSE_CONSTRAINTS
1653
1654 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1655 {
1656     if ( sizer == m_windowSizer)
1657         return;
1658
1659     if ( deleteOld )
1660         delete m_windowSizer;
1661
1662     m_windowSizer = sizer;
1663
1664     SetAutoLayout( sizer != NULL );
1665 }
1666
1667 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1668 {
1669     SetSizer( sizer, deleteOld );
1670     sizer->SetSizeHints( (wxWindow*) this );
1671 }
1672
1673
1674 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1675 {
1676     // adding a window to a sizer twice is going to result in fatal and
1677     // hard to debug problems later because when deleting the second
1678     // associated wxSizerItem we're going to dereference a dangling
1679     // pointer; so try to detect this as early as possible
1680     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1681                   _T("Adding a window to the same sizer twice?") );
1682
1683     m_containingSizer = sizer;
1684 }
1685
1686 #if wxUSE_CONSTRAINTS
1687
1688 void wxWindowBase::SatisfyConstraints()
1689 {
1690     wxLayoutConstraints *constr = GetConstraints();
1691     bool wasOk = constr && constr->AreSatisfied();
1692
1693     ResetConstraints();   // Mark all constraints as unevaluated
1694
1695     int noChanges = 1;
1696
1697     // if we're a top level panel (i.e. our parent is frame/dialog), our
1698     // own constraints will never be satisfied any more unless we do it
1699     // here
1700     if ( wasOk )
1701     {
1702         while ( noChanges > 0 )
1703         {
1704             LayoutPhase1(&noChanges);
1705         }
1706     }
1707
1708     LayoutPhase2(&noChanges);
1709 }
1710
1711 #endif // wxUSE_CONSTRAINTS
1712
1713 bool wxWindowBase::Layout()
1714 {
1715     // If there is a sizer, use it instead of the constraints
1716     if ( GetSizer() )
1717     {
1718         int w = 0, h = 0;
1719         GetVirtualSize(&w, &h);
1720         GetSizer()->SetDimension( 0, 0, w, h );
1721     }
1722 #if wxUSE_CONSTRAINTS
1723     else
1724     {
1725         SatisfyConstraints(); // Find the right constraints values
1726         SetConstraintSizes(); // Recursively set the real window sizes
1727     }
1728 #endif
1729
1730     return true;
1731 }
1732
1733 #if wxUSE_CONSTRAINTS
1734
1735 // first phase of the constraints evaluation: set our own constraints
1736 bool wxWindowBase::LayoutPhase1(int *noChanges)
1737 {
1738     wxLayoutConstraints *constr = GetConstraints();
1739
1740     return !constr || constr->SatisfyConstraints(this, noChanges);
1741 }
1742
1743 // second phase: set the constraints for our children
1744 bool wxWindowBase::LayoutPhase2(int *noChanges)
1745 {
1746     *noChanges = 0;
1747
1748     // Layout children
1749     DoPhase(1);
1750
1751     // Layout grand children
1752     DoPhase(2);
1753
1754     return true;
1755 }
1756
1757 // Do a phase of evaluating child constraints
1758 bool wxWindowBase::DoPhase(int phase)
1759 {
1760     // the list containing the children for which the constraints are already
1761     // set correctly
1762     wxWindowList succeeded;
1763
1764     // the max number of iterations we loop before concluding that we can't set
1765     // the constraints
1766     static const int maxIterations = 500;
1767
1768     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1769     {
1770         int noChanges = 0;
1771
1772         // loop over all children setting their constraints
1773         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1774               node;
1775               node = node->GetNext() )
1776         {
1777             wxWindow *child = node->GetData();
1778             if ( child->IsTopLevel() )
1779             {
1780                 // top level children are not inside our client area
1781                 continue;
1782             }
1783
1784             if ( !child->GetConstraints() || succeeded.Find(child) )
1785             {
1786                 // this one is either already ok or nothing we can do about it
1787                 continue;
1788             }
1789
1790             int tempNoChanges = 0;
1791             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1792                                       : child->LayoutPhase2(&tempNoChanges);
1793             noChanges += tempNoChanges;
1794
1795             if ( success )
1796             {
1797                 succeeded.Append(child);
1798             }
1799         }
1800
1801         if ( !noChanges )
1802         {
1803             // constraints are set
1804             break;
1805         }
1806     }
1807
1808     return true;
1809 }
1810
1811 void wxWindowBase::ResetConstraints()
1812 {
1813     wxLayoutConstraints *constr = GetConstraints();
1814     if ( constr )
1815     {
1816         constr->left.SetDone(false);
1817         constr->top.SetDone(false);
1818         constr->right.SetDone(false);
1819         constr->bottom.SetDone(false);
1820         constr->width.SetDone(false);
1821         constr->height.SetDone(false);
1822         constr->centreX.SetDone(false);
1823         constr->centreY.SetDone(false);
1824     }
1825
1826     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1827     while (node)
1828     {
1829         wxWindow *win = node->GetData();
1830         if ( !win->IsTopLevel() )
1831             win->ResetConstraints();
1832         node = node->GetNext();
1833     }
1834 }
1835
1836 // Need to distinguish between setting the 'fake' size for windows and sizers,
1837 // and setting the real values.
1838 void wxWindowBase::SetConstraintSizes(bool recurse)
1839 {
1840     wxLayoutConstraints *constr = GetConstraints();
1841     if ( constr && constr->AreSatisfied() )
1842     {
1843         int x = constr->left.GetValue();
1844         int y = constr->top.GetValue();
1845         int w = constr->width.GetValue();
1846         int h = constr->height.GetValue();
1847
1848         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1849              (constr->height.GetRelationship() != wxAsIs) )
1850         {
1851             SetSize(x, y, w, h);
1852         }
1853         else
1854         {
1855             // If we don't want to resize this window, just move it...
1856             Move(x, y);
1857         }
1858     }
1859     else if ( constr )
1860     {
1861         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1862                    GetClassInfo()->GetClassName(),
1863                    GetName().c_str());
1864     }
1865
1866     if ( recurse )
1867     {
1868         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1869         while (node)
1870         {
1871             wxWindow *win = node->GetData();
1872             if ( !win->IsTopLevel() && win->GetConstraints() )
1873                 win->SetConstraintSizes();
1874             node = node->GetNext();
1875         }
1876     }
1877 }
1878
1879 // Only set the size/position of the constraint (if any)
1880 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1881 {
1882     wxLayoutConstraints *constr = GetConstraints();
1883     if ( constr )
1884     {
1885         if ( x != wxDefaultCoord )
1886         {
1887             constr->left.SetValue(x);
1888             constr->left.SetDone(true);
1889         }
1890         if ( y != wxDefaultCoord )
1891         {
1892             constr->top.SetValue(y);
1893             constr->top.SetDone(true);
1894         }
1895         if ( w != wxDefaultCoord )
1896         {
1897             constr->width.SetValue(w);
1898             constr->width.SetDone(true);
1899         }
1900         if ( h != wxDefaultCoord )
1901         {
1902             constr->height.SetValue(h);
1903             constr->height.SetDone(true);
1904         }
1905     }
1906 }
1907
1908 void wxWindowBase::MoveConstraint(int x, int y)
1909 {
1910     wxLayoutConstraints *constr = GetConstraints();
1911     if ( constr )
1912     {
1913         if ( x != wxDefaultCoord )
1914         {
1915             constr->left.SetValue(x);
1916             constr->left.SetDone(true);
1917         }
1918         if ( y != wxDefaultCoord )
1919         {
1920             constr->top.SetValue(y);
1921             constr->top.SetDone(true);
1922         }
1923     }
1924 }
1925
1926 void wxWindowBase::GetSizeConstraint(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         GetSize(w, h);
1936 }
1937
1938 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
1939 {
1940     wxLayoutConstraints *constr = GetConstraints();
1941     if ( constr )
1942     {
1943         *w = constr->width.GetValue();
1944         *h = constr->height.GetValue();
1945     }
1946     else
1947         GetClientSize(w, h);
1948 }
1949
1950 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
1951 {
1952     wxLayoutConstraints *constr = GetConstraints();
1953     if ( constr )
1954     {
1955         *x = constr->left.GetValue();
1956         *y = constr->top.GetValue();
1957     }
1958     else
1959         GetPosition(x, y);
1960 }
1961
1962 #endif // wxUSE_CONSTRAINTS
1963
1964 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
1965 {
1966     // don't do it for the dialogs/frames - they float independently of their
1967     // parent
1968     if ( !IsTopLevel() )
1969     {
1970         wxWindow *parent = GetParent();
1971         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1972         {
1973             wxPoint pt(parent->GetClientAreaOrigin());
1974             x += pt.x;
1975             y += pt.y;
1976         }
1977     }
1978 }
1979
1980 // ----------------------------------------------------------------------------
1981 // do Update UI processing for child controls
1982 // ----------------------------------------------------------------------------
1983
1984 void wxWindowBase::UpdateWindowUI(long flags)
1985 {
1986     wxUpdateUIEvent event(GetId());
1987     event.SetEventObject(this);
1988
1989     if ( GetEventHandler()->ProcessEvent(event) )
1990     {
1991         DoUpdateWindowUI(event);
1992     }
1993
1994     if (flags & wxUPDATE_UI_RECURSE)
1995     {
1996         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1997         while (node)
1998         {
1999             wxWindow* child = (wxWindow*) node->GetData();
2000             child->UpdateWindowUI(flags);
2001             node = node->GetNext();
2002         }
2003     }
2004 }
2005
2006 // do the window-specific processing after processing the update event
2007 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2008 {
2009     if ( event.GetSetEnabled() )
2010         Enable(event.GetEnabled());
2011
2012     if ( event.GetSetShown() )
2013         Show(event.GetShown());
2014 }
2015
2016 #if 0
2017 // call internal idle recursively
2018 // may be obsolete (wait until OnIdle scheme stabilises)
2019 void wxWindowBase::ProcessInternalIdle()
2020 {
2021     OnInternalIdle();
2022
2023     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2024     while (node)
2025     {
2026         wxWindow *child = node->GetData();
2027         child->ProcessInternalIdle();
2028         node = node->GetNext();
2029     }
2030 }
2031 #endif
2032
2033 // ----------------------------------------------------------------------------
2034 // dialog units translations
2035 // ----------------------------------------------------------------------------
2036
2037 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2038 {
2039     int charWidth = GetCharWidth();
2040     int charHeight = GetCharHeight();
2041     wxPoint pt2 = wxDefaultPosition;
2042     if (pt.x != wxDefaultCoord)
2043         pt2.x = (int) ((pt.x * 4) / charWidth);
2044     if (pt.y != wxDefaultCoord)
2045         pt2.y = (int) ((pt.y * 8) / charHeight);
2046
2047     return pt2;
2048 }
2049
2050 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2051 {
2052     int charWidth = GetCharWidth();
2053     int charHeight = GetCharHeight();
2054     wxPoint pt2 = wxDefaultPosition;
2055     if (pt.x != wxDefaultCoord)
2056         pt2.x = (int) ((pt.x * charWidth) / 4);
2057     if (pt.y != wxDefaultCoord)
2058         pt2.y = (int) ((pt.y * charHeight) / 8);
2059
2060     return pt2;
2061 }
2062
2063 // ----------------------------------------------------------------------------
2064 // event handlers
2065 // ----------------------------------------------------------------------------
2066
2067 // propagate the colour change event to the subwindows
2068 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2069 {
2070     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2071     while ( node )
2072     {
2073         // Only propagate to non-top-level windows
2074         wxWindow *win = node->GetData();
2075         if ( !win->IsTopLevel() )
2076         {
2077             wxSysColourChangedEvent event2;
2078             event.SetEventObject(win);
2079             win->GetEventHandler()->ProcessEvent(event2);
2080         }
2081
2082         node = node->GetNext();
2083     }
2084
2085     Refresh();
2086 }
2087
2088 // the default action is to populate dialog with data when it's created,
2089 // and nudge the UI into displaying itself correctly in case
2090 // we've turned the wxUpdateUIEvents frequency down low.
2091 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2092 {
2093     TransferDataToWindow();
2094
2095     // Update the UI at this point
2096     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2097 }
2098
2099 // methods for drawing the sizers in a visible way
2100 #ifdef __WXDEBUG__
2101
2102 static void DrawSizers(wxWindowBase *win);
2103
2104 static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
2105 {
2106     wxClientDC dc((wxWindow *)win);
2107     dc.SetPen(*wxRED_PEN);
2108     dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
2109     dc.DrawRectangle(rect.Deflate(1, 1));
2110 }
2111
2112 static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
2113 {
2114     const wxSizerItemList& items = sizer->GetChildren();
2115     for ( wxSizerItemList::const_iterator i = items.begin(),
2116                                         end = items.end();
2117           i != end;
2118           ++i )
2119     {
2120         wxSizerItem *item = *i;
2121         if ( item->IsSizer() )
2122         {
2123             DrawBorder(win, item->GetRect().Deflate(2));
2124             DrawSizer(win, item->GetSizer());
2125         }
2126         else if ( item->IsSpacer() )
2127         {
2128             DrawBorder(win, item->GetRect().Deflate(2), true);
2129         }
2130         else if ( item->IsWindow() )
2131         {
2132             DrawSizers(item->GetWindow());
2133         }
2134     }
2135 }
2136
2137 static void DrawSizers(wxWindowBase *win)
2138 {
2139     wxSizer *sizer = win->GetSizer();
2140     if ( sizer )
2141     {
2142         DrawBorder(win, win->GetClientSize());
2143         DrawSizer(win, sizer);
2144     }
2145     else // no sizer, still recurse into the children
2146     {
2147         const wxWindowList& children = win->GetChildren();
2148         for ( wxWindowList::const_iterator i = children.begin(),
2149                                          end = children.end();
2150               i != end;
2151               ++i )
2152         {
2153             DrawSizers(*i);
2154         }
2155     }
2156 }
2157
2158 #endif // __WXDEBUG__
2159
2160 // process special middle clicks
2161 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2162 {
2163     if ( event.ControlDown() && event.AltDown() )
2164     {
2165 #ifdef __WXDEBUG__
2166         // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
2167         if ( event.ShiftDown() )
2168         {
2169             DrawSizers(this);
2170             return;
2171         }
2172 #endif // __WXDEBUG__
2173
2174 #if wxUSE_MSGDLG
2175         // don't translate these strings
2176         wxString port;
2177
2178 #ifdef __WXUNIVERSAL__
2179         port = _T("Univ/");
2180 #endif // __WXUNIVERSAL__
2181
2182         switch ( wxGetOsVersion() )
2183         {
2184             case wxMOTIF_X:            port += _T("Motif"); break;
2185             case wxMAC:
2186             case wxMAC_DARWIN:         port += _T("Mac"); break;
2187             case wxBEOS:               port += _T("BeOS"); break;
2188             case wxGTK:
2189             case wxGTK_WIN32:
2190             case wxGTK_OS2:
2191             case wxGTK_BEOS:           port += _T("GTK"); break;
2192             case wxWINDOWS:
2193             case wxPENWINDOWS:
2194             case wxWINDOWS_NT:
2195             case wxWIN32S:
2196             case wxWIN95:
2197             case wxWIN386:             port += _T("MS Windows"); break;
2198             case wxMGL_UNIX:
2199             case wxMGL_X:
2200             case wxMGL_WIN32:
2201             case wxMGL_OS2:            port += _T("MGL"); break;
2202             case wxWINDOWS_OS2:
2203             case wxOS2_PM:             port += _T("OS/2"); break;
2204             case wxPALMOS:             port += _T("Palm OS"); break;
2205             case wxWINDOWS_CE:         port += _T("Windows CE (generic)"); break;
2206             case wxWINDOWS_POCKETPC:   port += _T("Windows CE PocketPC"); break;
2207             case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break;
2208             default:            port += _T("unknown"); break;
2209         }
2210
2211         wxMessageBox(wxString::Format(
2212                                       _T(
2213                                         "       wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n   Copyright (c) 1995-2006 wxWidgets team"
2214                                         ),
2215                                       port.c_str(),
2216                                       wxMAJOR_VERSION,
2217                                       wxMINOR_VERSION,
2218                                       wxRELEASE_NUMBER,
2219 #if wxUSE_UNICODE
2220                                       L" (Unicode)",
2221 #else
2222                                       "",
2223 #endif
2224 #ifdef __WXDEBUG__
2225                                       _T(" Debug build"),
2226 #else
2227                                       wxEmptyString,
2228 #endif
2229                                       __TDATE__,
2230                                       __TTIME__,
2231 #ifdef __WXGTK__
2232                                       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()
2233 #else
2234                                       ""
2235 #endif
2236                                      ),
2237                      _T("wxWidgets information"),
2238                      wxICON_INFORMATION | wxOK,
2239                      (wxWindow *)this);
2240     }
2241     else
2242 #endif // wxUSE_MSGDLG
2243     {
2244         event.Skip();
2245     }
2246 }
2247
2248 // ----------------------------------------------------------------------------
2249 // accessibility
2250 // ----------------------------------------------------------------------------
2251
2252 #if wxUSE_ACCESSIBILITY
2253 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2254 {
2255     if (m_accessible && (accessible != m_accessible))
2256         delete m_accessible;
2257     m_accessible = accessible;
2258     if (m_accessible)
2259         m_accessible->SetWindow((wxWindow*) this);
2260 }
2261
2262 // Returns the accessible object, creating if necessary.
2263 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2264 {
2265     if (!m_accessible)
2266         m_accessible = CreateAccessible();
2267     return m_accessible;
2268 }
2269
2270 // Override to create a specific accessible object.
2271 wxAccessible* wxWindowBase::CreateAccessible()
2272 {
2273     return new wxWindowAccessible((wxWindow*) this);
2274 }
2275
2276 #endif
2277
2278 // ----------------------------------------------------------------------------
2279 // list classes implementation
2280 // ----------------------------------------------------------------------------
2281
2282 #if wxUSE_STL
2283
2284 #include "wx/listimpl.cpp"
2285 WX_DEFINE_LIST(wxWindowList)
2286
2287 #else
2288
2289 void wxWindowListNode::DeleteData()
2290 {
2291     delete (wxWindow *)GetData();
2292 }
2293
2294 #endif
2295
2296 // ----------------------------------------------------------------------------
2297 // borders
2298 // ----------------------------------------------------------------------------
2299
2300 wxBorder wxWindowBase::GetBorder(long flags) const
2301 {
2302     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2303     if ( border == wxBORDER_DEFAULT )
2304     {
2305         border = GetDefaultBorder();
2306     }
2307
2308     return border;
2309 }
2310
2311 wxBorder wxWindowBase::GetDefaultBorder() const
2312 {
2313     return wxBORDER_NONE;
2314 }
2315
2316 // ----------------------------------------------------------------------------
2317 // hit testing
2318 // ----------------------------------------------------------------------------
2319
2320 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2321 {
2322     // here we just check if the point is inside the window or not
2323
2324     // check the top and left border first
2325     bool outside = x < 0 || y < 0;
2326     if ( !outside )
2327     {
2328         // check the right and bottom borders too
2329         wxSize size = GetSize();
2330         outside = x >= size.x || y >= size.y;
2331     }
2332
2333     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2334 }
2335
2336 // ----------------------------------------------------------------------------
2337 // mouse capture
2338 // ----------------------------------------------------------------------------
2339
2340 struct WXDLLEXPORT wxWindowNext
2341 {
2342     wxWindow *win;
2343     wxWindowNext *next;
2344 } *wxWindowBase::ms_winCaptureNext = NULL;
2345
2346 void wxWindowBase::CaptureMouse()
2347 {
2348     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2349
2350     wxWindow *winOld = GetCapture();
2351     if ( winOld )
2352     {
2353         ((wxWindowBase*) winOld)->DoReleaseMouse();
2354
2355         // save it on stack
2356         wxWindowNext *item = new wxWindowNext;
2357         item->win = winOld;
2358         item->next = ms_winCaptureNext;
2359         ms_winCaptureNext = item;
2360     }
2361     //else: no mouse capture to save
2362
2363     DoCaptureMouse();
2364 }
2365
2366 void wxWindowBase::ReleaseMouse()
2367 {
2368     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2369
2370     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2371
2372     DoReleaseMouse();
2373
2374     if ( ms_winCaptureNext )
2375     {
2376         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2377
2378         wxWindowNext *item = ms_winCaptureNext;
2379         ms_winCaptureNext = item->next;
2380         delete item;
2381     }
2382     //else: stack is empty, no previous capture
2383
2384     wxLogTrace(_T("mousecapture"),
2385         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2386         GetCapture());
2387 }
2388
2389 #if wxUSE_HOTKEY
2390
2391 bool
2392 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2393                              int WXUNUSED(modifiers),
2394                              int WXUNUSED(keycode))
2395 {
2396     // not implemented
2397     return false;
2398 }
2399
2400 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2401 {
2402     // not implemented
2403     return false;
2404 }
2405
2406 #endif // wxUSE_HOTKEY
2407
2408 void wxWindowBase::SendDestroyEvent()
2409 {
2410     wxWindowDestroyEvent event;
2411     event.SetEventObject(this);
2412     event.SetId(GetId());
2413     GetEventHandler()->ProcessEvent(event);
2414 }
2415
2416 // ----------------------------------------------------------------------------
2417 // event processing
2418 // ----------------------------------------------------------------------------
2419
2420 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2421 {
2422 #if wxUSE_VALIDATORS
2423     // Can only use the validator of the window which
2424     // is receiving the event
2425     if ( event.GetEventObject() == this )
2426     {
2427         wxValidator *validator = GetValidator();
2428         if ( validator && validator->ProcessEvent(event) )
2429         {
2430             return true;
2431         }
2432     }
2433 #endif // wxUSE_VALIDATORS
2434
2435     return false;
2436 }
2437
2438 bool wxWindowBase::TryParent(wxEvent& event)
2439 {
2440     // carry on up the parent-child hierarchy if the propagation count hasn't
2441     // reached zero yet
2442     if ( event.ShouldPropagate() )
2443     {
2444         // honour the requests to stop propagation at this window: this is
2445         // used by the dialogs, for example, to prevent processing the events
2446         // from the dialog controls in the parent frame which rarely, if ever,
2447         // makes sense
2448         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2449         {
2450             wxWindow *parent = GetParent();
2451             if ( parent && !parent->IsBeingDeleted() )
2452             {
2453                 wxPropagateOnce propagateOnce(event);
2454
2455                 return parent->GetEventHandler()->ProcessEvent(event);
2456             }
2457         }
2458     }
2459
2460     return wxEvtHandler::TryParent(event);
2461 }
2462
2463 // ----------------------------------------------------------------------------
2464 // keyboard navigation
2465 // ----------------------------------------------------------------------------
2466
2467 // Navigates in the specified direction.
2468 bool wxWindowBase::Navigate(int flags)
2469 {
2470     wxNavigationKeyEvent eventNav;
2471     eventNav.SetFlags(flags);
2472     eventNav.SetEventObject(this);
2473     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2474     {
2475         return true;
2476     }
2477     return false;
2478 }
2479
2480 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2481 {
2482     // check that we're not a top level window
2483     wxCHECK_RET( GetParent(),
2484                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2485
2486     // detect the special case when we have nothing to do anyhow and when the
2487     // code below wouldn't work
2488     if ( win == this )
2489         return;
2490
2491     // find the target window in the siblings list
2492     wxWindowList& siblings = GetParent()->GetChildren();
2493     wxWindowList::compatibility_iterator i = siblings.Find(win);
2494     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2495
2496     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2497     // can't just move the node around
2498     wxWindow *self = (wxWindow *)this;
2499     siblings.DeleteObject(self);
2500     if ( move == MoveAfter )
2501     {
2502         i = i->GetNext();
2503     }
2504
2505     if ( i )
2506     {
2507         siblings.Insert(i, self);
2508     }
2509     else // MoveAfter and win was the last sibling
2510     {
2511         siblings.Append(self);
2512     }
2513 }
2514
2515 // ----------------------------------------------------------------------------
2516 // focus handling
2517 // ----------------------------------------------------------------------------
2518
2519 /*static*/ wxWindow* wxWindowBase::FindFocus()
2520 {
2521     wxWindowBase *win = DoFindFocus();
2522     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2523 }
2524
2525 // ----------------------------------------------------------------------------
2526 // global functions
2527 // ----------------------------------------------------------------------------
2528
2529 wxWindow* wxGetTopLevelParent(wxWindow *win)
2530 {
2531     while ( win && !win->IsTopLevel() )
2532          win = win->GetParent();
2533
2534     return win;
2535 }
2536
2537 #if wxUSE_ACCESSIBILITY
2538 // ----------------------------------------------------------------------------
2539 // accessible object for windows
2540 // ----------------------------------------------------------------------------
2541
2542 // Can return either a child object, or an integer
2543 // representing the child element, starting from 1.
2544 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2545 {
2546     wxASSERT( GetWindow() != NULL );
2547     if (!GetWindow())
2548         return wxACC_FAIL;
2549
2550     return wxACC_NOT_IMPLEMENTED;
2551 }
2552
2553 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2554 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2555 {
2556     wxASSERT( GetWindow() != NULL );
2557     if (!GetWindow())
2558         return wxACC_FAIL;
2559
2560     wxWindow* win = NULL;
2561     if (elementId == 0)
2562     {
2563         win = GetWindow();
2564     }
2565     else
2566     {
2567         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2568         {
2569             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2570         }
2571         else
2572             return wxACC_FAIL;
2573     }
2574     if (win)
2575     {
2576         rect = win->GetRect();
2577         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2578             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2579         return wxACC_OK;
2580     }
2581
2582     return wxACC_NOT_IMPLEMENTED;
2583 }
2584
2585 // Navigates from fromId to toId/toObject.
2586 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2587                              int* WXUNUSED(toId), wxAccessible** toObject)
2588 {
2589     wxASSERT( GetWindow() != NULL );
2590     if (!GetWindow())
2591         return wxACC_FAIL;
2592
2593     switch (navDir)
2594     {
2595     case wxNAVDIR_FIRSTCHILD:
2596         {
2597             if (GetWindow()->GetChildren().GetCount() == 0)
2598                 return wxACC_FALSE;
2599             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2600             *toObject = childWindow->GetOrCreateAccessible();
2601
2602             return wxACC_OK;
2603         }
2604     case wxNAVDIR_LASTCHILD:
2605         {
2606             if (GetWindow()->GetChildren().GetCount() == 0)
2607                 return wxACC_FALSE;
2608             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2609             *toObject = childWindow->GetOrCreateAccessible();
2610
2611             return wxACC_OK;
2612         }
2613     case wxNAVDIR_RIGHT:
2614     case wxNAVDIR_DOWN:
2615     case wxNAVDIR_NEXT:
2616         {
2617             wxWindowList::compatibility_iterator node =
2618                 wxWindowList::compatibility_iterator();
2619             if (fromId == 0)
2620             {
2621                 // Can't navigate to sibling of this window
2622                 // if we're a top-level window.
2623                 if (!GetWindow()->GetParent())
2624                     return wxACC_NOT_IMPLEMENTED;
2625
2626                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2627             }
2628             else
2629             {
2630                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2631                     node = GetWindow()->GetChildren().Item(fromId-1);
2632             }
2633
2634             if (node && node->GetNext())
2635             {
2636                 wxWindow* nextWindow = node->GetNext()->GetData();
2637                 *toObject = nextWindow->GetOrCreateAccessible();
2638                 return wxACC_OK;
2639             }
2640             else
2641                 return wxACC_FALSE;
2642         }
2643     case wxNAVDIR_LEFT:
2644     case wxNAVDIR_UP:
2645     case wxNAVDIR_PREVIOUS:
2646         {
2647             wxWindowList::compatibility_iterator node =
2648                 wxWindowList::compatibility_iterator();
2649             if (fromId == 0)
2650             {
2651                 // Can't navigate to sibling of this window
2652                 // if we're a top-level window.
2653                 if (!GetWindow()->GetParent())
2654                     return wxACC_NOT_IMPLEMENTED;
2655
2656                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2657             }
2658             else
2659             {
2660                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2661                     node = GetWindow()->GetChildren().Item(fromId-1);
2662             }
2663
2664             if (node && node->GetPrevious())
2665             {
2666                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2667                 *toObject = previousWindow->GetOrCreateAccessible();
2668                 return wxACC_OK;
2669             }
2670             else
2671                 return wxACC_FALSE;
2672         }
2673     }
2674
2675     return wxACC_NOT_IMPLEMENTED;
2676 }
2677
2678 // Gets the name of the specified object.
2679 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2680 {
2681     wxASSERT( GetWindow() != NULL );
2682     if (!GetWindow())
2683         return wxACC_FAIL;
2684
2685     wxString title;
2686
2687     // If a child, leave wxWidgets to call the function on the actual
2688     // child object.
2689     if (childId > 0)
2690         return wxACC_NOT_IMPLEMENTED;
2691
2692     // This will eventually be replaced by specialised
2693     // accessible classes, one for each kind of wxWidgets
2694     // control or window.
2695 #if wxUSE_BUTTON
2696     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2697         title = ((wxButton*) GetWindow())->GetLabel();
2698     else
2699 #endif
2700         title = GetWindow()->GetName();
2701
2702     if (!title.empty())
2703     {
2704         *name = title;
2705         return wxACC_OK;
2706     }
2707     else
2708         return wxACC_NOT_IMPLEMENTED;
2709 }
2710
2711 // Gets the number of children.
2712 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2713 {
2714     wxASSERT( GetWindow() != NULL );
2715     if (!GetWindow())
2716         return wxACC_FAIL;
2717
2718     *childId = (int) GetWindow()->GetChildren().GetCount();
2719     return wxACC_OK;
2720 }
2721
2722 // Gets the specified child (starting from 1).
2723 // If *child is NULL and return value is wxACC_OK,
2724 // this means that the child is a simple element and
2725 // not an accessible object.
2726 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2727 {
2728     wxASSERT( GetWindow() != NULL );
2729     if (!GetWindow())
2730         return wxACC_FAIL;
2731
2732     if (childId == 0)
2733     {
2734         *child = this;
2735         return wxACC_OK;
2736     }
2737
2738     if (childId > (int) GetWindow()->GetChildren().GetCount())
2739         return wxACC_FAIL;
2740
2741     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2742     *child = childWindow->GetOrCreateAccessible();
2743     if (*child)
2744         return wxACC_OK;
2745     else
2746         return wxACC_FAIL;
2747 }
2748
2749 // Gets the parent, or NULL.
2750 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2751 {
2752     wxASSERT( GetWindow() != NULL );
2753     if (!GetWindow())
2754         return wxACC_FAIL;
2755
2756     wxWindow* parentWindow = GetWindow()->GetParent();
2757     if (!parentWindow)
2758     {
2759         *parent = NULL;
2760         return wxACC_OK;
2761     }
2762     else
2763     {
2764         *parent = parentWindow->GetOrCreateAccessible();
2765         if (*parent)
2766             return wxACC_OK;
2767         else
2768             return wxACC_FAIL;
2769     }
2770 }
2771
2772 // Performs the default action. childId is 0 (the action for this object)
2773 // or > 0 (the action for a child).
2774 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2775 // window (e.g. an edit control).
2776 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2777 {
2778     wxASSERT( GetWindow() != NULL );
2779     if (!GetWindow())
2780         return wxACC_FAIL;
2781
2782     return wxACC_NOT_IMPLEMENTED;
2783 }
2784
2785 // Gets the default action for this object (0) or > 0 (the action for a child).
2786 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2787 // string if there is no action.
2788 // The retrieved string describes the action that is performed on an object,
2789 // not what the object does as a result. For example, a toolbar button that prints
2790 // a document has a default action of "Press" rather than "Prints the current document."
2791 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2792 {
2793     wxASSERT( GetWindow() != NULL );
2794     if (!GetWindow())
2795         return wxACC_FAIL;
2796
2797     return wxACC_NOT_IMPLEMENTED;
2798 }
2799
2800 // Returns the description for this object or a child.
2801 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2802 {
2803     wxASSERT( GetWindow() != NULL );
2804     if (!GetWindow())
2805         return wxACC_FAIL;
2806
2807     wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2808     if (!ht.empty())
2809     {
2810         *description = ht;
2811         return wxACC_OK;
2812     }
2813     return wxACC_NOT_IMPLEMENTED;
2814 }
2815
2816 // Returns help text for this object or a child, similar to tooltip text.
2817 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2818 {
2819     wxASSERT( GetWindow() != NULL );
2820     if (!GetWindow())
2821         return wxACC_FAIL;
2822
2823     wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
2824     if (!ht.empty())
2825     {
2826         *helpText = ht;
2827         return wxACC_OK;
2828     }
2829     return wxACC_NOT_IMPLEMENTED;
2830 }
2831
2832 // Returns the keyboard shortcut for this object or child.
2833 // Return e.g. ALT+K
2834 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2835 {
2836     wxASSERT( GetWindow() != NULL );
2837     if (!GetWindow())
2838         return wxACC_FAIL;
2839
2840     return wxACC_NOT_IMPLEMENTED;
2841 }
2842
2843 // Returns a role constant.
2844 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2845 {
2846     wxASSERT( GetWindow() != NULL );
2847     if (!GetWindow())
2848         return wxACC_FAIL;
2849
2850     // If a child, leave wxWidgets to call the function on the actual
2851     // child object.
2852     if (childId > 0)
2853         return wxACC_NOT_IMPLEMENTED;
2854
2855     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2856         return wxACC_NOT_IMPLEMENTED;
2857 #if wxUSE_STATUSBAR
2858     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2859         return wxACC_NOT_IMPLEMENTED;
2860 #endif
2861 #if wxUSE_TOOLBAR
2862     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2863         return wxACC_NOT_IMPLEMENTED;
2864 #endif
2865
2866     //*role = wxROLE_SYSTEM_CLIENT;
2867     *role = wxROLE_SYSTEM_CLIENT;
2868     return wxACC_OK;
2869
2870     #if 0
2871     return wxACC_NOT_IMPLEMENTED;
2872     #endif
2873 }
2874
2875 // Returns a state constant.
2876 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2877 {
2878     wxASSERT( GetWindow() != NULL );
2879     if (!GetWindow())
2880         return wxACC_FAIL;
2881
2882     // If a child, leave wxWidgets to call the function on the actual
2883     // child object.
2884     if (childId > 0)
2885         return wxACC_NOT_IMPLEMENTED;
2886
2887     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2888         return wxACC_NOT_IMPLEMENTED;
2889
2890 #if wxUSE_STATUSBAR
2891     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2892         return wxACC_NOT_IMPLEMENTED;
2893 #endif
2894 #if wxUSE_TOOLBAR
2895     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2896         return wxACC_NOT_IMPLEMENTED;
2897 #endif
2898
2899     *state = 0;
2900     return wxACC_OK;
2901
2902     #if 0
2903     return wxACC_NOT_IMPLEMENTED;
2904     #endif
2905 }
2906
2907 // Returns a localized string representing the value for the object
2908 // or child.
2909 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2910 {
2911     wxASSERT( GetWindow() != NULL );
2912     if (!GetWindow())
2913         return wxACC_FAIL;
2914
2915     return wxACC_NOT_IMPLEMENTED;
2916 }
2917
2918 // Selects the object or child.
2919 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2920 {
2921     wxASSERT( GetWindow() != NULL );
2922     if (!GetWindow())
2923         return wxACC_FAIL;
2924
2925     return wxACC_NOT_IMPLEMENTED;
2926 }
2927
2928 // Gets the window with the keyboard focus.
2929 // If childId is 0 and child is NULL, no object in
2930 // this subhierarchy has the focus.
2931 // If this object has the focus, child should be 'this'.
2932 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2933 {
2934     wxASSERT( GetWindow() != NULL );
2935     if (!GetWindow())
2936         return wxACC_FAIL;
2937
2938     return wxACC_NOT_IMPLEMENTED;
2939 }
2940
2941 // Gets a variant representing the selected children
2942 // of this object.
2943 // Acceptable values:
2944 // - a null variant (IsNull() returns true)
2945 // - a list variant (GetType() == wxT("list")
2946 // - an integer representing the selected child element,
2947 //   or 0 if this object is selected (GetType() == wxT("long")
2948 // - a "void*" pointer to a wxAccessible child object
2949 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
2950 {
2951     wxASSERT( GetWindow() != NULL );
2952     if (!GetWindow())
2953         return wxACC_FAIL;
2954
2955     return wxACC_NOT_IMPLEMENTED;
2956 }
2957
2958 #endif // wxUSE_ACCESSIBILITY