src/common/wincmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/window.cpp
   3 // Purpose:     common (to all ports) wxWindow functions
   4 // Author:      Julian Smart, Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "windowbase.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/string.h"
  33     #include "wx/log.h"
  34     #include "wx/intl.h"
  35     #include "wx/frame.h"
  36     #include "wx/defs.h"
  37     #include "wx/window.h"
  38     #include "wx/control.h"
  39     #include "wx/checkbox.h"
  40     #include "wx/radiobut.h"
  41     #include "wx/statbox.h"
  42     #include "wx/textctrl.h"
  43     #include "wx/settings.h"
  44     #include "wx/dialog.h"
  45     #include "wx/msgdlg.h"
  46     #include "wx/statusbr.h"
  47     #include "wx/toolbar.h"
  48     #include "wx/dcclient.h"
  49 #endif //WX_PRECOMP
  50
  51 #if defined(__WXMAC__) && wxUSE_SCROLLBAR
  52     #include "wx/scrolbar.h"
  53 #endif
  54
  55 #if wxUSE_CONSTRAINTS
  56     #include "wx/layout.h"
  57 #endif // wxUSE_CONSTRAINTS
  58
  59 #include "wx/sizer.h"
  60
  61 #if wxUSE_DRAG_AND_DROP
  62     #include "wx/dnd.h"
  63 #endif // wxUSE_DRAG_AND_DROP
  64
  65 #if wxUSE_ACCESSIBILITY
  66     #include "wx/access.h"
  67 #endif
  68
  69 #if wxUSE_HELP
  70     #include "wx/cshelp.h"
  71 #endif // wxUSE_HELP
  72
  73 #if wxUSE_TOOLTIPS
  74     #include "wx/tooltip.h"
  75 #endif // wxUSE_TOOLTIPS
  76
  77 #if wxUSE_CARET
  78     #include "wx/caret.h"
  79 #endif // wxUSE_CARET
  80
  81 #if wxUSE_DISPLAY
  82     #include "wx/display.h"
  83 #endif
  84
  85 #if wxUSE_SYSTEM_OPTIONS
  86     #include "wx/sysopt.h"
  87 #endif
  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     // Reserved for future use
 221     m_windowReserved = NULL;
 222 }
 223
 224 // common part of window creation process
 225 bool wxWindowBase::CreateBase(wxWindowBase *parent,
 226                               wxWindowID id,
 227                               const wxPoint& WXUNUSED(pos),
 228                               const wxSize& WXUNUSED(size),
 229                               long style,
 230                               const wxValidator& wxVALIDATOR_PARAM(validator),
 231                               const wxString& name)
 232 {
 233 #if wxUSE_STATBOX
 234     // wxGTK doesn't allow to create controls with static box as the parent so
 235     // this will result in a crash when the program is ported to wxGTK so warn
 236     // the user about it
 237
 238     // if you get this assert, the correct solution is to create the controls
 239     // as siblings of the static box
 240     wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
 241                   _T("wxStaticBox can't be used as a window parent!") );
 242 #endif // wxUSE_STATBOX
 243
 244     // ids are limited to 16 bits under MSW so if you care about portability,
 245     // it's not a good idea to use ids out of this range (and negative ids are
 246     // reserved for wxWidgets own usage)
 247     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
 248                   _T("invalid id value") );
 249
 250     // generate a new id if the user doesn't care about it
 251     m_windowId = id == wxID_ANY ? NewControlId() : id;
 252
 253     SetName(name);
 254     SetWindowStyleFlag(style);
 255     SetParent(parent);
 256
 257 #if wxUSE_VALIDATORS
 258     SetValidator(validator);
 259 #endif // wxUSE_VALIDATORS
 260
 261     // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
 262     // have it too - like this it's possible to set it only in the top level
 263     // dialog/frame and all children will inherit it by defult
 264     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
 265     {
 266         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
 267     }
 268
 269     return true;
 270 }
 271
 272 // ----------------------------------------------------------------------------
 273 // destruction
 274 // ----------------------------------------------------------------------------
 275
 276 // common clean up
 277 wxWindowBase::~wxWindowBase()
 278 {
 279     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 280
 281     // FIXME if these 2 cases result from programming errors in the user code
 282     //       we should probably assert here instead of silently fixing them
 283
 284     // Just in case the window has been Closed, but we're then deleting
 285     // immediately: don't leave dangling pointers.
 286     wxPendingDelete.DeleteObject(this);
 287
 288     // Just in case we've loaded a top-level window via LoadNativeDialog but
 289     // we weren't a dialog class
 290     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 291
 292     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 293
 294     // reset the dangling pointer our parent window may keep to us
 295     if ( m_parent )
 296     {
 297         if ( m_parent->GetDefaultItem() == this )
 298         {
 299             m_parent->SetDefaultItem(NULL);
 300         }
 301
 302         m_parent->RemoveChild(this);
 303     }
 304
 305 #if wxUSE_CARET
 306     delete m_caret;
 307 #endif // wxUSE_CARET
 308
 309 #if wxUSE_VALIDATORS
 310     delete m_windowValidator;
 311 #endif // wxUSE_VALIDATORS
 312
 313 #if wxUSE_CONSTRAINTS
 314     // Have to delete constraints/sizer FIRST otherwise sizers may try to look
 315     // at deleted windows as they delete themselves.
 316     DeleteRelatedConstraints();
 317
 318     if ( m_constraints )
 319     {
 320         // This removes any dangling pointers to this window in other windows'
 321         // constraintsInvolvedIn lists.
 322         UnsetConstraints(m_constraints);
 323         delete m_constraints;
 324         m_constraints = NULL;
 325     }
 326 #endif // wxUSE_CONSTRAINTS
 327
 328     if ( m_containingSizer )
 329         m_containingSizer->Detach( (wxWindow*)this );
 330
 331     delete m_windowSizer;
 332
 333 #if wxUSE_DRAG_AND_DROP
 334     delete m_dropTarget;
 335 #endif // wxUSE_DRAG_AND_DROP
 336
 337 #if wxUSE_TOOLTIPS
 338     delete m_tooltip;
 339 #endif // wxUSE_TOOLTIPS
 340
 341 #if wxUSE_ACCESSIBILITY
 342     delete m_accessible;
 343 #endif
 344 }
 345
 346 bool wxWindowBase::Destroy()
 347 {
 348     delete this;
 349
 350     return true;
 351 }
 352
 353 bool wxWindowBase::Close(bool force)
 354 {
 355     wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
 356     event.SetEventObject(this);
 357     event.SetCanVeto(!force);
 358
 359     // return false if window wasn't closed because the application vetoed the
 360     // close event
 361     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 362 }
 363
 364 bool wxWindowBase::DestroyChildren()
 365 {
 366     wxWindowList::compatibility_iterator node;
 367     for ( ;; )
 368     {
 369         // we iterate until the list becomes empty
 370         node = GetChildren().GetFirst();
 371         if ( !node )
 372             break;
 373
 374         wxWindow *child = node->GetData();
 375
 376         // note that we really want to call delete and not ->Destroy() here
 377         // because we want to delete the child immediately, before we are
 378         // deleted, and delayed deletion would result in problems as our (top
 379         // level) child could outlive its parent
 380         delete child;
 381
 382         wxASSERT_MSG( !GetChildren().Find(child),
 383                       wxT("child didn't remove itself using RemoveChild()") );
 384     }
 385
 386     return true;
 387 }
 388
 389 // ----------------------------------------------------------------------------
 390 // size/position related methods
 391 // ----------------------------------------------------------------------------
 392
 393 // centre the window with respect to its parent in either (or both) directions
 394 void wxWindowBase::Centre(int direction)
 395 {
 396     // the position/size of the parent window or of the entire screen
 397     wxPoint posParent;
 398     int widthParent, heightParent;
 399
 400     wxWindow *parent = NULL;
 401     wxTopLevelWindow *winTop = NULL;
 402
 403     if ( !(direction & wxCENTRE_ON_SCREEN) )
 404     {
 405         // find the parent to centre this window on: it should be the
 406         // immediate parent for the controls but the top level parent for the
 407         // top level windows (like dialogs)
 408         parent = GetParent();
 409         if ( IsTopLevel() )
 410         {
 411             while ( parent && !parent->IsTopLevel() )
 412             {
 413                 parent = parent->GetParent();
 414             }
 415         }
 416
 417         // there is no wxTopLevelWindow under wxMotif yet
 418 #ifndef __WXMOTIF__
 419         // we shouldn't center the dialog on the iconized window: under
 420         // Windows, for example, this places it completely off the screen
 421         if ( parent )
 422         {
 423             winTop = wxDynamicCast(parent, wxTopLevelWindow);
 424             if ( winTop && winTop->IsIconized() )
 425             {
 426                 winTop = NULL;
 427                 parent = NULL;
 428             }
 429         }
 430 #endif // __WXMOTIF__
 431
 432         // did we find the parent?
 433         if ( !parent )
 434         {
 435             // no other choice
 436             direction |= wxCENTRE_ON_SCREEN;
 437         }
 438     }
 439
 440     if ( direction & wxCENTRE_ON_SCREEN )
 441     {
 442         //RN:  If we are using wxDisplay we get
 443         //the dimensions of the monitor the window is on,
 444         //otherwise we get the dimensions of the primary monitor
 445         //FIXME:  wxDisplay::GetFromWindow only implemented on MSW
 446 #if wxUSE_DISPLAY && defined(__WXMSW__)
 447         int nDisplay = wxDisplay::GetFromWindow((wxWindow*)this);
 448         if(nDisplay != wxNOT_FOUND)
 449         {
 450             wxDisplay windowDisplay(nDisplay);
 451             wxRect displayRect = windowDisplay.GetGeometry();
 452             widthParent = displayRect.width;
 453             heightParent = displayRect.height;
 454         }
 455         else
 456 #endif
 457         // centre with respect to the whole screen
 458         wxDisplaySize(&widthParent, &heightParent);
 459     }
 460     else
 461     {
 462         if ( IsTopLevel() )
 463         {
 464             if(winTop)
 465                 winTop->GetRectForTopLevelChildren(&posParent.x, &posParent.y, &widthParent, &heightParent);
 466             else
 467             {
 468                 // centre on the parent
 469                 parent->GetSize(&widthParent, &heightParent);
 470
 471                 // adjust to the parents position
 472                 posParent = parent->GetPosition();
 473             }
 474         }
 475         else
 476         {
 477             // centre inside the parents client rectangle
 478             parent->GetClientSize(&widthParent, &heightParent);
 479         }
 480     }
 481
 482     int width, height;
 483     GetSize(&width, &height);
 484
 485     int xNew = wxDefaultCoord,
 486         yNew = wxDefaultCoord;
 487
 488     if ( direction & wxHORIZONTAL )
 489         xNew = (widthParent - width)/2;
 490
 491     if ( direction & wxVERTICAL )
 492         yNew = (heightParent - height)/2;
 493
 494     xNew += posParent.x;
 495     yNew += posParent.y;
 496
 497     // FIXME:  This needs to get the client display rect of the display
 498     // the window is (via wxDisplay::GetFromWindow).
 499
 500     // Base size of the visible dimensions of the display
 501     // to take into account the taskbar. And the Mac menu bar at top.
 502     wxRect clientrect = wxGetClientDisplayRect();
 503
 504     // NB: in wxMSW, negative position may not necessarily mean "out of screen",
 505     //     but it may mean that the window is placed on other than the main
 506     //     display. Therefore we only make sure centered window is on the main display
 507     //     if the parent is at least partially present here.
 508     if (posParent.x + widthParent >= 0)  // if parent is (partially) on the main display
 509     {
 510         if (xNew < clientrect.GetLeft())
 511             xNew = clientrect.GetLeft();
 512         else if (xNew + width > clientrect.GetRight())
 513             xNew = clientrect.GetRight() - width;
 514     }
 515     if (posParent.y + heightParent >= 0)  // if parent is (partially) on the main display
 516     {
 517         if (yNew + height > clientrect.GetBottom())
 518             yNew = clientrect.GetBottom() - height;
 519
 520         // Make certain that the title bar is initially visible
 521         // always, even if this would push the bottom of the
 522         // dialog off the visible area of the display
 523         if (yNew < clientrect.GetTop())
 524             yNew = clientrect.GetTop();
 525     }
 526
 527     // move the window to this position (keeping the old size but using
 528     // SetSize() and not Move() to allow xNew and/or yNew to be wxDefaultCoord)
 529     SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
 530 }
 531
 532 // fits the window around the children
 533 void wxWindowBase::Fit()
 534 {
 535     if ( GetChildren().GetCount() > 0 )
 536     {
 537         SetSize(GetBestSize());
 538     }
 539     //else: do nothing if we have no children
 540 }
 541
 542 // fits virtual size (ie. scrolled area etc.) around children
 543 void wxWindowBase::FitInside()
 544 {
 545     if ( GetChildren().GetCount() > 0 )
 546     {
 547         SetVirtualSize( GetBestVirtualSize() );
 548     }
 549 }
 550
 551 // On Mac, scrollbars are explicitly children.
 552 #ifdef __WXMAC__
 553 static bool wxHasRealChildren(const wxWindowBase* win)
 554 {
 555     int realChildCount = 0;
 556
 557     for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
 558           node;
 559           node = node->GetNext() )
 560     {
 561         wxWindow *win = node->GetData();
 562         if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
 563             realChildCount ++;
 564     }
 565     return (realChildCount > 0);
 566 }
 567 #endif
 568
 569 void wxWindowBase::InvalidateBestSize()
 570 {
 571     m_bestSizeCache = wxDefaultSize;
 572
 573     // parent's best size calculation may depend on its children's
 574     // best sizes, so let's invalidate it as well to be safe:
 575     if (m_parent)
 576         m_parent->InvalidateBestSize();
 577 }
 578
 579 // return the size best suited for the current window
 580 wxSize wxWindowBase::DoGetBestSize() const
 581 {
 582     wxSize best;
 583
 584     if ( m_windowSizer )
 585     {
 586         best = m_windowSizer->GetMinSize();
 587     }
 588 #if wxUSE_CONSTRAINTS
 589     else if ( m_constraints )
 590     {
 591         wxConstCast(this, wxWindowBase)->SatisfyConstraints();
 592
 593         // our minimal acceptable size is such that all our windows fit inside
 594         int maxX = 0,
 595             maxY = 0;
 596
 597         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 598               node;
 599               node = node->GetNext() )
 600         {
 601             wxLayoutConstraints *c = node->GetData()->GetConstraints();
 602             if ( !c )
 603             {
 604                 // it's not normal that we have an unconstrained child, but
 605                 // what can we do about it?
 606                 continue;
 607             }
 608
 609             int x = c->right.GetValue(),
 610                 y = c->bottom.GetValue();
 611
 612             if ( x > maxX )
 613                 maxX = x;
 614
 615             if ( y > maxY )
 616                 maxY = y;
 617
 618             // TODO: we must calculate the overlaps somehow, otherwise we
 619             //       will never return a size bigger than the current one :-(
 620         }
 621
 622         best = wxSize(maxX, maxY);
 623     }
 624 #endif // wxUSE_CONSTRAINTS
 625     else if ( !GetChildren().empty()
 626 #ifdef __WXMAC__
 627               && wxHasRealChildren(this)
 628 #endif
 629               )
 630     {
 631         // our minimal acceptable size is such that all our visible child windows fit inside
 632         int maxX = 0,
 633             maxY = 0;
 634
 635         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 636               node;
 637               node = node->GetNext() )
 638         {
 639             wxWindow *win = node->GetData();
 640             if ( win->IsTopLevel()  || ( ! win->IsShown() )
 641 #if wxUSE_STATUSBAR
 642                     || wxDynamicCast(win, wxStatusBar)
 643 #endif // wxUSE_STATUSBAR
 644                )
 645             {
 646                 // dialogs and frames lie in different top level windows -
 647                 // don't deal with them here; as for the status bars, they
 648                 // don't lie in the client area at all
 649                 continue;
 650             }
 651
 652             int wx, wy, ww, wh;
 653             win->GetPosition(&wx, &wy);
 654
 655             // if the window hadn't been positioned yet, assume that it is in
 656             // the origin
 657             if ( wx == wxDefaultCoord )
 658                 wx = 0;
 659             if ( wy == wxDefaultCoord )
 660                 wy = 0;
 661
 662             win->GetSize(&ww, &wh);
 663             if ( wx + ww > maxX )
 664                 maxX = wx + ww;
 665             if ( wy + wh > maxY )
 666                 maxY = wy + wh;
 667         }
 668
 669         // for compatibility with the old versions and because it really looks
 670         // slightly more pretty like this, add a pad
 671         maxX += 7;
 672         maxY += 14;
 673
 674         best = wxSize(maxX, maxY);
 675     }
 676     else // ! has children
 677     {
 678         // for a generic window there is no natural best size so, if the
 679         // minimal size is not set, use the current size but take care to
 680         // remember it as minimal size for the next time because our best size
 681         // should be constant: otherwise we could get into a situation when the
 682         // window is initially at some size, then expanded to a larger size and
 683         // then, when the containing window is shrunk back (because our initial
 684         // best size had been used for computing the parent min size), we can't
 685         // be shrunk back any more because our best size is now bigger
 686         if ( !GetMinSize().IsFullySpecified() )
 687             wxConstCast(this, wxWindowBase)->SetMinSize(GetSize());
 688
 689         // return as-is, unadjusted by the client size difference.
 690         return GetMinSize();
 691     }
 692
 693     // Add any difference between size and client size
 694     wxSize diff = GetSize() - GetClientSize();
 695     best.x += wxMax(0, diff.x);
 696     best.y += wxMax(0, diff.y);
 697
 698     return best;
 699 }
 700
 701
 702 wxSize wxWindowBase::GetBestFittingSize() const
 703 {
 704     // merge the best size with the min size, giving priority to the min size
 705     wxSize min = GetMinSize();
 706     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
 707     {
 708         wxSize best = GetBestSize();
 709         if (min.x == wxDefaultCoord) min.x =  best.x;
 710         if (min.y == wxDefaultCoord) min.y =  best.y;
 711     }
 712     return min;
 713 }
 714
 715
 716 void wxWindowBase::SetBestFittingSize(const wxSize& size)
 717 {
 718     // Set the min size to the size passed in.  This will usually either be
 719     // wxDefaultSize or the size passed to this window's ctor/Create function.
 720     SetMinSize(size);
 721
 722     // Merge the size with the best size if needed
 723     wxSize best = GetBestFittingSize();
 724
 725     // If the current size doesn't match then change it
 726     if (GetSize() != best)
 727         SetSize(best);
 728 }
 729
 730
 731 // by default the origin is not shifted
 732 wxPoint wxWindowBase::GetClientAreaOrigin() const
 733 {
 734     return wxPoint(0,0);
 735 }
 736
 737 // set the min/max size of the window
 738 void wxWindowBase::DoSetSizeHints(int minW, int minH,
 739                                   int maxW, int maxH,
 740                                   int WXUNUSED(incW), int WXUNUSED(incH))
 741 {
 742     // setting min width greater than max width leads to infinite loops under
 743     // X11 and generally doesn't make any sense, so don't allow it
 744     wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
 745                     (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
 746                  _T("min width/height must be less than max width/height!") );
 747
 748     m_minWidth = minW;
 749     m_maxWidth = maxW;
 750     m_minHeight = minH;
 751     m_maxHeight = maxH;
 752 }
 753
 754 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 755 {
 756     if ( m_windowVariant != variant )
 757     {
 758         m_windowVariant = variant;
 759
 760         DoSetWindowVariant(variant);
 761     }
 762 }
 763
 764 void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
 765 {
 766     // adjust the font height to correspond to our new variant (notice that
 767     // we're only called if something really changed)
 768     wxFont font = GetFont();
 769     int size = font.GetPointSize();
 770     switch ( variant )
 771     {
 772         case wxWINDOW_VARIANT_NORMAL:
 773             break;
 774
 775         case wxWINDOW_VARIANT_SMALL:
 776             size *= 3;
 777             size /= 4;
 778             break;
 779
 780         case wxWINDOW_VARIANT_MINI:
 781             size *= 2;
 782             size /= 3;
 783             break;
 784
 785         case wxWINDOW_VARIANT_LARGE:
 786             size *= 5;
 787             size /= 4;
 788             break;
 789
 790         default:
 791             wxFAIL_MSG(_T("unexpected window variant"));
 792             break;
 793     }
 794
 795     font.SetPointSize(size);
 796     SetFont(font);
 797 }
 798
 799 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 800                                         int maxW, int maxH )
 801 {
 802     m_minVirtualWidth = minW;
 803     m_maxVirtualWidth = maxW;
 804     m_minVirtualHeight = minH;
 805     m_maxVirtualHeight = maxH;
 806 }
 807
 808 void wxWindowBase::DoSetVirtualSize( int x, int y )
 809 {
 810     if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
 811         x = m_minVirtualWidth;
 812     if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
 813         x = m_maxVirtualWidth;
 814     if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
 815         y = m_minVirtualHeight;
 816     if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
 817         y = m_maxVirtualHeight;
 818
 819     m_virtualSize = wxSize(x, y);
 820 }
 821
 822 wxSize wxWindowBase::DoGetVirtualSize() const
 823 {
 824     if ( m_virtualSize.IsFullySpecified() )
 825         return m_virtualSize;
 826
 827     wxSize size = GetClientSize();
 828     if ( m_virtualSize.x != wxDefaultCoord )
 829         size.x = m_virtualSize.x;
 830
 831     if ( m_virtualSize.y != wxDefaultCoord )
 832         size.y = m_virtualSize.y;
 833
 834     return size;
 835 }
 836
 837 // ----------------------------------------------------------------------------
 838 // show/hide/enable/disable the window
 839 // ----------------------------------------------------------------------------
 840
 841 bool wxWindowBase::Show(bool show)
 842 {
 843     if ( show != m_isShown )
 844     {
 845         m_isShown = show;
 846
 847         return true;
 848     }
 849     else
 850     {
 851         return false;
 852     }
 853 }
 854
 855 bool wxWindowBase::Enable(bool enable)
 856 {
 857     if ( enable != m_isEnabled )
 858     {
 859         m_isEnabled = enable;
 860
 861         return true;
 862     }
 863     else
 864     {
 865         return false;
 866     }
 867 }
 868 // ----------------------------------------------------------------------------
 869 // RTTI
 870 // ----------------------------------------------------------------------------
 871
 872 bool wxWindowBase::IsTopLevel() const
 873 {
 874     return false;
 875 }
 876
 877 // ----------------------------------------------------------------------------
 878 // reparenting the window
 879 // ----------------------------------------------------------------------------
 880
 881 void wxWindowBase::AddChild(wxWindowBase *child)
 882 {
 883     wxCHECK_RET( child, wxT("can't add a NULL child") );
 884
 885     // this should never happen and it will lead to a crash later if it does
 886     // because RemoveChild() will remove only one node from the children list
 887     // and the other(s) one(s) will be left with dangling pointers in them
 888     wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
 889
 890     GetChildren().Append((wxWindow*)child);
 891     child->SetParent(this);
 892 }
 893
 894 void wxWindowBase::RemoveChild(wxWindowBase *child)
 895 {
 896     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 897
 898     GetChildren().DeleteObject((wxWindow *)child);
 899     child->SetParent(NULL);
 900 }
 901
 902 bool wxWindowBase::Reparent(wxWindowBase *newParent)
 903 {
 904     wxWindow *oldParent = GetParent();
 905     if ( newParent == oldParent )
 906     {
 907         // nothing done
 908         return false;
 909     }
 910
 911     // unlink this window from the existing parent.
 912     if ( oldParent )
 913     {
 914         oldParent->RemoveChild(this);
 915     }
 916     else
 917     {
 918         wxTopLevelWindows.DeleteObject((wxWindow *)this);
 919     }
 920
 921     // add it to the new one
 922     if ( newParent )
 923     {
 924         newParent->AddChild(this);
 925     }
 926     else
 927     {
 928         wxTopLevelWindows.Append((wxWindow *)this);
 929     }
 930
 931     return true;
 932 }
 933
 934 // ----------------------------------------------------------------------------
 935 // event handler stuff
 936 // ----------------------------------------------------------------------------
 937
 938 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 939 {
 940     wxEvtHandler *handlerOld = GetEventHandler();
 941
 942     handler->SetNextHandler(handlerOld);
 943
 944     if ( handlerOld )
 945         GetEventHandler()->SetPreviousHandler(handler);
 946
 947     SetEventHandler(handler);
 948 }
 949
 950 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 951 {
 952     wxEvtHandler *handlerA = GetEventHandler();
 953     if ( handlerA )
 954     {
 955         wxEvtHandler *handlerB = handlerA->GetNextHandler();
 956         handlerA->SetNextHandler((wxEvtHandler *)NULL);
 957
 958         if ( handlerB )
 959             handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
 960         SetEventHandler(handlerB);
 961
 962         if ( deleteHandler )
 963         {
 964             delete handlerA;
 965             handlerA = (wxEvtHandler *)NULL;
 966         }
 967     }
 968
 969     return handlerA;
 970 }
 971
 972 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 973 {
 974     wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 975
 976     wxEvtHandler *handlerPrev = NULL,
 977                  *handlerCur = GetEventHandler();
 978     while ( handlerCur )
 979     {
 980         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 981
 982         if ( handlerCur == handler )
 983         {
 984             if ( handlerPrev )
 985             {
 986                 handlerPrev->SetNextHandler(handlerNext);
 987             }
 988             else
 989             {
 990                 SetEventHandler(handlerNext);
 991             }
 992
 993             if ( handlerNext )
 994             {
 995                 handlerNext->SetPreviousHandler ( handlerPrev );
 996             }
 997
 998             handler->SetNextHandler(NULL);
 999             handler->SetPreviousHandler(NULL);
1000
1001             return true;
1002         }
1003
1004         handlerPrev = handlerCur;
1005         handlerCur = handlerNext;
1006     }
1007
1008     wxFAIL_MSG( _T("where has the event handler gone?") );
1009
1010     return false;
1011 }
1012
1013 // ----------------------------------------------------------------------------
1014 // colours, fonts &c
1015 // ----------------------------------------------------------------------------
1016
1017 void wxWindowBase::InheritAttributes()
1018 {
1019     const wxWindowBase * const parent = GetParent();
1020     if ( !parent )
1021         return;
1022
1023     // we only inherit attributes which had been explicitly set for the parent
1024     // which ensures that this only happens if the user really wants it and
1025     // not by default which wouldn't make any sense in modern GUIs where the
1026     // controls don't all use the same fonts (nor colours)
1027     if ( parent->m_inheritFont && !m_hasFont )
1028         SetFont(parent->GetFont());
1029
1030     // in addition, there is a possibility to explicitly forbid inheriting
1031     // colours at each class level by overriding ShouldInheritColours()
1032     if ( ShouldInheritColours() )
1033     {
1034         if ( parent->m_inheritFgCol && !m_hasFgCol )
1035             SetForegroundColour(parent->GetForegroundColour());
1036
1037         // inheriting (solid) background colour is wrong as it totally breaks
1038         // any kind of themed backgrounds
1039         //
1040         // instead, the controls should use the same background as their parent
1041         // (ideally by not drawing it at all)
1042 #if 0
1043         if ( parent->m_inheritBgCol && !m_hasBgCol )
1044             SetBackgroundColour(parent->GetBackgroundColour());
1045 #endif // 0
1046     }
1047 }
1048
1049 /* static */ wxVisualAttributes
1050 wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1051 {
1052     // it is important to return valid values for all attributes from here,
1053     // GetXXX() below rely on this
1054     wxVisualAttributes attrs;
1055     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
1056     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1057
1058     // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
1059     // the usual background colour than wxSYS_COLOUR_BTNFACE.
1060     // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
1061     // colour on other platforms.
1062
1063 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
1064     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1065 #else
1066     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1067 #endif
1068     return attrs;
1069 }
1070
1071 wxColour wxWindowBase::GetBackgroundColour() const
1072 {
1073     if ( !m_backgroundColour.Ok() )
1074     {
1075         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
1076
1077         // get our default background colour
1078         wxColour colBg = GetDefaultAttributes().colBg;
1079
1080         // we must return some valid colour to avoid redoing this every time
1081         // and also to avoid surprizing the applications written for older
1082         // wxWidgets versions where GetBackgroundColour() always returned
1083         // something -- so give them something even if it doesn't make sense
1084         // for this window (e.g. it has a themed background)
1085         if ( !colBg.Ok() )
1086             colBg = GetClassDefaultAttributes().colBg;
1087
1088         return colBg;
1089     }
1090     else
1091         return m_backgroundColour;
1092 }
1093
1094 wxColour wxWindowBase::GetForegroundColour() const
1095 {
1096     // logic is the same as above
1097     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
1098     {
1099         wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
1100
1101         wxColour colFg = GetDefaultAttributes().colFg;
1102
1103         if ( !colFg.Ok() )
1104             colFg = GetClassDefaultAttributes().colFg;
1105
1106         return colFg;
1107     }
1108     else
1109         return m_foregroundColour;
1110 }
1111
1112 bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
1113 {
1114     if ( colour == m_backgroundColour )
1115         return false;
1116
1117     m_hasBgCol = colour.Ok();
1118     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
1119         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
1120
1121     m_inheritBgCol = m_hasBgCol;
1122     m_backgroundColour = colour;
1123     SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
1124     return true;
1125 }
1126
1127 bool wxWindowBase::SetForegroundColour( const wxColour &colour )
1128 {
1129     if (colour == m_foregroundColour )
1130         return false;
1131
1132     m_hasFgCol = colour.Ok();
1133     m_inheritFgCol = m_hasFgCol;
1134     m_foregroundColour = colour;
1135     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
1136     return true;
1137 }
1138
1139 bool wxWindowBase::SetCursor(const wxCursor& cursor)
1140 {
1141     // setting an invalid cursor is ok, it means that we don't have any special
1142     // cursor
1143     if ( m_cursor == cursor )
1144     {
1145         // no change
1146         return false;
1147     }
1148
1149     m_cursor = cursor;
1150
1151     return true;
1152 }
1153
1154 wxFont wxWindowBase::GetFont() const
1155 {
1156     // logic is the same as in GetBackgroundColour()
1157     if ( !m_font.Ok() )
1158     {
1159         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
1160
1161         wxFont font = GetDefaultAttributes().font;
1162         if ( !font.Ok() )
1163             font = GetClassDefaultAttributes().font;
1164
1165         return font;
1166     }
1167     else
1168         return m_font;
1169 }
1170
1171 bool wxWindowBase::SetFont(const wxFont& font)
1172 {
1173     if ( font == m_font )
1174     {
1175         // no change
1176         return false;
1177     }
1178
1179     m_font = font;
1180     m_hasFont = font.Ok();
1181     m_inheritFont = m_hasFont;
1182
1183     InvalidateBestSize();
1184
1185     return true;
1186 }
1187
1188 #if wxUSE_PALETTE
1189
1190 void wxWindowBase::SetPalette(const wxPalette& pal)
1191 {
1192     m_hasCustomPalette = true;
1193     m_palette = pal;
1194
1195     // VZ: can anyone explain me what do we do here?
1196     wxWindowDC d((wxWindow *) this);
1197     d.SetPalette(pal);
1198 }
1199
1200 wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
1201 {
1202     wxWindow *win = (wxWindow *)this;
1203     while ( win && !win->HasCustomPalette() )
1204     {
1205         win = win->GetParent();
1206     }
1207
1208     return win;
1209 }
1210
1211 #endif // wxUSE_PALETTE
1212
1213 #if wxUSE_CARET
1214 void wxWindowBase::SetCaret(wxCaret *caret)
1215 {
1216     if ( m_caret )
1217     {
1218         delete m_caret;
1219     }
1220
1221     m_caret = caret;
1222
1223     if ( m_caret )
1224     {
1225         wxASSERT_MSG( m_caret->GetWindow() == this,
1226                       wxT("caret should be created associated to this window") );
1227     }
1228 }
1229 #endif // wxUSE_CARET
1230
1231 #if wxUSE_VALIDATORS
1232 // ----------------------------------------------------------------------------
1233 // validators
1234 // ----------------------------------------------------------------------------
1235
1236 void wxWindowBase::SetValidator(const wxValidator& validator)
1237 {
1238     if ( m_windowValidator )
1239         delete m_windowValidator;
1240
1241     m_windowValidator = (wxValidator *)validator.Clone();
1242
1243     if ( m_windowValidator )
1244         m_windowValidator->SetWindow(this);
1245 }
1246 #endif // wxUSE_VALIDATORS
1247
1248 // ----------------------------------------------------------------------------
1249 // update region stuff
1250 // ----------------------------------------------------------------------------
1251
1252 wxRect wxWindowBase::GetUpdateClientRect() const
1253 {
1254     wxRegion rgnUpdate = GetUpdateRegion();
1255     rgnUpdate.Intersect(GetClientRect());
1256     wxRect rectUpdate = rgnUpdate.GetBox();
1257     wxPoint ptOrigin = GetClientAreaOrigin();
1258     rectUpdate.x -= ptOrigin.x;
1259     rectUpdate.y -= ptOrigin.y;
1260
1261     return rectUpdate;
1262 }
1263
1264 bool wxWindowBase::IsExposed(int x, int y) const
1265 {
1266     return m_updateRegion.Contains(x, y) != wxOutRegion;
1267 }
1268
1269 bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
1270 {
1271     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
1272 }
1273
1274 void wxWindowBase::ClearBackground()
1275 {
1276     // wxGTK uses its own version, no need to add never used code
1277 #ifndef __WXGTK__
1278     wxClientDC dc((wxWindow *)this);
1279     wxBrush brush(GetBackgroundColour(), wxSOLID);
1280     dc.SetBackground(brush);
1281     dc.Clear();
1282 #endif // __WXGTK__
1283 }
1284
1285 // ----------------------------------------------------------------------------
1286 // find child window by id or name
1287 // ----------------------------------------------------------------------------
1288
1289 wxWindow *wxWindowBase::FindWindow(long id) const
1290 {
1291     if ( id == m_windowId )
1292         return (wxWindow *)this;
1293
1294     wxWindowBase *res = (wxWindow *)NULL;
1295     wxWindowList::compatibility_iterator node;
1296     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1297     {
1298         wxWindowBase *child = node->GetData();
1299         res = child->FindWindow( id );
1300     }
1301
1302     return (wxWindow *)res;
1303 }
1304
1305 wxWindow *wxWindowBase::FindWindow(const wxString& name) const
1306 {
1307     if ( name == m_windowName )
1308         return (wxWindow *)this;
1309
1310     wxWindowBase *res = (wxWindow *)NULL;
1311     wxWindowList::compatibility_iterator node;
1312     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
1313     {
1314         wxWindow *child = node->GetData();
1315         res = child->FindWindow(name);
1316     }
1317
1318     return (wxWindow *)res;
1319 }
1320
1321
1322 // find any window by id or name or label: If parent is non-NULL, look through
1323 // children for a label or title matching the specified string. If NULL, look
1324 // through all top-level windows.
1325 //
1326 // to avoid duplicating code we reuse the same helper function but with
1327 // different comparators
1328
1329 typedef bool (*wxFindWindowCmp)(const wxWindow *win,
1330                                 const wxString& label, long id);
1331
1332 static
1333 bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
1334                            long WXUNUSED(id))
1335 {
1336     return win->GetLabel() == label;
1337 }
1338
1339 static
1340 bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
1341                           long WXUNUSED(id))
1342 {
1343     return win->GetName() == label;
1344 }
1345
1346 static
1347 bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
1348                         long id)
1349 {
1350     return win->GetId() == id;
1351 }
1352
1353 // recursive helper for the FindWindowByXXX() functions
1354 static
1355 wxWindow *wxFindWindowRecursively(const wxWindow *parent,
1356                                   const wxString& label,
1357                                   long id,
1358                                   wxFindWindowCmp cmp)
1359 {
1360     if ( parent )
1361     {
1362         // see if this is the one we're looking for
1363         if ( (*cmp)(parent, label, id) )
1364             return (wxWindow *)parent;
1365
1366         // It wasn't, so check all its children
1367         for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
1368               node;
1369               node = node->GetNext() )
1370         {
1371             // recursively check each child
1372             wxWindow *win = (wxWindow *)node->GetData();
1373             wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1374             if (retwin)
1375                 return retwin;
1376         }
1377     }
1378
1379     // Not found
1380     return NULL;
1381 }
1382
1383 // helper for FindWindowByXXX()
1384 static
1385 wxWindow *wxFindWindowHelper(const wxWindow *parent,
1386                              const wxString& label,
1387                              long id,
1388                              wxFindWindowCmp cmp)
1389 {
1390     if ( parent )
1391     {
1392         // just check parent and all its children
1393         return wxFindWindowRecursively(parent, label, id, cmp);
1394     }
1395
1396     // start at very top of wx's windows
1397     for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1398           node;
1399           node = node->GetNext() )
1400     {
1401         // recursively check each window & its children
1402         wxWindow *win = node->GetData();
1403         wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
1404         if (retwin)
1405             return retwin;
1406     }
1407
1408     return NULL;
1409 }
1410
1411 /* static */
1412 wxWindow *
1413 wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
1414 {
1415     return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
1416 }
1417
1418 /* static */
1419 wxWindow *
1420 wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
1421 {
1422     wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
1423
1424     if ( !win )
1425     {
1426         // fall back to the label
1427         win = FindWindowByLabel(title, parent);
1428     }
1429
1430     return win;
1431 }
1432
1433 /* static */
1434 wxWindow *
1435 wxWindowBase::FindWindowById( long id, const wxWindow* parent )
1436 {
1437     return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
1438 }
1439
1440 // ----------------------------------------------------------------------------
1441 // dialog oriented functions
1442 // ----------------------------------------------------------------------------
1443
1444 void wxWindowBase::MakeModal(bool modal)
1445 {
1446     // Disable all other windows
1447     if ( IsTopLevel() )
1448     {
1449         wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
1450         while (node)
1451         {
1452             wxWindow *win = node->GetData();
1453             if (win != this)
1454                 win->Enable(!modal);
1455
1456             node = node->GetNext();
1457         }
1458     }
1459 }
1460
1461 bool wxWindowBase::Validate()
1462 {
1463 #if wxUSE_VALIDATORS
1464     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1465
1466     wxWindowList::compatibility_iterator node;
1467     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1468     {
1469         wxWindowBase *child = node->GetData();
1470         wxValidator *validator = child->GetValidator();
1471         if ( validator && !validator->Validate((wxWindow *)this) )
1472         {
1473             return false;
1474         }
1475
1476         if ( recurse && !child->Validate() )
1477         {
1478             return false;
1479         }
1480     }
1481 #endif // wxUSE_VALIDATORS
1482
1483     return true;
1484 }
1485
1486 bool wxWindowBase::TransferDataToWindow()
1487 {
1488 #if wxUSE_VALIDATORS
1489     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1490
1491     wxWindowList::compatibility_iterator node;
1492     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1493     {
1494         wxWindowBase *child = node->GetData();
1495         wxValidator *validator = child->GetValidator();
1496         if ( validator && !validator->TransferToWindow() )
1497         {
1498             wxLogWarning(_("Could not transfer data to window"));
1499 #if wxUSE_LOG
1500             wxLog::FlushActive();
1501 #endif // wxUSE_LOG
1502
1503             return false;
1504         }
1505
1506         if ( recurse )
1507         {
1508             if ( !child->TransferDataToWindow() )
1509             {
1510                 // warning already given
1511                 return false;
1512             }
1513         }
1514     }
1515 #endif // wxUSE_VALIDATORS
1516
1517     return true;
1518 }
1519
1520 bool wxWindowBase::TransferDataFromWindow()
1521 {
1522 #if wxUSE_VALIDATORS
1523     bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
1524
1525     wxWindowList::compatibility_iterator node;
1526     for ( node = m_children.GetFirst(); node; node = node->GetNext() )
1527     {
1528         wxWindow *child = node->GetData();
1529         wxValidator *validator = child->GetValidator();
1530         if ( validator && !validator->TransferFromWindow() )
1531         {
1532             // nop warning here because the application is supposed to give
1533             // one itself - we don't know here what might have gone wrongly
1534
1535             return false;
1536         }
1537
1538         if ( recurse )
1539         {
1540             if ( !child->TransferDataFromWindow() )
1541             {
1542                 // warning already given
1543                 return false;
1544             }
1545         }
1546     }
1547 #endif // wxUSE_VALIDATORS
1548
1549     return true;
1550 }
1551
1552 void wxWindowBase::InitDialog()
1553 {
1554     wxInitDialogEvent event(GetId());
1555     event.SetEventObject( this );
1556     GetEventHandler()->ProcessEvent(event);
1557 }
1558
1559 // ----------------------------------------------------------------------------
1560 // context-sensitive help support
1561 // ----------------------------------------------------------------------------
1562
1563 #if wxUSE_HELP
1564
1565 // associate this help text with this window
1566 void wxWindowBase::SetHelpText(const wxString& text)
1567 {
1568     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1569     if ( helpProvider )
1570     {
1571         helpProvider->AddHelp(this, text);
1572     }
1573 }
1574
1575 // associate this help text with all windows with the same id as this
1576 // one
1577 void wxWindowBase::SetHelpTextForId(const wxString& text)
1578 {
1579     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1580     if ( helpProvider )
1581     {
1582         helpProvider->AddHelp(GetId(), text);
1583     }
1584 }
1585
1586 // get the help string associated with this window (may be empty)
1587 wxString wxWindowBase::GetHelpText() const
1588 {
1589     wxString text;
1590     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1591     if ( helpProvider )
1592     {
1593         text = helpProvider->GetHelp(this);
1594     }
1595
1596     return text;
1597 }
1598
1599 // show help for this window
1600 void wxWindowBase::OnHelp(wxHelpEvent& event)
1601 {
1602     wxHelpProvider *helpProvider = wxHelpProvider::Get();
1603     if ( helpProvider )
1604     {
1605         if ( helpProvider->ShowHelp(this) )
1606         {
1607             // skip the event.Skip() below
1608             return;
1609         }
1610     }
1611
1612     event.Skip();
1613 }
1614
1615 #endif // wxUSE_HELP
1616
1617 // ----------------------------------------------------------------------------
1618 // tooltipsroot.Replace("\\", "/");
1619 // ----------------------------------------------------------------------------
1620
1621 #if wxUSE_TOOLTIPS
1622
1623 void wxWindowBase::SetToolTip( const wxString &tip )
1624 {
1625     // don't create the new tooltip if we already have one
1626     if ( m_tooltip )
1627     {
1628         m_tooltip->SetTip( tip );
1629     }
1630     else
1631     {
1632         SetToolTip( new wxToolTip( tip ) );
1633     }
1634
1635     // setting empty tooltip text does not remove the tooltip any more - use
1636     // SetToolTip((wxToolTip *)NULL) for this
1637 }
1638
1639 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
1640 {
1641     if ( m_tooltip )
1642         delete m_tooltip;
1643
1644     m_tooltip = tooltip;
1645 }
1646
1647 #endif // wxUSE_TOOLTIPS
1648
1649 // ----------------------------------------------------------------------------
1650 // constraints and sizers
1651 // ----------------------------------------------------------------------------
1652
1653 #if wxUSE_CONSTRAINTS
1654
1655 void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
1656 {
1657     if ( m_constraints )
1658     {
1659         UnsetConstraints(m_constraints);
1660         delete m_constraints;
1661     }
1662     m_constraints = constraints;
1663     if ( m_constraints )
1664     {
1665         // Make sure other windows know they're part of a 'meaningful relationship'
1666         if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
1667             m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
1668         if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
1669             m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
1670         if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
1671             m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
1672         if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
1673             m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
1674         if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
1675             m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
1676         if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
1677             m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
1678         if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
1679             m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
1680         if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
1681             m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
1682     }
1683 }
1684
1685 // This removes any dangling pointers to this window in other windows'
1686 // constraintsInvolvedIn lists.
1687 void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
1688 {
1689     if ( c )
1690     {
1691         if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1692             c->left.GetOtherWindow()->RemoveConstraintReference(this);
1693         if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
1694             c->top.GetOtherWindow()->RemoveConstraintReference(this);
1695         if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
1696             c->right.GetOtherWindow()->RemoveConstraintReference(this);
1697         if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
1698             c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
1699         if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
1700             c->width.GetOtherWindow()->RemoveConstraintReference(this);
1701         if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
1702             c->height.GetOtherWindow()->RemoveConstraintReference(this);
1703         if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
1704             c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
1705         if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
1706             c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
1707     }
1708 }
1709
1710 // Back-pointer to other windows we're involved with, so if we delete this
1711 // window, we must delete any constraints we're involved with.
1712 void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
1713 {
1714     if ( !m_constraintsInvolvedIn )
1715         m_constraintsInvolvedIn = new wxWindowList;
1716     if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
1717         m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
1718 }
1719
1720 // REMOVE back-pointer to other windows we're involved with.
1721 void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
1722 {
1723     if ( m_constraintsInvolvedIn )
1724         m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
1725 }
1726
1727 // Reset any constraints that mention this window
1728 void wxWindowBase::DeleteRelatedConstraints()
1729 {
1730     if ( m_constraintsInvolvedIn )
1731     {
1732         wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
1733         while (node)
1734         {
1735             wxWindow *win = node->GetData();
1736             wxLayoutConstraints *constr = win->GetConstraints();
1737
1738             // Reset any constraints involving this window
1739             if ( constr )
1740             {
1741                 constr->left.ResetIfWin(this);
1742                 constr->top.ResetIfWin(this);
1743                 constr->right.ResetIfWin(this);
1744                 constr->bottom.ResetIfWin(this);
1745                 constr->width.ResetIfWin(this);
1746                 constr->height.ResetIfWin(this);
1747                 constr->centreX.ResetIfWin(this);
1748                 constr->centreY.ResetIfWin(this);
1749             }
1750
1751             wxWindowList::compatibility_iterator next = node->GetNext();
1752             m_constraintsInvolvedIn->Erase(node);
1753             node = next;
1754         }
1755
1756         delete m_constraintsInvolvedIn;
1757         m_constraintsInvolvedIn = (wxWindowList *) NULL;
1758     }
1759 }
1760
1761 #endif // wxUSE_CONSTRAINTS
1762
1763 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
1764 {
1765     if ( sizer == m_windowSizer)
1766         return;
1767
1768     if ( deleteOld )
1769         delete m_windowSizer;
1770
1771     m_windowSizer = sizer;
1772
1773     SetAutoLayout( sizer != NULL );
1774 }
1775
1776 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
1777 {
1778     SetSizer( sizer, deleteOld );
1779     sizer->SetSizeHints( (wxWindow*) this );
1780 }
1781
1782
1783 void wxWindowBase::SetContainingSizer(wxSizer* sizer)
1784 {
1785     // adding a window to a sizer twice is going to result in fatal and
1786     // hard to debug problems later because when deleting the second
1787     // associated wxSizerItem we're going to dereference a dangling
1788     // pointer; so try to detect this as early as possible
1789     wxASSERT_MSG( !sizer || m_containingSizer != sizer,
1790                   _T("Adding a window to the same sizer twice?") );
1791
1792     m_containingSizer = sizer;
1793 }
1794
1795 #if wxUSE_CONSTRAINTS
1796
1797 void wxWindowBase::SatisfyConstraints()
1798 {
1799     wxLayoutConstraints *constr = GetConstraints();
1800     bool wasOk = constr && constr->AreSatisfied();
1801
1802     ResetConstraints();   // Mark all constraints as unevaluated
1803
1804     int noChanges = 1;
1805
1806     // if we're a top level panel (i.e. our parent is frame/dialog), our
1807     // own constraints will never be satisfied any more unless we do it
1808     // here
1809     if ( wasOk )
1810     {
1811         while ( noChanges > 0 )
1812         {
1813             LayoutPhase1(&noChanges);
1814         }
1815     }
1816
1817     LayoutPhase2(&noChanges);
1818 }
1819
1820 #endif // wxUSE_CONSTRAINTS
1821
1822 bool wxWindowBase::Layout()
1823 {
1824     // If there is a sizer, use it instead of the constraints
1825     if ( GetSizer() )
1826     {
1827         int w, h;
1828         GetVirtualSize(&w, &h);
1829         GetSizer()->SetDimension( 0, 0, w, h );
1830     }
1831 #if wxUSE_CONSTRAINTS
1832     else
1833     {
1834         SatisfyConstraints(); // Find the right constraints values
1835         SetConstraintSizes(); // Recursively set the real window sizes
1836     }
1837 #endif
1838
1839     return true;
1840 }
1841
1842 #if wxUSE_CONSTRAINTS
1843
1844 // first phase of the constraints evaluation: set our own constraints
1845 bool wxWindowBase::LayoutPhase1(int *noChanges)
1846 {
1847     wxLayoutConstraints *constr = GetConstraints();
1848
1849     return !constr || constr->SatisfyConstraints(this, noChanges);
1850 }
1851
1852 // second phase: set the constraints for our children
1853 bool wxWindowBase::LayoutPhase2(int *noChanges)
1854 {
1855     *noChanges = 0;
1856
1857     // Layout children
1858     DoPhase(1);
1859
1860     // Layout grand children
1861     DoPhase(2);
1862
1863     return true;
1864 }
1865
1866 // Do a phase of evaluating child constraints
1867 bool wxWindowBase::DoPhase(int phase)
1868 {
1869     // the list containing the children for which the constraints are already
1870     // set correctly
1871     wxWindowList succeeded;
1872
1873     // the max number of iterations we loop before concluding that we can't set
1874     // the constraints
1875     static const int maxIterations = 500;
1876
1877     for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
1878     {
1879         int noChanges = 0;
1880
1881         // loop over all children setting their constraints
1882         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1883               node;
1884               node = node->GetNext() )
1885         {
1886             wxWindow *child = node->GetData();
1887             if ( child->IsTopLevel() )
1888             {
1889                 // top level children are not inside our client area
1890                 continue;
1891             }
1892
1893             if ( !child->GetConstraints() || succeeded.Find(child) )
1894             {
1895                 // this one is either already ok or nothing we can do about it
1896                 continue;
1897             }
1898
1899             int tempNoChanges = 0;
1900             bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
1901                                       : child->LayoutPhase2(&tempNoChanges);
1902             noChanges += tempNoChanges;
1903
1904             if ( success )
1905             {
1906                 succeeded.Append(child);
1907             }
1908         }
1909
1910         if ( !noChanges )
1911         {
1912             // constraints are set
1913             break;
1914         }
1915     }
1916
1917     return true;
1918 }
1919
1920 void wxWindowBase::ResetConstraints()
1921 {
1922     wxLayoutConstraints *constr = GetConstraints();
1923     if ( constr )
1924     {
1925         constr->left.SetDone(false);
1926         constr->top.SetDone(false);
1927         constr->right.SetDone(false);
1928         constr->bottom.SetDone(false);
1929         constr->width.SetDone(false);
1930         constr->height.SetDone(false);
1931         constr->centreX.SetDone(false);
1932         constr->centreY.SetDone(false);
1933     }
1934
1935     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1936     while (node)
1937     {
1938         wxWindow *win = node->GetData();
1939         if ( !win->IsTopLevel() )
1940             win->ResetConstraints();
1941         node = node->GetNext();
1942     }
1943 }
1944
1945 // Need to distinguish between setting the 'fake' size for windows and sizers,
1946 // and setting the real values.
1947 void wxWindowBase::SetConstraintSizes(bool recurse)
1948 {
1949     wxLayoutConstraints *constr = GetConstraints();
1950     if ( constr && constr->AreSatisfied() )
1951     {
1952         int x = constr->left.GetValue();
1953         int y = constr->top.GetValue();
1954         int w = constr->width.GetValue();
1955         int h = constr->height.GetValue();
1956
1957         if ( (constr->width.GetRelationship() != wxAsIs ) ||
1958              (constr->height.GetRelationship() != wxAsIs) )
1959         {
1960             SetSize(x, y, w, h);
1961         }
1962         else
1963         {
1964             // If we don't want to resize this window, just move it...
1965             Move(x, y);
1966         }
1967     }
1968     else if ( constr )
1969     {
1970         wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
1971                    GetClassInfo()->GetClassName(),
1972                    GetName().c_str());
1973     }
1974
1975     if ( recurse )
1976     {
1977         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1978         while (node)
1979         {
1980             wxWindow *win = node->GetData();
1981             if ( !win->IsTopLevel() && win->GetConstraints() )
1982                 win->SetConstraintSizes();
1983             node = node->GetNext();
1984         }
1985     }
1986 }
1987
1988 // Only set the size/position of the constraint (if any)
1989 void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
1990 {
1991     wxLayoutConstraints *constr = GetConstraints();
1992     if ( constr )
1993     {
1994         if ( x != wxDefaultCoord )
1995         {
1996             constr->left.SetValue(x);
1997             constr->left.SetDone(true);
1998         }
1999         if ( y != wxDefaultCoord )
2000         {
2001             constr->top.SetValue(y);
2002             constr->top.SetDone(true);
2003         }
2004         if ( w != wxDefaultCoord )
2005         {
2006             constr->width.SetValue(w);
2007             constr->width.SetDone(true);
2008         }
2009         if ( h != wxDefaultCoord )
2010         {
2011             constr->height.SetValue(h);
2012             constr->height.SetDone(true);
2013         }
2014     }
2015 }
2016
2017 void wxWindowBase::MoveConstraint(int x, int y)
2018 {
2019     wxLayoutConstraints *constr = GetConstraints();
2020     if ( constr )
2021     {
2022         if ( x != wxDefaultCoord )
2023         {
2024             constr->left.SetValue(x);
2025             constr->left.SetDone(true);
2026         }
2027         if ( y != wxDefaultCoord )
2028         {
2029             constr->top.SetValue(y);
2030             constr->top.SetDone(true);
2031         }
2032     }
2033 }
2034
2035 void wxWindowBase::GetSizeConstraint(int *w, int *h) const
2036 {
2037     wxLayoutConstraints *constr = GetConstraints();
2038     if ( constr )
2039     {
2040         *w = constr->width.GetValue();
2041         *h = constr->height.GetValue();
2042     }
2043     else
2044         GetSize(w, h);
2045 }
2046
2047 void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
2048 {
2049     wxLayoutConstraints *constr = GetConstraints();
2050     if ( constr )
2051     {
2052         *w = constr->width.GetValue();
2053         *h = constr->height.GetValue();
2054     }
2055     else
2056         GetClientSize(w, h);
2057 }
2058
2059 void wxWindowBase::GetPositionConstraint(int *x, int *y) const
2060 {
2061     wxLayoutConstraints *constr = GetConstraints();
2062     if ( constr )
2063     {
2064         *x = constr->left.GetValue();
2065         *y = constr->top.GetValue();
2066     }
2067     else
2068         GetPosition(x, y);
2069 }
2070
2071 #endif // wxUSE_CONSTRAINTS
2072
2073 void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
2074 {
2075     // don't do it for the dialogs/frames - they float independently of their
2076     // parent
2077     if ( !IsTopLevel() )
2078     {
2079         wxWindow *parent = GetParent();
2080         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
2081         {
2082             wxPoint pt(parent->GetClientAreaOrigin());
2083             x += pt.x;
2084             y += pt.y;
2085         }
2086     }
2087 }
2088
2089 // ----------------------------------------------------------------------------
2090 // do Update UI processing for child controls
2091 // ----------------------------------------------------------------------------
2092
2093 void wxWindowBase::UpdateWindowUI(long flags)
2094 {
2095     wxUpdateUIEvent event(GetId());
2096     event.SetEventObject(this);
2097
2098     if ( GetEventHandler()->ProcessEvent(event) )
2099     {
2100         DoUpdateWindowUI(event);
2101     }
2102
2103     if (flags & wxUPDATE_UI_RECURSE)
2104     {
2105         wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2106         while (node)
2107         {
2108             wxWindow* child = (wxWindow*) node->GetData();
2109             child->UpdateWindowUI(flags);
2110             node = node->GetNext();
2111         }
2112     }
2113 }
2114
2115 // do the window-specific processing after processing the update event
2116 // TODO: take specific knowledge out of this function and
2117 // put in each control's base class. Unfortunately we don't
2118 // yet have base implementation files for wxCheckBox and wxRadioButton.
2119 void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
2120 {
2121     if ( event.GetSetEnabled() )
2122         Enable(event.GetEnabled());
2123
2124 #if wxUSE_CONTROLS
2125     if ( event.GetSetText() )
2126     {
2127         wxControl *control = wxDynamicCastThis(wxControl);
2128         if ( control )
2129         {
2130             if ( event.GetText() != control->GetLabel() )
2131                 control->SetLabel(event.GetText());
2132         }
2133     }
2134 #endif // wxUSE_CONTROLS
2135
2136     if ( event.GetSetChecked() )
2137     {
2138 #if wxUSE_CHECKBOX
2139         wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
2140         if ( checkbox )
2141         {
2142             checkbox->SetValue(event.GetChecked());
2143         }
2144 #endif // wxUSE_CHECKBOX
2145
2146 #if wxUSE_RADIOBTN
2147         wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
2148         if ( radiobtn )
2149         {
2150             radiobtn->SetValue(event.GetChecked());
2151         }
2152 #endif // wxUSE_RADIOBTN
2153     }
2154 }
2155
2156 #if 0
2157 // call internal idle recursively
2158 // may be obsolete (wait until OnIdle scheme stabilises)
2159 void wxWindowBase::ProcessInternalIdle()
2160 {
2161     OnInternalIdle();
2162
2163     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2164     while (node)
2165     {
2166         wxWindow *child = node->GetData();
2167         child->ProcessInternalIdle();
2168         node = node->GetNext();
2169     }
2170 }
2171 #endif
2172
2173 // ----------------------------------------------------------------------------
2174 // dialog units translations
2175 // ----------------------------------------------------------------------------
2176
2177 wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
2178 {
2179     int charWidth = GetCharWidth();
2180     int charHeight = GetCharHeight();
2181     wxPoint pt2 = wxDefaultPosition;
2182     if (pt.x != wxDefaultCoord)
2183         pt2.x = (int) ((pt.x * 4) / charWidth);
2184     if (pt.y != wxDefaultCoord)
2185         pt2.y = (int) ((pt.y * 8) / charHeight);
2186
2187     return pt2;
2188 }
2189
2190 wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
2191 {
2192     int charWidth = GetCharWidth();
2193     int charHeight = GetCharHeight();
2194     wxPoint pt2 = wxDefaultPosition;
2195     if (pt.x != wxDefaultCoord)
2196         pt2.x = (int) ((pt.x * charWidth) / 4);
2197     if (pt.y != wxDefaultCoord)
2198         pt2.y = (int) ((pt.y * charHeight) / 8);
2199
2200     return pt2;
2201 }
2202
2203 // ----------------------------------------------------------------------------
2204 // event handlers
2205 // ----------------------------------------------------------------------------
2206
2207 // propagate the colour change event to the subwindows
2208 void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
2209 {
2210     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
2211     while ( node )
2212     {
2213         // Only propagate to non-top-level windows
2214         wxWindow *win = node->GetData();
2215         if ( !win->IsTopLevel() )
2216         {
2217             wxSysColourChangedEvent event2;
2218             event.SetEventObject(win);
2219             win->GetEventHandler()->ProcessEvent(event2);
2220         }
2221
2222         node = node->GetNext();
2223     }
2224
2225     Refresh();
2226 }
2227
2228 // the default action is to populate dialog with data when it's created,
2229 // and nudge the UI into displaying itself correctly in case
2230 // we've turned the wxUpdateUIEvents frequency down low.
2231 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
2232 {
2233     TransferDataToWindow();
2234
2235     // Update the UI at this point
2236     UpdateWindowUI(wxUPDATE_UI_RECURSE);
2237 }
2238
2239 // process Ctrl-Alt-mclick
2240 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
2241 {
2242 #if wxUSE_MSGDLG
2243     if ( event.ControlDown() && event.AltDown() )
2244     {
2245         // don't translate these strings
2246         wxString port;
2247
2248 #ifdef __WXUNIVERSAL__
2249         port = _T("Univ/");
2250 #endif // __WXUNIVERSAL__
2251
2252         switch ( wxGetOsVersion() )
2253         {
2254             case wxMOTIF_X:     port += _T("Motif"); break;
2255             case wxMAC:
2256             case wxMAC_DARWIN:  port += _T("Mac"); break;
2257             case wxBEOS:        port += _T("BeOS"); break;
2258             case wxGTK:
2259             case wxGTK_WIN32:
2260             case wxGTK_OS2:
2261             case wxGTK_BEOS:    port += _T("GTK"); break;
2262             case wxWINDOWS:
2263             case wxPENWINDOWS:
2264             case wxWINDOWS_NT:
2265             case wxWIN32S:
2266             case wxWIN95:
2267             case wxWIN386:      port += _T("MS Windows"); break;
2268             case wxMGL_UNIX:
2269             case wxMGL_X:
2270             case wxMGL_WIN32:
2271             case wxMGL_OS2:     port += _T("MGL"); break;
2272             case wxWINDOWS_OS2:
2273             case wxOS2_PM:      port += _T("OS/2"); break;
2274             default:            port += _T("unknown"); break;
2275         }
2276
2277         wxMessageBox(wxString::Format(
2278                                       _T(
2279                                         "       wxWidgets Library (%s port)\nVersion %u.%u.%u%s%s, compiled at %s %s\n   Copyright (c) 1995-2005 wxWidgets team"
2280                                         ),
2281                                       port.c_str(),
2282                                       wxMAJOR_VERSION,
2283                                       wxMINOR_VERSION,
2284                                       wxRELEASE_NUMBER,
2285 #if wxUSE_UNICODE
2286                                       L" (Unicode)",
2287 #else
2288                                       "",
2289 #endif
2290 #ifdef __WXDEBUG__
2291                                       _T(" Debug build"),
2292 #else
2293                                       wxEmptyString,
2294 #endif
2295                                       __TDATE__,
2296                                       __TTIME__
2297                                      ),
2298                      _T("wxWidgets information"),
2299                      wxICON_INFORMATION | wxOK,
2300                      (wxWindow *)this);
2301     }
2302     else
2303 #endif // wxUSE_MSGDLG
2304     {
2305         event.Skip();
2306     }
2307 }
2308
2309 // ----------------------------------------------------------------------------
2310 // accessibility
2311 // ----------------------------------------------------------------------------
2312
2313 #if wxUSE_ACCESSIBILITY
2314 void wxWindowBase::SetAccessible(wxAccessible* accessible)
2315 {
2316     if (m_accessible && (accessible != m_accessible))
2317         delete m_accessible;
2318     m_accessible = accessible;
2319     if (m_accessible)
2320         m_accessible->SetWindow((wxWindow*) this);
2321 }
2322
2323 // Returns the accessible object, creating if necessary.
2324 wxAccessible* wxWindowBase::GetOrCreateAccessible()
2325 {
2326     if (!m_accessible)
2327         m_accessible = CreateAccessible();
2328     return m_accessible;
2329 }
2330
2331 // Override to create a specific accessible object.
2332 wxAccessible* wxWindowBase::CreateAccessible()
2333 {
2334     return new wxWindowAccessible((wxWindow*) this);
2335 }
2336
2337 #endif
2338
2339 // ----------------------------------------------------------------------------
2340 // list classes implementation
2341 // ----------------------------------------------------------------------------
2342
2343 #if wxUSE_STL
2344
2345 #include <wx/listimpl.cpp>
2346 WX_DEFINE_LIST(wxWindowList);
2347
2348 #else
2349
2350 void wxWindowListNode::DeleteData()
2351 {
2352     delete (wxWindow *)GetData();
2353 }
2354
2355 #endif
2356
2357 // ----------------------------------------------------------------------------
2358 // borders
2359 // ----------------------------------------------------------------------------
2360
2361 wxBorder wxWindowBase::GetBorder(long flags) const
2362 {
2363     wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
2364     if ( border == wxBORDER_DEFAULT )
2365     {
2366         border = GetDefaultBorder();
2367     }
2368
2369     return border;
2370 }
2371
2372 wxBorder wxWindowBase::GetDefaultBorder() const
2373 {
2374     return wxBORDER_NONE;
2375 }
2376
2377 // ----------------------------------------------------------------------------
2378 // hit testing
2379 // ----------------------------------------------------------------------------
2380
2381 wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
2382 {
2383     // here we just check if the point is inside the window or not
2384
2385     // check the top and left border first
2386     bool outside = x < 0 || y < 0;
2387     if ( !outside )
2388     {
2389         // check the right and bottom borders too
2390         wxSize size = GetSize();
2391         outside = x >= size.x || y >= size.y;
2392     }
2393
2394     return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
2395 }
2396
2397 // ----------------------------------------------------------------------------
2398 // mouse capture
2399 // ----------------------------------------------------------------------------
2400
2401 struct WXDLLEXPORT wxWindowNext
2402 {
2403     wxWindow *win;
2404     wxWindowNext *next;
2405 } *wxWindowBase::ms_winCaptureNext = NULL;
2406
2407 void wxWindowBase::CaptureMouse()
2408 {
2409     wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
2410
2411     wxWindow *winOld = GetCapture();
2412     if ( winOld )
2413     {
2414         ((wxWindowBase*) winOld)->DoReleaseMouse();
2415
2416         // save it on stack
2417         wxWindowNext *item = new wxWindowNext;
2418         item->win = winOld;
2419         item->next = ms_winCaptureNext;
2420         ms_winCaptureNext = item;
2421     }
2422     //else: no mouse capture to save
2423
2424     DoCaptureMouse();
2425 }
2426
2427 void wxWindowBase::ReleaseMouse()
2428 {
2429     wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
2430
2431     wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
2432
2433     DoReleaseMouse();
2434
2435     if ( ms_winCaptureNext )
2436     {
2437         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
2438
2439         wxWindowNext *item = ms_winCaptureNext;
2440         ms_winCaptureNext = item->next;
2441         delete item;
2442     }
2443     //else: stack is empty, no previous capture
2444
2445     wxLogTrace(_T("mousecapture"),
2446         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
2447         GetCapture());
2448 }
2449
2450 #if wxUSE_HOTKEY
2451
2452 bool
2453 wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
2454                              int WXUNUSED(modifiers),
2455                              int WXUNUSED(keycode))
2456 {
2457     // not implemented
2458     return false;
2459 }
2460
2461 bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
2462 {
2463     // not implemented
2464     return false;
2465 }
2466
2467 #endif // wxUSE_HOTKEY
2468
2469 void wxWindowBase::SendDestroyEvent()
2470 {
2471     wxWindowDestroyEvent event;
2472     event.SetEventObject(this);
2473     event.SetId(GetId());
2474     GetEventHandler()->ProcessEvent(event);
2475 }
2476
2477 // ----------------------------------------------------------------------------
2478 // event processing
2479 // ----------------------------------------------------------------------------
2480
2481 bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
2482 {
2483 #if wxUSE_VALIDATORS
2484     // Can only use the validator of the window which
2485     // is receiving the event
2486     if ( event.GetEventObject() == this )
2487     {
2488         wxValidator *validator = GetValidator();
2489         if ( validator && validator->ProcessEvent(event) )
2490         {
2491             return true;
2492         }
2493     }
2494 #endif // wxUSE_VALIDATORS
2495
2496     return false;
2497 }
2498
2499 bool wxWindowBase::TryParent(wxEvent& event)
2500 {
2501     // carry on up the parent-child hierarchy if the propgation count hasn't
2502     // reached zero yet
2503     if ( event.ShouldPropagate() )
2504     {
2505         // honour the requests to stop propagation at this window: this is
2506         // used by the dialogs, for example, to prevent processing the events
2507         // from the dialog controls in the parent frame which rarely, if ever,
2508         // makes sense
2509         if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
2510         {
2511             wxWindow *parent = GetParent();
2512             if ( parent && !parent->IsBeingDeleted() )
2513             {
2514                 wxPropagateOnce propagateOnce(event);
2515
2516                 return parent->GetEventHandler()->ProcessEvent(event);
2517             }
2518         }
2519     }
2520
2521     return wxEvtHandler::TryParent(event);
2522 }
2523
2524 // ----------------------------------------------------------------------------
2525 // keyboard navigation
2526 // ----------------------------------------------------------------------------
2527
2528 // Navigates in the specified direction.
2529 bool wxWindowBase::Navigate(int flags)
2530 {
2531     wxNavigationKeyEvent eventNav;
2532     eventNav.SetFlags(flags);
2533     eventNav.SetEventObject(this);
2534     if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2535     {
2536         return true;
2537     }
2538     return false;
2539 }
2540
2541 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
2542 {
2543     // check that we're not a top level window
2544     wxCHECK_RET( GetParent(),
2545                     _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
2546
2547     // detect the special case when we have nothing to do anyhow and when the
2548     // code below wouldn't work
2549     if ( win == this )
2550         return;
2551
2552     // find the target window in the siblings list
2553     wxWindowList& siblings = GetParent()->GetChildren();
2554     wxWindowList::compatibility_iterator i = siblings.Find(win);
2555     wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
2556
2557     // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
2558     // can't just move the node around
2559     wxWindow *self = (wxWindow *)this;
2560     siblings.DeleteObject(self);
2561     if ( move == MoveAfter )
2562     {
2563         i = i->GetNext();
2564     }
2565
2566     if ( i )
2567     {
2568         siblings.Insert(i, self);
2569     }
2570     else // MoveAfter and win was the last sibling
2571     {
2572         siblings.Append(self);
2573     }
2574 }
2575
2576 // ----------------------------------------------------------------------------
2577 // focus handling
2578 // ----------------------------------------------------------------------------
2579
2580 /*static*/ wxWindow* wxWindowBase::FindFocus()
2581 {
2582     wxWindowBase *win = DoFindFocus();
2583     return win ? win->GetMainWindowOfCompositeControl() : NULL;
2584 }
2585
2586 // ----------------------------------------------------------------------------
2587 // global functions
2588 // ----------------------------------------------------------------------------
2589
2590 wxWindow* wxGetTopLevelParent(wxWindow *win)
2591 {
2592     while ( win && !win->IsTopLevel() )
2593          win = win->GetParent();
2594
2595     return win;
2596 }
2597
2598 #if wxUSE_ACCESSIBILITY
2599 // ----------------------------------------------------------------------------
2600 // accessible object for windows
2601 // ----------------------------------------------------------------------------
2602
2603 // Can return either a child object, or an integer
2604 // representing the child element, starting from 1.
2605 wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
2606 {
2607     wxASSERT( GetWindow() != NULL );
2608     if (!GetWindow())
2609         return wxACC_FAIL;
2610
2611     return wxACC_NOT_IMPLEMENTED;
2612 }
2613
2614 // Returns the rectangle for this object (id = 0) or a child element (id > 0).
2615 wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
2616 {
2617     wxASSERT( GetWindow() != NULL );
2618     if (!GetWindow())
2619         return wxACC_FAIL;
2620
2621     wxWindow* win = NULL;
2622     if (elementId == 0)
2623     {
2624         win = GetWindow();
2625     }
2626     else
2627     {
2628         if (elementId <= (int) GetWindow()->GetChildren().GetCount())
2629         {
2630             win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
2631         }
2632         else
2633             return wxACC_FAIL;
2634     }
2635     if (win)
2636     {
2637         rect = win->GetRect();
2638         if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
2639             rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
2640         return wxACC_OK;
2641     }
2642
2643     return wxACC_NOT_IMPLEMENTED;
2644 }
2645
2646 // Navigates from fromId to toId/toObject.
2647 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
2648                              int* WXUNUSED(toId), wxAccessible** toObject)
2649 {
2650     wxASSERT( GetWindow() != NULL );
2651     if (!GetWindow())
2652         return wxACC_FAIL;
2653
2654     switch (navDir)
2655     {
2656     case wxNAVDIR_FIRSTCHILD:
2657         {
2658             if (GetWindow()->GetChildren().GetCount() == 0)
2659                 return wxACC_FALSE;
2660             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
2661             *toObject = childWindow->GetOrCreateAccessible();
2662
2663             return wxACC_OK;
2664         }
2665     case wxNAVDIR_LASTCHILD:
2666         {
2667             if (GetWindow()->GetChildren().GetCount() == 0)
2668                 return wxACC_FALSE;
2669             wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
2670             *toObject = childWindow->GetOrCreateAccessible();
2671
2672             return wxACC_OK;
2673         }
2674     case wxNAVDIR_RIGHT:
2675     case wxNAVDIR_DOWN:
2676     case wxNAVDIR_NEXT:
2677         {
2678             wxWindowList::compatibility_iterator node =
2679                 wxWindowList::compatibility_iterator();
2680             if (fromId == 0)
2681             {
2682                 // Can't navigate to sibling of this window
2683                 // if we're a top-level window.
2684                 if (!GetWindow()->GetParent())
2685                     return wxACC_NOT_IMPLEMENTED;
2686
2687                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2688             }
2689             else
2690             {
2691                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2692                     node = GetWindow()->GetChildren().Item(fromId-1);
2693             }
2694
2695             if (node && node->GetNext())
2696             {
2697                 wxWindow* nextWindow = node->GetNext()->GetData();
2698                 *toObject = nextWindow->GetOrCreateAccessible();
2699                 return wxACC_OK;
2700             }
2701             else
2702                 return wxACC_FALSE;
2703         }
2704     case wxNAVDIR_LEFT:
2705     case wxNAVDIR_UP:
2706     case wxNAVDIR_PREVIOUS:
2707         {
2708             wxWindowList::compatibility_iterator node =
2709                 wxWindowList::compatibility_iterator();
2710             if (fromId == 0)
2711             {
2712                 // Can't navigate to sibling of this window
2713                 // if we're a top-level window.
2714                 if (!GetWindow()->GetParent())
2715                     return wxACC_NOT_IMPLEMENTED;
2716
2717                 node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
2718             }
2719             else
2720             {
2721                 if (fromId <= (int) GetWindow()->GetChildren().GetCount())
2722                     node = GetWindow()->GetChildren().Item(fromId-1);
2723             }
2724
2725             if (node && node->GetPrevious())
2726             {
2727                 wxWindow* previousWindow = node->GetPrevious()->GetData();
2728                 *toObject = previousWindow->GetOrCreateAccessible();
2729                 return wxACC_OK;
2730             }
2731             else
2732                 return wxACC_FALSE;
2733         }
2734     }
2735
2736     return wxACC_NOT_IMPLEMENTED;
2737 }
2738
2739 // Gets the name of the specified object.
2740 wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
2741 {
2742     wxASSERT( GetWindow() != NULL );
2743     if (!GetWindow())
2744         return wxACC_FAIL;
2745
2746     wxString title;
2747
2748     // If a child, leave wxWidgets to call the function on the actual
2749     // child object.
2750     if (childId > 0)
2751         return wxACC_NOT_IMPLEMENTED;
2752
2753     // This will eventually be replaced by specialised
2754     // accessible classes, one for each kind of wxWidgets
2755     // control or window.
2756 #if wxUSE_BUTTON
2757     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
2758         title = ((wxButton*) GetWindow())->GetLabel();
2759     else
2760 #endif
2761         title = GetWindow()->GetName();
2762
2763     if (!title.empty())
2764     {
2765         *name = title;
2766         return wxACC_OK;
2767     }
2768     else
2769         return wxACC_NOT_IMPLEMENTED;
2770 }
2771
2772 // Gets the number of children.
2773 wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
2774 {
2775     wxASSERT( GetWindow() != NULL );
2776     if (!GetWindow())
2777         return wxACC_FAIL;
2778
2779     *childId = (int) GetWindow()->GetChildren().GetCount();
2780     return wxACC_OK;
2781 }
2782
2783 // Gets the specified child (starting from 1).
2784 // If *child is NULL and return value is wxACC_OK,
2785 // this means that the child is a simple element and
2786 // not an accessible object.
2787 wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
2788 {
2789     wxASSERT( GetWindow() != NULL );
2790     if (!GetWindow())
2791         return wxACC_FAIL;
2792
2793     if (childId == 0)
2794     {
2795         *child = this;
2796         return wxACC_OK;
2797     }
2798
2799     if (childId > (int) GetWindow()->GetChildren().GetCount())
2800         return wxACC_FAIL;
2801
2802     wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
2803     *child = childWindow->GetOrCreateAccessible();
2804     if (*child)
2805         return wxACC_OK;
2806     else
2807         return wxACC_FAIL;
2808 }
2809
2810 // Gets the parent, or NULL.
2811 wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
2812 {
2813     wxASSERT( GetWindow() != NULL );
2814     if (!GetWindow())
2815         return wxACC_FAIL;
2816
2817     wxWindow* parentWindow = GetWindow()->GetParent();
2818     if (!parentWindow)
2819     {
2820         *parent = NULL;
2821         return wxACC_OK;
2822     }
2823     else
2824     {
2825         *parent = parentWindow->GetOrCreateAccessible();
2826         if (*parent)
2827             return wxACC_OK;
2828         else
2829             return wxACC_FAIL;
2830     }
2831 }
2832
2833 // Performs the default action. childId is 0 (the action for this object)
2834 // or > 0 (the action for a child).
2835 // Return wxACC_NOT_SUPPORTED if there is no default action for this
2836 // window (e.g. an edit control).
2837 wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
2838 {
2839     wxASSERT( GetWindow() != NULL );
2840     if (!GetWindow())
2841         return wxACC_FAIL;
2842
2843     return wxACC_NOT_IMPLEMENTED;
2844 }
2845
2846 // Gets the default action for this object (0) or > 0 (the action for a child).
2847 // Return wxACC_OK even if there is no action. actionName is the action, or the empty
2848 // string if there is no action.
2849 // The retrieved string describes the action that is performed on an object,
2850 // not what the object does as a result. For example, a toolbar button that prints
2851 // a document has a default action of "Press" rather than "Prints the current document."
2852 wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
2853 {
2854     wxASSERT( GetWindow() != NULL );
2855     if (!GetWindow())
2856         return wxACC_FAIL;
2857
2858     return wxACC_NOT_IMPLEMENTED;
2859 }
2860
2861 // Returns the description for this object or a child.
2862 wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
2863 {
2864     wxASSERT( GetWindow() != NULL );
2865     if (!GetWindow())
2866         return wxACC_FAIL;
2867
2868     wxString ht(GetWindow()->GetHelpText());
2869     if (!ht.empty())
2870     {
2871         *description = ht;
2872         return wxACC_OK;
2873     }
2874     return wxACC_NOT_IMPLEMENTED;
2875 }
2876
2877 // Returns help text for this object or a child, similar to tooltip text.
2878 wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
2879 {
2880     wxASSERT( GetWindow() != NULL );
2881     if (!GetWindow())
2882         return wxACC_FAIL;
2883
2884     wxString ht(GetWindow()->GetHelpText());
2885     if (!ht.empty())
2886     {
2887         *helpText = ht;
2888         return wxACC_OK;
2889     }
2890     return wxACC_NOT_IMPLEMENTED;
2891 }
2892
2893 // Returns the keyboard shortcut for this object or child.
2894 // Return e.g. ALT+K
2895 wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
2896 {
2897     wxASSERT( GetWindow() != NULL );
2898     if (!GetWindow())
2899         return wxACC_FAIL;
2900
2901     return wxACC_NOT_IMPLEMENTED;
2902 }
2903
2904 // Returns a role constant.
2905 wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
2906 {
2907     wxASSERT( GetWindow() != NULL );
2908     if (!GetWindow())
2909         return wxACC_FAIL;
2910
2911     // If a child, leave wxWidgets to call the function on the actual
2912     // child object.
2913     if (childId > 0)
2914         return wxACC_NOT_IMPLEMENTED;
2915
2916     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2917         return wxACC_NOT_IMPLEMENTED;
2918 #if wxUSE_STATUSBAR
2919     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2920         return wxACC_NOT_IMPLEMENTED;
2921 #endif
2922 #if wxUSE_TOOLBAR
2923     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2924         return wxACC_NOT_IMPLEMENTED;
2925 #endif
2926
2927     //*role = wxROLE_SYSTEM_CLIENT;
2928     *role = wxROLE_SYSTEM_CLIENT;
2929     return wxACC_OK;
2930
2931     #if 0
2932     return wxACC_NOT_IMPLEMENTED;
2933     #endif
2934 }
2935
2936 // Returns a state constant.
2937 wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
2938 {
2939     wxASSERT( GetWindow() != NULL );
2940     if (!GetWindow())
2941         return wxACC_FAIL;
2942
2943     // If a child, leave wxWidgets to call the function on the actual
2944     // child object.
2945     if (childId > 0)
2946         return wxACC_NOT_IMPLEMENTED;
2947
2948     if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
2949         return wxACC_NOT_IMPLEMENTED;
2950
2951 #if wxUSE_STATUSBAR
2952     if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
2953         return wxACC_NOT_IMPLEMENTED;
2954 #endif
2955 #if wxUSE_TOOLBAR
2956     if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
2957         return wxACC_NOT_IMPLEMENTED;
2958 #endif
2959
2960     *state = 0;
2961     return wxACC_OK;
2962
2963     #if 0
2964     return wxACC_NOT_IMPLEMENTED;
2965     #endif
2966 }
2967
2968 // Returns a localized string representing the value for the object
2969 // or child.
2970 wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
2971 {
2972     wxASSERT( GetWindow() != NULL );
2973     if (!GetWindow())
2974         return wxACC_FAIL;
2975
2976     return wxACC_NOT_IMPLEMENTED;
2977 }
2978
2979 // Selects the object or child.
2980 wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
2981 {
2982     wxASSERT( GetWindow() != NULL );
2983     if (!GetWindow())
2984         return wxACC_FAIL;
2985
2986     return wxACC_NOT_IMPLEMENTED;
2987 }
2988
2989 // Gets the window with the keyboard focus.
2990 // If childId is 0 and child is NULL, no object in
2991 // this subhierarchy has the focus.
2992 // If this object has the focus, child should be 'this'.
2993 wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
2994 {
2995     wxASSERT( GetWindow() != NULL );
2996     if (!GetWindow())
2997         return wxACC_FAIL;
2998
2999     return wxACC_NOT_IMPLEMENTED;
3000 }
3001
3002 // Gets a variant representing the selected children
3003 // of this object.
3004 // Acceptable values:
3005 // - a null variant (IsNull() returns true)
3006 // - a list variant (GetType() == wxT("list")
3007 // - an integer representing the selected child element,
3008 //   or 0 if this object is selected (GetType() == wxT("long")
3009 // - a "void*" pointer to a wxAccessible child object
3010 wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
3011 {
3012     wxASSERT( GetWindow() != NULL );
3013     if (!GetWindow())
3014         return wxACC_FAIL;
3015
3016     return wxACC_NOT_IMPLEMENTED;
3017 }
3018
3019 #endif // wxUSE_ACCESSIBILITY