src/univ/winuniv.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/univ/window.cpp
   3 // Purpose:     implementation of extra wxWindow methods for wxUniv port
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     06.08.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/window.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/dcclient.h"
  32     #include "wx/dcmemory.h"
  33     #include "wx/event.h"
  34     #include "wx/scrolbar.h"
  35     #include "wx/menu.h"
  36     #include "wx/frame.h"
  37     #include "wx/log.h"
  38 #endif // WX_PRECOMP
  39
  40 #include "wx/univ/colschem.h"
  41 #include "wx/univ/renderer.h"
  42 #include "wx/univ/theme.h"
  43
  44 #if wxUSE_CARET
  45     #include "wx/caret.h"
  46 #endif // wxUSE_CARET
  47
  48 // turn Refresh() debugging on/off
  49 #define WXDEBUG_REFRESH
  50
  51 #ifndef __WXDEBUG__
  52     #undef WXDEBUG_REFRESH
  53 #endif
  54
  55 #if defined(WXDEBUG_REFRESH) && defined(__WXMSW__) && !defined(__WXMICROWIN__)
  56 #include "wx/msw/private.h"
  57 #endif
  58
  59 // ============================================================================
  60 // implementation
  61 // ============================================================================
  62
  63 // ----------------------------------------------------------------------------
  64 // scrollbars class
  65 // ----------------------------------------------------------------------------
  66
  67 // This is scrollbar class used to implement wxWindow's "built-in" scrollbars;
  68 // unlike the standard wxScrollBar class, this one is positioned outside of its
  69 // parent's client area
  70 class wxWindowScrollBar : public wxScrollBar
  71 {
  72 public:
  73     wxWindowScrollBar(wxWindow *parent,
  74                       wxWindowID id,
  75                       const wxPoint& pos = wxDefaultPosition,
  76                       const wxSize& size = wxDefaultSize,
  77                       long style = wxSB_HORIZONTAL)
  78         : wxScrollBar(parent, id, pos, size, style)
  79     {
  80     }
  81
  82     virtual bool CanBeOutsideClientArea() const { return true; }
  83 };
  84
  85
  86 // ----------------------------------------------------------------------------
  87 // event tables
  88 // ----------------------------------------------------------------------------
  89
  90 // we can't use wxWindowNative here as it won't be expanded inside the macro
  91 #if defined(__WXMSW__)
  92     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW)
  93 #elif defined(__WXGTK__)
  94     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK)
  95 #elif defined(__WXOSX_OR_COCOA__)
  96     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMac)
  97 #elif defined(__WXMGL__)
  98     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL)
  99 #elif defined(__WXDFB__)
 100     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowDFB)
 101 #elif defined(__WXX11__)
 102     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowX11)
 103 #elif defined(__WXPM__)
 104     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowOS2)
 105 #endif
 106
 107 BEGIN_EVENT_TABLE(wxWindow, wxWindowNative)
 108     EVT_SIZE(wxWindow::OnSize)
 109
 110 #if wxUSE_ACCEL || wxUSE_MENUS
 111     EVT_KEY_DOWN(wxWindow::OnKeyDown)
 112 #endif // wxUSE_ACCEL
 113
 114 #if wxUSE_MENUS
 115     EVT_CHAR(wxWindow::OnChar)
 116     EVT_KEY_UP(wxWindow::OnKeyUp)
 117 #endif // wxUSE_MENUS
 118
 119     EVT_PAINT(wxWindow::OnPaint)
 120     EVT_NC_PAINT(wxWindow::OnNcPaint)
 121     EVT_ERASE_BACKGROUND(wxWindow::OnErase)
 122 END_EVENT_TABLE()
 123
 124 // ----------------------------------------------------------------------------
 125 // creation
 126 // ----------------------------------------------------------------------------
 127
 128 void wxWindow::Init()
 129 {
 130 #if wxUSE_SCROLLBAR
 131     m_scrollbarVert =
 132     m_scrollbarHorz = (wxScrollBar *)NULL;
 133 #endif // wxUSE_SCROLLBAR
 134
 135     m_isCurrent = false;
 136
 137     m_renderer = wxTheme::Get()->GetRenderer();
 138
 139     m_oldSize.x = wxDefaultCoord;
 140     m_oldSize.y = wxDefaultCoord;
 141 }
 142
 143 bool wxWindow::Create(wxWindow *parent,
 144                       wxWindowID id,
 145                       const wxPoint& pos,
 146                       const wxSize& size,
 147                       long style,
 148                       const wxString& name)
 149 {
 150     // Get default border
 151     wxBorder border = GetBorder(style);
 152     style &= ~wxBORDER_MASK;
 153     style |= border;
 154
 155     long actualStyle = style;
 156
 157     // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW
 158     // as under the other platforms
 159     actualStyle |= wxCLIP_CHILDREN;
 160
 161     actualStyle &= ~wxVSCROLL;
 162     actualStyle &= ~wxHSCROLL;
 163
 164 #ifdef __WXMSW__
 165     // without this, borders (non-client areas in general) are not repainted
 166     // correctly when resizing; apparently, native NC areas are fully repainted
 167     // even without this style by MSW, but wxUniv implements client area
 168     // itself, so it doesn't work correctly for us
 169     //
 170     // FIXME: this is very expensive, we need to fix the (commented-out) code
 171     //        in OnSize() instead
 172     actualStyle |= wxFULL_REPAINT_ON_RESIZE;
 173 #endif
 174
 175     if ( !wxWindowNative::Create(parent, id, pos, size, actualStyle, name) )
 176         return false;
 177
 178     // Set full style again, including those we didn't want present
 179     // when calling the base window Create().
 180     wxWindowBase::SetWindowStyleFlag(style);
 181
 182     // if we allow or should always have a vertical scrollbar, make it
 183     if ( style & wxVSCROLL || style & wxALWAYS_SHOW_SB )
 184     {
 185 #if wxUSE_TWO_WINDOWS
 186         SetInsertIntoMain( true );
 187 #endif
 188 #if wxUSE_SCROLLBAR
 189         m_scrollbarVert = new wxWindowScrollBar(this, wxID_ANY,
 190                                                 wxDefaultPosition, wxDefaultSize,
 191                                                 wxSB_VERTICAL);
 192 #endif // wxUSE_SCROLLBAR
 193 #if wxUSE_TWO_WINDOWS
 194         SetInsertIntoMain( false );
 195 #endif
 196     }
 197
 198     // if we should allow a horizontal scrollbar, make it
 199     if ( style & wxHSCROLL )
 200     {
 201 #if wxUSE_TWO_WINDOWS
 202         SetInsertIntoMain( true );
 203 #endif
 204 #if wxUSE_SCROLLBAR
 205         m_scrollbarHorz = new wxWindowScrollBar(this, wxID_ANY,
 206                                                 wxDefaultPosition, wxDefaultSize,
 207                                                 wxSB_HORIZONTAL);
 208 #endif // wxUSE_SCROLLBAR
 209 #if wxUSE_TWO_WINDOWS
 210         SetInsertIntoMain( false );
 211 #endif
 212     }
 213
 214 #if wxUSE_SCROLLBAR
 215     if (m_scrollbarHorz || m_scrollbarVert)
 216     {
 217         // position it/them
 218         PositionScrollbars();
 219     }
 220 #endif // wxUSE_SCROLLBAR
 221
 222     return true;
 223 }
 224
 225 wxWindow::~wxWindow()
 226 {
 227     m_isBeingDeleted = true;
 228
 229 #if wxUSE_SCROLLBAR
 230     // clear pointers to scrollbar before deleting the children: they are
 231     // children and so will be deleted by DestroyChildren() call below and if
 232     // any code using the scrollbars would be called in the process or from
 233     // ~wxWindowBase, the app would crash:
 234     m_scrollbarVert = m_scrollbarHorz = NULL;
 235 #endif
 236
 237     // we have to destroy our children before we're destroyed because our
 238     // children suppose that we're of type wxWindow, not just wxWindowNative,
 239     // and so bad things may happen if they're deleted from the base class dtor
 240     // as by then we're not a wxWindow any longer and wxUniv-specific virtual
 241     // functions can't be called
 242     DestroyChildren();
 243 }
 244
 245 // ----------------------------------------------------------------------------
 246 // background pixmap
 247 // ----------------------------------------------------------------------------
 248
 249 void wxWindow::SetBackground(const wxBitmap& bitmap,
 250                               int alignment,
 251                               wxStretch stretch)
 252 {
 253     m_bitmapBg = bitmap;
 254     m_alignBgBitmap = alignment;
 255     m_stretchBgBitmap = stretch;
 256 }
 257
 258 const wxBitmap& wxWindow::GetBackgroundBitmap(int *alignment,
 259                                                wxStretch *stretch) const
 260 {
 261     if ( m_bitmapBg.Ok() )
 262     {
 263         if ( alignment )
 264             *alignment = m_alignBgBitmap;
 265         if ( stretch )
 266             *stretch = m_stretchBgBitmap;
 267     }
 268
 269     return m_bitmapBg;
 270 }
 271
 272 // ----------------------------------------------------------------------------
 273 // painting
 274 // ----------------------------------------------------------------------------
 275
 276 // the event handlers executed when the window must be repainted
 277 void wxWindow::OnNcPaint(wxNcPaintEvent& WXUNUSED(event))
 278 {
 279     if ( m_renderer )
 280     {
 281         // get the window rect
 282         wxRect rect(GetSize());
 283
 284 #if wxUSE_SCROLLBAR
 285         // if the scrollbars are outside the border, we must adjust the rect to
 286         // exclude them
 287         if ( !m_renderer->AreScrollbarsInsideBorder() )
 288         {
 289             wxScrollBar *scrollbar = GetScrollbar(wxVERTICAL);
 290             if ( scrollbar )
 291                 rect.width -= scrollbar->GetSize().x;
 292
 293             scrollbar = GetScrollbar(wxHORIZONTAL);
 294             if ( scrollbar )
 295                 rect.height -= scrollbar->GetSize().y;
 296         }
 297 #endif // wxUSE_SCROLLBAR
 298
 299         // get the DC and draw the border on it
 300         wxWindowDC dc(this);
 301         DoDrawBorder(dc, rect);
 302     }
 303 }
 304
 305 void wxWindow::OnPaint(wxPaintEvent& event)
 306 {
 307     if ( !m_renderer )
 308     {
 309         // it is a native control which paints itself
 310         event.Skip();
 311     }
 312     else
 313     {
 314         // get the DC to use and create renderer on it
 315         wxPaintDC dc(this);
 316         wxControlRenderer renderer(this, dc, m_renderer);
 317
 318         // draw the control
 319         DoDraw(&renderer);
 320     }
 321 }
 322
 323 // the event handler executed when the window background must be painted
 324 void wxWindow::OnErase(wxEraseEvent& event)
 325 {
 326     if ( !m_renderer )
 327     {
 328         event.Skip();
 329
 330         return;
 331     }
 332
 333     DoDrawBackground(*event.GetDC());
 334
 335 #if wxUSE_SCROLLBAR
 336     // if we have both scrollbars, we also have a square in the corner between
 337     // them which we must paint
 338     if ( m_scrollbarVert && m_scrollbarHorz )
 339     {
 340         wxSize size = GetSize();
 341         wxRect rectClient = GetClientRect(),
 342                rectBorder = m_renderer->GetBorderDimensions(GetBorder());
 343
 344         wxRect rectCorner;
 345         rectCorner.x = rectClient.GetRight() + 1;
 346         rectCorner.y = rectClient.GetBottom() + 1;
 347         rectCorner.SetRight(size.x - rectBorder.width);
 348         rectCorner.SetBottom(size.y - rectBorder.height);
 349
 350         if ( GetUpdateRegion().Contains(rectCorner) )
 351         {
 352             m_renderer->DrawScrollCorner(*event.GetDC(), rectCorner);
 353         }
 354     }
 355 #endif // wxUSE_SCROLLBAR
 356 }
 357
 358 bool wxWindow::DoDrawBackground(wxDC& dc)
 359 {
 360     wxRect rect;
 361
 362     wxSize size = GetSize();  // Why not GetClientSize() ?
 363     rect.x = 0;
 364     rect.y = 0;
 365     rect.width = size.x;
 366     rect.height = size.y;
 367
 368     wxWindow * const parent = GetParent();
 369     if ( HasTransparentBackground() && !UseBgCol() && parent )
 370     {
 371         // DirectFB paints the parent first, then its child windows, so by
 372         // the time this code is called, parent's background was already
 373         // drawn and there's no point in (imperfectly!) duplicating the work
 374         // here:
 375 #ifndef __WXDFB__
 376         wxASSERT( !IsTopLevel() );
 377
 378         wxPoint pos = GetPosition();
 379
 380         AdjustForParentClientOrigin( pos.x, pos.y, 0 );
 381
 382         // Adjust DC logical origin
 383         wxCoord org_x, org_y, x, y;
 384         dc.GetLogicalOrigin( &org_x, &org_y );
 385         x = org_x + pos.x;
 386         y = org_y + pos.y;
 387         dc.SetLogicalOrigin( x, y );
 388
 389         // Adjust draw rect
 390         rect.x = pos.x;
 391         rect.y = pos.y;
 392
 393         // Let parent draw the background
 394         parent->EraseBackground( dc, rect );
 395
 396         // Restore DC logical origin
 397         dc.SetLogicalOrigin( org_x, org_y );
 398 #endif // !__WXDFB__
 399     }
 400     else
 401     {
 402         // Draw background ourselves
 403         EraseBackground( dc, rect );
 404     }
 405
 406     return true;
 407 }
 408
 409 void wxWindow::EraseBackground(wxDC& dc, const wxRect& rect)
 410 {
 411     if ( GetBackgroundBitmap().Ok() )
 412     {
 413         // Get the bitmap and the flags
 414         int alignment;
 415         wxStretch stretch;
 416         wxBitmap bmp = GetBackgroundBitmap(&alignment, &stretch);
 417         wxControlRenderer::DrawBitmap(dc, bmp, rect, alignment, stretch);
 418     }
 419     else
 420     {
 421         // Just fill it with bg colour if no bitmap
 422
 423         m_renderer->DrawBackground(dc, wxTHEME_BG_COLOUR(this),
 424                                    rect, GetStateFlags());
 425     }
 426 }
 427
 428 void wxWindow::DoDrawBorder(wxDC& dc, const wxRect& rect)
 429 {
 430     // draw outline unless the update region is enitrely inside it in which
 431     // case we don't need to do it
 432 #if 0 // doesn't seem to work, why?
 433     if ( wxRegion(rect).Contains(GetUpdateRegion().GetBox()) != wxInRegion )
 434 #endif
 435     {
 436         m_renderer->DrawBorder(dc, GetBorder(), rect, GetStateFlags());
 437     }
 438 }
 439
 440 void wxWindow::DoDraw(wxControlRenderer * WXUNUSED(renderer))
 441 {
 442 }
 443
 444 void wxWindow::Refresh(bool eraseBackground, const wxRect *rect)
 445 {
 446     wxRect rectClient; // the same rectangle in client coordinates
 447     wxPoint origin = GetClientAreaOrigin();
 448
 449     wxSize size = GetClientSize();
 450
 451     if ( rect )
 452     {
 453         // the rectangle passed as argument is in client coordinates
 454         rectClient = *rect;
 455
 456         // don't refresh anything beyond the client area (scrollbars for
 457         // example)
 458         if ( rectClient.GetRight() > size.x )
 459             rectClient.SetRight(size.x);
 460         if ( rectClient.GetBottom() > size.y )
 461             rectClient.SetBottom(size.y);
 462
 463     }
 464     else // refresh the entire client area
 465     {
 466         // x,y is already set to 0 by default
 467         rectClient.SetSize(size);
 468     }
 469
 470     // convert refresh rectangle to window coordinates:
 471     wxRect rectWin(rectClient);
 472     rectWin.Offset(origin);
 473
 474     // debugging helper
 475 #ifdef WXDEBUG_REFRESH
 476     static bool s_refreshDebug = false;
 477     if ( s_refreshDebug )
 478     {
 479         wxWindowDC dc(this);
 480         dc.SetBrush(*wxCYAN_BRUSH);
 481         dc.SetPen(*wxTRANSPARENT_PEN);
 482         dc.DrawRectangle(rectWin);
 483
 484         // under Unix we use "--sync" X option for this
 485         #if defined(__WXMSW__) && !defined(__WXMICROWIN__)
 486             ::GdiFlush();
 487             ::Sleep(200);
 488         #endif // __WXMSW__
 489     }
 490 #endif // WXDEBUG_REFRESH
 491
 492     wxWindowNative::Refresh(eraseBackground, &rectWin);
 493
 494     // Refresh all sub controls if any.
 495     wxWindowList& children = GetChildren();
 496     for ( wxWindowList::iterator i = children.begin(); i != children.end(); ++i )
 497     {
 498         wxWindow *child = *i;
 499         // only refresh subcontrols if they are visible:
 500         if ( child->IsTopLevel() || !child->IsShown() || child->IsFrozen() )
 501             continue;
 502
 503         // ...and when the subcontrols are in the update region:
 504         wxRect childrect(child->GetRect());
 505         childrect.Intersect(rectClient);
 506         if ( childrect.IsEmpty() )
 507             continue;
 508
 509         // refresh the subcontrol now:
 510         childrect.Offset(-child->GetPosition());
 511         // NB: We must call wxWindowNative version because we need to refresh
 512         //     the entire control, not just its client area, and this is why we
 513         //     don't account for child client area origin here neither. Also
 514         //     note that we don't pass eraseBackground to the child, but use
 515         //     true instead: this is because we can't be sure that
 516         //     eraseBackground=false is safe for children as well and not only
 517         //     for the parent.
 518         child->wxWindowNative::Refresh(eraseBackground, &childrect);
 519     }
 520 }
 521
 522 // ----------------------------------------------------------------------------
 523 // state flags
 524 // ----------------------------------------------------------------------------
 525
 526 bool wxWindow::Enable(bool enable)
 527 {
 528     if ( !wxWindowNative::Enable(enable) )
 529         return false;
 530
 531     // disabled window can't keep focus
 532     if ( FindFocus() == this && GetParent() != NULL )
 533     {
 534         GetParent()->SetFocus();
 535     }
 536
 537     if ( m_renderer )
 538     {
 539         // a window with renderer is drawn by ourselves and it has to be
 540         // refreshed to reflect its new status
 541         Refresh();
 542     }
 543
 544     return true;
 545 }
 546
 547 bool wxWindow::IsFocused() const
 548 {
 549     return FindFocus() == this;
 550 }
 551
 552 bool wxWindow::IsPressed() const
 553 {
 554     return false;
 555 }
 556
 557 bool wxWindow::IsDefault() const
 558 {
 559     return false;
 560 }
 561
 562 bool wxWindow::IsCurrent() const
 563 {
 564     return m_isCurrent;
 565 }
 566
 567 bool wxWindow::SetCurrent(bool doit)
 568 {
 569     if ( doit == m_isCurrent )
 570         return false;
 571
 572     m_isCurrent = doit;
 573
 574     if ( CanBeHighlighted() )
 575         Refresh();
 576
 577     return true;
 578 }
 579
 580 int wxWindow::GetStateFlags() const
 581 {
 582     int flags = 0;
 583     if ( !IsEnabled() )
 584         flags |= wxCONTROL_DISABLED;
 585
 586     // the following states are only possible if our application is active - if
 587     // it is not, even our default/focused controls shouldn't appear as such
 588     if ( wxTheApp->IsActive() )
 589     {
 590         if ( IsCurrent() )
 591             flags |= wxCONTROL_CURRENT;
 592         if ( IsFocused() )
 593             flags |= wxCONTROL_FOCUSED;
 594         if ( IsPressed() )
 595             flags |= wxCONTROL_PRESSED;
 596         if ( IsDefault() )
 597             flags |= wxCONTROL_ISDEFAULT;
 598     }
 599
 600     return flags;
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // size
 605 // ----------------------------------------------------------------------------
 606
 607 void wxWindow::OnSize(wxSizeEvent& event)
 608 {
 609     event.Skip();
 610
 611 #if wxUSE_SCROLLBAR
 612     if ( m_scrollbarVert || m_scrollbarHorz )
 613     {
 614         PositionScrollbars();
 615     }
 616 #endif // wxUSE_SCROLLBAR
 617
 618 #if 0   // ndef __WXMSW__
 619     // Refresh the area (strip) previously occupied by the border
 620
 621     if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) && IsShown() )
 622     {
 623         // This code assumes that wxSizeEvent.GetSize() returns
 624         // the area of the entire window, not just the client
 625         // area.
 626         wxSize newSize = event.GetSize();
 627
 628         if (m_oldSize.x == wxDefaultCoord && m_oldSize.y == wxDefaultCoord)
 629         {
 630             m_oldSize = newSize;
 631             return;
 632         }
 633
 634         if (HasFlag( wxSIMPLE_BORDER ))
 635         {
 636             if (newSize.y > m_oldSize.y)
 637             {
 638                 wxRect rect;
 639                 rect.x = 0;
 640                 rect.width = m_oldSize.x;
 641                 rect.y = m_oldSize.y-2;
 642                 rect.height = 1;
 643                 Refresh( true, &rect );
 644             }
 645             else if (newSize.y < m_oldSize.y)
 646             {
 647                 wxRect rect;
 648                 rect.y = newSize.y;
 649                 rect.x = 0;
 650                 rect.height = 1;
 651                 rect.width = newSize.x;
 652                 wxWindowNative::Refresh( true, &rect );
 653             }
 654
 655             if (newSize.x > m_oldSize.x)
 656             {
 657                 wxRect rect;
 658                 rect.y = 0;
 659                 rect.height = m_oldSize.y;
 660                 rect.x = m_oldSize.x-2;
 661                 rect.width = 1;
 662                 Refresh( true, &rect );
 663             }
 664             else if (newSize.x < m_oldSize.x)
 665             {
 666                 wxRect rect;
 667                 rect.x = newSize.x;
 668                 rect.y = 0;
 669                 rect.width = 1;
 670                 rect.height = newSize.y;
 671                 wxWindowNative::Refresh( true, &rect );
 672             }
 673         }
 674         else
 675         if (HasFlag( wxSUNKEN_BORDER ) || HasFlag( wxRAISED_BORDER ) || HasFlag( wxBORDER_THEME ))
 676         {
 677             if (newSize.y > m_oldSize.y)
 678             {
 679                 wxRect rect;
 680                 rect.x = 0;
 681                 rect.width = m_oldSize.x;
 682                 rect.y = m_oldSize.y-4;
 683                 rect.height = 2;
 684                 Refresh( true, &rect );
 685             }
 686             else if (newSize.y < m_oldSize.y)
 687             {
 688                 wxRect rect;
 689                 rect.y = newSize.y;
 690                 rect.x = 0;
 691                 rect.height = 2;
 692                 rect.width = newSize.x;
 693                 wxWindowNative::Refresh( true, &rect );
 694             }
 695
 696             if (newSize.x > m_oldSize.x)
 697             {
 698                 wxRect rect;
 699                 rect.y = 0;
 700                 rect.height = m_oldSize.y;
 701                 rect.x = m_oldSize.x-4;
 702                 rect.width = 2;
 703                 Refresh( true, &rect );
 704             }
 705             else if (newSize.x < m_oldSize.x)
 706             {
 707                 wxRect rect;
 708                 rect.x = newSize.x;
 709                 rect.y = 0;
 710                 rect.width = 2;
 711                 rect.height = newSize.y;
 712                 wxWindowNative::Refresh( true, &rect );
 713             }
 714         }
 715
 716         m_oldSize = newSize;
 717     }
 718 #endif
 719 }
 720
 721 wxSize wxWindow::DoGetBestSize() const
 722 {
 723     return AdjustSize(DoGetBestClientSize());
 724 }
 725
 726 wxSize wxWindow::DoGetBestClientSize() const
 727 {
 728     return wxWindowNative::DoGetBestSize();
 729 }
 730
 731 wxSize wxWindow::AdjustSize(const wxSize& size) const
 732 {
 733     wxSize sz = size;
 734     if ( m_renderer )
 735         m_renderer->AdjustSize(&sz, this);
 736     return sz;
 737 }
 738
 739 wxPoint wxWindow::GetClientAreaOrigin() const
 740 {
 741     wxPoint pt = wxWindowBase::GetClientAreaOrigin();
 742
 743 #if wxUSE_TWO_WINDOWS
 744 #else
 745     if ( m_renderer )
 746         pt += m_renderer->GetBorderDimensions(GetBorder()).GetPosition();
 747 #endif
 748
 749     return pt;
 750 }
 751
 752 void wxWindow::DoGetClientSize(int *width, int *height) const
 753 {
 754     // if it is a native window, we assume it handles the scrollbars itself
 755     // too - and if it doesn't, there is not much we can do
 756     if ( !m_renderer )
 757     {
 758         wxWindowNative::DoGetClientSize(width, height);
 759
 760         return;
 761     }
 762
 763     int w, h;
 764     wxWindowNative::DoGetClientSize(&w, &h);
 765
 766     // we assume that the scrollbars are positioned correctly (by a previous
 767     // call to PositionScrollbars()) here
 768
 769     wxRect rectBorder;
 770     if ( m_renderer )
 771         rectBorder = m_renderer->GetBorderDimensions(GetBorder());
 772
 773     if ( width )
 774     {
 775 #if wxUSE_SCROLLBAR
 776         // in any case, take account of the scrollbar
 777         if ( m_scrollbarVert )
 778             w -= m_scrollbarVert->GetSize().x;
 779 #endif // wxUSE_SCROLLBAR
 780
 781         // account for the left and right borders
 782         *width = w - rectBorder.x - rectBorder.width;
 783
 784         // we shouldn't return invalid width
 785         if ( *width < 0 )
 786             *width = 0;
 787     }
 788
 789     if ( height )
 790     {
 791 #if wxUSE_SCROLLBAR
 792         if ( m_scrollbarHorz )
 793             h -= m_scrollbarHorz->GetSize().y;
 794 #endif // wxUSE_SCROLLBAR
 795
 796         *height = h - rectBorder.y - rectBorder.height;
 797
 798         // we shouldn't return invalid height
 799         if ( *height < 0 )
 800             *height = 0;
 801     }
 802 }
 803
 804 void wxWindow::DoSetClientSize(int width, int height)
 805 {
 806     // take into account the borders
 807     wxRect rectBorder = m_renderer->GetBorderDimensions(GetBorder());
 808     width += rectBorder.x;
 809     height += rectBorder.y;
 810
 811     // and the scrollbars (as they may be offset into the border, use the
 812     // scrollbar position, not size - this supposes that PositionScrollbars()
 813     // had been called before)
 814     wxSize size = GetSize();
 815 #if wxUSE_SCROLLBAR
 816     if ( m_scrollbarVert )
 817         width += size.x - m_scrollbarVert->GetPosition().x;
 818 #endif // wxUSE_SCROLLBAR
 819     width += rectBorder.width;
 820
 821 #if wxUSE_SCROLLBAR
 822     if ( m_scrollbarHorz )
 823         height += size.y - m_scrollbarHorz->GetPosition().y;
 824 #endif // wxUSE_SCROLLBAR
 825     height += rectBorder.height;
 826
 827     wxWindowNative::DoSetClientSize(width, height);
 828 }
 829
 830 wxHitTest wxWindow::DoHitTest(wxCoord x, wxCoord y) const
 831 {
 832     wxHitTest ht = wxWindowNative::DoHitTest(x, y);
 833
 834 #if wxUSE_SCROLLBAR
 835     if ( ht == wxHT_WINDOW_INSIDE )
 836     {
 837         if ( m_scrollbarVert && x >= m_scrollbarVert->GetPosition().x )
 838         {
 839             // it can still be changed below because it may also be the corner
 840             ht = wxHT_WINDOW_VERT_SCROLLBAR;
 841         }
 842
 843         if ( m_scrollbarHorz && y >= m_scrollbarHorz->GetPosition().y )
 844         {
 845             ht = ht == wxHT_WINDOW_VERT_SCROLLBAR ? wxHT_WINDOW_CORNER
 846                                                   : wxHT_WINDOW_HORZ_SCROLLBAR;
 847         }
 848     }
 849 #endif // wxUSE_SCROLLBAR
 850
 851     return ht;
 852 }
 853
 854 // ----------------------------------------------------------------------------
 855 // scrolling: we implement it entirely ourselves except for ScrollWindow()
 856 // function which is supposed to be (efficiently) implemented by the native
 857 // window class
 858 // ----------------------------------------------------------------------------
 859
 860 void wxWindow::RefreshScrollbars()
 861 {
 862 #if wxUSE_SCROLLBAR
 863     if ( m_scrollbarHorz )
 864         m_scrollbarHorz->Refresh();
 865
 866     if ( m_scrollbarVert )
 867         m_scrollbarVert->Refresh();
 868 #endif // wxUSE_SCROLLBAR
 869 }
 870
 871 void wxWindow::PositionScrollbars()
 872 {
 873 #if wxUSE_SCROLLBAR
 874     // do not use GetClientSize/Rect as it relies on the scrollbars being
 875     // correctly positioned
 876
 877     wxSize size = GetSize();
 878     wxBorder border = GetBorder();
 879     wxRect rectBorder = m_renderer->GetBorderDimensions(border);
 880     bool inside = m_renderer->AreScrollbarsInsideBorder();
 881
 882     int height = m_scrollbarHorz ? m_scrollbarHorz->GetSize().y : 0;
 883     int width = m_scrollbarVert ? m_scrollbarVert->GetSize().x : 0;
 884
 885     wxRect rectBar;
 886     if ( m_scrollbarVert )
 887     {
 888         rectBar.x = size.x - width;
 889         if ( inside )
 890            rectBar.x -= rectBorder.width;
 891         rectBar.width = width;
 892         rectBar.y = 0;
 893         if ( inside )
 894             rectBar.y += rectBorder.y;
 895         rectBar.height = size.y - height;
 896         if ( inside )
 897             rectBar.height -= rectBorder.y + rectBorder.height;
 898
 899         m_scrollbarVert->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS);
 900     }
 901
 902     if ( m_scrollbarHorz )
 903     {
 904         rectBar.y = size.y - height;
 905         if ( inside )
 906             rectBar.y -= rectBorder.height;
 907         rectBar.height = height;
 908         rectBar.x = 0;
 909         if ( inside )
 910             rectBar.x += rectBorder.x;
 911         rectBar.width = size.x - width;
 912         if ( inside )
 913             rectBar.width -= rectBorder.x + rectBorder.width;
 914
 915         m_scrollbarHorz->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS);
 916     }
 917
 918     RefreshScrollbars();
 919 #endif // wxUSE_SCROLLBAR
 920 }
 921
 922 void wxWindow::SetScrollbar(int orient,
 923                             int pos,
 924                             int pageSize,
 925                             int range,
 926                             bool refresh)
 927 {
 928 #if wxUSE_SCROLLBAR
 929     wxASSERT_MSG( pageSize <= range,
 930                     _T("page size can't be greater than range") );
 931
 932     bool hasClientSizeChanged = false;
 933     wxScrollBar *scrollbar = GetScrollbar(orient);
 934     if ( range && (pageSize < range) )
 935     {
 936         if ( !scrollbar )
 937         {
 938             // create it
 939 #if wxUSE_TWO_WINDOWS
 940             SetInsertIntoMain( true );
 941 #endif
 942             scrollbar = new wxWindowScrollBar(this, wxID_ANY,
 943                                               wxDefaultPosition, wxDefaultSize,
 944                                               orient & wxVERTICAL ? wxSB_VERTICAL
 945                                                                   : wxSB_HORIZONTAL);
 946 #if wxUSE_TWO_WINDOWS
 947             SetInsertIntoMain( false );
 948 #endif
 949             if ( orient & wxVERTICAL )
 950                 m_scrollbarVert = scrollbar;
 951             else
 952                 m_scrollbarHorz = scrollbar;
 953
 954             // the client area diminished as we created a scrollbar
 955             hasClientSizeChanged = true;
 956
 957             PositionScrollbars();
 958         }
 959         else if ( GetWindowStyle() & wxALWAYS_SHOW_SB )
 960         {
 961             // we might have disabled it before
 962             scrollbar->Enable();
 963         }
 964
 965         scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh);
 966     }
 967     else // no range means no scrollbar
 968     {
 969         if ( scrollbar )
 970         {
 971             // wxALWAYS_SHOW_SB only applies to the vertical scrollbar
 972             if ( (orient & wxVERTICAL) && (GetWindowStyle() & wxALWAYS_SHOW_SB) )
 973             {
 974                 // just disable the scrollbar
 975                 scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh);
 976                 scrollbar->Disable();
 977             }
 978             else // really remove the scrollbar
 979             {
 980                 delete scrollbar;
 981
 982                 if ( orient & wxVERTICAL )
 983                     m_scrollbarVert = NULL;
 984                 else
 985                     m_scrollbarHorz = NULL;
 986
 987                 // the client area increased as we removed a scrollbar
 988                 hasClientSizeChanged = true;
 989
 990                 // the size of the remaining scrollbar must be adjusted
 991                 if ( m_scrollbarHorz || m_scrollbarVert )
 992                 {
 993                     PositionScrollbars();
 994                 }
 995             }
 996         }
 997     }
 998
 999     // give the window a chance to relayout
1000     if ( hasClientSizeChanged )
1001     {
1002 #if wxUSE_TWO_WINDOWS
1003         wxWindowNative::SetSize( GetSize() );
1004 #else
1005         wxSizeEvent event(GetSize());
1006         (void)GetEventHandler()->ProcessEvent(event);
1007 #endif
1008     }
1009 #else
1010     wxUnusedVar(orient);
1011     wxUnusedVar(pos);
1012     wxUnusedVar(pageSize);
1013     wxUnusedVar(range);
1014     wxUnusedVar(refresh);
1015 #endif // wxUSE_SCROLLBAR
1016 }
1017
1018 void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
1019 {
1020 #if wxUSE_SCROLLBAR
1021     wxScrollBar *scrollbar = GetScrollbar(orient);
1022
1023     if (scrollbar)
1024         scrollbar->SetThumbPosition(pos);
1025
1026     // VZ: I think we can safely ignore this as we always refresh it
1027     //     automatically whenever the value chanegs
1028 #if 0
1029     if ( refresh )
1030         Refresh();
1031 #endif
1032 #else
1033     wxUnusedVar(orient);
1034     wxUnusedVar(pos);
1035 #endif // wxUSE_SCROLLBAR
1036 }
1037
1038 int wxWindow::GetScrollPos(int orient) const
1039 {
1040 #if wxUSE_SCROLLBAR
1041     wxScrollBar *scrollbar = GetScrollbar(orient);
1042     return scrollbar ? scrollbar->GetThumbPosition() : 0;
1043 #else
1044     wxUnusedVar(orient);
1045     return 0;
1046 #endif // wxUSE_SCROLLBAR
1047 }
1048
1049 int wxWindow::GetScrollThumb(int orient) const
1050 {
1051 #if wxUSE_SCROLLBAR
1052     wxScrollBar *scrollbar = GetScrollbar(orient);
1053     return scrollbar ? scrollbar->GetThumbSize() : 0;
1054 #else
1055     wxUnusedVar(orient);
1056     return 0;
1057 #endif // wxUSE_SCROLLBAR
1058 }
1059
1060 int wxWindow::GetScrollRange(int orient) const
1061 {
1062 #if wxUSE_SCROLLBAR
1063     wxScrollBar *scrollbar = GetScrollbar(orient);
1064     return scrollbar ? scrollbar->GetRange() : 0;
1065 #else
1066     wxUnusedVar(orient);
1067     return 0;
1068 #endif // wxUSE_SCROLLBAR
1069 }
1070
1071 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
1072 {
1073     // use native scrolling when available and do it in generic way
1074     // otherwise:
1075 #ifdef __WXX11__
1076
1077     wxWindowNative::ScrollWindow(dx, dy, rect);
1078
1079 #else // !wxX11
1080
1081     // before scrolling it, ensure that we don't have any unpainted areas
1082     Update();
1083
1084     wxRect r;
1085
1086     if ( dx )
1087     {
1088         r = ScrollNoRefresh(dx, 0, rect);
1089         Refresh(true /* erase bkgnd */, &r);
1090     }
1091
1092     if ( dy )
1093     {
1094         r = ScrollNoRefresh(0, dy, rect);
1095         Refresh(true /* erase bkgnd */, &r);
1096     }
1097
1098     // scroll children accordingly:
1099     wxPoint offset(dx, dy);
1100
1101     for (wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1102          node; node = node->GetNext())
1103     {
1104         wxWindow *child = node->GetData();
1105 #if wxUSE_SCROLLBAR
1106         if ( child == m_scrollbarVert || child == m_scrollbarHorz )
1107             continue;
1108 #endif // wxUSE_SCROLLBAR
1109
1110         // VS: Scrolling children has non-trivial semantics. If rect=NULL then
1111         //     it is easy: we scroll all children. Otherwise it gets
1112         //     complicated:
1113         //       1. if scrolling in one direction only, scroll only
1114         //          those children that intersect shaft defined by the rectangle
1115         //          and scrolling direction
1116         //       2. if scrolling in both axes, scroll all children
1117
1118         bool shouldMove = false;
1119
1120         if ( rect && (dx * dy == 0 /* moving in only one of x, y axis */) )
1121         {
1122             wxRect childRect = child->GetRect();
1123             if ( dx == 0 && (childRect.GetLeft() <= rect->GetRight() ||
1124                              childRect.GetRight() >= rect->GetLeft()) )
1125             {
1126                 shouldMove = true;
1127             }
1128             else if ( dy == 0 && (childRect.GetTop() <= rect->GetBottom() ||
1129                                   childRect.GetBottom() >= rect->GetTop()) )
1130             {
1131                 shouldMove = true;
1132             }
1133             // else: child outside of scrolling shaft, don't move
1134         }
1135         else // scrolling in both axes or rect=NULL
1136         {
1137             shouldMove = true;
1138         }
1139
1140         if ( shouldMove )
1141             child->Move(child->GetPosition() + offset, wxSIZE_ALLOW_MINUS_ONE);
1142     }
1143 #endif // wxX11/!wxX11
1144 }
1145
1146 wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
1147 {
1148     wxASSERT_MSG( !dx || !dy, _T("can't be used for diag scrolling") );
1149
1150     // the rect to refresh (which we will calculate)
1151     wxRect rect;
1152
1153     if ( !dx && !dy )
1154     {
1155         // nothing to do
1156         return rect;
1157     }
1158
1159     // calculate the part of the window which we can just redraw in the new
1160     // location
1161     wxSize sizeTotal = rectTotal ? rectTotal->GetSize() : GetClientSize();
1162
1163     wxLogTrace(_T("scroll"), _T("rect is %dx%d, scroll by %d, %d"),
1164                sizeTotal.x, sizeTotal.y, dx, dy);
1165
1166     // the initial and end point of the region we move in client coords
1167     wxPoint ptSource, ptDest;
1168     if ( rectTotal )
1169     {
1170         ptSource = rectTotal->GetPosition();
1171         ptDest = rectTotal->GetPosition();
1172     }
1173
1174     // the size of this region
1175     wxSize size;
1176     size.x = sizeTotal.x - abs(dx);
1177     size.y = sizeTotal.y - abs(dy);
1178     if ( size.x <= 0 || size.y <= 0 )
1179     {
1180         // just redraw everything as nothing of the displayed image will stay
1181         wxLogTrace(_T("scroll"), _T("refreshing everything"));
1182
1183         rect = rectTotal ? *rectTotal : wxRect(0, 0, sizeTotal.x, sizeTotal.y);
1184     }
1185     else // move the part which doesn't change to the new location
1186     {
1187         // note that when we scroll the canvas in some direction we move the
1188         // block which doesn't need to be refreshed in the opposite direction
1189
1190         if ( dx < 0 )
1191         {
1192             // scroll to the right, move to the left
1193             ptSource.x -= dx;
1194         }
1195         else
1196         {
1197             // scroll to the left, move to the right
1198             ptDest.x += dx;
1199         }
1200
1201         if ( dy < 0 )
1202         {
1203             // scroll down, move up
1204             ptSource.y -= dy;
1205         }
1206         else
1207         {
1208             // scroll up, move down
1209             ptDest.y += dy;
1210         }
1211
1212 #if wxUSE_CARET
1213         // we need to hide the caret before moving or it will erase itself at
1214         // the wrong (old) location
1215         wxCaret *caret = GetCaret();
1216         if ( caret )
1217             caret->Hide();
1218 #endif // wxUSE_CARET
1219
1220         // do move
1221         wxClientDC dc(this);
1222         wxBitmap bmp(size.x, size.y);
1223         wxMemoryDC dcMem;
1224         dcMem.SelectObject(bmp);
1225
1226         dcMem.Blit(wxPoint(0,0), size, &dc, ptSource
1227 #if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT)
1228                 + GetClientAreaOrigin()
1229 #endif // broken wxGTK wxDC::Blit
1230                   );
1231         dc.Blit(ptDest, size, &dcMem, wxPoint(0,0));
1232
1233         wxLogTrace(_T("scroll"),
1234                    _T("Blit: (%d, %d) of size %dx%d -> (%d, %d)"),
1235                    ptSource.x, ptSource.y,
1236                    size.x, size.y,
1237                    ptDest.x, ptDest.y);
1238
1239         // and now repaint the uncovered area
1240
1241         // FIXME: We repaint the intersection of these rectangles twice - is
1242         //        it bad? I don't think so as it is rare to scroll the window
1243         //        diagonally anyhow and so adding extra logic to compute
1244         //        rectangle intersection is probably not worth the effort
1245
1246         rect.x = ptSource.x;
1247         rect.y = ptSource.y;
1248
1249         if ( dx )
1250         {
1251             if ( dx < 0 )
1252             {
1253                 // refresh the area along the right border
1254                 rect.x += size.x + dx;
1255                 rect.width = -dx;
1256             }
1257             else
1258             {
1259                 // refresh the area along the left border
1260                 rect.width = dx;
1261             }
1262
1263             rect.height = sizeTotal.y;
1264
1265             wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"),
1266                        rect.x, rect.y,
1267                        rect.GetRight() + 1, rect.GetBottom() + 1);
1268         }
1269
1270         if ( dy )
1271         {
1272             if ( dy < 0 )
1273             {
1274                 // refresh the area along the bottom border
1275                 rect.y += size.y + dy;
1276                 rect.height = -dy;
1277             }
1278             else
1279             {
1280                 // refresh the area along the top border
1281                 rect.height = dy;
1282             }
1283
1284             rect.width = sizeTotal.x;
1285
1286             wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"),
1287                        rect.x, rect.y,
1288                        rect.GetRight() + 1, rect.GetBottom() + 1);
1289         }
1290
1291 #if wxUSE_CARET
1292         if ( caret )
1293             caret->Show();
1294 #endif // wxUSE_CARET
1295     }
1296
1297     return rect;
1298 }
1299
1300 // ----------------------------------------------------------------------------
1301 // accelerators and menu hot keys
1302 // ----------------------------------------------------------------------------
1303
1304 #if wxUSE_MENUS
1305     // the last window over which Alt was pressed (used by OnKeyUp)
1306     wxWindow *wxWindow::ms_winLastAltPress = NULL;
1307 #endif // wxUSE_MENUS
1308
1309 #if wxUSE_ACCEL || wxUSE_MENUS
1310
1311 void wxWindow::OnKeyDown(wxKeyEvent& event)
1312 {
1313 #if wxUSE_MENUS
1314     int key = event.GetKeyCode();
1315     if ( !event.ControlDown() && (key == WXK_ALT || key == WXK_F10) )
1316     {
1317         ms_winLastAltPress = this;
1318
1319         // it can't be an accel anyhow
1320         return;
1321     }
1322
1323     ms_winLastAltPress = NULL;
1324 #endif // wxUSE_MENUS
1325
1326 #if wxUSE_ACCEL
1327     for ( wxWindow *win = this; win; win = win->GetParent() )
1328     {
1329         int command = win->GetAcceleratorTable()->GetCommand(event);
1330         if ( command != -1 )
1331         {
1332             wxCommandEvent eventCmd(wxEVT_COMMAND_MENU_SELECTED, command);
1333             if ( win->GetEventHandler()->ProcessEvent(eventCmd) )
1334             {
1335                 // skip "event.Skip()" below
1336                 return;
1337             }
1338         }
1339
1340         if ( win->IsTopLevel() )
1341         {
1342             // try the frame menu bar
1343 #if wxUSE_MENUS
1344             wxFrame *frame = wxDynamicCast(win, wxFrame);
1345             if ( frame )
1346             {
1347                 wxMenuBar *menubar = frame->GetMenuBar();
1348                 if ( menubar && menubar->ProcessAccelEvent(event) )
1349                 {
1350                     // skip "event.Skip()" below
1351                     return;
1352                 }
1353             }
1354 #endif // wxUSE_MENUS
1355
1356 #if wxUSE_BUTTON
1357             // if it wasn't in a menu, try to find a button
1358             if ( command != -1 )
1359             {
1360                 wxWindow* child = win->FindWindow(command);
1361                 if ( child && wxDynamicCast(child, wxButton) )
1362                 {
1363                     wxCommandEvent eventCmd(wxEVT_COMMAND_BUTTON_CLICKED, command);
1364                     eventCmd.SetEventObject(child);
1365                     if ( child->GetEventHandler()->ProcessEvent(eventCmd) )
1366                     {
1367                         // skip "event.Skip()" below
1368                         return;
1369                     }
1370                 }
1371             }
1372 #endif // wxUSE_BUTTON
1373
1374             // don't propagate accels from the child frame to the parent one
1375             break;
1376         }
1377     }
1378 #endif // wxUSE_ACCEL
1379
1380     event.Skip();
1381 }
1382
1383 #endif // wxUSE_ACCEL
1384
1385 #if wxUSE_MENUS
1386
1387 wxMenuBar *wxWindow::GetParentFrameMenuBar() const
1388 {
1389     for ( const wxWindow *win = this; win; win = win->GetParent() )
1390     {
1391         if ( win->IsTopLevel() )
1392         {
1393             wxFrame *frame = wxDynamicCast(win, wxFrame);
1394             if ( frame )
1395             {
1396                 return frame->GetMenuBar();
1397             }
1398
1399             // don't look further - we don't want to return the menubar of the
1400             // parent frame
1401             break;
1402         }
1403     }
1404
1405     return NULL;
1406 }
1407
1408 void wxWindow::OnChar(wxKeyEvent& event)
1409 {
1410     if ( event.AltDown() && !event.ControlDown() )
1411     {
1412         int key = event.GetKeyCode();
1413
1414         wxMenuBar *menubar = GetParentFrameMenuBar();
1415         if ( menubar )
1416         {
1417             int item = menubar->FindNextItemForAccel(-1, key);
1418             if ( item != -1 )
1419             {
1420                 menubar->PopupMenu((size_t)item);
1421
1422                 // skip "event.Skip()" below
1423                 return;
1424             }
1425         }
1426     }
1427
1428     // if Return was pressed, see if there's a default button to activate
1429     if ( !event.HasModifiers() && event.GetKeyCode() == WXK_RETURN )
1430     {
1431         wxTopLevelWindow *
1432             tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
1433         if ( tlw )
1434         {
1435             wxButton *btn = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
1436             if ( btn )
1437             {
1438                 wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED, btn->GetId());
1439                 evt.SetEventObject(btn);
1440                 btn->Command(evt);
1441                 return;
1442             }
1443         }
1444     }
1445
1446
1447     event.Skip();
1448 }
1449
1450 void wxWindow::OnKeyUp(wxKeyEvent& event)
1451 {
1452     int key = event.GetKeyCode();
1453     if ( !event.HasModifiers() && (key == WXK_ALT || key == WXK_F10) )
1454     {
1455         // only process Alt release specially if there were no other key
1456         // presses since Alt had been pressed and if both events happened in
1457         // the same window
1458         if ( ms_winLastAltPress == this )
1459         {
1460             wxMenuBar *menubar = GetParentFrameMenuBar();
1461             if ( menubar && this != menubar )
1462             {
1463                 menubar->SelectMenu(0);
1464             }
1465         }
1466     }
1467     else
1468     {
1469         event.Skip();
1470     }
1471
1472     // in any case reset it
1473     ms_winLastAltPress = NULL;
1474 }
1475
1476 #endif // wxUSE_MENUS
1477
1478 // ----------------------------------------------------------------------------
1479 // MSW-specific section
1480 // ----------------------------------------------------------------------------
1481
1482 #ifdef __WXMSW__
1483
1484 #include "wx/msw/private.h"
1485
1486 WXLRESULT wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
1487 {
1488     if ( message == WM_NCHITTEST )
1489     {
1490         // the windows which contain the other windows should let the mouse
1491         // events through, otherwise a window inside a static box would
1492         // never get any events at all
1493         if ( IsStaticBox() )
1494         {
1495             return HTTRANSPARENT;
1496         }
1497     }
1498
1499     return wxWindowNative::MSWWindowProc(message, wParam, lParam);
1500 }
1501
1502 #endif // __WXMSW__