]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/wincmn.cpp
added CSS stylesheets support to tex2rtf
[wxWidgets.git] / src / common / wincmn.cpp
index 28fd6ab1d1c31db41d8468fd9fb78cfa4116ce9a..5922d27f4ab92cfdad82ecd993250823a98fc6ac 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
-// Name:        windows.cpp
+// Name:        common/window.cpp
 // Purpose:     common (to all ports) wxWindow functions
 // Author:      Julian Smart, Vadim Zeitlin
 // Modified by:
 // Created:     13/07/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) wxWindows team
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
-#include "wx/defs.h"
-#include "wx/window.h"
+// ============================================================================
+// declarations
+// ============================================================================
 
-// Do Update UI processing for child controls
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+    #pragma implementation "windowbase.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/log.h"
+    #include "wx/intl.h"
+    #include "wx/frame.h"
+    #include "wx/defs.h"
+    #include "wx/window.h"
+    #include "wx/control.h"
+    #include "wx/checkbox.h"
+    #include "wx/radiobut.h"
+    #include "wx/textctrl.h"
+    #include "wx/settings.h"
+    #include "wx/dialog.h"
+    #include "wx/msgdlg.h"
+    #include "wx/statusbr.h"
+#endif //WX_PRECOMP
+
+#if wxUSE_CONSTRAINTS
+    #include "wx/layout.h"
+#endif // wxUSE_CONSTRAINTS
+
+#include "wx/sizer.h"
+
+#if wxUSE_DRAG_AND_DROP
+    #include "wx/dnd.h"
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_HELP
+    #include "wx/cshelp.h"
+#endif // wxUSE_HELP
+
+#if wxUSE_TOOLTIPS
+    #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_CARET
+    #include "wx/caret.h"
+#endif // wxUSE_CARET
+
+// ----------------------------------------------------------------------------
+// static data
+// ----------------------------------------------------------------------------
+
+int wxWindowBase::ms_lastControlId = -200;
+
+IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
+
+// ----------------------------------------------------------------------------
+// event table
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
+    EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
+    EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
+    EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
+
+#if wxUSE_HELP
+    EVT_HELP(-1, wxWindowBase::OnHelp)
+#endif // wxUSE_HELP
+
+END_EVENT_TABLE()
+
+// ============================================================================
+// implementation of the common functionality of the wxWindow class
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// initialization
+// ----------------------------------------------------------------------------
+
+// the default initialization
+void wxWindowBase::InitBase()
+{
+    // no window yet, no parent nor children
+    m_parent = (wxWindow *)NULL;
+    m_windowId = -1;
+    m_children.DeleteContents( FALSE ); // don't auto delete node data
+
+    // no constraints on the minimal window size
+    m_minWidth =
+    m_minHeight =
+    m_maxWidth =
+    m_maxHeight = -1;
+
+    // window is created enabled but it's not visible yet
+    m_isShown = FALSE;
+    m_isEnabled = TRUE;
+
+    // the default event handler is just this window
+    m_eventHandler = this;
+
+#if wxUSE_VALIDATORS
+    // no validator
+    m_windowValidator = (wxValidator *) NULL;
+#endif // wxUSE_VALIDATORS
+
+    // use the system default colours
+    m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+    m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+
+    // don't set the font here for wxMSW as we don't call WM_SETFONT here and
+    // so the font is *not* really set - but calls to SetFont() later won't do
+    // anything because m_font appears to be already set!
+#ifndef __WXMSW__
+    m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+#endif // __WXMSW__
+
+    // the colours/fonts are default for now
+    m_hasBgCol =
+    m_hasFgCol =
+    m_hasFont = FALSE;
+
+    // no style bits
+    m_exStyle =
+    m_windowStyle = 0;
+
+    // an optimization for the event processing: checking this flag is much
+    // faster than using IsKindOf(CLASSINFO(wxWindow))
+    m_isWindow = TRUE;
+
+#if wxUSE_CONSTRAINTS
+    // no constraints whatsoever
+    m_constraints = (wxLayoutConstraints *) NULL;
+    m_constraintsInvolvedIn = (wxWindowList *) NULL;
+#endif // wxUSE_CONSTRAINTS
+
+    m_windowSizer = (wxSizer *) NULL;
+    m_containingSizer = (wxSizer *) NULL;
+    m_autoLayout = FALSE;
+
+#if wxUSE_DRAG_AND_DROP
+    m_dropTarget = (wxDropTarget *)NULL;
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_TOOLTIPS
+    m_tooltip = (wxToolTip *)NULL;
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_CARET
+    m_caret = (wxCaret *)NULL;
+#endif // wxUSE_CARET
+
+#if wxUSE_PALETTE
+    m_hasCustomPalette = FALSE;
+#endif // wxUSE_PALETTE
+
+    m_virtualSize = wxDefaultSize;
+    m_minVirtualWidth = -1;
+    m_minVirtualHeight = -1;
+    m_maxVirtualWidth = -1;
+    m_maxVirtualHeight = -1;
+
+    // Whether we're using the current theme for this window (wxGTK only for now)
+    m_themeEnabled = FALSE;
+}
+
+// common part of window creation process
+bool wxWindowBase::CreateBase(wxWindowBase *parent,
+                              wxWindowID id,
+                              const wxPoint& WXUNUSED(pos),
+                              const wxSize& WXUNUSED(size),
+                              long style,
+                              const wxValidator& validator,
+                              const wxString& name)
+{
+    // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other
+    // member variables - check that it has been called (will catch the case
+    // when a new ctor is added which doesn't call InitWindow)
+    wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") );
+
+    // generate a new id if the user doesn't care about it
+    m_windowId = id == -1 ? NewControlId() : id;
+
+    SetName(name);
+    SetWindowStyleFlag(style);
+    SetParent(parent);
+
+#if wxUSE_VALIDATORS
+    SetValidator(validator);
+#endif // wxUSE_VALIDATORS
+
+    // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
+    // have it too - like this it's possible to set it only in the top level
+    // dialog/frame and all children will inherit it by defult
+    if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
+    {
+        SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
+    }
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// destruction
+// ----------------------------------------------------------------------------
+
+// common clean up
+wxWindowBase::~wxWindowBase()
+{
+    wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
+
+    // FIXME if these 2 cases result from programming errors in the user code
+    //       we should probably assert here instead of silently fixing them
+
+    // Just in case the window has been Closed, but we're then deleting
+    // immediately: don't leave dangling pointers.
+    wxPendingDelete.DeleteObject(this);
+
+    // Just in case we've loaded a top-level window via LoadNativeDialog but
+    // we weren't a dialog class
+    wxTopLevelWindows.DeleteObject(this);
+
+    wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
+
+#if wxUSE_CARET
+    if ( m_caret )
+        delete m_caret;
+#endif // wxUSE_CARET
+
+#if wxUSE_VALIDATORS
+    if ( m_windowValidator )
+        delete m_windowValidator;
+#endif // wxUSE_VALIDATORS
+
+#if wxUSE_CONSTRAINTS
+    // Have to delete constraints/sizer FIRST otherwise sizers may try to look
+    // at deleted windows as they delete themselves.
+    DeleteRelatedConstraints();
+
+    if ( m_constraints )
+    {
+        // This removes any dangling pointers to this window in other windows'
+        // constraintsInvolvedIn lists.
+        UnsetConstraints(m_constraints);
+        delete m_constraints;
+        m_constraints = NULL;
+    }
+
+#endif // wxUSE_CONSTRAINTS
+
+    if ( m_containingSizer )
+        m_containingSizer->Remove((wxWindow*)this);
+
+    if ( m_windowSizer )
+        delete m_windowSizer;
+
+#if wxUSE_DRAG_AND_DROP
+    if ( m_dropTarget )
+        delete m_dropTarget;
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_TOOLTIPS
+    if ( m_tooltip )
+        delete m_tooltip;
+#endif // wxUSE_TOOLTIPS
+
+    // reset the dangling pointer our parent window may keep to us
+    if ( m_parent && m_parent->GetDefaultItem() == this )
+    {
+        m_parent->SetDefaultItem(NULL);
+    }
+}
+
+bool wxWindowBase::Destroy()
+{
+    delete this;
+
+    return TRUE;
+}
+
+bool wxWindowBase::Close(bool force)
+{
+    wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
+    event.SetEventObject(this);
+#if WXWIN_COMPATIBILITY
+    event.SetForce(force);
+#endif // WXWIN_COMPATIBILITY
+    event.SetCanVeto(!force);
+
+    // return FALSE if window wasn't closed because the application vetoed the
+    // close event
+    return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
+}
+
+bool wxWindowBase::DestroyChildren()
+{
+    wxWindowList::Node *node;
+    for ( ;; )
+    {
+        // we iterate until the list becomes empty
+        node = GetChildren().GetFirst();
+        if ( !node )
+            break;
+
+        wxWindow *child = node->GetData();
+
+        wxASSERT_MSG( child, wxT("children list contains empty nodes") );
+
+        child->Show(FALSE);
+        delete child;
+
+        wxASSERT_MSG( !GetChildren().Find(child),
+                      wxT("child didn't remove itself using RemoveChild()") );
+    }
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// size/position related methods
+// ----------------------------------------------------------------------------
+
+// centre the window with respect to its parent in either (or both) directions
+void wxWindowBase::Centre(int direction)
+{
+    // the position/size of the parent window or of the entire screen
+    wxPoint posParent;
+    int widthParent, heightParent;
+
+    wxWindow *parent = NULL;
+
+    if ( !(direction & wxCENTRE_ON_SCREEN) )
+    {
+        // find the parent to centre this window on: it should be the
+        // immediate parent for the controls but the top level parent for the
+        // top level windows (like dialogs)
+        parent = GetParent();
+        if ( IsTopLevel() )
+        {
+            while ( parent && !parent->IsTopLevel() )
+            {
+                parent = parent->GetParent();
+            }
+        }
+
+        // did we find the parent?
+        if ( !parent )
+        {
+            // no other choice
+            direction |= wxCENTRE_ON_SCREEN;
+        }
+    }
+
+    if ( direction & wxCENTRE_ON_SCREEN )
+    {
+        // centre with respect to the whole screen
+        wxDisplaySize(&widthParent, &heightParent);
+    }
+    else
+    {
+        if ( IsTopLevel() )
+        {
+            // centre on the parent
+            parent->GetSize(&widthParent, &heightParent);
+
+            // adjust to the parents position
+            posParent = parent->GetPosition();
+        }
+        else
+        {
+            // centre inside the parents client rectangle
+            parent->GetClientSize(&widthParent, &heightParent);
+        }
+    }
+
+    int width, height;
+    GetSize(&width, &height);
+
+    int xNew = -1,
+        yNew = -1;
+
+    if ( direction & wxHORIZONTAL )
+        xNew = (widthParent - width)/2;
+
+    if ( direction & wxVERTICAL )
+        yNew = (heightParent - height)/2;
+
+    xNew += posParent.x;
+    yNew += posParent.y;
+
+    // Base size of the visible dimensions of the display
+    // to take into account the taskbar
+    wxRect rect = wxGetClientDisplayRect();
+    wxSize size (rect.width,rect.height);
+
+    // NB: in wxMSW, negative position may not neccessary mean "out of screen",
+    //     but it may mean that the window is placed on other than the main
+    //     display. Therefore we only make sure centered window is on the main display
+    //     if the parent is at least partially present here.
+    if (posParent.x + widthParent >= 0)  // if parent is (partially) on the main display
+    {
+        if (xNew < 0)
+            xNew = 0;
+        else if (xNew+width > size.x)
+            xNew = size.x-width-1;
+    }
+    if (posParent.y + heightParent >= 0)  // if parent is (partially) on the main display
+    {
+        if (yNew+height > size.y)
+            yNew = size.y-height-1;
+
+        // Make certain that the title bar is initially visible
+        // always, even if this would push the bottom of the
+        // dialog of the visible area of the display
+        if (yNew < 0)
+            yNew = 0;
+    }
+
+    // move the window to this position (keeping the old size but using
+    // SetSize() and not Move() to allow xNew and/or yNew to be -1)
+    SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
+}
+
+// fits the window around the children
+void wxWindowBase::Fit()
+{
+    if ( GetChildren().GetCount() > 0 )
+    {
+        wxSize size = DoGetBestSize();
+
+        // for compatibility with the old versions and because it really looks
+        // slightly more pretty like this, add a pad
+        size.x += 7;
+        size.y += 14;
+
+        SetClientSize(size);
+    }
+    //else: do nothing if we have no children
+}
+
+// return the size best suited for the current window
+wxSize wxWindowBase::DoGetBestSize() const
+{
+    if ( GetChildren().GetCount() > 0 )
+    {
+        // our minimal acceptable size is such that all our windows fit inside
+        int maxX = 0,
+            maxY = 0;
+
+        for ( wxWindowList::Node *node = GetChildren().GetFirst();
+              node;
+              node = node->GetNext() )
+        {
+            wxWindow *win = node->GetData();
+            if ( win->IsTopLevel()
+#if wxUSE_STATUSBAR
+                    || wxDynamicCast(win, wxStatusBar)
+#endif // wxUSE_STATUSBAR
+               )
+            {
+                // dialogs and frames lie in different top level windows -
+                // don't deal with them here; as for the status bars, they
+                // don't lie in the client area at all
+                continue;
+            }
+
+            int wx, wy, ww, wh;
+            win->GetPosition(&wx, &wy);
+
+            // if the window hadn't been positioned yet, assume that it is in
+            // the origin
+            if ( wx == -1 )
+                wx = 0;
+            if ( wy == -1 )
+                wy = 0;
+
+            win->GetSize(&ww, &wh);
+            if ( wx + ww > maxX )
+                maxX = wx + ww;
+            if ( wy + wh > maxY )
+                maxY = wy + wh;
+        }
+
+        return wxSize(maxX, maxY);
+    }
+    else
+    {
+        // for a generic window there is no natural best size - just use the
+        // current one
+        return GetSize();
+    }
+}
+
+// by default the origin is not shifted
+wxPoint wxWindowBase::GetClientAreaOrigin() const
+{
+    return wxPoint(0, 0);
+}
+
+// set the min/max size of the window
+void wxWindowBase::SetSizeHints(int minW, int minH,
+                                int maxW, int maxH,
+                                int WXUNUSED(incW), int WXUNUSED(incH))
+{
+    m_minWidth = minW;
+    m_maxWidth = maxW;
+    m_minHeight = minH;
+    m_maxHeight = maxH;
+}
+
+void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
+                                        int maxW, int maxH )
+{
+    m_minVirtualWidth = minW;
+    m_maxVirtualWidth = maxW;
+    m_minVirtualHeight = minH;
+    m_maxVirtualHeight = maxH;
+
+    SetVirtualSize( GetClientSize() );
+}
+
+void wxWindowBase::DoSetVirtualSize( int x, int y )
+{
+    if( m_minVirtualWidth != -1 && m_minVirtualWidth > x )   x = m_minVirtualWidth;
+    if( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x )   x = m_maxVirtualWidth;
+    if( m_minVirtualHeight != -1 && m_minVirtualHeight > y ) y = m_minVirtualHeight;
+    if( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y ) y = m_maxVirtualHeight;
+
+    m_virtualSize.SetWidth( x );
+    m_virtualSize.SetHeight( y );
+}
+
+wxSize wxWindowBase::DoGetVirtualSize() const
+{
+    wxSize  s( GetClientSize() );
+
+    if( m_virtualSize.GetWidth() != -1 )
+        s.SetWidth( m_virtualSize.GetWidth() );
+    if( m_virtualSize.GetHeight() != -1 )
+        s.SetHeight( m_virtualSize.GetHeight() );
+
+    return s;
+}
+
+// ----------------------------------------------------------------------------
+// show/hide/enable/disable the window
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::Show(bool show)
+{
+    if ( show != m_isShown )
+    {
+        m_isShown = show;
+
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+
+bool wxWindowBase::Enable(bool enable)
+{
+    if ( enable != m_isEnabled )
+    {
+        m_isEnabled = enable;
+
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+// ----------------------------------------------------------------------------
+// RTTI
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::IsTopLevel() const
+{
+    return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// reparenting the window
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::AddChild(wxWindowBase *child)
+{
+    wxCHECK_RET( child, wxT("can't add a NULL child") );
+
+    // this should never happen and it will lead to a crash later if it does
+    // because RemoveChild() will remove only one node from the children list
+    // and the other(s) one(s) will be left with dangling pointers in them
+    wxASSERT_MSG( !GetChildren().Find(child), _T("AddChild() called twice") );
+
+    GetChildren().Append(child);
+    child->SetParent(this);
+}
+
+void wxWindowBase::RemoveChild(wxWindowBase *child)
+{
+    wxCHECK_RET( child, wxT("can't remove a NULL child") );
+
+    GetChildren().DeleteObject(child);
+    child->SetParent((wxWindow *)NULL);
+}
+
+bool wxWindowBase::Reparent(wxWindowBase *newParent)
+{
+    wxWindow *oldParent = GetParent();
+    if ( newParent == oldParent )
+    {
+        // nothing done
+        return FALSE;
+    }
+
+    // unlink this window from the existing parent.
+    if ( oldParent )
+    {
+        oldParent->RemoveChild(this);
+    }
+    else
+    {
+        wxTopLevelWindows.DeleteObject(this);
+    }
+
+    // add it to the new one
+    if ( newParent )
+    {
+        newParent->AddChild(this);
+    }
+    else
+    {
+        wxTopLevelWindows.Append(this);
+    }
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// event handler stuff
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
+{
+    handler->SetNextHandler(GetEventHandler());
+    SetEventHandler(handler);
+}
+
+wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
+{
+    wxEvtHandler *handlerA = GetEventHandler();
+    if ( handlerA )
+    {
+        wxEvtHandler *handlerB = handlerA->GetNextHandler();
+        handlerA->SetNextHandler((wxEvtHandler *)NULL);
+        SetEventHandler(handlerB);
+        if ( deleteHandler )
+        {
+            delete handlerA;
+            handlerA = (wxEvtHandler *)NULL;
+        }
+    }
+
+    return handlerA;
+}
+
+bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
+{
+    wxCHECK_MSG( handler, FALSE, _T("RemoveEventHandler(NULL) called") );
+
+    wxEvtHandler *handlerPrev = NULL,
+                 *handlerCur = GetEventHandler();
+    while ( handlerCur )
+    {
+        wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
+
+        if ( handlerCur == handler )
+        {
+            if ( handlerPrev )
+            {
+                handlerPrev->SetNextHandler(handlerNext);
+            }
+            else
+            {
+                SetEventHandler(handlerNext);
+            }
+
+            handler->SetNextHandler(NULL);
+
+            return TRUE;
+        }
+
+        handlerPrev = handlerCur;
+        handlerCur = handlerNext;
+    }
+
+    wxFAIL_MSG( _T("where has the event handler gone?") );
+
+    return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// cursors, fonts &c
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+{
+    if ( !colour.Ok() || (colour == m_backgroundColour) )
+        return FALSE;
+
+    m_backgroundColour = colour;
+
+    m_hasBgCol = TRUE;
+
+    return TRUE;
+}
+
+bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+{
+    if ( !colour.Ok() || (colour == m_foregroundColour) )
+        return FALSE;
+
+    m_foregroundColour = colour;
+
+    m_hasFgCol = TRUE;
+
+    return TRUE;
+}
+
+bool wxWindowBase::SetCursor(const wxCursor& cursor)
+{
+    // setting an invalid cursor is ok, it means that we don't have any special
+    // cursor
+    if ( m_cursor == cursor )
+    {
+        // no change
+        return FALSE;
+    }
+
+    m_cursor = cursor;
+
+    return TRUE;
+}
+
+bool wxWindowBase::SetFont(const wxFont& font)
+{
+    // don't try to set invalid font, always fall back to the default
+    const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT;
+
+    if ( fontOk == m_font )
+    {
+        // no change
+        return FALSE;
+    }
+
+    m_font = fontOk;
+
+    m_hasFont = TRUE;
+
+    return TRUE;
+}
+
+#if wxUSE_PALETTE
+
+void wxWindowBase::SetPalette(const wxPalette& pal)
+{
+    m_hasCustomPalette = TRUE;
+    m_palette = pal;
+
+    // VZ: can anyone explain me what do we do here?
+    wxWindowDC d((wxWindow *) this);
+    d.SetPalette(pal);
+}
+
+wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
+{
+    wxWindow *win = (wxWindow *)this;
+    while ( win && !win->HasCustomPalette() )
+    {
+        win = win->GetParent();
+    }
+
+    return win;
+}
+
+#endif // wxUSE_PALETTE
+
+#if wxUSE_CARET
+void wxWindowBase::SetCaret(wxCaret *caret)
+{
+    if ( m_caret )
+    {
+        delete m_caret;
+    }
+
+    m_caret = caret;
+
+    if ( m_caret )
+    {
+        wxASSERT_MSG( m_caret->GetWindow() == this,
+                      wxT("caret should be created associated to this window") );
+    }
+}
+#endif // wxUSE_CARET
+
+#if wxUSE_VALIDATORS
+// ----------------------------------------------------------------------------
+// validators
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::SetValidator(const wxValidator& validator)
+{
+    if ( m_windowValidator )
+        delete m_windowValidator;
+
+    m_windowValidator = (wxValidator *)validator.Clone();
+
+    if ( m_windowValidator )
+        m_windowValidator->SetWindow(this) ;
+}
+#endif // wxUSE_VALIDATORS
+
+// ----------------------------------------------------------------------------
+// update region stuff
+// ----------------------------------------------------------------------------
+
+wxRect wxWindowBase::GetUpdateClientRect() const
+{
+    wxRegion rgnUpdate = GetUpdateRegion();
+    rgnUpdate.Intersect(GetClientRect());
+    wxRect rectUpdate = rgnUpdate.GetBox();
+    wxPoint ptOrigin = GetClientAreaOrigin();
+    rectUpdate.x -= ptOrigin.x;
+    rectUpdate.y -= ptOrigin.y;
+
+    return rectUpdate;
+}
+
+bool wxWindowBase::IsExposed(int x, int y) const
+{
+    return m_updateRegion.Contains(x, y) != wxOutRegion;
+}
+
+bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
+{
+    return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
+}
+
+// ----------------------------------------------------------------------------
+// find window by id or name
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::FindWindow( long id )
+{
+    if ( id == m_windowId )
+        return (wxWindow *)this;
+
+    wxWindowBase *res = (wxWindow *)NULL;
+    wxWindowList::Node *node;
+    for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
+    {
+        wxWindowBase *child = node->GetData();
+        res = child->FindWindow( id );
+    }
+
+    return (wxWindow *)res;
+}
+
+wxWindow *wxWindowBase::FindWindow( const wxString& name )
+{
+    if ( name == m_windowName )
+        return (wxWindow *)this;
+
+    wxWindowBase *res = (wxWindow *)NULL;
+    wxWindowList::Node *node;
+    for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
+    {
+        wxWindow *child = node->GetData();
+        res = child->FindWindow(name);
+    }
+
+    return (wxWindow *)res;
+}
+
+// ----------------------------------------------------------------------------
+// dialog oriented functions
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::MakeModal(bool modal)
+{
+    // Disable all other windows
+    if ( IsTopLevel() )
+    {
+        wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
+        while (node)
+        {
+            wxWindow *win = node->GetData();
+            if (win != this)
+                win->Enable(!modal);
+
+            node = node->GetNext();
+        }
+    }
+}
+
+bool wxWindowBase::Validate()
+{
+#if wxUSE_VALIDATORS
+    bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
+
+    wxWindowList::Node *node;
+    for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+    {
+        wxWindowBase *child = node->GetData();
+        wxValidator *validator = child->GetValidator();
+        if ( validator && !validator->Validate((wxWindow *)this) )
+        {
+            return FALSE;
+        }
+
+        if ( recurse && !child->Validate() )
+        {
+            return FALSE;
+        }
+    }
+#endif // wxUSE_VALIDATORS
+
+    return TRUE;
+}
+
+bool wxWindowBase::TransferDataToWindow()
+{
+#if wxUSE_VALIDATORS
+    bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
+
+    wxWindowList::Node *node;
+    for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+    {
+        wxWindowBase *child = node->GetData();
+        wxValidator *validator = child->GetValidator();
+        if ( validator && !validator->TransferToWindow() )
+        {
+            wxLogWarning(_("Could not transfer data to window"));
+            wxLog::FlushActive();
+
+            return FALSE;
+        }
+
+        if ( recurse )
+        {
+            if ( !child->TransferDataToWindow() )
+            {
+                // warning already given
+                return FALSE;
+            }
+        }
+    }
+#endif // wxUSE_VALIDATORS
+
+    return TRUE;
+}
+
+bool wxWindowBase::TransferDataFromWindow()
+{
+#if wxUSE_VALIDATORS
+    bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
+
+    wxWindowList::Node *node;
+    for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+    {
+        wxWindow *child = node->GetData();
+        wxValidator *validator = child->GetValidator();
+        if ( validator && !validator->TransferFromWindow() )
+        {
+            // nop warning here because the application is supposed to give
+            // one itself - we don't know here what might have gone wrongly
+
+            return FALSE;
+        }
+
+        if ( recurse )
+        {
+            if ( !child->TransferDataFromWindow() )
+            {
+                // warning already given
+                return FALSE;
+            }
+        }
+    }
+#endif // wxUSE_VALIDATORS
+
+    return TRUE;
+}
+
+void wxWindowBase::InitDialog()
+{
+    wxInitDialogEvent event(GetId());
+    event.SetEventObject( this );
+    GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// context-sensitive help support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_HELP
+
+// associate this help text with this window
+void wxWindowBase::SetHelpText(const wxString& text)
+{
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        helpProvider->AddHelp(this, text);
+    }
+}
+
+// associate this help text with all windows with the same id as this
+// one
+void wxWindowBase::SetHelpTextForId(const wxString& text)
+{
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        helpProvider->AddHelp(GetId(), text);
+    }
+}
+
+// get the help string associated with this window (may be empty)
+wxString wxWindowBase::GetHelpText() const
+{
+    wxString text;
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        text = helpProvider->GetHelp(this);
+    }
+
+    return text;
+}
+
+// show help for this window
+void wxWindowBase::OnHelp(wxHelpEvent& event)
+{
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+    {
+        if ( helpProvider->ShowHelp(this) )
+        {
+            // skip the event.Skip() below
+            return;
+        }
+    }
+
+    event.Skip();
+}
+
+#endif // wxUSE_HELP
+
+// ----------------------------------------------------------------------------
+// tooltipsroot.Replace("\\", "/");
+// ----------------------------------------------------------------------------
+
+#if wxUSE_TOOLTIPS
+
+void wxWindowBase::SetToolTip( const wxString &tip )
+{
+    // don't create the new tooltip if we already have one
+    if ( m_tooltip )
+    {
+        m_tooltip->SetTip( tip );
+    }
+    else
+    {
+        SetToolTip( new wxToolTip( tip ) );
+    }
+
+    // setting empty tooltip text does not remove the tooltip any more - use
+    // SetToolTip((wxToolTip *)NULL) for this
+}
+
+void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
+{
+    if ( m_tooltip )
+        delete m_tooltip;
+
+    m_tooltip = tooltip;
+}
+
+#endif // wxUSE_TOOLTIPS
+
+// ----------------------------------------------------------------------------
+// constraints and sizers
+// ----------------------------------------------------------------------------
+
+#if wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
+{
+    if ( m_constraints )
+    {
+        UnsetConstraints(m_constraints);
+        delete m_constraints;
+    }
+    m_constraints = constraints;
+    if ( m_constraints )
+    {
+        // Make sure other windows know they're part of a 'meaningful relationship'
+        if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
+            m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
+        if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
+            m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
+        if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
+            m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
+        if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
+            m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
+        if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
+            m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
+        if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
+            m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
+        if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
+            m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
+        if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
+            m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
+    }
+}
+
+// This removes any dangling pointers to this window in other windows'
+// constraintsInvolvedIn lists.
+void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
+{
+    if ( c )
+    {
+        if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
+            c->left.GetOtherWindow()->RemoveConstraintReference(this);
+        if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
+            c->top.GetOtherWindow()->RemoveConstraintReference(this);
+        if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
+            c->right.GetOtherWindow()->RemoveConstraintReference(this);
+        if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
+            c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
+        if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
+            c->width.GetOtherWindow()->RemoveConstraintReference(this);
+        if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
+            c->height.GetOtherWindow()->RemoveConstraintReference(this);
+        if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
+            c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
+        if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
+            c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
+    }
+}
+
+// Back-pointer to other windows we're involved with, so if we delete this
+// window, we must delete any constraints we're involved with.
+void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
+{
+    if ( !m_constraintsInvolvedIn )
+        m_constraintsInvolvedIn = new wxWindowList;
+    if ( !m_constraintsInvolvedIn->Find(otherWin) )
+        m_constraintsInvolvedIn->Append(otherWin);
+}
+
+// REMOVE back-pointer to other windows we're involved with.
+void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
+{
+    if ( m_constraintsInvolvedIn )
+        m_constraintsInvolvedIn->DeleteObject(otherWin);
+}
+
+// Reset any constraints that mention this window
+void wxWindowBase::DeleteRelatedConstraints()
+{
+    if ( m_constraintsInvolvedIn )
+    {
+        wxWindowList::Node *node = m_constraintsInvolvedIn->GetFirst();
+        while (node)
+        {
+            wxWindow *win = node->GetData();
+            wxLayoutConstraints *constr = win->GetConstraints();
+
+            // Reset any constraints involving this window
+            if ( constr )
+            {
+                constr->left.ResetIfWin(this);
+                constr->top.ResetIfWin(this);
+                constr->right.ResetIfWin(this);
+                constr->bottom.ResetIfWin(this);
+                constr->width.ResetIfWin(this);
+                constr->height.ResetIfWin(this);
+                constr->centreX.ResetIfWin(this);
+                constr->centreY.ResetIfWin(this);
+            }
+
+            wxWindowList::Node *next = node->GetNext();
+            delete node;
+            node = next;
+        }
+
+        delete m_constraintsInvolvedIn;
+        m_constraintsInvolvedIn = (wxWindowList *) NULL;
+    }
+}
+#endif
+
+void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
+{
+    if (m_windowSizer && deleteOld) delete m_windowSizer;
+
+    m_windowSizer = sizer;
+
+    SetAutoLayout( sizer != 0 );
+}
+
+void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
+{
+    SetSizer( sizer, deleteOld );
+    sizer->SetSizeHints( (wxWindow*) this );
+}
+
+bool wxWindowBase::Layout()
+{
+    // If there is a sizer, use it instead of the constraints
+    if ( GetSizer() )
+    {
+        int w, h;
+        GetVirtualSize(&w, &h);
+        GetSizer()->SetDimension( 0, 0, w, h );
+    }
+#if wxUSE_CONSTRAINTS
+    else
+    {
+        wxLayoutConstraints *constr = GetConstraints();
+        bool wasOk = constr && constr->AreSatisfied();
+
+        ResetConstraints();   // Mark all constraints as unevaluated
+
+        // if we're a top level panel (i.e. our parent is frame/dialog), our
+        // own constraints will never be satisfied any more unless we do it
+        // here
+        if ( wasOk )
+        {
+            int noChanges = 1;
+            while ( noChanges > 0 )
+            {
+                constr->SatisfyConstraints(this, &noChanges);
+            }
+        }
+
+        DoPhase(1);           // Layout children
+        DoPhase(2);           // Layout grand children
+        SetConstraintSizes(); // Recursively set the real window sizes
+    }
+#endif
+
+    return TRUE;
+}
+
+#if wxUSE_CONSTRAINTS
+// Do a phase of evaluating constraints: the default behaviour. wxSizers may
+// do a similar thing, but also impose their own 'constraints' and order the
+// evaluation differently.
+bool wxWindowBase::LayoutPhase1(int *noChanges)
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr )
+    {
+        return constr->SatisfyConstraints(this, noChanges);
+    }
+    else
+        return TRUE;
+}
+
+bool wxWindowBase::LayoutPhase2(int *noChanges)
+{
+    *noChanges = 0;
+
+    // Layout children
+    DoPhase(1);
+    DoPhase(2);
+    return TRUE;
+}
+
+// Do a phase of evaluating child constraints
+bool wxWindowBase::DoPhase(int phase)
+{
+    int noIterations = 0;
+    int maxIterations = 500;
+    int noChanges = 1;
+    int noFailures = 0;
+    wxWindowList succeeded;
+    while ((noChanges > 0) && (noIterations < maxIterations))
+    {
+        noChanges = 0;
+        noFailures = 0;
+        wxWindowList::Node *node = GetChildren().GetFirst();
+        while (node)
+        {
+            wxWindow *child = node->GetData();
+            if ( !child->IsTopLevel() )
+            {
+                wxLayoutConstraints *constr = child->GetConstraints();
+                if ( constr )
+                {
+                    if ( !succeeded.Find(child) )
+                    {
+                        int tempNoChanges = 0;
+                        bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ;
+                        noChanges += tempNoChanges;
+                        if ( success )
+                        {
+                            succeeded.Append(child);
+                        }
+                    }
+                }
+            }
+            node = node->GetNext();
+        }
+
+        noIterations++;
+    }
+
+    return TRUE;
+}
+
+void wxWindowBase::ResetConstraints()
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr )
+    {
+        constr->left.SetDone(FALSE);
+        constr->top.SetDone(FALSE);
+        constr->right.SetDone(FALSE);
+        constr->bottom.SetDone(FALSE);
+        constr->width.SetDone(FALSE);
+        constr->height.SetDone(FALSE);
+        constr->centreX.SetDone(FALSE);
+        constr->centreY.SetDone(FALSE);
+    }
+
+    wxWindowList::Node *node = GetChildren().GetFirst();
+    while (node)
+    {
+        wxWindow *win = node->GetData();
+        if ( !win->IsTopLevel() )
+            win->ResetConstraints();
+        node = node->GetNext();
+    }
+}
+
+// Need to distinguish between setting the 'fake' size for windows and sizers,
+// and setting the real values.
+void wxWindowBase::SetConstraintSizes(bool recurse)
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr && constr->AreSatisfied() )
+    {
+        int x = constr->left.GetValue();
+        int y = constr->top.GetValue();
+        int w = constr->width.GetValue();
+        int h = constr->height.GetValue();
+
+        if ( (constr->width.GetRelationship() != wxAsIs ) ||
+             (constr->height.GetRelationship() != wxAsIs) )
+        {
+            SetSize(x, y, w, h);
+        }
+        else
+        {
+            // If we don't want to resize this window, just move it...
+            Move(x, y);
+        }
+    }
+    else if ( constr )
+    {
+        wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
+                   GetClassInfo()->GetClassName(),
+                   GetName().c_str());
+    }
+
+    if ( recurse )
+    {
+        wxWindowList::Node *node = GetChildren().GetFirst();
+        while (node)
+        {
+            wxWindow *win = node->GetData();
+            if ( !win->IsTopLevel() && win->GetConstraints() )
+                win->SetConstraintSizes();
+            node = node->GetNext();
+        }
+    }
+}
+
+// Only set the size/position of the constraint (if any)
+void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr )
+    {
+        if ( x != -1 )
+        {
+            constr->left.SetValue(x);
+            constr->left.SetDone(TRUE);
+        }
+        if ( y != -1 )
+        {
+            constr->top.SetValue(y);
+            constr->top.SetDone(TRUE);
+        }
+        if ( w != -1 )
+        {
+            constr->width.SetValue(w);
+            constr->width.SetDone(TRUE);
+        }
+        if ( h != -1 )
+        {
+            constr->height.SetValue(h);
+            constr->height.SetDone(TRUE);
+        }
+    }
+}
+
+void wxWindowBase::MoveConstraint(int x, int y)
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr )
+    {
+        if ( x != -1 )
+        {
+            constr->left.SetValue(x);
+            constr->left.SetDone(TRUE);
+        }
+        if ( y != -1 )
+        {
+            constr->top.SetValue(y);
+            constr->top.SetDone(TRUE);
+        }
+    }
+}
+
+void wxWindowBase::GetSizeConstraint(int *w, int *h) const
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr )
+    {
+        *w = constr->width.GetValue();
+        *h = constr->height.GetValue();
+    }
+    else
+        GetSize(w, h);
+}
+
+void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr )
+    {
+        *w = constr->width.GetValue();
+        *h = constr->height.GetValue();
+    }
+    else
+        GetClientSize(w, h);
+}
+
+void wxWindowBase::GetPositionConstraint(int *x, int *y) const
+{
+    wxLayoutConstraints *constr = GetConstraints();
+    if ( constr )
+    {
+        *x = constr->left.GetValue();
+        *y = constr->top.GetValue();
+    }
+    else
+        GetPosition(x, y);
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
+{
+    // don't do it for the dialogs/frames - they float independently of their
+    // parent
+    if ( !IsTopLevel() )
+    {
+        wxWindow *parent = GetParent();
+        if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
+        {
+            wxPoint pt(parent->GetClientAreaOrigin());
+            x += pt.x;
+            y += pt.y;
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+// do Update UI processing for child controls
+// ----------------------------------------------------------------------------
 
 // TODO: should this be implemented for the child window rather
 // than the parent? Then you can override it e.g. for wxCheckBox
 // to do the Right Thing rather than having to assume a fixed number
 // of control classes.
-#include "wx/checkbox.h"
-#include "wx/radiobut.h"
-
-void wxWindow::UpdateWindowUI()
+void wxWindowBase::UpdateWindowUI()
 {
-  wxWindowID id = GetId();
-  if (id > 0)
-  {
-    wxUpdateUIEvent event(id);
+#if wxUSE_CONTROLS
+    wxUpdateUIEvent event(GetId());
     event.m_eventObject = this;
 
-    if (this->GetEventHandler()->ProcessEvent(event))
-    {
-      if (event.GetSetEnabled())
-        this->Enable(event.GetEnabled());
-
-      if (event.GetSetText() && this->IsKindOf(CLASSINFO(wxControl)))
-        ((wxControl*)this)->SetLabel(event.GetText());
-
-      if (this->IsKindOf(CLASSINFO(wxCheckBox)))
-      {
-        if (event.GetSetChecked())
-          ((wxCheckBox *) this)->SetValue(event.GetChecked());
-      }
-      // @@@ No radio buttons in wxGTK yet
-#ifndef __WXGTK__
-      else if (this->IsKindOf(CLASSINFO(wxRadioButton)))
-      {
-        if (event.GetSetChecked())
-          ((wxRadioButton *) this)->SetValue(event.GetChecked());
-      }
+    if ( GetEventHandler()->ProcessEvent(event) )
+    {
+        if ( event.GetSetEnabled() )
+            Enable(event.GetEnabled());
+
+        if ( event.GetSetText() )
+        {
+            wxControl *control = wxDynamicCastThis(wxControl);
+            if ( control )
+            {
+#if wxUSE_TEXTCTRL
+                wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl);
+                if ( text )
+                    text->SetValue(event.GetText());
+                else
+#endif // wxUSE_TEXTCTRL
+                    control->SetLabel(event.GetText());
+            }
+        }
+
+#if wxUSE_CHECKBOX
+        wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
+        if ( checkbox )
+        {
+            if ( event.GetSetChecked() )
+                checkbox->SetValue(event.GetChecked());
+        }
+#endif // wxUSE_CHECKBOX
+
+#if wxUSE_RADIOBTN
+        wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
+        if ( radiobtn )
+        {
+            if ( event.GetSetChecked() )
+                radiobtn->SetValue(event.GetChecked());
+        }
+#endif // wxUSE_RADIOBTN
+    }
+#endif // wxUSE_CONTROLS
+}
+
+// ----------------------------------------------------------------------------
+// dialog units translations
+// ----------------------------------------------------------------------------
+
+wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
+{
+    int charWidth = GetCharWidth();
+    int charHeight = GetCharHeight();
+    wxPoint pt2(-1, -1);
+    if (pt.x != -1)
+        pt2.x = (int) ((pt.x * 4) / charWidth) ;
+    if (pt.y != -1)
+        pt2.y = (int) ((pt.y * 8) / charHeight) ;
+
+    return pt2;
+}
+
+wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
+{
+    int charWidth = GetCharWidth();
+    int charHeight = GetCharHeight();
+    wxPoint pt2(-1, -1);
+    if (pt.x != -1)
+        pt2.x = (int) ((pt.x * charWidth) / 4) ;
+    if (pt.y != -1)
+        pt2.y = (int) ((pt.y * charHeight) / 8) ;
+
+    return pt2;
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+// propagate the colour change event to the subwindows
+void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
+{
+    wxWindowList::Node *node = GetChildren().GetFirst();
+    while ( node )
+    {
+        // Only propagate to non-top-level windows
+        wxWindow *win = node->GetData();
+        if ( !win->IsTopLevel() )
+        {
+            wxSysColourChangedEvent event2;
+            event.m_eventObject = win;
+            win->GetEventHandler()->ProcessEvent(event2);
+        }
+
+        node = node->GetNext();
+    }
+}
+
+// the default action is to populate dialog with data when it's created
+void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
+{
+    TransferDataToWindow();
+}
+
+// process Ctrl-Alt-mclick
+void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
+{
+#if wxUSE_MSGDLG
+    if ( event.ControlDown() && event.AltDown() )
+    {
+        // don't translate these strings
+        wxString port;
+
+#ifdef __WXUNIVERSAL__
+        port = _T("Univ/");
+#endif // __WXUNIVERSAL__
+
+        switch ( wxGetOsVersion() )
+        {
+            case wxMOTIF_X:     port = _T("Motif"); break;
+            case wxMAC:
+            case wxMAC_DARWIN:  port = _T("Mac"); break;
+            case wxBEOS:        port = _T("BeOS"); break;
+            case wxGTK:
+            case wxGTK_WIN32:
+            case wxGTK_OS2:
+            case wxGTK_BEOS:    port = _T("GTK"); break;
+            case wxWINDOWS:
+            case wxPENWINDOWS:
+            case wxWINDOWS_NT:
+            case wxWIN32S:
+            case wxWIN95:
+            case wxWIN386:      port = _T("MS Windows"); break;
+            case wxMGL_UNIX:
+            case wxMGL_X:
+            case wxMGL_WIN32:
+            case wxMGL_OS2:     port = _T("MGL"); break;
+            case wxWINDOWS_OS2:
+            case wxOS2_PM:      port = _T("OS/2"); break;
+            default:            port = _T("unknown"); break;
+        }
+
+        wxMessageBox(wxString::Format(
+                                      _T(
+                                        "       wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n   Copyright (c) 1995-2002 wxWindows team"
+                                        ),
+                                      port.c_str(),
+                                      wxMAJOR_VERSION,
+                                      wxMINOR_VERSION,
+                                      wxRELEASE_NUMBER,
+#if wxUSE_UNICODE
+                                      L" (Unicode)",
+#else
+                                      "",
 #endif
+                                      __TDATE__,
+                                      __TTIME__
+                                     ),
+                     _T("wxWindows information"),
+                     wxICON_INFORMATION | wxOK,
+                     (wxWindow *)this);
+    }
+    else
+#endif // wxUSE_MSGDLG
+    {
+        event.Skip();
+    }
+}
+
+// ----------------------------------------------------------------------------
+// list classes implementation
+// ----------------------------------------------------------------------------
+
+void wxWindowListNode::DeleteData()
+{
+    delete (wxWindow *)GetData();
+}
+
+// ----------------------------------------------------------------------------
+// borders
+// ----------------------------------------------------------------------------
+
+wxBorder wxWindowBase::GetBorder() const
+{
+    wxBorder border = (wxBorder)(m_windowStyle & wxBORDER_MASK);
+    if ( border == wxBORDER_DEFAULT )
+    {
+        border = GetDefaultBorder();
+    }
+
+    return border;
+}
+
+wxBorder wxWindowBase::GetDefaultBorder() const
+{
+    return wxBORDER_NONE;
+}
+
+// ----------------------------------------------------------------------------
+// hit testing
+// ----------------------------------------------------------------------------
+
+wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
+{
+    // here we just check if the point is inside the window or not
+
+    // check the top and left border first
+    bool outside = x < 0 || y < 0;
+    if ( !outside )
+    {
+        // check the right and bottom borders too
+        wxSize size = GetSize();
+        outside = x >= size.x || y >= size.y;
+    }
+
+    return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
+}
+
+// ----------------------------------------------------------------------------
+// mouse capture
+// ----------------------------------------------------------------------------
+
+struct WXDLLEXPORT wxWindowNext
+{
+    wxWindow *win;
+    wxWindowNext *next;
+} *wxWindowBase::ms_winCaptureNext = NULL;
+
+void wxWindowBase::CaptureMouse()
+{
+    wxLogTrace(_T("mousecapture"), _T("CaptureMouse(0x%08x)"), this);
+
+    wxWindow *winOld = GetCapture();
+    if ( winOld )
+    {
+        ((wxWindowBase*) winOld)->DoReleaseMouse();
+       
+        // save it on stack
+        wxWindowNext *item = new wxWindowNext;
+        item->win = winOld;
+        item->next = ms_winCaptureNext;
+        ms_winCaptureNext = item;
     }
-  }
+    //else: no mouse capture to save
+
+    DoCaptureMouse();
+}
+
+void wxWindowBase::ReleaseMouse()
+{
+    wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(0x%08x)"), this);
+
+    wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") )
+
+    DoReleaseMouse();
+
+    if ( ms_winCaptureNext )
+    {
+        ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
+       
+        wxWindowNext *item = ms_winCaptureNext;
+        ms_winCaptureNext = item->next;
+        delete item;
+    }
+    //else: stack is empty, no previous capture
+
+    wxLogTrace(_T("mousecapture"),
+               _T("After ReleaseMouse() mouse is captured by 0x%08x"),
+               GetCapture());
+}
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+wxWindow* wxGetTopLevelParent(wxWindow *win)
+{
+    while ( win && !win->IsTopLevel() )
+         win = win->GetParent();
+
+    return win;
 }
+