X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6eabf58cec014c6f85348b8d1ad26c0814123968..9ca7505f1243ed1d2a2012caa09a52d41115c069:/src/common/wincmn.cpp?ds=sidebyside

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index d553b83ec3..74b2b50b6c 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     13/07/98
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -47,6 +47,10 @@
     #include "wx/dcclient.h"
 #endif //WX_PRECOMP
 
+#if defined(__WXMAC__) && wxUSE_SCROLLBAR
+    #include "wx/scrolbar.h"
+#endif
+
 #if wxUSE_CONSTRAINTS
     #include "wx/layout.h"
 #endif // wxUSE_CONSTRAINTS
@@ -73,6 +77,10 @@
     #include "wx/caret.h"
 #endif // wxUSE_CARET
 
+#if wxUSE_SYSTEM_OPTIONS
+    #include "wx/sysopt.h"
+#endif
+
 // ----------------------------------------------------------------------------
 // static data
 // ----------------------------------------------------------------------------
@@ -95,7 +103,7 @@ BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
     EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
 
 #if wxUSE_HELP
-    EVT_HELP(-1, wxWindowBase::OnHelp)
+    EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
 #endif // wxUSE_HELP
 
 END_EVENT_TABLE()
@@ -109,21 +117,24 @@ END_EVENT_TABLE()
 // ----------------------------------------------------------------------------
 
 // the default initialization
-void wxWindowBase::InitBase()
+wxWindowBase::wxWindowBase()
 {
     // no window yet, no parent nor children
     m_parent = (wxWindow *)NULL;
-    m_windowId = -1;
+    m_windowId = wxID_ANY;
 
     // no constraints on the minimal window size
     m_minWidth =
+    m_maxWidth = wxDefaultCoord;
     m_minHeight =
-    m_maxWidth =
-    m_maxHeight = -1;
+    m_maxHeight = wxDefaultCoord;
+
+    // invalidiated cache value
+    m_bestSizeCache = wxDefaultSize;
 
-    // window is created enabled but it's not visible yet
-    m_isShown = FALSE;
-    m_isEnabled = TRUE;
+    // window are created enabled and visible by default
+    m_isShown =
+    m_isEnabled = true;
 
     // the default event handler is just this window
     m_eventHandler = this;
@@ -133,28 +144,21 @@ void wxWindowBase::InitBase()
     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
+    // the colours/fonts are default for now, so leave m_font,
+    // m_backgroundColour and m_foregroundColour uninitialized and set those
     m_hasBgCol =
     m_hasFgCol =
-    m_hasFont = FALSE;
-    
-    m_isBeingDeleted = FALSE;
+    m_hasFont = false;
+    m_inheritBgCol =
+    m_inheritFgCol =
+    m_inheritFont = false;
 
     // no style bits
     m_exStyle =
     m_windowStyle = 0;
 
+    m_backgroundStyle = wxBG_STYLE_SYSTEM;
+
 #if wxUSE_CONSTRAINTS
     // no constraints whatsoever
     m_constraints = (wxLayoutConstraints *) NULL;
@@ -163,7 +167,7 @@ void wxWindowBase::InitBase()
 
     m_windowSizer = (wxSizer *) NULL;
     m_containingSizer = (wxSizer *) NULL;
-    m_autoLayout = FALSE;
+    m_autoLayout = false;
 
 #if wxUSE_DRAG_AND_DROP
     m_dropTarget = (wxDropTarget *)NULL;
@@ -178,7 +182,7 @@ void wxWindowBase::InitBase()
 #endif // wxUSE_CARET
 
 #if wxUSE_PALETTE
-    m_hasCustomPalette = FALSE;
+    m_hasCustomPalette = false;
 #endif // wxUSE_PALETTE
 
 #if wxUSE_ACCESSIBILITY
@@ -188,12 +192,23 @@ void wxWindowBase::InitBase()
     m_virtualSize = wxDefaultSize;
 
     m_minVirtualWidth =
+    m_maxVirtualWidth = wxDefaultCoord;
     m_minVirtualHeight =
-    m_maxVirtualWidth =
-    m_maxVirtualHeight = -1;
+    m_maxVirtualHeight = wxDefaultCoord;
+
+    m_windowVariant = wxWINDOW_VARIANT_NORMAL;
+#if wxUSE_SYSTEM_OPTIONS
+    if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
+    {
+       m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
+    }
+#endif
 
     // Whether we're using the current theme for this window (wxGTK only for now)
-    m_themeEnabled = FALSE;
+    m_themeEnabled = false;
+
+    // VZ: this one shouldn't exist...
+    m_isBeingDeleted = false;
 }
 
 // common part of window creation process
@@ -202,7 +217,7 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
                               const wxPoint& WXUNUSED(pos),
                               const wxSize& WXUNUSED(size),
                               long style,
-                              const wxValidator& validator,
+                              const wxValidator& wxVALIDATOR_PARAM(validator),
                               const wxString& name)
 {
 #if wxUSE_STATBOX
@@ -218,7 +233,7 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
 
     // ids are limited to 16 bits under MSW so if you care about portability,
     // it's not a good idea to use ids out of this range (and negative ids are
-    // reserved for wxWindows own usage)
+    // reserved for wxWidgets own usage)
     wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
                   _T("invalid id value") );
 
@@ -241,7 +256,7 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
         SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
     }
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -266,14 +281,23 @@ wxWindowBase::~wxWindowBase()
 
     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 
+    // reset the dangling pointer our parent window may keep to us
+    if ( m_parent )
+    {
+        if ( m_parent->GetDefaultItem() == this )
+        {
+            m_parent->SetDefaultItem(NULL);
+        }
+
+        m_parent->RemoveChild(this);
+    }
+
 #if wxUSE_CARET
-    if ( m_caret )
-        delete m_caret;
+    delete m_caret;
 #endif // wxUSE_CARET
 
 #if wxUSE_VALIDATORS
-    if ( m_windowValidator )
-        delete m_windowValidator;
+    delete m_windowValidator;
 #endif // wxUSE_VALIDATORS
 
 #if wxUSE_CONSTRAINTS
@@ -289,54 +313,40 @@ wxWindowBase::~wxWindowBase()
         delete m_constraints;
         m_constraints = NULL;
     }
-
 #endif // wxUSE_CONSTRAINTS
 
     if ( m_containingSizer )
         m_containingSizer->Detach( (wxWindow*)this );
 
-    if ( m_windowSizer )
-        delete m_windowSizer;
+    delete m_windowSizer;
 
 #if wxUSE_DRAG_AND_DROP
-    if ( m_dropTarget )
-        delete m_dropTarget;
+    delete m_dropTarget;
 #endif // wxUSE_DRAG_AND_DROP
 
 #if wxUSE_TOOLTIPS
-    if ( m_tooltip )
-        delete m_tooltip;
+    delete m_tooltip;
 #endif // wxUSE_TOOLTIPS
 
 #if wxUSE_ACCESSIBILITY
-    if ( m_accessible )
-        delete m_accessible;
+    delete m_accessible;
 #endif
-
-    // 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;
+    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
+    // return false if window wasn't closed because the application vetoed the
     // close event
     return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
 }
@@ -353,16 +363,17 @@ bool wxWindowBase::DestroyChildren()
 
         wxWindow *child = node->GetData();
 
-        wxASSERT_MSG( child, wxT("children list contains empty nodes") );
-
-        child->Show(FALSE);
+        // note that we really want to call delete and not ->Destroy() here
+        // because we want to delete the child immediately, before we are
+        // deleted, and delayed deletion would result in problems as our (top
+        // level) child could outlive its parent
         delete child;
 
         wxASSERT_MSG( !GetChildren().Find(child),
                       wxT("child didn't remove itself using RemoveChild()") );
     }
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -439,8 +450,8 @@ void wxWindowBase::Centre(int direction)
     int width, height;
     GetSize(&width, &height);
 
-    int xNew = -1,
-        yNew = -1;
+    int xNew = wxDefaultCoord,
+        yNew = wxDefaultCoord;
 
     if ( direction & wxHORIZONTAL )
         xNew = (widthParent - width)/2;
@@ -452,9 +463,8 @@ void wxWindowBase::Centre(int direction)
     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);
+    // to take into account the taskbar. And the Mac menu bar at top.
+    wxRect clientrect = wxGetClientDisplayRect();
 
     // 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
@@ -462,25 +472,25 @@ void wxWindowBase::Centre(int direction)
     //     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 (xNew < clientrect.GetLeft())
+            xNew = clientrect.GetLeft();
+        else if (xNew + width > clientrect.GetRight())
+            xNew = clientrect.GetRight() - width;
     }
     if (posParent.y + heightParent >= 0)  // if parent is (partially) on the main display
     {
-        if (yNew+height > size.y)
-            yNew = size.y-height-1;
+        if (yNew + height > clientrect.GetBottom())
+            yNew = clientrect.GetBottom() - height;
 
         // 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;
+        // dialog off the visible area of the display
+        if (yNew < clientrect.GetTop())
+            yNew = clientrect.GetTop();
     }
 
     // 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() and not Move() to allow xNew and/or yNew to be wxDefaultCoord)
     SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
 }
 
@@ -489,7 +499,7 @@ void wxWindowBase::Fit()
 {
     if ( GetChildren().GetCount() > 0 )
     {
-        SetClientSize(DoGetBestSize());
+        SetClientSize(GetBestSize());
     }
     //else: do nothing if we have no children
 }
@@ -503,6 +513,24 @@ void wxWindowBase::FitInside()
     }
 }
 
+// On Mac, scrollbars are explicitly children.
+#ifdef __WXMAC__
+static bool wxHasRealChildren(const wxWindowBase* win)
+{
+    int realChildCount = 0;
+
+    for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
+          node;
+          node = node->GetNext() )
+    {
+        wxWindow *win = node->GetData();
+        if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
+            realChildCount ++;
+    }
+    return (realChildCount > 0);
+}
+#endif
+
 // return the size best suited for the current window
 wxSize wxWindowBase::DoGetBestSize() const
 {
@@ -547,9 +575,13 @@ wxSize wxWindowBase::DoGetBestSize() const
         return wxSize(maxX, maxY);
     }
 #endif // wxUSE_CONSTRAINTS
-    else if ( GetChildren().GetCount() > 0 )
+    else if ( !GetChildren().empty()
+#ifdef __WXMAC__
+              && wxHasRealChildren(this)
+#endif
+              )
     {
-        // our minimal acceptable size is such that all our windows fit inside
+        // our minimal acceptable size is such that all our visible child windows fit inside
         int maxX = 0,
             maxY = 0;
 
@@ -558,7 +590,7 @@ wxSize wxWindowBase::DoGetBestSize() const
               node = node->GetNext() )
         {
             wxWindow *win = node->GetData();
-            if ( win->IsTopLevel()
+            if ( win->IsTopLevel()  || ( ! win->IsShown() )
 #if wxUSE_STATUSBAR
                     || wxDynamicCast(win, wxStatusBar)
 #endif // wxUSE_STATUSBAR
@@ -575,9 +607,9 @@ wxSize wxWindowBase::DoGetBestSize() const
 
             // if the window hadn't been positioned yet, assume that it is in
             // the origin
-            if ( wx == -1 )
+            if ( wx == wxDefaultCoord )
                 wx = 0;
-            if ( wy == -1 )
+            if ( wy == wxDefaultCoord )
                 wy = 0;
 
             win->GetSize(&ww, &wh);
@@ -594,14 +626,47 @@ wxSize wxWindowBase::DoGetBestSize() const
 
         return wxSize(maxX, maxY);
     }
-    else
+    else // ! has children
     {
-        // for a generic window there is no natural best size - just use the
-        // current one
-        return GetSize();
+        // for a generic window there is no natural best size - just use either the
+        // minimum size if there is one, or the current size
+        if ( GetMinSize().IsFullySpecified() )
+            return GetMinSize();
+        else
+            return GetSize();
     }
 }
 
+
+wxSize wxWindowBase::GetBestFittingSize() const
+{
+    // merge the best size with the min size, giving priority to the min size
+    wxSize min = GetMinSize();
+    if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
+    {
+        wxSize best = GetBestSize();
+        if (min.x == wxDefaultCoord) min.x =  best.x;
+        if (min.y == wxDefaultCoord) min.y =  best.y;
+    }
+    return min;
+}
+
+
+void wxWindowBase::SetBestFittingSize(const wxSize& size)
+{
+    // Set the min size to the size passed in.  This will usually either be
+    // wxDefaultSize or the size passed to this window's ctor/Create function.
+    SetMinSize(size);
+
+    // Merge the size with the best size if needed
+    wxSize best = GetBestFittingSize();
+
+    // If the current size doesn't match then change it
+    if (GetSize() != best)
+        SetSize(best);
+}
+
+
 // by default the origin is not shifted
 wxPoint wxWindowBase::GetClientAreaOrigin() const
 {
@@ -615,8 +680,8 @@ void wxWindowBase::SetSizeHints(int minW, int minH,
 {
     // setting min width greater than max width leads to infinite loops under
     // X11 and generally doesn't make any sense, so don't allow it
-    wxCHECK_RET( (minW == -1 || maxW == -1 || minW <= maxW) &&
-                    (minH == -1 || maxH == -1 || minH <= maxH),
+    wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
+                    (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
                  _T("min width/height must be less than max width/height!") );
 
     m_minWidth = minW;
@@ -625,6 +690,51 @@ void wxWindowBase::SetSizeHints(int minW, int minH,
     m_maxHeight = maxH;
 }
 
+void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
+{
+    if ( m_windowVariant != variant )
+    {
+        m_windowVariant = variant;
+
+        DoSetWindowVariant(variant);
+    }
+}
+
+void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
+{
+    // adjust the font height to correspond to our new variant (notice that
+    // we're only called if something really changed)
+    wxFont font = GetFont();
+    int size = font.GetPointSize();
+    switch ( variant )
+    {
+        case wxWINDOW_VARIANT_NORMAL:
+            break;
+
+        case wxWINDOW_VARIANT_SMALL:
+            size *= 3;
+            size /= 4;
+            break;
+
+        case wxWINDOW_VARIANT_MINI:
+            size *= 2;
+            size /= 3;
+            break;
+
+        case wxWINDOW_VARIANT_LARGE:
+            size *= 5;
+            size /= 4;
+            break;
+
+        default:
+            wxFAIL_MSG(_T("unexpected window variant"));
+            break;
+    }
+
+    font.SetPointSize(size);
+    SetFont(font);
+}
+
 void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
                                         int maxW, int maxH )
 {
@@ -636,13 +746,13 @@ void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
 
 void wxWindowBase::DoSetVirtualSize( int x, int y )
 {
-    if ( m_minVirtualWidth != -1 && m_minVirtualWidth > x )
+    if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
         x = m_minVirtualWidth;
-    if ( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x )
+    if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
         x = m_maxVirtualWidth;
-    if ( m_minVirtualHeight != -1 && m_minVirtualHeight > y )
+    if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
         y = m_minVirtualHeight;
-    if ( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y )
+    if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
         y = m_maxVirtualHeight;
 
     m_virtualSize = wxSize(x, y);
@@ -666,11 +776,11 @@ bool wxWindowBase::Show(bool show)
     {
         m_isShown = show;
 
-        return TRUE;
+        return true;
     }
     else
     {
-        return FALSE;
+        return false;
     }
 }
 
@@ -680,11 +790,11 @@ bool wxWindowBase::Enable(bool enable)
     {
         m_isEnabled = enable;
 
-        return TRUE;
+        return true;
     }
     else
     {
-        return FALSE;
+        return false;
     }
 }
 // ----------------------------------------------------------------------------
@@ -693,7 +803,7 @@ bool wxWindowBase::Enable(bool enable)
 
 bool wxWindowBase::IsTopLevel() const
 {
-    return FALSE;
+    return false;
 }
 
 // ----------------------------------------------------------------------------
@@ -727,7 +837,7 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
     if ( newParent == oldParent )
     {
         // nothing done
-        return FALSE;
+        return false;
     }
 
     // unlink this window from the existing parent.
@@ -750,7 +860,7 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
         wxTopLevelWindows.Append((wxWindow *)this);
     }
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -793,7 +903,7 @@ wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 
 bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 {
-    wxCHECK_MSG( handler, FALSE, _T("RemoveEventHandler(NULL) called") );
+    wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
 
     wxEvtHandler *handlerPrev = NULL,
                  *handlerCur = GetEventHandler();
@@ -816,9 +926,11 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
             {
                 handlerNext->SetPreviousHandler ( handlerPrev );
             }
+
             handler->SetNextHandler(NULL);
+            handler->SetPreviousHandler(NULL);
 
-            return TRUE;
+            return true;
         }
 
         handlerPrev = handlerCur;
@@ -827,35 +939,114 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
 
     wxFAIL_MSG( _T("where has the event handler gone?") );
 
-    return FALSE;
+    return false;
 }
 
 // ----------------------------------------------------------------------------
-// cursors, fonts &c
+// colours, fonts &c
 // ----------------------------------------------------------------------------
 
-bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+void wxWindowBase::InheritAttributes()
 {
-    if ( !colour.Ok() || (colour == m_backgroundColour) )
-        return FALSE;
+    const wxWindowBase * const parent = GetParent();
+    if ( !parent )
+        return;
 
-    m_backgroundColour = colour;
+    // we only inherit attributes which had been explicitly set for the parent
+    // which ensures that this only happens if the user really wants it and
+    // not by default which wouldn't make any sense in modern GUIs where the
+    // controls don't all use the same fonts (nor colours)
+    if ( parent->m_inheritFont && !m_hasFont )
+        SetFont(parent->GetFont());
 
-    m_hasBgCol = TRUE;
+    // in addition, there is a possibility to explicitly forbid inheriting
+    // colours at each class level by overriding ShouldInheritColours()
+    if ( ShouldInheritColours() )
+    {
+        if ( parent->m_inheritFgCol && !m_hasFgCol )
+            SetForegroundColour(parent->GetForegroundColour());
 
-    return TRUE;
+        if ( parent->m_inheritBgCol && !m_hasBgCol )
+            SetBackgroundColour(parent->GetBackgroundColour());
+    }
 }
 
-bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+/* static */ wxVisualAttributes
+wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
-    if ( !colour.Ok() || (colour == m_foregroundColour) )
-        return FALSE;
+    // it is important to return valid values for all attributes from here,
+    // GetXXX() below rely on this
+    wxVisualAttributes attrs;
+    attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+    attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+    attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 
-    m_foregroundColour = colour;
+    return attrs;
+}
+
+wxColour wxWindowBase::GetBackgroundColour() const
+{
+    if ( !m_backgroundColour.Ok() )
+    {
+        wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
+
+        // get our default background colour
+        wxColour colBg = GetDefaultAttributes().colBg;
 
-    m_hasFgCol = TRUE;
+        // we must return some valid colour to avoid redoing this every time
+        // and also to avoid surprizing the applications written for older
+        // wxWidgets versions where GetBackgroundColour() always returned
+        // something -- so give them something even if it doesn't make sense
+        // for this window (e.g. it has a themed background)
+        if ( !colBg.Ok() )
+            colBg = GetClassDefaultAttributes().colBg;
 
-    return TRUE;
+        return colBg;
+    }
+    else
+        return m_backgroundColour;
+}
+
+wxColour wxWindowBase::GetForegroundColour() const
+{
+    // logic is the same as above
+    if ( !m_hasFgCol && !m_foregroundColour.Ok() )
+    {
+        wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
+
+        wxColour colFg = GetDefaultAttributes().colFg;
+
+        if ( !colFg.Ok() )
+            colFg = GetClassDefaultAttributes().colFg;
+
+        return colFg;
+    }
+    else
+        return m_foregroundColour;
+}
+
+bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+{
+    if ( colour == m_backgroundColour )
+        return false;
+
+    m_hasBgCol = colour.Ok();
+    m_inheritBgCol = m_hasBgCol;
+    m_backgroundColour = colour;
+    SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
+    return true;
+}
+
+bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+{
+    if (colour == m_foregroundColour )
+        return false;
+
+    m_hasFgCol = colour.Ok();
+    m_inheritFgCol = m_hasFgCol;
+    m_foregroundColour = colour;
+    SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
+    return true;
 }
 
 bool wxWindowBase::SetCursor(const wxCursor& cursor)
@@ -865,37 +1056,53 @@ bool wxWindowBase::SetCursor(const wxCursor& cursor)
     if ( m_cursor == cursor )
     {
         // no change
-        return FALSE;
+        return false;
     }
 
     m_cursor = cursor;
 
-    return TRUE;
+    return true;
 }
 
-bool wxWindowBase::SetFont(const wxFont& font)
+wxFont wxWindowBase::GetFont() const
 {
-    // don't try to set invalid font, always fall back to the default
-    const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT;
+    // logic is the same as in GetBackgroundColour()
+    if ( !m_font.Ok() )
+    {
+        wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
 
-    if ( fontOk == m_font )
+        wxFont font = GetDefaultAttributes().font;
+        if ( !font.Ok() )
+            font = GetClassDefaultAttributes().font;
+
+        return font;
+    }
+    else
+        return m_font;
+}
+
+bool wxWindowBase::SetFont(const wxFont& font)
+{
+    if ( font == m_font )
     {
         // no change
-        return FALSE;
+        return false;
     }
 
-    m_font = fontOk;
+    m_font = font;
+    m_hasFont = font.Ok();
+    m_inheritFont = m_hasFont;
 
-    m_hasFont = TRUE;
+    InvalidateBestSize();
 
-    return TRUE;
+    return true;
 }
 
 #if wxUSE_PALETTE
 
 void wxWindowBase::SetPalette(const wxPalette& pal)
 {
-    m_hasCustomPalette = TRUE;
+    m_hasCustomPalette = true;
     m_palette = pal;
 
     // VZ: can anyone explain me what do we do here?
@@ -947,7 +1154,7 @@ void wxWindowBase::SetValidator(const wxValidator& validator)
     m_windowValidator = (wxValidator *)validator.Clone();
 
     if ( m_windowValidator )
-        m_windowValidator->SetWindow(this) ;
+        m_windowValidator->SetWindow(this);
 }
 #endif // wxUSE_VALIDATORS
 
@@ -1176,17 +1383,17 @@ bool wxWindowBase::Validate()
         wxValidator *validator = child->GetValidator();
         if ( validator && !validator->Validate((wxWindow *)this) )
         {
-            return FALSE;
+            return false;
         }
 
         if ( recurse && !child->Validate() )
         {
-            return FALSE;
+            return false;
         }
     }
 #endif // wxUSE_VALIDATORS
 
-    return TRUE;
+    return true;
 }
 
 bool wxWindowBase::TransferDataToWindow()
@@ -1206,7 +1413,7 @@ bool wxWindowBase::TransferDataToWindow()
             wxLog::FlushActive();
 #endif // wxUSE_LOG
 
-            return FALSE;
+            return false;
         }
 
         if ( recurse )
@@ -1214,13 +1421,13 @@ bool wxWindowBase::TransferDataToWindow()
             if ( !child->TransferDataToWindow() )
             {
                 // warning already given
-                return FALSE;
+                return false;
             }
         }
     }
 #endif // wxUSE_VALIDATORS
 
-    return TRUE;
+    return true;
 }
 
 bool wxWindowBase::TransferDataFromWindow()
@@ -1238,7 +1445,7 @@ bool wxWindowBase::TransferDataFromWindow()
             // nop warning here because the application is supposed to give
             // one itself - we don't know here what might have gone wrongly
 
-            return FALSE;
+            return false;
         }
 
         if ( recurse )
@@ -1246,13 +1453,13 @@ bool wxWindowBase::TransferDataFromWindow()
             if ( !child->TransferDataFromWindow() )
             {
                 // warning already given
-                return FALSE;
+                return false;
             }
         }
     }
 #endif // wxUSE_VALIDATORS
 
-    return TRUE;
+    return true;
 }
 
 void wxWindowBase::InitDialog()
@@ -1468,6 +1675,9 @@ void wxWindowBase::DeleteRelatedConstraints()
 
 void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
 {
+    if ( sizer == m_windowSizer)
+        return;
+
     if ( deleteOld )
         delete m_windowSizer;
 
@@ -1482,6 +1692,19 @@ void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
     sizer->SetSizeHints( (wxWindow*) this );
 }
 
+
+void wxWindowBase::SetContainingSizer(wxSizer* sizer)
+{
+    // adding a window to a sizer twice is going to result in fatal and
+    // hard to debug problems later because when deleting the second
+    // associated wxSizerItem we're going to dereference a dangling
+    // pointer; so try to detect this as early as possible
+    wxASSERT_MSG( !sizer || m_containingSizer != sizer,
+                  _T("Adding a window to the same sizer twice?") );
+
+    m_containingSizer = sizer;
+}
+
 #if wxUSE_CONSTRAINTS
 
 void wxWindowBase::SatisfyConstraints()
@@ -1526,7 +1749,7 @@ bool wxWindowBase::Layout()
     }
 #endif
 
-    return TRUE;
+    return true;
 }
 
 #if wxUSE_CONSTRAINTS
@@ -1550,7 +1773,7 @@ bool wxWindowBase::LayoutPhase2(int *noChanges)
     // Layout grand children
     DoPhase(2);
 
-    return TRUE;
+    return true;
 }
 
 // Do a phase of evaluating child constraints
@@ -1604,7 +1827,7 @@ bool wxWindowBase::DoPhase(int phase)
         }
     }
 
-    return TRUE;
+    return true;
 }
 
 void wxWindowBase::ResetConstraints()
@@ -1612,14 +1835,14 @@ 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);
+        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::compatibility_iterator node = GetChildren().GetFirst();
@@ -1681,25 +1904,25 @@ void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
     wxLayoutConstraints *constr = GetConstraints();
     if ( constr )
     {
-        if ( x != -1 )
+        if ( x != wxDefaultCoord )
         {
             constr->left.SetValue(x);
-            constr->left.SetDone(TRUE);
+            constr->left.SetDone(true);
         }
-        if ( y != -1 )
+        if ( y != wxDefaultCoord )
         {
             constr->top.SetValue(y);
-            constr->top.SetDone(TRUE);
+            constr->top.SetDone(true);
         }
-        if ( w != -1 )
+        if ( w != wxDefaultCoord )
         {
             constr->width.SetValue(w);
-            constr->width.SetDone(TRUE);
+            constr->width.SetDone(true);
         }
-        if ( h != -1 )
+        if ( h != wxDefaultCoord )
         {
             constr->height.SetValue(h);
-            constr->height.SetDone(TRUE);
+            constr->height.SetDone(true);
         }
     }
 }
@@ -1709,15 +1932,15 @@ void wxWindowBase::MoveConstraint(int x, int y)
     wxLayoutConstraints *constr = GetConstraints();
     if ( constr )
     {
-        if ( x != -1 )
+        if ( x != wxDefaultCoord )
         {
             constr->left.SetValue(x);
-            constr->left.SetDone(TRUE);
+            constr->left.SetDone(true);
         }
-        if ( y != -1 )
+        if ( y != wxDefaultCoord )
         {
             constr->top.SetValue(y);
-            constr->top.SetDone(TRUE);
+            constr->top.SetDone(true);
         }
     }
 }
@@ -1810,7 +2033,7 @@ void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
 {
     if ( event.GetSetEnabled() )
         Enable(event.GetEnabled());
-    
+
 #if wxUSE_CONTROLS
     if ( event.GetSetText() )
     {
@@ -1837,7 +2060,7 @@ void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
                 radiobtn->SetValue(event.GetChecked());
         }
 #endif // wxUSE_RADIOBTN
-    }    
+    }
 #endif
 }
 
@@ -1866,11 +2089,11 @@ 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) ;
+    wxPoint pt2 = wxDefaultPosition;
+    if (pt.x != wxDefaultCoord)
+        pt2.x = (int) ((pt.x * 4) / charWidth);
+    if (pt.y != wxDefaultCoord)
+        pt2.y = (int) ((pt.y * 8) / charHeight);
 
     return pt2;
 }
@@ -1879,11 +2102,11 @@ 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) ;
+    wxPoint pt2 = wxDefaultPosition;
+    if (pt.x != wxDefaultCoord)
+        pt2.x = (int) ((pt.x * charWidth) / 4);
+    if (pt.y != wxDefaultCoord)
+        pt2.y = (int) ((pt.y * charHeight) / 8);
 
     return pt2;
 }
@@ -1909,6 +2132,8 @@ void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
 
         node = node->GetNext();
     }
+
+    Refresh();
 }
 
 // the default action is to populate dialog with data when it's created,
@@ -1917,7 +2142,7 @@ void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
 void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
 {
     TransferDataToWindow();
-    
+
     // Update the UI at this point
     UpdateWindowUI(wxUPDATE_UI_RECURSE);
 }
@@ -1962,7 +2187,7 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
 
         wxMessageBox(wxString::Format(
                                       _T(
-                                        "       wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n   Copyright (c) 1995-2002 wxWindows team"
+                                        "       wxWidgets Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n   Copyright (c) 1995-2002 wxWidgets team"
                                         ),
                                       port.c_str(),
                                       wxMAJOR_VERSION,
@@ -1976,7 +2201,7 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
                                       __TDATE__,
                                       __TTIME__
                                      ),
-                     _T("wxWindows information"),
+                     _T("wxWidgets information"),
                      wxICON_INFORMATION | wxOK,
                      (wxWindow *)this);
     }
@@ -2117,8 +2342,8 @@ void wxWindowBase::ReleaseMouse()
     //else: stack is empty, no previous capture
 
     wxLogTrace(_T("mousecapture"),
-               _T("After ReleaseMouse() mouse is captured by %p"),
-               GetCapture());
+        (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
+        GetCapture());
 }
 
 #if wxUSE_HOTKEY
@@ -2152,7 +2377,7 @@ void wxWindowBase::SendDestroyEvent()
 // event processing
 // ----------------------------------------------------------------------------
 
-bool wxWindowBase::TryValidator(wxEvent& event)
+bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
 {
 #if wxUSE_VALIDATORS
     // Can only use the validator of the window which
@@ -2195,6 +2420,53 @@ bool wxWindowBase::TryParent(wxEvent& event)
     return wxEvtHandler::TryParent(event);
 }
 
+// ----------------------------------------------------------------------------
+// keyboard navigation
+// ----------------------------------------------------------------------------
+
+// Navigates in the specified direction.
+bool wxWindowBase::Navigate(int flags)
+{
+    wxNavigationKeyEvent eventNav;
+    eventNav.SetFlags(flags);
+    eventNav.SetEventObject(this);
+    if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+    {
+        return true;
+    }
+    return false;
+}
+
+void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
+{
+    // check that we're not a top level window
+    wxCHECK_RET( GetParent(),
+                    _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
+
+    // find the target window in the siblings list
+    wxWindowList& siblings = GetParent()->GetChildren();
+    wxWindowList::compatibility_iterator i = siblings.Find(win);
+    wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
+
+    // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
+    // can't just move the node around
+    wxWindow *self = (wxWindow *)this;
+    siblings.DeleteObject(self);
+    if ( move == MoveAfter )
+    {
+        i = i->GetNext();
+    }
+
+    if ( i )
+    {
+        siblings.Insert(i, self);
+    }
+    else // MoveAfter and win was the last sibling
+    {
+        siblings.Append(self);
+    }
+}
+
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
@@ -2214,7 +2486,7 @@ wxWindow* wxGetTopLevelParent(wxWindow *win)
 
 // Can return either a child object, or an integer
 // representing the child element, starting from 1.
-wxAccStatus wxWindowAccessible::HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject)
+wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2257,7 +2529,7 @@ wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
 
 // Navigates from fromId to toId/toObject.
 wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
-                             int* toId, wxAccessible** toObject)
+                             int* WXUNUSED(toId), wxAccessible** toObject)
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2357,19 +2629,21 @@ wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
 
     wxString title;
 
-    // If a child, leave wxWindows to call the function on the actual
+    // If a child, leave wxWidgets to call the function on the actual
     // child object.
     if (childId > 0)
         return wxACC_NOT_IMPLEMENTED;
 
     // This will eventually be replaced by specialised
-    // accessible classes, one for each kind of wxWindows
+    // accessible classes, one for each kind of wxWidgets
     // control or window.
+#if wxUSE_BUTTON
     if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
         title = ((wxButton*) GetWindow())->GetLabel();
     else
+#endif
         title = GetWindow()->GetName();
-    
+
     if (!title.IsEmpty())
     {
         *name = title;
@@ -2444,7 +2718,7 @@ wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
 // or > 0 (the action for a child).
 // Return wxACC_NOT_SUPPORTED if there is no default action for this
 // window (e.g. an edit control).
-wxAccStatus wxWindowAccessible::DoDefaultAction(int childId)
+wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2459,7 +2733,7 @@ wxAccStatus wxWindowAccessible::DoDefaultAction(int childId)
 // The retrieved string describes the action that is performed on an object,
 // not what the object does as a result. For example, a toolbar button that prints
 // a document has a default action of "Press" rather than "Prints the current document."
-wxAccStatus wxWindowAccessible::GetDefaultAction(int childId, wxString* actionName)
+wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2469,7 +2743,7 @@ wxAccStatus wxWindowAccessible::GetDefaultAction(int childId, wxString* actionNa
 }
 
 // Returns the description for this object or a child.
-wxAccStatus wxWindowAccessible::GetDescription(int childId, wxString* description)
+wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2485,7 +2759,7 @@ wxAccStatus wxWindowAccessible::GetDescription(int childId, wxString* descriptio
 }
 
 // Returns help text for this object or a child, similar to tooltip text.
-wxAccStatus wxWindowAccessible::GetHelpText(int childId, wxString* helpText)
+wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2502,7 +2776,7 @@ wxAccStatus wxWindowAccessible::GetHelpText(int childId, wxString* helpText)
 
 // Returns the keyboard shortcut for this object or child.
 // Return e.g. ALT+K
-wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int childId, wxString* shortcut)
+wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2518,7 +2792,7 @@ wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
     if (!GetWindow())
         return wxACC_FAIL;
 
-    // If a child, leave wxWindows to call the function on the actual
+    // If a child, leave wxWidgets to call the function on the actual
     // child object.
     if (childId > 0)
         return wxACC_NOT_IMPLEMENTED;
@@ -2538,7 +2812,9 @@ wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
     *role = wxROLE_SYSTEM_CLIENT;
     return wxACC_OK;
 
+    #if 0
     return wxACC_NOT_IMPLEMENTED;
+    #endif
 }
 
 // Returns a state constant.
@@ -2548,7 +2824,7 @@ wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
     if (!GetWindow())
         return wxACC_FAIL;
 
-    // If a child, leave wxWindows to call the function on the actual
+    // If a child, leave wxWidgets to call the function on the actual
     // child object.
     if (childId > 0)
         return wxACC_NOT_IMPLEMENTED;
@@ -2568,12 +2844,14 @@ wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
     *state = 0;
     return wxACC_OK;
 
+    #if 0
     return wxACC_NOT_IMPLEMENTED;
+    #endif
 }
 
 // Returns a localized string representing the value for the object
 // or child.
-wxAccStatus wxWindowAccessible::GetValue(int childId, wxString* strValue)
+wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2583,7 +2861,7 @@ wxAccStatus wxWindowAccessible::GetValue(int childId, wxString* strValue)
 }
 
 // Selects the object or child.
-wxAccStatus wxWindowAccessible::Select(int childId, wxAccSelectionFlags selectFlags)
+wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2596,7 +2874,7 @@ wxAccStatus wxWindowAccessible::Select(int childId, wxAccSelectionFlags selectFl
 // If childId is 0 and child is NULL, no object in
 // this subhierarchy has the focus.
 // If this object has the focus, child should be 'this'.
-wxAccStatus wxWindowAccessible::GetFocus(int* childId, wxAccessible** child)
+wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())
@@ -2608,12 +2886,12 @@ wxAccStatus wxWindowAccessible::GetFocus(int* childId, wxAccessible** child)
 // Gets a variant representing the selected children
 // of this object.
 // Acceptable values:
-// - a null variant (IsNull() returns TRUE)
+// - a null variant (IsNull() returns true)
 // - a list variant (GetType() == wxT("list")
 // - an integer representing the selected child element,
 //   or 0 if this object is selected (GetType() == wxT("long")
 // - a "void*" pointer to a wxAccessible child object
-wxAccStatus wxWindowAccessible::GetSelections(wxVariant* selections)
+wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
 {
     wxASSERT( GetWindow() != NULL );
     if (!GetWindow())