OSX adaptions

[wxWidgets.git] / include / wx / window.h

diff --git a/include/wx/window.h b/include/wx/window.h
index ba5f596d78f350b1dcc0bae56bbef8d72fff674f..4b300792f1c84933e3d31bca1fbd1e042be80ef2 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -4,7 +4,6 @@
 // Author:      Vadim Zeitlin
 // Modified by: Ron Lee
 // Created:     01/02/97
 // Author:      Vadim Zeitlin
 // Modified by: Ron Lee
 // Created:     01/02/97

-// RCS-ID:      $Id$

 // Copyright:   (c) Vadim Zeitlin
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) Vadim Zeitlin
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////


@@ -118,6 +117,7 @@ enum wxWindowVariant
 // valid values for Show/HideWithEffect()
 enum wxShowEffect
 {
 // valid values for Show/HideWithEffect()
 enum wxShowEffect
 {

+    wxSHOW_EFFECT_NONE,

     wxSHOW_EFFECT_ROLL_TO_LEFT,
     wxSHOW_EFFECT_ROLL_TO_RIGHT,
     wxSHOW_EFFECT_ROLL_TO_TOP,
     wxSHOW_EFFECT_ROLL_TO_LEFT,
     wxSHOW_EFFECT_ROLL_TO_RIGHT,
     wxSHOW_EFFECT_ROLL_TO_TOP,


@@ -148,7 +148,9 @@ WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class
 // ----------------------------------------------------------------------------
 
 extern WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
 // ----------------------------------------------------------------------------
 
 extern WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;

-extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
+
+// declared here for compatibility only, main declaration is in wx/app.h
+extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;

 
 // ----------------------------------------------------------------------------
 // wxWindowBase is the base class for all GUI controls/widgets, this is the public
 
 // ----------------------------------------------------------------------------
 // wxWindowBase is the base class for all GUI controls/widgets, this is the public


@@ -171,15 +173,6 @@ public:
         // Create()
     wxWindowBase() ;
 
         // Create()
     wxWindowBase() ;
 

-        // pseudo ctor (can't be virtual, called from ctor)
-    bool CreateBase(wxWindowBase *parent,
-                    wxWindowID winid,
-                    const wxPoint& pos = wxDefaultPosition,
-                    const wxSize& size = wxDefaultSize,
-                    long style = 0,
-                    const wxValidator& validator = wxDefaultValidator,
-                    const wxString& name = wxPanelNameStr);
-

     virtual ~wxWindowBase();
 
     // deleting the window
     virtual ~wxWindowBase();
 
     // deleting the window


@@ -374,12 +367,8 @@ public:
         // get the size best suited for the window (in fact, minimal
         // acceptable size using which it will still look "nice" in
         // most situations)
         // get the size best suited for the window (in fact, minimal
         // acceptable size using which it will still look "nice" in
         // most situations)

-    wxSize GetBestSize() const
-    {
-        if (m_bestSizeCache.IsFullySpecified())
-            return m_bestSizeCache;
-        return DoGetBestSize();
-    }
+    wxSize GetBestSize() const;
+

     void GetBestSize(int *w, int *h) const
     {
         wxSize s = GetBestSize();
     void GetBestSize(int *w, int *h) const
     {
         wxSize s = GetBestSize();


@@ -389,6 +378,13 @@ public:
             *h = s.y;
     }
 
             *h = s.y;
     }
 

+        // Determine the best size in the other direction if one of them is
+        // fixed. This is used with windows that can wrap their contents and
+        // returns input-independent best size for the others.
+    int GetBestHeight(int width) const;
+    int GetBestWidth(int height) const;
+
+

     void SetScrollHelper( wxScrollHelper *sh )   { m_scrollHelper = sh; }
     wxScrollHelper *GetScrollHelper()            { return m_scrollHelper; }
 
     void SetScrollHelper( wxScrollHelper *sh )   { m_scrollHelper = sh; }
     wxScrollHelper *GetScrollHelper()            { return m_scrollHelper; }
 


@@ -402,7 +398,7 @@ public:
         // This function will merge the window's best size into the window's
         // minimum size, giving priority to the min size components, and
         // returns the results.
         // This function will merge the window's best size into the window's
         // minimum size, giving priority to the min size components, and
         // returns the results.

-    wxSize GetEffectiveMinSize() const;
+    virtual wxSize GetEffectiveMinSize() const;

     wxDEPRECATED( wxSize GetBestFittingSize() const );  // replaced by GetEffectiveMinSize
     wxDEPRECATED( wxSize GetAdjustedMinSize() const );  // replaced by GetEffectiveMinSize
 
     wxDEPRECATED( wxSize GetBestFittingSize() const );  // replaced by GetEffectiveMinSize
     wxDEPRECATED( wxSize GetAdjustedMinSize() const );  // replaced by GetEffectiveMinSize
 


@@ -418,7 +414,7 @@ public:
     void Centre(int dir = wxBOTH) { DoCentre(dir); }
     void Center(int dir = wxBOTH) { DoCentre(dir); }
 
     void Centre(int dir = wxBOTH) { DoCentre(dir); }
     void Center(int dir = wxBOTH) { DoCentre(dir); }
 

-        // centre with respect to the the parent window
+        // centre with respect to the parent window

     void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); }
     void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
 
     void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); }
     void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
 


@@ -456,10 +452,10 @@ public:
 
 
         // Call these to override what GetBestSize() returns. This
 
 
         // Call these to override what GetBestSize() returns. This

-        // method is only virtual because it is overriden in wxTLW
+        // method is only virtual because it is overridden in wxTLW

         // as a different API for SetSizeHints().
         // as a different API for SetSizeHints().

-    virtual void SetMinSize(const wxSize& minSize) { m_minWidth = minSize.x; m_minHeight = minSize.y; }
-    virtual void SetMaxSize(const wxSize& maxSize) { m_maxWidth = maxSize.x; m_maxHeight = maxSize.y; }
+    virtual void SetMinSize(const wxSize& minSize);
+    virtual void SetMaxSize(const wxSize& maxSize);

 
         // Like Set*Size, but for client, not window, size
     virtual void SetMinClientSize(const wxSize& size)
 
         // Like Set*Size, but for client, not window, size
     virtual void SetMinClientSize(const wxSize& size)


@@ -490,7 +486,7 @@ public:
         // windows this is just the client area of the window, but for
         // some like scrolled windows it is more or less independent of
         // the screen window size.  You may override the DoXXXVirtual
         // windows this is just the client area of the window, but for
         // some like scrolled windows it is more or less independent of
         // the screen window size.  You may override the DoXXXVirtual

-        // methods below for classes where that is is the case.
+        // methods below for classes where that is the case.

 
     void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
     void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
 
     void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
     void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }


@@ -524,6 +520,11 @@ public:
         return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
     }
 
         return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
     }
 

+    // returns the magnification of the content of this window
+    // eg 2.0 for a window on a retina screen
+    virtual double GetContentScaleFactor() const
+    { return 1.0; }
+    

     // return the size of the left/right and top/bottom borders in x and y
     // components of the result respectively
     virtual wxSize GetWindowBorderSize() const;
     // return the size of the left/right and top/bottom borders in x and y
     // components of the result respectively
     virtual wxSize GetWindowBorderSize() const;


@@ -535,12 +536,7 @@ public:
     // tells the item how much more space there is available in the opposite
     // direction (-1 if unknown).
     virtual bool
     // tells the item how much more space there is available in the opposite
     // direction (-1 if unknown).
     virtual bool

-    InformFirstDirection(int WXUNUSED(direction),
-                         int WXUNUSED(size),
-                         int WXUNUSED(availableOtherDir))
-    {
-        return false;
-    }
+    InformFirstDirection(int direction, int size, int availableOtherDir);

 
     // sends a size event to the window using its current size -- this has an
     // effect of refreshing the window layout
 
     // sends a size event to the window using its current size -- this has an
     // effect of refreshing the window layout


@@ -563,6 +559,43 @@ public:
     // this is the same as SendSizeEventToParent() but using PostSizeEvent()
     void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
 
     // this is the same as SendSizeEventToParent() but using PostSizeEvent()
     void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
 

+    // These functions should be used before repositioning the children of
+    // this window to reduce flicker or, in MSW case, even avoid display
+    // corruption in some situations (so they're more than just optimization).
+    //
+    // EndRepositioningChildren() should be called if and only if
+    // BeginRepositioningChildren() returns true. To ensure that this is always
+    // done automatically, use ChildrenRepositioningGuard class below.
+    virtual bool BeginRepositioningChildren() { return false; }
+    virtual void EndRepositioningChildren() { }
+
+    // A simple helper which ensures that EndRepositioningChildren() is called
+    // from its dtor if and only if calling BeginRepositioningChildren() from
+    // the ctor returned true.
+    class ChildrenRepositioningGuard
+    {
+    public:
+        // Notice that window can be NULL here, for convenience. In this case
+        // this class simply doesn't do anything.
+        wxEXPLICIT ChildrenRepositioningGuard(wxWindowBase* win)
+            : m_win(win),
+              m_callEnd(win && win->BeginRepositioningChildren())
+        {
+        }
+
+        ~ChildrenRepositioningGuard()
+        {
+            if ( m_callEnd )
+                m_win->EndRepositioningChildren();
+        }
+
+    private:
+        wxWindowBase* const m_win;
+        const bool m_callEnd;
+
+        wxDECLARE_NO_COPY_CLASS(ChildrenRepositioningGuard);
+    };
+

 
     // window state
     // ------------
 
     // window state
     // ------------


@@ -619,7 +652,7 @@ public:
     virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
     virtual long GetWindowStyleFlag() const { return m_windowStyle; }
 
     virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
     virtual long GetWindowStyleFlag() const { return m_windowStyle; }
 

-        // just some (somewhat shorter) synonims
+        // just some (somewhat shorter) synonyms

     void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 
     void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 


@@ -638,9 +671,10 @@ public:
 
     bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; }
 
 
     bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; }
 

+#if WXWIN_COMPATIBILITY_2_8

         // make the window modal (all other windows unresponsive)
         // make the window modal (all other windows unresponsive)

-    virtual void MakeModal(bool modal = true);
-
+    wxDEPRECATED( virtual void MakeModal(bool modal = true) );
+#endif

 
     // (primitive) theming support
     // ---------------------------
 
     // (primitive) theming support
     // ---------------------------


@@ -689,8 +723,13 @@ public:
     virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
 
 
     virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
 
 

-        // this is mostly a helper for the various functions using it below
-    bool CanBeFocused() const { return IsShown() && IsEnabled(); }
+        // Can this window be focused right now, in its current state? This
+        // shouldn't be called at all if AcceptsFocus() returns false.
+        //
+        // It is a convenient helper for the various functions using it below
+        // but also a hook allowing to override the default logic for some rare
+        // cases (currently just wxRadioBox in wxMSW) when it's inappropriate.
+    virtual bool CanBeFocused() const { return IsShown() && IsEnabled(); }

 
         // can this window itself have focus?
     bool IsFocusable() const { return AcceptsFocus() && CanBeFocused(); }
 
         // can this window itself have focus?
     bool IsFocusable() const { return AcceptsFocus() && CanBeFocused(); }


@@ -754,8 +793,12 @@ public:
         // is this window a top level one?
     virtual bool IsTopLevel() const;
 
         // is this window a top level one?
     virtual bool IsTopLevel() const;
 

+        // is this window a child or grand child of this one (inside the same
+        // TLW)?
+    bool IsDescendant(wxWindowBase* win) const;
+

         // it doesn't really change parent, use Reparent() instead
         // it doesn't really change parent, use Reparent() instead

-    void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
+    void SetParent( wxWindowBase *parent );

         // change the real parent of this window, return true if the parent
         // was changed, false otherwise (error or newParent == oldParent)
     virtual bool Reparent( wxWindowBase *newParent );
         // change the real parent of this window, return true if the parent
         // was changed, false otherwise (error or newParent == oldParent)
     virtual bool Reparent( wxWindowBase *newParent );


@@ -813,6 +856,13 @@ public:
     bool ProcessWindowEvent(wxEvent& event)
         { return GetEventHandler()->ProcessEvent(event); }
 
     bool ProcessWindowEvent(wxEvent& event)
         { return GetEventHandler()->ProcessEvent(event); }
 

+        // Call GetEventHandler()->ProcessEventLocally(): this should be used
+        // instead of calling ProcessEventLocally() directly on the window
+        // itself as this wouldn't take any pushed event handlers into account
+        // correctly
+    bool ProcessWindowEventLocally(wxEvent& event)
+        { return GetEventHandler()->ProcessEventLocally(event); }
+

         // Process an event by calling GetEventHandler()->ProcessEvent() and
         // handling any exceptions thrown by event handlers. It's mostly useful
         // when processing wx events when called from C code (e.g. in GTK+
         // Process an event by calling GetEventHandler()->ProcessEvent() and
         // handling any exceptions thrown by event handlers. It's mostly useful
         // when processing wx events when called from C code (e.g. in GTK+


@@ -824,6 +874,10 @@ public:
     virtual void SetNextHandler(wxEvtHandler *handler);
     virtual void SetPreviousHandler(wxEvtHandler *handler);
 
     virtual void SetNextHandler(wxEvtHandler *handler);
     virtual void SetPreviousHandler(wxEvtHandler *handler);
 

+
+    // Watcom doesn't allow reducing access with using access declaration, see
+    // #10749
+#ifndef __WATCOMC__

 protected:
 
     // NOTE: we change the access specifier of the following wxEvtHandler functions
 protected:
 
     // NOTE: we change the access specifier of the following wxEvtHandler functions


@@ -836,11 +890,15 @@ protected:
     //       The same holds for all other wxEvtHandler functions.
 
     using wxEvtHandler::ProcessEvent;
     //       The same holds for all other wxEvtHandler functions.
 
     using wxEvtHandler::ProcessEvent;

+    using wxEvtHandler::ProcessEventLocally;
+#if wxUSE_THREADS

     using wxEvtHandler::ProcessThreadEvent;
     using wxEvtHandler::ProcessThreadEvent;

+#endif

     using wxEvtHandler::SafelyProcessEvent;
     using wxEvtHandler::ProcessPendingEvents;
     using wxEvtHandler::AddPendingEvent;
     using wxEvtHandler::QueueEvent;
     using wxEvtHandler::SafelyProcessEvent;
     using wxEvtHandler::ProcessPendingEvents;
     using wxEvtHandler::AddPendingEvent;
     using wxEvtHandler::QueueEvent;

+#endif // __WATCOMC__

 
 public:
 
 
 public:
 


@@ -889,16 +947,16 @@ public:
     // dialog units translations
     // -------------------------
 
     // dialog units translations
     // -------------------------
 

-    wxPoint ConvertPixelsToDialog( const wxPoint& pt );
-    wxPoint ConvertDialogToPixels( const wxPoint& pt );
-    wxSize ConvertPixelsToDialog( const wxSize& sz )
+    wxPoint ConvertPixelsToDialog( const wxPoint& pt ) const;
+    wxPoint ConvertDialogToPixels( const wxPoint& pt ) const;
+    wxSize ConvertPixelsToDialog( const wxSize& sz ) const

     {
         wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
 
         return wxSize(pt.x, pt.y);
     }
 
     {
         wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
 
         return wxSize(pt.x, pt.y);
     }
 

-    wxSize ConvertDialogToPixels( const wxSize& sz )
+    wxSize ConvertDialogToPixels( const wxSize& sz ) const

     {
         wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
 
     {
         wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
 


@@ -1029,15 +1087,22 @@ public:
     wxColour GetForegroundColour() const;
 
         // Set/get the background style.
     wxColour GetForegroundColour() const;
 
         // Set/get the background style.

-        // Pass one of wxBG_STYLE_SYSTEM, wxBG_STYLE_COLOUR, wxBG_STYLE_CUSTOM
-    virtual bool SetBackgroundStyle(wxBackgroundStyle style) { m_backgroundStyle = style; return true; }
-    virtual wxBackgroundStyle GetBackgroundStyle() const { return m_backgroundStyle; }
+    virtual bool SetBackgroundStyle(wxBackgroundStyle style);
+    wxBackgroundStyle GetBackgroundStyle() const
+        { return m_backgroundStyle; }

 
         // returns true if the control has "transparent" areas such as a
         // wxStaticText and wxCheckBox and the background should be adapted
         // from a parent window
     virtual bool HasTransparentBackground() { return false; }
 
 
         // returns true if the control has "transparent" areas such as a
         // wxStaticText and wxCheckBox and the background should be adapted
         // from a parent window
     virtual bool HasTransparentBackground() { return false; }
 

+        // Returns true if background transparency is supported for this
+        // window, i.e. if calling SetBackgroundStyle(wxBG_STYLE_TRANSPARENT)
+        // has a chance of succeeding. If reason argument is non-NULL, returns a
+        // user-readable explanation of why it isn't supported if the return
+        // value is false.
+    virtual bool IsTransparentBackgroundSupported(wxString* reason = NULL) const;
+

         // set/retrieve the font for the window (SetFont() returns true if the
         // font really changed)
     virtual bool SetFont(const wxFont& font) = 0;
         // set/retrieve the font for the window (SetFont() returns true if the
         // font really changed)
     virtual bool SetFont(const wxFont& font) = 0;


@@ -1066,12 +1131,14 @@ public:
 
         // get the width/height/... of the text using current or specified
         // font
 
         // get the width/height/... of the text using current or specified
         // font

-    virtual void GetTextExtent(const wxString& string,
-                               int *x, int *y,
-                               int *descent = NULL,
-                               int *externalLeading = NULL,
-                               const wxFont *theFont = (const wxFont *) NULL)
-                               const = 0;
+    void GetTextExtent(const wxString& string,
+                       int *x, int *y,
+                       int *descent = NULL,
+                       int *externalLeading = NULL,
+                       const wxFont *font = NULL) const
+    {
+        DoGetTextExtent(string, x, y, descent, externalLeading, font);
+    }

 
     wxSize GetTextExtent(const wxString& string) const
     {
 
     wxSize GetTextExtent(const wxString& string) const
     {


@@ -1139,7 +1206,8 @@ public:
 
     // simply return the id of the selected item or wxID_NONE without
     // generating any events
 
     // simply return the id of the selected item or wxID_NONE without
     // generating any events

-    int GetPopupMenuSelectionFromUser(wxMenu& menu, const wxPoint& pos)
+    int GetPopupMenuSelectionFromUser(wxMenu& menu,
+                                      const wxPoint& pos = wxDefaultPosition)

         { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
     int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
         { return DoGetPopupMenuSelectionFromUser(menu, x, y); }
         { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
     int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
         { return DoGetPopupMenuSelectionFromUser(menu, x, y); }


@@ -1152,13 +1220,16 @@ public:
     // scrollbars
     // ----------
 
     // scrollbars
     // ----------
 

-        // does the window have the scrollbar for this orientation?
-    bool HasScrollbar(int orient) const
+        // can the window have the scrollbar in this orientation?
+    bool CanScroll(int orient) const

     {
         return (m_windowStyle &
                 (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
     }
 
     {
         return (m_windowStyle &
                 (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
     }
 

+        // does the window have the scrollbar in this orientation?
+    bool HasScrollbar(int orient) const;
+

         // configure the window scrollbars
     virtual void SetScrollbar( int orient,
                                int pos,
         // configure the window scrollbars
     virtual void SetScrollbar( int orient,
                                int pos,


@@ -1247,6 +1318,15 @@ public:
         // get the associated tooltip or NULL if none
     wxToolTip* GetToolTip() const { return m_tooltip; }
     wxString GetToolTipText() const;
         // get the associated tooltip or NULL if none
     wxToolTip* GetToolTip() const { return m_tooltip; }
     wxString GetToolTipText() const;

+
+    // Use the same tool tip as the given one (which can be NULL to indicate
+    // that no tooltip should be used) for this window. This is currently only
+    // used by wxCompositeWindow::DoSetToolTip() implementation and is not part
+    // of the public wx API.
+    //
+    // Returns true if tip was valid and we copied it or false if it was NULL
+    // and we reset our own tooltip too.
+    bool CopyToolTip(wxToolTip *tip);

 #else // !wxUSE_TOOLTIPS
         // make it much easier to compile apps in an environment
         // that doesn't support tooltips, such as PocketPC
 #else // !wxUSE_TOOLTIPS
         // make it much easier to compile apps in an environment
         // that doesn't support tooltips, such as PocketPC


@@ -1358,10 +1438,11 @@ public:
 
         // virtual function for implementing internal idle
         // behaviour
 
         // virtual function for implementing internal idle
         // behaviour

-        virtual void OnInternalIdle() {}
+        virtual void OnInternalIdle();

 
 

-        // call internal idle recursively
-//        void ProcessInternalIdle() ;
+    // Send idle event to window and all subwindows
+    // Returns true if more idle time is requested.
+    virtual bool SendIdleEvents(wxIdleEvent& event);

 
         // get the handle of the window for the underlying window system: this
         // is only used for wxWin itself or for user code which wants to call
 
         // get the handle of the window for the underlying window system: this
         // is only used for wxWin itself or for user code which wants to call


@@ -1408,10 +1489,43 @@ public:
     // used only by Windows
     virtual bool CanApplyThemeBorder() const { return true; }
 
     // used only by Windows
     virtual bool CanApplyThemeBorder() const { return true; }
 

+    // returns the main window of composite control; this is the window
+    // that FindFocus returns if the focus is in one of composite control's
+    // windows
+    virtual wxWindow *GetMainWindowOfCompositeControl()
+        { return (wxWindow*)this; }
+
+    // If this function returns true, keyboard navigation events shouldn't
+    // escape from it. A typical example of such "navigation domain" is a top
+    // level window because pressing TAB in one of them must not transfer focus
+    // to a different top level window. But it's not limited to them, e.g. MDI
+    // children frames are not top level windows (and their IsTopLevel()
+    // returns false) but still are self-contained navigation domains as well.
+    virtual bool IsTopNavigationDomain() const { return false; }
+
+

 protected:
 protected:

+    // helper for the derived class Create() methods: the first overload, with
+    // validator parameter, should be used for child windows while the second
+    // one is used for top level ones
+    bool CreateBase(wxWindowBase *parent,
+                    wxWindowID winid,
+                    const wxPoint& pos = wxDefaultPosition,
+                    const wxSize& size = wxDefaultSize,
+                    long style = 0,
+                    const wxValidator& validator = wxDefaultValidator,
+                    const wxString& name = wxPanelNameStr);
+
+    bool CreateBase(wxWindowBase *parent,
+                    wxWindowID winid,
+                    const wxPoint& pos,
+                    const wxSize& size,
+                    long style,
+                    const wxString& name);
+

     // event handling specific to wxWindow
     // event handling specific to wxWindow

-    virtual bool TryValidator(wxEvent& event);
-    virtual bool TryParent(wxEvent& event);
+    virtual bool TryBefore(wxEvent& event);
+    virtual bool TryAfter(wxEvent& event);

 
     enum WindowOrder
     {
 
     enum WindowOrder
     {


@@ -1437,23 +1551,12 @@ protected:
     // to true
     void SendDestroyEvent();
 
     // to true
     void SendDestroyEvent();
 

-    // returns the main window of composite control; this is the window
-    // that FindFocus returns if the focus is in one of composite control's
-    // windows
-    virtual wxWindow *GetMainWindowOfCompositeControl()
-        { return (wxWindow*)this; }
-

     // this method should be implemented to use operating system specific code
     // to really enable/disable the widget, it will only be called when we
     // really need to enable/disable window and so no additional checks on the
     // widgets state are necessary
     virtual void DoEnable(bool WXUNUSED(enable)) { }
 
     // this method should be implemented to use operating system specific code
     // to really enable/disable the widget, it will only be called when we
     // really need to enable/disable window and so no additional checks on the
     // widgets state are necessary
     virtual void DoEnable(bool WXUNUSED(enable)) { }
 

-    // called when the on-screen widget state changes and provides an
-    // an opportunity for the widget to update its visual state (colours,
-    // fonts, anything else) as necessary
-    virtual void OnEnabled(bool WXUNUSED(enabled)) { }
-

 
     // the window id - a number which uniquely identifies a window among
     // its siblings unless it is wxID_ANY
 
     // the window id - a number which uniquely identifies a window among
     // its siblings unless it is wxID_ANY


@@ -1599,6 +1702,13 @@ protected:
     //     overloaded Something()s in terms of DoSomething() which will be the
     //     only one to be virtual.
 
     //     overloaded Something()s in terms of DoSomething() which will be the
     //     only one to be virtual.
 

+    // text extent
+    virtual void DoGetTextExtent(const wxString& string,
+                                 int *x, int *y,
+                                 int *descent = NULL,
+                                 int *externalLeading = NULL,
+                                 const wxFont *font = NULL) const = 0;
+

     // coordinates translation
     virtual void DoClientToScreen( int *x, int *y ) const = 0;
     virtual void DoScreenToClient( int *x, int *y ) const = 0;
     // coordinates translation
     virtual void DoClientToScreen( int *x, int *y ) const = 0;
     virtual void DoScreenToClient( int *x, int *y ) const = 0;


@@ -1620,7 +1730,20 @@ protected:
     // same size as it would have after a call to Fit()
     virtual wxSize DoGetBestSize() const;
 
     // same size as it would have after a call to Fit()
     virtual wxSize DoGetBestSize() const;
 

-    // this is the virtual function to be overriden in any derived class which
+    // this method can be overridden instead of DoGetBestSize() if it computes
+    // the best size of the client area of the window only, excluding borders
+    // (GetBorderSize() will be used to add them)
+    virtual wxSize DoGetBestClientSize() const { return wxDefaultSize; }
+
+    // These two methods can be overridden to implement intelligent
+    // width-for-height and/or height-for-width best size determination for the
+    // window. By default the fixed best size is used.
+    virtual int DoGetBestClientHeight(int WXUNUSED(width)) const
+        { return wxDefaultCoord; }
+    virtual int DoGetBestClientWidth(int WXUNUSED(height)) const
+        { return wxDefaultCoord; }
+
+    // this is the virtual function to be overridden in any derived class which

     // wants to change how SetSize() or Move() works - it is called by all
     // versions of these functions in the base class
     virtual void DoSetSize(int x, int y,
     // wants to change how SetSize() or Move() works - it is called by all
     // versions of these functions in the base class
     virtual void DoSetSize(int x, int y,


@@ -1634,6 +1757,15 @@ protected:
                                  int maxW, int maxH,
                                  int incW, int incH );
 
                                  int maxW, int maxH,
                                  int incW, int incH );
 

+    // return the total size of the window borders, i.e. the sum of the widths
+    // of the left and the right border in the x component of the returned size
+    // and the sum of the heights of the top and bottom borders in the y one
+    //
+    // NB: this is currently only implemented properly for wxMSW, wxGTK and
+    //     wxUniv and doesn't behave correctly in the presence of scrollbars in
+    //     the other ports
+    virtual wxSize DoGetBorderSize() const;
+

     // move the window to the specified location and resize it: this is called
     // from both DoSetSize() and DoSetClientSize() and would usually just
     // reposition this window except for composite controls which will want to
     // move the window to the specified location and resize it: this is called
     // from both DoSetSize() and DoSetClientSize() and would usually just
     // reposition this window except for composite controls which will want to


@@ -1677,7 +1809,7 @@ protected:
     static void NotifyCaptureLost();
 
 private:
     static void NotifyCaptureLost();
 
 private:

-    // recursively call our own and our children OnEnabled() when the
+    // recursively call our own and our children DoEnable() when the

     // enabled/disabled status changed because a parent window had been
     // enabled/disabled
     void NotifyWindowOnEnableChange(bool enabled);
     // enabled/disabled status changed because a parent window had been
     // enabled/disabled
     void NotifyWindowOnEnableChange(bool enabled);


@@ -1691,6 +1823,13 @@ private:
     int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
 #endif // wxUSE_MENUS
 
     int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
 #endif // wxUSE_MENUS
 

+    // layout the window children when its size changes unless this was
+    // explicitly disabled with SetAutoLayout(false)
+    void InternalOnSize(wxSizeEvent& event);
+
+    // base for dialog unit conversion, i.e. average character size
+    wxSize GetDlgUnitBase() const;
+

     // the stack of windows which have captured the mouse
     static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;
 
     // the stack of windows which have captured the mouse
     static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;
 


@@ -1707,7 +1846,7 @@ private:
 
 
     DECLARE_ABSTRACT_CLASS(wxWindowBase)
 
 
     DECLARE_ABSTRACT_CLASS(wxWindowBase)

-    DECLARE_NO_COPY_CLASS(wxWindowBase)
+    wxDECLARE_NO_COPY_CLASS(wxWindowBase);

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -1740,14 +1879,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
 // ----------------------------------------------------------------------------
 
 // include the declaration of the platform-specific class
 // ----------------------------------------------------------------------------
 
 // include the declaration of the platform-specific class

-#if defined(__WXPALMOS__)
-    #ifdef __WXUNIVERSAL__
-        #define wxWindowNative wxWindowPalm
-    #else // !wxUniv
-        #define wxWindowPalm wxWindow
-    #endif // wxUniv/!wxUniv
-    #include "wx/palmos/window.h"
-#elif defined(__WXMSW__)
+#if defined(__WXMSW__)

     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowMSW
     #else // !wxUniv
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowMSW
     #else // !wxUniv


@@ -1777,9 +1909,6 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
         #define wxWindowX11 wxWindow
     #endif // wxUniv
     #include "wx/x11/window.h"
         #define wxWindowX11 wxWindow
     #endif // wxUniv
     #include "wx/x11/window.h"

-#elif defined(__WXMGL__)
-    #define wxWindowNative wxWindowMGL
-    #include "wx/mgl/window.h"

 #elif defined(__WXDFB__)
     #define wxWindowNative wxWindowDFB
     #include "wx/dfb/window.h"
 #elif defined(__WXDFB__)
     #define wxWindowNative wxWindowDFB
     #include "wx/dfb/window.h"