no changes (0 -> NULL)

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

diff --git a/include/wx/window.h b/include/wx/window.h
index caf8db3444c82be6f0a1dc59eeb5fb093452f111..94f9919e5da568833bd4c5ca9ab4e3072281ac8c 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -1,8 +1,8 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        window.h
+// Name:        wx/window.h

 // Purpose:     wxWindowBase class - the interface of wxWindow
 // Author:      Vadim Zeitlin
 // Purpose:     wxWindowBase class - the interface of wxWindow
 // Author:      Vadim Zeitlin

-// Modified by:
+// Modified by: Ron Lee

 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) wxWindows team
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) wxWindows team


@@ -30,20 +30,30 @@
 #include "wx/region.h"
 #include "wx/utils.h"
 
 #include "wx/region.h"
 #include "wx/utils.h"
 

-#if wxUSE_VALIDATORS
-    #include "wx/validate.h"    // defines wxDefaultValidator
-#endif // wxUSE_VALIDATORS
+#include "wx/validate.h"        // for wxDefaultValidator (always include it)
+
+#if wxUSE_PALETTE
+    #include "wx/dcclient.h"
+    #include "wx/palette.h"
+#endif // wxUSE_PALETTE

 
 #if wxUSE_ACCEL
     #include "wx/accel.h"
 #endif // wxUSE_ACCEL
 
 
 #if wxUSE_ACCEL
     #include "wx/accel.h"
 #endif // wxUSE_ACCEL
 

+// when building wxUniv/Foo we don't want the code for native menu use to be
+// compiled in - it should only be used when building real wxFoo
+#ifdef __WXUNIVERSAL__
+    #define wxUSE_MENUS_NATIVE 0
+#else // __WXMSW__
+    #define wxUSE_MENUS_NATIVE wxUSE_MENUS
+#endif // __WXUNIVERSAL__/__WXMSW__
+

 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxCaret;
 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxCaret;

-class WXDLLEXPORT wxClientData;

 class WXDLLEXPORT wxControl;
 class WXDLLEXPORT wxCursor;
 class WXDLLEXPORT wxDC;
 class WXDLLEXPORT wxControl;
 class WXDLLEXPORT wxCursor;
 class WXDLLEXPORT wxDC;


@@ -60,7 +70,7 @@ class WXDLLEXPORT wxWindow;
 // (pseudo)template list classes
 // ----------------------------------------------------------------------------
 
 // (pseudo)template list classes
 // ----------------------------------------------------------------------------
 

-WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode);
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT);

 
 // ----------------------------------------------------------------------------
 // global variables
 
 // ----------------------------------------------------------------------------
 // global variables


@@ -68,31 +78,6 @@ WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode);
 
 WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows;
 
 
 WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows;
 

-// ----------------------------------------------------------------------------
-// helper classes used by [SG]etClientObject/Data
-//
-// TODO move into a separate header?
-// ----------------------------------------------------------------------------
-
-class wxClientData
-{
-public:
-    wxClientData() { }
-    virtual ~wxClientData() { }
-};
-
-class wxStringClientData : public wxClientData
-{
-public:
-    wxStringClientData() { }
-    wxStringClientData( const wxString &data ) : m_data(data) { }
-    void SetData( const wxString &data ) { m_data = data; }
-    const wxString& GetData() const { return m_data; }
-
-private:
-    wxString  m_data;
-};
-

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


@@ -106,8 +91,6 @@ private:
 
 class WXDLLEXPORT wxWindowBase : public wxEvtHandler
 {
 
 class WXDLLEXPORT wxWindowBase : public wxEvtHandler
 {

-    DECLARE_ABSTRACT_CLASS(wxWindowBase);
-

 public:
     // creating the window
     // -------------------
 public:
     // creating the window
     // -------------------


@@ -121,9 +104,7 @@ public:
                     const wxPoint& pos = wxDefaultPosition,
                     const wxSize& size = wxDefaultSize,
                     long style = 0,
                     const wxPoint& pos = wxDefaultPosition,
                     const wxSize& size = wxDefaultSize,
                     long style = 0,

-#if wxUSE_VALIDATORS

                     const wxValidator& validator = wxDefaultValidator,
                     const wxValidator& validator = wxDefaultValidator,

-#endif // wxUSE_VALIDATORS

                     const wxString& name = wxPanelNameStr);
 
     virtual ~wxWindowBase();
                     const wxString& name = wxPanelNameStr);
 
     virtual ~wxWindowBase();


@@ -160,10 +141,14 @@ public:
     // window attributes
     // -----------------
 
     // window attributes
     // -----------------
 

+        // NB: in future versions of wxWindows Set/GetTitle() will only work
+        //     with the top level windows (such as dialogs and frames) and
+        //     Set/GetLabel() only with the other ones (i.e. all controls).
+

         // the title (or label, see below) of the window: the text which the
         // window shows
         // the title (or label, see below) of the window: the text which the
         // window shows

-    virtual void SetTitle( const wxString & WXUNUSED(title) ) { }
-    virtual wxString GetTitle() const { return ""; }
+    virtual void SetTitle( const wxString& WXUNUSED(title) ) {}
+    virtual wxString GetTitle() const { return wxEmptyString; }

 
         // label is just the same as the title (but for, e.g., buttons it
         // makes more sense to speak about labels)
 
         // label is just the same as the title (but for, e.g., buttons it
         // makes more sense to speak about labels)


@@ -207,11 +192,11 @@ public:
     void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO)
         { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
 
     void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO)
         { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
 

-    void Move( int x, int y )
-        { DoSetSize( x, y, -1, -1, wxSIZE_USE_EXISTING ); }
+    void Move(int x, int y, int flags = wxSIZE_USE_EXISTING)
+        { DoSetSize(x, y, -1, -1, flags); }

 
 

-    void Move(const wxPoint& pt)
-        { Move(pt.x, pt.y); }
+    void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING)
+        { Move(pt.x, pt.y, flags); }

 
         // Z-order
     virtual void Raise() = 0;
 
         // Z-order
     virtual void Raise() = 0;


@@ -263,11 +248,42 @@ public:
         return wxSize(w, h);
     }
 
         return wxSize(w, h);
     }
 

-        // centre with respect to the the parent window
+        // get the origin of the client area of the window relative to the
+        // window top left corner (the client area may be shifted because of
+        // the borders, scrollbars, other decorations...)
+    virtual wxPoint GetClientAreaOrigin() const;
+
+        // get the client rectangle in window (i.e. client) coordinates
+    wxRect GetClientRect() const
+    {
+        return wxRect(GetClientAreaOrigin(), GetClientSize());
+    }
+
+        // get the size best suited for the window (in fact, minimal
+        // acceptable size using which it will still look "nice")
+    wxSize GetBestSize() const { return DoGetBestSize(); }
+    void GetBestSize(int *w, int *h) const
+    {
+        wxSize s = DoGetBestSize();
+        if ( w )
+            *w = s.x;
+        if ( h )
+            *h = s.y;
+    }
+
+        // the generic centre function - centers the window on parent by
+        // default or on screen if it doesn't have parent or
+        // wxCENTER_ON_SCREEN flag is given

     void Centre( int direction = wxBOTH );
     void Center( int direction = wxBOTH ) { Centre(direction); }
     void Centre( int direction = wxBOTH );
     void Center( int direction = wxBOTH ) { Centre(direction); }

-    void CentreOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); }
-    void CenterOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); }
+
+        // centre on screen (only works for top level windows)
+    void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); }
+    void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
+
+        // centre with respect to the the parent window
+    void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); }
+    void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }

 
         // set window size to wrap around its children
     virtual void Fit();
 
         // set window size to wrap around its children
     virtual void Fit();


@@ -277,6 +293,44 @@ public:
                                int maxW = -1, int maxH = -1,
                                int incW = -1, int incH = -1 );
 
                                int maxW = -1, int maxH = -1,
                                int incW = -1, int incH = -1 );
 

+    virtual void SetVirtualSizeHints( int minW, int minH,
+                                      int maxW = -1, int maxH = -1 );
+
+    virtual int GetMinWidth() const { return m_minWidth; }
+    virtual int GetMinHeight() const { return m_minHeight; }
+    int GetMaxWidth() const { return m_maxWidth; }
+    int GetMaxHeight() const { return m_maxHeight; }
+
+        // Override this method to control the values given to Sizers etc.
+    virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); }
+
+        // Methods for accessing the virtual size of a window.  For most
+        // 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.
+
+    void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
+    void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
+
+    wxSize GetVirtualSize() const { return DoGetVirtualSize(); }
+    void GetVirtualSize( int *x, int *y ) const
+    {
+        wxSize s( DoGetVirtualSize() );
+
+        if( x )
+            *x = s.GetWidth();
+        if( y )
+            *y = s.GetHeight();
+    }
+
+        // Override these methods for windows that have a virtual size
+        // independent of their client size.  eg. the virtual area of a
+        // wxScrolledWindow.  Default is to alias VirtualSize to ClientSize.
+
+    virtual void DoSetVirtualSize( int x, int y );
+    virtual wxSize DoGetVirtualSize() const; // { return m_virtualSize; }
+

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


@@ -302,25 +356,50 @@ public:
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 
     bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 
     bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }

+    virtual bool IsRetained() const { return HasFlag(wxRETAINED); }

 
 

-    virtual bool IsRetained() const
-        { return (m_windowStyle & wxRETAINED) != 0; }
+        // extra style: the less often used style bits which can't be set with
+        // SetWindowStyleFlag()
+    virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
+    long GetExtraStyle() const { return m_exStyle; }

 
         // make the window modal (all other windows unresponsive)
     virtual void MakeModal(bool modal = TRUE);
 
 
         // make the window modal (all other windows unresponsive)
     virtual void MakeModal(bool modal = TRUE);
 

-    // focus handling
-    // --------------
+    virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; }
+    virtual bool GetThemeEnabled() const { return m_themeEnabled; }
+
+    // focus and keyboard handling
+    // ---------------------------

 
         // set focus to this window
     virtual void SetFocus() = 0;
 
 
         // set focus to this window
     virtual void SetFocus() = 0;
 

+        // set focus to this window as the result of a keyboard action
+    virtual void SetFocusFromKbd() { SetFocus(); }
+

         // return the window which currently has the focus or NULL
     static wxWindow *FindFocus() /* = 0: implement in derived classes */;
 
         // can this window have focus?
     virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
 
         // return the window which currently has the focus or NULL
     static wxWindow *FindFocus() /* = 0: implement in derived classes */;
 
         // can this window have focus?
     virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
 

+        // can this window be given focus by keyboard navigation? if not, the
+        // only way to give it focus (provided it accepts it at all) is to
+        // click it
+    virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
+
+        // NB: these methods really don't belong here but with the current
+        //     class hierarchy there is no other place for them :-(
+
+        // get the default child of this parent, i.e. the one which is
+        // activated by pressing <Enter>
+    virtual wxWindow *GetDefaultItem() const { return NULL; }
+
+        // set this child as default, return the old default
+    virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child))
+        { return NULL; }
+

     // parent/children relations
     // -------------------------
 
     // parent/children relations
     // -------------------------
 


@@ -333,7 +412,7 @@ public:
     inline wxWindow *GetGrandParent() const;
 
         // is this window a top level one?
     inline wxWindow *GetGrandParent() const;
 
         // is this window a top level one?

-    bool IsTopLevel() const;
+    virtual bool IsTopLevel() const;

 
         // it doesn't really change parent, use ReParent() instead
     void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
 
         // it doesn't really change parent, use ReParent() instead
     void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }


@@ -365,8 +444,15 @@ public:
     void PushEventHandler( wxEvtHandler *handler );
     wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE );
 
     void PushEventHandler( wxEvtHandler *handler );
     wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE );
 

-    // validators and client data
-    // --------------------------
+        // find the given handler in the event handler chain and remove (but
+        // not delete) it from the event handler chain, return TRUE if it was
+        // found and FALSE otherwise (this also results in an assert failure so
+        // this function should only be called when the handler is supposed to
+        // be there)
+    bool RemoveEventHandler(wxEvtHandler *handler);
+
+    // validators
+    // ----------

 
 #if wxUSE_VALIDATORS
         // a window may have an associated validator which is used to control
 
 #if wxUSE_VALIDATORS
         // a window may have an associated validator which is used to control


@@ -375,15 +461,6 @@ public:
     virtual wxValidator *GetValidator() { return m_windowValidator; }
 #endif // wxUSE_VALIDATORS
 
     virtual wxValidator *GetValidator() { return m_windowValidator; }
 #endif // wxUSE_VALIDATORS
 

-        // each window may have associated client data: either a pointer to
-        // wxClientData object in which case it is managed by the window (i.e.
-        // it will delete the data when it's destroyed) or an untyped pointer
-        // which won't be deleted by the window - but not both of them
-    void SetClientObject( wxClientData *data ) { DoSetClientObject(data); }
-    wxClientData *GetClientObject() const { return DoGetClientObject(); }
-
-    void SetClientData( void *data ) { DoSetClientData(data); }
-    void *GetClientData() const { return DoGetClientData(); }

 
     // dialog oriented functions
     // -------------------------
 
     // dialog oriented functions
     // -------------------------


@@ -431,9 +508,19 @@ public:
         // move the mouse to the specified position
     virtual void WarpPointer(int x, int y) = 0;
 
         // move the mouse to the specified position
     virtual void WarpPointer(int x, int y) = 0;
 

-        // start or end mouse capture
-    virtual void CaptureMouse() = 0;
-    virtual void ReleaseMouse() = 0;
+        // start or end mouse capture, these functions maintain the stack of
+        // windows having captured the mouse and after calling ReleaseMouse()
+        // the mouse is not released but returns to the window which had had
+        // captured it previously (if any)
+    void CaptureMouse();
+    void ReleaseMouse();
+
+        // get the window which currently captures the mouse or NULL
+    static wxWindow *GetCapture();
+
+        // does this window have the capture?
+    virtual bool HasCapture() const
+        { return (wxWindow *)this == GetCapture(); }

 
     // painting the window
     // -------------------
 
     // painting the window
     // -------------------


@@ -442,9 +529,22 @@ public:
         // will be repainted
     virtual void Refresh( bool eraseBackground = TRUE,
                           const wxRect *rect = (const wxRect *) NULL ) = 0;
         // will be repainted
     virtual void Refresh( bool eraseBackground = TRUE,
                           const wxRect *rect = (const wxRect *) NULL ) = 0;

+
+        // a less awkward wrapper for Refresh
+    void RefreshRect(const wxRect& rect) { Refresh(TRUE, &rect); }
+
+        // repaint all invalid areas of the window immediately
+    virtual void Update() { }
+

         // clear the window entirely
     virtual void Clear() = 0;
 
         // clear the window entirely
     virtual void Clear() = 0;
 

+        // freeze the window: don't redraw it until it is thawed
+    virtual void Freeze() { }
+
+        // thaw the window: redraw it after it had been frozen
+    virtual void Thaw() { }
+

         // adjust DC for drawing on this window
     virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
 
         // adjust DC for drawing on this window
     virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
 


@@ -453,6 +553,9 @@ public:
     const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
     wxRegion& GetUpdateRegion() { return m_updateRegion; }
 
     const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
     wxRegion& GetUpdateRegion() { return m_updateRegion; }
 

+        // get the update rectangleregion bounding box in client coords
+    wxRect GetUpdateClientRect() const;
+

         // these functions verify whether the given point/rectangle belongs to
         // (or at least intersects with) the update region
     bool IsExposed( int x, int y ) const;
         // these functions verify whether the given point/rectangle belongs to
         // (or at least intersects with) the update region
     bool IsExposed( int x, int y ) const;


@@ -506,11 +609,16 @@ public:
                                const wxFont *theFont = (const wxFont *) NULL)
                                const = 0;
 
                                const wxFont *theFont = (const wxFont *) NULL)
                                const = 0;
 

+    // client <-> screen coords
+    // ------------------------
+

         // translate to/from screen/client coordinates (pointers may be NULL)
     void ClientToScreen( int *x, int *y ) const
         { DoClientToScreen(x, y); }
     void ScreenToClient( int *x, int *y ) const
         { DoScreenToClient(x, y); }
         // translate to/from screen/client coordinates (pointers may be NULL)
     void ClientToScreen( int *x, int *y ) const
         { DoClientToScreen(x, y); }
     void ScreenToClient( int *x, int *y ) const
         { DoScreenToClient(x, y); }

+
+        // wxPoint interface to do the same thing

     wxPoint ClientToScreen(const wxPoint& pt) const
     {
         int x = pt.x, y = pt.y;
     wxPoint ClientToScreen(const wxPoint& pt) const
     {
         int x = pt.x, y = pt.y;


@@ -527,23 +635,43 @@ public:
         return wxPoint(x, y);
     }
 
         return wxPoint(x, y);
     }
 

+        // test where the given (in client coords) point lies
+    wxHitTest HitTest(wxCoord x, wxCoord y) const
+        { return DoHitTest(x, y); }
+
+    wxHitTest HitTest(const wxPoint& pt) const
+        { return DoHitTest(pt.x, pt.y); }
+

     // misc
     // ----
 
     // misc
     // ----
 

+    // get the window border style: uses the current style and falls back to
+    // the default style for this class otherwise (see GetDefaultBorder())
+    wxBorder GetBorder() const;
+

     void UpdateWindowUI();
 
     void UpdateWindowUI();
 

+#if wxUSE_MENUS

     bool PopupMenu( wxMenu *menu, const wxPoint& pos )
         { return DoPopupMenu(menu, pos.x, pos.y); }
     bool PopupMenu( wxMenu *menu, int x, int y )
         { return DoPopupMenu(menu, x, y); }
     bool PopupMenu( wxMenu *menu, const wxPoint& pos )
         { return DoPopupMenu(menu, pos.x, pos.y); }
     bool PopupMenu( wxMenu *menu, int x, int y )
         { return DoPopupMenu(menu, x, y); }

+#endif // wxUSE_MENUS

 
     // scrollbars
     // ----------
 
 
     // scrollbars
     // ----------
 

+        // does the window have the scrollbar for this orientation?
+    bool HasScrollbar(int orient) const
+    {
+        return (m_windowStyle &
+                (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
+    }
+

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

-                               int thumbVisible,
+                               int thumbvisible,

                                int range,
                                bool refresh = TRUE ) = 0;
     virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0;
                                int range,
                                bool refresh = TRUE ) = 0;
     virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0;


@@ -555,8 +683,36 @@ public:
     virtual void ScrollWindow( int dx, int dy,
                                const wxRect* rect = (wxRect *) NULL ) = 0;
 
     virtual void ScrollWindow( int dx, int dy,
                                const wxRect* rect = (wxRect *) NULL ) = 0;
 

+        // scrolls window by line/page: note that not all controls support this
+        //
+        // return TRUE if the position changed, FALSE otherwise
+    virtual bool ScrollLines(int WXUNUSED(lines)) { return FALSE; }
+    virtual bool ScrollPages(int WXUNUSED(pages)) { return FALSE; }
+
+        // convenient wrappers for ScrollLines/Pages
+    bool LineUp() { return ScrollLines(-1); }
+    bool LineDown() { return ScrollLines(1); }
+    bool PageUp() { return ScrollPages(-1); }
+    bool PageDown() { return ScrollPages(1); }
+
+    // context-sensitive help
+    // ----------------------
+
+    // these are the convenience functions wrapping wxHelpProvider methods
+
+#if wxUSE_HELP
+        // associate this help text with this window
+    void SetHelpText(const wxString& text);
+        // associate this help text with all windows with the same id as this
+        // one
+    void SetHelpTextForId(const wxString& text);
+        // get the help string associated with this window (may be empty)
+    wxString GetHelpText() const;
+#endif // wxUSE_HELP
+

     // tooltips
     // --------
     // tooltips
     // --------

+

 #if wxUSE_TOOLTIPS
         // the easiest way to set a tooltip for a window is to use this method
     void SetToolTip( const wxString &tip );
 #if wxUSE_TOOLTIPS
         // the easiest way to set a tooltip for a window is to use this method
     void SetToolTip( const wxString &tip );


@@ -582,15 +738,6 @@ public:
     void SetConstraints( wxLayoutConstraints *constraints );
     wxLayoutConstraints *GetConstraints() const { return m_constraints; }
 
     void SetConstraints( wxLayoutConstraints *constraints );
     wxLayoutConstraints *GetConstraints() const { return m_constraints; }
 

-        // when using constraints, it makes sense to update children positions
-        // automatically whenever the window is resized - this is done if
-        // autoLayout is on
-    void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
-    bool GetAutoLayout() const { return m_autoLayout; }
-
-        // do layout the window and its children
-    virtual bool Layout();
-

         // implementation only
     void UnsetConstraints(wxLayoutConstraints *c);
     wxWindowList *GetConstraintsInvolvedIn() const
         // implementation only
     void UnsetConstraints(wxLayoutConstraints *c);
     wxWindowList *GetConstraintsInvolvedIn() const


@@ -604,7 +751,7 @@ public:
     virtual void SetConstraintSizes(bool recurse = TRUE);
     virtual bool LayoutPhase1(int *noChanges);
     virtual bool LayoutPhase2(int *noChanges);
     virtual void SetConstraintSizes(bool recurse = TRUE);
     virtual bool LayoutPhase1(int *noChanges);
     virtual bool LayoutPhase2(int *noChanges);

-    virtual bool DoPhase(int);
+    virtual bool DoPhase(int phase);

 
         // these methods are virtual but normally won't be overridden
     virtual void SetSizeConstraint(int x, int y, int w, int h);
 
         // these methods are virtual but normally won't be overridden
     virtual void SetSizeConstraint(int x, int y, int w, int h);


@@ -613,11 +760,26 @@ public:
     virtual void GetClientSizeConstraint(int *w, int *h) const ;
     virtual void GetPositionConstraint(int *x, int *y) const ;
 
     virtual void GetClientSizeConstraint(int *w, int *h) const ;
     virtual void GetPositionConstraint(int *x, int *y) const ;
 

+#endif // wxUSE_CONSTRAINTS
+
+        // when using constraints or sizers, it makes sense to update
+        // children positions automatically whenever the window is resized
+        // - this is done if autoLayout is on
+    void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
+    bool GetAutoLayout() const { return m_autoLayout; }
+
+        // lay out the window and its children
+    virtual bool Layout();
+

         // sizers
         // sizers

-        // TODO: what are they and how do they work??
-    void SetSizer( wxSizer *sizer );
+    void SetSizer(wxSizer *sizer, bool deleteOld = TRUE );
+    void SetSizerAndFit( wxSizer *sizer, bool deleteOld = TRUE );
+

     wxSizer *GetSizer() const { return m_windowSizer; }
     wxSizer *GetSizer() const { return m_windowSizer; }

-#endif // wxUSE_CONSTRAINTS
+
+    // Track if this window is a member of a sizer
+    void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; }
+    wxSizer *GetContainingSizer() const { return m_containingSizer; }

 
     // backward compatibility
     // ----------------------
 
     // backward compatibility
     // ----------------------


@@ -636,13 +798,34 @@ public:
         // event handlers
     void OnSysColourChanged( wxSysColourChangedEvent& event );
     void OnInitDialog( wxInitDialogEvent &event );
         // event handlers
     void OnSysColourChanged( wxSysColourChangedEvent& event );
     void OnInitDialog( wxInitDialogEvent &event );

+    void OnMiddleClick( wxMouseEvent& event );
+#if wxUSE_HELP
+    void OnHelp(wxHelpEvent& event);
+#endif // wxUSE_HELP

 
         // get the haqndle of the window for the underlying window system: this
         // is only used for wxWin itself or for user code which wants to call
         // platform-specific APIs
     virtual WXWidget GetHandle() const = 0;
 
 
         // get the haqndle of the window for the underlying window system: this
         // is only used for wxWin itself or for user code which wants to call
         // platform-specific APIs
     virtual WXWidget GetHandle() const = 0;
 

+#if wxUSE_PALETTE
+        // Store the palette used by DCs in wxWindow so that the dcs can share
+        // a palette. And we can respond to palette messages.
+    wxPalette GetPalette() const { return m_palette; }
+
+        // When palette is changed tell the DC to set the system palette to the
+        // new one.
+    void SetPalette(const wxPalette& pal);
+
+        // return true if we have a specific palette
+    bool HasCustomPalette() const { return m_hasCustomPalette; }
+
+        // return the first parent window with a custom palette or NULL
+    wxWindow *GetAncestorWithCustomPalette() const;
+#endif // wxUSE_PALETTE
+

 protected:
 protected:

+

     // the window id - a number which uniquely identifies a window among
     // its siblings unless it is -1
     wxWindowID           m_windowId;
     // the window id - a number which uniquely identifies a window among
     // its siblings unless it is -1
     wxWindowID           m_windowId;


@@ -687,17 +870,6 @@ protected:
     wxAcceleratorTable   m_acceleratorTable;
 #endif // wxUSE_ACCEL
 
     wxAcceleratorTable   m_acceleratorTable;
 #endif // wxUSE_ACCEL
 

-    // user data associated with the window: either an object which will be
-    // deleted by the window when it's deleted or some raw pointer which we do
-    // nothing with - only one type of data can be used with the given window
-    // (i.e. you cannot set the void data and then associate the window with
-    // wxClientData or vice versa)
-    union
-    {
-        wxClientData *m_clientObject;
-        void         *m_clientData;
-    };
-

     // the tooltip for this window (may be NULL)
 #if wxUSE_TOOLTIPS
     wxToolTip           *m_tooltip;
     // the tooltip for this window (may be NULL)
 #if wxUSE_TOOLTIPS
     wxToolTip           *m_tooltip;


@@ -710,35 +882,76 @@ protected:
 
     // constraints this window is involved in
     wxWindowList        *m_constraintsInvolvedIn;
 
     // constraints this window is involved in
     wxWindowList        *m_constraintsInvolvedIn;

+#endif // wxUSE_CONSTRAINTS

 
 

-    // top level and the parent sizers
-    // TODO what's this and how does it work?)
+    // this window's sizer

     wxSizer             *m_windowSizer;
     wxSizer             *m_windowSizer;

-    wxWindowBase        *m_sizerParent;
+
+    // The sizer this window is a member of, if any
+    wxSizer             *m_containingSizer;

 
     // Layout() window automatically when its size changes?
     bool                 m_autoLayout:1;
 
     // Layout() window automatically when its size changes?
     bool                 m_autoLayout:1;

-#endif // wxUSE_CONSTRAINTS

 
     // window state
     bool                 m_isShown:1;
     bool                 m_isEnabled:1;
     bool                 m_isBeingDeleted:1;
 
 
     // window state
     bool                 m_isShown:1;
     bool                 m_isEnabled:1;
     bool                 m_isBeingDeleted:1;
 

+    // was the window colours/font explicitly changed by user?
+    bool                 m_hasBgCol:1;
+    bool                 m_hasFgCol:1;
+    bool                 m_hasFont:1;
+

     // window attributes
     // window attributes

-    long                 m_windowStyle;
+    long                 m_windowStyle,
+                         m_exStyle;

     wxString             m_windowName;
     wxString             m_windowName;

+    bool                 m_themeEnabled;
+
+#if wxUSE_PALETTE
+    wxPalette            m_palette;
+    bool                 m_hasCustomPalette;
+#endif // wxUSE_PALETTE
+
+    // Virtual size (scrolling)
+    wxSize                m_virtualSize;
+
+    int                   m_minVirtualWidth;    // VirtualSizeHints
+    int                   m_minVirtualHeight;
+    int                   m_maxVirtualWidth;
+    int                   m_maxVirtualHeight;

 
 

-protected:

     // common part of all ctors: it is not virtual because it is called from
     // ctor
     void InitBase();
 
     // common part of all ctors: it is not virtual because it is called from
     // ctor
     void InitBase();
 

+    // override this to change the default (i.e. used when no style is
+    // specified) border for the window class
+    virtual wxBorder GetDefaultBorder() const;
+

     // get the default size for the new window if no explicit size given
     // FIXME why 20 and not 30, 10 or ...?
     static int WidthDefault(int w) { return w == -1 ? 20 : w; }
     static int HeightDefault(int h) { return h == -1 ? 20 : h; }
 
     // get the default size for the new window if no explicit size given
     // FIXME why 20 and not 30, 10 or ...?
     static int WidthDefault(int w) { return w == -1 ? 20 : w; }
     static int HeightDefault(int h) { return h == -1 ? 20 : h; }
 

+    // set the best size for the control if the default size was given:
+    // replaces the fields of size == -1 with the best values for them and
+    // calls SetSize() if needed
+    void SetBestSize(const wxSize& size)
+    {
+        if ( size.x == -1 || size.y == -1 )
+        {
+            wxSize sizeBest = DoGetBestSize();
+            if ( size.x != -1 )
+                sizeBest.x = size.x;
+            if ( size.y != -1 )
+                sizeBest.y = size.y;
+
+            SetSize(sizeBest);
+        }
+    }
+

     // more pure virtual functions
     // ---------------------------
 
     // more pure virtual functions
     // ---------------------------
 


@@ -755,11 +968,22 @@ protected:
     virtual void DoClientToScreen( int *x, int *y ) const = 0;
     virtual void DoScreenToClient( int *x, int *y ) const = 0;
 
     virtual void DoClientToScreen( int *x, int *y ) const = 0;
     virtual void DoScreenToClient( int *x, int *y ) const = 0;
 

+    virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;
+
+    // capture/release the mouse, used by Capture/ReleaseMouse()
+    virtual void DoCaptureMouse() = 0;
+    virtual void DoReleaseMouse() = 0;
+

     // retrieve the position/size of the window
     virtual void DoGetPosition( int *x, int *y ) const = 0;
     virtual void DoGetSize( int *width, int *height ) const = 0;
     virtual void DoGetClientSize( int *width, int *height ) const = 0;
 
     // retrieve the position/size of the window
     virtual void DoGetPosition( int *x, int *y ) const = 0;
     virtual void DoGetSize( int *width, int *height ) const = 0;
     virtual void DoGetClientSize( int *width, int *height ) const = 0;
 

+    // get the size which best suits the window: for a control, it would be
+    // the minimal size which doesn't truncate the control, for a panel - the
+    // 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
     // wants to change how SetSize() or Move() works - it is called by all
     // versions of these functions in the base class
     // this is the virtual function to be overriden 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


@@ -770,32 +994,35 @@ protected:
     // same as DoSetSize() for the client size
     virtual void DoSetClientSize(int width, int height) = 0;
 
     // same as DoSetSize() for the client size
     virtual void DoSetClientSize(int width, int height) = 0;
 

+    // 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
+    // arrange themselves inside the given rectangle
+    virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
+

 #if wxUSE_TOOLTIPS
     virtual void DoSetToolTip( wxToolTip *tip );
 #endif // wxUSE_TOOLTIPS
 
 #if wxUSE_TOOLTIPS
     virtual void DoSetToolTip( wxToolTip *tip );
 #endif // wxUSE_TOOLTIPS
 

+#if wxUSE_MENUS

     virtual bool DoPopupMenu( wxMenu *menu, int x, int y ) = 0;
     virtual bool DoPopupMenu( wxMenu *menu, int x, int y ) = 0;

+#endif // wxUSE_MENUS

 
 

-    // client data accessors
-    virtual void DoSetClientObject( wxClientData *data );
-    virtual wxClientData *DoGetClientObject() const;
-
-    virtual void DoSetClientData( void *data );
-    virtual void *DoGetClientData() const;
+    // Makes an adjustment to the window position (for example, a frame that has
+    // a toolbar that it manages itself).
+    virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const;

 
 

-    // what kind of data do we have?
-    enum wxClientDataType
-    {
-        ClientData_None,    // we don't know yet because we don't have it at all
-        ClientData_Object,  // our client data is typed and we own it
-        ClientData_Void     // client data is untyped and we don't own it
-    } m_clientDataType;

 
 private:
 
 private:

+

     // contains the last id generated by NewControlId
     static int ms_lastControlId;
 
     // contains the last id generated by NewControlId
     static int ms_lastControlId;
 

-    DECLARE_NO_COPY_CLASS(wxWindowBase);
+    // the stack of windows which have captured the mouse
+    static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext;
+
+    DECLARE_ABSTRACT_CLASS(wxWindowBase)
+    DECLARE_NO_COPY_CLASS(wxWindowBase)

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -803,20 +1030,69 @@ private:
 // now include the declaration of wxWindow class
 // ----------------------------------------------------------------------------
 
 // now include the declaration of wxWindow class
 // ----------------------------------------------------------------------------
 

+// include the declaration of the platform-specific class

 #if defined(__WXMSW__)
 #if defined(__WXMSW__)

+    #ifdef __WXUNIVERSAL__
+        #define wxWindowNative wxWindowMSW
+    #else // !wxUniv
+        #define wxWindowMSW wxWindow
+        #define sm_classwxWindowMSW sm_classwxWindow
+    #endif // wxUniv/!wxUniv

     #include "wx/msw/window.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/window.h"
 #elif defined(__WXGTK__)
     #include "wx/msw/window.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/window.h"
 #elif defined(__WXGTK__)

+    #ifdef __WXUNIVERSAL__
+        #define wxWindowNative wxWindowGTK
+    #else // !wxUniv
+        #define wxWindowGTK wxWindow
+        #define sm_classwxWindowGTK sm_classwxWindow
+    #endif // wxUniv

     #include "wx/gtk/window.h"
     #include "wx/gtk/window.h"

-#elif defined(__WXQT__)
-    #include "wx/qt/window.h"
+#elif defined(__WXX11__)
+    #ifdef __WXUNIVERSAL__
+        #define wxWindowNative wxWindowX11
+    #else // !wxUniv
+        #define wxWindowX11 wxWindow
+        #define sm_classwxWindowX11 sm_classwxWindow
+    #endif // wxUniv
+    #include "wx/x11/window.h"
+#elif defined(__WXMGL__)
+    #ifdef __WXUNIVERSAL__
+        #define wxWindowNative wxWindowMGL
+    #else // !wxUniv
+        #define wxWindowMGL wxWindow
+        #define sm_classwxWindowMGL sm_classwxWindow
+    #endif // wxUniv
+    #include "wx/mgl/window.h"

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

+    #ifdef __WXUNIVERSAL__
+        #define wxWindowNative wxWindowMac
+    #else // !wxUniv
+        #define wxWindowMac wxWindow
+        #define sm_classwxWindowMac sm_classwxWindow
+    #endif // wxUniv

     #include "wx/mac/window.h"
 #elif defined(__WXPM__)
     #include "wx/mac/window.h"
 #elif defined(__WXPM__)

+    #ifdef __WXUNIVERSAL__
+        #define wxWindowNative wxWindowOS2
+    #else // !wxUniv
+        #define wxWindowOS2 wxWindow
+        #define sm_classwxWindowOS2 sm_classwxWindow
+    #endif // wxUniv/!wxUniv

     #include "wx/os2/window.h"
 #endif
 
     #include "wx/os2/window.h"
 #endif
 

+// for wxUniversal, we now derive the real wxWindow from wxWindow<platform>,
+// for the native ports we already have defined it above
+#if defined(__WXUNIVERSAL__)
+    #ifndef wxWindowNative
+        #error "wxWindowNative must be defined above!"
+    #endif
+
+    #include "wx/univ/window.h"
+#endif // wxUniv
+

 // ----------------------------------------------------------------------------
 // inline functions which couldn't be declared in the class body because of
 // forward dependencies
 // ----------------------------------------------------------------------------
 // inline functions which couldn't be declared in the class body because of
 // forward dependencies


@@ -828,11 +1104,25 @@ inline wxWindow *wxWindowBase::GetGrandParent() const
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// global function
+// global functions

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-WXDLLEXPORT extern wxWindow* wxGetActiveWindow();
-inline WXDLLEXPORT int NewControlId() { return wxWindowBase::NewControlId(); }
+// Find the wxWindow at the current mouse position, also returning the mouse
+// position.
+WXDLLEXPORT extern wxWindow* wxFindWindowAtPointer(wxPoint& pt);
+
+// Get the current mouse position.
+WXDLLEXPORT extern wxPoint wxGetMousePosition();
+
+// get the currently active window of this application or NULL
+WXDLLEXPORT extern wxWindow *wxGetActiveWindow();
+
+// get the (first) top level parent window
+WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);
+
+// deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
+inline int NewControlId() { return wxWindowBase::NewControlId(); }

 
 #endif
     // _WX_WINDOW_H_BASE_
 
 #endif
     // _WX_WINDOW_H_BASE_

+