More work on getting wxLisBox events right

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

diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h
index 339a9d610690ec8600c3ba5028b51fa45a2efb0a..f2af094363a48456ea787459c3c71bbc001f0e53 100644 (file)
--- a/include/wx/gtk/window.h
+++ b/include/wx/gtk/window.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,371 +7,387 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

+#ifndef _WX_GTK_WINDOW_H_
+#define _WX_GTK_WINDOW_H_

 
 

-#ifndef __GTKWINDOWH__
-#define __GTKWINDOWH__
+#include "wx/dynarray.h"

 
 

-#ifdef __GNUG__
-#pragma interface
-#endif
+// helper structure that holds class that holds GtkIMContext object and
+// some additional data needed for key events processing
+struct wxGtkIMData;

 
 

-#include "wx/defs.h"
-#include "wx/object.h"
-#include "wx/list.h"
-#include "wx/event.h"
-#include "wx/validate.h"
-#include "wx/cursor.h"
-#include "wx/font.h"
-#include "wx/dc.h"
-#include "wx/region.h"
-#include "wx/dnd.h"
-#include "wx/accel.h"
+WX_DEFINE_EXPORTED_ARRAY_PTR(GdkWindow *, wxArrayGdkWindows);

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

-// global data
+// wxWindowGTK

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

-extern const char *wxFrameNameStr;
-extern wxList wxTopLevelWindows;
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class wxLayoutConstraints;
-class wxSizer;
-class wxResourceTable;
-class wxItemResource;
-
-class wxClientData;
-class wxVoidClientData;
-class wxWindow;
-
-//-----------------------------------------------------------------------------
-// callback definition for inserting a window (internal)
-//-----------------------------------------------------------------------------
-
-typedef void (*wxInsertChildFunction)( wxWindow*, wxWindow* );
-
-//-----------------------------------------------------------------------------
-// global data
-//-----------------------------------------------------------------------------
-
-extern const char *wxPanelNameStr;
-extern const wxSize wxDefaultSize;
-extern const wxPoint wxDefaultPosition;
-
-//-----------------------------------------------------------------------------
-// wxClientData
-//-----------------------------------------------------------------------------
-
-class wxClientData
+class WXDLLIMPEXP_CORE wxWindowGTK : public wxWindowBase

 {
 public:
 {
 public:

-    wxClientData() { }
-    virtual ~wxClientData() { }
-};
-
-//-----------------------------------------------------------------------------
-// wxStringClientData
-//-----------------------------------------------------------------------------
+    // creating the window
+    // -------------------
+    wxWindowGTK();
+    wxWindowGTK(wxWindow *parent,
+                wxWindowID id,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = 0,
+                const wxString& name = wxPanelNameStr);
+    bool Create(wxWindow *parent,
+                wxWindowID id,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = 0,
+                const wxString& name = wxPanelNameStr);
+    virtual ~wxWindowGTK();
+
+    // implement base class (pure) virtual methods
+    // -------------------------------------------
+
+    virtual void SetLabel(const wxString& WXUNUSED(label)) { }
+    virtual wxString GetLabel() const { return wxEmptyString; }
+
+    virtual bool Destroy();
+
+    virtual void Raise();
+    virtual void Lower();
+
+    virtual bool Show( bool show = true );
+
+    virtual void SetWindowStyleFlag( long style );
+
+    virtual bool IsRetained() const;
+
+    virtual void SetFocus();
+
+    // hint from wx to native GTK+ tab traversal code
+    virtual void SetCanFocus(bool canFocus);
+
+    virtual bool Reparent( wxWindowBase *newParent );
+
+    virtual void WarpPointer(int x, int y);
+
+    virtual void Refresh( bool eraseBackground = true,
+                          const wxRect *rect = (const wxRect *) NULL );
+    virtual void Update();
+    virtual void ClearBackground();
+
+    virtual bool SetBackgroundColour( const wxColour &colour );
+    virtual bool SetForegroundColour( const wxColour &colour );
+    virtual bool SetCursor( const wxCursor &cursor );
+    virtual bool SetFont( const wxFont &font );
+
+    virtual bool SetBackgroundStyle(wxBackgroundStyle style) ;
+
+    virtual int GetCharHeight() const;
+    virtual int GetCharWidth() const;
+    virtual void GetTextExtent(const wxString& string,
+                               int *x, int *y,
+                               int *descent = (int *) NULL,
+                               int *externalLeading = (int *) NULL,
+                               const wxFont *theFont = (const wxFont *) NULL)
+                               const;
+
+    virtual void SetScrollbar( int orient, int pos, int thumbVisible,
+                               int range, bool refresh = true );
+    virtual void SetScrollPos( int orient, int pos, bool refresh = true );
+    virtual int GetScrollPos( int orient ) const;
+    virtual int GetScrollThumb( int orient ) const;
+    virtual int GetScrollRange( int orient ) const;
+    virtual void ScrollWindow( int dx, int dy,
+                               const wxRect* rect = (wxRect *) NULL );
+    virtual bool ScrollLines(int lines);
+    virtual bool ScrollPages(int pages);
+
+#if wxUSE_DRAG_AND_DROP
+    virtual void SetDropTarget( wxDropTarget *dropTarget );
+#endif // wxUSE_DRAG_AND_DROP
+
+    virtual void AddChild( wxWindowBase *child );
+    virtual void RemoveChild( wxWindowBase *child );
+
+    virtual void SetLayoutDirection(wxLayoutDirection dir);
+    virtual wxLayoutDirection GetLayoutDirection() const;
+    virtual wxCoord AdjustForLayoutDirection(wxCoord x,
+                                             wxCoord width,
+                                             wxCoord widthTotal) const;
+
+    virtual bool DoIsExposed( int x, int y ) const;
+    virtual bool DoIsExposed( int x, int y, int w, int h ) const;
+
+    // currently wxGTK2-only
+    void SetDoubleBuffered(bool on);
+    virtual bool IsDoubleBuffered() const;
+
+    // implementation
+    // --------------
+
+    virtual WXWidget GetHandle() const { return m_widget; }
+
+    // many important things are done here, this function must be called
+    // regularly
+    virtual void OnInternalIdle();
+
+    // Internal represention of Update()
+    void GtkUpdate();
+
+    // For compatibility across platforms (not in event table)
+    void OnIdle(wxIdleEvent& WXUNUSED(event)) {}
+
+    // Used by all window classes in the widget creation process.
+    bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size );
+    void PostCreation();
+
+    // Internal addition of child windows. differs from class
+    // to class not by using virtual functions but by using
+    // the m_insertCallback.
+    void DoAddChild(wxWindowGTK *child);
+
+    // This methods sends wxPaintEvents to the window. It reads the
+    // update region, breaks it up into rects and sends an event
+    // for each rect. It is also responsible for background erase
+    // events and NC paint events. It is called from "draw" and
+    // "expose" handlers as well as from ::Update()
+    void GtkSendPaintEvents();
+
+    // The methods below are required because many native widgets
+    // are composed of several subwidgets and setting a style for
+    // the widget means setting it for all subwidgets as well.
+    // also, it is not clear which native widget is the top
+    // widget where (most of) the input goes. even tooltips have
+    // to be applied to all subwidgets.
+    virtual GtkWidget* GetConnectWidget();
+    void ConnectWidget( GtkWidget *widget );
+
+    // Called from several event handlers, if it returns true or false, the
+    // same value should be immediately returned by the handler without doing
+    // anything else. If it returns -1, the handler should continue as usual
+    int GTKCallbackCommonPrologue(struct _GdkEventAny *event) const;
+
+    // override this if some events should never be consumed by wxWidgets but
+    // but have to be left for the native control
+    //
+    // base version just does GetEventHandler()->ProcessEvent()
+    virtual bool GTKProcessEvent(wxEvent& event) const;
+
+    // Map GTK widget direction of the given widget to/from wxLayoutDirection
+    static wxLayoutDirection GTKGetLayout(GtkWidget *widget);
+    static void GTKSetLayout(GtkWidget *widget, wxLayoutDirection dir);
+
+    // return true if this window must have a non-NULL parent, false if it can
+    // be created without parent (normally only top level windows but in wxGTK
+    // there is also the exception of wxMenuBar)
+    virtual bool GTKNeedsParent() const { return !IsTopLevel(); }
+
+    // This is called when capture is taken from the window. It will 
+    // fire off capture lost events.
+    void GTKReleaseMouseAndNotify();
+
+    GdkWindow* GTKGetDrawingWindow() const;
+
+    bool GTKHandleFocusIn();
+    bool GTKHandleFocusOut();
+    void GTKHandleFocusOutNoDeferring();
+    static void GTKHandleDeferredFocusOut();
+
+protected:
+    // for controls composed of multiple GTK widgets, return true to eliminate
+    // spurious focus events if the focus changes between GTK+ children within
+    // the same wxWindow
+    virtual bool GTKNeedsToFilterSameWindowFocus() const { return false; }
+
+    // Override GTKWidgetNeedsMnemonic and return true if your
+    // needs to set its mnemonic widget, such as for a
+    // GtkLabel for wxStaticText, then do the actual
+    // setting of the widget inside GTKWidgetDoSetMnemonic
+    virtual bool GTKWidgetNeedsMnemonic() const;
+    virtual void GTKWidgetDoSetMnemonic(GtkWidget* w);
+
+    // Get the GdkWindows making part of this window: usually there will be
+    // only one of them in which case it should be returned directly by this
+    // function. If there is more than one GdkWindow (can be the case for
+    // composite widgets), return NULL and fill in the provided array
+    //
+    // This is not pure virtual for backwards compatibility but almost
+    // certainly must be overridden in any wxControl-derived class!
+    virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
+
+    // Check if the given window makes part of this widget
+    bool GTKIsOwnWindow(GdkWindow *window) const;

 
 

-class wxStringClientData: public wxClientData
-{

 public:
 public:

-    wxStringClientData() { }
-    wxStringClientData( wxString &data ) { m_data = data; }
-    void SetData( wxString &data ) { m_data = data; }
-    wxString GetData() const { return m_data; }
-
-private:
-    wxString  m_data;
-};
+    // Returns the default context which usually is anti-aliased
+    PangoContext   *GtkGetPangoDefaultContext();
+
+#if wxUSE_TOOLTIPS
+    // applies tooltip to the widget (tip must be UTF-8 encoded)
+    virtual void ApplyToolTip( GtkTooltips *tips, const gchar *tip );
+#endif // wxUSE_TOOLTIPS
+
+    // Called when a window should delay showing itself
+    // until idle time. This partly mimmicks defered
+    // sizing under MSW.
+    void GtkShowOnIdle() { m_showOnIdle = true; }
+
+    // This is called from the various OnInternalIdle methods
+    bool GtkShowFromOnIdle();
+
+    // fix up the mouse event coords, used by wxListBox only so far
+    virtual void FixUpMouseEvent(GtkWidget * WXUNUSED(widget),
+                                 wxCoord& WXUNUSED(x),
+                                 wxCoord& WXUNUSED(y)) { }
+
+    // is this window transparent for the mouse events (as wxStaticBox is)?
+    virtual bool IsTransparentForMouse() const { return false; }
+
+    // Common scroll event handling code for wxWindow and wxScrollBar
+    wxEventType GetScrollEventType(GtkRange* range);
+
+    // position and size of the window
+    int                  m_x, m_y;
+    int                  m_width, m_height;
+    int                  m_oldClientWidth,m_oldClientHeight;
+
+    // see the docs in src/gtk/window.cpp
+    GtkWidget           *m_widget;          // mostly the widget seen by the rest of GTK
+    GtkWidget           *m_wxwindow;        // mostly the client area as per wxWidgets
+
+    // return true if the window is of a standard (i.e. not wxWidgets') class
+    bool IsOfStandardClass() const { return m_wxwindow == NULL; }
+
+    // this widget will be queried for GTK's focus events
+    GtkWidget           *m_focusWidget;
+
+    wxGtkIMData         *m_imData;
+
+
+    // indices for the arrays below
+    enum ScrollDir { ScrollDir_Horz, ScrollDir_Vert, ScrollDir_Max };
+
+    // horizontal/vertical scroll bar
+    GtkRange* m_scrollBar[ScrollDir_Max];
+
+    // horizontal/vertical scroll position
+    double m_scrollPos[ScrollDir_Max];
+
+    // return the scroll direction index corresponding to the given orientation
+    // (which is wxVERTICAL or wxHORIZONTAL)
+    static ScrollDir ScrollDirFromOrient(int orient)
+    {
+        return orient == wxVERTICAL ? ScrollDir_Vert : ScrollDir_Horz;
+    }
+
+    // return the orientation for the given scrolling direction
+    static int OrientFromScrollDir(ScrollDir dir)
+    {
+        return dir == ScrollDir_Horz ? wxHORIZONTAL : wxVERTICAL;
+    }
+
+    // find the direction of the given scrollbar (must be one of ours)
+    ScrollDir ScrollDirFromRange(GtkRange *range) const;
+
+    // extra (wxGTK-specific) flags
+    bool                 m_noExpose:1;          // wxGLCanvas has its own redrawing
+    bool                 m_nativeSizeEvent:1;   // wxGLCanvas sends wxSizeEvent upon "alloc_size"
+    bool                 m_hasVMT:1;
+    bool                 m_isScrolling:1;       // dragging scrollbar thumb?
+    bool                 m_clipPaintRegion:1;   // true after ScrollWindow()
+    wxRegion             m_nativeUpdateRegion;  // not transformed for RTL
+    bool                 m_dirtyTabOrder:1;     // tab order changed, GTK focus
+                                                // chain needs update
+    bool                 m_needsStyleChange:1;  // May not be able to change
+                                                // background style until OnIdle
+    bool                 m_mouseButtonDown:1;
+
+    bool                 m_showOnIdle:1;        // postpone showing the window until idle
+
+protected:
+    // C++ has no virtual methods in the constrcutor of any class but we need
+    // different methods of inserting a child window into a wxFrame,
+    // wxMDIFrame, wxNotebook etc. this is the callback that will get used.
+    typedef void (*InsertChildFunction)(wxWindowGTK*, wxWindowGTK*);
+    InsertChildFunction m_insertCallback;
+
+    // implement the base class pure virtuals
+    virtual void DoClientToScreen( int *x, int *y ) const;
+    virtual void DoScreenToClient( int *x, int *y ) const;
+    virtual void DoGetPosition( int *x, int *y ) const;
+    virtual void DoGetSize( int *width, int *height ) const;
+    virtual void DoGetClientSize( int *width, int *height ) const;
+    virtual void DoSetSize(int x, int y,
+                           int width, int height,
+                           int sizeFlags = wxSIZE_AUTO);
+    virtual void DoSetClientSize(int width, int height);
+    virtual void DoMoveWindow(int x, int y, int width, int height);
+    virtual void DoEnable(bool enable);
+
+#if wxUSE_MENUS_NATIVE
+    virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
+    virtual void DoPopupMenuUpdateUI(wxMenu* menu);
+#endif // wxUSE_MENUS_NATIVE
+
+    virtual void DoCaptureMouse();
+    virtual void DoReleaseMouse();

 
 

-//-----------------------------------------------------------------------------
-// wxWindow
-//-----------------------------------------------------------------------------
+    virtual void DoFreeze();
+    virtual void DoThaw();

 
 

-class wxWindow: public wxEvtHandler
-{
-  DECLARE_DYNAMIC_CLASS(wxWindow)
+    static void GTKFreezeWidget(GtkWidget *w);
+    static void GTKThawWidget(GtkWidget *w);
+
+#if wxUSE_TOOLTIPS
+    virtual void DoSetToolTip( wxToolTip *tip );
+#endif // wxUSE_TOOLTIPS
+
+    // common part of all ctors (not virtual because called from ctor)
+    void Init();
+
+    virtual void DoMoveInTabOrder(wxWindow *win, WindowOrder move);
+    virtual bool DoNavigateIn(int flags);
+
+
+    // Copies m_children tab order to GTK focus chain:
+    void RealizeTabOrder();
+
+    // Called by ApplyWidgetStyle (which is called by SetFont() and
+    // SetXXXColour etc to apply style changed to native widgets) to create
+    // modified GTK style with non-standard attributes. If forceStyle=true,
+    // creates empty GtkRcStyle if there are no modifications, otherwise
+    // returns NULL in such case.
+    GtkRcStyle *CreateWidgetStyle(bool forceStyle = false);
+
+    // Overridden in many GTK widgets who have to handle subwidgets
+    virtual void ApplyWidgetStyle(bool forceStyle = false);
+
+    // helper function to ease native widgets wrapping, called by
+    // ApplyWidgetStyle -- override this, not ApplyWidgetStyle
+    virtual void DoApplyWidgetStyle(GtkRcStyle *style);
+
+    // sets the border of a given GtkScrolledWindow from a wx style
+    static void GtkScrolledWindowSetBorder(GtkWidget* w, int style);
+
+    // set the current cursor for all GdkWindows making part of this widget
+    // (see GTKGetWindow)
+    //
+    // should be called from OnInternalIdle() if it's overridden
+    void GTKUpdateCursor();
+
+    void ConstrainSize();

 
 

-public:
-  wxWindow();
-  wxWindow(wxWindow *parent, wxWindowID id,
-           const wxPoint& pos = wxDefaultPosition,
-           const wxSize& size = wxDefaultSize,
-           long style = 0,
-           const wxString& name = wxPanelNameStr);
-  bool Create(wxWindow *parent, wxWindowID id,
-           const wxPoint& pos = wxDefaultPosition,
-           const wxSize& size = wxDefaultSize,
-           long style = 0,
-           const wxString& name = wxPanelNameStr);
-  virtual ~wxWindow();
-
-  virtual bool LoadFromResource( wxWindow *parent, const wxString& resourceName,
-                                 const wxResourceTable *table = (const wxResourceTable *) NULL);
-  virtual wxControl *CreateItem(const wxItemResource* childResource, const wxItemResource* parentResource,
-                                 const wxResourceTable *table = (const wxResourceTable *) NULL);
-
-  bool Close( bool force = FALSE );
-  virtual bool Destroy();
-  virtual bool DestroyChildren();
-
-  virtual void PrepareDC( wxDC &dc );
-
-  virtual void SetSize( int x, int y, int width, int height,
-    int sizeFlags = wxSIZE_AUTO );
-  virtual void SetSize( int width, int height );
-  virtual void Move( int x, int y );
-  virtual void GetSize( int *width, int *height ) const;
-  virtual void SetClientSize( int const width, int const height );
-  virtual void GetClientSize( int *width, int *height ) const;
-  virtual void GetPosition( int *x, int *y ) const;
-  virtual void Centre( int direction = wxHORIZONTAL );
-  inline void Center(int direction = wxHORIZONTAL) { Centre(direction); }
-  virtual void Fit();
-
-  virtual void SetSizeHints( int minW, int minH, int maxW = -1, int maxH = -1, int incW = -1, int incH = -1 );
-
-  // Dialog units translations. Implemented in wincmn.cpp.
-  wxPoint ConvertPixelsToDialog(const wxPoint& pt) ;
-  wxPoint ConvertDialogToPixels(const wxPoint& pt) ;
-  inline wxSize ConvertPixelsToDialog(const wxSize& sz)
-  { wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y))); return wxSize(pt.x, pt.y); }
-  inline wxSize ConvertDialogToPixels(const wxSize& sz)
-  { wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y))); return wxSize(pt.x, pt.y); }
-
-  void OnSize( wxSizeEvent &event );
-  void OnIdle( wxIdleEvent& event );
-
-  virtual bool Show( bool show );
-  virtual void Enable( bool enable );
-  virtual void MakeModal( bool modal );
-  virtual bool IsEnabled() const { return m_isEnabled; }
-  inline bool Enabled() const { return IsEnabled(); }
-  virtual void SetFocus();
-  virtual bool OnClose();
-
-  virtual void AddChild( wxWindow *child );
-  wxList& GetChildren() { return m_children; }
-
-  virtual void RemoveChild( wxWindow *child );
-  void SetReturnCode( int retCode );
-  int GetReturnCode();
-  wxWindow *GetParent() const
-    { return m_parent; }
-  wxWindow *GetGrandParent() const
-    { return (m_parent ? m_parent->m_parent : (wxWindow*)NULL); }
-  void SetParent( wxWindow *p )
-    { m_parent = p; }
-  virtual wxWindow *ReParent( wxWindow *newParent );
-
-  wxEvtHandler *GetEventHandler() const;
-  void SetEventHandler( wxEvtHandler *handler );
-  void PushEventHandler( wxEvtHandler *handler );
-  wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE );
-
-  virtual wxValidator *GetValidator();
-  virtual void SetValidator( const wxValidator &validator );
-
-  virtual void SetClientObject( wxClientData *data );
-  virtual wxClientData *GetClientObject();
-
-  virtual void SetClientData( void *data );
-  virtual void *GetClientData();
-
-  virtual void SetAcceleratorTable( const wxAcceleratorTable& accel );
-  virtual wxAcceleratorTable *GetAcceleratorTable() { return &m_acceleratorTable; }
-
-  bool IsBeingDeleted();
-
-  void SetId( wxWindowID id );
-  wxWindowID GetId() const;
-
-  void SetCursor( const wxCursor &cursor );
-
-  virtual void Refresh( bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL );
-  virtual void Clear();
-
-  virtual wxRegion GetUpdateRegion() const;
-  virtual bool IsExposed(int x, int y) const;
-  virtual bool IsExposed(int x, int y, int w, int h) const;
-  virtual bool IsExposed(const wxPoint& pt) const;
-  virtual bool IsExposed(const wxRect& rect) const;
-
-  virtual wxColour GetBackgroundColour() const;
-  virtual void SetBackgroundColour( const wxColour &colour );
-  virtual wxColour GetForegroundColour() const;
-  virtual void SetForegroundColour( const wxColour &colour );
-
-  virtual int GetCharHeight() const;
-  virtual int GetCharWidth() const;
-  virtual void GetTextExtent( const wxString& string, int *x, int *y,
-                             int *descent = (int *) NULL,
-                             int *externalLeading = (int *) NULL,
-                             const wxFont *theFont = (const wxFont *) NULL, bool use16 = FALSE) const;
-
-  virtual void SetFont( const wxFont &font );
-  virtual const wxFont& GetFont() { return m_font; }
-
-    // For backward compatibility
-  inline virtual void SetButtonFont(const wxFont& font) { SetFont(font); }
-  inline virtual void SetLabelFont(const wxFont& font) { SetFont(font); }
-  inline virtual const wxFont& GetLabelFont() { return GetFont(); };
-  inline virtual const wxFont& GetButtonFont() { return GetFont(); };
-
-  virtual void SetWindowStyleFlag( long flag );
-  virtual long GetWindowStyleFlag() const;
-
-  virtual void CaptureMouse();
-  virtual void ReleaseMouse();
-
-  virtual void SetTitle( const wxString &title );
-  virtual wxString GetTitle() const;
-  virtual void SetName( const wxString &name );
-  virtual wxString GetName() const;
-  virtual wxString GetLabel() const;
-
-  void OnSysColourChanged( wxSysColourChangedEvent &WXUNUSED(event) ) {};
-
-  virtual bool IsShown() const;
-
-  virtual void Raise();
-  virtual void Lower();
-
-  virtual bool IsRetained();
-  virtual wxWindow *FindWindow( long id );
-  virtual wxWindow *FindWindow( const wxString& name );
-
-  void AllowDoubleClick( bool WXUNUSED(allow) ) {};
-  void SetDoubleClick( bool WXUNUSED(allow) ) {};
-
-  virtual void ClientToScreen( int *x, int *y );
-  virtual void ScreenToClient( int *x, int *y );
-
-  virtual bool Validate();
-  virtual bool TransferDataToWindow();
-  virtual bool TransferDataFromWindow();
-  void OnInitDialog( wxInitDialogEvent &event );
-  virtual void InitDialog();
-
-  virtual bool PopupMenu( wxMenu *menu, int x, int y );
-
-  virtual void SetDropTarget( wxDropTarget *dropTarget );
-  virtual wxDropTarget *GetDropTarget() const;
-
-  virtual void SetScrollbar( int orient, int pos, int thumbVisible,
-    int range, bool refresh = TRUE );
-  virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
-  virtual int GetScrollPos( int orient ) const;
-  virtual int GetScrollThumb( int orient ) const;
-  virtual int GetScrollRange( int orient ) const;
-  virtual void ScrollWindow( int dx, int dy, const wxRect* rect = (wxRect *) NULL );
-
-  virtual bool AcceptsFocus() const;
-
-  void UpdateWindowUI();
-
-  // implementation
-
-          void        PreCreation( wxWindow *parent, wxWindowID id, const wxPoint &pos,
-                                   const wxSize &size, long style, const wxString &name );
-          void        PostCreation();
-  virtual GtkWidget  *GetConnectWidget();
-  virtual bool        IsOwnGtkWindow( GdkWindow *window );
-          void        ConnectWidget( GtkWidget *widget );
-
-          bool        HasVMT();
-
-  virtual wxPoint     GetClientAreaOrigin() const;
-  virtual void        AdjustForParentClientOrigin( int& x, int& y, int sizeFlags );
-
-          GtkStyle   *GetWidgetStyle();
-          void        SetWidgetStyle();
-  virtual void        ApplyWidgetStyle();
-
-
-  wxWindow            *m_parent;
-  wxList               m_children;
-  int                  m_x,m_y;
-  int                  m_width,m_height;
-  int                  m_minWidth,m_minHeight;
-  int                  m_maxWidth,m_maxHeight;
-  int                  m_retCode;
-  wxEvtHandler        *m_eventHandler;
-  wxValidator         *m_windowValidator;
-  wxDropTarget        *m_dropTarget;
-  wxWindowID           m_windowId;
-  wxCursor            *m_cursor;
-  wxFont               m_font;
-  wxColour             m_backgroundColour;
-  wxColour             m_foregroundColour;
-  wxRegion             m_updateRegion;
-  long                 m_windowStyle;
-  bool                 m_isShown;
-  bool                 m_isEnabled;
-  wxString             m_windowName;
-  wxAcceleratorTable   m_acceleratorTable;
-  wxClientData        *m_clientObject;
-  void                *m_clientData;
-
-  GtkWidget           *m_widget;
-  GtkWidget           *m_wxwindow;
-  GtkAdjustment       *m_hAdjust,*m_vAdjust;
-  float                m_oldHorizontalPos;
-  float                m_oldVerticalPos;
-  bool                 m_needParent;
-  bool                 m_hasScrolling;
-  bool                 m_isScrolling;
-  bool                 m_hasVMT;
-  bool                 m_sizeSet;
-  bool                 m_resizing;
-  GdkGC               *m_scrollGC;
-  GtkStyle            *m_widgetStyle;
-  bool                 m_isStaticBox;
-
-  wxInsertChildFunction  m_insertCallback;
+private:
+    enum ScrollUnit { ScrollUnit_Line, ScrollUnit_Page, ScrollUnit_Max };

 
 

-public:
+    // common part of ScrollLines() and ScrollPages() and could be used, in the
+    // future, for horizontal scrolling as well
+    //
+    // return true if we scrolled, false otherwise (on error or simply if we
+    // are already at the end)
+    bool DoScrollByUnits(ScrollDir dir, ScrollUnit unit, int units);

 
 

-  wxLayoutConstraints *m_constraints;
-  wxList              *m_constraintsInvolvedIn;
-  wxSizer             *m_windowSizer;
-  wxWindow            *m_sizerParent;
-  bool                 m_autoLayout;
-
-  wxLayoutConstraints *GetConstraints() const;
-  void SetConstraints( wxLayoutConstraints *constraints );
-  void SetAutoLayout( bool autoLayout );
-  bool GetAutoLayout() const;
-  bool Layout();
-  void SetSizer( wxSizer *sizer );
-  wxSizer *GetSizer() const;
-  void SetSizerParent( wxWindow *win );
-  wxWindow *GetSizerParent() const;
-  void UnsetConstraints(wxLayoutConstraints *c);
-  inline wxList *GetConstraintsInvolvedIn() const ;
-  void AddConstraintReference(wxWindow *otherWin);
-  void RemoveConstraintReference(wxWindow *otherWin);
-  void DeleteRelatedConstraints();
-  virtual void ResetConstraints();
-  virtual void SetConstraintSizes(bool recurse = TRUE);
-  virtual bool LayoutPhase1(int *noChanges);
-  virtual bool LayoutPhase2(int *noChanges);
-  virtual bool DoPhase(int);
-  virtual void TransformSizerToActual(int *x, int *y) const ;
-  virtual void SizerSetSize(int x, int y, int w, int h);
-  virtual void SizerMove(int x, int y);
-  virtual void SetSizeConstraint(int x, int y, int w, int h);
-  virtual void MoveConstraint(int x, int y);
-  virtual void GetSizeConstraint(int *w, int *h) const ;
-  virtual void GetClientSizeConstraint(int *w, int *h) const ;
-  virtual void GetPositionConstraint(int *x, int *y) const ;

 
 

-private:
-  DECLARE_EVENT_TABLE()
+    DECLARE_DYNAMIC_CLASS(wxWindowGTK)
+    DECLARE_NO_COPY_CLASS(wxWindowGTK)

 };
 
 };
 

-#endif // __GTKWINDOWH__
+#endif // _WX_GTK_WINDOW_H_