window.h

wxWidgets 是一个跨平台的 GUI 框架。它给开发人员提供了统一的接口

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/mac/carbon/window.h
// Purpose:     wxWindowMac class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: window.h,v 1.5 2005/11/07 14:37:13 ABX Exp $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_WINDOW_H_
#define _WX_WINDOW_H_

#include "wx/brush.h"

// ---------------------------------------------------------------------------
// forward declarations
// ---------------------------------------------------------------------------

class WXDLLEXPORT wxButton;
class WXDLLEXPORT wxScrollBar;
class WXDLLEXPORT wxTopLevelWindowMac;

// ---------------------------------------------------------------------------
// constants
// ---------------------------------------------------------------------------

class WXDLLEXPORT wxWindowMac: public wxWindowBase
{
    DECLARE_DYNAMIC_CLASS(wxWindowMac)

    friend class wxDC;
    friend class wxPaintDC;

public:

    wxWindowMac()
        : m_macBackgroundBrush()
        , m_macVisibleRegion()
        , m_x(0), m_y(0), m_width(0), m_height(0)
        , m_hScrollBar(NULL), m_vScrollBar(NULL)
        , m_label(wxEmptyString)
        { Init(); }

    wxWindowMac(wxWindowMac *parent,
                wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = 0,
                const wxString& name = wxPanelNameStr)
    {
        Init();
        Create(parent, id, pos, size, style, name);
    }

    virtual ~wxWindowMac();

    bool Create(wxWindowMac *parent,
                wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = 0,
                const wxString& name = wxPanelNameStr);


    // implement base class pure virtuals
    virtual void SetLabel( const wxString& title);
    virtual wxString GetLabel() const;

    virtual void Raise();
    virtual void Lower();

    virtual bool Show( bool show = true );
    virtual bool Enable( bool enable = true );

    virtual void SetFocus();

    virtual void WarpPointer(int x, int y);

    virtual void Refresh( bool eraseBackground = true,
                          const wxRect *rect = (const wxRect *) NULL );

    virtual bool SetCursor( const wxCursor &cursor );
    virtual bool SetFont(const wxFont& font)
           { return wxWindowBase::SetFont(font); }
    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 bool DoPopupMenu( wxMenu *menu, int x, int y );

    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 );

#if wxUSE_DRAG_AND_DROP
    virtual void SetDropTarget( wxDropTarget *dropTarget );
#endif // wxUSE_DRAG_AND_DROP

    // Accept files for dragging
    virtual void DragAcceptFiles(bool accept);

    // Native resource loading (implemented in src/msw/nativdlg.cpp)
    // FIXME: should they really be all virtual?
    wxWindowMac* GetWindowChild1(wxWindowID id);
    wxWindowMac* GetWindowChild(wxWindowID id);

    // implementation from now on
    // --------------------------

    void MacClientToRootWindow( int *x , int *y ) const ;
    void MacRootWindowToClient( int *x , int *y ) const ;
    void MacWindowToRootWindow( int *x , int *y ) const ;
    void MacRootWindowToWindow( int *x , int *y ) const ;

    virtual wxString MacGetToolTipString( wxPoint &where ) ;

    // simple accessors
    // ----------------

//    WXHWND GetHWND() const { return m_hWnd; }
//    void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
    virtual WXWidget GetHandle() const { return (WXWidget) NULL ; }

    bool GetTransparentBackground() const { return m_backgroundTransparent; }
    void SetTransparent(bool t = true) { m_backgroundTransparent = t; }

    // event handlers
    // --------------
    void OnSetFocus(wxFocusEvent& event) ;
    void OnNcPaint(wxNcPaintEvent& event);
    void OnEraseBackground(wxEraseEvent& event);
    void OnMouseEvent( wxMouseEvent &event ) ;

    void MacOnScroll(wxScrollEvent&event ) ;

    bool AcceptsFocus() const ;

public:
    void OnInternalIdle();

    // For implementation purposes - sometimes decorations make the client area
    // smaller
    virtual wxPoint GetClientAreaOrigin() const;

    wxWindowMac *FindItem(long id) const;
    wxWindowMac *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const;

    // Make a Windows extended style from the given wxWidgets window style
    static WXDWORD MakeExtendedStyle(long style,
                                     bool eliminateBorders = true);
    // Determine whether 3D effects are wanted
    WXDWORD Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D) const;

    // MSW only: true if this control is part of the main control
    virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; };

    // Setup background and foreground colours correctly
    virtual void SetupColours();

public:
    static bool          MacGetWindowFromPoint( const wxPoint &point , wxWindowMac** outWin ) ;
    virtual bool         MacGetWindowFromPointSub( const wxPoint &point , wxWindowMac** outWin ) ;
    virtual void         MacRedraw( WXHRGN updatergn , long time , bool erase) ;
    virtual bool         MacCanFocus() const { return true ; }

    virtual bool         MacDispatchMouseEvent(wxMouseEvent& event ) ;
    // this should not be overriden in classes above wxWindowMac because it is called from its destructor via DeleteChildren
    virtual void         RemoveChild( wxWindowBase *child );
    virtual void         MacPaintBorders( int left , int top ) ;
    WXWindow             MacGetRootWindow() const  ;
    wxTopLevelWindowMac* MacGetTopLevelWindow() const ;

    virtual WXWidget     MacGetContainerForEmbedding() ;

    virtual long         MacGetLeftBorderSize() const ;
    virtual long         MacGetRightBorderSize() const ;
    virtual long         MacGetTopBorderSize() const ;
    virtual long         MacGetBottomBorderSize() const ;

    static long          MacRemoveBordersFromStyle( long style ) ;
    virtual void         MacSuperChangedPosition() ;
    // the absolute coordinates of this item within the toplevel window may have changed
    virtual void         MacUpdateDimensions() {}
    // the absolute coortinates of this window's root have changed
    virtual void         MacTopLevelWindowChangedPosition() ;
    virtual void         MacSuperShown( bool show ) ;
    virtual void         MacSuperEnabled( bool enable ) ;
    bool                 MacIsReallyShown() const ;
    virtual void         Update() ;
    // for compatibility
    void                 MacUpdateImmediately() { Update() ; }
    virtual bool         MacSetupCursor( const wxPoint& pt ) ;

//    virtual bool         MacSetPortDrawingParams( const Point & localOrigin, const Rect & clipRect, WindowRef window , wxWindowMac* rootwin )  ;
//    virtual void         MacGetPortParams(Point* localOrigin, Rect* clipRect, WindowRef *window , wxWindowMac** rootwin ) ;
//    virtual void         MacGetPortClientParams(Point* localOrigin, Rect* clipRect, WindowRef *window  , wxWindowMac** rootwin) ;
    const wxBrush&       MacGetBackgroundBrush() ;
    const wxRegion&      MacGetVisibleRegion( bool respectChildrenAndSiblings = true ) ;
    bool                 MacIsWindowScrollbar( const wxScrollBar* sb )
        { return (m_hScrollBar == sb || m_vScrollBar == sb) ; }
    static wxWindowMac*  s_lastMouseWindow ;
private:
protected:
    wxBrush              m_macBackgroundBrush ;
    wxRegion             m_macVisibleRegion ;
    int                  m_x ;
    int                  m_y ;
    int                  m_width ;
    int                  m_height ;

    wxScrollBar*         m_hScrollBar ;
    wxScrollBar*         m_vScrollBar ;
    wxString             m_label ;

    void                 MacCreateScrollBars( long style ) ;
    void                 MacRepositionScrollBars() ;

    bool                 m_backgroundTransparent ;

    // 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 DoCaptureMouse();
    virtual void DoReleaseMouse();

    // move the window to the specified location and resize it: this is called
    // from both DoSetSize() and DoSetClientSize() and would usually just call
    // ::MoveWindow() 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);

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

private:
    // common part of all ctors
    void Init();

    DECLARE_NO_COPY_CLASS(wxWindowMac)
    DECLARE_EVENT_TABLE()
};

#endif
    // _WX_WINDOW_H_