sizer.h

A*算法 A*算法 A*算法 A*算法A*算法A*算法

    {   m_isShown = show;
        ShowItems(show);
    }
    bool IsShown() const { return m_isShown; }

protected:
    wxSize              m_size;
    wxSize              m_minSize;
    wxPoint             m_position;
    wxSizerItemList     m_children;
    bool                m_isShown;

    wxSize GetMaxWindowSize( wxWindow *window ) const;
    wxSize GetMinWindowSize( wxWindow *window );
    wxSize GetMaxClientSize( wxWindow *window ) const;
    wxSize GetMinClientSize( wxWindow *window );
    wxSize FitSize( wxWindow *window );
    wxSize VirtualFitSize( wxWindow *window );

    virtual void DoSetMinSize( int width, int height );
    virtual bool DoSetItemMinSize( wxWindow *window, int width, int height );
    virtual bool DoSetItemMinSize( wxSizer *sizer, int width, int height );
    virtual bool DoSetItemMinSize( size_t index, int width, int height );

private:
    DECLARE_CLASS(wxSizer)
};

//---------------------------------------------------------------------------
// wxGridSizer
//---------------------------------------------------------------------------

class WXDLLEXPORT wxGridSizer: public wxSizer
{
public:
    wxGridSizer( int rows, int cols, int vgap, int hgap );
    wxGridSizer( int cols, int vgap = 0, int hgap = 0 );

    virtual void RecalcSizes();
    virtual wxSize CalcMin();

    void SetCols( int cols )    { m_cols = cols; }
    void SetRows( int rows )    { m_rows = rows; }
    void SetVGap( int gap )     { m_vgap = gap; }
    void SetHGap( int gap )     { m_hgap = gap; }
    int GetCols() const         { return m_cols; }
    int GetRows() const         { return m_rows; }
    int GetVGap() const         { return m_vgap; }
    int GetHGap() const         { return m_hgap; }

protected:
    int    m_rows;
    int    m_cols;
    int    m_vgap;
    int    m_hgap;

    // return the number of total items and the number of columns and rows
    int CalcRowsCols(int& rows, int& cols) const;

    void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );

private:
    DECLARE_CLASS(wxGridSizer)
};

//---------------------------------------------------------------------------
// wxFlexGridSizer
//---------------------------------------------------------------------------

// the bevaiour for resizing wxFlexGridSizer cells in the "non-flexible"
// direction
enum wxFlexSizerGrowMode
{
    // don't resize the cells in non-flexible direction at all
    wxFLEX_GROWMODE_NONE,

    // uniformly resize only the specified ones (default)
    wxFLEX_GROWMODE_SPECIFIED,

    // uniformly resize all cells
    wxFLEX_GROWMODE_ALL
};

class WXDLLEXPORT wxFlexGridSizer: public wxGridSizer
{
public:
    // ctors/dtor
    wxFlexGridSizer( int rows, int cols, int vgap, int hgap );
    wxFlexGridSizer( int cols, int vgap = 0, int hgap = 0 );
    virtual ~wxFlexGridSizer();


    // set the rows/columns which will grow (the others will remain of the
    // constant initial size)
    void AddGrowableRow( size_t idx, int proportion = 0 );
    void RemoveGrowableRow( size_t idx );
    void AddGrowableCol( size_t idx, int proportion = 0 );
    void RemoveGrowableCol( size_t idx );


    // the sizer cells may grow in both directions, not grow at all or only
    // grow in one direction but not the other

    // the direction may be wxVERTICAL, wxHORIZONTAL or wxBOTH (default)
    void SetFlexibleDirection(int direction) { m_flexDirection = direction; }
    int GetFlexibleDirection() const { return m_flexDirection; }

    // note that the grow mode only applies to the direction which is not
    // flexible
    void SetNonFlexibleGrowMode(wxFlexSizerGrowMode mode) { m_growMode = mode; }
    wxFlexSizerGrowMode GetNonFlexibleGrowMode() const { return m_growMode; }

    // Read-only access to the row heights and col widths arrays
    const wxArrayInt& GetRowHeights() const { return m_rowHeights; }
    const wxArrayInt& GetColWidths() const  { return m_colWidths; }

    // implementation
    virtual void RecalcSizes();
    virtual wxSize CalcMin();

protected:
    void AdjustForFlexDirection();
    void AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
                            int nrows, int ncols);

    // the heights/widths of all rows/columns
    wxArrayInt  m_rowHeights,
                m_colWidths;

    // indices of the growable columns and rows
    wxArrayInt  m_growableRows,
                m_growableCols;

    // proportion values of the corresponding growable rows and columns
    wxArrayInt  m_growableRowsProportions,
                m_growableColsProportions;

    // parameters describing whether the growable cells should be resized in
    // both directions or only one
    int m_flexDirection;
    wxFlexSizerGrowMode m_growMode;

    // saves CalcMin result to optimize RecalcSizes
    wxSize m_calculatedMinSize;

private:
    DECLARE_CLASS(wxFlexGridSizer)
    DECLARE_NO_COPY_CLASS(wxFlexGridSizer)
};

//---------------------------------------------------------------------------
// wxBoxSizer
//---------------------------------------------------------------------------

class WXDLLEXPORT wxBoxSizer: public wxSizer
{
public:
    wxBoxSizer( int orient );

    void RecalcSizes();
    wxSize CalcMin();

    int GetOrientation() const
        { return m_orient; }

    void SetOrientation(int orient)
        { m_orient = orient; }

protected:
    int m_orient;
    int m_stretchable;
    int m_minWidth;
    int m_minHeight;
    int m_fixedWidth;
    int m_fixedHeight;

private:
    DECLARE_CLASS(wxBoxSizer)
};

//---------------------------------------------------------------------------
// wxStaticBoxSizer
//---------------------------------------------------------------------------

#if wxUSE_STATBOX

class WXDLLEXPORT wxStaticBox;

class WXDLLEXPORT wxStaticBoxSizer: public wxBoxSizer
{
public:
    wxStaticBoxSizer(wxStaticBox *box, int orient);
    wxStaticBoxSizer(int orient, wxWindow *win, const wxString& label = wxEmptyString);

    void RecalcSizes();
    wxSize CalcMin();

    wxStaticBox *GetStaticBox() const
        { return m_staticBox; }

    // override to hide/show the static box as well
    virtual void ShowItems (bool show);

protected:
    wxStaticBox   *m_staticBox;

private:
    DECLARE_CLASS(wxStaticBoxSizer)
    DECLARE_NO_COPY_CLASS(wxStaticBoxSizer)
};

#endif // wxUSE_STATBOX

#if wxUSE_BUTTON

class WXDLLEXPORT wxStdDialogButtonSizer: public wxBoxSizer
{
public:
    // Constructor just creates a new wxBoxSizer, not much else.
    // Box sizer orientation is automatically determined here:
    // vertical for PDAs, horizontal for everything else?
    wxStdDialogButtonSizer();

    // Checks button ID against system IDs and sets one of the pointers below
    // to this button. Does not do any sizer-related things here.
    void AddButton(wxButton *button);

    // Use these if no standard ID can/should be used
    void SetAffirmativeButton( wxButton *button );
    void SetNegativeButton( wxButton *button );
    void SetCancelButton( wxButton *button );

    // All platform-specific code here, checks which buttons exist and add
    // them to the sizer accordingly.
    // Note - one potential hack on Mac we could use here,
    // if m_buttonAffirmative is wxID_SAVE then ensure wxID_SAVE
    // is set to _("Save") and m_buttonNegative is set to _("Don't Save")
    // I wouldn't add any other hacks like that into here,
    // but this one I can see being useful.
    void Realize();

    wxButton *GetAffirmativeButton() const { return m_buttonAffirmative; }
    wxButton *GetApplyButton() const { return m_buttonApply; }
    wxButton *GetNegativeButton() const { return m_buttonNegative; }
    wxButton *GetCancelButton() const { return m_buttonCancel; }
    wxButton *GetHelpButton() const { return m_buttonHelp; }

protected:
    wxButton *m_buttonAffirmative;  // wxID_OK, wxID_YES, wxID_SAVE go here
    wxButton *m_buttonApply;
    wxButton *m_buttonNegative;     // wxID_NO
    wxButton *m_buttonCancel;
    wxButton *m_buttonHelp;

private:
    DECLARE_CLASS(wxStdDialogButtonSizer)
    DECLARE_NO_COPY_CLASS(wxStdDialogButtonSizer)
};

#endif // wxUSE_BUTTON

#if WXWIN_COMPATIBILITY_2_4
// NB: wxBookCtrlSizer and wxNotebookSizer are deprecated, they
//     don't do anything. wxBookCtrlBase::DoGetBestSize does the job now.

// ----------------------------------------------------------------------------
// wxBookCtrlSizer
// ----------------------------------------------------------------------------

#if wxUSE_BOOKCTRL

// this sizer works with wxNotebook/wxListbook/... and sizes the control to
// fit its pages
class WXDLLEXPORT wxBookCtrlBase;

class WXDLLEXPORT wxBookCtrlSizer : public wxSizer
{
public:
    wxDEPRECATED( wxBookCtrlSizer(wxBookCtrlBase *bookctrl) );

    wxBookCtrlBase *GetControl() const { return m_bookctrl; }

    virtual void RecalcSizes();
    virtual wxSize CalcMin();

protected:
    // this protected ctor lets us mark the real one above as deprecated
    // and still have warning-free build of the library itself:
    wxBookCtrlSizer() {}

    wxBookCtrlBase *m_bookctrl;

private:
    DECLARE_CLASS(wxBookCtrlSizer)
    DECLARE_NO_COPY_CLASS(wxBookCtrlSizer)
};


#if wxUSE_NOTEBOOK

// before wxBookCtrlBase we only had wxNotebookSizer, keep it for backwards
// compatibility
class WXDLLEXPORT wxNotebook;

class WXDLLEXPORT wxNotebookSizer : public wxBookCtrlSizer
{
public:
    wxDEPRECATED( wxNotebookSizer(wxNotebook *nb) );

    wxNotebook *GetNotebook() const { return (wxNotebook *)m_bookctrl; }

private:
    DECLARE_CLASS(wxNotebookSizer)
    DECLARE_NO_COPY_CLASS(wxNotebookSizer)
};

#endif // wxUSE_NOTEBOOK

#endif // wxUSE_BOOKCTRL

#endif // WXWIN_COMPATIBILITY_2_4

// ----------------------------------------------------------------------------
// inline functions implementation
// ----------------------------------------------------------------------------

inline wxSizerItem*
wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
{
    return Add( new wxSizerItem( window, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
{
    return Add( new wxSizerItem( sizer, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData )
{
    return Add( new wxSizerItem( width, height, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Add( wxWindow *window, const wxSizerFlags& flags )
{
    return Add( new wxSizerItem(window, flags) );
}

inline wxSizerItem*
wxSizer::Add( wxSizer *sizer, const wxSizerFlags& flags )
{
    return Add( new wxSizerItem(sizer, flags) );
}

inline wxSizerItem*
wxSizer::Add( wxSizerItem *item )
{
    return Insert( m_children.GetCount(), item );
}

inline wxSizerItem*
wxSizer::AddSpacer(int size)
{
    return Add(size, size);
}

inline wxSizerItem*
wxSizer::AddStretchSpacer(int prop)
{
    return Add(0, 0, prop);
}

inline wxSizerItem*
wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
{
    return Prepend( new wxSizerItem( window, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
{
    return Prepend( new wxSizerItem( sizer, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData )
{
    return Prepend( new wxSizerItem( width, height, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Prepend( wxSizerItem *item )
{
    return Insert( 0, item );
}

inline wxSizerItem*
wxSizer::PrependSpacer(int size)
{
    return Prepend(size, size);
}

inline wxSizerItem*
wxSizer::PrependStretchSpacer(int prop)
{
    return Prepend(0, 0, prop);
}

inline wxSizerItem*
wxSizer::Prepend( wxWindow *window, const wxSizerFlags& flags )
{
    return Prepend( new wxSizerItem(window, flags) );
}

inline wxSizerItem*
wxSizer::Prepend( wxSizer *sizer, const wxSizerFlags& flags )
{
    return Prepend( new wxSizerItem(sizer, flags) );
}

inline wxSizerItem*
wxSizer::Insert( size_t index,
                 wxWindow *window,
                 int proportion,
                 int flag,
                 int border,
                 wxObject* userData )
{
    return Insert( index, new wxSizerItem( window, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Insert( size_t index,
                 wxSizer *sizer,
                 int proportion,
                 int flag,
                 int border,
                 wxObject* userData )
{
    return Insert( index, new wxSizerItem( sizer, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Insert( size_t index,
                 int width,
                 int height,
                 int proportion,
                 int flag,
                 int border,
                 wxObject* userData )
{
    return Insert( index, new wxSizerItem( width, height, proportion, flag, border, userData ) );
}

inline wxSizerItem*
wxSizer::Insert( size_t index, wxWindow *window, const wxSizerFlags& flags )
{
    return Insert( index, new wxSizerItem(window, flags) );
}

inline wxSizerItem*
wxSizer::Insert( size_t index, wxSizer *sizer, const wxSizerFlags& flags )
{
    return Insert( index, new wxSizerItem(sizer, flags) );
}

inline wxSizerItem*
wxSizer::InsertSpacer(size_t index, int size)
{
    return Insert(index, size, size);
}

inline wxSizerItem*
wxSizer::InsertStretchSpacer(size_t index, int prop)
{
    return Insert(index, 0, 0, prop);
}


#endif // __WXSIZER_H__