Fix memory leak by letting the base class version handle the

[wxWidgets.git] / include / wx / mac / carbon / listbox.h

/////////////////////////////////////////////////////////////////////////////
// Name:        listbox.h
// Purpose:     wxListBox class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWidgets licence
/////////////////////////////////////////////////////////////////////////////


#ifndef _WX_LISTBOX_H_
#define _WX_LISTBOX_H_

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
    #pragma interface "listbox.h"
#endif

// ----------------------------------------------------------------------------
// simple types
// ----------------------------------------------------------------------------
#include  "wx/dynarray.h"
#include  "wx/arrstr.h"

#if wxUSE_OWNER_DRAWN
  class WXDLLEXPORT wxOwnerDrawn;

  // define the array of list box items
  #include  "wx/dynarray.h"

  WX_DEFINE_EXPORTED_ARRAY(wxOwnerDrawn *, wxListBoxItemsArray);
#endif // wxUSE_OWNER_DRAWN

// forward decl for GetSelections()
class wxArrayInt;

// List box item

WX_DEFINE_ARRAY( char * , wxListDataArray ) ;

// ----------------------------------------------------------------------------
// List box control
// ----------------------------------------------------------------------------

class WXDLLEXPORT wxListBox : public wxListBoxBase
{
public:
    // ctors and such
    wxListBox();
    wxListBox(wxWindow *parent, wxWindowID id,
            const wxPoint& pos = wxDefaultPosition,
            const wxSize& size = wxDefaultSize,
            int n = 0, const wxString choices[] = NULL,
            long style = 0,
            const wxValidator& validator = wxDefaultValidator,
            const wxString& name = wxListBoxNameStr)
    {
        Create(parent, id, pos, size, n, choices, style, validator, name);
    }
    wxListBox(wxWindow *parent, wxWindowID id,
            const wxPoint& pos,
            const wxSize& size,
            const wxArrayString& choices,
            long style = 0,
            const wxValidator& validator = wxDefaultValidator,
            const wxString& name = wxListBoxNameStr)
    {
        Create(parent, id, pos, size, choices, style, validator, name);
    }

    bool Create(wxWindow *parent, wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                int n = 0, const wxString choices[] = NULL,
                long style = 0,
                const wxValidator& validator = wxDefaultValidator,
                const wxString& name = wxListBoxNameStr);
    bool Create(wxWindow *parent, wxWindowID id,
                const wxPoint& pos,
                const wxSize& size,
                const wxArrayString& choices,
                long style = 0,
                const wxValidator& validator = wxDefaultValidator,
                const wxString& name = wxListBoxNameStr);

    virtual ~wxListBox();
    virtual void Refresh(bool eraseBack = TRUE, const wxRect *rect = NULL);
    
    // implement base class pure virtuals
    virtual void Clear();
    virtual void Delete(int n);

    virtual int GetCount() const;
    virtual wxString GetString(int n) const;
    virtual void SetString(int n, const wxString& s);
    virtual int FindString(const wxString& s) const;

    virtual bool IsSelected(int n) const;
    virtual void SetSelection(int n, bool select = TRUE);
    virtual int GetSelection() const;
    virtual int GetSelections(wxArrayInt& aSelections) const;

    virtual int DoAppend(const wxString& item);
    virtual void DoInsertItems(const wxArrayString& items, int pos);
    virtual void DoSetItems(const wxArrayString& items, void **clientData);

    virtual void DoSetFirstItem(int n);

    virtual void DoSetItemClientData(int n, void* clientData);
    virtual void* DoGetItemClientData(int n) const;
    virtual void DoSetItemClientObject(int n, wxClientData* clientData);
    virtual wxClientData* DoGetItemClientObject(int n) const;
    virtual void       DoSetSize(int x, int y,int width, int height,int sizeFlags = wxSIZE_AUTO ) ;

    // wxCheckListBox support
#if wxUSE_OWNER_DRAWN
    // plug-in for derived classes
    virtual wxOwnerDrawn *CreateItem(size_t n);

    // allows to get the item and use SetXXX functions to set it's appearance
    wxOwnerDrawn *GetItem(size_t n) const { return m_aItems[n]; }

    // get the index of the given item
    int GetItemIndex(wxOwnerDrawn *item) const { return m_aItems.Index(item); }
#endif // wxUSE_OWNER_DRAWN

    // Windows callbacks
#if !__WXMAC_OSX__
    void OnChar(wxKeyEvent& event);
#endif

    void*           m_macList ;
    wxArrayString   m_stringArray ;
    wxListDataArray m_dataArray ;
    wxArrayInt      m_selectionPreImage ;
    wxArrayLong     m_idArray ;
    wxUint32        m_nextId ;
    
    void            MacSetRedraw( bool doDraw ) ;
protected:
    void            MacDelete( int n ) ;
    void            MacInsert( int n , const wxString& item) ;
    void            MacAppend( const wxString& item) ;
    void            MacSet( int n , const wxString& item ) ;
    void            MacClear() ;
    void            MacSetSelection( int n , bool select ) ;
    int             MacGetSelection() const ;
    int             MacGetSelections(wxArrayInt& aSelections) const ;
    bool            MacIsSelected( int n ) const ;
    void            MacScrollTo( int n ) ;
#if !__WXMAC_OSX__
    void            OnSize( wxSizeEvent &size ) ;
#endif
    void            MacDoClick() ;
    void            MacDoDoubleClick() ;


    // free memory (common part of Clear() and dtor)
    // prevent collision with some BSD definitions of macro Free()   
    void FreeData();

    int m_noItems;
    int m_selected;
    wxString  m_typeIn ;
    long      m_lastTypeIn ;

    virtual wxSize DoGetBestSize() const;

#if wxUSE_OWNER_DRAWN
    // control items
    wxListBoxItemsArray m_aItems;
#endif

private:
    DECLARE_DYNAMIC_CLASS(wxListBox)
    DECLARE_EVENT_TABLE()
};

#endif
    // _WX_LISTBOX_H_