Test m_nowpeer pointer before using it.

[wxWidgets.git] / src / osx / cocoa / choice.mm

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/cocoa/choice.mm
// Purpose:     wxChoice
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: choice.cpp 54129 2008-06-11 19:30:52Z SC $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxUSE_CHOICE

#include "wx/choice.h"

#ifndef WX_PRECOMP
    #include "wx/menu.h"
    #include "wx/dcclient.h"
#endif

#include "wx/osx/private.h"

@interface wxNSPopUpButton : NSPopUpButton
{
}

@end

@implementation wxNSPopUpButton

+ (void)initialize
{
    static BOOL initialized = NO;
    if (!initialized)
    {
        initialized = YES;
        wxOSXCocoaClassAddWXMethods( self );
    }
}

- (int) intValue
{
   return [self indexOfSelectedItem];
}

- (void) setIntValue: (int) v
{
    [self selectItemAtIndex:v];
}

@end

wxWidgetImplType* wxWidgetImpl::CreateChoice( wxWindowMac* wxpeer,
                                    wxWindowMac* WXUNUSED(parent),
                                    wxWindowID WXUNUSED(id),
                                    wxMenu* menu,
                                    const wxPoint& pos,
                                    const wxSize& size,
                                    long WXUNUSED(style),
                                    long WXUNUSED(extraStyle))
{
    NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
    wxNSPopUpButton* v = [[wxNSPopUpButton alloc] initWithFrame:r pullsDown:NO];
    [v setMenu: menu->GetHMenu()];
    [v setAutoenablesItems:NO];
    wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
    return c;
}

#endif // wxUSE_CHOICE