src/osx/carbon/choice.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/choice.cpp
   3 // Purpose:     wxChoice
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_CHOICE
  14
  15 #include "wx/choice.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/menu.h"
  19     #include "wx/dcclient.h"
  20 #endif
  21
  22 #include "wx/osx/private.h"
  23
  24 // adapt the number offset (mac menu are 1 based)
  25
  26 class wxMacChoiceCarbonControl : public wxMacControl
  27 {
  28 public :
  29     wxMacChoiceCarbonControl( wxWindowMac* peer ) : wxMacControl( peer )
  30     {
  31     }
  32
  33     void SetValue(wxInt32 v)
  34     {
  35         wxMacControl::SetValue( v + 1 );
  36     }
  37
  38     wxInt32 GetValue() const
  39     {
  40         return wxMacControl::GetValue() - 1;
  41     }
  42  };
  43
  44 wxWidgetImplType* wxWidgetImpl::CreateChoice( wxWindowMac* wxpeer,
  45                                     wxWindowMac* parent,
  46                                     wxWindowID WXUNUSED(id),
  47                                     wxMenu* menu,
  48                                     const wxPoint& pos,
  49                                     const wxSize& size,
  50                                     long WXUNUSED(style),
  51                                     long WXUNUSED(extraStyle))
  52 {
  53     Rect bounds = wxMacGetBoundsForControl( wxpeer , pos , size );
  54
  55     wxMacControl* peer = new wxMacChoiceCarbonControl( wxpeer ) ;
  56     OSStatus err = CreatePopupButtonControl(
  57         MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") ,
  58         -12345 , false /* no variable width */ , 0 , 0 , 0 , peer->GetControlRefAddr() );
  59     verify_noerr( err );
  60
  61     peer->SetData<MenuHandle>( kControlNoPart , kControlPopupButtonMenuHandleTag , (MenuHandle) menu->GetHMenu() ) ;
  62     return peer;
  63 }
  64
  65 #endif // wxUSE_CHOICE