include/wx/msw/menuitem.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        menuitem.h
   3 // Purpose:     wxMenuItem class
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     11.11.97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef   _MENUITEM_H
  13 #define   _MENUITEM_H
  14
  15 #ifdef __GNUG__
  16     #pragma interface "menuitem.h"
  17 #endif
  18
  19 // ----------------------------------------------------------------------------
  20 // headers
  21 // ----------------------------------------------------------------------------
  22
  23 #if wxUSE_OWNER_DRAWN
  24     #include  "wx/ownerdrw.h"   // base class
  25 #endif
  26
  27 // ----------------------------------------------------------------------------
  28 // wxMenuItem: an item in the menu, optionally implements owner-drawn behaviour
  29 // ----------------------------------------------------------------------------
  30
  31 class WXDLLEXPORT wxMenuItem : public wxMenuItemBase
  32 #if wxUSE_OWNER_DRAWN
  33                              , public wxOwnerDrawn
  34 #endif
  35 {
  36 public:
  37     // ctor & dtor
  38     wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
  39                int id = wxID_SEPARATOR,
  40                const wxString& name = wxEmptyString,
  41                const wxString& help = wxEmptyString,
  42                wxItemKind kind = wxITEM_NORMAL,
  43                wxMenu *subMenu = (wxMenu *)NULL);
  44     virtual ~wxMenuItem();
  45
  46     // override base class virtuals
  47     virtual void SetText(const wxString& strName);
  48     virtual void SetCheckable(bool checkable);
  49
  50     virtual void Enable(bool bDoEnable = TRUE);
  51     virtual void Check(bool bDoCheck = TRUE);
  52     virtual bool IsChecked() const;
  53
  54     // unfortunately needed to resolve ambiguity between
  55     // wxMenuItemBase::IsCheckable() and wxOwnerDrawn::IsCheckable()
  56     bool IsCheckable() const { return wxMenuItemBase::IsCheckable(); }
  57
  58     // the id for a popup menu is really its menu handle (as required by
  59     // ::AppendMenu() API), so this function will return either the id or the
  60     // menu handle depending on what we're
  61     int GetRealId() const;
  62
  63     // mark item as belonging to the given radio group
  64     void SetAsRadioGroupStart();
  65     void SetRadioGroupStart(int start);
  66     void SetRadioGroupEnd(int end);
  67
  68     // compatibility only, don't use in new code
  69     wxMenuItem(wxMenu *parentMenu,
  70                int id,
  71                const wxString& text,
  72                const wxString& help,
  73                bool isCheckable,
  74                wxMenu *subMenu = (wxMenu *)NULL);
  75
  76 private:
  77     // common part of all ctors
  78     void Init();
  79
  80     // the positions of the first and last items of the radio group this item
  81     // belongs to or -1: start is the radio group start and is valid for all
  82     // but first radio group items (m_isRadioGroupStart == FALSE), end is valid
  83     // only for the first one
  84     union
  85     {
  86         int start;
  87         int end;
  88     } m_radioGroup;
  89
  90     // does this item start a radio group?
  91     bool m_isRadioGroupStart;
  92
  93     DECLARE_DYNAMIC_CLASS(wxMenuItem)
  94 };
  95
  96 #endif  //_MENUITEM_H