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 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #if wxUSE_OWNER_DRAWN
  20     #include  "wx/ownerdrw.h"   // base class
  21 #endif
  22
  23 // ----------------------------------------------------------------------------
  24 // wxMenuItem: an item in the menu, optionally implements owner-drawn behaviour
  25 // ----------------------------------------------------------------------------
  26
  27 class WXDLLEXPORT wxMenuItem : public wxMenuItemBase
  28 #if wxUSE_OWNER_DRAWN
  29                              , public wxOwnerDrawn
  30 #endif
  31 {
  32 public:
  33     // ctor & dtor
  34     wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
  35                int id = wxID_SEPARATOR,
  36                const wxString& name = wxEmptyString,
  37                const wxString& help = wxEmptyString,
  38                wxItemKind kind = wxITEM_NORMAL,
  39                wxMenu *subMenu = (wxMenu *)NULL);
  40     virtual ~wxMenuItem();
  41
  42     // override base class virtuals
  43     virtual void SetItemLabel(const wxString& strName);
  44     virtual void SetCheckable(bool checkable);
  45
  46     virtual void Enable(bool bDoEnable = true);
  47     virtual void Check(bool bDoCheck = true);
  48     virtual bool IsChecked() const;
  49
  50     // unfortunately needed to resolve ambiguity between
  51     // wxMenuItemBase::IsCheckable() and wxOwnerDrawn::IsCheckable()
  52     bool IsCheckable() const { return wxMenuItemBase::IsCheckable(); }
  53
  54     // the id for a popup menu is really its menu handle (as required by
  55     // ::AppendMenu() API), so this function will return either the id or the
  56     // menu handle depending on what we are
  57     //
  58     // notice that it also returns the id as an unsigned int, as required by
  59     // Win32 API
  60     WXWPARAM GetMSWId() const;
  61
  62     // mark item as belonging to the given radio group
  63     void SetAsRadioGroupStart();
  64     void SetRadioGroupStart(int start);
  65     void SetRadioGroupEnd(int end);
  66
  67     // compatibility only, don't use in new code
  68     wxMenuItem(wxMenu *parentMenu,
  69                int id,
  70                const wxString& text,
  71                const wxString& help,
  72                bool isCheckable,
  73                wxMenu *subMenu = (wxMenu *)NULL);
  74
  75 private:
  76     // common part of all ctors
  77     void Init();
  78
  79     // the positions of the first and last items of the radio group this item
  80     // belongs to or -1: start is the radio group start and is valid for all
  81     // but first radio group items (m_isRadioGroupStart == false), end is valid
  82     // only for the first one
  83     union
  84     {
  85         int start;
  86         int end;
  87     } m_radioGroup;
  88
  89     // does this item start a radio group?
  90     bool m_isRadioGroupStart;
  91
  92     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuItem)
  93 };
  94
  95 #endif  //_MENUITEM_H