include/wx/menuitem.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/menuitem.h
   3 // Purpose:     wxMenuItem class
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     25.10.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MENUITEM_H_BASE_
  13 #define _WX_MENUITEM_H_BASE_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/object.h"  // base class
  20
  21 // ----------------------------------------------------------------------------
  22 // constants
  23 // ----------------------------------------------------------------------------
  24
  25 // id for a separator line in the menu (invalid for normal item)
  26 #define wxID_SEPARATOR (-1)
  27
  28 #ifndef ID_SEPARATOR    // for compatibility only, don't use in new code
  29     #define ID_SEPARATOR    wxID_SEPARATOR
  30 #endif
  31
  32 // ----------------------------------------------------------------------------
  33 // forward declarations
  34 // ----------------------------------------------------------------------------
  35
  36 class WXDLLEXPORT wxAcceleratorEntry;
  37 class WXDLLEXPORT wxMenuItem;
  38 class WXDLLEXPORT wxMenu;
  39
  40 // ----------------------------------------------------------------------------
  41 // wxMenuItem is an item in the menu which may be either a normal item, a sub
  42 // menu or a separator
  43 // ----------------------------------------------------------------------------
  44
  45 class WXDLLEXPORT wxMenuItemBase : public wxObject
  46 {
  47 public:
  48     // some compilers need a default constructor here, do not use
  49     wxMenuItemBase()
  50         { wxFAIL_MSG( wxT("illegal call") ); }
  51
  52     // creation
  53     static wxMenuItem *New(wxMenu *parentMenu = (wxMenu *)NULL,
  54                            int id = wxID_SEPARATOR,
  55                            const wxString& text = wxEmptyString,
  56                            const wxString& help = wxEmptyString,
  57                            bool isCheckable = FALSE,
  58                            wxMenu *subMenu = (wxMenu *)NULL);
  59
  60     // destruction: wxMenuItem will delete its submenu
  61     virtual ~wxMenuItemBase();
  62
  63     // the menu we're in
  64     wxMenu *GetMenu() const { return m_parentMenu; }
  65
  66     // get/set id
  67     void SetId(int id) { m_id = id; }
  68     int  GetId() const { return m_id; }
  69     bool IsSeparator() const { return m_id == wxID_SEPARATOR; }
  70
  71     // the item's text (or name)
  72     //
  73     // NB: the item's text includes the accelerators and mnemonics info (if
  74     //     any), i.e. it may contain '&' or '_' or "\t..." and thus is
  75     //     different from the item's label which only contains the text shown
  76     //     in the menu
  77     virtual void SetText(const wxString& str) { m_text = str; }
  78     virtual wxString GetLabel() const { return m_text; }
  79     const wxString& GetText() const { return m_text; }
  80
  81     // what kind of menu item we are
  82     virtual void SetCheckable(bool checkable) { m_isCheckable = checkable; }
  83     bool IsCheckable() const { return m_isCheckable; }
  84
  85     bool IsSubMenu() const { return m_subMenu != NULL; }
  86     void SetSubMenu(wxMenu *menu) { m_subMenu = menu; }
  87     wxMenu *GetSubMenu() const { return m_subMenu; }
  88
  89     // state
  90     virtual void Enable(bool enable = TRUE) { m_isEnabled = enable; }
  91     virtual bool IsEnabled() const { return m_isEnabled; }
  92
  93     virtual void Check(bool check = TRUE) { m_isChecked = check; }
  94     virtual bool IsChecked() const { return m_isChecked; }
  95     void Toggle() { Check(!m_isChecked); }
  96
  97     // help string (displayed in the status bar by default)
  98     void SetHelp(const wxString& str) { m_help = str; }
  99     const wxString& GetHelp() const { return m_help; }
 100
 101 #if wxUSE_ACCEL
 102     // get our accelerator or NULL (caller must delete the pointer)
 103     virtual wxAcceleratorEntry *GetAccel() const { return NULL; }
 104
 105     // set the accel for this item - this may also be done indirectly with
 106     // SetText()
 107     virtual void SetAccel(wxAcceleratorEntry *accel);
 108 #endif // wxUSE_ACCEL
 109
 110     // compatibility only, use new functions in the new code
 111     void SetName(const wxString& str) { SetText(str); }
 112     const wxString& GetName() const { return GetText(); }
 113
 114 protected:
 115     int           m_id;             // numeric id of the item >= 0 or -1
 116     wxMenu       *m_parentMenu,     // the menu we belong to
 117                  *m_subMenu;        // our sub menu or NULL
 118     wxString      m_text,           // label of the item
 119                   m_help;           // the help string for the item
 120     bool          m_isCheckable;    // can be checked?
 121     bool          m_isChecked;      // is checked?
 122     bool          m_isEnabled;      // is enabled?
 123 };
 124
 125 // ----------------------------------------------------------------------------
 126 // include the real class declaration
 127 // ----------------------------------------------------------------------------
 128
 129 #ifdef wxUSE_BASE_CLASSES_ONLY
 130     #define wxMenuItem wxMenuItemBase
 131 #else // !wxUSE_BASE_CLASSES_ONLY
 132 #if defined(__WXMSW__)
 133     #include "wx/msw/menuitem.h"
 134 #elif defined(__WXMOTIF__)
 135     #include "wx/motif/menuitem.h"
 136 #elif defined(__WXGTK__)
 137     #include "wx/gtk/menuitem.h"
 138 #elif defined(__WXQT__)
 139     #include "wx/qt/menuitem.h"
 140 #elif defined(__WXMAC__)
 141     #include "wx/mac/menuitem.h"
 142 #elif defined(__WXPM__)
 143     #include "wx/os2/menuitem.h"
 144 #elif defined(__WXSTUBS__)
 145     #include "wx/stubs/menuitem.h"
 146 #endif
 147 #endif // wxUSE_BASE_CLASSES_ONLY/!wxUSE_BASE_CLASSES_ONLY
 148
 149 #endif
 150     // _WX_MENUITEM_H_BASE_