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 // forward declarations
  23 // ----------------------------------------------------------------------------
  24
  25 class WXDLLEXPORT wxAcceleratorEntry;
  26 class WXDLLEXPORT wxMenuItem;
  27 class WXDLLEXPORT wxMenu;
  28
  29 // ----------------------------------------------------------------------------
  30 // wxMenuItem is an item in the menu which may be either a normal item, a sub
  31 // menu or a separator
  32 // ----------------------------------------------------------------------------
  33
  34 class WXDLLEXPORT wxMenuItemBase : public wxObject
  35 {
  36 public:
  37     // creation
  38     static wxMenuItem *New(wxMenu *parentMenu = (wxMenu *)NULL,
  39                            int id = wxID_SEPARATOR,
  40                            const wxString& text = wxEmptyString,
  41                            const wxString& help = wxEmptyString,
  42                            bool isCheckable = FALSE,
  43                            wxMenu *subMenu = (wxMenu *)NULL);
  44
  45     // destruction: wxMenuItem will delete its submenu
  46     virtual ~wxMenuItemBase();
  47
  48     // the menu we're in
  49     wxMenu *GetMenu() const { return m_parentMenu; }
  50
  51     // get/set id
  52     void SetId(int id) { m_id = id; }
  53     int  GetId() const { return m_id; }
  54     bool IsSeparator() const { return m_id == wxID_SEPARATOR; }
  55
  56     // the item's text (or name)
  57     //
  58     // NB: the item's text includes the accelerators and mnemonics info (if
  59     //     any), i.e. it may contain '&' or '_' or "\t..." and thus is
  60     //     different from the item's label which only contains the text shown
  61     //     in the menu
  62     virtual void SetText(const wxString& str) { m_text = str; }
  63     wxString GetLabel() const { return GetLabelFromText(m_text); }
  64     const wxString& GetText() const { return m_text; }
  65
  66     // get the label from text (implemented in platform-specific code)
  67     static wxString GetLabelFromText(const wxString& text);
  68
  69     // what kind of menu item we are
  70     virtual void SetCheckable(bool checkable) { m_isCheckable = checkable; }
  71     bool IsCheckable() const { return m_isCheckable; }
  72
  73     bool IsSubMenu() const { return m_subMenu != NULL; }
  74     void SetSubMenu(wxMenu *menu) { m_subMenu = menu; }
  75     wxMenu *GetSubMenu() const { return m_subMenu; }
  76
  77     // state
  78     virtual void Enable(bool enable = TRUE) { m_isEnabled = enable; }
  79     virtual bool IsEnabled() const { return m_isEnabled; }
  80
  81     virtual void Check(bool check = TRUE) { m_isChecked = check; }
  82     virtual bool IsChecked() const { return m_isChecked; }
  83     void Toggle() { Check(!m_isChecked); }
  84
  85     // help string (displayed in the status bar by default)
  86     void SetHelp(const wxString& str) { m_help = str; }
  87     const wxString& GetHelp() const { return m_help; }
  88
  89 #if wxUSE_ACCEL
  90     // get our accelerator or NULL (caller must delete the pointer)
  91     virtual wxAcceleratorEntry *GetAccel() const { return NULL; }
  92
  93     // set the accel for this item - this may also be done indirectly with
  94     // SetText()
  95     virtual void SetAccel(wxAcceleratorEntry *accel);
  96 #endif // wxUSE_ACCEL
  97
  98     // compatibility only, use new functions in the new code
  99     void SetName(const wxString& str) { SetText(str); }
 100     const wxString& GetName() const { return GetText(); }
 101
 102 protected:
 103     int           m_id;             // numeric id of the item >= 0 or -1
 104     wxMenu       *m_parentMenu,     // the menu we belong to
 105                  *m_subMenu;        // our sub menu or NULL
 106     wxString      m_text,           // label of the item
 107                   m_help;           // the help string for the item
 108     bool          m_isCheckable;    // can be checked?
 109     bool          m_isChecked;      // is checked?
 110     bool          m_isEnabled;      // is enabled?
 111
 112     // some compilers need a default constructor here, do not remove
 113     wxMenuItemBase() { }
 114
 115 private:
 116     // and, if we have one ctor, compiler won't generate a default copy one, so
 117     // declare them ourselves - but don't implement as they shouldn't be used
 118     wxMenuItemBase(const wxMenuItemBase& item);
 119     wxMenuItemBase& operator=(const wxMenuItemBase& item);
 120 };
 121
 122 // ----------------------------------------------------------------------------
 123 // include the real class declaration
 124 // ----------------------------------------------------------------------------
 125
 126 #ifdef wxUSE_BASE_CLASSES_ONLY
 127     #define wxMenuItem wxMenuItemBase
 128 #else // !wxUSE_BASE_CLASSES_ONLY
 129 #if defined(__WXMSW__)
 130     #include "wx/msw/menuitem.h"
 131 #elif defined(__WXMOTIF__)
 132     #include "wx/motif/menuitem.h"
 133 #elif defined(__WXGTK__)
 134     #include "wx/gtk/menuitem.h"
 135 #elif defined(__WXQT__)
 136     #include "wx/qt/menuitem.h"
 137 #elif defined(__WXMAC__)
 138     #include "wx/mac/menuitem.h"
 139 #elif defined(__WXPM__)
 140     #include "wx/os2/menuitem.h"
 141 #elif defined(__WXSTUBS__)
 142     #include "wx/stubs/menuitem.h"
 143 #endif
 144 #endif // wxUSE_BASE_CLASSES_ONLY/!wxUSE_BASE_CLASSES_ONLY
 145
 146 #endif
 147     // _WX_MENUITEM_H_BASE_