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: menuitem.h 49563 2007-10-31 20:46:21Z VZ $
8 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9 // Licence:     wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11 
12 #ifndef _WX_MENUITEM_H_BASE_
13 #define _WX_MENUITEM_H_BASE_
14 
15 #include "wx/defs.h"
16 
17 #if wxUSE_MENUS
18 
19 // ----------------------------------------------------------------------------
20 // headers
21 // ----------------------------------------------------------------------------
22 
23 #include "wx/object.h"  // base class
24 
25 // ----------------------------------------------------------------------------
26 // forward declarations
27 // ----------------------------------------------------------------------------
28 
29 class WXDLLIMPEXP_FWD_CORE wxAcceleratorEntry;
30 class WXDLLIMPEXP_FWD_CORE wxMenuItem;
31 class WXDLLIMPEXP_FWD_CORE wxMenu;
32 
33 // ----------------------------------------------------------------------------
34 // wxMenuItem is an item in the menu which may be either a normal item, a sub
35 // menu or a separator
36 // ----------------------------------------------------------------------------
37 
38 class WXDLLEXPORT wxMenuItemBase : public wxObject
39 {
40 public:
41     // creation
42     static wxMenuItem *New(wxMenu *parentMenu = (wxMenu *)NULL,
43                            int itemid = wxID_SEPARATOR,
44                            const wxString& text = wxEmptyString,
45                            const wxString& help = wxEmptyString,
46                            wxItemKind kind = wxITEM_NORMAL,
47                            wxMenu *subMenu = (wxMenu *)NULL);
48 
49     // destruction: wxMenuItem will delete its submenu
50     virtual ~wxMenuItemBase();
51 
52     // the menu we're in
GetMenu()53     wxMenu *GetMenu() const { return m_parentMenu; }
SetMenu(wxMenu * menu)54     void SetMenu(wxMenu* menu) { m_parentMenu = menu; }
55 
56     // get/set id
SetId(int itemid)57     void SetId(int itemid) { m_id = itemid; }
GetId()58     int  GetId() const { return m_id; }
IsSeparator()59     bool IsSeparator() const { return m_id == wxID_SEPARATOR; }
60 
61     // the item's text (or name)
62     //
63     // NB: the item's text includes the accelerators and mnemonics info (if
64     //     any), i.e. it may contain '&' or '_' or "\t..." and thus is
65     //     different from the item's label which only contains the text shown
66     //     in the menu
67     virtual void SetText(const wxString& str);
68 
GetLabel()69     wxString GetLabel() const { return GetLabelFromText(m_text); }
GetText()70     const wxString& GetText() const { return m_text; }
71 
72     // get the label from text (implemented in platform-specific code)
73     static wxString GetLabelFromText(const wxString& text);
74 
75     // what kind of menu item we are
GetKind()76     wxItemKind GetKind() const { return m_kind; }
SetKind(wxItemKind kind)77     void SetKind(wxItemKind kind) { m_kind = kind; }
78 
SetCheckable(bool checkable)79     virtual void SetCheckable(bool checkable) { m_kind = checkable ? wxITEM_CHECK : wxITEM_NORMAL; }
IsCheckable()80     bool IsCheckable() const
81         { return m_kind == wxITEM_CHECK || m_kind == wxITEM_RADIO; }
82 
IsSubMenu()83     bool IsSubMenu() const { return m_subMenu != NULL; }
SetSubMenu(wxMenu * menu)84     void SetSubMenu(wxMenu *menu) { m_subMenu = menu; }
GetSubMenu()85     wxMenu *GetSubMenu() const { return m_subMenu; }
86 
87     // state
88     virtual void Enable(bool enable = true) { m_isEnabled = enable; }
IsEnabled()89     virtual bool IsEnabled() const { return m_isEnabled; }
90 
91     virtual void Check(bool check = true) { m_isChecked = check; }
IsChecked()92     virtual bool IsChecked() const { return m_isChecked; }
Toggle()93     void Toggle() { Check(!m_isChecked); }
94 
95     // help string (displayed in the status bar by default)
96     void SetHelp(const wxString& str);
GetHelp()97     const wxString& GetHelp() const { return m_help; }
98 
99 #if wxUSE_ACCEL
100     // extract the accelerator from the given menu string, return NULL if none
101     // found
102     static wxAcceleratorEntry *GetAccelFromString(const wxString& label);
103 
104     // get our accelerator or NULL (caller must delete the pointer)
105     virtual wxAcceleratorEntry *GetAccel() const;
106 
107     // set the accel for this item - this may also be done indirectly with
108     // SetText()
109     virtual void SetAccel(wxAcceleratorEntry *accel);
110 #endif // wxUSE_ACCEL
111 
112     // compatibility only, use new functions in the new code
SetName(const wxString & str)113     void SetName(const wxString& str) { SetText(str); }
GetName()114     const wxString& GetName() const { return GetText(); }
115 
116     static wxMenuItem *New(wxMenu *parentMenu,
117                            int itemid,
118                            const wxString& text,
119                            const wxString& help,
120                            bool isCheckable,
121                            wxMenu *subMenu = (wxMenu *)NULL)
122     {
123         return New(parentMenu, itemid, text, help,
124                    isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu);
125     }
126 
127 protected:
128     int           m_id;             // numeric id of the item >= 0 or wxID_ANY or wxID_SEPARATOR
129     wxMenu       *m_parentMenu,     // the menu we belong to
130                  *m_subMenu;        // our sub menu or NULL
131     wxString      m_text,           // label of the item
132                   m_help;           // the help string for the item
133     wxItemKind    m_kind;           // separator/normal/check/radio item?
134     bool          m_isChecked;      // is checked?
135     bool          m_isEnabled;      // is enabled?
136 
137     // this ctor is for the derived classes only, we're never created directly
138     wxMenuItemBase(wxMenu *parentMenu = (wxMenu *)NULL,
139                    int itemid = wxID_SEPARATOR,
140                    const wxString& text = wxEmptyString,
141                    const wxString& help = wxEmptyString,
142                    wxItemKind kind = wxITEM_NORMAL,
143                    wxMenu *subMenu = (wxMenu *)NULL);
144 
145 private:
146     // and, if we have one ctor, compiler won't generate a default copy one, so
147     // declare them ourselves - but don't implement as they shouldn't be used
148     wxMenuItemBase(const wxMenuItemBase& item);
149     wxMenuItemBase& operator=(const wxMenuItemBase& item);
150 
151 public:
152 
153 #if wxABI_VERSION >= 20805
154     // Sets the label. This function replaces SetText.
SetItemLabel(const wxString & str)155     void SetItemLabel(const wxString& str) { SetText(str); }
156 
157     // return the item label including any mnemonics and accelerators.
158     // This used to be called GetText.
159     // We can't implement this in the base class (no new virtuals in stable branch)
160     // wxString GetItemLabel() const;
161 
162     // return just the text of the item label, without any mnemonics
163     // This used to be called GetLabel.
GetItemLabelText()164     wxString GetItemLabelText() const { return GetLabelText(m_text); }
165 
166     // return just the text part of the given label. In 2.9 and up, this is implemented in
167     // platform-specific code, but is now implemented in terms of GetLabelFromText.
168     static wxString GetLabelText(const wxString& label);
169 #endif
170 };
171 
172 // ----------------------------------------------------------------------------
173 // include the real class declaration
174 // ----------------------------------------------------------------------------
175 
176 #ifdef wxUSE_BASE_CLASSES_ONLY
177     #define wxMenuItem wxMenuItemBase
178 #else // !wxUSE_BASE_CLASSES_ONLY
179 #if defined(__WXUNIVERSAL__)
180     #include "wx/univ/menuitem.h"
181 #elif defined(__WXPALMOS__)
182     #include "wx/palmos/menuitem.h"
183 #elif defined(__WXMSW__)
184     #include "wx/msw/menuitem.h"
185 #elif defined(__WXMOTIF__)
186     #include "wx/motif/menuitem.h"
187 #elif defined(__WXGTK20__)
188     #include "wx/gtk/menuitem.h"
189 #elif defined(__WXGTK__)
190     #include "wx/gtk1/menuitem.h"
191 #elif defined(__WXMAC__)
192     #include "wx/mac/menuitem.h"
193 #elif defined(__WXCOCOA__)
194     #include "wx/cocoa/menuitem.h"
195 #elif defined(__WXPM__)
196     #include "wx/os2/menuitem.h"
197 #endif
198 #endif // wxUSE_BASE_CLASSES_ONLY/!wxUSE_BASE_CLASSES_ONLY
199 
200 #endif // wxUSE_MENUS
201 
202 #endif
203     // _WX_MENUITEM_H_BASE_
204