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1///////////////////////////////////////////////////////////////////////////////
2// Name: wx/menu.h
3// Purpose: wxMenu and wxMenuBar classes
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 26.10.99
7// RCS-ID: $Id$
8// Copyright: (c) wxWindows team
9// Licence: wxWindows license
10///////////////////////////////////////////////////////////////////////////////
11
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12#ifndef _WX_MENU_H_BASE_
13#define _WX_MENU_H_BASE_
c801d85f 14
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15#ifdef __GNUG__
16 #pragma interface "menubase.h"
17#endif
18
19// ----------------------------------------------------------------------------
20// headers
21// ----------------------------------------------------------------------------
22
717a57c2 23#include "wx/list.h" // for "template" list classes
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24#include "wx/window.h" // base class for wxMenuBar
25
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26// also include this one to ensure compatibility with old code which only
27// included wx/menu.h
28#include "wx/menuitem.h"
29
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30class WXDLLEXPORT wxMenu;
31class WXDLLEXPORT wxMenuBar;
32class WXDLLEXPORT wxMenuItem;
33
717a57c2 34// pseudo template list classes
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35WX_DECLARE_EXPORTED_LIST(wxMenu, wxMenuList);
36WX_DECLARE_EXPORTED_LIST(wxMenuItem, wxMenuItemList);
717a57c2 37
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38// ----------------------------------------------------------------------------
39// conditional compilation
40// ----------------------------------------------------------------------------
41
42// having callbacks in menus is a wxWin 1.6x feature which should be replaced
43// with event tables in wxWin 2.xx code - however provide it because many
44// people like it a lot by default
45#ifndef wxUSE_MENU_CALLBACK
46 #if WXWIN_COMPATIBILITY_2
47 #define wxUSE_MENU_CALLBACK 1
48 #else
49 #define wxUSE_MENU_CALLBACK 0
50 #endif // WXWIN_COMPATIBILITY_2
51#endif // !defined(wxUSE_MENU_CALLBACK)
52
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53// ----------------------------------------------------------------------------
54// wxMenu
55// ----------------------------------------------------------------------------
56
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57class WXDLLEXPORT wxMenuBase : public wxEvtHandler
58{
59public:
60 // create a menu
61 static wxMenu *New(const wxString& title = wxEmptyString, long style = 0);
62
63 // ctors
64 wxMenuBase(const wxString& title, long style = 0) : m_title(title)
65 { Init(style); }
66 wxMenuBase(long style = 0)
67 { Init(style); }
68
69 // dtor deletes all the menu items we own
70 virtual ~wxMenuBase();
71
72 // menu construction
73 // -----------------
74
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75 // append a normal item to the menu
76 void Append(int id,
77 const wxString& text,
78 const wxString& help = wxEmptyString,
79 bool isCheckable = FALSE)
80 {
81 DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help, isCheckable));
82 }
83
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84 // append a separator to the menu
85 void AppendSeparator() { Append(wxID_SEPARATOR, wxEmptyString); }
86
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87 // append a submenu
88 void Append(int id,
89 const wxString& text,
90 wxMenu *submenu,
91 const wxString& help = wxEmptyString)
92 {
93 DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help, FALSE, submenu));
94 }
95
96 // the most generic form of Append() - append anything
97 void Append(wxMenuItem *item) { DoAppend(item); }
98
99 // insert a break in the menu (only works when appending the items, not
100 // inserting them)
101 virtual void Break() { }
102
103 // insert an item before given position
104 bool Insert(size_t pos, wxMenuItem *item);
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105 void Insert(size_t pos,
106 int id,
107 const wxString& text,
108 const wxString& help = wxEmptyString,
109 bool isCheckable = FALSE)
110 {
111 Insert(pos, wxMenuItem::New((wxMenu *)this, id, text, help, isCheckable));
112 }
113
114 // insert a separator
115 void InsertSeparator(size_t pos)
116 {
117 Insert(pos, wxMenuItem::New((wxMenu *)this));
118 }
119
120 // insert a submenu
121 void Insert(size_t pos,
122 int id,
123 const wxString& text,
124 wxMenu *submenu,
125 const wxString& help = wxEmptyString)
126 {
127 Insert(pos, wxMenuItem::New((wxMenu *)this, id, text, help, FALSE, submenu));
128 }
129
130 // prepend an item to the menu
131 void Prepend(wxMenuItem *item)
132 {
133 Insert(0u, item);
134 }
135
136 void Prepend(int id,
137 const wxString& text,
138 const wxString& help = wxEmptyString,
139 bool isCheckable = FALSE)
140 {
141 Insert(0u, id, text, help, isCheckable);
142 }
143
144 // insert a separator
145 void PrependSeparator()
146 {
147 InsertSeparator(0u);
148 }
149
150 // insert a submenu
151 void Prepend(int id,
152 const wxString& text,
153 wxMenu *submenu,
154 const wxString& help = wxEmptyString)
155 {
156 Insert(0u, id, text, submenu, help);
157 }
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158
159 // detach an item from the menu, but don't delete it so that it can be
160 // added back later (but if it's not, the caller is responsible for
161 // deleting it!)
162 wxMenuItem *Remove(int id) { return Remove(FindChildItem(id)); }
163 wxMenuItem *Remove(wxMenuItem *item);
164
165 // delete an item from the menu (submenus are not destroyed by this
166 // function, see Destroy)
167 bool Delete(int id) { return Delete(FindChildItem(id)); }
168 bool Delete(wxMenuItem *item);
169
170 // delete the item from menu and destroy it (if it's a submenu)
171 bool Destroy(int id) { return Destroy(FindChildItem(id)); }
172 bool Destroy(wxMenuItem *item);
173
174 // menu items access
175 // -----------------
176
177 // get the items
178 size_t GetMenuItemCount() const { return m_items.GetCount(); }
179
180 const wxMenuItemList& GetMenuItems() const { return m_items; }
181 wxMenuItemList& GetMenuItems() { return m_items; }
182
183 // search
184 virtual int FindItem(const wxString& itemString) const;
185 wxMenuItem* FindItem(int id, wxMenu **menu = NULL) const;
186
187 // get/set items attributes
188 void Enable(int id, bool enable);
189 bool IsEnabled(int id) const;
3dfac970 190
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191 void Check(int id, bool check);
192 bool IsChecked(int id) const;
193
194 void SetLabel(int id, const wxString& label);
195 wxString GetLabel(int id) const;
196
197 virtual void SetHelpString(int id, const wxString& helpString);
198 virtual wxString GetHelpString(int id) const;
199
200 // misc accessors
201 // --------------
202
203 // the title
204 virtual void SetTitle(const wxString& title) { m_title = title; }
205 const wxString GetTitle() const { return m_title; }
206
207 // client data
208 void SetClientData(void* clientData) { m_clientData = clientData; }
209 void* GetClientData() const { return m_clientData; }
210
211 // event handler
212 void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
213 wxEvtHandler *GetEventHandler() const { return m_eventHandler; }
214
215 // invoking window
216 void SetInvokingWindow(wxWindow *win) { m_invokingWindow = win; }
217 wxWindow *GetInvokingWindow() const { return m_invokingWindow; }
218
219 // style
220 long GetStyle() const { return m_style; }
221
222 // implementation helpers
223 // ----------------------
224
225 // Updates the UI for a menu and all submenus recursively. source is the
226 // object that has the update event handlers defined for it. If NULL, the
227 // menu or associated window will be used.
228 void UpdateUI(wxEvtHandler* source = (wxEvtHandler*)NULL);
229
230 // is the menu attached to a menu bar (or is it a popup one)?
231 bool IsAttached() const { return m_menuBar != NULL; }
232
233 // set/get the parent of this menu
234 void SetParent(wxMenu *parent) { m_menuParent = parent; }
235 wxMenu *GetParent() const { return m_menuParent; }
236
237#if WXWIN_COMPATIBILITY
238 // compatibility: these functions are deprecated, use the new ones instead
239 bool Enabled(int id) const { return IsEnabled(id); }
240 bool Checked(int id) const { return IsChecked(id); }
241
242 wxMenuItem* FindItemForId(int itemId, wxMenu **itemMenu) const
243 { return FindItem(itemId, itemMenu); }
244
245 wxList& GetItems() const { return (wxList &)m_items; }
c0ab6adf 246#endif // WXWIN_COMPATIBILITY
717a57c2 247
9739d9ee 248#if wxUSE_MENU_CALLBACK
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249 // wxWin 1.6x compatible menu event handling
250 wxFunction GetCallback() const { return m_callback; }
251 void Callback(const wxFunction func) { m_callback = func; }
9739d9ee 252
717a57c2 253 wxFunction m_callback;
9739d9ee 254#endif // wxUSE_MENU_CALLBACK
717a57c2 255
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256 // unlike FindItem(), this function doesn't recurse but only looks through
257 // our direct children and also may return the index of the found child if
258 // pos != NULL
259 wxMenuItem *FindChildItem(int id, size_t *pos = NULL) const;
260
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261protected:
262 // virtuals to override in derived classes
263 // ---------------------------------------
264
265 virtual bool DoAppend(wxMenuItem *item);
266 virtual bool DoInsert(size_t pos, wxMenuItem *item);
267
268 virtual wxMenuItem *DoRemove(wxMenuItem *item);
269 virtual bool DoDelete(wxMenuItem *item);
270 virtual bool DoDestroy(wxMenuItem *item);
271
272 // helpers
273 // -------
274
275 // common part of all ctors
276 void Init(long style);
277
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278protected:
279 wxMenuBar *m_menuBar; // menubar we belong to or NULL
280 wxMenu *m_menuParent; // parent menu or NULL
281
282 wxString m_title; // the menu title or label
283 wxMenuItemList m_items; // the list of menu items
284
285 wxWindow *m_invokingWindow; // for popup menus
286 void *m_clientData; // associated with the menu
287
288 long m_style; // combination of wxMENU_XXX flags
289
290 wxEvtHandler *m_eventHandler; // a pluggable in event handler
291};
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292
293// ----------------------------------------------------------------------------
294// wxMenuBar
295// ----------------------------------------------------------------------------
296
297class WXDLLEXPORT wxMenuBarBase : public wxWindow
298{
299public:
300 // default ctor
301 wxMenuBarBase();
302
303 // dtor will delete all menus we own
304 virtual ~wxMenuBarBase();
305
306 // menu bar construction
307 // ---------------------
308
309 // append a menu to the end of menubar, return TRUE if ok
310 virtual bool Append(wxMenu *menu, const wxString& title);
311
312 // insert a menu before the given position into the menubar, return TRUE
313 // if inserted ok
314 virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
315
316 // menu bar items access
317 // ---------------------
318
319 // get the number of menus in the menu bar
320 size_t GetMenuCount() const { return m_menus.GetCount(); }
321
322 // get the menu at given position
323 wxMenu *GetMenu(size_t pos) const;
324
325 // replace the menu at given position with another one, returns the
326 // previous menu (which should be deleted by the caller)
327 virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
328
329 // delete the menu at given position from the menu bar, return the pointer
330 // to the menu (which should be deleted by the caller)
331 virtual wxMenu *Remove(size_t pos);
332
333 // enable or disable a submenu
334 virtual void EnableTop(size_t pos, bool enable) = 0;
335
336 // get or change the label of the menu at given position
337 virtual void SetLabelTop(size_t pos, const wxString& label) = 0;
338 virtual wxString GetLabelTop(size_t pos) const = 0;
339
340 // item search
341 // -----------
342
343 // by menu and item names, returns wxNOT_FOUND if not found or id of the
344 // found item
345 virtual int FindMenuItem(const wxString& menuString,
346 const wxString& itemString) const = 0;
347
348 // find item by id (in any menu), returns NULL if not found
349 //
350 // if menu is !NULL, it will be filled with wxMenu this item belongs to
351 virtual wxMenuItem* FindItem(int id, wxMenu **menu = NULL) const = 0;
352
52130557 353 // find menu by its caption, return wxNOT_FOUND on failure
270e8b6a 354 int FindMenu(const wxString& title) const;
52130557 355
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356 // item access
357 // -----------
358
359 // all these functions just use FindItem() and then call an appropriate
360 // method on it
361 //
362 // NB: under MSW, these methods can only be used after the menubar had
363 // been attached to the frame
364
365 void Enable(int id, bool enable);
366 void Check(int id, bool check);
367 bool IsChecked(int id) const;
368 bool IsEnabled(int id) const;
369
370 void SetLabel(int id, const wxString &label);
371 wxString GetLabel(int id) const;
372
373 void SetHelpString(int id, const wxString& helpString);
374 wxString GetHelpString(int id) const;
375
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376 // need to override these ones to avoid virtual function hiding
377 virtual bool Enable(bool enable = TRUE) { return wxWindow::Enable(enable); }
378 virtual void SetLabel(const wxString& s) { wxWindow::SetLabel(s); }
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379 virtual wxString GetLabel() const { return wxWindow::GetLabel(); }
380
381 // compatibility only: these functions are deprecated, use the new ones
382 // instead
717a57c2 383#if WXWIN_COMPATIBILITY
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384 bool Enabled(int id) const { return IsEnabled(id); }
385 bool Checked(int id) const { return IsChecked(id); }
386
387 wxMenuItem* FindMenuItemById(int id) const
388 { return FindItem(id); }
389 wxMenuItem* FindItemForId(int id, wxMenu **menu = NULL) const
390 { return FindItem(id, menu); }
391#endif // WXWIN_COMPATIBILITY
392
393protected:
394 // the list of all our menus
395 wxMenuList m_menus;
396};
397
398// ----------------------------------------------------------------------------
399// include the real class declaration
400// ----------------------------------------------------------------------------
401
402#ifdef wxUSE_BASE_CLASSES_ONLY
403 #define wxMenuItem wxMenuItemBase
404#else // !wxUSE_BASE_CLASSES_ONLY
2049ba38 405#if defined(__WXMSW__)
3dfac970 406 #include "wx/msw/menu.h"
2049ba38 407#elif defined(__WXMOTIF__)
3dfac970 408 #include "wx/motif/menu.h"
2049ba38 409#elif defined(__WXGTK__)
3dfac970 410 #include "wx/gtk/menu.h"
b4e76e0d 411#elif defined(__WXQT__)
3dfac970 412 #include "wx/qt/menu.h"
34138703 413#elif defined(__WXMAC__)
3dfac970 414 #include "wx/mac/menu.h"
1777b9bb 415#elif defined(__WXPM__)
3dfac970 416 #include "wx/os2/menu.h"
34138703 417#elif defined(__WXSTUBS__)
3dfac970 418 #include "wx/stubs/menu.h"
c801d85f 419#endif
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420#endif // wxUSE_BASE_CLASSES_ONLY/!wxUSE_BASE_CLASSES_ONLY
421
c801d85f 422#endif
34138703 423 // _WX_MENU_H_BASE_