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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: samples/menu.cpp
3 // Purpose: wxMenu/wxMenuBar sample
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 01.11.99
7 // RCS-ID: $Id$
8 // Copyright: (c) 1999 Vadim Zeitlin
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 // For compilers that support precompilation, includes "wx/wx.h".
21 #include "wx/wxprec.h"
22
23 #ifdef __BORLANDC__
24 #pragma hdrstop
25 #endif
26
27 #ifndef WX_PRECOMP
28 #include "wx/app.h"
29 #include "wx/frame.h"
30 #include "wx/menu.h"
31 #include "wx/msgdlg.h"
32 #include "wx/log.h"
33 #include "wx/textctrl.h"
34 #include "wx/textdlg.h"
35 #endif
36
37 #if !wxUSE_MENUS
38 // nice try...
39 #error "menu sample requires wxUSE_MENUS=1"
40 #endif // wxUSE_MENUS
41
42 // not all ports have support for EVT_CONTEXT_MENU yet, don't define
43 // USE_CONTEXT_MENU for those which don't
44 #if defined(__WXMOTIF__) || defined(__WXPM__) || defined(__WXX11__) || defined(__WXMGL__)
45 #define USE_CONTEXT_MENU 0
46 #else
47 #define USE_CONTEXT_MENU 1
48 #endif
49
50 // this sample is usefull when new port is developed
51 // and usually new port has majority of flags turned off
52 #if wxUSE_LOG && wxUSE_TEXTCTRL
53 #define USE_LOG_WINDOW 1
54 #else
55 #define USE_LOG_WINDOW 0
56 #endif
57
58 #if wxUSE_OWNER_DRAWN
59 #include "copy.xpm"
60 #endif
61
62 // ----------------------------------------------------------------------------
63 // classes
64 // ----------------------------------------------------------------------------
65
66 // Define a new application
67 class MyApp: public wxApp
68 {
69 public:
70 bool OnInit();
71 };
72
73 // Define a new frame
74 class MyFrame: public wxFrame
75 {
76 public:
77 MyFrame();
78
79 virtual ~MyFrame();
80
81 void LogMenuEvent(const wxCommandEvent& event);
82
83 protected:
84 void OnQuit(wxCommandEvent& event);
85 #if USE_LOG_WINDOW
86 void OnClearLog(wxCommandEvent& event);
87 #endif
88
89 void OnAbout(wxCommandEvent& event);
90
91 void OnDummy(wxCommandEvent& event);
92
93 void OnAppendMenuItem(wxCommandEvent& event);
94 void OnAppendSubMenu(wxCommandEvent& event);
95 void OnDeleteMenuItem(wxCommandEvent& event);
96 void OnInsertMenuItem(wxCommandEvent& event);
97 void OnCheckMenuItem(wxCommandEvent& event);
98 void OnEnableMenuItem(wxCommandEvent& event);
99 void OnGetLabelMenuItem(wxCommandEvent& event);
100 #if wxUSE_TEXTDLG
101 void OnSetLabelMenuItem(wxCommandEvent& event);
102 #endif
103 void OnGetMenuItemInfo(wxCommandEvent& event);
104 #if wxUSE_TEXTDLG
105 void OnFindMenuItem(wxCommandEvent& event);
106 #endif
107
108 void OnAppendMenu(wxCommandEvent& event);
109 void OnInsertMenu(wxCommandEvent& event);
110 void OnDeleteMenu(wxCommandEvent& event);
111 void OnToggleMenu(wxCommandEvent& event);
112 void OnEnableMenu(wxCommandEvent& event);
113 void OnGetLabelMenu(wxCommandEvent& event);
114 void OnSetLabelMenu(wxCommandEvent& event);
115 #if wxUSE_TEXTDLG
116 void OnFindMenu(wxCommandEvent& event);
117 #endif
118
119 void OnTestNormal(wxCommandEvent& event);
120 void OnTestCheck(wxCommandEvent& event);
121 void OnTestRadio(wxCommandEvent& event);
122
123 void OnUpdateSubMenuNormal(wxUpdateUIEvent& event);
124 void OnUpdateSubMenuCheck(wxUpdateUIEvent& event);
125 void OnUpdateSubMenuRadio(wxUpdateUIEvent& event);
126
127 #if USE_CONTEXT_MENU
128 void OnContextMenu(wxContextMenuEvent& event);
129 #else
130 void OnRightUp(wxMouseEvent& event)
131 { ShowContextMenu(event.GetPosition()); }
132 #endif
133
134 void OnMenuOpen(wxMenuEvent& event)
135 {
136 #if USE_LOG_WINDOW
137 LogMenuOpenOrClose(event, _T("opened")); event.Skip();
138 #endif
139 }
140 void OnMenuClose(wxMenuEvent& event)
141 {
142 #if USE_LOG_WINDOW
143 LogMenuOpenOrClose(event, _T("closed")); event.Skip();
144 #endif
145 }
146
147 void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
148
149 void OnSize(wxSizeEvent& event);
150
151 private:
152 void LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what);
153 void ShowContextMenu(const wxPoint& pos);
154
155 wxMenu *CreateDummyMenu(wxString *title);
156
157 wxMenuItem *GetLastMenuItem() const;
158
159 // the menu previously detached from the menubar (may be NULL)
160 wxMenu *m_menu;
161
162 // the count of dummy menus already created
163 size_t m_countDummy;
164
165 #if USE_LOG_WINDOW
166 // the control used for logging
167 wxTextCtrl *m_textctrl;
168 #endif
169
170 // the previous log target
171 wxLog *m_logOld;
172
173 DECLARE_EVENT_TABLE()
174 };
175
176 // A small helper class which intercepts all menu events and logs them
177 class MyEvtHandler : public wxEvtHandler
178 {
179 public:
180 MyEvtHandler(MyFrame *frame) { m_frame = frame; }
181
182 void OnMenuEvent(wxCommandEvent& event)
183 {
184 m_frame->LogMenuEvent(event);
185
186 event.Skip();
187 }
188
189 private:
190 MyFrame *m_frame;
191
192 DECLARE_EVENT_TABLE()
193 };
194
195 // ----------------------------------------------------------------------------
196 // constants
197 // ----------------------------------------------------------------------------
198
199 enum
200 {
201 Menu_File_Quit = wxID_EXIT,
202 #if USE_LOG_WINDOW
203 Menu_File_ClearLog,
204 #endif
205
206 Menu_MenuBar_Toggle = 200,
207 Menu_MenuBar_Append,
208 Menu_MenuBar_Insert,
209 Menu_MenuBar_Delete,
210 Menu_MenuBar_Enable,
211 Menu_MenuBar_GetLabel,
212 #if wxUSE_TEXTDLG
213 Menu_MenuBar_SetLabel,
214 Menu_MenuBar_FindMenu,
215 #endif
216
217 Menu_Menu_Append = 300,
218 Menu_Menu_AppendSub,
219 Menu_Menu_Insert,
220 Menu_Menu_Delete,
221 Menu_Menu_Enable,
222 Menu_Menu_Check,
223 Menu_Menu_GetLabel,
224 #if wxUSE_TEXTDLG
225 Menu_Menu_SetLabel,
226 #endif
227 Menu_Menu_GetInfo,
228 #if wxUSE_TEXTDLG
229 Menu_Menu_FindItem,
230 #endif
231
232 Menu_Test_Normal = 400,
233 Menu_Test_Check,
234 Menu_Test_Radio1,
235 Menu_Test_Radio2,
236 Menu_Test_Radio3,
237
238 Menu_SubMenu = 450,
239 Menu_SubMenu_Normal,
240 Menu_SubMenu_Check,
241 Menu_SubMenu_Radio1,
242 Menu_SubMenu_Radio2,
243 Menu_SubMenu_Radio3,
244
245 Menu_Dummy_First = 500,
246 Menu_Dummy_Second,
247 Menu_Dummy_Third,
248 Menu_Dummy_Fourth,
249 Menu_Dummy_Last,
250
251 Menu_Help_About = wxID_ABOUT,
252
253 Menu_Popup_ToBeDeleted = 2000,
254 Menu_Popup_ToBeGreyed,
255 Menu_Popup_ToBeChecked,
256 Menu_Popup_Submenu,
257
258 Menu_Max
259 };
260
261 // ----------------------------------------------------------------------------
262 // event tables
263 // ----------------------------------------------------------------------------
264
265 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
266 EVT_MENU(Menu_File_Quit, MyFrame::OnQuit)
267 #if USE_LOG_WINDOW
268 EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog)
269 #endif
270
271 EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
272
273 EVT_MENU(Menu_MenuBar_Toggle, MyFrame::OnToggleMenu)
274 EVT_MENU(Menu_MenuBar_Append, MyFrame::OnAppendMenu)
275 EVT_MENU(Menu_MenuBar_Insert, MyFrame::OnInsertMenu)
276 EVT_MENU(Menu_MenuBar_Delete, MyFrame::OnDeleteMenu)
277 EVT_MENU(Menu_MenuBar_Enable, MyFrame::OnEnableMenu)
278 EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
279 #if wxUSE_TEXTDLG
280 EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
281 EVT_MENU(Menu_MenuBar_FindMenu, MyFrame::OnFindMenu)
282 #endif
283
284 EVT_MENU(Menu_Menu_Append, MyFrame::OnAppendMenuItem)
285 EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
286 EVT_MENU(Menu_Menu_Insert, MyFrame::OnInsertMenuItem)
287 EVT_MENU(Menu_Menu_Delete, MyFrame::OnDeleteMenuItem)
288 EVT_MENU(Menu_Menu_Enable, MyFrame::OnEnableMenuItem)
289 EVT_MENU(Menu_Menu_Check, MyFrame::OnCheckMenuItem)
290 EVT_MENU(Menu_Menu_GetLabel, MyFrame::OnGetLabelMenuItem)
291 #if wxUSE_TEXTDLG
292 EVT_MENU(Menu_Menu_SetLabel, MyFrame::OnSetLabelMenuItem)
293 #endif
294 EVT_MENU(Menu_Menu_GetInfo, MyFrame::OnGetMenuItemInfo)
295 #if wxUSE_TEXTDLG
296 EVT_MENU(Menu_Menu_FindItem, MyFrame::OnFindMenuItem)
297 #endif
298
299 EVT_MENU(Menu_Test_Normal, MyFrame::OnTestNormal)
300 EVT_MENU(Menu_Test_Check, MyFrame::OnTestCheck)
301 EVT_MENU(Menu_Test_Radio1, MyFrame::OnTestRadio)
302 EVT_MENU(Menu_Test_Radio2, MyFrame::OnTestRadio)
303 EVT_MENU(Menu_Test_Radio3, MyFrame::OnTestRadio)
304
305 EVT_UPDATE_UI(Menu_SubMenu_Normal, MyFrame::OnUpdateSubMenuNormal)
306 EVT_UPDATE_UI(Menu_SubMenu_Check, MyFrame::OnUpdateSubMenuCheck)
307 EVT_UPDATE_UI(Menu_SubMenu_Radio1, MyFrame::OnUpdateSubMenuRadio)
308 EVT_UPDATE_UI(Menu_SubMenu_Radio2, MyFrame::OnUpdateSubMenuRadio)
309 EVT_UPDATE_UI(Menu_SubMenu_Radio3, MyFrame::OnUpdateSubMenuRadio)
310
311 EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
312
313 EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
314
315 #if USE_CONTEXT_MENU
316 EVT_CONTEXT_MENU(MyFrame::OnContextMenu)
317 #else
318 EVT_RIGHT_UP(MyFrame::OnRightUp)
319 #endif
320
321 EVT_MENU_OPEN(MyFrame::OnMenuOpen)
322 EVT_MENU_CLOSE(MyFrame::OnMenuClose)
323
324 EVT_SIZE(MyFrame::OnSize)
325 END_EVENT_TABLE()
326
327 BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
328 EVT_MENU(wxID_ANY, MyEvtHandler::OnMenuEvent)
329 END_EVENT_TABLE()
330
331 // ============================================================================
332 // implementation
333 // ============================================================================
334
335 // ----------------------------------------------------------------------------
336 // MyApp
337 // ----------------------------------------------------------------------------
338
339 IMPLEMENT_APP(MyApp)
340
341 // The `main program' equivalent, creating the windows and returning the
342 // main frame
343 bool MyApp::OnInit()
344 {
345 // Create the main frame window
346 MyFrame* frame = new MyFrame;
347
348 frame->Show(true);
349
350 #if wxUSE_STATUSBAR
351 frame->SetStatusText(_T("Welcome to wxWidgets menu sample"));
352 #endif // wxUSE_STATUSBAR
353
354 SetTopWindow(frame);
355
356 return true;
357 }
358
359 // ----------------------------------------------------------------------------
360 // MyFrame
361 // ----------------------------------------------------------------------------
362
363 // Define my frame constructor
364 MyFrame::MyFrame()
365 : wxFrame((wxFrame *)NULL, wxID_ANY, _T("wxWidgets menu sample"))
366 {
367 #if USE_LOG_WINDOW
368 m_textctrl = NULL;
369 #endif
370 m_menu = NULL;
371 m_countDummy = 0;
372 m_logOld = NULL;
373
374 #if wxUSE_STATUSBAR
375 CreateStatusBar();
376 #endif // wxUSE_STATUSBAR
377
378 // create the menubar
379 wxMenu *fileMenu = new wxMenu;
380
381 #if USE_LOG_WINDOW
382 wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog,
383 _T("Clear &log\tCtrl-L"));
384 #if wxUSE_OWNER_DRAWN
385 item->SetBitmap(copy_xpm);
386 #endif
387 fileMenu->Append(item);
388 fileMenu->AppendSeparator();
389 #endif
390 fileMenu->Append(Menu_File_Quit, _T("E&xit\tAlt-X"), _T("Quit menu sample"));
391
392 wxMenu *menubarMenu = new wxMenu;
393 menubarMenu->Append(Menu_MenuBar_Append, _T("&Append menu\tCtrl-A"),
394 _T("Append a menu to the menubar"));
395 menubarMenu->Append(Menu_MenuBar_Insert, _T("&Insert menu\tCtrl-I"),
396 _T("Insert a menu into the menubar"));
397 menubarMenu->Append(Menu_MenuBar_Delete, _T("&Delete menu\tCtrl-D"),
398 _T("Delete the last menu from the menubar"));
399 menubarMenu->Append(Menu_MenuBar_Toggle, _T("&Toggle menu\tCtrl-T"),
400 _T("Toggle the first menu in the menubar"), true);
401 menubarMenu->AppendSeparator();
402 menubarMenu->Append(Menu_MenuBar_Enable, _T("&Enable menu\tCtrl-E"),
403 _T("Enable or disable the last menu"), true);
404 menubarMenu->AppendSeparator();
405 menubarMenu->Append(Menu_MenuBar_GetLabel, _T("&Get menu label\tCtrl-G"),
406 _T("Get the label of the last menu"));
407 #if wxUSE_TEXTDLG
408 menubarMenu->Append(Menu_MenuBar_SetLabel, _T("&Set menu label\tCtrl-S"),
409 _T("Change the label of the last menu"));
410 menubarMenu->AppendSeparator();
411 menubarMenu->Append(Menu_MenuBar_FindMenu, _T("&Find menu from label\tCtrl-F"),
412 _T("Find a menu by searching for its label"));
413 #endif
414
415 wxMenu* subMenu = new wxMenu;
416 subMenu->Append(Menu_SubMenu_Normal, _T("&Normal submenu item"), _T("Disabled submenu item"));
417 subMenu->AppendCheckItem(Menu_SubMenu_Check, _T("&Unchecked submenu item"), _T("Unchecked submenu item"));
418 subMenu->AppendRadioItem(Menu_SubMenu_Radio1, _T("Radio item &1"), _T("Radio item"));
419 subMenu->AppendRadioItem(Menu_SubMenu_Radio2, _T("Radio item &2"), _T("Radio item"));
420 subMenu->AppendRadioItem(Menu_SubMenu_Radio3, _T("Radio item &3"), _T("Radio item"));
421
422 menubarMenu->Append(Menu_SubMenu, _T("Submenu"), subMenu);
423
424 wxMenu *menuMenu = new wxMenu;
425 menuMenu->Append(Menu_Menu_Append, _T("&Append menu item\tAlt-A"),
426 _T("Append a menu item to the last menu"));
427 menuMenu->Append(Menu_Menu_AppendSub, _T("&Append sub menu\tAlt-S"),
428 _T("Append a sub menu to the last menu"));
429 menuMenu->Append(Menu_Menu_Insert, _T("&Insert menu item\tAlt-I"),
430 _T("Insert a menu item in head of the last menu"));
431 menuMenu->Append(Menu_Menu_Delete, _T("&Delete menu item\tAlt-D"),
432 _T("Delete the last menu item from the last menu"));
433 menuMenu->AppendSeparator();
434 menuMenu->Append(Menu_Menu_Enable, _T("&Enable menu item\tAlt-E"),
435 _T("Enable or disable the last menu item"), true);
436 menuMenu->Append(Menu_Menu_Check, _T("&Check menu item\tAlt-C"),
437 _T("Check or uncheck the last menu item"), true);
438 menuMenu->AppendSeparator();
439 menuMenu->Append(Menu_Menu_GetInfo, _T("Get menu item in&fo\tAlt-F"),
440 _T("Show the state of the last menu item"));
441 #if wxUSE_TEXTDLG
442 menuMenu->Append(Menu_Menu_SetLabel, _T("Set menu item label\tAlt-L"),
443 _T("Set the label of a menu item"));
444 #endif
445 #if wxUSE_TEXTDLG
446 menuMenu->AppendSeparator();
447 menuMenu->Append(Menu_Menu_FindItem, _T("Find menu item from label"),
448 _T("Find a menu item by searching for its label"));
449 #endif
450
451 wxMenu *testMenu = new wxMenu;
452 testMenu->Append(Menu_Test_Normal, _T("&Normal item"));
453 testMenu->AppendSeparator();
454 testMenu->AppendCheckItem(Menu_Test_Check, _T("&Check item"));
455 testMenu->AppendSeparator();
456 testMenu->AppendRadioItem(Menu_Test_Radio1, _T("Radio item &1"));
457 testMenu->AppendRadioItem(Menu_Test_Radio2, _T("Radio item &2"));
458 testMenu->AppendRadioItem(Menu_Test_Radio3, _T("Radio item &3"));
459
460 wxMenu *helpMenu = new wxMenu;
461 helpMenu->Append(Menu_Help_About, _T("&About\tF1"), _T("About menu sample"));
462
463 wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
464
465 menuBar->Append(fileMenu, _T("&File"));
466 menuBar->Append(menubarMenu, _T("Menu&bar"));
467 menuBar->Append(menuMenu, _T("&Menu"));
468 menuBar->Append(testMenu, _T("&Test"));
469 menuBar->Append(helpMenu, _T("&Help"));
470
471 // these items should be initially checked
472 menuBar->Check(Menu_MenuBar_Toggle, true);
473 menuBar->Check(Menu_MenuBar_Enable, true);
474 menuBar->Check(Menu_Menu_Enable, true);
475 menuBar->Check(Menu_Menu_Check, false);
476
477 // associate the menu bar with the frame
478 SetMenuBar(menuBar);
479
480 // intercept all menu events and log them in this custom event handler
481 PushEventHandler(new MyEvtHandler(this));
482
483 #if USE_LOG_WINDOW
484 // create the log text window
485 m_textctrl = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
486 wxDefaultPosition, wxDefaultSize,
487 wxTE_MULTILINE);
488 m_textctrl->SetEditable(false);
489
490 wxLog::SetTimestamp(NULL);
491 m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl));
492
493 wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu ")
494 _T("append/insert/delete items to/from the last menu.\n")
495 _T("The commands from \"Menubar\" menu work with the ")
496 _T("menubar itself.\n\n")
497 _T("Right click the band below to test popup menus.\n"));
498 #endif
499 }
500
501 MyFrame::~MyFrame()
502 {
503 delete m_menu;
504
505 // delete the event handler installed in ctor
506 PopEventHandler(true);
507
508 #if USE_LOG_WINDOW
509 // restore old logger
510 delete wxLog::SetActiveTarget(m_logOld);
511 #endif
512 }
513
514 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
515 {
516 wxMenu *menu = new wxMenu;
517 menu->Append(Menu_Dummy_First, _T("&First item\tCtrl-F1"));
518 menu->AppendSeparator();
519 menu->AppendCheckItem(Menu_Dummy_Second, _T("&Second item\tCtrl-F2"));
520
521 if ( title )
522 {
523 title->Printf(_T("Dummy menu &%u"), (unsigned)++m_countDummy);
524 }
525
526 return menu;
527 }
528
529 wxMenuItem *MyFrame::GetLastMenuItem() const
530 {
531 wxMenuBar *menubar = GetMenuBar();
532 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
533
534 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetLast();
535 if ( !node )
536 {
537 wxLogWarning(_T("No last item in the last menu!"));
538
539 return NULL;
540 }
541 else
542 {
543 return node->GetData();
544 }
545 }
546
547 void MyFrame::LogMenuEvent(const wxCommandEvent& event)
548 {
549 int id = event.GetId();
550 if ( !GetMenuBar()->FindItem(id) )
551 return;
552
553 wxString msg = wxString::Format(_T("Menu command %d"), id);
554 if ( GetMenuBar()->FindItem(id)->IsCheckable() )
555 {
556 msg += wxString::Format(_T(" (the item is currently %schecked)"),
557 event.IsChecked() ? _T("") : _T("not "));
558 }
559
560 wxLogMessage(msg);
561 }
562
563 // ----------------------------------------------------------------------------
564 // menu callbacks
565 // ----------------------------------------------------------------------------
566
567 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
568 {
569 Close(true);
570 }
571
572 #if USE_LOG_WINDOW
573 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
574 {
575 m_textctrl->Clear();
576 }
577 #endif
578
579 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
580 {
581 (void)wxMessageBox(_T("wxWidgets menu sample\n(c) 1999-2001 Vadim Zeitlin"),
582 _T("About wxWidgets menu sample"),
583 wxICON_INFORMATION);
584 }
585
586 void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
587 {
588 wxMenuBar *mbar = GetMenuBar();
589
590 size_t count = mbar->GetMenuCount();
591 if ( count == 2 )
592 {
593 // don't let delete the first 2 menus
594 wxLogError(_T("Can't delete any more menus"));
595 }
596 else
597 {
598 delete mbar->Remove(count - 1);
599 }
600 }
601
602 void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
603 {
604 wxString title;
605 wxMenu *menu = CreateDummyMenu(&title);
606 GetMenuBar()->Insert(0, menu, title);
607 }
608
609 void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
610 {
611 wxString title;
612 wxMenu *menu = CreateDummyMenu(&title);
613 GetMenuBar()->Append(menu, title);
614 }
615
616 void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
617 {
618 wxMenuBar *mbar = GetMenuBar();
619 if ( !m_menu )
620 {
621 // hide the menu
622 m_menu = mbar->Remove(0);
623 }
624 else
625 {
626 // restore it
627 mbar->Insert(0, m_menu, _T("&File"));
628 m_menu = NULL;
629 }
630 }
631
632 void MyFrame::OnEnableMenu(wxCommandEvent& event)
633 {
634 wxMenuBar *mbar = GetMenuBar();
635 size_t count = mbar->GetMenuCount();
636
637 mbar->EnableTop(count - 1, event.IsChecked());
638 }
639
640 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
641 {
642 wxMenuBar *mbar = GetMenuBar();
643 size_t count = mbar->GetMenuCount();
644
645 wxCHECK_RET( count, _T("no last menu?") );
646
647 wxLogMessage(_T("The label of the last menu item is '%s'"),
648 mbar->GetLabelTop(count - 1).c_str());
649 }
650
651 #if wxUSE_TEXTDLG
652 void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
653 {
654 wxMenuBar *mbar = GetMenuBar();
655 size_t count = mbar->GetMenuCount();
656
657 wxCHECK_RET( count, _T("no last menu?") );
658
659 wxString label = wxGetTextFromUser
660 (
661 _T("Enter new label: "),
662 _T("Change last menu text"),
663 mbar->GetLabelTop(count - 1),
664 this
665 );
666
667 if ( !label.empty() )
668 {
669 mbar->SetLabelTop(count - 1, label);
670 }
671 }
672
673 void MyFrame::OnFindMenu(wxCommandEvent& WXUNUSED(event))
674 {
675 wxMenuBar *mbar = GetMenuBar();
676 size_t count = mbar->GetMenuCount();
677
678 wxCHECK_RET( count, _T("no last menu?") );
679
680 wxString label = wxGetTextFromUser
681 (
682 _T("Enter label to search for: "),
683 _T("Find menu"),
684 wxEmptyString,
685 this
686 );
687
688 if ( !label.empty() )
689 {
690 int index = mbar->FindMenu(label);
691
692 if (index == wxNOT_FOUND)
693 {
694 wxLogWarning(_T("No menu with label '%s'"), label.c_str());
695 }
696 else
697 {
698 wxLogMessage(_T("Menu %d has label '%s'"), index, label.c_str());
699 }
700 }
701 }
702 #endif
703
704 void MyFrame::OnDummy(wxCommandEvent& event)
705 {
706 wxLogMessage(_T("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1);
707 }
708
709 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
710 {
711 wxMenuBar *menubar = GetMenuBar();
712 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
713
714 menu->AppendSeparator();
715 menu->Append(Menu_Dummy_Third, _T("&Third dummy item\tCtrl-F3"),
716 _T("Checkable item"), true);
717 }
718
719 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
720 {
721 wxMenuBar *menubar = GetMenuBar();
722
723 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 2);
724
725 menu->Append(Menu_Dummy_Last, _T("&Dummy sub menu"),
726 CreateDummyMenu(NULL), _T("Dummy sub menu help"));
727 }
728
729 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
730 {
731 wxMenuBar *menubar = GetMenuBar();
732 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
733
734 size_t count = menu->GetMenuItemCount();
735 if ( !count )
736 {
737 wxLogWarning(_T("No items to delete!"));
738 }
739 else
740 {
741 menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
742 }
743 }
744
745 void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
746 {
747 wxMenuBar *menubar = GetMenuBar();
748 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
749
750 menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
751 _T("Fourth dummy item\tCtrl-F4")));
752 menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR));
753 }
754
755 void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
756 {
757 wxMenuItem *item = GetLastMenuItem();
758
759 if ( item )
760 {
761 item->Enable(!item->IsEnabled());
762 }
763 }
764
765 void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
766 {
767 wxMenuItem *item = GetLastMenuItem();
768
769 item->Toggle();
770 }
771
772 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
773 {
774 wxLogNull nolog;
775
776 wxMenuItem *item = GetLastMenuItem();
777
778 event.Enable(item && item->IsCheckable());
779 }
780
781 void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
782 {
783 wxMenuItem *item = GetLastMenuItem();
784
785 if ( item )
786 {
787 wxLogMessage(_T("The label of the last menu item is '%s'"),
788 item->GetLabel().c_str());
789 }
790 }
791
792 #if wxUSE_TEXTDLG
793 void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
794 {
795 wxMenuItem *item = GetLastMenuItem();
796
797 if ( item )
798 {
799 wxString label = wxGetTextFromUser
800 (
801 _T("Enter new label: "),
802 _T("Change last menu item text"),
803 item->GetLabel(),
804 this
805 );
806 label.Replace( _T("\\t"), _T("\t") );
807
808 if ( !label.empty() )
809 {
810 item->SetText(label);
811 }
812 }
813 }
814 #endif
815
816 void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
817 {
818 wxMenuItem *item = GetLastMenuItem();
819
820 if ( item )
821 {
822 wxString msg;
823 msg << _T("The item is ") << (item->IsEnabled() ? _T("enabled")
824 : _T("disabled"))
825 << _T('\n');
826
827 if ( item->IsCheckable() )
828 {
829 msg << _T("It is checkable and ") << (item->IsChecked() ? _T("") : _T("un"))
830 << _T("checked\n");
831 }
832
833 #if wxUSE_ACCEL
834 wxAcceleratorEntry *accel = item->GetAccel();
835 if ( accel )
836 {
837 msg << _T("Its accelerator is ");
838
839 int flags = accel->GetFlags();
840 if ( flags & wxACCEL_ALT )
841 msg << _T("Alt-");
842 if ( flags & wxACCEL_CTRL )
843 msg << _T("Ctrl-");
844 if ( flags & wxACCEL_SHIFT )
845 msg << _T("Shift-");
846
847 int code = accel->GetKeyCode();
848 switch ( code )
849 {
850 case WXK_F1:
851 case WXK_F2:
852 case WXK_F3:
853 case WXK_F4:
854 case WXK_F5:
855 case WXK_F6:
856 case WXK_F7:
857 case WXK_F8:
858 case WXK_F9:
859 case WXK_F10:
860 case WXK_F11:
861 case WXK_F12:
862 msg << _T('F') << code - WXK_F1 + 1;
863 break;
864
865 // if there are any other keys wxGetAccelFromString() may return,
866 // we should process them here
867
868 default:
869 if ( wxIsalnum(code) )
870 {
871 msg << (wxChar)code;
872
873 break;
874 }
875
876 wxFAIL_MSG( _T("unknown keyboard accel") );
877 }
878
879 delete accel;
880 }
881 else
882 {
883 msg << _T("It doesn't have an accelerator");
884 }
885 #endif // wxUSE_ACCEL
886
887 wxLogMessage(msg);
888 }
889 }
890
891 #if wxUSE_TEXTDLG
892 void MyFrame::OnFindMenuItem(wxCommandEvent& WXUNUSED(event))
893 {
894 wxMenuBar *mbar = GetMenuBar();
895 size_t count = mbar->GetMenuCount();
896
897 wxCHECK_RET( count, _T("no last menu?") );
898
899 wxString label = wxGetTextFromUser
900 (
901 _T("Enter label to search for: "),
902 _T("Find menu item"),
903 wxEmptyString,
904 this
905 );
906
907 if ( !label.empty() )
908 {
909 size_t menuindex;
910 int index = wxNOT_FOUND;
911
912 for (menuindex = 0; (menuindex < count) && (index == wxNOT_FOUND); ++menuindex)
913 {
914 index = mbar->FindMenuItem(mbar->GetMenu(menuindex)->GetTitle(), label);
915 }
916 if (index == wxNOT_FOUND)
917 {
918 wxLogWarning(_T("No menu item with label '%s'"), label.c_str());
919 }
920 else
921 {
922 wxLogMessage(_T("Menu item %d in menu %lu has label '%s'"),
923 index, (unsigned long)menuindex, label.c_str());
924 }
925 }
926 }
927 #endif
928
929 void MyFrame::ShowContextMenu(const wxPoint& pos)
930 {
931 wxMenu menu(_T("Test popup"));
932
933 menu.Append(Menu_Help_About, _T("&About"));
934 menu.Append(Menu_Popup_Submenu, _T("&Submenu"), CreateDummyMenu(NULL));
935 menu.Append(Menu_Popup_ToBeDeleted, _T("To be &deleted"));
936 menu.AppendCheckItem(Menu_Popup_ToBeChecked, _T("To be &checked"));
937 menu.Append(Menu_Popup_ToBeGreyed, _T("To be &greyed"),
938 _T("This menu item should be initially greyed out"));
939 menu.AppendSeparator();
940 menu.Append(Menu_File_Quit, _T("E&xit"));
941
942 menu.Delete(Menu_Popup_ToBeDeleted);
943 menu.Check(Menu_Popup_ToBeChecked, true);
944 menu.Enable(Menu_Popup_ToBeGreyed, false);
945
946 PopupMenu(&menu, pos.x, pos.y);
947
948 // test for destroying items in popup menus
949 #if 0 // doesn't work in wxGTK!
950 menu.Destroy(Menu_Popup_Submenu);
951
952 PopupMenu( &menu, event.GetX(), event.GetY() );
953 #endif // 0
954 }
955
956 void MyFrame::OnTestNormal(wxCommandEvent& WXUNUSED(event))
957 {
958 wxLogMessage(_T("Normal item selected"));
959 }
960
961 void MyFrame::OnTestCheck(wxCommandEvent& event)
962 {
963 wxLogMessage(_T("Check item %schecked"),
964 event.IsChecked() ? _T("") : _T("un"));
965 }
966
967 void MyFrame::OnTestRadio(wxCommandEvent& event)
968 {
969 wxLogMessage(_T("Radio item %d selected"),
970 event.GetId() - Menu_Test_Radio1 + 1);
971 }
972
973 #if USE_LOG_WINDOW
974 void MyFrame::LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what)
975 {
976 wxString msg;
977 msg << _T("A ")
978 << ( event.IsPopup() ? _T("popup ") : _T("") )
979 << _T("menu has been ")
980 << what
981 << _T(".");
982
983 wxLogStatus(this, msg.c_str());
984 }
985 #endif
986
987 void MyFrame::OnUpdateSubMenuNormal(wxUpdateUIEvent& event)
988 {
989 event.Enable(false);
990 }
991
992 void MyFrame::OnUpdateSubMenuCheck(wxUpdateUIEvent& event)
993 {
994 event.Enable(true);
995 event.Check(true);
996 }
997
998 void MyFrame::OnUpdateSubMenuRadio(wxUpdateUIEvent& event)
999 {
1000 int which = (event.GetId() - Menu_SubMenu_Radio1 + 1);
1001 if (which == 2)
1002 event.Check(true);
1003 else
1004 event.Check(false);
1005 }
1006
1007 #if USE_CONTEXT_MENU
1008 void MyFrame::OnContextMenu(wxContextMenuEvent& event)
1009 {
1010 wxPoint point = event.GetPosition();
1011 // If from keyboard
1012 if (point.x == -1 && point.y == -1) {
1013 wxSize size = GetSize();
1014 point.x = size.x / 2;
1015 point.y = size.y / 2;
1016 } else {
1017 point = ScreenToClient(point);
1018 }
1019 ShowContextMenu(point);
1020 }
1021 #endif
1022
1023 void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event))
1024 {
1025 #if USE_LOG_WINDOW
1026 if ( !m_textctrl )
1027 return;
1028
1029 // leave a band below for popup menu testing
1030 wxSize size = GetClientSize();
1031 m_textctrl->SetSize(0, 0, size.x, (3*size.y)/4);
1032 #endif
1033
1034 // this is really ugly but we have to do it as we can't just call
1035 // event.Skip() because wxFrameBase would make the text control fill the
1036 // entire frame then
1037 #ifdef __WXUNIVERSAL__
1038 PositionMenuBar();
1039 #endif // __WXUNIVERSAL__
1040 }
1041