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[wxWidgets.git] / samples / menu / menu.cpp
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 menuMenu->Append(Menu_Menu_SetLabel, _T("Set menu item label\tAlt-L"),
442 _T("Set the label of a menu item"));
443 #if wxUSE_TEXTDLG
444 menuMenu->AppendSeparator();
445 menuMenu->Append(Menu_Menu_FindItem, _T("Find menu item from label"),
446 _T("Find a menu item by searching for its label"));
447 #endif
448
449 wxMenu *testMenu = new wxMenu;
450 testMenu->Append(Menu_Test_Normal, _T("&Normal item"));
451 testMenu->AppendSeparator();
452 testMenu->AppendCheckItem(Menu_Test_Check, _T("&Check item"));
453 testMenu->AppendSeparator();
454 testMenu->AppendRadioItem(Menu_Test_Radio1, _T("Radio item &1"));
455 testMenu->AppendRadioItem(Menu_Test_Radio2, _T("Radio item &2"));
456 testMenu->AppendRadioItem(Menu_Test_Radio3, _T("Radio item &3"));
457
458 wxMenu *helpMenu = new wxMenu;
459 helpMenu->Append(Menu_Help_About, _T("&About\tF1"), _T("About menu sample"));
460
461 wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
462
463 menuBar->Append(fileMenu, _T("&File"));
464 menuBar->Append(menubarMenu, _T("Menu&bar"));
465 menuBar->Append(menuMenu, _T("&Menu"));
466 menuBar->Append(testMenu, _T("&Test"));
467 menuBar->Append(helpMenu, _T("&Help"));
468
469 // these items should be initially checked
470 menuBar->Check(Menu_MenuBar_Toggle, true);
471 menuBar->Check(Menu_MenuBar_Enable, true);
472 menuBar->Check(Menu_Menu_Enable, true);
473 menuBar->Check(Menu_Menu_Check, false);
474
475 // associate the menu bar with the frame
476 SetMenuBar(menuBar);
477
478 // intercept all menu events and log them in this custom event handler
479 PushEventHandler(new MyEvtHandler(this));
480
481 #if USE_LOG_WINDOW
482 // create the log text window
483 m_textctrl = new wxTextCtrl(this, wxID_ANY, _T(""),
484 wxDefaultPosition, wxDefaultSize,
485 wxTE_MULTILINE);
486 m_textctrl->SetEditable(false);
487
488 wxLog::SetTimestamp(NULL);
489 m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl));
490
491 wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu ")
492 _T("append/insert/delete items to/from the last menu.\n")
493 _T("The commands from \"Menubar\" menu work with the ")
494 _T("menubar itself.\n\n")
495 _T("Right click the band below to test popup menus.\n"));
496 #endif
497 }
498
499 MyFrame::~MyFrame()
500 {
501 delete m_menu;
502
503 // delete the event handler installed in ctor
504 PopEventHandler(true);
505
506 #if USE_LOG_WINDOW
507 // restore old logger
508 delete wxLog::SetActiveTarget(m_logOld);
509 #endif
510 }
511
512 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
513 {
514 wxMenu *menu = new wxMenu;
515 menu->Append(Menu_Dummy_First, _T("&First item\tCtrl-F1"));
516 menu->AppendSeparator();
517 menu->AppendCheckItem(Menu_Dummy_Second, _T("&Second item\tCtrl-F2"));
518
519 if ( title )
520 {
521 title->Printf(_T("Dummy menu &%u"), (unsigned)++m_countDummy);
522 }
523
524 return menu;
525 }
526
527 wxMenuItem *MyFrame::GetLastMenuItem() const
528 {
529 wxMenuBar *menubar = GetMenuBar();
530 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
531
532 wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetLast();
533 if ( !node )
534 {
535 wxLogWarning(_T("No last item in the last menu!"));
536
537 return NULL;
538 }
539 else
540 {
541 return node->GetData();
542 }
543 }
544
545 void MyFrame::LogMenuEvent(const wxCommandEvent& event)
546 {
547 int id = event.GetId();
548 if ( !GetMenuBar()->FindItem(id) )
549 return;
550
551 wxString msg = wxString::Format(_T("Menu command %d"), id);
552 if ( GetMenuBar()->FindItem(id)->IsCheckable() )
553 {
554 msg += wxString::Format(_T(" (the item is currently %schecked)"),
555 event.IsChecked() ? _T("") : _T("not "));
556 }
557
558 wxLogMessage(msg);
559 }
560
561 // ----------------------------------------------------------------------------
562 // menu callbacks
563 // ----------------------------------------------------------------------------
564
565 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
566 {
567 Close(true);
568 }
569
570 #if USE_LOG_WINDOW
571 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
572 {
573 m_textctrl->Clear();
574 }
575 #endif
576
577 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
578 {
579 (void)wxMessageBox(_T("wxWidgets menu sample\n(c) 1999-2001 Vadim Zeitlin"),
580 _T("About wxWidgets menu sample"),
581 wxICON_INFORMATION);
582 }
583
584 void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
585 {
586 wxMenuBar *mbar = GetMenuBar();
587
588 size_t count = mbar->GetMenuCount();
589 if ( count == 2 )
590 {
591 // don't let delete the first 2 menus
592 wxLogError(_T("Can't delete any more menus"));
593 }
594 else
595 {
596 delete mbar->Remove(count - 1);
597 }
598 }
599
600 void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
601 {
602 wxString title;
603 wxMenu *menu = CreateDummyMenu(&title);
604 GetMenuBar()->Insert(0, menu, title);
605 }
606
607 void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
608 {
609 wxString title;
610 wxMenu *menu = CreateDummyMenu(&title);
611 GetMenuBar()->Append(menu, title);
612 }
613
614 void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
615 {
616 wxMenuBar *mbar = GetMenuBar();
617 if ( !m_menu )
618 {
619 // hide the menu
620 m_menu = mbar->Remove(0);
621 }
622 else
623 {
624 // restore it
625 mbar->Insert(0, m_menu, _T("&File"));
626 m_menu = NULL;
627 }
628 }
629
630 void MyFrame::OnEnableMenu(wxCommandEvent& event)
631 {
632 wxMenuBar *mbar = GetMenuBar();
633 size_t count = mbar->GetMenuCount();
634
635 mbar->EnableTop(count - 1, event.IsChecked());
636 }
637
638 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
639 {
640 wxMenuBar *mbar = GetMenuBar();
641 size_t count = mbar->GetMenuCount();
642
643 wxCHECK_RET( count, _T("no last menu?") );
644
645 wxLogMessage(_T("The label of the last menu item is '%s'"),
646 mbar->GetLabelTop(count - 1).c_str());
647 }
648
649 #if wxUSE_TEXTDLG
650 void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
651 {
652 wxMenuBar *mbar = GetMenuBar();
653 size_t count = mbar->GetMenuCount();
654
655 wxCHECK_RET( count, _T("no last menu?") );
656
657 wxString label = wxGetTextFromUser
658 (
659 _T("Enter new label: "),
660 _T("Change last menu text"),
661 mbar->GetLabelTop(count - 1),
662 this
663 );
664
665 if ( !label.empty() )
666 {
667 mbar->SetLabelTop(count - 1, label);
668 }
669 }
670
671 void MyFrame::OnFindMenu(wxCommandEvent& WXUNUSED(event))
672 {
673 wxMenuBar *mbar = GetMenuBar();
674 size_t count = mbar->GetMenuCount();
675
676 wxCHECK_RET( count, _T("no last menu?") );
677
678 wxString label = wxGetTextFromUser
679 (
680 _T("Enter label to search for: "),
681 _T("Find menu"),
682 _T(""),
683 this
684 );
685
686 if ( !label.empty() )
687 {
688 int index = mbar->FindMenu(label);
689
690 if (index == wxNOT_FOUND)
691 {
692 wxLogWarning(_T("No menu with label '%s'"), label.c_str());
693 }
694 else
695 {
696 wxLogMessage(_T("Menu %d has label '%s'"), index, label.c_str());
697 }
698 }
699 }
700 #endif
701
702 void MyFrame::OnDummy(wxCommandEvent& event)
703 {
704 wxLogMessage(_T("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1);
705 }
706
707 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
708 {
709 wxMenuBar *menubar = GetMenuBar();
710 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
711
712 menu->AppendSeparator();
713 menu->Append(Menu_Dummy_Third, _T("&Third dummy item\tCtrl-F3"),
714 _T("Checkable item"), true);
715 }
716
717 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
718 {
719 wxMenuBar *menubar = GetMenuBar();
720
721 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 2);
722
723 menu->Append(Menu_Dummy_Last, _T("&Dummy sub menu"),
724 CreateDummyMenu(NULL), _T("Dummy sub menu help"));
725 }
726
727 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
728 {
729 wxMenuBar *menubar = GetMenuBar();
730 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
731
732 size_t count = menu->GetMenuItemCount();
733 if ( !count )
734 {
735 wxLogWarning(_T("No items to delete!"));
736 }
737 else
738 {
739 menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
740 }
741 }
742
743 void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
744 {
745 wxMenuBar *menubar = GetMenuBar();
746 wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
747
748 menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
749 _T("Fourth dummy item\tCtrl-F4")));
750 menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, _T("")));
751 }
752
753 void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
754 {
755 wxMenuItem *item = GetLastMenuItem();
756
757 if ( item )
758 {
759 item->Enable(!item->IsEnabled());
760 }
761 }
762
763 void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
764 {
765 wxMenuItem *item = GetLastMenuItem();
766
767 item->Toggle();
768 }
769
770 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
771 {
772 wxLogNull nolog;
773
774 wxMenuItem *item = GetLastMenuItem();
775
776 event.Enable(item && item->IsCheckable());
777 }
778
779 void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
780 {
781 wxMenuItem *item = GetLastMenuItem();
782
783 if ( item )
784 {
785 wxLogMessage(_T("The label of the last menu item is '%s'"),
786 item->GetLabel().c_str());
787 }
788 }
789
790 #if wxUSE_TEXTDLG
791 void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
792 {
793 wxMenuItem *item = GetLastMenuItem();
794
795 if ( item )
796 {
797 wxString label = wxGetTextFromUser
798 (
799 _T("Enter new label: "),
800 _T("Change last menu item text"),
801 item->GetLabel(),
802 this
803 );
804 label.Replace( _T("\\t"), _T("\t") );
805
806 if ( !label.empty() )
807 {
808 item->SetText(label);
809 }
810 }
811 }
812 #endif
813
814 void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
815 {
816 wxMenuItem *item = GetLastMenuItem();
817
818 if ( item )
819 {
820 wxString msg;
821 msg << _T("The item is ") << (item->IsEnabled() ? _T("enabled")
822 : _T("disabled"))
823 << _T('\n');
824
825 if ( item->IsCheckable() )
826 {
827 msg << _T("It is checkable and ") << (item->IsChecked() ? _T("") : _T("un"))
828 << _T("checked\n");
829 }
830
831 #if wxUSE_ACCEL
832 wxAcceleratorEntry *accel = item->GetAccel();
833 if ( accel )
834 {
835 msg << _T("Its accelerator is ");
836
837 int flags = accel->GetFlags();
838 if ( flags & wxACCEL_ALT )
839 msg << _T("Alt-");
840 if ( flags & wxACCEL_CTRL )
841 msg << _T("Ctrl-");
842 if ( flags & wxACCEL_SHIFT )
843 msg << _T("Shift-");
844
845 int code = accel->GetKeyCode();
846 switch ( code )
847 {
848 case WXK_F1:
849 case WXK_F2:
850 case WXK_F3:
851 case WXK_F4:
852 case WXK_F5:
853 case WXK_F6:
854 case WXK_F7:
855 case WXK_F8:
856 case WXK_F9:
857 case WXK_F10:
858 case WXK_F11:
859 case WXK_F12:
860 msg << _T('F') << code - WXK_F1 + 1;
861 break;
862
863 // if there are any other keys wxGetAccelFromString() may return,
864 // we should process them here
865
866 default:
867 if ( wxIsalnum(code) )
868 {
869 msg << (wxChar)code;
870
871 break;
872 }
873
874 wxFAIL_MSG( _T("unknown keyboard accel") );
875 }
876
877 delete accel;
878 }
879 else
880 {
881 msg << _T("It doesn't have an accelerator");
882 }
883 #endif // wxUSE_ACCEL
884
885 wxLogMessage(msg);
886 }
887 }
888
889 #if wxUSE_TEXTDLG
890 void MyFrame::OnFindMenuItem(wxCommandEvent& WXUNUSED(event))
891 {
892 wxMenuBar *mbar = GetMenuBar();
893 size_t count = mbar->GetMenuCount();
894
895 wxCHECK_RET( count, _T("no last menu?") );
896
897 wxString label = wxGetTextFromUser
898 (
899 _T("Enter label to search for: "),
900 _T("Find menu item"),
901 _T(""),
902 this
903 );
904
905 if ( !label.empty() )
906 {
907 size_t menuindex;
908 int index = wxNOT_FOUND;
909
910 for (menuindex = 0; (menuindex < count) && (index == wxNOT_FOUND); ++menuindex)
911 {
912 index = mbar->FindMenuItem(mbar->GetMenu(menuindex)->GetTitle(), label);
913 }
914 if (index == wxNOT_FOUND)
915 {
916 wxLogWarning(_T("No menu item with label '%s'"), label.c_str());
917 }
918 else
919 {
920 wxLogMessage(_T("Menu item %d in menu %lu has label '%s'"),
921 index, (unsigned long)menuindex, label.c_str());
922 }
923 }
924 }
925 #endif
926
927 void MyFrame::ShowContextMenu(const wxPoint& pos)
928 {
929 wxMenu menu(_T("Test popup"));
930
931 menu.Append(Menu_Help_About, _T("&About"));
932 menu.Append(Menu_Popup_Submenu, _T("&Submenu"), CreateDummyMenu(NULL));
933 menu.Append(Menu_Popup_ToBeDeleted, _T("To be &deleted"));
934 menu.AppendCheckItem(Menu_Popup_ToBeChecked, _T("To be &checked"));
935 menu.Append(Menu_Popup_ToBeGreyed, _T("To be &greyed"),
936 _T("This menu item should be initially greyed out"));
937 menu.AppendSeparator();
938 menu.Append(Menu_File_Quit, _T("E&xit"));
939
940 menu.Delete(Menu_Popup_ToBeDeleted);
941 menu.Check(Menu_Popup_ToBeChecked, true);
942 menu.Enable(Menu_Popup_ToBeGreyed, false);
943
944 PopupMenu(&menu, pos.x, pos.y);
945
946 // test for destroying items in popup menus
947 #if 0 // doesn't work in wxGTK!
948 menu.Destroy(Menu_Popup_Submenu);
949
950 PopupMenu( &menu, event.GetX(), event.GetY() );
951 #endif // 0
952 }
953
954 void MyFrame::OnTestNormal(wxCommandEvent& WXUNUSED(event))
955 {
956 wxLogMessage(_T("Normal item selected"));
957 }
958
959 void MyFrame::OnTestCheck(wxCommandEvent& event)
960 {
961 wxLogMessage(_T("Check item %schecked"),
962 event.IsChecked() ? _T("") : _T("un"));
963 }
964
965 void MyFrame::OnTestRadio(wxCommandEvent& event)
966 {
967 wxLogMessage(_T("Radio item %d selected"),
968 event.GetId() - Menu_Test_Radio1 + 1);
969 }
970
971 #if USE_LOG_WINDOW
972 void MyFrame::LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what)
973 {
974 wxString msg;
975 msg << _T("A ")
976 << ( event.IsPopup() ? _T("popup ") : _T("") )
977 << _T("menu has been ")
978 << what
979 << _T(".");
980
981 wxLogStatus(this, msg.c_str());
982 }
983 #endif
984
985 void MyFrame::OnUpdateSubMenuNormal(wxUpdateUIEvent& event)
986 {
987 event.Enable(false);
988 }
989
990 void MyFrame::OnUpdateSubMenuCheck(wxUpdateUIEvent& event)
991 {
992 event.Enable(true);
993 event.Check(true);
994 }
995
996 void MyFrame::OnUpdateSubMenuRadio(wxUpdateUIEvent& event)
997 {
998 int which = (event.GetId() - Menu_SubMenu_Radio1 + 1);
999 if (which == 2)
1000 event.Check(true);
1001 else
1002 event.Check(false);
1003 }
1004
1005 #if USE_CONTEXT_MENU
1006 void MyFrame::OnContextMenu(wxContextMenuEvent& event)
1007 {
1008 wxPoint point = event.GetPosition();
1009 // If from keyboard
1010 if (point.x == -1 && point.y == -1) {
1011 wxSize size = GetSize();
1012 point.x = size.x / 2;
1013 point.y = size.y / 2;
1014 } else {
1015 point = ScreenToClient(point);
1016 }
1017 ShowContextMenu(point);
1018 }
1019 #endif
1020
1021 void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event))
1022 {
1023 #if USE_LOG_WINDOW
1024 if ( !m_textctrl )
1025 return;
1026
1027 // leave a band below for popup menu testing
1028 wxSize size = GetClientSize();
1029 m_textctrl->SetSize(0, 0, size.x, (3*size.y)/4);
1030 #endif
1031
1032 // this is really ugly but we have to do it as we can't just call
1033 // event.Skip() because wxFrameBase would make the text control fill the
1034 // entire frame then
1035 #ifdef __WXUNIVERSAL__
1036 PositionMenuBar();
1037 #endif // __WXUNIVERSAL__
1038 }
1039
wxWidgets (Impactor)