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