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