src/common/menucmn.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/menucmn.cpp
   3 // Purpose:     wxMenu and wxMenuBar methods common to all ports
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     26.10.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "menubase.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_MENUS
  32
  33 #include <ctype.h>
  34
  35 #ifndef WX_PRECOMP
  36     #include "wx/intl.h"
  37     #include "wx/log.h"
  38     #include "wx/menu.h"
  39 #endif
  40
  41 // ----------------------------------------------------------------------------
  42 // template lists
  43 // ----------------------------------------------------------------------------
  44
  45 #include "wx/listimpl.cpp"
  46
  47 WX_DEFINE_LIST(wxMenuList);
  48 WX_DEFINE_LIST(wxMenuItemList);
  49
  50 // ============================================================================
  51 // implementation
  52 // ============================================================================
  53
  54 // ----------------------------------------------------------------------------
  55 // wxMenuItem
  56 // ----------------------------------------------------------------------------
  57
  58 wxMenuItemBase::wxMenuItemBase(wxMenu *parentMenu,
  59                                int id,
  60                                const wxString& text,
  61                                const wxString& help,
  62                                wxItemKind kind,
  63                                wxMenu *subMenu)
  64               : m_text(text),
  65                 m_help(help)
  66 {
  67     wxASSERT_MSG( parentMenu != NULL, wxT("menuitem should have a menu") );
  68
  69     m_parentMenu  = parentMenu;
  70     m_subMenu     = subMenu;
  71     m_isEnabled   = TRUE;
  72     m_isChecked   = FALSE;
  73     m_id          = id;
  74     m_kind        = kind;
  75 }
  76
  77 wxMenuItemBase::~wxMenuItemBase()
  78 {
  79     delete m_subMenu;
  80 }
  81
  82 #if wxUSE_ACCEL
  83
  84 static inline bool CompareAccelString(const wxString& str, const wxChar *accel)
  85 {
  86 #if wxUSE_INTL
  87     return str == accel || str == wxGetTranslation(accel);
  88 #else
  89     return str == accel;
  90 #endif
  91 }
  92
  93 // return wxAcceleratorEntry for the given menu string or NULL if none
  94 // specified
  95 wxAcceleratorEntry *wxGetAccelFromString(const wxString& label)
  96 {
  97     // check for accelerators: they are given after '\t'
  98     int posTab = label.Find(wxT('\t'));
  99     if ( posTab != wxNOT_FOUND ) {
 100         // parse the accelerator string
 101         int keyCode = 0;
 102         int accelFlags = wxACCEL_NORMAL;
 103         wxString current;
 104         for ( size_t n = (size_t)posTab + 1; n < label.Len(); n++ ) {
 105             if ( (label[n] == '+') || (label[n] == '-') ) {
 106                 if ( CompareAccelString(current, wxTRANSLATE("ctrl")) )
 107                     accelFlags |= wxACCEL_CTRL;
 108                 else if ( CompareAccelString(current, wxTRANSLATE("alt")) )
 109                     accelFlags |= wxACCEL_ALT;
 110                 else if ( CompareAccelString(current, wxTRANSLATE("shift")) )
 111                     accelFlags |= wxACCEL_SHIFT;
 112                 else {
 113                     // we may have "Ctrl-+", for example, but we still want to
 114                     // catch typos like "Crtl-A" so only give the warning if we
 115                     // have something before the current '+' or '-', else take
 116                     // it as a literal symbol
 117                     if ( current.empty() )
 118                     {
 119                         current += label[n];
 120
 121                         // skip clearing it below
 122                         continue;
 123                     }
 124                     else
 125                     {
 126                         wxLogDebug(wxT("Unknown accel modifier: '%s'"),
 127                                    current.c_str());
 128                     }
 129                 }
 130
 131                 current.clear();
 132             }
 133             else {
 134                 current += wxTolower(label[n]);
 135             }
 136         }
 137
 138         if ( current.IsEmpty() ) {
 139             wxLogDebug(wxT("No accel key found, accel string ignored."));
 140         }
 141         else {
 142             if ( current.Len() == 1 ) {
 143                 // it's a letter
 144                 keyCode = current[0U];
 145
 146                 // Only call wxToupper if control, alt, or shift is held down,
 147                 // otherwise lower case accelerators won't work.
 148                 if (accelFlags != wxACCEL_NORMAL) {
 149                     keyCode = wxToupper(keyCode);
 150                 }
 151             }
 152             else {
 153                 // is it a function key?
 154                 if ( current[0U] == 'f' && wxIsdigit(current[1U]) &&
 155                      (current.Len() == 2 ||
 156                      (current.Len() == 3 && wxIsdigit(current[2U]))) ) {
 157                     int n;
 158                     wxSscanf(current.c_str() + 1, wxT("%d"), &n);
 159
 160                     keyCode = WXK_F1 + n - 1;
 161                 }
 162                 else {
 163                     // several special cases
 164                     current.MakeUpper();
 165                     if ( current == wxT("DEL") )
 166                         keyCode = WXK_DELETE;
 167                     else if ( current == wxT("DELETE") )
 168                         keyCode = WXK_DELETE;
 169                     else if ( current == wxT("BACK") )
 170                         keyCode = WXK_BACK;
 171                     else if ( current == wxT("INS") )
 172                         keyCode = WXK_INSERT;
 173                     else if ( current == wxT("INSERT") )
 174                         keyCode = WXK_INSERT;
 175                     else if ( current == wxT("ENTER") || current == wxT("RETURN") )
 176                         keyCode = WXK_RETURN;
 177                     else if ( current == wxT("PGUP") )
 178                         keyCode = WXK_PRIOR;
 179                     else if ( current == wxT("PGDN") )
 180                         keyCode = WXK_NEXT;
 181                     else if ( current == wxT("LEFT") )
 182                         keyCode = WXK_LEFT;
 183                     else if ( current == wxT("RIGHT") )
 184                         keyCode = WXK_RIGHT;
 185                     else if ( current == wxT("UP") )
 186                         keyCode = WXK_UP;
 187                     else if ( current == wxT("DOWN") )
 188                         keyCode = WXK_DOWN;
 189                     else if ( current == wxT("HOME") )
 190                         keyCode = WXK_HOME;
 191                     else if ( current == wxT("END") )
 192                         keyCode = WXK_END;
 193                     else if ( current == wxT("SPACE") )
 194                         keyCode = WXK_SPACE;
 195                     else if ( current == wxT("TAB") )
 196                         keyCode = WXK_TAB;
 197                     else if ( current == wxT("ESC") || current == wxT("ESCAPE") )
 198                         keyCode = WXK_ESCAPE;
 199                     else
 200                     {
 201                         wxLogDebug(wxT("Unrecognized accel key '%s', accel string ignored."),
 202                                    current.c_str());
 203                     }
 204                 }
 205             }
 206         }
 207
 208         if ( keyCode ) {
 209             // we do have something
 210             return new wxAcceleratorEntry(accelFlags, keyCode);
 211         }
 212     }
 213
 214     return (wxAcceleratorEntry *)NULL;
 215 }
 216
 217 wxAcceleratorEntry *wxMenuItemBase::GetAccel() const
 218 {
 219     return wxGetAccelFromString(GetText());
 220 }
 221
 222 void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel)
 223 {
 224     wxString text = m_text.BeforeFirst(wxT('\t'));
 225     if ( accel )
 226     {
 227         text += wxT('\t');
 228
 229         int flags = accel->GetFlags();
 230         if ( flags & wxACCEL_ALT )
 231             text += wxT("Alt-");
 232         if ( flags & wxACCEL_CTRL )
 233             text += wxT("Ctrl-");
 234         if ( flags & wxACCEL_SHIFT )
 235             text += wxT("Shift-");
 236
 237         int code = accel->GetKeyCode();
 238         switch ( code )
 239         {
 240             case WXK_F1:
 241             case WXK_F2:
 242             case WXK_F3:
 243             case WXK_F4:
 244             case WXK_F5:
 245             case WXK_F6:
 246             case WXK_F7:
 247             case WXK_F8:
 248             case WXK_F9:
 249             case WXK_F10:
 250             case WXK_F11:
 251             case WXK_F12:
 252                 text << wxT('F') << code - WXK_F1 + 1;
 253                 break;
 254
 255             // if there are any other keys wxGetAccelFromString() may return,
 256             // we should process them here
 257
 258             default:
 259                 if ( wxIsalnum(code) )
 260                 {
 261                     text << (wxChar)code;
 262
 263                     break;
 264                 }
 265
 266                 wxFAIL_MSG( wxT("unknown keyboard accel") );
 267         }
 268     }
 269
 270     SetText(text);
 271 }
 272
 273 #endif // wxUSE_ACCEL
 274
 275 // ----------------------------------------------------------------------------
 276 // wxMenu ctor and dtor
 277 // ----------------------------------------------------------------------------
 278
 279 void wxMenuBase::Init(long style)
 280 {
 281     m_menuBar = (wxMenuBar *)NULL;
 282     m_menuParent = (wxMenu *)NULL;
 283
 284     m_invokingWindow = (wxWindow *)NULL;
 285     m_style = style;
 286     m_clientData = (void *)NULL;
 287     m_eventHandler = this;
 288 }
 289
 290 wxMenuBase::~wxMenuBase()
 291 {
 292     WX_CLEAR_LIST(wxMenuItemList, m_items);
 293
 294     // Actually, in GTK, the submenus have to get deleted first.
 295 }
 296
 297 // ----------------------------------------------------------------------------
 298 // wxMenu item adding/removing
 299 // ----------------------------------------------------------------------------
 300
 301 void wxMenuBase::AddSubMenu(wxMenu *submenu)
 302 {
 303     wxCHECK_RET( submenu, _T("can't add a NULL submenu") );
 304
 305     if ( m_menuBar )
 306     {
 307         submenu->Attach(m_menuBar);
 308     }
 309
 310     submenu->SetParent((wxMenu *)this);
 311 }
 312
 313 bool wxMenuBase::DoAppend(wxMenuItem *item)
 314 {
 315     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Append()") );
 316
 317     m_items.Append(item);
 318     item->SetMenu((wxMenu*)this);
 319     if ( item->IsSubMenu() )
 320     {
 321         AddSubMenu(item->GetSubMenu());
 322     }
 323
 324     return TRUE;
 325 }
 326
 327 bool wxMenuBase::Insert(size_t pos, wxMenuItem *item)
 328 {
 329     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert") );
 330
 331     if ( pos == GetMenuItemCount() )
 332     {
 333         return DoAppend(item);
 334     }
 335     else
 336     {
 337         wxCHECK_MSG( pos < GetMenuItemCount(), FALSE,
 338                      wxT("invalid index in wxMenu::Insert") );
 339
 340         return DoInsert(pos, item);
 341     }
 342 }
 343
 344 bool wxMenuBase::DoInsert(size_t pos, wxMenuItem *item)
 345 {
 346     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert()") );
 347
 348     wxMenuItemList::compatibility_iterator node = m_items.Item(pos);
 349     wxCHECK_MSG( node, FALSE, wxT("invalid index in wxMenu::Insert()") );
 350
 351     m_items.Insert(node, item);
 352     item->SetMenu((wxMenu*)this);
 353     if ( item->IsSubMenu() )
 354     {
 355         AddSubMenu(item->GetSubMenu());
 356     }
 357
 358     return TRUE;
 359 }
 360
 361 wxMenuItem *wxMenuBase::Remove(wxMenuItem *item)
 362 {
 363     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") );
 364
 365     return DoRemove(item);
 366 }
 367
 368 wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item)
 369 {
 370     wxMenuItemList::compatibility_iterator node = m_items.Find(item);
 371
 372     // if we get here, the item is valid or one of Remove() functions is broken
 373     wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
 374
 375     // we detach the item, but we do delete the list node (i.e. don't call
 376     // DetachNode() here!)
 377     m_items.Erase(node);
 378
 379     // item isn't attached to anything any more
 380     item->SetMenu((wxMenu *)NULL);
 381     wxMenu *submenu = item->GetSubMenu();
 382     if ( submenu )
 383     {
 384         submenu->SetParent((wxMenu *)NULL);
 385     }
 386
 387     return item;
 388 }
 389
 390 bool wxMenuBase::Delete(wxMenuItem *item)
 391 {
 392     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Delete") );
 393
 394     return DoDelete(item);
 395 }
 396
 397 bool wxMenuBase::DoDelete(wxMenuItem *item)
 398 {
 399     wxMenuItem *item2 = DoRemove(item);
 400     wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") );
 401
 402     // don't delete the submenu
 403     item2->SetSubMenu((wxMenu *)NULL);
 404
 405     delete item2;
 406
 407     return TRUE;
 408 }
 409
 410 bool wxMenuBase::Destroy(wxMenuItem *item)
 411 {
 412     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Destroy") );
 413
 414     return DoDestroy(item);
 415 }
 416
 417 bool wxMenuBase::DoDestroy(wxMenuItem *item)
 418 {
 419     wxMenuItem *item2 = DoRemove(item);
 420     wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") );
 421
 422     delete item2;
 423
 424     return TRUE;
 425 }
 426
 427 // ----------------------------------------------------------------------------
 428 // wxMenu searching for items
 429 // ----------------------------------------------------------------------------
 430
 431 // Finds the item id matching the given string, -1 if not found.
 432 int wxMenuBase::FindItem(const wxString& text) const
 433 {
 434     wxString label = wxMenuItem::GetLabelFromText(text);
 435     for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
 436           node;
 437           node = node->GetNext() )
 438     {
 439         wxMenuItem *item = node->GetData();
 440         if ( item->IsSubMenu() )
 441         {
 442             int rc = item->GetSubMenu()->FindItem(label);
 443             if ( rc != wxNOT_FOUND )
 444                 return rc;
 445         }
 446
 447         // we execute this code for submenus as well to alllow finding them by
 448         // name just like the ordinary items
 449         if ( !item->IsSeparator() )
 450         {
 451             if ( item->GetLabel() == label )
 452                 return item->GetId();
 453         }
 454     }
 455
 456     return wxNOT_FOUND;
 457 }
 458
 459 // recursive search for item by id
 460 wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const
 461 {
 462     if ( itemMenu )
 463         *itemMenu = NULL;
 464
 465     wxMenuItem *item = NULL;
 466     for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
 467           node && !item;
 468           node = node->GetNext() )
 469     {
 470         item = node->GetData();
 471
 472         if ( item->GetId() == itemId )
 473         {
 474             if ( itemMenu )
 475                 *itemMenu = (wxMenu *)this;
 476         }
 477         else if ( item->IsSubMenu() )
 478         {
 479             item = item->GetSubMenu()->FindItem(itemId, itemMenu);
 480         }
 481         else
 482         {
 483             // don't exit the loop
 484             item = NULL;
 485         }
 486     }
 487
 488     return item;
 489 }
 490
 491 // non recursive search
 492 wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const
 493 {
 494     wxMenuItem *item = (wxMenuItem *)NULL;
 495     wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
 496
 497     size_t pos;
 498     for ( pos = 0; node; pos++ )
 499     {
 500         if ( node->GetData()->GetId() == id )
 501         {
 502             item = node->GetData();
 503
 504             break;
 505         }
 506
 507         node = node->GetNext();
 508     }
 509
 510     if ( ppos )
 511     {
 512         *ppos = item ? pos : (size_t)wxNOT_FOUND;
 513     }
 514
 515     return item;
 516 }
 517
 518 // find by position
 519 wxMenuItem* wxMenuBase::FindItemByPosition(size_t position) const
 520 {
 521     wxCHECK_MSG( position < m_items.GetCount(), NULL,
 522                  _T("wxMenu::FindItemByPosition(): invalid menu index") );
 523
 524     return m_items.Item( position )->GetData();
 525 }
 526
 527 // ----------------------------------------------------------------------------
 528 // wxMenu helpers used by derived classes
 529 // ----------------------------------------------------------------------------
 530
 531 // Update a menu and all submenus recursively. source is the object that has
 532 // the update event handlers defined for it. If NULL, the menu or associated
 533 // window will be used.
 534 void wxMenuBase::UpdateUI(wxEvtHandler* source)
 535 {
 536     if ( !source && GetInvokingWindow() )
 537         source = GetInvokingWindow()->GetEventHandler();
 538     if ( !source )
 539         source = GetEventHandler();
 540     if ( !source )
 541         source = this;
 542
 543     wxMenuItemList::compatibility_iterator  node = GetMenuItems().GetFirst();
 544     while ( node )
 545     {
 546         wxMenuItem* item = node->GetData();
 547         if ( !item->IsSeparator() )
 548         {
 549             wxWindowID id = item->GetId();
 550             wxUpdateUIEvent event(id);
 551             event.SetEventObject( source );
 552
 553             if ( source->ProcessEvent(event) )
 554             {
 555                 // if anything changed, update the changed attribute
 556                 if (event.GetSetText())
 557                     SetLabel(id, event.GetText());
 558                 if (event.GetSetChecked())
 559                     Check(id, event.GetChecked());
 560                 if (event.GetSetEnabled())
 561                     Enable(id, event.GetEnabled());
 562             }
 563
 564             // recurse to the submenus
 565             if ( item->GetSubMenu() )
 566                 item->GetSubMenu()->UpdateUI(source);
 567         }
 568         //else: item is a separator (which doesn't process update UI events)
 569
 570         node = node->GetNext();
 571     }
 572 }
 573
 574 bool wxMenuBase::SendEvent(int id, int checked)
 575 {
 576     wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
 577     event.SetEventObject(this);
 578     event.SetInt(checked);
 579
 580     bool processed = FALSE;
 581
 582     // Try the menu's event handler
 583     if ( !processed )
 584     {
 585         wxEvtHandler *handler = GetEventHandler();
 586         if ( handler )
 587             processed = handler->ProcessEvent(event);
 588     }
 589
 590     // Try the window the menu was popped up from (and up through the
 591     // hierarchy)
 592     if ( !processed )
 593     {
 594         const wxMenuBase *menu = this;
 595         while ( menu )
 596         {
 597             wxWindow *win = menu->GetInvokingWindow();
 598             if ( win )
 599             {
 600                 processed = win->GetEventHandler()->ProcessEvent(event);
 601                 break;
 602             }
 603
 604             menu = menu->GetParent();
 605         }
 606     }
 607
 608     return processed;
 609 }
 610
 611 // ----------------------------------------------------------------------------
 612 // wxMenu attaching/detaching to/from menu bar
 613 // ----------------------------------------------------------------------------
 614
 615 void wxMenuBase::Attach(wxMenuBarBase *menubar)
 616 {
 617     // use Detach() instead!
 618     wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") );
 619
 620     // use IsAttached() to prevent this from happening
 621     wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") );
 622
 623     m_menuBar = (wxMenuBar *)menubar;
 624 }
 625
 626 void wxMenuBase::Detach()
 627 {
 628     // use IsAttached() to prevent this from happening
 629     wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") );
 630
 631     m_menuBar = NULL;
 632 }
 633
 634 // ----------------------------------------------------------------------------
 635 // wxMenu functions forwarded to wxMenuItem
 636 // ----------------------------------------------------------------------------
 637
 638 void wxMenuBase::Enable( int id, bool enable )
 639 {
 640     wxMenuItem *item = FindItem(id);
 641
 642     wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") );
 643
 644     item->Enable(enable);
 645 }
 646
 647 bool wxMenuBase::IsEnabled( int id ) const
 648 {
 649     wxMenuItem *item = FindItem(id);
 650
 651     wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsEnabled: no such item") );
 652
 653     return item->IsEnabled();
 654 }
 655
 656 void wxMenuBase::Check( int id, bool enable )
 657 {
 658     wxMenuItem *item = FindItem(id);
 659
 660     wxCHECK_RET( item, wxT("wxMenu::Check: no such item") );
 661
 662     item->Check(enable);
 663 }
 664
 665 bool wxMenuBase::IsChecked( int id ) const
 666 {
 667     wxMenuItem *item = FindItem(id);
 668
 669     wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsChecked: no such item") );
 670
 671     return item->IsChecked();
 672 }
 673
 674 void wxMenuBase::SetLabel( int id, const wxString &label )
 675 {
 676     wxMenuItem *item = FindItem(id);
 677
 678     wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
 679
 680     item->SetText(label);
 681 }
 682
 683 wxString wxMenuBase::GetLabel( int id ) const
 684 {
 685     wxMenuItem *item = FindItem(id);
 686
 687     wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetLabel: no such item") );
 688
 689     return item->GetText();
 690 }
 691
 692 void wxMenuBase::SetHelpString( int id, const wxString& helpString )
 693 {
 694     wxMenuItem *item = FindItem(id);
 695
 696     wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") );
 697
 698     item->SetHelp( helpString );
 699 }
 700
 701 wxString wxMenuBase::GetHelpString( int id ) const
 702 {
 703     wxMenuItem *item = FindItem(id);
 704
 705     wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetHelpString: no such item") );
 706
 707     return item->GetHelp();
 708 }
 709
 710 // ----------------------------------------------------------------------------
 711 // wxMenuBarBase ctor and dtor
 712 // ----------------------------------------------------------------------------
 713
 714 wxMenuBarBase::wxMenuBarBase()
 715 {
 716     // not attached yet
 717     m_menuBarFrame = NULL;
 718 }
 719
 720 wxMenuBarBase::~wxMenuBarBase()
 721 {
 722     WX_CLEAR_LIST(wxMenuList, m_menus);
 723 }
 724
 725 // ----------------------------------------------------------------------------
 726 // wxMenuBar item access: the base class versions manage m_menus list, the
 727 // derived class should reflect the changes in the real menubar
 728 // ----------------------------------------------------------------------------
 729
 730 wxMenu *wxMenuBarBase::GetMenu(size_t pos) const
 731 {
 732     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 733     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::GetMenu()") );
 734
 735     return node->GetData();
 736 }
 737
 738 bool wxMenuBarBase::Append(wxMenu *menu, const wxString& WXUNUSED(title))
 739 {
 740     wxCHECK_MSG( menu, FALSE, wxT("can't append NULL menu") );
 741
 742     m_menus.Append(menu);
 743     menu->Attach(this);
 744
 745     return TRUE;
 746 }
 747
 748 bool wxMenuBarBase::Insert(size_t pos, wxMenu *menu,
 749                            const wxString& title)
 750 {
 751     if ( pos == m_menus.GetCount() )
 752     {
 753         return wxMenuBarBase::Append(menu, title);
 754     }
 755     else // not at the end
 756     {
 757         wxCHECK_MSG( menu, FALSE, wxT("can't insert NULL menu") );
 758
 759         wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 760         wxCHECK_MSG( node, FALSE, wxT("bad index in wxMenuBar::Insert()") );
 761
 762         m_menus.Insert(node, menu);
 763         menu->Attach(this);
 764
 765         return TRUE;
 766     }
 767 }
 768
 769 wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu,
 770                                const wxString& WXUNUSED(title))
 771 {
 772     wxCHECK_MSG( menu, NULL, wxT("can't insert NULL menu") );
 773
 774     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 775     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Replace()") );
 776
 777     wxMenu *menuOld = node->GetData();
 778     node->SetData(menu);
 779
 780     menu->Attach(this);
 781     menuOld->Detach();
 782
 783     return menuOld;
 784 }
 785
 786 wxMenu *wxMenuBarBase::Remove(size_t pos)
 787 {
 788     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 789     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Remove()") );
 790
 791     wxMenu *menu = node->GetData();
 792     m_menus.Erase(node);
 793     menu->Detach();
 794
 795     return menu;
 796 }
 797
 798 int wxMenuBarBase::FindMenu(const wxString& title) const
 799 {
 800     wxString label = wxMenuItem::GetLabelFromText(title);
 801
 802     size_t count = GetMenuCount();
 803     for ( size_t i = 0; i < count; i++ )
 804     {
 805         wxString title2 = GetLabelTop(i);
 806         if ( (title2 == title) ||
 807              (wxMenuItem::GetLabelFromText(title2) == label) )
 808         {
 809             // found
 810             return (int)i;
 811         }
 812     }
 813
 814     return wxNOT_FOUND;
 815
 816 }
 817
 818 // ----------------------------------------------------------------------------
 819 // wxMenuBar attaching/detaching to/from the frame
 820 // ----------------------------------------------------------------------------
 821
 822 void wxMenuBarBase::Attach(wxFrame *frame)
 823 {
 824     wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
 825
 826     m_menuBarFrame = frame;
 827 }
 828
 829 void wxMenuBarBase::Detach()
 830 {
 831     wxASSERT_MSG( IsAttached(), wxT("detaching unattached menubar") );
 832
 833     m_menuBarFrame = NULL;
 834 }
 835
 836 // ----------------------------------------------------------------------------
 837 // wxMenuBar searching for items
 838 // ----------------------------------------------------------------------------
 839
 840 wxMenuItem *wxMenuBarBase::FindItem(int id, wxMenu **menu) const
 841 {
 842     if ( menu )
 843         *menu = NULL;
 844
 845     wxMenuItem *item = NULL;
 846     size_t count = GetMenuCount(), i;
 847     wxMenuList::const_iterator it;
 848     for ( i = 0, it = m_menus.begin(); !item && (i < count); i++, it++ )
 849     {
 850         item = (*it)->FindItem(id, menu);
 851     }
 852
 853     return item;
 854 }
 855
 856 int wxMenuBarBase::FindMenuItem(const wxString& menu, const wxString& item) const
 857 {
 858     wxString label = wxMenuItem::GetLabelFromText(menu);
 859
 860     int i = 0;
 861     wxMenuList::compatibility_iterator node;
 862     for ( node = m_menus.GetFirst(); node; node = node->GetNext(), i++ )
 863     {
 864         if ( label == wxMenuItem::GetLabelFromText(GetLabelTop(i)) )
 865             return node->GetData()->FindItem(item);
 866     }
 867
 868     return wxNOT_FOUND;
 869 }
 870
 871 // ---------------------------------------------------------------------------
 872 // wxMenuBar functions forwarded to wxMenuItem
 873 // ---------------------------------------------------------------------------
 874
 875 void wxMenuBarBase::Enable(int id, bool enable)
 876 {
 877     wxMenuItem *item = FindItem(id);
 878
 879     wxCHECK_RET( item, wxT("attempt to enable an item which doesn't exist") );
 880
 881     item->Enable(enable);
 882 }
 883
 884 void wxMenuBarBase::Check(int id, bool check)
 885 {
 886     wxMenuItem *item = FindItem(id);
 887
 888     wxCHECK_RET( item, wxT("attempt to check an item which doesn't exist") );
 889     wxCHECK_RET( item->IsCheckable(), wxT("attempt to check an uncheckable item") );
 890
 891     item->Check(check);
 892 }
 893
 894 bool wxMenuBarBase::IsChecked(int id) const
 895 {
 896     wxMenuItem *item = FindItem(id);
 897
 898     wxCHECK_MSG( item, FALSE, wxT("wxMenuBar::IsChecked(): no such item") );
 899
 900     return item->IsChecked();
 901 }
 902
 903 bool wxMenuBarBase::IsEnabled(int id) const
 904 {
 905     wxMenuItem *item = FindItem(id);
 906
 907     wxCHECK_MSG( item, FALSE, wxT("wxMenuBar::IsEnabled(): no such item") );
 908
 909     return item->IsEnabled();
 910 }
 911
 912 void wxMenuBarBase::SetLabel(int id, const wxString& label)
 913 {
 914     wxMenuItem *item = FindItem(id);
 915
 916     wxCHECK_RET( item, wxT("wxMenuBar::SetLabel(): no such item") );
 917
 918     item->SetText(label);
 919 }
 920
 921 wxString wxMenuBarBase::GetLabel(int id) const
 922 {
 923     wxMenuItem *item = FindItem(id);
 924
 925     wxCHECK_MSG( item, wxEmptyString,
 926                  wxT("wxMenuBar::GetLabel(): no such item") );
 927
 928     return item->GetText();
 929 }
 930
 931 void wxMenuBarBase::SetHelpString(int id, const wxString& helpString)
 932 {
 933     wxMenuItem *item = FindItem(id);
 934
 935     wxCHECK_RET( item, wxT("wxMenuBar::SetHelpString(): no such item") );
 936
 937     item->SetHelp(helpString);
 938 }
 939
 940 wxString wxMenuBarBase::GetHelpString(int id) const
 941 {
 942     wxMenuItem *item = FindItem(id);
 943
 944     wxCHECK_MSG( item, wxEmptyString,
 945                  wxT("wxMenuBar::GetHelpString(): no such item") );
 946
 947     return item->GetHelp();
 948 }
 949
 950 #endif // wxUSE_MENUS