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) wxWidgets 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     if (m_id == wxID_ANY)
  76         m_id = wxNewId();
  77     if (m_id == wxID_SEPARATOR)
  78         m_kind = wxITEM_SEPARATOR;
  79 }
  80
  81 wxMenuItemBase::~wxMenuItemBase()
  82 {
  83     delete m_subMenu;
  84 }
  85
  86 #if wxUSE_ACCEL
  87
  88 static inline bool CompareAccelString(const wxString& str, const wxChar *accel)
  89 {
  90 #if wxUSE_INTL
  91     return str == accel || str == wxGetTranslation(accel);
  92 #else
  93     return str == accel;
  94 #endif
  95 }
  96
  97 // return wxAcceleratorEntry for the given menu string or NULL if none
  98 // specified
  99 wxAcceleratorEntry *wxGetAccelFromString(const wxString& label)
 100 {
 101     // wxPrintf( wxT("label %s\n"), label.c_str() );
 102
 103     // check for accelerators: they are given after '\t'
 104     int posTab = label.Find(wxT('\t'));
 105     if ( posTab != wxNOT_FOUND ) {
 106         // parse the accelerator string
 107         int keyCode = 0;
 108         int accelFlags = wxACCEL_NORMAL;
 109         wxString current;
 110         for ( size_t n = (size_t)posTab + 1; n < label.Len(); n++ ) {
 111             if ( (label[n] == '+') || (label[n] == '-') ) {
 112                 if ( CompareAccelString(current, wxTRANSLATE("ctrl")) )
 113                     accelFlags |= wxACCEL_CTRL;
 114                 else if ( CompareAccelString(current, wxTRANSLATE("alt")) )
 115                     accelFlags |= wxACCEL_ALT;
 116                 else if ( CompareAccelString(current, wxTRANSLATE("shift")) )
 117                     accelFlags |= wxACCEL_SHIFT;
 118                 else {
 119                     // we may have "Ctrl-+", for example, but we still want to
 120                     // catch typos like "Crtl-A" so only give the warning if we
 121                     // have something before the current '+' or '-', else take
 122                     // it as a literal symbol
 123                     if ( current.empty() )
 124                     {
 125                         current += label[n];
 126
 127                         // skip clearing it below
 128                         continue;
 129                     }
 130                     else
 131                     {
 132                         wxLogDebug(wxT("Unknown accel modifier: '%s'"),
 133                                    current.c_str());
 134                     }
 135                 }
 136
 137                 current.clear();
 138             }
 139             else {
 140                 current += (wxChar) wxTolower(label[n]);
 141             }
 142         }
 143
 144         if ( current.empty() ) {
 145             wxLogDebug(wxT("No accel key found, accel string ignored."));
 146         }
 147         else {
 148             if ( current.Len() == 1 ) {
 149                 // it's a letter
 150                 keyCode = current[0U];
 151
 152                 // Only call wxToupper if control, alt, or shift is held down,
 153                 // otherwise lower case accelerators won't work.
 154                 if (accelFlags != wxACCEL_NORMAL) {
 155                     keyCode = wxToupper(keyCode);
 156                 }
 157             }
 158             else {
 159                 // is it a function key?
 160                 if ( current[0U] == 'f' && wxIsdigit(current[1U]) &&
 161                      (current.Len() == 2 ||
 162                      (current.Len() == 3 && wxIsdigit(current[2U]))) ) {
 163                     keyCode = WXK_F1 + wxAtoi(current.c_str() + 1) - 1;
 164                 }
 165                 else {
 166                     // several special cases
 167                     current.MakeUpper();
 168                     if ( current == wxT("DEL") )
 169                         keyCode = WXK_DELETE;
 170                     else if ( current == wxT("DELETE") )
 171                         keyCode = WXK_DELETE;
 172                     else if ( current == wxT("BACK") )
 173                         keyCode = WXK_BACK;
 174                     else if ( current == wxT("INS") )
 175                         keyCode = WXK_INSERT;
 176                     else if ( current == wxT("INSERT") )
 177                         keyCode = WXK_INSERT;
 178                     else if ( current == wxT("ENTER") || current == wxT("RETURN") )
 179                         keyCode = WXK_RETURN;
 180                     else if ( current == wxT("PGUP") )
 181                         keyCode = WXK_PRIOR;
 182                     else if ( current == wxT("PGDN") )
 183                         keyCode = WXK_NEXT;
 184                     else if ( current == wxT("LEFT") )
 185                         keyCode = WXK_LEFT;
 186                     else if ( current == wxT("RIGHT") )
 187                         keyCode = WXK_RIGHT;
 188                     else if ( current == wxT("UP") )
 189                         keyCode = WXK_UP;
 190                     else if ( current == wxT("DOWN") )
 191                         keyCode = WXK_DOWN;
 192                     else if ( current == wxT("HOME") )
 193                         keyCode = WXK_HOME;
 194                     else if ( current == wxT("END") )
 195                         keyCode = WXK_END;
 196                     else if ( current == wxT("SPACE") )
 197                         keyCode = WXK_SPACE;
 198                     else if ( current == wxT("TAB") )
 199                         keyCode = WXK_TAB;
 200                     else if ( current == wxT("ESC") || current == wxT("ESCAPE") )
 201                         keyCode = WXK_ESCAPE;
 202                     else if ( current == wxT("CANCEL") )
 203                         keyCode = WXK_CANCEL;
 204                     else if ( current == wxT("CLEAR") )
 205                         keyCode = WXK_CLEAR;
 206                     else if ( current == wxT("MENU") )
 207                         keyCode = WXK_MENU;
 208                     else if ( current == wxT("PAUSE") )
 209                         keyCode = WXK_PAUSE;
 210                     else if ( current == wxT("CAPITAL") )
 211                         keyCode = WXK_CAPITAL;
 212                     else if ( current == wxT("SELECT") )
 213                         keyCode = WXK_SELECT;
 214                     else if ( current == wxT("PRINT") )
 215                         keyCode = WXK_PRINT;
 216                     else if ( current == wxT("EXECUTE") )
 217                         keyCode = WXK_EXECUTE;
 218                     else if ( current == wxT("SNAPSHOT") )
 219                         keyCode = WXK_SNAPSHOT;
 220                     else if ( current == wxT("HELP") )
 221                         keyCode = WXK_HELP;
 222                     else if ( current == wxT("HELP") )
 223                         keyCode = WXK_HELP;
 224                     else if ( current == wxT("ADD") )
 225                         keyCode = WXK_ADD;
 226                     else if ( current == wxT("SEPARATOR") )
 227                         keyCode = WXK_SEPARATOR;
 228                     else if ( current == wxT("SUBTRACT") )
 229                         keyCode = WXK_SUBTRACT;
 230                     else if ( current == wxT("DECIMAL") )
 231                         keyCode = WXK_DECIMAL;
 232                     else if ( current == wxT("DIVIDE") )
 233                         keyCode = WXK_DIVIDE;
 234                     else if ( current == wxT("NUM_LOCK") )
 235                         keyCode = WXK_NUMLOCK;
 236                     else if ( current == wxT("SCROLL_LOCK") )
 237                         keyCode = WXK_SCROLL;
 238                     else if ( current == wxT("PAGEUP") )
 239                         keyCode = WXK_PAGEUP;
 240                     else if ( current == wxT("PAGEDOWN") )
 241                         keyCode = WXK_PAGEDOWN;
 242                     else if ( current == wxT("KP_SPACE") )
 243                         keyCode = WXK_NUMPAD_SPACE;
 244                     else if ( current == wxT("KP_TAB") )
 245                         keyCode = WXK_NUMPAD_TAB;
 246                     else if ( current == wxT("KP_ENTER") )
 247                         keyCode = WXK_NUMPAD_ENTER;
 248                     else if ( current == wxT("KP_HOME") )
 249                         keyCode = WXK_NUMPAD_HOME;
 250                     else if ( current == wxT("KP_LEFT") )
 251                         keyCode = WXK_NUMPAD_LEFT;
 252                     else if ( current == wxT("KP_UP") )
 253                         keyCode = WXK_NUMPAD_UP;
 254                     else if ( current == wxT("KP_RIGHT") )
 255                         keyCode = WXK_NUMPAD_RIGHT;
 256                     else if ( current == wxT("KP_DOWN") )
 257                         keyCode = WXK_NUMPAD_DOWN;
 258                     else if ( current == wxT("KP_PRIOR") )
 259                         keyCode = WXK_NUMPAD_PRIOR;
 260                     else if ( current == wxT("KP_PAGEUP") )
 261                         keyCode = WXK_NUMPAD_PAGEUP;
 262                     else if ( current == wxT("KP_NEXT;") )
 263                         keyCode = WXK_NUMPAD_NEXT;
 264                     else if ( current == wxT("KP_PAGEDOWN") )
 265                         keyCode = WXK_NUMPAD_PAGEDOWN;
 266                     else if ( current == wxT("KP_END") )
 267                         keyCode = WXK_NUMPAD_END;
 268                     else if ( current == wxT("KP_BEGIN") )
 269                         keyCode = WXK_NUMPAD_BEGIN;
 270                     else if ( current == wxT("KP_INSERT") )
 271                         keyCode = WXK_NUMPAD_INSERT;
 272                     else if ( current == wxT("KP_DELETE") )
 273                         keyCode = WXK_NUMPAD_DELETE;
 274                     else if ( current == wxT("KP_EQUAL") )
 275                         keyCode = WXK_NUMPAD_EQUAL;
 276                     else if ( current == wxT("KP_MULTIPLY") )
 277                         keyCode = WXK_NUMPAD_MULTIPLY;
 278                     else if ( current == wxT("KP_ADD") )
 279                         keyCode = WXK_NUMPAD_ADD;
 280                     else if ( current == wxT("KP_SEPARATOR") )
 281                         keyCode = WXK_NUMPAD_SEPARATOR;
 282                     else if ( current == wxT("KP_SUBTRACT") )
 283                         keyCode = WXK_NUMPAD_SUBTRACT;
 284                     else if ( current == wxT("KP_DECIMAL") )
 285                         keyCode = WXK_NUMPAD_DECIMAL;
 286                     else if ( current == wxT("KP_DIVIDE") )
 287                         keyCode = WXK_NUMPAD_DIVIDE;
 288                     else if ( current == wxT("WINDOWS_LEFT") )
 289                         keyCode = WXK_WINDOWS_LEFT;
 290                     else if ( current == wxT("WINDOWS_RIGHT") )
 291                         keyCode = WXK_WINDOWS_RIGHT;
 292                     else if ( current == wxT("WINDOWS_MENU") )
 293                         keyCode = WXK_WINDOWS_MENU;
 294                     else if ( current == wxT("COMMAND") )
 295                         keyCode = WXK_COMMAND;
 296                     else if ( current.Left(3) == wxT("KP_") && wxIsdigit(current[3U]) )
 297                         keyCode = WXK_NUMPAD0 + wxAtoi(current.c_str() + 3);
 298                     else if ( current.Left(7) == wxT("SPECIAL") && wxIsdigit(current[7U]) )
 299                         keyCode = WXK_SPECIAL1 + wxAtoi(current.c_str() + 7) - 1;
 300                     else
 301                     {
 302                         wxLogDebug(wxT("Unrecognized accel key '%s', accel string ignored."),
 303                                    current.c_str());
 304                         return NULL;
 305                     }
 306                 }
 307             }
 308         }
 309
 310         if ( keyCode ) {
 311             // we do have something
 312             return new wxAcceleratorEntry(accelFlags, keyCode);
 313         }
 314     }
 315
 316     return (wxAcceleratorEntry *)NULL;
 317 }
 318
 319 wxAcceleratorEntry *wxMenuItemBase::GetAccel() const
 320 {
 321     return wxGetAccelFromString(GetText());
 322 }
 323
 324 void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel)
 325 {
 326     wxString text = m_text.BeforeFirst(wxT('\t'));
 327     if ( accel )
 328     {
 329         text += wxT('\t');
 330
 331         int flags = accel->GetFlags();
 332         if ( flags & wxACCEL_ALT )
 333             text += wxT("Alt-");
 334         if ( flags & wxACCEL_CTRL )
 335             text += wxT("Ctrl-");
 336         if ( flags & wxACCEL_SHIFT )
 337             text += wxT("Shift-");
 338
 339         int code = accel->GetKeyCode();
 340         switch ( code )
 341         {
 342             case WXK_F1:
 343             case WXK_F2:
 344             case WXK_F3:
 345             case WXK_F4:
 346             case WXK_F5:
 347             case WXK_F6:
 348             case WXK_F7:
 349             case WXK_F8:
 350             case WXK_F9:
 351             case WXK_F10:
 352             case WXK_F11:
 353             case WXK_F12:
 354                 text << wxT('F') << code - WXK_F1 + 1;
 355                 break;
 356
 357             // if there are any other keys wxGetAccelFromString() may return,
 358             // we should process them here
 359
 360             default:
 361                 if ( wxIsalnum(code) )
 362                 {
 363                     text << (wxChar)code;
 364
 365                     break;
 366                 }
 367
 368                 wxFAIL_MSG( wxT("unknown keyboard accel") );
 369         }
 370     }
 371
 372     SetText(text);
 373 }
 374
 375 #endif // wxUSE_ACCEL
 376
 377 bool wxMenuBase::ms_locked = true;
 378
 379 // ----------------------------------------------------------------------------
 380 // wxMenu ctor and dtor
 381 // ----------------------------------------------------------------------------
 382
 383 void wxMenuBase::Init(long style)
 384 {
 385     m_menuBar = (wxMenuBar *)NULL;
 386     m_menuParent = (wxMenu *)NULL;
 387
 388     m_invokingWindow = (wxWindow *)NULL;
 389     m_style = style;
 390     m_clientData = (void *)NULL;
 391     m_eventHandler = this;
 392 }
 393
 394 wxMenuBase::~wxMenuBase()
 395 {
 396     WX_CLEAR_LIST(wxMenuItemList, m_items);
 397
 398     // Actually, in GTK, the submenus have to get deleted first.
 399 }
 400
 401 // ----------------------------------------------------------------------------
 402 // wxMenu item adding/removing
 403 // ----------------------------------------------------------------------------
 404
 405 void wxMenuBase::AddSubMenu(wxMenu *submenu)
 406 {
 407     wxCHECK_RET( submenu, _T("can't add a NULL submenu") );
 408
 409     submenu->SetParent((wxMenu *)this);
 410 }
 411
 412 wxMenuItem* wxMenuBase::DoAppend(wxMenuItem *item)
 413 {
 414     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Append()") );
 415
 416     m_items.Append(item);
 417     item->SetMenu((wxMenu*)this);
 418     if ( item->IsSubMenu() )
 419     {
 420         AddSubMenu(item->GetSubMenu());
 421     }
 422
 423     return item;
 424 }
 425
 426 wxMenuItem* wxMenuBase::Insert(size_t pos, wxMenuItem *item)
 427 {
 428     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert") );
 429
 430     if ( pos == GetMenuItemCount() )
 431     {
 432         return DoAppend(item);
 433     }
 434     else
 435     {
 436         wxCHECK_MSG( pos < GetMenuItemCount(), NULL,
 437                      wxT("invalid index in wxMenu::Insert") );
 438
 439         return DoInsert(pos, item);
 440     }
 441 }
 442
 443 wxMenuItem* wxMenuBase::DoInsert(size_t pos, wxMenuItem *item)
 444 {
 445     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert()") );
 446
 447     wxMenuItemList::compatibility_iterator node = m_items.Item(pos);
 448     wxCHECK_MSG( node, NULL, wxT("invalid index in wxMenu::Insert()") );
 449
 450     m_items.Insert(node, item);
 451     item->SetMenu((wxMenu*)this);
 452     if ( item->IsSubMenu() )
 453     {
 454         AddSubMenu(item->GetSubMenu());
 455     }
 456
 457     return item;
 458 }
 459
 460 wxMenuItem *wxMenuBase::Remove(wxMenuItem *item)
 461 {
 462     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") );
 463
 464     return DoRemove(item);
 465 }
 466
 467 wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item)
 468 {
 469     wxMenuItemList::compatibility_iterator node = m_items.Find(item);
 470
 471     // if we get here, the item is valid or one of Remove() functions is broken
 472     wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
 473
 474     // we detach the item, but we do delete the list node (i.e. don't call
 475     // DetachNode() here!)
 476     m_items.Erase(node);
 477
 478     // item isn't attached to anything any more
 479     item->SetMenu((wxMenu *)NULL);
 480     wxMenu *submenu = item->GetSubMenu();
 481     if ( submenu )
 482     {
 483         submenu->SetParent((wxMenu *)NULL);
 484         if ( submenu->IsAttached() )
 485             submenu->Detach();
 486     }
 487
 488     return item;
 489 }
 490
 491 bool wxMenuBase::Delete(wxMenuItem *item)
 492 {
 493     wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Delete") );
 494
 495     return DoDelete(item);
 496 }
 497
 498 bool wxMenuBase::DoDelete(wxMenuItem *item)
 499 {
 500     wxMenuItem *item2 = DoRemove(item);
 501     wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
 502
 503     // don't delete the submenu
 504     item2->SetSubMenu((wxMenu *)NULL);
 505
 506     delete item2;
 507
 508     return true;
 509 }
 510
 511 bool wxMenuBase::Destroy(wxMenuItem *item)
 512 {
 513     wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Destroy") );
 514
 515     return DoDestroy(item);
 516 }
 517
 518 bool wxMenuBase::DoDestroy(wxMenuItem *item)
 519 {
 520     wxMenuItem *item2 = DoRemove(item);
 521     wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
 522
 523     delete item2;
 524
 525     return true;
 526 }
 527
 528 // ----------------------------------------------------------------------------
 529 // wxMenu searching for items
 530 // ----------------------------------------------------------------------------
 531
 532 // Finds the item id matching the given string, wxNOT_FOUND if not found.
 533 int wxMenuBase::FindItem(const wxString& text) const
 534 {
 535     wxString label = wxMenuItem::GetLabelFromText(text);
 536     for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
 537           node;
 538           node = node->GetNext() )
 539     {
 540         wxMenuItem *item = node->GetData();
 541         if ( item->IsSubMenu() )
 542         {
 543             int rc = item->GetSubMenu()->FindItem(label);
 544             if ( rc != wxNOT_FOUND )
 545                 return rc;
 546         }
 547
 548         // we execute this code for submenus as well to alllow finding them by
 549         // name just like the ordinary items
 550         if ( !item->IsSeparator() )
 551         {
 552             if ( item->GetLabel() == label )
 553                 return item->GetId();
 554         }
 555     }
 556
 557     return wxNOT_FOUND;
 558 }
 559
 560 // recursive search for item by id
 561 wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const
 562 {
 563     if ( itemMenu )
 564         *itemMenu = NULL;
 565
 566     wxMenuItem *item = NULL;
 567     for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
 568           node && !item;
 569           node = node->GetNext() )
 570     {
 571         item = node->GetData();
 572
 573         if ( item->GetId() == itemId )
 574         {
 575             if ( itemMenu )
 576                 *itemMenu = (wxMenu *)this;
 577         }
 578         else if ( item->IsSubMenu() )
 579         {
 580             item = item->GetSubMenu()->FindItem(itemId, itemMenu);
 581         }
 582         else
 583         {
 584             // don't exit the loop
 585             item = NULL;
 586         }
 587     }
 588
 589     return item;
 590 }
 591
 592 // non recursive search
 593 wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const
 594 {
 595     wxMenuItem *item = (wxMenuItem *)NULL;
 596     wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
 597
 598     size_t pos;
 599     for ( pos = 0; node; pos++ )
 600     {
 601         if ( node->GetData()->GetId() == id )
 602         {
 603             item = node->GetData();
 604
 605             break;
 606         }
 607
 608         node = node->GetNext();
 609     }
 610
 611     if ( ppos )
 612     {
 613         *ppos = item ? pos : (size_t)wxNOT_FOUND;
 614     }
 615
 616     return item;
 617 }
 618
 619 // find by position
 620 wxMenuItem* wxMenuBase::FindItemByPosition(size_t position) const
 621 {
 622     wxCHECK_MSG( position < m_items.GetCount(), NULL,
 623                  _T("wxMenu::FindItemByPosition(): invalid menu index") );
 624
 625     return m_items.Item( position )->GetData();
 626 }
 627
 628 // ----------------------------------------------------------------------------
 629 // wxMenu helpers used by derived classes
 630 // ----------------------------------------------------------------------------
 631
 632 // Update a menu and all submenus recursively. source is the object that has
 633 // the update event handlers defined for it. If NULL, the menu or associated
 634 // window will be used.
 635 void wxMenuBase::UpdateUI(wxEvtHandler* source)
 636 {
 637     if (GetInvokingWindow())
 638     {
 639         // Don't update menus if the parent
 640         // frame is about to get deleted
 641         wxWindow *tlw = wxGetTopLevelParent( GetInvokingWindow() );
 642         if (tlw && wxPendingDelete.Member(tlw))
 643             return;
 644     }
 645
 646     if ( !source && GetInvokingWindow() )
 647         source = GetInvokingWindow()->GetEventHandler();
 648     if ( !source )
 649         source = GetEventHandler();
 650     if ( !source )
 651         source = this;
 652
 653     wxMenuItemList::compatibility_iterator  node = GetMenuItems().GetFirst();
 654     while ( node )
 655     {
 656         wxMenuItem* item = node->GetData();
 657         if ( !item->IsSeparator() )
 658         {
 659             wxWindowID id = item->GetId();
 660             wxUpdateUIEvent event(id);
 661             event.SetEventObject( source );
 662
 663             if ( source->ProcessEvent(event) )
 664             {
 665                 // if anything changed, update the changed attribute
 666                 if (event.GetSetText())
 667                     SetLabel(id, event.GetText());
 668                 if (event.GetSetChecked())
 669                     Check(id, event.GetChecked());
 670                 if (event.GetSetEnabled())
 671                     Enable(id, event.GetEnabled());
 672             }
 673
 674             // recurse to the submenus
 675             if ( item->GetSubMenu() )
 676                 item->GetSubMenu()->UpdateUI(source);
 677         }
 678         //else: item is a separator (which doesn't process update UI events)
 679
 680         node = node->GetNext();
 681     }
 682 }
 683
 684 bool wxMenuBase::SendEvent(int id, int checked)
 685 {
 686     wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
 687     event.SetEventObject(this);
 688     event.SetInt(checked);
 689
 690     bool processed = false;
 691
 692     // Try the menu's event handler
 693     // if ( !processed )
 694     {
 695         wxEvtHandler *handler = GetEventHandler();
 696         if ( handler )
 697             processed = handler->ProcessEvent(event);
 698     }
 699
 700     // Try the window the menu was popped up from (and up through the
 701     // hierarchy)
 702     if ( !processed )
 703     {
 704         const wxMenuBase *menu = this;
 705         while ( menu )
 706         {
 707             wxWindow *win = menu->GetInvokingWindow();
 708             if ( win )
 709             {
 710                 processed = win->GetEventHandler()->ProcessEvent(event);
 711                 break;
 712             }
 713
 714             menu = menu->GetParent();
 715         }
 716     }
 717
 718     return processed;
 719 }
 720
 721 // ----------------------------------------------------------------------------
 722 // wxMenu attaching/detaching to/from menu bar
 723 // ----------------------------------------------------------------------------
 724
 725 wxMenuBar* wxMenuBase::GetMenuBar() const
 726 {
 727     if(GetParent())
 728         return GetParent()->GetMenuBar();
 729     return m_menuBar;
 730 }
 731
 732 void wxMenuBase::Attach(wxMenuBarBase *menubar)
 733 {
 734     // use Detach() instead!
 735     wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") );
 736
 737     // use IsAttached() to prevent this from happening
 738     wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") );
 739
 740     m_menuBar = (wxMenuBar *)menubar;
 741 }
 742
 743 void wxMenuBase::Detach()
 744 {
 745     // use IsAttached() to prevent this from happening
 746     wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") );
 747
 748     m_menuBar = NULL;
 749 }
 750
 751 // ----------------------------------------------------------------------------
 752 // wxMenu functions forwarded to wxMenuItem
 753 // ----------------------------------------------------------------------------
 754
 755 void wxMenuBase::Enable( int id, bool enable )
 756 {
 757     wxMenuItem *item = FindItem(id);
 758
 759     wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") );
 760
 761     item->Enable(enable);
 762 }
 763
 764 bool wxMenuBase::IsEnabled( int id ) const
 765 {
 766     wxMenuItem *item = FindItem(id);
 767
 768     wxCHECK_MSG( item, false, wxT("wxMenu::IsEnabled: no such item") );
 769
 770     return item->IsEnabled();
 771 }
 772
 773 void wxMenuBase::Check( int id, bool enable )
 774 {
 775     wxMenuItem *item = FindItem(id);
 776
 777     wxCHECK_RET( item, wxT("wxMenu::Check: no such item") );
 778
 779     item->Check(enable);
 780 }
 781
 782 bool wxMenuBase::IsChecked( int id ) const
 783 {
 784     wxMenuItem *item = FindItem(id);
 785
 786     wxCHECK_MSG( item, false, wxT("wxMenu::IsChecked: no such item") );
 787
 788     return item->IsChecked();
 789 }
 790
 791 void wxMenuBase::SetLabel( int id, const wxString &label )
 792 {
 793     wxMenuItem *item = FindItem(id);
 794
 795     wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
 796
 797     item->SetText(label);
 798 }
 799
 800 wxString wxMenuBase::GetLabel( int id ) const
 801 {
 802     wxMenuItem *item = FindItem(id);
 803
 804     wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetLabel: no such item") );
 805
 806     return item->GetText();
 807 }
 808
 809 void wxMenuBase::SetHelpString( int id, const wxString& helpString )
 810 {
 811     wxMenuItem *item = FindItem(id);
 812
 813     wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") );
 814
 815     item->SetHelp( helpString );
 816 }
 817
 818 wxString wxMenuBase::GetHelpString( int id ) const
 819 {
 820     wxMenuItem *item = FindItem(id);
 821
 822     wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetHelpString: no such item") );
 823
 824     return item->GetHelp();
 825 }
 826
 827 // ----------------------------------------------------------------------------
 828 // wxMenuBarBase ctor and dtor
 829 // ----------------------------------------------------------------------------
 830
 831 wxMenuBarBase::wxMenuBarBase()
 832 {
 833     // not attached yet
 834     m_menuBarFrame = NULL;
 835 }
 836
 837 wxMenuBarBase::~wxMenuBarBase()
 838 {
 839     WX_CLEAR_LIST(wxMenuList, m_menus);
 840 }
 841
 842 // ----------------------------------------------------------------------------
 843 // wxMenuBar item access: the base class versions manage m_menus list, the
 844 // derived class should reflect the changes in the real menubar
 845 // ----------------------------------------------------------------------------
 846
 847 wxMenu *wxMenuBarBase::GetMenu(size_t pos) const
 848 {
 849     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 850     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::GetMenu()") );
 851
 852     return node->GetData();
 853 }
 854
 855 bool wxMenuBarBase::Append(wxMenu *menu, const wxString& WXUNUSED(title))
 856 {
 857     wxCHECK_MSG( menu, false, wxT("can't append NULL menu") );
 858
 859     m_menus.Append(menu);
 860     menu->Attach(this);
 861
 862     return true;
 863 }
 864
 865 bool wxMenuBarBase::Insert(size_t pos, wxMenu *menu,
 866                            const wxString& title)
 867 {
 868     if ( pos == m_menus.GetCount() )
 869     {
 870         return wxMenuBarBase::Append(menu, title);
 871     }
 872     else // not at the end
 873     {
 874         wxCHECK_MSG( menu, false, wxT("can't insert NULL menu") );
 875
 876         wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 877         wxCHECK_MSG( node, false, wxT("bad index in wxMenuBar::Insert()") );
 878
 879         m_menus.Insert(node, menu);
 880         menu->Attach(this);
 881
 882         return true;
 883     }
 884 }
 885
 886 wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu,
 887                                const wxString& WXUNUSED(title))
 888 {
 889     wxCHECK_MSG( menu, NULL, wxT("can't insert NULL menu") );
 890
 891     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 892     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Replace()") );
 893
 894     wxMenu *menuOld = node->GetData();
 895     node->SetData(menu);
 896
 897     menu->Attach(this);
 898     menuOld->Detach();
 899
 900     return menuOld;
 901 }
 902
 903 wxMenu *wxMenuBarBase::Remove(size_t pos)
 904 {
 905     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 906     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Remove()") );
 907
 908     wxMenu *menu = node->GetData();
 909     m_menus.Erase(node);
 910     menu->Detach();
 911
 912     return menu;
 913 }
 914
 915 int wxMenuBarBase::FindMenu(const wxString& title) const
 916 {
 917     wxString label = wxMenuItem::GetLabelFromText(title);
 918
 919     size_t count = GetMenuCount();
 920     for ( size_t i = 0; i < count; i++ )
 921     {
 922         wxString title2 = GetLabelTop(i);
 923         if ( (title2 == title) ||
 924              (wxMenuItem::GetLabelFromText(title2) == label) )
 925         {
 926             // found
 927             return (int)i;
 928         }
 929     }
 930
 931     return wxNOT_FOUND;
 932
 933 }
 934
 935 // ----------------------------------------------------------------------------
 936 // wxMenuBar attaching/detaching to/from the frame
 937 // ----------------------------------------------------------------------------
 938
 939 void wxMenuBarBase::Attach(wxFrame *frame)
 940 {
 941     wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
 942
 943     m_menuBarFrame = frame;
 944 }
 945
 946 void wxMenuBarBase::Detach()
 947 {
 948     wxASSERT_MSG( IsAttached(), wxT("detaching unattached menubar") );
 949
 950     m_menuBarFrame = NULL;
 951 }
 952
 953 // ----------------------------------------------------------------------------
 954 // wxMenuBar searching for items
 955 // ----------------------------------------------------------------------------
 956
 957 wxMenuItem *wxMenuBarBase::FindItem(int id, wxMenu **menu) const
 958 {
 959     if ( menu )
 960         *menu = NULL;
 961
 962     wxMenuItem *item = NULL;
 963     size_t count = GetMenuCount(), i;
 964     wxMenuList::const_iterator it;
 965     for ( i = 0, it = m_menus.begin(); !item && (i < count); i++, it++ )
 966     {
 967         item = (*it)->FindItem(id, menu);
 968     }
 969
 970     return item;
 971 }
 972
 973 int wxMenuBarBase::FindMenuItem(const wxString& menu, const wxString& item) const
 974 {
 975     wxString label = wxMenuItem::GetLabelFromText(menu);
 976
 977     int i = 0;
 978     wxMenuList::compatibility_iterator node;
 979     for ( node = m_menus.GetFirst(); node; node = node->GetNext(), i++ )
 980     {
 981         if ( label == wxMenuItem::GetLabelFromText(GetLabelTop(i)) )
 982             return node->GetData()->FindItem(item);
 983     }
 984
 985     return wxNOT_FOUND;
 986 }
 987
 988 // ---------------------------------------------------------------------------
 989 // wxMenuBar functions forwarded to wxMenuItem
 990 // ---------------------------------------------------------------------------
 991
 992 void wxMenuBarBase::Enable(int id, bool enable)
 993 {
 994     wxMenuItem *item = FindItem(id);
 995
 996     wxCHECK_RET( item, wxT("attempt to enable an item which doesn't exist") );
 997
 998     item->Enable(enable);
 999 }
1000
1001 void wxMenuBarBase::Check(int id, bool check)
1002 {
1003     wxMenuItem *item = FindItem(id);
1004
1005     wxCHECK_RET( item, wxT("attempt to check an item which doesn't exist") );
1006     wxCHECK_RET( item->IsCheckable(), wxT("attempt to check an uncheckable item") );
1007
1008     item->Check(check);
1009 }
1010
1011 bool wxMenuBarBase::IsChecked(int id) const
1012 {
1013     wxMenuItem *item = FindItem(id);
1014
1015     wxCHECK_MSG( item, false, wxT("wxMenuBar::IsChecked(): no such item") );
1016
1017     return item->IsChecked();
1018 }
1019
1020 bool wxMenuBarBase::IsEnabled(int id) const
1021 {
1022     wxMenuItem *item = FindItem(id);
1023
1024     wxCHECK_MSG( item, false, wxT("wxMenuBar::IsEnabled(): no such item") );
1025
1026     return item->IsEnabled();
1027 }
1028
1029 void wxMenuBarBase::SetLabel(int id, const wxString& label)
1030 {
1031     wxMenuItem *item = FindItem(id);
1032
1033     wxCHECK_RET( item, wxT("wxMenuBar::SetLabel(): no such item") );
1034
1035     item->SetText(label);
1036 }
1037
1038 wxString wxMenuBarBase::GetLabel(int id) const
1039 {
1040     wxMenuItem *item = FindItem(id);
1041
1042     wxCHECK_MSG( item, wxEmptyString,
1043                  wxT("wxMenuBar::GetLabel(): no such item") );
1044
1045     return item->GetText();
1046 }
1047
1048 void wxMenuBarBase::SetHelpString(int id, const wxString& helpString)
1049 {
1050     wxMenuItem *item = FindItem(id);
1051
1052     wxCHECK_RET( item, wxT("wxMenuBar::SetHelpString(): no such item") );
1053
1054     item->SetHelp(helpString);
1055 }
1056
1057 wxString wxMenuBarBase::GetHelpString(int id) const
1058 {
1059     wxMenuItem *item = FindItem(id);
1060
1061     wxCHECK_MSG( item, wxEmptyString,
1062                  wxT("wxMenuBar::GetHelpString(): no such item") );
1063
1064     return item->GetHelp();
1065 }
1066
1067 #endif // wxUSE_MENUS