src/os2/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.cpp
   3 // Purpose:     wxMenu, wxMenuBar, wxMenuItem
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "menu.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/app.h"
  21     #include "wx/frame.h"
  22     #include "wx/menu.h"
  23     #include "wx/utils.h"
  24     #include "wx/intl.h"
  25     #include "wx/log.h"
  26 #endif
  27
  28 #if wxUSE_OWNER_DRAWN
  29     #include "wx/ownerdrw.h"
  30 #endif
  31
  32 #include "wx/os2/private.h"
  33
  34 // other standard headers
  35 #include <string.h>
  36
  37 // ----------------------------------------------------------------------------
  38 // global variables
  39 // ----------------------------------------------------------------------------
  40
  41 extern wxMenu*                      wxCurrentPopupMenu;
  42
  43 // ----------------------------------------------------------------------------
  44 // constants
  45 // ----------------------------------------------------------------------------
  46
  47 //
  48 // The (popup) menu title has this special id
  49 //
  50 static const int                    idMenuTitle = -3;
  51
  52 //
  53 // The unique ID for Menus
  54 //
  55 USHORT                              wxMenu::m_nextMenuId = 0;
  56
  57 // ----------------------------------------------------------------------------
  58 // macros
  59 // ----------------------------------------------------------------------------
  60
  61     IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
  62     IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
  63
  64 // ============================================================================
  65 // implementation
  66 // ============================================================================
  67
  68 // ---------------------------------------------------------------------------
  69 // wxMenu construction, adding and removing menu items
  70 // ---------------------------------------------------------------------------
  71
  72 //
  73 // Construct a menu with optional title (then use append)
  74 //
  75 void wxMenu::Init()
  76 {
  77     m_bDoBreak = FALSE;
  78     m_nStartRadioGroup = -1;
  79
  80     //
  81     // Create the menu (to be used as a submenu or a popup)
  82     //
  83     if ((m_hMenu =  ::WinCreateWindow( HWND_DESKTOP
  84                                       ,WC_MENU
  85                                       ,"Menu"
  86                                       ,0L
  87                                       ,0L
  88                                       ,0L
  89                                       ,0L
  90                                       ,0L
  91                                       ,NULLHANDLE
  92                                       ,HWND_TOP
  93                                       ,0L
  94                                       ,NULL
  95                                       ,NULL
  96                                      )) == 0)
  97     {
  98         wxLogLastError("WinLoadMenu");
  99     }
 100     m_vMenuData.iPosition   = 0;
 101     m_vMenuData.afStyle     = MIS_SUBMENU | MIS_TEXT;
 102     m_vMenuData.afAttribute = (USHORT)0;
 103     m_vMenuData.id          = m_nextMenuId++;
 104     m_vMenuData.hwndSubMenu = m_hMenu;
 105     m_vMenuData.hItem       = NULLHANDLE;
 106
 107     //
 108     // If we have a title, insert it in the beginning of the menu
 109     //
 110     if (!m_title.IsEmpty())
 111     {
 112         Append( idMenuTitle
 113                ,m_title
 114                ,wxEmptyString
 115                ,wxITEM_NORMAL
 116               );
 117         AppendSeparator();
 118     }
 119 } // end of wxMenu::Init
 120
 121 //
 122 // The wxWindow destructor will take care of deleting the submenus.
 123 //
 124 wxMenu::~wxMenu()
 125 {
 126     //
 127     // We should free PM resources only if PM doesn't do it for us
 128     // which happens if we're attached to a menubar or a submenu of another
 129     // menu
 130     if (!IsAttached() && !GetParent())
 131     {
 132         if (!::WinDestroyWindow((HWND)GetHmenu()) )
 133         {
 134             wxLogLastError("WinDestroyWindow");
 135         }
 136     }
 137
 138 #if wxUSE_ACCEL
 139     //
 140     // Delete accels
 141     //
 142     WX_CLEAR_ARRAY(m_vAccels);
 143 #endif // wxUSE_ACCEL
 144 } // end of wxMenu::~wxMenu
 145
 146 void wxMenu::Break()
 147 {
 148     // this will take effect during the next call to Append()
 149     m_bDoBreak = TRUE;
 150 } // end of wxMenu::Break
 151
 152 void wxMenu::Attach(
 153   wxMenuBarBase*                    pMenubar
 154 )
 155 {
 156     wxMenuBase::Attach(pMenubar);
 157     EndRadioGroup();
 158 } // end of wxMenu::Break;
 159
 160 #if wxUSE_ACCEL
 161
 162 int wxMenu::FindAccel(
 163   int                               nId
 164 ) const
 165 {
 166     size_t                          n;
 167     size_t                          nCount = m_vAccels.GetCount();
 168
 169     for (n = 0; n < nCount; n++)
 170         if (m_vAccels[n]->m_command == nId)
 171             return n;
 172     return wxNOT_FOUND;
 173 } // end of wxMenu::FindAccel
 174
 175 void wxMenu::UpdateAccel(
 176   wxMenuItem*                       pItem
 177 )
 178 {
 179     if (pItem->IsSubMenu())
 180     {
 181         wxMenu*                     pSubmenu = pItem->GetSubMenu();
 182         wxMenuItemList::Node*       pNode = pSubmenu->GetMenuItems().GetFirst();
 183
 184         while (pNode)
 185         {
 186             UpdateAccel(pNode->GetData());
 187             pNode = pNode->GetNext();
 188         }
 189     }
 190     else if (!pItem->IsSeparator())
 191     {
 192         //
 193         // Find the (new) accel for this item
 194         //
 195         wxAcceleratorEntry*         pAccel = wxGetAccelFromString(pItem->GetText());
 196
 197         if (pAccel)
 198             pAccel->m_command = pItem->GetId();
 199
 200         //
 201         // Find the old one
 202         //
 203         size_t                      n = FindAccel(pItem->GetId());
 204
 205         if (n == (size_t)wxNOT_FOUND)
 206         {
 207             //
 208             // No old, add new if any
 209             //
 210             if (pAccel)
 211                 m_vAccels.Add(pAccel);
 212             else
 213                 return;
 214         }
 215         else
 216         {
 217             //
 218             // Replace old with new or just remove the old one if no new
 219             //
 220             delete m_vAccels[n];
 221             if (pAccel)
 222                 m_vAccels[n] = pAccel;
 223             else
 224                 m_vAccels.RemoveAt(n);
 225         }
 226
 227         if (IsAttached())
 228         {
 229             GetMenuBar()->RebuildAccelTable();
 230         }
 231     }
 232 } // wxMenu::UpdateAccel
 233
 234 #endif // wxUSE_ACCEL
 235
 236 //
 237 // Append a new item or submenu to the menu
 238 //
 239 bool wxMenu::DoInsertOrAppend(
 240   wxMenuItem*                       pItem
 241 , size_t                            nPos
 242 )
 243 {
 244     wxMenu*                         pSubmenu = pItem->GetSubMenu();
 245     MENUITEM&                       rItem = (pSubmenu != NULL)?pSubmenu->m_vMenuData:
 246                                             pItem->m_vMenuData;
 247
 248     ERRORID                         vError;
 249     wxString                        sError;
 250
 251 #if wxUSE_ACCEL
 252     UpdateAccel(pItem);
 253 #endif // wxUSE_ACCEL
 254
 255     //
 256     // If "Break" has just been called, insert a menu break before this item
 257     // (and don't forget to reset the flag)
 258     //
 259     if (m_bDoBreak)
 260     {
 261         rItem.afStyle |= MIS_BREAK;
 262         m_bDoBreak = FALSE;
 263     }
 264
 265     //
 266     // Id is the numeric id for normal menu items and HMENU for submenus as
 267     // required by ::MM_INSERTITEM message API
 268     //
 269     if (pSubmenu != NULL)
 270     {
 271         wxASSERT_MSG(pSubmenu->GetHMenu(), wxT("invalid submenu"));
 272         pSubmenu->SetParent(this);
 273
 274         rItem.iPosition = 0; // submenus have a 0 position
 275         rItem.id        = (USHORT)pSubmenu->GetHMenu();
 276         rItem.afStyle  |= MIS_SUBMENU | MIS_TEXT;
 277     }
 278     else
 279     {
 280         rItem.id = pItem->GetId();
 281     }
 282
 283     BYTE*                           pData=NULL;
 284
 285 #if wxUSE_OWNER_DRAWN
 286     if (pItem->IsOwnerDrawn())
 287     {
 288         //
 289         // Want to get {Measure|Draw}Item messages?
 290         // item draws itself, passing pointer to data doesn't work in OS/2
 291         // Will eventually need to set the image handle somewhere into vItem.hItem
 292         //
 293         rItem.afStyle             |= MIS_OWNERDRAW;
 294         pData                      = (BYTE*)NULL;
 295         rItem.hItem                = (HBITMAP)pItem->GetBitmap().GetHBITMAP();
 296         pItem->m_vMenuData.afStyle = rItem.afStyle;
 297         pItem->m_vMenuData.hItem   = rItem.hItem;
 298     }
 299     else
 300 #endif
 301     if (pItem->IsSeparator())
 302     {
 303         rItem.afStyle = MIS_SEPARATOR;
 304     }
 305     else
 306     {
 307         if (pItem->GetId() == idMenuTitle)
 308         {
 309             // Item is an unselectable title to be passed via pData
 310             rItem.afStyle = MIS_STATIC;
 311         }
 312         else
 313         {
 314             //
 315             // Menu is just a normal string (passed in data parameter)
 316             //
 317             rItem.afStyle |= MIS_TEXT;
 318         }
 319         pData = (char*)pItem->GetText().c_str();
 320     }
 321
 322     if (nPos == (size_t)-1)
 323     {
 324         rItem.iPosition = MIT_END;
 325     }
 326     else
 327     {
 328         rItem.iPosition = nPos;
 329     }
 330
 331     APIRET                          rc;
 332
 333     rc = (APIRET)::WinSendMsg( GetHmenu()
 334                               ,MM_INSERTITEM
 335                               ,(MPARAM)&rItem
 336                               ,(MPARAM)pData
 337                              );
 338 #if wxUSE_OWNER_DRAWN
 339     if (pItem->IsOwnerDrawn())
 340     {
 341         MENUITEM                   vMenuItem;
 342
 343         ::WinSendMsg( GetHmenu()
 344                      ,MM_QUERYITEM
 345                      ,MPFROM2SHORT( (USHORT)pItem->GetId()
 346                                    ,(USHORT)(FALSE)
 347                                   )
 348                      ,&vMenuItem
 349                     );
 350     }
 351 #endif
 352     if (rc == (APIRET)MIT_MEMERROR || rc == (APIRET)MIT_ERROR)
 353     {
 354         vError = ::WinGetLastError(vHabmain);
 355         sError = wxPMErrorToStr(vError);
 356         wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError.c_str());
 357         wxLogLastError("Insert or AppendMenu");
 358         return FALSE;
 359     }
 360     else
 361     {
 362         //
 363         // If we're already attached to the menubar, we must update it
 364         //
 365         if (IsAttached() && GetMenuBar()->IsAttached())
 366         {
 367             GetMenuBar()->Refresh();
 368         }
 369         return TRUE;
 370     }
 371     return FALSE;
 372 } // end of wxMenu::DoInsertOrAppend
 373
 374 void wxMenu::EndRadioGroup()
 375 {
 376     //
 377     // We're not inside a radio group any longer
 378     //
 379     m_nStartRadioGroup = -1;
 380 } // end of wxMenu::EndRadioGroup
 381
 382 wxMenuItem* wxMenu::DoAppend(
 383   wxMenuItem*                       pItem
 384 )
 385 {
 386     wxCHECK_MSG( pItem, NULL, _T("NULL item in wxMenu::DoAppend") );
 387
 388     bool                            bCheck = FALSE;
 389
 390     if (pItem->GetKind() == wxITEM_RADIO)
 391     {
 392         int                         nCount = GetMenuItemCount();
 393
 394         if (m_nStartRadioGroup == -1)
 395         {
 396             //
 397             // Start a new radio group
 398             //
 399             m_nStartRadioGroup = nCount;
 400
 401             //
 402             // For now it has just one element
 403             //
 404             pItem->SetAsRadioGroupStart();
 405             pItem->SetRadioGroupEnd(m_nStartRadioGroup);
 406
 407             //
 408             // Ensure that we have a checked item in the radio group
 409             //
 410             bCheck = TRUE;
 411         }
 412         else // extend the current radio group
 413         {
 414             //
 415             // We need to update its end item
 416             //
 417             pItem->SetRadioGroupStart(m_nStartRadioGroup);
 418
 419             wxMenuItemList::Node*   pNode = GetMenuItems().Item(m_nStartRadioGroup);
 420
 421             if (pNode)
 422             {
 423                 pNode->GetData()->SetRadioGroupEnd(nCount);
 424             }
 425             else
 426             {
 427                 wxFAIL_MSG( _T("where is the radio group start item?") );
 428             }
 429         }
 430     }
 431     else // not a radio item
 432     {
 433         EndRadioGroup();
 434     }
 435
 436     if (!wxMenuBase::DoAppend(pItem) || !DoInsertOrAppend(pItem))
 437     {
 438         return NULL;
 439     }
 440     if (bCheck)
 441     {
 442         //
 443         // Check the item initially
 444         //
 445         pItem->Check(TRUE);
 446     }
 447     return pItem;
 448 } // end of wxMenu::DoAppend
 449
 450 wxMenuItem* wxMenu::DoInsert(
 451   size_t                            nPos
 452 , wxMenuItem*                       pItem
 453 )
 454 {
 455     if ( wxMenuBase::DoInsert( nPos
 456                                ,pItem) &&
 457              DoInsertOrAppend( pItem
 458                               ,nPos
 459                  ))
 460          return pItem;
 461     else
 462         return NULL;
 463 } // end of wxMenu::DoInsert
 464
 465 wxMenuItem* wxMenu::DoRemove(
 466   wxMenuItem*                       pItem
 467 )
 468 {
 469     //
 470     // We need to find the items position in the child list
 471     //
 472     size_t                          nPos;
 473     wxMenuItemList::Node*           pNode = GetMenuItems().GetFirst();
 474
 475     for (nPos = 0; pNode; nPos++)
 476     {
 477         if (pNode->GetData() == pItem)
 478             break;
 479         pNode = pNode->GetNext();
 480     }
 481
 482     //
 483     // DoRemove() (unlike Remove) can only be called for existing item!
 484     //
 485     wxCHECK_MSG(pNode, NULL, wxT("bug in wxMenu::Remove logic"));
 486
 487 #if wxUSE_ACCEL
 488     //
 489     // Remove the corresponding accel from the accel table
 490     //
 491     int                             n = FindAccel(pItem->GetId());
 492
 493     if (n != wxNOT_FOUND)
 494     {
 495         delete m_vAccels[n];
 496         m_vAccels.RemoveAt(n);
 497     }
 498
 499 #endif // wxUSE_ACCEL
 500     //
 501     // Remove the item from the menu
 502     //
 503     ::WinSendMsg( GetHmenu()
 504                  ,MM_REMOVEITEM
 505                  ,MPFROM2SHORT(pItem->GetId(), TRUE)
 506                  ,(MPARAM)0
 507                 );
 508     if (IsAttached() && GetMenuBar()->IsAttached())
 509     {
 510         //
 511         // Otherwise, the chane won't be visible
 512         //
 513         GetMenuBar()->Refresh();
 514     }
 515
 516     //
 517     // And from internal data structures
 518     //
 519     return wxMenuBase::DoRemove(pItem);
 520 } // end of wxMenu::DoRemove
 521
 522 // ---------------------------------------------------------------------------
 523 // accelerator helpers
 524 // ---------------------------------------------------------------------------
 525
 526 #if wxUSE_ACCEL
 527
 528 //
 529 // Create the wxAcceleratorEntries for our accels and put them into provided
 530 // array - return the number of accels we have
 531 //
 532 size_t wxMenu::CopyAccels(
 533   wxAcceleratorEntry*               pAccels
 534 ) const
 535 {
 536     size_t                          nCount = GetAccelCount();
 537
 538     for (size_t n = 0; n < nCount; n++)
 539     {
 540         *pAccels++ = *m_vAccels[n];
 541     }
 542     return nCount;
 543 } // end of wxMenu::CopyAccels
 544
 545 #endif // wxUSE_ACCEL
 546
 547 // ---------------------------------------------------------------------------
 548 // set wxMenu title
 549 // ---------------------------------------------------------------------------
 550
 551 void wxMenu::SetTitle(
 552   const wxString&                   rLabel
 553 )
 554 {
 555     bool                            bHasNoTitle = m_title.IsEmpty();
 556     HWND                            hMenu = GetHmenu();
 557
 558     m_title = rLabel;
 559     if (bHasNoTitle)
 560     {
 561         if (!rLabel.IsEmpty())
 562         {
 563             if (!::WinSetWindowText(hMenu, rLabel.c_str()))
 564             {
 565                 wxLogLastError("SetMenuTitle");
 566             }
 567         }
 568     }
 569     else
 570     {
 571         if (rLabel.IsEmpty() )
 572         {
 573             ::WinSendMsg( GetHmenu()
 574                          ,MM_REMOVEITEM
 575                          ,MPFROM2SHORT(hMenu, TRUE)
 576                          ,(MPARAM)0
 577                         );
 578         }
 579         else
 580         {
 581             //
 582             // Modify the title
 583             //
 584             if (!::WinSetWindowText(hMenu, rLabel.c_str()))
 585             {
 586                 wxLogLastError("SetMenuTitle");
 587             }
 588         }
 589     }
 590 } // end of wxMenu::SetTitle
 591
 592 // ---------------------------------------------------------------------------
 593 // event processing
 594 // ---------------------------------------------------------------------------
 595
 596 bool wxMenu::OS2Command(
 597   WXUINT                            WXUNUSED(uParam)
 598 , WXWORD                            vId
 599 )
 600 {
 601     //
 602     // Ignore commands from the menu title
 603     //
 604
 605     if (vId != (WXWORD)idMenuTitle)
 606     {
 607         SendEvent( vId
 608                   ,(int)::WinSendMsg( GetHmenu()
 609                                      ,MM_QUERYITEMATTR
 610                                      ,MPFROMSHORT(vId)
 611                                      ,(MPARAM)MIA_CHECKED
 612                                     )
 613                  );
 614     }
 615     return TRUE;
 616 } // end of wxMenu::OS2Command
 617
 618 // ---------------------------------------------------------------------------
 619 // other
 620 // ---------------------------------------------------------------------------
 621
 622 wxWindow* wxMenu::GetWindow() const
 623 {
 624     if (m_invokingWindow != NULL)
 625         return m_invokingWindow;
 626     else if ( GetMenuBar() != NULL)
 627         return GetMenuBar()->GetFrame();
 628
 629     return NULL;
 630 } // end of wxMenu::GetWindow
 631
 632 // recursive search for item by id
 633 wxMenuItem* wxMenu::FindItem(
 634   int                               nItemId
 635 , ULONG                             hItem
 636 , wxMenu**                          ppItemMenu
 637 ) const
 638 {
 639     if ( ppItemMenu )
 640         *ppItemMenu = NULL;
 641
 642     wxMenuItem*                     pItem = NULL;
 643
 644     for ( wxMenuItemList::Node *node = m_items.GetFirst();
 645           node && !pItem;
 646           node = node->GetNext() )
 647     {
 648         pItem = node->GetData();
 649
 650         if ( pItem->GetId() == nItemId && pItem->m_vMenuData.hItem == hItem)
 651         {
 652             if ( ppItemMenu )
 653                 *ppItemMenu = (wxMenu *)this;
 654         }
 655         else if ( pItem->IsSubMenu() )
 656         {
 657             pItem = pItem->GetSubMenu()->FindItem( nItemId
 658                                                   ,hItem
 659                                                   ,ppItemMenu
 660                                                  );
 661             if (pItem)
 662                 break;
 663         }
 664         else
 665         {
 666             // don't exit the loop
 667             pItem = NULL;
 668         }
 669     }
 670     return pItem;
 671 } // end of wxMenu::FindItem
 672
 673 // ---------------------------------------------------------------------------
 674 // Menu Bar
 675 // ---------------------------------------------------------------------------
 676
 677 void wxMenuBar::Init()
 678 {
 679     m_eventHandler = this;
 680     m_menuBarFrame = NULL;
 681     m_hMenu = 0;
 682 } // end of wxMenuBar::Init
 683
 684 wxMenuBar::wxMenuBar()
 685 {
 686     Init();
 687 } // end of wxMenuBar::wxMenuBar
 688
 689 wxMenuBar::wxMenuBar(
 690  long                               WXUNUSED(lStyle)
 691 )
 692 {
 693     Init();
 694 } // end of wxMenuBar::wxMenuBar
 695
 696 wxMenuBar::wxMenuBar(
 697   int                               nCount
 698 , wxMenu*                           vMenus[]
 699 , const wxString                    sTitles[]
 700 )
 701 {
 702     Init();
 703
 704     m_titles.Alloc(nCount);
 705     for ( int i = 0; i < nCount; i++ )
 706     {
 707         m_menus.Append(vMenus[i]);
 708         m_titles.Add(sTitles[i]);
 709         vMenus[i]->Attach(this);
 710     }
 711 } // end of wxMenuBar::wxMenuBar
 712
 713 wxMenuBar::~wxMenuBar()
 714 {
 715     //
 716     // We should free PM's resources only if PM doesn't do it for us
 717     // which happens if we're attached to a frame
 718     //
 719     if (m_hMenu && !IsAttached())
 720     {
 721         ::WinDestroyWindow((HMENU)m_hMenu);
 722         m_hMenu = (WXHMENU)NULL;
 723     }
 724 } // end of wxMenuBar::~wxMenuBar
 725
 726 // ---------------------------------------------------------------------------
 727 // wxMenuBar helpers
 728 // ---------------------------------------------------------------------------
 729
 730 void wxMenuBar::Refresh()
 731 {
 732     wxCHECK_RET( IsAttached(), wxT("can't refresh unatteched menubar") );
 733
 734     WinSendMsg(GetWinHwnd(m_menuBarFrame), WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
 735 } // end of wxMenuBar::Refresh
 736
 737 WXHMENU wxMenuBar::Create()
 738 {
 739     HWND                            hFrame;
 740
 741     if (m_hMenu != 0 )
 742         return m_hMenu;
 743
 744     wxCHECK_MSG(!m_hMenu, TRUE, wxT("menubar already created"));
 745
 746     //
 747     // Menubars should be associated with a frame otherwise they are popups
 748     //
 749     if (m_menuBarFrame != NULL)
 750         hFrame = GetWinHwnd(m_menuBarFrame);
 751     else
 752         hFrame = HWND_DESKTOP;
 753     //
 754     // Create an empty menu and then fill it with insertions
 755     //
 756     if ((m_hMenu =  ::WinCreateWindow( hFrame
 757                                       ,WC_MENU
 758                                       ,(PSZ)NULL
 759                                       ,MS_ACTIONBAR | WS_SYNCPAINT | WS_VISIBLE
 760                                       ,0L
 761                                       ,0L
 762                                       ,0L
 763                                       ,0L
 764                                       ,hFrame
 765                                       ,HWND_TOP
 766                                       ,FID_MENU
 767                                       ,NULL
 768                                       ,NULL
 769                                      )) == 0)
 770     {
 771         wxLogLastError("WinLoadMenu");
 772     }
 773     else
 774     {
 775         size_t                      nCount = GetMenuCount();
 776
 777         for (size_t i = 0; i < nCount; i++)
 778         {
 779             APIRET                  rc;
 780             ERRORID                 vError;
 781             wxString                sError;
 782             HWND                    hSubMenu;
 783
 784             //
 785             // Set the parent and owner of the submenues to be the menubar, not the desktop
 786             //
 787             hSubMenu = m_menus[i]->m_vMenuData.hwndSubMenu;
 788             if (!::WinSetParent(m_menus[i]->m_vMenuData.hwndSubMenu, m_hMenu, FALSE))
 789             {
 790                 vError = ::WinGetLastError(vHabmain);
 791                 sError = wxPMErrorToStr(vError);
 792                 wxLogError("Error setting parent for submenu. Error: %s\n", sError.c_str());
 793                 return NULLHANDLE;
 794             }
 795
 796             if (!::WinSetOwner(m_menus[i]->m_vMenuData.hwndSubMenu, m_hMenu))
 797             {
 798                 vError = ::WinGetLastError(vHabmain);
 799                 sError = wxPMErrorToStr(vError);
 800                 wxLogError("Error setting parent for submenu. Error: %s\n", sError.c_str());
 801                 return NULLHANDLE;
 802             }
 803
 804             m_menus[i]->m_vMenuData.iPosition = i;
 805
 806             rc = (APIRET)::WinSendMsg(m_hMenu, MM_INSERTITEM, (MPARAM)&m_menus[i]->m_vMenuData, (MPARAM)m_titles[i].c_str());
 807             if (rc == (APIRET)MIT_MEMERROR || rc == (APIRET)MIT_ERROR)
 808             {
 809                 vError = ::WinGetLastError(vHabmain);
 810                 sError = wxPMErrorToStr(vError);
 811                 wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError.c_str());
 812                 return NULLHANDLE;
 813             }
 814         }
 815     }
 816     return m_hMenu;
 817 } // end of wxMenuBar::Create
 818
 819 // ---------------------------------------------------------------------------
 820 // wxMenuBar functions to work with the top level submenus
 821 // ---------------------------------------------------------------------------
 822
 823 //
 824 // NB: we don't support owner drawn top level items for now, if we do these
 825 //     functions would have to be changed to use wxMenuItem as well
 826 //
 827 void wxMenuBar::EnableTop(
 828   size_t                            nPos
 829 , bool                              bEnable
 830 )
 831 {
 832     wxCHECK_RET(IsAttached(), wxT("doesn't work with unattached menubars"));
 833     USHORT                          uFlag = 0;
 834     SHORT                           nId;
 835
 836     if(!bEnable)
 837        uFlag = MIA_DISABLED;
 838
 839     nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
 840     if (nId == MIT_ERROR)
 841     {
 842         wxLogLastError("LogLastError");
 843         return;
 844     }
 845     ::WinSendMsg((HWND)m_hMenu, MM_SETITEMATTR, MPFROM2SHORT(nId, TRUE), MPFROM2SHORT(MIA_DISABLED, uFlag));
 846     Refresh();
 847 } // end of wxMenuBar::EnableTop
 848
 849 void wxMenuBar::SetLabelTop(
 850   size_t                            nPos
 851 , const wxString&                   rLabel
 852 )
 853 {
 854     SHORT                           nId;
 855     MENUITEM                        vItem;
 856
 857     wxCHECK_RET(nPos < GetMenuCount(), wxT("invalid menu index"));
 858     m_titles[nPos] = rLabel;
 859
 860     if (!IsAttached())
 861     {
 862         return;
 863     }
 864
 865     nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
 866     if (nId == MIT_ERROR)
 867     {
 868         wxLogLastError("LogLastError");
 869         return;
 870     }
 871     if(!::WinSendMsg( (HWND)m_hMenu
 872                      ,MM_QUERYITEM
 873                      ,MPFROM2SHORT(nId, TRUE)
 874                      ,MPARAM(&vItem)
 875                     ))
 876     {
 877         wxLogLastError("QueryItem");
 878     }
 879     nId = vItem.id;
 880
 881     if (::WinSendMsg(GetHmenu(), MM_SETITEMTEXT, MPFROMSHORT(nId), (MPARAM)rLabel.c_str()));
 882     {
 883         wxLogLastError("ModifyMenu");
 884     }
 885     Refresh();
 886 } // end of wxMenuBar::SetLabelTop
 887
 888 wxString wxMenuBar::GetLabelTop(
 889   size_t                            nPos
 890 ) const
 891 {
 892     wxCHECK_MSG( nPos < GetMenuCount(), wxEmptyString,
 893                  wxT("invalid menu index in wxMenuBar::GetLabelTop") );
 894     return m_titles[nPos];
 895 } // end of wxMenuBar::GetLabelTop
 896
 897 // ---------------------------------------------------------------------------
 898 // wxMenuBar construction
 899 // ---------------------------------------------------------------------------
 900
 901 wxMenu* wxMenuBar::Replace(
 902   size_t                             nPos
 903 , wxMenu*                            pMenu
 904 , const wxString&                    rTitle
 905 )
 906 {
 907     SHORT                            nId;
 908     wxString                         sTitle = wxPMTextToLabel(rTitle);
 909     wxMenu*                          pMenuOld = wxMenuBarBase::Replace( nPos
 910                                                                        ,pMenu
 911                                                                        ,sTitle
 912                                                                       );
 913
 914
 915     nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
 916     if (nId == MIT_ERROR)
 917     {
 918         wxLogLastError("LogLastError");
 919         return NULL;
 920     }
 921     if (!pMenuOld)
 922         return NULL;
 923     m_titles[nPos] = sTitle;
 924     if (IsAttached())
 925     {
 926         ::WinSendMsg((HWND)m_hMenu, MM_REMOVEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
 927         ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
 928
 929 #if wxUSE_ACCEL
 930         if (pMenuOld->HasAccels() || pMenu->HasAccels())
 931         {
 932             //
 933             // Need to rebuild accell table
 934             //
 935             RebuildAccelTable();
 936         }
 937 #endif // wxUSE_ACCEL
 938         Refresh();
 939     }
 940     return pMenuOld;
 941 } // end of wxMenuBar::Replace
 942
 943 bool wxMenuBar::Insert(
 944   size_t                            nPos
 945 , wxMenu*                           pMenu
 946 , const wxString&                   rTitle
 947 )
 948 {
 949     wxString                        sTitle = wxPMTextToLabel(rTitle);
 950
 951     if (!wxMenuBarBase::Insert( nPos
 952                                ,pMenu
 953                                ,sTitle
 954                               ))
 955         return FALSE;
 956
 957     m_titles.Insert( sTitle
 958                     ,nPos
 959                    );
 960
 961     if (IsAttached())
 962     {
 963         pMenu->m_vMenuData.iPosition = nPos;
 964         ::WinSendMsg( (HWND)m_hMenu
 965                      ,MM_INSERTITEM
 966                      ,(MPARAM)&pMenu->m_vMenuData
 967                      ,(MPARAM)sTitle.c_str()
 968                     );
 969 #if wxUSE_ACCEL
 970         if (pMenu->HasAccels())
 971         {
 972             // need to rebuild accell table
 973             RebuildAccelTable();
 974         }
 975 #endif // wxUSE_ACCEL
 976         Refresh();
 977     }
 978     return TRUE;
 979 } // end of wxMenuBar::Insert
 980
 981 bool wxMenuBar::Append(
 982   wxMenu*                           pMenu
 983 , const wxString&                   rsTitle
 984 )
 985 {
 986     WXHMENU                         hSubmenu = pMenu ? pMenu->GetHMenu() : 0;
 987
 988     wxCHECK_MSG(hSubmenu, FALSE, wxT("can't append invalid menu to menubar"));
 989
 990     wxString                        sTitle = wxPMTextToLabel(rsTitle);
 991
 992     if (!wxMenuBarBase::Append(pMenu, sTitle))
 993         return FALSE;
 994
 995     m_titles.Add(sTitle);
 996
 997     if ( IsAttached() )
 998     {
 999         pMenu->m_vMenuData.iPosition = MIT_END;
1000         ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
1001 #if wxUSE_ACCEL
1002         if (pMenu->HasAccels())
1003         {
1004             //
1005             // Need to rebuild accell table
1006             //
1007             RebuildAccelTable();
1008         }
1009 #endif // wxUSE_ACCEL
1010         Refresh();
1011     }
1012     return TRUE;
1013 } // end of wxMenuBar::Append
1014
1015 wxMenu* wxMenuBar::Remove(
1016   size_t                            nPos
1017 )
1018 {
1019     wxMenu*                         pMenu = wxMenuBarBase::Remove(nPos);
1020     SHORT                           nId;
1021
1022     if (!pMenu)
1023         return NULL;
1024
1025     nId = SHORT1FROMMR(::WinSendMsg( (HWND)GetHmenu()
1026                                     ,MM_ITEMIDFROMPOSITION
1027                                     ,MPFROMSHORT(nPos)
1028                                     ,(MPARAM)0)
1029                                    );
1030     if (nId == MIT_ERROR)
1031     {
1032         wxLogLastError("LogLastError");
1033         return NULL;
1034     }
1035     if (IsAttached())
1036     {
1037         ::WinSendMsg( (HWND)GetHmenu()
1038                      ,MM_REMOVEITEM
1039                      ,MPFROM2SHORT(nId, TRUE)
1040                      ,(MPARAM)0
1041                     );
1042
1043 #if wxUSE_ACCEL
1044         if (pMenu->HasAccels())
1045         {
1046             //
1047             // Need to rebuild accell table
1048             //
1049             RebuildAccelTable();
1050         }
1051 #endif // wxUSE_ACCEL
1052         Refresh();
1053     }
1054     m_titles.Remove(nPos);
1055     return pMenu;
1056 } // end of wxMenuBar::Remove
1057
1058 #if wxUSE_ACCEL
1059
1060 void wxMenuBar::RebuildAccelTable()
1061 {
1062     //
1063     // Merge the accelerators of all menus into one accel table
1064     //
1065     size_t                          nAccelCount = 0;
1066     size_t                          i;
1067     size_t                          nCount = GetMenuCount();
1068
1069     for (i = 0; i < nCount; i++)
1070     {
1071         nAccelCount += m_menus[i]->GetAccelCount();
1072     }
1073
1074     if (nAccelCount)
1075     {
1076         wxAcceleratorEntry*         pAccelEntries = new wxAcceleratorEntry[nAccelCount];
1077
1078         nAccelCount = 0;
1079         for (i = 0; i < nCount; i++)
1080         {
1081             nAccelCount += m_menus[i]->CopyAccels(&pAccelEntries[nAccelCount]);
1082         }
1083         m_vAccelTable = wxAcceleratorTable( nAccelCount
1084                                            ,pAccelEntries
1085                                           );
1086         delete [] pAccelEntries;
1087     }
1088 } // end of wxMenuBar::RebuildAccelTable
1089
1090 #endif // wxUSE_ACCEL
1091
1092 void wxMenuBar::Attach(
1093   wxFrame*                          pFrame
1094 )
1095 {
1096     wxMenuBarBase::Attach(pFrame);
1097
1098 #if wxUSE_ACCEL
1099     RebuildAccelTable();
1100     //
1101     // Ensure the accelerator table is set to the frame (not the client!)
1102     //
1103     if (!::WinSetAccelTable( vHabmain
1104                             ,m_vAccelTable.GetHACCEL()
1105                             ,(HWND)pFrame->GetFrame()
1106                            ))
1107         wxLogLastError("WinSetAccelTable");
1108 #endif // wxUSE_ACCEL
1109 } // end of wxMenuBar::Attach
1110
1111 void wxMenuBar::Detach()
1112 {
1113     ::WinDestroyWindow((HWND)m_hMenu);
1114     m_hMenu = (WXHMENU)NULL;
1115     m_menuBarFrame = NULL;
1116 } // end of wxMenuBar::Detach
1117
1118 // ---------------------------------------------------------------------------
1119 // wxMenuBar searching for menu items
1120 // ---------------------------------------------------------------------------
1121
1122 //
1123 // Find the itemString in menuString, and return the item id or wxNOT_FOUND
1124 //
1125 int wxMenuBar::FindMenuItem(
1126   const wxString&                   rMenuString
1127 , const wxString&                   rItemString
1128 ) const
1129 {
1130     wxString                        sMenuLabel = wxStripMenuCodes(rMenuString);
1131     size_t                          nCount = GetMenuCount();
1132
1133     for (size_t i = 0; i < nCount; i++)
1134     {
1135         wxString                    sTitle = wxStripMenuCodes(m_titles[i]);
1136
1137         if (rMenuString == sTitle)
1138             return m_menus[i]->FindItem(rItemString);
1139     }
1140     return wxNOT_FOUND;
1141 } // end of wxMenuBar::FindMenuItem
1142
1143 wxMenuItem* wxMenuBar::FindItem(
1144   int                               nId
1145 , wxMenu**                          ppItemMenu
1146 ) const
1147 {
1148     if (ppItemMenu)
1149         *ppItemMenu = NULL;
1150
1151     wxMenuItem*                     pItem = NULL;
1152     size_t                          nCount = GetMenuCount();
1153
1154     for (size_t i = 0; !pItem && (i < nCount); i++)
1155     {
1156         pItem = m_menus[i]->FindItem( nId
1157                                      ,ppItemMenu
1158                                     );
1159     }
1160     return pItem;
1161 } // end of wxMenuBar::FindItem
1162
1163 wxMenuItem* wxMenuBar::FindItem(
1164   int                               nId
1165 , ULONG                             hItem
1166 , wxMenu**                          ppItemMenu
1167 ) const
1168 {
1169     if (ppItemMenu)
1170         *ppItemMenu = NULL;
1171
1172     wxMenuItem*                     pItem = NULL;
1173     size_t                          nCount = GetMenuCount();
1174
1175     for (size_t i = 0; !pItem && (i < nCount); i++)
1176     {
1177         pItem = m_menus[i]->FindItem( nId
1178                                      ,hItem
1179                                      ,ppItemMenu
1180                                     );
1181     }
1182     return pItem;
1183 } // end of wxMenuBar::FindItem
1184