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 = -2;
  51
  52 //
  53 // The unique ID for Menus
  54 //
  55 #ifdef __VISAGECPP__
  56 USHORT                              wxMenu::m_nextMenuId = 0;
  57 #else
  58 static USHORT                       wxMenu::m_nextMenuId = 0;
  59 #endif
  60
  61 // ----------------------------------------------------------------------------
  62 // macros
  63 // ----------------------------------------------------------------------------
  64
  65     IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
  66     IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
  67
  68 // ----------------------------------------------------------------------------
  69 // static function for translating menu labels
  70 // ----------------------------------------------------------------------------
  71
  72 static wxString TextToLabel(
  73   const wxString&                   rsTitle
  74 )
  75 {
  76     wxString                        sTitle = "";
  77     const wxChar*                   zPc;
  78
  79     if (rsTitle.IsEmpty())
  80         return sTitle;
  81     for (zPc = rsTitle.c_str(); *zPc != wxT('\0'); zPc++ )
  82     {
  83         if (*zPc == wxT('&') )
  84         {
  85             if (*(zPc + 1) == wxT('&'))
  86             {
  87                 zPc++;
  88                 sTitle << wxT('&');
  89             }
  90             else
  91                 sTitle << wxT('~');
  92         }
  93         else
  94         {
  95             if ( *zPc == wxT('~') )
  96             {
  97                 //
  98                 // Tildes must be doubled to prevent them from being
  99                 // interpreted as accelerator character prefix by PM ???
 100                 //
 101                 sTitle << *zPc;
 102             }
 103             sTitle << *zPc;
 104         }
 105     }
 106     return sTitle;
 107 } // end of TextToLabel
 108
 109 // ============================================================================
 110 // implementation
 111 // ============================================================================
 112
 113 // ---------------------------------------------------------------------------
 114 // wxMenu construction, adding and removing menu items
 115 // ---------------------------------------------------------------------------
 116
 117 //
 118 // Construct a menu with optional title (then use append)
 119 //
 120 void wxMenu::Init()
 121 {
 122     m_bDoBreak = FALSE;
 123     m_nStartRadioGroup = -1;
 124
 125     //
 126     // Create the menu (to be used as a submenu or a popup)
 127     //
 128     if ((m_hMenu =  ::WinCreateWindow( HWND_DESKTOP
 129                                       ,WC_MENU
 130                                       ,"Menu"
 131                                       ,0L
 132                                       ,0L
 133                                       ,0L
 134                                       ,0L
 135                                       ,0L
 136                                       ,NULLHANDLE
 137                                       ,HWND_TOP
 138                                       ,0L
 139                                       ,NULL
 140                                       ,NULL
 141                                      )) == 0)
 142     {
 143         wxLogLastError("WinLoadMenu");
 144     }
 145     m_vMenuData.iPosition   = 0;
 146     m_vMenuData.afStyle     = MIS_SUBMENU | MIS_TEXT;
 147     m_vMenuData.afAttribute = (USHORT)0;
 148     m_vMenuData.id          = m_nextMenuId++;
 149     m_vMenuData.hwndSubMenu = m_hMenu;
 150     m_vMenuData.hItem       = NULLHANDLE;
 151
 152     //
 153     // If we have a title, insert it in the beginning of the menu
 154     //
 155     if (!m_title.IsEmpty())
 156     {
 157         Append( idMenuTitle
 158                ,m_title
 159                ,wxEmptyString
 160                ,wxITEM_NORMAL
 161               );
 162         AppendSeparator();
 163     }
 164 } // end of wxMenu::Init
 165
 166 //
 167 // The wxWindow destructor will take care of deleting the submenus.
 168 //
 169 wxMenu::~wxMenu()
 170 {
 171     //
 172     // We should free PM resources only if PM doesn't do it for us
 173     // which happens if we're attached to a menubar or a submenu of another
 174     // menu
 175     if (!IsAttached() && !GetParent())
 176     {
 177         if (!::WinDestroyWindow((HWND)GetHmenu()) )
 178         {
 179             wxLogLastError("WinDestroyWindow");
 180         }
 181     }
 182
 183 #if wxUSE_ACCEL
 184     //
 185     // Delete accels
 186     //
 187     WX_CLEAR_ARRAY(m_vAccels);
 188 #endif // wxUSE_ACCEL
 189 } // end of wxMenu::~wxMenu
 190
 191 void wxMenu::Break()
 192 {
 193     // this will take effect during the next call to Append()
 194     m_bDoBreak = TRUE;
 195 } // end of wxMenu::Break
 196
 197 void wxMenu::Attach(
 198   wxMenuBarBase*                    pMenubar
 199 )
 200 {
 201     wxMenuBase::Attach(pMenubar);
 202     EndRadioGroup();
 203 } // end of wxMenu::Break;
 204
 205 #if wxUSE_ACCEL
 206
 207 int wxMenu::FindAccel(
 208   int                               nId
 209 ) const
 210 {
 211     size_t                          n;
 212     size_t                          nCount = m_vAccels.GetCount();
 213
 214     for (n = 0; n < nCount; n++)
 215         if (m_vAccels[n]->m_command == nId)
 216             return n;
 217     return wxNOT_FOUND;
 218 } // end of wxMenu::FindAccel
 219
 220 void wxMenu::UpdateAccel(
 221   wxMenuItem*                       pItem
 222 )
 223 {
 224     if (pItem->IsSubMenu())
 225     {
 226         wxMenu*                     pSubmenu = pItem->GetSubMenu();
 227         wxMenuItemList::Node*       pNode = pSubmenu->GetMenuItems().GetFirst();
 228
 229         while (pNode)
 230         {
 231             UpdateAccel(pNode->GetData());
 232             pNode = pNode->GetNext();
 233         }
 234     }
 235     else if (!pItem->IsSeparator())
 236     {
 237         //
 238         // Find the (new) accel for this item
 239         //
 240         wxAcceleratorEntry*         pAccel = wxGetAccelFromString(pItem->GetText());
 241
 242         if (pAccel)
 243             pAccel->m_command = pItem->GetId();
 244
 245         //
 246         // Find the old one
 247         //
 248         size_t                      n = FindAccel(pItem->GetId());
 249
 250         if (n == wxNOT_FOUND)
 251         {
 252             //
 253             // No old, add new if any
 254             //
 255             if (pAccel)
 256                 m_vAccels.Add(pAccel);
 257             else
 258                 return;
 259         }
 260         else
 261         {
 262             //
 263             // Replace old with new or just remove the old one if no new
 264             //
 265             delete m_vAccels[n];
 266             if (pAccel)
 267                 m_vAccels[n] = pAccel;
 268             else
 269                 m_vAccels.RemoveAt(n);
 270         }
 271
 272         if (IsAttached())
 273         {
 274             m_menuBar->RebuildAccelTable();
 275         }
 276     }
 277 } // wxMenu::UpdateAccel
 278
 279 #endif // wxUSE_ACCEL
 280
 281 //
 282 // Append a new item or submenu to the menu
 283 //
 284 bool wxMenu::DoInsertOrAppend(
 285   wxMenuItem*                       pItem
 286 , size_t                            nPos
 287 )
 288 {
 289     wxMenu*                         pSubmenu = pItem->GetSubMenu();
 290     MENUITEM&                       rItem = (pSubmenu != NULL)?pSubmenu->m_vMenuData:
 291                                             pItem->m_vMenuData;
 292
 293     ERRORID                         vError;
 294     wxString                        sError;
 295     char                            zMsg[128];
 296
 297 #if wxUSE_ACCEL
 298     UpdateAccel(pItem);
 299 #endif // wxUSE_ACCEL
 300
 301     //
 302     // If "Break" has just been called, insert a menu break before this item
 303     // (and don't forget to reset the flag)
 304     //
 305     if (m_bDoBreak)
 306     {
 307         rItem.afStyle |= MIS_BREAK;
 308         m_bDoBreak = FALSE;
 309     }
 310
 311     if (pItem->IsSeparator())
 312     {
 313         rItem.afStyle |= MIS_SEPARATOR;
 314     }
 315
 316     //
 317     // Id is the numeric id for normal menu items and HMENU for submenus as
 318     // required by ::MM_INSERTITEM message API
 319     //
 320
 321     if (pSubmenu != NULL)
 322     {
 323         wxASSERT_MSG(pSubmenu->GetHMenu(), wxT("invalid submenu"));
 324         pSubmenu->SetParent(this);
 325
 326         rItem.iPosition = 0; // submenus have a 0 position
 327         rItem.id        = (USHORT)pSubmenu->GetHMenu();
 328         rItem.afStyle  |= MIS_SUBMENU | MIS_TEXT;
 329     }
 330     else
 331     {
 332         rItem.id = pItem->GetId();
 333     }
 334
 335     BYTE*                           pData;
 336
 337 #if wxUSE_OWNER_DRAWN
 338     if (pItem->IsOwnerDrawn())
 339     {
 340         //
 341         // Want to get {Measure|Draw}Item messages?
 342         // item draws itself, passing pointer to data doesn't work in OS/2
 343         // Will eventually need to set the image handle somewhere into vItem.hItem
 344         //
 345         rItem.afStyle             |= MIS_OWNERDRAW;
 346         pData                      = (BYTE*)NULL;
 347         rItem.hItem                = (HBITMAP)pItem->GetBitmap().GetHBITMAP();
 348         pItem->m_vMenuData.afStyle = rItem.afStyle;
 349         pItem->m_vMenuData.hItem   = rItem.hItem;
 350     }
 351     else
 352 #endif
 353     {
 354         //
 355         // Menu is just a normal string (passed in data parameter)
 356         //
 357         rItem.afStyle |= MIS_TEXT;
 358         pData = (char*)pItem->GetText().c_str();
 359     }
 360
 361     if (nPos == (size_t)-1)
 362     {
 363         rItem.iPosition = MIT_END;
 364     }
 365     else
 366     {
 367         rItem.iPosition = nPos;
 368     }
 369
 370     APIRET                          rc;
 371
 372     rc = (APIRET)::WinSendMsg( GetHmenu()
 373                               ,MM_INSERTITEM
 374                               ,(MPARAM)&rItem
 375                               ,(MPARAM)pData
 376                              );
 377 #if wxUSE_OWNER_DRAWN
 378     if (pItem->IsOwnerDrawn())
 379     {
 380         BOOL                       rc;
 381         MENUITEM                   vMenuItem;
 382
 383         ::WinSendMsg( GetHmenu()
 384                      ,MM_QUERYITEM
 385                      ,MPFROM2SHORT( (USHORT)pItem->GetId()
 386                                    ,(USHORT)(FALSE)
 387                                   )
 388                      ,&vMenuItem
 389                     );
 390     }
 391 #endif
 392     if (rc == MIT_MEMERROR || rc == MIT_ERROR)
 393     {
 394         vError = ::WinGetLastError(vHabmain);
 395         sError = wxPMErrorToStr(vError);
 396         wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError.c_str());
 397         wxLogLastError("Insert or AppendMenu");
 398         return FALSE;
 399     }
 400     else
 401     {
 402         //
 403         // If we're already attached to the menubar, we must update it
 404         //
 405         if (IsAttached() && m_menuBar->IsAttached())
 406         {
 407             m_menuBar->Refresh();
 408         }
 409         return TRUE;
 410     }
 411     return FALSE;
 412 } // end of wxMenu::DoInsertOrAppend
 413
 414 void wxMenu::EndRadioGroup()
 415 {
 416     //
 417     // We're not inside a radio group any longer
 418     //
 419     m_nStartRadioGroup = -1;
 420 } // end of wxMenu::EndRadioGroup
 421
 422 bool wxMenu::DoAppend(
 423   wxMenuItem*                       pItem
 424 )
 425 {
 426     wxCHECK_MSG( pItem, FALSE, _T("NULL item in wxMenu::DoAppend") );
 427
 428     bool                            bCheck = FALSE;
 429
 430     if (pItem->GetKind() == wxITEM_RADIO)
 431     {
 432         int                         nCount = GetMenuItemCount();
 433
 434         if (m_nStartRadioGroup == -1)
 435         {
 436             //
 437             // Start a new radio group
 438             //
 439             m_nStartRadioGroup = nCount;
 440
 441             //
 442             // For now it has just one element
 443             //
 444             pItem->SetAsRadioGroupStart();
 445             pItem->SetRadioGroupEnd(m_nStartRadioGroup);
 446
 447             //
 448             // Ensure that we have a checked item in the radio group
 449             //
 450             bCheck = TRUE;
 451         }
 452         else // extend the current radio group
 453         {
 454             //
 455             // We need to update its end item
 456             //
 457             pItem->SetRadioGroupStart(m_nStartRadioGroup);
 458
 459             wxMenuItemList::Node*   pNode = GetMenuItems().Item(m_nStartRadioGroup);
 460
 461             if (pNode)
 462             {
 463                 pNode->GetData()->SetRadioGroupEnd(nCount);
 464             }
 465             else
 466             {
 467                 wxFAIL_MSG( _T("where is the radio group start item?") );
 468             }
 469         }
 470     }
 471     else // not a radio item
 472     {
 473         EndRadioGroup();
 474     }
 475
 476     if (!wxMenuBase::DoAppend(pItem) || !DoInsertOrAppend(pItem))
 477     {
 478         return FALSE;
 479     }
 480     if (bCheck)
 481     {
 482         //
 483         // Check the item initially
 484         //
 485         pItem->Check(TRUE);
 486     }
 487     return TRUE;
 488 } // end of wxMenu::DoAppend
 489
 490 bool wxMenu::DoInsert(
 491   size_t                            nPos
 492 , wxMenuItem*                       pItem
 493 )
 494 {
 495     return ( wxMenuBase::DoInsert( nPos
 496                                   ,pItem) &&
 497              DoInsertOrAppend( pItem
 498                               ,nPos
 499                              )
 500            );
 501 } // end of wxMenu::DoInsert
 502
 503 wxMenuItem* wxMenu::DoRemove(
 504   wxMenuItem*                       pItem
 505 )
 506 {
 507     //
 508     // We need to find the items position in the child list
 509     //
 510     size_t                          nPos;
 511     wxMenuItemList::Node*           pNode = GetMenuItems().GetFirst();
 512
 513     for (nPos = 0; pNode; nPos++)
 514     {
 515         if (pNode->GetData() == pItem)
 516             break;
 517         pNode = pNode->GetNext();
 518     }
 519
 520     //
 521     // DoRemove() (unlike Remove) can only be called for existing item!
 522     //
 523     wxCHECK_MSG(pNode, NULL, wxT("bug in wxMenu::Remove logic"));
 524
 525 #if wxUSE_ACCEL
 526     //
 527     // Remove the corresponding accel from the accel table
 528     //
 529     int                             n = FindAccel(pItem->GetId());
 530
 531     if (n != wxNOT_FOUND)
 532     {
 533         delete m_vAccels[n];
 534         m_vAccels.RemoveAt(n);
 535     }
 536
 537 #endif // wxUSE_ACCEL
 538     //
 539     // Remove the item from the menu
 540     //
 541     ::WinSendMsg( GetHmenu()
 542                  ,MM_REMOVEITEM
 543                  ,MPFROM2SHORT(pItem->GetId(), TRUE)
 544                  ,(MPARAM)0
 545                 );
 546     if (IsAttached() && m_menuBar->IsAttached())
 547     {
 548         //
 549         // Otherwise, the chane won't be visible
 550         //
 551         m_menuBar->Refresh();
 552     }
 553
 554     //
 555     // And from internal data structures
 556     //
 557     return wxMenuBase::DoRemove(pItem);
 558 } // end of wxMenu::DoRemove
 559
 560 // ---------------------------------------------------------------------------
 561 // accelerator helpers
 562 // ---------------------------------------------------------------------------
 563
 564 #if wxUSE_ACCEL
 565
 566 //
 567 // Create the wxAcceleratorEntries for our accels and put them into provided
 568 // array - return the number of accels we have
 569 //
 570 size_t wxMenu::CopyAccels(
 571   wxAcceleratorEntry*               pAccels
 572 ) const
 573 {
 574     size_t                          nCount = GetAccelCount();
 575
 576     for (size_t n = 0; n < nCount; n++)
 577     {
 578         *pAccels++ = *m_vAccels[n];
 579     }
 580     return nCount;
 581 } // end of wxMenu::CopyAccels
 582
 583 #endif // wxUSE_ACCEL
 584
 585 // ---------------------------------------------------------------------------
 586 // set wxMenu title
 587 // ---------------------------------------------------------------------------
 588
 589 void wxMenu::SetTitle(
 590   const wxString&                   rLabel
 591 )
 592 {
 593     bool                            bHasNoTitle = m_title.IsEmpty();
 594     HWND                            hMenu = GetHmenu();
 595
 596     m_title = rLabel;
 597     if (bHasNoTitle)
 598     {
 599         if (!rLabel.IsEmpty())
 600         {
 601             if (!::WinSetWindowText(hMenu, rLabel.c_str()))
 602             {
 603                 wxLogLastError("SetMenuTitle");
 604             }
 605         }
 606     }
 607     else
 608     {
 609         if (rLabel.IsEmpty() )
 610         {
 611             ::WinSendMsg( GetHmenu()
 612                          ,MM_REMOVEITEM
 613                          ,MPFROM2SHORT(hMenu, TRUE)
 614                          ,(MPARAM)0
 615                         );
 616         }
 617         else
 618         {
 619             //
 620             // Modify the title
 621             //
 622             if (!::WinSetWindowText(hMenu, rLabel.c_str()))
 623             {
 624                 wxLogLastError("SetMenuTitle");
 625             }
 626         }
 627     }
 628 } // end of wxMenu::SetTitle
 629
 630 // ---------------------------------------------------------------------------
 631 // event processing
 632 // ---------------------------------------------------------------------------
 633
 634 bool wxMenu::OS2Command(
 635   WXUINT                            WXUNUSED(uParam)
 636 , WXWORD                            vId
 637 )
 638 {
 639     //
 640     // Ignore commands from the menu title
 641     //
 642
 643     if (vId != (WXWORD)idMenuTitle)
 644     {
 645         SendEvent( vId
 646                   ,(int)::WinSendMsg( GetHmenu()
 647                                      ,MM_QUERYITEMATTR
 648                                      ,(MPARAM)vId
 649                                      ,(MPARAM)MIA_CHECKED
 650                                     )
 651                  );
 652     }
 653     return TRUE;
 654 } // end of wxMenu::OS2Command
 655
 656 // ---------------------------------------------------------------------------
 657 // other
 658 // ---------------------------------------------------------------------------
 659
 660 wxWindow* wxMenu::GetWindow() const
 661 {
 662     if (m_invokingWindow != NULL)
 663         return m_invokingWindow;
 664     else if ( m_menuBar != NULL)
 665         return m_menuBar->GetFrame();
 666
 667     return NULL;
 668 } // end of wxMenu::GetWindow
 669
 670 // recursive search for item by id
 671 wxMenuItem* wxMenu::FindItem(
 672   int                               nItemId
 673 , ULONG                             hItem
 674 , wxMenu**                          ppItemMenu
 675 ) const
 676 {
 677     if ( ppItemMenu )
 678         *ppItemMenu = NULL;
 679
 680     wxMenuItem*                     pItem = NULL;
 681
 682     for ( wxMenuItemList::Node *node = m_items.GetFirst();
 683           node && !pItem;
 684           node = node->GetNext() )
 685     {
 686         pItem = node->GetData();
 687
 688         if ( pItem->GetId() == nItemId && pItem->m_vMenuData.hItem == hItem)
 689         {
 690             if ( ppItemMenu )
 691                 *ppItemMenu = (wxMenu *)this;
 692         }
 693         else if ( pItem->IsSubMenu() )
 694         {
 695             pItem = pItem->GetSubMenu()->FindItem( nItemId
 696                                                   ,hItem
 697                                                   ,ppItemMenu
 698                                                  );
 699             if (pItem)
 700                 break;
 701         }
 702         else
 703         {
 704             // don't exit the loop
 705             pItem = NULL;
 706         }
 707     }
 708     return pItem;
 709 } // end of wxMenu::FindItem
 710
 711 // ---------------------------------------------------------------------------
 712 // Menu Bar
 713 // ---------------------------------------------------------------------------
 714
 715 void wxMenuBar::Init()
 716 {
 717     m_eventHandler = this;
 718     m_menuBarFrame = NULL;
 719     m_hMenu = 0;
 720 } // end of wxMenuBar::Init
 721
 722 wxMenuBar::wxMenuBar()
 723 {
 724     Init();
 725 } // end of wxMenuBar::wxMenuBar
 726
 727 wxMenuBar::wxMenuBar(
 728  long                               WXUNUSED(lStyle)
 729 )
 730 {
 731     Init();
 732 } // end of wxMenuBar::wxMenuBar
 733
 734 wxMenuBar::wxMenuBar(
 735   int                               nCount
 736 , wxMenu*                           vMenus[]
 737 , const wxString                    sTitles[]
 738 )
 739 {
 740     Init();
 741
 742     m_titles.Alloc(nCount);
 743     for ( int i = 0; i < nCount; i++ )
 744     {
 745         m_menus.Append(vMenus[i]);
 746         m_titles.Add(sTitles[i]);
 747         vMenus[i]->Attach(this);
 748     }
 749 } // end of wxMenuBar::wxMenuBar
 750
 751 wxMenuBar::~wxMenuBar()
 752 {
 753     //
 754     // We should free PM's resources only if PM doesn't do it for us
 755     // which happens if we're attached to a frame
 756     //
 757     if (m_hMenu && !IsAttached())
 758     {
 759         ::WinDestroyWindow((HMENU)m_hMenu);
 760         m_hMenu = (WXHMENU)NULL;
 761     }
 762 } // end of wxMenuBar::~wxMenuBar
 763
 764 // ---------------------------------------------------------------------------
 765 // wxMenuBar helpers
 766 // ---------------------------------------------------------------------------
 767
 768 void wxMenuBar::Refresh()
 769 {
 770     wxCHECK_RET( IsAttached(), wxT("can't refresh unatteched menubar") );
 771
 772     WinSendMsg(GetWinHwnd(m_menuBarFrame), WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
 773 } // end of wxMenuBar::Refresh
 774
 775 WXHMENU wxMenuBar::Create()
 776 {
 777     MENUITEM                        vItem;
 778     HWND                            hFrame;
 779
 780     if (m_hMenu != 0 )
 781         return m_hMenu;
 782
 783     wxCHECK_MSG(!m_hMenu, TRUE, wxT("menubar already created"));
 784
 785     //
 786     // Menubars should be associated with a frame otherwise they are popups
 787     //
 788     if (m_menuBarFrame != NULL)
 789         hFrame = GetWinHwnd(m_menuBarFrame);
 790     else
 791         hFrame = HWND_DESKTOP;
 792     //
 793     // Create an empty menu and then fill it with insertions
 794     //
 795     if ((m_hMenu =  ::WinCreateWindow( hFrame
 796                                       ,WC_MENU
 797                                       ,(PSZ)NULL
 798                                       ,MS_ACTIONBAR | WS_SYNCPAINT | WS_VISIBLE
 799                                       ,0L
 800                                       ,0L
 801                                       ,0L
 802                                       ,0L
 803                                       ,hFrame
 804                                       ,HWND_TOP
 805                                       ,FID_MENU
 806                                       ,NULL
 807                                       ,NULL
 808                                      )) == 0)
 809     {
 810         wxLogLastError("WinLoadMenu");
 811     }
 812     else
 813     {
 814         size_t                      nCount = GetMenuCount();
 815
 816         for (size_t i = 0; i < nCount; i++)
 817         {
 818             APIRET                  rc;
 819             ERRORID                 vError;
 820             wxString                sError;
 821             HWND                    hSubMenu;
 822
 823             //
 824             // Set the parent and owner of the submenues to be the menubar, not the desktop
 825             //
 826             hSubMenu = m_menus[i]->m_vMenuData.hwndSubMenu;
 827             if (!::WinSetParent(m_menus[i]->m_vMenuData.hwndSubMenu, m_hMenu, FALSE))
 828             {
 829                 vError = ::WinGetLastError(vHabmain);
 830                 sError = wxPMErrorToStr(vError);
 831                 wxLogError("Error setting parent for submenu. Error: %s\n", sError.c_str());
 832                 return NULLHANDLE;
 833             }
 834
 835             if (!::WinSetOwner(m_menus[i]->m_vMenuData.hwndSubMenu, m_hMenu))
 836             {
 837                 vError = ::WinGetLastError(vHabmain);
 838                 sError = wxPMErrorToStr(vError);
 839                 wxLogError("Error setting parent for submenu. Error: %s\n", sError.c_str());
 840                 return NULLHANDLE;
 841             }
 842
 843             m_menus[i]->m_vMenuData.iPosition = i;
 844
 845             rc = (APIRET)::WinSendMsg(m_hMenu, MM_INSERTITEM, (MPARAM)&m_menus[i]->m_vMenuData, (MPARAM)m_titles[i].c_str());
 846             if (rc == MIT_MEMERROR || rc == MIT_ERROR)
 847             {
 848                 vError = ::WinGetLastError(vHabmain);
 849                 sError = wxPMErrorToStr(vError);
 850                 wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError.c_str());
 851                 return NULLHANDLE;
 852             }
 853         }
 854     }
 855     return m_hMenu;
 856 } // end of wxMenuBar::Create
 857
 858 // ---------------------------------------------------------------------------
 859 // wxMenuBar functions to work with the top level submenus
 860 // ---------------------------------------------------------------------------
 861
 862 //
 863 // NB: we don't support owner drawn top level items for now, if we do these
 864 //     functions would have to be changed to use wxMenuItem as well
 865 //
 866 void wxMenuBar::EnableTop(
 867   size_t                            nPos
 868 , bool                              bEnable
 869 )
 870 {
 871     wxCHECK_RET(IsAttached(), wxT("doesn't work with unattached menubars"));
 872     USHORT                          uFlag = 0;
 873     SHORT                           nId;
 874
 875     if(!bEnable)
 876        uFlag = MIA_DISABLED;
 877
 878     nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
 879     if (nId == MIT_ERROR)
 880     {
 881         wxLogLastError("LogLastError");
 882         return;
 883     }
 884     ::WinSendMsg((HWND)m_hMenu, MM_SETITEMATTR, MPFROM2SHORT(nId, TRUE), MPFROM2SHORT(MIA_DISABLED, uFlag));
 885     Refresh();
 886 } // end of wxMenuBar::EnableTop
 887
 888 void wxMenuBar::SetLabelTop(
 889   size_t                            nPos
 890 , const wxString&                   rLabel
 891 )
 892 {
 893     SHORT                           nId;
 894     MENUITEM                        vItem;
 895
 896     wxCHECK_RET(nPos < GetMenuCount(), wxT("invalid menu index"));
 897     m_titles[nPos] = rLabel;
 898
 899     if (!IsAttached())
 900     {
 901         return;
 902     }
 903
 904     nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
 905     if (nId == MIT_ERROR)
 906     {
 907         wxLogLastError("LogLastError");
 908         return;
 909     }
 910     if(!::WinSendMsg( (HWND)m_hMenu
 911                      ,MM_QUERYITEM
 912                      ,MPFROM2SHORT(nId, TRUE)
 913                      ,MPARAM(&vItem)
 914                     ))
 915     {
 916         wxLogLastError("QueryItem");
 917     }
 918     nId = vItem.id;
 919
 920     if (::WinSendMsg(GetHmenu(), MM_SETITEMTEXT, MPFROMSHORT(nId), (MPARAM)rLabel.c_str()));
 921     {
 922         wxLogLastError("ModifyMenu");
 923     }
 924     Refresh();
 925 } // end of wxMenuBar::SetLabelTop
 926
 927 wxString wxMenuBar::GetLabelTop(
 928   size_t                            nPos
 929 ) const
 930 {
 931     wxCHECK_MSG( nPos < GetMenuCount(), wxEmptyString,
 932                  wxT("invalid menu index in wxMenuBar::GetLabelTop") );
 933     return m_titles[nPos];
 934 } // end of wxMenuBar::GetLabelTop
 935
 936 // ---------------------------------------------------------------------------
 937 // wxMenuBar construction
 938 // ---------------------------------------------------------------------------
 939
 940 wxMenu* wxMenuBar::Replace(
 941   size_t                             nPos
 942 , wxMenu*                            pMenu
 943 , const wxString&                    rTitle
 944 )
 945 {
 946     SHORT                            nId;
 947     wxString                         sTitle = TextToLabel(rTitle);
 948     wxMenu*                          pMenuOld = wxMenuBarBase::Replace( nPos
 949                                                                        ,pMenu
 950                                                                        ,sTitle
 951                                                                       );
 952
 953
 954     nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
 955     if (nId == MIT_ERROR)
 956     {
 957         wxLogLastError("LogLastError");
 958         return NULL;
 959     }
 960     if (!pMenuOld)
 961         return NULL;
 962     m_titles[nPos] = sTitle;
 963     if (IsAttached())
 964     {
 965         ::WinSendMsg((HWND)m_hMenu, MM_REMOVEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
 966         ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
 967
 968 #if wxUSE_ACCEL
 969         if (pMenuOld->HasAccels() || pMenu->HasAccels())
 970         {
 971             //
 972             // Need to rebuild accell table
 973             //
 974             RebuildAccelTable();
 975         }
 976 #endif // wxUSE_ACCEL
 977         Refresh();
 978     }
 979     return pMenuOld;
 980 } // end of wxMenuBar::Replace
 981
 982 bool wxMenuBar::Insert(
 983   size_t                            nPos
 984 , wxMenu*                           pMenu
 985 , const wxString&                   rTitle
 986 )
 987 {
 988     wxString                        sTitle = TextToLabel(rTitle);
 989
 990     if (!wxMenuBarBase::Insert( nPos
 991                                ,pMenu
 992                                ,sTitle
 993                               ))
 994         return FALSE;
 995
 996     m_titles.Insert( sTitle
 997                     ,nPos
 998                    );
 999
1000     if (IsAttached())
1001     {
1002         pMenu->m_vMenuData.iPosition = nPos;
1003         ::WinSendMsg( (HWND)m_hMenu
1004                      ,MM_INSERTITEM
1005                      ,(MPARAM)&pMenu->m_vMenuData
1006                      ,(MPARAM)sTitle.c_str()
1007                     );
1008 #if wxUSE_ACCEL
1009         if (pMenu->HasAccels())
1010         {
1011             // need to rebuild accell table
1012             RebuildAccelTable();
1013         }
1014 #endif // wxUSE_ACCEL
1015         Refresh();
1016     }
1017     return TRUE;
1018 } // end of wxMenuBar::Insert
1019
1020 bool wxMenuBar::Append(
1021   wxMenu*                           pMenu
1022 , const wxString&                   rsTitle
1023 )
1024 {
1025     WXHMENU                         hSubmenu = pMenu ? pMenu->GetHMenu() : 0;
1026
1027     wxCHECK_MSG(hSubmenu, FALSE, wxT("can't append invalid menu to menubar"));
1028
1029     wxString                        sTitle = TextToLabel(rsTitle);
1030
1031     if (!wxMenuBarBase::Append(pMenu, sTitle))
1032         return FALSE;
1033
1034     m_titles.Add(sTitle);
1035
1036     if ( IsAttached() )
1037     {
1038         pMenu->m_vMenuData.iPosition = MIT_END;
1039         ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
1040 #if wxUSE_ACCEL
1041         if (pMenu->HasAccels())
1042         {
1043             //
1044             // Need to rebuild accell table
1045             //
1046             RebuildAccelTable();
1047         }
1048 #endif // wxUSE_ACCEL
1049         Refresh();
1050     }
1051     return TRUE;
1052 } // end of wxMenuBar::Append
1053
1054 wxMenu* wxMenuBar::Remove(
1055   size_t                            nPos
1056 )
1057 {
1058     wxMenu*                         pMenu = wxMenuBarBase::Remove(nPos);
1059     SHORT                           nId;
1060
1061     if (!pMenu)
1062         return NULL;
1063
1064     nId = SHORT1FROMMR(::WinSendMsg( (HWND)GetHmenu()
1065                                     ,MM_ITEMIDFROMPOSITION
1066                                     ,MPFROMSHORT(nPos)
1067                                     ,(MPARAM)0)
1068                                    );
1069     if (nId == MIT_ERROR)
1070     {
1071         wxLogLastError("LogLastError");
1072         return NULL;
1073     }
1074     if (IsAttached())
1075     {
1076         ::WinSendMsg( (HWND)GetHmenu()
1077                      ,MM_REMOVEITEM
1078                      ,MPFROM2SHORT(nId, TRUE)
1079                      ,(MPARAM)0
1080                     );
1081
1082 #if wxUSE_ACCEL
1083         if (pMenu->HasAccels())
1084         {
1085             //
1086             // Need to rebuild accell table
1087             //
1088             RebuildAccelTable();
1089         }
1090 #endif // wxUSE_ACCEL
1091         Refresh();
1092     }
1093     m_titles.Remove(nPos);
1094     return pMenu;
1095 } // end of wxMenuBar::Remove
1096
1097 #if wxUSE_ACCEL
1098
1099 void wxMenuBar::RebuildAccelTable()
1100 {
1101     //
1102     // Merge the accelerators of all menus into one accel table
1103     //
1104     size_t                          nAccelCount = 0;
1105     size_t                          i;
1106     size_t                          nCount = GetMenuCount();
1107
1108     for (i = 0; i < nCount; i++)
1109     {
1110         nAccelCount += m_menus[i]->GetAccelCount();
1111     }
1112
1113     if (nAccelCount)
1114     {
1115         wxAcceleratorEntry*         pAccelEntries = new wxAcceleratorEntry[nAccelCount];
1116
1117         nAccelCount = 0;
1118         for (i = 0; i < nCount; i++)
1119         {
1120             nAccelCount += m_menus[i]->CopyAccels(&pAccelEntries[nAccelCount]);
1121         }
1122         m_vAccelTable = wxAcceleratorTable( nAccelCount
1123                                            ,pAccelEntries
1124                                           );
1125         delete [] pAccelEntries;
1126     }
1127 } // end of wxMenuBar::RebuildAccelTable
1128
1129 #endif // wxUSE_ACCEL
1130
1131 void wxMenuBar::Attach(
1132   wxFrame*                          pFrame
1133 )
1134 {
1135     wxMenuBarBase::Attach(pFrame);
1136
1137 #if wxUSE_ACCEL
1138     RebuildAccelTable();
1139     //
1140     // Ensure the accelerator table is set to the frame (not the client!)
1141     //
1142     if (!::WinSetAccelTable( vHabmain
1143                             ,m_vAccelTable.GetHACCEL()
1144                             ,(HWND)pFrame->GetFrame()
1145                            ))
1146         wxLogLastError("WinSetAccelTable");
1147 #endif // wxUSE_ACCEL
1148 } // end of wxMenuBar::Attach
1149
1150 void wxMenuBar::Detach()
1151 {
1152     ::WinDestroyWindow((HWND)m_hMenu);
1153     m_hMenu = (WXHMENU)NULL;
1154     m_menuBarFrame = NULL;
1155 } // end of wxMenuBar::Detach
1156
1157 // ---------------------------------------------------------------------------
1158 // wxMenuBar searching for menu items
1159 // ---------------------------------------------------------------------------
1160
1161 //
1162 // Find the itemString in menuString, and return the item id or wxNOT_FOUND
1163 //
1164 int wxMenuBar::FindMenuItem(
1165   const wxString&                   rMenuString
1166 , const wxString&                   rItemString
1167 ) const
1168 {
1169     wxString                        sMenuLabel = wxStripMenuCodes(rMenuString);
1170     size_t                          nCount = GetMenuCount();
1171
1172     for (size_t i = 0; i < nCount; i++)
1173     {
1174         wxString                    sTitle = wxStripMenuCodes(m_titles[i]);
1175
1176         if (rMenuString == sTitle)
1177             return m_menus[i]->FindItem(rItemString);
1178     }
1179     return wxNOT_FOUND;
1180 } // end of wxMenuBar::FindMenuItem
1181
1182 wxMenuItem* wxMenuBar::FindItem(
1183   int                               nId
1184 , wxMenu**                          ppItemMenu
1185 ) const
1186 {
1187     if (ppItemMenu)
1188         *ppItemMenu = NULL;
1189
1190     wxMenuItem*                     pItem = NULL;
1191     size_t                          nCount = GetMenuCount();
1192
1193     for (size_t i = 0; !pItem && (i < nCount); i++)
1194     {
1195         pItem = m_menus[i]->FindItem( nId
1196                                      ,ppItemMenu
1197                                     );
1198     }
1199     return pItem;
1200 } // end of wxMenuBar::FindItem
1201
1202 wxMenuItem* wxMenuBar::FindItem(
1203   int                               nId
1204 , ULONG                             hItem
1205 , wxMenu**                          ppItemMenu
1206 ) const
1207 {
1208     if (ppItemMenu)
1209         *ppItemMenu = NULL;
1210
1211     wxMenuItem*                     pItem = NULL;
1212     size_t                          nCount = GetMenuCount();
1213
1214     for (size_t i = 0; !pItem && (i < nCount); i++)
1215     {
1216         pItem = m_menus[i]->FindItem( nId
1217                                      ,hItem
1218                                      ,ppItemMenu
1219                                     );
1220     }
1221     return pItem;
1222 } // end of wxMenuBar::FindItem
1223