src/mac/listbox.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        listbox.cpp
   3 // Purpose:     wxListBox
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "listbox.h"
  14 #endif
  15
  16 #include "wx/app.h"
  17 #include "wx/listbox.h"
  18 #include "wx/settings.h"
  19 #include "wx/dynarray.h"
  20 #include "wx/log.h"
  21
  22 #include "wx/utils.h"
  23 #ifndef __DARWIN__
  24   #include "extldef.h"
  25 #endif
  26
  27 #if !USE_SHARED_LIBRARY
  28   IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
  29
  30 BEGIN_EVENT_TABLE(wxListBox, wxControl)
  31         EVT_SIZE( wxListBox::OnSize )
  32 END_EVENT_TABLE()
  33 #endif
  34
  35 #include "wx/mac/uma.h"
  36
  37 extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ;
  38 const short kwxMacListWithVerticalScrollbar = 128 ;
  39
  40 // ============================================================================
  41 // list box control implementation
  42 // ============================================================================
  43
  44 // Listbox item
  45 wxListBox::wxListBox()
  46 {
  47   m_noItems = 0;
  48   m_selected = 0;
  49   m_macList = NULL ;
  50 }
  51
  52 bool wxListBox::Create(wxWindow *parent, wxWindowID id,
  53                        const wxPoint& pos,
  54                        const wxSize& size,
  55                        int n, const wxString choices[],
  56                        long style,
  57                        const wxValidator& validator,
  58                        const wxString& name)
  59 {
  60     m_noItems = 0 ; // this will be increased by our append command
  61     m_selected = 0;
  62
  63     Rect bounds ;
  64     Str255 title ;
  65
  66     MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
  67
  68 #if TARGET_CARBON
  69     ListDefSpec listDef;
  70     OptionBits  options;
  71     Size asize;
  72
  73     listDef.defType = kListDefStandardTextType;
  74
  75     CreateListBoxControl( parent->GetMacRootWindow(), &bounds, false, 0, 1, false, true,
  76                           14, 14, false, &listDef, &m_macControl );
  77
  78     GetControlData(m_macControl, kControlNoPart, kControlListBoxListHandleTag,
  79                    sizeof(ListHandle), (Ptr) &m_macList, &asize);
  80
  81     SetControlReference(m_macControl, (long) this);
  82     SetControlVisibility(m_macControl, false, false);
  83
  84     options = 0;
  85     if ( style & wxLB_MULTIPLE )
  86     {
  87         options += lNoExtend ;
  88     }
  89     else if ( style & wxLB_EXTENDED )
  90     {
  91         options += lExtendDrag ;
  92     }
  93     else
  94     {
  95         options = lOnlyOne ;
  96     }
  97     SetListSelectionFlags(m_macList, options);
  98
  99 #else
 100     long        result ;
 101
 102     m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , false ,
 103                                   kwxMacListWithVerticalScrollbar , 0 , 0,
 104                                   kControlListBoxProc , (long) this ) ;
 105     UMAGetControlData( m_macControl , kControlNoPart , kControlListBoxListHandleTag ,
 106                        sizeof( ListHandle ) , (char*) &m_macList  , &result ) ;
 107
 108     HLock( (Handle) m_macList ) ;
 109     NewExtLDEFInfo( m_macList , MacDrawStringCell , (long) this ) ;
 110
 111     (**m_macList).selFlags = 0 ;
 112     if ( style & wxLB_MULTIPLE )
 113     {
 114         (**m_macList).selFlags += lNoExtend ;
 115     }
 116     else if ( style & wxLB_EXTENDED )
 117     {
 118         (**m_macList).selFlags += lExtendDrag ;
 119     }
 120     else
 121     {
 122         (**m_macList).selFlags = lOnlyOne ;
 123     }
 124
 125     Point pt = (**m_macList).cellSize ;
 126     pt.v = 14 ;
 127     LCellSize( pt , m_macList ) ;
 128
 129     LAddColumn( 1 , 0 , m_macList ) ;
 130
 131     ControlFontStyleRec         controlstyle ;
 132     controlstyle.flags = kControlUseFontMask + kControlUseSizeMask ;
 133     //controlstyle.font = kControlFontSmallSystemFont ;
 134     controlstyle.font = kFontIDMonaco ;
 135     controlstyle.size = 9 ;
 136     //::UMASetControlFontStyle( m_macControl , &controlstyle ) ;
 137 #endif
 138
 139     MacPostControlCreate() ;
 140
 141     for ( int i = 0 ; i < n ; i++ )
 142     {
 143         Append( choices[i] ) ;
 144     }
 145
 146     LSetDrawingMode( true , m_macList ) ;
 147
 148     return TRUE;
 149 }
 150
 151 wxListBox::~wxListBox()
 152 {
 153         Free() ;
 154         if ( m_macList )
 155         {
 156 #if !TARGET_CARBON
 157             DisposeExtLDEFInfo( m_macList ) ;
 158 #endif
 159             m_macList = NULL ;
 160         }
 161 }
 162
 163 void wxListBox::Free()
 164 {
 165 #if wxUSE_OWNER_DRAWN
 166     if ( m_windowStyle & wxLB_OWNERDRAW )
 167     {
 168         size_t uiCount = m_aItems.Count();
 169         while ( uiCount-- != 0 ) {
 170             delete m_aItems[uiCount];
 171         }
 172
 173         m_aItems.Clear();
 174     }
 175     else
 176 #endif // wxUSE_OWNER_DRAWN
 177     if ( HasClientObjectData() )
 178     {
 179         for ( size_t n = 0; n < (size_t)m_noItems; n++ )
 180         {
 181             delete GetClientObject(n);
 182         }
 183     }
 184 }
 185
 186 void wxListBox::DoSetFirstItem(int N)
 187 {
 188         MacScrollTo( N ) ;
 189 }
 190
 191 void wxListBox::Delete(int N)
 192 {
 193     wxCHECK_RET( N >= 0 && N < m_noItems,
 194                  wxT("invalid index in wxListBox::Delete") );
 195
 196 #if wxUSE_OWNER_DRAWN
 197     delete m_aItems[N];
 198     m_aItems.RemoveAt(N);
 199 #else // !wxUSE_OWNER_DRAWN
 200     if ( HasClientObjectData() )
 201     {
 202         delete GetClientObject(N);
 203     }
 204 #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
 205         m_stringArray.Remove( N ) ;
 206         m_dataArray.RemoveAt( N ) ;
 207         m_noItems --;
 208
 209         MacDelete( N ) ;
 210 }
 211
 212 int wxListBox::DoAppend(const wxString& item)
 213 {
 214         int index = m_noItems ;
 215         if( wxApp::s_macDefaultEncodingIsPC )
 216         {
 217                 m_stringArray.Add( wxMacMakeMacStringFromPC( item ) ) ;
 218                 m_dataArray.Add( NULL );
 219         }
 220         else {
 221                 m_stringArray.Add( item ) ;
 222                 m_dataArray.Add( NULL );
 223         }
 224         m_noItems ++;
 225         DoSetItemClientData( index , NULL ) ;
 226         MacAppend( item ) ;
 227
 228         return index ;
 229 }
 230
 231 void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
 232 {
 233   MacSetRedraw( false ) ;
 234   Clear() ;
 235   int n = choices.GetCount();
 236
 237   for( int i = 0 ; i < n ; ++i )
 238   {
 239         if ( clientData )
 240         {
 241 #if wxUSE_OWNER_DRAWN
 242             wxASSERT_MSG(clientData[i] == NULL,
 243                          wxT("Can't use client data with owner-drawn listboxes"));
 244 #else // !wxUSE_OWNER_DRAWN
 245                 Append( choices[i] , clientData[i] ) ;
 246  #endif
 247         }
 248         else
 249                 Append( choices[i] ) ;
 250   }
 251
 252 #if wxUSE_OWNER_DRAWN
 253     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 254         // first delete old items
 255         size_t ui = m_aItems.Count();
 256         while ( ui-- != 0 ) {
 257             delete m_aItems[ui];
 258         }
 259         m_aItems.Empty();
 260
 261         // then create new ones
 262         for ( ui = 0; ui < (size_t)m_noItems; ui++ ) {
 263             wxOwnerDrawn *pNewItem = CreateItem(ui);
 264             pNewItem->SetName(choices[ui]);
 265             m_aItems.Add(pNewItem);
 266         }
 267     }
 268 #endif // wxUSE_OWNER_DRAWN
 269   MacSetRedraw( true ) ;
 270 }
 271
 272 bool wxListBox::HasMultipleSelection() const
 273 {
 274     return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED);
 275 }
 276
 277 int wxListBox::FindString(const wxString& st) const
 278 {
 279         wxString s ;
 280         if( wxApp::s_macDefaultEncodingIsPC )
 281         {
 282                 s = wxMacMakeMacStringFromPC( st ) ;
 283         }
 284         else
 285                 s = st ;
 286
 287         if ( s.Right(1) == "*" )
 288         {
 289                 wxString search = s.Left( s.Length() - 1 ) ;
 290                 int len = search.Length() ;
 291                 Str255 s1 , s2 ;
 292
 293 #if TARGET_CARBON
 294                 c2pstrcpy( (StringPtr) s2 , search.c_str() ) ;
 295 #else
 296                 strcpy( (char *) s2 , search.c_str() ) ;
 297                 c2pstr( (char *) s2 ) ;
 298 #endif
 299
 300         for ( int i = 0 ; i < m_noItems ; ++ i )
 301             {
 302 #if TARGET_CARBON
 303                 c2pstrcpy( (StringPtr) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 304 #else
 305                 strcpy( (char *) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 306                         c2pstr( (char *) s1 ) ;
 307 #endif
 308                 if ( EqualString( s1 , s2 , false , false ) )
 309                         return i ;
 310             }
 311             if ( s.Left(1) == "*" && s.Length() > 1 )
 312             {
 313                 s.MakeLower() ;
 314                     for ( int i = 0 ; i < m_noItems ; ++i )
 315                         {
 316                                 if ( GetString(i).Lower().Matches(s) )
 317                                         return i ;
 318                         }
 319                 }
 320
 321         }
 322         else
 323         {
 324         Str255 s1 , s2 ;
 325
 326 #if TARGET_CARBON
 327                 c2pstrcpy( (StringPtr) s2 , s.c_str() ) ;
 328 #else
 329                 strcpy( (char *) s2 , s.c_str() ) ;
 330                 c2pstr( (char *) s2 ) ;
 331 #endif
 332
 333             for ( int i = 0 ; i < m_noItems ; ++ i )
 334             {
 335 #if TARGET_CARBON
 336                 c2pstrcpy( (StringPtr) s1 , m_stringArray[i].c_str() ) ;
 337 #else
 338                 strcpy( (char *) s1 , m_stringArray[i].c_str() ) ;
 339                         c2pstr( (char *) s1 ) ;
 340 #endif
 341                 if ( EqualString( s1 , s2 , false , false ) )
 342                         return i ;
 343             }
 344    }
 345    return -1;
 346 }
 347
 348 void wxListBox::Clear()
 349 {
 350   Free();
 351   m_noItems = 0;
 352   m_stringArray.Empty() ;
 353   m_dataArray.Empty() ;
 354   MacClear() ;
 355 }
 356
 357 void wxListBox::SetSelection(int N, bool select)
 358 {
 359     wxCHECK_RET( N >= 0 && N < m_noItems,
 360                  "invalid index in wxListBox::SetSelection" );
 361         MacSetSelection( N , select ) ;
 362 }
 363
 364 bool wxListBox::IsSelected(int N) const
 365 {
 366     wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
 367                  "invalid index in wxListBox::Selected" );
 368
 369         return MacIsSelected( N ) ;
 370 }
 371
 372 void *wxListBox::DoGetItemClientData(int N) const
 373 {
 374     wxCHECK_MSG( N >= 0 && N < m_noItems, NULL,
 375                  wxT("invalid index in wxListBox::GetClientData"));
 376
 377     return (void *)m_dataArray[N];
 378 }
 379
 380 wxClientData *wxListBox::DoGetItemClientObject(int N) const
 381 {
 382         return (wxClientData *) DoGetItemClientData( N ) ;
 383 }
 384
 385 void wxListBox::DoSetItemClientData(int N, void *Client_data)
 386 {
 387     wxCHECK_RET( N >= 0 && N < m_noItems,
 388                  "invalid index in wxListBox::SetClientData" );
 389
 390 #if wxUSE_OWNER_DRAWN
 391     if ( m_windowStyle & wxLB_OWNERDRAW )
 392     {
 393         // client data must be pointer to wxOwnerDrawn, otherwise we would crash
 394         // in OnMeasure/OnDraw.
 395         wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes"));
 396     }
 397 #endif // wxUSE_OWNER_DRAWN
 398         wxASSERT_MSG( m_dataArray.GetCount() >= N , "invalid client_data array" ) ;
 399
 400         if ( m_dataArray.GetCount() > N )
 401         {
 402         m_dataArray[N] = (char*) Client_data ;
 403     }
 404     else
 405     {
 406         m_dataArray.Add( (char*) Client_data ) ;
 407     }
 408 }
 409
 410 void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
 411 {
 412     DoSetItemClientData(n, clientData);
 413 }
 414
 415 // Return number of selections and an array of selected integers
 416 int wxListBox::GetSelections(wxArrayInt& aSelections) const
 417 {
 418         return MacGetSelections( aSelections ) ;
 419
 420 /* TODO
 421     if ((m_windowStyle & wxLB_MULTIMacE) || (m_windowStyle & wxLB_EXTENDED))
 422     {
 423         int no_sel = ??
 424         for ( int n = 0; n < no_sel; n++ )
 425             aSelections.Add(??);
 426
 427         return no_sel;
 428     }
 429     else  // single-selection listbox
 430     {
 431         aSelections.Add(??);
 432
 433         return 1;
 434     }
 435 */
 436 }
 437
 438 // Get single selection, for single choice list items
 439 int wxListBox::GetSelection() const
 440 {
 441         return MacGetSelection() ;
 442 }
 443
 444 // Find string for position
 445 wxString wxListBox::GetString(int N) const
 446 {
 447         if( wxApp::s_macDefaultEncodingIsPC )
 448         {
 449                 return          wxMacMakePCStringFromMac( m_stringArray[N] ) ;
 450         }
 451         else
 452                 return m_stringArray[N]  ;
 453 }
 454
 455 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 456 {
 457     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
 458                  wxT("invalid index in wxListBox::InsertItems") );
 459
 460     int nItems = items.GetCount();
 461
 462         for ( int i = 0 ; i < nItems ; i++ )
 463         {
 464                 m_stringArray.Insert( items[i] , pos + i ) ;
 465                 m_dataArray.Insert( NULL , pos + i ) ;
 466                 MacInsert( pos + i , items[i] ) ;
 467         }
 468
 469     m_noItems += nItems;
 470 }
 471
 472 void wxListBox::SetString(int N, const wxString& s)
 473 {
 474         wxString str ;
 475         if( wxApp::s_macDefaultEncodingIsPC )
 476         {
 477                 str = wxMacMakeMacStringFromPC( s )  ;
 478         }
 479         else
 480                 str = s ;
 481         m_stringArray[N] = str ;
 482         MacSet( N , s ) ;
 483 }
 484
 485 wxSize wxListBox::DoGetBestSize() const
 486 {
 487     return wxSize(100, 100);
 488 }
 489
 490 int wxListBox::GetCount() const
 491 {
 492     return m_noItems;
 493 }
 494
 495 void wxListBox::SetupColours()
 496 {
 497     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
 498     SetForegroundColour(GetParent()->GetForegroundColour());
 499 }
 500
 501 void wxListBox::Refresh(bool eraseBack, const wxRect *rect)
 502 {
 503     // Set up port
 504     WindowRef rootwindow = GetMacRootWindow() ;
 505     wxWindow* wxrootwindow = wxFindWinFromMacWindow( rootwindow ) ;
 506     wxMacDrawingHelper focus( wxrootwindow );
 507
 508     UMADrawControl(m_macControl);
 509 }
 510
 511 #if wxUSE_OWNER_DRAWN
 512
 513 class wxListBoxItem : public wxOwnerDrawn
 514 {
 515 public:
 516     wxListBoxItem(const wxString& str = "");
 517 };
 518
 519 wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
 520 {
 521     // no bitmaps/checkmarks
 522     SetMarginWidth(0);
 523 }
 524
 525 wxOwnerDrawn *wxListBox::CreateItem(size_t n)
 526 {
 527     return new wxListBoxItem();
 528 }
 529
 530 #endif  //USE_OWNER_DRAWN
 531
 532 // ============================================================================
 533 // list box control implementation
 534 // ============================================================================
 535
 536 void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon)
 537 {
 538         wxListBox*                      list;
 539         // typecast our refCon
 540         list = (wxListBox*)refCon;
 541
 542         MoveTo(cellRect->left + 4 , cellRect->top + 10 );
 543         const wxString text = list->m_stringArray[lCell.v] ;
 544         ::TextFont( kFontIDMonaco ) ;
 545         ::TextSize( 9  );
 546         ::TextFace( 0 ) ;
 547         DrawText(text, 0 , text.Length());
 548
 549 }
 550
 551 void wxListBox::MacDelete( int N )
 552 {
 553     LDelRow( 1 , N , m_macList) ;
 554     Refresh();
 555 }
 556
 557 void wxListBox::MacInsert( int n , const char * text)
 558 {
 559     Cell cell = { 0 , 0 } ;
 560     cell.v = n ;
 561     LAddRow( 1 , cell.v , m_macList ) ;
 562     LSetCell(text, strlen(text), cell, m_macList);
 563     Refresh();
 564 }
 565
 566 void wxListBox::MacAppend( const char * text)
 567 {
 568     Cell cell = { 0 , 0 } ;
 569     cell.v = (**m_macList).dataBounds.bottom ;
 570     LAddRow( 1 , cell.v , m_macList ) ;
 571     LSetCell(text, strlen(text), cell, m_macList);
 572     Refresh();
 573 }
 574
 575 void wxListBox::MacClear()
 576 {
 577     LDelRow( (**m_macList).dataBounds.bottom , 0 , m_macList ) ;
 578     Refresh();
 579 }
 580
 581 void wxListBox::MacSetSelection( int n , bool select )
 582 {
 583         Cell cell = { 0 , 0 } ;
 584         if ( LGetSelect( true , &cell , m_macList ) )
 585         {
 586                 LSetSelect( false , cell , m_macList ) ;
 587         }
 588
 589         cell.v = n ;
 590         LSetSelect( select , cell , m_macList ) ;
 591         LAutoScroll( m_macList ) ;
 592         Refresh();
 593 }
 594
 595 bool wxListBox::MacIsSelected( int n ) const
 596 {
 597         Cell cell = { 0 , 0 } ;
 598         cell.v = n ;
 599         return LGetSelect( false , &cell , m_macList ) ;
 600 }
 601
 602 void wxListBox::MacDestroy()
 603 {
 604 //    DisposeExtLDEFInfo( m_macList ) ;
 605 }
 606
 607 int wxListBox::MacGetSelection() const
 608 {
 609         Cell cell = { 0 , 0 } ;
 610         if ( LGetSelect( true , &cell , m_macList ) )
 611                 return cell.v ;
 612         else
 613                 return -1 ;
 614 }
 615
 616 int wxListBox::MacGetSelections( wxArrayInt& aSelections ) const
 617 {
 618         int no_sel = 0 ;
 619
 620     aSelections.Empty();
 621
 622         Cell cell = { 0 , 0 } ;
 623         cell.v = 0 ;
 624
 625         while ( LGetSelect( true , &cell , m_macList ) )
 626         {
 627                 aSelections.Add( cell.v ) ;
 628                 no_sel++ ;
 629                 cell.v++ ;
 630         }
 631         return no_sel ;
 632 }
 633
 634 void wxListBox::MacSet( int n , const char * text )
 635 {
 636         // our implementation does not store anything in the list
 637         // so we just have to redraw
 638         Cell cell = { 0 , 0 } ;
 639         cell.v = n ;
 640         LSetCell(text, strlen(text), cell, m_macList);
 641         Refresh();
 642 }
 643
 644 void wxListBox::MacScrollTo( int n )
 645 {
 646         // TODO implement scrolling
 647 }
 648
 649 void wxListBox::OnSize( const wxSizeEvent &event)
 650 {
 651     Point pt;
 652
 653 #if TARGET_CARBON
 654     GetListCellSize(m_macList, &pt);
 655 #else
 656     pt = (**m_macList).cellSize ;
 657 #endif
 658     pt.h =  m_width - 15  ;
 659     LCellSize( pt , m_macList ) ;
 660 }
 661
 662 void wxListBox::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 663 {
 664         Boolean wasDoubleClick = false ;
 665         long    result ;
 666
 667         UMAGetControlData( m_macControl , kControlNoPart , kControlListBoxDoubleClickTag , sizeof( wasDoubleClick ) , (char*) &wasDoubleClick  , &result ) ;
 668         if ( !wasDoubleClick )
 669         {
 670                 MacDoClick() ;
 671         }
 672         else
 673         {
 674                 MacDoDoubleClick() ;
 675         }
 676 }
 677
 678 void wxListBox::MacSetRedraw( bool doDraw )
 679 {
 680         LSetDrawingMode( doDraw , m_macList ) ;
 681
 682 }
 683
 684 void wxListBox::MacDoClick()
 685 {
 686         wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
 687     event.SetEventObject( this );
 688
 689         wxArrayInt aSelections;
 690         int n, count = GetSelections(aSelections);
 691         if ( count > 0 )
 692         {
 693            n = aSelections[0];
 694            if ( HasClientObjectData() )
 695               event.SetClientObject( GetClientObject(n) );
 696           else if ( HasClientUntypedData() )
 697               event.SetClientData( GetClientData(n) );
 698           event.SetString( GetString(n) );
 699         }
 700         else
 701         {
 702          n = -1;
 703         }
 704
 705     event.m_commandInt = n;
 706
 707     GetEventHandler()->ProcessEvent(event);
 708 }
 709
 710 void wxListBox::MacDoDoubleClick()
 711 {
 712     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
 713     event.SetEventObject( this );
 714         GetEventHandler()->ProcessEvent(event) ;
 715 }