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