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