src/osx/cocoa/listbox.mm

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/listbox.mm
   3 // Purpose:     wxListBox
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_LISTBOX
  15
  16 #include "wx/listbox.h"
  17 #include "wx/dnd.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/log.h"
  21     #include "wx/intl.h"
  22     #include "wx/utils.h"
  23     #include "wx/settings.h"
  24     #include "wx/arrstr.h"
  25     #include "wx/dcclient.h"
  26 #endif
  27
  28 #include "wx/osx/private.h"
  29
  30 #include <vector>
  31
  32 // forward decls
  33
  34 class wxListWidgetCocoaImpl;
  35
  36 @interface wxNSTableDataSource : NSObject wxOSX_10_6_AND_LATER(<NSTableViewDataSource>)
  37 {
  38     wxListWidgetCocoaImpl* impl;
  39 }
  40
  41 - (id)tableView:(NSTableView *)aTableView
  42         objectValueForTableColumn:(NSTableColumn *)aTableColumn
  43         row:(NSInteger)rowIndex;
  44
  45 - (void)tableView:(NSTableView *)aTableView
  46         setObjectValue:(id)value forTableColumn:(NSTableColumn *)aTableColumn
  47         row:(NSInteger)rowIndex;
  48
  49 - (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView;
  50
  51 - (void)setImplementation: (wxListWidgetCocoaImpl *) theImplementation;
  52 - (wxListWidgetCocoaImpl*) implementation;
  53
  54 @end
  55
  56 @interface wxNSTableView : NSTableView wxOSX_10_6_AND_LATER(<NSTableViewDelegate>)
  57 {
  58 }
  59
  60 @end
  61
  62 //
  63 // table column
  64 //
  65
  66 class wxCocoaTableColumn;
  67
  68 @interface wxNSTableColumn : NSTableColumn
  69 {
  70     wxCocoaTableColumn* column;
  71 }
  72
  73 - (void) setColumn: (wxCocoaTableColumn*) col;
  74
  75 - (wxCocoaTableColumn*) column;
  76
  77 @end
  78
  79 class WXDLLIMPEXP_CORE wxCocoaTableColumn : public wxListWidgetColumn
  80 {
  81 public :
  82     wxCocoaTableColumn( wxNSTableColumn* column, bool editable )
  83         : m_column( column ), m_editable(editable)
  84     {
  85     }
  86
  87     ~wxCocoaTableColumn()
  88     {
  89     }
  90
  91     wxNSTableColumn* GetNSTableColumn() const { return m_column ; }
  92
  93     bool IsEditable() const { return m_editable; }
  94
  95 protected :
  96     wxNSTableColumn* m_column;
  97     bool m_editable;
  98 } ;
  99
 100 NSString* column1 = @"1";
 101
 102 class wxListWidgetCocoaImpl : public wxWidgetCocoaImpl, public wxListWidgetImpl
 103 {
 104 public :
 105     wxListWidgetCocoaImpl( wxWindowMac* peer, NSScrollView* view, wxNSTableView* tableview, wxNSTableDataSource* data );
 106
 107     ~wxListWidgetCocoaImpl();
 108
 109     virtual wxListWidgetColumn*     InsertTextColumn( unsigned pos, const wxString& title, bool editable = false,
 110                                 wxAlignment just = wxALIGN_LEFT , int defaultWidth = -1)  ;
 111     virtual wxListWidgetColumn*     InsertCheckColumn( unsigned pos , const wxString& title, bool editable = false,
 112                                 wxAlignment just = wxALIGN_LEFT , int defaultWidth =  -1)  ;
 113
 114     // add and remove
 115
 116     virtual void            ListDelete( unsigned int n ) ;
 117     virtual void            ListInsert( unsigned int n ) ;
 118     virtual void            ListClear() ;
 119
 120     // selecting
 121
 122     virtual void            ListDeselectAll();
 123
 124     virtual void            ListSetSelection( unsigned int n, bool select, bool multi ) ;
 125     virtual int             ListGetSelection() const ;
 126
 127     virtual int             ListGetSelections( wxArrayInt& aSelections ) const ;
 128
 129     virtual bool            ListIsSelected( unsigned int n ) const ;
 130
 131     // display
 132
 133     virtual void            ListScrollTo( unsigned int n ) ;
 134
 135     // accessing content
 136
 137     virtual unsigned int    ListGetCount() const ;
 138     virtual int             DoListHitTest( const wxPoint& inpoint ) const;
 139
 140     int                     ListGetColumnType( int col )
 141     {
 142         return col;
 143     }
 144     virtual void            UpdateLine( unsigned int n, wxListWidgetColumn* col = NULL ) ;
 145     virtual void            UpdateLineToEnd( unsigned int n);
 146
 147     virtual void            controlDoubleAction(WXWidget slf, void* _cmd, void *sender);
 148
 149
 150 protected :
 151     wxNSTableView*          m_tableView ;
 152
 153     wxNSTableDataSource*    m_dataSource;
 154 } ;
 155
 156 //
 157 // implementations
 158 //
 159
 160 @implementation wxNSTableColumn
 161
 162 - (id) init
 163 {
 164     self = [super init];
 165     column = nil;
 166     return self;
 167 }
 168
 169 - (void) setColumn: (wxCocoaTableColumn*) col
 170 {
 171     column = col;
 172 }
 173
 174 - (wxCocoaTableColumn*) column
 175 {
 176     return column;
 177 }
 178
 179 @end
 180
 181 class wxNSTableViewCellValue : public wxListWidgetCellValue
 182 {
 183 public :
 184     wxNSTableViewCellValue( id &v ) : value(v)
 185     {
 186     }
 187
 188     virtual ~wxNSTableViewCellValue() {}
 189
 190     virtual void Set( CFStringRef v )
 191     {
 192         value = [[(NSString*)v retain] autorelease];
 193     }
 194     virtual void Set( const wxString& value )
 195     {
 196         Set( (CFStringRef) wxCFStringRef( value ) );
 197     }
 198     virtual void Set( int v )
 199     {
 200         value = [NSNumber numberWithInt:v];
 201     }
 202
 203     virtual int GetIntValue() const
 204     {
 205         if ( [value isKindOfClass:[NSNumber class]] )
 206             return [ (NSNumber*) value intValue ];
 207
 208         return 0;
 209     }
 210
 211     virtual wxString GetStringValue() const
 212     {
 213         if ( [value isKindOfClass:[NSString class]] )
 214             return wxCFStringRef::AsString( (NSString*) value );
 215
 216         return wxEmptyString;
 217     }
 218
 219 protected:
 220     id& value;
 221 } ;
 222
 223 @implementation wxNSTableDataSource
 224
 225 - (id) init
 226 {
 227     self = [super init];
 228     impl = nil;
 229     return self;
 230 }
 231
 232 - (void)setImplementation: (wxListWidgetCocoaImpl *) theImplementation
 233 {
 234     impl = theImplementation;
 235 }
 236
 237 - (wxListWidgetCocoaImpl*) implementation
 238 {
 239     return impl;
 240 }
 241
 242 - (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView
 243 {
 244     wxUnusedVar(aTableView);
 245     if ( impl )
 246         return impl->ListGetCount();
 247     return 0;
 248 }
 249
 250 - (id)tableView:(NSTableView *)aTableView
 251         objectValueForTableColumn:(NSTableColumn *)aTableColumn
 252         row:(NSInteger)rowIndex
 253 {
 254     wxUnusedVar(aTableView);
 255     wxNSTableColumn* tablecol = (wxNSTableColumn *)aTableColumn;
 256     wxListBox* lb = dynamic_cast<wxListBox*>(impl->GetWXPeer());
 257     wxCocoaTableColumn* col = [tablecol column];
 258     id value = nil;
 259     wxNSTableViewCellValue cellvalue(value);
 260     lb->GetValueCallback(rowIndex, col, cellvalue);
 261     return value;
 262 }
 263
 264 - (void)tableView:(NSTableView *)aTableView
 265         setObjectValue:(id)value forTableColumn:(NSTableColumn *)aTableColumn
 266         row:(NSInteger)rowIndex
 267 {
 268     wxUnusedVar(aTableView);
 269     wxNSTableColumn* tablecol = (wxNSTableColumn *)aTableColumn;
 270     wxListBox* lb = dynamic_cast<wxListBox*>(impl->GetWXPeer());
 271     wxCocoaTableColumn* col = [tablecol column];
 272     wxNSTableViewCellValue cellvalue(value);
 273     lb->SetValueCallback(rowIndex, col, cellvalue);
 274 }
 275
 276 @end
 277
 278 @implementation wxNSTableView
 279
 280 + (void)initialize
 281 {
 282     static BOOL initialized = NO;
 283     if (!initialized)
 284     {
 285         initialized = YES;
 286         wxOSXCocoaClassAddWXMethods( self );
 287     }
 288 }
 289
 290 - (void) tableViewSelectionDidChange: (NSNotification *) notification
 291 {
 292     wxUnusedVar(notification);
 293
 294     int row = [self selectedRow];
 295
 296     if (row == -1)
 297     {
 298         // no row selected
 299     }
 300     else
 301     {
 302         wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 303         wxListBox *list = static_cast<wxListBox*> ( impl->GetWXPeer());
 304         wxCHECK_RET( list != NULL , wxT("Listbox expected"));
 305
 306         wxCommandEvent event( wxEVT_COMMAND_LISTBOX_SELECTED, list->GetId() );
 307
 308         if ((row < 0) || (row > (int) list->GetCount()))  // OS X can select an item below the last item
 309             return;
 310
 311         if ( !list->MacGetBlockEvents() )
 312             list->HandleLineEvent( row, false );
 313     }
 314
 315 }
 316
 317 - (void)setFont:(NSFont *)aFont
 318 {
 319     NSArray *tableColumns = [self tableColumns];
 320     unsigned int columnIndex = [tableColumns count];
 321     while (columnIndex--)
 322         [[(NSTableColumn *)[tableColumns objectAtIndex:columnIndex] dataCell] setFont:aFont];
 323
 324     // todo introduce a common NSLayoutManager instance for all and use new method
 325     [self setRowHeight:[aFont defaultLineHeightForFont]+2];
 326 }
 327
 328 - (void) setControlSize:(NSControlSize) size
 329 {
 330     NSArray *tableColumns = [self tableColumns];
 331     unsigned int columnIndex = [tableColumns count];
 332     while (columnIndex--)
 333         [[(NSTableColumn *)[tableColumns objectAtIndex:columnIndex] dataCell] setControlSize:size];
 334 }
 335
 336 @end
 337
 338 //
 339 //
 340 //
 341
 342 wxListWidgetCocoaImpl::wxListWidgetCocoaImpl( wxWindowMac* peer, NSScrollView* view, wxNSTableView* tableview, wxNSTableDataSource* data ) :
 343     wxWidgetCocoaImpl( peer, view ), m_tableView(tableview), m_dataSource(data)
 344 {
 345     InstallEventHandler( tableview );
 346 }
 347
 348 wxListWidgetCocoaImpl::~wxListWidgetCocoaImpl()
 349 {
 350     [m_dataSource release];
 351 }
 352
 353 unsigned int wxListWidgetCocoaImpl::ListGetCount() const
 354 {
 355     wxListBox* lb = dynamic_cast<wxListBox*> ( GetWXPeer() );
 356     return lb->GetCount();
 357 }
 358
 359 //
 360 // columns
 361 //
 362
 363 wxListWidgetColumn* wxListWidgetCocoaImpl::InsertTextColumn( unsigned pos, const wxString& WXUNUSED(title), bool editable,
 364                                 wxAlignment WXUNUSED(just), int defaultWidth)
 365 {
 366     wxNSTableColumn* col1 = [[wxNSTableColumn alloc] init];
 367     [col1 setEditable:editable];
 368
 369     unsigned formerColCount = [m_tableView numberOfColumns];
 370
 371     // there's apparently no way to insert at a specific position
 372     [m_tableView addTableColumn:col1 ];
 373     if ( pos < formerColCount )
 374         [m_tableView moveColumn:formerColCount toColumn:pos];
 375
 376     if ( defaultWidth >= 0 )
 377     {
 378         [col1 setMaxWidth:defaultWidth];
 379         [col1 setMinWidth:defaultWidth];
 380         [col1 setWidth:defaultWidth];
 381     }
 382     else
 383     {
 384         [col1 setMaxWidth:1000];
 385         [col1 setMinWidth:10];
 386         // temporary hack, because I cannot get the automatic column resizing
 387         // to work properly
 388         [col1 setWidth:1000];
 389     }
 390     [col1 setResizingMask: NSTableColumnAutoresizingMask];
 391
 392     wxListBox *list = static_cast<wxListBox*> ( GetWXPeer());
 393     if ( list != NULL )
 394         [[col1 dataCell] setFont:list->GetFont().OSXGetNSFont()];
 395
 396     wxCocoaTableColumn* wxcol = new wxCocoaTableColumn( col1, editable );
 397     [col1 setColumn:wxcol];
 398
 399     // owned by the tableview
 400     [col1 release];
 401     return wxcol;
 402 }
 403
 404 wxListWidgetColumn* wxListWidgetCocoaImpl::InsertCheckColumn( unsigned pos , const wxString& WXUNUSED(title), bool editable,
 405                                 wxAlignment WXUNUSED(just), int defaultWidth )
 406 {
 407    wxNSTableColumn* col1 = [[wxNSTableColumn alloc] init];
 408     [col1 setEditable:editable];
 409
 410     // set your custom cell & set it up
 411     NSButtonCell* checkbox = [[NSButtonCell alloc] init];
 412     [checkbox setTitle:@""];
 413     [checkbox setButtonType:NSSwitchButton];
 414     [col1 setDataCell:checkbox] ;
 415
 416     wxListBox *list = static_cast<wxListBox*> ( GetWXPeer());
 417     if ( list != NULL )
 418     {
 419         NSControlSize size = NSRegularControlSize;
 420
 421         switch ( list->GetWindowVariant() )
 422         {
 423             case wxWINDOW_VARIANT_NORMAL :
 424                 size = NSRegularControlSize;
 425                 break ;
 426
 427             case wxWINDOW_VARIANT_SMALL :
 428                 size = NSSmallControlSize;
 429                 break ;
 430
 431             case wxWINDOW_VARIANT_MINI :
 432                 size = NSMiniControlSize;
 433                 break ;
 434
 435             case wxWINDOW_VARIANT_LARGE :
 436                 size = NSRegularControlSize;
 437                 break ;
 438
 439             default:
 440                 break ;
 441         }
 442
 443         [[col1 dataCell] setControlSize:size];
 444         // although there is no text, it may help to get the correct vertical layout
 445         [[col1 dataCell] setFont:list->GetFont().OSXGetNSFont()];
 446     }
 447
 448     [checkbox release];
 449
 450     unsigned formerColCount = [m_tableView numberOfColumns];
 451
 452     // there's apparently no way to insert at a specific position
 453     [m_tableView addTableColumn:col1 ];
 454     if ( pos < formerColCount )
 455         [m_tableView moveColumn:formerColCount toColumn:pos];
 456
 457     if ( defaultWidth >= 0 )
 458     {
 459         [col1 setMaxWidth:defaultWidth];
 460         [col1 setMinWidth:defaultWidth];
 461         [col1 setWidth:defaultWidth];
 462     }
 463
 464     [col1 setResizingMask: NSTableColumnNoResizing];
 465     wxCocoaTableColumn* wxcol = new wxCocoaTableColumn( col1, editable );
 466     [col1 setColumn:wxcol];
 467
 468     // owned by the tableview
 469     [col1 release];
 470     return wxcol;
 471 }
 472
 473
 474 //
 475 // inserting / removing lines
 476 //
 477
 478 void wxListWidgetCocoaImpl::ListInsert( unsigned int WXUNUSED(n) )
 479 {
 480     [m_tableView reloadData];
 481 }
 482
 483 void wxListWidgetCocoaImpl::ListDelete( unsigned int WXUNUSED(n) )
 484 {
 485     [m_tableView reloadData];
 486 }
 487
 488 void wxListWidgetCocoaImpl::ListClear()
 489 {
 490     [m_tableView reloadData];
 491 }
 492
 493 // selecting
 494
 495 void wxListWidgetCocoaImpl::ListDeselectAll()
 496 {
 497     [m_tableView deselectAll:nil];
 498 }
 499
 500 void wxListWidgetCocoaImpl::ListSetSelection( unsigned int n, bool select, bool multi )
 501 {
 502     // TODO
 503     if ( select )
 504         [m_tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:n]
 505                      byExtendingSelection:multi];
 506     else
 507         [m_tableView deselectRow: n];
 508
 509 }
 510
 511 int wxListWidgetCocoaImpl::ListGetSelection() const
 512 {
 513     return [m_tableView selectedRow];
 514 }
 515
 516 int wxListWidgetCocoaImpl::ListGetSelections( wxArrayInt& aSelections ) const
 517 {
 518     aSelections.Empty();
 519
 520     int count = ListGetCount();
 521
 522     for ( int i = 0; i < count; ++i)
 523     {
 524         if ([m_tableView isRowSelected:i])
 525         aSelections.Add(i);
 526     }
 527
 528     return aSelections.Count();
 529 }
 530
 531 bool wxListWidgetCocoaImpl::ListIsSelected( unsigned int n ) const
 532 {
 533     return [m_tableView isRowSelected:n];
 534 }
 535
 536 // display
 537
 538 void wxListWidgetCocoaImpl::ListScrollTo( unsigned int n )
 539 {
 540     [m_tableView scrollRowToVisible:n];
 541 }
 542
 543
 544 void wxListWidgetCocoaImpl::UpdateLine( unsigned int WXUNUSED(n), wxListWidgetColumn* WXUNUSED(col) )
 545 {
 546     // TODO optimize
 547     [m_tableView reloadData];
 548 }
 549
 550 void wxListWidgetCocoaImpl::UpdateLineToEnd( unsigned int WXUNUSED(n))
 551 {
 552     // TODO optimize
 553     [m_tableView reloadData];
 554 }
 555
 556 void wxListWidgetCocoaImpl::controlDoubleAction(WXWidget WXUNUSED(slf),void* WXUNUSED(_cmd), void *WXUNUSED(sender))
 557 {
 558     wxListBox *list = static_cast<wxListBox*> ( GetWXPeer());
 559     wxCHECK_RET( list != NULL , wxT("Listbox expected"));
 560
 561     int sel = [m_tableView clickedRow];
 562     if ((sel < 0) || (sel > (int) list->GetCount()))  // OS X can select an item below the last item (why?)
 563        return;
 564
 565     list->HandleLineEvent( sel, true );
 566 }
 567
 568 // accessing content
 569
 570
 571 wxWidgetImplType* wxWidgetImpl::CreateListBox( wxWindowMac* wxpeer,
 572                                     wxWindowMac* WXUNUSED(parent),
 573                                     wxWindowID WXUNUSED(id),
 574                                     const wxPoint& pos,
 575                                     const wxSize& size,
 576                                     long style,
 577                                     long WXUNUSED(extraStyle))
 578 {
 579     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 580     NSScrollView* scrollview = [[NSScrollView alloc] initWithFrame:r];
 581
 582     // use same scroll flags logic as msw
 583
 584     [scrollview setHasVerticalScroller:YES];
 585
 586     if ( style & wxLB_HSCROLL )
 587         [scrollview setHasHorizontalScroller:YES];
 588
 589     [scrollview setAutohidesScrollers: ((style & wxLB_ALWAYS_SB) ? NO : YES)];
 590
 591     // setting up the true table
 592
 593     wxNSTableView* tableview = [[wxNSTableView alloc] init];
 594     [tableview setDelegate:tableview];
 595     // only one multi-select mode available
 596     if ( (style & wxLB_EXTENDED) || (style & wxLB_MULTIPLE) )
 597         [tableview setAllowsMultipleSelection:YES];
 598
 599     // simple listboxes have no header row
 600     [tableview setHeaderView:nil];
 601
 602     if ( style & wxLB_HSCROLL )
 603         [tableview setColumnAutoresizingStyle:NSTableViewNoColumnAutoresizing];
 604     else
 605         [tableview setColumnAutoresizingStyle:NSTableViewLastColumnOnlyAutoresizingStyle];
 606
 607     wxNSTableDataSource* ds = [[ wxNSTableDataSource alloc] init];
 608     [tableview setDataSource:ds];
 609     [scrollview setDocumentView:tableview];
 610     [tableview release];
 611
 612     wxListWidgetCocoaImpl* c = new wxListWidgetCocoaImpl( wxpeer, scrollview, tableview, ds );
 613
 614     // temporary hook for dnd
 615  //   [tableview registerForDraggedTypes:[NSArray arrayWithObjects:
 616  //       NSStringPboardType, NSFilenamesPboardType, (NSString*) kPasteboardTypeFileURLPromise, NSTIFFPboardType, NSPICTPboardType, NSPDFPboardType, nil]];
 617
 618     [ds setImplementation:c];
 619     return c;
 620 }
 621
 622 int wxListWidgetCocoaImpl::DoListHitTest(const wxPoint& inpoint) const
 623 {
 624     // translate inpoint to listpoint via scrollview
 625     NSPoint p = wxToNSPoint( m_osxView, inpoint );
 626     p = [m_osxView convertPoint:p toView:m_tableView];
 627     // hittest using new point
 628     NSInteger i = [m_tableView rowAtPoint:p];
 629     return i;
 630 }
 631
 632 #endif // wxUSE_LISTBOX