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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: listbox.cpp 54820 2008-07-29 20:04:11Z SC $
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 [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 [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 @end
318
319 //
320 //
321 //
322
323 wxListWidgetCocoaImpl::wxListWidgetCocoaImpl( wxWindowMac* peer, NSScrollView* view, wxNSTableView* tableview, wxNSTableDataSource* data ) :
324 wxWidgetCocoaImpl( peer, view ), m_tableView(tableview), m_dataSource(data)
325 {
326 InstallEventHandler( tableview );
327 }
328
329 wxListWidgetCocoaImpl::~wxListWidgetCocoaImpl()
330 {
331 [m_dataSource release];
332 }
333
334 unsigned int wxListWidgetCocoaImpl::ListGetCount() const
335 {
336 wxListBox* lb = dynamic_cast<wxListBox*> ( GetWXPeer() );
337 return lb->GetCount();
338 }
339
340 //
341 // columns
342 //
343
344 wxListWidgetColumn* wxListWidgetCocoaImpl::InsertTextColumn( unsigned pos, const wxString& WXUNUSED(title), bool editable,
345 wxAlignment WXUNUSED(just), int defaultWidth)
346 {
347 wxNSTableColumn* col1 = [[wxNSTableColumn alloc] init];
348 [col1 setEditable:editable];
349
350 unsigned formerColCount = [m_tableView numberOfColumns];
351
352 // there's apparently no way to insert at a specific position
353 [m_tableView addTableColumn:col1 ];
354 if ( pos < formerColCount )
355 [m_tableView moveColumn:formerColCount toColumn:pos];
356
357 if ( defaultWidth >= 0 )
358 {
359 [col1 setMaxWidth:defaultWidth];
360 [col1 setMinWidth:defaultWidth];
361 [col1 setWidth:defaultWidth];
362 }
363 else
364 {
365 [col1 setMaxWidth:1000];
366 [col1 setMinWidth:10];
367 // temporary hack, because I cannot get the automatic column resizing
368 // to work properly
369 [col1 setWidth:1000];
370 }
371 [col1 setResizingMask: NSTableColumnAutoresizingMask];
372 wxCocoaTableColumn* wxcol = new wxCocoaTableColumn( col1, editable );
373 [col1 setColumn:wxcol];
374
375 // owned by the tableview
376 [col1 release];
377 return wxcol;
378 }
379
380 wxListWidgetColumn* wxListWidgetCocoaImpl::InsertCheckColumn( unsigned pos , const wxString& WXUNUSED(title), bool editable,
381 wxAlignment WXUNUSED(just), int defaultWidth )
382 {
383 wxNSTableColumn* col1 = [[wxNSTableColumn alloc] init];
384 [col1 setEditable:editable];
385
386 // set your custom cell & set it up
387 NSButtonCell* checkbox = [[NSButtonCell alloc] init];
388 [checkbox setTitle:@""];
389 [checkbox setButtonType:NSSwitchButton];
390 [col1 setDataCell:checkbox] ;
391 [checkbox release];
392
393 unsigned formerColCount = [m_tableView numberOfColumns];
394
395 // there's apparently no way to insert at a specific position
396 [m_tableView addTableColumn:col1 ];
397 if ( pos < formerColCount )
398 [m_tableView moveColumn:formerColCount toColumn:pos];
399
400 if ( defaultWidth >= 0 )
401 {
402 [col1 setMaxWidth:defaultWidth];
403 [col1 setMinWidth:defaultWidth];
404 [col1 setWidth:defaultWidth];
405 }
406
407 [col1 setResizingMask: NSTableColumnNoResizing];
408 wxCocoaTableColumn* wxcol = new wxCocoaTableColumn( col1, editable );
409 [col1 setColumn:wxcol];
410
411 // owned by the tableview
412 [col1 release];
413 return wxcol;
414 }
415
416
417 //
418 // inserting / removing lines
419 //
420
421 void wxListWidgetCocoaImpl::ListInsert( unsigned int WXUNUSED(n) )
422 {
423 [m_tableView reloadData];
424 }
425
426 void wxListWidgetCocoaImpl::ListDelete( unsigned int WXUNUSED(n) )
427 {
428 [m_tableView reloadData];
429 }
430
431 void wxListWidgetCocoaImpl::ListClear()
432 {
433 [m_tableView reloadData];
434 }
435
436 // selecting
437
438 void wxListWidgetCocoaImpl::ListDeselectAll()
439 {
440 [m_tableView deselectAll:nil];
441 }
442
443 void wxListWidgetCocoaImpl::ListSetSelection( unsigned int n, bool select, bool multi )
444 {
445 // TODO
446 if ( select )
447 [m_tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:n]
448 byExtendingSelection:multi];
449 else
450 [m_tableView deselectRow: n];
451
452 }
453
454 int wxListWidgetCocoaImpl::ListGetSelection() const
455 {
456 return [m_tableView selectedRow];
457 }
458
459 int wxListWidgetCocoaImpl::ListGetSelections( wxArrayInt& aSelections ) const
460 {
461 aSelections.Empty();
462
463 int count = ListGetCount();
464
465 for ( int i = 0; i < count; ++i)
466 {
467 if ([m_tableView isRowSelected:i])
468 aSelections.Add(i);
469 }
470
471 return aSelections.Count();
472 }
473
474 bool wxListWidgetCocoaImpl::ListIsSelected( unsigned int n ) const
475 {
476 return [m_tableView isRowSelected:n];
477 }
478
479 // display
480
481 void wxListWidgetCocoaImpl::ListScrollTo( unsigned int n )
482 {
483 [m_tableView scrollRowToVisible:n];
484 }
485
486
487 void wxListWidgetCocoaImpl::UpdateLine( unsigned int WXUNUSED(n), wxListWidgetColumn* WXUNUSED(col) )
488 {
489 // TODO optimize
490 [m_tableView reloadData];
491 }
492
493 void wxListWidgetCocoaImpl::UpdateLineToEnd( unsigned int WXUNUSED(n))
494 {
495 // TODO optimize
496 [m_tableView reloadData];
497 }
498
499 void wxListWidgetCocoaImpl::controlDoubleAction(WXWidget WXUNUSED(slf),void* WXUNUSED(_cmd), void *WXUNUSED(sender))
500 {
501 wxListBox *list = static_cast<wxListBox*> ( GetWXPeer());
502 wxCHECK_RET( list != NULL , wxT("Listbox expected"));
503
504 int sel = [m_tableView clickedRow];
505 if ((sel < 0) || (sel > (int) list->GetCount())) // OS X can select an item below the last item (why?)
506 return;
507
508 list->HandleLineEvent( sel, true );
509 }
510
511 // accessing content
512
513
514 wxWidgetImplType* wxWidgetImpl::CreateListBox( wxWindowMac* wxpeer,
515 wxWindowMac* WXUNUSED(parent),
516 wxWindowID WXUNUSED(id),
517 const wxPoint& pos,
518 const wxSize& size,
519 long style,
520 long WXUNUSED(extraStyle))
521 {
522 NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
523 NSScrollView* scrollview = [[NSScrollView alloc] initWithFrame:r];
524
525 // use same scroll flags logic as msw
526
527 [scrollview setHasVerticalScroller:YES];
528
529 if ( style & wxLB_HSCROLL )
530 [scrollview setHasHorizontalScroller:YES];
531
532 [scrollview setAutohidesScrollers: ((style & wxLB_ALWAYS_SB) ? NO : YES)];
533
534 // setting up the true table
535
536 wxNSTableView* tableview = [[wxNSTableView alloc] init];
537 [tableview setDelegate:tableview];
538 // only one multi-select mode available
539 if ( (style & wxLB_EXTENDED) || (style & wxLB_MULTIPLE) )
540 [tableview setAllowsMultipleSelection:YES];
541
542 // simple listboxes have no header row
543 [tableview setHeaderView:nil];
544
545 if ( style & wxLB_HSCROLL )
546 [tableview setColumnAutoresizingStyle:NSTableViewNoColumnAutoresizing];
547 else
548 [tableview setColumnAutoresizingStyle:NSTableViewLastColumnOnlyAutoresizingStyle];
549
550 wxNSTableDataSource* ds = [[ wxNSTableDataSource alloc] init];
551 [tableview setDataSource:ds];
552 [scrollview setDocumentView:tableview];
553 [tableview release];
554
555 wxListWidgetCocoaImpl* c = new wxListWidgetCocoaImpl( wxpeer, scrollview, tableview, ds );
556
557 // temporary hook for dnd
558 [tableview registerForDraggedTypes:[NSArray arrayWithObjects:
559 NSStringPboardType, NSFilenamesPboardType, NSTIFFPboardType, NSPICTPboardType, NSPDFPboardType, nil]];
560
561 [ds setImplementation:c];
562 return c;
563 }
564
565 int wxListWidgetCocoaImpl::DoListHitTest(const wxPoint& inpoint) const
566 {
567 // translate inpoint to listpoint via scrollview
568 NSPoint p = wxToNSPoint( m_osxView, inpoint );
569 p = [m_osxView convertPoint:p toView:m_tableView];
570 // hittest using new point
571 NSInteger i = [m_tableView rowAtPoint:p];
572 return i;
573 }
574
575 #endif // wxUSE_LISTBOX