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