]> git.saurik.com Git - wxWidgets.git/blob - src/mac/classic/combobox.cpp
Hopefully fixed library names generated by wx-config for OS/2's PM port.
[wxWidgets.git] / src / mac / classic / combobox.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: combobox.cpp
3 // Purpose: wxComboBox class
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 #ifdef __GNUG__
13 #pragma implementation "combobox.h"
14 #endif
15
16 #include "wx/combobox.h"
17 #include "wx/button.h"
18 #include "wx/menu.h"
19 #include "wx/mac/uma.h"
20
21 #if !USE_SHARED_LIBRARY
22 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
23 #endif
24
25 // composite combobox implementation by Dan "Bud" Keith bud@otsys.com
26
27
28 static int nextPopUpMenuId = 1000 ;
29 MenuHandle NewUniqueMenu()
30 {
31 MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
32 nextPopUpMenuId++ ;
33 return handle ;
34 }
35
36
37 // ----------------------------------------------------------------------------
38 // constants
39 // ----------------------------------------------------------------------------
40
41 // the margin between the text control and the choice
42 static const wxCoord MARGIN = 2;
43 static const int POPUPWIDTH = 18;
44 static const int POPUPHEIGHT = 23;
45
46
47 // ----------------------------------------------------------------------------
48 // wxComboBoxText: text control forwards events to combobox
49 // ----------------------------------------------------------------------------
50
51 class wxComboBoxText : public wxTextCtrl
52 {
53 public:
54 wxComboBoxText( wxComboBox * cb )
55 : wxTextCtrl( cb , 1 )
56 {
57 m_cb = cb;
58 }
59
60 protected:
61 void OnChar( wxKeyEvent& event )
62 {
63 if ( event.GetKeyCode() == WXK_RETURN )
64 {
65 wxString value = GetValue();
66
67 if ( m_cb->GetCount() == 0 )
68 {
69 // make Enter generate "selected" event if there is only one item
70 // in the combobox - without it, it's impossible to select it at
71 // all!
72 wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
73 event.SetInt( 0 );
74 event.SetString( value );
75 event.SetEventObject( m_cb );
76 m_cb->GetEventHandler()->ProcessEvent( event );
77 }
78 else
79 {
80 // add the item to the list if it's not there yet
81 if ( m_cb->FindString(value) == wxNOT_FOUND )
82 {
83 m_cb->Append(value);
84 m_cb->SetStringSelection(value);
85
86 // and generate the selected event for it
87 wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
88 event.SetInt( m_cb->GetCount() - 1 );
89 event.SetString( value );
90 event.SetEventObject( m_cb );
91 m_cb->GetEventHandler()->ProcessEvent( event );
92 }
93
94 // This will invoke the dialog default action, such
95 // as the clicking the default button.
96
97 wxWindow *parent = GetParent();
98 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
99 parent = parent->GetParent() ;
100 }
101 if ( parent && parent->GetDefaultItem() )
102 {
103 wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
104 wxButton);
105 if ( def && def->IsEnabled() )
106 {
107 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
108 event.SetEventObject(def);
109 def->Command(event);
110 return ;
111 }
112 }
113
114 return;
115 }
116 }
117
118 event.Skip();
119 }
120
121 private:
122 wxComboBox *m_cb;
123
124 DECLARE_EVENT_TABLE()
125 };
126
127 BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl)
128 EVT_CHAR( wxComboBoxText::OnChar)
129 END_EVENT_TABLE()
130
131 class wxComboBoxChoice : public wxChoice
132 {
133 public:
134 wxComboBoxChoice(wxComboBox *cb, int style)
135 : wxChoice( cb , 1 )
136 {
137 m_cb = cb;
138 }
139
140 protected:
141 void OnChoice( wxCommandEvent& e )
142 {
143 wxString s = e.GetString();
144
145 m_cb->DelegateChoice( s );
146 wxCommandEvent event2(wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
147 event2.SetInt(m_cb->GetSelection());
148 event2.SetEventObject(m_cb);
149 event2.SetString(m_cb->GetStringSelection());
150 m_cb->ProcessCommand(event2);
151 }
152
153 private:
154 wxComboBox *m_cb;
155
156 DECLARE_EVENT_TABLE()
157 };
158
159 BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
160 EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
161 END_EVENT_TABLE()
162
163 wxComboBox::~wxComboBox()
164 {
165 // delete client objects
166 FreeData();
167
168 // delete the controls now, don't leave them alive even though they would
169 // still be eventually deleted by our parent - but it will be too late, the
170 // user code expects them to be gone now
171 if (m_text != NULL) {
172 delete m_text;
173 m_text = NULL;
174 }
175 if (m_choice != NULL) {
176 delete m_choice;
177 m_choice = NULL;
178 }
179 }
180
181
182 // ----------------------------------------------------------------------------
183 // geometry
184 // ----------------------------------------------------------------------------
185
186 wxSize wxComboBox::DoGetBestSize() const
187 {
188 wxSize size = m_choice->GetBestSize();
189
190 if ( m_text != NULL )
191 {
192 wxSize sizeText = m_text->GetBestSize();
193
194 size.x = POPUPWIDTH + sizeText.x + MARGIN;
195 }
196
197 return size;
198 }
199
200 void wxComboBox::DoMoveWindow(int x, int y, int width, int height) {
201 height = POPUPHEIGHT;
202
203 wxControl::DoMoveWindow(x, y, width, height);
204
205 if ( m_text == NULL )
206 {
207 m_choice->SetSize(0, 0 , width, -1);
208 }
209 else
210 {
211 wxCoord wText = width - POPUPWIDTH - MARGIN;
212 m_text->SetSize(0, 0, wText, height);
213 m_choice->SetSize(0 + wText + MARGIN, 0, POPUPWIDTH, -1);
214 }
215 }
216
217
218
219 // ----------------------------------------------------------------------------
220 // operations forwarded to the subcontrols
221 // ----------------------------------------------------------------------------
222
223 bool wxComboBox::Enable(bool enable)
224 {
225 if ( !wxControl::Enable(enable) )
226 return false;
227
228 return true;
229 }
230
231 bool wxComboBox::Show(bool show)
232 {
233 if ( !wxControl::Show(show) )
234 return false;
235
236 return true;
237 }
238
239 void wxComboBox::SetFocus()
240 {
241 if ( m_text != NULL) {
242 m_text->SetFocus();
243 }
244 }
245
246
247 void wxComboBox::DelegateTextChanged( const wxString& value )
248 {
249 SetStringSelection( value );
250 }
251
252
253 void wxComboBox::DelegateChoice( const wxString& value )
254 {
255 SetStringSelection( value );
256 }
257
258
259 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
260 const wxString& value,
261 const wxPoint& pos,
262 const wxSize& size,
263 const wxArrayString& choices,
264 long style,
265 const wxValidator& validator,
266 const wxString& name)
267 {
268 wxCArrayString chs( choices );
269
270 return Create( parent, id, value, pos, size, chs.GetCount(),
271 chs.GetStrings(), style, validator, name );
272 }
273
274
275 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
276 const wxString& value,
277 const wxPoint& pos,
278 const wxSize& size,
279 int n, const wxString choices[],
280 long style,
281 const wxValidator& validator,
282 const wxString& name)
283 {
284 if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style ,
285 wxDefaultValidator, name) )
286 {
287 return false;
288 }
289
290 m_choice = new wxComboBoxChoice(this, style );
291
292 wxSize csize = size;
293 if ( style & wxCB_READONLY )
294 {
295 m_text = NULL;
296 }
297 else
298 {
299 m_text = new wxComboBoxText(this);
300 if ( size.y == -1 ) {
301 csize.y = m_text->GetSize().y ;
302 }
303 }
304
305 DoSetSize(pos.x, pos.y, csize.x, csize.y);
306
307 for ( int i = 0 ; i < n ; i++ )
308 {
309 m_choice->DoAppend( choices[ i ] );
310 }
311
312 return true;
313 }
314
315 wxString wxComboBox::GetValue() const
316 {
317 wxString result;
318
319 if ( m_text == NULL )
320 {
321 result = m_choice->GetString( m_choice->GetSelection() );
322 }
323 else
324 {
325 result = m_text->GetValue();
326 }
327
328 return result;
329 }
330
331 void wxComboBox::SetValue(const wxString& value)
332 {
333 int s = FindString (value);
334 if (s == wxNOT_FOUND && !HasFlag(wxCB_READONLY) )
335 {
336 m_choice->Append(value) ;
337 }
338 SetStringSelection( value ) ;
339 }
340
341 // Clipboard operations
342 void wxComboBox::Copy()
343 {
344 if ( m_text != NULL )
345 {
346 m_text->Copy();
347 }
348 }
349
350 void wxComboBox::Cut()
351 {
352 if ( m_text != NULL )
353 {
354 m_text->Cut();
355 }
356 }
357
358 void wxComboBox::Paste()
359 {
360 if ( m_text != NULL )
361 {
362 m_text->Paste();
363 }
364 }
365
366 void wxComboBox::SetEditable(bool editable)
367 {
368 if ( ( m_text == NULL ) && editable )
369 {
370 m_text = new wxComboBoxText( this );
371 }
372 else if ( ( m_text != NULL ) && !editable )
373 {
374 delete m_text;
375 m_text = NULL;
376 }
377
378 int currentX, currentY;
379 GetPosition( &currentX, &currentY );
380
381 int currentW, currentH;
382 GetSize( &currentW, &currentH );
383
384 DoMoveWindow( currentX, currentY, currentW, currentH );
385 }
386
387 void wxComboBox::SetInsertionPoint(long pos)
388 {
389 // TODO
390 }
391
392 void wxComboBox::SetInsertionPointEnd()
393 {
394 // TODO
395 }
396
397 long wxComboBox::GetInsertionPoint() const
398 {
399 // TODO
400 return 0;
401 }
402
403 wxTextPos wxComboBox::GetLastPosition() const
404 {
405 // TODO
406 return 0;
407 }
408
409 void wxComboBox::Replace(long from, long to, const wxString& value)
410 {
411 // TODO
412 }
413
414 void wxComboBox::Remove(long from, long to)
415 {
416 // TODO
417 }
418
419 void wxComboBox::SetSelection(long from, long to)
420 {
421 // TODO
422 }
423
424 int wxComboBox::DoAppend(const wxString& item)
425 {
426 return m_choice->DoAppend( item ) ;
427 }
428
429 int wxComboBox::DoInsert(const wxString& item, int pos)
430 {
431 return m_choice->DoInsert( item , pos ) ;
432 }
433
434 void wxComboBox::DoSetItemClientData(int n, void* clientData)
435 {
436 return m_choice->DoSetItemClientData( n , clientData ) ;
437 }
438
439 void* wxComboBox::DoGetItemClientData(int n) const
440 {
441 return m_choice->DoGetItemClientData( n ) ;
442 }
443
444 void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
445 {
446 return m_choice->DoSetItemClientObject( n , clientData ) ;
447 }
448
449 wxClientData* wxComboBox::DoGetItemClientObject(int n) const
450 {
451 return m_choice->DoGetItemClientObject( n ) ;
452 }
453
454 void wxComboBox::FreeData()
455 {
456 if ( HasClientObjectData() )
457 {
458 size_t count = GetCount();
459 for ( size_t n = 0; n < count; n++ )
460 {
461 SetClientObject( n, NULL );
462 }
463 }
464 }
465
466 void wxComboBox::Delete(int n)
467 {
468 // force client object deletion
469 if( HasClientObjectData() )
470 SetClientObject( n, NULL );
471 m_choice->Delete( n );
472 }
473
474 void wxComboBox::Clear()
475 {
476 FreeData();
477 m_choice->Clear();
478 }
479
480 int wxComboBox::GetSelection() const
481 {
482 return m_choice->GetSelection();
483 }
484
485 void wxComboBox::SetSelection(int n)
486 {
487 m_choice->SetSelection( n );
488
489 if ( m_text != NULL )
490 {
491 m_text->SetValue( GetString( n ) );
492 }
493 }
494
495 int wxComboBox::FindString(const wxString& s) const
496 {
497 return m_choice->FindString( s );
498 }
499
500 wxString wxComboBox::GetString(int n) const
501 {
502 return m_choice->GetString( n );
503 }
504
505 wxString wxComboBox::GetStringSelection() const
506 {
507 int sel = GetSelection ();
508 if (sel > -1)
509 return wxString(this->GetString (sel));
510 else
511 return wxEmptyString;
512 }
513
514 void wxComboBox::SetString(int n, const wxString& s)
515 {
516 m_choice->SetString( n , s ) ;
517 }
518
519 bool wxComboBox::IsEditable() const
520 {
521 return m_text != NULL && !HasFlag(wxCB_READONLY);
522 }
523
524 void wxComboBox::Undo()
525 {
526 if (m_text != NULL)
527 m_text->Undo();
528 }
529
530 void wxComboBox::Redo()
531 {
532 if (m_text != NULL)
533 m_text->Redo();
534 }
535
536 void wxComboBox::SelectAll()
537 {
538 if (m_text != NULL)
539 m_text->SelectAll();
540 }
541
542 bool wxComboBox::CanCopy() const
543 {
544 if (m_text != NULL)
545 return m_text->CanCopy();
546 else
547 return false;
548 }
549
550 bool wxComboBox::CanCut() const
551 {
552 if (m_text != NULL)
553 return m_text->CanCut();
554 else
555 return false;
556 }
557
558 bool wxComboBox::CanPaste() const
559 {
560 if (m_text != NULL)
561 return m_text->CanPaste();
562 else
563 return false;
564 }
565
566 bool wxComboBox::CanUndo() const
567 {
568 if (m_text != NULL)
569 return m_text->CanUndo();
570 else
571 return false;
572 }
573
574 bool wxComboBox::CanRedo() const
575 {
576 if (m_text != NULL)
577 return m_text->CanRedo();
578 else
579 return false;
580 }
581
582 void wxComboBox::MacHandleControlClick( WXWidget WXUNUSED(control) , wxInt16 WXUNUSED(controlpart) , bool WXUNUSED(mouseStillDown))
583 {
584 wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
585 event.SetInt(GetSelection());
586 event.SetEventObject(this);
587 event.SetString(GetStringSelection());
588 ProcessCommand(event);
589 }
590