]>
Commit | Line | Data |
---|---|---|
1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/mac/carbon/combobox.cpp | |
3 | // Purpose: wxComboBox class | |
4 | // Author: Stefan Csomor, Dan "Bud" Keith (composite combobox) | |
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_COMBOBOX | |
15 | ||
16 | #include "wx/combobox.h" | |
17 | #include "wx/button.h" | |
18 | #include "wx/menu.h" | |
19 | #include "wx/containr.h" | |
20 | #include "wx/mac/uma.h" | |
21 | ||
22 | IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) | |
23 | ||
24 | WX_DELEGATE_TO_CONTROL_CONTAINER(wxComboBox) | |
25 | ||
26 | BEGIN_EVENT_TABLE(wxComboBox, wxControl) | |
27 | WX_EVENT_TABLE_CONTROL_CONTAINER(wxComboBox) | |
28 | END_EVENT_TABLE() | |
29 | ||
30 | ||
31 | static int nextPopUpMenuId = 1000 ; | |
32 | ||
33 | MenuHandle NewUniqueMenu() | |
34 | { | |
35 | MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ; | |
36 | nextPopUpMenuId++ ; | |
37 | ||
38 | return handle ; | |
39 | } | |
40 | ||
41 | ||
42 | // ---------------------------------------------------------------------------- | |
43 | // constants | |
44 | // ---------------------------------------------------------------------------- | |
45 | ||
46 | // the margin between the text control and the choice | |
47 | #if TARGET_API_MAC_OSX | |
48 | // margin should be bigger on OS X due to blue highlight | |
49 | // around text control. | |
50 | static const wxCoord MARGIN = 4; | |
51 | // this is the border a focus rect on OSX is needing | |
52 | static const int TEXTFOCUSBORDER = 3 ; | |
53 | #else | |
54 | static const wxCoord MARGIN = 2; | |
55 | static const int TEXTFOCUSBORDER = 0 ; | |
56 | #endif | |
57 | static const int POPUPHEIGHT = 23; | |
58 | ||
59 | ||
60 | // ---------------------------------------------------------------------------- | |
61 | // wxComboBoxText: text control forwards events to combobox | |
62 | // ---------------------------------------------------------------------------- | |
63 | ||
64 | class wxComboBoxText : public wxTextCtrl | |
65 | { | |
66 | public: | |
67 | wxComboBoxText( wxComboBox * cb ) | |
68 | : wxTextCtrl( cb , 1 ) | |
69 | { | |
70 | m_cb = cb; | |
71 | } | |
72 | ||
73 | protected: | |
74 | void OnChar( wxKeyEvent& event ) | |
75 | { | |
76 | // Allows processing the tab key to go to the next control | |
77 | if (event.GetKeyCode() == WXK_TAB) | |
78 | { | |
79 | wxNavigationKeyEvent NavEvent; | |
80 | NavEvent.SetEventObject(this); | |
81 | NavEvent.SetDirection(true); | |
82 | NavEvent.SetWindowChange(false); | |
83 | ||
84 | // Get the parent of the combo and have it process the navigation? | |
85 | if (m_cb->GetParent()->GetEventHandler()->ProcessEvent(NavEvent)) | |
86 | return; | |
87 | } | |
88 | ||
89 | // send the event to the combobox class in case the user has bound EVT_CHAR | |
90 | wxKeyEvent kevt(event); | |
91 | kevt.SetEventObject(m_cb); | |
92 | if (m_cb->GetEventHandler()->ProcessEvent(kevt)) | |
93 | // If the event was handled and not skipped then we're done | |
94 | return; | |
95 | ||
96 | if ( event.GetKeyCode() == WXK_RETURN ) | |
97 | { | |
98 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_cb->GetId()); | |
99 | event.SetString( GetValue() ); | |
100 | event.SetInt( m_cb->GetSelection() ); | |
101 | event.SetEventObject( m_cb ); | |
102 | ||
103 | // This will invoke the dialog default action, | |
104 | // such as the clicking the default button. | |
105 | if (!m_cb->GetEventHandler()->ProcessEvent( event )) | |
106 | { | |
107 | wxWindow *parent = GetParent(); | |
108 | while ( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) | |
109 | parent = parent->GetParent() ; | |
110 | ||
111 | if ( parent && parent->GetDefaultItem() ) | |
112 | { | |
113 | wxButton *def = wxDynamicCast(parent->GetDefaultItem(), wxButton); | |
114 | if ( def && def->IsEnabled() ) | |
115 | { | |
116 | wxCommandEvent event( wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() ); | |
117 | event.SetEventObject(def); | |
118 | def->Command(event); | |
119 | } | |
120 | } | |
121 | ||
122 | return; | |
123 | } | |
124 | } | |
125 | ||
126 | event.Skip(); | |
127 | } | |
128 | ||
129 | void OnKeyUp( wxKeyEvent& event ) | |
130 | { | |
131 | event.SetEventObject(m_cb); | |
132 | event.SetId(m_cb->GetId()); | |
133 | if (! m_cb->GetEventHandler()->ProcessEvent(event)) | |
134 | event.Skip(); | |
135 | } | |
136 | ||
137 | void OnKeyDown( wxKeyEvent& event ) | |
138 | { | |
139 | event.SetEventObject(m_cb); | |
140 | event.SetId(m_cb->GetId()); | |
141 | if (! m_cb->GetEventHandler()->ProcessEvent(event)) | |
142 | event.Skip(); | |
143 | } | |
144 | ||
145 | void OnText( wxCommandEvent& event ) | |
146 | { | |
147 | event.SetEventObject(m_cb); | |
148 | event.SetId(m_cb->GetId()); | |
149 | if (! m_cb->GetEventHandler()->ProcessEvent(event)) | |
150 | event.Skip(); | |
151 | } | |
152 | ||
153 | private: | |
154 | wxComboBox *m_cb; | |
155 | ||
156 | DECLARE_EVENT_TABLE() | |
157 | }; | |
158 | ||
159 | BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl) | |
160 | EVT_KEY_DOWN(wxComboBoxText::OnKeyDown) | |
161 | EVT_CHAR(wxComboBoxText::OnChar) | |
162 | EVT_KEY_UP(wxComboBoxText::OnKeyUp) | |
163 | EVT_TEXT(-1, wxComboBoxText::OnText) | |
164 | END_EVENT_TABLE() | |
165 | ||
166 | class wxComboBoxChoice : public wxChoice | |
167 | { | |
168 | public: | |
169 | wxComboBoxChoice( wxComboBox *cb, int style ) | |
170 | : wxChoice( cb , 1 , wxDefaultPosition , wxDefaultSize , 0 , NULL , style & (wxCB_SORT) ) | |
171 | { | |
172 | m_cb = cb; | |
173 | } | |
174 | ||
175 | int GetPopupWidth() const | |
176 | { | |
177 | switch ( GetWindowVariant() ) | |
178 | { | |
179 | case wxWINDOW_VARIANT_NORMAL : | |
180 | case wxWINDOW_VARIANT_LARGE : | |
181 | return 24 ; | |
182 | ||
183 | default : | |
184 | return 21 ; | |
185 | } | |
186 | } | |
187 | ||
188 | protected: | |
189 | void OnChoice( wxCommandEvent& e ) | |
190 | { | |
191 | wxString s = e.GetString(); | |
192 | ||
193 | m_cb->DelegateChoice( s ); | |
194 | wxCommandEvent event2(wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() ); | |
195 | event2.SetInt(m_cb->GetSelection()); | |
196 | event2.SetEventObject(m_cb); | |
197 | event2.SetString(m_cb->GetStringSelection()); | |
198 | m_cb->ProcessCommand(event2); | |
199 | ||
200 | // For consistency with MSW and GTK, also send a text updated event | |
201 | // After all, the text is updated when a selection is made | |
202 | wxCommandEvent TextEvent( wxEVT_COMMAND_TEXT_UPDATED, m_cb->GetId() ); | |
203 | TextEvent.SetString( m_cb->GetStringSelection() ); | |
204 | TextEvent.SetEventObject( m_cb ); | |
205 | m_cb->ProcessCommand( TextEvent ); | |
206 | } | |
207 | ||
208 | virtual wxSize DoGetBestSize() const | |
209 | { | |
210 | wxSize sz = wxChoice::DoGetBestSize() ; | |
211 | if (! m_cb->HasFlag(wxCB_READONLY) ) | |
212 | sz.x = GetPopupWidth() ; | |
213 | ||
214 | return sz ; | |
215 | } | |
216 | ||
217 | private: | |
218 | wxComboBox *m_cb; | |
219 | ||
220 | friend class wxComboBox; | |
221 | ||
222 | DECLARE_EVENT_TABLE() | |
223 | }; | |
224 | ||
225 | BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice) | |
226 | EVT_CHOICE(-1, wxComboBoxChoice::OnChoice) | |
227 | END_EVENT_TABLE() | |
228 | ||
229 | wxComboBox::~wxComboBox() | |
230 | { | |
231 | // delete client objects | |
232 | FreeData(); | |
233 | ||
234 | // delete the controls now, don't leave them alive even though they would | |
235 | // still be eventually deleted by our parent - but it will be too late, the | |
236 | // user code expects them to be gone now | |
237 | if (m_text != NULL) | |
238 | { | |
239 | delete m_text; | |
240 | m_text = NULL; | |
241 | } | |
242 | ||
243 | if (m_choice != NULL) | |
244 | { | |
245 | delete m_choice; | |
246 | m_choice = NULL; | |
247 | } | |
248 | } | |
249 | ||
250 | // ---------------------------------------------------------------------------- | |
251 | // geometry | |
252 | // ---------------------------------------------------------------------------- | |
253 | ||
254 | wxSize wxComboBox::DoGetBestSize() const | |
255 | { | |
256 | if (!m_choice && !m_text) | |
257 | return GetSize(); | |
258 | ||
259 | wxSize size = m_choice->GetBestSize(); | |
260 | ||
261 | if ( m_text != NULL ) | |
262 | { | |
263 | wxSize sizeText = m_text->GetBestSize(); | |
264 | if (sizeText.y > size.y) | |
265 | size.y = sizeText.y; | |
266 | ||
267 | size.x = m_choice->GetPopupWidth() + sizeText.x + MARGIN; | |
268 | size.x += TEXTFOCUSBORDER ; | |
269 | size.y += 2 * TEXTFOCUSBORDER ; | |
270 | } | |
271 | else | |
272 | { | |
273 | // clipping is too tight | |
274 | size.y += 1 ; | |
275 | } | |
276 | ||
277 | return size; | |
278 | } | |
279 | ||
280 | void wxComboBox::DoMoveWindow(int x, int y, int width, int height) | |
281 | { | |
282 | wxControl::DoMoveWindow( x, y, width , height ); | |
283 | ||
284 | if ( m_text == NULL ) | |
285 | { | |
286 | // we might not be fully constructed yet, therefore watch out... | |
287 | if ( m_choice ) | |
288 | m_choice->SetSize(0, 0 , width, -1); | |
289 | } | |
290 | else | |
291 | { | |
292 | wxCoord wText = width - m_choice->GetPopupWidth() - MARGIN; | |
293 | m_text->SetSize(TEXTFOCUSBORDER, TEXTFOCUSBORDER, wText, -1); | |
294 | ||
295 | // put it at an inset of 1 to have outer area shadows drawn as well | |
296 | m_choice->SetSize(TEXTFOCUSBORDER + wText + MARGIN - 1 , TEXTFOCUSBORDER, m_choice->GetPopupWidth() , -1); | |
297 | } | |
298 | } | |
299 | ||
300 | // ---------------------------------------------------------------------------- | |
301 | // operations forwarded to the subcontrols | |
302 | // ---------------------------------------------------------------------------- | |
303 | ||
304 | bool wxComboBox::Enable(bool enable) | |
305 | { | |
306 | if ( !wxControl::Enable(enable) ) | |
307 | return false; | |
308 | ||
309 | if (m_text) | |
310 | m_text->Enable(enable); | |
311 | ||
312 | return true; | |
313 | } | |
314 | ||
315 | bool wxComboBox::Show(bool show) | |
316 | { | |
317 | if ( !wxControl::Show(show) ) | |
318 | return false; | |
319 | ||
320 | return true; | |
321 | } | |
322 | ||
323 | void wxComboBox::DelegateTextChanged( const wxString& value ) | |
324 | { | |
325 | SetStringSelection( value ); | |
326 | } | |
327 | ||
328 | void wxComboBox::DelegateChoice( const wxString& value ) | |
329 | { | |
330 | SetStringSelection( value ); | |
331 | } | |
332 | ||
333 | void wxComboBox::Init() | |
334 | { | |
335 | m_container.SetContainerWindow(this); | |
336 | } | |
337 | ||
338 | bool wxComboBox::Create(wxWindow *parent, | |
339 | wxWindowID id, | |
340 | const wxString& value, | |
341 | const wxPoint& pos, | |
342 | const wxSize& size, | |
343 | const wxArrayString& choices, | |
344 | long style, | |
345 | const wxValidator& validator, | |
346 | const wxString& name) | |
347 | { | |
348 | wxCArrayString chs( choices ); | |
349 | ||
350 | return Create( parent, id, value, pos, size, chs.GetCount(), | |
351 | chs.GetStrings(), style, validator, name ); | |
352 | } | |
353 | ||
354 | bool wxComboBox::Create(wxWindow *parent, | |
355 | wxWindowID id, | |
356 | const wxString& value, | |
357 | const wxPoint& pos, | |
358 | const wxSize& size, | |
359 | int n, | |
360 | const wxString choices[], | |
361 | long style, | |
362 | const wxValidator& validator, | |
363 | const wxString& name) | |
364 | { | |
365 | if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style , | |
366 | validator, name) ) | |
367 | { | |
368 | return false; | |
369 | } | |
370 | ||
371 | m_choice = new wxComboBoxChoice(this, style ); | |
372 | wxSize csize = size; | |
373 | if ( style & wxCB_READONLY ) | |
374 | { | |
375 | m_text = NULL; | |
376 | } | |
377 | else | |
378 | { | |
379 | m_text = new wxComboBoxText(this); | |
380 | if ( size.y == -1 ) | |
381 | { | |
382 | csize.y = m_text->GetSize().y ; | |
383 | csize.y += 2 * TEXTFOCUSBORDER ; | |
384 | } | |
385 | } | |
386 | ||
387 | DoSetSize(pos.x, pos.y, csize.x, csize.y); | |
388 | ||
389 | for ( int i = 0 ; i < n ; i++ ) | |
390 | { | |
391 | m_choice->DoAppend( choices[ i ] ); | |
392 | } | |
393 | ||
394 | // Needed because it is a wxControlWithItems | |
395 | SetBestSize(size); | |
396 | SetStringSelection(value); | |
397 | ||
398 | return true; | |
399 | } | |
400 | ||
401 | wxString wxComboBox::GetValue() const | |
402 | { | |
403 | wxString result; | |
404 | ||
405 | if ( m_text == NULL ) | |
406 | result = m_choice->GetString( m_choice->GetSelection() ); | |
407 | else | |
408 | result = m_text->GetValue(); | |
409 | ||
410 | return result; | |
411 | } | |
412 | ||
413 | size_t wxComboBox::GetCount() const | |
414 | { | |
415 | return m_choice->GetCount() ; | |
416 | } | |
417 | ||
418 | void wxComboBox::SetValue(const wxString& value) | |
419 | { | |
420 | if ( HasFlag(wxCB_READONLY) ) | |
421 | SetStringSelection( value ) ; | |
422 | else | |
423 | m_text->SetValue( value ); | |
424 | } | |
425 | ||
426 | // Clipboard operations | |
427 | ||
428 | void wxComboBox::Copy() | |
429 | { | |
430 | if ( m_text != NULL ) | |
431 | m_text->Copy(); | |
432 | } | |
433 | ||
434 | void wxComboBox::Cut() | |
435 | { | |
436 | if ( m_text != NULL ) | |
437 | m_text->Cut(); | |
438 | } | |
439 | ||
440 | void wxComboBox::Paste() | |
441 | { | |
442 | if ( m_text != NULL ) | |
443 | m_text->Paste(); | |
444 | } | |
445 | ||
446 | void wxComboBox::SetEditable(bool editable) | |
447 | { | |
448 | if ( ( m_text == NULL ) && editable ) | |
449 | { | |
450 | m_text = new wxComboBoxText( this ); | |
451 | } | |
452 | else if ( ( m_text != NULL ) && !editable ) | |
453 | { | |
454 | delete m_text; | |
455 | m_text = NULL; | |
456 | } | |
457 | ||
458 | int currentX, currentY; | |
459 | GetPosition( ¤tX, ¤tY ); | |
460 | ||
461 | int currentW, currentH; | |
462 | GetSize( ¤tW, ¤tH ); | |
463 | ||
464 | DoMoveWindow( currentX, currentY, currentW, currentH ); | |
465 | } | |
466 | ||
467 | void wxComboBox::SetInsertionPoint(long pos) | |
468 | { | |
469 | // TODO | |
470 | } | |
471 | ||
472 | void wxComboBox::SetInsertionPointEnd() | |
473 | { | |
474 | // TODO | |
475 | } | |
476 | ||
477 | long wxComboBox::GetInsertionPoint() const | |
478 | { | |
479 | // TODO | |
480 | return 0; | |
481 | } | |
482 | ||
483 | wxTextPos wxComboBox::GetLastPosition() const | |
484 | { | |
485 | // TODO | |
486 | return 0; | |
487 | } | |
488 | ||
489 | void wxComboBox::Replace(long from, long to, const wxString& value) | |
490 | { | |
491 | // TODO | |
492 | } | |
493 | ||
494 | void wxComboBox::Remove(long from, long to) | |
495 | { | |
496 | // TODO | |
497 | } | |
498 | ||
499 | void wxComboBox::SetSelection(long from, long to) | |
500 | { | |
501 | // TODO | |
502 | } | |
503 | ||
504 | int wxComboBox::DoAppend(const wxString& item) | |
505 | { | |
506 | return m_choice->DoAppend( item ) ; | |
507 | } | |
508 | ||
509 | int wxComboBox::DoInsert(const wxString& item, int pos) | |
510 | { | |
511 | return m_choice->DoInsert( item , pos ) ; | |
512 | } | |
513 | ||
514 | void wxComboBox::DoSetItemClientData(int n, void* clientData) | |
515 | { | |
516 | return m_choice->DoSetItemClientData( n , clientData ) ; | |
517 | } | |
518 | ||
519 | void* wxComboBox::DoGetItemClientData(int n) const | |
520 | { | |
521 | return m_choice->DoGetItemClientData( n ) ; | |
522 | } | |
523 | ||
524 | void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData) | |
525 | { | |
526 | return m_choice->DoSetItemClientObject( n , clientData ) ; | |
527 | } | |
528 | ||
529 | wxClientData* wxComboBox::DoGetItemClientObject(int n) const | |
530 | { | |
531 | return m_choice->DoGetItemClientObject( n ) ; | |
532 | } | |
533 | ||
534 | void wxComboBox::FreeData() | |
535 | { | |
536 | if ( HasClientObjectData() ) | |
537 | { | |
538 | size_t count = GetCount(); | |
539 | for ( size_t n = 0; n < count; n++ ) | |
540 | { | |
541 | SetClientObject( n, NULL ); | |
542 | } | |
543 | } | |
544 | } | |
545 | ||
546 | void wxComboBox::Delete(int n) | |
547 | { | |
548 | // force client object deletion | |
549 | if( HasClientObjectData() ) | |
550 | SetClientObject( n, NULL ); | |
551 | m_choice->Delete( n ); | |
552 | } | |
553 | ||
554 | void wxComboBox::Clear() | |
555 | { | |
556 | FreeData(); | |
557 | m_choice->Clear(); | |
558 | } | |
559 | ||
560 | int wxComboBox::GetSelection() const | |
561 | { | |
562 | return m_choice->GetSelection(); | |
563 | } | |
564 | ||
565 | void wxComboBox::SetSelection(int n) | |
566 | { | |
567 | m_choice->SetSelection( n ); | |
568 | ||
569 | if ( m_text != NULL ) | |
570 | m_text->SetValue( GetString( n ) ); | |
571 | } | |
572 | ||
573 | int wxComboBox::FindString(const wxString& s, bool bCase) const | |
574 | { | |
575 | return m_choice->FindString( s, bCase ); | |
576 | } | |
577 | ||
578 | wxString wxComboBox::GetString(int n) const | |
579 | { | |
580 | return m_choice->GetString( n ); | |
581 | } | |
582 | ||
583 | wxString wxComboBox::GetStringSelection() const | |
584 | { | |
585 | int sel = GetSelection(); | |
586 | if (sel > -1) | |
587 | return wxString(this->GetString (sel)); | |
588 | else | |
589 | return wxEmptyString; | |
590 | } | |
591 | ||
592 | void wxComboBox::SetString(int n, const wxString& s) | |
593 | { | |
594 | m_choice->SetString( n , s ) ; | |
595 | } | |
596 | ||
597 | bool wxComboBox::IsEditable() const | |
598 | { | |
599 | return m_text != NULL && !HasFlag(wxCB_READONLY); | |
600 | } | |
601 | ||
602 | void wxComboBox::Undo() | |
603 | { | |
604 | if (m_text != NULL) | |
605 | m_text->Undo(); | |
606 | } | |
607 | ||
608 | void wxComboBox::Redo() | |
609 | { | |
610 | if (m_text != NULL) | |
611 | m_text->Redo(); | |
612 | } | |
613 | ||
614 | void wxComboBox::SelectAll() | |
615 | { | |
616 | if (m_text != NULL) | |
617 | m_text->SelectAll(); | |
618 | } | |
619 | ||
620 | bool wxComboBox::CanCopy() const | |
621 | { | |
622 | if (m_text != NULL) | |
623 | return m_text->CanCopy(); | |
624 | else | |
625 | return false; | |
626 | } | |
627 | ||
628 | bool wxComboBox::CanCut() const | |
629 | { | |
630 | if (m_text != NULL) | |
631 | return m_text->CanCut(); | |
632 | else | |
633 | return false; | |
634 | } | |
635 | ||
636 | bool wxComboBox::CanPaste() const | |
637 | { | |
638 | if (m_text != NULL) | |
639 | return m_text->CanPaste(); | |
640 | else | |
641 | return false; | |
642 | } | |
643 | ||
644 | bool wxComboBox::CanUndo() const | |
645 | { | |
646 | if (m_text != NULL) | |
647 | return m_text->CanUndo(); | |
648 | else | |
649 | return false; | |
650 | } | |
651 | ||
652 | bool wxComboBox::CanRedo() const | |
653 | { | |
654 | if (m_text != NULL) | |
655 | return m_text->CanRedo(); | |
656 | else | |
657 | return false; | |
658 | } | |
659 | ||
660 | wxInt32 wxComboBox::MacControlHit( WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) ) | |
661 | { | |
662 | /* | |
663 | For consistency with other platforms, clicking in the text area does not constitute a selection | |
664 | wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId ); | |
665 | event.SetInt(GetSelection()); | |
666 | event.SetEventObject(this); | |
667 | event.SetString(GetStringSelection()); | |
668 | ProcessCommand(event); | |
669 | */ | |
670 | ||
671 | return noErr ; | |
672 | } | |
673 | ||
674 | #endif |