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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <accessibility/standard/vclxaccessiblebox.hxx>
21 : #include <accessibility/standard/vclxaccessibletextfield.hxx>
22 : #include <accessibility/standard/vclxaccessibleedit.hxx>
23 : #include <accessibility/standard/vclxaccessiblelist.hxx>
24 : #include <accessibility/helper/listboxhelper.hxx>
25 :
26 : #include <unotools/accessiblestatesethelper.hxx>
27 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
28 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
29 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
30 : #include <vcl/svapp.hxx>
31 : #include <vcl/combobox.hxx>
32 : #include <vcl/lstbox.hxx>
33 : #include <accessibility/helper/accresmgr.hxx>
34 : #include <accessibility/helper/accessiblestrings.hrc>
35 :
36 : using namespace ::com::sun::star;
37 : using namespace ::com::sun::star::uno;
38 : using namespace ::com::sun::star::lang;
39 : using namespace ::com::sun::star::beans;
40 : using namespace ::com::sun::star::accessibility;
41 :
42 0 : VCLXAccessibleBox::VCLXAccessibleBox (VCLXWindow* pVCLWindow, BoxType aType, bool bIsDropDownBox)
43 : : VCLXAccessibleComponent (pVCLWindow),
44 : m_aBoxType (aType),
45 : m_bIsDropDownBox (bIsDropDownBox),
46 0 : m_nIndexInParent (DEFAULT_INDEX_IN_PARENT)
47 : {
48 : // Set up the flags that indicate which children this object has.
49 0 : m_bHasListChild = true;
50 :
51 : // A text field is not present for non drop down list boxes.
52 0 : if ((m_aBoxType==LISTBOX) && ! m_bIsDropDownBox)
53 0 : m_bHasTextChild = false;
54 : else
55 0 : m_bHasTextChild = true;
56 0 : }
57 :
58 0 : VCLXAccessibleBox::~VCLXAccessibleBox (void)
59 : {
60 0 : }
61 :
62 0 : void VCLXAccessibleBox::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent )
63 : {
64 0 : uno::Any aOldValue, aNewValue;
65 0 : uno::Reference<XAccessible> xAcc;
66 :
67 0 : switch ( rVclWindowEvent.GetId() )
68 : {
69 : case VCLEVENT_WINDOW_SHOW:
70 : case VCLEVENT_WINDOW_HIDE:
71 : {
72 0 : Window* pChildWindow = (Window *) rVclWindowEvent.GetData();
73 : // Just compare to the combo box text field. All other children
74 : // are identical to this object in which case this object will
75 : // be removed in a short time.
76 0 : if (m_aBoxType==COMBOBOX)
77 : {
78 0 : ComboBox* pComboBox = static_cast<ComboBox*>(GetWindow());
79 0 : if ( ( pComboBox != NULL ) && ( pChildWindow != NULL ) )
80 0 : if (pChildWindow == pComboBox->GetSubEdit())
81 : {
82 0 : if (rVclWindowEvent.GetId() == VCLEVENT_WINDOW_SHOW)
83 : {
84 : // Instantiate text field.
85 0 : getAccessibleChild (0);
86 0 : aNewValue <<= m_xText;
87 : }
88 : else
89 : {
90 : // Release text field.
91 0 : aOldValue <<= m_xText;
92 0 : m_xText = NULL;
93 : }
94 : // Tell the listeners about the new/removed child.
95 : NotifyAccessibleEvent (
96 : AccessibleEventId::CHILD,
97 0 : aOldValue, aNewValue);
98 : }
99 :
100 : }
101 : }
102 0 : break;
103 :
104 : default:
105 0 : VCLXAccessibleComponent::ProcessWindowChildEvent (rVclWindowEvent);
106 0 : }
107 0 : }
108 :
109 0 : void VCLXAccessibleBox::ProcessWindowEvent (const VclWindowEvent& rVclWindowEvent)
110 : {
111 0 : switch ( rVclWindowEvent.GetId() )
112 : {
113 : case VCLEVENT_DROPDOWN_SELECT:
114 : case VCLEVENT_LISTBOX_SELECT:
115 : case VCLEVENT_LISTBOX_FOCUSITEMCHANGED:
116 :
117 : {
118 : // Forward the call to the list child.
119 0 : VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
120 0 : if ( pList == NULL )
121 : {
122 0 : getAccessibleChild ( m_bHasTextChild ? 1 : 0 );
123 0 : pList = static_cast<VCLXAccessibleList*>(m_xList.get());
124 : }
125 0 : if ( pList != NULL )
126 : {
127 0 : pList->ProcessWindowEvent (rVclWindowEvent, m_bIsDropDownBox);
128 0 : if(m_bIsDropDownBox)
129 : {
130 0 : NotifyAccessibleEvent(AccessibleEventId::VALUE_CHANGED, Any(), Any());
131 0 : Any aOldValue;
132 0 : Any aNewValue;
133 0 : aOldValue <<= AccessibleStateType::INDETERMINATE;
134 0 : NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue);
135 :
136 : }
137 : }
138 0 : break;
139 : }
140 : case VCLEVENT_DROPDOWN_OPEN:
141 : {
142 0 : VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
143 0 : if ( pList == NULL )
144 : {
145 0 : getAccessibleChild ( m_bHasTextChild ? 1 : 0 );
146 0 : pList = static_cast<VCLXAccessibleList*>(m_xList.get());
147 : }
148 0 : if ( pList != NULL )
149 : {
150 0 : pList->ProcessWindowEvent (rVclWindowEvent);
151 0 : pList->HandleDropOpen();
152 : }
153 0 : break;
154 : }
155 : case VCLEVENT_DROPDOWN_CLOSE:
156 : {
157 0 : VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
158 0 : if ( pList == NULL )
159 : {
160 0 : getAccessibleChild ( m_bHasTextChild ? 1 : 0 );
161 0 : pList = static_cast<VCLXAccessibleList*>(m_xList.get());
162 : }
163 0 : if ( pList != NULL )
164 : {
165 0 : pList->ProcessWindowEvent (rVclWindowEvent);
166 : }
167 0 : Window* pWindow = GetWindow();
168 0 : if( pWindow && (pWindow->HasFocus() || pWindow->HasChildPathFocus()) )
169 : {
170 0 : Any aOldValue, aNewValue;
171 0 : aNewValue <<= AccessibleStateType::FOCUSED;
172 0 : NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
173 : }
174 0 : break;
175 : }
176 : case VCLEVENT_COMBOBOX_SELECT:
177 : {
178 0 : VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
179 0 : if (pList != NULL)
180 : {
181 0 : Reference<XAccessibleText> xText (m_xText->getAccessibleContext(), UNO_QUERY);
182 0 : if ( xText.is() )
183 : {
184 0 : ::rtl::OUString sText = xText->getSelectedText();
185 0 : if ( sText.isEmpty() )
186 0 : sText = xText->getText();
187 0 : pList->UpdateSelection_Acc (sText, m_bIsDropDownBox);
188 : //if(m_bIsDropDownBox && !pList->IsInDropDown())
189 0 : if (m_bIsDropDownBox || ( !m_bIsDropDownBox && m_aBoxType==COMBOBOX))
190 0 : NotifyAccessibleEvent(AccessibleEventId::VALUE_CHANGED, Any(), Any());
191 :
192 0 : Any aOldValue;
193 0 : Any aNewValue;
194 0 : aOldValue <<= AccessibleStateType::INDETERMINATE;
195 0 : NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue);
196 :
197 0 : }
198 : }
199 0 : break;
200 : }
201 : //case VCLEVENT_DROPDOWN_OPEN:
202 : //case VCLEVENT_DROPDOWN_CLOSE:
203 : case VCLEVENT_LISTBOX_DOUBLECLICK:
204 : case VCLEVENT_LISTBOX_SCROLLED:
205 : //case VCLEVENT_LISTBOX_SELECT:
206 : case VCLEVENT_LISTBOX_ITEMADDED:
207 : case VCLEVENT_LISTBOX_ITEMREMOVED:
208 : case VCLEVENT_COMBOBOX_ITEMADDED:
209 : case VCLEVENT_COMBOBOX_ITEMREMOVED:
210 : case VCLEVENT_COMBOBOX_SCROLLED:
211 : {
212 : // Forward the call to the list child.
213 0 : VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
214 0 : if ( pList == NULL )
215 : {
216 0 : getAccessibleChild ( m_bHasTextChild ? 1 : 0 );
217 0 : pList = static_cast<VCLXAccessibleList*>(m_xList.get());
218 : }
219 0 : if ( pList != NULL )
220 0 : pList->ProcessWindowEvent (rVclWindowEvent);
221 0 : break;
222 : }
223 :
224 : //case VCLEVENT_COMBOBOX_SELECT:
225 : case VCLEVENT_COMBOBOX_DESELECT:
226 : {
227 : // Selection is handled by VCLXAccessibleList which operates on
228 : // the same VCL object as this box does. In case of the
229 : // combobox, however, we have to help by providing the list with
230 : // the text of the currently selected item.
231 0 : VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
232 0 : if (pList != NULL && m_xText.is())
233 : {
234 0 : Reference<XAccessibleText> xText (m_xText->getAccessibleContext(), UNO_QUERY);
235 0 : if ( xText.is() )
236 : {
237 0 : OUString sText = xText->getSelectedText();
238 0 : if ( sText.isEmpty() )
239 0 : sText = xText->getText();
240 0 : pList->UpdateSelection (sText);
241 0 : }
242 : }
243 0 : break;
244 : }
245 :
246 : case VCLEVENT_EDIT_MODIFY:
247 : case VCLEVENT_EDIT_SELECTIONCHANGED:
248 : // case VCLEVENT_EDIT_CARETCHANGED:
249 : // Modify/Selection events are handled by the combo box instead of
250 : // directly by the edit field (Why?). Therefore, delegate this
251 : // call to the edit field.
252 0 : if (m_aBoxType==COMBOBOX)
253 : {
254 0 : if (m_xText.is())
255 : {
256 0 : Reference<XAccessibleContext> xContext = m_xText->getAccessibleContext();
257 0 : VCLXAccessibleEdit* pEdit = static_cast<VCLXAccessibleEdit*>(xContext.get());
258 0 : if (pEdit != NULL)
259 0 : pEdit->ProcessWindowEvent (rVclWindowEvent);
260 : }
261 : }
262 0 : break;
263 : /*
264 : // MT: Not sending VCLEVENT_LISTBOX_STATEUPDATE, see comment in ListBox::SelectEntryPos
265 : case VCLEVENT_LISTBOX_STATEUPDATE:
266 : {
267 : // Need to update the INDETERMINATE state sometimes
268 : if (m_bIsDropDownBox && m_aBoxType==LISTBOX)
269 : {
270 : sal_Int32 nSelectedEntryCount = 0;
271 : ListBox* pListBox = static_cast< ListBox* >( GetWindow() );
272 : if (pListBox != NULL && pListBox->GetEntryCount() > 0)
273 : {
274 : nSelectedEntryCount = pListBox->GetSelectEntryCount();
275 : Any aOldValue;
276 : Any aNewValue;
277 : if ( nSelectedEntryCount == 0)
278 : aNewValue <<= AccessibleStateType::INDETERMINATE;
279 : else
280 : aOldValue <<= AccessibleStateType::INDETERMINATE;
281 : NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue);
282 : }
283 : }
284 : break;
285 : }
286 : */
287 : default:
288 0 : VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent );
289 : }
290 0 : }
291 :
292 0 : IMPLEMENT_FORWARD_XINTERFACE2(VCLXAccessibleBox, VCLXAccessibleComponent, VCLXAccessibleBox_BASE)
293 0 : IMPLEMENT_FORWARD_XTYPEPROVIDER2(VCLXAccessibleBox, VCLXAccessibleComponent, VCLXAccessibleBox_BASE)
294 :
295 : //===== XAccessible =========================================================
296 :
297 0 : Reference< XAccessibleContext > SAL_CALL VCLXAccessibleBox::getAccessibleContext( )
298 : throw (RuntimeException, std::exception)
299 : {
300 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
301 :
302 0 : return this;
303 : }
304 :
305 : //===== XAccessibleContext ==================================================
306 :
307 0 : sal_Int32 SAL_CALL VCLXAccessibleBox::getAccessibleChildCount (void)
308 : throw (RuntimeException, std::exception)
309 : {
310 0 : SolarMutexGuard aSolarGuard;
311 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
312 :
313 : // Usually a box has a text field and a list of items as its children.
314 : // Non drop down list boxes have no text field. Additionally check
315 : // whether the object is valid.
316 0 : sal_Int32 nCount = 0;
317 0 : if (IsValid())
318 0 : nCount += (m_bHasTextChild?1:0) + (m_bHasListChild?1:0);
319 : else
320 : {
321 : // Object not valid anymore. Release references to children.
322 0 : m_bHasTextChild = false;
323 0 : m_xText = NULL;
324 0 : m_bHasListChild = false;
325 0 : m_xList = NULL;
326 : }
327 :
328 0 : return nCount;
329 : }
330 :
331 0 : Reference<XAccessible> SAL_CALL VCLXAccessibleBox::getAccessibleChild (sal_Int32 i)
332 : throw (IndexOutOfBoundsException, RuntimeException, std::exception)
333 : {
334 0 : SolarMutexGuard aSolarGuard;
335 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
336 :
337 0 : if (i<0 || i>=getAccessibleChildCount())
338 0 : throw IndexOutOfBoundsException();
339 :
340 0 : Reference< XAccessible > xChild;
341 0 : if (IsValid())
342 : {
343 0 : if (i==1 || ! m_bHasTextChild)
344 : {
345 : // List.
346 0 : if ( ! m_xList.is())
347 : {
348 0 : VCLXAccessibleList* pList = new VCLXAccessibleList ( GetVCLXWindow(),
349 0 : (m_aBoxType == LISTBOX ? VCLXAccessibleList::LISTBOX : VCLXAccessibleList::COMBOBOX),
350 0 : this);
351 0 : pList->SetIndexInParent (i);
352 0 : m_xList = pList;
353 : }
354 0 : xChild = m_xList;
355 : }
356 : else
357 : {
358 : // Text Field.
359 0 : if ( ! m_xText.is())
360 : {
361 0 : if (m_aBoxType==COMBOBOX)
362 : {
363 0 : ComboBox* pComboBox = static_cast<ComboBox*>(GetWindow());
364 0 : if (pComboBox!=NULL && pComboBox->GetSubEdit()!=NULL)
365 : //Set the edit's acc name the same as parent
366 : {
367 0 : pComboBox->GetSubEdit()->SetAccessibleName(getAccessibleName());
368 0 : m_xText = pComboBox->GetSubEdit()->GetAccessible();
369 : }
370 : }
371 0 : else if (m_bIsDropDownBox)
372 0 : m_xText = new VCLXAccessibleTextField (GetVCLXWindow(),this);
373 : }
374 0 : xChild = m_xText;
375 : }
376 : }
377 :
378 0 : return xChild;
379 : }
380 :
381 0 : sal_Int16 SAL_CALL VCLXAccessibleBox::getAccessibleRole (void) throw (RuntimeException, std::exception)
382 : {
383 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
384 :
385 : // Return the role <const>COMBO_BOX</const> for both VCL combo boxes and
386 : // VCL list boxes in DropDown-Mode else <const>PANEL</const>.
387 : // This way the Java bridge has not to handle both independently.
388 : //return m_bIsDropDownBox ? AccessibleRole::COMBO_BOX : AccessibleRole::PANEL;
389 0 : if (m_bIsDropDownBox || (!m_bIsDropDownBox && m_aBoxType == COMBOBOX ))
390 0 : return AccessibleRole::COMBO_BOX;
391 : else
392 0 : return AccessibleRole::PANEL;
393 : }
394 :
395 0 : sal_Int32 SAL_CALL VCLXAccessibleBox::getAccessibleIndexInParent (void)
396 : throw (::com::sun::star::uno::RuntimeException, std::exception)
397 : {
398 0 : if (m_nIndexInParent != DEFAULT_INDEX_IN_PARENT)
399 0 : return m_nIndexInParent;
400 : else
401 0 : return VCLXAccessibleComponent::getAccessibleIndexInParent();
402 : }
403 :
404 : //===== XAccessibleAction ===================================================
405 :
406 0 : sal_Int32 SAL_CALL VCLXAccessibleBox::getAccessibleActionCount (void)
407 : throw (RuntimeException, std::exception)
408 : {
409 0 : ::osl::Guard< ::osl::Mutex> aGuard (GetMutex());
410 :
411 : // There is one action for drop down boxes (toggle popup) and none for
412 : // the other boxes.
413 0 : return m_bIsDropDownBox ? 1 : 0;
414 : }
415 :
416 0 : sal_Bool SAL_CALL VCLXAccessibleBox::doAccessibleAction (sal_Int32 nIndex)
417 : throw (IndexOutOfBoundsException, RuntimeException, std::exception)
418 : {
419 0 : sal_Bool bNotify = sal_False;
420 :
421 : {
422 0 : SolarMutexGuard aSolarGuard;
423 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
424 :
425 0 : if (nIndex<0 || nIndex>=getAccessibleActionCount())
426 : throw ::com::sun::star::lang::IndexOutOfBoundsException(
427 : ("VCLXAccessibleBox::doAccessibleAction: index "
428 0 : + OUString::number(nIndex) + " not among 0.."
429 0 : + OUString::number(getAccessibleActionCount())),
430 0 : static_cast<OWeakObject*>(this));
431 :
432 0 : if (m_aBoxType == COMBOBOX)
433 : {
434 0 : ComboBox* pComboBox = static_cast< ComboBox* >( GetWindow() );
435 0 : if (pComboBox != NULL)
436 : {
437 0 : pComboBox->ToggleDropDown();
438 0 : bNotify = sal_True;
439 : }
440 : }
441 0 : else if (m_aBoxType == LISTBOX)
442 : {
443 0 : ListBox* pListBox = static_cast< ListBox* >( GetWindow() );
444 0 : if (pListBox != NULL)
445 : {
446 0 : pListBox->ToggleDropDown();
447 0 : bNotify = sal_True;
448 : }
449 0 : }
450 : }
451 :
452 0 : if (bNotify)
453 0 : NotifyAccessibleEvent (AccessibleEventId::ACTION_CHANGED, Any(), Any());
454 :
455 0 : return bNotify;
456 : }
457 :
458 0 : OUString SAL_CALL VCLXAccessibleBox::getAccessibleActionDescription (sal_Int32 nIndex)
459 : throw (IndexOutOfBoundsException, RuntimeException, std::exception)
460 : {
461 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
462 0 : if (nIndex<0 || nIndex>=getAccessibleActionCount())
463 0 : throw ::com::sun::star::lang::IndexOutOfBoundsException();
464 : //Solution:When combo_box,it should not has action information.
465 : //return TK_RES_STRING( RID_STR_ACC_ACTION_TOGGLEPOPUP);
466 0 : if (m_aBoxType == LISTBOX)
467 0 : return ::rtl::OUString();
468 0 : return m_bIsDropDownBox?::rtl::OUString():TK_RES_STRING( RID_STR_ACC_ACTION_TOGGLEPOPUP);
469 : }
470 :
471 0 : Reference< XAccessibleKeyBinding > VCLXAccessibleBox::getAccessibleActionKeyBinding( sal_Int32 nIndex )
472 : throw (IndexOutOfBoundsException, RuntimeException, std::exception)
473 : {
474 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
475 :
476 0 : Reference< XAccessibleKeyBinding > xRet;
477 :
478 0 : if (nIndex<0 || nIndex>=getAccessibleActionCount())
479 0 : throw ::com::sun::star::lang::IndexOutOfBoundsException();
480 :
481 : // ... which key?
482 0 : return xRet;
483 : }
484 :
485 : //===== XComponent ==========================================================
486 :
487 0 : void SAL_CALL VCLXAccessibleBox::disposing (void)
488 : {
489 0 : VCLXAccessibleComponent::disposing();
490 0 : }
491 :
492 : // ===== XAccessibleValue ===============================================
493 0 : Any VCLXAccessibleBox::getCurrentValue( )
494 : throw( RuntimeException, std::exception )
495 : {
496 0 : SolarMutexGuard aSolarGuard;
497 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
498 :
499 0 : Any aAny;
500 0 : if( m_xList.is() && m_xText.is())
501 : {
502 : // VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
503 0 : Reference<XAccessibleText> xText (m_xText->getAccessibleContext(), UNO_QUERY);
504 0 : if ( xText.is() )
505 : {
506 0 : ::rtl::OUString sText = xText->getText();
507 0 : aAny <<= sText;
508 0 : }
509 : }
510 0 : if (m_aBoxType == LISTBOX && m_bIsDropDownBox && m_xList.is() )
511 : {
512 :
513 0 : VCLXAccessibleList* pList = static_cast<VCLXAccessibleList*>(m_xList.get());
514 0 : if(pList->IsInDropDown())
515 : {
516 0 : if(pList->getSelectedAccessibleChildCount()>0)
517 : {
518 0 : Reference<XAccessibleContext> xName (pList->getSelectedAccessibleChild((sal_Int32)(0)), UNO_QUERY);
519 0 : if(xName.is())
520 : {
521 0 : aAny <<= xName->getAccessibleName();
522 0 : }
523 : }
524 : }
525 : }
526 :
527 0 : return aAny;
528 : }
529 :
530 0 : sal_Bool VCLXAccessibleBox::setCurrentValue( const Any& aNumber )
531 : throw( RuntimeException, std::exception )
532 : {
533 0 : SolarMutexGuard aSolarGuard;
534 0 : ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
535 :
536 0 : ::rtl::OUString fValue;
537 0 : sal_Bool bValid = (aNumber >>= fValue);
538 : if( bValid )
539 : {
540 :
541 : }
542 0 : return bValid;
543 :
544 : }
545 :
546 0 : Any VCLXAccessibleBox::getMaximumValue( )
547 : throw( RuntimeException, std::exception )
548 : {
549 0 : Any aAny;
550 0 : return aAny;
551 : }
552 :
553 0 : Any VCLXAccessibleBox::getMinimumValue( )
554 : throw( RuntimeException, std::exception )
555 : {
556 0 : Any aAny;
557 0 : return aAny;
558 : }
559 :
560 : // Set the INDETERMINATE state when there is no selected item for combobox
561 0 : void VCLXAccessibleBox::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
562 : {
563 0 : VCLXAccessibleComponent::FillAccessibleStateSet(rStateSet);
564 0 : if (m_aBoxType == COMBOBOX )
565 : {
566 0 : ::rtl::OUString sText;
567 0 : sal_Int32 nEntryCount = 0;
568 0 : ComboBox* pComboBox = static_cast<ComboBox*>(GetWindow());
569 0 : if (pComboBox != NULL)
570 : {
571 0 : Edit* pSubEdit = pComboBox->GetSubEdit();
572 0 : if ( pSubEdit)
573 0 : sText = pSubEdit->GetText();
574 0 : nEntryCount = pComboBox->GetEntryCount();
575 : }
576 0 : if ( sText.isEmpty() && nEntryCount > 0 )
577 0 : rStateSet.AddState(AccessibleStateType::INDETERMINATE);
578 : }
579 0 : else if (m_aBoxType == LISTBOX && m_bIsDropDownBox == true)
580 : {
581 0 : sal_Int32 nSelectedEntryCount = 0;
582 0 : ListBox* pListBox = static_cast< ListBox* >( GetWindow() );
583 0 : if (pListBox != NULL && pListBox->GetEntryCount() > 0)
584 : {
585 0 : nSelectedEntryCount = pListBox->GetSelectEntryCount();
586 0 : if ( nSelectedEntryCount == 0)
587 0 : rStateSet.AddState(AccessibleStateType::INDETERMINATE);
588 : }
589 : }
590 0 : }
591 :
592 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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