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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/vclxaccessibletextcomponent.hxx>
21 : #include <toolkit/helper/macros.hxx>
22 : #include <toolkit/helper/convert.hxx>
23 : #include <accessibility/helper/characterattributeshelper.hxx>
24 :
25 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
26 : #include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
27 : #include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
28 : #include <cppuhelper/typeprovider.hxx>
29 : #include <comphelper/sequence.hxx>
30 : #include <vcl/window.hxx>
31 : #include <vcl/svapp.hxx>
32 : #include <vcl/unohelp2.hxx>
33 : #include <vcl/ctrl.hxx>
34 : #include <vcl/settings.hxx>
35 :
36 : #include <vector>
37 :
38 : using namespace ::com::sun::star;
39 : using namespace ::com::sun::star::uno;
40 : using namespace ::com::sun::star::lang;
41 : using namespace ::com::sun::star::beans;
42 : using namespace ::com::sun::star::accessibility;
43 : using namespace ::comphelper;
44 :
45 :
46 :
47 : // class VCLXAccessibleTextComponent
48 :
49 :
50 0 : VCLXAccessibleTextComponent::VCLXAccessibleTextComponent( VCLXWindow* pVCLXWindow )
51 0 : :VCLXAccessibleComponent( pVCLXWindow )
52 : {
53 0 : if ( GetWindow() )
54 0 : m_sText = OutputDevice::GetNonMnemonicString( GetWindow()->GetText() );
55 0 : }
56 :
57 :
58 :
59 0 : VCLXAccessibleTextComponent::~VCLXAccessibleTextComponent()
60 : {
61 0 : }
62 :
63 :
64 :
65 0 : void VCLXAccessibleTextComponent::SetText( const OUString& sText )
66 : {
67 0 : Any aOldValue, aNewValue;
68 0 : if ( implInitTextChangedEvent( m_sText, sText, aOldValue, aNewValue ) )
69 : {
70 0 : m_sText = sText;
71 0 : NotifyAccessibleEvent( AccessibleEventId::TEXT_CHANGED, aOldValue, aNewValue );
72 0 : }
73 0 : }
74 :
75 :
76 :
77 0 : void VCLXAccessibleTextComponent::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
78 : {
79 0 : switch ( rVclWindowEvent.GetId() )
80 : {
81 : case VCLEVENT_WINDOW_FRAMETITLECHANGED:
82 : {
83 0 : VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent );
84 0 : SetText( implGetText() );
85 : }
86 0 : break;
87 : default:
88 0 : VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent );
89 : }
90 0 : }
91 :
92 :
93 : // OCommonAccessibleText
94 :
95 :
96 0 : OUString VCLXAccessibleTextComponent::implGetText()
97 : {
98 0 : OUString aText;
99 0 : if ( GetWindow() )
100 0 : aText = OutputDevice::GetNonMnemonicString( GetWindow()->GetText() );
101 :
102 0 : return aText;
103 : }
104 :
105 :
106 :
107 0 : lang::Locale VCLXAccessibleTextComponent::implGetLocale()
108 : {
109 0 : return Application::GetSettings().GetLanguageTag().getLocale();
110 : }
111 :
112 :
113 :
114 0 : void VCLXAccessibleTextComponent::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex )
115 : {
116 0 : nStartIndex = 0;
117 0 : nEndIndex = 0;
118 0 : }
119 :
120 :
121 : // XComponent
122 :
123 :
124 0 : void VCLXAccessibleTextComponent::disposing()
125 : {
126 0 : VCLXAccessibleComponent::disposing();
127 :
128 0 : m_sText = OUString();
129 0 : }
130 :
131 :
132 : // XInterface
133 :
134 :
135 0 : IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleTextComponent, VCLXAccessibleComponent, VCLXAccessibleTextComponent_BASE )
136 :
137 :
138 : // XTypeProvider
139 :
140 :
141 0 : IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleTextComponent, VCLXAccessibleComponent, VCLXAccessibleTextComponent_BASE )
142 :
143 :
144 : // XAccessibleText
145 :
146 :
147 0 : sal_Int32 VCLXAccessibleTextComponent::getCaretPosition() throw (RuntimeException, std::exception)
148 : {
149 0 : OExternalLockGuard aGuard( this );
150 :
151 0 : return -1;
152 : }
153 :
154 :
155 :
156 0 : sal_Bool VCLXAccessibleTextComponent::setCaretPosition( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
157 : {
158 0 : OExternalLockGuard aGuard( this );
159 :
160 0 : return setSelection( nIndex, nIndex );
161 : }
162 :
163 :
164 :
165 0 : sal_Unicode VCLXAccessibleTextComponent::getCharacter( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
166 : {
167 0 : OExternalLockGuard aGuard( this );
168 :
169 0 : return OCommonAccessibleText::getCharacter( nIndex );
170 : }
171 :
172 :
173 :
174 0 : Sequence< PropertyValue > VCLXAccessibleTextComponent::getCharacterAttributes( sal_Int32 nIndex, const Sequence< OUString >& aRequestedAttributes ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
175 : {
176 0 : OExternalLockGuard aGuard( this );
177 :
178 0 : Sequence< PropertyValue > aValues;
179 0 : OUString sText( implGetText() );
180 :
181 0 : if ( !implIsValidIndex( nIndex, sText.getLength() ) )
182 0 : throw IndexOutOfBoundsException();
183 :
184 0 : if ( GetWindow() )
185 : {
186 0 : Font aFont = GetWindow()->GetControlFont();
187 :
188 0 : sal_Int32 nBackColor = GetWindow()->GetControlBackground().GetColor();
189 0 : sal_Int32 nColor = GetWindow()->GetControlForeground().GetColor();
190 :
191 : // MT: Code with default font was introduced with the IA2 CWS, but I am not convinced that this is the correct font...
192 : // Decide what to do when we have a concrete issue.
193 : /*
194 : Font aDefaultVCLFont;
195 : OutputDevice* pDev = Application::GetDefaultDevice();
196 : if ( pDev )
197 : {
198 : aDefaultVCLFont = pDev->GetSettings().GetStyleSettings().GetAppFont();
199 : if ( !aFont.GetName().Len() )
200 : {
201 : String aDefaultName = aDefaultVCLFont.GetName();
202 : aFont.SetName( aDefaultName );
203 : }
204 : if ( !aFont.GetHeight() )
205 : {
206 : aFont.SetHeight( aDefaultVCLFont.GetHeight() );
207 : }
208 : if ( aFont.GetWeight() == WEIGHT_DONTKNOW )
209 : {
210 : aFont.SetWeight( aDefaultVCLFont.GetWeight() );
211 : }
212 :
213 : //if nColor is -1, it may indicate that the default color black is using.
214 : if ( nColor == -1)
215 : {
216 : nColor = aDefaultVCLFont.GetColor().GetColor();
217 : }
218 : }
219 : */
220 :
221 : // MT: Adjustment stuff was introduced with the IA2 CWS, but adjustment is not a character attribute...
222 : // In case we reintroduce it, use adjustment as extra parameter for the CharacterAttributesHelper...
223 : /*
224 : WinBits aBits = GetWindow()->GetStyle();
225 : sal_Int16 nAdjust = -1;
226 : if ( aBits & WB_LEFT )
227 : {
228 : nAdjust = style::ParagraphAdjust_LEFT;
229 : }
230 : else if ( aBits & WB_RIGHT )
231 : {
232 : nAdjust = style::ParagraphAdjust_RIGHT;
233 : }
234 : else if ( aBits & WB_CENTER )
235 : {
236 : nAdjust = style::ParagraphAdjust_CENTER;
237 : }
238 : */
239 :
240 0 : aValues = CharacterAttributesHelper( aFont, nBackColor, nColor )
241 0 : .GetCharacterAttributes( aRequestedAttributes );
242 : }
243 :
244 0 : return aValues;
245 : }
246 :
247 :
248 :
249 0 : awt::Rectangle VCLXAccessibleTextComponent::getCharacterBounds( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
250 : {
251 0 : OExternalLockGuard aGuard( this );
252 :
253 0 : if ( !implIsValidIndex( nIndex, implGetText().getLength() ) )
254 0 : throw IndexOutOfBoundsException();
255 :
256 0 : awt::Rectangle aRect;
257 0 : Control* pControl = static_cast< Control* >( GetWindow() );
258 0 : if ( pControl )
259 0 : aRect = AWTRectangle( pControl->GetCharacterBounds( nIndex ) );
260 :
261 0 : return aRect;
262 : }
263 :
264 :
265 :
266 0 : sal_Int32 VCLXAccessibleTextComponent::getCharacterCount() throw (RuntimeException, std::exception)
267 : {
268 0 : OExternalLockGuard aGuard( this );
269 :
270 0 : return OCommonAccessibleText::getCharacterCount();
271 : }
272 :
273 :
274 :
275 0 : sal_Int32 VCLXAccessibleTextComponent::getIndexAtPoint( const awt::Point& aPoint ) throw (RuntimeException, std::exception)
276 : {
277 0 : OExternalLockGuard aGuard( this );
278 :
279 0 : sal_Int32 nIndex = -1;
280 0 : Control* pControl = static_cast< Control* >( GetWindow() );
281 0 : if ( pControl )
282 0 : nIndex = pControl->GetIndexForPoint( VCLPoint( aPoint ) );
283 :
284 0 : return nIndex;
285 : }
286 :
287 :
288 :
289 0 : OUString VCLXAccessibleTextComponent::getSelectedText() throw (RuntimeException, std::exception)
290 : {
291 0 : OExternalLockGuard aGuard( this );
292 :
293 0 : return OCommonAccessibleText::getSelectedText();
294 : }
295 :
296 :
297 :
298 0 : sal_Int32 VCLXAccessibleTextComponent::getSelectionStart() throw (RuntimeException, std::exception)
299 : {
300 0 : OExternalLockGuard aGuard( this );
301 :
302 0 : return OCommonAccessibleText::getSelectionStart();
303 : }
304 :
305 :
306 :
307 0 : sal_Int32 VCLXAccessibleTextComponent::getSelectionEnd() throw (RuntimeException, std::exception)
308 : {
309 0 : OExternalLockGuard aGuard( this );
310 :
311 0 : return OCommonAccessibleText::getSelectionEnd();
312 : }
313 :
314 :
315 :
316 0 : sal_Bool VCLXAccessibleTextComponent::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
317 : {
318 0 : OExternalLockGuard aGuard( this );
319 :
320 0 : if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) )
321 0 : throw IndexOutOfBoundsException();
322 :
323 0 : return sal_False;
324 : }
325 :
326 :
327 :
328 0 : OUString VCLXAccessibleTextComponent::getText() throw (RuntimeException, std::exception)
329 : {
330 0 : OExternalLockGuard aGuard( this );
331 :
332 0 : return OCommonAccessibleText::getText();
333 : }
334 :
335 :
336 :
337 0 : OUString VCLXAccessibleTextComponent::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
338 : {
339 0 : OExternalLockGuard aGuard( this );
340 :
341 0 : return OCommonAccessibleText::getTextRange( nStartIndex, nEndIndex );
342 : }
343 :
344 :
345 :
346 0 : ::com::sun::star::accessibility::TextSegment VCLXAccessibleTextComponent::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception)
347 : {
348 0 : OExternalLockGuard aGuard( this );
349 :
350 0 : return OCommonAccessibleText::getTextAtIndex( nIndex, aTextType );
351 : }
352 :
353 :
354 :
355 0 : ::com::sun::star::accessibility::TextSegment VCLXAccessibleTextComponent::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception)
356 : {
357 0 : OExternalLockGuard aGuard( this );
358 :
359 0 : return OCommonAccessibleText::getTextBeforeIndex( nIndex, aTextType );
360 : }
361 :
362 :
363 :
364 0 : ::com::sun::star::accessibility::TextSegment VCLXAccessibleTextComponent::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception)
365 : {
366 0 : OExternalLockGuard aGuard( this );
367 :
368 0 : return OCommonAccessibleText::getTextBehindIndex( nIndex, aTextType );
369 : }
370 :
371 :
372 :
373 0 : sal_Bool VCLXAccessibleTextComponent::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
374 : {
375 0 : OExternalLockGuard aGuard( this );
376 :
377 0 : sal_Bool bReturn = sal_False;
378 :
379 0 : if ( GetWindow() )
380 : {
381 0 : Reference< datatransfer::clipboard::XClipboard > xClipboard = GetWindow()->GetClipboard();
382 0 : if ( xClipboard.is() )
383 : {
384 0 : OUString sText( getTextRange( nStartIndex, nEndIndex ) );
385 :
386 0 : ::vcl::unohelper::TextDataObject* pDataObj = new ::vcl::unohelper::TextDataObject( sText );
387 0 : const sal_uInt32 nRef = Application::ReleaseSolarMutex();
388 0 : xClipboard->setContents( pDataObj, NULL );
389 :
390 0 : Reference< datatransfer::clipboard::XFlushableClipboard > xFlushableClipboard( xClipboard, uno::UNO_QUERY );
391 0 : if( xFlushableClipboard.is() )
392 0 : xFlushableClipboard->flushClipboard();
393 :
394 0 : Application::AcquireSolarMutex( nRef );
395 :
396 0 : bReturn = sal_True;
397 0 : }
398 : }
399 :
400 0 : return bReturn;
401 : }
402 :
403 :
404 :
405 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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