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 /**
21 * AccEditableText.cpp : Implementation of CUAccCOMApp and DLL registration.
22 */
23 #include "stdafx.h"
24 #include "AccEditableText.h"
25
26 #if defined __clang__
27 #pragma clang diagnostic push
28 #pragma clang diagnostic ignored "-Wnon-virtual-dtor"
29 #endif
30 #include <UAccCOM.h>
31 #if defined __clang__
32 #pragma clang diagnostic pop
33 #endif
34
35 #include <vcl/svapp.hxx>
36 #include <o3tl/char16_t2wchar_t.hxx>
37
38 #include <com/sun/star/accessibility/XAccessible.hpp>
39 #include <com/sun/star/accessibility/XAccessibleContext.hpp>
40 #include <com/sun/star/accessibility/XAccessibleText.hpp>
41 #include <com/sun/star/awt/FontSlant.hpp>
42 #include <com/sun/star/beans/PropertyValue.hpp>
43 #include <com/sun/star/style/LineSpacing.hpp>
44 #include <com/sun/star/style/TabStop.hpp>
45 #include <vector>
46
47 using namespace com::sun::star::accessibility;
48 using namespace com::sun::star::uno;
49 using namespace com::sun::star::awt;
50 using namespace com::sun::star::beans;
51 using namespace std;
52
53 /**
54 * Copy a range of text to the clipboard.
55 *
56 * @param startOffset the start offset of copying.
57 * @param endOffset the end offset of copying.
58 * @param success the boolean result to be returned.
59 */
copyText(long startOffset,long endOffset)60 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::copyText(long startOffset, long endOffset)
61 {
62 SolarMutexGuard g;
63
64 ENTER_PROTECTED_BLOCK
65
66 // #CHECK XInterface#
67 if(!pRXEdtTxt.is())
68 {
69 return E_FAIL;
70 }
71
72 if ( GetXInterface()->copyText( startOffset, endOffset ) )
73 return S_OK;
74
75 return E_FAIL;
76
77 LEAVE_PROTECTED_BLOCK
78 }
79
80 /**
81 * Deletes a range of text.
82 *
83 * @param startOffset the start offset of deleting.
84 * @param endOffset the end offset of deleting.
85 * @param success the boolean result to be returned.
86 */
deleteText(long startOffset,long endOffset)87 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::deleteText(long startOffset, long endOffset)
88 {
89 SolarMutexGuard g;
90
91 ENTER_PROTECTED_BLOCK
92
93 if( !pRXEdtTxt.is() )
94 return E_FAIL;
95
96 if( GetXInterface()->deleteText( startOffset, endOffset ) )
97 return S_OK;
98
99 return E_FAIL;
100
101 LEAVE_PROTECTED_BLOCK
102 }
103
104 /**
105 * Inserts text at a specified offset.
106 *
107 * @param offset the offset of inserting.
108 * @param text the text to be inserted.
109 * @param success the boolean result to be returned.
110 */
insertText(long offset,BSTR * text)111 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::insertText(long offset, BSTR * text)
112 {
113 SolarMutexGuard g;
114
115 ENTER_PROTECTED_BLOCK
116
117 if (text == nullptr)
118 return E_INVALIDARG;
119
120 if( !pRXEdtTxt.is() )
121 return E_FAIL;
122
123 OUString ouStr(o3tl::toU(*text));
124
125 if( GetXInterface()->insertText( ouStr, offset ) )
126 return S_OK;
127
128 return E_FAIL;
129
130 LEAVE_PROTECTED_BLOCK
131 }
132
133 /**
134 * Cuts a range of text to the clipboard.
135 *
136 * @param startOffset the start offset of cutting.
137 * @param endOffset the end offset of cutting.
138 * @param success the boolean result to be returned.
139 */
cutText(long startOffset,long endOffset)140 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::cutText(long startOffset, long endOffset)
141 {
142 SolarMutexGuard g;
143
144 ENTER_PROTECTED_BLOCK
145
146 if( !pRXEdtTxt.is() )
147 return E_FAIL;
148
149 if( GetXInterface()->cutText( startOffset, endOffset ) )
150 return S_OK;
151
152 return E_FAIL;
153
154 LEAVE_PROTECTED_BLOCK
155 }
156
157 /**
158 * Pastes text from clipboard at specified offset.
159 *
160 * @param offset the offset of pasting.
161 * @param success the boolean result to be returned.
162 */
pasteText(long offset)163 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::pasteText(long offset)
164 {
165 SolarMutexGuard g;
166
167 ENTER_PROTECTED_BLOCK
168
169 if( !pRXEdtTxt.is() )
170 return E_FAIL;
171
172 if( GetXInterface()->pasteText( offset ) )
173 return S_OK;
174
175 return E_FAIL;
176
177 LEAVE_PROTECTED_BLOCK
178 }
179
180 /**
181 * Replaces range of text with new text.
182 *
183 * @param startOffset the start offset of replacing.
184 * @param endOffset the end offset of replacing.
185 * @param text the replacing text.
186 * @param success the boolean result to be returned.
187 */
replaceText(long startOffset,long endOffset,BSTR * text)188 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::replaceText(long startOffset, long endOffset, BSTR * text)
189 {
190 SolarMutexGuard g;
191
192 ENTER_PROTECTED_BLOCK
193
194 // #CHECK#
195 if (text == nullptr)
196 return E_INVALIDARG;
197 if( !pRXEdtTxt.is() )
198 return E_FAIL;
199
200 OUString ouStr(o3tl::toU(*text));
201
202 if( GetXInterface()->replaceText( startOffset,endOffset, ouStr) )
203 return S_OK;
204 return E_FAIL;
205
206 LEAVE_PROTECTED_BLOCK
207 }
208
209 /**
210 * Sets attributes of range of text.
211 *
212 * @param startOffset the start offset.
213 * @param endOffset the end offset.
214 * @param attributes the attribute text.
215 * @param success the boolean result to be returned.
216 */
setAttributes(long startOffset,long endOffset,BSTR * attributes)217 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::setAttributes(long startOffset, long endOffset, BSTR * attributes)
218 {
219 SolarMutexGuard g;
220
221 ENTER_PROTECTED_BLOCK
222
223 // #CHECK#
224 if (attributes == nullptr)
225 return E_INVALIDARG;
226 if( !pRXEdtTxt.is() )
227 return E_FAIL;
228
229 OUString ouStr(o3tl::toU(*attributes));
230
231 vector< OUString > vecAttr;
232 for (sal_Int32 nIndex {0}; nIndex >= 0; )
233 vecAttr.push_back(ouStr.getToken(0, ';', nIndex));
234
235 Sequence< PropertyValue > beanSeq(vecAttr.size());
236 for(std::vector<OUString>::size_type i = 0; i < vecAttr.size(); i ++)
237 {
238 OUString attr = vecAttr[i];
239 sal_Int32 nPos = attr.indexOf(':');
240 if(nPos > -1)
241 {
242 OUString attrName = attr.copy(0, nPos);
243 OUString attrValue = attr.copy(nPos + 1);
244 beanSeq[i].Name = attrName;
245 get_AnyFromOLECHAR(attrName, attrValue, beanSeq[i].Value);
246 }
247 }
248
249 if( GetXInterface()->setAttributes( startOffset,endOffset, beanSeq) )
250 return S_OK;
251
252 return E_FAIL;
253
254 LEAVE_PROTECTED_BLOCK
255 }
256
257 /**
258 * Convert attributes string to Any type.
259 *
260 * @param ouName the string of attribute name.
261 * @param ouValue the string of attribute value.
262 * @param rAny the Any object to be returned.
263 */
get_AnyFromOLECHAR(std::u16string_view ouName,const OUString & ouValue,Any & rAny)264 void CAccEditableText::get_AnyFromOLECHAR(std::u16string_view ouName, const OUString &ouValue, Any &rAny)
265 {
266 if(ouName == u"CharBackColor" ||
267 ouName == u"CharColor" ||
268 ouName == u"ParaAdjust" ||
269 ouName == u"ParaFirstLineIndent" ||
270 ouName == u"ParaLeftMargin" ||
271 ouName == u"ParaRightMargin" ||
272 ouName == u"ParaTopMargin" ||
273 ouName == u"ParaBottomMargin" ||
274 ouName == u"CharFontPitch" )
275 {
276 // Convert to int.
277 // NOTE: CharFontPitch is not implemented in java file.
278 sal_Int32 nValue = ouValue.toInt32();
279 rAny.setValue(&nValue, cppu::UnoType<sal_Int32>::get());
280 }
281 else if(ouName == u"CharShadowed" ||
282 ouName == u"CharContoured" )
283 {
284 // Convert to boolean.
285 rAny <<= ouValue.toBoolean();
286 }
287 else if(ouName == u"CharEscapement" ||
288 ouName == u"CharStrikeout" ||
289 ouName == u"CharUnderline" ||
290 ouName == u"CharFontPitch" )
291 {
292 // Convert to short.
293 short nValue = static_cast<short>(ouValue.toInt32());
294 rAny.setValue(&nValue, cppu::UnoType<short>::get());
295 }
296 else if(ouName == u"CharHeight" ||
297 ouName == u"CharWeight" )
298 {
299 // Convert to float.
300 float fValue = ouValue.toFloat();
301 rAny.setValue(&fValue, cppu::UnoType<float>::get());
302 }
303 else if(ouName == u"CharFontName" )
304 {
305 // Convert to string.
306 rAny.setValue(&ouValue, cppu::UnoType<OUString>::get());
307 }
308 else if(ouName == u"CharPosture" )
309 {
310 // Convert to FontSlant.
311 css::awt::FontSlant fontSlant = static_cast<css::awt::FontSlant>(ouValue.toInt32());
312 rAny.setValue(&fontSlant, cppu::UnoType<css::awt::FontSlant>::get());
313 }
314 else if(ouName == u"ParaTabStops" )
315 {
316
317 // Convert to the Sequence with TabStop element.
318 vector< css::style::TabStop > vecTabStop;
319 css::style::TabStop tabStop;
320 OUString ouSubValue;
321 sal_Int32 pos = 0, posComma = 0;
322
323 do
324 {
325 // Position.
326 pos = ouValue.indexOf("Position=", pos);
327 if(pos != -1)
328 {
329 posComma = ouValue.indexOf(',', pos + 9); // 9 = length of "Position=".
330 if(posComma != -1)
331 {
332 ouSubValue = ouValue.copy(pos + 9, posComma - pos - 9);
333 tabStop.Position = ouSubValue.toInt32();
334 pos = posComma + 1;
335
336 // TabAlign.
337 pos = ouValue.indexOf("TabAlign=", pos);
338 if(pos != -1)
339 {
340 posComma = ouValue.indexOf(',', pos + 9); // 9 = length of "TabAlign=".
341 if(posComma != -1)
342 {
343 ouSubValue = ouValue.copy(pos + 9, posComma - pos - 9);
344 tabStop.Alignment = static_cast<css::style::TabAlign>(ouSubValue.toInt32());
345 pos = posComma + 1;
346
347 // DecimalChar.
348 pos = ouValue.indexOf("DecimalChar=", pos);
349 if(pos != -1)
350 {
351 posComma = ouValue.indexOf(',', pos + 11); // 11 = length of "TabAlign=".
352 if(posComma != -1)
353 {
354 ouSubValue = ouValue.copy(pos + 11, posComma - pos - 11);
355 tabStop.DecimalChar = ouSubValue.toChar();
356 pos = posComma + 1;
357
358 // FillChar.
359 pos = ouValue.indexOf("FillChar=", pos);
360 if(pos != -1)
361 {
362 posComma = ouValue.indexOf(',', pos + 9); // 9 = length of "TabAlign=".
363 if(posComma != -1)
364 {
365 ouSubValue = ouValue.copy(pos + 9, posComma - pos - 9);
366 tabStop.DecimalChar = ouSubValue.toChar();
367 pos = posComma + 1;
368
369 // Complete TabStop element.
370 vecTabStop.push_back(tabStop);
371 }
372 else
373 break; // No match comma.
374 }
375 else
376 break; // No match FillChar.
377 }
378 else
379 break; // No match comma.
380 }
381 else
382 break; // No match DecimalChar.
383 }
384 else
385 break; // No match comma.
386 }
387 else
388 break; // No match TabAlign.
389 }
390 else
391 break; // No match comma.
392 }
393 else
394 break; // No match Position.
395 }
396 while(pos < ouValue.getLength());
397
398
399 // Dump into Sequence.
400 int iSeqLen = (vecTabStop.size() == 0) ? 1 : vecTabStop.size();
401 Sequence< css::style::TabStop > seqTabStop(iSeqLen);
402
403 if(vecTabStop.size() != 0)
404 {
405 // Dump every element.
406 for(int i = 0; i < iSeqLen; i ++)
407 {
408 seqTabStop[i] = vecTabStop[i];
409 }
410 }
411 else
412 {
413 // Create default value.
414 seqTabStop[0].Position = 0;
415 seqTabStop[0].Alignment = css::style::TabAlign_DEFAULT;
416 seqTabStop[0].DecimalChar = '.';
417 seqTabStop[0].FillChar = ' ';
418 }
419
420 // Assign to Any object.
421 rAny.setValue(&seqTabStop, cppu::UnoType<Sequence< css::style::TabStop >>::get());
422 }
423 else if(ouName == u"ParaLineSpacing" )
424 {
425 // Parse value string.
426 css::style::LineSpacing lineSpacing;
427 OUString ouSubValue;
428 sal_Int32 pos = 0, posComma = 0;
429
430 pos = ouValue.indexOf("Mode=", pos);
431 if(pos != -1)
432 {
433 posComma = ouValue.indexOf(',', pos + 5); // 5 = length of "Mode=".
434 if(posComma != -1)
435 {
436 ouSubValue = ouValue.copy(pos + 5, posComma - pos - 5);
437 lineSpacing.Mode = static_cast<sal_Int16>(ouSubValue.toInt32());
438 pos = posComma + 1;
439
440 pos = ouValue.indexOf("Height=", pos);
441 if(pos != -1)
442 {
443 ouSubValue = ouValue.copy(pos + 7);
444 lineSpacing.Height = static_cast<sal_Int16>(ouSubValue.toInt32());
445 }
446 else
447 {
448 lineSpacing.Height = sal_Int16(100); // Default height.
449 }
450 }
451 else
452 {
453 lineSpacing.Height = sal_Int16(100); // Default height.
454 }
455 }
456 else
457 {
458 // Default Mode and Height.
459 lineSpacing.Mode = sal_Int16(0);
460 lineSpacing.Height = sal_Int16(100); // Default height.
461 }
462
463 // Convert to Any object.
464 rAny.setValue(&lineSpacing, cppu::UnoType<css::style::LineSpacing>::get());
465 }
466 else
467 {
468 // Do nothing.
469 sal_Int32 nDefault = 0;
470 rAny.setValue(&nDefault, cppu::UnoType<sal_Int32>::get());
471 }
472 }
473
474 /**
475 * Override of IUNOXWrapper.
476 *
477 * @param pXInterface the pointer of UNO interface.
478 */
put_XInterface(hyper pXInterface)479 COM_DECLSPEC_NOTHROW STDMETHODIMP CAccEditableText::put_XInterface(hyper pXInterface)
480 {
481 // internal IUNOXWrapper - no mutex meeded
482
483 ENTER_PROTECTED_BLOCK
484
485 CUNOXWrapper::put_XInterface(pXInterface);
486 //special query.
487 if(pUNOInterface == nullptr)
488 return E_FAIL;
489 Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
490 if( !pRContext.is() )
491 {
492 return E_FAIL;
493 }
494 Reference<XAccessibleEditableText> pRXI(pRContext,UNO_QUERY);
495 if( !pRXI.is() )
496 pRXEdtTxt = nullptr;
497 else
498 pRXEdtTxt = pRXI.get();
499 return S_OK;
500
501 LEAVE_PROTECTED_BLOCK
502 }
503
504 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
505