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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /winaccessibility/source/UAccCOM/AccTextBase.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'winaccessibility/source/UAccCOM/AccTextBase.cxx')
-rw-r--r--winaccessibility/source/UAccCOM/AccTextBase.cxx911
1 files changed, 911 insertions, 0 deletions
diff --git a/winaccessibility/source/UAccCOM/AccTextBase.cxx b/winaccessibility/source/UAccCOM/AccTextBase.cxx
new file mode 100644
index 000000000..a1f371a47
--- /dev/null
+++ b/winaccessibility/source/UAccCOM/AccTextBase.cxx
@@ -0,0 +1,911 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+// AccTextBase.cpp: implementation of the CAccTextBase class.
+
+#include "stdafx.h"
+
+#include "AccTextBase.h"
+
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <vcl/svapp.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+#include <com/sun/star/accessibility/AccessibleScrollType.hpp>
+#include <com/sun/star/accessibility/AccessibleTextType.hpp>
+#include <com/sun/star/accessibility/XAccessible.hpp>
+#include <com/sun/star/accessibility/XAccessibleContext.hpp>
+#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
+#include <com/sun/star/accessibility/XAccessibleTextSelection.hpp>
+#include "MAccessible.h"
+
+using namespace css::accessibility;
+using namespace css::uno;
+
+namespace
+{
+sal_Int16 lcl_matchIA2TextBoundaryType(IA2TextBoundaryType boundaryType)
+{
+ switch (boundaryType)
+ {
+ case IA2_TEXT_BOUNDARY_CHAR:
+ return com::sun::star::accessibility::AccessibleTextType::CHARACTER;
+ case IA2_TEXT_BOUNDARY_WORD:
+ return com::sun::star::accessibility::AccessibleTextType::WORD;
+ case IA2_TEXT_BOUNDARY_SENTENCE:
+ return com::sun::star::accessibility::AccessibleTextType::SENTENCE;
+ case IA2_TEXT_BOUNDARY_PARAGRAPH:
+ return com::sun::star::accessibility::AccessibleTextType::PARAGRAPH;
+ case IA2_TEXT_BOUNDARY_LINE:
+ return com::sun::star::accessibility::AccessibleTextType::LINE;
+ case IA2_TEXT_BOUNDARY_ALL:
+ // assert here, better handle it directly at call site
+ assert(false
+ && "No match for IA2_TEXT_BOUNDARY_ALL, handle at call site.");
+ break;
+ default:
+ break;
+ }
+
+ SAL_WARN("iacc2", "Unmatched text boundary type: " << boundaryType);
+ return -1;
+}
+}
+
+
+// Construction/Destruction
+
+
+static OUString ReplaceFourChar(OUString const & oldOUString);
+
+CAccTextBase::CAccTextBase()
+{}
+
+CAccTextBase::~CAccTextBase()
+{}
+
+
+/**
+ * Get special selection.
+ * @param startOffset Start selection offset.
+ * @param endOffset End selection offset.
+ * @param success Variant to accept the result of if the method call is successful.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_addSelection(long startOffset, long endOffset)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ // #CHECK XInterface#
+ if(pUNOInterface == nullptr)
+ return E_FAIL;
+
+ Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
+
+ Reference< XAccessibleTextSelection > pRExtension(pRContext,UNO_QUERY);
+
+ if( pRExtension.is() )
+ {
+ pRExtension->addSelection(0, startOffset, endOffset);
+ return S_OK;
+ }
+ else
+ {
+ GetXInterface()->setSelection(startOffset, endOffset);
+ return S_OK;
+ }
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get special attributes.
+ * @param offset Offset.
+ * @param startOffset Variant to accept start offset.
+ * @param endOffset Variant to accept end offset.
+ * @param textAttributes Variant to accept attributes.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_attributes(long offset, long * startOffset, long * endOffset, BSTR * textAttributes)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (startOffset == nullptr || endOffset == nullptr || textAttributes == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ {
+ return E_FAIL;
+ }
+
+ if( offset < 0 || offset > GetXInterface()->getCharacterCount() )
+ return E_FAIL;
+
+ OUStringBuffer strAttrs("Version:1;");
+
+ Sequence< css::beans::PropertyValue > pValues = GetXInterface()->getCharacterAttributes(offset, Sequence< OUString >());
+ int nCount = pValues.getLength();
+
+ sal_Int16 numberingLevel = 0;
+ OUString numberingPrefix;
+ Any anyNumRule;
+ bool bHaveNumberingPrefixAttr = false;
+ bool bHaveNumberingLevel = false;
+ bool bHaveNumberingRules = false;
+ for(int i =0; i<nCount; i++)
+ {
+
+ const css::beans::PropertyValue &pValue = pValues[i];
+ if(pValue.Name == "NumberingLevel")
+ {
+ if (pValue.Value != Any())
+ pValue.Value >>= numberingLevel;
+ else
+ numberingLevel = -1;
+ bHaveNumberingLevel = true;
+ continue;
+ }
+ if(pValue.Name == "NumberingPrefix")
+ {
+ pValue.Value >>=numberingPrefix;
+ bHaveNumberingPrefixAttr = true;
+ continue;
+ }
+ if(pValue.Name == "NumberingRules")
+ {
+ bHaveNumberingRules = true;
+ anyNumRule = pValue.Value;
+ continue;
+ }
+ if (bHaveNumberingLevel && bHaveNumberingRules && bHaveNumberingPrefixAttr)
+ {
+ strAttrs.append(';');
+ numberingPrefix = ReplaceFourChar(numberingPrefix);
+ strAttrs.append(CMAccessible::get_String4Numbering(anyNumRule,numberingLevel,numberingPrefix));
+ bHaveNumberingLevel = false;
+ bHaveNumberingRules = false;
+ }
+ if( (bHaveNumberingPrefixAttr && i > 1 ) ||
+ (!bHaveNumberingPrefixAttr && i > 0 ) ) //element 0 is NumberingPrefix, not write alone
+ {
+ strAttrs.append(';');
+ }
+ strAttrs.append(pValue.Name);
+ strAttrs.append(':');
+
+ if (pValue.Name == "CharBackColor" ||
+ pValue.Name == "CharColor" ||
+ pValue.Name == "CharUnderlineColor" )
+ {
+ unsigned long nColor;
+ pValue.Value >>= nColor;
+ strAttrs.append('#');
+ OUString const hex = OUString::number(nColor, 16).toAsciiUpperCase();
+ for (sal_Int32 j = hex.getLength(); j < 8; ++j) {
+ strAttrs.append('0');
+ }
+ strAttrs.append(hex);
+ }
+ else
+ {
+ strAttrs.append(CMAccessible::get_StringFromAny(pValue.Value));
+ }
+ }
+ strAttrs.append(';');
+ // #CHECK#
+ if(*textAttributes)
+ SysFreeString(*textAttributes);
+ *textAttributes = SysAllocString(o3tl::toW(strAttrs.makeStringAndClear().getStr()));
+
+ if( offset < GetXInterface()->getCharacterCount() )
+ {
+ TextSegment textSeg = GetXInterface()->getTextAtIndex(offset, AccessibleTextType::ATTRIBUTE_RUN);
+ *startOffset = textSeg.SegmentStart;
+ *endOffset = textSeg.SegmentEnd;
+ }
+ else
+ {
+ *startOffset = offset;
+ *endOffset = offset;
+ }
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get caret position.
+ * @param offset Variant to accept caret offset.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_caretOffset(long * offset)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (offset == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ {
+ *offset = 0;
+ return S_OK;
+ }
+
+ *offset = GetXInterface()->getCaretPosition();
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get character count.
+ * @param nCharacters Variant to accept character count.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_characterCount(long * nCharacters)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (nCharacters == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ {
+ *nCharacters = 0;
+ return S_OK;
+ }
+
+ *nCharacters = GetXInterface()->getCharacterCount();
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get character extents.
+ * @param offset Offset.
+ * @param x Variant to accept x position.
+ * @param y Variant to accept y position.
+ * @param width Variant to accept width.
+ * @param Height Variant to accept height.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_characterExtents(long offset, IA2CoordinateType coordType, long * x, long * y, long * width, long * height)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (x == nullptr || height == nullptr || y == nullptr || width == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ if(offset < 0 || offset > GetXInterface()->getCharacterCount() )
+ return E_FAIL;
+
+ css::awt::Rectangle rectangle;
+ rectangle = GetXInterface()->getCharacterBounds(offset);
+
+ //IA2Point aPoint;
+ css::awt::Point aPoint;
+
+ Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
+ if( !pRContext.is() )
+ {
+ return E_FAIL;
+ }
+ Reference<XAccessibleComponent> pRComp(pRContext,UNO_QUERY);
+ if( pRComp.is() )
+ {
+ if(coordType == IA2_COORDTYPE_SCREEN_RELATIVE)
+ {
+ css::awt::Point pt = pRComp->getLocationOnScreen();
+ aPoint.X = pt.X;
+ aPoint.Y = pt.Y;
+ }
+ else if(coordType == IA2_COORDTYPE_PARENT_RELATIVE)
+ {
+ css::awt::Point pt = pRComp->getLocation();
+ aPoint.X = pt.X;
+ aPoint.Y = pt.Y;
+ }
+ }
+ rectangle.X = rectangle.X + aPoint.X;
+ rectangle.Y = rectangle.Y + aPoint.Y;
+
+ *x = rectangle.X;
+ *y = rectangle.Y;
+
+ // GetXInterface()->getCharacterBounds() have different implement in different acc component
+ // But we need return the width/height == 1 for every component when offset == text length.
+ // So we ignore the return result of GetXInterface()->getCharacterBounds() when offset == text length.
+ if( offset == GetXInterface()->getCharacterCount() )
+ {
+ *width = 1;
+ *height = 1;
+ }
+ else
+ {
+ *width = rectangle.Width;
+ *height = rectangle.Height;
+ }
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get selections count.
+ * @param nSelections Variant to accept selections count.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_nSelections(long * nSelections)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (nSelections == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(pUNOInterface == nullptr)
+ {
+ *nSelections = 0;
+ return S_OK;
+ }
+
+ Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
+
+ Reference< XAccessibleTextSelection > pRExtension(pRContext,UNO_QUERY);
+
+ if( pRExtension.is() )
+ {
+ *nSelections = pRExtension->getSelectedPortionCount();
+ return S_OK;
+ }
+
+ long iLength = GetXInterface()->getSelectedText().getLength();
+ if( iLength> 0)
+ {
+ *nSelections = 1;
+ return S_OK;
+ }
+
+ *nSelections = 0;
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get offset of some special point.
+ * @param x X position of one point.
+ * @param x Y position of one point.
+ * @param coordType Type.
+ * @param offset Variant to accept offset.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_offsetAtPoint(long x, long y, IA2CoordinateType, long * offset)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (offset == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ css::awt::Point point;
+ point.X = x;
+ point.Y = y;
+ *offset = GetXInterface()->getIndexAtPoint(point);
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get selection range.
+ * @param selection selection count.
+ * @param startOffset Variant to accept the start offset of special selection.
+ * @param endOffset Variant to accept the end offset of special selection.
+ * @return Result.
+*/
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_selection(long selectionIndex, long * startOffset, long * endOffset)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (startOffset == nullptr || endOffset == nullptr )
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(pUNOInterface == nullptr )
+ return E_FAIL;
+
+ long nSelection = 0;
+ get_nSelections(&nSelection);
+
+ if(selectionIndex >= nSelection || selectionIndex < 0 )
+ return E_FAIL;
+
+ Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
+
+ Reference< XAccessibleTextSelection > pRExtension(pRContext,UNO_QUERY);
+
+ if( pRExtension.is() )
+ {
+ *startOffset = pRExtension->getSeletedPositionStart(selectionIndex);
+ *endOffset = pRExtension->getSeletedPositionEnd(selectionIndex);
+ return S_OK;
+ }
+ else if(GetXInterface()->getSelectionEnd() > -1)
+ {
+ *startOffset = GetXInterface()->getSelectionStart();
+ *endOffset = GetXInterface()->getSelectionEnd();
+ return S_OK;
+ }
+
+ *startOffset = 0;
+ *endOffset = 0;
+ return E_FAIL;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get special text.
+ * @param startOffset Start position of special range.
+ * @param endOffset End position of special range.
+ * @param text Variant to accept the text of special range.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_text(long startOffset, long endOffset, BSTR * text)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (text == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ if (endOffset < -1 || endOffset < startOffset )
+ {
+ return E_FAIL;
+ }
+
+ OUString ouStr;
+ if (endOffset == -1 )
+ {
+ long nLen=0;
+ if(SUCCEEDED(get_characterCount(&nLen)))
+ {
+ ouStr = GetXInterface()->getTextRange( 0, nLen );
+ }
+ }
+ else
+ {
+ ouStr = GetXInterface()->getTextRange( startOffset, endOffset );
+ }
+
+ SysFreeString(*text);
+ *text = SysAllocString(o3tl::toW(ouStr.getStr()));
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get special text before some position.
+ * @param offset Special position.
+ * @param boundaryType Boundary type.
+ * @param startOffset Variant to accept the start offset.
+ * @param endOffset Variant to accept the end offset.
+ * @param text Variant to accept the special text.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_textBeforeOffset(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ // #CHECK#
+ if (startOffset == nullptr || endOffset == nullptr || text == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ if (boundaryType == IA2_TEXT_BOUNDARY_ALL)
+ {
+ long nChar;
+ get_nCharacters( &nChar );
+ *startOffset = 0;
+ *endOffset = nChar;
+ return get_text(0, nChar, text);
+ }
+
+ const sal_Int16 nUnoBoundaryType = lcl_matchIA2TextBoundaryType(boundaryType);
+ if (nUnoBoundaryType < 0)
+ return E_FAIL;
+
+ TextSegment segment = GetXInterface()->getTextBeforeIndex(offset, nUnoBoundaryType);
+ OUString ouStr = segment.SegmentText;
+ SysFreeString(*text);
+ *text = SysAllocString(o3tl::toW(ouStr.getStr()));
+ *startOffset = segment.SegmentStart;
+ *endOffset = segment.SegmentEnd;
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get special text after some position.
+ * @param offset Special position.
+ * @param boundaryType Boundary type.
+ * @param startOffset Variant to accept the start offset.
+ * @param endOffset Variant to accept the end offset.
+ * @param text Variant to accept the special text.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_textAfterOffset(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (startOffset == nullptr || endOffset == nullptr || text == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ if (boundaryType == IA2_TEXT_BOUNDARY_ALL)
+ {
+ long nChar;
+ get_nCharacters( &nChar );
+ *startOffset = 0;
+ *endOffset = nChar;
+ return get_text(0, nChar, text);
+ }
+
+ const sal_Int16 nUnoBoundaryType = lcl_matchIA2TextBoundaryType(boundaryType);
+ if (nUnoBoundaryType < 0)
+ return E_FAIL;
+
+ TextSegment segment = GetXInterface()->getTextBehindIndex(offset, nUnoBoundaryType);
+ OUString ouStr = segment.SegmentText;
+ SysFreeString(*text);
+ *text = SysAllocString(o3tl::toW(ouStr.getStr()));
+ *startOffset = segment.SegmentStart;
+ *endOffset = segment.SegmentEnd;
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get special text at some position.
+ * @param offset Special position.
+ * @param boundaryType Boundary type.
+ * @param startOffset Variant to accept the start offset.
+ * @param endOffset Variant to accept the end offset.
+ * @param text Variant to accept the special text.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_textAtOffset(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (startOffset == nullptr || text == nullptr ||endOffset == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ if (boundaryType == IA2_TEXT_BOUNDARY_ALL)
+ {
+ long nChar;
+ get_nCharacters( &nChar );
+ *startOffset = 0;
+ *endOffset = nChar;
+ return get_text(0, nChar, text);
+ }
+
+ const sal_Int16 nUnoBoundaryType = lcl_matchIA2TextBoundaryType(boundaryType);
+ if (nUnoBoundaryType < 0)
+ return E_FAIL;
+
+ TextSegment segment = GetXInterface()->getTextAtIndex(offset, nUnoBoundaryType);
+ OUString ouStr = segment.SegmentText;
+ SysFreeString(*text);
+ *text = SysAllocString(o3tl::toW(ouStr.getStr()));
+ *startOffset = segment.SegmentStart;
+ *endOffset = segment.SegmentEnd;
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Remove selection.
+ * @param selectionIndex Special selection index
+ * @param success Variant to accept the method called result.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::removeSelection(long selectionIndex)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ // #CHECK XInterface#
+ if(pUNOInterface == nullptr)
+ {
+ return E_FAIL;
+ }
+
+ Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
+
+ Reference< XAccessibleTextSelection > pRExtension(pRContext,UNO_QUERY);
+
+ if( pRExtension.is() )
+ {
+ pRExtension->removeSelection(selectionIndex);
+ return S_OK;
+ }
+ else
+ {
+ GetXInterface()->setSelection(0, 0);
+ return S_OK;
+ }
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Set caret position.
+ * @param offset Special position.
+ * @param success Variant to accept the method called result.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::setCaretOffset(long offset)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ GetXInterface()->setCaretPosition( offset);
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Set special selection.
+ * @param selectionIndex Special selection index.
+ * @param startOffset start position.
+ * @param endOffset end position.
+ * @param success Variant to accept the method called result.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::setSelection(long, long startOffset, long endOffset)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ {
+ return E_FAIL;
+ }
+
+ GetXInterface()->setSelection( startOffset, endOffset );
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Get characters count.
+ * @param nCharacters Variant to accept the characters count.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_nCharacters(long * nCharacters)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ if (nCharacters == nullptr)
+ return E_INVALIDARG;
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ {
+ *nCharacters = 0;
+ return S_OK;
+ }
+
+ *nCharacters = GetXInterface()->getCharacterCount();
+
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+// added by qiuhd, 2006/07/03, for direver 07/11
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_newText( IA2TextSegment *)
+{
+ return E_NOTIMPL;
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::get_oldText( IA2TextSegment *)
+{
+ return E_NOTIMPL;
+}
+
+/**
+ * Scroll to special sub-string .
+ * @param startIndex Start index of sub string.
+ * @param endIndex End index of sub string.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::scrollSubstringToPoint(long, long, IA2CoordinateType, long, long )
+{
+ return E_NOTIMPL;
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::scrollSubstringTo(long startIndex, long endIndex, IA2ScrollType type)
+{
+ SolarMutexGuard g;
+
+ try {
+
+ // #CHECK XInterface#
+ if(!pRXText.is())
+ return E_FAIL;
+
+ AccessibleScrollType lUnoType;
+
+ switch(type)
+ {
+ case IA2_SCROLL_TYPE_TOP_LEFT:
+ lUnoType = AccessibleScrollType_SCROLL_TOP_LEFT;
+ break;
+ case IA2_SCROLL_TYPE_BOTTOM_RIGHT:
+ lUnoType = AccessibleScrollType_SCROLL_BOTTOM_RIGHT;
+ break;
+ case IA2_SCROLL_TYPE_TOP_EDGE:
+ lUnoType = AccessibleScrollType_SCROLL_TOP_EDGE;
+ break;
+ case IA2_SCROLL_TYPE_BOTTOM_EDGE:
+ lUnoType = AccessibleScrollType_SCROLL_BOTTOM_EDGE;
+ break;
+ case IA2_SCROLL_TYPE_LEFT_EDGE:
+ lUnoType = AccessibleScrollType_SCROLL_LEFT_EDGE;
+ break;
+ case IA2_SCROLL_TYPE_RIGHT_EDGE:
+ lUnoType = AccessibleScrollType_SCROLL_RIGHT_EDGE;
+ break;
+ case IA2_SCROLL_TYPE_ANYWHERE:
+ lUnoType = AccessibleScrollType_SCROLL_ANYWHERE;
+ break;
+ default:
+ return E_NOTIMPL;
+ }
+
+ if( GetXInterface()->scrollSubstringTo(startIndex, endIndex, lUnoType) )
+ return S_OK;
+
+ return E_NOTIMPL;
+
+ } catch(...) { return E_FAIL; }
+}
+
+/**
+ * Put UNO interface.
+ * @param pXInterface UNO interface.
+ * @return Result.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTextBase::put_XInterface(hyper pXInterface)
+{
+ // internal IUNOXWrapper - no mutex meeded
+
+ try {
+
+ CUNOXWrapper::put_XInterface(pXInterface);
+ //special query.
+ if(pUNOInterface == nullptr)
+ return E_FAIL;
+ Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
+ if( !pRContext.is() )
+ {
+ return E_FAIL;
+ }
+ Reference<XAccessibleText> pRXI(pRContext,UNO_QUERY);
+ if( !pRXI.is() )
+ pRXText = nullptr;
+ else
+ pRXText = pRXI;
+ return S_OK;
+
+ } catch(...) { return E_FAIL; }
+}
+
+static OUString ReplaceOneChar(OUString const & oldOUString, sal_Unicode replacedChar, std::u16string_view replaceStr)
+{
+ auto s = oldOUString;
+ int iReplace = s.lastIndexOf(replacedChar);
+ if (iReplace > -1)
+ {
+ for(;iReplace>-1;)
+ {
+ s = s.replaceAt(iReplace,1, replaceStr);
+ iReplace=s.lastIndexOf(replacedChar,iReplace);
+ }
+ }
+ return s;
+}
+
+static OUString ReplaceFourChar(OUString const & oldOUString)
+{
+ auto s = oldOUString;
+ s = ReplaceOneChar(s, '\\', u"\\\\");
+ s = ReplaceOneChar(s, ';', u"\\;");
+ s = ReplaceOneChar(s, '=', u"\\=");
+ s = ReplaceOneChar(s, ',', u"\\,");
+ s = ReplaceOneChar(s, ':', u"\\:");
+ return s;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */