mirror of
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276 lines
15 KiB
C++
276 lines
15 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=2:tabstop=2:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _ACCESSIBLE_TEXT_H
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#define _ACCESSIBLE_TEXT_H
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#include "nsIAccessibleText.h"
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#include "AccessibleText.h"
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namespace mozilla {
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namespace a11y {
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class HyperTextAccessibleWrap;
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class ia2AccessibleText: public IAccessibleText
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{
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public:
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// IAccessibleText
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virtual HRESULT STDMETHODCALLTYPE addSelection(
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/* [in] */ long startOffset,
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/* [in] */ long endOffset);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_attributes(
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/* [in] */ long offset,
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/* [out] */ long *startOffset,
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/* [out] */ long *endOffset,
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/* [retval][out] */ BSTR *textAttributes);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_caretOffset(
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/* [retval][out] */ long *offset);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_characterExtents(
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/* [in] */ long offset,
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/* [in] */ enum IA2CoordinateType coordType,
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/* [out] */ long *x,
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/* [out] */ long *y,
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/* [out] */ long *width,
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/* [retval][out] */ long *height);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_nSelections(
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/* [retval][out] */ long *nSelections);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_offsetAtPoint(
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/* [in] */ long x,
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/* [in] */ long y,
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/* [in] */ enum IA2CoordinateType coordType,
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/* [retval][out] */ long *offset);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_selection(
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/* [in] */ long selectionIndex,
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/* [out] */ long *startOffset,
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/* [retval][out] */ long *endOffset);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_text(
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/* [in] */ long startOffset,
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/* [in] */ long endOffset,
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/* [retval][out] */ BSTR *text);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_textBeforeOffset(
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/* [in] */ long offset,
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/* [in] */ enum IA2TextBoundaryType boundaryType,
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/* [out] */ long *startOffset,
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/* [out] */ long *endOffset,
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/* [retval][out] */ BSTR *text);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_textAfterOffset(
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/* [in] */ long offset,
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/* [in] */ enum IA2TextBoundaryType boundaryType,
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/* [out] */ long *startOffset,
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/* [out] */ long *endOffset,
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/* [retval][out] */ BSTR *text);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_textAtOffset(
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/* [in] */ long offset,
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/* [in] */ enum IA2TextBoundaryType boundaryType,
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/* [out] */ long *startOffset,
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/* [out] */ long *endOffset,
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/* [retval][out] */ BSTR *text);
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virtual HRESULT STDMETHODCALLTYPE removeSelection(
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/* [in] */ long selectionIndex);
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virtual HRESULT STDMETHODCALLTYPE setCaretOffset(
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/* [in] */ long offset);
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virtual HRESULT STDMETHODCALLTYPE setSelection(
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/* [in] */ long selectionIndex,
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/* [in] */ long startOffset,
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/* [in] */ long endOffset);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_nCharacters(
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/* [retval][out] */ long *nCharacters);
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virtual HRESULT STDMETHODCALLTYPE scrollSubstringTo(
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/* [in] */ long startIndex,
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/* [in] */ long endIndex,
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/* [in] */ enum IA2ScrollType scrollType);
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virtual HRESULT STDMETHODCALLTYPE scrollSubstringToPoint(
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/* [in] */ long startIndex,
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/* [in] */ long endIndex,
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/* [in] */ enum IA2CoordinateType coordinateType,
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/* [in] */ long x,
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/* [in] */ long y);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_newText(
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/* [retval][out] */ IA2TextSegment *newText);
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virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_oldText(
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/* [retval][out] */ IA2TextSegment *oldText);
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static void InitTextChangeData();
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static void UpdateTextChangeData(HyperTextAccessibleWrap* aAcc, bool aInsert,
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const nsString& aStr, int32_t aStart,
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uint32_t aLen);
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protected:
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static StaticRefPtr<HyperTextAccessibleWrap> sLastTextChangeAcc;
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static StaticAutoPtr<nsString> sLastTextChangeString;
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static bool sLastTextChangeWasInsert;
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static uint32_t sLastTextChangeStart;
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static uint32_t sLastTextChangeEnd;
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private:
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HRESULT GetModifiedText(bool aGetInsertedText, IA2TextSegment *aNewText);
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AccessibleTextBoundary GetGeckoTextBoundary(enum IA2TextBoundaryType coordinateType);
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};
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} // namespace a11y
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} // namespace mozilla
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#define FORWARD_IACCESSIBLETEXT(Class) \
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virtual HRESULT STDMETHODCALLTYPE addSelection(long startOffset, \
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long endOffset) \
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{ \
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return Class::addSelection(startOffset, endOffset); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_attributes(long offset, \
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long *startOffset, \
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long *endOffset, \
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BSTR *textAttributes) \
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{ \
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return Class::get_attributes(offset, startOffset, endOffset, textAttributes);\
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_caretOffset(long *offset) \
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{ \
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return Class::get_caretOffset(offset); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_characterExtents(long offset, \
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enum IA2CoordinateType coordType,\
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long *x, \
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long *y, \
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long *width, \
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long *height) \
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{ \
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return Class::get_characterExtents(offset, coordType, x, y, width, height); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_nSelections(long *nSelections) \
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{ \
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return Class::get_nSelections(nSelections); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_offsetAtPoint(long x, \
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long y, \
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enum IA2CoordinateType coordType,\
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long *offset) \
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{ \
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return Class::get_offsetAtPoint(x, y, coordType, offset); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_selection(long selectionIndex, \
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long *startOffset, \
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long *endOffset) \
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{ \
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return Class::get_selection(selectionIndex, startOffset, endOffset); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_text(long startOffset, \
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long endOffset, \
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BSTR *text) \
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{ \
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return Class::get_text(startOffset, endOffset, text); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_textBeforeOffset(long offset, \
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enum IA2TextBoundaryType boundaryType,\
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long *startOffset, \
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long *endOffset, \
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BSTR *text) \
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{ \
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return Class::get_textBeforeOffset(offset, boundaryType, \
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startOffset, endOffset, text); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_textAfterOffset(long offset, \
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enum IA2TextBoundaryType boundaryType,\
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long *startOffset, \
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long *endOffset, \
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BSTR *text) \
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{ \
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return Class::get_textAfterOffset(offset, boundaryType, \
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startOffset, endOffset, text); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_textAtOffset(long offset, \
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enum IA2TextBoundaryType boundaryType,\
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long *startOffset, \
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long *endOffset, \
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BSTR *text) \
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{ \
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return Class::get_textAtOffset(offset, boundaryType, \
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startOffset, endOffset, text); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE removeSelection(long selectionIndex) \
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{ \
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return Class::removeSelection(selectionIndex); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE setCaretOffset(long offset) \
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{ \
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return Class::setCaretOffset(offset); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE setSelection(long selectionIndex, \
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long startOffset, \
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long endOffset) \
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{ \
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return Class::setSelection(selectionIndex, startOffset, endOffset); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_nCharacters(long *nCharacters) \
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{ \
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return Class::get_nCharacters(nCharacters); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE scrollSubstringTo(long startIndex, \
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long endIndex, \
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enum IA2ScrollType scrollType)\
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{ \
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return Class::scrollSubstringTo(startIndex, endIndex, scrollType); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE scrollSubstringToPoint(long startIndex, \
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long endIndex, \
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enum IA2CoordinateType coordinateType,\
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long x, \
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long y) \
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{ \
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return Class::scrollSubstringToPoint(startIndex, endIndex, \
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coordinateType, x, y); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_newText(IA2TextSegment *newText) \
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{ \
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return Class::get_newText(newText); \
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} \
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\
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virtual HRESULT STDMETHODCALLTYPE get_oldText(IA2TextSegment *oldText) \
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{ \
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return Class::get_oldText(oldText); \
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} \
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#endif
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