AccText.h

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/* -*- 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 .
 */
 
#pragma once
 
#include "Resource.h"       // main symbols
 
#include "AccTextBase.h"
 
class ATL_NO_VTABLE CAccText :
            public CComObjectRoot,
            public CComCoClass<CAccText,&CLSID_AccText>,
            public IAccessibleText,
            public CAccTextBase
{
public:
    CAccText()
    {
            }
 
    BEGIN_COM_MAP(CAccText)
    COM_INTERFACE_ENTRY(IAccessibleText)
    COM_INTERFACE_ENTRY(IUNOXWrapper)
    COM_INTERFACE_ENTRY_FUNC_BLIND(0,SmartQI_)
#if defined __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Winconsistent-missing-override"
#endif
    END_COM_MAP()
#if defined __clang__
#pragma clang diagnostic pop
#endif
 
    static HRESULT WINAPI SmartQI_(void* pv,
                                   REFIID iid, void** ppvObject, DWORD_PTR)
    {
        return static_cast<CAccText*>(pv)->SmartQI(iid,ppvObject);
    }
 
    HRESULT SmartQI(REFIID iid, void** ppvObject)
    {
        if( m_pOuterUnknown )
            return OuterQueryInterface(iid,ppvObject);
        return E_FAIL;
    }
 
    DECLARE_NO_REGISTRY()
 
public:
    // IAccessibleText
 
    // Adds a text selection.
    STDMETHOD(addSelection)(long startOffset, long endOffset) override;//, unsigned char * success);
 
    // Gets text attributes.
    STDMETHOD(get_attributes)(long offset, long * startOffset, long * endOffset, BSTR * textAttributes) override;
 
    // Gets caret offset.
    STDMETHOD(get_caretOffset)(long * offset) override;
 
    // Gets bounding rect containing the glyph(s) representing the character
    // at the specified text offset
    STDMETHOD(get_characterExtents)(long offset, IA2CoordinateType coordType, long * x, long * y, long * width, long * height) override;
 
    // Gets number of active non-contiguous selections.
    STDMETHOD(get_nSelections)(long * nSelections) override;
 
    // Gets bounding rect for the glyph at a certain point.
    STDMETHOD(get_offsetAtPoint)(long x, long y, IA2CoordinateType coordType, long * offset) override;
 
    // Gets character offsets of N-th active text selection.
    STDMETHOD(get_selection)(long selection, long * startOffset, long * endOffset) override;
 
    // Gets a range of text by offset NOTE: returned string may be longer
    // than endOffset-startOffset bytes if text contains multi-byte characters.
    STDMETHOD(get_text)(long startOffset, long endOffset, BSTR * text) override;
 
    // Gets a specified amount of text that ends before a specified offset.
    STDMETHOD(get_textBeforeOffset)(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text) override;
 
    // Gets a specified amount of text that spans the specified offset.
    STDMETHOD(get_textAfterOffset)(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text) override;
 
    // Gets a specified amount of text that starts after a specified offset.
    STDMETHOD(get_textAtOffset)(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text) override;
 
    // Unselects a range of text.
    STDMETHOD(removeSelection)(long selectionIndex) override;//, unsigned char * success);
 
    // Moves text caret.
    STDMETHOD(setCaretOffset)(long offset) override;//, unsigned char * success);
 
    // Changes the bounds of an existing selection.
    STDMETHOD(setSelection)(long selectionIndex, long startOffset, long endOffset) override;//, unsigned char * success);
 
    // Gets total number of characters.
    // NOTE: this may be different than the total number of bytes required
    // to store the text, if the text contains multi-byte characters.
    STDMETHOD(get_nCharacters)(long * nCharacters) override;
 
    // Makes specific part of string visible on screen.
    STDMETHOD(scrollSubstringTo)(long startIndex, long endIndex,enum IA2ScrollType scrollType) override;
    STDMETHOD(scrollSubstringToPoint)(long startIndex, long endIndex,enum IA2CoordinateType coordinateType, long x, long y ) override;
 
    STDMETHOD(get_newText)( IA2TextSegment *newText) override;
 
    STDMETHOD(get_oldText)( IA2TextSegment *oldText) override;
};
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */