winaccessibility/source/UAccCOM/AccText.h

   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 #pragma once
  21
  22 #include "Resource.h"       // main symbols
  23
  24 #include "AccTextBase.h"
  25
  26 /**
  27  * CAccText implements IAccessibleText interface.
  28  */
  29 class ATL_NO_VTABLE CAccText :
  30             public CComObjectRoot,
  31             public CComCoClass<CAccText,&CLSID_AccText>,
  32             public IAccessibleText,
  33             public CAccTextBase
  34 {
  35 public:
  36     CAccText()
  37     {
  38             }
  39
  40     BEGIN_COM_MAP(CAccText)
  41     COM_INTERFACE_ENTRY(IAccessibleText)
  42     COM_INTERFACE_ENTRY(IUNOXWrapper)
  43     COM_INTERFACE_ENTRY_FUNC_BLIND(0,SmartQI_)
  44 #if defined __clang__
  45 #pragma clang diagnostic push
  46 #pragma clang diagnostic ignored "-Winconsistent-missing-override"
  47 #endif
  48     END_COM_MAP()
  49 #if defined __clang__
  50 #pragma clang diagnostic pop
  51 #endif
  52
  53     static HRESULT WINAPI SmartQI_(void* pv,
  54                                    REFIID iid, void** ppvObject, DWORD_PTR)
  55     {
  56         return static_cast<CAccText*>(pv)->SmartQI(iid,ppvObject);
  57     }
  58
  59     HRESULT SmartQI(REFIID iid, void** ppvObject)
  60     {
  61         if( m_pOuterUnknown )
  62             return OuterQueryInterface(iid,ppvObject);
  63         return E_FAIL;
  64     }
  65
  66     DECLARE_NO_REGISTRY()
  67
  68 public:
  69     // IAccessibleText
  70
  71     // Adds a text selection.
  72     STDMETHOD(addSelection)(long startOffset, long endOffset) override;//, unsigned char * success);
  73
  74     // Gets text attributes.
  75     STDMETHOD(get_attributes)(long offset, long * startOffset, long * endOffset, BSTR * textAttributes) override;
  76
  77     // Gets caret offset.
  78     STDMETHOD(get_caretOffset)(long * offset) override;
  79
  80     // Gets bounding rect containing the glyph(s) representing the character
  81     // at the specified text offset
  82     STDMETHOD(get_characterExtents)(long offset, IA2CoordinateType coordType, long * x, long * y, long * width, long * height) override;
  83
  84     // Gets number of active non-contiguous selections.
  85     STDMETHOD(get_nSelections)(long * nSelections) override;
  86
  87     // Gets bounding rect for the glyph at a certain point.
  88     STDMETHOD(get_offsetAtPoint)(long x, long y, IA2CoordinateType coordType, long * offset) override;
  89
  90     // Gets character offsets of N-th active text selection.
  91     STDMETHOD(get_selection)(long selection, long * startOffset, long * endOffset) override;
  92
  93     // Gets a range of text by offset NOTE: returned string may be longer
  94     // than endOffset-startOffset bytes if text contains multi-byte characters.
  95     STDMETHOD(get_text)(long startOffset, long endOffset, BSTR * text) override;
  96
  97     // Gets a specified amount of text that ends before a specified offset.
  98     STDMETHOD(get_textBeforeOffset)(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text) override;
  99
 100     // Gets a specified amount of text that spans the specified offset.
 101     STDMETHOD(get_textAfterOffset)(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text) override;
 102
 103     // Gets a specified amount of text that starts after a specified offset.
 104     STDMETHOD(get_textAtOffset)(long offset, IA2TextBoundaryType boundaryType, long * startOffset, long * endOffset, BSTR * text) override;
 105
 106     // Unselects a range of text.
 107     STDMETHOD(removeSelection)(long selectionIndex) override;//, unsigned char * success);
 108
 109     // Moves text caret.
 110     STDMETHOD(setCaretOffset)(long offset) override;//, unsigned char * success);
 111
 112     // Changes the bounds of an existing selection.
 113     STDMETHOD(setSelection)(long selectionIndex, long startOffset, long endOffset) override;//, unsigned char * success);
 114
 115     // Gets total number of characters.
 116     // NOTE: this may be different than the total number of bytes required
 117     // to store the text, if the text contains multi-byte characters.
 118     STDMETHOD(get_nCharacters)(long * nCharacters) override;
 119
 120     // Makes specific part of string visible on screen.
 121     STDMETHOD(scrollSubstringTo)(long startIndex, long endIndex,enum IA2ScrollType scrollType) override;
 122     STDMETHOD(scrollSubstringToPoint)(long startIndex, long endIndex,enum IA2CoordinateType coordinateType, long x, long y ) override;
 123
 124     STDMETHOD(get_newText)( IA2TextSegment *newText) override;
 125
 126     STDMETHOD(get_oldText)( IA2TextSegment *oldText) override;
 127 };
 128
 129 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */