1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2017 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QWINDOWSUIATEXTRANGEPROVIDER_H 41 #define QWINDOWSUIATEXTRANGEPROVIDER_H 42 43 #include <QtGui/qtguiglobal.h> 44 #if QT_CONFIG(accessibility) 45 46 #include "qwindowsuiabaseprovider.h" 47 48 QT_BEGIN_NAMESPACE 49 50 // Implements the Text Range control pattern provider. Used for text controls. 51 class QWindowsUiaTextRangeProvider : public QWindowsUiaBaseProvider, 52 public QWindowsComBase<ITextRangeProvider> 53 { 54 Q_DISABLE_COPY_MOVE(QWindowsUiaTextRangeProvider) 55 public: 56 explicit QWindowsUiaTextRangeProvider(QAccessible::Id id, int startOffset, int endOffset); 57 virtual ~QWindowsUiaTextRangeProvider(); 58 59 // ITextRangeProvider 60 HRESULT STDMETHODCALLTYPE AddToSelection() override; 61 HRESULT STDMETHODCALLTYPE Clone(ITextRangeProvider **pRetVal) override; 62 HRESULT STDMETHODCALLTYPE Compare(ITextRangeProvider *range, BOOL *pRetVal) override; 63 HRESULT STDMETHODCALLTYPE CompareEndpoints(TextPatternRangeEndpoint endpoint, ITextRangeProvider *targetRange, TextPatternRangeEndpoint targetEndpoint, int *pRetVal) override; 64 HRESULT STDMETHODCALLTYPE ExpandToEnclosingUnit(TextUnit unit) override; 65 HRESULT STDMETHODCALLTYPE FindAttribute(TEXTATTRIBUTEID attributeId, VARIANT val, BOOL backward, ITextRangeProvider **pRetVal) override; 66 HRESULT STDMETHODCALLTYPE FindText(BSTR text, BOOL backward, BOOL ignoreCase, ITextRangeProvider **pRetVal) override; 67 HRESULT STDMETHODCALLTYPE GetAttributeValue(TEXTATTRIBUTEID attributeId, VARIANT *pRetVal) override; 68 HRESULT STDMETHODCALLTYPE GetBoundingRectangles(SAFEARRAY **pRetVal) override; 69 HRESULT STDMETHODCALLTYPE GetChildren(SAFEARRAY **pRetVal) override; 70 HRESULT STDMETHODCALLTYPE GetEnclosingElement(IRawElementProviderSimple **pRetVal) override; 71 HRESULT STDMETHODCALLTYPE GetText(int maxLength, BSTR *pRetVal) override; 72 HRESULT STDMETHODCALLTYPE Move(TextUnit unit, int count, int *pRetVal) override; 73 HRESULT STDMETHODCALLTYPE MoveEndpointByRange(TextPatternRangeEndpoint endpoint, ITextRangeProvider *targetRange, TextPatternRangeEndpoint targetEndpoint) override; 74 HRESULT STDMETHODCALLTYPE MoveEndpointByUnit(TextPatternRangeEndpoint endpoint, TextUnit unit, int count, int *pRetVal) override; 75 HRESULT STDMETHODCALLTYPE RemoveFromSelection() override; 76 HRESULT STDMETHODCALLTYPE ScrollIntoView(BOOL alignToTop) override; 77 HRESULT STDMETHODCALLTYPE Select() override; 78 79 private: 80 HRESULT unselect(); 81 int m_startOffset; 82 int m_endOffset; 83 }; 84 85 QT_END_NAMESPACE 86 87 #endif // QT_CONFIG(accessibility) 88 89 #endif // QWINDOWSUIATEXTRANGEPROVIDER_H 90