qwindowsuiatextprovider.h

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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QWINDOWSUIATEXTPROVIDER_H
#define QWINDOWSUIATEXTPROVIDER_H
 
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
 
#include "qwindowsuiabaseprovider.h"
#include "qwindowsuiatextrangeprovider.h"
 
QT_BEGIN_NAMESPACE
 
namespace QtPrivate {
 
template <>
struct QComObjectTraits<ITextProvider2>
{
    static constexpr bool isGuidOf(REFIID riid) noexcept
    {
        return QComObjectTraits<ITextProvider2, ITextProvider>::isGuidOf(riid);
    }
};
 
} // namespace QtPrivate
 
// Implements the Text control pattern provider. Used for text controls.
class QWindowsUiaTextProvider : public QWindowsUiaBaseProvider, public QComObject<ITextProvider2>
{
    Q_DISABLE_COPY_MOVE(QWindowsUiaTextProvider)
public:
    explicit QWindowsUiaTextProvider(QAccessible::Id id);
    ~QWindowsUiaTextProvider();
 
    // ITextProvider
    HRESULT STDMETHODCALLTYPE GetSelection(SAFEARRAY **pRetVal) override;
    HRESULT STDMETHODCALLTYPE GetVisibleRanges(SAFEARRAY **pRetVal) override;
    HRESULT STDMETHODCALLTYPE RangeFromChild(IRawElementProviderSimple *childElement, ITextRangeProvider **pRetVal) override;
    HRESULT STDMETHODCALLTYPE RangeFromPoint(UiaPoint point, ITextRangeProvider **pRetVal) override;
    HRESULT STDMETHODCALLTYPE get_DocumentRange(ITextRangeProvider **pRetVal) override;
    HRESULT STDMETHODCALLTYPE get_SupportedTextSelection(SupportedTextSelection *pRetVal) override;
 
    // ITextProvider2
    HRESULT STDMETHODCALLTYPE RangeFromAnnotation(IRawElementProviderSimple *annotationElement, ITextRangeProvider **pRetVal) override;
    HRESULT STDMETHODCALLTYPE GetCaretRange(BOOL *isActive, ITextRangeProvider **pRetVal) override;
};
 
QT_END_NAMESPACE
 
#endif // QT_CONFIG(accessibility)
 
#endif // QWINDOWSUIATEXTPROVIDER_H