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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
#include "qwinrtuiavalueprovider.h"
#include "qwinrtuiametadatacache.h"
#include "qwinrtuiautils.h"
#include <QtGui/QAccessible>
#include <QtGui/QAccessibleInterface>
#include <QtCore/QLoggingCategory>
#include <QtCore/QString>
#include <QtCore/private/qeventdispatcher_winrt_p.h>
QT_BEGIN_NAMESPACE
using namespace QWinRTUiAutomation;
using namespace ABI::Windows::UI::Xaml::Automation;
using namespace ABI::Windows::UI::Xaml::Automation::Provider;
QWinRTUiaValueProvider::QWinRTUiaValueProvider(QAccessible::Id id) :
QWinRTUiaBaseProvider(id)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}
QWinRTUiaValueProvider::~QWinRTUiaValueProvider()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}
// True for read-only controls.
HRESULT STDMETHODCALLTYPE QWinRTUiaValueProvider::get_IsReadOnly(boolean *value)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!value)
return E_INVALIDARG;
QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
*value = (metadata->state().readOnly != 0);
return S_OK;
}
// Returns the value in text form.
HRESULT STDMETHODCALLTYPE QWinRTUiaValueProvider::get_Value(HSTRING *value)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!value)
return E_INVALIDARG;
QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
return qHString(metadata->value(), value);
}
// Sets the value associated with the control.
HRESULT STDMETHODCALLTYPE QWinRTUiaValueProvider::SetValue(HSTRING value)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
auto accid = id();
QString tmpValue = hStrToQStr(value);
QEventDispatcherWinRT::runOnMainThread([accid, tmpValue]() {
if (QAccessibleInterface *accessible = accessibleForId(accid)) {
// First sets the value as a text.
accessible->setText(QAccessible::Value, tmpValue);
// Then, if the control supports the value interface (range value)
// and the supplied text can be converted to a number, and that number
// lies within the min/max limits, sets it as the control's current (numeric) value.
if (QAccessibleValueInterface *valueInterface = accessible->valueInterface()) {
bool ok = false;
double numval = tmpValue.toDouble(&ok);
if (ok) {
double minimum = valueInterface->minimumValue().toDouble();
double maximum = valueInterface->maximumValue().toDouble();
if ((numval >= minimum) && (numval <= maximum)) {
valueInterface->setCurrentValue(QVariant(numval));
}
}
}
}
QWinRTUiaMetadataCache::instance()->load(accid);
return S_OK;
}, 0);
return S_OK;
}
QT_END_NAMESPACE
#endif // QT_CONFIG(accessibility)
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