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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
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
#include "qwindowsuiavalueprovider.h"
#include "qwindowsuiautils.h"
#include "qwindowscontext.h"
#include <QtGui/qaccessible.h>
#include <QtCore/qloggingcategory.h>
#include <QtCore/qstring.h>
QT_BEGIN_NAMESPACE
using namespace QWindowsUiAutomation;
QWindowsUiaValueProvider::QWindowsUiaValueProvider(QAccessible::Id id) :
QWindowsUiaBaseProvider(id)
{
}
QWindowsUiaValueProvider::~QWindowsUiaValueProvider()
{
}
// Sets the value associated with the control.
HRESULT STDMETHODCALLTYPE QWindowsUiaValueProvider::SetValue(LPCWSTR val)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
// First sets the value as a text.
QString strVal = QString::fromUtf16(reinterpret_cast<const char16_t *>(val));
accessible->setText(QAccessible::Value, strVal);
// 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 = strVal.toDouble(&ok);
if (ok) {
double minimum = valueInterface->minimumValue().toDouble();
double maximum = valueInterface->maximumValue().toDouble();
if ((numval >= minimum) && (numval <= maximum)) {
valueInterface->setCurrentValue(QVariant(numval));
}
}
}
return S_OK;
}
// True for read-only controls.
HRESULT STDMETHODCALLTYPE QWindowsUiaValueProvider::get_IsReadOnly(BOOL *pRetVal)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!pRetVal)
return E_INVALIDARG;
*pRetVal = FALSE;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
*pRetVal = accessible->state().readOnly;
return S_OK;
}
// Returns the value in text form.
HRESULT STDMETHODCALLTYPE QWindowsUiaValueProvider::get_Value(BSTR *pRetVal)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!pRetVal)
return E_INVALIDARG;
*pRetVal = nullptr;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
*pRetVal = bStrFromQString(accessible->text(QAccessible::Value));
return S_OK;
}
QT_END_NAMESPACE
#endif // QT_CONFIG(accessibility)
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