From 436faee8b3704f9aae5620bc69f14c3461fc208c Mon Sep 17 00:00:00 2001 From: Andre de la Rocha Date: Tue, 27 Feb 2018 19:59:54 +0100 Subject: WinRT: Add Windows UI Automation support Adds support to accessibility tools and programmatic UI control to the WinRT platform through Windows UI Automation, using the AutomationPeer API. [ChangeLog][winrt][feature] Added support to Windows UI Automation to the WinRT QPA, allowing Qt-based UWP applications to operate with accessibility and programmatic UI control tools. Change-Id: If0a8edbebc7c16c4896d749f2d7e11809b4b37b3 Reviewed-by: Oliver Wolff Reviewed-by: Maurice Kalinowski --- .../uiautomation/qwinrtuiarangevalueprovider.cpp | 167 +++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 src/plugins/platforms/winrt/uiautomation/qwinrtuiarangevalueprovider.cpp (limited to 'src/plugins/platforms/winrt/uiautomation/qwinrtuiarangevalueprovider.cpp') diff --git a/src/plugins/platforms/winrt/uiautomation/qwinrtuiarangevalueprovider.cpp b/src/plugins/platforms/winrt/uiautomation/qwinrtuiarangevalueprovider.cpp new file mode 100644 index 0000000000..4ac59c890a --- /dev/null +++ b/src/plugins/platforms/winrt/uiautomation/qwinrtuiarangevalueprovider.cpp @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include +#if QT_CONFIG(accessibility) + +#include "qwinrtuiarangevalueprovider.h" +#include "qwinrtuiametadatacache.h" +#include "qwinrtuiautils.h" + +#include +#include +#include +#include +#include + +QT_BEGIN_NAMESPACE + +using namespace QWinRTUiAutomation; +using namespace ABI::Windows::UI::Xaml::Automation; +using namespace ABI::Windows::UI::Xaml::Automation::Provider; + +QWinRTUiaRangeValueProvider::QWinRTUiaRangeValueProvider(QAccessible::Id id) : + QWinRTUiaBaseProvider(id) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; +} + +QWinRTUiaRangeValueProvider::~QWinRTUiaRangeValueProvider() +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; +} + +HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_IsReadOnly(boolean *value) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; + + if (!value) + return E_INVALIDARG; + + QSharedPointer metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); + *value = (metadata->state().readOnly != 0); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_LargeChange(DOUBLE *value) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; + + if (!value) + return E_INVALIDARG; + + QSharedPointer metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); + *value = metadata->minimumStepSize(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Maximum(DOUBLE *value) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; + + if (!value) + return E_INVALIDARG; + + QSharedPointer metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); + *value = metadata->maximumValue(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Minimum(DOUBLE *value) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; + + if (!value) + return E_INVALIDARG; + + QSharedPointer metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); + *value = metadata->minimumValue(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_SmallChange(DOUBLE *value) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; + + if (!value) + return E_INVALIDARG; + + QSharedPointer metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); + *value = metadata->minimumStepSize(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Value(DOUBLE *value) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; + + if (!value) + return E_INVALIDARG; + + QSharedPointer metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); + *value = metadata->currentValue(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::SetValue(DOUBLE value) +{ + qCDebug(lcQpaUiAutomation) << __FUNCTION__; + + auto accid = id(); + + QEventDispatcherWinRT::runOnMainThread([accid, value]() { + if (QAccessibleInterface *accessible = accessibleForId(accid)) { + if (QAccessibleValueInterface *valueInterface = accessible->valueInterface()) { + double minimum = valueInterface->minimumValue().toDouble(); + double maximum = valueInterface->maximumValue().toDouble(); + if ((value >= minimum) && (value <= maximum)) { + valueInterface->setCurrentValue(QVariant(value)); + } + } + } + QWinRTUiaMetadataCache::instance()->load(accid); + return S_OK; + }, 0); + + return S_OK; +} + +QT_END_NAMESPACE + +#endif // QT_CONFIG(accessibility) -- cgit v1.2.3