diff options
Diffstat (limited to 'src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp')
-rw-r--r-- | src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp | 119 |
1 files changed, 74 insertions, 45 deletions
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp index c7c0deab3f..5892493281 100644 --- a/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp +++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp @@ -1,46 +1,11 @@ -/**************************************************************************** -** -** Copyright (C) 2017 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// 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 "qwindowsuiaaccessibility.h" +#include "qwindowsuiautomation.h" #include "qwindowsuiamainprovider.h" #include "qwindowsuiautils.h" @@ -50,12 +15,15 @@ #include <QtGui/private/qguiapplication_p.h> #include <QtCore/qt_windows.h> #include <qpa/qplatformintegration.h> -#include <QtWindowsUIAutomationSupport/private/qwindowsuiawrapper_p.h> + +#include <QtCore/private/qwinregistry_p.h> QT_BEGIN_NAMESPACE using namespace QWindowsUiAutomation; +using namespace Qt::Literals::StringLiterals; +bool QWindowsUiaAccessibility::m_accessibleActive = false; QWindowsUiaAccessibility::QWindowsUiaAccessibility() { @@ -70,6 +38,7 @@ bool QWindowsUiaAccessibility::handleWmGetObject(HWND hwnd, WPARAM wParam, LPARA { // Start handling accessibility internally QGuiApplicationPrivate::platformIntegration()->accessibility()->setActive(true); + m_accessibleActive = true; // Ignoring all requests while starting up / shutting down if (QCoreApplication::startingUp() || QCoreApplication::closingDown()) @@ -78,32 +47,89 @@ bool QWindowsUiaAccessibility::handleWmGetObject(HWND hwnd, WPARAM wParam, LPARA if (QWindow *window = QWindowsContext::instance()->findWindow(hwnd)) { if (QAccessibleInterface *accessible = window->accessibleRoot()) { QWindowsUiaMainProvider *provider = QWindowsUiaMainProvider::providerForAccessible(accessible); - *lResult = QWindowsUiaWrapper::instance()->returnRawElementProvider(hwnd, wParam, lParam, provider); + *lResult = UiaReturnRawElementProvider(hwnd, wParam, lParam, provider); return true; } } return false; } +// Retrieve sound name by checking the icon property of a message box +// should it be the event object. +static QString alertSound(const QObject *object) +{ + if (object->inherits("QMessageBox")) { + enum MessageBoxIcon { // Keep in sync with QMessageBox::Icon + Information = 1, + Warning = 2, + Critical = 3 + }; + switch (object->property("icon").toInt()) { + case Information: + return QStringLiteral("SystemAsterisk"); + case Warning: + return QStringLiteral("SystemExclamation"); + case Critical: + return QStringLiteral("SystemHand"); + } + return QString(); + } + return QStringLiteral("SystemAsterisk"); +} + +static QString soundFileName(const QString &soundName) +{ + const QString key = "AppEvents\\Schemes\\Apps\\.Default\\"_L1 + + soundName + "\\.Current"_L1; + return QWinRegistryKey(HKEY_CURRENT_USER, key).stringValue(L""); +} + +static void playSystemSound(const QString &soundName) +{ + if (!soundName.isEmpty() && !soundFileName(soundName).isEmpty()) { + PlaySound(reinterpret_cast<const wchar_t *>(soundName.utf16()), nullptr, + SND_ALIAS | SND_ASYNC | SND_NODEFAULT | SND_NOWAIT); + } +} + // Handles accessibility update notifications. void QWindowsUiaAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event) { if (!event) return; - QAccessibleInterface *accessible = event->accessibleInterface(); - if (!isActive() || !accessible || !accessible->isValid()) + // Always handle system sound events + switch (event->type()) { + case QAccessible::PopupMenuStart: + playSystemSound(QStringLiteral("MenuPopup")); + break; + case QAccessible::MenuCommand: + playSystemSound(QStringLiteral("MenuCommand")); + break; + case QAccessible::Alert: + playSystemSound(alertSound(event->object())); + break; + default: + break; + } + + // Ignore events sent before the first UI Automation + // request or while QAccessible is being activated. + if (!m_accessibleActive) return; - // Ensures QWindowsUiaWrapper is properly initialized. - if (!QWindowsUiaWrapper::instance()->ready()) + QAccessibleInterface *accessible = event->accessibleInterface(); + if (!isActive() || !accessible || !accessible->isValid()) return; // No need to do anything when nobody is listening. - if (!QWindowsUiaWrapper::instance()->clientsAreListening()) + if (!UiaClientsAreListening()) return; switch (event->type()) { + case QAccessible::Announcement: + QWindowsUiaMainProvider::raiseNotification(static_cast<QAccessibleAnnouncementEvent *>(event)); + break; case QAccessible::Focus: QWindowsUiaMainProvider::notifyFocusChange(event); break; @@ -113,6 +139,9 @@ void QWindowsUiaAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event case QAccessible::ValueChanged: QWindowsUiaMainProvider::notifyValueChange(static_cast<QAccessibleValueChangeEvent *>(event)); break; + case QAccessible::NameChanged: + QWindowsUiaMainProvider::notifyNameChange(event); + break; case QAccessible::SelectionAdd: QWindowsUiaMainProvider::notifySelectionChange(event); break; |