diff options
Diffstat (limited to 'src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp b/src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp deleted file mode 100644 index d48cb9674f..0000000000 --- a/src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp +++ /dev/null @@ -1,245 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 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 <QtCore/qglobal.h> -#ifndef QT_NO_ACCESSIBILITY - - -#include <private/qsystemlibrary_p.h> - -#include <QtCore/qlocale.h> -#include <QtCore/qmap.h> -#include <QtCore/qpair.h> -#include <QtCore/qpointer.h> -#include <QtGui/qaccessible.h> -#include <QtGui/private/qguiapplication_p.h> -#include <qpa/qplatformnativeinterface.h> -#include <qpa/qplatformintegration.h> -#include <QtGui/qwindow.h> -#include <QtGui/qguiapplication.h> -#include <QtFontDatabaseSupport/private/qwindowsfontdatabase_p.h> // registry helper - -#include "qwindowsaccessibility.h" -#include "iaccessible2.h" -#include "comutils.h" - -#include <oleacc.h> - -//#include <uiautomationcoreapi.h> -#ifndef UiaRootObjectId -#define UiaRootObjectId -25 -#endif - -#include <winuser.h> -#if !defined(WINABLEAPI) -# include <winable.h> -#endif - -#include <servprov.h> -#if !defined(Q_CC_BOR) && !defined (Q_CC_GNU) -#include <comdef.h> -#endif - -#include <QtCore/qt_windows.h> - -QT_BEGIN_NAMESPACE - -/*! - \!internal - \class QWindowsAccessibility - - Implements QPlatformAccessibility - -*/ -QWindowsAccessibility::QWindowsAccessibility() -{ -} - -// Retrieve sound name by checking the icon property of a message box -static inline QString messageBoxAlertSound(const QObject *messageBox) -{ - enum MessageBoxIcon { // Keep in sync with QMessageBox::Icon - Information = 1, - Warning = 2, - Critical = 3 - }; - switch (messageBox->property("icon").toInt()) { - case Information: - return QStringLiteral("SystemAsterisk"); - case Warning: - return QStringLiteral("SystemExclamation"); - case Critical: - return QStringLiteral("SystemHand"); - } - return QString(); -} - -static QString soundFileName(const QString &soundName) -{ - const QString key = QStringLiteral("AppEvents\\Schemes\\Apps\\.Default\\") - + soundName + QStringLiteral("\\.Current"); - return QWindowsFontDatabase::readRegistryString(HKEY_CURRENT_USER, - reinterpret_cast<const wchar_t *>(key.utf16()), L""); -} - -void QWindowsAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event) -{ - QString soundName; - switch (event->type()) { - case QAccessible::PopupMenuStart: - soundName = QLatin1String("MenuPopup"); - break; - - case QAccessible::MenuCommand: - soundName = QLatin1String("MenuCommand"); - break; - - case QAccessible::Alert: - soundName = event->object()->inherits("QMessageBox") ? - messageBoxAlertSound(event->object()) : QStringLiteral("SystemAsterisk"); - break; - default: - break; - } - - if (!soundName.isEmpty() && !soundFileName(soundName).isEmpty()) { - PlaySound(reinterpret_cast<const wchar_t *>(soundName.utf16()), 0, - SND_ALIAS | SND_ASYNC | SND_NODEFAULT | SND_NOWAIT); - } - - // An event has to be associated with a window, - // so find the first parent that is a widget and that has a WId - QAccessibleInterface *iface = event->accessibleInterface(); - if (!isActive() || !iface || !iface->isValid()) - return; - QWindow *window = QWindowsAccessibility::windowHelper(iface); - - if (!window) { - window = QGuiApplication::focusWindow(); - if (!window) - return; - } - - QPlatformNativeInterface *platform = QGuiApplication::platformNativeInterface(); - if (!window->handle()) // Called before show(), no native window yet. - return; - const HWND hWnd = reinterpret_cast<HWND>(platform->nativeResourceForWindow("handle", window)); - - if (event->type() != QAccessible::MenuCommand && // MenuCommand is faked - event->type() != QAccessible::ObjectDestroyed) { - ::NotifyWinEvent(event->type(), hWnd, OBJID_CLIENT, QAccessible::uniqueId(iface)); - } -} - -QWindow *QWindowsAccessibility::windowHelper(const QAccessibleInterface *iface) -{ - QWindow *window = iface->window(); - if (!window) { - QAccessibleInterface *acc = iface->parent(); - while (acc && acc->isValid() && !window) { - window = acc->window(); - QAccessibleInterface *par = acc->parent(); - acc = par; - } - } - return window; -} - -/*! - \internal - helper to wrap a QAccessibleInterface inside a IAccessible* -*/ -IAccessible *QWindowsAccessibility::wrap(QAccessibleInterface *acc) -{ - if (!acc) - return 0; - - // ### FIXME: maybe we should accept double insertions into the cache - if (!QAccessible::uniqueId(acc)) - QAccessible::registerAccessibleInterface(acc); - - QWindowsIA2Accessible *wacc = new QWindowsIA2Accessible(acc); - IAccessible *iacc = 0; - wacc->QueryInterface(IID_IAccessible, reinterpret_cast<void **>(&iacc)); - return iacc; -} - -bool QWindowsAccessibility::handleAccessibleObjectFromWindowRequest(HWND hwnd, WPARAM wParam, LPARAM lParam, LRESULT *lResult) -{ - if (static_cast<long>(lParam) == static_cast<long>(UiaRootObjectId)) { - /* For UI Automation */ - } else if (DWORD(lParam) == DWORD(OBJID_CLIENT)) { - // Start handling accessibility internally - QGuiApplicationPrivate::platformIntegration()->accessibility()->setActive(true); - // Ignoring all requests while starting up - // ### Maybe QPA takes care of this??? - if (QCoreApplication::startingUp() || QCoreApplication::closingDown()) - return false; - - typedef LRESULT (WINAPI *PtrLresultFromObject)(REFIID, WPARAM, LPUNKNOWN); - static PtrLresultFromObject ptrLresultFromObject = 0; - static bool oleaccChecked = false; - - if (!oleaccChecked) { - oleaccChecked = true; - ptrLresultFromObject = reinterpret_cast<PtrLresultFromObject>(QSystemLibrary::resolve(QLatin1String("oleacc"), "LresultFromObject")); - } - - if (ptrLresultFromObject) { - QWindow *window = QWindowsContext::instance()->findWindow(hwnd); - if (window) { - QAccessibleInterface *acc = window->accessibleRoot(); - if (acc) { - if (IAccessible *iface = wrap(acc)) { - *lResult = ptrLresultFromObject(IID_IAccessible, wParam, iface); // ref == 2 - if (*lResult) { - iface->Release(); // the client will release the object again, and then it will destroy itself - } - return true; - } - } - } - } - } - return false; -} - -QT_END_NAMESPACE - -#endif //QT_NO_ACCESSIBILITY |