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authorAndre de la Rocha <andre.rocha@qt.io>2017-09-08 18:00:05 +0200
committerAndre de la Rocha <andre.rocha@qt.io>2017-11-14 23:31:04 +0000
commit0cf6297c15be45d852be98c862bd0211e6de1aa2 (patch)
tree5272c314b267a5ee8f1d5c74928280645668df42 /src/plugins/platforms/windows/uiautomation/qwindowsuiatextprovider.h
parentee2ad9df701b27790e2ab72e99111d255fde42ed (diff)
Add support for Windows UI Automation
Replaces the Qt Accessibility Windows back end, formerly based on legacy MSAA, with a new implementation based on UI Automation. Fixes issues with accessibility tools like screen readers and magnifiers, and with the automatic showing and hiding of the virtual keyboard in touchscreen-based Windows computers. [ChangeLog][Windows] The Windows Accessibility back end, formerly based on Microsoft Active Accessibility, was replaced with a new implementation based on Microsoft UI Automation. Task-number: QTPM-487 Task-number: QTBUG-53024 Task-number: QTBUG-43190 Task-number: QTBUG-61926 Task-number: QTBUG-38499 Task-number: QTBUG-38337 Task-number: QTBUG-38501 Task-number: QTBUG-38502 Task-number: QTBUG-38504 Task-number: QTBUG-38505 Task-number: QTBUG-38507 Change-Id: I20b4f8f5e938fef791c6e9c577fcd919140999bd Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>
Diffstat (limited to 'src/plugins/platforms/windows/uiautomation/qwindowsuiatextprovider.h')
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1 files changed, 80 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiatextprovider.h b/src/plugins/platforms/windows/uiautomation/qwindowsuiatextprovider.h
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+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSUIATEXTPROVIDER_H
+#define QWINDOWSUIATEXTPROVIDER_H
+
+#include <QtCore/QtConfig>
+#ifndef QT_NO_ACCESSIBILITY
+
+#include "qwindowsuiabaseprovider.h"
+#include "qwindowsuiatextrangeprovider.h"
+
+QT_BEGIN_NAMESPACE
+
+// Implements the Text control pattern provider. Used for text controls.
+class QWindowsUiaTextProvider : public QWindowsUiaBaseProvider,
+ public QWindowsComBase<ITextProvider2>
+{
+ Q_DISABLE_COPY(QWindowsUiaTextProvider)
+public:
+ explicit QWindowsUiaTextProvider(QAccessible::Id id);
+ ~QWindowsUiaTextProvider();
+
+ // IUnknown overrides
+ HRESULT STDMETHODCALLTYPE QueryInterface(REFIID id, LPVOID *iface);
+
+ // ITextProvider
+ HRESULT STDMETHODCALLTYPE GetSelection(SAFEARRAY **pRetVal);
+ HRESULT STDMETHODCALLTYPE GetVisibleRanges(SAFEARRAY **pRetVal);
+ HRESULT STDMETHODCALLTYPE RangeFromChild(IRawElementProviderSimple *childElement, ITextRangeProvider **pRetVal);
+ HRESULT STDMETHODCALLTYPE RangeFromPoint(UiaPoint point, ITextRangeProvider **pRetVal);
+ HRESULT STDMETHODCALLTYPE get_DocumentRange(ITextRangeProvider **pRetVal);
+ HRESULT STDMETHODCALLTYPE get_SupportedTextSelection(SupportedTextSelection *pRetVal);
+
+ // ITextProvider2
+ HRESULT STDMETHODCALLTYPE RangeFromAnnotation(IRawElementProviderSimple *annotationElement, ITextRangeProvider **pRetVal);
+ HRESULT STDMETHODCALLTYPE GetCaretRange(BOOL *isActive, ITextRangeProvider **pRetVal);
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_ACCESSIBILITY
+
+#endif // QWINDOWSUIATEXTPROVIDER_H