add QQuickPointerDeviceHandler

Many handlers are interested only in events which come from specific
devices, device types, or mouse buttons.  This provides common
filtering for them.

Change-Id: I30f406ea0c91eb016bc5fb989636787eb680dcbf
Reviewed-by: Jan Arve Sæther <jan-arve.saether@theqtcompany.com>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/quick/handlers/qquickpointerdevicehandler_p.h b/src/quick/handlers/qquickpointerdevicehandler_p.h
new file mode 100644
index 0000000000..9e93d79e7c
--- /dev/null
+++ b/src/quick/handlers/qquickpointerdevicehandler_p.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module 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 QQUICKPOINTERDEVICEHANDLER_H
+#define QQUICKPOINTERDEVICEHANDLER_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qquickpointerhandler_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class Q_AUTOTEST_EXPORT QQuickPointerDeviceHandler : public QQuickPointerHandler
+{
+    Q_OBJECT
+    Q_PROPERTY(QQuickPointerDevice::DeviceTypes acceptedDevices READ acceptedDevices WRITE setAcceptedDevices NOTIFY acceptedDevicesChanged)
+    Q_PROPERTY(QQuickPointerDevice::PointerTypes acceptedPointerTypes READ acceptedPointerTypes WRITE setAcceptedPointerTypes NOTIFY acceptedPointerTypesChanged)
+    Q_PROPERTY(Qt::MouseButtons acceptedButtons READ acceptedButtons WRITE setAcceptedButtons NOTIFY acceptedButtonsChanged)
+
+public:
+    QQuickPointerDeviceHandler(QObject *parent = 0);
+    ~QQuickPointerDeviceHandler();
+
+    QQuickPointerDevice::DeviceTypes acceptedDevices() const { return m_acceptedDevices; }
+    QQuickPointerDevice::PointerTypes acceptedPointerTypes() const { return m_acceptedPointerTypes; }
+    Qt::MouseButtons acceptedButtons() const { return m_acceptedButtons; }
+
+public slots:
+    void setAcceptedDevices(QQuickPointerDevice::DeviceTypes acceptedDevices);
+    void setAcceptedPointerTypes(QQuickPointerDevice::PointerTypes acceptedPointerTypes);
+    void setAcceptedButtons(Qt::MouseButtons buttons);
+
+Q_SIGNALS:
+    void acceptedDevicesChanged();
+    void acceptedPointerTypesChanged();
+    void acceptedButtonsChanged();
+
+protected:
+    bool wantsPointerEvent(QQuickPointerEvent *event) Q_DECL_OVERRIDE;
+    void setPressed(bool pressed);
+
+protected:
+    QQuickPointerDevice::DeviceTypes m_acceptedDevices;
+    QQuickPointerDevice::PointerTypes m_acceptedPointerTypes;
+    Qt::MouseButtons m_acceptedButtons;
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QQuickPointerDeviceHandler)
+
+#endif // QQUICKPOINTERDEVICEHANDLER_H