diff options
| author | Shawn Rutledge <shawn.rutledge@theqtcompany.com> | 2015-06-01 17:49:37 +0200 |
|---|---|---|
| committer | Shawn Rutledge <shawn.rutledge@qt.io> | 2016-08-15 15:21:19 +0000 |
| commit | 54eab024611c6b9675ef6d48a15e7d69ed28df87 (patch) | |
| tree | faff31d691c3c0f66f0fc0261eac9afb96a4d20f /src/quick/handlers/qquickpointerhandler_p.h | |
| parent | 076640e0e7ac31574c41bd6298a89b0cb5d7f9a7 (diff) | |
Introduce QQuickPointerHandler: base class for nested event handlers
They will be Tech Preview in 5.8, so they shouldn't be available
unless you explicitly import them.
Task-number: QTBUG-54824
Change-Id: I290854a4e2b76e2cdfef5c216c7fdeb47fbcd390
Reviewed-by: Jan Arve Sæther <jan-arve.saether@theqtcompany.com>
Diffstat (limited to 'src/quick/handlers/qquickpointerhandler_p.h')
| -rw-r--r-- | src/quick/handlers/qquickpointerhandler_p.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/quick/handlers/qquickpointerhandler_p.h b/src/quick/handlers/qquickpointerhandler_p.h new file mode 100644 index 0000000000..b20f20d8f9 --- /dev/null +++ b/src/quick/handlers/qquickpointerhandler_p.h @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** 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 QQUICKPOINTERHANDLER_H +#define QQUICKPOINTERHANDLER_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 "qevent.h" + +#include <QtQuick/private/qquickevents_p_p.h> +#include <QtQuick/private/qquickitem_p.h> + +QT_BEGIN_NAMESPACE + +Q_DECLARE_LOGGING_CATEGORY(lcPointerHandlerDispatch) + +class Q_QUICK_PRIVATE_EXPORT QQuickPointerHandler : public QObject +{ + Q_OBJECT + Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged) + Q_PROPERTY(QQuickItem * target READ target WRITE setTarget NOTIFY targetChanged) + +public: + QQuickPointerHandler(QObject *parent = 0); + virtual ~QQuickPointerHandler() { } + +public: + bool enabled() const { return m_enabled; } + void setEnabled(bool enabled); + + QQuickItem *target() const { return m_target; } + void setTarget(QQuickItem *target); + + void handlePointerEvent(QQuickPointerEvent *event) { handlePointerEventImpl(event); } + +Q_SIGNALS: + void enabledChanged(); + void targetChanged(); + +protected: + QQuickPointerEvent *currentEvent() { return m_currentEvent; } + virtual void handlePointerEventImpl(QQuickPointerEvent *event); + void setGrab(QQuickEventPoint *point, bool grab); + +private: + QQuickPointerEvent *m_currentEvent; + QQuickItem *m_target; + bool m_enabled; +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickPointerHandler) + +#endif // QQUICKPOINTERHANDLER_H |