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Diffstat (limited to 'src/quick/items/qquickdroparea_p.h')
-rw-r--r-- | src/quick/items/qquickdroparea_p.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/quick/items/qquickdroparea_p.h b/src/quick/items/qquickdroparea_p.h new file mode 100644 index 0000000000..6662b21faf --- /dev/null +++ b/src/quick/items/qquickdroparea_p.h @@ -0,0 +1,165 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKDROPAREA_P_H +#define QQUICKDROPAREA_P_H + +#include "qquickitem.h" + +#include <private/qdeclarativeguard_p.h> +#include <private/qv8engine_p.h> + +#include <QtGui/qevent.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QQuickDropAreaPrivate; +class QQuickDropEvent : public QObject +{ + Q_OBJECT + Q_PROPERTY(qreal x READ x) + Q_PROPERTY(qreal y READ y) + Q_PROPERTY(QObject *source READ source) + Q_PROPERTY(QStringList keys READ keys) + Q_PROPERTY(Qt::DropActions supportedActions READ supportedActions) + Q_PROPERTY(Qt::DropAction action READ action WRITE setAction RESET resetAction) + Q_PROPERTY(bool accepted READ accepted WRITE setAccepted) +public: + QQuickDropEvent(QQuickDropAreaPrivate *d, QDropEvent *event) : d(d), event(event) {} + + qreal x() const { return event->pos().x(); } + qreal y() const { return event->pos().y(); } + + QObject *source(); + + Qt::DropActions supportedActions() const { return event->possibleActions(); } + Qt::DropAction action() const { return event->dropAction(); } + void setAction(Qt::DropAction action) { event->setDropAction(action); } + void resetAction() { event->setDropAction(event->proposedAction()); } + + QStringList keys() const; + + bool accepted() const { return event->isAccepted(); } + void setAccepted(bool accepted) { event->setAccepted(accepted); } + + Q_INVOKABLE void accept(QDeclarativeV8Function *); + +private: + QQuickDropAreaPrivate *d; + QDropEvent *event; +}; + +class QQuickDropAreaDrag : public QObject +{ + Q_OBJECT + Q_PROPERTY(qreal x READ x NOTIFY positionChanged) + Q_PROPERTY(qreal y READ y NOTIFY positionChanged) + Q_PROPERTY(QObject *source READ source NOTIFY sourceChanged) +public: + QQuickDropAreaDrag(QQuickDropAreaPrivate *d, QObject *parent = 0); + ~QQuickDropAreaDrag(); + + qreal x() const; + qreal y() const; + QObject *source() const; + +Q_SIGNALS: + void positionChanged(); + void sourceChanged(); + +private: + QQuickDropAreaPrivate *d; + + friend class QQuickDropArea; + friend class QQuickDropAreaPrivate; +}; + +class QQuickDropAreaPrivate; +class Q_AUTOTEST_EXPORT QQuickDropArea : public QQuickItem +{ + Q_OBJECT + Q_PROPERTY(bool containsDrag READ containsDrag NOTIFY containsDragChanged) + Q_PROPERTY(QStringList keys READ keys WRITE setKeys NOTIFY keysChanged) + Q_PROPERTY(QQuickDropAreaDrag *drag READ drag CONSTANT) + +public: + QQuickDropArea(QQuickItem *parent=0); + ~QQuickDropArea(); + + bool containsDrag() const; + void setContainsDrag(bool drag); + + QStringList keys() const; + void setKeys(const QStringList &keys); + + QQuickDropAreaDrag *drag(); + +Q_SIGNALS: + void containsDragChanged(); + void keysChanged(); + void sourceChanged(); + + void entered(QQuickDropEvent *drag); + void exited(); + void positionChanged(QQuickDropEvent *drag); + void dropped(QQuickDropEvent *drop); + +protected: + void dragMoveEvent(QDragMoveEvent *event); + void dragEnterEvent(QDragEnterEvent *event); + void dragLeaveEvent(QDragLeaveEvent *event); + void dropEvent(QDropEvent *event); + +private: + Q_DISABLE_COPY(QQuickDropArea) + Q_DECLARE_PRIVATE(QQuickDropArea) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickDropEvent) +QML_DECLARE_TYPE(QQuickDropArea) + +QT_END_HEADER + +#endif // QQUICKDROPAREA_P_H |