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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKDROPAREA_P_H
#define QQUICKDROPAREA_P_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 <private/qtquickglobal_p.h>
#include <QtQuick/qquickitem.h>
#include <QtGui/qevent.h>
QT_REQUIRE_CONFIG(quick_draganddrop);
QT_BEGIN_NAMESPACE
class QQuickDropAreaPrivate;
class QQuickDragEvent : public QObject
{
Q_OBJECT
Q_PROPERTY(qreal x READ x FINAL)
Q_PROPERTY(qreal y READ y FINAL)
Q_PROPERTY(QObject *source READ source FINAL)
Q_PROPERTY(QStringList keys READ keys FINAL)
Q_PROPERTY(Qt::DropActions supportedActions READ supportedActions FINAL)
Q_PROPERTY(Qt::DropActions proposedAction READ proposedAction FINAL)
Q_PROPERTY(Qt::DropAction action READ action WRITE setAction RESET resetAction FINAL)
Q_PROPERTY(bool accepted READ accepted WRITE setAccepted FINAL)
Q_PROPERTY(bool hasColor READ hasColor FINAL)
Q_PROPERTY(bool hasHtml READ hasHtml FINAL)
Q_PROPERTY(bool hasText READ hasText FINAL)
Q_PROPERTY(bool hasUrls READ hasUrls FINAL)
Q_PROPERTY(QVariant colorData READ colorData FINAL)
Q_PROPERTY(QString html READ html FINAL)
Q_PROPERTY(QString text READ text FINAL)
Q_PROPERTY(QList<QUrl> urls READ urls FINAL)
Q_PROPERTY(QStringList formats READ formats FINAL)
QML_NAMED_ELEMENT(DragEvent)
QML_UNCREATABLE("DragEvent is only meant to be created by DropArea")
QML_ADDED_IN_VERSION(2, 0)
public:
QQuickDragEvent(QQuickDropAreaPrivate *d, QDropEvent *event) : d(d), event(event) {}
qreal x() const { return event->position().x(); }
qreal y() const { return event->position().y(); }
QObject *source() const;
Qt::DropActions supportedActions() const { return event->possibleActions(); }
Qt::DropActions proposedAction() const { return event->proposedAction(); }
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); }
bool hasColor() const;
bool hasHtml() const;
bool hasText() const;
bool hasUrls() const;
QVariant colorData() const;
QString html() const;
QString text() const;
QList<QUrl> urls() const;
QStringList formats() const;
Q_INVOKABLE QString getDataAsString(const QString &format) const;
Q_INVOKABLE QByteArray getDataAsArrayBuffer(const QString &format) const;
Q_INVOKABLE void acceptProposedAction();
Q_INVOKABLE void accept();
Q_INVOKABLE void accept(Qt::DropAction action);
private:
QQuickDropAreaPrivate *d;
QDropEvent *event;
};
class QQuickDropAreaDrag : public QObject
{
Q_OBJECT
Q_PROPERTY(qreal x READ x NOTIFY positionChanged FINAL)
Q_PROPERTY(qreal y READ y NOTIFY positionChanged FINAL)
Q_PROPERTY(QObject *source READ source NOTIFY sourceChanged FINAL)
QML_ANONYMOUS
QML_ADDED_IN_VERSION(2, 0)
public:
QQuickDropAreaDrag(QQuickDropAreaPrivate *d, QObject *parent = nullptr);
~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_QUICK_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)
QML_NAMED_ELEMENT(DropArea)
QML_ADDED_IN_VERSION(2, 0)
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(QQuickDragEvent *drag);
void exited();
void positionChanged(QQuickDragEvent *drag);
void dropped(QQuickDragEvent *drop);
protected:
void dragMoveEvent(QDragMoveEvent *event) override;
void dragEnterEvent(QDragEnterEvent *event) override;
void dragLeaveEvent(QDragLeaveEvent *event) override;
void dropEvent(QDropEvent *event) override;
private:
Q_DISABLE_COPY(QQuickDropArea)
Q_DECLARE_PRIVATE(QQuickDropArea)
};
QT_END_NAMESPACE
#endif // QQUICKDROPAREA_P_H
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