96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
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/*
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SPDX-FileCopyrightText: 2010 BetterInbox <contact@betterinbox.com>
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SPDX-FileContributor: Gregory Schlomoff <greg@betterinbox.com>
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SPDX-License-Identifier: MIT
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*/
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#ifndef DECLARATIVEDROPAREA_H
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#define DECLARATIVEDROPAREA_H
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#include <QQuickItem>
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class DeclarativeDragDropEvent;
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class DeclarativeDropArea : public QQuickItem
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{
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Q_OBJECT
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/**
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* If false the area will receive no drop events
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*/
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Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
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/**
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*
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*/
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Q_PROPERTY(bool preventStealing READ preventStealing WRITE setPreventStealing NOTIFY preventStealingChanged)
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Q_PROPERTY(bool containsDrag READ containsDrag NOTIFY containsDragChanged)
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public:
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DeclarativeDropArea(QQuickItem *parent = nullptr);
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bool isEnabled() const;
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void setEnabled(bool enabled);
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bool preventStealing() const;
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void setPreventStealing(bool prevent);
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bool containsDrag() const;
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Q_SIGNALS:
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/**
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* Emitted when the mouse cursor dragging something enters in the drag area
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* @param event description of the dragged content
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* @see DeclarativeDragDropEvent
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*/
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void dragEnter(DeclarativeDragDropEvent *event);
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/**
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* Emitted when the mouse cursor dragging something leaves the drag area
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* @param event description of the dragged content
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* @see DeclarativeDragDropEvent
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*/
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void dragLeave(DeclarativeDragDropEvent *event);
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/**
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* Emitted when the mouse cursor dragging something moves over the drag area
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* @param event description of the dragged content
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* @see DeclarativeDragDropEvent
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*/
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void dragMove(DeclarativeDragDropEvent *event);
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/**
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* Emitted when the user drops something in the area
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* @param event description of the dragged content
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* @see DeclarativeDragDropEvent
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*/
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void drop(DeclarativeDragDropEvent *event);
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// Notifiers
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void enabledChanged();
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void preventStealingChanged();
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void containsDragChanged(bool contained);
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protected:
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void dragEnterEvent(QDragEnterEvent *event) override;
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void dragLeaveEvent(QDragLeaveEvent *event) override;
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void dragMoveEvent(QDragMoveEvent *event) override;
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void dropEvent(QDropEvent *event) override;
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private Q_SLOTS:
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void temporaryInhibitParent(bool inhibit);
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private:
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void setContainsDrag(bool dragging);
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bool m_enabled : 1;
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bool m_preventStealing : 1;
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bool m_temporaryInhibition : 1;
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bool m_containsDrag : 1;
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QPoint m_oldDragMovePos;
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};
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#endif
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