highlight.h

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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 HIGHLIGHT_H
#define HIGHLIGHT_H
 
#include <QtCore/QPointer>
#include <QtCore/QPointF>
#include <QtGui/QTransform>
#include <QtQuick/QQuickPaintedItem>
 
QT_BEGIN_NAMESPACE
 
namespace QmlJSDebugger {
 
class Highlight : public QQuickPaintedItem
{
    Q_OBJECT
 
public:
    Highlight(QQuickItem *parent);
    Highlight(QQuickItem *item, QQuickItem *parent);
 
    void setItem(QQuickItem *item);
    QQuickItem *item() {return m_item;}
 
protected:
    QTransform transform() {return m_transform;}
 
private:
    void initRenderDetails();
    void adjust();
 
private:
    QPointer<QQuickItem> m_item;
    QTransform m_transform;
};
 
/**
 * A highlight suitable for indicating selection.
 */
class SelectionHighlight : public Highlight
{
    Q_OBJECT
 
public:
    SelectionHighlight(const QString &name, QQuickItem *item, QQuickItem *parent);
    void paint(QPainter *painter) override;
    void showName(const QPointF &displayPoint);
 
private:
    QPointF m_displayPoint;
    QString m_name;
    bool m_nameDisplayActive;
 
    void disableNameDisplay();
};
 
/**
 * A highlight suitable for indicating hover.
 */
class HoverHighlight : public Highlight
{
public:
    HoverHighlight(QQuickItem *parent)
        : Highlight(parent)
    {
        setZ(1); // hover highlight on top of selection highlight
    }
 
    void paint(QPainter *painter) override;
};
 
} // namespace QmlJSDebugger
 
QT_END_NAMESPACE
 
#endif // HIGHLIGHT_H