btquickwidget.h

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/*********
*
* In the name of the Father, and of the Son, and of the Holy Spirit.
*
* This file is part of BibleTime's source code, https://bibletime.info/
*
* Copyright 1999-2025 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License
* version 2.0.
*
**********/
 
#pragma once
 
/**
    The BtQuickWidget is a subclass of QQuickWidget. The subclass was
    needed to be able to catch the drop event when a bookmark is dropped
    on a read window.
  */
 
#include <QTimer>
#include <QWidget>
#include <QQuickWidget>
 
 
class CSwordKey;
class BtQmlInterface;
 
class BtQuickWidget : public QQuickWidget {
    Q_OBJECT
 
public:
    BtQuickWidget(QWidget * const parent = nullptr);
 
    void scroll(int pixels);
    void updateReferenceText();
    void pageDown();
    void pageUp();
 
    CSwordKey* getMouseClickedKey();
 
    BtQmlInterface * qmlInterface() const noexcept { return m_qmlInterface; }
 
protected:
       void dragMoveEvent(QDragMoveEvent * event) override;
       void dragEnterEvent( QDragEnterEvent* e ) override;
       void dropEvent( QDropEvent* e ) override;
 
       virtual bool event(QEvent* e) override;
       virtual void mousePressEvent(QMouseEvent *event) override;
       virtual void mouseMoveEvent(QMouseEvent *event) override;
       virtual void mouseReleaseEvent(QMouseEvent *event) override;
       virtual void mouseDoubleClickEvent(QMouseEvent *event) override;
       virtual void wheelEvent(QWheelEvent * event) override;
 
private: // methods:
 
   template <typename ... Args>
   void callQml(char const * const method, Args && ... args) {
       QMetaObject::invokeMethod(rootObject(),
                                 method,
                                 Q_ARG(QVariant, args)...);
   }
   void callQml(char const * const method, Args && ... args) {…}
 
private:
 
    BtQmlInterface * const m_qmlInterface;
 
    QTimer m_scrollTimer;
 
Q_SIGNALS:
    void referenceDropped(const QString& reference);
};
class BtQuickWidget : public QQuickWidget {…};