autoscroller.h

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/* ============================================================
* AutoScroll - Autoscroll for Falkon
* Copyright (C) 2014-2017 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#ifndef AUTOSCROLLER_H
#define AUTOSCROLLER_H
 
#include <QObject>
#include <QLabel>
 
class QMouseEvent;
class QWheelEvent;
class QRect;
 
class WebView;
class FrameScroller;
 
class ScrollIndicator : public QLabel
{
public:
    explicit ScrollIndicator(QWidget *parent = nullptr);
 
    Qt::Orientations orientations() const;
    void setOrientations(Qt::Orientations orientations);
 
private:
    void paintEvent(QPaintEvent *event) override;
 
    Qt::Orientations m_orientations;
};
 
class AutoScroller : public QObject
{
    Q_OBJECT
public:
    explicit AutoScroller(const QString &settingsFile, QObject* parent = nullptr);
    ~AutoScroller() override;
 
    bool mouseMove(QObject* obj, QMouseEvent* event);
    bool mousePress(QObject* obj, QMouseEvent* event);
    bool mouseRelease(QObject* obj, QMouseEvent* event);
    bool wheel(QObject* obj, QWheelEvent *event);
 
    double scrollDivider() const;
    void setScrollDivider(double divider);
 
private:
    bool eventFilter(QObject* obj, QEvent* event) override;
 
    bool showIndicator(WebView* view, const QPoint &pos);
    void stopScrolling();
 
    QRect indicatorGlobalRect() const;
 
    WebView* m_view;
    ScrollIndicator* m_indicator;
    FrameScroller* m_frameScroller;
    QString m_settingsFile;
};
 
#endif // AUTOSCROLLER_H