File indexing completed on 2025-01-05 05:14:52

0001 /*
0002 SPDX-FileCopyrightText: 2021 Hamed Masafi <hamed.masfi@gmail.com>
0003 
0004 SPDX-License-Identifier: GPL-3.0-or-later
0005 */
0006 
0007 #pragma once
0008 
0009 #include <QWidget>
0010 
0011 #include "libkommitwidgets_export.h"
0012 
0013 class SegmentConnector;
0014 class LIBKOMMITWIDGETS_EXPORT SegmentsScrollBar : public QWidget
0015 {
0016     Q_OBJECT
0017 public:
0018     explicit SegmentsScrollBar(QWidget *parent = nullptr);
0019 
0020     SegmentConnector *segmentConnector() const;
0021     void setSegmentConnector(SegmentConnector *newSegmentConnector);
0022 
0023 protected:
0024     void paintEvent(QPaintEvent *event) override;
0025     void mouseMoveEvent(QMouseEvent *event) override;
0026     void resizeEvent(QResizeEvent *event) override;
0027 
0028 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
0029     void enterEvent(QEvent *event) override;
0030 #else
0031     void enterEvent(QEnterEvent *event) override;
0032 #endif
0033     void leaveEvent(QEvent *event) override;
0034 
0035 private Q_SLOTS:
0036     void reload();
0037 
0038 Q_SIGNALS:
0039     void hover(int y, double pos);
0040     void mouseEntered();
0041     void mouseLeaved();
0042 
0043 private:
0044     enum Side { Left, Right };
0045 
0046     int leftCount{0};
0047     int rightCount{0};
0048     SegmentConnector *mSegmentConnector{nullptr};
0049     QImage mSegmentsImage;
0050 
0051     void generateSegmentsImage();
0052 
0053     inline void paintSection(QPainter &painter, SegmentsScrollBar::Side side, int from, int len, const QBrush &brush, bool drawRect = false);
0054 };