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/** @file
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __OVERLAY_SCROLL_BAR_H__
#define __OVERLAY_SCROLL_BAR_H__
#include <QScrollBar>
class QProxyStyle;
class OverlayScrollBar : public QScrollBar
{
Q_OBJECT
public:
OverlayScrollBar(Qt::Orientation orientation, QWidget * parent = 0);
virtual ~OverlayScrollBar();
virtual QSize sizeHint() const;
virtual int sliderPosition();
/** Set the "near" overlay image.
* @param overlay_image An image containing a 1:1 mapping of nearby
* packet colors to raster lines. It should be sized in device
* pixels.
* @param packet_count Number of packets.
* @param start_pos The first packet number represented by the image.
* -1 means no packet is selected.
* @param end_pos The last packet number represented by the image. -1
* means no packet is selected.
* @param positions The positions of the selected packets within the
* image.
* @param rowHeight The row height to be used for displaying the mark
*/
void setNearOverlayImage(QImage &overlay_image, int packet_count = -1, int start_pos = -1, int end_pos = -1, QList<int> positions = QList<int>(), int rowHeight = 1);
/** Set the "far" overlay image.
* @param mp_image An image showing the position of marked, ignored,
* and reference time packets over the entire packet list. It
* should be sized in device pixels.
*/
void setMarkedPacketImage(QImage &mp_image);
/** The "groove" area of the child scrollbar.
*/
QRect grooveRect();
public slots:
void setChildRange(int min, int max) { child_sb_.setRange(min, max); }
protected:
virtual void resizeEvent(QResizeEvent * event);
virtual void paintEvent(QPaintEvent * event);
virtual bool eventFilter(QObject *watched, QEvent *event);
virtual void mousePressEvent(QMouseEvent *) { /* No-op */ }
virtual void mouseReleaseEvent(QMouseEvent * event);
private:
QProxyStyle* style_;
QProxyStyle* child_style_;
QScrollBar child_sb_;
QImage packet_map_img_;
QImage marked_packet_img_;
int packet_map_width_;
int marked_packet_width_;
int packet_count_;
int start_pos_;
int end_pos_;
QList<int> positions_;
int row_height_;
#if QT_VERSION >= QT_VERSION_CHECK(6, 1, 0)
void updateChildStyle();
#endif
};
#endif // __OVERLAY_SCROLL_BAR_H__
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