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/* overlay_scroll_bar.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __OVERLAY_SCROLL_BAR_H__
#define __OVERLAY_SCROLL_BAR_H__
#include <QScrollBar>
class OverlayScrollBar : public QScrollBar
{
Q_OBJECT
public:
OverlayScrollBar(Qt::Orientation orientation, QWidget * parent = 0);
virtual QSize sizeHint() const;
/** 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 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 selected_pos The position of the selected packet within the
* image. -1 means no packet is selected.
*/
void setNearOverlayImage(QImage &overlay_image, int packet_count = -1, int start_pos = -1, int end_pos = -1, int selected_pos = -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:
// Qt 4's QScrollBar::setRange isn't a slot. We can't wrap this in
//#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
// because Qt 4's MOC doesn't support macros.
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:
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_;
int selected_pos_;
};
#endif // __OVERLAY_SCROLL_BAR_H__
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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