89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/* overlay_scroll_bar.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later*/
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#ifndef __OVERLAY_SCROLL_BAR_H__
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#define __OVERLAY_SCROLL_BAR_H__
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#include <QScrollBar>
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#include <QProxyStyle>
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class OverlayScrollBar : public QScrollBar
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{
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Q_OBJECT
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public:
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OverlayScrollBar(Qt::Orientation orientation, QWidget * parent = 0);
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virtual ~OverlayScrollBar();
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virtual QSize sizeHint() const;
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/** Set the "near" overlay image.
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* @param overlay_image An image containing a 1:1 mapping of nearby
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* packet colors to raster lines. It should be sized in device
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* pixels.
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* @param start_pos The first packet number represented by the image.
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* -1 means no packet is selected.
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* @param end_pos The last packet number represented by the image. -1
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* means no packet is selected.
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* @param selected_pos The position of the selected packet within the
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* image. -1 means no packet is selected.
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*/
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void setNearOverlayImage(QImage &overlay_image, int packet_count = -1, int start_pos = -1, int end_pos = -1, int selected_pos = -1);
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/** Set the "far" overlay image.
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* @param mp_image An image showing the position of marked, ignored,
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* and reference time packets over the entire packet list. It
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* should be sized in device pixels.
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*/
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void setMarkedPacketImage(QImage &mp_image);
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/** The "groove" area of the child scrollbar.
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*/
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QRect grooveRect();
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public slots:
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void setChildRange(int min, int max) { child_sb_.setRange(min, max); }
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protected:
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virtual void resizeEvent(QResizeEvent * event);
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virtual void paintEvent(QPaintEvent * event);
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virtual bool eventFilter(QObject *watched, QEvent *event);
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virtual void mousePressEvent(QMouseEvent *) { /* No-op */ }
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virtual void mouseReleaseEvent(QMouseEvent * event);
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private:
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QProxyStyle* style_;
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QProxyStyle* child_style_;
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QScrollBar child_sb_;
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QImage packet_map_img_;
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QImage marked_packet_img_;
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int packet_map_width_;
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int marked_packet_width_;
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int packet_count_;
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int start_pos_;
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int end_pos_;
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int selected_pos_;
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};
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#endif // __OVERLAY_SCROLL_BAR_H__
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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