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/* byte_view_text.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 BYTE_VIEW_TEXT_H
#define BYTE_VIEW_TEXT_H
#include <config.h>
#include <epan/packet.h>
#include <epan/proto.h>
#include <epan/tvbuff.h>
#include "proto_tree.h"
#include "ui/recent.h"
#include <QAbstractScrollArea>
#include <QMenu>
class QActionGroup;
// XXX - Is there any reason we shouldn't add ByteViewImage, etc?
class ByteViewText : public QAbstractScrollArea
{
Q_OBJECT
public:
explicit ByteViewText(QWidget *parent = 0, tvbuff_t *tvb = NULL, proto_tree *tree = NULL, QTreeWidget *protoTree = NULL, packet_char_enc encoding = PACKET_CHAR_ENC_CHAR_ASCII);
~ByteViewText();
bool hasDataSource(const tvbuff_t *ds_tvb = NULL);
void setFormat(bytes_view_type format);
void setHighlightStyle(bool bold) { bold_highlight_ = bold; }
void setProtocolHighlight(int start, int end);
void setFieldHighlight(int start, int end, guint32 mask = 0, int mask_le = 0);
void setFieldAppendixHighlight(int start, int end);
bool isEmpty() { return tvb_ == NULL || proto_tree_ == NULL; }
const guint8 *dataAndLength(guint *data_len_ptr);
signals:
void byteFieldHovered(const QString &);
public slots:
void setMonospaceFont(const QFont &mono_font);
protected:
virtual void paintEvent(QPaintEvent *);
virtual void resizeEvent(QResizeEvent *);
virtual void mousePressEvent (QMouseEvent * event);
virtual void mouseMoveEvent (QMouseEvent * event);
virtual void leaveEvent(QEvent *event);
virtual void contextMenuEvent(QContextMenuEvent *event);
private:
typedef enum {
StateNormal,
StateField,
StateProtocol,
StateOffsetNormal,
StateOffsetField
} highlight_state;
void drawOffsetLine(QPainter &painter, const guint offset, const int row_y);
qreal flushOffsetFragment(QPainter &painter, qreal x, int y, highlight_state state, gboolean extra_highlight, QString &text);
void scrollToByte(int byte);
int offsetChars();
int offsetPixels();
int hexPixels();
int asciiPixels();
int totalPixels();
void updateScrollbars();
int byteOffsetAtPixel(QPoint &pos);
field_info *fieldAtPixel(QPoint &pos);
static const int separator_interval_;
tvbuff_t *tvb_;
proto_tree *proto_tree_;
QTreeWidget *tree_widget_;
// Fonts and colors
QFont mono_font_;
// QFont mono_bold_font_;
QBrush offset_normal_fg_;
QBrush offset_field_fg_;
gboolean bold_highlight_;
// Data
QActionGroup *format_actions_;
QActionGroup *encoding_actions_;
packet_char_enc encoding_; // ASCII or EBCDIC
QMenu ctx_menu_;
// Data highlight
guint hovered_byte_offset;
QPair<guint,guint> p_bound_;
QPair<guint,guint> f_bound_;
QPair<guint,guint> fa_bound_;
QPair<guint,guint> p_bound_save_;
QPair<guint,guint> f_bound_save_;
QPair<guint,guint> fa_bound_save_;
bool show_offset_; // Should we show the byte offset?
bool show_hex_; // Should we show the hex display?
bool show_ascii_; // Should we show the ASCII display?
guint row_width_; // Number of bytes per line
int one_em_; // Font character height
qreal font_width_; // Font character width
int line_spacing_; // Font line spacing
int margin_; // Text margin
// Data selection
QMap<int,int> x_pos_to_column_;
private slots:
void setHexDisplayFormat(QAction *action);
void setCharacterEncoding(QAction *action);
};
#endif // BYTE_VIEW_TEXT_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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