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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 BYTE_VIEW_TEXT_H
#define BYTE_VIEW_TEXT_H
#include <config.h>
#include "ui/recent.h"
#include <QAbstractScrollArea>
#include <QFont>
#include <QVector>
#include <QMenu>
#include <QSize>
#include <QString>
#include <QTextLayout>
#include <QVector>
#include <ui/qt/utils/data_printer.h>
#include <ui/qt/utils/idata_printable.h>
// XXX - Is there any reason we shouldn't add ByteViewImage, etc?
class ByteViewText : public QAbstractScrollArea, public IDataPrintable
{
Q_OBJECT
Q_INTERFACES(IDataPrintable)
public:
explicit ByteViewText(const QByteArray &data, packet_char_enc encoding = PACKET_CHAR_ENC_CHAR_ASCII, QWidget *parent = 0);
~ByteViewText();
virtual QSize minimumSizeHint() const;
void setFormat(bytes_view_type format);
bool isEmpty() const;
signals:
void byteHovered(int pos);
void byteSelected(int pos);
void byteViewSettingsChanged();
public slots:
void setMonospaceFont(const QFont &mono_font);
void updateByteViewSettings();
void detachData();
void markProtocol(int start, int length);
void markField(int start, int length, bool scroll_to = true);
void markAppendix(int start, int length);
void unmarkField();
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:
// Text highlight modes.
typedef enum {
ModeNormal,
ModeField,
ModeProtocol,
ModeOffsetNormal,
ModeOffsetField,
ModeNonPrintable
} HighlightMode;
QTextLayout *layout_;
QByteArray data_;
void updateLayoutMetrics();
int stringWidth(const QString &line);
void drawLine(QPainter *painter, const int offset, const int row_y);
bool addFormatRange(QList<QTextLayout::FormatRange> &fmt_list, int start, int length, HighlightMode mode);
bool addHexFormatRange(QList<QTextLayout::FormatRange> &fmt_list, int mark_start, int mark_length, int tvb_offset, int max_tvb_pos, HighlightMode mode);
bool addAsciiFormatRange(QList<QTextLayout::FormatRange> &fmt_list, int mark_start, int mark_length, int tvb_offset, int max_tvb_pos, HighlightMode mode);
void scrollToByte(int byte);
void updateScrollbars();
int byteOffsetAtPixel(QPoint pos);
void createContextMenu();
void updateContextMenu();
int offsetChars(bool include_pad = true);
int offsetPixels();
int hexPixels();
int asciiPixels();
int totalPixels();
const QByteArray printableData() { return data_; }
static const int separator_interval_;
// Colors
QColor offset_normal_fg_;
QColor offset_field_fg_;
// Data
packet_char_enc encoding_; // ASCII or EBCDIC
QMenu ctx_menu_;
// Data highlight
int hovered_byte_offset_;
int marked_byte_offset_;
int proto_start_;
int proto_len_;
int field_start_;
int field_len_;
int field_a_start_;
int field_a_len_;
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?
int row_width_; // Number of bytes per line
int em_width_; // Single character width and text margin. NOTE: Use fontMetrics::width for multiple characters.
int line_height_; // Font line spacing
QList<QRect> hover_outlines_; // Hovered byte outlines.
bool allow_hover_selection_;
// Data selection
QVector<int> x_pos_to_column_;
// Context menu actions
QAction *action_allow_hover_selection_;
QAction *action_bytes_hex_;
QAction *action_bytes_dec_;
QAction *action_bytes_oct_;
QAction *action_bytes_bits_;
QAction *action_bytes_enc_from_packet_;
QAction *action_bytes_enc_ascii_;
QAction *action_bytes_enc_ebcdic_;
private slots:
void copyBytes(bool);
void setHexDisplayFormat(QAction *action);
void setCharacterEncoding(QAction *action);
void toggleHoverAllowed(bool);
};
#endif // BYTE_VIEW_TEXT_H
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