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