adding initial project layout
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240
externals/qhexedit/qhexedit.h
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externals/qhexedit/qhexedit.h
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// Original author: Winfried Simon
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// See http://code.google.com/p/qhexedit2/
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// Huge thanks!
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#ifndef QHEXEDIT_H
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#define QHEXEDIT_H
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#include <QtGui>
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#include "qhexedit_p.h"
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/** \mainpage
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QHexEdit is a binary editor widget for Qt.
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\version Version 0.6.3
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\image html hexedit.png
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*/
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/*! QHexEdit is a hex editor widget written in C++ for the Qt (Qt4) framework.
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It is a simple editor for binary data, just like QPlainTextEdit is for text
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data. There are sip configuration files included, so it is easy to create
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bindings for PyQt and you can use this widget also in python.
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QHexEdit takes the data of a QByteArray (setData()) and shows it. You can use
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the mouse or the keyboard to navigate inside the widget. If you hit the keys
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(0..9, a..f) you will change the data. Changed data is highlighted and can be
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accessed via data().
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Normaly QHexEdit works in the overwrite Mode. You can set overwriteMode(false)
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and insert data. In this case the size of data() increases. It is also possible
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to delete bytes (del or backspace), here the size of data decreases.
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You can select data with keyboard hits or mouse movements. The copy-key will
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copy the selected data into the clipboard. The cut-key copies also but delets
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it afterwards. In overwrite mode, the paste function overwrites the content of
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the (does not change the length) data. In insert mode, clipboard data will be
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inserted. The clipboard content is expected in ASCII Hex notation. Unknown
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characters will be ignored.
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QHexEdit comes with undo/redo functionality. All changes can be undone, by
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pressing the undo-key (usually ctr-z). They can also be redone afterwards.
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The undo/redo framework is cleared, when setData() sets up a new
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content for the editor. You can search data inside the content with indexOf()
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and lastIndexOf(). The replace() function is to change located subdata. This
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'replaced' data can also be undone by the undo/redo framework.
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This widget can only handle small amounts of data. The size has to be below 10
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megabytes, otherwise the scroll sliders ard not shown and you can't scroll any
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more.
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*/
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class QHexEdit : public QScrollArea
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{
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Q_OBJECT
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/*! Property data holds the content of QHexEdit. Call setData() to set the
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content of QHexEdit, data() returns the actual content.
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*/
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Q_PROPERTY(QByteArray data READ data WRITE setData)
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/*! Property addressOffset is added to the Numbers of the Address Area.
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A offset in the address area (left side) is sometimes usefull, whe you show
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only a segment of a complete memory picture. With setAddressOffset() you set
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this property - with addressOffset() you get the actual value.
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*/
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Q_PROPERTY(int addressOffset READ addressOffset WRITE setAddressOffset)
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/*! Property address area color sets (setAddressAreaColor()) the backgorund
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color of address areas. You can also read the color (addressaAreaColor()).
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*/
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Q_PROPERTY(QColor addressAreaColor READ addressAreaColor WRITE setAddressAreaColor)
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/*! Porperty cursorPosition sets or gets the position of the editor cursor
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in QHexEdit.
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*/
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Q_PROPERTY(int cursorPosition READ cursorPosition WRITE setCursorPosition)
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/*! Property highlighting color sets (setHighlightingColor()) the backgorund
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color of highlighted text areas. You can also read the color
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(highlightingColor()).
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*/
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Q_PROPERTY(QColor highlightingColor READ highlightingColor WRITE setHighlightingColor)
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/*! Property selection color sets (setSelectionColor()) the backgorund
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color of selected text areas. You can also read the color
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(selectionColor()).
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*/
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Q_PROPERTY(QColor selectionColor READ selectionColor WRITE setSelectionColor)
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/*! Porperty overwrite mode sets (setOverwriteMode()) or gets (overwriteMode()) the mode
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in which the editor works. In overwrite mode the user will overwrite existing data. The
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size of data will be constant. In insert mode the size will grow, when inserting
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new data.
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*/
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Q_PROPERTY(bool overwriteMode READ overwriteMode WRITE setOverwriteMode)
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/*! Porperty readOnly sets (setReadOnly()) or gets (isReadOnly) the mode
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in which the editor works. In readonly mode the the user can only navigate
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through the data and select data; modifying is not possible. This
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property's default is false.
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*/
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Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
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/*! Set the font of the widget. Please use fixed width fonts like Mono or Courier.*/
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Q_PROPERTY(QFont font READ font WRITE setFont)
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public:
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/*! Creates an instance of QHexEdit.
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\param parent Parent widget of QHexEdit.
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*/
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QHexEdit(QWidget *parent = 0);
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/*! Returns the index position of the first occurrence
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of the byte array ba in this byte array, searching forward from index position
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from. Returns -1 if ba could not be found. In addition to this functionality
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of QByteArray the cursorposition is set to the end of found bytearray and
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it will be selected.
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*/
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int indexOf(const QByteArray & ba, int from = 0) const;
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/*! Inserts a byte array.
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\param i Index position, where to insert
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\param ba byte array, which is to insert
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In overwrite mode, the existing data will be overwritten, in insertmode ba will be
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inserted and size of data grows.
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*/
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void insert(int i, const QByteArray & ba);
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/*! Inserts a char.
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\param i Index position, where to insert
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\param ch Char, which is to insert
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In overwrite mode, the existing data will be overwritten, in insertmode ba will be
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inserted and size of data grows.
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*/
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void insert(int i, char ch);
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/*! Returns the index position of the last occurrence
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of the byte array ba in this byte array, searching backwards from index position
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from. Returns -1 if ba could not be found. In addition to this functionality
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of QByteArray the cursorposition is set to the beginning of found bytearray and
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it will be selected.
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*/
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int lastIndexOf(const QByteArray & ba, int from = 0) const;
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/*! Removes len bytes from the content.
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\param pos Index position, where to remove
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\param len Amount of bytes to remove
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In overwrite mode, the existing bytes will be overwriten with 0x00.
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*/
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void remove(int pos, int len=1);
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/*! Replaces len bytes from index position pos with the byte array after.
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*/
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void replace( int pos, int len, const QByteArray & after);
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/*! Gives back a formatted image of the content of QHexEdit
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*/
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QString toReadableString();
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/*! Gives back a formatted image of the selected content of QHexEdit
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*/
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QString selectionToReadableString();
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/*! \cond docNever */
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void setAddressOffset(int offset);
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int addressOffset();
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void setCursorPosition(int cusorPos);
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int cursorPosition();
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void setData(QByteArray const &data);
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QByteArray data();
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void setAddressAreaColor(QColor const &color);
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QColor addressAreaColor();
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void setHighlightingColor(QColor const &color);
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QColor highlightingColor();
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void setSelectionColor(QColor const &color);
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QColor selectionColor();
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void setOverwriteMode(bool);
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bool overwriteMode();
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void setReadOnly(bool);
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bool isReadOnly();
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const QFont &font() const;
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void setFont(const QFont &);
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/*! \endcond docNever */
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public slots:
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/*! Redoes the last operation. If there is no operation to redo, i.e.
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there is no redo step in the undo/redo history, nothing happens.
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*/
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void redo();
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/*! Set the minimum width of the address area.
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\param addressWidth Width in characters.
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*/
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void setAddressWidth(int addressWidth);
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/*! Switch the address area on or off.
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\param addressArea true (show it), false (hide it).
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*/
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void setAddressArea(bool addressArea);
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/*! Switch the ascii area on or off.
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\param asciiArea true (show it), false (hide it).
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*/
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void setAsciiArea(bool asciiArea);
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/*! Switch the highlighting feature on or of.
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\param mode true (show it), false (hide it).
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*/
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void setHighlighting(bool mode);
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/*! Undoes the last operation. If there is no operation to undo, i.e.
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there is no undo step in the undo/redo history, nothing happens.
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*/
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void undo();
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signals:
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/*! Contains the address, where the cursor is located. */
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void currentAddressChanged(int address);
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/*! Contains the size of the data to edit. */
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void currentSizeChanged(int size);
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/*! The signal is emited every time, the data is changed. */
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void dataChanged();
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/*! The signal is emited every time, the overwrite mode is changed. */
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void overwriteModeChanged(bool state);
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private:
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/*! \cond docNever */
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QHexEditPrivate *qHexEdit_p;
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QHBoxLayout *layout;
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QScrollArea *scrollArea;
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/*! \endcond docNever */
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};
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#endif
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