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src
commands.h
1
#ifndef COMMANDS_H
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#define COMMANDS_H
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#include <QUndoCommand>
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#include "xbytearray.h"
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class
CharCommand :
public
QUndoCommand
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{
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public
:
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enum
{ Id = 1234 };
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enum
Cmd {insert,
remove
, replace};
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CharCommand(XByteArray * xData, Cmd cmd,
int
charPos,
char
newChar,
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QUndoCommand *parent=0);
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void
undo();
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void
redo();
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bool
mergeWith(
const
QUndoCommand *command);
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int
id()
const
{
return
Id; }
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private
:
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XByteArray * _xData;
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int
_charPos;
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bool
_wasChanged;
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char
_newChar;
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char
_oldChar;
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Cmd _cmd;
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};
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class
ArrayCommand :
public
QUndoCommand
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{
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public
:
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enum
Cmd {insert,
remove
, replace};
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ArrayCommand(XByteArray * xData, Cmd cmd,
int
baPos, QByteArray newBa=QByteArray(),
int
len=0,
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QUndoCommand *parent=0);
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void
undo();
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void
redo();
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private
:
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Cmd _cmd;
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XByteArray * _xData;
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int
_baPos;
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int
_len;
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QByteArray _wasChanged;
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QByteArray _newBa;
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QByteArray _oldBa;
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};
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#endif // COMMANDS_H
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