整理代码进行开源。删除了商业对比代码和注册代码，除此以外，其余功能全部保留。

CmpareMode.h

@@ -0,0 +1,92 @@
+#pragma once
+#include <qobject.h>
+#include<QVector>
+#include<QMap>
+#include <QFuture>
+
+#include <functional>
+#include "rcglobal.h"
+#include "Encode.h"
+
+
+class BlockUserData;
+class QFile;
+
+
+const int LEFT = 0;
+const int RIGHT = 1;
+
+//对比bin二进制文件。
+const int MAX_BIN_SIZE = 1024 * 1024 * 10; //最大10M
+
+typedef void(* CALL_FUNC)(void *, uchar *, int);
+
+typedef struct lineFileInfo_ {
+	qint32 lineNums; //行号码
+	bool isLcsExist;//是否属于lcsline的一部分
+	bool isEmptyLine; //是否是空白行，只包含换行符的行
+	int code; //该行的字符编码
+	int lineEndFormat; //行尾：见RC_LINE_FORM
+	QByteArray md4;
+	QString unicodeStr; //这个是包含行尾的换行符的
+	lineFileInfo_()
+	{
+		isLcsExist = false;
+		isEmptyLine = false;
+		code = UNKOWN;
+		lineEndFormat = UNKNOWN_LINE;
+	}
+}LineFileInfo;
+
+
+
+const int EMPTY_FILE = 0;
+const int SCAN_SUCCESS = 1;
+
+class CmpareMode;
+
+typedef struct ThreadFileCmpParameter_ {
+	QString leftPath;
+	QString rightPath;
+	CmpareMode *resultCmpObj;
+
+	ThreadFileCmpParameter_(QString leftPath_, QString rightPath_)
+	{
+		leftPath = leftPath_;
+		rightPath = rightPath_;
+		resultCmpObj = nullptr;
+	}
+
+}ThreadFileCmpParameter;
+
+class CmpareMode :public QObject
+{
+	Q_OBJECT
+public:
+	CmpareMode();
+	virtual ~CmpareMode();
+
+	static CODE_ID readLineFromFile(uchar * m_fileFpr, const int fileLength, const CODE_ID fileCode, QList<LineFileInfo>& lineInfoVec, QList<LineFileInfo>& blankLineInfoVec, int mode, int& maxLineSize);
+	static CODE_ID judgeFinalTextCode(CODE_ID code, bool isExistUnKownCode, bool isExistGbk, bool isExistUtf8);
+	static CODE_ID readLineFromFile(uchar * m_fileFpr, const int fileLength, const CODE_ID fileCode, QList<LineFileInfo>& lineInfoVec,int& maxLineSize, int& charsNums, bool &isMaybeHexFile);
+
+	static CODE_ID scanFileRealCode(QString filePath);
+	static CODE_ID scanFileOutPut(CODE_ID code, QString filePath, QList<LineFileInfo>& outputLineInfoVec, int & maxLineSize, int & charsNums, bool &isHexFile);
+
+
+	inline QList<LineFileInfo>* getLeftLineInfo();
+	inline QList<LineFileInfo>* getRightLineInfo();
+
+
+	void getLines(RC_DIRECTION direction, QList<LineFileInfo>& lines);
+	void getLinesExternInfo(QList<BlockUserData*>*& leftExternBlockInfo, QList<BlockUserData*>*& rightExternBlockInfo);
+
+private:
+
+	static bool recognizeTextCode(QByteArray & text, LineFileInfo & lineInfo, QString & outUnicodeText);
+	static CODE_ID getTextFileEncodeType(uchar* fileFpr, int fileLength, QString filePath);
+	CODE_ID static readLineFromFileWithUnicodeLe(uchar* m_fileFpr, const int fileLength, QList<LineFileInfo>& lineInfoVec, QList<LineFileInfo>& blankLineInfoVec,int mode, int &maxLineSize);
+
+	
+};
+

Encode.cpp

@@ -0,0 +1,399 @@
+#include "Encode.h"
+#include <QTextCodec>
+#include <QtDebug>
+
+/* 检查字符串编码的类。看了大量文献，结论如下：
+*如果是UTF BOM格式，或者UNICODE格式，其文件头部前几个字节（2-3）有一定的标识。由此标识直接按对应编码处理。
+*如果没有标识，默认就是UTF8(NO BOM) 与 ANSI(现在只考虑GBK）进行对比。
+*此时需要做统计分析。对所有行进行UTF8解析，如果按照UTF8解析错位再按照GBK解析。如果解析出GBK那么大概率认为文件是GBK编码的。
+*/
+
+Encode::Encode()
+{
+
+}
+
+Encode::~Encode()
+{
+
+}
+
+CODE_ID Encode::getCodeByName(QString name)
+{
+	CODE_ID id;
+
+	if (name == "unknown")
+	{
+		id = CODE_ID::UNKOWN;
+	}
+	else if (name == "UTF16-LE")
+	{
+		id = CODE_ID::UNICODE_LE;
+	}
+	else if (name == "UTF16-BE")
+	{
+		id = CODE_ID::UNICODE_BE;
+	}
+	else if (name == "UTF8")
+	{
+		id = CODE_ID::UTF8_NOBOM;
+	}
+	else if (name == "UTF8-BOM")
+	{
+		id = CODE_ID::UTF8_BOM;
+	}
+	else if (name == "GBK")
+	{
+		id = CODE_ID::GBK;
+	}
+	else if (name == "EUC-JP")
+	{
+		id = CODE_ID::EUC_JP;
+	}
+	else if (name == "Shift-JIS")
+	{
+		id = CODE_ID::Shift_JIS;
+	}
+	else if (name == "EUC-KR")
+	{
+		id = CODE_ID::EUC_KR;
+	}
+	else if (name == "KOI8-R")
+	{
+		id = CODE_ID::KOI8_R;
+	}
+	else if (name == "TSCII")
+	{
+		id = CODE_ID::TSCII;
+	}
+	else if (name == "TIS-620")
+	{
+		id = CODE_ID::TIS_620;
+	}
+	else
+	{
+		id = CODE_ID::UNKOWN;
+	}
+
+	return id;
+
+}
+
+QString Encode::getLineEndById(RC_LINE_FORM id)
+{
+	QString ret;
+
+	switch (id)
+	{
+	case PAD_LINE:
+	case UNKNOWN_LINE:
+#ifdef WIN32
+		ret = "Windows(CR LF)";
+#else
+		ret = "Unix(LF)";
+#endif
+		ret = "NULL";
+		break;
+	case UNIX_LINE:
+		ret = "Unix(LF)";
+		break;
+	case DOS_LINE:
+		ret = "Windows(CR LF)";
+		break;
+	case MAC_LINE:
+		ret = "Mac(CR)";
+		break;
+	default:
+		break;
+	}
+	return  ret;
+}
+
+QString Encode::getCodeNameById(CODE_ID id)
+{
+	QString ret;
+
+	switch (id)
+	{
+	case UNKOWN:
+		ret = "unknown";
+		break;
+	case ANSI:
+		ret = "unknown";
+		break;
+	case UNICODE_LE:
+		ret = "UTF16-LE";
+		break;
+	case UNICODE_BE:
+		ret = "UTF16-BE";
+		break;
+	case UTF8_NOBOM:
+		ret = "UTF8";
+		break;
+	case UTF8_BOM:
+		ret = "UTF8-BOM";
+		break;
+	case GBK:
+		ret = "GBK";
+		break;
+	case EUC_JP:
+		ret = "EUC-JP";
+		break;
+	case Shift_JIS:
+		ret = "Shift-JIS";
+		break;
+	case EUC_KR:
+		ret = "EUC-KR";
+		break;
+	case KOI8_R:
+		ret = "KOI8-R";
+		break;
+	case TSCII:
+		ret = "TSCII";
+		break;
+	case TIS_620:
+		ret = "TIS-620";
+		break;
+	default:
+		ret = "unknown";
+		break;
+	}
+
+	return ret;
+}
+
+QByteArray Encode::getEncodeStartFlagByte(CODE_ID code)
+{
+	QByteArray ret;
+
+	switch (code)
+	{
+		case UNICODE_LE:
+		{
+			ret.append((char)0xFF);
+			ret.append((char)0xFE);
+		}
+		break;
+
+		case UNICODE_BE:
+		{
+		ret.append((char)0xFE);
+		ret.append((char)0xFF);
+		}
+		break;
+
+		case UTF8_BOM:
+		{
+			ret.append((char)0xEF);
+			ret.append((char)0xBB);
+			ret.append((char)0xBF);
+		}
+		break;
+
+		default:
+			break;
+	}
+
+	return ret;
+}
+
+CODE_ID Encode::DetectEncode(const uchar* pBuffer, int length, int &skip)
+{
+	if (pBuffer[0] == 0xFF && pBuffer[1] == 0xFE)
+	{
+		skip = 2;
+		return CODE_ID::UNICODE_LE; //skip 2
+	}
+	if (pBuffer[0] == 0xFE && pBuffer[1] == 0xFF)
+	{
+		skip = 2;
+		return CODE_ID::UNICODE_BE; //skip 2
+	}
+	if (pBuffer[0] == 0xEF && pBuffer[1] == 0xBB && pBuffer[2] == 0xBF)
+	{
+		skip = 3;
+		return CODE_ID::UTF8_BOM; //skip 3 with BOM
+	}
+
+	// 不能知道是不是UTF8
+	CODE_ID code = CheckUnicodeWithoutBOM(pBuffer, length);
+
+	skip = 0;
+	return code; //skip 0
+
+}
+
+bool Encode::tranGbkToUNICODE(const char* pText, int length, QString &out)
+{
+	QTextCodec::ConverterState state;
+	
+	QTextCodec *codec = QTextCodec::codecForName("GBK");
+	out = codec->toUnicode((const char *)pText, length, &state);
+	if (state.invalidChars > 0) {
+		return false;
+	}
+	return true;
+}
+
+bool Encode::tranUtf8ToUNICODE(const char* pText, int length, QString &out)
+{
+	QTextCodec::ConverterState state;
+
+	QTextCodec *codec = QTextCodec::codecForName("UTF-8");
+	out = codec->toUnicode((const char *)pText, length, &state);
+	if (state.invalidChars > 0) {
+		return false;
+	}
+	return true;
+}
+
+//与getCodeNameById类似，但是返回的是QT系统支持的编码的字符串名称
+QString Encode::getQtCodecNameById(CODE_ID id)
+{
+	QString ret;
+
+	switch (id)
+	{
+	case UNKOWN:
+	case ANSI:
+		ret = "unknown";
+		break;
+	case UNICODE_LE:
+		ret = "UTF16-LE";
+		break;
+	case UNICODE_BE:
+		ret = "UTF16-BE";
+		break;
+	case UTF8_NOBOM://qt没有这种
+	case UTF8_BOM:
+		ret = "UTF8";
+		break;
+	case GBK:
+		ret = "GBK";
+		break;
+	case EUC_JP:
+		ret = "EUC-JP";
+		break;
+	case Shift_JIS:
+		ret = "Shift-JIS";
+		break;
+	case EUC_KR:
+		ret = "EUC-KR";
+		break;
+	case KOI8_R:
+		ret = "KOI8-R";
+		break;
+	case TSCII:
+		ret = "TSCII";
+		break;
+	case TIS_620:
+		ret = "TIS-620";
+		break;
+	default:
+		ret = "unknown";
+		break;
+	}
+
+	return ret;
+}
+
+//将指定编码的字符串转换到unicode
+bool Encode::tranStrToUNICODE(CODE_ID code, const char* pText, int length, QString &out)
+{
+	if (length < 0)
+	{
+		return false;
+	}
+
+	QTextCodec::ConverterState state;
+	QTextCodec *codec = nullptr;
+
+	QString textCodeName = getQtCodecNameById(code);
+	if (textCodeName.isEmpty() || textCodeName == "unknown")
+	{
+		//对于其它非识别编码，统一转换为utf8。减去让用户选择的麻烦
+		//这里其实是有问题的。先这样简单处理
+		codec = QTextCodec::codecForName("UTF-8");
+	}
+	else
+	{
+		codec = QTextCodec::codecForName(textCodeName.toStdString().c_str());
+	}
+	
+	if (codec == nullptr)
+	{
+		return false;
+	}
+
+	out = codec->toUnicode((const char *)pText, length, &state);
+	if (state.invalidChars > 0) {
+		return false;
+	}
+	return true;
+}
+
+/* 这里其实是穷举字符串的字符编码；ASNI utf8。目前只检测GBK和utf8;其它语种没有穷举
+*GB2312 GBK GB18030 三种差别见https://cloud.tencent.com/developer/article/1343240
+*关于编码的详细说明，见https://blog.csdn.net/libaineu2004/article/details/19245205
+*/
+//这里是有限检查utf8的，如果出现gbk，说明一定不是utf8，因为utf8检查到错误码。
+CODE_ID Encode::CheckUnicodeWithoutBOM(const uchar* pText, int length)
+{
+	QTextCodec::ConverterState state;
+	QTextCodec *codec = QTextCodec::codecForName("UTF-8");
+	const QString text = codec->toUnicode((const char *)pText, length, &state);
+	if (state.invalidChars > 0) {
+		/*不是UTF-8格式的文件，这里优先判断是不是UTF8，再判断是不是GBK；我们先做中文版；如果后续要做
+		*国际版，其实不应该只检查GBK，而是应该检查本地ASCI码，包括ascii码*/
+		QTextCodec::ConverterState state1;
+		QTextCodec *codec1 = QTextCodec::codecForName("GBK");
+		codec1->toUnicode((const char *)pText, length, &state1);
+		if (state1.invalidChars > 0) {
+			return CODE_ID::ANSI;
+		}
+		else
+		{
+			return CODE_ID::GBK;
+		}
+	}
+
+	return CODE_ID::UTF8_NOBOM;
+}
+
+CODE_ID Encode::CheckUnicodeWithoutBOM(const uchar* pText, int length, QString &outUnicodeText)
+{
+	QTextCodec::ConverterState state;
+	QTextCodec *codec = QTextCodec::codecForName("UTF-8");
+	outUnicodeText = codec->toUnicode((const char *)pText, length, &state);
+	if (state.invalidChars > 0) {
+		/*不是UTF-8格式的文件，这里优先判断是不是UTF8，再判断是不是GBK；我们先做中文版；如果后续要做
+		*国际版，其实不应该只检查GBK，而是因为检查本地ASCI码，包括ascii码*/
+		QTextCodec::ConverterState state1;
+		QTextCodec *codec1 = QTextCodec::codecForName("GBK");
+		QString gbkStr = codec1->toUnicode((const char *)pText, length, &state1);
+		if (state1.invalidChars > 0) {
+			//如果也不是gbk，姑且按照utf8直接返回
+			return CODE_ID::ANSI;
+		}
+		else
+		{
+			outUnicodeText = gbkStr;
+			return CODE_ID::GBK;
+		}
+	}
+
+	return CODE_ID::UTF8_NOBOM;
+}
+
+//检查是否全是ascii字符码
+bool Encode::CheckTextIsAllAscii(const uchar* pText, int length)
+{
+	for (int i = 0; i < length; ++i)
+	{
+		if (*(pText + i) < 0 || *(pText + i) > 0x7F)
+		{
+			return false;
+		}
+	}
+	return true;
+}

Encode.h

@@ -0,0 +1,26 @@
+#pragma once
+#include <QtGlobal>
+
+//#define GBK_
+#include "rcglobal.h"
+
+
+class Encode
+{
+public:
+	Encode();
+	~Encode();
+	static CODE_ID getCodeByName(QString name);
+	static QString getLineEndById(RC_LINE_FORM id);
+	static QString getCodeNameById(CODE_ID id);
+	static QByteArray getEncodeStartFlagByte(CODE_ID code);
+	static CODE_ID DetectEncode(const uchar* pBuffer, int length,int &skip);
+	static bool tranGbkToUNICODE(const char* pText, int length, QString &out);
+	static bool tranUtf8ToUNICODE(const char * pText, int length, QString & out);
+	static QString getQtCodecNameById(CODE_ID id);
+	static bool tranStrToUNICODE(CODE_ID code, const char * pText, int length, QString & out);
+	static CODE_ID CheckUnicodeWithoutBOM(const uchar * pText, int length);
+	static CODE_ID CheckUnicodeWithoutBOM(const uchar * pText, int length, QString & outUnicodeText);
+	static bool CheckTextIsAllAscii(const uchar * pText, int length);
+};
+

MediatorDisplay.cpp

@@ -0,0 +1,130 @@
+#include "MediatorDisplay.h"
+
+
+//这里如果直接让左右互相同步，互相影响，可能导致混乱。需要一个中间调停者模式，作为中间人去控制同步消息
+//中介者模式意图：用一个中介对象来封装一系列的对象交互，中介者使各对象不需要显式地相互引用，从而使其耦合松散，而且可以独立地改变它们之间的交互。
+//主要解决：对象与对象之间存在大量的关联关系，这样势必会导致系统的结构变得很复杂，同时若一个对象发生改变，我们也需要跟踪与之相关联的对象，同时做出相应的处理。
+//之前不使用该模式时，左右显示同步互相交互，时而发生消息混乱
+
+MediatorDisplay::MediatorDisplay():QObject(nullptr)
+{
+	m_leftLineNum = 0;
+	m_rightLineNum = 0;
+	m_leftScrollValue = 0;
+	m_rightScrollValue = 0;
+
+}
+
+MediatorDisplay::~MediatorDisplay()
+{
+}
+
+void MediatorDisplay::setLeftNum(int value)
+{
+	 m_leftLineNum = value;
+	 if (m_leftLineNum != m_rightLineNum)
+	 {
+		 emit syncCurLineNum(0);
+	 }
+	
+}
+
+void MediatorDisplay::setRightNum(int value)
+{
+	m_rightLineNum = value;
+	if (m_leftLineNum != m_rightLineNum)
+	{
+		emit syncCurLineNum(1);
+	}
+}
+
+int MediatorDisplay::getLeftNum()
+{
+	return m_leftLineNum;
+}
+
+int MediatorDisplay::getRightNum()
+{
+	return m_rightLineNum;
+}
+
+void MediatorDisplay::setLeftScrollValue(int value)
+{
+	if (m_leftScrollValue != value)
+	{
+		m_leftScrollValue = value;
+	}
+	
+
+	//如果左右不相等，则推动对方去同步
+	if (m_leftScrollValue != m_rightScrollValue)
+	{
+		emit syncCurScrollValue(0);
+	}
+
+}
+
+void MediatorDisplay::setRightScrollValue(int value)
+{
+	if (m_rightScrollValue != value)
+	{
+		m_rightScrollValue = value;
+	}
+	
+
+	if (m_leftScrollValue != m_rightScrollValue)
+	{
+		emit syncCurScrollValue(1);
+	}
+}
+
+int MediatorDisplay::getLeftScrollValue()
+{
+	return m_leftScrollValue;
+}
+
+int MediatorDisplay::getRightScrollValue()
+{
+	return m_rightScrollValue;
+}
+
+
+void MediatorDisplay::setLeftScrollXValue(int value)
+{
+	if (m_leftScrollXValue != value)
+	{
+		m_leftScrollXValue = value;
+	}
+
+
+	//如果左右不相等，则推动对方去同步
+	if (m_leftScrollXValue != m_rightScrollXValue)
+	{
+		emit syncCurScrollXValue(0);
+	}
+
+}
+
+void MediatorDisplay::setRightScrollXValue(int value)
+{
+	if (m_rightScrollXValue != value)
+	{
+		m_rightScrollXValue = value;
+	}
+
+
+	if (m_leftScrollXValue != m_rightScrollXValue)
+	{
+		emit syncCurScrollXValue(1);
+	}
+}
+
+int MediatorDisplay::getLeftScrollXValue()
+{
+	return m_leftScrollXValue;
+}
+
+int MediatorDisplay::getRightScrollXValue()
+{
+	return m_rightScrollXValue;
+}

MediatorDisplay.h

@@ -0,0 +1,53 @@
+#pragma once
+#include <QObject>
+
+class MediatorDisplay:public QObject
+{
+	Q_OBJECT
+public:
+	MediatorDisplay();
+	virtual ~MediatorDisplay();
+
+	void setLeftNum(int value);
+	void setRightNum(int value);
+
+	int getLeftNum();
+	int getRightNum();
+
+	void setLeftScrollValue(int value);
+	void setRightScrollValue(int value);
+
+	int getLeftScrollValue();
+	int getRightScrollValue();
+
+	void setLeftScrollXValue(int value);
+
+	void setRightScrollXValue(int value);
+
+	int getLeftScrollXValue();
+
+	int getRightScrollXValue();
+
+signals:
+	//当前行同步
+	void syncCurLineNum(int direction);
+
+	//滚动条同步
+	void syncCurScrollValue(int direction);
+
+	void syncCurScrollXValue(int direction);
+
+private:
+	//左右当前行的值
+	int m_leftLineNum;
+	int m_rightLineNum;
+
+	//左右滚动条的值
+	int m_leftScrollValue;
+	int m_rightScrollValue;
+
+	//左右滚动条的值x
+	int m_leftScrollXValue;
+	int m_rightScrollXValue;
+};
+

MediatorFileTree.cpp

@@ -0,0 +1,58 @@
+#include "MediatorFileTree.h"
+
+/* 文件夹对比界面的中介者，使用中介者是为了让消息经过中介对象统一调度，避免左右互相依赖导致交互混乱
+*/
+
+MediatorFileTree::MediatorFileTree() :QObject(nullptr)
+{
+
+}
+
+MediatorFileTree::~MediatorFileTree()
+{
+
+}
+
+void MediatorFileTree::setLeftScrollValue(int value)
+{
+	m_leftScrollValue = value;
+
+	//如果左右不相等，则推动对方去同步
+	if (m_leftScrollValue != m_rightScrollValue)
+	{
+		emit syncCurScrollValue(0);
+	}
+
+}
+
+void MediatorFileTree::setRightScrollValue(int value)
+{
+	m_rightScrollValue = value;
+
+	if (m_leftScrollValue != m_rightScrollValue)
+	{
+		emit syncCurScrollValue(1);
+	}
+}
+
+int MediatorFileTree::getLeftScrollValue()
+{
+	return m_leftScrollValue;
+}
+
+int MediatorFileTree::getRightScrollValue()
+{
+	return m_rightScrollValue;
+}
+
+
+//设置item。中介本身不保存ITEM，因为太多，发送消息给外面空间
+void MediatorFileTree::setLeftItemStatus(QString name, int status)
+{
+	emit syncExpandStatus(name, RC_LEFT, status);
+}
+
+void MediatorFileTree::setRightItemStatus(QString name, int status)
+{
+	emit syncExpandStatus(name, RC_RIGHT, status);
+}

MediatorFileTree.h

@@ -0,0 +1,32 @@
+#pragma once
+#include <qobject.h>
+#include "rcglobal.h"
+
+class MediatorFileTree :public QObject
+{
+	Q_OBJECT
+public:
+	MediatorFileTree();
+	virtual ~MediatorFileTree();
+
+	void setLeftScrollValue(int value);
+	void setRightScrollValue(int value);
+	int getLeftScrollValue();
+	int getRightScrollValue();
+
+	void setLeftItemStatus(QString name, int status);
+	void setRightItemStatus(QString name, int status);
+
+
+signals:
+	//滚动条同步
+	void syncCurScrollValue(int direction);
+
+	//同步展开和收起状态
+	void syncExpandStatus(QString name, int direction, int status);
+
+private:
+	int m_leftScrollValue;
+	int m_rightScrollValue;
+};
+

QTreeWidgetSortItem.cpp

@@ -0,0 +1,138 @@
+#include "QTreeWidgetSortItem.h"
+#include "rcglobal.h"
+
+/* 自己重新实现一个QTreeWidgetSortItem，主要是为了重载函数的排序功能，不适应默认的名字排序，而是使用
+* 每个项自带的tip字符串排序。这样做是因为对齐的时候，有些空白对齐项目，并没有名称，就会导致无法排序
+*/
+int QTreeWidgetSortItem::s_sortType = 0;
+
+bool QTreeWidgetSortItem::s_syncOrder = false;
+
+QTreeWidgetSortItem::QTreeWidgetSortItem(int type):QTreeWidgetItem(type)
+{
+
+}
+
+QTreeWidgetSortItem::QTreeWidgetSortItem(const QStringList &strings, int type):QTreeWidgetItem(strings, type)
+{
+
+}
+
+QTreeWidgetSortItem::~QTreeWidgetSortItem()
+{
+
+}
+
+bool QTreeWidgetSortItem::operator<(const QTreeWidgetItem & other) const
+{
+	if (s_sortType == 0)
+	{
+		if (!s_syncOrder) //按名称排序
+		{
+	//目录最大，放在文件前面。都是目录则按照名称排序
+	if ((type() == RC_DIR) && (other.type() == RC_DIR))
+	{
+		goto cmp_name;
+	}
+	else if ((type() == RC_DIR) && (other.type() != RC_DIR))
+	{
+		return false;
+	}
+	else if ((type() != RC_DIR) && (other.type() == RC_DIR))
+	{
+		return true;
+	}
+
+cmp_name:
+
+	QString a = this->data(0, Item_RelativePath).toString();
+	QString b = other.data(0, Item_RelativePath).toString();
+
+			return (a.compare(b, Qt::CaseInsensitive) > 0);
+}
+		else
+		{
+			//同步序号，按序号进行排序
+#if 0
+			if ((type() == RC_DIR) && (other.type() == RC_DIR))
+			{
+				QString a = this->data(0, Item_RelativePath).toString();
+				QString b = other.data(0, Item_RelativePath).toString();
+
+				return !(a.compare(b, Qt::CaseInsensitive) > 0);
+			}
+			else if ((type() == RC_DIR) && (other.type() != RC_DIR))
+			{
+				return true;
+			}
+			else if ((type() != RC_DIR) && (other.type() == RC_DIR))
+			{
+				return false;
+			}
+
+		cmp_index:
+#endif
+			//同步对方的操作。
+			int a = this->data(0, Item_Index).toInt();
+			int b = other.data(0, Item_Index).toInt();
+
+			return(a > b);
+		}
+	}
+	else if (s_sortType == 1) //按大小排序
+	{
+		//目录最大，放在文件前面。都是目录则按照名称排序
+		if ((type() == RC_DIR) && (other.type() == RC_DIR))
+		{
+
+			qint64 a = this->data(0, DIR_ITEM_MAXSIZE_FILE).toULongLong();
+			qint64 b = other.data(0, DIR_ITEM_MAXSIZE_FILE).toULongLong(); 
+
+			return(a > b);
+#if 0
+			QString a = this->data(0, Item_RelativePath).toString();
+			QString b = other.data(0, Item_RelativePath).toString();
+
+			return (a.compare(b, Qt::CaseInsensitive) > 0);
+#endif
+		}
+		else if ((type() == RC_DIR) && (other.type() != RC_DIR))
+		{
+			return false;
+		}
+		else if ((type() != RC_DIR) && (other.type() == RC_DIR))
+		{
+			return true;
+		}
+
+		int leftSize = this->text(1).toInt();
+		int rightSize = other.text(1).toInt();
+
+		return(leftSize > rightSize);
+	}
+	else if (s_sortType == 2) //by 修改日期
+	{
+		//目录最大，放在文件前面。都是目录则按照名称排序
+		if ((type() == RC_DIR) && (other.type() == RC_DIR))
+		{
+			QString a = this->data(0, Item_RelativePath).toString();
+			QString b = other.data(0, Item_RelativePath).toString();
+
+			return (a.compare(b, Qt::CaseInsensitive) > 0);
+		}
+		else if ((type() == RC_DIR) && (other.type() != RC_DIR))
+		{
+			return false;
+		}
+		else if ((type() != RC_DIR) && (other.type() == RC_DIR))
+		{
+			return true;
+		}
+
+		QString a = this->text(2);
+		QString b = other.text(2);
+
+		return(a.compare(b, Qt::CaseInsensitive) > 0);
+	}
+	return false;
+}

QTreeWidgetSortItem.h

@@ -0,0 +1,23 @@
+#pragma once
+#include <qtreewidget.h>
+class QTreeWidgetSortItem : public QTreeWidgetItem
+{
+public:
+	QTreeWidgetSortItem(int type);
+	QTreeWidgetSortItem(const QStringList &strings, int type);
+	virtual ~QTreeWidgetSortItem();
+	virtual bool operator<(const QTreeWidgetItem &other) const override;
+
+	static void setSortColumn(int index)
+	{
+		s_sortType = index;
+	}
+	static void setSyncOrder(bool v)
+	{
+		s_syncOrder = v;
+	}
+private :
+	static int s_sortType;
+	static bool s_syncOrder;
+};
+

RcTreeWidget.cpp

@@ -0,0 +1,158 @@
+#include "RcTreeWidget.h"
+#include "MediatorFileTree.h"
+
+#include <QScrollBar>
+#include <QMenu>
+#include <QProcess>
+
+RcTreeWidget::RcTreeWidget(QWidget *parent):QTreeWidget(parent), m_userAddMenu(nullptr)
+{
+
+	connect(this->verticalScrollBar(), &QScrollBar::valueChanged, this, &RcTreeWidget::slot_scrollValueChange);
+
+	//收起和伸开子项
+	connect(this, &QTreeWidget::itemCollapsed, this, &RcTreeWidget::slot_itemCollapsed);
+	connect(this, &QTreeWidget::itemExpanded, this, &RcTreeWidget::slot_itemExpanded);
+
+	setContextMenuPolicy(Qt::CustomContextMenu);  //设置枚举值
+	connect(this, &QTreeWidget::customContextMenuRequested, this, &RcTreeWidget::slot_ShowPopMenu);
+}
+
+RcTreeWidget::~RcTreeWidget()
+{
+
+}
+
+//给用户进行菜单增加的回调函数
+void RcTreeWidget::setContextUserDefineItemMenuCallBack(std::function<void(int dire,QMenu*, QTreeWidgetItem*)>* userAddMenu)
+{
+	m_userAddMenu = userAddMenu;
+}
+
+
+//右键菜单
+void RcTreeWidget::slot_ShowPopMenu(const QPoint& pos)
+{
+	QTreeWidgetItem* curItem = this->itemAt(pos);
+	if (curItem != nullptr)
+	{
+		
+		QMenu* menu = new QMenu(this);
+
+		if (m_userAddMenu != nullptr)
+		{
+			(*m_userAddMenu)(m_direction, menu, curItem);
+		}
+
+		QAction* action = menu->addAction(tr("Show File in Explorer"), this, [&]() {
+			QString path, cmd;
+
+			path = QString("%1/%2").arg(m_rootDir).arg(curItem->data(0, Qt::ToolTipRole).toString());
+			#ifdef _WIN32
+				path = path.replace("/", "\\");
+				cmd = QString("explorer.exe /select,%1").arg(path);
+			#else
+				path = path.replace("\\", "/");
+				cmd = QString("open -R %1").arg(path);
+			#endif
+				QProcess process;
+				process.startDetached(cmd);
+			});
+
+		//没有名称表示是对齐的item，不存在对应的文件，只是占位
+		if (curItem->text(0).isEmpty())
+		{
+			action->setEnabled(false);
+		}
+
+		if (menu)
+		{
+			menu->setAttribute(Qt::WA_DeleteOnClose);
+			menu->exec(QCursor::pos());
+		}
+	}
+}
+
+
+//点击收起的槽函数
+void RcTreeWidget::slot_itemCollapsed(QTreeWidgetItem *item)
+{
+	QString name = item->data(0, Qt::ToolTipRole).toString();
+	//左边变化，通知右边去改变
+	if (m_direction == RC_LEFT)
+	{
+		//通知右边去收起
+		m_mediator->setRightItemStatus(name,RC_COLLAPSED);
+	}
+	else
+	{
+		//通知左边去收起
+		m_mediator->setLeftItemStatus(name, RC_COLLAPSED);
+	}
+}
+
+//点击展开的槽函数
+void RcTreeWidget::slot_itemExpanded(QTreeWidgetItem *item)
+{
+	QString name = item->data(0, Qt::ToolTipRole).toString();
+
+	//左边变化，通知右边去改变
+	if (m_direction == RC_LEFT)
+	{
+		//右边展开
+		m_mediator->setRightItemStatus(name, RC_EXPANDED);
+	}
+	else
+	{
+		//左边收起
+		m_mediator->setLeftItemStatus(name, RC_EXPANDED);
+	}
+}
+
+void RcTreeWidget::setDirection(RC_DIRECTION direction)
+{
+	m_direction = direction;
+}
+
+void RcTreeWidget::setMediator(MediatorFileTree *mediator)
+{
+	m_mediator = mediator;
+
+}
+
+//滚动条值变化后的槽函数。一旦滚动则会出发这里，发送消息给中介，让中介去同步另外一方
+void RcTreeWidget::slot_scrollValueChange(int value)
+{
+	if (m_direction == RC_LEFT)
+	{
+		if (m_mediator->getLeftScrollValue() != value)
+		{
+			m_mediator->setLeftScrollValue(value);
+		}
+	}
+	else
+	{
+		if (m_mediator->getRightScrollValue() != value)
+		{
+			m_mediator->setRightScrollValue(value);
+		}
+	}
+}
+
+//注意，这里一旦开始调整后，又会引发滚动条值的变化
+void RcTreeWidget::setVerticalValue(int value)
+{
+	//不相等才需要设置
+	if (verticalScrollBar()->value() != value)
+	{
+		//超过最大值，只能设置为最大值
+		if (value > verticalScrollBar()->maximum())
+		{
+			verticalScrollBar()->setValue(verticalScrollBar()->maximum());
+		}
+		else
+		{
+			verticalScrollBar()->setValue(value);
+		}
+	}
+}

RcTreeWidget.h

@@ -0,0 +1,46 @@
+#pragma once
+#include <qtreewidget.h>
+#include <QPoint>
+#include <functional>
+#include <QMenu>
+
+#include "rcglobal.h"
+
+class MediatorFileTree;
+
+class RcTreeWidget :public QTreeWidget
+{
+	
+public:
+	RcTreeWidget(QWidget *parent=nullptr);
+	~RcTreeWidget();
+
+	void setContextUserDefineItemMenuCallBack(std::function<void(int dire, QMenu*, QTreeWidgetItem*)>* userAddMenu);
+
+	void setDirection(RC_DIRECTION direction);
+	void setMediator(MediatorFileTree * mediator);
+	void setVerticalValue(int value);
+
+	void setRootDir(QString dir)
+	{
+		m_rootDir = dir;
+	}
+
+	QString getRootDir()
+	{
+		return m_rootDir;
+	}
+
+public slots:
+	void slot_scrollValueChange(int value);
+	void slot_itemCollapsed(QTreeWidgetItem * item);
+	void slot_itemExpanded(QTreeWidgetItem * item);
+	void slot_ShowPopMenu(const QPoint& pos);
+private:
+	MediatorFileTree * m_mediator;
+	RC_DIRECTION m_direction;
+	QString m_rootDir;
+
+	std::function<void(int dire, QMenu*, QTreeWidgetItem*)>* m_userAddMenu;
+};
+

RealCompare.pri

@@ -0,0 +1,18 @@
+# ----------------------------------------------------
+# This file is generated by the Qt Visual Studio Tools.
+# ------------------------------------------------------
+
+# This is a reminder that you are using a generated .pro file.
+# Remove it when you are finished editing this file.
+message("You are running qmake on a generated .pro file. This may not work!")
+
+
+HEADERS += ./RealCompare.h \
+    $$PWD/diff.h \
+    ./CompareWin.h
+SOURCES += ./CompareWin.cpp \
+    ./main.cpp \
+    ./RealCompare.cpp
+FORMS += ./CompareWin.ui \
+    ./RealCompare.ui
+RESOURCES += RealCompare.qrc

RealCompare.pro

@@ -0,0 +1,84 @@
+TEMPLATE = app
+LANGUAGE = C++
+
+TARGET = Notepad--
+
+CONFIG	+= qt warn_on release
+
+QT += core gui widgets concurrent network
+
+
+HEADERS	+= *.h \
+        cceditor/ccnotepad.h \
+        cceditor/filemanager.h
+
+		
+SOURCES	+= *.cpp *.cc \
+                cceditor/ccnotepad.cpp \
+                cceditor/filemanager.cpp
+
+		
+FORMS += *.ui \
+                cceditor/ccnotepad.ui
+
+
+RESOURCES += RealCompare.qrc
+
+INCLUDEPATH	+= qscint/src
+INCLUDEPATH	+= qscint/src/Qsci
+INCLUDEPATH	+= qscint/scintilla/include
+INCLUDEPATH += cceditor
+
+DEFINES +=  QSCINTILLA_DLL
+
+TRANSLATIONS += realcompare_zh.ts
+	
+win32 {
+   if(contains(QMAKE_HOST.arch, x86_64)){
+    CONFIG(Debug, Debug|Release){
+        DESTDIR = x64/Debug
+		LIBS	+= -Lx64/Debug
+		LIBS += -lqmyedit_qt5d
+    }else{
+        DESTDIR = x64/Release
+		LIBS	+= -Lx64/Release
+		LIBS += -lqmyedit_qt5
+                QMAKE_CXXFLAGS += /openmp
+    }
+   }
+}
+unix{
+if(CONFIG(debug, debug|release)){
+          LIBS += -L/home/yzw/build/CCNotePad/lib -lprotobuf
+          LIBS += -L/home/yzw/build/CCNotePad/x64/Debug -lqmyedit_qt5
+
+QMAKE_CXXFLAGS += -fopenmp
+LIBS += -lgomp -lpthread
+    }else{
+          LIBS += -L/home/yzw/build/CCNotePad/lib -lprotobuf
+          LIBS += -L/home/yzw/build/CCNotePad/x64/Release -lqmyedit_qt5
+        DESTDIR = x64/Release
+
+        QMAKE_CXXFLAGS += -fopenmp -O2
+        LIBS += -lgomp -lpthread
+    }
+   }
+
+
+RC_FILE += RealCompare.rc
+unix
+{
+unix:!macx: LIBS += -L$$PWD/lib/ -lprotobuf
+
+INCLUDEPATH += $$PWD/.
+DEPENDPATH += $$PWD/.
+
+unix:!macx: PRE_TARGETDEPS += $$PWD/lib/libprotobuf.a
+
+unix:!macx: LIBS += -L$$PWD/x64/Release/ -lqmyedit_qt5
+
+INCLUDEPATH += $$PWD/x64/Release
+DEPENDPATH += $$PWD/x64/Release
+
+unix:!macx: PRE_TARGETDEPS += $$PWD/x64/Release/libqmyedit_qt5.a
+}

RealCompare.qrc

@@ -0,0 +1,156 @@
+<RCC>
+    <qresource prefix="/">
+        <file>Resources/img/dir.png</file>
+        <file>Resources/img/file.png</file>
+        <file>Resources/img/open.png</file>
+        <file>Resources/img/open1.png</file>
+        <file>Resources/img/save.png</file>
+        <file>Resources/img/all.png</file>
+        <file>Resources/img/same1.png</file>
+        <file>Resources/img/diff1.png</file>
+        <file>Resources/img/swap.png</file>
+        <file>Resources/img/reload.png</file>
+        <file>Resources/img/rule.png</file>
+        <file>Resources/img/left3.png</file>
+        <file>Resources/img/right3.png</file>
+        <file>Resources/img/point.png</file>
+        <file>Resources/img/main.png</file>
+        <file>Resources/img/showchar.png</file>
+        <file>Resources/img/hidechar.png</file>
+        <file>Resources/img/reload2.png</file>
+        <file>Resources/img/tran.png</file>
+        <file>Resources/img/6688.png</file>
+        <file>Resources/img/clear.png</file>
+        <file>Resources/img/undo.png</file>
+        <file>Resources/img/redo.png</file>
+        <file>Resources/edit/global/close.png</file>
+        <file>Resources/edit/global/closehover.png</file>
+        <file>Resources/edit/global/needsave.png</file>
+        <file>Resources/edit/global/noneedsave.png</file>
+        <file>Resources/edit/styleblack/closeall.png</file>
+        <file>Resources/edit/styleblack/closefile.png</file>
+        <file>Resources/edit/styleblack/crlf.png</file>
+        <file>Resources/edit/styleblack/cut.png</file>
+        <file>Resources/edit/styleblack/dircompare.png</file>
+        <file>Resources/edit/styleblack/filecompare.png</file>
+        <file>Resources/edit/styleblack/find.png</file>
+        <file>Resources/edit/styleblack/needsavebar.png</file>
+        <file>Resources/edit/styleblack/newfile.png</file>
+        <file>Resources/edit/styleblack/noneedsaveallbar.png</file>
+        <file>Resources/edit/styleblack/noneedsavebar.png</file>
+        <file>Resources/edit/styleblack/openfile.png</file>
+        <file>Resources/edit/styleblack/paste.png</file>
+        <file>Resources/edit/styleblack/redo.png</file>
+        <file>Resources/edit/styleblack/replace.png</file>
+        <file>Resources/edit/styleblack/transcode.png</file>
+        <file>Resources/edit/styleblack/undo.png</file>
+        <file>Resources/edit/styleblack/white.png</file>
+        <file>Resources/edit/styleblack/zoomin.png</file>
+        <file>Resources/edit/styleblack/zoomout.png</file>
+        <file>Resources/edit/styleblack/copy.png</file>
+        <file>Resources/edit/styleblack/needsaveallbar.png</file>
+        <file>Resources/edit/styledeepblue/closeall.png</file>
+        <file>Resources/edit/styledeepblue/closefile.png</file>
+        <file>Resources/edit/styledeepblue/copy.png</file>
+        <file>Resources/edit/styledeepblue/crlf.png</file>
+        <file>Resources/edit/styledeepblue/cut.png</file>
+        <file>Resources/edit/styledeepblue/dircompare.png</file>
+        <file>Resources/edit/styledeepblue/filecompare.png</file>
+        <file>Resources/edit/styledeepblue/find.png</file>
+        <file>Resources/edit/styledeepblue/needsaveallbar.png</file>
+        <file>Resources/edit/styledeepblue/needsavebar.png</file>
+        <file>Resources/edit/styledeepblue/newfile.png</file>
+        <file>Resources/edit/styledeepblue/noneedsaveallbar.png</file>
+        <file>Resources/edit/styledeepblue/noneedsavebar.png</file>
+        <file>Resources/edit/styledeepblue/openfile.png</file>
+        <file>Resources/edit/styledeepblue/paste.png</file>
+        <file>Resources/edit/styledeepblue/redo.png</file>
+        <file>Resources/edit/styledeepblue/replace.png</file>
+        <file>Resources/edit/styledeepblue/transcode.png</file>
+        <file>Resources/edit/styledeepblue/undo.png</file>
+        <file>Resources/edit/styledeepblue/white.png</file>
+        <file>Resources/edit/styledeepblue/zoomin.png</file>
+        <file>Resources/edit/styledeepblue/zoomout.png</file>
+        <file>Resources/edit/global/notebook.png</file>
+        <file>Resources/img/next.png</file>
+        <file>Resources/img/pre.png</file>
+        <file>Resources/edit/styledeepblue/rename.png</file>
+        <file>realcompare_zh.qm</file>
+        <file>Resources/edit/styleblack/rename.png</file>
+        <file>Resources/img/bin.png</file>
+        <file>Resources/img/info.png</file>
+        <file>Resources/edit/styledeepblue/next.png</file>
+        <file>Resources/edit/styledeepblue/pre.png</file>
+        <file>Resources/edit/styledeepblue/goto.png</file>
+        <file>Resources/edit/styledeepblue/bincmp.png</file>
+        <file>Resources/img/strict.png</file>
+        <file>Resources/img/1.png</file>
+        <file>Resources/img/2.png</file>
+        <file>Resources/img/3.png</file>
+        <file>Resources/img/4.png</file>
+        <file>Resources/img/5.png</file>
+        <file>Resources/img/6.png</file>
+        <file>Resources/img/next2.png</file>
+        <file>Resources/img/pre2.png</file>
+        <file>Resources/img/zoomin.png</file>
+        <file>Resources/img/zoomout.png</file>
+        <file>Resources/img/unequaldir.png</file>
+        <file>Resources/img/unequalfile.png</file>
+        <file>Resources/img/onlyfile.png</file>
+        <file>Resources/img/showall.png</file>
+        <file>Resources/img/diff.png</file>
+        <file>Resources/img/tolerant.png</file>
+        <file>Resources/img/needsave.png</file>
+        <file>Resources/img/break.png</file>
+        <file>Resources/img/pullopen.png</file>
+        <file>notepad/closeAll.png</file>
+        <file>notepad/closeFile.png</file>
+        <file>notepad/closeTabButton.png</file>
+        <file>notepad/closeTabButton_hover.png</file>
+        <file>notepad/closeTabButton_inact.png</file>
+        <file>notepad/closeTabButton_push.png</file>
+        <file>notepad/copy.png</file>
+        <file>notepad/cut.png</file>
+        <file>notepad/find.png</file>
+        <file>notepad/findReplace.png</file>
+        <file>notepad/indentGuide.png</file>
+        <file>notepad/invisibleChar.png</file>
+        <file>notepad/newFile.png</file>
+        <file>notepad/openFile.png</file>
+        <file>notepad/paste.png</file>
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+        <file>notepad/saveAll.png</file>
+        <file>notepad/saveFile.png</file>
+        <file>notepad/undo.png</file>
+        <file>notepad/wrap.png</file>
+        <file>notepad/zoomIn.png</file>
+        <file>notepad/zoomOut.png</file>
+        <file>notepad/savetab.png</file>
+        <file>notepad/close.png</file>
+        <file>notepad/closehover.png</file>
+        <file>notepad/cmpbin.png</file>
+        <file>notepad/cmpdir.png</file>
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+        <file>notepad/next.png</file>
+        <file>notepad/noneedsave.png</file>
+        <file>notepad/pre.png</file>
+        <file>notepad/rename.png</file>
+        <file>Resources/edit/global/ndd.ico</file>
+        <file>notepad/mark.png</file>
+        <file>notepad/sign.png</file>
+        <file>notepad/clearsign.png</file>
+        <file>notepad/autosave.png</file>
+        <file>qss/lightblue/arrow_bottom.png</file>
+        <file>qss/lightblue/add_bottom.png</file>
+        <file>qss/mystyle.qss</file>
+        <file>qss/lightbluestyle.qss</file>
+        <file>qss/lightblue/add_top.png</file>
+        <file>mac.icns</file>
+        <file>Resources/img/register.png</file>
+        <file>notepad/rightClose.png</file>
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Resources/edit/global/ndd.svg

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Resources/edit/global/notepad.svg

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Resources/edit/global/txt.svg

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Resources/edit/global/txt1.svg

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