#ifndef TERMINATORWIDGET_H
#define TERMINATORWIDGET_H
#include <QWidget>
#include <QThread>
#include <QTextCursor>
#include "TerminatorManager.h"
namespace Ui {
class TerminatorWidget;
}
class TerminatorWidget : public QWidget
{
    Q_OBJECT
public:
    explicit TerminatorWidget(QWidget *parent = 0);
    ~TerminatorWidget();
protected:
    void initControl();
protected slots:
    void slot_recvData(QByteArray byteArray);
    void slot_recvDataError(QByteArray byteArray);
private slots:
    void on_pushButton_exec_clicked();
    void on_pushButton_stop_clicked();
    void on_pushButton_clear_clicked();
private:
    Ui::TerminatorWidget *ui;
private:
    QThread *_pTerminatorManagerThread;
    TerminatorManager * _pTerminatorManager;
};
#endif // TERMINATORWIDGET_H

#ifndef TERMINATORMANAGER_H
#define TERMINATORMANAGER_H
#include <QObject>
#include <QProcess>
#include <QTextCodec>
class TerminatorManager : public QObject
{
    Q_OBJECT
public:
    explicit TerminatorManager(QObject *parent = 0);
public:
    bool getRunning() const;
    void wirte(QByteArray byteArray);
    void stop();
    void ctrlC();
signals:
    void signal_recvData(QByteArray byteArray);
    void signal_recvDataError(QByteArray byteArray);
public slots:
    void slot_start();
    void slot_stop();
protected:
    void initControl();
protected slots:
    void slot_stateChanged(QProcess::ProcessState newState);
    void slot_readyReadStandardOutput();
    void slot_readyReadStandardError();
    void slot_write(QByteArray byteArray);
    void slot_ctrlC();
private:
    bool _running;              // 是否运行
    QProcess *_pProcess;        // 进程
    QTextCodec *_pTextCodec;    // 编码，读取数据转化编码时用
};
#endif // TERMINATORMANAGER_H

#include "TerminatorManager.h"
#include <QDebug>
#include <QDateTime>
//#define LOG qDebug()<<__FILE__<<__LINE__
//#define LOG qDebug()<<__FILE__<<__LINE__<<__FUNCTION__
//#define LOG qDebug()<<__FILE__<<__LINE__<<QThread()::currentThread()
//#define LOG qDebug()<<__FILE__<<__LINE__<<QDateTime::currentDateTime().toString("yyyy-MM-dd")
#define LOG qDebug()<<__FILE__<<__LINE__<<QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss:zzz")
TerminatorManager::TerminatorManager(QObject *parent)
    : QObject(parent),
      _running(false),
      _pProcess(0),
      _pTextCodec(0)
{
    initControl();
}
bool TerminatorManager::getRunning() const
{
    return _running;
}
void TerminatorManager::wirte(QByteArray byteArray)
{
    QMetaObject::invokeMethod(this, "slot_write", Q_ARG(QByteArray, byteArray));
}
void TerminatorManager::ctrlC()
{
    QMetaObject::invokeMethod(this, "slot_ctrlC");
}
void TerminatorManager::slot_start()
{
    if(_running)
    {
        LOG << "It's already running!!!";
        return;
    }
    // 初始化子线程中的相关类
    if(!_pProcess)
    {
        _pProcess = new QProcess();
        connect(_pProcess, SIGNAL(stateChanged(QProcess::ProcessState)),
                this, SLOT(slot_stateChanged(QProcess::ProcessState)));
        connect(_pProcess, SIGNAL(readyReadStandardOutput()),
                this, SLOT(slot_readyReadStandardOutput()));
        connect(_pProcess, SIGNAL(readyReadStandardError()),
                this, SLOT(slot_readyReadStandardError()));
#ifndef LINUX
            _pProcess->start("cmd");
            _pProcess->waitForStarted();
#else
//            _pProcess->start("bash");
            _pProcess->start("sh");
            _pProcess->waitForStarted();
#endif
    }
    _running = true;
}
void TerminatorManager::slot_stop()
{
    if(!_running)
    {
        LOG << "It's not running!!!";
        return;
    }
    if(_pProcess)
    {
        _pProcess->kill();
        _pProcess->close();
        _pProcess->waitForFinished();
        _pProcess->deleteLater();
        _pProcess = 0;
    }
    _running = false;
}
void TerminatorManager::initControl()
{
    // linux下有可能获取失败
    _pTextCodec = QTextCodec::codecForName("System");
}
void TerminatorManager::slot_stateChanged(QProcess::ProcessState newState)
{
    LOG << newState;
}
void TerminatorManager::slot_readyReadStandardOutput()
{
    QByteArray byteArray = _pProcess->readAllStandardOutput();
//    QByteArray byteArray = _pProcess->readAll();
    QString str;
    // 转换为unicode
    if(_pTextCodec)
    {
        str = _pTextCodec->toUnicode(byteArray);
    }else{
        str = QString(byteArray);
    }
    emit signal_recvData(str.toUtf8());
}
void TerminatorManager::slot_readyReadStandardError()
{
    QByteArray byteArray = _pProcess->readAllStandardError();
    QString str;
    // 转换为unicode
    if(_pTextCodec)
    {
        str = _pTextCodec->toUnicode(byteArray);
    }else{
        str = QString(byteArray);
    }
    emit signal_recvDataError(str.toUtf8());
}
void TerminatorManager::slot_write(QByteArray byteArray)
{
    if(!_pProcess)
    {
        LOG << "Is't not running";
        return;
    }
    LOG << QString(byteArray);
    LOG << _pProcess;
    _pProcess->write(byteArray);
    LOG;
}
void TerminatorManager::slot_ctrlC()
{
    if(!_running)
    {
        LOG << "It's not running!!!";
        return;
    }
    slot_stop();
    slot_start();
}