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//===========================================
// Lumina-DE source code
// Copyright (c) 2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "TerminalWidget.h"
#include <QProcessEnvironment>
#include <QDebug>
#include <QApplication>
TerminalWidget::TerminalWidget(QWidget *parent, QString dir) : QTextEdit(parent){
//Setup the text widget
this->setLineWrapMode(QTextEdit::WidgetWidth);
//this->setReadOnly(true); //the key event catch will do the process/widget forwarding
//this->setPlainText("WARNING: This utility is still incomplete and does not function properly yet");
//Create/open the TTY port
PROC = new TTYProcess(this);
qDebug() << "Open new TTY";
bool ok = PROC->start( QProcessEnvironment::systemEnvironment().value("SHELL","/bin/sh") );
qDebug() << " - opened:" << ok;
this->setEnabled(PROC->isOpen());
//Connect the signals/slots
connect(PROC, SIGNAL(readyRead()), this, SLOT(UpdateText()) );
connect(PROC, SIGNAL(aboutToClose()), this, SLOT(ShellClosed()) );
upTimer = new QTimer(this);
upTimer->setInterval(1000);
connect(upTimer, SIGNAL(timeout()), this, SLOT(UpdateText()) );
//Create/launch the QProcess
/*PROC = new QProcess(this);
PROC->setProcessChannelMode(QProcess::MergedChannels);
PROC->setProcessEnvironment(QProcessEnvironment::systemEnvironment());
PROC->setProgram( PROC->processEnvironment().value("SHELL","/bin/sh") );
PROC->setWorkingDirectory(dir);
//Connect the signals/slots
connect(PROC, SIGNAL(readyReadStandardOutput()), this, SLOT(UpdateText()) );
connect(PROC, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(ShellClosed()) );
//Now start the shell
PROC->start(QIODevice::ReadWrite);*/
upTimer->start();
}
TerminalWidget::~TerminalWidget(){
aboutToClose();
}
void TerminalWidget::aboutToClose(){
if(PROC->isOpen()){ PROC->close(); } //TTY PORT
//if(PROC->state()!=QProcess::NotRunning){ PROC->close(); PROC->kill(); } //QProcess
}
// ==================
// PRIVATE SLOTS
// ==================
void TerminalWidget::UpdateText(){
//read the data from the process
if(!PROC->isOpen()){ return; }
QByteArray data = PROC->readAll(); //TTY PORT
//QByteArray data = PROC->readAllStandardOutput(); //QProcess
if(data.length()<=0){ return; }
qDebug() << "Process Data:" << data;
this->insertPlainText(QString(data));
//adjust the scrollbar as needed
}
void TerminalWidget::ShellClosed(){
emit ProcessClosed(this->whatsThis());
}
// ==================
// PROTECTED
// ==================
void TerminalWidget::keyPressEvent(QKeyEvent *ev){
//Check for special key combinations first
QString txt = ev->text();
if(txt.isEmpty()){ return; } // modifier key - nothing to send yet
switch(ev->key()){
//case Qt::Key_Backspace:
case Qt::Key_Left:
case Qt::Key_Right:
case Qt::Key_Up:
case Qt::Key_Down:
break;
/*case Qt::Key_Return:
case Qt::Key_Enter:
txt = "\r";*/
default:
//All other events can get echoed onto the widget (non-movement)
QTextEdit::keyPressEvent(ev); //echo the input on the widget
}
QByteArray ba; ba.append(txt); //avoid any byte conversions
qDebug() << "Forward Input:" << txt << ev->key();
PROC->write(ba);
}
void TerminalWidget::mousePressEvent(QMouseEvent *ev){
this->setFocus();
Q_UNUSED(ev);
}
void TerminalWidget::mouseDoubleClickEvent(QMouseEvent *ev){
Q_UNUSED(ev);
}
void TerminalWidget::contextMenuEvent(QContextMenuEvent *ev){
Q_UNUSED(ev);
}
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