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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>
#include <QScrollBar>
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";
//int fd;
bool ok = PROC->startTTY( 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(processClosed()), this, SLOT(ShellClosed()) );
}
TerminalWidget::~TerminalWidget(){
aboutToClose();
}
void TerminalWidget::aboutToClose(){
if(PROC->isOpen()){ PROC->closeTTY(); } //TTY PORT
}
// ==================
// PRIVATE SLOTS
// ==================
void TerminalWidget::UpdateText(){
//read the data from the process
//qDebug() << "UpdateText";
if(!PROC->isOpen()){ return; }
QByteArray buffer = PROC->readTTY();
QString text = QString(buffer);
text.replace("\r\n","\n");
this->insertPlainText(text);
//adjust the scrollbar as needed
this->verticalScrollBar()->setValue(this->verticalScrollBar()->maximum());
}
void TerminalWidget::ShellClosed(){
emit ProcessClosed(this->whatsThis());
}
// ==================
// PROTECTED
// ==================
void TerminalWidget::keyPressEvent(QKeyEvent *ev){
if(ev->text().isEmpty() || ev->text()=="\b" ){
PROC->writeQtKey(ev->key());
}else{
QByteArray ba; ba.append(ev->text()); //avoid any byte conversions
PROC->writeTTY(ba);
}
ev->ignore();
}
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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