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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/launch the process
PROC = new QProcess(this);
PROC->setProcessEnvironment(QProcessEnvironment::systemEnvironment());
PROC->setWorkingDirectory(dir);
PROC->setProcessChannelMode(QProcess::MergedChannels);
//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( PROC->processEnvironment().value("SHELL","/bin/sh"), QIODevice::ReadWrite);
}
TerminalWidget::~TerminalWidget(){
}
void TerminalWidget::aboutToClose(){
if(PROC->state()!=QProcess::NotRunning){ PROC->close(); }
if(PROC->state()!=QProcess::NotRunning){ PROC->kill(); }
if(PROC->state()!=QProcess::NotRunning){ PROC->terminate(); }
}
// ==================
// PRIVATE SLOTS
// ==================
void TerminalWidget::UpdateText(){
while(PROC->canReadLine()){
QString line = PROC->readLine();
this->insertPlainText( line );
}
}
void TerminalWidget::ShellClosed(){
emit ProcessClosed(this->whatsThis());
}
// ==================
// PROTECTED
// ==================
void TerminalWidget::keyPressEvent(QKeyEvent *ev){
//The way this works is by printing the keys directly to the text edit widget
// While also keeping an internal "buffer" of the input string so it can all be written to the process at the same time
QString key = ev->text();
//Check for special key combinations first
switch(ev->key()){
case Qt::Key_Enter:
case Qt::Key_Return:
//send the current input buffer to the process
qDebug() << "Write to process:" << inBuffer;
this->insertPlainText("\n");
PROC->write( QString(inBuffer+"\n").toLocal8Bit() );
inBuffer.clear();
qDebug() << "Current Dir:" << PROC->workingDirectory();
break;
case Qt::Key_Backspace:
inBuffer.chop(1);
break;
default:
this->insertPlainText(key);
inBuffer.append(key);
}
ev->ignore();
}
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