370 lines
9.8 KiB
C++
370 lines
9.8 KiB
C++
#include "mainwindow.h"
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#include <QtWebKit>
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#include <QStringList>
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#include <QWebView>
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#include <QDockWidget>
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#include <QtDebug>
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#include <QWebPage>
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#include <QProcess>
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#include <QTextEdit>
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#include <QMessageBox>
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#include <QPushButton>
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#include <QDateTime>
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#include <QProgressBar>
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#include <QTabWidget>
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#include <QLineEdit>
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#include "qtermwidget.h"
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#include "mainwindow.moc"
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#define BUFFERSIZE 2048
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#define CURRENT_TIME() QDateTime::currentDateTime().toString("dd/MM/yy hh:mm:ss")
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent),m_web(new QWebView()),m_output(new QTextEdit()),
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m_process(new QProcess(this)),
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m_logfile(0),m_logstream(0),m_numberTerminal(0)
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{
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// Graphic
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//showFullScreen();
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setWindowTitle(tr("OpenGNSys Browser"));
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setCentralWidget(m_web);
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// Output
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m_output->setReadOnly(true);
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// Button Dock
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QDockWidget* dock=new QDockWidget();
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dock->setAllowedAreas(Qt::BottomDockWidgetArea);
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QWidget* dummy=new QWidget();
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dummy->setMaximumHeight(0);
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dock->setTitleBarWidget(dummy);
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// TabWidget
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m_tabs=new QTabWidget(dock);
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QPushButton *button=new QPushButton(tr("&New Term"));
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button->setFocusPolicy(Qt::TabFocus);
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m_tabs->setCornerWidget(button);
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m_tabs->setFocusPolicy(Qt::NoFocus);
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m_tabs->addTab(m_output,tr("Output"));
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slotCreateTerminal();
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// Las pestanyas al dock
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dock->setWidget(m_tabs);
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// Y el dock al mainwindow
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addDockWidget(Qt::BottomDockWidgetArea,dock);
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// Top Dock
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dock=new QDockWidget();
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dock->setAllowedAreas(Qt::TopDockWidgetArea);
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QWidget* dummy2=new QWidget();
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dummy2->setMaximumHeight(0);
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dock->setTitleBarWidget(dummy2);
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// WebBar
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m_webBar=new QLineEdit(dock);
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// WebBar al dock
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dock->setWidget(m_webBar);
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// dock al mainwindow
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addDockWidget(Qt::TopDockWidgetArea,dock);
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// Status bar
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QStatusBar* st=statusBar();
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st->setSizeGripEnabled(false);
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m_progressBar=new QProgressBar(this);
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m_progressBar->setMinimum(0);
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m_progressBar->setMaximum(100);
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m_web->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
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// Web signals
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connect(m_web,SIGNAL(linkClicked(const QUrl&)),this,
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SLOT(slotLinkHandle(const QUrl&)));
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connect(m_web,SIGNAL(loadStarted()),this,SLOT(slotWebLoadStarted()));
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connect(m_web,SIGNAL(loadFinished(bool)),this,SLOT(slotWebLoadFinished(bool)));
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connect(m_web,SIGNAL(loadProgress(int)),this,SLOT(slotWebLoadProgress(int)));
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connect(m_web,SIGNAL(urlChanged(const QUrl&)),this,
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SLOT(slotUrlChanged(const QUrl&)));
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// Process signals
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connect(m_process,SIGNAL(started()),this,SLOT(slotProcessStarted()));
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connect(m_process,SIGNAL(finished(int,QProcess::ExitStatus)),
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this,SLOT(slotProcessFinished(int,QProcess::ExitStatus)));
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connect(m_process,SIGNAL(error(QProcess::ProcessError)),
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this,SLOT(slotProcessError(QProcess::ProcessError)));
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connect(m_process,SIGNAL(readyReadStandardOutput()),this,SLOT(slotProcessOutput()));
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connect(m_process,SIGNAL(readyReadStandardError()),
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this,SLOT(slotProcessErrorOutput()));
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// Dock signals
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connect(button,SIGNAL(clicked()),this,SLOT(slotCreateTerminal()));
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connect(m_webBar,SIGNAL(returnPressed()),this,SLOT(slotWebBarReturnPressed()));
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if(!readEnvironmentValues())
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print(tr("Any environment variable/s didn't be setted."));
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if(m_env.contains("OGLOGFILE") && m_env["OGLOGFILE"]!="")
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{
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QFile* file=new QFile(m_env["OGLOGFILE"]);
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if(!file->open(QIODevice::WriteOnly | QIODevice::Text |
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QIODevice::Append))
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{
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delete file;
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print(tr("The log file couldn't be opened: ")+m_env["OGLOGFILE"]+".");
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}
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else
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{
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m_logfile=file;
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m_logstream=new QTextStream(m_logfile);
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}
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}
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QStringList arguments=QCoreApplication::arguments();
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m_webBar->setText(arguments[1]);
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m_web->load(QUrl(arguments[1]));
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}
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MainWindow::~MainWindow()
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{
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if(m_logfile)
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{
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m_logfile->close();
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delete m_logfile;
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}
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if(m_logstream)
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delete m_logstream;
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}
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void MainWindow::slotLinkHandle(const QUrl &url)
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{
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// Si ya hay un proceso ejectuandose
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if(m_process->state()!=QProcess::NotRunning)
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{
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print(tr("There is a process running. Please wait a moment."));
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return;
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}
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QString urlString = url.toString();
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// Si es un link del tipo PROTOCOL lo ejecutamos
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if(urlString.startsWith(PROTOCOL))
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{
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urlString=urlString.remove(0,QString(PROTOCOL).length());
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QStringList list=urlString.split(" ",QString::SkipEmptyParts);
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QString program=list.takeFirst();
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m_process->setReadChannel(QProcess::StandardOutput);
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// Le ponemos el mismo entorno que tiene el browser ahora mismo
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m_process->setEnvironment(QProcess::systemEnvironment());
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m_process->start(program,list);
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print(tr("Launching the command: ")+program+" "+list.join(" ")+".");
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m_web->setEnabled(false);
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}
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else
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{
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m_web->load(url);
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}
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}
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void MainWindow::slotWebLoadStarted()
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{
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QStatusBar* st=statusBar();
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st->clearMessage();
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st->addWidget(m_progressBar,100);
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m_progressBar->show();
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m_progressBar->setFormat("%p% Loading");
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}
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void MainWindow::slotWebLoadProgress(int progress)
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{
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m_progressBar->setValue(progress);
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}
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void MainWindow::slotWebLoadFinished(bool ok)
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{
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// If any error ocurred, show a pop up
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// Sometimes when the url hasn't got a dot, i.e /var/www/pageweb,
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// the return value is always true so we check the bytes received too
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if(ok == false || m_web->page()->totalBytes() == 0)
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{
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QMessageBox msgBox;
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msgBox.setText(tr("The web page couldn't load. What do you want to do?"));
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QPushButton *reloadButton = msgBox.addButton(tr("Reload"), QMessageBox::ActionRole);
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msgBox.addButton(QMessageBox::Abort);
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msgBox.exec();
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if (msgBox.clickedButton() == reloadButton)
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{
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m_web->reload();
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}
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else
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{
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close();
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}
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}
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else
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{
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QStatusBar* st=statusBar();
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st->removeWidget(m_progressBar);
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st->showMessage(tr("Ready"));
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}
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}
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void MainWindow::slotUrlChanged(const QUrl &url)
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{
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m_webBar->setText(url.toString());
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}
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void MainWindow::slotProcessStarted()
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{
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print(tr("Launched successfully."));
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}
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void MainWindow::slotProcessOutput()
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{
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m_process->setReadChannel(QProcess::StandardOutput);
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char buf[BUFFERSIZE];
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while((m_process->readLine(buf,BUFFERSIZE) > 0))
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{
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print(tr("Proc. Output: ")+buf,false);
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}
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}
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void MainWindow::slotProcessErrorOutput()
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{
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m_process->setReadChannel(QProcess::StandardError);
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char buf[BUFFERSIZE];
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while((m_process->readLine(buf,BUFFERSIZE) > 0))
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{
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print(tr("Proc. Error: ")+buf);
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}
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}
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void MainWindow::slotProcessFinished(int code,QProcess::ExitStatus status)
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{
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if(status==QProcess::NormalExit)
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{
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print(tr("Process fisnished correctly. Return value: ")+QString::number(code));
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}
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else
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{
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print(tr("Process crashed. Output: "+code));
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}
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m_web->setEnabled(true);
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}
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void MainWindow::slotProcessError(QProcess::ProcessError error)
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{
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switch(error)
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{
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case QProcess::FailedToStart:
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print(tr("Impossible to launch the process."));
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break;
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case QProcess::WriteError:
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print(tr("Write error happened in the process."));
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break;
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case QProcess::ReadError:
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print(tr("Read error happened in the process."));
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break;
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// No capturo crashed porque la pillo por finished
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case QProcess::Crashed:
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case QProcess::Timedout:
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break;
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case QProcess::UnknownError:
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default:
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print(tr("Unknown error."));
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break;
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}
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m_web->setEnabled(true);
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}
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void MainWindow::slotCreateTerminal()
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{
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QTermWidget* console = new QTermWidget(1,this);
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QFont font = QApplication::font();
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font.setFamily("Terminus");
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font.setPointSize(12);
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console->setTerminalFont(font);
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console->setFocusPolicy(Qt::StrongFocus);
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//console->setColorScheme(COLOR_SCHEME_BLACK_ON_LIGHT_YELLOW);
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console->setScrollBarPosition(QTermWidget::ScrollBarRight);
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++m_numberTerminal;
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connect(console,SIGNAL(finished()),this,SLOT(slotDeleteTerminal()));
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QString name=tr("Term ")+QString::number(m_numberTerminal);
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m_tabs->addTab(console,name);
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}
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void MainWindow::slotDeleteTerminal()
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{
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QWidget *widget = qobject_cast<QWidget *>(sender());
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Q_ASSERT(widget);
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m_tabs->removeTab(m_tabs->indexOf(widget));
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delete widget;
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}
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void MainWindow::slotWebBarReturnPressed()
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{
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QUrl url(m_webBar->text());
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if(url.isValid())
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slotLinkHandle(url);
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}
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int MainWindow::readEnvironmentValues()
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{
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// The return value
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int ret=true;
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// Get all environment variables
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QStringList environmentlist=QProcess::systemEnvironment();
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// This is the list of the important variables
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QStringList variablelist=QString(ENVIRONMENT).split(",");
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// This is an auxiliar variable
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QStringList stringlist;
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foreach (QString str,variablelist)
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{
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// Look for the variable in the environment
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stringlist=environmentlist.filter(str+"=");
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if(stringlist.isEmpty())
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{
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m_env[str]="";
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ret=false;
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}
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else
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{
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// Get the first element and get the value part
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m_env[str]=(stringlist.first().split("="))[1];
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}
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}
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return ret;
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}
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void MainWindow::print(QString s,bool newLine)
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{
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if(newLine)
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s+="\n";
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if(m_logstream)
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*m_logstream<<CURRENT_TIME()<<": "<<s;
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if(m_output)
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m_output->insertPlainText(s);
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}
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