#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "console.h"
#include "settingsdialog.h"
#include <QMessageBox>
#include <QtSerialPort/QSerialPort>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
console = new Console;
console->setEnabled(false);
setCentralWidget(console);
serial = new QSerialPort(this);
settings = new SettingsDialog;
ui->actionConnect->setEnabled(true);
ui->actionDisconnect->setEnabled(false);
ui->actionQuit->setEnabled(true);
ui->actionConfigure->setEnabled(true);
initActionsConnections();
connect(serial, SIGNAL(error(QSerialPort::SerialPortError)), this,
SLOT(handleError(QSerialPort::SerialPortError)));
connect(serial, SIGNAL(readyRead()), this, SLOT(readData()));
connect(console, SIGNAL(getData(QByteArray)), this, SLOT(writeData(QByteArray)));
}
MainWindow::~MainWindow()
{
delete settings;
delete ui;
}
void MainWindow::openSerialPort()
{
SettingsDialog::Settings p = settings->settings();
serial->setPortName(p.name);
if (serial->open(QIODevice::ReadWrite)) {
if (serial->setBaudRate(p.baudRate)
&& serial->setDataBits(p.dataBits)
&& serial->setParity(p.parity)
&& serial->setStopBits(p.stopBits)
&& serial->setFlowControl(p.flowControl)) {
console->setEnabled(true);
console->setLocalEchoEnabled(p.localEchoEnabled);
ui->actionConnect->setEnabled(false);
ui->actionDisconnect->setEnabled(true);
ui->actionConfigure->setEnabled(false);
ui->statusBar->showMessage(tr("Connected to %1 : %2, %3, %4, %5, %6")
.arg(p.name).arg(p.stringBaudRate).arg(p.stringDataBits)
.arg(p.stringParity).arg(p.stringStopBits).arg(p.stringFlowControl));
} else {
serial->close();
QMessageBox::critical(this, tr("Error"), serial->errorString());
ui->statusBar->showMessage(tr("Open error"));
}
} else {
QMessageBox::critical(this, tr("Error"), serial->errorString());
ui->statusBar->showMessage(tr("Configure error"));
}
}
void MainWindow::closeSerialPort()
{
serial->close();
console->setEnabled(false);
ui->actionConnect->setEnabled(true);
ui->actionDisconnect->setEnabled(false);
ui->actionConfigure->setEnabled(true);
ui->statusBar->showMessage(tr("Disconnected"));
}
void MainWindow::about()
{
QMessageBox::about(this, tr("About Simple Terminal"),
tr("The <b>Simple Terminal</b> example demonstrates how to "
"use the Qt Serial Port module in modern GUI applications "
"using Qt, with a menu bar, toolbars, and a status bar."));
}
void MainWindow::writeData(const QByteArray &data)
{
serial->write(data);
}
void MainWindow::readData()
{
QByteArray data = serial->readAll();
console->putData(data);
}
void MainWindow::handleError(QSerialPort::SerialPortError error)
{
if (error == QSerialPort::ResourceError) {
QMessageBox::critical(this, tr("Critical Error"), serial->errorString());
closeSerialPort();
}
}
void MainWindow::initActionsConnections()
{
connect(ui->actionConnect, SIGNAL(triggered()), this, SLOT(openSerialPort()));
connect(ui->actionDisconnect, SIGNAL(triggered()), this, SLOT(closeSerialPort()));
connect(ui->actionQuit, SIGNAL(triggered()), this, SLOT(close()));
connect(ui->actionConfigure, SIGNAL(triggered()), settings, SLOT(show()));
connect(ui->actionClear, SIGNAL(triggered()), console, SLOT(clear()));
connect(ui->actionAbout, SIGNAL(triggered()), this, SLOT(about()));
connect(ui->actionAboutQt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
}