qt开发环境 - 丑陋的串口助手

qt版本：5.9.1

win版本：10.1706

本助手改自qt自带exmple中的terminal，去掉console相关内容，加入button textbowser textedit，只改变了mainwindow

下面是代码

/****************************************************************************
**
** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/#ifndef MAINWINDOW_H
#define MAINWINDOW_H#include <QtCore/QtGlobal>#include <QMainWindow>#include <QtSerialPort/QSerialPort>QT_BEGIN_NAMESPACEclass QLabel;namespace Ui {
class MainWindow;
}QT_END_NAMESPACEclass Console;
class SettingsDialog;class MainWindow : public QMainWindow
{Q_OBJECTpublic:explicit MainWindow(QWidget *parent = nullptr);~MainWindow();private slots:void openSerialPort();void closeSerialPort();void about();void writeData(const QByteArray &data);void readData();void handleError(QSerialPort::SerialPortError error);void on_pushButton_clicked();void clearTextBrowser();
private:void initActionsConnections();private:void showStatusMessage(const QString &message);Ui::MainWindow *ui;QLabel *status;Console *console;SettingsDialog *settings;QSerialPort *serial;
};#endif // MAINWINDOW_H

/****************************************************************************
**
** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/#include "mainwindow.h"
#include "ui_mainwindow.h"
//#include "console.h"
#include "settingsdialog.h"#include <QMessageBox>
#include <QLabel>
#include <QtSerialPort/QSerialPort>//! [0]
MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
{
//! [0]ui->setupUi(this);
//    console = new Console;
//    console->setEnabled(false);
//    setCentralWidget(console);
//! [1]serial = new QSerialPort(this);
//! [1]settings = new SettingsDialog;ui->actionConnect->setEnabled(true);ui->actionDisconnect->setEnabled(false);ui->actionQuit->setEnabled(true);ui->actionConfigure->setEnabled(true);status = new QLabel;ui->statusBar->addWidget(status);initActionsConnections();connect(serial, static_cast<void (QSerialPort::*)(QSerialPort::SerialPortError)>(&QSerialPort::error),this, &MainWindow::handleError);//! [2]connect(serial, &QSerialPort::readyRead, this, &MainWindow::readData);
//! [2]
//    connect(console, &Console::getData, this, &MainWindow::writeData);
//! [3]
}
//! [3]MainWindow::~MainWindow()
{delete settings;delete ui;
}//! [4]
void MainWindow::openSerialPort()
{SettingsDialog::Settings p = settings->settings();serial->setPortName(p.name);serial->setBaudRate(p.baudRate);serial->setDataBits(p.dataBits);serial->setParity(p.parity);serial->setStopBits(p.stopBits);serial->setFlowControl(p.flowControl);if (serial->open(QIODevice::ReadWrite)) {
//        console->setEnabled(true);
//        console->setLocalEchoEnabled(p.localEchoEnabled);ui->actionConnect->setEnabled(false);ui->actionDisconnect->setEnabled(true);ui->actionConfigure->setEnabled(false);showStatusMessage(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 {QMessageBox::critical(this, tr("Error"), serial->errorString());showStatusMessage(tr("Open error"));}
}
//! [4]//! [5]
void MainWindow::closeSerialPort()
{if (serial->isOpen())serial->close();
//    console->setEnabled(false);ui->actionConnect->setEnabled(true);ui->actionDisconnect->setEnabled(false);ui->actionConfigure->setEnabled(true);showStatusMessage(tr("Disconnected"));
}
//! [5]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."));
}//! [6]
void MainWindow::writeData(const QByteArray &data)
{serial->write(data);
}
//! [6]//! [7]
void MainWindow::readData()
{
//    QByteArray data = serial->readAll();//    console->putData(data);QByteArray temp = serial->readAll();QString buf;if(!temp.isEmpty()){buf = temp;ui->textBrowser->setText(ui->textBrowser->document()->toPlainText() + buf);ui->textBrowser->moveCursor(QTextCursor::End);}}
//! [7]//! [8]
void MainWindow::handleError(QSerialPort::SerialPortError error)
{if (error == QSerialPort::ResourceError) {QMessageBox::critical(this, tr("Critical Error"), serial->errorString());closeSerialPort();}
}
//! [8]void MainWindow::initActionsConnections()
{connect(ui->actionConnect, &QAction::triggered, this, &MainWindow::openSerialPort);connect(ui->actionDisconnect, &QAction::triggered, this, &MainWindow::closeSerialPort);connect(ui->actionQuit, &QAction::triggered, this, &MainWindow::close);connect(ui->actionConfigure, &QAction::triggered, settings, &SettingsDialog::show);connect(ui->actionClear, &QAction::triggered, this, &MainWindow::clearTextBrowser);connect(ui->actionAbout, &QAction::triggered, this, &MainWindow::about);connect(ui->actionAboutQt, &QAction::triggered, qApp, &QApplication::aboutQt);
}void MainWindow::showStatusMessage(const QString &message)
{status->setText(message);
}void MainWindow::on_pushButton_clicked()
{serial->write(ui->textEdit->toPlainText().toLatin1());
}void MainWindow::clearTextBrowser()
{ui->textBrowser->setText(NULL);
}

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