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SerialWidget.cpp
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SerialWidget.cpp
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#include "SerialWidget.h"
#include "ui_SerialWidget.h"
#include <QSerialPort>
#include <QSerialPortInfo>
#include <QDebug>
#include<QTextLayout>
#include <QTextEdit>
#include <QScrollBar>
#include <QVector>
#include <QTimer>
#include <QSettings>
#include <string.h>
#define qout qDebug()
SerialWidget::SerialWidget(QWidget *parent) :
QDialog(parent),
ui(new Ui::SerialWidget)
{
minTextCurse = 0;
ui->setupUi(this);
activePort = nullptr;
ui->checkBox_caseSensitive->setCheckState(Qt::CheckState::Checked);
caseSensitive = Qt::CaseSensitive;
ui->tEdit_shell->installEventFilter(this);
ui->tEdit_shell->setHtml("<body bgcolor=\"#000000\"></body>");
ui->tEdit_shell->setTextColor("red");
ui->tEdit_shell->insertPlainText("Bottod Uart Shell V0.1\n");
ui->tEdit_shell->setFocus();
ui->checkBox_autoConect->setCheckState(Qt::CheckState::Checked);
// ui->tEdit_shell->setTextColor("red");
// history.resize(10);
quickComplets.append("@CMD.clean");
loadseting();
scanport();
minTextCurse = ui->tEdit_shell->textCursor().position();
overTimer.stop();
connect(&overTimer,SIGNAL(timeout()),this,SLOT(on_timerOver()));
// ui->tEdit_shell->setTextBackgroundColor("black");
ui->textEdit->setReadOnly(true);
ui->textEdit->setText("<font color='red' size=20><b>解决Linux中普通用户无权限访问串口设备问题</b></font>");
ui->textEdit->append("\n\n以root身份执行:\n"
"vim /etc/udev/rules.d/70-ttyusb.rules\n\n"
"内容为：\n"
R"(KERNEL=="ttyUSB[0-9]*",MODE="0666")");
}
SerialWidget::~SerialWidget()
{
saveseting();
if(activePort->isOpen())
{
activePort->clear();
activePort->close();
}
delete ui;
}
bool SerialWidget:: eventFilter(QObject* target,QEvent * event)
{
if(target == ui->tEdit_shell)
{
QTextCursor txtcur = ui->tEdit_shell->textCursor();
if(event->type()==QEvent::KeyPress)
{
if(ui->tEdit_shell->textCursor().position()< minTextCurse)
return true ;
QKeyEvent *k = static_cast<QKeyEvent *>(event);
if(k->key() == Qt::Key_Return || k->key() == Qt::Key_Enter)
{
txtcur.movePosition(QTextCursor::End,QTextCursor::MoveAnchor);
txtcur.setPosition(minTextCurse,QTextCursor::KeepAnchor);
QString msg = txtcur.selectedText();
if(history.isEmpty() || QString::compare(msg,history.back()) != 0)
history.append(msg);
if(msg.compare("@CMD.clean") == 0)
{
ui->tEdit_shell->setText("");
ui->tEdit_shell->setTextColor(ui->cBox_ColorList->currentText());
ui->tEdit_shell->setHtml("<body bgcolor=\"#000000\"></body>");
ui->tEdit_shell->append("clean");
minTextCurse = ui->tEdit_shell->textCursor().position();
// ui->tEdit_shell->setFocus();
}else
sendText(msg);
historyNum = history.size();
ui->tEdit_shell->append("");
txtcur.movePosition(QTextCursor::End,QTextCursor::MoveAnchor);
ui->tEdit_shell->setTextCursor(txtcur);
minTextCurse = ui->tEdit_shell->textCursor().position();
return true;
}else if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Up) {
QTextCursor tc = ui->tEdit_shell->textCursor();
if(history.size() == 0) return true;//如果没有历史记录,则不操作
tc.movePosition(QTextCursor::End,QTextCursor::MoveAnchor);
tc.setPosition(minTextCurse,QTextCursor::KeepAnchor);
tc.removeSelectedText();
if(historyNum == 0)
historyNum = history.size();
if(historyNum > history.size())
historyNum = 1;
ui->tEdit_shell->insertPlainText(history[historyNum-1]); //插入上一个输入的历史记录
lastTextCurse = ui->tEdit_shell->textCursor().position();
qout<<history[historyNum-1]<<"history size "<< history.length();
historyNum--;
qout<<"使用上一个记录"<<endl;
return true;
}else if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Down) {
QTextCursor tc = ui->tEdit_shell->textCursor();
if(history.size() == 0) return true;//如果没有历史记录,则不操作
tc.movePosition(QTextCursor::End,QTextCursor::MoveAnchor);
tc.setPosition(minTextCurse,QTextCursor::KeepAnchor);
tc.removeSelectedText();
if(historyNum > history.size())
historyNum = 1;
if(historyNum == 0)
historyNum = history.size();
ui->tEdit_shell->insertPlainText(history[historyNum-1]); //插入上一个输入的历史记录
lastTextCurse = ui->tEdit_shell->textCursor().position();
qout<<history[historyNum-1]<<"history size "<< history.length();
historyNum++;
qout<<"使用下一个记录"<<endl;
return true;
}else if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Tab) {
qout<<"tab"<<endl;
//得到最后一行的字符
QTextCursor txtcur = ui->tEdit_shell->textCursor();
txtcur.movePosition(QTextCursor::StartOfLine,QTextCursor::KeepAnchor);
QString msg = txtcur.selectedText();
int index = msg.lastIndexOf(' ');
if(index == -1) index = 0;else index++;
QString ins = msg.mid(index);
const QString insertStr = findQuickCompletString( ins);
if(insertStr != "")
{
txtcur = ui->tEdit_shell->textCursor();
txtcur.movePosition(QTextCursor::Left,QTextCursor::KeepAnchor,ins.length());
txtcur.removeSelectedText();
ui->tEdit_shell->insertPlainText(findQuickCompletString( msg.mid( msg.lastIndexOf(' ')+1)));
}
qout<<"ins :" <<ins <<endl;
return true;
}else if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Backspace) {
QTextCursor tc = ui->tEdit_shell->textCursor();
qout<<"back";
if(tc.position()<=minTextCurse)
{
qout << "delete over";
return true;
}
}else if(static_cast<QKeyEvent *>(event)->key() == Qt::Key_Left){
if(minTextCurse == ui->tEdit_shell->textCursor().position())
{
return true;
}
}
}
}
return QWidget::eventFilter(target,event);
}
void SerialWidget::sendText(QString & text)
{
// int indx;
for(int i = 0;i<text.length();i++)
{
if(text.at(i) == '\\' && (i+1)<text.length())
{
if(text.at(i+1) == '\\')
{
text.remove(i+1,1);
}else if(text.at(i+1) == 't') {
text.replace(i,1,'\t');
text.remove(i+1,1);
}else if (text.at(i+1) == 'n') {
text.replace(i,1,'\n');
text.remove(i+1,1);
}
}
}
text.append("\r\n");qout<<text<<endl;
qout<<"send has be called,will send string:"<<text<<endl;
activePort->write(text.toLocal8Bit());
// activePort->w
}
void SerialWidget:: scanport(void)
{
/* 新建串口类 */
if(activePort == nullptr)
{
activePort = new QSerialPort();}
if(activePort != nullptr)
{
/* 查找可用串口 */
if(activePort->isOpen())
{
ui->tLine_message->setText("请先关闭串口再扫描串口");
return;
}
ui->cBox_Portlist->clear();
foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
{
QSerialPort serial;
serial.setPort(info);
/* 判断端口是否能打开 */
if(serial.open(QIODevice::ReadWrite))
{
int isHaveItemInList = 0;
/* 判断是不是已经在列表中了 */
for(int i=0; i<ui->cBox_Portlist->count(); i++)
{
/* 如果，已经在列表中了，那么不添加这一项了就 */
if(QString::compare( ui->cBox_Portlist->itemData(i).toString(), serial.portName(),caseSensitive) == 0)
{
isHaveItemInList++;
}
}
qout<<"find a" << serial.portName() <<endl;
if(isHaveItemInList == 0)
{
ui->cBox_Portlist->addItem(serial.portName());
}
serial.close();
}
}
QString msg = "串口更新成功.共";
msg.append (QString::number( ui->cBox_Portlist->count()));
qDebug()<<ui->cBox_Portlist->count();
msg.append(" 个");
ui->tLine_message->setText(msg);
ui->cBox_Baudlist->setCurrentText("");
if(ui->checkBox_autoConect->checkState() == Qt::CheckState::Checked && ui->cBox_Portlist->count() == 1)
{
qout<<"auto conect";
ui->cBox_Portlist->setCurrentIndex(0);
openprot(ui->cBox_Portlist->currentText(),ui->cBox_autoBaud ->currentText().toInt());
qout<<ui->cBox_Baudlist->currentText();
}
}else
{
/* 串口没有初始化成功，先不处理异常 */
// 警告对话框
ui->tLine_message->setText("串口初始化失败");
}
}
void SerialWidget::on_tEdit_shell_cursorPositionChanged()
{
//do nothing;
if(ui->tEdit_shell->textCursor().position()<minTextCurse)
ui->tEdit_shell->setReadOnly(true);
else {
ui->tEdit_shell->setReadOnly(false);
}
}
void SerialWidget::on_pButton_send_clicked()
{
QTextCursor txtcur = ui->tEdit_shell->textCursor();
txtcur.movePosition(QTextCursor::End,QTextCursor::MoveAnchor);
txtcur.movePosition(QTextCursor::StartOfLine,QTextCursor::MoveAnchor);
txtcur.movePosition(QTextCursor::EndOfLine,QTextCursor::KeepAnchor);
QString msg = txtcur.selectedText();
if(history.isEmpty() || QString::compare(msg,history.back()) != 0)
history.append(msg);
sendText(msg);
historyNum = history.size();
ui->tEdit_shell->append("");
ui->tEdit_shell->setFocus();
}
void SerialWidget::on_pushButton_2_clicked()
{
openprot();
}
void SerialWidget::receiveInfo()
{
static int flag = 0;
qint64 recnum = activePort->readLine((receiverBuff+flag),2048);
if(recnum > 0)
{
qout<<"received:>"<<receiverBuff<<endl;
flag += recnum;
if(receiverBuff[flag-1] != '\n')
{
overTimer.stop();
overTimer.start(50);
// overTimer.setSingleShot(true);
return;
}
else
{
overTimer.stop();
overTimer.start(50);
}
}else {
return;
}
QString str = QString::fromLocal8Bit(receiverBuff);
qout<<"send msg";
ui->tEdit_shell->insertPlainText(str);
flag = 0;
QString nstr = str;
if(nstr.indexOf("QuickComplet:") == 0)
{
str.remove("QuickComplet:");
if(ui->plaintEdit_quickCompleat->textCursor().position()!= 0)
{
ui->plaintEdit_quickCompleat->insertPlainText(",\n");
}
QStringList strlist = nstr.split("\",\"");
for(int i = 0;i<strlist.size();i++)
{
bool isrepead = false;
if(i== 0) strlist[i].remove(0,strlist[i].indexOf("\"")+1);
if(i == (strlist.size()-1))
strlist[i].remove(strlist[i].lastIndexOf("\""),
strlist[i].length()-strlist[i].lastIndexOf("\""));
for(int j = 0;j<quickComplets.size();j++)
{
if(QString::compare( quickComplets[j],strlist[i],caseSensitive) == 0)
{
isrepead = true;break;
}
}
if(isrepead) continue;
quickComplets.append(strlist[i]);
ui->plaintEdit_quickCompleat->insertPlainText(strlist[i]);
if(i != (strlist.size()-1))
{
ui->plaintEdit_quickCompleat->insertPlainText(",\n");
}
qout<<"strlist["<<i<<"]:"<<strlist[i]<<endl;
}
ui->tEdit_shell->append("检测到快捷关键字.已添加\n");
}
minTextCurse = ui->tEdit_shell->textCursor().position();
// receiveBuff.clear();
// }else{
// if(overTimer.isActive()) overTimer.stop();
// overTimer.start(10);
// overTimer.setSingleShot(true);
// qout<<"timestar:"<<receiveBuff<<endl;
// connect(&overTimer,SIGNAL(timeout()),this,SLOT(on_timerOver()));
// }
qDebug()<<"receive info:"<<receiverBuff;
receiverBuff[0] = '\0';
}
void SerialWidget::openprot(const QString & portname,const int baud)
{
// if(activePort == nullptr)
// scanport();
if(activePort->isOpen()) //如果串口打开着就关闭
{
// activePort->clear();
qout<<"port close";
activePort->clear();
activePort->close();
// delete activePort;
ui->cBox_Portlist->setEnabled(true);
ui->cBox_Baudlist ->setEnabled(true);
ui->pushButton->setEnabled(true);
ui->pushButton_2->setText("打开串口");
ui->tLine_message->setText("串口"+ui->cBox_Portlist->currentText()+"已关闭");
}else{ //关闭着就打开
activePort->setPortName(portname);
if(activePort->open(QIODevice::ReadWrite)== true)
{
qout<<"port open";
activePort->setBaudRate(baud,QSerialPort::AllDirections);//设置波特率和读写方向
activePort->setDataBits(QSerialPort::Data8); //数据位为8位
activePort->setFlowControl(QSerialPort::NoFlowControl);//无流控制
activePort->setParity(QSerialPort::NoParity); //无校验位
activePort->setStopBits(QSerialPort::OneStop); //一位停止位
ui->tLine_message->setText(ui->cBox_Portlist->currentText()+"打开成功");
connect(activePort,SIGNAL(readyRead()),this,SLOT(receiveInfo()));
ui->pushButton_2->setText("关闭串口");
ui->tEdit_shell->setFocus();
ui->cBox_Portlist->setEnabled(false);
ui->cBox_Baudlist ->setEnabled(false);
ui->pushButton->setEnabled(false);
}else {
ui->tLine_message->setText("打开失败,检查串口是否被占用");
ui->pushButton_2->setText("打开串口");
}
}
}
void SerialWidget::openprot()
{
SerialWidget::openprot(ui->cBox_Portlist->currentText(),ui->cBox_Baudlist->currentText().toInt());
}
void SerialWidget::on_pushButton_clicked()
{
scanport();
}
void SerialWidget::on_tEdit_shell_textChanged()
{
QScrollBar *qbar = ui->tEdit_shell->verticalScrollBar();
qbar->setValue(qbar->maximum());
}
const QString & SerialWidget::findQuickCompletString(const QString & str)
{
int retindex = -1;
for(int i = 0;i<quickComplets.size();i++)
{
qout<<"find quitck index :" << i<<"quickComplets[i].indexOf("<<str<<") == "<<quickComplets[i].indexOf(str,0,caseSensitive) <<endl;
if(quickComplets[i].indexOf(str,0,caseSensitive) == 0)
{
if(retindex == -1)
retindex = i;
else {
retindex = -1;
break;
}
}
}
if(retindex == -1)
return emptyStr;
else
return quickComplets[retindex];
}
void SerialWidget::on_timerOver(void)
{
qout<<"timerOver"<<endl;
if(receiverBuff[0] != '\0')
{
QTextCursor tc = ui->tEdit_shell->textCursor();
tc.movePosition(QTextCursor::End);
ui->tEdit_shell->setTextCursor(tc);
ui->tEdit_shell->insertPlainText( QString::fromLocal8Bit(receiverBuff));
minTextCurse = ui->tEdit_shell->textCursor().position();
}else {
QByteArray rec = activePort->readAll();
QString str = QString::fromLocal8Bit(rec);
QTextCursor tc = ui->tEdit_shell->textCursor();
tc.movePosition(QTextCursor::End);
ui->tEdit_shell->setTextCursor(tc);
ui->tEdit_shell->insertPlainText(str);
minTextCurse = ui->tEdit_shell->textCursor().position();
}
// if(! receiveBuff.isEmpty())
// {
// qout<<"resc"<<receiveBuff<<endl;
// QTextCursor tc = ui->tEdit_shell->textCursor();
// tc.movePosition(QTextCursor::End);
// ui->tEdit_shell->setTextCursor(tc);
// ui->tEdit_shell->insertPlainText(receiveBuff);
// receiveBuff.clear();
// minTextCurse = ui->tEdit_shell->textCursor().position();
// }
overTimer.stop();
}
void SerialWidget::on_cBox_ColorList_currentTextChanged(const QString &arg1)
{
qout<<"change str"<<arg1<<endl;
ui->tEdit_shell->setTextColor(arg1);
QTextCursor tc = ui->tEdit_shell->textCursor();
tc.movePosition(QTextCursor::End);
// ui->tEdit_shell->setTextCursor(tc);
ui->tEdit_shell->insertPlainText("text color change :"+arg1+"\n");
minTextCurse = ui->tEdit_shell->textCursor().position();
}
void SerialWidget::on_pButton_AddquickCompelat_clicked()
{
QString plaintext = ui->plaintEdit_quickCompleat->toPlainText();
plaintext.remove('\n');
plaintext.remove(' ');
qout<<"plaintext"<<plaintext;
QStringList sliplist = plaintext.split(',');
//插入到快捷补全的数组中去.
for(int i = 0;i<sliplist.size();i++)
{
bool is_exist = false;
if(sliplist[i].size() == 0) continue;
for(int j = 0;j<quickComplets.size();j++)
{
if(QString::compare(sliplist[i],quickComplets[j],caseSensitive) == 0)
{
qout<<"检测到"<<sliplist[i]<<"重复"<<endl;
is_exist = true;
break;
}
}
if(is_exist == true)
continue;
else {
quickComplets.append(sliplist[i]);
}
}
}
void SerialWidget::on_serialErrorOccured()
{
qout<<"error serial "<<endl;
if(activePort->isOpen())
openprot();
}
void SerialWidget::on_SerialWidget_destroyed()
{
qout<<"关闭"<<endl;
}
void SerialWidget::saveseting(void)
{
QSettings setting("BottodSerialShell","BottodSerialShell");
setting.setValue("isAutosive",1);
setting.setValue("iscaseSensitive",caseSensitive);
setting.setValue("textcolor",ui->cBox_ColorList->currentText());
setting.setValue("defaultBaud",ui->cBox_autoBaud ->currentText());
setting.setValue("autoConnect",ui->checkBox_autoConect->checkState());
setting.sync();
}
void SerialWidget::loadseting(void)
{
QSettings setting("BottodSerialShell","BottodSerialShell");
if(setting.value("isAutosive").toInt() == 0)
return ;
if(setting.value("iscaseSensitive").toInt() == 1)
{
caseSensitive = Qt::CaseSensitive;
ui->checkBox_caseSensitive->setCheckState(Qt::CheckState::Checked);
}else
{
caseSensitive = Qt::CaseInsensitive;
ui->checkBox_caseSensitive->setCheckState(Qt::CheckState::Unchecked);
}
if(setting.value("autoConnect").toInt() == 0)
{
ui->checkBox_autoConect->setCheckState(Qt::CheckState::Unchecked);
}else
{
ui->checkBox_autoConect->setCheckState(Qt::CheckState::Checked);
}
ui->tEdit_shell->setTextColor(setting.value("textcolor").toString());
ui->cBox_ColorList->setCurrentText(setting.value("textcolor").toString());
ui->tEdit_shell->setTextColor(ui->cBox_ColorList->currentText());
ui->cBox_autoBaud ->setCurrentText(setting.value("defaultBaud").toString());
ui->cBox_Baudlist->setCurrentText(setting.value("defaultBaud").toString());
setting.setValue("isAutosive",1);
setting.sync();
}
void SerialWidget::on_tabWidget_currentChanged(int index)
{
qout<<"index"<<index;
if(index == 1)
{
//reflash quick complet list
QString listStr = "";
for(int i = 0;i<quickComplets.size();i++)
{
listStr.append(quickComplets[i]+",\n");
}
listStr.remove( listStr.lastIndexOf(','),1);
ui->plaintEdit_quickCompleat->clear();
ui->plaintEdit_quickCompleat->setPlainText(listStr);
//reflash over
}
}
void SerialWidget::on_pButton_delquickCompelat_clicked()
{
QString selecttext = ui->plaintEdit_quickCompleat->textCursor().selectedText() ;
selecttext.remove(' ');
selecttext.remove(',');
selecttext.remove('\n');
quickComplets.remove( quickComplets.indexOf(selecttext),1);
ui->plaintEdit_quickCompleat->textCursor().removeSelectedText();
}
void SerialWidget::on_checkBox_caseSensitive_stateChanged(int arg1)
{
if(arg1== 0)
caseSensitive = Qt::CaseInsensitive;
else {
caseSensitive = Qt::CaseSensitive;
}
}