打开串口失败时声音提示

mainwidget.cpp

@@ -43,7 +43,7 @@ MainWidget::MainWidget(QWidget *parent)
     ParityBox->setCurrentIndex(settings.value("Parity", 0).toInt());
 
     //初始化label
-    COMLabel = new QLabel(tr("串口"));
+    COMLabel = new QLabel(tr("串口号"));
     BaudrateLabel = new QLabel(tr("波特率"));
     StopbitsLabel = new QLabel(tr("停止位"));
     DatabitsLabel = new QLabel(tr("数据位"));
@@ -66,11 +66,13 @@ MainWidget::MainWidget(QWidget *parent)
     SendButton = new QPushButton(tr("发送"));
     SendButton->setDisabled(true);
     SendButton->setToolTip(tr("Ctrl+Enter"));
-    ClearButton = new QPushButton(tr("清除接收"));
+    ClearRecvButton = new QPushButton(tr("清除接收"));
+    ClearSendButton = new QPushButton(tr("清除发送"));
 
     connect(OpenButton, QPushButton::clicked, this, OpenSerial);
     connect(SendButton, QPushButton::clicked, this, SendContent);
-    connect(ClearButton, QPushButton::clicked, this, ClearRecv);
+    connect(ClearRecvButton, QPushButton::clicked, this, ClearRecv);
+    connect(ClearSendButton, QPushButton::clicked, this, ClearSend);
 
     //复选框
     NewLineBox = new QCheckBox(tr("发送新行"));
@@ -98,58 +100,56 @@ MainWidget::MainWidget(QWidget *parent)
             this, changeSendTimer);
 
     //初始化布局
-    flayout = new QFormLayout();
-    flayout->addRow(BaudrateLabel, BaudrateBox);
-    flayout->addRow(StopbitsLabel, StopbitsBox);
-    flayout->addRow(DatabitsLabel, DatabitsBox);
-    flayout->addRow(ParityLabel, ParityBox);
-    flayout->addRow(COMLabel, COMBox);
-    flayout->addRow(OpenButton);
-    flayout->setAlignment(OpenButton, Qt::AlignVCenter);
-//    flayout->setSpacing(50);
-    flayout->setMargin(30);
-    flayout->setHorizontalSpacing(20);
-    flayout->setVerticalSpacing(60);
+    leftLlayout = new QFormLayout();
+    leftLlayout->addRow(BaudrateLabel, BaudrateBox);
+    leftLlayout->addRow(StopbitsLabel, StopbitsBox);
+    leftLlayout->addRow(DatabitsLabel, DatabitsBox);
+    leftLlayout->addRow(ParityLabel, ParityBox);
+    leftLlayout->addRow(COMLabel, COMBox);
+    leftLlayout->addRow(OpenButton);
+    leftLlayout->setAlignment(OpenButton, Qt::AlignVCenter);
+    leftLlayout->setMargin(30);
+    leftLlayout->setHorizontalSpacing(20);
+    leftLlayout->setVerticalSpacing(60);
 
     paramGroup = new QGroupBox();
-    paramGroup->setLayout(flayout);
+    paramGroup->setLayout(leftLlayout);
     paramGroup->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
     cvlayout = new QVBoxLayout();
     cvlayout->addWidget(RecvArea, 7);
     cvlayout->addWidget(SendArea, 2);
-    //    RecvArea->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-    //    SendArea->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
-    hlayout = new QHBoxLayout();
-    hlayout->addWidget(HexSend);
-    hlayout->addWidget(NewLineBox, 0, Qt::AlignLeft);
-    hlayout->addWidget(TimerBox, 0, Qt::AlignRight);
-    hlayout->addWidget(TimerSpin, 0, Qt::AlignLeft);
-    hlayout->addWidget(SendButton, 0, Qt::AlignRight);
+    bottomLayout = new QHBoxLayout();
+    bottomLayout->addWidget(ClearSendButton, 0, Qt::AlignLeft);
+    bottomLayout->addWidget(HexSend);
+    bottomLayout->addWidget(NewLineBox, 0, Qt::AlignLeft);
+    bottomLayout->addWidget(TimerBox, 0, Qt::AlignRight);
+    bottomLayout->addWidget(TimerSpin, 1, Qt::AlignLeft);
+    bottomLayout->addWidget(SendButton, 0, Qt::AlignRight);
 
-    rvlayout = new QVBoxLayout();
-    rvlayout->addWidget(ClearButton, 0, Qt::AlignCenter);
-    rvlayout->addWidget(HexRecv);
-    rvlayout->addWidget(RTSBox);
-    rvlayout->addWidget(DTRBox);
+    rightLayout = new QVBoxLayout();
+    rightLayout->addWidget(ClearRecvButton, 0, Qt::AlignCenter);
+    rightLayout->addWidget(HexRecv);
+    rightLayout->addWidget(RTSBox);
+    rightLayout->addWidget(DTRBox);
 
-    layout = new QGridLayout(this);
+    centralLayout = new QGridLayout(this);
 
 //    layout->addLayout(flayout, 0, 0, 2, 1);
-    layout->addWidget(paramGroup, 0, 0, 2, 1);
-    layout->addLayout(hlayout, 1, 1);
-    layout->addLayout(cvlayout, 0, 1, 1, 1);
-    layout->addLayout(rvlayout, 0, 2, Qt::AlignTop);
+    centralLayout->addWidget(paramGroup, 0, 0, 2, 1);
+    centralLayout->addLayout(bottomLayout, 1, 1);
+    centralLayout->addLayout(cvlayout, 0, 1, 1, 1);
+    centralLayout->addLayout(rightLayout, 0, 2, Qt::AlignTop);
 
-    layout->setColumnMinimumWidth(0, 150);
-    layout->setColumnMinimumWidth(2, 100);
+    centralLayout->setColumnMinimumWidth(0, 150);
+    centralLayout->setColumnMinimumWidth(2, 100);
 
-    layout->setColumnStretch(0, 0);
-    layout->setColumnStretch(1, 2);
-    layout->setColumnStretch(2, 0);
+    centralLayout->setColumnStretch(0, 0);
+    centralLayout->setColumnStretch(1, 2);
+    centralLayout->setColumnStretch(2, 0);
 
-    setLayout(layout);
+    setLayout(centralLayout);
 
     //计时器 初始化
     CheckTimer = new QTimer(this);
@@ -246,6 +246,7 @@ void MainWidget::serialOpened()
 void MainWidget::serialNotOpened()
 {
     emit sendStatus(tr("串口打开失败"));
+    QApplication::beep();
 }
 
 void MainWidget::serialClosed()
@@ -286,6 +287,11 @@ void MainWidget::ClearRecv()
     RecvArea->clear();
 }
 
+void MainWidget::ClearSend()
+{
+    SendArea->clear();
+}
+
 void MainWidget::detNewLine(int state)
 {
     if (state == 2)

mainwidget.h

@@ -4,6 +4,7 @@
 #include <QWidget>
 #include <QComboBox>
 #include <QGridLayout>
+#include <QApplication>
 #include <QVBoxLayout>
 #include <QHBoxLayout>
 #include <QTextEdit>
@@ -54,6 +55,7 @@ public slots:
   void OpenSerial();
   void CloseSerial();
   void ClearRecv();
+  void ClearSend();
   void detNewLine(int state); //处理发送新行
   void ControlSendTimer(int state);
   void changeSendTimer();
@@ -67,13 +69,13 @@ private:
   QStringList BaudrateList, StopbitsList, DatabitsList, ParityList;
   QStringList COMList, PortNameList, DescList;
   QLabel *COMLabel, *BaudrateLabel, *StopbitsLabel, *DatabitsLabel, *ParityLabel;
-  QGridLayout *layout;
-  QVBoxLayout *cvlayout, *rvlayout;
-  QHBoxLayout *hlayout;
-  QFormLayout *flayout;
+  QGridLayout *centralLayout;
+  QVBoxLayout *cvlayout, *rightLayout;
+  QHBoxLayout *bottomLayout;
+  QFormLayout *leftLlayout;
   QGroupBox *paramGroup;
   QTextEdit *RecvArea, *SendArea;
-  QPushButton *OpenButton, *SendButton, *ClearButton;
+  QPushButton *OpenButton, *SendButton, *ClearRecvButton, *ClearSendButton;
   QCheckBox *NewLineBox, *TimerBox, *HexSend, *HexRecv, *RTSBox, *DTRBox;
   QSpinBox *TimerSpin;
   QTimer *CheckTimer, *SendTimer;

mainwindow.cpp

@@ -9,8 +9,10 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent),
     setStatusBar(statusbar);
 
     aboutQtAct = new QAction(tr("&关于Qt"), this);
+    aboutAct = new QAction(tr("&关于SerialAsst"), this);
     helpMenu = menuBar->addMenu(tr("&帮助"));
     helpMenu->addAction(aboutQtAct);
+    helpMenu->addAction(aboutAct);
     setCentralWidget(widget);
     statusbar->showMessage(tr("准备就绪"));
     connect(widget, MainWidget::sendStatus, this, setNewMsg);
@@ -19,6 +21,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent),
     timeLabel->setText(QDateTime::currentDateTime().toString());
 
     connect(aboutQtAct, &QAction::triggered, this, &showAboutQt);
+    connect(aboutAct, &QAction::triggered, this, showAbout);
     connect(widget, MainWidget::sendDateTime, this, setDateTime);
     resize(900, 600);
 }
@@ -38,3 +41,8 @@ void MainWindow::showAboutQt()
       QMessageBox *aboutWindow = new QMessageBox(this);
       aboutWindow->aboutQt(this);
 }
+
+void MainWindow::showAbout()
+{
+
+}

mainwindow.h

@@ -17,15 +17,16 @@ public:
 signals:
 
 public slots:
-  void setNewMsg(QString msg);
-  void setDateTime(QString datetime);
+  void setNewMsg(QString msg);  //设置状态栏信息
+  void setDateTime(QString datetime);   //设置状态栏时间
   void showAboutQt();
+  void showAbout();
 
 private:
   MainWidget *widget;
   QMenuBar *menuBar;
   QMenu *helpMenu;
-  QAction *aboutQtAct;
+  QAction *aboutQtAct, *aboutAct;
   QStatusBar *statusbar;
   QLabel *timeLabel;
 

serialcontroller.h

@@ -27,8 +27,8 @@ public slots:
   void getParity(QString parity);     //改变校验位
   void writeData(QString content);    //发送数据
   void handleRecv();                  //接受数据
-  void contrloRTS(bool set);
-  void controlDTR(bool set);
+  void contrloRTS(bool set);          //设置RTS位
+  void controlDTR(bool set);          //设置DTR位
 
 private:
   QSerialPort *serial;