增加了最小化至托盘相关代码

mainwidget.cpp

@@ -13,8 +13,9 @@ MainWidget::MainWidget(QString username,QWidget *parent) :
 
     ui->name_list->setEditTriggers(QAbstractItemView::NoEditTriggers); //不允许编辑
     //ui->name_list->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
-    ui->name_list->verticalScrollBar()->setStyleSheet("QScrollBar{width:16px;}");
+    //ui->name_list->verticalScrollBar()->setStyleSheet("QScrollBar{width:16px;}");
 
+    /****************文本显示栏初始设置********************/
     ui->textEdit->setReadOnly(true);
     ui->textEdit->setFocusPolicy(Qt::NoFocus);
     //防止QTextBrowser中的内容被重定向
@@ -235,7 +236,7 @@ void MainWidget::on_exit_btn_clicked()
     zoom_down(ui->exit_btn);
     zoom_up(ui->exit_btn);
     QMessageBox::StandardButton response;
-    response = QMessageBox::question(this, "退出", tr("是否退出软件？"));
+    response = QMessageBox::question(this, "退出", tr("确定退出软件？否则将最小化窗口"));
 
     if(response == QMessageBox::Yes)
     {
@@ -245,7 +246,8 @@ void MainWidget::on_exit_btn_clicked()
     }
     else
     {
-        return;
+        this->hide();
+        CreatSystemTray();
     }
 }
 
@@ -448,6 +450,40 @@ bool MainWidget::eventFilter(QObject *target, QEvent *event)
         return QWidget::eventFilter(target,event);
 }
 
+void MainWidget::CreatSystemTray()
+{
+    //创建菜单对象和托盘图标对象
+    TrayMennu = new QMenu(this);
+    SystemTray = new QSystemTrayIcon(this);
+
+    //创建菜单项
+    ActionShow = new QAction(tr("Show"), this);
+    ActionQuit = new QAction(tr("Exit"), this);
+    connect(ActionShow,&QAction::triggered,[=](){
+        this->show();
+        SystemTray->hide();
+    });
+    connect(ActionQuit,&QAction::triggered,[=](){
+        this->close();
+    });
+    connect(SystemTray,&QSystemTrayIcon::activated,[=](){
+        this->show();
+        SystemTray->hide();
+    });
+
+    //添加菜单项
+    TrayMennu->addAction(ActionShow);
+    TrayMennu->addSeparator();
+    TrayMennu->addAction(ActionQuit);
+
+    //为系统托盘设置菜单为m_pTrayMennu
+    SystemTray->setContextMenu(TrayMennu);
+    SystemTray->setIcon(QIcon(":/icon.png"));
+
+    SystemTray->show();
+    //this->setWindowFlags(Qt::Tool);
+}
+
 void MainWidget::zoom_down(QPushButton* btn)
 {
     QPropertyAnimation *animalton = new QPropertyAnimation(btn,"geometry");

mainwidget.h

@@ -4,6 +4,8 @@
 #include <QWidget>
 #include <QListWidgetItem>
 #include <QList>
+#include <QMenu>
+#include <QSystemTrayIcon>
 #include <QMessageBox>
 #include <QTime>
 #include <QFile>
@@ -58,8 +60,17 @@ public slots:
 private:
     Ui::MainWidget *ui;
     QString username;
+
+    QMenu* TrayMennu;            //系统托盘右键菜单项
+    QSystemTrayIcon* SystemTray; //系统托盘图标
+
+    //右键菜单栏选项
+    QAction* ActionShow;
+    QAction* ActionQuit;
+
     void zoom_up(QPushButton* btn);
     void zoom_down(QPushButton* btn);
+    void CreatSystemTray();
 };
 
 #endif // MAINWIDGET_H