增加打开目录功能

mainwindow.cpp

@@ -9,7 +9,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->setupUi(this);
     setFixedSize(400, 500);
     ui->lineEdit_port->setValidator(new QIntValidator(1024, 65535, this));
-    ui->lineEdit_root_dir->setText(settings.value("Directory", QApplication::applicationDirPath()).toString());
+    ui->lineEdit_root_dir->setText(settings.value("Directory", QApplication::applicationDirPath()).toString());    
     QAction *action_browse = new QAction;
     action_browse->setIcon(QIcon::fromTheme("folder"));
     ui->lineEdit_root_dir->addAction(action_browse, QLineEdit::TrailingPosition);
@@ -176,6 +176,11 @@ QString MainWindow::BS(long b)
     return s;
 }
 
+void MainWindow::on_pushButton_openDir_pressed()
+{
+    QDesktopServices::openUrl(QUrl(ui->lineEdit_root_dir->text()));
+}
+
 void MainWindow::on_pushButton_send_pressed()
 {
     QString s = ui->lineEdit_message->text();

mainwindow.h

@@ -56,6 +56,7 @@ private:
 private slots:
     void newConnect();
     void readyRead();
+    void on_pushButton_openDir_pressed();
     void on_pushButton_send_pressed();
     void on_pushButton_open_pressed();
     void on_pushButton_capture_pressed();

mainwindow.ui

@@ -50,16 +50,6 @@
         </property>
        </widget>
       </item>
-      <item row="3" column="0">
-       <widget class="QLabel" name="label_2">
-        <property name="text">
-         <string>根目录</string>
-        </property>
-        <property name="alignment">
-         <set>Qt::AlignCenter</set>
-        </property>
-       </widget>
-      </item>
       <item row="2" column="0">
        <widget class="QLabel" name="label">
         <property name="text">
@@ -99,7 +89,8 @@
          <string/>
         </property>
         <property name="icon">
-         <iconset theme="media-playback-start"/>
+         <iconset theme="media-playback-start">
+          <normaloff>.</normaloff>.</iconset>
         </property>
        </widget>
       </item>
@@ -134,6 +125,16 @@
         </property>
        </widget>
       </item>
+      <item row="3" column="0">
+       <widget class="QPushButton" name="pushButton_openDir">
+        <property name="text">
+         <string>根目录</string>
+        </property>
+        <property name="flat">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
      </layout>
     </item>
     <item>