Some slight changes

Add HighDPI support(not tested)
Support Mifare darkside attack
Hide unfinished function tabs

ui/mainwindow.cpp

@@ -7,6 +7,7 @@ MainWindow::MainWindow(QWidget *parent):
 {
     ui->setupUi(this);
     myInfo = new QAction("wh201906", this);
+    currVersion = new QAction("Ver: " + QApplication::applicationVersion().section('.', 0, -2), this); // ignore the 4th version number
     checkUpdate = new QAction(tr("Check Update"), this);
     connect(myInfo, &QAction::triggered, [ = ]()
     {
@@ -17,6 +18,7 @@ MainWindow::MainWindow(QWidget *parent):
         QDesktopServices::openUrl(QUrl("https://github.com/wh201906/Proxmark3GUI/releases"));
     });
     this->addAction(myInfo);
+    this->addAction(currVersion);
     this->addAction(checkUpdate);
 
     settings = new QSettings("GUIsettings.ini", QSettings::IniFormat);
@@ -30,6 +32,11 @@ MainWindow::MainWindow(QWidget *parent):
     mifare = new Mifare(ui, util, this);
 
     keyEventFilter = new MyEventFilter(QEvent::KeyRelease);
+
+
+    // hide unused tabs
+    ui->funcTab->removeTab(1);
+    ui->funcTab->removeTab(1);
 }
 
 MainWindow::~MainWindow()
@@ -127,6 +134,11 @@ void MainWindow::on_stopButton_clicked()
 
 // ******************** raw command ********************
 
+void MainWindow::on_Raw_CMDEdit_textChanged(const QString &arg1)
+{
+    stashedCMDEditText = arg1;
+}
+
 void MainWindow::on_Raw_sendCMDButton_clicked()
 {
     util->execCMD(ui->Raw_CMDEdit->text());
@@ -1039,7 +1051,11 @@ void MainWindow::saveClientPath(const QString& path)
 }
 // ***********************************************
 
-void MainWindow::on_Raw_CMDEdit_textChanged(const QString &arg1)
+
+
+void MainWindow::on_MF_Attack_darksideButton_clicked()
 {
-    stashedCMDEditText = arg1;
+    setState(false);
+    mifare->darkside();
+    setState(true);
 }

ui/mainwindow.h

@@ -154,6 +154,8 @@ private slots:
     void on_stopButton_clicked();
     void on_Raw_CMDEdit_textChanged(const QString &arg1);
 
+    void on_MF_Attack_darksideButton_clicked();
+
 private:
     Ui::MainWindow* ui;
     QButtonGroup* typeBtnGroup;
@@ -162,6 +164,7 @@ private:
     QLabel* PM3VersionBar;
     QPushButton* stopButton;
     QAction* myInfo;
+    QAction* currVersion;
     QAction* checkUpdate;
     QSettings* settings;
     MyEventFilter* keyEventFilter;

ui/mainwindow.ui

@@ -120,7 +120,7 @@
        </sizepolicy>
       </property>
       <property name="currentIndex">
-       <number>1</number>
+       <number>0</number>
       </property>
       <widget class="QWidget" name="mifareTab">
        <attribute name="title">
@@ -568,6 +568,19 @@
                </property>
               </widget>
              </item>
+             <item>
+              <widget class="QPushButton" name="MF_Attack_darksideButton">
+               <property name="minimumSize">
+                <size>
+                 <width>40</width>
+                 <height>0</height>
+                </size>
+               </property>
+               <property name="text">
+                <string>Darkside</string>
+               </property>
+              </widget>
+             </item>
              <item>
               <spacer name="horizontalSpacer_2">
                <property name="orientation">
@@ -1169,6 +1182,9 @@
        </layout>
       </widget>
       <widget class="QWidget" name="lfTab">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
        <attribute name="title">
         <string>LF/Data</string>
        </attribute>