diff --git a/QtScrcpy/controller/controller.cpp b/QtScrcpy/controller/controller.cpp
index 4314170..593d2cc 100644
--- a/QtScrcpy/controller/controller.cpp
+++ b/QtScrcpy/controller/controller.cpp
@@ -1,4 +1,5 @@
-#include <QCoreApplication>
+#include <QApplication>
+#include <QClipboard>
 
 #include "controller.h"
 #include "videosocket.h"
@@ -43,6 +44,116 @@ void Controller::test(QRect rc)
     postControlMsg(controlMsg);
 }
 
+void Controller::postTurnOn()
+{
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_BACK_OR_SCREEN_ON);
+    if (!controlMsg) {
+        return;
+    }
+    postControlMsg(controlMsg);
+}
+
+void Controller::postGoHome()
+{
+    postKeyCodeClick(AKEYCODE_HOME);
+}
+
+void Controller::postGoMenu()
+{
+    postKeyCodeClick(AKEYCODE_MENU);
+}
+
+void Controller::postGoBack()
+{
+    postKeyCodeClick(AKEYCODE_BACK);
+}
+
+void Controller::postAppSwitch()
+{
+    postKeyCodeClick(AKEYCODE_APP_SWITCH);
+}
+
+void Controller::postPower()
+{
+    postKeyCodeClick(AKEYCODE_POWER);
+}
+
+void Controller::postVolumeUp()
+{
+    postKeyCodeClick(AKEYCODE_VOLUME_UP);
+}
+
+void Controller::postVolumeDown()
+{
+    postKeyCodeClick(AKEYCODE_VOLUME_DOWN);
+}
+
+void Controller::expandNotificationPanel()
+{
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_EXPAND_NOTIFICATION_PANEL);
+    if (!controlMsg) {
+        return;
+    }
+    postControlMsg(controlMsg);
+}
+
+void Controller::collapseNotificationPanel()
+{
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_COLLAPSE_NOTIFICATION_PANEL);
+    if (!controlMsg) {
+        return;
+    }
+    postControlMsg(controlMsg);
+}
+
+void Controller::requestDeviceClipboard()
+{
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_GET_CLIPBOARD);
+    if (!controlMsg) {
+        return;
+    }
+    postControlMsg(controlMsg);
+}
+
+void Controller::setDeviceClipboard()
+{
+    QClipboard *board = QApplication::clipboard();
+    QString text = board->text();
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_SET_CLIPBOARD);
+    if (!controlMsg) {
+        return;
+    }
+    controlMsg->setSetClipboardMsgData(text);
+    postControlMsg(controlMsg);
+}
+
+void Controller::clipboardPaste()
+{
+    QClipboard *board = QApplication::clipboard();
+    QString text = board->text();
+    postTextInput(text);
+}
+
+void Controller::postTextInput(QString& text)
+{
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_INJECT_TEXT);
+    if (!controlMsg) {
+        return;
+    }
+    controlMsg->setInjectTextMsgData(text);
+    postControlMsg(controlMsg);
+}
+
+void Controller::setScreenPowerMode(ControlMsg::ScreenPowerMode mode)
+{
+    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_SET_SCREEN_POWER_MODE);
+    if (!controlMsg) {
+        return;
+    }
+    controlMsg->setSetScreenPowerModeData(mode);
+    postControlMsg(controlMsg);
+}
+
 void Controller::mouseEvent(const QMouseEvent *from, const QSize &frameSize, const QSize &showSize)
 {
     if (m_inputConvert) {
@@ -87,3 +198,20 @@ bool Controller::sendControl(const QByteArray &buffer)
     }
     return len == buffer.length() ? true : false;
 }
+
+void Controller::postKeyCodeClick(AndroidKeycode keycode)
+{
+    ControlMsg* controlEventDown = new ControlMsg(ControlMsg::CMT_INJECT_KEYCODE);
+    if (!controlEventDown) {
+        return;
+    }
+    controlEventDown->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_DOWN, keycode, AMETA_NONE);
+    postControlMsg(controlEventDown);
+
+    ControlMsg* controlEventUp = new ControlMsg(ControlMsg::CMT_INJECT_KEYCODE);
+    if (!controlEventUp) {
+        return;
+    }
+    controlEventUp->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_UP, keycode, AMETA_NONE);
+    postControlMsg(controlEventUp);
+}
diff --git a/QtScrcpy/controller/controller.h b/QtScrcpy/controller/controller.h
index da537b6..220b966 100644
--- a/QtScrcpy/controller/controller.h
+++ b/QtScrcpy/controller/controller.h
@@ -15,10 +15,27 @@ public:
     Controller(QObject* parent = Q_NULLPTR);
     virtual ~Controller();
 
-    void setControlSocket(QTcpSocket* controlSocket);
+    void setControlSocket(QTcpSocket* controlSocket);    
     void postControlMsg(ControlMsg* controlMsg);
     void test(QRect rc);
 
+    // turn the screen on if it was off, press BACK otherwise
+    void postTurnOn();
+    void postGoHome();
+    void postGoMenu();
+    void postGoBack();
+    void postAppSwitch();
+    void postPower();
+    void postVolumeUp();
+    void postVolumeDown();
+    void expandNotificationPanel();
+    void collapseNotificationPanel();
+    void requestDeviceClipboard();
+    void setDeviceClipboard();
+    void clipboardPaste();
+    void postTextInput(QString& text);
+    void setScreenPowerMode(ControlMsg::ScreenPowerMode mode);
+
     // for input convert
     void mouseEvent(const QMouseEvent* from, const QSize& frameSize, const QSize& showSize);
     void wheelEvent(const QWheelEvent* from, const QSize& frameSize, const QSize& showSize);
@@ -32,6 +49,7 @@ protected:
 
 private:
     bool sendControl(const QByteArray& buffer);
+    void postKeyCodeClick(AndroidKeycode keycode);    
 
 private:
     QPointer<QTcpSocket> m_controlSocket;
diff --git a/QtScrcpy/dialog.cpp b/QtScrcpy/dialog.cpp
index c7603df..e4113a2 100644
--- a/QtScrcpy/dialog.cpp
+++ b/QtScrcpy/dialog.cpp
@@ -242,12 +242,13 @@ void Dialog::on_alwaysTopCheck_stateChanged(int arg1)
 
 void Dialog::on_closeScreenCheck_stateChanged(int arg1)
 {
+    Q_UNUSED(arg1);
     if (!m_videoForm) {
         return;
     }
     if (ui->closeScreenCheck->isChecked()) {
-        m_videoForm->setScreenPowerMode(ControlMsg::SPM_OFF);
+        m_videoForm->getController()->setScreenPowerMode(ControlMsg::SPM_OFF);
     } else {
-        m_videoForm->setScreenPowerMode(ControlMsg::SPM_NORMAL);
+        m_videoForm->getController()->setScreenPowerMode(ControlMsg::SPM_NORMAL);
     }
 }
diff --git a/QtScrcpy/toolform.cpp b/QtScrcpy/toolform.cpp
index d23c913..9f2d556 100644
--- a/QtScrcpy/toolform.cpp
+++ b/QtScrcpy/toolform.cpp
@@ -82,62 +82,62 @@ void ToolForm::on_fullScreenBtn_clicked()
 void ToolForm::on_returnBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->postGoBack();
+        m_videoForm->getController()->postGoBack();
     }
 }
 
 void ToolForm::on_homeBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->postGoHome();
+        m_videoForm->getController()->postGoHome();
     }
 }
 
 void ToolForm::on_menuBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->postGoMenu();
+        m_videoForm->getController()->postGoMenu();
     }
 }
 
 void ToolForm::on_appSwitchBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->postAppSwitch();
+        m_videoForm->getController()->postAppSwitch();
     }
 }
 
 void ToolForm::on_powerBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->postPower();
+        m_videoForm->getController()->postPower();
     }
 }
 
 void ToolForm::on_volumeUpBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->postVolumeUp();
+        m_videoForm->getController()->postVolumeUp();
     }
 }
 
 void ToolForm::on_volumeDownBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->postVolumeDown();
+        m_videoForm->getController()->postVolumeDown();
     }
 }
 
 void ToolForm::on_closeScreenBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->setScreenPowerMode(ControlMsg::SPM_OFF);
+        m_videoForm->getController()->setScreenPowerMode(ControlMsg::SPM_OFF);
     }
 }
 
 void ToolForm::on_expandNotifyBtn_clicked()
 {
     if (m_videoForm) {
-        m_videoForm->expandNotificationPanel();
+        m_videoForm->getController()->expandNotificationPanel();
     }
 }
diff --git a/QtScrcpy/videoform.cpp b/QtScrcpy/videoform.cpp
index 6df50df..7199a8c 100644
--- a/QtScrcpy/videoform.cpp
+++ b/QtScrcpy/videoform.cpp
@@ -11,7 +11,6 @@
 #include <QMimeData>
 #include <QFileInfo>
 #include <QMessageBox>
-#include <QClipboard>
 
 #include "videoform.h"
 #include "recorder.h"
@@ -191,7 +190,7 @@ void VideoForm::initSignals()
             m_controller->setControlSocket(m_server->getControlSocket());
 
             if (m_closeScreen) {
-                setScreenPowerMode(ControlMsg::SPM_OFF);
+                m_controller->setScreenPowerMode(ControlMsg::SPM_OFF);
             }
         }
     });
@@ -221,10 +220,10 @@ void VideoForm::initSignals()
         ui->videoWidget->setFrameSize(QSize(frame->width, frame->height));
         ui->videoWidget->updateTextures(frame->data[0], frame->data[1], frame->data[2], frame->linesize[0], frame->linesize[1], frame->linesize[2]);
         m_vb->unLock();
-    },Qt::QueuedConnection);
+    },Qt::QueuedConnection);        
 }
 
-void VideoForm::showToolFrom(bool show)
+void VideoForm::showToolForm(bool show)
 {
     if (!m_toolForm) {
         m_toolForm = new ToolForm(this, ToolForm::AP_OUTSIDE_RIGHT);
@@ -304,7 +303,7 @@ void VideoForm::switchFullScreen()
         //show();
 #endif
         updateStyleSheet(height() > width());
-        showToolFrom(true);
+        showToolForm(true);
 #ifdef Q_OS_WIN32
         ::SetThreadExecutionState(ES_CONTINUOUS);
 #endif
@@ -314,7 +313,7 @@ void VideoForm::switchFullScreen()
 #ifdef Q_OS_OSX
         //setWindowFlags(windowFlags() & ~Qt::FramelessWindowHint);
 #endif
-        showToolFrom(false);
+        showToolForm(false);
         layout()->setContentsMargins(0, 0, 0, 0);
         showFullScreen();
 
@@ -325,110 +324,7 @@ void VideoForm::switchFullScreen()
     }
 }
 
-void VideoForm::postGoMenu()
-{
-    postKeyCodeClick(AKEYCODE_MENU);
-}
 
-void VideoForm::postGoBack()
-{
-    postKeyCodeClick(AKEYCODE_BACK);
-}
-
-void VideoForm::postAppSwitch()
-{
-    postKeyCodeClick(AKEYCODE_APP_SWITCH);
-}
-
-void VideoForm::postPower()
-{
-    postKeyCodeClick(AKEYCODE_POWER);
-}
-
-void VideoForm::postVolumeUp()
-{
-    postKeyCodeClick(AKEYCODE_VOLUME_UP);
-}
-
-void VideoForm::postVolumeDown()
-{
-    postKeyCodeClick(AKEYCODE_VOLUME_DOWN);
-}
-
-void VideoForm::postTurnOn()
-{
-    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_BACK_OR_SCREEN_ON);
-    if (!controlMsg) {
-        return;
-    }    
-    m_controller->postControlMsg(controlMsg);
-}
-
-void VideoForm::expandNotificationPanel()
-{
-    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_EXPAND_NOTIFICATION_PANEL);
-    if (!controlMsg) {
-        return;
-    }
-    m_controller->postControlMsg(controlMsg);
-}
-
-void VideoForm::collapseNotificationPanel()
-{
-    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_COLLAPSE_NOTIFICATION_PANEL);
-    if (!controlMsg) {
-        return;
-    }    
-    m_controller->postControlMsg(controlMsg);
-}
-
-void VideoForm::requestDeviceClipboard()
-{
-    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_GET_CLIPBOARD);
-    if (!controlMsg) {
-        return;
-    }
-    m_controller->postControlMsg(controlMsg);
-}
-
-void VideoForm::setDeviceClipboard()
-{
-    QClipboard *board = QApplication::clipboard();
-    QString text = board->text();
-    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_SET_CLIPBOARD);
-    if (!controlMsg) {
-        return;
-    }
-    controlMsg->setSetClipboardMsgData(text);
-    m_controller->postControlMsg(controlMsg);
-}
-
-void VideoForm::clipboardPaste()
-{
-    QClipboard *board = QApplication::clipboard();
-    QString text = board->text();
-    postTextInput(text);
-}
-
-void VideoForm::postTextInput(QString& text)
-{
-    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_INJECT_TEXT);
-    if (!controlMsg) {
-        return;
-    }
-    controlMsg->setInjectTextMsgData(text);
-    m_controller->postControlMsg(controlMsg);
-}
-
-void VideoForm::setScreenPowerMode(ControlMsg::ScreenPowerMode mode)
-{
-    ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_SET_SCREEN_POWER_MODE);
-    if (!controlMsg) {
-        return;
-    }
-    controlMsg->setSetScreenPowerModeData(mode);
-    m_controller->postControlMsg(controlMsg);
-}
 
 void VideoForm::staysOnTop(bool top)
 {
@@ -445,26 +341,9 @@ void VideoForm::staysOnTop(bool top)
     }
 }
 
-void VideoForm::postGoHome()
+Controller *VideoForm::getController()
 {
-    postKeyCodeClick(AKEYCODE_HOME);
-}
-
-void VideoForm::postKeyCodeClick(AndroidKeycode keycode)
-{
-    ControlMsg* controlEventDown = new ControlMsg(ControlMsg::CMT_INJECT_KEYCODE);
-    if (!controlEventDown) {
-        return;
-    }
-    controlEventDown->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_DOWN, keycode, AMETA_NONE);
-    m_controller->postControlMsg(controlEventDown);
-
-    ControlMsg* controlEventUp = new ControlMsg(ControlMsg::CMT_INJECT_KEYCODE);
-    if (!controlEventUp) {
-        return;
-    }
-    controlEventUp->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_UP, keycode, AMETA_NONE);
-    m_controller->postControlMsg(controlEventUp);
+    return m_controller;
 }
 
 void VideoForm::mousePressEvent(QMouseEvent *event)
@@ -524,13 +403,13 @@ void VideoForm::keyPressEvent(QKeyEvent *event)
         switchFullScreen();
     }
     if (event->key() == Qt::Key_C && (event->modifiers() & Qt::ControlModifier)) {
-        requestDeviceClipboard();
+        m_controller->requestDeviceClipboard();
     }
     if (event->key() == Qt::Key_V && (event->modifiers() & Qt::ControlModifier)) {
         if (event->modifiers() & Qt::ShiftModifier) {
-            setDeviceClipboard();
+            m_controller->setDeviceClipboard();
         } else {
-            clipboardPaste();
+            m_controller->clipboardPaste();
         }
         return;
     }
@@ -558,7 +437,7 @@ void VideoForm::showEvent(QShowEvent *event)
 {
     Q_UNUSED(event);
     if (!isFullScreen()) {
-        showToolFrom();
+        showToolForm();
     }
 }
 
diff --git a/QtScrcpy/videoform.h b/QtScrcpy/videoform.h
index 9f4f992..c4089a2 100644
--- a/QtScrcpy/videoform.h
+++ b/QtScrcpy/videoform.h
@@ -25,33 +25,16 @@ public:
     explicit VideoForm(const QString& serial, quint16 maxSize = 720, quint32 bitRate = 8000000, const QString& fileName = "", bool closeScreen = false, QWidget *parent = 0);
     ~VideoForm();
 
-    void switchFullScreen();
-    void postGoMenu();
-    void postGoHome();
-    void postGoBack();
-    void postAppSwitch();
-    void postPower();
-    void postVolumeUp();
-    void postVolumeDown();
-    // turn the screen on if it was off, press BACK otherwise
-    void postTurnOn();
-    void expandNotificationPanel();
-    void collapseNotificationPanel();
-    void requestDeviceClipboard();
-    void setDeviceClipboard();
-    void clipboardPaste();
-    void postTextInput(QString& text);
-    void setScreenPowerMode(ControlMsg::ScreenPowerMode mode);
-
+    void switchFullScreen();    
     void staysOnTop(bool top = true);
+    Controller* getController();
 
 private:
     void updateShowSize(const QSize &newSize);
     void updateStyleSheet(bool vertical);
     void initUI();
-    void initSignals();
-    void showToolFrom(bool show = true);
-    void postKeyCodeClick(AndroidKeycode keycode);    
+    void initSignals();    
+    void showToolForm(bool show = true);
 
 protected:
     void mousePressEvent(QMouseEvent *event);