diff --git a/QtScrcpy/device/device.cpp b/QtScrcpy/device/device.cpp
index bde630e..15d6414 100644
--- a/QtScrcpy/device/device.cpp
+++ b/QtScrcpy/device/device.cpp
@@ -13,6 +13,7 @@
 #include "controller.h"
 #include "config.h"
 #include "avframeconvert.h"
+#include "mousetap/mousetap.h"
 extern "C"
 {
 #include "libavutil/imgutils.h"
@@ -130,9 +131,10 @@ void Device::initSignals()
     connect(this, &Device::screenshot, this, &Device::onScreenshot);
     connect(this, &Device::showTouch, this, &Device::onShowTouch);
     connect(this, &Device::setMainControl, this, &Device::onSetMainControl);
+    connect(this, &Device::grabCursor, this, &Device::onGrabCursor);
 
-    if (m_controller && m_videoForm) {
-        connect(m_controller, &Controller::grabCursor, m_videoForm, &VideoForm::onGrabCursor);
+    if (m_controller) {
+        connect(m_controller, &Controller::grabCursor, this, &Device::grabCursor);
     }
     if (m_controller) {
         connect(this, &Device::postGoBack, m_controller, &Controller::onPostGoBack);
@@ -287,6 +289,15 @@ void Device::onSetMainControl(Device* device, bool mainControl)
     m_mainControl = mainControl;
 }
 
+void Device::onGrabCursor(bool grab)
+{
+    if (!m_videoForm) {
+        return;
+    }
+    QRect rc = m_videoForm->getGrabCursorRect();
+    MouseTap::getInstance()->enableMouseEventTap(rc, grab);
+}
+
 bool Device::mainControl()
 {
     return m_mainControl;
diff --git a/QtScrcpy/device/device.h b/QtScrcpy/device/device.h
index c5363b8..3a28f37 100644
--- a/QtScrcpy/device/device.h
+++ b/QtScrcpy/device/device.h
@@ -48,6 +48,7 @@ public:
 signals:
     void deviceDisconnect(QString serial);
 
+    // tool bar
     void switchFullScreen();
     void postGoBack();
     void postGoHome();
@@ -58,27 +59,30 @@ signals:
     void postVolumeDown();
     void setScreenPowerMode(ControlMsg::ScreenPowerMode mode);
     void expandNotificationPanel();
-    void screenshot();
-    void showTouch(bool show);
-    void setMainControl(Device* device, bool mainControl);
-
-    void mouseEvent(const QMouseEvent* from, const QSize& frameSize, const QSize& showSize);
-    void wheelEvent(const QWheelEvent* from, const QSize& frameSize, const QSize& showSize);
-    void keyEvent(const QKeyEvent* from, const QSize& frameSize, const QSize& showSize);
-
     void postTurnOn();
     void postTextInput(QString& text);
     void requestDeviceClipboard();
     void setDeviceClipboard();
     void clipboardPaste();
-
     void pushFileRequest(const QString& serial, const QString& file, const QString& devicePath = "");
     void installApkRequest(const QString& serial, const QString& apkFile);
 
+    // key map
+    void mouseEvent(const QMouseEvent* from, const QSize& frameSize, const QSize& showSize);
+    void wheelEvent(const QWheelEvent* from, const QSize& frameSize, const QSize& showSize);
+    void keyEvent(const QKeyEvent* from, const QSize& frameSize, const QSize& showSize);
+
+    // self connect signal and slots
+    void screenshot();
+    void showTouch(bool show);
+    void setMainControl(Device* device, bool mainControl);
+    void grabCursor(bool grab);
+
 public slots:
     void onScreenshot();
     void onShowTouch(bool show);
     void onSetMainControl(Device* device, bool mainControl);
+    void onGrabCursor(bool grab);
 
 private:
     void initSignals();
diff --git a/QtScrcpy/device/ui/videoform.cpp b/QtScrcpy/device/ui/videoform.cpp
index f3e2aa3..c9d9c40 100644
--- a/QtScrcpy/device/ui/videoform.cpp
+++ b/QtScrcpy/device/ui/videoform.cpp
@@ -11,7 +11,6 @@
 
 #include "videoform.h"
 #include "qyuvopenglwidget.h"
-#include "mousetap/mousetap.h"
 #include "ui_videoform.h"
 #include "iconhelper.h"
 #include "toolform.h"
@@ -70,29 +69,27 @@ void VideoForm::initUI()
     ui->keepRadioWidget->setMouseTracking(true);
 }
 
-void VideoForm::onGrabCursor(bool grab)
+QRect VideoForm::getGrabCursorRect()
 {
-#if defined(Q_OS_WIN32)
     QRect rc;
-    rc = QRect(m_videoWidget->parentWidget()->mapToGlobal(m_videoWidget->pos())
+#if defined(Q_OS_WIN32)
+    rc = QRect(m_videoWidget->mapToGlobal(m_videoWidget->pos())
              , m_videoWidget->size());
     // high dpi support
     rc.setTopLeft(rc.topLeft() * m_videoWidget->devicePixelRatio());
     rc.setBottomRight(rc.bottomRight() * m_videoWidget->devicePixelRatio());
-    MouseTap::getInstance()->enableMouseEventTap(rc, grab);
 #elif defined(Q_OS_OSX)
-    QRect rc = m_videoWidget->geometry();
+    rc = m_videoWidget->geometry();
     rc.setTopLeft(m_videoWidget->mapToGlobal(rc.topLeft()));
     rc.setBottomRight(m_videoWidget->mapToGlobal(rc.bottomRight()));
     rc.setX(rc.x() + 100);
     rc.setY(rc.y() + 30);
     rc.setWidth(rc.width() - 180);
     rc.setHeight(rc.height() - 60);
-
-    MouseTap::getInstance()->enableMouseEventTap(rc, grab);
 #else
     Q_UNUSED(grab)
 #endif
+    return rc;
 }
 
 void VideoForm::updateRender(const AVFrame *frame)
diff --git a/QtScrcpy/device/ui/videoform.h b/QtScrcpy/device/ui/videoform.h
index 7df3248..6f573a0 100644
--- a/QtScrcpy/device/ui/videoform.h
+++ b/QtScrcpy/device/ui/videoform.h
@@ -24,9 +24,9 @@ public:
     void updateShowSize(const QSize &newSize);
     void updateRender(const AVFrame *frame);
     void setDevice(Device *device);
+    QRect getGrabCursorRect();
 
 public slots:
-    void onGrabCursor(bool grab);
     void onSwitchFullScreen();
 
 private: