diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp b/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
index 29d4d75..03d4667 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
@@ -4,6 +4,37 @@
 
 #include "inputconvertgame.h"
 
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+
+#include <Windows.h>
+#include <windef.h>
+
+// restrict mouse into a window
+static void restrictMouse(const int left, const int right,
+                          const int top, const int bottom)
+{
+    RECT mainWinRect; // RECT is defined in <windef.h>
+    mainWinRect.left = static_cast<LONG>(left);
+    mainWinRect.right = static_cast<LONG>(right);
+    mainWinRect.top = static_cast<LONG>(top);
+    mainWinRect.bottom = static_cast<LONG>(bottom);
+    ClipCursor(&mainWinRect); // Windows API
+}
+static void freeMouse()
+{
+    ClipCursor(nullptr);
+}
+
+#else
+// dummy
+static void restrictMouse(const int left, const int right,
+                          const int top, const int bottom)
+{}
+static void freeMouse()
+{}
+#endif // _WINDOWS_
+
 #define CURSOR_POS_CHECK 50
 
 InputConvertGame::InputConvertGame(Controller* controller)
@@ -97,6 +128,11 @@ void InputConvertGame::keyEvent(const QKeyEvent *from, const QSize& frameSize, c
         case KeyMap::KMT_CLICK_TWICE:
             processKeyClick(node.clickTwice.keyNode.pos, true, false, from);
             return;
+        case KeyMap::KMT_DRAG:
+            processKeyDrag(node.drag.startPos, node.drag.endPos, from);
+            return;
+        default:
+            break;
         }
     } else {
         InputConvertNormal::keyEvent(from, frameSize, showSize);
@@ -331,6 +367,17 @@ void InputConvertGame::processKeyClick(QPointF clickPos, bool clickTwice, bool s
     }
 }
 
+void InputConvertGame::processKeyDrag(QPointF startPos, QPointF endPos, const QKeyEvent* from)
+{
+    if(QEvent::KeyPress == from->type()){
+        int id = attachTouchID(from->key());
+        sendTouchDownEvent(id, startPos);
+        sendTouchMoveEvent(id, endPos);
+        sendTouchUpEvent(id, endPos);
+        detachTouchID(from->key());
+    }
+}
+
 bool InputConvertGame::processMouseClick(const QMouseEvent *from)
 {
     KeyMap::KeyMapNode& node = m_keyMap.getKeyMapNodeMouse(from->button());
@@ -451,7 +498,7 @@ bool InputConvertGame::switchGameMap()
     if (m_gameMap) {
         QGuiApplication::setOverrideCursor(QCursor(Qt::BlankCursor));
     } else {
-        mouseMoveStopTouch();        
+        mouseMoveStopTouch();
         QGuiApplication::restoreOverrideCursor();
     }
     return m_gameMap;
diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertgame.h b/QtScrcpy/device/controller/inputconvert/inputconvertgame.h
index 5313f7a..43d983c 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertgame.h
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertgame.h
@@ -41,6 +41,9 @@ protected:
     // click
     void processKeyClick(QPointF clickPos, bool clickTwice, bool switchMap, const QKeyEvent* from);
 
+    // drag
+    void processKeyDrag(QPointF startPos, QPointF endPos, const QKeyEvent* from);
+
     // mouse
     bool processMouseClick(const QMouseEvent* from);
     bool processMouseMove(const QMouseEvent* from);
diff --git a/QtScrcpy/device/controller/inputconvert/keymap/keymap.cpp b/QtScrcpy/device/controller/inputconvert/keymap/keymap.cpp
index 337adc4..c2b9086 100644
--- a/QtScrcpy/device/controller/inputconvert/keymap/keymap.cpp
+++ b/QtScrcpy/device/controller/inputconvert/keymap/keymap.cpp
@@ -313,12 +313,12 @@ void KeyMap::makeReverseMap()
 
 // ---- check and get of json item ----
 
-bool KeyMap::checkItemKey(const QJsonObject& node, QString name)
+bool KeyMap::checkItemKey(const QJsonObject& node, const QString& name)
 {
     return node.contains(name) && node.value(name).isString();
 }
 
-bool KeyMap::checkItemPos(const QJsonObject& node, QString name)
+bool KeyMap::checkItemPos(const QJsonObject& node, const QString& name)
 {
     if(node.contains(name) && node.value(name).isObject()){
         QJsonObject pos = node.value(name).toObject();
@@ -328,23 +328,23 @@ bool KeyMap::checkItemPos(const QJsonObject& node, QString name)
     return false;
 }
 
-bool KeyMap::checkItemDouble(const QJsonObject& node, QString name)
+bool KeyMap::checkItemDouble(const QJsonObject& node, const QString& name)
 {
     return node.contains(name) && node.value(name).isDouble();
 }
 
-bool KeyMap::checkItemSwitchMap(const QJsonObject& node, QString name)
+bool KeyMap::checkItemSwitchMap(const QJsonObject& node, const QString& name)
 {
     return !node.contains(name) || node.value(name).isBool();
 }
 
-KeyMap::KeyMapType KeyMap::getItemType(const QJsonObject& node, QString name)
+KeyMap::KeyMapType KeyMap::getItemType(const QJsonObject& node, const QString& name)
 {
     QString value = node.value(name).toString();
     return static_cast<KeyMap::KeyMapType>(m_metaEnumKeyMapType.keyToValue(value.toStdString().c_str()));
 }
 
-QPair<KeyMap::ActionType, int> KeyMap::getItemKey(const QJsonObject& node, QString name)
+QPair<KeyMap::ActionType, int> KeyMap::getItemKey(const QJsonObject& node, const QString& name)
 {
     QString value = node.value(name).toString();
     int key = m_metaEnumKey.keyToValue(value.toStdString().c_str());
@@ -358,18 +358,18 @@ QPair<KeyMap::ActionType, int> KeyMap::getItemKey(const QJsonObject& node, QStri
     }
 }
 
-QPointF KeyMap::getItemPos(const QJsonObject& node, QString name)
+QPointF KeyMap::getItemPos(const QJsonObject& node, const QString& name)
 {
     QJsonObject pos = node.value(name).toObject();
     return QPointF(pos.value("x").toDouble(), pos.value("y").toDouble());
 }
 
-double KeyMap::getItemNumber(const QJsonObject& node, QString name)
+double KeyMap::getItemNumber(const QJsonObject& node, const QString& name)
 {
     return node.value(name).toDouble();
 }
 
-bool KeyMap::getItemSwitchMap(const QJsonObject& node, QString name)
+bool KeyMap::getItemSwitchMap(const QJsonObject& node, const QString& name)
 {
     return node.value(name).toBool(false);
 }
diff --git a/QtScrcpy/device/controller/inputconvert/keymap/keymap.h b/QtScrcpy/device/controller/inputconvert/keymap/keymap.h
index 450fb0a..155e24e 100644
--- a/QtScrcpy/device/controller/inputconvert/keymap/keymap.h
+++ b/QtScrcpy/device/controller/inputconvert/keymap/keymap.h
@@ -103,16 +103,16 @@ private:
     void makeReverseMap();
 
     // parse json of the mapping script
-    bool checkItemKey(const QJsonObject& node, QString name="key");
-    bool checkItemPos(const QJsonObject& node, QString name="pos");
-    bool checkItemDouble(const QJsonObject& node, QString name);
-    bool checkItemSwitchMap(const QJsonObject& node, QString name="switchMap");
+    bool checkItemKey(const QJsonObject& node, const QString& name="key");
+    bool checkItemPos(const QJsonObject& node, const QString& name="pos");
+    bool checkItemDouble(const QJsonObject& node, const QString& name);
+    bool checkItemSwitchMap(const QJsonObject& node, const QString& name="switchMap");
 
-    KeyMapType getItemType(const QJsonObject& node, QString name="type");
-    QPair<ActionType, int> getItemKey(const QJsonObject& node, QString name="key");
-    QPointF getItemPos(const QJsonObject& node, QString name="pos");
-    double getItemNumber(const QJsonObject& node, QString name);
-    bool getItemSwitchMap(const QJsonObject& node, QString name="switchMap");
+    KeyMapType getItemType(const QJsonObject& node, const QString& name="type");
+    QPair<ActionType, int> getItemKey(const QJsonObject& node, const QString& name="key");
+    QPointF getItemPos(const QJsonObject& node, const QString& name="pos");
+    double getItemNumber(const QJsonObject& node, const QString& name);
+    bool getItemSwitchMap(const QJsonObject& node, const QString& name="switchMap");
 
 private:
     bool checkForClick(const QJsonObject& node);