fix: mutter hidpi

Author: litwak913

core/src/cn/harryh/arkpets/ArkPets.java

@@ -249,8 +249,8 @@ protected void onMouseDrag() {
         if (getMouseButton() != Input.Buttons.RIGHT) {
             // Update window position
             var pos = WindowSystem.getMousePos();
-            int x = HdpiUtils.toBackBufferX(pos.x()) - getMouseX();
-            int y = HdpiUtils.toBackBufferX(pos.y()) - getMouseY();
+            int x = pos.x() - getMouseX();
+            int y = pos.y() - getMouseY();
             plane.changePosition(Gdx.graphics.getDeltaTime(), x, -(cha.camera.getHeight() + y));
             windowPosition.setToEnd();
             tray.hideDialog();

core/src/cn/harryh/arkpets/platform/MutterHWndCtrlFactory.java

@@ -3,6 +3,7 @@
 import cn.harryh.arkpets.Const;
 import cn.harryh.arkpets.rpc.MutterInterface;
 import cn.harryh.arkpets.rpc.MutterPluginInterface;
+import cn.harryh.arkpets.utils.HdpiUtils;
 import cn.harryh.arkpets.utils.Logger;
 import org.freedesktop.dbus.connections.impl.DBusConnection;
 import org.freedesktop.dbus.connections.impl.DBusConnectionBuilder;
@@ -60,7 +61,7 @@ public HWndCtrl getTopmostWindow() {
     @Override
     public HWndCtrl.MousePoint getMousePos() {
         MutterInterface.PointStruct pos = dBusInterface.Mouse();
-        return new HWndCtrl.MousePoint(pos.x, pos.y);
+        return new HWndCtrl.MousePoint(HdpiUtils.toBackBufferX(pos.x), HdpiUtils.toBackBufferY(pos.y));
     }
 
     @Override