cursor position and size update

Signed-off-by: fufesou <shuanglongchen@yeah.net>

flutter/lib/models/input_model.dart

@@ -310,7 +310,6 @@ class InputModel {
     }
   }
 
-
   int _signOrZero(num x) {
     if (x == 0) {
       return 0;
@@ -362,7 +361,6 @@ class InputModel {
     trackpadScrollDistance = Offset.zero;
   }
 
-
   void onPointDownImage(PointerDownEvent e) {
     debugPrint("onPointDownImage");
     if (e.kind != ui.PointerDeviceKind.mouse) {

flutter/lib/models/model.dart

@@ -244,7 +244,6 @@ class FfiModel with ChangeNotifier {
       parent.target?.canvasModel.updateViewStyle();
     }
     parent.target?.recordingModel.onSwitchDisplay();
-    parent.target?.inputModel.refreshMousePos();
     notifyListeners();
   }
 
@@ -621,6 +620,7 @@ class CanvasModel with ChangeNotifier {
     _y = (size.height - displayHeight * _scale) / 2;
     _imageOverflow.value = _x < 0 || y < 0;
     notifyListeners();
+    parent.target?.inputModel.refreshMousePos();
   }
 
   updateScrollStyle() async {