From fb21f9df440101739875eece1c45383272394cd1 Mon Sep 17 00:00:00 2001
From: fufesou <shuanglongchen@yeah.net>
Date: Mon, 27 Feb 2023 22:24:00 +0800
Subject: [PATCH] check divide by 0

Signed-off-by: fufesou <shuanglongchen@yeah.net>
---
 flutter/lib/models/model.dart | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
index 21949705f..fd97b1e5c 100644
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@@ -810,6 +810,10 @@ class CanvasModel with ChangeNotifier {
   double get tabBarHeight => stateGlobal.tabBarHeight;
 
   moveDesktopMouse(double x, double y) {
+    if (size.width == 0 || size.height == 0) {
+      return;
+    }
+
     // On mobile platforms, move the canvas with the cursor.
     final dw = getDisplayWidth() * _scale;
     final dh = getDisplayHeight() * _scale;