From 39f8e9da822161a1952d092bbc7c7f18214aeb53 Mon Sep 17 00:00:00 2001
From: cutefishd <cutefishos@foxmail.com>
Date: Mon, 10 May 2021 10:26:23 +0800
Subject: [PATCH] Fix desktop crash

---
 model/positioner.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/model/positioner.cpp b/model/positioner.cpp
index 490369d..441bcd9 100644
--- a/model/positioner.cpp
+++ b/model/positioner.cpp
@@ -348,6 +348,9 @@ int Positioner::columnCount(const QModelIndex &parent) const
 
 void Positioner::reset()
 {
+    if (m_positions.isEmpty())
+        return;
+
     beginResetModel();
 
     initMaps();