From 61d2d47854cdf6d5347f6e858cadc863caeac184 Mon Sep 17 00:00:00 2001
From: "chunmao.guo" <chunmao.guo@bambulab.com>
Date: Tue, 9 Aug 2022 17:52:55 +0800
Subject: [PATCH] FIX: crash of PrinterFileSystem on program exiting

Change-Id: I68afa6768d4e594e7402c5aa8a3c78e363d17173
---
 src/slic3r/GUI/MediaFilePanel.cpp | 7 ++++++-
 src/slic3r/GUI/MediaFilePanel.h   | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/MediaFilePanel.cpp b/src/slic3r/GUI/MediaFilePanel.cpp
index 0f2fa8d2f..35974d44c 100644
--- a/src/slic3r/GUI/MediaFilePanel.cpp
+++ b/src/slic3r/GUI/MediaFilePanel.cpp
@@ -154,6 +154,11 @@ MediaFilePanel::MediaFilePanel(wxWindow * parent)
     parent->GetParent()->Bind(wxEVT_SHOW, onShowHide);
 }
 
+MediaFilePanel::~MediaFilePanel()
+{
+    SetMachineObject(nullptr);
+}
+
 void MediaFilePanel::SetMachineObject(MachineObject* obj)
 {
     std::string machine = obj ? obj->dev_id : "";
@@ -269,4 +274,4 @@ MediaFileFrame::MediaFileFrame(wxWindow* parent)
 
 void MediaFileFrame::on_dpi_changed(const wxRect& suggested_rect) { m_panel->Rescale(); Refresh(); }
 
-}}
\ No newline at end of file
+}}
diff --git a/src/slic3r/GUI/MediaFilePanel.h b/src/slic3r/GUI/MediaFilePanel.h
index 5c3045c53..68bfbe0e8 100644
--- a/src/slic3r/GUI/MediaFilePanel.h
+++ b/src/slic3r/GUI/MediaFilePanel.h
@@ -31,6 +31,8 @@ class MediaFilePanel : public wxPanel
 {
 public:
     MediaFilePanel(wxWindow * parent);
+    
+    ~MediaFilePanel();
 
     void SetMachineObject(MachineObject * obj);