From cbbfc57f0f5dbd366d0182d0b4bd774afc064088 Mon Sep 17 00:00:00 2001
From: SoftFever <softfeverever@gmail.com>
Date: Sat, 31 Dec 2022 20:22:18 +0800
Subject: [PATCH] fix an issue that flow rate was not visible sometimes in
 object view

---
 src/slic3r/GUI/ParamsPanel.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/slic3r/GUI/ParamsPanel.cpp b/src/slic3r/GUI/ParamsPanel.cpp
index 7a6588719a..d4dcff3d91 100644
--- a/src/slic3r/GUI/ParamsPanel.cpp
+++ b/src/slic3r/GUI/ParamsPanel.cpp
@@ -598,13 +598,14 @@ void ParamsPanel::set_active_tab(wxPanel* tab)
         wxString title = cur_tab->type() == Preset::TYPE_FILAMENT ? _L("Filament settings") : _L("Printer settings");
         dialog->SetTitle(title);
     }
+    auto tab_print = dynamic_cast<Tab*>(m_tab_print);
     if (cur_tab == m_tab_print) {
-        if (cur_tab)
-            cur_tab->toggle_line("print_flow_ratio", false);
+        if (tab_print)
+            tab_print->toggle_line("print_flow_ratio", false);
     }
     else {
-        if (cur_tab)
-            cur_tab->toggle_line("print_flow_ratio", false);
+        if (tab_print)
+            tab_print->toggle_line("print_flow_ratio", false);
     }
 }