From 82fe571cdc4ab2f7160b6728170ba2ac6e726f3d Mon Sep 17 00:00:00 2001
From: enricoturri1966 <enricoturri@seznam.cz>
Date: Tue, 15 Dec 2020 10:57:16 +0100
Subject: [PATCH] Give focus to 3D scene when activating any gizmo to allow
 related imgui dialogs to receive keyboard input

---
 src/slic3r/GUI/GLCanvas3D.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 4ec9f89c82..e778de8794 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -3092,6 +3092,10 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
     }
 
     if (m_gizmos.on_mouse(evt)) {
+        if (wxWindow::FindFocus() != this->m_canvas)
+            // Grab keyboard focus for input in gizmo dialogs.
+            m_canvas->SetFocus();
+
         if (evt.LeftUp() || evt.MiddleUp() || evt.RightUp())
             mouse_up_cleanup();