From b67064ef81334eec4769d35da4285af97b2fe07a Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Fri, 27 Apr 2018 14:08:22 +0200
Subject: [PATCH] Keyboard capture by 3D view on Linux

---
 lib/Slic3r/GUI/3DScene.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Slic3r/GUI/3DScene.pm b/lib/Slic3r/GUI/3DScene.pm
index 190e96052..17fcd4624 100644
--- a/lib/Slic3r/GUI/3DScene.pm
+++ b/lib/Slic3r/GUI/3DScene.pm
@@ -389,7 +389,7 @@ sub mouse_event {
 
     $self->_mouse_dragging($e->Dragging);
     
-    if ($e->Entering && &Wx::wxMSW) {
+    if ($e->Entering && (&Wx::wxMSW || $^O eq 'linux')) {
         # wxMSW needs focus in order to catch mouse wheel events
         $self->SetFocus;
         $self->_drag_start_xy(undef);