From 6c7c089fc4d88166c25a69a054fc79273e953313 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sun, 4 Jan 2015 19:29:34 +0100
Subject: [PATCH] Disable the "Export G-code" and "Send to print" buttons when
 other actions are pending

---
 lib/Slic3r/GUI/Plater.pm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 63f1685b8..951a4f30b 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -1001,6 +1001,9 @@ sub export_gcode {
         $self->on_export_completed($result);
     }
     
+    # this updates buttons status
+    $self->object_list_changed;
+    
     return $self->{export_gcode_output_file};
 }
 
@@ -1080,6 +1083,9 @@ sub on_export_completed {
     
     $self->send_gcode if $send_gcode;
     $self->{send_gcode_file} = undef;
+    
+    # this updates buttons status
+    $self->object_list_changed;
 }
 
 sub send_gcode {
@@ -1377,6 +1383,11 @@ sub object_list_changed {
     $self->{"btn_$_"}->$method
         for grep $self->{"btn_$_"}, qw(reset arrange export_gcode export_stl send_gcode);
     
+    if ($self->{export_gcode_output_file} || $self->{send_gcode_file}) {
+        $self->{btn_export_gcode}->Disable;
+        $self->{btn_send_gcode}->Disable;
+    }
+    
     if ($self->{htoolbar}) {
         $self->{htoolbar}->EnableTool($_, $have_objects)
             for (TB_RESET, TB_ARRANGE);