From e44480d61f53d8b846f647cdacf2ef1c48735747 Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Tue, 10 Jul 2018 13:02:43 +0200
Subject: [PATCH] Supports were printed twice if synchronized with object
 layers, added always-on settings in ObjectSettingDialog

---
 lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm | 17 +++++++++++++++--
 xs/src/libslic3r/GCode.cpp                |  2 +-
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm b/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm
index 1ec0ce1cb..a20a241f7 100644
--- a/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm
+++ b/lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm
@@ -322,7 +322,13 @@ sub selection_changed {
         }
         # get default values
         my $default_config = Slic3r::Config::new_from_defaults_keys(\@opt_keys);
-        
+
+       # decide which settings will be shown by default
+        if ($itemData->{type} eq 'object') {
+            $config->set_ifndef('wipe_into_objects', 0);
+            $config->set_ifndef('wipe_into_infill', 0);
+        }
+
         # append default extruder
         push @opt_keys, 'extruder';
         $default_config->set('extruder', 0);
@@ -330,7 +336,14 @@ sub selection_changed {
         $self->{settings_panel}->set_default_config($default_config);
         $self->{settings_panel}->set_config($config);
         $self->{settings_panel}->set_opt_keys(\@opt_keys);
-        $self->{settings_panel}->set_fixed_options([qw(extruder)]);
+
+        # disable minus icon to remove the settings
+        if ($itemData->{type} eq 'object') {
+            $self->{settings_panel}->set_fixed_options([qw(extruder), qw(wipe_into_infill), qw(wipe_into_objects)]);
+	} else {
+            $self->{settings_panel}->set_fixed_options([qw(extruder)]);
+        }
+
         $self->{settings_panel}->enable;
     }
     
diff --git a/xs/src/libslic3r/GCode.cpp b/xs/src/libslic3r/GCode.cpp
index 10404c90c..f3813a56a 100644
--- a/xs/src/libslic3r/GCode.cpp
+++ b/xs/src/libslic3r/GCode.cpp
@@ -1365,7 +1365,7 @@ void GCode::process_layer(
                         m_avoid_crossing_perimeters.use_external_mp_once = true;
                     m_last_obj_copy = this_object_copy;
                     this->set_origin(unscale(copy.x), unscale(copy.y));
-                    if (object_by_extruder.support != nullptr) {
+                    if (object_by_extruder.support != nullptr && !print_wipe_extrusions) {
                         m_layer = layers[layer_id].support_layer;
                         gcode += this->extrude_support(
                             // support_extrusion_role is erSupportMaterial, erSupportMaterialInterface or erMixed for all extrusion paths.