From 3fdc48452e65290ccc40cb5b438ec8bbc35b573f Mon Sep 17 00:00:00 2001
From: enricoturri1966 <enricoturri@seznam.cz>
Date: Thu, 8 Oct 2020 12:50:29 +0200
Subject: [PATCH] Modified rendering of DoubleSlider::Control when disabled

---
 src/slic3r/GUI/DoubleSlider.cpp | 31 +++++++++++++++++--------------
 src/slic3r/GUI/GUI_Preview.cpp  |  4 +++-
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/src/slic3r/GUI/DoubleSlider.cpp b/src/slic3r/GUI/DoubleSlider.cpp
index 7add05d9d..8507e5ed2 100644
--- a/src/slic3r/GUI/DoubleSlider.cpp
+++ b/src/slic3r/GUI/DoubleSlider.cpp
@@ -447,26 +447,29 @@ void Control::render()
     // and only in a case of no-empty m_values
     draw_colored_band(dc);
 
-    // draw line
-    draw_scroll_line(dc, lower_pos, higher_pos);
+    if (this->IsEnabled()) {
+        // draw line
+        draw_scroll_line(dc, lower_pos, higher_pos);
 
-    // draw color print ticks
-    draw_ticks(dc);
+        // draw color print ticks
+        draw_ticks(dc);
 
-    // draw both sliders
-    draw_thumbs(dc, lower_pos, higher_pos);
+        // draw both sliders
+        draw_thumbs(dc, lower_pos, higher_pos);
 
-    // draw lock/unlock
-    draw_one_layer_icon(dc);
 
-    // draw revert bitmap (if it's shown)
-    draw_revert_icon(dc);
+        // draw lock/unlock
+        draw_one_layer_icon(dc);
 
-    // draw cog bitmap (if it's shown)
-    draw_cog_icon(dc);
+        // draw revert bitmap (if it's shown)
+        draw_revert_icon(dc);
 
-    // draw mouse position
-    draw_tick_on_mouse_position(dc);
+        // draw cog bitmap (if it's shown)
+        draw_cog_icon(dc);
+
+        // draw mouse position
+        draw_tick_on_mouse_position(dc);
+    }
 }
 
 void Control::draw_action_icon(wxDC& dc, const wxPoint pt_beg, const wxPoint pt_end)
diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index fd505ef80..c15686db6 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -1173,8 +1173,10 @@ void Preview::update_moves_slider()
 
 void Preview::enable_moves_slider(bool enable)
 {
-    if (m_moves_slider != nullptr)
+    if (m_moves_slider != nullptr && m_moves_slider->IsEnabled() != enable) {
         m_moves_slider->Enable(enable);
+        m_moves_slider->Refresh();
+    }
 }
 #else
 void Preview::update_double_slider_from_canvas(wxKeyEvent & event)