From df250039dfb170c420649ec2dadcd2891b2aab27 Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Wed, 20 Mar 2019 09:33:30 +0100
Subject: [PATCH] Tech ENABLE_CANVAS_GUI_REFACTORING set as default

---
 src/libslic3r/Technologies.hpp |   2 -
 src/slic3r/GUI/GLCanvas3D.cpp  | 143 ---------------------------
 src/slic3r/GUI/GLCanvas3D.hpp  |  15 ---
 src/slic3r/GUI/GLToolbar.cpp   | 173 ---------------------------------
 src/slic3r/GUI/GLToolbar.hpp   |  50 +---------
 src/slic3r/GUI/GUI_Preview.cpp |  14 ---
 src/slic3r/GUI/GUI_Preview.hpp |   4 -
 src/slic3r/GUI/Plater.cpp      | 138 --------------------------
 src/slic3r/GUI/Plater.hpp      |   2 -
 9 files changed, 1 insertion(+), 540 deletions(-)

diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index 156a225bf6..ea3d878888 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -57,6 +57,4 @@
 #define ENABLE_SVG_ICONS (1 && ENABLE_1_42_0_ALPHA8 && ENABLE_TEXTURES_FROM_SVG)
 
 
-#define ENABLE_CANVAS_GUI_REFACTORING 1
-
 #endif // _technologies_h_
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 1236ee7b40..7fb1ad25ed 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -728,9 +728,6 @@ GLCanvas3D::Mouse::Drag::Drag()
 
 GLCanvas3D::Mouse::Mouse()
     : dragging(false)
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    , left_down(false)
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     , position(DBL_MAX, DBL_MAX)
     , scene_position(DBL_MAX, DBL_MAX, DBL_MAX)
     , ignore_up_event(false)
@@ -2067,9 +2064,6 @@ GLCanvas3D::GLCanvas3D(wxGLCanvas* canvas, Bed3D& bed, Camera& camera, GLToolbar
     , m_use_VBOs(false)
     , m_apply_zoom_to_volumes_filter(false)
     , m_hover_volume_id(-1)
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    , m_toolbar_action_running(false)
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     , m_legend_texture_enabled(false)
     , m_picking_enabled(false)
     , m_moving_enabled(false)
@@ -2373,21 +2367,6 @@ void GLCanvas3D::allow_multisample(bool allow)
     m_multisample_allowed = allow;
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-void GLCanvas3D::enable_toolbar_item(const std::string& name, bool enable)
-{
-    if (enable)
-        m_toolbar.enable_item(name);
-    else
-        m_toolbar.disable_item(name);
-}
-
-bool GLCanvas3D::is_toolbar_item_pressed(const std::string& name) const
-{
-    return m_toolbar.is_item_pressed(name);
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
 void GLCanvas3D::zoom_to_bed()
 {
     _zoom_to_bounding_box(m_bed.get_bounding_box());
@@ -2440,17 +2419,6 @@ void GLCanvas3D::update_volumes_colors_by_extruder()
         m_volumes.update_colors_by_extruder(m_config);
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-void GLCanvas3D::update_toolbar_items_visibility()
-{
-    ConfigOptionMode mode = wxGetApp().get_mode();
-    m_toolbar.set_item_visible("more", mode != comSimple);
-    m_toolbar.set_item_visible("fewer", mode != comSimple);
-    m_toolbar.set_item_visible("splitvolumes", mode != comSimple);
-    m_dirty = true;
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
 void GLCanvas3D::render()
 {
     wxCHECK_RET(!m_in_render, "GLCanvas3D::render() called recursively");
@@ -3103,10 +3071,8 @@ void GLCanvas3D::on_size(wxSizeEvent& evt)
 
 void GLCanvas3D::on_idle(wxIdleEvent& evt)
 {
-#if ENABLE_CANVAS_GUI_REFACTORING
     m_dirty |= m_toolbar.update_items_state();
     m_dirty |= m_view_toolbar.update_items_state();
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
     if (!m_dirty)
         return;
@@ -3386,7 +3352,6 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
 #endif /* SLIC3R_DEBUG_MOUSE_EVENTS */
 	}
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     bool processed_by_toolbar = m_toolbar.on_mouse(evt, *this);
     processed_by_toolbar |= m_view_toolbar.on_mouse(evt, *this);
 
@@ -3395,7 +3360,6 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
         m_mouse.set_start_position_3D_as_invalid();
         return;
     }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
     if (m_picking_enabled)
         _set_current();
@@ -3404,10 +3368,6 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
     int layer_editing_object_idx = is_layers_editing_enabled() ? selected_object_idx : -1;
     m_layers_editing.select_object(*m_model, layer_editing_object_idx);
     bool gizmos_overlay_contains_mouse = m_gizmos.overlay_contains_mouse(*this, m_mouse.position);
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    int toolbar_contains_mouse = m_toolbar.contains_mouse(m_mouse.position, *this);
-    int view_toolbar_contains_mouse = m_view_toolbar.contains_mouse(m_mouse.position, *this);
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
 
     if (m_mouse.drag.move_requires_threshold && m_mouse.is_move_start_threshold_position_2D_defined() && m_mouse.is_move_threshold_met(pos))
     {
@@ -3447,30 +3407,14 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
     {
         // to remove hover on objects when the mouse goes out of this canvas
         m_mouse.position = Vec2d(-1.0, -1.0);
-#if !ENABLE_CANVAS_GUI_REFACTORING
-        // ensure m_mouse.left_down is reset (it may happen when switching canvas)
-        m_mouse.left_down = false;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
         m_dirty = true;
     }
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    else if (evt.LeftDClick() && (toolbar_contains_mouse != -1))
-    {
-        m_toolbar_action_running = true;
-        m_mouse.set_start_position_3D_as_invalid();
-        m_toolbar.do_action((unsigned int)toolbar_contains_mouse, *this);
-    }
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     else if (evt.LeftDClick() && (m_gizmos.get_current_type() != Gizmos::Undefined))
     {
         m_mouse.ignore_up_event = true;
     }
     else if (evt.LeftDown() || evt.RightDown())
     {
-#if !ENABLE_CANVAS_GUI_REFACTORING
-        m_mouse.left_down = evt.LeftDown();
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
         // If user pressed left or right button we first check whether this happened
         // on a volume or not.
         m_layers_editing.state = LayersEditing::Unknown;
@@ -3522,17 +3466,6 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
         {
             // event was taken care of by the SlaSupports gizmo
         }
-#if !ENABLE_CANVAS_GUI_REFACTORING
-        else if (evt.LeftDown() && (view_toolbar_contains_mouse != -1))
-            m_view_toolbar.do_action((unsigned int)view_toolbar_contains_mouse, *this);
-        else if (evt.LeftDown() && (toolbar_contains_mouse != -1))
-        {
-            m_toolbar_action_running = true;
-            m_mouse.set_start_position_3D_as_invalid();
-            m_toolbar.do_action((unsigned int)toolbar_contains_mouse, *this);
-            m_mouse.left_down = false;
-        }
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
         else
         {
             // Select volume in this 3D canvas.
@@ -3692,11 +3625,7 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
         m_dirty = true;
     }
     // do not process dragging if the mouse is into any of the HUD elements
-#if ENABLE_CANVAS_GUI_REFACTORING
     else if (evt.Dragging() && !gizmos_overlay_contains_mouse)
-#else
-    else if (evt.Dragging() && !gizmos_overlay_contains_mouse && (toolbar_contains_mouse == -1) && (view_toolbar_contains_mouse == -1))
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     {
         m_mouse.dragging = true;
 
@@ -3706,11 +3635,7 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
                 _perform_layer_editing_action(&evt);
         }
         // do not process the dragging if the left mouse was set down in another canvas
-#if ENABLE_CANVAS_GUI_REFACTORING
         else if (evt.LeftIsDown())
-#else
-        else if (m_mouse.left_down && evt.LeftIsDown())
-#endif // ENABLE_CANVAS_GUI_REFACTORING
         {
             // if dragging over blank area with left button, rotate
             if ((m_hover_volume_id == -1) && m_mouse.is_start_position_3D_defined())
@@ -3767,11 +3692,7 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
             // that's why the mouse_event function was called so that the gizmo can refuse the deselection in manual editing mode
 
             // deselect and propagate event through callback
-#if ENABLE_CANVAS_GUI_REFACTORING
             if (!evt.ShiftDown() && m_picking_enabled && !m_mouse.ignore_up_event)
-#else
-            if (!evt.ShiftDown() && m_picking_enabled && !m_toolbar_action_running && !m_mouse.ignore_up_event)
-#endif // ENABLE_CANVAS_GUI_REFACTORING
             {
                 m_selection.clear();
                 m_selection.set_mode(Selection::Instance);
@@ -3851,10 +3772,6 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
         m_mouse.set_start_position_3D_as_invalid();
         m_mouse.set_start_position_2D_as_invalid();
         m_mouse.dragging = false;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-        m_mouse.left_down = false;
-        m_toolbar_action_running = false;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
         m_dirty = true;
 
         if (m_canvas->HasCapture())
@@ -3870,25 +3787,11 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
         if (m_selection.is_empty())
             m_gizmos.reset_all_states();
 
-#if ENABLE_CANVAS_GUI_REFACTORING
         if (tooltip.empty())
             tooltip = m_toolbar.get_tooltip();
 
         if (tooltip.empty())
             tooltip = m_view_toolbar.get_tooltip();
-#else
-        // updates toolbar overlay
-        if (tooltip.empty())
-            tooltip = m_toolbar.update_hover_state(m_mouse.position, *this);
-
-        // updates view toolbar overlay
-        if (tooltip.empty())
-        {
-            tooltip = m_view_toolbar.update_hover_state(m_mouse.position, *this);
-            if (!tooltip.empty())
-                m_dirty = true;
-        }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
         set_tooltip(tooltip);
 
@@ -4286,11 +4189,7 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Add...") + " [" + GUI::shortkey_ctrl_prefix() + "I]";
     item.sprite_id = 0;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_ADD)); };
-#else
-    item.action_event = EVT_GLTOOLBAR_ADD;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4300,12 +4199,8 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Delete") + " [Del]";
     item.sprite_id = 1;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_DELETE)); };
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_delete(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_DELETE;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4315,12 +4210,8 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Delete all") + " [" + GUI::shortkey_ctrl_prefix() + "Del]";
     item.sprite_id = 2;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_DELETE_ALL)); };
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_delete_all(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_DELETE_ALL;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4330,12 +4221,8 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Arrange [A]");
     item.sprite_id = 3;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_ARRANGE)); };
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_arrange(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_ARRANGE;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4348,13 +4235,9 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Add instance [+]");
     item.sprite_id = 4;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_MORE)); };
     item.visibility_callback = []()->bool { return wxGetApp().get_mode() != comSimple; };
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_increase_instances(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_MORE;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4364,13 +4247,9 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Remove instance [-]");
     item.sprite_id = 5;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_FEWER)); };
     item.visibility_callback = []()->bool { return wxGetApp().get_mode() != comSimple; };
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_decrease_instances(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_FEWER;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4383,13 +4262,9 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Split to objects");
     item.sprite_id = 6;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_SPLIT_OBJECTS)); };
     item.visibility_callback = GLToolbarItem::Default_Visibility_Callback;
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_split_to_objects(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_SPLIT_OBJECTS;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4399,13 +4274,9 @@ bool GLCanvas3D::_init_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Split to parts");
     item.sprite_id = 7;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_SPLIT_VOLUMES)); };
     item.visibility_callback = []()->bool { return wxGetApp().get_mode() != comSimple; };
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_split_to_volumes(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_SPLIT_VOLUMES;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -4419,22 +4290,12 @@ bool GLCanvas3D::_init_toolbar()
     item.tooltip = GUI::L_str("Layers editing");
     item.sprite_id = 8;
     item.is_toggable = true;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_LAYERSEDITING)); };
     item.visibility_callback = GLToolbarItem::Default_Visibility_Callback;
     item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_layers_editing(); };
-#else
-    item.action_event = EVT_GLTOOLBAR_LAYERSEDITING;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     if (!m_toolbar.add_item(item))
         return false;
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    enable_toolbar_item("add", true);
-
-    update_toolbar_items_visibility();
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     return true;
 }
 
@@ -4636,11 +4497,7 @@ void GLCanvas3D::_picking_pass() const
 {
     const Vec2d& pos = m_mouse.position;
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     if (m_picking_enabled && !m_mouse.dragging && (pos != Vec2d(DBL_MAX, DBL_MAX)))
-#else
-    if (m_picking_enabled && !m_mouse.dragging && !m_mouse.left_down && (pos != Vec2d(DBL_MAX, DBL_MAX)))
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     {
         // Render the object for picking.
         // FIXME This cannot possibly work in a multi - sampled context as the color gets mangled by the anti - aliasing.
diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index aec8a4a17b..4cbabc4384 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -310,9 +310,6 @@ class GLCanvas3D
         };
 
         bool dragging;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-        bool left_down;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
         Vec2d position;
         Vec3d scene_position;
         Drag drag;
@@ -579,9 +576,6 @@ private:
     bool m_use_VBOs;
     bool m_apply_zoom_to_volumes_filter;
     mutable int m_hover_volume_id;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    bool m_toolbar_action_running;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     bool m_warning_texture_enabled;
     bool m_legend_texture_enabled;
     bool m_picking_enabled;
@@ -660,11 +654,6 @@ public:
     void enable_dynamic_background(bool enable);
     void allow_multisample(bool allow);
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    void enable_toolbar_item(const std::string& name, bool enable);
-    bool is_toolbar_item_pressed(const std::string& name) const;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     void zoom_to_bed();
     void zoom_to_volumes();
     void zoom_to_selection();
@@ -672,10 +661,6 @@ public:
 
     void update_volumes_colors_by_extruder();
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    void update_toolbar_items_visibility();
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     bool is_dragging() const { return m_gizmos.is_dragging() || m_moving; }
 
     void render();
diff --git a/src/slic3r/GUI/GLToolbar.cpp b/src/slic3r/GUI/GLToolbar.cpp
index 715eb74426..5ac5bf92f5 100644
--- a/src/slic3r/GUI/GLToolbar.cpp
+++ b/src/slic3r/GUI/GLToolbar.cpp
@@ -30,11 +30,9 @@ wxDEFINE_EVENT(EVT_GLTOOLBAR_LAYERSEDITING, SimpleEvent);
 wxDEFINE_EVENT(EVT_GLVIEWTOOLBAR_3D, SimpleEvent);
 wxDEFINE_EVENT(EVT_GLVIEWTOOLBAR_PREVIEW, SimpleEvent);
 
-#if ENABLE_CANVAS_GUI_REFACTORING
 const GLToolbarItem::ActionCallback GLToolbarItem::Default_Action_Callback = [](){};
 const GLToolbarItem::VisibilityCallback GLToolbarItem::Default_Visibility_Callback = []()->bool { return true; };
 const GLToolbarItem::EnabledStateCallback GLToolbarItem::Default_Enabled_State_Callback = []()->bool { return true; };
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 GLToolbarItem::Data::Data()
     : name("")
@@ -45,33 +43,19 @@ GLToolbarItem::Data::Data()
     , sprite_id(-1)
     , is_toggable(false)
     , visible(true)
-#if ENABLE_CANVAS_GUI_REFACTORING
     , action_callback(Default_Action_Callback)
     , visibility_callback(Default_Visibility_Callback)
     , enabled_state_callback(Default_Enabled_State_Callback)
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 {
 }
 
 GLToolbarItem::GLToolbarItem(GLToolbarItem::EType type, const GLToolbarItem::Data& data)
     : m_type(type)
-#if ENABLE_CANVAS_GUI_REFACTORING
     , m_state(Normal)
-#else
-    , m_state(Disabled)
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     , m_data(data)
 {
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-void GLToolbarItem::do_action(wxEvtHandler *target)
-{
-    wxPostEvent(target, SimpleEvent(m_data.action_event));
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
-#if ENABLE_CANVAS_GUI_REFACTORING
 bool GLToolbarItem::update_visibility()
 {
     bool visible = m_data.visibility_callback();
@@ -91,7 +75,6 @@ bool GLToolbarItem::update_enabled_state()
 
     return ret;
 }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 void GLToolbarItem::render(unsigned int tex_id, float left, float right, float bottom, float top, unsigned int tex_width, unsigned int tex_height, unsigned int icon_size) const
 {
@@ -174,10 +157,8 @@ GLToolbar::GLToolbar(GLToolbar::EType type)
 #if ENABLE_SVG_ICONS
     , m_icons_texture_dirty(true)
 #endif // ENABLE_SVG_ICONS
-#if ENABLE_CANVAS_GUI_REFACTORING
     , m_mouse_capture({false, false, false})
     , m_tooltip("")
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 {
 }
 
@@ -342,32 +323,6 @@ float GLToolbar::get_height() const
     return m_layout.height;
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-void GLToolbar::enable_item(const std::string& name)
-{
-    for (GLToolbarItem* item : m_items)
-    {
-        if ((item->get_name() == name) && (item->get_state() == GLToolbarItem::Disabled))
-        {
-            item->set_state(GLToolbarItem::Normal);
-            return;
-        }
-    }
-}
-
-void GLToolbar::disable_item(const std::string& name)
-{
-    for (GLToolbarItem* item : m_items)
-    {
-        if (item->get_name() == name)
-        {
-            item->set_state(GLToolbarItem::Disabled);
-            return;
-        }
-    }
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
 void GLToolbar::select_item(const std::string& name)
 {
     if (is_item_disabled(name))
@@ -416,35 +371,6 @@ bool GLToolbar::is_item_visible(const std::string& name) const
     return false;
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-void GLToolbar::set_item_visible(const std::string& name, bool visible)
-{
-    for (GLToolbarItem* item : m_items)
-    {
-        if ((item->get_name() == name) && (item->is_visible() != visible))
-        {
-            item->set_visible(visible);
-            m_layout.dirty = true;
-            break;
-        }
-    }
-
-    // updates separators visibility to avoid having two consecutive
-    bool any_item_visible = false;
-    for (GLToolbarItem* item : m_items)
-    {
-        if (!item->is_separator())
-            any_item_visible |= item->is_visible();
-        else
-        {
-            item->set_visible(any_item_visible);
-            any_item_visible = false;
-        }
-    }
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
-#if ENABLE_CANVAS_GUI_REFACTORING
 bool GLToolbar::update_items_state()
 {
     bool ret = false;
@@ -452,73 +378,6 @@ bool GLToolbar::update_items_state()
     ret |= update_items_enabled_state();
     return ret;
 }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
-
-#if !ENABLE_CANVAS_GUI_REFACTORING
-std::string GLToolbar::update_hover_state(const Vec2d& mouse_pos, GLCanvas3D& parent)
-{
-    if (!m_enabled)
-        return "";
-
-    switch (m_layout.type)
-    {
-    default:
-    case Layout::Horizontal: { return update_hover_state_horizontal(mouse_pos, parent); }
-    case Layout::Vertical: { return update_hover_state_vertical(mouse_pos, parent); }
-    }
-}
-
-int GLToolbar::contains_mouse(const Vec2d& mouse_pos, const GLCanvas3D& parent) const
-{
-    if (!m_enabled)
-        return -1;
-
-    switch (m_layout.type)
-    {
-    default:
-    case Layout::Horizontal: { return contains_mouse_horizontal(mouse_pos, parent); }
-    case Layout::Vertical: { return contains_mouse_vertical(mouse_pos, parent); }
-    }
-}
-
-void GLToolbar::do_action(unsigned int item_id, GLCanvas3D& parent)
-{
-    if (item_id < (unsigned int)m_items.size())
-    {
-        GLToolbarItem* item = m_items[item_id];
-        if ((item != nullptr) && !item->is_separator() && item->is_hovered())
-        {
-            if (item->is_toggable())
-            {
-                GLToolbarItem::EState state = item->get_state();
-                if (state == GLToolbarItem::Hover)
-                    item->set_state(GLToolbarItem::HoverPressed);
-                else if (state == GLToolbarItem::HoverPressed)
-                    item->set_state(GLToolbarItem::Hover);
-
-                parent.render();
-                item->do_action(parent.get_wxglcanvas());
-            }
-            else
-            {
-                if (m_type == Radio)
-                    select_item(item->get_name());
-                else
-                    item->set_state(GLToolbarItem::HoverPressed);
-
-                parent.render();
-                item->do_action(parent.get_wxglcanvas());
-                if ((m_type == Normal) && (item->get_state() != GLToolbarItem::Disabled))
-                {
-                    // the item may get disabled during the action, if not, set it back to hover state
-                    item->set_state(GLToolbarItem::Hover);
-                    parent.render();
-                }
-            }
-        }
-    }
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
 
 void GLToolbar::render(const GLCanvas3D& parent) const
 {
@@ -545,7 +404,6 @@ void GLToolbar::render(const GLCanvas3D& parent) const
     ::glPopMatrix();
 }
 
-#if ENABLE_CANVAS_GUI_REFACTORING
 bool GLToolbar::on_mouse(wxMouseEvent& evt, GLCanvas3D& parent)
 {
     Vec2d mouse_pos((double)evt.GetX(), (double)evt.GetY());
@@ -592,7 +450,6 @@ bool GLToolbar::on_mouse(wxMouseEvent& evt, GLCanvas3D& parent)
 
     return processed;
 }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 void GLToolbar::calc_layout() const
 {
@@ -683,7 +540,6 @@ float GLToolbar::get_main_size() const
     return size;
 }
 
-#if ENABLE_CANVAS_GUI_REFACTORING
 void GLToolbar::do_action(unsigned int item_id, GLCanvas3D& parent)
 {
     if (item_id < (unsigned int)m_items.size())
@@ -734,7 +590,6 @@ std::string GLToolbar::update_hover_state(const Vec2d& mouse_pos, GLCanvas3D& pa
     case Layout::Vertical: { return update_hover_state_vertical(mouse_pos, parent); }
     }
 }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 std::string GLToolbar::update_hover_state_horizontal(const Vec2d& mouse_pos, GLCanvas3D& parent)
 {
@@ -945,7 +800,6 @@ std::string GLToolbar::update_hover_state_vertical(const Vec2d& mouse_pos, GLCan
     return tooltip;
 }
 
-#if ENABLE_CANVAS_GUI_REFACTORING
 int GLToolbar::contains_mouse(const Vec2d& mouse_pos, const GLCanvas3D& parent) const
 {
     if (!m_enabled)
@@ -958,7 +812,6 @@ int GLToolbar::contains_mouse(const Vec2d& mouse_pos, const GLCanvas3D& parent)
     case Layout::Vertical: { return contains_mouse_vertical(mouse_pos, parent); }
     }
 }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 int GLToolbar::contains_mouse_horizontal(const Vec2d& mouse_pos, const GLCanvas3D& parent) const
 {
@@ -983,10 +836,6 @@ int GLToolbar::contains_mouse_horizontal(const Vec2d& mouse_pos, const GLCanvas3
     float scaled_separator_size = m_layout.separator_size * factor;
     float scaled_gap_size = m_layout.gap_size * factor;
     float scaled_border = m_layout.border * factor;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    float separator_stride = scaled_separator_size + scaled_gap_size;
-    float icon_stride = scaled_icons_size + scaled_gap_size;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
 
     float left = m_layout.left + scaled_border;
     float top = m_layout.top - scaled_border;
@@ -1001,7 +850,6 @@ int GLToolbar::contains_mouse_horizontal(const Vec2d& mouse_pos, const GLCanvas3
             continue;
 
         if (item->is_separator())
-#if ENABLE_CANVAS_GUI_REFACTORING
         {
             float right = left + scaled_separator_size;
             float bottom = top - scaled_icons_size;
@@ -1022,9 +870,6 @@ int GLToolbar::contains_mouse_horizontal(const Vec2d& mouse_pos, const GLCanvas3
 
             left = right;
         }
-#else
-        left += separator_stride;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
         else
         {
             float right = left + scaled_icons_size;
@@ -1034,7 +879,6 @@ int GLToolbar::contains_mouse_horizontal(const Vec2d& mouse_pos, const GLCanvas3
             if ((left <= (float)scaled_mouse_pos(0)) && ((float)scaled_mouse_pos(0) <= right) && (bottom <= (float)scaled_mouse_pos(1)) && ((float)scaled_mouse_pos(1) <= top))
                 return id;
             
-#if ENABLE_CANVAS_GUI_REFACTORING
             left = right;
             right += scaled_gap_size;
 
@@ -1046,9 +890,6 @@ int GLToolbar::contains_mouse_horizontal(const Vec2d& mouse_pos, const GLCanvas3
             }
 
             left = right;
-#else
-            left += icon_stride;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
         }
     }
     
@@ -1078,10 +919,6 @@ int GLToolbar::contains_mouse_vertical(const Vec2d& mouse_pos, const GLCanvas3D&
     float scaled_separator_size = m_layout.separator_size * factor;
     float scaled_gap_size = m_layout.gap_size * factor;
     float scaled_border = m_layout.border * factor;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    float separator_stride = scaled_separator_size + scaled_gap_size;
-    float icon_stride = scaled_icons_size + scaled_gap_size;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
 
     float left = m_layout.left + scaled_border;
     float top = m_layout.top - scaled_border;
@@ -1096,7 +933,6 @@ int GLToolbar::contains_mouse_vertical(const Vec2d& mouse_pos, const GLCanvas3D&
             continue;
 
         if (item->is_separator())
-#if ENABLE_CANVAS_GUI_REFACTORING
         {
             float right = left + scaled_icons_size;
             float bottom = top - scaled_separator_size;
@@ -1117,9 +953,6 @@ int GLToolbar::contains_mouse_vertical(const Vec2d& mouse_pos, const GLCanvas3D&
 
             top = bottom;
         }
-#else
-            top -= separator_stride;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
         else
         {
             float right = left + scaled_icons_size;
@@ -1129,7 +962,6 @@ int GLToolbar::contains_mouse_vertical(const Vec2d& mouse_pos, const GLCanvas3D&
             if ((left <= (float)scaled_mouse_pos(0)) && ((float)scaled_mouse_pos(0) <= right) && (bottom <= (float)scaled_mouse_pos(1)) && ((float)scaled_mouse_pos(1) <= top))
                 return id;
 
-#if ENABLE_CANVAS_GUI_REFACTORING
             top = bottom;
             bottom -= scaled_gap_size;
 
@@ -1141,9 +973,6 @@ int GLToolbar::contains_mouse_vertical(const Vec2d& mouse_pos, const GLCanvas3D&
             }
 
             top = bottom;
-#else
-            top -= icon_stride;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
         }
     }
 
@@ -1498,7 +1327,6 @@ bool GLToolbar::generate_icons_texture() const
 }
 #endif // ENABLE_SVG_ICONS
 
-#if ENABLE_CANVAS_GUI_REFACTORING
 bool GLToolbar::update_items_visibility()
 {
     bool ret = false;
@@ -1541,7 +1369,6 @@ bool GLToolbar::update_items_enabled_state()
 
     return ret;
 }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 } // namespace GUI
 } // namespace Slic3r
diff --git a/src/slic3r/GUI/GLToolbar.hpp b/src/slic3r/GUI/GLToolbar.hpp
index cd5d3f83f7..07d1fcb92f 100644
--- a/src/slic3r/GUI/GLToolbar.hpp
+++ b/src/slic3r/GUI/GLToolbar.hpp
@@ -31,11 +31,9 @@ wxDECLARE_EVENT(EVT_GLVIEWTOOLBAR_PREVIEW, SimpleEvent);
 class GLToolbarItem
 {
 public:
-#if ENABLE_CANVAS_GUI_REFACTORING
     typedef std::function<void()> ActionCallback;
     typedef std::function<bool()> VisibilityCallback;
     typedef std::function<bool()> EnabledStateCallback;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
     enum EType : unsigned char
     {
@@ -63,24 +61,17 @@ public:
         std::string tooltip;
         unsigned int sprite_id;
         bool is_toggable;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-        wxEventType action_event;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
         bool visible;
-#if ENABLE_CANVAS_GUI_REFACTORING
         ActionCallback action_callback;
         VisibilityCallback visibility_callback;
         EnabledStateCallback enabled_state_callback;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
         Data();
     };
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     static const ActionCallback Default_Action_Callback;
     static const VisibilityCallback Default_Visibility_Callback;
     static const EnabledStateCallback Default_Enabled_State_Callback;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 private:
     EType m_type;
@@ -99,11 +90,7 @@ public:
 #endif // ENABLE_SVG_ICONS
     const std::string& get_tooltip() const { return m_data.tooltip; }
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     void do_action() { m_data.action_callback(); }
-#else
-    void do_action(wxEvtHandler *target);
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
     bool is_enabled() const { return m_state != Disabled; }
     bool is_disabled() const { return m_state == Disabled; }
@@ -112,27 +99,20 @@ public:
 
     bool is_toggable() const { return m_data.is_toggable; }
     bool is_visible() const { return m_data.visible; }
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    void set_visible(bool visible) { m_data.visible = visible; }
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     bool is_separator() const { return m_type == Separator; }
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     // returns true if the state changes
     bool update_visibility();
     // returns true if the state changes
     bool update_enabled_state();
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
     void render(unsigned int tex_id, float left, float right, float bottom, float top, unsigned int tex_width, unsigned int tex_height, unsigned int icon_size) const;
 
 private:
     GLTexture::Quad_UVs get_uvs(unsigned int tex_width, unsigned int tex_height, unsigned int icon_size) const;
-#if ENABLE_CANVAS_GUI_REFACTORING
     void set_visible(bool visible) { m_data.visible = visible; }
 
     friend class GLToolbar;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 };
 
 #if !ENABLE_SVG_ICONS
@@ -250,7 +230,7 @@ private:
     mutable Layout m_layout;
 
     ItemsList m_items;
-#if ENABLE_CANVAS_GUI_REFACTORING
+
     struct MouseCapture
     {
         bool left;
@@ -262,7 +242,6 @@ private:
 
     MouseCapture m_mouse_capture;
     std::string m_tooltip;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 public:
 #if ENABLE_SVG_ICONS
@@ -303,42 +282,21 @@ public:
     float get_width() const;
     float get_height() const;
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    void enable_item(const std::string& name);
-    void disable_item(const std::string& name);
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     void select_item(const std::string& name);
 
     bool is_item_pressed(const std::string& name) const;
     bool is_item_disabled(const std::string& name) const;
     bool is_item_visible(const std::string& name) const;
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     const std::string& get_tooltip() const { return m_tooltip; }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     // returns true if any item changed its state
     bool update_items_state();
-#else
-    void set_item_visible(const std::string& name, bool visible);
-#endif // ENABLE_CANVAS_GUI_REFACTORING
-
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    std::string update_hover_state(const Vec2d& mouse_pos, GLCanvas3D& parent);
-
-    // returns the id of the item under the given mouse position or -1 if none
-    int contains_mouse(const Vec2d& mouse_pos, const GLCanvas3D& parent) const;
-
-    void do_action(unsigned int item_id, GLCanvas3D& parent);
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
 
     void render(const GLCanvas3D& parent) const;    
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     bool on_mouse(wxMouseEvent& evt, GLCanvas3D& parent);
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 private:
     void calc_layout() const;
@@ -347,16 +305,12 @@ private:
     float get_height_horizontal() const;
     float get_height_vertical() const;
     float get_main_size() const;
-#if ENABLE_CANVAS_GUI_REFACTORING
     void do_action(unsigned int item_id, GLCanvas3D& parent);
     std::string update_hover_state(const Vec2d& mouse_pos, GLCanvas3D& parent);
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     std::string update_hover_state_horizontal(const Vec2d& mouse_pos, GLCanvas3D& parent);
     std::string update_hover_state_vertical(const Vec2d& mouse_pos, GLCanvas3D& parent);
-#if ENABLE_CANVAS_GUI_REFACTORING
     // returns the id of the item under the given mouse position or -1 if none
     int contains_mouse(const Vec2d& mouse_pos, const GLCanvas3D& parent) const;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     int contains_mouse_horizontal(const Vec2d& mouse_pos, const GLCanvas3D& parent) const;
     int contains_mouse_vertical(const Vec2d& mouse_pos, const GLCanvas3D& parent) const;
 
@@ -367,12 +321,10 @@ private:
     bool generate_icons_texture() const;
 #endif // ENABLE_SVG_ICONS
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     // returns true if any item changed its state
     bool update_items_visibility();
     // returns true if any item changed its state
     bool update_items_enabled_state();
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 };
 
 } // namespace GUI
diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index b76628b8d4..be3fad9ece 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -110,20 +110,6 @@ void View3D::mirror_selection(Axis axis)
         m_canvas->mirror_selection(axis);
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-void View3D::update_toolbar_items_visibility()
-{
-    if (m_canvas != nullptr)
-        m_canvas->update_toolbar_items_visibility();
-}
-
-void View3D::enable_toolbar_item(const std::string& name, bool enable)
-{
-    if (m_canvas != nullptr)
-        m_canvas->enable_toolbar_item(name, enable);
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
 int View3D::check_volumes_outside_state() const
 {
     return (m_canvas != nullptr) ? m_canvas->check_volumes_outside_state() : false;
diff --git a/src/slic3r/GUI/GUI_Preview.hpp b/src/slic3r/GUI/GUI_Preview.hpp
index 5a244abb73..182eaa9528 100644
--- a/src/slic3r/GUI/GUI_Preview.hpp
+++ b/src/slic3r/GUI/GUI_Preview.hpp
@@ -50,10 +50,6 @@ public:
     void delete_selected();
     void mirror_selection(Axis axis);
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    void update_toolbar_items_visibility();
-    void enable_toolbar_item(const std::string& name, bool enable);
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     int check_volumes_outside_state() const;
 
     bool is_layers_editing_enabled() const;
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 630586bb5d..f6efb1d913 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1227,7 +1227,6 @@ struct Plater::priv
     // Sets m_bed.m_polygon to limit the object placement.
     void set_bed_shape(const Pointfs& shape);
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     bool can_delete() const;
     bool can_delete_all() const;
     bool can_increase_instances() const;
@@ -1236,7 +1235,6 @@ struct Plater::priv
     bool can_split_to_volumes() const;
     bool can_arrange() const;
     bool can_layers_editing() const;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 private:
     bool init_object_menu();
@@ -1246,22 +1244,9 @@ private:
     bool complit_init_part_menu();
     void init_view_toolbar();
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    bool can_delete_object() const;
-    bool can_increase_instances() const;
-    bool can_decrease_instances() const;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     bool can_set_instance_to_object() const;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    bool can_split_to_objects() const;
-    bool can_split_to_volumes() const;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     bool can_split() const;
     bool layers_height_allowed() const;
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    bool can_delete_all() const;
-    bool can_arrange() const;
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     bool can_mirror() const;
 
     void update_fff_scene();
@@ -1821,14 +1806,6 @@ int Plater::priv::get_selected_volume_idx() const
 
 void Plater::priv::selection_changed()
 {
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    view3D->enable_toolbar_item("delete", can_delete_object());
-    view3D->enable_toolbar_item("more", can_increase_instances());
-    view3D->enable_toolbar_item("fewer", can_decrease_instances());
-    view3D->enable_toolbar_item("splitobjects", can_split());
-    view3D->enable_toolbar_item("splitvolumes", printer_technology == ptFFF && can_split());
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     // if the selection is not valid to allow for layer editing, we need to turn off the tool if it is running
     bool enable_layer_editing = layers_height_allowed();
     if (!enable_layer_editing && view3D->is_layers_editing_enabled()) {
@@ -1836,22 +1813,12 @@ void Plater::priv::selection_changed()
         on_action_layersediting(evt);
     }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    view3D->enable_toolbar_item("layersediting", enable_layer_editing);
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     // forces a frame render to update the view (to avoid a missed update if, for example, the context menu appears)
     view3D->render();
 }
 
 void Plater::priv::object_list_changed()
 {
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    // Enable/disable buttons depending on whether there are any objects on the platter.
-    view3D->enable_toolbar_item("deleteall", can_delete_all());
-    view3D->enable_toolbar_item("arrange", can_arrange());
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     const bool export_in_progress = this->background_process.is_export_scheduled(); // || ! send_gcode_file.empty());
     // XXX: is this right?
     const bool model_fits = view3D->check_volumes_outside_state() == ModelInstance::PVS_Inside;
@@ -1930,11 +1897,6 @@ void Plater::priv::arrange()
 
     wxBusyCursor wait;
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    // Disable the arrange button (to prevent reentrancies, we will call wxYied)
-    view3D->enable_toolbar_item("arrange", can_arrange());
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     this->background_process.stop();
     unsigned count = 0;
     for(auto obj : model.objects) count += obj->instances.size();
@@ -2005,11 +1967,6 @@ void Plater::priv::arrange()
     statusbar()->set_cancel_callback(); // remove cancel button
     arranging.store(false);
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    // We enable back the arrange button
-    view3D->enable_toolbar_item("arrange", can_arrange());
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     // Do a full refresh of scene tree, including regenerating all the GLVolumes.
     //FIXME The update function shall just reload the modified matrices.
     update(true);
@@ -2570,12 +2527,6 @@ void Plater::priv::on_process_completed(wxCommandEvent &evt)
 void Plater::priv::on_layer_editing_toggled(bool enable)
 {
     view3D->enable_layers_editing(enable);
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    if (enable && !view3D->is_layers_editing_enabled()) {
-        // Initialization of the OpenGL shaders failed. Disable the tool.
-        view3D->enable_toolbar_item("layersediting", false);
-    }
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
     view3D->set_as_dirty();
 }
 
@@ -2597,14 +2548,7 @@ void Plater::priv::on_action_split_volumes(SimpleEvent&)
 
 void Plater::priv::on_action_layersediting(SimpleEvent&)
 {
-#if ENABLE_CANVAS_GUI_REFACTORING
     view3D->enable_layers_editing(!view3D->is_layers_editing_enabled());
-#else
-    bool enable = !view3D->is_layers_editing_enabled();
-    view3D->enable_layers_editing(enable);
-    if (enable && !view3D->is_layers_editing_enabled())
-        view3D->enable_toolbar_item("layersediting", false);
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 }
 
 void Plater::priv::on_object_select(SimpleEvent& evt)
@@ -2764,11 +2708,7 @@ bool Plater::priv::init_common_menu(wxMenu* menu, const bool is_part/* = false*/
     if (q != nullptr)
     {
         q->Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_mirror()); }, item_mirror->GetId());
-#if ENABLE_CANVAS_GUI_REFACTORING
         q->Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_delete()); }, item_delete->GetId());
-#else
-        q->Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_delete_object()); }, item_delete->GetId());
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     }
 
     return true;
@@ -2873,11 +2813,7 @@ void Plater::priv::init_view_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("3D editor view") + " [" + GUI::shortkey_ctrl_prefix() + "5]";
     item.sprite_id = 0;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (this->q != nullptr) wxPostEvent(this->q, SimpleEvent(EVT_GLVIEWTOOLBAR_3D)); };
-#else
-    item.action_event = EVT_GLVIEWTOOLBAR_3D;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     item.is_toggable = false;
     if (!view_toolbar.add_item(item))
         return;
@@ -2888,67 +2824,21 @@ void Plater::priv::init_view_toolbar()
 #endif // ENABLE_SVG_ICONS
     item.tooltip = GUI::L_str("Preview") + " [" + GUI::shortkey_ctrl_prefix() + "6]";
     item.sprite_id = 1;
-#if ENABLE_CANVAS_GUI_REFACTORING
     item.action_callback = [this]() { if (this->q != nullptr) wxPostEvent(this->q, SimpleEvent(EVT_GLVIEWTOOLBAR_PREVIEW)); };
-#else
-    item.action_event = EVT_GLVIEWTOOLBAR_PREVIEW;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
     item.is_toggable = false;
     if (!view_toolbar.add_item(item))
         return;
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    view_toolbar.enable_item("3D");
-    view_toolbar.enable_item("Preview");
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
     view_toolbar.select_item("3D");
     view_toolbar.set_enabled(true);
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-bool Plater::priv::can_delete_object() const
-{
-    int obj_idx = get_selected_object_idx();
-    return (0 <= obj_idx) && (obj_idx < (int)model.objects.size());
-}
-
-bool Plater::priv::can_increase_instances() const
-{
-    int obj_idx = get_selected_object_idx();
-    return (0 <= obj_idx) && (obj_idx < (int)model.objects.size());
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
 bool Plater::priv::can_set_instance_to_object() const
 {
     const int obj_idx = get_selected_object_idx();
     return (0 <= obj_idx) && (obj_idx < (int)model.objects.size()) && (model.objects[obj_idx]->instances.size() > 1);
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-bool Plater::priv::can_decrease_instances() const
-{
-    int obj_idx = get_selected_object_idx();
-    return (0 <= obj_idx) && (obj_idx < (int)model.objects.size()) && (model.objects[obj_idx]->instances.size() > 1);
-}
-
-bool Plater::priv::can_split_to_objects() const
-{
-    int obj_idx = get_selected_object_idx();
-    return (0 <= obj_idx) && (obj_idx < (int)model.objects.size()) && !model.objects[obj_idx]->is_multiparts();
-}
-
-bool Plater::priv::can_split_to_volumes() const
-{
-    if (printer_technology == ptSLA)
-        return false;
-//     int obj_idx = get_selected_object_idx();
-//     return (0 <= obj_idx) && (obj_idx < (int)model.objects.size()) && !model.objects[obj_idx]->is_multiparts();
-    return sidebar->obj_list()->is_splittable();
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
 bool Plater::priv::can_split() const
 {
     return sidebar->obj_list()->is_splittable();
@@ -2960,18 +2850,6 @@ bool Plater::priv::layers_height_allowed() const
     return (0 <= obj_idx) && (obj_idx < (int)model.objects.size()) && config->opt_bool("variable_layer_height") && view3D->is_layers_editing_allowed();
 }
 
-#if !ENABLE_CANVAS_GUI_REFACTORING
-bool Plater::priv::can_delete_all() const
-{
-    return !model.objects.empty();
-}
-
-bool Plater::priv::can_arrange() const
-{
-    return !model.objects.empty() && !arranging.load();
-}
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
-
 bool Plater::priv::can_mirror() const
 {
     return get_selection().is_from_single_instance();
@@ -2987,7 +2865,6 @@ void Plater::priv::set_bed_shape(const Pointfs& shape)
     }
 }
 
-#if ENABLE_CANVAS_GUI_REFACTORING
 bool Plater::priv::can_delete() const
 {
     return !get_selection().is_empty();
@@ -3029,15 +2906,10 @@ bool Plater::priv::can_layers_editing() const
 {
     return layers_height_allowed();
 }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 void Plater::priv::update_object_menu()
 {
     sidebar->obj_list()->append_menu_items_add_volume(&object_menu);
-#if !ENABLE_CANVAS_GUI_REFACTORING
-    if (view3D != nullptr)
-        view3D->update_toolbar_items_visibility();
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
 }
 
 void Plater::priv::show_action_buttons(const bool is_ready_to_slice) const 
@@ -3520,17 +3392,9 @@ void Plater::on_config_change(const DynamicPrintConfig &config)
         } 
         else if(opt_key == "variable_layer_height") {
             if (p->config->opt_bool("variable_layer_height") != true) {
-#if !ENABLE_CANVAS_GUI_REFACTORING
-                p->view3D->enable_toolbar_item("layersediting", false);
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
                 p->view3D->enable_layers_editing(false);
                 p->view3D->set_as_dirty();
             }
-#if !ENABLE_CANVAS_GUI_REFACTORING
-            else if (p->view3D->is_layers_editing_allowed()) {
-                p->view3D->enable_toolbar_item("layersediting", true);
-            }
-#endif // !ENABLE_CANVAS_GUI_REFACTORING
         }
         else if(opt_key == "extruder_colour") {
             update_scheduled = true;
@@ -3652,7 +3516,6 @@ void Plater::fix_through_netfabb(const int obj_idx, const int vol_idx/* = -1*/)
 
 void Plater::update_object_menu() { p->update_object_menu(); }
 
-#if ENABLE_CANVAS_GUI_REFACTORING
 bool Plater::can_delete() const { return p->can_delete(); }
 bool Plater::can_delete_all() const { return p->can_delete_all(); }
 bool Plater::can_increase_instances() const { return p->can_increase_instances(); }
@@ -3661,6 +3524,5 @@ bool Plater::can_split_to_objects() const { return p->can_split_to_objects(); }
 bool Plater::can_split_to_volumes() const { return p->can_split_to_volumes(); }
 bool Plater::can_arrange() const { return p->can_arrange(); }
 bool Plater::can_layers_editing() const { return p->can_layers_editing(); }
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 }}    // namespace Slic3r::GUI
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 8746c1eefd..dc5a50cf1b 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -176,7 +176,6 @@ public:
     PrinterTechnology   printer_technology() const;
     void                set_printer_technology(PrinterTechnology printer_technology);
 
-#if ENABLE_CANVAS_GUI_REFACTORING
     bool can_delete() const;
     bool can_delete_all() const;
     bool can_increase_instances() const;
@@ -185,7 +184,6 @@ public:
     bool can_split_to_volumes() const;
     bool can_arrange() const;
     bool can_layers_editing() const;
-#endif // ENABLE_CANVAS_GUI_REFACTORING
 
 private:
     struct priv;