Implemented possibility to set extruder sequence for whole print

9 files changed, 445 insertions, 29 deletions

diff --git a/src/slic3r/CMakeLists.txt b/src/slic3r/CMakeLists.txt
index 17b76e629..253488cd4 100644
--- a/src/slic3r/CMakeLists.txt
+++ b/src/slic3r/CMakeLists.txt
@@ -105,6 +105,8 @@ set(SLIC3R_GUI_SOURCES
     GUI/Camera.hpp
     GUI/wxExtensions.cpp
     GUI/wxExtensions.hpp
+    GUI/ExtruderSequenceDialog.cpp
+    GUI/ExtruderSequenceDialog.hpp
     GUI/WipeTowerDialog.cpp
     GUI/WipeTowerDialog.hpp
     GUI/RammingChart.cpp
diff --git a/src/slic3r/GUI/ExtruderSequenceDialog.cpp b/src/slic3r/GUI/ExtruderSequenceDialog.cpp
new file mode 100644
index 000000000..408826957
--- /dev/null
+++ b/src/slic3r/GUI/ExtruderSequenceDialog.cpp
@@ -0,0 +1,197 @@
+#include "ExtruderSequenceDialog.hpp"
+
+#include <wx/wx.h>
+#include <wx/stattext.h>
+#include <wx/dialog.h>
+#include <wx/sizer.h>
+#include <wx/bmpcbox.h>
+
+#include <vector>
+#include <set>
+#include <functional>
+
+#include "GUI.hpp"
+#include "GUI_App.hpp"
+#include "I18N.hpp"
+#include "OptionsGroup.hpp"
+
+
+namespace Slic3r {
+namespace GUI {
+
+ExtruderSequenceDialog::ExtruderSequenceDialog(const DoubleSlider::ExtrudersSequence& sequence)
+    : DPIDialog(NULL, wxID_ANY, wxString(SLIC3R_APP_NAME) + " - " + _(L("Set extruder sequence")),
+        wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER),
+    m_sequence(sequence)
+{
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+    SetDoubleBuffered(true);
+    SetFont(wxGetApp().normal_font());
+
+    auto main_sizer = new wxBoxSizer(wxVERTICAL);
+    const int em = wxGetApp().em_unit();
+
+    m_bmp_del = ScalableBitmap(this, "remove_copies");
+    m_bmp_add = ScalableBitmap(this, "add_copies");
+
+    auto option_sizer = new wxBoxSizer(wxVERTICAL);
+
+    auto intervals_box = new wxStaticBox(this, wxID_ANY, _(L("Set extruder change for every"))+ " : ");
+    auto intervals_box_sizer = new wxStaticBoxSizer(intervals_box, wxVERTICAL);
+
+    m_intervals_grid_sizer = new wxFlexGridSizer(3, 5, em);
+
+    auto editor_sz = wxSize(4*em, wxDefaultCoord);
+
+    wxRadioButton* rb_by_layers = new wxRadioButton(this, wxID_ANY, "");
+    rb_by_layers->Bind(wxEVT_RADIOBUTTON, [this](wxEvent&) { m_sequence.is_mm_intervals = false; });
+
+    wxStaticText* st_by_layers = new wxStaticText(this, wxID_ANY, _(L("layers")));
+    m_interval_by_layers = new wxTextCtrl(this, wxID_ANY, 
+                                          wxString::Format("%d", m_sequence.interval_by_layers), 
+                                          wxDefaultPosition, editor_sz);
+    m_interval_by_layers->Bind(wxEVT_TEXT, [this, rb_by_layers](wxEvent&)
+    {
+        wxString str = m_interval_by_layers->GetValue();
+        if (str.IsEmpty()) {
+            m_interval_by_layers->SetValue(wxString::Format("%d", m_sequence.interval_by_layers));
+            return;
+        }
+
+        m_sequence.interval_by_layers = wxAtoi(str);
+
+        m_sequence.is_mm_intervals = false;
+        rb_by_layers->SetValue(true);
+    });
+
+    m_intervals_grid_sizer->Add(rb_by_layers, 0, wxALIGN_CENTER_VERTICAL);
+    m_intervals_grid_sizer->Add(m_interval_by_layers,0, wxALIGN_CENTER_VERTICAL);
+    m_intervals_grid_sizer->Add(st_by_layers,0, wxALIGN_CENTER_VERTICAL);
+
+    wxRadioButton* rb_by_mm = new wxRadioButton(this, wxID_ANY, "");
+    rb_by_mm->Bind(wxEVT_RADIOBUTTON, [this](wxEvent&) { m_sequence.is_mm_intervals = true; });
+    rb_by_mm->SetValue(m_sequence.is_mm_intervals);
+
+    wxStaticText* st_by_mm = new wxStaticText(this, wxID_ANY, _(L("mm")));
+    m_interval_by_mm = new wxTextCtrl(this, wxID_ANY, 
+                                      double_to_string(sequence.interval_by_mm), 
+                                      wxDefaultPosition, editor_sz);
+    m_interval_by_mm->Bind(wxEVT_TEXT, [this, rb_by_mm](wxEvent&)
+    {
+        wxString str = m_interval_by_mm->GetValue();
+        if (str.IsEmpty()) {
+            m_interval_by_mm->SetValue(wxString::Format("%d", m_sequence.interval_by_mm));
+            return;
+        }
+
+        str.Replace(",", ".", false);
+        double val;
+        if (str == "." || !str.ToCDouble(&val))
+            val = 0.0;
+
+        m_sequence.interval_by_mm = val;
+
+        m_sequence.is_mm_intervals = true;
+        rb_by_mm->SetValue(true);
+    });
+
+    m_intervals_grid_sizer->Add(rb_by_mm, 0, wxALIGN_CENTER_VERTICAL);
+    m_intervals_grid_sizer->Add(m_interval_by_mm,0, wxALIGN_CENTER_VERTICAL);
+    m_intervals_grid_sizer->Add(st_by_mm,0, wxALIGN_CENTER_VERTICAL);
+
+    intervals_box_sizer->Add(m_intervals_grid_sizer, 0, wxLEFT, em);
+    option_sizer->Add(intervals_box_sizer, 0, wxEXPAND);
+
+    
+    auto extruders_box = new wxStaticBox(this, wxID_ANY, _(L("Set extruder(tool) sequence"))+ " : ");
+    auto extruders_box_sizer = new wxStaticBoxSizer(extruders_box, wxVERTICAL);
+
+    m_extruders_grid_sizer = new wxFlexGridSizer(3, 5, em);
+
+    apply_extruder_sequence();    
+
+    extruders_box_sizer->Add(m_extruders_grid_sizer, 0, wxALL, em);
+    option_sizer->Add(extruders_box_sizer, 0, wxEXPAND | wxTOP, em);
+
+    main_sizer->Add(option_sizer, 0, wxEXPAND | wxALL, em);
+
+    wxStdDialogButtonSizer* buttons = this->CreateStdDialogButtonSizer(wxOK | wxCANCEL);
+    main_sizer->Add(buttons, 0, wxEXPAND | wxRIGHT | wxBOTTOM, em);
+
+    SetSizer(main_sizer);
+    main_sizer->SetSizeHints(this);
+}
+
+void ExtruderSequenceDialog::apply_extruder_sequence()
+{
+    Freeze();
+    m_extruders_grid_sizer->Clear(true);
+
+    for (size_t extruder=0; extruder < m_sequence.extruders.size(); ++extruder)
+    {
+        wxBitmapComboBox* extruder_selector = nullptr;
+        apply_extruder_selector(&extruder_selector, this);
+        extruder_selector->SetSelection(m_sequence.extruders[extruder]);
+
+        extruder_selector->Bind(wxEVT_COMBOBOX, [this, extruder_selector, extruder](wxCommandEvent& evt)
+        {
+            m_sequence.extruders[extruder] = extruder_selector->GetSelection();
+            evt.StopPropagation();
+        });
+
+        auto del_btn = new ScalableButton(this, wxID_ANY, m_bmp_del);
+        del_btn->SetToolTip(_(L("Remove extruder from sequence")));
+        if (m_sequence.extruders.size()==1)
+            del_btn->Disable();
+
+        del_btn->Bind(wxEVT_BUTTON, [this, extruder](wxEvent&) {
+            m_sequence.delete_extruder(extruder);
+            apply_extruder_sequence();
+        });
+
+        auto add_btn = new ScalableButton(this, wxID_ANY, m_bmp_add);
+        add_btn->SetToolTip(_(L("Add extruder to sequence")));
+
+        add_btn->Bind(wxEVT_BUTTON, [this, extruder](wxEvent&) {
+            m_sequence.add_extruder(extruder);
+            apply_extruder_sequence();
+        });
+
+        m_extruders_grid_sizer->Add(extruder_selector);
+        m_extruders_grid_sizer->Add(del_btn);
+        m_extruders_grid_sizer->Add(add_btn);
+    }
+
+    Fit();
+    Refresh();
+
+    Thaw();
+}
+
+void ExtruderSequenceDialog::on_dpi_changed(const wxRect& suggested_rect)
+{
+    SetFont(wxGetApp().normal_font());
+
+    m_bmp_add.msw_rescale();
+    m_bmp_del.msw_rescale();
+
+    const int em = em_unit();
+
+    m_intervals_grid_sizer->SetHGap(em);
+    m_intervals_grid_sizer->SetVGap(em);
+    m_extruders_grid_sizer->SetHGap(em);
+    m_extruders_grid_sizer->SetVGap(em);
+
+    msw_buttons_rescale(this, em, { wxID_OK, wxID_CANCEL });
+
+    // wxSize size = get_size();
+    // SetMinSize(size);
+
+    Fit();
+    Refresh();
+}
+
+}
+}
+
+
diff --git a/src/slic3r/GUI/ExtruderSequenceDialog.hpp b/src/slic3r/GUI/ExtruderSequenceDialog.hpp
new file mode 100644
index 000000000..3efd9e3a2
--- /dev/null
+++ b/src/slic3r/GUI/ExtruderSequenceDialog.hpp
@@ -0,0 +1,45 @@
+#ifndef slic3r_GUI_ExtruderSequenceDialog_hpp_
+#define slic3r_GUI_ExtruderSequenceDialog_hpp_
+
+#include "GUI_Utils.hpp"
+#include "wxExtensions.hpp"
+
+class wxTextCtrl;
+class wxFlexGridSizer;
+
+namespace Slic3r {
+namespace GUI {
+
+// ----------------------------------------------------------------------------
+// ExtruderSequenceDialog: a node inside ObjectDataViewModel
+// ----------------------------------------------------------------------------
+
+class ExtruderSequenceDialog: public DPIDialog
+{
+    ScalableBitmap  m_bmp_del;
+    ScalableBitmap  m_bmp_add;
+    DoubleSlider::ExtrudersSequence m_sequence;
+
+    wxTextCtrl* m_interval_by_layers {nullptr}; 
+    wxTextCtrl* m_interval_by_mm {nullptr};
+
+    wxFlexGridSizer* m_intervals_grid_sizer {nullptr};
+    wxFlexGridSizer* m_extruders_grid_sizer {nullptr};
+public:
+    ExtruderSequenceDialog(const DoubleSlider::ExtrudersSequence& sequence);
+
+    ~ExtruderSequenceDialog() {}
+
+    DoubleSlider::ExtrudersSequence GetValue() { return m_sequence; }
+
+protected:
+    void apply_extruder_sequence();
+    void on_dpi_changed(const wxRect& suggested_rect) override;
+    
+};
+
+}
+}
+
+
+#endif // slic3r_GUI_ExtruderSequenceDialog_hpp_
diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index dc48a218c..377c26e79 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -895,10 +895,12 @@ void ObjectList::extruder_editing()
     if (!item || !(m_objects_model->GetItemType(item) & (itVolume | itObject)))
         return;
 
+    // ! #ys Use ApplyExtruderSelector instead this code
+    /*
     std::vector<wxBitmap*> icons = get_extruder_color_icons();
     if (icons.empty())
         return;
-
+    */
     const int column_width = GetColumn(colExtruder)->GetWidth() + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X) + 5;
 
     wxPoint pos = get_mouse_position_in_control();
@@ -906,6 +908,10 @@ void ObjectList::extruder_editing()
     pos.x = GetColumn(colName)->GetWidth() + GetColumn(colPrint)->GetWidth() + 5;
     pos.y -= GetTextExtent("m").y;
 
+    apply_extruder_selector(&m_extruder_editor, this, L("default"), pos, size);
+
+    // ! #ys Use ApplyExtruderSelector instead this code
+    /*
     if (!m_extruder_editor)
         m_extruder_editor = new wxBitmapComboBox(this, wxID_ANY, wxEmptyString, pos, size,
                                                  0, nullptr, wxCB_READONLY);
@@ -928,6 +934,7 @@ void ObjectList::extruder_editing()
         m_extruder_editor->Append(wxString::Format("%d", i), *bmp);
         ++i;
     }
+    */
     m_extruder_editor->SetSelection(m_objects_model->GetExtruderNumber(item));
 
     auto set_extruder = [this]()
@@ -948,13 +955,6 @@ void ObjectList::extruder_editing()
         set_extruder();
         evt.StopPropagation();
     });
-    /*
-    m_extruder_editor->Bind(wxEVT_KILL_FOCUS, [set_extruder](wxFocusEvent& evt)
-    {
-        set_extruder();
-        evt.Skip();
-    });*/
-
 }
 
 void ObjectList::copy()
diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index 91ffa4a5a..e462e7c1d 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -602,16 +602,7 @@ void Preview::update_view_type(bool slice_completed)
 
 void Preview::update_extruder_selector()
 {
-    m_extruder_selector->Clear();
-
-    m_extruder_selector->Append("Whole print");
-    const int extruder_cnt = wxGetApp().extruders_edited_cnt();
-    int i = 0;
-    while (i < extruder_cnt)
-    {
-        i++;
-        m_extruder_selector->Append(wxString::Format("Extruder %d", i));
-    }
+    apply_extruder_selector(&m_extruder_selector, this, L("Whole print"));
 }
 
 void Preview::create_double_slider()
@@ -620,7 +611,6 @@ void Preview::create_double_slider()
     // #ys_FIXME_COLOR
     // m_double_slider_sizer->Add(m_slider, 0, wxEXPAND, 0);
 
-    m_extruder_selector = new wxComboBox(this, wxID_ANY);
     update_extruder_selector();
     m_extruder_selector->SetSelection(0);
     m_extruder_selector->Bind(wxEVT_COMBOBOX, [this](wxCommandEvent& evt)
@@ -628,6 +618,7 @@ void Preview::create_double_slider()
         m_slider->SetManipulationState(m_extruder_selector->GetSelection() == 0 ? 
                                        DoubleSlider::msMultiExtruderWholePrint :
                                        DoubleSlider::msMultiExtruder);
+        evt.StopPropagation();
     });
     m_extruder_selector->Disable(); // temporary disabled to suppress extruder selection
 
diff --git a/src/slic3r/GUI/GUI_Preview.hpp b/src/slic3r/GUI/GUI_Preview.hpp
index 574f827e2..64b8baa7f 100644
--- a/src/slic3r/GUI/GUI_Preview.hpp
+++ b/src/slic3r/GUI/GUI_Preview.hpp
@@ -13,6 +13,7 @@ class wxBoxSizer;
 class wxStaticText;
 class wxChoice;
 class wxComboCtrl;
+class wxBitmapComboBox;
 class wxCheckBox;
 class DoubleSlider;
 
@@ -102,8 +103,8 @@ class Preview : public wxPanel
     bool m_loaded;
     bool m_enabled;
 
-    DoubleSlider* m_slider {nullptr};
-    wxComboBox*   m_extruder_selector {nullptr};
+    DoubleSlider*       m_slider {nullptr};
+    wxBitmapComboBox*   m_extruder_selector {nullptr};
 
 public:
     Preview(wxWindow* parent, Bed3D& bed, Camera& camera, GLToolbar& view_toolbar, Model* model, DynamicPrintConfig* config, 
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 477a0b242..1cbbfda5a 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -4981,6 +4981,9 @@ std::vector<std::string> Plater::get_extruder_colors_from_plater_config() const
         return extruder_colors;
 
     extruder_colors = (config->option<ConfigOptionStrings>("extruder_colour"))->values;
+    if (!wxGetApp().plater())
+        return extruder_colors;
+
     const std::vector<std::string>& filament_colours = (p->config->option<ConfigOptionStrings>("filament_colour"))->values;
     for (size_t i = 0; i < extruder_colors.size(); ++i)
         if (extruder_colors[i] == "" && i < filament_colours.size())
diff --git a/src/slic3r/GUI/wxExtensions.cpp b/src/slic3r/GUI/wxExtensions.cpp
index a103e6e0d..4528a14cc 100644
--- a/src/slic3r/GUI/wxExtensions.cpp
+++ b/src/slic3r/GUI/wxExtensions.cpp
@@ -22,6 +22,7 @@
 #include "I18N.hpp"
 #include "GUI_Utils.hpp"
 #include "PresetBundle.hpp"
+#include "ExtruderSequenceDialog.hpp"
 #include "../Utils/MacDarkMode.hpp"
 
 using Slic3r::GUI::from_u8;
@@ -449,7 +450,7 @@ wxBitmap create_scaled_bitmap(wxWindow *win, const std::string& bmp_name_in,
 
 
 Slic3r::GUI::BitmapCache* m_bitmap_cache = nullptr;
-/*static*/ std::vector<wxBitmap*> get_extruder_color_icons()
+std::vector<wxBitmap*> get_extruder_color_icons()
 {
     // Create the bitmap with color bars.
     std::vector<wxBitmap*> bmps;
@@ -493,6 +494,42 @@ static wxBitmap get_extruder_color_icon(size_t extruder_idx)
     return *bmps[extruder_idx >= bmps.size() ? 0 : extruder_idx];
 }
 
+void apply_extruder_selector(wxBitmapComboBox** ctrl, 
+                             wxWindow* parent,
+                             const std::string& first_item/* = ""*/, 
+                             wxPoint pos/* = wxDefaultPosition*/,
+                             wxSize size/* = wxDefaultSize*/)
+{
+    std::vector<wxBitmap*> icons = get_extruder_color_icons();
+    if (icons.empty())
+        return;
+
+    if (!*ctrl)
+        *ctrl = new wxBitmapComboBox(parent, wxID_ANY, wxEmptyString, pos, size,
+            0, nullptr, wxCB_READONLY);
+    else
+    {
+        (*ctrl)->SetPosition(pos);
+        (*ctrl)->SetMinSize(size);
+        (*ctrl)->SetSize(size);
+        (*ctrl)->Clear();
+    }
+
+    int i = 0;
+    for (wxBitmap* bmp : icons) {
+        if (i == 0) {
+            if (!first_item.empty())
+                (*ctrl)->Append(_(first_item), *bmp);
+            ++i;
+        }
+
+        (*ctrl)->Append(wxString::Format("%d", i), *bmp);
+        ++i;
+    }
+    (*ctrl)->SetSelection(0);
+}
+
+
 // *****************************************************************************
 // ----------------------------------------------------------------------------
 // ObjectDataViewModelNode
@@ -2248,6 +2285,8 @@ DoubleSlider::DoubleSlider( wxWindow *parent,
 
     m_bmp_revert               = ScalableBitmap(this, "undo");
     m_revert_icon_dim = m_bmp_revert.bmp().GetSize().x;
+    m_bmp_cog                  = ScalableBitmap(this, "cog");
+    m_cog_icon_dim    = m_bmp_cog.bmp().GetSize().x;
 
     m_selection = ssUndef;
 
@@ -2306,6 +2345,8 @@ void DoubleSlider::msw_rescale()
 
     m_bmp_revert.msw_rescale();
     m_revert_icon_dim = m_bmp_revert.bmp().GetSize().x;
+    m_bmp_cog.msw_rescale();
+    m_cog_icon_dim = m_bmp_cog.bmp().GetSize().x;
 
     SLIDER_MARGIN = 4 + Slic3r::GUI::wxGetApp().em_unit();
 
@@ -2610,6 +2651,9 @@ void DoubleSlider::render()
 
     //draw revert bitmap (if it's shown)
     draw_revert_icon(dc);
+
+    //draw cog bitmap (if it's shown)
+    draw_cog_icon(dc);
 }
 
 void DoubleSlider::draw_action_icon(wxDC& dc, const wxPoint pt_beg, const wxPoint pt_end)
@@ -2880,6 +2924,24 @@ void DoubleSlider::draw_revert_icon(wxDC& dc)
     m_rect_revert_icon = wxRect(x_draw, y_draw, m_revert_icon_dim, m_revert_icon_dim);
 }
 
+void DoubleSlider::draw_cog_icon(wxDC& dc)
+{
+    if (m_state != msMultiExtruderWholePrint)
+        return;
+
+    int width, height;
+    get_size(&width, &height);
+
+    wxCoord x_draw, y_draw;
+    is_horizontal() ? x_draw = width-2 : x_draw = width - m_cog_icon_dim - 2;
+    is_horizontal() ? y_draw = height - m_cog_icon_dim - 2 : y_draw = height-2;
+
+    dc.DrawBitmap(m_bmp_cog.bmp(), x_draw, y_draw);
+
+    //update rect of the lock/unlock icon
+    m_rect_cog_icon = wxRect(x_draw, y_draw, m_cog_icon_dim, m_cog_icon_dim);
+}
+
 void DoubleSlider::update_thumb_rect(const wxCoord& begin_x, const wxCoord& begin_y, const SelectedSlider& selection)
 {
     const wxRect& rect = wxRect(begin_x, begin_y, m_thumb_size.x, m_thumb_size.y);
@@ -2990,6 +3052,46 @@ void DoubleSlider::OnLeftDown(wxMouseEvent& event)
         m_ticks_.clear();
         wxPostEvent(this->GetParent(), wxCommandEvent(wxCUSTOMEVT_TICKSCHANGED));
     }
+    else if (is_point_in_rect(pos, m_rect_cog_icon) && m_state == msMultiExtruderWholePrint) {
+        // show dialog for set extruder sequence
+        Slic3r::GUI::ExtruderSequenceDialog dlg(m_extruders_sequence);
+        if (dlg.ShowModal() != wxID_OK)
+            return;
+
+        m_extruders_sequence = dlg.GetValue();
+
+        m_ticks_.erase(std::remove_if(m_ticks_.begin(), m_ticks_.end(),
+            [](TICK_CODE tick) { return tick.gcode == "tool_change"; }), m_ticks_.end());
+
+        int tick = 0;
+        double value = 0.0;
+        int extruder = 0; 
+        const int extr_cnt = m_extruders_sequence.extruders.size();
+        
+        while (tick <= m_max_value)
+        {
+            m_ticks_.insert(TICK_CODE(tick, "tool_change", m_extruders_sequence.extruders[extruder]+1));
+
+            extruder++;
+            if (extruder == extr_cnt)
+                extruder = 0;
+            if (m_extruders_sequence.is_mm_intervals)
+            {
+                value += m_extruders_sequence.interval_by_mm;
+                auto it = std::lower_bound(m_values.begin(), m_values.end(), value - epsilon());
+
+                if (it == m_values.end())
+                    break;
+
+                tick = it - m_values.begin();
+            }        
+            else
+                tick += m_extruders_sequence.interval_by_layers;        
+        }
+
+        // m_ticks_.clear();
+        wxPostEvent(this->GetParent(), wxCommandEvent(wxCUSTOMEVT_TICKSCHANGED));
+    }
     else
         detect_selected_slider(pos);
 
@@ -3042,13 +3144,16 @@ void DoubleSlider::correct_higher_value()
         m_lower_value = m_higher_value;
 }
 
-wxString DoubleSlider::get_tooltip(bool is_revert_icon_focused)
+wxString DoubleSlider::get_tooltip(IconFocus icon_focus)
 {
     wxString tooltip(wxEmptyString);
     if (m_is_one_layer_icon_focesed)
         tooltip = _(L("One layer mode"));
-    if (is_revert_icon_focused)
+
+    if (icon_focus == ifRevert)
         tooltip = _(L("Discard all custom changes"));
+    if (icon_focus == ifCog)
+        tooltip = _(L("Set extruder sequence for whole print"));
     else if (m_is_action_icon_focesed)
     {
         const int tick = m_selection == ssLower ? m_lower_value : m_higher_value;
@@ -3072,13 +3177,16 @@ void DoubleSlider::OnMotion(wxMouseEvent& event)
     const wxPoint pos = event.GetLogicalPosition(dc);
 
     m_is_one_layer_icon_focesed = is_point_in_rect(pos, m_rect_one_layer_icon);
-    bool is_revert_icon_focused = false;
+    IconFocus icon_focus = ifNone;
 
     if (!m_is_left_down && !m_is_one_layer) {
         m_is_action_icon_focesed = is_point_in_rect(pos, m_rect_tick_action);
         // #ys_FIXME_COLOR
         // is_revert_icon_focused = !m_ticks.empty() && is_point_in_rect(pos, m_rect_revert_icon);
-        is_revert_icon_focused = !m_ticks_.empty() && is_point_in_rect(pos, m_rect_revert_icon);
+        if (!m_ticks_.empty() && is_point_in_rect(pos, m_rect_revert_icon))
+            icon_focus = ifRevert;
+        else if (is_point_in_rect(pos, m_rect_cog_icon))
+            icon_focus = ifCog;
     }
     else if (m_is_left_down || m_is_right_down) {
         if (m_selection == ssLower) {
@@ -3103,7 +3211,7 @@ void DoubleSlider::OnMotion(wxMouseEvent& event)
     // const wxString tooltip = m_is_one_layer_icon_focesed    ? _(L("One layer mode"))    :
     //                          m_is_action_icon_focesed       ? _(L("Add/Del color change")) :
     //                          is_revert_icon_focused         ? _(L("Discard all color changes")) : "";
-    this->SetToolTip(get_tooltip(is_revert_icon_focused));
+    this->SetToolTip(get_tooltip(icon_focus));
 
     if (action)
     {
diff --git a/src/slic3r/GUI/wxExtensions.hpp b/src/slic3r/GUI/wxExtensions.hpp
index b7fd81db3..ce5e58a6a 100644
--- a/src/slic3r/GUI/wxExtensions.hpp
+++ b/src/slic3r/GUI/wxExtensions.hpp
@@ -49,6 +49,8 @@ wxMenuItem* append_menu_check_item(wxMenu* menu, int id, const wxString& string,
     std::function<void(wxCommandEvent& event)> cb, wxEvtHandler* event_handler);
 
 class wxDialog;
+class wxBitmapComboBox;
+
 void    edit_tooltip(wxString& tooltip);
 void    msw_buttons_rescale(wxDialog* dlg, const int em_unit, const std::vector<int>& btn_ids);
 int     em_unit(wxWindow* win);
@@ -57,6 +59,11 @@ wxBitmap create_scaled_bitmap(wxWindow *win, const std::string& bmp_name,
     const int px_cnt = 16, const bool is_horizontal = false, const bool grayscale = false);
 
 std::vector<wxBitmap*> get_extruder_color_icons();
+void apply_extruder_selector(wxBitmapComboBox** ctrl,
+                             wxWindow* parent,
+                             const std::string& first_item = "",
+                             wxPoint pos = wxDefaultPosition,
+                             wxSize size = wxDefaultSize);
 
 class wxCheckListBoxComboPopup : public wxCheckListBox, public wxComboPopup
 {
@@ -750,6 +757,11 @@ enum TicksAction{
 
 class DoubleSlider : public wxControl
 {
+    enum IconFocus {
+        ifNone,
+        ifRevert,
+        ifCog
+    };
 public:
     DoubleSlider(
         wxWindow *parent,
@@ -806,7 +818,7 @@ public:
         EnableTickManipulation(false);
     }
 
-    static enum ManipulationState {
+    enum ManipulationState {
         msSingleExtruder,           // single extruder printer preset is selected
         msMultiExtruder,            // multiple extruder printer preset is selected
         msMultiExtruderWholePrint   // multiple extruder printer preset is selected, and "Whole print" is selected 
@@ -850,6 +862,7 @@ protected:
     void    draw_colored_band(wxDC& dc);
     void    draw_one_layer_icon(wxDC& dc);
     void    draw_revert_icon(wxDC& dc);
+    void    draw_cog_icon(wxDC &dc);
     void    draw_thumb_item(wxDC& dc, const wxPoint& pos, const SelectedSlider& selection);
     void    draw_info_line_with_icon(wxDC& dc, const wxPoint& pos, SelectedSlider selection);
     void    draw_thumb_text(wxDC& dc, const wxPoint& pos, const SelectedSlider& selection) const;
@@ -858,7 +871,7 @@ protected:
     void    detect_selected_slider(const wxPoint& pt);
     void    correct_lower_value();
     void    correct_higher_value();
-    wxString get_tooltip(bool is_revert_icon_focused);
+    wxString get_tooltip(IconFocus icon_focus);
     void    move_current_thumb(const bool condition);
     void    action_tick(const TicksAction action);
     void    enter_window(wxMouseEvent& event, const bool enter);
@@ -893,6 +906,7 @@ private:
     ScalableBitmap    m_bmp_one_layer_unlock_on;
     ScalableBitmap    m_bmp_one_layer_unlock_off;
     ScalableBitmap    m_bmp_revert;
+    ScalableBitmap    m_bmp_cog;
     SelectedSlider  m_selection;
     bool        m_is_left_down = false;
     bool        m_is_right_down = false;
@@ -910,10 +924,12 @@ private:
     wxRect      m_rect_tick_action;
     wxRect      m_rect_one_layer_icon;
     wxRect      m_rect_revert_icon;
+    wxRect      m_rect_cog_icon;
     wxSize      m_thumb_size;
     int         m_tick_icon_dim;
     int         m_lock_icon_dim;
     int         m_revert_icon_dim;
+    int         m_cog_icon_dim;
     long        m_style;
     float       m_label_koef = 1.0;
 
@@ -945,6 +961,16 @@ private:
 
         bool operator<(const TICK_CODE& other) const { return other.tick > this->tick; }
         bool operator>(const TICK_CODE& other) const { return other.tick < this->tick; }
+        TICK_CODE operator=(const TICK_CODE& other) const {
+            TICK_CODE ret_val(other.tick, other.gcode, other.extruder);
+            return ret_val;
+        }
+        TICK_CODE& operator=(const TICK_CODE& other) {
+            this->tick = other.tick;
+            this->gcode = other.gcode;
+            this->extruder = other.extruder;
+            return *this;
+        }
 
         int         tick;
         std::string gcode;
@@ -952,6 +978,49 @@ private:
     };
 
     std::set<TICK_CODE> m_ticks_;
+
+public:
+    struct ExtrudersSequence
+    {
+        bool            is_mm_intervals;
+        double          interval_by_mm;
+        int             interval_by_layers;
+        std::vector<size_t>  extruders;
+
+        ExtrudersSequence() :
+            is_mm_intervals(true),
+            interval_by_mm(3.0),
+            interval_by_layers(10),
+            extruders({ 0 }) {}
+
+        ExtrudersSequence(const ExtrudersSequence& other) :
+            is_mm_intervals(other.is_mm_intervals),
+            interval_by_mm(other.interval_by_mm),
+            interval_by_layers(other.interval_by_layers),
+            extruders(other.extruders) {}
+
+        ExtrudersSequence& operator=(const ExtrudersSequence& other) {
+            this->is_mm_intervals   = other.is_mm_intervals;
+            this->interval_by_mm    = other.interval_by_mm;
+            this->interval_by_layers= other.interval_by_layers;
+            this->extruders         = other.extruders;
+
+            return *this;
+        }
+
+        void add_extruder(size_t pos)
+        {
+            extruders.insert(extruders.begin() + pos+1, size_t(0));
+        }
+
+        void delete_extruder(size_t pos)
+        {            
+            if (extruders.size() == 1)
+                return;// last item can't be deleted
+            extruders.erase(extruders.begin() + pos);
+        }
+    }
+    m_extruders_sequence;
 };