Reworked sys_color_changed() functions

Fixed OSX specific bugs:
- toolbar flashing for some mainframe sizes (Retina specific)
- size of mainframe when settings layout in slNew mode

Added missed icons to the "white" folder

src/slic3r/GUI/Field.cpp

@@ -306,6 +306,12 @@ void Field::msw_rescale(bool rescale_sidetext)
 	}
 }
 
+void Field::sys_color_changed()
+{
+	m_Undo_to_sys_btn->msw_rescale();
+	m_Undo_btn->msw_rescale();
+}
+
 template<class T>
 bool is_defined_input_value(wxWindow* win, const ConfigOptionType& type)
 {

src/slic3r/GUI/Field.hpp

@@ -221,6 +221,7 @@ public:
     }
 
     virtual void msw_rescale(bool rescale_sidetext = false);
+    void sys_color_changed();
 
     bool get_enter_pressed() const { return bEnterPressed; }
     void set_enter_pressed(bool pressed) { bEnterPressed = pressed; }

src/slic3r/GUI/GLCanvas3D.cpp

@@ -4864,7 +4864,7 @@ bool GLCanvas3D::_init_main_toolbar()
         return false;
 
     item.name = "settings";
-    item.icon_filename = "cog.svg";
+    item.icon_filename = "cog_.svg";
     item.tooltip = _u8L("Switch to Settings") + "\n" + "[" + GUI::shortkey_ctrl_prefix() + "2] - " + _u8L("Print Settings Tab")    + 
                                                 "\n" + "[" + GUI::shortkey_ctrl_prefix() + "3] - " + (m_process->current_printer_technology() == ptFFF ? _u8L("Filament Settings Tab") : _u8L("Material Settings Tab")) +
                                                 "\n" + "[" + GUI::shortkey_ctrl_prefix() + "4] - " + _u8L("Printer Settings Tab") ;
@@ -5417,6 +5417,7 @@ void GLCanvas3D::_check_and_update_toolbar_icon_scale() const
     m_main_toolbar.set_scale(sc);
     m_undoredo_toolbar.set_scale(sc);
     m_collapse_toolbar.set_scale(sc);
+    size *= m_retina_helper->get_scale_factor();
 #else
     m_main_toolbar.set_icons_size(size);
     m_undoredo_toolbar.set_icons_size(size);
@@ -5437,6 +5438,9 @@ void GLCanvas3D::_check_and_update_toolbar_icon_scale() const
 
     // set minimum scale as a auto scale for the toolbars
     float new_scale = std::min(new_h_scale, new_v_scale);
+#if ENABLE_RETINA_GL
+    new_scale /= m_retina_helper->get_scale_factor();
+#endif
     if (fabs(new_scale - scale) > 0.01) // scale is changed by 1% and more
         wxGetApp().set_auto_toolbar_icon_scale(new_scale);
 }

src/slic3r/GUI/GUI_App.cpp

@@ -580,6 +580,11 @@ void GUI_App::set_label_clr_sys(const wxColour& clr) {
     app_config->save();
 }
 
+wxSize GUI_App::get_min_size() const
+{
+    return wxSize(76*m_em_unit, 49 * m_em_unit);
+}
+
 float GUI_App::toolbar_icon_scale(const bool is_limited/* = false*/) const
 {
 #ifdef __APPLE__

src/slic3r/GUI/GUI_App.hpp

@@ -138,6 +138,7 @@ public:
     const wxFont&   bold_font()             { return m_bold_font; }
     const wxFont&   normal_font()           { return m_normal_font; }
     int             em_unit() const         { return m_em_unit; }
+    wxSize          get_min_size() const;
     float           toolbar_icon_scale(const bool is_limited = false) const;
     void            set_auto_toolbar_icon_scale(float scale) const;
 

src/slic3r/GUI/GUI_ObjectLayers.cpp

@@ -272,6 +272,33 @@ void ObjectLayers::msw_rescale()
     m_grid_sizer->Layout();
 }
 
+void ObjectLayers::sys_color_changed()
+{
+    m_bmp_delete.msw_rescale();
+    m_bmp_add.msw_rescale();
+
+    m_grid_sizer->SetHGap(wxGetApp().em_unit());
+
+    // rescale edit-boxes
+    const int cells_cnt = m_grid_sizer->GetCols() * m_grid_sizer->GetEffectiveRowsCount();
+    for (int i = 0; i < cells_cnt; i++)
+    {
+        const wxSizerItem* item = m_grid_sizer->GetItem(i);
+        if (item->IsSizer()) {// case when we have editor with buttons
+            const std::vector<size_t> btns = {2, 3};  // del_btn, add_btn
+            for (auto btn : btns) {
+                wxSizerItem* b_item = item->GetSizer()->GetItem(btn);
+                if (b_item->IsWindow()) {
+                    auto button = dynamic_cast<PlusMinusButton*>(b_item->GetWindow());
+                    if (button != nullptr)
+                        button->msw_rescale();
+                }
+            }
+        }
+    }
+    m_grid_sizer->Layout();
+}
+
 void ObjectLayers::reset_selection()
 {
     m_selectable_range = { 0.0, 0.0 };

src/slic3r/GUI/GUI_ObjectLayers.hpp

@@ -94,6 +94,7 @@ public:
 
     void        UpdateAndShow(const bool show) override;
     void        msw_rescale();
+    void        sys_color_changed();
     void        reset_selection();
     void        set_selectable_range(const t_layer_height_range& range) { m_selectable_range = range; }
 

src/slic3r/GUI/GUI_ObjectManipulation.cpp

@@ -417,6 +417,8 @@ ObjectManipulation::ObjectManipulation(wxWindow* parent) :
     m_main_grid_sizer->Add(editors_grid_sizer, 1, wxEXPAND);
 
     m_check_inch = new wxCheckBox(parent, wxID_ANY, "Inches");
+    m_check_inch->SetFont(wxGetApp().normal_font());
+
     m_check_inch->SetValue(m_imperial_units);
     m_check_inch->Bind(wxEVT_CHECKBOX, [this](wxCommandEvent&) {
         wxGetApp().app_config->set("use_inches", m_check_inch->GetValue() ? "1" : "0");
@@ -995,7 +997,7 @@ void ObjectManipulation::sys_color_changed()
     for (int id = 0; id < 3; ++id)
         m_mirror_buttons[id].first->msw_rescale();
 
-    get_og()->msw_rescale();
+    get_og()->sys_color_changed();
 }
 
 static const char axes[] = { 'x', 'y', 'z' };

src/slic3r/GUI/MainFrame.cpp

@@ -89,6 +89,19 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_S
 
     m_loaded = true;
 
+#ifdef __APPLE__
+    // Using SetMinSize() on Mac messes up the window position in some cases
+    // cf. https://groups.google.com/forum/#!topic/wx-users/yUKPBBfXWO0
+    // So, if we haven't possibility to set MinSize() for the MainFrame, 
+    // set the MinSize() as a half of regular  for the m_plater and m_tabpanel, when settings layout is in slNew mode
+    // Otherwise, MainFrame will be maximized by height
+    if (slNew) {
+        wxSize size = wxGetApp().get_min_size();
+        size.SetWidth(int(0.5*size.GetHeight()));
+        m_plater->SetMinSize(size);
+        m_tabpanel->SetMinSize(size);
+    }
+#endif
     // initialize layout
     auto sizer = new wxBoxSizer(wxVERTICAL);
     if (m_plater && m_layout != slOld)
@@ -101,7 +114,7 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_S
     SetSizer(sizer);
     Fit();
 
-    const wxSize min_size = wxSize(76*wxGetApp().em_unit(), 49*wxGetApp().em_unit());
+    const wxSize min_size = wxGetApp().get_min_size(); //wxSize(76*wxGetApp().em_unit(), 49*wxGetApp().em_unit());
 #ifdef __APPLE__
     // Using SetMinSize() on Mac messes up the window position in some cases
     // cf. https://groups.google.com/forum/#!topic/wx-users/yUKPBBfXWO0
@@ -1471,7 +1484,7 @@ SettingsDialog::SettingsDialog(MainFrame* mainframe)
 
     // wxNB_NOPAGETHEME: Disable Windows Vista theme for the Notebook background. The theme performance is terrible on Windows 10
     // with multiple high resolution displays connected.
-    m_tabpanel = new wxNotebook(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxNB_TOP | wxTAB_TRAVERSAL | wxNB_NOPAGETHEME);
+    m_tabpanel = new wxNotebook(this, wxID_ANY, wxDefaultPosition, wxGetApp().get_min_size(), wxNB_TOP | wxTAB_TRAVERSAL | wxNB_NOPAGETHEME);
 #ifndef __WXOSX__ // Don't call SetFont under OSX to avoid name cutting in ObjectList
     m_tabpanel->SetFont(Slic3r::GUI::wxGetApp().normal_font());
 #endif

src/slic3r/GUI/OptionsGroup.cpp

@@ -568,6 +568,20 @@ void ConfigOptionsGroup::msw_rescale()
     }
 }
 
+void ConfigOptionsGroup::sys_color_changed()
+{
+	// update bitmaps for near label widgets (like "Set uniform scale" button on settings panel)
+	if (rescale_near_label_widget)
+		for (auto near_label_widget : m_near_label_widget_ptrs)
+			rescale_near_label_widget(near_label_widget);
+
+	// update undo buttons : rescale bitmaps
+	for (const auto& field : m_fields)
+		field.second->sys_color_changed();
+
+    m_grid_sizer->Layout();
+}
+
 boost::any ConfigOptionsGroup::config_value(const std::string& opt_key, int opt_index, bool deserialize) {
 
 	if (deserialize) {

src/slic3r/GUI/OptionsGroup.hpp

@@ -280,6 +280,7 @@ public:
     void        Show(const bool show);
     bool        update_visibility(ConfigOptionMode mode);
     void        msw_rescale();
+    void        sys_color_changed();
 	boost::any	config_value(const std::string& opt_key, int opt_index, bool deserialize);
 	// return option value from config 
 	boost::any	get_config_value(const DynamicPrintConfig& config, const std::string& opt_key, int opt_index = -1);

src/slic3r/GUI/Plater.cpp

@@ -771,7 +771,9 @@ Sidebar::Sidebar(Plater *parent)
     p->scrolled->SetScrollbars(0, 100, 1, 2);
 
     SetFont(wxGetApp().normal_font());
+#ifndef __APPLE__
     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+#endif
 
     // Sizer in the scrolled area
     auto *scrolled_sizer = new wxBoxSizer(wxVERTICAL);
@@ -1108,7 +1110,7 @@ void Sidebar::sys_color_changed()
     p->object_list->sys_color_changed();
     p->object_manipulation->sys_color_changed();
 //    p->object_settings->msw_rescale();
-//    p->object_layers->msw_rescale();
+    p->object_layers->sys_color_changed();
 
     // btn...->msw_rescale() updates icon on button, so use it
     p->btn_send_gcode->msw_rescale();
@@ -4343,7 +4345,7 @@ void Sidebar::set_btn_label(const ActionButtonType btn_type, const wxString& lab
 // Plater / Public
 
 Plater::Plater(wxWindow *parent, MainFrame *main_frame)
-    : wxPanel(parent, wxID_ANY, wxDefaultPosition, wxSize(76 * wxGetApp().em_unit(), 49 * wxGetApp().em_unit()))
+    : wxPanel(parent, wxID_ANY, wxDefaultPosition, wxGetApp().get_min_size())
     , p(new priv(this, main_frame))
 {
     // Initialization performed in the private c-tor

src/slic3r/GUI/Tab.cpp

@@ -597,7 +597,7 @@ void TabPrinter::sys_color_changed()
     // update missed options_groups
     const std::vector<PageShp>& pages = m_printer_technology == ptFFF ? m_pages_sla : m_pages_fff;
     for (auto page : pages)
-        page->msw_rescale();
+        page->sys_color_changed();
 
     Layout();
 }
@@ -890,8 +890,8 @@ void Tab::sys_color_changed()
         btn->msw_rescale();
     for (const auto bmp : m_scaled_bitmaps)
         bmp->msw_rescale();
-    for (ScalableBitmap& bmp : m_mode_bitmap_cache)
-        bmp.msw_rescale();
+//    for (ScalableBitmap& bmp : m_mode_bitmap_cache)
+//        bmp.msw_rescale();
 
     // update icons for tree_ctrl
     for (ScalableBitmap& bmp : m_scaled_icons_list)
@@ -903,7 +903,6 @@ void Tab::sys_color_changed()
         m_icons->Add(bmp.bmp());
     m_treectrl->AssignImageList(m_icons);
 
-
     // Colors for ui "decoration"
     m_sys_label_clr = wxGetApp().get_label_clr_sys();
     m_modified_label_clr = wxGetApp().get_label_clr_modified();
@@ -911,7 +910,7 @@ void Tab::sys_color_changed()
 
     // update options_groups
     for (auto page : m_pages)
-        page->msw_rescale();
+        page->sys_color_changed();
 
     Layout();
 }
@@ -3606,6 +3605,12 @@ void Page::msw_rescale()
         group->msw_rescale();
 }
 
+void Page::sys_color_changed()
+{
+    for (auto group : m_optgroups)
+        group->sys_color_changed();
+}
+
 Field* Page::get_field(const t_config_option_key& opt_key, int opt_index /*= -1*/) const
 {
     Field* field = nullptr;

src/slic3r/GUI/Tab.hpp

@@ -81,6 +81,7 @@ public:
 	void		reload_config();
     void        update_visibility(ConfigOptionMode mode);
     void        msw_rescale();
+    void        sys_color_changed();
 	Field*		get_field(const t_config_option_key& opt_key, int opt_index = -1) const;
 	bool		set_value(const t_config_option_key& opt_key, const boost::any& value);
 	ConfigOptionsGroupShp	new_optgroup(const wxString& title, int noncommon_label_width = -1);