FIX: dark mode 3rd printer bed display

1.fix custom bed render grid inappropriately
2.optimize: do not init toolbar every time switch dark mode

Change-Id: I354496c6c982d9f72b22629f6973a79d65189dda

src/slic3r/GUI/GLCanvas3D.cpp

@@ -1268,11 +1268,10 @@ void GLCanvas3D::on_change_color_mode(bool is_dark, bool reinit) {
         m_gizmos.on_change_color_mode(is_dark);
         if (reinit) {
             // reset svg
-            _init_toolbars();
-            m_gizmos.init();
+            _switch_toolbars_icon_filename();
+            m_gizmos.switch_gizmos_icon_filename();
             // set dirty to re-generate icon texture
             m_separator_toolbar.set_icon_dirty();
-            m_separator_toolbar.set_icon_dirty();
             m_main_toolbar.set_icon_dirty();
             wxGetApp().plater()->get_collapse_toolbar().set_icon_dirty();
             m_assemble_view_toolbar.set_icon_dirty();
@@ -5680,6 +5679,55 @@ void GLCanvas3D::render_thumbnail_legacy(ThumbnailData& thumbnail_data, unsigned
 }
 
 //BBS: GUI refractor
+
+void GLCanvas3D::_switch_toolbars_icon_filename()
+{
+    BackgroundTexture::Metadata background_data;
+    background_data.filename = m_is_dark ? "toolbar_background_dark.png" : "toolbar_background.png";
+    background_data.left = 16;
+    background_data.top = 16;
+    background_data.right = 16;
+    background_data.bottom = 16;
+    m_main_toolbar.init(background_data);
+    m_assemble_view_toolbar.init(background_data);
+    m_separator_toolbar.init(background_data);
+    wxGetApp().plater()->get_collapse_toolbar().init(background_data);
+        
+    // main toolbar
+    {
+        GLToolbarItem* item;
+        item = m_main_toolbar.get_item("add");
+        item->set_icon_filename(m_is_dark ? "toolbar_open_dark.svg" : "toolbar_open.svg");
+
+        item = m_main_toolbar.get_item("addplate");
+        item->set_icon_filename(m_is_dark ? "toolbar_add_plate_dark.svg" : "toolbar_add_plate.svg");
+
+        item = m_main_toolbar.get_item("orient");
+        item->set_icon_filename(m_is_dark ? "toolbar_orient_dark.svg" : "toolbar_orient.svg");
+
+        item = m_main_toolbar.get_item("addplate");
+        item->set_icon_filename(m_is_dark ? "toolbar_add_plate_dark.svg" : "toolbar_add_plate.svg");
+
+        item = m_main_toolbar.get_item("arrange");
+        item->set_icon_filename(m_is_dark ? "toolbar_arrange_dark.svg" : "toolbar_arrange.svg");
+
+        item = m_main_toolbar.get_item("splitobjects");
+        item->set_icon_filename(m_is_dark ? "split_objects_dark.svg" : "split_objects.svg");
+
+        item = m_main_toolbar.get_item("splitvolumes");
+        item->set_icon_filename(m_is_dark ? "split_parts_dark.svg" : "split_parts.svg");
+
+        item = m_main_toolbar.get_item("layersediting");
+        item->set_icon_filename(m_is_dark ? "toolbar_variable_layer_height_dark.svg" : "toolbar_variable_layer_height.svg");
+    }
+
+    // assemble view toolbar
+    {
+        GLToolbarItem* item;
+        item = m_assemble_view_toolbar.get_item("assembly_view");
+        item->set_icon_filename(m_is_dark ? "toolbar_assemble_dark.svg" : "toolbar_assemble.svg");
+    }
+}
 bool GLCanvas3D::_init_toolbars()
 {
     if (!_init_main_toolbar())
@@ -5921,7 +5969,7 @@ bool GLCanvas3D::_init_assemble_view_toolbar()
 
     GLToolbarItem::Data item;
     item.name = "assembly_view";
-    item.icon_filename = "toolbar_assemble.svg";
+    item.icon_filename = m_is_dark ? "toolbar_assemble_dark.svg" : "toolbar_assemble.svg";
     item.tooltip = _utf8(L("Assembly View"));
     item.sprite_id = 1;
     item.left.toggable = false;

src/slic3r/GUI/GLCanvas3D.hpp

@@ -1044,6 +1044,7 @@ public:
 private:
     bool _is_shown_on_screen() const;
 
+    void _switch_toolbars_icon_filename();
     bool _init_toolbars();
     bool _init_main_toolbar();
     bool _init_select_plate_toolbar();

src/slic3r/GUI/GLToolbar.hpp

@@ -186,6 +186,7 @@ public:
 
     const std::string& get_name() const { return m_data.name; }
     const std::string& get_icon_filename() const { return m_data.icon_filename; }
+    void set_icon_filename(const std::string& filename) { m_data.icon_filename = filename; }
     const std::string& get_tooltip() const { return m_data.tooltip; }
     const std::string& get_additional_tooltip() const { return m_data.additional_tooltip; }
     void set_additional_tooltip(const std::string& text) { m_data.additional_tooltip = text; }

src/slic3r/GUI/Gizmos/GLGizmoBase.cpp

@@ -166,6 +166,10 @@ GLGizmoBase::GLGizmoBase(GLCanvas3D& parent, const std::string& icon_filename, u
     m_cylinder.init_from(its_make_cylinder(1., 1., 2 * PI / 24.));
 }
 
+void GLGizmoBase::set_icon_filename(const std::string &filename) {
+    m_icon_filename = filename;
+}
+
 void GLGizmoBase::set_hover_id(int id)
 {
     if (m_grabbers.empty() || (id < (int)m_grabbers.size()))

src/slic3r/GUI/Gizmos/GLGizmoBase.hpp

@@ -151,6 +151,8 @@ public:
 
     const std::string& get_icon_filename() const { return m_icon_filename; }
 
+    void set_icon_filename(const std::string& filename);
+
     bool is_activable() const { return on_is_activable(); }
     bool is_selectable() const { return on_is_selectable(); }
     CommonGizmosDataID get_requirements() const { return on_get_requirements(); }

src/slic3r/GUI/Gizmos/GLGizmosManager.cpp

@@ -120,6 +120,51 @@ size_t GLGizmosManager::get_gizmo_idx_from_mouse(const Vec2d& mouse_pos) const
     return Undefined;
 }
 
+void GLGizmosManager::switch_gizmos_icon_filename()
+{
+    m_background_texture.metadata.filename = m_is_dark ? "toolbar_background_dark.png" : "toolbar_background.png";
+    m_background_texture.metadata.left = 16;
+    m_background_texture.metadata.top = 16;
+    m_background_texture.metadata.right = 16;
+    m_background_texture.metadata.bottom = 16;
+    if (!m_background_texture.metadata.filename.empty())
+        m_background_texture.texture.load_from_file(resources_dir() + "/images/" + m_background_texture.metadata.filename, false, GLTexture::SingleThreaded, false);
+
+    for (auto& gizmo : m_gizmos) {
+        gizmo->on_change_color_mode(m_is_dark);
+        switch (gizmo->get_sprite_id())
+        {
+        case(EType::Move):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_move_dark.svg" : "toolbar_move.svg");
+            break;
+        case(EType::Rotate):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_rotate_dark.svg" : "toolbar_rotate.svg");
+            break;
+        case(EType::Scale):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_scale_dark.svg" : "toolbar_scale.svg");
+            break;
+        case(EType::Flatten):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_flatten_dark.svg" : "toolbar_flatten.svg");
+            break;
+        case(EType::Cut):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_cut_dark.svg" : "toolbar_cut.svg");
+            break;
+        case(EType::FdmSupports):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_support_dark.svg" : "toolbar_support.svg");
+            break;
+        case(EType::Seam):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_seam_dark.svg" : "toolbar_seam.svg");
+            break;
+        case(EType::Text):
+            gizmo->set_icon_filename(m_is_dark ? "toolbar_text_dark.svg" : "toolbar_text.svg");
+            break;
+        case(EType::MmuSegmentation):
+            gizmo->set_icon_filename(m_is_dark ? "mmu_segmentation_dark.svg" : "mmu_segmentation.svg");
+            break;
+        }
+    }
+}
+
 bool GLGizmosManager::init()
 {
     bool result = init_icon_textures();

src/slic3r/GUI/Gizmos/GLGizmosManager.hpp

@@ -163,6 +163,8 @@ public:
 
     explicit GLGizmosManager(GLCanvas3D& parent);
 
+    void switch_gizmos_icon_filename();
+
     bool init();
 
     bool init_icon_textures();