Somewhat better layout, added legend

plugins/CuraEngineBackend/ProcessSlicedLayersJob.py

@@ -16,6 +16,7 @@ from UM.Logger import Logger
 
 from UM.Math.Vector import Vector
 
+from cura.Settings.ExtruderManager import ExtruderManager
 from cura import LayerDataBuilder
 from cura import LayerDataDecorator
 from cura import LayerPolygon
@@ -159,11 +160,7 @@ class ProcessSlicedLayersJob(Job):
         # We are done processing all the layers we got from the engine, now create a mesh out of the data
 
         # Find out colors per extruder
-        # TODO: move to a better place. Code is similar to code in ExtrudersModel
+        global_container_stack = Application.getInstance().getGlobalContainerStack()
-        from cura.Settings.ExtruderManager import ExtruderManager
-        import UM
-
-        global_container_stack = UM.Application.getInstance().getGlobalContainerStack()
         manager = ExtruderManager.getInstance()
         extruders = list(manager.getMachineExtruders(global_container_stack.getId()))
         if extruders:
@@ -182,6 +179,7 @@ class ProcessSlicedLayersJob(Job):
             color = colorCodeToRGBA(color_code)
             material_color_map[0, :] = color
 
+        # We have to scale the colors for compatibility mode
         if bool(Preferences.getInstance().getValue("view/compatibility_mode")):
             line_type_brightness = 0.5
         else:

plugins/LayerView/LayerView.qml

@@ -181,8 +181,10 @@ Item
         }
 
         ColumnLayout {
+            id: view_settings
             anchors.top: layer_type_combobox.bottom
             anchors.topMargin: UM.Theme.getSize("default_margin").height
+            x: UM.Theme.getSize("default_margin").width
 
             CheckBox {
                 checked: true
@@ -243,5 +245,60 @@ Item
             }
         }
 
+        // legend
+        ListView {
+
+            visible: (UM.LayerView.getLayerViewType() == 1)  // line type
+            anchors.top: view_settings.bottom
+            anchors.topMargin: UM.Theme.getSize("default_margin").height
+            //width: parent.width
+            //height: childrenRect.height
+
+            delegate: Row
+            {
+                Rectangle
+                {
+                    id: rect
+
+                    x: UM.Theme.getSize("default_margin").width
+                    y: index * UM.Theme.getSize("section_icon").height
+
+                    //width: UM.Theme.getSize("section_icon").width
+                    //height: 0.5 * UM.Theme.getSize("section_icon").height
+                    width: UM.Theme.getSize("setting_control").height / 2
+                    height: UM.Theme.getSize("setting_control").height / 2
+                    //Behavior on height { NumberAnimation { duration: 50; } }
+
+                    border.width: UM.Theme.getSize("default_lining").width;
+                    border.color: UM.Theme.getColor("slider_groove_border");
+
+                    color: model.color;
+                }
+
+                Label
+                {
+                    anchors.left: rect.right
+                    anchors.verticalCenter: rect.verticalCenter
+                    anchors.leftMargin: UM.Theme.getSize("default_margin").width
+                    text: model.label
+                }
+            }
+            model: ListModel
+            {
+                id: legendModel
+            }
+            Component.onCompleted:
+            {
+                // see LayerPolygon
+                legendModel.append({ label:catalog.i18nc("@label", "Inset0"), color: "#ff0000" });
+                legendModel.append({ label:catalog.i18nc("@label", "InsetX"), color: "#00ff00" });
+                legendModel.append({ label:catalog.i18nc("@label", "Skin"), color: "#ffff00" });
+                legendModel.append({ label:catalog.i18nc("@label", "Support, Skirt, SupportInfill"), color: "#00ffff" });
+                legendModel.append({ label:catalog.i18nc("@label", "Infill"), color: "#ffbf00" });
+                legendModel.append({ label:catalog.i18nc("@label", "MoveCombing"), color: "#0000ff" });
+                legendModel.append({ label:catalog.i18nc("@label", "MoveRetraction"), color: "#8080ff" });
+                legendModel.append({ label:catalog.i18nc("@label", "SupportInterface"), color: "#3fbfff" });
+            }
+        }
     }
 }

plugins/LayerView/LayerViewProxy.py

@@ -76,6 +76,13 @@ class LayerViewProxy(QObject):
         if type(active_view) == LayerView.LayerView.LayerView:
             active_view.setLayerViewType(layer_view_type)
 
+    @pyqtProperty(bool)
+    def getLayerViewType(self):
+        active_view = self._controller.getActiveView()
+        if type(active_view) == LayerView.LayerView.LayerView:
+            return active_view.getLayerViewType()
+        return 0
+
     @pyqtSlot(bool)
     def setOnlyColorActiveExtruder(self, only_color_active_extruder):
         active_view = self._controller.getActiveView()