Add warning icon when not all extruders have same intent

CURA-6601

cura/Settings/MachineManager.py

@@ -627,6 +627,24 @@ class MachineManager(QObject):
                 intent_category = category
         return intent_category
 
+    # Provies a list of extruder positions that have a different intent from the active one.
+    @pyqtProperty("QStringList", notify=activeIntentChanged)
+    def extruderPositionsWithNonActiveIntent(self):
+        global_container_stack = cura.CuraApplication.CuraApplication.getInstance().getGlobalContainerStack()
+
+        if not global_container_stack:
+            return []
+
+        active_intent_category = self.activeIntentCategory
+        result = []
+        for extruder in global_container_stack.extruderList:
+            category = extruder.intent.getMetaDataEntry("intent_category", "default")
+            if category != active_intent_category:
+                result.append(str(int(extruder.getMetaDataEntry("position")) + 1))
+
+        return result
+
+
     ##  Returns whether there is anything unsupported in the current set-up.
     #
     #   The current set-up signifies the global stack and all extruder stacks,

resources/qml/PrintSetupSelector/NoIntentIcon.qml

@@ -0,0 +1,36 @@
+// Copyright (c) 2019 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+
+import UM 1.2 as UM
+import Cura 1.6 as Cura
+
+Item
+{
+    id: icon
+    property var affected_extruders
+    property var intent_type: ""
+
+    implicitWidth: UM.Theme.getSize("section_icon").width
+    implicitHeight: UM.Theme.getSize("section_icon").height
+
+    UM.RecolorImage
+    {
+        source: UM.Theme.getIcon("info")
+        color: UM.Theme.getColor("icon")
+        anchors.fill: parent
+    }
+    MouseArea
+    {
+        anchors.fill: parent
+        hoverEnabled: parent.visible
+        onEntered:
+        {
+            var tooltipContent = catalog.i18ncp("@label %1 is filled in with the type of a profile. %2 is filled with a list of numbers (eg '1' or '1, 2')", "There is no %1 profile for the configuration in extruder %2. The default intent will be used instead", "There is no %1 profile for the configurations in extruders %2. The default intent will be used instead", affected_extruders.length).arg(intent_type).arg(affected_extruders)
+            base.showTooltip(icon.parent, Qt.point(-UM.Theme.getSize("thick_margin").width, 0),  tooltipContent)
+        }
+        onExited: base.hideTooltip()
+    }
+}

resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml

@@ -8,7 +8,7 @@ import QtQuick.Controls.Styles 1.4
 
 import UM 1.2 as UM
 import Cura 1.6 as Cura
-
+import ".."
 Item
 {
     id: qualityRow
@@ -123,6 +123,18 @@ Item
                     elide: Text.ElideRight
                 }
 
+                NoIntentIcon
+                {
+                    affected_extruders: Cura.MachineManager.extruderPositionsWithNonActiveIntent
+                    intent_type: model.name
+                    anchors.right: intentCategoryLabel.right
+                    anchors.rightMargin: UM.Theme.getSize("narrow_margin").width
+                    width: intentCategoryLabel.height * 0.75
+                    anchors.verticalCenter: parent.verticalCenter
+                    height: width
+                    visible: Cura.MachineManager.activeIntentCategory == model.intent_category && affected_extruders.length
+                }
+
                 Cura.RadioCheckbar
                 {
                     anchors