Added notification icon in recomended mode. The notification icon is only

active if one of custom settings is changed
CURA-4333

cura/CuraApplication.py

@@ -400,6 +400,8 @@ class CuraApplication(QtApplication):
             # ALWAYS ask whether to keep or discard the profile
             self.showDiscardOrKeepProfileChanges.emit()
 
+    sidebarSimpleDiscardOrKeepProfileChanges = pyqtSignal()
+
     @pyqtSlot(str)
     def discardOrKeepProfileChangesClosed(self, option):
         if option == "discard":
@@ -409,6 +411,10 @@ class CuraApplication(QtApplication):
 
             global_stack.getTop().clear()
 
+            #event handler for SidebarSimple, which will update sliders view visibility (like:sliders..)
+            if Preferences.getInstance().getValue("cura/active_mode") == 0:
+                self.sidebarSimpleDiscardOrKeepProfileChanges.emit()
+
     @pyqtSlot(int)
     def messageBoxClosed(self, button):
         if self._message_box_callback:

cura/Settings/MachineManager.py

@@ -413,6 +413,42 @@ class MachineManager(QObject):
 
         return False
 
+    ## Check whether user containers have adjusted settings or not
+    #   \param skip_keys \type{list} List of setting keys which will be not taken into account ("support_enable" , "infill_sparse_density"...)
+    #   \return \type{boole} Return true if user containers have any of adjusted settings
+    @pyqtSlot("QVariantList", result = bool)
+    def hasUserCustomSettings(self, skip_keys = []) -> bool:
+
+        user_setting_keys = []
+        try:
+            if not self._global_container_stack:
+                return False
+
+            allContainers = self._global_container_stack.getContainers()
+
+            for container in allContainers:
+                meta = container.getMetaData()
+                if meta and meta["type"] and meta["type"] == "user":
+                    user_setting_keys.extend(container.getAllKeys())
+
+            stacks = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
+            for stack in stacks:
+
+                for container in stack.getContainers():
+                    meta = container.getMetaData()
+                    if meta and meta["type"] and meta["type"] == "user":
+                        user_setting_keys.extend(container.getAllKeys())
+
+            for skip_key in skip_keys:
+                if skip_key in user_setting_keys:
+                    user_setting_keys.remove(skip_key)
+
+        except:
+            Logger.log("e", "While checking user custom settings occured error. skip_keys: %s", skip_keys )
+            return False
+
+        return len(user_setting_keys) > 0
+
     @pyqtProperty(int, notify = activeStackValueChanged)
     def numUserSettings(self) -> int:
         if not self._global_container_stack:

resources/qml/SidebarSimple.qml

@@ -20,11 +20,40 @@ Item
     property variant minimumPrintTime: PrintInformation.minimumPrintTime;
     property variant maximumPrintTime: PrintInformation.maximumPrintTime;
     property bool settingsEnabled: ExtruderManager.activeExtruderStackId || machineExtruderCount.properties.value == 1
+    property bool hasUserSettings;
 
     Component.onCompleted: PrintInformation.enabled = true
     Component.onDestruction: PrintInformation.enabled = false
     UM.I18nCatalog { id: catalog; name: "cura" }
 
+    onVisibleChanged:
+    {
+        if (visible)
+        {
+            base.checkUserSettings()
+        }
+    }
+
+    Connections
+    {
+        target: CuraApplication
+        onSidebarSimpleDiscardOrKeepProfileChanges:
+        {
+            base.hasUserSettings = false
+        }
+    }
+
+    function checkUserSettings(){
+
+        var skip_keys = ["support_enable" ,
+                            "infill_sparse_density",
+                            "gradual_infill_steps",
+                            "adhesion_type",
+                            "support_extruder_nr"]
+
+        base.hasUserSettings = Cura.MachineManager.hasUserCustomSettings(skip_keys)
+    }
+
     ScrollView
     {
         visible: Cura.MachineManager.activeMachineName != "" // If no printers added then the view is invisible
@@ -291,6 +320,7 @@ Item
                                     implicitWidth: 10 * screenScaleFactor
                                     implicitHeight: implicitWidth
                                     radius: implicitWidth / 2
+                                    visible: !hasUserSettings;
                                 }
                             }
                         }
@@ -308,6 +338,33 @@ Item
                             }
                         }
                     }
+
+
+                    //If any of settings were changed in custom mode then the Rectangle will
+                    //overlap quality slider area. It is used to catch mouse click
+                    Rectangle {
+                        anchors.verticalCenter: parent.verticalCenter
+                        anchors.right: extrudersModelCheckBox.right
+                        anchors.rightMargin: UM.Theme.getSize("default_margin").width
+                        width: qualitySlider.width
+                        height: qualitySlider.height * 1.5
+                        //border.width: UM.Theme.getSize("default_lining").width // dispay overlap zone
+                        //border.color: UM.Theme.getColor("lining")
+
+                        color: "transparent"
+
+                        visible: hasUserSettings
+                        enabled: hasUserSettings
+
+
+                        MouseArea {
+                            anchors.fill: parent
+                            onClicked: {
+                                discardOrKeepProfileChangesDialog.show()
+                            }
+                        }
+
+                    }
                 }
 
                 Label
@@ -343,6 +400,33 @@ Item
                     color: (qualityModel.availableTotalTicks > 0) ? UM.Theme.getColor("quality_slider_available") : UM.Theme.getColor("quality_slider_unavailable")
                     horizontalAlignment: Text.AlignRight
                 }
+
+                UM.SimpleButton
+                {
+                    id: customisedSettings
+
+                    visible: hasUserSettings
+                    height: speedSlider.height * 0.8
+                    width: speedSlider.height * 0.8
+
+                    anchors.verticalCenter: speedSlider.verticalCenter
+                    anchors.right: speedSlider.left
+                    anchors.rightMargin: UM.Theme.getSize("sidebar_margin").width / 2
+
+                    color: hovered ? UM.Theme.getColor("setting_control_button_hover") : UM.Theme.getColor("setting_control_button");
+                    iconSource: UM.Theme.getIcon("reset");
+
+                    onClicked:
+                    {
+                        discardOrKeepProfileChangesDialog.show()
+                    }
+                    onEntered:
+                    {
+                        var content = catalog.i18nc("@tooltip","You have selected a custom profile. If you want to change it, go to custom mode.")
+                        base.showTooltip(qualityRow, Qt.point(-UM.Theme.getSize("sidebar_margin").width, customisedSettings.height),  content)
+                    }
+                    onExited: base.hideTooltip()
+                }
             }