Added a pyQtProperty to validate user settings (Might be wrong approach)

CURA-4333

cura/CuraApplication.py

@@ -402,7 +402,7 @@ class CuraApplication(QtApplication):
             # ALWAYS ask whether to keep or discard the profile
             self.showDiscardOrKeepProfileChanges.emit()
 
-    sidebarSimpleDiscardOrKeepProfileChanges = pyqtSignal()
+    #sidebarSimpleDiscardOrKeepProfileChanges = pyqtSignal()
 
     @pyqtSlot(str)
     def discardOrKeepProfileChangesClosed(self, option):
@@ -414,8 +414,8 @@ 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()
+        if str(Preferences.getInstance().getValue("cura/active_mode")) == '0':
+                self.getMachineManager().hasUserCustomSettings()
 
     @pyqtSlot(int)
     def messageBoxClosed(self, button):

cura/Settings/MachineManager.py

@@ -414,10 +414,13 @@ class MachineManager(QObject):
         return False
 
     ## Check whether user containers have adjusted settings or not
+    #  The skipped settings are predefined, because they are used on SideBarSimple to escape them while validation
     #   \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 = None) -> bool:
+    def hasUserCustomSettings(self) -> bool:
+
+        skip_keys =  ["support_enable", "infill_sparse_density", "gradual_infill_steps", "adhesion_type", "support_extruder_nr"]
+
         if skip_keys is None:
             skip_keys = []
 
@@ -447,7 +450,25 @@ class MachineManager(QObject):
             Logger.log("e", "While checking user custom settings occured error. skip_keys: %s", skip_keys )
             return False
 
-        return len(user_setting_keys) > 0
+        if len(user_setting_keys) > 0:
+            self.userSettingsUpdated = True
+        else:
+            self.userSettingsUpdated = False
+
+        self.userCustomSettingsChanged.emit()
+
+
+    userSettingsUpdated = False
+    userCustomSettingsChanged = pyqtSignal()
+
+    @pyqtSlot()
+    def checkWhetherUserContainersHaveSettings(self):
+        return self.hasUserCustomSettings()
+
+    #Property to show wheter user settings are updated or not
+    @pyqtProperty(bool, notify = userCustomSettingsChanged)
+    def userCustomSettingsProperty(self):
+        return self.userSettingsUpdated
 
     @pyqtProperty(int, notify = activeStackValueChanged)
     def numUserSettings(self) -> int:

resources/qml/SidebarSimple.qml

@@ -20,13 +20,10 @@ Item
     property variant minimumPrintTime: PrintInformation.minimumPrintTime;
     property variant maximumPrintTime: PrintInformation.maximumPrintTime;
     property bool settingsEnabled: ExtruderManager.activeExtruderStackId || machineExtruderCount.properties.value == 1
-    property bool hasUserSettings;
 
-    property var profileChangedCheckSkipKeys: ["support_enable" ,
-                                               "infill_sparse_density",
-                                               "gradual_infill_steps",
-                                               "adhesion_type",
-                                               "support_extruder_nr"]
+    property bool hasUserSettings: Cura.MachineManager.userCustomSettingsProperty
+
+
     property var tickClickedViaProfileSlider: undefined
 
     Component.onCompleted: PrintInformation.enabled = true
@@ -41,17 +38,9 @@ Item
         }
     }
 
-    Connections
-    {
-        target: CuraApplication
-        onSidebarSimpleDiscardOrKeepProfileChanges:
-        {
-            base.checkUserSettings();
-        }
-    }
-
     function checkUserSettings() {
-        hasUserSettings = Cura.MachineManager.hasUserCustomSettings(profileChangedCheckSkipKeys);
+
+        Cura.MachineManager.checkWhetherUserContainersHaveSettings()
         if (!hasUserSettings && tickClickedViaProfileSlider != undefined)
         {
             Cura.MachineManager.setActiveQuality(Cura.ProfilesModel.getItem(tickClickedViaProfileSlider).id);