Bind current_mesh_type to UM.ActiveTool.properties.getValue("MeshType")

CURA-6683

plugins/PerObjectSettingsTool/PerObjectSettingsPanel.qml

@@ -24,11 +24,11 @@ Item
     readonly property string infill_mesh_type: "infill_mesh"
     readonly property string anti_overhang_mesh_type: "anti_overhang_mesh"
 
-    property var current_mesh_type: normal_mesh_type
+    property var current_mesh_type: UM.ActiveTool.properties.getValue("MeshType")
 
 
     function setOverhangsMeshType(){
-        if(infillOnlyCheckbox.checked)
+        if (infillOnlyCheckbox.checked)
         {
             setMeshType(infill_mesh_type)
         }
@@ -39,19 +39,13 @@ Item
     }
 
     function setMeshType(type) {
-        current_mesh_type = type
-
-        // update the active object
-        if(UM.ActiveTool.properties.getValue("MeshType") !== type)
-        {
-            UM.ActiveTool.setProperty("MeshType", type)
-        }
+        UM.ActiveTool.setProperty("MeshType", type)
 
         // set checked state of mesh type buttons
-        normalButton.checked = current_mesh_type === normal_mesh_type
-        supportMeshButton.checked = current_mesh_type === support_mesh_type
-        overhangMeshButton.checked = current_mesh_type === infill_mesh_type || current_mesh_type === cutting_mesh_type
-        antiOverhangMeshButton.checked = current_mesh_type === anti_overhang_mesh_type
+        normalButton.checked = type === normal_mesh_type
+        supportMeshButton.checked = type === support_mesh_type
+        overhangMeshButton.checked = type === infill_mesh_type || type === cutting_mesh_type
+        antiOverhangMeshButton.checked = type === anti_overhang_mesh_type
 
         // update active type label
         for (var button in meshTypeButtons.children)

plugins/PerObjectSettingsTool/PerObjectSettingsTool.py

@@ -66,7 +66,11 @@ class PerObjectSettingsTool(Tool):
             selected_object.addDecorator(SettingOverrideDecorator())
         selected_object.callDecoration("setActiveExtruder", extruder_stack_id)
 
-    def setMeshType(self, mesh_type):
+    ## Returns True when the mesh_type was changed, False when current mesh_type == mesh_type
+    def setMeshType(self, mesh_type) -> bool:
+        if self.getMeshType() == mesh_type:
+            return False
+
         selected_object = Selection.getSelectedObject(0)
         stack = selected_object.callDecoration("getStack") #Don't try to get the active extruder since it may be None anyway.
         if not stack:
@@ -86,6 +90,9 @@ class PerObjectSettingsTool(Tool):
                     new_instance.resetState()  # Ensure that the state is not seen as a user state.
                     settings.addInstance(new_instance)
 
+        self.propertyChanged.emit()
+        return True
+
     def getMeshType(self):
         selected_object = Selection.getSelectedObject(0)
         stack = selected_object.callDecoration("getStack") #Don't try to get the active extruder since it may be None anyway.