Add a context-menu item to copy a value to all extruders.

CURA-1758

cura/Settings/MachineManager.py

@@ -505,6 +505,19 @@ class MachineManager(QObject):
             return True
         return containers[0].isReadOnly()
 
+    ## Copy the value of the setting of the current extruder to all other extruders as well as the global container.
+    @pyqtSlot(str)
+    def copyValueToExtruders(self, key):
+        if not self._active_container_stack or self._global_container_stack.getProperty("machine_extruder_count", "value") <= 1:
+            return
+
+        new_value = self._active_container_stack.getProperty(key, "value")
+        stacks = [stack for stack in self._extruder_manager.getMachineExtruders(self._global_container_stack.getId())]
+        stacks.append(self._global_container_stack)
+        for extruder_stack in stacks:
+            if extruder_stack != self._active_container_stack and extruder_stack.getProperty(key, "value") != new_value:
+                extruder_stack.getTop().setProperty(key, "value", new_value)
+
     @pyqtSlot(result = str)
     def newQualityContainerFromQualityAndUser(self):
         new_container_id = self.duplicateContainer(self.activeQualityId)

resources/qml/Settings/SettingView.qml

@@ -102,7 +102,12 @@ ScrollView
             Connections
             {
                 target: item
-                onContextMenuRequested: { contextMenu.key = model.key; contextMenu.popup() }
+                onContextMenuRequested:
+                {
+                    contextMenu.key = model.key;
+                    contextMenu.provider = provider
+                    contextMenu.popup();
+                }
                 onShowTooltip: base.showTooltip(delegate, { x: 0, y: delegate.height / 2 }, text)
                 onHideTooltip: base.hideTooltip()
             }
@@ -134,9 +139,24 @@ ScrollView
 
         Menu
         {
-            id: contextMenu;
+            id: contextMenu
 
-            property string key;
+            property string key
+            property var provider
+
+            MenuItem
+            {
+                //: Settings context menu action
+                text: catalog.i18nc("@action:menu", "Copy value to all extruders")
+                visible: machineExtruderCount.properties.value > 1
+                enabled: contextMenu.provider.properties.settable_per_extruder != "False"
+                onTriggered: Cura.MachineManager.copyValueToExtruders(contextMenu.key)
+            }
+
+            MenuSeparator
+            {
+                visible: machineExtruderCount.properties.value > 1
+            }
 
             MenuItem
             {
@@ -152,5 +172,15 @@ ScrollView
                 onTriggered: Cura.Actions.configureSettingVisibility.trigger(contextMenu);
             }
         }
+
+        UM.SettingPropertyProvider
+        {
+            id: machineExtruderCount
+
+            containerStackId: Cura.MachineManager.activeMachineId
+            key: "machine_extruder_count"
+            watchedProperties: [ "value" ]
+            storeIndex: 0
+        }
     }
 }