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EditorGUI.showMixedValue

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public static var showMixedValue: bool;
public static bool showMixedValue;
public static showMixedValue as bool

Description

Makes the following controls give the appearance of editing multiple different values.

This is sometimes useful when creating custom editors and you want to represent a value in a non-standard way in the GUI while also supporting multi-object editing.

	// This example shows a custom inspector for an object "MyVessel".
	// MyVessel has a boolean variable isFast but we want to show it
	// as a dropdown instead of as a toggle.
	
	enum SpeedOption { Slow, Fast }
	
	@CustomEditor (MyVessel)
	@CanEditMultipleObjects
	class MyVesselEditor extends Editor {
		var isFastProp : SerializedProperty;
		
		function OnEnable () {
			isFastProp = serializedObject.FindProperty ("isFast");
		}
		
		function OnInspectorGUI () {
			serializedObject.Update ();
			
			// Show the isFast boolean the standard way - as a toggle:
			EditorGUILayout.PropertyField (isFastProp);
			
			// Show the isFast boolean as a dropdown using the SpeedOption enum defined above:
			
			// Check if the value was changed inside this block
			EditorGUI.BeginChangeCheck ();
			
			// If the isFast property represent multiple different values, the dropdown should show that:
			EditorGUI.showMixedValue = isFastProp.hasMultipleDifferentValues;
			
			// Convert the isFast boolean to an enum value
			var speedOptionEnumValue : SpeedOption;
			if (isFastProp.boolValue == true)
				speedOptionEnumValue = SpeedOption.Fast;
			else
				speedOptionEnumValue = SpeedOption.Slow;
			
			// Present the enum value in a dropdown:
			speedOptionEnumValue = EditorGUILayout.EnumPopup ("Speed", speedOptionEnumValue);
			
			// Set showMixedValue to false so it doesn't affect the following controls, if any:
			EditorGUI.showMixedValue = false;
			
			// If the value was changed inside this block, apply the new value to all the objects:
			if (EditorGUI.EndChangeCheck ())
				isFastProp.boolValue = (speedOptionEnumValue == SpeedOption.Fast ? true : false);
			
			serializedObject.ApplyModifiedProperties ();
		}
	}
	// This is the MyVessel script used above
	
	var isFast : boolean = false;
	
	function Update () {
		// Update logic here...
	}