Mark used parameters as disabled in parameter info popup

When using named arguments the IDE might be unable to map the current
argument to a parameter. In that case mark already used parameters as
disabled. That way developers can easily see which parameters have not
been used yet.

^KTIJ-128 Fixed

idea/tests/org/jetbrains/kotlin/idea/parameterInfo/MockParameterInfoUIContext.java

@@ -27,22 +27,36 @@ public class MockParameterInfoUIContext implements ParameterInfoUIContext {
     public String setupUIComponentPresentation(String text, int highlightStartOffset, int highlightEndOffset,
                                              boolean isDisabled, boolean strikeout,
                                              boolean isDisabledBeforeHighlight, Color background) {
-        String highlightedText;
+        String taggedText;
         if (highlightStartOffset != -1 && highlightEndOffset != -1) {
-            highlightedText = text.substring(0, highlightStartOffset)
-                              + "<highlight>"
-                              + text.substring(highlightStartOffset, highlightEndOffset)
-                              + "</highlight>"
-                              + text.substring(highlightEndOffset);
+            StringBuilder sb = new StringBuilder();
+            if (isDisabledBeforeHighlight) {
+                sb.append("<disabled>");
+            }
+
+            sb.append(text, 0, highlightStartOffset);
+
+            if (isDisabledBeforeHighlight) {
+                sb.append("</disabled>");
+            }
+
+            sb.append("<highlight>");
+            sb.append(text, highlightStartOffset, highlightEndOffset);
+            sb.append("</highlight>");
+
+            sb.append(text, highlightEndOffset, text.length());
+
+            taggedText = sb.toString();
         }
         else {
-            highlightedText = text;
+            taggedText = text;
         }
 
-        String resultText = "Text: (" + highlightedText + "), " +
+        String resultText = "Text: (" + taggedText + "), " +
                             "Disabled: " + isDisabled + ", " +
                             "Strikeout: " + strikeout + ", " +
                             "Green: " + KotlinParameterInfoWithCallHandlerBase.GREEN_BACKGROUND.equals(background);
+
         result.add(resultText);
 
         // return value not used, just return something

idea/tests/org/jetbrains/kotlin/idea/parameterInfo/ParameterInfoTestGenerated.java

@@ -226,6 +226,11 @@ public class ParameterInfoTestGenerated extends AbstractParameterInfoTest {
             runTest("idea/testData/parameterInfo/functionCall/NamedParameter3.kt");
         }
 
+        @TestMetadata("NamedParameter4.kt")
+        public void testNamedParameter4() throws Exception {
+            runTest("idea/testData/parameterInfo/functionCall/NamedParameter4.kt");
+        }
+
         @TestMetadata("NoAnnotations.kt")
         public void testNoAnnotations() throws Exception {
             runTest("idea/testData/parameterInfo/functionCall/NoAnnotations.kt");