Config: add Alpha annotation

runelite-client/src/main/java/net/runelite/client/config/Alpha.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2018, Ron Young <https://github.com/raiyni>
+ * All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *     list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package net.runelite.client.config;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Used with ConfigItem, determines if to use alpha slider on colors
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+@Documented
+public @interface Alpha
+{
+}

runelite-client/src/main/java/net/runelite/client/config/ConfigItemDescriptor.java

@@ -32,4 +32,5 @@ public class ConfigItemDescriptor
 	private final ConfigItem item;
 	private final Class<?> type;
 	private final Range range;
+	private final Alpha alpha;
 }

runelite-client/src/main/java/net/runelite/client/config/ConfigManager.java

@@ -386,7 +386,8 @@ public class ConfigManager
 			.map(m -> new ConfigItemDescriptor(
 				m.getDeclaredAnnotation(ConfigItem.class),
 				m.getReturnType(),
-				m.getDeclaredAnnotation(Range.class)
+				m.getDeclaredAnnotation(Range.class),
+				m.getDeclaredAnnotation(Alpha.class)
 			))
 			.sorted((a, b) -> ComparisonChain.start()
 				.compare(a.getItem().position(), b.getItem().position())