config: add support for integer config items to have units

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

@@ -33,4 +33,5 @@ public class ConfigItemDescriptor
 	private final Class<?> type;
 	private final Range range;
 	private final Alpha alpha;
+	private final Units units;
 }

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

@@ -455,7 +455,8 @@ public class ConfigManager
 				m.getDeclaredAnnotation(ConfigItem.class),
 				m.getReturnType(),
 				m.getDeclaredAnnotation(Range.class),
-				m.getDeclaredAnnotation(Alpha.class)
+				m.getDeclaredAnnotation(Alpha.class),
+				m.getDeclaredAnnotation(Units.class)
 			))
 			.sorted((a, b) -> ComparisonChain.start()
 				.compare(a.getItem().position(), b.getItem().position())

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

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2020, Hydrox6 <ikada@protonmail.ch>
+ * 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, defines what units are shown to the side of the box.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+@Documented
+public @interface Units
+{
+	String MILLISECONDS = "ms";
+	String MINUTES = " mins";
+	String PERCENT = "%";
+	String PIXELS = "px";
+	String SECONDS = "s";
+	String TICKS = " ticks";
+
+	String value();
+}

runelite-client/src/main/java/net/runelite/client/plugins/config/ConfigPanel.java

@@ -36,6 +36,7 @@ import java.awt.event.ItemEvent;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.image.BufferedImage;
+import java.text.DecimalFormat;
 import javax.inject.Inject;
 import javax.swing.BorderFactory;
 import javax.swing.ImageIcon;
@@ -66,6 +67,7 @@ import net.runelite.client.config.ConfigManager;
 import net.runelite.client.config.Keybind;
 import net.runelite.client.config.ModifierlessKeybind;
 import net.runelite.client.config.Range;
+import net.runelite.client.config.Units;
 import net.runelite.client.eventbus.Subscribe;
 import net.runelite.client.events.ExternalPluginsChanged;
 import net.runelite.client.events.PluginChanged;
@@ -256,6 +258,16 @@ class ConfigPanel extends PluginPanel
 				spinnerTextField.setColumns(SPINNER_FIELD_WIDTH);
 				spinner.addChangeListener(ce -> changeConfiguration(spinner, cd, cid));
 
+				Units units = cid.getUnits();
+				if (units != null)
+				{
+					DecimalFormat df = ((JSpinner.NumberEditor) spinner.getEditor()).getFormat();
+					df.setPositiveSuffix(units.value());
+					df.setNegativeSuffix(units.value());
+					// Force update the spinner to have it add the units initially
+					spinnerTextField.setValue(value);
+				}
+
 				item.add(spinner, BorderLayout.EAST);
 			}