Widgets: add setItemId

runelite-api/src/main/java/net/runelite/api/widgets/Widget.java

@@ -343,6 +343,13 @@ public interface Widget
 	 */
 	int getItemId();
 
+	/**
+	 * Sets the item ID displayed by the widget.
+	 *
+	 * @param itemId the item ID
+	 */
+	void setItemId(int itemId);
+
 	/**
 	 * Gets the quantity of the item displayed by the widget.
 	 *
@@ -512,7 +519,7 @@ public interface Widget
 	 *
 	 * @param args A ScriptID, then the args for the script
 	 */
-	void setOnOpListener(Object ...args);
+	void setOnOpListener(Object... args);
 
 	/**
 	 * If this widget has any listeners on it

runelite-client/src/main/java/net/runelite/client/plugins/devtools/WidgetInfoTableModel.java

@@ -124,7 +124,7 @@ public class WidgetInfoTableModel extends AbstractTableModel
 			String.class
 		));
 		out.add(new WidgetField<>("Name", w -> w.getName().trim(), Widget::setName, String.class));
-		out.add(new WidgetField<>("ItemId", Widget::getItemId));
+		out.add(new WidgetField<>("ItemId", Widget::getItemId, Widget::setItemId, Integer.class));
 		out.add(new WidgetField<>("ItemQuantity", Widget::getItemQuantity));
 		out.add(new WidgetField<>("ModelId", Widget::getModelId));
 		out.add(new WidgetField<>("SpriteId", Widget::getSpriteId, Widget::setSpriteId, Integer.class));

runescape-api/src/main/java/net/runelite/rs/api/RSWidget.java

@@ -225,6 +225,10 @@ public interface RSWidget extends Widget
 	@Override
 	int getItemId();
 
+	@Import("itemId")
+	@Override
+	void setItemId(int itemId);
+
 	@Import("itemQuantity")
 	@Override
 	int getItemQuantity();
@@ -281,7 +285,7 @@ public interface RSWidget extends Widget
 
 	@Import("onOpListener")
 	@Override
-	void setOnOpListener(Object ...args);
+	void setOnOpListener(Object... args);
 
 	@Import("setAction")
 	@Override