mouseDragged event

src/yugecin/opsudance/core/DisplayContainer.java

@@ -386,7 +386,9 @@ public class DisplayContainer implements ErrorDumpable, KeyListener, MouseListen
 	public void mouseMoved(int oldx, int oldy, int newx, int newy) { }
 
 	@Override
-	public void mouseDragged(int oldx, int oldy, int newx, int newy) { }
+	public void mouseDragged(int oldx, int oldy, int newx, int newy) {
+		state.mouseDragged(oldx, oldy, newx, newy);
+	}
 
 	@Override
 	public void setInput(Input input) { }

src/yugecin/opsudance/core/state/BaseOpsuState.java

@@ -107,6 +107,11 @@ public abstract class BaseOpsuState implements OpsuState, EventListener<Resoluti
 		return false;
 	}
 
+	@Override
+	public boolean mouseDragged(int oldx, int oldy, int newx, int newy) {
+		return false;
+	}
+
 	@Override
 	public void writeErrorDump(StringWriter dump) {
 		dump.append("> BaseOpsuState dump\n");

src/yugecin/opsudance/core/state/OpsuState.java

@@ -58,4 +58,9 @@ public interface OpsuState extends ErrorDumpable {
 	 */
 	boolean mouseReleased(int button, int x, int y);
 
+	/**
+	 * @return false to stop event bubbling
+	 */
+	boolean mouseDragged(int oldx, int oldy, int newx, int newy);
+
 }