added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/command/MouseButtonControl.java

@@ -0,0 +1,39 @@
+package org.newdawn.slick.command;
+
+/**
+ * A control indicating that a mouse button must be pressed or released to cause an command
+ * 
+ * @author joverton
+ */
+public class MouseButtonControl implements Control {
+	/** The button to be pressed */
+    private int button;
+    
+    /**
+     * Create a new control that indicates a mouse button to be pressed or released
+     * 
+     * @param button The button that should be pressed to cause the command
+     */
+    public MouseButtonControl(int button) {
+        this.button = button;
+    }
+
+    /**
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    public boolean equals(Object o) {
+        if (o instanceof MouseButtonControl) 
+        {
+        	return ((MouseButtonControl)o).button == button;
+        }
+        
+        return false;
+    }
+    
+    /**
+     * @see java.lang.Object#hashCode()
+     */
+    public int hashCode() {
+        return button;
+    }
+}