1 files changed, 42 insertions, 0 deletions
diff --git a/java/gjt/ComponentScroller.java b/java/gjt/ComponentScroller.java
new file mode 100644
index 00000000000..3aef71c4ea2
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+++ b/java/gjt/ComponentScroller.java
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+package gjt;
+
+import java.awt.*;
+
+/**
+ * Scrolls any component.  Component to be scrolled may be a
+ * container, so ultimately many components may be scrolled
+ * at once.<p>
+ *
+ * Component to be scrolled may be specified at construction
+ * time, or may be set after construction via 
+ * void setComponent(Component).<p>
+ *
+ * @version 1.0, Apr 1 1996
+ * @author  David Geary
+ * @see     BulletinLayout
+ * @see     Scroller
+ * @see     ScrollerLayout
+ * @see     ImageScroller
+ * @see     gjt.test.ComponentScrollerTest
+ */
+public class ComponentScroller extends Scroller {
+    private Component scrollMe;
+
+    public ComponentScroller() {
+    }
+    public ComponentScroller(Component component) {
+        setComponent(component);
+    }
+    public void setComponent(Component component) {
+        scrollMe = component;
+        viewport.setLayout(new BulletinLayout());
+        viewport.add      (scrollMe);
+        viewport.move     (0,0);
+    }
+    public void scrollTo(int x, int y) {
+        scrollMe.move(-x,-y);
+    }
+    public Dimension getScrollAreaSize() {
+        return scrollMe.preferredSize();
+    }
+}