From e589ede6fdc3f0f3f70be950bdd85d996eb19eca Mon Sep 17 00:00:00 2001
From: Michael Koch <konqueror@gmx.de>
Date: Sun, 2 Mar 2003 14:01:40 +0000
Subject: 2003-03-02  Michael Koch  <konqueror@gmx.de>

	* java/awt/Component.java
	(eventTypeEnabled): New method.
	(dispatchEventImpl): Moved checks for event to eventTypeEnabled.
	* java/awt/Container.java
	(changeSupport): New member variable.
	(addPropertyChangeListener): New methods.
	* java/awt/ContainerOrderFocusTraversalPolicy.java
	(ContainerOrderFocusTraversalPolicy): Added comment.
	(getComponentAfter): Throw exception, documentation added.
	(getComponentBefore): Throw exception, documentation added.
	(getFirstComponent): Throw exception, documentation added.
	(getLastComponent): Throw exception, documentation added.
	(getDefaultComponent): Throw exception, documentation added.
	* java/awt/EventQueue.java: Reindented.
	* java/awt/FocusTraversalPolicy.java:
	(FocusTraversalPolicy): Added comment.
	(getComponentAfter): Documentation added.
	(getComponentBefore): Documentation added.
	(getFirstComponent): Documentation added.
	(getLastComponent): Documentation added.
	(getDefaultComponent): Documentation added.
	(getInitialComponent): Documentation added.
	* java/awt/ScrollPane.java
	(wheelScrollingEnabled): New member variable.
	(ScrollPane): Initialize wheelScollingEnabled.
	(eventTypeEnabled): New method.
	(isWheelScrollingEnabled): New method.
	(setWheelScrollingEnabled): New method.

From-SVN: r63663
---
 libjava/java/awt/ScrollPane.java | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'libjava/java/awt/ScrollPane.java')

diff --git a/libjava/java/awt/ScrollPane.java b/libjava/java/awt/ScrollPane.java
index 9b8b82a9a95..b5192f32faa 100644
--- a/libjava/java/awt/ScrollPane.java
+++ b/libjava/java/awt/ScrollPane.java
@@ -38,6 +38,7 @@ exception statement from your version. */
 
 package java.awt;
 
+import java.awt.event.MouseEvent;
 import java.awt.peer.ScrollPanePeer;
 import java.awt.peer.ContainerPeer;
 import java.awt.peer.ComponentPeer;
@@ -105,6 +106,8 @@ private int scrollbarDisplayPolicy;
 // Current scroll position
 private Point scrollPosition = new Point(0, 0);
 
+private boolean wheelScrollingEnabled;
+
 /*************************************************************************/
 
 /*
@@ -153,6 +156,8 @@ ScrollPane(int scrollbarDisplayPolicy)
       hAdjustable = new ScrollPaneAdjustable(Scrollbar.HORIZONTAL);
       vAdjustable = new ScrollPaneAdjustable(Scrollbar.VERTICAL);
     }
+
+  wheelScrollingEnabled = true;
 }
 
 /*************************************************************************/
@@ -470,5 +475,37 @@ paramString()
   return(getClass().getName());
 }
 
+  /**
+   * Tells wether or not an event is enabled.
+   *
+   * @since 1.4
+   */
+  public boolean eventTypeEnabled (int type)
+  {
+    if (type == MouseEvent.MOUSE_WHEEL)
+      return wheelScrollingEnabled;
+
+    return super.eventTypeEnabled (type);
+  }
+
+  /**
+   * Tells wether or not wheel scrolling is enabled.
+   *
+   * @since 1.4
+   */
+  public boolean isWheelScrollingEnabled ()
+  {
+    return wheelScrollingEnabled;
+  }
+
+  /**
+   * Enables/disables wheel scrolling.
+   *
+   * @since 1.4
+   */
+  public void setWheelScrollingEnabled (boolean enable)
+  {
+    wheelScrollingEnabled = enable;
+  }
 } // class ScrollPane 
 
-- 
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