[Patch][gui] java.awt.dnd.DropTarget

[Michael Koch]

Hi list,


I commited the attached patch for Graydon. It was part of his JEdit
patch for GNU classpath.


Michael


2005-01-27  Graydon Hoare  <graydon@redhat.com>

	* java/awt/dnd/DropTarget.java
	(addDropTargetListener): Despite documentation, do not throw.
	* javax/swing/JComponent.java: Set a default DropTarget.

-------------- next part --------------
Index: java/awt/dnd/DropTarget.java
===================================================================
RCS file: /cvs/gcc/gcc/libjava/java/awt/dnd/DropTarget.java,v
retrieving revision 1.7.20.1
diff -u -r1.7.20.1 DropTarget.java
--- java/awt/dnd/DropTarget.java	27 Sep 2004 15:14:28 -0000	1.7.20.1
+++ java/awt/dnd/DropTarget.java	27 Jan 2005 19:13:21 -0000
@@ -211,9 +211,10 @@
   public void addDropTargetListener (DropTargetListener dtl)
     throws TooManyListenersException
   {
-    if (dtl != null)
-      throw new TooManyListenersException ();
-    
+    // Sun's JDK does not, despite documentation, throw any sort of
+    // exception here when you install an additional DropTargetListener.
+    // So to be compatible, we do the same thing.
+
     dropTargetListener = dtl;
   }
 
Index: javax/swing/JComponent.java
===================================================================
RCS file: /cvs/gcc/gcc/libjava/javax/swing/JComponent.java,v
retrieving revision 1.7.2.27
diff -u -r1.7.2.27 JComponent.java
--- javax/swing/JComponent.java	25 Jan 2005 07:07:42 -0000	1.7.2.27
+++ javax/swing/JComponent.java	27 Jan 2005 19:13:21 -0000
@@ -1,5 +1,5 @@
 /* JComponent.java -- Every component in swing inherits from this class.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2005  Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -50,6 +50,7 @@
 import java.awt.Insets;
 import java.awt.Point;
 import java.awt.Rectangle;
+import java.awt.dnd.DropTarget;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.ContainerEvent;
@@ -395,6 +396,7 @@
   {
     super();
     super.setLayout(new FlowLayout());
+    setDropTarget(new DropTarget());
     defaultLocale = Locale.getDefault();
     debugGraphicsOptions = DebugGraphics.NONE_OPTION;
   }
@@ -870,6 +872,9 @@
    */
   protected Graphics getComponentGraphics(Graphics g)
   {    
+    if (debugGraphicsOptions != DebugGraphics.NONE_OPTION)
+      g = new DebugGraphics(g, this);
+    
     Graphics g2 = g.create();
     g2.setFont(this.getFont());
     g2.setColor(this.getForeground());