1 files changed, 100 insertions, 14 deletions

diff --git a/libjava/java/awt/Window.java b/libjava/java/awt/Window.java
index d084bb4350b..0a39d20b1ff 100644
--- a/libjava/java/awt/Window.java
+++ b/libjava/java/awt/Window.java
@@ -56,12 +56,15 @@ import java.util.Vector;
 
 import javax.accessibility.Accessible;
 import javax.accessibility.AccessibleContext;
+import javax.accessibility.AccessibleRole;
+import javax.accessibility.AccessibleState;
+import javax.accessibility.AccessibleStateSet;
 
 /**
  * This class represents a top-level window with no decorations.
  *
- * @author Aaron M. Renn <arenn@urbanophile.com>
- * @author Warren Levy  <warrenl@cygnus.com>
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ * @author Warren Levy  (warrenl@cygnus.com)
  */
 public class Window extends Container implements Accessible
 {
@@ -84,11 +87,31 @@ public class Window extends Container implements Accessible
   private transient WindowFocusListener windowFocusListener;
   private transient WindowStateListener windowStateListener;
   private transient GraphicsConfiguration graphicsConfiguration;
-  private transient AccessibleContext accessibleContext;
 
   private transient boolean shown;
 
   private transient Component windowFocusOwner;
+  
+  /*
+   * The number used to generate the name returned by getName.
+   */
+  private static transient long next_window_number;
+
+  protected class AccessibleAWTWindow extends AccessibleAWTContainer
+  {
+    public AccessibleRole getAccessibleRole()
+    {
+      return AccessibleRole.WINDOW;
+    }
+    
+    public AccessibleStateSet getAccessibleStateSet()
+    {
+      AccessibleStateSet states = super.getAccessibleStateSet();
+      if (isActive())
+        states.add(AccessibleState.ACTIVE);
+      return states;
+    }
+  }
 
   /** 
    * This (package access) constructor is used by subclasses that want
@@ -200,12 +223,11 @@ public class Window extends Container implements Accessible
         && gc.getDevice().getType() != GraphicsDevice.TYPE_RASTER_SCREEN)
       throw new IllegalArgumentException ("gc must be from a screen device");
 
-    // FIXME: until we implement this, it just causes AWT to crash.
-//     if (gc == null)
-//       graphicsConfiguration = GraphicsEnvironment.getLocalGraphicsEnvironment()
-//         .getDefaultScreenDevice()
-//         .getDefaultConfiguration();
-//     else
+    if (gc == null)
+      graphicsConfiguration = GraphicsEnvironment.getLocalGraphicsEnvironment()
+                                                 .getDefaultScreenDevice()
+                                                 .getDefaultConfiguration();
+    else
       graphicsConfiguration = gc;
   }
 
@@ -672,8 +694,34 @@ public class Window extends Container implements Accessible
 	  }
       }
   }
+  
+  /**
+   * Identifies if this window is active.  The active window is a Frame or
+   * Dialog that has focus or owns the active window.
+   *  
+   * @return true if active, else false.
+   * @since 1.4
+   */
+  public boolean isActive()
+  {
+    KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();
+    return manager.getActiveWindow() == this;
+  }
 
   /**
+   * Identifies if this window is focused.  A window is focused if it is the
+   * focus owner or it contains the focus owner.
+   * 
+   * @return true if focused, else false.
+   * @since 1.4
+   */
+  public boolean isFocused()
+  {
+    KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();
+    return manager.getFocusedWindow() == this;
+  }
+  
+  /**
    * Returns the child window that has focus if this window is active.
    * This method returns <code>null</code> if this window is not active
    * or no children have focus.
@@ -731,6 +779,22 @@ public class Window extends Container implements Accessible
     return super.isShowing();
   }
 
+  public void setLocationRelativeTo (Component c)
+  {
+    if (c == null || !c.isShowing ())
+      {
+        int x = 0;
+        int y = 0;
+
+        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment ();
+        Point center = ge.getCenterPoint ();
+        x = center.x - (width / 2);
+        y = center.y - (height / 2);
+        setLocation (x, y);
+      }
+    // FIXME: handle case where component is non-null.
+  }
+
   /**
    * @since 1.2
    *
@@ -754,11 +818,18 @@ public class Window extends Container implements Accessible
       applyResourceBundle(rb);    
   }
 
+  /**
+   * Gets the AccessibleContext associated with this <code>Window</code>.
+   * The context is created, if necessary.
+   *
+   * @return the associated context
+   */
   public AccessibleContext getAccessibleContext()
   {
-    // FIXME
-    //return null;
-    throw new Error ("Not implemented");
+    /* Create the context if this is the first request */
+    if (accessibleContext == null)
+      accessibleContext = new AccessibleAWTWindow();
+    return accessibleContext;
   }
 
   /** 
@@ -866,17 +937,32 @@ public class Window extends Container implements Accessible
     this.y = y;
     width = w;
     height = h;
-    if (resized)
+    if (resized && isShowing ())
       {
         ComponentEvent ce =
           new ComponentEvent(this, ComponentEvent.COMPONENT_RESIZED);
         getToolkit().getSystemEventQueue().postEvent(ce);
       }
-    if (moved)
+    if (moved && isShowing ())
       {
         ComponentEvent ce =
           new ComponentEvent(this, ComponentEvent.COMPONENT_MOVED);
         getToolkit().getSystemEventQueue().postEvent(ce);
       }
   }
+
+  /**
+   * Generate a unique name for this window.
+   *
+   * @return A unique name for this window.
+   */
+  String generateName()
+  {
+    return "win" + getUniqueLong();
+  }
+
+  private static synchronized long getUniqueLong()
+  {
+    return next_window_number++;
+  }
 }