X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libjava%2Fgnu%2Fawt%2FLightweightRedirector.java;fp=libjava%2Fgnu%2Fawt%2FLightweightRedirector.java;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=a0ea7bcff4bbba4ebc6994e0057d69d80f6b5688;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/libjava/gnu/awt/LightweightRedirector.java b/libjava/gnu/awt/LightweightRedirector.java
deleted file mode 100644
index a0ea7bcf..00000000
--- a/libjava/gnu/awt/LightweightRedirector.java
+++ /dev/null
@@ -1,183 +0,0 @@
-/* Copyright (C) 2000  Free Software Foundation
-
-   This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
-details.  */
-
-package gnu.awt;
-
-import java.awt.AWTEvent;
-import java.awt.AWTError;
-import java.awt.Component;
-import java.awt.Container;
-import java.awt.event.MouseEvent;
-import java.awt.event.InputEvent;
-
-/**
- * Encapsulates the logic required to dispatch events to the correct
- * component in a component tree that may contain lightweight
- * components. Toolkits typically only identify heavyweight components
- * as the source of events. This class redirects the events to the
- * appropriate lightweight children of the heavyweight component.
- */
-public class LightweightRedirector
-{
-  final static int LAST_BUTTON_NUMBER = 3;
-
-  /* We sacrifice one array element to allow the button number to 
-     match the index of this array. */
-  Component[] releaseTargets = new Component[LAST_BUTTON_NUMBER+1];
-
-  /** 
-   *
-   * Modifies or replaces the given event with an event that has been
-   * properly redirected.  State of button presses are kept so that
-   * button releases can be redirected to the same component as the
-   * button press.  It is required that all events are sent through
-   * this method in chronological order.
-   */
-  public AWTEvent redirect(AWTEvent event)
-  {
-    if (event instanceof MouseEvent)
-      return redirectMouse((MouseEvent) event);
-
-    /* In case we don't know how to redirect the event, simply return
-       the event unchanged. */
-    return event;
-  }
-
-  MouseEvent redirectMouse(MouseEvent event)
-  {
-    int button = getButtonNumber(event);
-    int id = event.getID();
-
-    Component heavySource = (Component) event.getSource();
-    Component source = heavySource;
-    int x = event.getX();
-    int y = event.getY();
-
-    if (id == MouseEvent.MOUSE_RELEASED)
-      {
-	Component target = releaseTargets[button];
-
-	if (target != null)
-	  {
-	    releaseTargets[button] = null;
-	    source = target;
-
-	    Component child = source;
-	    while (child != heavySource)
-	      {
-		x -= child.getX();
-		y -= child.getY();
-		child = child.getParent();
-		if (child == null)
-		  System.err.println("warning, orphaned release target");
-	      }
-	  }
-      }
-    else
-      {
-	/* Find real component, and adjust source, x and y
-	   accordingly. */
-	
-	while (true)
-	  {
-	    Component parent = source;
-	    
-	    Component child = parent.getComponentAt(x, y);
-	    
-	    if (parent == child)
-	      break;
-	    
-	    // maybe ignoring would be better?
-	    if (child == null)
-	      {
-		String msg = "delivered event not within component. " +
-		  "Heavyweight source was " + heavySource + ". " +
-		  "Component was " + parent;
-		throw new AWTError(msg);
-	      }
-	    if (child.isLightweight())
-	      {
-		// descend down to child
-		source = child;
-		x -= child.getX();
-		y -= child.getY();
-	      }
-	    else
-	      {
-		System.err.println("warning: event delivered to wrong " +
-				   "heavyweight component. Was " +
-				   "delivered to " + source + ". " +
-				   "Should have been delivered to " +
-				   child + ". Maybe the native window " +
-				   "system is bubbling events up the " +
-				   "containment hierarchy.");
-		break;
-	      }
-	  }
-	
-	/* ensure that the release event is delivered to the same
-	   component as the press event. For most toolkits this is
-	   only necessary for lightweight components, since the
-	   underlying windowing system takes care of its heavyweight
-	   components. */
-	if (id == MouseEvent.MOUSE_PRESSED)
-	  releaseTargets[button] = source;
-      }
-    
-    
-    if (source == heavySource)
-      return event; // no change in event
-    
-    // print warning for heavyweights
-    /* this warning can safely be removed if a toolkit that
-       needs heavyweight redirection support is ever created. */
-    if (!source.isLightweight())
-      System.err.println("warning: redirecting to heavyweight");
-    
-    MouseEvent redirected = new MouseEvent(source, event.getID(),
-					   event.getWhen(),
-					   event.getModifiers(),
-					   x, y,
-					   event.getClickCount(),
-					   event.isPopupTrigger());
-    
-    return redirected;
-  }
-  
-  /**
-   * Identifies the button number for an input event.
-   * 
-   * @returns the button number, or 0 if no button modifier was set
-   * for the event.
-   */
-  int getButtonNumber(InputEvent event)
-  {
-    int modifiers = event.getModifiers();
-    
-    modifiers &=
-      InputEvent.BUTTON1_MASK |
-      InputEvent.BUTTON2_MASK |
-      InputEvent.BUTTON3_MASK;
-    
-    switch (modifiers)
-      {
-      case InputEvent.BUTTON1_MASK:
-	return 1;
-      case InputEvent.BUTTON2_MASK:
-	return 2;
-      case InputEvent.BUTTON3_MASK:
-	return 3;
-      case 0:
-	return 0;
-
-      default:
-	System.err.println("FIXME: multibutton event");
-	return 0;
-      }
-  }
-}