gcc/libjava/java/awt/peer/ComponentPeer.java

/* ComponentPeer.java -- Toplevel component peer
   Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */


package java.awt.peer;

import java.awt.AWTEvent;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.Image;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.PaintEvent;
import java.awt.image.ColorModel;
import java.awt.image.ImageObserver;
import java.awt.image.ImageProducer;
import java.awt.image.VolatileImage;

public interface ComponentPeer
{
  public int checkImage(Image img, int width, int height, 
			ImageObserver ob);
  public Image createImage(ImageProducer prod);
  public Image createImage(int width, int height);
  public void disable();
  public void dispose();
  public void enable();
  public ColorModel getColorModel();
  public FontMetrics getFontMetrics(Font f);
  public Graphics getGraphics();
  public Point getLocationOnScreen();
  public Dimension getMinimumSize();
  public Dimension getPreferredSize();
  public Toolkit getToolkit();
  public void handleEvent(AWTEvent e);
  public void hide();

  /**
   * Part of the earlier 1.1 API, replaced by isFocusable().
   */
  public boolean isFocusTraversable();
  public boolean isFocusable();
  public Dimension minimumSize();
  public Dimension preferredSize();
  public void paint(Graphics graphics);
  public boolean prepareImage(Image img, int width, int height,
			      ImageObserver ob);
  public void print(Graphics graphics);
  public void repaint(long tm, int x, int y, int width, int height);

  /**
   * Part of the earlier 1.1 API, apparently replaced by argument 
   * form of the same method.
   */
  public void requestFocus();
  public boolean requestFocus(java.awt.Component source, boolean bool1, boolean bool2, long x);

  public void reshape(int x, int y, int width, int height);
  public void setBackground(Color color);
  public void setBounds(int x, int y, int width, int height);

  /**
   * Part of the earlier 1.1 API, apparently no longer needed.
   */
  public void setCursor(Cursor cursor);

  public void setEnabled(boolean enabled);
  public void setFont(Font font);
  public void setForeground(Color color);
  public void setVisible(boolean visible);
  public void show();

  /** 
   * Get the graphics configuration of the component. The color model
   * of the component can be derived from the configuration.
   */
  public GraphicsConfiguration getGraphicsConfiguration();

  /**
   * Part of an older API, no longer needed.
   */
  public void setEventMask (long mask);

  // Methods below are introduced since 1.1
  public boolean isObscured();
  public boolean canDetermineObscurity();
  public void coalescePaintEvent(PaintEvent e);
  public void updateCursorImmediately();
  public VolatileImage createVolatileImage(int width, int height);
  public boolean handlesWheelScrolling();
  public void createBuffers(int x, java.awt.BufferCapabilities capabilities) throws java.awt.AWTException;
  public java.awt.Image getBackBuffer();
  public void flip(java.awt.BufferCapabilities.FlipContents contents);
  public void destroyBuffers();
  
}