/*
* Copyright (c) 1995, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
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*/
package java.awt.peer;
import java.awt.*;
import java.awt.event.PaintEvent;
import java.awt.image.ImageProducer;
import java.awt.image.ImageObserver;
import java.awt.image.ColorModel;
import java.awt.image.VolatileImage;
import java.awt.GraphicsConfiguration;
import sun.awt.CausedFocusEvent;
import sun.java2d.pipe.Region;
/**
* The peer interfaces are intended only for use in porting
* the AWT. They are not intended for use by application
* developers, and developers should not implement peers
* nor invoke any of the peer methods directly on the peer
* instances.
*/
public interface ComponentPeer {
public static final int SET_LOCATION = 1,
SET_SIZE = 2,
SET_BOUNDS = 3,
SET_CLIENT_SIZE = 4,
RESET_OPERATION = 5,
NO_EMBEDDED_CHECK = (1 << 14),
DEFAULT_OPERATION = SET_BOUNDS;
boolean isObscured();
boolean canDetermineObscurity();
void setVisible(boolean b);
void setEnabled(boolean b);
void paint(Graphics g);
void repaint(long tm, int x, int y, int width, int height);
void print(Graphics g);
void setBounds(int x, int y, int width, int height, int op);
void handleEvent(AWTEvent e);
void coalescePaintEvent(PaintEvent e);
Point getLocationOnScreen();
Dimension getPreferredSize();
Dimension getMinimumSize();
ColorModel getColorModel();
Toolkit getToolkit();
Graphics getGraphics();
FontMetrics getFontMetrics(Font font);
void dispose();
void setForeground(Color c);
void setBackground(Color c);
void setFont(Font f);
void updateCursorImmediately();
boolean requestFocus(Component lightweightChild,
boolean temporary,
boolean focusedWindowChangeAllowed,
long time, CausedFocusEvent.Cause cause);
boolean isFocusable();
Image createImage(ImageProducer producer);
Image createImage(int width, int height);
VolatileImage createVolatileImage(int width, int height);
boolean prepareImage(Image img, int w, int h, ImageObserver o);
int checkImage(Image img, int w, int h, ImageObserver o);
GraphicsConfiguration getGraphicsConfiguration();
boolean handlesWheelScrolling();
void createBuffers(int numBuffers, BufferCapabilities caps) throws AWTException;
Image getBackBuffer();
void flip(BufferCapabilities.FlipContents flipAction);
void destroyBuffers();
/**
* Reparents this peer to the new parent referenced by <code>newContainer</code> peer
* Implementation depends on toolkit and container.
* @param newContainer peer of the new parent container
* @since 1.5
*/
void reparent(ContainerPeer newContainer);
/**
* Returns whether this peer supports reparenting to another parent withour destroying the peer
* @return true if appropriate reparent is supported, false otherwise
* @since 1.5
*/
boolean isReparentSupported();
/**
* Used by lightweight implementations to tell a ComponentPeer to layout
* its sub-elements. For instance, a lightweight Checkbox needs to layout
* the box, as well as the text label.
*/
void layout();
Rectangle getBounds();
/**
* Applies the shape to the native component window.
* @since 1.7
*/
void applyShape(Region shape);
/**
* DEPRECATED: Replaced by getPreferredSize().
*/
Dimension preferredSize();
/**
* DEPRECATED: Replaced by getMinimumSize().
*/
Dimension minimumSize();
/**
* DEPRECATED: Replaced by setVisible(boolean).
*/
void show();
/**
* DEPRECATED: Replaced by setVisible(boolean).
*/
void hide();
/**
* DEPRECATED: Replaced by setEnabled(boolean).
*/
void enable();
/**
* DEPRECATED: Replaced by setEnabled(boolean).
*/
void disable();
/**
* DEPRECATED: Replaced by setBounds(int, int, int, int).
*/
void reshape(int x, int y, int width, int height);
}