JDK14/Java14源码在线阅读

/*
 * Copyright (c) 1995, 2014, 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
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 */

package java.awt.peer;

import java.awt.*;

/**
 * The peer interface for {@link Window}.
 *
 * 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 WindowPeer extends ContainerPeer {

    /**
     * Makes this window the topmost window on the desktop.
     *
     * @see Window#toFront()
     */
    void toFront();

    /**
     * Makes this window the bottommost window on the desktop.
     *
     * @see Window#toBack()
     */
    void toBack();

    /**
     * Updates the window's always-on-top state.
     * Sets if the window should always stay
     * on top of all other windows or not.
     *
     * @see Window#isAlwaysOnTop()
     * @see Window#setAlwaysOnTop(boolean)
     */
    void updateAlwaysOnTopState();

    /**
     * Updates the window's focusable state.
     *
     * @see Window#setFocusableWindowState(boolean)
     */
    void updateFocusableWindowState();

    /**
     * Sets if this window is blocked by a modal dialog or not.
     *
     * @param blocker the blocking modal dialog
     * @param blocked {@code true} to block the window, {@code false}
     *        to unblock it
     */
    void setModalBlocked(Dialog blocker, boolean blocked);

    /**
     * Updates the minimum size on the peer.
     *
     * @see Window#setMinimumSize(Dimension)
     */
    void updateMinimumSize();

    /**
     * Updates the icons for the window.
     *
     * @see Window#setIconImages(java.util.List)
     */
    void updateIconImages();

    /**
     * Sets the level of opacity for the window.
     * @param opacity the level of opacity
     * @see Window#setOpacity(float)
     */
    void setOpacity(float opacity);

    /**
     * Enables the per-pixel alpha support for the window.
     * @param isOpaque whether or not per-pixel alpha support is
     * enabled

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