JDK14/Java14源码在线阅读

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
 *
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package sun.awt.X11;

import java.awt.Graphics;
import java.awt.dnd.DropTarget;

import sun.awt.LightweightFrame;
import sun.awt.OverrideNativeWindowHandle;
import sun.swing.JLightweightFrame;
import sun.swing.SwingAccessor;

public class XLightweightFramePeer extends XFramePeer implements OverrideNativeWindowHandle {

    XLightweightFramePeer(LightweightFrame target) {
        super(target);
    }

    private LightweightFrame getLwTarget() {
        return (LightweightFrame)target;
    }

    @Override
    public Graphics getGraphics() {
        return getLwTarget().getGraphics();
    }

    @Override
    public void xSetVisible(boolean visible) {
        this.visible = visible;
    }

    @Override
    protected void requestXFocus(long time, boolean timeProvided) {
        // not sending native focus events to the proxy
    }

    @Override
    public void setGrab(boolean grab) {
        if (grab) {
            getLwTarget().grabFocus();
        } else {
            getLwTarget().ungrabFocus();
        }
    }

    @Override
    public void updateCursorImmediately() {
        SwingAccessor.getJLightweightFrameAccessor().updateCursor((JLightweightFrame)getLwTarget());
    }

    @Override
    public void addDropTarget(DropTarget dt) {
        getLwTarget().addDropTarget(dt);
    }

    @Override
    public void removeDropTarget(DropTarget dt) {

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