import sun.awt.LightweightFrame; //导入依赖的package包/类
@Override
public GraphicsDevice getGraphicsDevice() {
    CGraphicsEnvironment ge = (CGraphicsEnvironment)GraphicsEnvironment.
                              getLocalGraphicsEnvironment();

    LWLightweightFramePeer peer = (LWLightweightFramePeer)getPeer();
    int scale = ((LightweightFrame)peer.getTarget()).getScaleFactor();

    Rectangle bounds = ((LightweightFrame)peer.getTarget()).getHostBounds();
    for (GraphicsDevice d : ge.getScreenDevices()) {
        if (d.getDefaultConfiguration().getBounds().intersects(bounds) &&
            ((CGraphicsDevice)d).getScaleFactor() == scale)
        {
            return d;
        }
    }
    // We shouldn't be here...
    return ge.getDefaultScreenDevice();
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
@Override
public <T extends DragGestureRecognizer> T
    createDragGestureRecognizer(Class<T> abstractRecognizerClass,
                                DragSource ds, Component c, int srcActions,
                                DragGestureListener dgl)
{
    final LightweightFrame f = SunToolkit.getLightweightFrame(c);
    if (f != null) {
        return f.createDragGestureRecognizer(abstractRecognizerClass, ds, c, srcActions, dgl);
    }

    if (MouseDragGestureRecognizer.class.equals(abstractRecognizerClass))
        return (T)new WMouseDragGestureRecognizer(ds, c, srcActions, dgl);
    else
        return null;
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
@Override
public GraphicsDevice getGraphicsDevice() {
    CGraphicsEnvironment ge = (CGraphicsEnvironment)GraphicsEnvironment.
                              getLocalGraphicsEnvironment();

    LWLightweightFramePeer peer = (LWLightweightFramePeer)getPeer();
    int scale =(int) Math.round(((LightweightFrame)peer.getTarget())
                                                        .getScaleFactorX());

    Rectangle bounds = ((LightweightFrame)peer.getTarget()).getHostBounds();
    for (GraphicsDevice d : ge.getScreenDevices()) {
        if (d.getDefaultConfiguration().getBounds().intersects(bounds) &&
            ((CGraphicsDevice)d).getScaleFactor() == scale)
        {
            return d;
        }
    }
    // We shouldn't be here...
    return ge.getDefaultScreenDevice();
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public <T extends DragGestureRecognizer> T
    createDragGestureRecognizer(Class<T> abstractRecognizerClass,
                                DragSource ds, Component c, int srcActions,
                                DragGestureListener dgl)
{
    final LightweightFrame f = SunToolkit.getLightweightFrame(c);
    if (f != null) {
        return f.createDragGestureRecognizer(abstractRecognizerClass, ds, c, srcActions, dgl);
    }

    if (MouseDragGestureRecognizer.class.equals(abstractRecognizerClass))
        return (T)new WMouseDragGestureRecognizer(ds, c, srcActions, dgl);
    else
        return null;
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
/**
 * create the peer for a DragSourceContext
 */

@Override
public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException {
    final LightweightFrame f = SunToolkit.getLightweightFrame(dge.getComponent());
    if (f != null) {
        return f.createDragSourceContextPeer(dge);
    }

    return WDragSourceContextPeer.createDragSourceContextPeer(dge);
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
public LWLightweightFramePeer(LightweightFrame target,
                              PlatformComponent platformComponent,
                              PlatformWindow platformWindow)
{
    super(target, platformComponent, platformWindow, LWWindowPeer.PeerType.LW_FRAME);
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
private LightweightFrame getLwTarget() {
    return (LightweightFrame)getTarget();
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
@Override
public FramePeer createLightweightFrame(LightweightFrame target) {
    FramePeer peer = new WLightweightFramePeer(target);
    targetCreatedPeer(target, peer);
    return peer;
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
public WLightweightFramePeer(LightweightFrame target) {
    super(target);
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
private LightweightFrame getLwTarget() {
    return (LightweightFrame)target;
}
 

import sun.awt.LightweightFrame; //导入依赖的package包/类
XLightweightFramePeer(LightweightFrame target) {
    super(target);
}