import sun.lwawt.macosx.LWCToolkit; //导入依赖的package包/类
static boolean getScreenMenuBarProperty() {
    // Do not allow AWT to set the screen menu bar if it's embedded in another UI toolkit
    if (LWCToolkit.isEmbedded()) return false;
    if (AccessController.doPrivileged(
            new GetBooleanAction(AquaLookAndFeel.sPropertyPrefix + "useScreenMenuBar"))) {
        return true;
    }
    if (AccessController.doPrivileged(
            new GetBooleanAction(AquaLookAndFeel.sOldPropertyPrefix + "useScreenMenuBar"))) {
            System.err.println(AquaLookAndFeel.sOldPropertyPrefix +
                    "useScreenMenuBar has been deprecated. Please switch to " +
                    AquaLookAndFeel.sPropertyPrefix + "useScreenMenuBar");
            return true;
    }
    return false;
}
 

import sun.lwawt.macosx.LWCToolkit; //导入依赖的package包/类
public static boolean getScreenMenuBarProperty() {
    // Do not allow AWT to set the screen menu bar if it's embedded in another UI toolkit
    if (LWCToolkit.isEmbedded()) return false;
    if (AccessController.doPrivileged(
            new GetBooleanAction(AquaLookAndFeel.sPropertyPrefix + "useScreenMenuBar"))) {
        return true;
    }
    if (AccessController.doPrivileged(
            new GetBooleanAction(AquaLookAndFeel.sOldPropertyPrefix + "useScreenMenuBar"))) {
            System.err.println(AquaLookAndFeel.sOldPropertyPrefix +
                    "useScreenMenuBar has been deprecated. Please switch to " +
                    AquaLookAndFeel.sPropertyPrefix + "useScreenMenuBar");
            return true;
    }
    return false;
}
 

import sun.lwawt.macosx.LWCToolkit; //导入依赖的package包/类
@Override
public String getFontPath(boolean noType1Fonts) {
    // In the case of the Cocoa toolkit, since we go through NSFont, we don't need to register /Library/Fonts
    Toolkit tk = Toolkit.getDefaultToolkit();
    if (tk instanceof HeadlessToolkit) {
        tk = ((HeadlessToolkit)tk).getUnderlyingToolkit();
    }
    if (tk instanceof LWCToolkit) {
        return "";
    }

    // X11 case
    return "/Library/Fonts";
}
 

import sun.lwawt.macosx.LWCToolkit; //导入依赖的package包/类
public static Color getFocusRingColorUIResource() {
    return new SystemColorProxy(LWCToolkit.getAppleColor(LWCToolkit.KEYBOARD_FOCUS_COLOR));
}
 

import sun.lwawt.macosx.LWCToolkit; //导入依赖的package包/类
public static Color getSelectionInactiveBackgroundColorUIResource() {
    return new SystemColorProxy(LWCToolkit.getAppleColor(LWCToolkit.INACTIVE_SELECTION_BACKGROUND_COLOR));
}
 

import sun.lwawt.macosx.LWCToolkit; //导入依赖的package包/类
public static Color getSelectionInactiveForegroundColorUIResource() {
    return new SystemColorProxy(LWCToolkit.getAppleColor(LWCToolkit.INACTIVE_SELECTION_FOREGROUND_COLOR));
}