java SWT /JFace 窗口 剧中

package com.ruifeng.swt.core;import org.eclipse.swt.graphics.Point;import org.eclipse.swt.graphics.Rectangle;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.Shell;/** * 布局UTIL *  * @author lpdx111 *  */public class LayoutUtil {/** * Shell 布局，居中 *  * @param display * @param shell */public static void centerShell(Display display, Shell shell) {Rectangle displayBounds = display.getPrimaryMonitor().getBounds();Rectangle shellBounds = shell.getBounds();int x = displayBounds.x + (displayBounds.width - shellBounds.width) >> 1;int y = displayBounds.y + (displayBounds.height - shellBounds.height) >> 1;shell.setLocation(x, y);}public static void centerShell(Shell shell) {Rectangle displayBounds = shell.getDisplay().getPrimaryMonitor().getBounds();Rectangle shellBounds = shell.getBounds();int x = displayBounds.x + (displayBounds.width - shellBounds.width) >> 1;int y = displayBounds.y + (displayBounds.height - shellBounds.height) >> 1;shell.setLocation(x, y);}/** * jface dialog 根据窗口大小，获得居中的Point *  * @param initialSize * @return */public static Point getLocation(Point initialSize) {Rectangle displayBounds = Display.getCurrent().getPrimaryMonitor().getBounds();int x = displayBounds.x + (displayBounds.width - initialSize.x) >> 1;int y = displayBounds.y + (displayBounds.height - initialSize.y) >> 1;return new Point(x, y);}}