griddata1.java

Eclipse从入门到精通源代码/第二篇 SWT_JFace篇(6-16章)

/**
 * @作者：陈刚
 * @Email：[e-mail]
 * @Blog：http://blog.csdn.net/glchengang
 */
package swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class GridData1 {
    public static void main(String[] args) {
        final Display display = Display.getDefault();
        final Shell shell = new Shell();
        shell.setSize(327, 253);
        shell.setText("SWT Application");
        //------------------新插入的界面核心代码------------------------

        shell.setLayout(new GridLayout(2, false));//2列且makeColumnsEqualWidth =
                                                  // false
        new Button(shell, SWT.NONE).setText("b1");
        new Button(shell, SWT.NONE).setText("button2");
        Button button = new Button(shell, SWT.NONE);
        GridData gridData = new GridData();//定义一个GridData对象
        gridData.horizontalSpan = 2;//让button抢占两个列的空间
        button.setLayoutData(gridData);
        button.setText("b3");
        new Button(shell, SWT.NONE).setText("button4");
        new Button(shell, SWT.NONE).setText("button5");

        //------------------END---------------------------------------------
        shell.layout();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
    }
}