SWT制作下拉式ToolBar菜单代码Java认证考试
文章作者 100test 发表时间 2009:04:10 01:55:59
来源 100Test.Com百考试题网
百考试题编辑整理:SWT制作下拉式ToolBar菜单代码
SWT制作下拉式toolbar菜单按钮的代码片段:
final ToolItem 0dropdown = new ToolItem(bar, SWT.DROP_DOWN).
0dropdown.setText("Drop-down").
//一个popoupMenu
final Menu menu = new Menu(shell, SWT.POP_UP).
MenuItem choice = new MenuItem(menu, SWT.PUSH).
choice.setText("Choices").
0dropdown.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
if (event.detail == SWT.ARROW) {
Rectangle rect = 0dropdown.getBounds().
Point pt = new Point(rect.x, rect.y rect.height).
pt = bar.toDisplay(pt).
menu.setLocation(pt.x, pt.y).
menu.setVisible(true).
}
}
}).