swt之ToolBar详解

ToolBar一般用来做窗口的工具条，如下的效果：

、

实现java代码:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

@Test     public void testToolBar(){         Display display=new Display();         Shell topShell=new Shell(display,SWT.SHELL_TRIM|SWT.BORDER);         topShell.setText("testToolBar");         topShell.setSize(800, 500);         //不设置布局不显示         topShell.setLayout(new GridLayout());                   ToolBar toolBar=new ToolBar(topShell, SWT.NONE);         ToolItem toolItem=new ToolItem(toolBar, SWT.PUSH);         toolItem.setText("保存");         ToolItem toolItem2=new ToolItem(toolBar, SWT.PUSH);         toolItem2.setText("全部保存");         ToolItem toolItem3=new ToolItem(toolBar, SWT.PUSH);         toolItem3.setText("打印");                   Text contentText=new Text(topShell, SWT.MULTI|SWT.WRAP);         contentText.setLayoutData(new GridData(SWT.FILL, SWT.FILL,true, true));                                                 topShell.open();         while(!topShell.isDisposed()){             if (!display.readAndDispatch()) {                 display.sleep();             }         }         display.dispose();     }