Introducing Button and Button Styles : Button « SWT « Java Tutorial

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Java Tutorial » SWT » Button   17. 9. 1. Introducing Button and Button Styles SWT uses Button to represent checkboxes, toggle buttons, and radio buttons. You determine the type by the style constants. You may pass only one of SWT.LEFT, SWT.CENTER, or SWT.RIGHT. You may pass only one of SWT.ARROW, SWT.CHECK, SWT.PUSH, SWT.RADIO, or SWT.TOGGLE. If you pass SWT.ARROW, you may pass only one of SWT.UP, SWT.DOWN, SWT.LEFT, or SWT.RIGHT. Style Description SWT.ARROW Creates a push button that displays an arrow. SWT.CHECK Creates a checkbox. SWT.PUSH Creates a push button. SWT.RADIO Creates a radio button. SWT.TOGGLE Creates a push button that preserves its pushed or nonpushed state. SWT.FLAT Creates a push button that appears flat. SWT.UP When combined with SWT.ARROW, displays an upward-pointing arrow. SWT.DOWN When combined with SWT.ARROW, displays a downward-pointing arrow. SWT.CENTER Centers the associated text. SWT.LEFT Left-aligns the associated text. When combined with SWT.ARROW, displays a leftward-pointing arrow. SWT.RIGHT Right-aligns the associated text. When combined with SWT.ARROW, displays a rightward-pointing arrow. 17. 9. Button 17. 9. 1.  Introducing Button and Button Styles 17. 9. 2.  Push Button 17. 9. 3.  CheckBox Button 17. 9. 4.  Toggle Button 17. 9. 5.  RadioButton 17. 9. 6.  FlatButton 17. 9. 7.  ArrowButton 17. 9. 8.  Add Radio Buttons to a Group 17. 9. 9.  Select a Radio Button 17. 9. 10.  Setting Button selection 17. 9. 11.  Add Image to Button 17. 9. 12.  Add Radio Buttons to a Composite to form a group 17. 9. 13.  LEFT, RIGHT, CENTER: These three styles specify the text/image alignment in buttons. 17. 9. 14.  To get and set a button's text label 17. 9. 15.  You can include the mnemonic character in the text label. 17. 9. 16.  To escape the mnemonic character &, you can double it and a single '&' will be displayed. 17. 9. 17.  Set the alignment of the text/image label of a button