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SWT Style Flag - which are applicable for a composite?

after googleing a bit im stuck in finding out which SWT. flags I can use for a composite. The reference here Ref does not give me any idea...e.g. the constructor details list NO_BACKGROUND, NO_FOCUS, NO_MERGE_PAINTS, NO_REDRAW_RESIZE, NO_开发者_StackOverflow中文版RADIO_GROUP, EMBEDDED, DOUBLE_BUFFERED but you can also pass SWT.BORDER, and it has an effect. Maybe someone can tell me where to find, or, what keywords I should google. I used "swt composite styles" but...;-(


You can see that you can use SWT.BORDER because Control provides it and Composite is a subclass of Control.

As far as I see you can use the following in addition to those given in the documentation to Composite:

  • from Scrollable:
    • SWT.H_SCROLL
    • SWT.V_SCROLL
  • from Control:
    • SWT.LEFT_TO_RIGHT
    • SWT.RIGHT_TO_LEFT
    • SWT.BORDER


More styles are used by the superclasses of Composite.

Here's what I found so far:

  • org.eclipse.swt.widgets.Control
    • SWT.BORDER
    • SWT.LEFT_TO_RIGHT
    • SWT.RIGHT_TO_LEFT
  • org.eclipse.swt.widgets.Scrollable
    • SWT.H_SCROLL
    • SWT.V_SCROLL
  • org.eclipse.swt.widgets.Composite
    • SWT.NO_BACKGROUND
    • SWT.NO_FOCUS
    • SWT.NO_MERGE_PAINTS
    • SWT.NO_REDRAW_RESIZE
    • SWT.NO_RADIO_GROUP
    • SWT.EMBEDDED
    • SWT.DOUBLE_BUFFERED

These are the styles mentioned in the javadoc for the constructors of the classes. Looking at the source code would show if there are more 'hidden' styles.


A composite can use two kind of style, one is its own, others is inherited from super class.

Composite

  • SWT.NO_BACKGROUND
  • SWT.NO_FOCUS
  • SWT.NO_REDRAW_RESIZE
  • SWT.NO_MERGE_PAINTS
  • SWT.NO_RADIO_GROUP
  • SWT.EMBEDDED
  • SWT.DOUBLE_BUFFERED
  • SWT.UP

And styles from superclass:

org.eclipse.swt.widgets.Scrollable

  • H_SCROLL
  • V_SCROLL

org.eclipse.swt.widgets.Control

  • SWT.BORDER,
  • SWT.LEFT_TO_RIGHT
  • SWT.RIGHT_TO_LEFT

org.eclipse.swt.widgets.Widget

  • SWT.NONE

The eclipse wiki has listed the style for composite as well as other widgets, you can refer to this document:https://wiki.eclipse.org/SWT_Widget_Style_Bits

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