TreeSelectionDialog.java 文件源码

private void updateCompositeLayout(Composite composite) {
    Layout l = composite.getLayout();
    if (l instanceof GridLayout) {
        GridLayout layout = (GridLayout) l;
        layout.marginHeight = convertVerticalDLUsToPixels(getDefaultMargins());
        layout.marginWidth = convertHorizontalDLUsToPixels(getDefaultMargins());
        layout.verticalSpacing = convertVerticalDLUsToPixels(getDefaultSpacing());
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(getDefaultSpacing());
        composite.setLayout(layout);
    }
    for (Control t : composite.getChildren()) {
        if (t instanceof Composite) {
            updateCompositeLayout((Composite) t);
        }
    }
}