Bug 73027 [Dialogs] Buttons are too high
I20040831 Buttons are no longer oval but have a rounded rectangle shape (see first screenshot). The second screenshot shows how buttons using the small system font should look like.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/ColorFieldEditor.java
colorSelector.addListener(new IPropertyChangeListener() {
				
				public void propertyChange(PropertyChangeEvent event) {
					ColorFieldEditor.this.fireValueChanged(event.getProperty(),
							event.getOldValue(), event.getNewValue());
					setPresentsDefaultValue(false);
				}
			});
		} else {
			checkParent(colorSelector.getButton(), parent);
		}
		return colorSelector.getButton();
	}
	/*
	 * (non-Javadoc) Method declared on FieldEditor.
	 */
	public int getNumberOfControls() {
		return 2;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.preference.FieldEditor#setEnabled(boolean,
	 *      org.eclipse.swt.widgets.Composite)
	 */
	public void setEnabled(boolean enabled, Composite parent) {
		super.setEnabled(enabled, parent);
		getChangeControl(parent).setEnabled(enabled);
	}
}