* Constructor. Sets PObject to Info.
* @param applet The <em>controller</em> object.
*/
public InfoButton( CalculatorApplet applet ){
this.applet = applet;
pobject = new Info();
shortcut = pobject.shortcut();
tooltip = pobject.tooltip();
setToolTipText();
int size = applet.minSize();
if( size < 3 ) size = 3;