/**
* Adds human readable shortcuts to the specified string.
*
* @param str text of tooltip
* @param sc shortcut
* @return tooltip
*/
public static String addShortcut(final String str, final String sc) {
if (sc == null || str == null) return str;
final StringBuilder sb = new StringBuilder();
for (final String s : sc.split(" ")) {
String t = "%".equals(s) ? Prop.MAC ? "meta" : "control" : s;
if (t.length() != 1) t = Toolkit.getProperty("AWT." + t.toLowerCase(Locale.ENGLISH), t);
sb.append('+').append(t);
}
return str + " (" + sb.substring(1) + ')';
}
/**
* Sets a mnemomic for the specified button.
*
* @param b button
* @param mnem mnemonics that have already been assigned
*/
public static void setMnemonic(final AbstractButton b, final StringBuilder mnem) {
// do not set mnemonics for Mac! Alt+key used for special characters.
if (Prop.MAC) return;
// find and assign unused mnemomic
final String label = b.getText();
final int ll = label.length();
for (int l = 0; l < ll; l++) {
final char ch = Character.toLowerCase(label.charAt(l));
if (!letter(ch) || mnem.indexOf(Character.toString(ch)) != -1) continue;
b.setMnemonic(ch);
mnem.append(ch);
break;
}
}