int (String text) { final int mnemonicIndex = myPresentation.getDisplayedMnemonicIndex(); if (mnemonicIndex != -1) { return mnemonicIndex; } final ShortcutSet shortcutSet = myAction.getShortcutSet(); final Shortcut[] shortcuts = shortcutSet.getShortcuts(); for (Shortcut shortcut : shortcuts) { if (!(shortcut instanceof KeyboardShortcut keyboardShortcut)) continue; if (keyboardShortcut.getSecondKeyStroke() == null) { // we are interested only in "mnemonic-like" shortcuts final KeyStroke keyStroke = keyboardShortcut.getFirstKeyStroke(); final int modifiers = keyStroke.getModifiers(); if (BitUtil.isSet(modifiers, InputEvent.ALT_MASK)) { return (keyStroke.getKeyChar() != KeyEvent.CHAR_UNDEFINED) ? text.indexOf(keyStroke.getKeyChar()) : text.indexOf(KeyEvent.getKeyText(keyStroke.getKeyCode())); } } } return -1; }