@Nullable
public static KeyStroke getKeyStroke(@NotNull final ShortcutSet shortcutSet) {
final Shortcut[] shortcuts = shortcutSet.getShortcuts();
if (shortcuts.length == 0 || !(shortcuts[0] instanceof KeyboardShortcut)) return null;
final KeyboardShortcut shortcut = (KeyboardShortcut) shortcuts[0];
if (shortcut.getSecondKeyStroke() != null) {
return null;
}
return shortcut.getFirstKeyStroke();
}
private void init() {
setVisible(myPresentation.isVisible());
setEnabled(myPresentation.isEnabled());
setMnemonic(myEnableMnemonics ? myPresentation.getMnemonic() : 0);
setText(myPresentation.getText());
final int mnemonicIndex = myEnableMnemonics ? myPresentation.getDisplayedMnemonicIndex() : -1;
if (getText() != null && mnemonicIndex >= 0 && mnemonicIndex < getText().length()) {
setDisplayedMnemonicIndex(mnemonicIndex);
}
AnAction action = myAction.getAction();
updateIcon(action);
String id = ActionManager.getInstance().getId(action);
if (id != null) {
setAcceleratorFromShortcuts(KeymapManager.getInstance().getActiveKeymap().getShortcuts(id));
} else {
final ShortcutSet shortcutSet = action.getShortcutSet();
if (shortcutSet != null) {
setAcceleratorFromShortcuts(shortcutSet.getShortcuts());
}
}
}
private int getMnemonicCharIndex(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)) continue;
KeyboardShortcut keyboardShortcut = (KeyboardShortcut) shortcut;
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;
}