Function get_accelerator

Lib/idlelib/editor.py:1645–1685

Return a formatted string for the keybinding of an event. Convert the first keybinding for a given event to a form that can be displayed as an accelerator on the menu. Args: keydefs: Dictionary of valid events to keybindings. eventname: Event to retrieve keybinding for.

(keydefs, eventname)

}

def get_accelerator(keydefs, eventname):
    """Return a formatted string for the keybinding of an event.

    Convert the first keybinding for a given event to a form that
    can be displayed as an accelerator on the menu.

    Args:
        keydefs: Dictionary of valid events to keybindings.
        eventname: Event to retrieve keybinding for.

    Returns:
        Formatted string of the keybinding.
    """
    keylist = keydefs.get(eventname)
    # issue10940: temporary workaround to prevent hang with OS X Cocoa Tk 8.5
    # if not keylist:
    if (not keylist) or (macosx.isCocoaTk() and eventname in {
                            "<<open-module>>",
                            "<<goto-line>>",
                            "<<change-indentwidth>>"}):
        return ""
    s = keylist[0]
    # Convert strings of the form -singlelowercase to -singleuppercase.
    s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s)
    # Convert certain keynames to their symbol.
    s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s)
    # Remove Key- from string.
    s = re.sub("Key-", "", s)
    # Convert Cancel to Ctrl-Break.
    s = re.sub("Cancel", "Ctrl-Break", s)   # dscherer@cmu.edu
    # Convert Control to Ctrl-.
    s = re.sub("Control-", "Ctrl-", s)
    # Change - to +.
    s = re.sub("-", "+", s)
    # Change >< to space.
    s = re.sub("><", " ", s)
    # Remove <.
    s = re.sub("<", "", s)
    # Remove >.
    s = re.sub(">", "", s)
    return s


def fixwordbreaks(root):