diff options
Diffstat (limited to 'src/keyboard.py')
| -rwxr-xr-x | src/keyboard.py | 76 |
1 files changed, 8 insertions, 68 deletions
diff --git a/src/keyboard.py b/src/keyboard.py index f88a030c..3a8f3537 100755 --- a/src/keyboard.py +++ b/src/keyboard.py @@ -42,59 +42,7 @@ def get_next_byte(s): return (None, c) return (ord(c), c.encode('latin-1')) # returns a number and a bytes object -def get_char_list_old(s): - """ - Kept for compatibility for python versions without get_wchar() - (introduced in 3.3) Read one or more bytes, concatenate them to create a - unicode char. Also treat special bytes to create special chars (like - control, alt, etc), returns one or more utf-8 chars - - see http://en.wikipedia.org/wiki/UTF-8#Description - """ - ret_list = [] - # The list of all chars. For example if you paste a text, the list the chars pasted - # so that they can be handled at once. - (first, char) = get_next_byte(s) - while first is not None or char is not None: - if not isinstance(first, int): # Keyboard special, like KEY_HOME etc - return [char] - if first == 127 or first == 8: - ret_list.append("KEY_BACKSPACE") - break - s.timeout(0) # we are now getting the missing utf-8 bytes to get a whole char - if first < 127: # ASCII char on one byte - if first <= 26: # transform Ctrl+* keys - char = chr(first + 64) - ret_list.append("^"+char) - (first, char) = get_next_byte(s) - continue - if first == 27: - second = get_char_list_old(s) - if not second: # if escape was pressed, a second char - # has to be read. But it timed out. - return [] - res = 'M-%s' % (second[0],) - ret_list.append(res) - (first, char) = get_next_byte(s) - continue - if 194 <= first: - (code, c) = get_next_byte(s) # 2 bytes char - char += c - if 224 <= first: - (code, c) = get_next_byte(s) # 3 bytes char - char += c - if 240 <= first: - (code, c) = get_next_byte(s) # 4 bytes char - char += c - try: - ret_list.append(char.decode('utf-8')) # return all the concatened byte objets, decoded - except UnicodeDecodeError: - return None - # s.timeout(1) # timeout to detect a paste of many chars - (first, char) = get_next_byte(s) - return ret_list - -def get_char_list_new(s): +def get_char_list(s): ret_list = [] while True: try: @@ -105,6 +53,9 @@ def get_char_list_new(s): except ValueError: # invalid input log.debug('Invalid character entered.') return ret_list + # Set to non-blocking. We try to read more bytes. If there are no + # more data to read, it will immediately timeout and return with the + # data we have so far s.timeout(0) if isinstance(key, int): ret_list.append(curses.keyname(key).decode()) @@ -141,7 +92,6 @@ def get_char_list_new(s): class Keyboard(object): def __init__(self): - self.get_char_list = get_char_list_new self.escape = False def escape_next_key(self): @@ -153,7 +103,7 @@ class Keyboard(object): """ self.escape = True - def get_user_input(self, s, timeout=1000): + def get_user_input(self, s): """ Returns a list of all the available characters to read (for example it may contain a whole text if there’s some lag, or the user pasted text, @@ -162,19 +112,9 @@ class Keyboard(object): blocking, we need to get out of it every now and then even if nothing was entered). """ - s.timeout(timeout) # The timeout for timed events to be checked every second - try: - ret_list = self.get_char_list(s) - except AttributeError: - # caught if screen.get_wch() does not exist. In that case we use the - # old version, so this exception is caught only once. No efficiency - # issue here. - log.debug("get_wch() missing, switching to old keyboard method") - self.get_char_list = get_char_list_old - ret_list = self.get_char_list(s) - if not ret_list: - # nothing at all was read, that’s a timed event timeout - return None + # Disable the timeout + s.timeout(-1) + ret_list = get_char_list(s) if len(ret_list) != 1: if ret_list[-1] == '^M': ret_list.pop(-1) |