def _command_runner(self, *args):
if args[0] == 'moveto':
moveto, fraction = args
fraction = from_tcl(float, fraction)
self.config['command'].run('moveto', fraction)
elif args[0] == 'scroll' and args[-1] in ('units', 'pages'):
scroll, number, units_or_pages = args
number = from_tcl(int, number)
self.config['command'].run('scroll', number, units_or_pages)
else: # pragma: no cover
raise ValueError("ttk::scrollbar's command ran with unexpected "
"arguments: " + repr(args))
def _callback_runner(self, callback, *args):
assert len(args) == len(_BIND_SUBS)
event = Event()
for (character, type_, attrib), string_value in zip(_BIND_SUBS, args):
assert isinstance(string_value, str)
try:
value = from_tcl(type_, string_value)
except (ValueError, teek.TclError) as e:
if string_value == '??':
value = None
elif attrib == 'sendevent':
# this seems to be a bug in Tk, here's a minimal example:
#
# label .lab -text "click this to do the bug"
# pack .lab
# bind .lab <Leave> { puts "leave: %E" }
# bind .lab <Button-1> { tk_messageBox }
#
# for me this prints "leave: 343089580", even though
# bind(3tk) says that %E is 1 or 0
value = None
else: # pragma: no cover
raise e # if this runs, there's a bug in teek
setattr(event, attrib, value)
return callback.run(event)
def data(self, type_spec):
return from_tcl(type_spec, self._data)