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"""
Classes used to replace the input in some tabs or special situations,
but which are not inputs.
"""
import logging
log = logging.getLogger(__name__)
from . import Win
from theming import get_theme, to_curses_attr
class HelpText(Win):
"""
A Window just displaying a read-only message.
Usually used to replace an Input when the tab is in
command mode.
"""
def __init__(self, text=''):
Win.__init__(self)
self.txt = text
def refresh(self, txt=None):
log.debug('Refresh: %s', self.__class__.__name__)
if txt:
self.txt = txt
self._win.erase()
self.addstr(0, 0, self.txt[:self.width-1], to_curses_attr(get_theme().COLOR_INFORMATION_BAR))
self.finish_line(get_theme().COLOR_INFORMATION_BAR)
self._refresh()
def do_command(self, key, raw=False):
return False
class YesNoInput(Win):
"""
A Window just displaying a Yes/No input
Used to ask a confirmation
"""
def __init__(self, text=''):
Win.__init__(self)
self.key_func = {
'y' : self.on_yes,
'n' : self.on_no,
}
self.txt = text
self.value = None
def on_yes(self):
self.value = True
def on_no(self):
self.value = False
def refresh(self, txt=None):
log.debug('Refresh: %s', self.__class__.__name__)
if txt:
self.txt = txt
self._win.erase()
self.addstr(0, 0, self.txt[:self.width-1], to_curses_attr(get_theme().COLOR_WARNING_PROMPT))
self.finish_line(get_theme().COLOR_WARNING_PROMPT)
self._refresh()
def do_command(self, key, raw=False):
if key.lower() in self.key_func:
self.key_func[key]()
def prompt(self):
"""Monopolizes the input while waiting for a recognized keypress"""
def cb(key):
if key in self.key_func:
self.key_func[key]()
if self.value is None:
# We didn’t finish with this prompt, continue monopolizing
# it again until value is set
keyboard.continuation_keys_callback = cb
keyboard.continuation_keys_callback = cb
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