def _interact(self):
old_handler = register_onresize(self._onresize)
try:
for ch in term.wait_for_keypresses(0.5):
if not ch:
# Signal handler could have invalidated interactive mode
# of the widget -- in which case we need to stop rendering
if not self._interactive:
break
else:
continue
uch = ch.name if ch.is_sequence else ch.upper()
if self._jump_string is None:
if uch == "Q" or uch == "KEY_ESCAPE": break
if uch in DataFrameWidget._MOVES:
DataFrameWidget._MOVES[uch](self)
else:
if uch in {"Q", "KEY_ESCAPE", "KEY_ENTER"}:
self._jump_string = None
self._draw()
elif uch == "KEY_DELETE" or uch == "KEY_BACKSPACE":
self._jump_to(self._jump_string[:-1])
elif uch in "0123456789:":
self._jump_to(self._jump_string + uch)
except KeyboardInterrupt:
pass
register_onresize(old_handler)
# Clear the interactive prompt
if self._show_navbar:
term.clear_line(end="\n")
def render(self):
self.draw()
if not self._interactive:
return
old_handler = register_onresize(self._onresize)
try:
for ch in datatable.utils.terminal.wait_for_keypresses(0.5):
if not ch:
# Signal handler could have invalidated interactive mode
# of the widget -- in which case we need to stop rendering
if not self._interactive:
break
else:
continue
uch = ch.name if ch.is_sequence else ch.upper()
if self._jump_string is None:
if uch == "Q" or uch == "KEY_ESCAPE": break
if uch in DataFrameWidget._MOVES:
DataFrameWidget._MOVES[uch](self)
else:
if uch in {"Q", "KEY_ESCAPE", "KEY_ENTER"}:
self._jump_string = None
self.draw()
elif uch == "KEY_DELETE" or uch == "KEY_BACKSPACE":
self._jump_to(self._jump_string[:-1])
elif uch in "0123456789:":
self._jump_to(self._jump_string + uch)
except KeyboardInterrupt:
pass
register_onresize(old_handler)
print(term.move_x(0) + term.clear_eol)