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Kovid Goyal
2021-09-09 12:59:31 +05:30
parent 2178c8e4af
commit f9c99a61d4
6 changed files with 257 additions and 17 deletions
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9
kittens/tui/loop.py
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@@ -68,20 +68,21 @@ debug = Debug()
class TermManager:
def __init__(self, optional_actions: int = termios.TCSANOW) -> None:
def __init__(self, optional_actions: int = termios.TCSANOW, use_alternate_screen: bool = True) -> None:
self.extra_finalize: Optional[str] = None
self.optional_actions = optional_actions
self.use_alternate_screen = use_alternate_screen
def set_state_for_loop(self, set_raw: bool = True) -> None:
if set_raw:
raw_tty(self.tty_fd, self.original_termios)
write_all(self.tty_fd, init_state())
write_all(self.tty_fd, init_state(self.use_alternate_screen))
def reset_state_to_original(self) -> None:
normal_tty(self.tty_fd, self.original_termios)
if self.extra_finalize:
write_all(self.tty_fd, self.extra_finalize)
write_all(self.tty_fd, reset_state())
write_all(self.tty_fd, reset_state(self.use_alternate_screen))
@contextmanager
def suspend(self) -> Generator['TermManager', None, None]:
@@ -409,7 +410,7 @@ class Loop:
handler.on_resize(handler.screen_size)
signal_manager = SignalManager(self.asycio_loop, _on_sigwinch, handler.on_interrupt, handler.on_term)
with TermManager(self.optional_actions) as term_manager, signal_manager:
with TermManager(self.optional_actions, handler.use_alternate_screen) as term_manager, signal_manager:
self._get_screen_size: ScreenSizeGetter = screen_size_function(term_manager.tty_fd)
image_manager = None
if handler.image_manager_class is not None: