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Use a pending update when drawing the screen

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This commit is contained in:
Kovid Goyal 2021-08-04 22:06:05 +05:30
parent 9b7899780b
commit 96326280e5
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GPG Key ID: 06BC317B515ACE7C
3 changed files with 22 additions and 8 deletions
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13
kittens/themes/main.py
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@ -278,12 +278,13 @@ class ThemesHandler(Handler):
self.on_browsing_key_event(key_event, in_bracketed_paste) self.on_browsing_key_event(key_event, in_bracketed_paste)
def draw_screen(self) -> None: def draw_screen(self) -> None:
self.cmd.clear_screen() with self.pending_update():
self.enforce_cursor_state() self.cmd.clear_screen()
if self.state is State.fetching: self.enforce_cursor_state()
self.draw_fetching_screen() if self.state is State.fetching:
elif self.state is State.browsing: self.draw_fetching_screen()
self.draw_browsing_screen() elif self.state is State.browsing:
self.draw_browsing_screen()
def on_resize(self, screen_size: ScreenSize) -> None: def on_resize(self, screen_size: ScreenSize) -> None:
self.screen_size = screen_size self.screen_size = screen_size

9
kittens/tui/handler.py
View File

@ -10,10 +10,12 @@ from typing import (
from kitty.types import ParsedShortcut from kitty.types import ParsedShortcut
from kitty.typing import ( from kitty.typing import (
AbstractEventLoop, BossType, Debug, ImageManagerType, KeyEventType, AbstractEventLoop, BossType, Debug, ImageManagerType, KeyActionType,
KeyActionType, LoopType, MouseEvent, ScreenSize, TermManagerType KeyEventType, LoopType, MouseEvent, ScreenSize, TermManagerType
) )
from .operations import pending_update
class Handler: class Handler:
@ -134,6 +136,9 @@ class Handler:
def suspend(self) -> ContextManager[TermManagerType]: def suspend(self) -> ContextManager[TermManagerType]:
return self._term_manager.suspend() return self._term_manager.suspend()
def pending_update(self) -> ContextManager[None]:
return pending_update(self.write)
class HandleResult: class HandleResult:

8
kittens/tui/operations.py
View File

@ -40,6 +40,7 @@ MODES = dict(
MOUSE_URXVT_MODE=(1015, '?'), MOUSE_URXVT_MODE=(1015, '?'),
ALTERNATE_SCREEN=(1049, '?'), ALTERNATE_SCREEN=(1049, '?'),
BRACKETED_PASTE=(2004, '?'), BRACKETED_PASTE=(2004, '?'),
PENDING_UPDATE=(2026, '?'),
) )
F = TypeVar('F') F = TypeVar('F')
@ -290,6 +291,13 @@ def reset_state(normal_screen: bool = True) -> str:
return ans return ans
@contextmanager
def pending_update(write: Callable[[str], None]) -> Generator[None, None, None]:
write(set_mode('PENDING_UPDATE'))
yield
write(reset_mode('PENDING_UPDATE'))
@contextmanager @contextmanager
def cursor(write: Callable[[str], None]) -> Generator[None, None, None]: def cursor(write: Callable[[str], None]) -> Generator[None, None, None]:
write(SAVE_CURSOR) write(SAVE_CURSOR)