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| author | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:24:06 +0300 |
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| committer | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:41:34 +0300 |
| commit | e0e3e1717e3d33762ce61950504f9637a6e669ed (patch) | |
| tree | bca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/python/prompt-toolkit/py3/prompt_toolkit/key_binding/emacs_state.py | |
| parent | 38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff) | |
| download | ydb-e0e3e1717e3d33762ce61950504f9637a6e669ed.tar.gz | |
add ydb deps
Diffstat (limited to 'contrib/python/prompt-toolkit/py3/prompt_toolkit/key_binding/emacs_state.py')
| -rw-r--r-- | contrib/python/prompt-toolkit/py3/prompt_toolkit/key_binding/emacs_state.py | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/contrib/python/prompt-toolkit/py3/prompt_toolkit/key_binding/emacs_state.py b/contrib/python/prompt-toolkit/py3/prompt_toolkit/key_binding/emacs_state.py new file mode 100644 index 0000000000..6a2ebf46d8 --- /dev/null +++ b/contrib/python/prompt-toolkit/py3/prompt_toolkit/key_binding/emacs_state.py @@ -0,0 +1,36 @@ +from __future__ import annotations + +from .key_processor import KeyPress + +__all__ = [ + "EmacsState", +] + + +class EmacsState: + """ + Mutable class to hold Emacs specific state. + """ + + def __init__(self) -> None: + # Simple macro recording. (Like Readline does.) + # (For Emacs mode.) + self.macro: list[KeyPress] | None = [] + self.current_recording: list[KeyPress] | None = None + + def reset(self) -> None: + self.current_recording = None + + @property + def is_recording(self) -> bool: + "Tell whether we are recording a macro." + return self.current_recording is not None + + def start_macro(self) -> None: + "Start recording macro." + self.current_recording = [] + + def end_macro(self) -> None: + "End recording macro." + self.macro = self.current_recording + self.current_recording = None |