108 lines
2.4 KiB
Python
108 lines
2.4 KiB
Python
"""
|
|
Clipboard for command line interface.
|
|
"""
|
|
from abc import ABCMeta, abstractmethod
|
|
from typing import Callable, Optional
|
|
|
|
from prompt_toolkit.selection import SelectionType
|
|
|
|
__all__ = [
|
|
"Clipboard",
|
|
"ClipboardData",
|
|
"DummyClipboard",
|
|
"DynamicClipboard",
|
|
]
|
|
|
|
|
|
class ClipboardData:
|
|
"""
|
|
Text on the clipboard.
|
|
|
|
:param text: string
|
|
:param type: :class:`~prompt_toolkit.selection.SelectionType`
|
|
"""
|
|
|
|
def __init__(
|
|
self, text: str = "", type: SelectionType = SelectionType.CHARACTERS
|
|
) -> None:
|
|
|
|
self.text = text
|
|
self.type = type
|
|
|
|
|
|
class Clipboard(metaclass=ABCMeta):
|
|
"""
|
|
Abstract baseclass for clipboards.
|
|
(An implementation can be in memory, it can share the X11 or Windows
|
|
keyboard, or can be persistent.)
|
|
"""
|
|
|
|
@abstractmethod
|
|
def set_data(self, data: ClipboardData) -> None:
|
|
"""
|
|
Set data to the clipboard.
|
|
|
|
:param data: :class:`~.ClipboardData` instance.
|
|
"""
|
|
|
|
def set_text(self, text: str) -> None: # Not abstract.
|
|
"""
|
|
Shortcut for setting plain text on clipboard.
|
|
"""
|
|
self.set_data(ClipboardData(text))
|
|
|
|
def rotate(self) -> None:
|
|
"""
|
|
For Emacs mode, rotate the kill ring.
|
|
"""
|
|
|
|
@abstractmethod
|
|
def get_data(self) -> ClipboardData:
|
|
"""
|
|
Return clipboard data.
|
|
"""
|
|
|
|
|
|
class DummyClipboard(Clipboard):
|
|
"""
|
|
Clipboard implementation that doesn't remember anything.
|
|
"""
|
|
|
|
def set_data(self, data: ClipboardData) -> None:
|
|
pass
|
|
|
|
def set_text(self, text: str) -> None:
|
|
pass
|
|
|
|
def rotate(self) -> None:
|
|
pass
|
|
|
|
def get_data(self) -> ClipboardData:
|
|
return ClipboardData()
|
|
|
|
|
|
class DynamicClipboard(Clipboard):
|
|
"""
|
|
Clipboard class that can dynamically returns any Clipboard.
|
|
|
|
:param get_clipboard: Callable that returns a :class:`.Clipboard` instance.
|
|
"""
|
|
|
|
def __init__(self, get_clipboard: Callable[[], Optional[Clipboard]]) -> None:
|
|
self.get_clipboard = get_clipboard
|
|
|
|
def _clipboard(self) -> Clipboard:
|
|
return self.get_clipboard() or DummyClipboard()
|
|
|
|
def set_data(self, data: ClipboardData) -> None:
|
|
self._clipboard().set_data(data)
|
|
|
|
def set_text(self, text: str) -> None:
|
|
self._clipboard().set_text(text)
|
|
|
|
def rotate(self) -> None:
|
|
self._clipboard().rotate()
|
|
|
|
def get_data(self) -> ClipboardData:
|
|
return self._clipboard().get_data()
|