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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:35:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:35:20 +0000 |
commit | e106bf94eff07d9a59771d9ccc4406421e18ab64 (patch) | |
tree | edb6545500e39df9c67aa918a6125bffc8ec1aee /src/prompt_toolkit/clipboard/in_memory.py | |
parent | Initial commit. (diff) | |
download | prompt-toolkit-0a3e0a12a3f6453f8e5b1cffb2f7e1e619420f44.tar.xz prompt-toolkit-0a3e0a12a3f6453f8e5b1cffb2f7e1e619420f44.zip |
Adding upstream version 3.0.36.upstream/3.0.36upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/prompt_toolkit/clipboard/in_memory.py')
-rw-r--r-- | src/prompt_toolkit/clipboard/in_memory.py | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/prompt_toolkit/clipboard/in_memory.py b/src/prompt_toolkit/clipboard/in_memory.py new file mode 100644 index 0000000..1902e36 --- /dev/null +++ b/src/prompt_toolkit/clipboard/in_memory.py @@ -0,0 +1,46 @@ +from collections import deque +from typing import Deque, Optional + +from .base import Clipboard, ClipboardData + +__all__ = [ + "InMemoryClipboard", +] + + +class InMemoryClipboard(Clipboard): + """ + Default clipboard implementation. + Just keep the data in memory. + + This implements a kill-ring, for Emacs mode. + """ + + def __init__( + self, data: Optional[ClipboardData] = None, max_size: int = 60 + ) -> None: + + assert max_size >= 1 + + self.max_size = max_size + self._ring: Deque[ClipboardData] = deque() + + if data is not None: + self.set_data(data) + + def set_data(self, data: ClipboardData) -> None: + self._ring.appendleft(data) + + while len(self._ring) > self.max_size: + self._ring.pop() + + def get_data(self) -> ClipboardData: + if self._ring: + return self._ring[0] + else: + return ClipboardData() + + def rotate(self) -> None: + if self._ring: + # Add the very first item at the end. + self._ring.append(self._ring.popleft()) |