Files
kovidgoyal-kitty/kitty/clipboard.py
Kovid Goyal dd4a65e0c9 ...
2022-09-09 15:41:45 +05:30

122 lines
3.9 KiB
Python

#!/usr/bin/env python
# License: GPLv3 Copyright: 2022, Kovid Goyal <kovid at kovidgoyal.net>
import io
from typing import IO, Callable, Dict, List, Tuple, Union
from .conf.utils import uniq
from .constants import supports_primary_selection
from .fast_data_types import (
GLFW_CLIPBOARD, GLFW_PRIMARY_SELECTION, get_boss, get_clipboard_mime,
set_clipboard_data_types
)
DataType = Union[bytes, 'IO[bytes]']
class Clipboard:
def __init__(self, clipboard_type: int = GLFW_CLIPBOARD) -> None:
self.data: Dict[str, DataType] = {}
self.clipboard_type = clipboard_type
self.enabled = self.clipboard_type == GLFW_CLIPBOARD or supports_primary_selection
def set_text(self, x: Union[str, bytes]) -> None:
if isinstance(x, str):
x = x.encode('utf-8')
self.set_mime({'text/plain': x})
def set_mime(self, data: Dict[str, DataType]) -> None:
if self.enabled and isinstance(data, dict):
self.data = data
set_clipboard_data_types(self.clipboard_type, tuple(self.data))
def get_text(self) -> str:
parts: List[bytes] = []
self.get_mime("text/plain", parts.append)
return b''.join(parts).decode('utf-8', 'replace')
def get_mime(self, mime: str, output: Callable[[bytes], None]) -> None:
if self.enabled:
try:
get_clipboard_mime(self.clipboard_type, mime, output)
except RuntimeError as err:
if str(err) != 'is_self_offer':
raise
data = self.data.get(mime, b'')
if isinstance(data, bytes):
output(data)
else:
data.seek(0, 0)
q = b' '
while q:
q = data.read(io.DEFAULT_BUFFER_SIZE)
output(q)
def get_mime_data(self, mime: str) -> bytes:
ans: List[bytes] = []
self.get_mime(mime, ans.append)
return b''.join(ans)
def get_available_mime_types_for_paste(self) -> Tuple[str, ...]:
if self.enabled:
parts: List[bytes] = []
try:
get_clipboard_mime(self.clipboard_type, None, parts.append)
except RuntimeError as err:
if str(err) != 'is_self_offer':
raise
return tuple(self.data)
return tuple(x.decode('utf-8', 'replace') for x in uniq(parts))
return ()
def __call__(self, mime: str) -> Callable[[], bytes]:
data = self.data.get(mime, b'')
if isinstance(data, str): # type: ignore
data = data.encode('utf-8') # type: ignore
if isinstance(data, bytes):
def chunker() -> bytes:
nonlocal data
assert isinstance(data, bytes)
ans = data
data = b''
return ans
return chunker
data.seek(0, 0)
def io_chunker() -> bytes:
assert not isinstance(data, bytes)
return data.read(io.DEFAULT_BUFFER_SIZE)
return io_chunker
def set_clipboard_string(x: Union[str, bytes]) -> None:
get_boss().clipboard.set_text(x)
def get_clipboard_string() -> str:
return get_boss().clipboard.get_text()
def set_primary_selection(x: Union[str, bytes]) -> None:
get_boss().primary_selection.set_text(x)
def get_primary_selection() -> str:
return get_boss().primary_selection.get_text()
def develop() -> Tuple[Clipboard, Clipboard]:
from .constants import is_macos, detect_if_wayland_ok
from .fast_data_types import set_boss
from .main import init_glfw_module
glfw_module = 'cocoa' if is_macos else ('wayland' if detect_if_wayland_ok() else 'x11')
class Boss:
clipboard = Clipboard()
primary_selection = Clipboard(GLFW_PRIMARY_SELECTION)
init_glfw_module(glfw_module)
set_boss(Boss()) # type: ignore
return Boss.clipboard, Boss.primary_selection