154 lines
4.7 KiB
Python
154 lines
4.7 KiB
Python
#!/usr/bin/env python3
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
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from typing import (
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TYPE_CHECKING, Any, Callable, ContextManager, Dict, Optional, Sequence, Type,
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Union
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)
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if TYPE_CHECKING:
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from kitty.utils import ScreenSize
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from .loop import TermManager, Loop, Debug, MouseEvent
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from .images import ImageManager
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from kitty.config import KeyAction
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from kitty.boss import Boss
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from kitty.key_encoding import KeyEvent
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from types import TracebackType
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ScreenSize, TermManager, Loop, Debug, KeyAction, KeyEvent, MouseEvent, TracebackType, Boss, ImageManager
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import asyncio
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class Handler:
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image_manager_class: Optional[Type['ImageManager']] = None
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def _initialize(
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self,
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screen_size: 'ScreenSize',
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term_manager: 'TermManager',
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schedule_write: Callable[[bytes], None],
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tui_loop: 'Loop',
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debug: 'Debug',
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image_manager: Optional['ImageManager'] = None
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) -> None:
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from .operations import commander
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self.screen_size = screen_size
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self._term_manager = term_manager
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self._tui_loop = tui_loop
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self._schedule_write = schedule_write
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self.debug = debug
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self.cmd = commander(self)
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self._image_manager = image_manager
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@property
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def image_manager(self) -> 'ImageManager':
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assert self._image_manager is not None
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return self._image_manager
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@property
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def asyncio_loop(self) -> 'asyncio.AbstractEventLoop':
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return self._tui_loop.asycio_loop
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def add_shortcut(self, action: 'KeyAction', key: str, mods: Optional[int] = None, is_text: Optional[bool] = False) -> None:
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if not hasattr(self, '_text_shortcuts'):
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self._text_shortcuts, self._key_shortcuts = {}, {}
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if is_text:
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self._text_shortcuts[key] = action
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else:
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self._key_shortcuts[(key, mods or 0)] = action
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def shortcut_action(self, key_event_or_text: Union[str, 'KeyEvent']) -> Optional['KeyAction']:
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if isinstance(key_event_or_text, str):
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return self._text_shortcuts.get(key_event_or_text)
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return self._key_shortcuts.get((key_event_or_text.key, key_event_or_text.mods))
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def __enter__(self) -> None:
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if self._image_manager is not None:
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self._image_manager.__enter__()
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self.debug.fobj = self
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self.initialize()
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def __exit__(self, etype: type, value: Exception, tb: 'TracebackType') -> None:
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del self.debug.fobj
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self.finalize()
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if self._image_manager is not None:
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self._image_manager.__exit__(etype, value, tb)
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def initialize(self) -> None:
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pass
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def finalize(self) -> None:
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pass
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def on_resize(self, screen_size: 'ScreenSize') -> None:
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self.screen_size = screen_size
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def quit_loop(self, return_code: Optional[int] = None) -> None:
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self._tui_loop.quit(return_code)
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def on_term(self) -> None:
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self._tui_loop.quit(1)
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def on_text(self, text: str, in_bracketed_paste: bool = False) -> None:
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pass
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def on_key(self, key_event: 'KeyEvent') -> None:
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pass
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def on_mouse(self, mouse_event: 'MouseEvent') -> None:
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pass
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def on_interrupt(self) -> None:
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pass
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def on_eot(self) -> None:
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pass
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def on_kitty_cmd_response(self, response: Dict) -> None:
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pass
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def on_clipboard_response(self, text: str, from_primary: bool = False) -> None:
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pass
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def on_capability_response(self, name: str, val: str) -> None:
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pass
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def write(self, data: Union[bytes, str]) -> None:
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if isinstance(data, str):
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data = data.encode('utf-8')
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self._schedule_write(data)
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def flush(self) -> None:
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pass
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def print(self, *args: object, sep: str = ' ', end: str = '\r\n') -> None:
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data = sep.join(map(str, args)) + end
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self.write(data)
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def suspend(self) -> ContextManager['TermManager']:
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return self._term_manager.suspend()
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class HandleResult:
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type_of_input: Optional[str] = None
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no_ui: bool = False
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def __init__(self, impl: Callable, type_of_input: Optional[str], no_ui: bool):
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self.impl = impl
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self.no_ui = no_ui
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self.type_of_input = type_of_input
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def __call__(self, args: Sequence[str], data: Dict, target_window_id: int, boss: 'Boss') -> Any:
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return self.impl(args, data, target_window_id, boss)
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def result_handler(type_of_input: Optional[str] = None, no_ui: bool = False) -> Callable[[Callable], HandleResult]:
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def wrapper(impl: Callable) -> HandleResult:
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return HandleResult(impl, type_of_input, no_ui)
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return wrapper
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