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57 lines
2.7 KiB
57 lines
2.7 KiB
2 years ago
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from typing import Iterable, Sequence, Tuple, cast
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from rich._win32_console import LegacyWindowsTerm, WindowsCoordinates
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from rich.segment import ControlCode, ControlType, Segment
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def legacy_windows_render(buffer: Iterable[Segment], term: LegacyWindowsTerm) -> None:
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"""Makes appropriate Windows Console API calls based on the segments in the buffer.
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Args:
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buffer (Iterable[Segment]): Iterable of Segments to convert to Win32 API calls.
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term (LegacyWindowsTerm): Used to call the Windows Console API.
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"""
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for text, style, control in buffer:
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if not control:
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if style:
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term.write_styled(text, style)
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else:
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term.write_text(text)
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else:
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control_codes: Sequence[ControlCode] = control
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for control_code in control_codes:
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control_type = control_code[0]
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if control_type == ControlType.CURSOR_MOVE_TO:
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_, x, y = cast(Tuple[ControlType, int, int], control_code)
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term.move_cursor_to(WindowsCoordinates(row=y - 1, col=x - 1))
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elif control_type == ControlType.CARRIAGE_RETURN:
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term.write_text("\r")
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elif control_type == ControlType.HOME:
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term.move_cursor_to(WindowsCoordinates(0, 0))
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elif control_type == ControlType.CURSOR_UP:
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term.move_cursor_up()
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elif control_type == ControlType.CURSOR_DOWN:
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term.move_cursor_down()
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elif control_type == ControlType.CURSOR_FORWARD:
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term.move_cursor_forward()
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elif control_type == ControlType.CURSOR_BACKWARD:
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term.move_cursor_backward()
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elif control_type == ControlType.CURSOR_MOVE_TO_COLUMN:
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_, column = cast(Tuple[ControlType, int], control_code)
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term.move_cursor_to_column(column - 1)
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elif control_type == ControlType.HIDE_CURSOR:
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term.hide_cursor()
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elif control_type == ControlType.SHOW_CURSOR:
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term.show_cursor()
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elif control_type == ControlType.ERASE_IN_LINE:
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_, mode = cast(Tuple[ControlType, int], control_code)
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if mode == 0:
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term.erase_end_of_line()
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elif mode == 1:
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term.erase_start_of_line()
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elif mode == 2:
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term.erase_line()
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elif control_type == ControlType.SET_WINDOW_TITLE:
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_, title = cast(Tuple[ControlType, str], control_code)
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term.set_title(title)
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