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41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
"""
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Dummy layout. Used when somebody creates an `Application` without specifying a
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`Layout`.
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"""
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from __future__ import annotations
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from prompt_toolkit.formatted_text import HTML
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from prompt_toolkit.key_binding import KeyBindings
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from prompt_toolkit.key_binding.key_processor import KeyPressEvent
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from .containers import Window
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from .controls import FormattedTextControl
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from .dimension import D
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from .layout import Layout
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__all__ = [
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"create_dummy_layout",
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]
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E = KeyPressEvent
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def create_dummy_layout() -> Layout:
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"""
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Create a dummy layout for use in an 'Application' that doesn't have a
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layout specified. When ENTER is pressed, the application quits.
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"""
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kb = KeyBindings()
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@kb.add("enter")
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def enter(event: E) -> None:
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event.app.exit()
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control = FormattedTextControl(
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HTML("No layout specified. Press <reverse>ENTER</reverse> to quit."),
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key_bindings=kb,
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)
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window = Window(content=control, height=D(min=1))
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return Layout(container=window, focused_element=window)
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