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#!/usr/bin/env python
"""
A simple example of a scrollable pane.
"""
from prompt_toolkit.application import Application
from prompt_toolkit.application.current import get_app
from prompt_toolkit.key_binding import KeyBindings
from prompt_toolkit.key_binding.bindings.focus import focus_next, focus_previous
from prompt_toolkit.layout import Dimension, HSplit, Layout, ScrollablePane
from prompt_toolkit.widgets import Frame, TextArea
def main():
# Create a big layout of many text areas, then wrap them in a `ScrollablePane`.
root_container = Frame(
ScrollablePane(
HSplit(
[
Frame(TextArea(text=f"label-{i}"), width=Dimension())
for i in range(20)
]
)
)
# ScrollablePane(HSplit([TextArea(text=f"label-{i}") for i in range(20)]))
)
layout = Layout(container=root_container)
# Key bindings.
kb = KeyBindings()
@kb.add("c-c")
def exit(event) -> None:
get_app().exit()
kb.add("tab")(focus_next)
kb.add("s-tab")(focus_previous)
# Create and run application.
application = Application(layout=layout, key_bindings=kb, full_screen=True)
application.run()
if __name__ == "__main__":
main()
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