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#!/usr/bin/env python
"""
An example of a BufferControl in a full screen layout that offers auto
completion.
Important is to make sure that there is a `CompletionsMenu` in the layout,
otherwise the completions won't be visible.
"""
from prompt_toolkit.application import Application
from prompt_toolkit.buffer import Buffer
from prompt_toolkit.completion import WordCompleter
from prompt_toolkit.key_binding import KeyBindings
from prompt_toolkit.layout.containers import Float, FloatContainer, HSplit, Window
from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl
from prompt_toolkit.layout.layout import Layout
from prompt_toolkit.layout.menus import CompletionsMenu
# The completer.
animal_completer = WordCompleter(
[
"alligator",
"ant",
"ape",
"bat",
"bear",
"beaver",
"bee",
"bison",
"butterfly",
"cat",
"chicken",
"crocodile",
"dinosaur",
"dog",
"dolphin",
"dove",
"duck",
"eagle",
"elephant",
"fish",
"goat",
"gorilla",
"kangaroo",
"leopard",
"lion",
"mouse",
"rabbit",
"rat",
"snake",
"spider",
"turkey",
"turtle",
],
ignore_case=True,
)
# The layout
buff = Buffer(completer=animal_completer, complete_while_typing=True)
body = FloatContainer(
content=HSplit(
[
Window(
FormattedTextControl('Press "q" to quit.'), height=1, style="reverse"
),
Window(BufferControl(buffer=buff)),
]
),
floats=[
Float(
xcursor=True,
ycursor=True,
content=CompletionsMenu(max_height=16, scroll_offset=1),
)
],
)
# Key bindings
kb = KeyBindings()
@kb.add("q")
@kb.add("c-c")
def _(event):
"Quit application."
event.app.exit()
# The `Application`
application = Application(layout=Layout(body), key_bindings=kb, full_screen=True)
def run():
application.run()
if __name__ == "__main__":
run()
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