hafas-terminal-app/station_monitor.py

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2.1 KiB
Python

"""
haTerm - v0.1
(c) Chiara Wohlwend
haTerm is a Terminal Based hafas client, using the ivb endpoint.
Prompt_toolkit (https://github.com/prompt-toolkit/python-prompt-toolkit) will be used to render a terminal user interface (TUI).
The application will provide routing information and station departures/arrivals.
"""
from prompt_toolkit import Application
from prompt_toolkit.buffer import Buffer
from prompt_toolkit.layout.layout import Layout
from prompt_toolkit.layout.containers import Window, VSplit, HSplit
from prompt_toolkit.layout.controls import BufferControl
from prompt_toolkit.key_binding import KeyBindings
import threading
import time
keyB=KeyBindings()
inputBuffer=Buffer()
resultBuffer=Buffer()
stop_event=threading.Event()
app_state="MONITOR"
inputBuffer.text = "Monitor\n\nHaltestelle eingeben: "
inputBuffer.cursor_position = len(inputBuffer.text)
resultBuffer.text = "Ausgabe: "
root_container= HSplit(children=[
VSplit(children=[
Window(content=BufferControl(buffer=inputBuffer, focusable=True)),
Window(width=1, char='', style="fg:#9D1D75"),
Window(content=BufferControl(buffer=resultBuffer, focusable=True)),
]),
Window(height=1, char='-', style="bg:#9D1D75 fg:#FFFFFF"),
])
layout = Layout(root_container, focused_element=inputBuffer)
@keyB.add("enter")
def handle_enter(event):
global app_state
user_input = inputBuffer.text.replace("Haltestelle eingeben: ", "").strip()
if user_input:
app_state = "RESULTS"
resultBuffer.text = f"Ergebnisse für: {user_input}\n\n"
inputBuffer.text = "Haltestelle eingeben: "
inputBuffer.cursor_position = len(inputBuffer.text)
else:
app_state = "MONITOR"
resultBuffer.text = "MONITOR\n\n"
inputBuffer.text = "Haltestelle eingeben: "
inputBuffer.cursor_position = len(inputBuffer.text)
@keyB.add("c-q")
def exit_(event):
stop_event.set()
event.app.exit()
app = Application(layout=layout, full_screen=True, key_bindings=keyB)
try:
app.run()
except KeyboardInterrupt:
pass
finally:
stop_event.set()