slint/examples/printerdemo/python/main.py

65 lines
2 KiB
Python

# Copyright © SixtyFPS GmbH <info@slint.dev>
# SPDX-License-Identifier: MIT
# autopep8: off
from datetime import timedelta, datetime
import os
import sys
sys.path.append(os.path.join(os.path.dirname(__file__), "..", "ui"))
import slint
from slint import Color, ListModel, Timer, TimerMode
import printerdemo_slint
# autopep8: on
class MainWindow(printerdemo_slint.MainWindow):
def __init__(self):
super().__init__()
self.ink_levels = ListModel([
{"color": Color("#0ff"), "level": 0.4},
{"color": Color("#ff0"), "level": 0.2},
{"color": Color("#f0f"), "level": 0.5},
{"color": Color("#000"), "level": 0.8},
])
# Copy the read-only mock data from the UI into a mutable ListModel
self.printer_queue = ListModel(self.PrinterQueue.printer_queue)
self.PrinterQueue.printer_queue = self.printer_queue
self.print_progress_timer = Timer()
self.print_progress_timer.start(
TimerMode.Repeated, timedelta(seconds=1), self.update_jobs)
@slint.callback
def quit(self):
self.hide()
@slint.callback(global_name="PrinterQueue", name="start_job")
def push_job(self, title):
self.printer_queue.append({
"status": "waiting",
"progress": 0,
"title": title,
"owner": "Me",
"pages": 1,
"size": "100kB",
"submission_date": str(datetime.now()),
})
@slint.callback(global_name="PrinterQueue")
def cancel_job(self, index):
del self.printer_queue[index]
def update_jobs(self):
if len(self.printer_queue) <= 0:
return
top_item = self.printer_queue[0]
top_item["progress"] += 1
if top_item["progress"] >= 100:
del self.printer_queue[0]
if len(self.printer_queue) == 0:
return
top_item = self.printer_queue[0]
self.printer_queue[0] = top_item
main_window = MainWindow()
main_window.run()