slint/demos/printerdemo/python/main.py
2025-02-16 14:04:13 +00:00

71 lines
2.1 KiB
Python

# Copyright © SixtyFPS GmbH <info@slint.dev>
# SPDX-License-Identifier: MIT
from slint import Color, ListModel, Timer, TimerMode
import slint
from datetime import timedelta, datetime
import os
import copy
import sys
sys.path.append(os.path.join(os.path.dirname(__file__), ".."))
PrinterQueueItem = slint.loader.ui.printerdemo.PrinterQueueItem
class MainWindow(slint.loader.ui.printerdemo.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(
PrinterQueueItem(
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 = copy.copy(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 = copy.copy(self.printer_queue[0])
self.printer_queue[0] = top_item
main_window = MainWindow()
main_window.run()