import time
from PySide6.QtWidgets import *
from PySide6.QtCore import *
from PySide6.QtGui import *
from page import Ui_Form
import threading


def task(ui):
    a=0
    while ui.isrunning:

        if ui.pausing:
            time.sleep(0.02)
            continue


        ui.data_signal.emit(a)
        time.sleep(0.2)
        a+=1
        if a>100:
            break

    ui.isrunning = True


class Window(QWidget, Ui_Form):
    data_signal = Signal(int)
    def __init__(self):
        super().__init__()
        self.setupUi(self)

        self.t:threading.Thread = None
        self.data_signal.connect(self.change_value)
        self.isrunning = True
        self.pausing = False

    def onBtnStartClick(self):
        if self.t is not None and self.t.is_alive():return
        self.t = threading.Thread(target=task,args=(self,),daemon=True)
        self.t.start()


    def onBtnStopClick(self):
        self.isrunning = False


    def onBtnPauseClick(self):
        self.pausing =True


    def onBtnResumeClick(self):
        self.pausing = False

    def change_value(self,val:int):
        self.progressBar.setValue(val)


if __name__ == '__main__':
    import sys

    app = QApplication(sys.argv)
    win = Window()
    win.show()
    sys.exit(app.exec())