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| from PyQt5.QtCore import QThread, pyqtSignal, QSize
from PyQt5.QtWidgets import QPushButton, QWidget, QMainWindow, QApplication, QVBoxLayout, QHBoxLayout
from PyQt5.QtGui import QPixmap, QTextCursor, QColor, QIcon
import pyqtgraph as pg
import pandas as pd
import numpy as np
import sys
import random
import time
class update_datas_live_simulation(QThread):
signal_update_simulation = pyqtSignal()
def __init__(self, ui):
super().__init__()
print("Thread initialisé")
self.ui = ui
def run(self):
print("Thread lancé...")
self.x = []
self.y_1 = []
self.y_2 = []
self.y_3 = []
self.calcul()
def calcul(self):
for i in range(0, 50000, 1):
time.sleep(0.01)
self.data = random.random()*10
self.x.append(i)
self.y_1.append(self.data)
if self.data > 9:
self.y_2.append(self.data)
self.y_3.append(np.nan)
elif self.data < 1:
self.y_2.append(np.nan)
self.y_3.append(self.data)
else:
self.y_2.append(np.nan)
self.y_3.append(np.nan)
self.signal_update_simulation.emit()
def stop(self):
self.quit()
print("Thread stoppé")
class Bouton_simple(QPushButton):
def __init__(self, ui, longueur, hauteur, texte, taille_texte, icone):
QPushButton.__init__(self)
self.setStyleSheet("""QPushButton{font: """ + str(taille_texte) + """px}""")
if longueur!=None:
self.setFixedWidth(longueur)
if hauteur != None:
self.setFixedHeight(hauteur)
self.setText(texte)
if not icone == None:
self.setIcon(QIcon(icone[1]))
self.setIconSize(QSize(20, 20))
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
#np.warnings.filterwarnings('ignore')
self.init_variables()
self.instances_widgets()
self.connect_widgets_to_functions()
self.construction_fenetre()
def init_variables(self):
pass
def instances_widgets(self):
self.fenetre_widget = QWidget()
self.bouton_go = Bouton_simple(self, longueur=None, hauteur=None, texte="GO", taille_texte=12, icone = None)
self.bouton_stop = Bouton_simple(self, longueur=None, hauteur=None, texte="STOP", taille_texte=12, icone = None)
self.graphique_live = pg.GraphicsWindow()
self.plot1 = self.graphique_live.addPlot(0, 0, title = "Courbe de test")
self.plot1.addLegend()
self.graphique_1 = self.plot1.plot([], [], pen=pg.mkPen('w', width=1))
self.graphique_2 = self.plot1.plot([], [], pen=None, symbol='o', symbolBrush =(0, 255, 0), symbolSize = 14, symbolPen ='w', connect="finite")
self.graphique_3 = self.plot1.plot([], [], pen=None, symbol='o', symbolBrush =(255, 0, 0), symbolSize = 14, symbolPen ='w', connect="finite")
self.thread_simulation = update_datas_live_simulation(self)
self.thread_simulation.finished.connect(self.terminate_thread_simulation)
self.thread_simulation.signal_update_simulation.connect(self.data_from_simulation)
def connect_widgets_to_functions(self):
self.bouton_go.clicked.connect(lambda: self.start_thread_simulation())
self.bouton_stop.clicked.connect(lambda: self.stop())
def construction_fenetre(self):
self.layout_horizontal_global = QHBoxLayout()
self.layout_vertical_1 = QVBoxLayout()
self.layout_vertical_2 = QVBoxLayout()
self.layout_horizontal_global.addLayout(self.layout_vertical_1)
self.layout_horizontal_global.addLayout(self.layout_vertical_2)
self.layout_vertical_1.addWidget(self.graphique_live)
self.layout_vertical_2.addWidget(self.bouton_go)
self.layout_vertical_2.addWidget(self.bouton_stop)
self.fenetre_widget.setLayout(self.layout_horizontal_global)
self.setCentralWidget(self.fenetre_widget)
def start_thread_simulation(self):
print("Thread Start!")
try:
self.thread_simulation.start()
except Exception as e:
print(e)
def data_from_simulation(self):
try:
self.graphique_1.setData(self.thread_simulation.x, self.thread_simulation.y_1)
self.graphique_2.setData(self.thread_simulation.x, self.thread_simulation.y_2)
self.graphique_3.setData(self.thread_simulation.x, self.thread_simulation.y_3)
except Exception as e:
print(e)
def terminate_thread_simulation(self):
print("Fin du thread")
def stop(self):
print("Demande de stopper le thread")
if self.thread_simulation.isRunning():
self.thread_simulation.stop()
else:
print("No")
if __name__ == "__main__":
appli = QApplication(sys.argv)
fenetre_main = MainWindow()
fenetre_main.show()
sys.exit(appli.exec_()) |
