Exemplo n.º 1
0
class Ventanaprincipal(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.initGui()

    def initGui(self):
        self.setWindowTitle('Eliminacion de producto por ID')
        self.setFixedSize(400, 400)

        self.lbl_producto = QLabel('Producto:', self)
        self.lbl_producto.move(60, 120)

        self.txt_producto = QLineEdit(self)
        self.txt_producto.move(140, 120)
        self.txt_producto.setFixedWidth(200)
        self.txt_producto.setValidator(QIntValidator())

        self.btn_eliminar = QPushButton('Eliminar', self)
        self.btn_eliminar.move(140, 170)
        self.btn_eliminar.setFixedWidth(200)
        self.btn_eliminar.clicked.connect(self.eliminar)

        self.lbl_resultado = QLabel('Resultado:', self)
        self.lbl_resultado.move(25, 250)

        self.lbl_resultado = QLabel(self)
        self.lbl_resultado.move(25, 270)
        self.lbl_resultado.setFixedWidth(350)
        #self.txt_resultado.setEnabled(False)

    def eliminar(self):
        confirmacion = QMessageBox(self)
        confirmacion.setText(
            f'Desea Eliminar el Producto con ID {self.txt_producto.text()}?')
        confirmacion.setIcon(QMessageBox.Icon.Question)
        confirmacion.setDetailedText(
            'El producto se eliminará definitivamente...')
        confirmacion.setWindowTitle('Confirmación...')
        confirmacion.setStandardButtons(QMessageBox.StandardButton.Yes
                                        | QMessageBox.StandardButton.No)

        boton_yes = confirmacion.button(QMessageBox.StandardButton.Yes)

        confirmacion.exec()

        if confirmacion.clickedButton() == boton_yes:
            self.lbl_resultado.setText(
                f'Se ha eliminado el producto con ID {self.txt_producto.text()}.'
            )
        else:
            self.lbl_resultado.setText(
                f'No se ha eliminado el producto con ID {self.txt_producto.text()}.'
            )
Exemplo n.º 2
0
class ventanaPrincipal(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.initGui()

    def initGui(self):
        self.setWindowTitle('Selección de vuelo.')
        self.setFixedSize(500, 400)

        self.lbl_seleccion_vuelo = QLabel('Seleccione la clase de su vuelo:',
                                          self)
        self.lbl_seleccion_vuelo.move(50, 70)
        self.lbl_seleccion_vuelo.setFixedWidth(200)

        self.rbtn_1_clase = QRadioButton('Primera Clase.', self)
        self.rbtn_1_clase.move(50, 130)
        self.rbtn_1_clase.setFixedWidth(250)
        self.rbtn_1_clase.toggled.connect(self.seleccionar_clase)

        self.rbtn_2_clase = QRadioButton('Clase Negocios. ', self)
        self.rbtn_2_clase.move(50, 160)
        self.rbtn_2_clase.setFixedWidth(250)
        self.rbtn_2_clase.toggled.connect(self.seleccionar_clase)

        self.rbtn_3_clase = QRadioButton('Clase Económica.', self)
        self.rbtn_3_clase.move(50, 190)
        self.rbtn_3_clase.setFixedWidth(250)
        self.rbtn_3_clase.toggled.connect(self.seleccionar_clase)

        self.lbl_resultado_titulo = QLabel('Resultado:', self)
        self.lbl_resultado_titulo.move(50, 250)

        self.lbl_resultado = QLabel(self)
        self.lbl_resultado.move(50, 280)
        self.lbl_resultado.setFixedWidth(400)

    def seleccionar_clase(self):
        costo_vuelo = 0
        clase = ''

        if self.rbtn_1_clase.isChecked():
            costo_vuelo = '2.000.0'
            clase = 'Primera Clase'
        elif self.rbtn_2_clase.isChecked():
            costo_vuelo = '1.500.0'
            clase = 'Clase de Negocios'
        elif self.rbtn_3_clase.isChecked():
            costo_vuelo = '1.000.0'
            clase = 'Clase Económica'

        self.lbl_resultado.setText(
            f'El costo de su tiquete de {clase}, es de USD ${costo_vuelo}')
class Ventana_Calculadora(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.initUi()

    def initUi(self):
        self.setWindowTitle('Calculadora Suma')
        self.setFixedSize(300, 400)

        self.lbl_numero_1 = QLabel('Número 1: ', self)
        self.lbl_numero_1.move(50, 50)

        self.lbl_numero_2 = QLabel('Número 2: ', self)
        self.lbl_numero_2.move(50, 100)

        self.txt_numero_1 = QLineEdit(self)
        self.txt_numero_1.setFixedWidth(100)
        self.txt_numero_1.move(150, 50)      
        self.txt_numero_1.setValidator(QIntValidator())

        self.txt_numero_2 = QLineEdit(self)
        self.txt_numero_2.setFixedWidth(100)
        self.txt_numero_2.move(150, 100)
        self.txt_numero_2.setValidator(QIntValidator())

        self.btn_sumar = QPushButton('Sumar', self)
        self.btn_sumar.setFixedWidth(100)
        self.btn_sumar.move(100, 170)
        self.btn_sumar.clicked.connect(self.sumar) # Evento Click
        
        self.lbl_resultado = QLabel('Resultado: ', self)
        self.lbl_resultado.move(50, 250)

        self.lbl_resultado = QLabel(self)
        self.lbl_resultado.setFixedWidth(100)
        self.lbl_resultado.move(150, 250)
        #self.lbl_resultado.setEnabled(False)
        

        

    def sumar(self):
        numero_1 = int(self.txt_numero_1.text())
        numero_2 = int(self.txt_numero_2.text())

        suma = numero_1 + numero_2
        self.lbl_resultado.setText(str(suma))
Exemplo n.º 4
0
def makeTitle():
    titleLayout = QHBoxLayout()
    # titleLayout.setSpacing(42)
    titleFont = QtGui.QFont("Times", 32, QtGui.QFont.Weight.Bold)

    title = QLabel(opts.timeclockOpts["title"])
    title.setFixedWidth(820)
    title.setFont(titleFont)

    logo = QLabel()
    logoImage = QtGui.QPixmap("../data/assets/" + opts.timeclockOpts["logo"])
    logoImage = logoImage.scaled(QtCore.QSize(100, 100))
    logo.setPixmap(logoImage)
    if opts.timeclockOpts["darkTheme"]:
        logo.setStyleSheet("QLabel {background:white}")

    titleLayout.addWidget(title)
    titleLayout.addStretch()
    titleLayout.addWidget(logo)
    return titleLayout
Exemplo n.º 5
0
class Captura_Datos(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.initGui()

    def initGui(self):
        self.setWindowTitle('Aplicación Captura de Datos')
        self.setFixedSize(400, 400)
        #self.showFullScreen()

        # Botones
        self.btn_nombre = QPushButton('Nombre Completo', self)
        self.btn_nombre.setFixedWidth(200)
        self.btn_nombre.move(100, 30)
        self.btn_nombre.clicked.connect(self.capturar_nombre)

        self.btn_edad = QPushButton('Edad', self)
        self.btn_edad.setFixedWidth(200)
        self.btn_edad.move(100, 60)
        self.btn_nombre.clicked.connect(self.capturar_edad)

        self.btn_ahorros = QPushButton('Ahorros', self)
        self.btn_ahorros.setFixedWidth(200)
        self.btn_ahorros.move(100, 90)
        self.btn_nombre.clicked.connect(self.capturar_ahorros)

        self.btn_color = QPushButton('Color', self)
        self.btn_color.setFixedWidth(200)
        self.btn_color.move(100, 120)
        self.btn_nombre.clicked.connect(self.capturar_color)

        # Resultado
        self.lbl_resultado = QLabel('Información personal:', self)
        self.lbl_resultado.move(100, 180)
        self.lbl_resultado.setFixedWidth(200)

        # Etiquetas de datos
        self.lbl_nombre = QLabel('Nombre Completo:', self)
        self.lbl_nombre.move(50, 240)
        self.lbl_nombre.setFixedWidth(200)

        self.lbl_nombre = QLabel('Edad:', self)
        self.lbl_nombre.move(50, 270)
        self.lbl_nombre.setFixedWidth(200)

        self.lbl_nombre = QLabel('Ahorros:', self)
        self.lbl_nombre.move(50, 300)
        self.lbl_nombre.setFixedWidth(200)

        self.lbl_nombre = QLabel('Color:', self)
        self.lbl_nombre.move(50, 330)
        self.lbl_nombre.setFixedWidth(200)

        # Etiquetas de resultados
        self.lbl_nombre_result = QLabel(self)
        self.lbl_nombre_result.move(200, 240)
        self.lbl_nombre_result.setFixedWidth(200)

        self.lbl_edad_result = QLabel(self)
        self.lbl_edad_result.move(200, 270)
        self.lbl_edad_result.setFixedWidth(200)

        self.lbl_ahorros_result = QLabel(self)
        self.lbl_ahorros_result.move(200, 300)
        self.lbl_ahorros_result.setFixedWidth(200)

        self.lbl_color_result = QLabel(self)
        self.lbl_color_result.move(200, 330)
        self.lbl_color_result.setFixedWidth(200)

        # Menu
        self.menu_principal = self.menuBar()
        self.menu_archivo = self.menu_principal.addMenu('Archivo')
        self.menu_operaciones = self.menu_principal.addMenu('Operaciones')
        self.menu_ayuda = self.menu_principal.addMenu('Ayuda')

        # Archivo
        self.menu_item_salir = QAction('Salir', self)
        self.menu_item_salir.setShortcut('⌘D')
        self.menu_item_salir.triggered.connect(self.close)
        self.menu_archivo.addAction(self.menu_item_salir)

        # Operaciones
        self.menu_item_operaciones = QAction('Operaciones', self)
        self.menu_operaciones.addAction(self.menu_item_operaciones)

        # Ayuda
        self.menu_acerca_de = QAction('Acerca de Aplicación Captura de Datos.',
                                      self)
        self.menu_ayuda.addAction(self.menu_acerca_de)
        self.menu_ayuda.triggered.connect(self.mostrar_acerca_de)

    def mostrar_acerca_de(self):
        mensaje = QMessageBox()
        mensaje.setIcon(QMessageBox.Icon.Information)
        mensaje.setText(
            'A cerca de Aplicación captura de datos.\n\nAplicacion PyQt6.\nDesarrollador: Mauricio Posada.\nVersión: 1.0.0\n2021.'
        )

        mensaje.exec()

    def capturar_nombre(self):
        nombre, ok = QInputDialog.getText(self, 'Captura de datos.',
                                          'Escribe tu nombre completo:')

        if ok:
            nombre = nombre.strip()

            if len(nombre):
                self.lbl_nombre_result.setText(nombre)

    def capturar_edad(self):
        edad, ok = QInputDialog.getInt(self, 'Captura de datos.',
                                       'Escribe tu edad:', 10, 1, 80)

        if ok:
            self.lbl_edad_result.setText(str(edad))

    def capturar_ahorros(self):
        ahorros, ok = QInputDialog.getDouble(
            self, 'Captura de datos.', 'Escribe tu cantidad de ahorros:', 0,
            1000, 1000000)  # Minimo, incremento, Maximo

        if ok:
            self.lbl_ahorros_result.setText(str(ahorros))

    def capturar_color(self):
        colores = [
            'Amarillo', 'Azul', 'Blanco', 'Rojo', 'Verde', 'Negro', 'Morado'
        ]

        color, ok = QInputDialog.getItem(
            self, 'Captura de datos.', 'Selecciona un color.', colores, 0,
            False
        )  # 0 inicia desde el color[0], False no permite editar la lista de colores

        if ok:
            self.lbl_color_result.setText(color)
Exemplo n.º 6
0
    def __init__(self):
        super().__init__()
        self.setFixedSize(800, 410)
        self.setWindowTitle("PyLX16A Servo Testing Software")

        self.port_selection_box = QComboBox(self)
        self.port_selection_box.setFixedSize(200, 27)
        self.port_selection_box.move(30, 65)
        port_selection_box_label = QLabel("Select Port:", self)
        port_selection_box_label.move(30, 35)

        self.port_selection_box_refresh_button = QPushButton("Refresh", self)
        self.port_selection_box_refresh_button.setFixedSize(60, 23)
        self.port_selection_box_refresh_button.move(170, 38)

        self.id_selection_box = QListWidget(self)
        self.id_selection_box.setFixedSize(200, 200)
        self.id_selection_box.move(30, 135)
        id_selection_box_label = QLabel("Connected Servos:", self)
        id_selection_box_label.setFixedWidth(200)
        id_selection_box_label.move(30, 105)

        self.id_selection_box_refresh_button = QPushButton("Refresh", self)
        self.id_selection_box_refresh_button.setFixedSize(60, 23)
        self.id_selection_box_refresh_button.move(170, 108)

        self.set_id_line_edit = QLineEdit(self)
        self.set_id_line_edit.setFixedSize(50, 27)
        self.set_id_line_edit.move(80, 355)
        set_id_line_edit_label = QLabel("Set ID:", self)
        set_id_line_edit_label.move(30, 355)
        set_id_line_edit_label.setFixedSize(50, 27)

        self.set_id_button = QPushButton("Change ID!", self)
        self.set_id_button.setFixedSize(85, 27)
        self.set_id_button.move(145, 355)

        self.position_slider = QSlider(Qt.Orientation.Horizontal, self)
        self.position_slider.setMinimum(0)
        self.position_slider.setMaximum(240)
        self.position_slider.setFixedWidth(200)
        self.position_slider.move(300, 55)
        self.position_slider_readout = QLabel("0.00°", self)
        self.position_slider_readout.setFixedWidth(50)
        self.position_slider_readout.move(450, 30)
        self.position_slider_readout.setAlignment(
            Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter)
        position_slider_label = QLabel("Angle (degrees):", self)
        position_slider_label.move(300, 30)

        self.position_offset_slider = QSlider(Qt.Orientation.Horizontal, self)
        self.position_offset_slider.setMinimum(-30)
        self.position_offset_slider.setMaximum(30)
        self.position_offset_slider.setFixedWidth(200)
        self.position_offset_slider.move(300, 125)
        self.position_offset_slider_readout = QLabel("0.00°", self)
        self.position_offset_slider_readout.setFixedWidth(50)
        self.position_offset_slider_readout.move(450, 100)
        self.position_offset_slider_readout.setAlignment(
            Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter)
        position_offset_slider_label = QLabel("Angle offset (degrees):", self)
        position_offset_slider_label.setFixedWidth(200)
        position_offset_slider_label.move(300, 100)

        self.angle_lower_limit_textentry = QLineEdit(self)
        self.angle_lower_limit_textentry.setFixedWidth(50)
        self.angle_lower_limit_textentry.move(450, 175)
        self.angle_lower_limit_textentry.setValidator(
            QIntValidator(0, 240, self))
        self.angle_upper_limit_textentry = QLineEdit(self)
        self.angle_upper_limit_textentry.setFixedWidth(50)
        self.angle_upper_limit_textentry.move(450, 210)
        self.angle_upper_limit_textentry.setValidator(
            QIntValidator(0, 240, self))
        self.angle_lower_limit_textentry_label = QLabel(
            "Lower Limit (degrees):", self)
        self.angle_lower_limit_textentry_label.move(300, 175)
        self.angle_lower_limit_textentry_label.setFixedWidth(150)
        self.angle_upper_limit_textentry_label = QLabel(
            "Upper Limit (degrees):", self)
        self.angle_upper_limit_textentry_label.move(300, 210)
        self.angle_upper_limit_textentry_label.setFixedWidth(150)

        self.vin_lower_limit_textentry = QLineEdit(self)
        self.vin_lower_limit_textentry.setFixedWidth(50)
        self.vin_lower_limit_textentry.move(450, 265)
        self.vin_lower_limit_textentry.setValidator(
            QIntValidator(4500, 12000, self))
        self.vin_upper_limit_textentry = QLineEdit(self)
        self.vin_upper_limit_textentry.setFixedWidth(50)
        self.vin_upper_limit_textentry.move(450, 300)
        self.vin_upper_limit_textentry.setValidator(
            QIntValidator(4500, 12000, self))
        self.vin_lower_limit_textentry_label = QLabel(
            "Voltage Lower Limit (mV):", self)
        self.vin_lower_limit_textentry_label.move(300, 265)
        self.vin_lower_limit_textentry_label.setFixedWidth(150)
        self.vin_upper_limit_textentry_label = QLabel(
            "Voltage Upper Limit (mV):", self)
        self.vin_upper_limit_textentry_label.move(300, 300)
        self.vin_upper_limit_textentry_label.setFixedWidth(150)

        self.temp_limit_textentry = QLineEdit(self)
        self.temp_limit_textentry.setFixedWidth(50)
        self.temp_limit_textentry.move(450, 355)
        self.temp_limit_textentry.setValidator(QIntValidator(50, 100, self))
        self.temp_limit_textentry_label = QLabel("Temp Limit (°C):", self)
        self.temp_limit_textentry_label.move(300, 355)
        self.temp_limit_textentry_label.setFixedWidth(150)

        self.servo_mode_radio_button = QRadioButton("Servo Mode", self)
        self.servo_mode_radio_button.move(565, 50)
        self.motor_mode_radio_button = QRadioButton("Motor Mode", self)
        self.motor_mode_radio_button.move(565, 75)

        self.motor_speed_slider = QSlider(Qt.Orientation.Horizontal, self)
        self.motor_speed_slider.setMinimum(-1000)
        self.motor_speed_slider.setMaximum(1000)
        self.motor_speed_slider.setFixedWidth(200)
        self.motor_speed_slider.move(565, 125)
        motor_speed_slider_label = QLabel("Motor Speed:", self)
        motor_speed_slider_label.move(565, 100)

        self.torque_enabled_checkbox = QCheckBox("Torque Enabled", self)
        self.torque_enabled_checkbox.move(565, 175)
        self.torque_enabled_checkbox.setFixedWidth(200)

        self.led_enabled_checkbox = QCheckBox("LED Enabled", self)
        self.led_enabled_checkbox.move(565, 210)
        self.led_enabled_checkbox.setFixedWidth(200)

        self.led_over_temp_checkbox = QCheckBox("LED Over Temperature", self)
        self.led_over_temp_checkbox.move(565, 258)
        self.led_over_temp_checkbox.setFixedWidth(200)
        self.led_over_voltage_checkbox = QCheckBox("LED Over Voltage", self)
        self.led_over_voltage_checkbox.move(565, 283)
        self.led_over_voltage_checkbox.setFixedWidth(200)
        self.led_rotor_locked_checkbox = QCheckBox("LED Rotor Locked", self)
        self.led_rotor_locked_checkbox.move(565, 308)
        self.led_rotor_locked_checkbox.setFixedWidth(200)

        self.physical_position_readout = QLabel("--°", self)
        self.physical_position_readout.move(565, 367)
        self.physical_position_readout.setFixedWidth(200)
        self.physical_position_readout_label = QLabel("Position", self)
        self.physical_position_readout_label.move(565, 347)

        self.temperature_readout = QLabel("-- °C", self)
        self.temperature_readout.move(635, 367)
        self.temperature_readout.setFixedWidth(200)
        self.temperature_readout_label = QLabel("Temperature", self)
        self.temperature_readout_label.move(635, 347)

        self.voltage_readout = QLabel("-- V", self)
        self.voltage_readout.move(730, 367)
        self.voltage_readout.setFixedWidth(200)
        self.voltage_readout_label = QLabel("Voltage", self)
        self.voltage_readout_label.move(730, 347)

        self.readout_update_timer = QTimer(self)
        self.readout_update_timer.timeout.connect(self.update_readouts)
        self.readout_update_timer.start(250)

        self.active_servo: LX16A = None

        self.position_slider.setValue(0)
        self.position_offset_slider.setValue(0)
        self.motor_speed_slider.setValue(0)
        self.id_selection_box_refresh_button.setEnabled(False)
        self.disable_widgets()

        self.port_selection_box.currentTextChanged.connect(
            self.port_selection_box_changed)
        self.port_selection_box_refresh_button.clicked.connect(
            self.port_refresh_button_clicked)
        self.id_selection_box.currentTextChanged.connect(
            self.id_selection_box_changed)
        self.id_selection_box_refresh_button.clicked.connect(
            self.id_refresh_button_clicked)
        self.set_id_button.pressed.connect(self.id_updated)
        self.position_slider.sliderMoved.connect(self.position_slider_updated)
        self.position_offset_slider.sliderMoved.connect(
            self.position_offset_slider_updated)
        self.angle_lower_limit_textentry.textChanged.connect(
            self.angle_lower_limit_updated)
        self.angle_upper_limit_textentry.textChanged.connect(
            self.angle_upper_limit_updated)
        self.vin_lower_limit_textentry.textChanged.connect(
            self.vin_lower_limit_updated)
        self.vin_upper_limit_textentry.textChanged.connect(
            self.vin_upper_limit_updated)
        self.temp_limit_textentry.textChanged.connect(self.temp_limit_updated)
        self.servo_mode_radio_button.toggled.connect(
            self.servo_mode_radio_button_toggled)
        self.motor_mode_radio_button.toggled.connect(
            self.motor_mode_radio_button_toggled)
        self.motor_speed_slider.valueChanged.connect(
            self.motor_speed_slider_updated)
        self.torque_enabled_checkbox.stateChanged.connect(
            self.torque_enabled_checkbox_toggled)
        self.led_enabled_checkbox.stateChanged.connect(
            self.led_enabled_checkbox_toggled)
        self.led_over_temp_checkbox.stateChanged.connect(
            self.led_error_triggers_checkbox_toggled)
        self.led_over_voltage_checkbox.stateChanged.connect(
            self.led_error_triggers_checkbox_toggled)
        self.led_rotor_locked_checkbox.stateChanged.connect(
            self.led_error_triggers_checkbox_toggled)

        self.scan_for_ports()
Exemplo n.º 7
0
class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setFixedSize(800, 410)
        self.setWindowTitle("PyLX16A Servo Testing Software")

        self.port_selection_box = QComboBox(self)
        self.port_selection_box.setFixedSize(200, 27)
        self.port_selection_box.move(30, 65)
        port_selection_box_label = QLabel("Select Port:", self)
        port_selection_box_label.move(30, 35)

        self.port_selection_box_refresh_button = QPushButton("Refresh", self)
        self.port_selection_box_refresh_button.setFixedSize(60, 23)
        self.port_selection_box_refresh_button.move(170, 38)

        self.id_selection_box = QListWidget(self)
        self.id_selection_box.setFixedSize(200, 200)
        self.id_selection_box.move(30, 135)
        id_selection_box_label = QLabel("Connected Servos:", self)
        id_selection_box_label.setFixedWidth(200)
        id_selection_box_label.move(30, 105)

        self.id_selection_box_refresh_button = QPushButton("Refresh", self)
        self.id_selection_box_refresh_button.setFixedSize(60, 23)
        self.id_selection_box_refresh_button.move(170, 108)

        self.set_id_line_edit = QLineEdit(self)
        self.set_id_line_edit.setFixedSize(50, 27)
        self.set_id_line_edit.move(80, 355)
        set_id_line_edit_label = QLabel("Set ID:", self)
        set_id_line_edit_label.move(30, 355)
        set_id_line_edit_label.setFixedSize(50, 27)

        self.set_id_button = QPushButton("Change ID!", self)
        self.set_id_button.setFixedSize(85, 27)
        self.set_id_button.move(145, 355)

        self.position_slider = QSlider(Qt.Orientation.Horizontal, self)
        self.position_slider.setMinimum(0)
        self.position_slider.setMaximum(240)
        self.position_slider.setFixedWidth(200)
        self.position_slider.move(300, 55)
        self.position_slider_readout = QLabel("0.00°", self)
        self.position_slider_readout.setFixedWidth(50)
        self.position_slider_readout.move(450, 30)
        self.position_slider_readout.setAlignment(
            Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter)
        position_slider_label = QLabel("Angle (degrees):", self)
        position_slider_label.move(300, 30)

        self.position_offset_slider = QSlider(Qt.Orientation.Horizontal, self)
        self.position_offset_slider.setMinimum(-30)
        self.position_offset_slider.setMaximum(30)
        self.position_offset_slider.setFixedWidth(200)
        self.position_offset_slider.move(300, 125)
        self.position_offset_slider_readout = QLabel("0.00°", self)
        self.position_offset_slider_readout.setFixedWidth(50)
        self.position_offset_slider_readout.move(450, 100)
        self.position_offset_slider_readout.setAlignment(
            Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter)
        position_offset_slider_label = QLabel("Angle offset (degrees):", self)
        position_offset_slider_label.setFixedWidth(200)
        position_offset_slider_label.move(300, 100)

        self.angle_lower_limit_textentry = QLineEdit(self)
        self.angle_lower_limit_textentry.setFixedWidth(50)
        self.angle_lower_limit_textentry.move(450, 175)
        self.angle_lower_limit_textentry.setValidator(
            QIntValidator(0, 240, self))
        self.angle_upper_limit_textentry = QLineEdit(self)
        self.angle_upper_limit_textentry.setFixedWidth(50)
        self.angle_upper_limit_textentry.move(450, 210)
        self.angle_upper_limit_textentry.setValidator(
            QIntValidator(0, 240, self))
        self.angle_lower_limit_textentry_label = QLabel(
            "Lower Limit (degrees):", self)
        self.angle_lower_limit_textentry_label.move(300, 175)
        self.angle_lower_limit_textentry_label.setFixedWidth(150)
        self.angle_upper_limit_textentry_label = QLabel(
            "Upper Limit (degrees):", self)
        self.angle_upper_limit_textentry_label.move(300, 210)
        self.angle_upper_limit_textentry_label.setFixedWidth(150)

        self.vin_lower_limit_textentry = QLineEdit(self)
        self.vin_lower_limit_textentry.setFixedWidth(50)
        self.vin_lower_limit_textentry.move(450, 265)
        self.vin_lower_limit_textentry.setValidator(
            QIntValidator(4500, 12000, self))
        self.vin_upper_limit_textentry = QLineEdit(self)
        self.vin_upper_limit_textentry.setFixedWidth(50)
        self.vin_upper_limit_textentry.move(450, 300)
        self.vin_upper_limit_textentry.setValidator(
            QIntValidator(4500, 12000, self))
        self.vin_lower_limit_textentry_label = QLabel(
            "Voltage Lower Limit (mV):", self)
        self.vin_lower_limit_textentry_label.move(300, 265)
        self.vin_lower_limit_textentry_label.setFixedWidth(150)
        self.vin_upper_limit_textentry_label = QLabel(
            "Voltage Upper Limit (mV):", self)
        self.vin_upper_limit_textentry_label.move(300, 300)
        self.vin_upper_limit_textentry_label.setFixedWidth(150)

        self.temp_limit_textentry = QLineEdit(self)
        self.temp_limit_textentry.setFixedWidth(50)
        self.temp_limit_textentry.move(450, 355)
        self.temp_limit_textentry.setValidator(QIntValidator(50, 100, self))
        self.temp_limit_textentry_label = QLabel("Temp Limit (°C):", self)
        self.temp_limit_textentry_label.move(300, 355)
        self.temp_limit_textentry_label.setFixedWidth(150)

        self.servo_mode_radio_button = QRadioButton("Servo Mode", self)
        self.servo_mode_radio_button.move(565, 50)
        self.motor_mode_radio_button = QRadioButton("Motor Mode", self)
        self.motor_mode_radio_button.move(565, 75)

        self.motor_speed_slider = QSlider(Qt.Orientation.Horizontal, self)
        self.motor_speed_slider.setMinimum(-1000)
        self.motor_speed_slider.setMaximum(1000)
        self.motor_speed_slider.setFixedWidth(200)
        self.motor_speed_slider.move(565, 125)
        motor_speed_slider_label = QLabel("Motor Speed:", self)
        motor_speed_slider_label.move(565, 100)

        self.torque_enabled_checkbox = QCheckBox("Torque Enabled", self)
        self.torque_enabled_checkbox.move(565, 175)
        self.torque_enabled_checkbox.setFixedWidth(200)

        self.led_enabled_checkbox = QCheckBox("LED Enabled", self)
        self.led_enabled_checkbox.move(565, 210)
        self.led_enabled_checkbox.setFixedWidth(200)

        self.led_over_temp_checkbox = QCheckBox("LED Over Temperature", self)
        self.led_over_temp_checkbox.move(565, 258)
        self.led_over_temp_checkbox.setFixedWidth(200)
        self.led_over_voltage_checkbox = QCheckBox("LED Over Voltage", self)
        self.led_over_voltage_checkbox.move(565, 283)
        self.led_over_voltage_checkbox.setFixedWidth(200)
        self.led_rotor_locked_checkbox = QCheckBox("LED Rotor Locked", self)
        self.led_rotor_locked_checkbox.move(565, 308)
        self.led_rotor_locked_checkbox.setFixedWidth(200)

        self.physical_position_readout = QLabel("--°", self)
        self.physical_position_readout.move(565, 367)
        self.physical_position_readout.setFixedWidth(200)
        self.physical_position_readout_label = QLabel("Position", self)
        self.physical_position_readout_label.move(565, 347)

        self.temperature_readout = QLabel("-- °C", self)
        self.temperature_readout.move(635, 367)
        self.temperature_readout.setFixedWidth(200)
        self.temperature_readout_label = QLabel("Temperature", self)
        self.temperature_readout_label.move(635, 347)

        self.voltage_readout = QLabel("-- V", self)
        self.voltage_readout.move(730, 367)
        self.voltage_readout.setFixedWidth(200)
        self.voltage_readout_label = QLabel("Voltage", self)
        self.voltage_readout_label.move(730, 347)

        self.readout_update_timer = QTimer(self)
        self.readout_update_timer.timeout.connect(self.update_readouts)
        self.readout_update_timer.start(250)

        self.active_servo: LX16A = None

        self.position_slider.setValue(0)
        self.position_offset_slider.setValue(0)
        self.motor_speed_slider.setValue(0)
        self.id_selection_box_refresh_button.setEnabled(False)
        self.disable_widgets()

        self.port_selection_box.currentTextChanged.connect(
            self.port_selection_box_changed)
        self.port_selection_box_refresh_button.clicked.connect(
            self.port_refresh_button_clicked)
        self.id_selection_box.currentTextChanged.connect(
            self.id_selection_box_changed)
        self.id_selection_box_refresh_button.clicked.connect(
            self.id_refresh_button_clicked)
        self.set_id_button.pressed.connect(self.id_updated)
        self.position_slider.sliderMoved.connect(self.position_slider_updated)
        self.position_offset_slider.sliderMoved.connect(
            self.position_offset_slider_updated)
        self.angle_lower_limit_textentry.textChanged.connect(
            self.angle_lower_limit_updated)
        self.angle_upper_limit_textentry.textChanged.connect(
            self.angle_upper_limit_updated)
        self.vin_lower_limit_textentry.textChanged.connect(
            self.vin_lower_limit_updated)
        self.vin_upper_limit_textentry.textChanged.connect(
            self.vin_upper_limit_updated)
        self.temp_limit_textentry.textChanged.connect(self.temp_limit_updated)
        self.servo_mode_radio_button.toggled.connect(
            self.servo_mode_radio_button_toggled)
        self.motor_mode_radio_button.toggled.connect(
            self.motor_mode_radio_button_toggled)
        self.motor_speed_slider.valueChanged.connect(
            self.motor_speed_slider_updated)
        self.torque_enabled_checkbox.stateChanged.connect(
            self.torque_enabled_checkbox_toggled)
        self.led_enabled_checkbox.stateChanged.connect(
            self.led_enabled_checkbox_toggled)
        self.led_over_temp_checkbox.stateChanged.connect(
            self.led_error_triggers_checkbox_toggled)
        self.led_over_voltage_checkbox.stateChanged.connect(
            self.led_error_triggers_checkbox_toggled)
        self.led_rotor_locked_checkbox.stateChanged.connect(
            self.led_error_triggers_checkbox_toggled)

        self.scan_for_ports()

    def disable_widgets(self):
        self.set_id_line_edit.setEnabled(False)
        self.position_slider.setEnabled(False)
        self.position_offset_slider.setEnabled(False)
        self.angle_lower_limit_textentry.setEnabled(False)
        self.angle_upper_limit_textentry.setEnabled(False)
        self.vin_lower_limit_textentry.setEnabled(False)
        self.vin_upper_limit_textentry.setEnabled(False)
        self.temp_limit_textentry.setEnabled(False)
        self.servo_mode_radio_button.setEnabled(False)
        self.motor_mode_radio_button.setEnabled(False)
        self.motor_speed_slider.setEnabled(False)
        self.torque_enabled_checkbox.setEnabled(False)
        self.led_enabled_checkbox.setEnabled(False)
        self.led_over_temp_checkbox.setEnabled(False)
        self.led_over_voltage_checkbox.setEnabled(False)
        self.led_rotor_locked_checkbox.setEnabled(False)

    def enable_widgets(self):
        self.set_id_line_edit.setEnabled(True)
        self.position_slider.setEnabled(True)
        self.position_offset_slider.setEnabled(True)
        self.angle_lower_limit_textentry.setEnabled(True)
        self.angle_upper_limit_textentry.setEnabled(True)
        self.vin_lower_limit_textentry.setEnabled(True)
        self.vin_upper_limit_textentry.setEnabled(True)
        self.temp_limit_textentry.setEnabled(True)
        self.servo_mode_radio_button.setEnabled(True)
        self.motor_mode_radio_button.setEnabled(True)
        self.motor_speed_slider.setEnabled(True)
        self.torque_enabled_checkbox.setEnabled(True)
        self.led_enabled_checkbox.setEnabled(True)
        self.led_over_temp_checkbox.setEnabled(True)
        self.led_over_voltage_checkbox.setEnabled(True)
        self.led_rotor_locked_checkbox.setEnabled(True)

    def clear_servo(self):
        self.active_servo = None

    @catch_disconnection
    def set_servo_id(self, id_):
        if not id_.isdigit():
            return

        self.active_servo = LX16A(int(id_))
        self.active_servo.enable_torque()

        self.position_slider.setValue(
            int(self.active_servo.get_physical_angle()))
        self.position_slider_readout.setText(
            f"{int(self.active_servo.get_physical_angle() * 25 / 6) * 6 / 25:0.2f}°"
        )
        self.position_offset_slider.setValue(
            int(self.active_servo.get_angle_offset()))
        self.position_offset_slider_readout.setText(
            f"{int(self.active_servo.get_angle_offset() * 25 / 6) * 6 / 25:0.2f}°"
        )
        self.angle_lower_limit_textentry.setText(
            str(int(self.active_servo.get_angle_limits()[0])))
        self.angle_upper_limit_textentry.setText(
            str(int(self.active_servo.get_angle_limits()[1])))
        self.vin_lower_limit_textentry.setText(
            str(self.active_servo.get_vin_limits()[0]))
        self.vin_upper_limit_textentry.setText(
            str(self.active_servo.get_vin_limits()[1]))
        self.temp_limit_textentry.setText(
            str(self.active_servo.get_temp_limit()))
        self.motor_speed_slider.setValue(self.active_servo.get_motor_speed(
        ) if self.active_servo.is_motor_mode() else 0)
        if self.active_servo.is_motor_mode():
            self.motor_mode_radio_button.setChecked(True)
        else:
            self.servo_mode_radio_button.setChecked(True)
        self.motor_speed_slider.setEnabled(self.active_servo.is_motor_mode())
        self.torque_enabled_checkbox.setChecked(
            self.active_servo.is_torque_enabled())
        self.led_enabled_checkbox.setChecked(
            self.active_servo.is_led_power_on())
        self.led_over_temp_checkbox.setChecked(
            self.active_servo.get_led_error_triggers()[0])
        self.led_over_voltage_checkbox.setChecked(
            self.active_servo.get_led_error_triggers()[1])
        self.led_rotor_locked_checkbox.setChecked(
            self.active_servo.get_led_error_triggers()[2])

    @catch_disconnection
    def scan_for_servos(self, port):
        self.setCursor(Qt.CursorShape.WaitCursor)

        LX16A.initialize(port)

        self.id_selection_box.clear()

        for i in range(0, 254):
            try:
                servo = LX16A(i)
                self.id_selection_box.addItem(str(i))
            except:
                pass

        self.setCursor(Qt.CursorShape.ArrowCursor)

    @catch_disconnection
    def scan_for_ports(self):
        ports = serial.tools.list_ports.comports()
        for port in ports:
            self.port_selection_box.addItem(port.device)

    @catch_disconnection
    def update_readouts(self):
        if self.active_servo is None:
            return

        try:
            self.physical_position_readout.setText(
                f"{self.active_servo.get_physical_angle():0.2f}°")
            self.temperature_readout.setText(
                f"{self.active_servo.get_temp()} °C")
            self.voltage_readout.setText(
                f"{self.active_servo.get_vin() / 1000} V")
        except (ServoTimeoutError, ServoChecksumError):
            pass

    @catch_disconnection
    def id_updated(self):
        new_id = self.set_id_line_edit.text()

        try:
            servo = LX16A(int(new_id))
        except ServoTimeoutError:
            # Meaning this ID is not taken
            self.active_servo.set_id(int(new_id))
            self.id_selection_box.item(
                self.id_selection_box.currentRow()).setText(new_id)

            return

        QMessageBox.warning(None, "Error", "ID already taken")

    @catch_disconnection
    def position_slider_updated(self, pos):
        if float(self.voltage_readout.text()[:-2]) < 5:
            QMessageBox.warning(
                None,
                "Error",
                "The voltage going through the servo is too low. Is your battery powered on?",
            )

            return
        self.active_servo.move(pos)
        self.position_slider_readout.setText(
            f"{int(pos * 25 / 6) * 6 / 25:0.2f}°")

    @catch_disconnection
    def position_offset_slider_updated(self, pos):
        self.active_servo.set_angle_offset(pos)
        self.position_offset_slider_readout.setText(
            f"{int(pos * 25 / 6) * 6 / 25:0.2f}°")

    @catch_disconnection
    def angle_lower_limit_updated(self, text):
        if (QIntValidator(0, 240, self).validate(text, 0) !=
                QIntValidator.State.Acceptable):
            return

        if int(text) > int(self.angle_upper_limit_textentry.text()):
            return

        self.active_servo.set_angle_limits(
            int(text), int(self.angle_upper_limit_textentry.text()))

    @catch_disconnection
    def angle_upper_limit_updated(self, text):
        if (QIntValidator(0, 240, self).validate(text, 0) !=
                QIntValidator.State.Acceptable):
            return

        if int(text) < int(self.angle_lower_limit_textentry.text()):
            return

        self.active_servo.set_angle_limits(
            int(self.angle_lower_limit_textentry.text()), int(text))

    @catch_disconnection
    def vin_lower_limit_updated(self, text):
        if (QIntValidator(4500, 12000, self).validate(text, 0) !=
                QIntValidator.State.Acceptable):
            return

        if int(text) > int(self.vin_upper_limit_textentry.text()):
            return

        self.active_servo.set_vin_limits(
            int(text), int(self.vin_upper_limit_textentry.text()))

    @catch_disconnection
    def vin_upper_limit_updated(self, text):
        if (QIntValidator(4500, 12000, self).validate(text, 0) !=
                QIntValidator.State.Acceptable):
            return

        if int(text) < int(self.vin_lower_limit_textentry.text()):
            return

        self.active_servo.set_vin_limits(
            int(self.vin_lower_limit_textentry.text()), int(text))

    @catch_disconnection
    def temp_limit_updated(self, text):
        if (QIntValidator(50, 100, self).validate(text, 0) !=
                QIntValidator.State.Acceptable):
            return

        self.active_servo.set_temp_limit(int(text))

    @catch_disconnection
    def servo_mode_radio_button_toggled(self, checked):
        if checked:
            self.active_servo.servo_mode()
            self.motor_speed_slider.setEnabled(False)
            self.position_slider.setEnabled(True)
            self.position_offset_slider.setEnabled(True)
        else:
            self.active_servo.motor_mode(int(self.motor_speed_slider.value()))
            self.motor_speed_slider.setEnabled(True)
            self.position_slider.setEnabled(False)
            self.position_offset_slider.setEnabled(False)

    @catch_disconnection
    def motor_mode_radio_button_toggled(self, checked):
        if checked:
            self.active_servo.motor_mode(int(self.motor_speed_slider.value()))
            self.motor_speed_slider.setEnabled(True)
            self.position_slider.setEnabled(False)
            self.position_offset_slider.setEnabled(False)
        else:
            self.active_servo.servo_mode()
            self.motor_speed_slider.setEnabled(False)
            self.position_slider.setEnabled(True)
            self.position_offset_slider.setEnabled(True)

    @catch_disconnection
    def motor_speed_slider_updated(self, pos):
        self.active_servo.motor_mode(pos)

    @catch_disconnection
    def torque_enabled_checkbox_toggled(self, checked):
        if checked:
            self.active_servo.enable_torque()
        else:
            self.active_servo.disable_torque()

        self.position_slider.setEnabled(checked)
        self.position_offset_slider.setEnabled(checked)
        self.servo_mode_radio_button.setEnabled(checked)
        self.motor_mode_radio_button.setEnabled(checked)
        self.motor_speed_slider.setEnabled(checked)

    @catch_disconnection
    def led_enabled_checkbox_toggled(self, checked):
        if checked:
            self.active_servo.led_power_on()
        else:
            self.active_servo.led_power_off()

    @catch_disconnection
    def led_error_triggers_checkbox_toggled(self):
        self.active_servo.set_led_error_triggers(
            self.led_over_voltage_checkbox.isChecked(),
            self.led_over_temp_checkbox.isChecked(),
            self.led_rotor_locked_checkbox.isChecked(),
        )

    @catch_disconnection
    def port_refresh_button_clicked(self, value):
        self.id_selection_box_refresh_button.setEnabled(False)
        self.disable_widgets()
        self.port_selection_box.clear()
        self.id_selection_box.clear()
        self.scan_for_ports()

    @catch_disconnection
    def id_refresh_button_clicked(self, value):
        self.disable_widgets()
        self.id_selection_box.clear()
        self.scan_for_servos(self.port_selection_box.currentText())

    @catch_disconnection
    def port_selection_box_changed(self, text):
        if text == "":
            return

        self.id_selection_box_refresh_button.setEnabled(True)
        self.disable_widgets()
        self.id_selection_box.clear()
        self.clear_servo()
        self.scan_for_servos(text)

    @catch_disconnection
    def id_selection_box_changed(self, text):
        if text == "":
            return

        self.enable_widgets()
        self.set_servo_id(text)
Exemplo n.º 8
0
class VentanaPrincipal(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.initGui()
    
    def initGui(self):
        self.setWindowTitle('Pizza & Ingredientes.')
        self.setFixedSize(400, 450)

        self.lbl_precio_base = QLabel('Precio base Pizza: $15', self)
        self.lbl_precio_base.move(50, 50)
        self.lbl_precio_base.setFixedWidth(300)

        self.lbl_adicionales = QLabel('Ingredientes Adicionales.', self)
        self.lbl_adicionales.move(80, 100)
        self.lbl_adicionales.setFixedWidth(300)

        self.cbx_1 = QCheckBox('Queso Mozzarela.    $1', self)
        self.cbx_1.move(80, 130)
        self.cbx_1.setFixedWidth(250)
        self.cbx_1.stateChanged.connect(self.calcular_total)

        self.cbx_2 = QCheckBox('Pepperoni.                $2', self)
        self.cbx_2.move(80, 160)
        self.cbx_2.setFixedWidth(250)
        self.cbx_2.stateChanged.connect(self.calcular_total)

        self.cbx_3 = QCheckBox('Tocineta.                   $3', self)
        self.cbx_3.move(80, 190)
        self.cbx_3.setFixedWidth(250)
        self.cbx_3.stateChanged.connect(self.calcular_total)

        self.lbl_total = QLabel('Valor del pedido:', self)
        self.lbl_total.move(50, 250)
        self.lbl_total.setFixedWidth(300)

        self.lbl_resultado = QLabel(self)
        self.lbl_resultado.move(50, 280)
        self.lbl_resultado.setFixedSize(300, 100)

    def calcular_total(self):
        pizza = 15
        adicion = 0

        if self.cbx_1.isChecked():
            adicion += 1
        if self.cbx_2.isChecked():
            adicion += 2
        if self.cbx_3.isChecked():
            adicion += 3
                


        

       

        total = float(adicion + pizza) 

        self.lbl_resultado.setText(f'Pizza:             USD ${float(pizza)}\nAdicionales:  USD ${float(adicion)}\n\nEl Precio Total de la Pizza es de USD ${total}')
Exemplo n.º 9
0
class Ventana_Calculadora(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.initUi()

    def initUi(self):
        self.setWindowTitle('Calculadora Suma 💻')
        self.setFixedSize(300, 400)

        self.lbl_numero_1 = QLabel('Número 1: ', self)
        self.lbl_numero_1.move(50, 50)

        self.lbl_numero_2 = QLabel('Número 2: ', self)
        self.lbl_numero_2.move(50, 100)

        self.txt_numero_1 = QLineEdit(self)
        self.txt_numero_1.setFixedWidth(100)
        self.txt_numero_1.move(150, 50)

        self.txt_numero_2 = QLineEdit(self)
        self.txt_numero_2.setFixedWidth(100)
        self.txt_numero_2.move(150, 100)

        self.btn_sumar = QPushButton('Sumar', self)
        self.btn_sumar.setFixedWidth(100)
        self.btn_sumar.move(100, 170)
        self.btn_sumar.clicked.connect(self.sumar)  # Evento Click

        self.lbl_resultado = QLabel('Resultado: ', self)
        self.lbl_resultado.move(50, 250)

        self.lbl_resultado = QLabel(self)
        self.lbl_resultado.setFixedWidth(100)
        self.lbl_resultado.move(150, 250)
        #self.lbl_resultado.setEnabled(False)

    def sumar(self):
        numero_1 = self.txt_numero_1.text().strip()
        numero_2 = self.txt_numero_2.text().strip()

        mensaje = QMessageBox()
        mensaje.setWindowTitle('Algo salió mal...')

        if len(numero_1):
            if len(numero_2):

                try:
                    numero_1 = float(numero_1)
                except:
                    mensaje.setIcon(QMessageBox.Icon.Warning)
                    mensaje.setText(
                        'El número 1 debe ser un valor numérico...')
                    mensaje.exec()
                    return

                try:
                    numero_2 = float(numero_2)
                except:
                    mensaje.setIcon(QMessageBox.Icon.Warning)
                    mensaje.setText(
                        'El número 2 debe ser un valor numérico...')
                    mensaje.exec()
                    return

                resultado = numero_1 + numero_2
                self.lbl_resultado.setText(str(resultado))

            else:
                mensaje.setIcon(QMessageBox.Icon.Warning)
                mensaje.setText('Debes digitar el Número 2...')
                mensaje.exec()

        else:
            mensaje.setIcon(QMessageBox.Icon.Warning)
            mensaje.setText('Debes digitar el Número 1...')
            mensaje.exec()
Exemplo n.º 10
0
class VideoWindow(QMainWindow):
    def __init__(self, parent=None):
        super(VideoWindow, self).__init__(parent)
        self.setWindowTitle("StudioProject")
        self.statusBar = QStatusBar()
        self.setStatusBar(self.statusBar)
        self.gScene = QGraphicsScene(self)
        self.gView = GraphicView(self.gScene, self)
        self.gView.viewport().setAttribute(
            Qt.WidgetAttribute.WA_AcceptTouchEvents, False)
        # self.gView.setBackgroundBrush(QBrush(Qt.black))

        self.videoStartDatetime = None
        self.videoCurrentDatetime = None

        self.projectFile = ''
        self.graphicsFile = ''
        self.videoFile = ''

        self.obsTb = ObsToolbox(self)

        # # ===================== Setting video item ==============================
        # self.videoItem = QGraphicsVideoItem()
        # self.videoItem.setAspectRatioMode(Qt.KeepAspectRatio)
        # self.gScene.addItem(self.videoItem)
        # self.videoItem.mouseMoveEvent = self.gView.mouseMoveEvent

        self.mediaPlayer = QMediaPlayer(self)
        # self.mediaPlayer.setVideoOutput(self.videoItem)
        self.mediaPlayer.playbackStateChanged.connect(self.mediaStateChanged)
        self.mediaPlayer.positionChanged.connect(self.positionChanged)
        self.mediaPlayer.durationChanged.connect(self.durationChanged)
        self.mediaPlayer.errorOccurred.connect(self.handleError)
        # self.mediaPlayer.setMuted(True)
        # self.mediaPlayer.setNotifyInterval(100)

        self.playButton = QPushButton()
        self.playButton.setEnabled(False)
        self.playButton.setIcon(self.style().standardIcon(
            QStyle.StandardPixmap.SP_MediaPlay))
        self.playButton.clicked.connect(self.play)

        self.changePlayRateBtn = QPushButton('1x')
        self.changePlayRateBtn.setFixedWidth(40)
        # self.incrPlayRateBtn.setEnabled(False)
        self.changePlayRateBtn.clicked.connect(self.changePlayRate)

        self.positionSlider = QSlider(Qt.Orientation.Horizontal)
        self.positionSlider.setRange(0, 0)
        self.positionSlider.sliderMoved.connect(self.setPosition)

        self.timerLabel = QLabel()
        self.timerLabel.setText('--:--:--')
        self.timerLabel.setFixedWidth(58)

        self.dateLabel = QLabel()
        self.dateLabel.setText('Video date: --')
        self.statusBar.addPermanentWidget(self.dateLabel)

        # Create open action
        self.openVideoAction = QAction(QIcon('icons/video-file.png'),
                                       'Open video', self)
        self.openVideoAction.setShortcut('Ctrl+O')
        self.openVideoAction.setStatusTip('Open video file')
        self.openVideoAction.triggered.connect(self.openVideoFile)

        # Create observation action
        obsTbAction = QAction(QIcon('icons/checklist.png'),
                              'Observation toolbox', self)
        obsTbAction.setStatusTip('Open observation toolbox')
        obsTbAction.triggered.connect(self.openObsToolbox)

        self.drawPointAction = QAction(QIcon('icons/drawPoint.png'),
                                       'Draw point', self)
        self.drawPointAction.setStatusTip('Draw point over the video')
        self.drawPointAction.setCheckable(True)
        self.drawPointAction.setEnabled(False)
        self.drawPointAction.triggered.connect(self.drawingClick)

        self.drawLineAction = QAction(QIcon('icons/drawLine.png'), 'Draw line',
                                      self)
        self.drawLineAction.setStatusTip('Draw line over the video')
        self.drawLineAction.setCheckable(True)
        self.drawLineAction.setEnabled(False)
        self.drawLineAction.triggered.connect(self.drawingClick)

        self.drawZoneAction = QAction(QIcon('icons/drawZone.png'), 'Draw zone',
                                      self)
        self.drawZoneAction.setStatusTip('Draw zone over the video')
        self.drawZoneAction.setCheckable(True)
        self.drawZoneAction.setEnabled(False)
        self.drawZoneAction.triggered.connect(self.drawingClick)

        self.maskGenAction = QAction(QIcon('icons/mask.png'),
                                     'Generate mask file', self)
        self.maskGenAction.setStatusTip(
            'Generate mask file for TrafficIntelligence')
        self.maskGenAction.setCheckable(True)
        self.maskGenAction.setEnabled(False)
        self.maskGenAction.triggered.connect(self.generateMask)

        actionGroup = QActionGroup(self)
        actionGroup.addAction(self.drawPointAction)
        actionGroup.addAction(self.drawLineAction)
        actionGroup.addAction(self.drawZoneAction)

        openProjectAction = QAction(QIcon('icons/open-project.png'),
                                    'Open project', self)
        openProjectAction.setStatusTip('Open project')
        openProjectAction.triggered.connect(self.openProject)

        self.saveProjectAction = QAction(QIcon('icons/save-project.png'),
                                         'Save project', self)
        self.saveProjectAction.setStatusTip('Save project')
        self.saveProjectAction.setEnabled(False)
        self.saveProjectAction.triggered.connect(self.saveProject)

        self.saveGraphAction = QAction(QIcon('icons/save-graphics.png'),
                                       'Save graphics', self)
        self.saveGraphAction.setStatusTip('Save graphics to database')
        self.saveGraphAction.setEnabled(False)
        self.saveGraphAction.triggered.connect(self.saveGraphics)

        self.loadGraphAction = QAction(QIcon('icons/folders.png'),
                                       'Load graphics', self)
        self.loadGraphAction.setStatusTip('Load graphics from database')
        self.loadGraphAction.setEnabled(False)
        self.loadGraphAction.triggered.connect(self.loadGraphics)

        # Create exit action
        exitAction = QAction(QIcon('icons/close.png'), 'Exit', self)
        exitAction.setShortcut('Ctrl+Q')
        exitAction.setStatusTip('Exit application')
        exitAction.triggered.connect(self.exitCall)  # self.exitCall

        # Create menu bar and add action
        # menuBar = self.menuBar()
        # menuBar.setNativeMenuBar(False)
        # fileMenu = menuBar.addMenu('&File')
        # fileMenu.addAction(openVideoAction)
        # fileMenu.addAction(obsTbAction)
        # fileMenu.addAction(exitAction)

        self.toolbar = self.addToolBar('Tools')
        self.toolbar.setIconSize(QSize(24, 24))
        self.toolbar.addAction(openProjectAction)
        self.toolbar.addAction(self.saveProjectAction)
        self.toolbar.addAction(self.openVideoAction)

        # self.toolbar.insertSeparator(self.loadGraphAction)
        # self.toolbar.addAction(self.loadGraphAction)
        # self.toolbar.addAction(self.saveGraphAction)
        # self.toolbar.addAction(self.drawPointAction)
        # self.toolbar.addAction(self.drawLineAction)
        # self.toolbar.addAction(self.drawZoneAction)
        self.toolbar.addAction(self.maskGenAction)
        # self.toolbar.insertSeparator(self.drawPointAction)

        self.toolbar.insertSeparator(obsTbAction)
        self.toolbar.addAction(obsTbAction)

        self.toolbar.insertSeparator(exitAction)
        self.toolbar.addAction(exitAction)

        # Create a widget for window contents
        wid = QWidget(self)
        self.setCentralWidget(wid)

        # Create layouts to place inside widget
        controlLayout = QHBoxLayout()
        controlLayout.setContentsMargins(0, 0, 0, 0)
        # controlLayout.addWidget(self.decrPlayRateBtn)
        controlLayout.addWidget(self.playButton)
        controlLayout.addWidget(self.changePlayRateBtn)
        controlLayout.addWidget(self.timerLabel)
        controlLayout.addWidget(self.positionSlider)
        # controlLayout.addWidget(self.durationLabel)

        layout = QVBoxLayout()
        layout.addWidget(self.gView)
        layout.addLayout(controlLayout)

        # Set widget to contain window contents
        wid.setLayout(layout)

    # def showEvent(self, event):
    # self.gView.fitInView(self.videoItem, Qt.KeepAspectRatio)

    def openVideoFile(self):
        # self.mediaPlayer.setMedia(QMediaContent())
        if self.sender() == self.openVideoAction:
            self.videoFile, _ = QFileDialog.getOpenFileName(
                self, "Open video", QDir.homePath())
            # if self.videoFile != '':
            #     self.setWindowTitle('{} - {}'.format(os.path.basename(self.videoFile),
            #                                          os.path.basename(self.projectFile)))

        if self.videoFile != '':
            self.setWindowTitle('{} - {}'.format(
                os.path.basename(self.videoFile),
                os.path.basename(self.projectFile)))
            self.saveProjectAction.setEnabled(True)
            self.maskGenAction.setEnabled(True)
            # self.loadGraphAction.setEnabled(True)
            # self.saveGraphAction.setEnabled(True)
            # self.drawPointAction.setEnabled(True)
            # self.drawLineAction.setEnabled(True)
            # self.drawZoneAction.setEnabled(True)

            creation_datetime, width, height = getVideoMetadata(self.videoFile)
            self.videoStartDatetime = self.videoCurrentDatetime = creation_datetime
            self.dateLabel.setText(creation_datetime.strftime('%a, %b %d, %Y'))

            self.gView.setSceneRect(0, 0, width, height)

            self.videoItem = QGraphicsVideoItem()
            self.videoItem.setAspectRatioMode(
                Qt.AspectRatioMode.KeepAspectRatio)
            self.gScene.addItem(self.videoItem)
            self.videoItem.mouseMoveEvent = self.gView.mouseMoveEvent
            self.videoItem.setSize(QSizeF(width, height))

            self.mediaPlayer.setVideoOutput(self.videoItem)
            self.mediaPlayer.setSource(QUrl.fromLocalFile(self.videoFile))

            self.gView.labelSize = width / 50

            self.playButton.setEnabled(True)
            # self.gView.setViewport(QOpenGLWidget())
            self.mediaPlayer.pause()

    def exitCall(self):
        # sys.exit(app.exec())
        # self.mediaPlayer.pause()
        self.close()

    def play(self):
        # self.gView.fitInView(self.videoItem, Qt.KeepAspectRatio)

        if self.mediaPlayer.playbackState(
        ) == QMediaPlayer.PlaybackState.PlayingState:
            self.mediaPlayer.pause()

        else:
            self.mediaPlayer.play()

    def changePlayRate(self):
        if self.mediaPlayer.playbackRate() < 2:
            r = self.mediaPlayer.playbackRate() + 0.5
            self.mediaPlayer.setPlaybackRate(r)
            self.changePlayRateBtn.setText('{:g}x'.format(r))
            self.statusBar.showMessage('Play back rate = {:g}x'.format(r),
                                       2000)
        elif self.mediaPlayer.playbackRate() == 2:
            self.mediaPlayer.setPlaybackRate(1)
            self.changePlayRateBtn.setText('{}x'.format(1))
            self.statusBar.showMessage('Play back rate = {}x'.format(1), 2000)

    def mediaStateChanged(self, state):
        if self.mediaPlayer.playbackState(
        ) == QMediaPlayer.PlaybackState.PlayingState:
            self.playButton.setIcon(self.style().standardIcon(
                QStyle.StandardPixmap.SP_MediaPause))
        else:
            self.playButton.setIcon(self.style().standardIcon(
                QStyle.StandardPixmap.SP_MediaPlay))

    def positionChanged(self, position):
        self.positionSlider.setValue(position)
        s, m, h = self.convertMillis(position)
        self.videoCurrentDatetime = self.videoStartDatetime + \
                                    timedelta(hours=h, minutes=m, seconds=s)
        self.timerLabel.setText('{:02d}:{:02d}:{:02d}'.format(
            self.videoCurrentDatetime.time().hour,
            self.videoCurrentDatetime.time().minute,
            self.videoCurrentDatetime.time().second))

    def durationChanged(self, duration):
        self.positionSlider.setRange(0, duration)

        # s, m, h = self.convertMillis(duration)
        # self.durationLabel.setText('{:02d}:{:02d}'.format(m, s))

    def setPosition(self, position):
        self.mediaPlayer.setPosition(position)

    def handleError(self):
        self.playButton.setEnabled(False)
        # self.errorLabel.setText("Error: " + self.mediaPlayer.errorString())

    def openObsToolbox(self):
        if not self.obsTb.isVisible():
            self.obsTb.show()

    def drawingClick(self):
        # if self.sender() == self.drawLineAction:
        #     self.labelingAction.setChecked(False)
        # else:
        #     self.drawLineAction.setChecked(False)
        cursor = QCursor(Qt.CursorShape.CrossCursor)
        self.gView.setCursor(cursor)

    def generateMask(self):
        if not self.sender().isChecked():
            self.gView.unsetCursor()
            return
        cursor = QCursor(Qt.CursorShape.CrossCursor)
        self.gView.setCursor(cursor)

        # dbfilename = self.obsTb.dbFilename
        # if dbfilename != None:
        #     self.session = connectDatabase(dbfilename)
        # else:
        #     msg = QMessageBox()
        #     msg.setIcon(QMessageBox.Information)
        #     msg.setText('The database file is not defined.')
        #     msg.setInformativeText('In order to set the database file, open the Observation Toolbox')
        #     msg.setIcon(QMessageBox.Critical)
        #     msg.exec_()
        #     return

        # if self.gView.unsavedLines == [] and self.gView.unsavedZones == [] and \
        #         self.gView.unsavedPoints == []:
        #     QMessageBox.information(self, 'Save', 'There is no polygon to generate mask!')
        #     return

    def saveMaskFile(self):
        creation_datetime, width, height = getVideoMetadata(self.videoFile)
        item = self.gView.gPolyItem  #self.gView.unsavedZones[0]
        mask_polygon = item.polygon()
        xy = []
        for p in mask_polygon:
            xy.append((p.x(), p.y()))

        img = Image.new('RGB', (width, height), color='black')
        img1 = ImageDraw.Draw(img)
        img1.polygon(xy, fill="white", outline="white")

        fileName, _ = QFileDialog.getSaveFileName(self, "Open database file",
                                                  QDir.homePath(),
                                                  "PNG files (*.png)")
        if fileName != '':
            img.save(fileName)

        self.gView.scene().removeItem(item)
        self.gView.unsavedZones = []

    def openProject(self):
        self.projectFile, _ = QFileDialog.getOpenFileName(
            self, "Open project file", QDir.homePath(), "Project (*.prj)")

        if self.projectFile == '':
            return

        self.saveProjectAction.setEnabled(True)
        self.maskGenAction.setEnabled(True)
        # self.loadGraphAction.setEnabled(True)
        # self.saveGraphAction.setEnabled(True)
        # self.drawPointAction.setEnabled(True)
        # self.drawLineAction.setEnabled(True)
        # self.drawZoneAction.setEnabled(True)

        tree = ET.parse(self.projectFile)
        root = tree.getroot()
        gItems = []
        for elem in root:
            subEelTexts = {}
            for subelem in elem:
                subEelTexts[subelem.tag] = subelem.text
            gItems.append([elem.tag, subEelTexts])

        for key in gItems:
            if key[0] == 'database':
                item = key[1]
                if item['fileName'] is not None:
                    self.obsTb.dbFilename = item['fileName']
                    self.obsTb.opendbFile()

            elif key[0] == 'video':
                item = key[1]
                if item['fileName'] is not None:
                    self.videoFile = item['fileName']
                    self.openVideoFile()
                    self.mediaPlayer.setPosition(int(item['sliderValue']))
                    if item['fileName'] is not None:
                        self.loadGraphics()

            elif key[0] == 'trajectory':
                item = key[1]
                if item['metadata'] != None:
                    self.obsTb.mdbFileLedit.setText(item['metadata'])
                    self.obsTb.openMdbFile()
                    self.obsTb.siteNameCombobx.setCurrentIndex(
                        int(item['site']))
                    self.obsTb.camViewCombobx.setCurrentIndex(
                        int(item['cam_view']))
                    self.obsTb.trjDbCombobx.setCurrentIndex(
                        int(item['traj_db']))

            elif key[0] == 'window':
                item = key[1]
                x, y = item['mainWin_pos'].split(',')
                w, h = item['mainWin_size'].split(',')
                self.setGeometry(int(x), int(y), int(w), int(h))
                if item['obsTbx_open'] == 'True':
                    self.obsTb.show()
                    x, y = item['obsTbx_pos'].split(',')
                    w, h = item['obsTbx_size'].split(',')
                    self.obsTb.setGeometry(int(x), int(y), int(w), int(h))

        # self.setWindowTitle('{} - {}'.format(os.path.basename(self.videoFile),
        #                                      os.path.basename(self.projectFile)))

    def saveProject(self):

        if self.projectFile == '':
            fileDir = QDir.homePath()
        else:
            fileDir = self.projectFile

        self.projectFile, _ = QFileDialog.getSaveFileName(
            self, "Save project file", fileDir, "Project (*.prj)")
        # fileName = "/Users/Abbas/project.xml"
        if self.projectFile == '':
            return

        file = QFile(self.projectFile)
        if (not file.open(QIODevice.OpenModeFlag.WriteOnly
                          | QIODevice.OpenModeFlag.Text)):
            return

        xmlWriter = QXmlStreamWriter(file)
        xmlWriter.setAutoFormatting(True)
        xmlWriter.writeStartDocument()

        xmlWriter.writeStartElement('project')

        xmlWriter.writeStartElement('database')
        xmlWriter.writeTextElement("fileName", self.obsTb.dbFilename)
        xmlWriter.writeEndElement()

        xmlWriter.writeStartElement('video')
        xmlWriter.writeTextElement(
            "fileName",
            self.videoFile)  #mediaPlayer.media().canonicalUrl().path())
        xmlWriter.writeTextElement("sliderValue",
                                   str(self.mediaPlayer.position()))
        xmlWriter.writeEndElement()

        xmlWriter.writeStartElement('trajectory')
        xmlWriter.writeTextElement("metadata", self.obsTb.mdbFileLedit.text())
        xmlWriter.writeTextElement(
            "site", str(self.obsTb.siteNameCombobx.currentIndex()))
        xmlWriter.writeTextElement(
            "cam_view", str(self.obsTb.camViewCombobx.currentIndex()))
        xmlWriter.writeTextElement("traj_db",
                                   str(self.obsTb.trjDbCombobx.currentIndex()))
        xmlWriter.writeEndElement()

        xmlWriter.writeStartElement('window')
        xmlWriter.writeTextElement(
            "mainWin_size", "{},{}".format(int(self.width()),
                                           int(self.height())))
        xmlWriter.writeTextElement(
            "mainWin_pos", "{},{}".format(int(self.x()), int(self.y())))
        xmlWriter.writeTextElement("obsTbx_open", str(self.obsTb.isVisible()))
        xmlWriter.writeTextElement(
            "obsTbx_size", "{},{}".format(int(self.obsTb.width()),
                                          int(self.obsTb.height())))
        xmlWriter.writeTextElement(
            "obsTbx_pos", "{},{}".format(int(self.obsTb.x()),
                                         int(self.obsTb.y())))
        xmlWriter.writeEndElement()

        xmlWriter.writeEndElement()

        self.setWindowTitle('{} - {}'.format(
            os.path.basename(self.videoFile),
            os.path.basename(self.projectFile)))
        if self.obsTb.dbFilename != None:
            self.obsTb.setWindowTitle('{} - {}'.format(
                os.path.basename(self.obsTb.dbFilename),
                os.path.basename(self.projectFile)))

    def saveGraphics(self):
        dbfilename = self.obsTb.dbFilename
        if dbfilename != None:
            self.session = connectDatabase(dbfilename)
        else:
            msg = QMessageBox()
            msg.setIcon(QMessageBox.Information)
            msg.setText('The database file is not defined.')
            msg.setInformativeText(
                'In order to set the database file, open the Observation Toolbox'
            )
            msg.setIcon(QMessageBox.Critical)
            msg.exec_()
            return

        if self.gView.unsavedLines == [] and self.gView.unsavedZones == [] and \
                self.gView.unsavedPoints == []:
            QMessageBox.information(self, 'Save',
                                    'No new graphical items to save!')
            return

        for item in self.gView.unsavedLines:
            x1 = round(item.line().x1(), 2)
            y1 = round(item.line().y1(), 2)
            x2 = round(item.line().x2(), 2)
            y2 = round(item.line().y2(), 2)
            line = Line(None, None, x1, y1, x2, y2)
            self.session.add(line)
            self.session.flush()
            label = self.generate_itemGroup([x1, x2], [y1, y2], line.idx)
            self.gView.scene().addItem(label)

        for item in self.gView.unsavedZones:
            xs = []
            ys = []
            for p in item.polygon():
                xs.append(round(p.x(), 2))
                ys.append(round(p.y(), 2))
            zone = Zone(None, None, xs, ys)
            self.session.add(zone)
            self.session.flush()

            label = self.generate_itemGroup(xs, ys, zone.idx)
            self.gView.scene().addItem(label)

        for item in self.gView.unsavedPoints:
            x = round(item.rect().center().x(), 2)
            y = round(item.rect().center().y(), 2)

            point = Point(x, y)
            self.session.add(point)
            self.session.flush()

            label = self.generate_itemGroup([x], [y], point.idx)
            self.gView.scene().removeItem(item)
            self.gView.scene().addItem(label)

        QMessageBox.information(
            self, 'Save',
            '{} point(s), {} line(s) and {} zone(s) saved to database successfully!'
            .format(len(self.gView.unsavedPoints),
                    len(self.gView.unsavedLines),
                    len(self.gView.unsavedZones)))
        self.gView.unsavedLines = []
        self.gView.unsavedZones = []
        self.gView.unsavedPoints = []

        self.session.commit()

    def generate_itemGroup(self, xs, ys, label, type):
        gItemGroup = QGraphicsItemGroup()

        pointBbx = QRectF()
        pointBbx.setSize(QSizeF(self.gView.labelSize, self.gView.labelSize))

        textLabel = QGraphicsTextItem(label)

        if len(xs) == 1:
            pointBbx.moveCenter(QPointF(xs[0], ys[0]))
            textLabel.setPos(xs[0] - (textLabel.boundingRect().width() / 2),
                             ys[0] - (textLabel.boundingRect().height() / 2))

            pointShape = QGraphicsEllipseItem(pointBbx)
            shapeColor = Qt.GlobalColor.white
            textColor = Qt.GlobalColor.black
            tooltip = 'P{}:{}'
        elif len(xs) == 2:
            pointBbx.moveCenter(QPointF(xs[1], ys[1]))
            textLabel.setPos(xs[1] - (textLabel.boundingRect().width() / 2),
                             ys[1] - (textLabel.boundingRect().height() / 2))

            r, g, b = np.random.choice(range(256), size=3)
            line_item = QGraphicsLineItem(xs[0], ys[0], xs[1], ys[1])
            line_item.setPen(
                QPen(QColor(r, g, b, 128), self.gView.labelSize / 6))
            gItemGroup.addToGroup(line_item)

            # line_end = QGraphicsEllipseItem(xs[1], ys[1],
            #                                 int(self.gView.labelSize/3), int(self.gView.labelSize/3))
            # line_end.setPen(QPen(QColor(r, g, b), 0.5))
            # line_end.setBrush(QBrush(QColor(r, g, b)))
            # gItemGroup.addToGroup(line_end)

            pointShape = QGraphicsEllipseItem(pointBbx)
            shapeColor = QColor(r, g, b, 128)
            textColor = Qt.GlobalColor.black
            tooltip = 'L{}:{}'
            # textLabel.setRotation(np.arctan((ys[1] - ys[0])/(xs[1] - xs[0]))*(180/3.14))
        else:
            pointBbx.moveCenter(QPointF(np.mean(xs), np.mean(ys)))
            textLabel.setPos(
                np.mean(xs) - (textLabel.boundingRect().width() / 2),
                np.mean(ys) - (textLabel.boundingRect().height() / 2))

            points = [QPointF(x, y) for x, y in zip(xs, ys)]
            polygon = QPolygonF(points)
            r, g, b = np.random.choice(range(256), size=3)
            zone_item = QGraphicsPolygonItem(polygon)
            zone_item.setPen(QPen(QColor(r, g, b), self.gView.labelSize / 10))
            zone_item.setBrush(QBrush(QColor(r, g, b, 40)))
            gItemGroup.addToGroup(zone_item)

            pointShape = QGraphicsRectItem(pointBbx)
            shapeColor = Qt.GlobalColor.darkBlue
            textColor = Qt.GlobalColor.white
            tooltip = 'Z{}:{}'

        pointShape.setPen(QPen(Qt.GlobalColor.white, 0.5))
        pointShape.setBrush(QBrush(shapeColor))
        # self.gView.scene().addEllipse(pointBbx, QPen(Qt.white, 0.5), QBrush(Qt.black))
        gItemGroup.setToolTip(tooltip.format(label, type))
        gItemGroup.addToGroup(pointShape)

        labelFont = QFont()
        labelFont.setPointSize(round(self.gView.labelSize / 2))
        labelFont.setBold(True)

        textLabel.setFont(labelFont)
        textLabel.setDefaultTextColor(textColor)

        gItemGroup.addToGroup(textLabel)
        return gItemGroup

    def loadGraphics(self):
        dbfilename = self.obsTb.dbFilename
        if dbfilename != None:
            self.session = connectDatabase(dbfilename)
        else:
            msg = QMessageBox()
            # msg.setIcon(QMessageBox.Icon.Information)
            msg.setText('The database file is not defined.')
            msg.setInformativeText(
                'In order to set the database file, open the Observation Toolbox'
            )
            msg.setIcon(QMessageBox.Icon.Critical)
            msg.exec()
            return

        for gitem in self.gView.scene().items():
            if isinstance(gitem, QGraphicsItemGroup):
                self.gView.scene().removeItem(gitem)

        q_line = self.session.query(Line)
        q_zone = self.session.query(Zone)
        if q_line.all() == [] and q_zone.all() == []:
            QMessageBox.information(self, 'Warning!',
                                    'There is no graphics to load!')
            return

        line_items = []
        for line in q_line:
            p1 = line.points[0]
            p2 = line.points[1]

            if line.type != None:
                lineType = line.type.name
            else:
                lineType = None
            gItmGroup = self.generate_itemGroup([p1.x, p2.x], [p1.y, p2.y],
                                                str(line.idx), lineType)
            self.gScene.addItem(gItmGroup)

            line_items.append(str(line.idx))

        self.obsTb.line_list_wdgt.clear()
        self.obsTb.line_list_wdgt.addItems(line_items)
        self.obsTb.line_list_wdgt.setCurrentRow(0)

        self.obsTb.line_newRecButton.setEnabled(False)
        self.obsTb.line_saveButton.setEnabled(True)
        self.obsTb.line_saveButton.setText('Edit line(s)')
        self.obsTb.line_saveButton.setIcon(QIcon('icons/edit.png'))

        zone_items = []
        for zone in q_zone:
            if zone.type != None:
                zoneType = zone.type.name
            else:
                zoneType = None
            gItmGroup = self.generate_itemGroup(
                [point.x for point in zone.points],
                [point.y for point in zone.points], str(zone.idx), zoneType)
            self.gScene.addItem(gItmGroup)

            zone_items.append(str(zone.idx))

        self.obsTb.zone_list_wdgt.clear()
        self.obsTb.zone_list_wdgt.addItems(zone_items)
        self.obsTb.zone_list_wdgt.setCurrentRow(0)

        self.obsTb.zone_newRecButton.setEnabled(False)
        self.obsTb.zone_saveButton.setEnabled(True)
        self.obsTb.zone_saveButton.setText('Edit zone(s)')
        self.obsTb.zone_saveButton.setIcon(QIcon('icons/edit.png'))

    @staticmethod
    def convertMillis(millis):
        seconds = int(millis / 1000) % 60
        minutes = int(millis / (1000 * 60)) % 60
        hours = int(millis / (1000 * 60 * 60)) % 24
        return seconds, minutes, hours