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()}.' )
class VentanaPrincipal(QMainWindow): def __init__(self): QMainWindow.__init__(self) self.initUi() def initUi(self): self.setWindowTitle('Demo QLineEdit') self.setFixedSize(400, 400) self.txt_mensaje = QLineEdit(self) self.txt_mensaje.setFixedWidth(300) self.txt_mensaje.move(50, 150)
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))
class VentanaPrincipal(QMainWindow): def __init__(self): QMainWindow.__init__(self) self.initUi() def initUi(self): self.setWindowTitle('Demo Ventana de Saludo!!!') self.setFixedSize(400, 400) self.lbl_nombre = QLabel('Nombre: ', self) self.lbl_nombre.move(75, 50) self.txt_nombre = QLineEdit(self) self.txt_nombre.setFixedWidth(250) self.txt_nombre.move(75, 80) self.btn_saludar = QPushButton('Saludar', self) self.btn_saludar.setFixedWidth(250) self.btn_saludar.move(75, 120) self.btn_saludar.clicked.connect(self.mostrar_saludo) def mostrar_saludo(self): nombre = self.txt_nombre.text().strip() mensaje = QMessageBox() mensaje.setWindowTitle('Bienvenido!!!') if len(nombre): mensaje.setText(f'Hola, {nombre}!!!') mensaje.setIcon(QMessageBox.Icon.Information) else: mensaje.setText(f'No ha ingresado un nombre aún...') mensaje.setIcon(QMessageBox.Icon.Warning) mensaje.exec()
class NodeWidget(QWidget): def __init__(self, ID=0): super(NodeWidget, self).__init__() laytout = QHBoxLayout() self.input_id = QLineEdit(str(ID)) self.input_id.setFixedWidth(30) self.input_text = QLineEdit("") self.input_text.setFixedHeight(20) self.input_text.setFixedWidth(400) self.input_type = QComboBox() self.input_type.addItem('开始/结束') self.input_type.addItem('流程') self.input_type.addItem('判定') self.input_type.addItem('None') self.input_type.setFixedWidth(80) self.input_x = QLineEdit("0") self.input_x.setFixedWidth(30) self.input_y = QLineEdit("0") self.input_y.setFixedWidth(30) self.input_link1 = QLineEdit("") self.input_link1.setFixedWidth(30) self.input_link2 = QLineEdit("") self.input_link2.setFixedWidth(30) laytout.addWidget(self.input_id) laytout.addWidget(self.input_text) laytout.addWidget(self.input_type) laytout.addWidget(self.input_x) laytout.addWidget(self.input_y) laytout.addWidget(self.input_link1) laytout.addWidget(self.input_link2) laytout.addStretch() laytout.setContentsMargins(0, 0, 0, 0) self.setLayout(laytout) self.data = [] def get_node_info(self): print("读取数据") self.data.append(int(self.input_id.text())) self.data.append(self.input_text.text()) if '开始/结束' == self.input_type.currentText(): self.data.append(2) print("开始/结束") elif '流程' == self.input_type.currentText(): self.data.append(0) print("流程") elif '判定' == self.input_type.currentText(): self.data.append(1) print("判定") else: print("None") self.data.append(3) print("===1===") self.data.append(int(self.input_x.text())) self.data.append(int(self.input_y.text())) if self.input_link1.text(): self.data.append(int(self.input_link1.text())) if self.input_link2.text(): self.data.append(int(self.input_link2.text())) print(self.data) return self.data
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)
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()