class Example(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
col = QColor(0, 0, 0)
self.btn = QPushButton('Dialog', self)
self.btn.move(20, 20)
self.btn.clicked.connect(self.showDialog)
self.frm = QFrame(self)
self.frm.setStyleSheet("QWidget { background-color: %s }" % col.name())
self.frm.setGeometry(130, 22, 200, 200)
self.setGeometry(300, 300, 450, 350)
self.setWindowTitle('Color dialog')
self.show()
def showDialog(self):
col = QColorDialog.getColor()
if col.isValid():
self.frm.setStyleSheet("QWidget { background-color: %s }" %
col.name())
def initUI(self):
qbtn = QPushButton('Quit', self)
qbtn.clicked.connect(QApplication.instance().quit)
qbtn.resize(qbtn.sizeHint())
qbtn.move(50, 50)
self.setGeometry(300, 300, 350, 250)
self.setWindowTitle('Quit button')
self.show()
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()}.'
)
def initUI(self):
QToolTip.setFont(QFont('SansSerif', 10))
self.setToolTip('This is a <b>QWidget</b> widget')
btn = QPushButton('Button', self)
btn.setToolTip('This is a <b>QPushButton</b> widget')
btn.resize(btn.sizeHint())
btn.move(50, 50)
self.setGeometry(300, 300, 300, 200)
self.setWindowTitle('Tooltips')
self.show()
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))
def initUI(self):
btn1 = QPushButton("Button 1", self)
btn1.move(30, 50)
btn2 = QPushButton("Button 2", self)
btn2.move(150, 50)
btn1.clicked.connect(self.buttonClicked)
btn2.clicked.connect(self.buttonClicked)
self.statusBar()
self.setGeometry(300, 300, 450, 350)
self.setWindowTitle('Event sender')
self.show()
class VentanaPrincipal(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.initUi()
def initUi(self):
self.setWindowTitle('Demo QPushButton')
self.setFixedSize(400, 400)
self.btn_mostrar_mensaje = QPushButton('Mostrar mensaje', self)
self.btn_mostrar_mensaje.setFixedWidth(150)
self.btn_mostrar_mensaje.move(125, 150)
self.btn_mostrar_mensaje.clicked.connect(self.mostrar_mensaje)
def mostrar_mensaje(self):
print('\nEl usuario ha presionado el boton para mostrar mensaje...\n')
def initUI(self):
vbox = QVBoxLayout()
btn = QPushButton('Dialog', self)
btn.setSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Fixed)
btn.move(20, 20)
vbox.addWidget(btn)
btn.clicked.connect(self.showDialog)
self.lbl = QLabel('Knowledge only matters', self)
self.lbl.move(130, 20)
vbox.addWidget(self.lbl)
self.setLayout(vbox)
self.setGeometry(300, 300, 450, 350)
self.setWindowTitle('Font dialog')
self.show()
def initUI(self):
self.col = QColor(0, 0, 0)
redb = QPushButton('Red', self)
redb.setCheckable(True)
redb.move(10, 10)
redb.clicked[bool].connect(self.setColor)
greenb = QPushButton('Green', self)
greenb.setCheckable(True)
greenb.move(10, 60)
greenb.clicked[bool].connect(self.setColor)
blueb = QPushButton('Blue', self)
blueb.setCheckable(True)
blueb.move(10, 110)
blueb.clicked[bool].connect(self.setColor)
self.square = QFrame(self)
self.square.setGeometry(150, 20, 100, 100)
self.square.setStyleSheet("QWidget { background-color: %s }" %
self.col.name())
self.setGeometry(300, 300, 300, 250)
self.setWindowTitle('Toggle button')
self.show()
class VentanaPrincipal(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.initUi()
def initUi(self):
self.setWindowTitle('Demo QMessageBox')
self.setFixedSize(400, 400)
self.btn_mostrar_mensaje = QPushButton('Mostrar mensaje', self)
self.btn_mostrar_mensaje.move(125, 150)
self.btn_mostrar_mensaje.setFixedWidth(150)
self.btn_mostrar_mensaje.clicked.connect(self.mostrar_mensaje)
def mostrar_mensaje(self):
mensaje = QMessageBox()
mensaje.setIcon(QMessageBox.Icon.Information) #Information, NoIcon, Question,Warning, Critical
mensaje.setText('Ha hecho Click sobre el botón!!!')
mensaje.setDetailedText('Hola..')
mensaje.setWindowTitle('sdf')
mensaje.exec()
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 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)
# -*- coding: utf-8 -*-
import sys
from PyQt6.QtWidgets import QApplication, QWidget, QPushButton
from PyQt6.QtCore import QCoreApplication
if __name__ == '__main__':
app = QApplication(sys.argv)
btn = QPushButton("Hello PyQt6")
btn.clicked.connect(QCoreApplication.instance().quit)
btn.resize(400,100)
btn.move(50,50)
btn.show()
sys.exit(app.exec())
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()
