LLM Python 11-2 PyQt6 (Assignment Deadline Calculation, Pizza Ordering App)
This lecture video was produced for on-campus classes. Assignments are not accepted.
It was created for on-campus use. ===
from PyQt6.QtWidgets import QApplication, QMainWindow, QLabel, QGridLayout, QWidget, QDateEdit
from PyQt6.QtCore import QDate
def update_days_remaining():
today_date = todayDateEdit.date()
due_date = dueDateEdit.date()
days_remaining = today_date.daysTo(due_date)
resultLabel.setText(f" {days_remaining} days left")
app = Qapplication([])
layout = QGridLayout()
todayDateEdit = QDateEdit(QDate.currentDate())
todayDateEdit.setCalendarPopup(True)
todayDateEdit.dateChanged.connect(update_days_remaining) # Function when dateChanged event occurs Execute
layout.addWidget(QLabel("Today's Date:"), 0, 0) # Top left
layout.addWidget(todayDateEdit, 1, 0) # Below the label on the left
dueDateEdit = QDateEdit(Qdate.currentDate().addDays(7))
dueDateEdit.setCalendarPopup(True)
dueDateEdit.dateChanged.connect(update_days_remaining)
layout.addWidget(Qlabel("Submission Date:"), 0, 1) # Top right
layout.addWidget(dueDateEdit, 1, 1) # Below the label on the right
resultLabel = QLabel("Remaining days are displayed.")
layout.addWidget(resultLabel, 2, 0, 1, 2) # In the 2,0 column Widgets spanning 1 row and 2 columns
widget = QWidget()
widget.setLayout(layout)
window = QMainWindow()
window.setWindowTitle("Date Calculator")
window.setCentralWidget(widget)
window.show()
app.exec()
===
from PyQt6.QtWidgets import QApplication, QMainWindow, QLabel, QVBoxLayout, QComboBox, QRadioButton, QWidget, QButtonGroup, QListWidget
def update_price():
size_index = sizeList.currentIndex().row()
topping_index = toppingGroup.checkedId()
order_type = orderTypeCombo.currentText()
size_prices = [2, 1.5, 1]
topping_prices = [12000, 14000, 16000]
price = int(size_prices[size_index] * topping_prices[topping_index])
if order_type == "Delivery":
price += 5000
priceLabel.setText(f"Total order amount: {price:,} won")
app = QApplication([])
layout = QVBoxLayout()
layout.addWidget(QLabel('Size:'))
sizeList = QListWidget()
sizeList.addItems(['Large', 'Medium', 'Small'])
sizeList.currentItemChanged.connect(update_price) # Connect to update function
layout.addWidget(sizeList)
layout.addWidget(QLabel('Topping:'))
toppingGroup = QButtonGroup()
toppings = ['Pepperoni', 'Supreme', 'Bulgogi']
for i, topping in enumerate(toppings):
button = QRadioButton(topping)
layout.addWidget(button)
toppingGroup.addButton(button, i) # Assign an ID to each button
if i == 0:
button.setChecked(True) #Default selection
toppingGroup.buttonClicked.connect(update_price) # Connect to update function
layout.addWidget(QLabel('Order Type:'))
orderTypeCombo = QComboBox()
orderTypeCombo.addItems(['Delivery', 'Packaging'])
orderTypeCombo.currentIndexChanged.connect(update_price) # Connect to update function
layout.addWidget(orderTypeCombo)
priceLabel = QLabel("Total order amount:")
layout.addWidget(priceLabel)
widget = QWidget()
widget.setLayout(layout)
window = QMainWindow()
window.setWindowTitle("Inje Pizza")
window.setCentralWidget(widget)
window.show()
app.exec()