Регулярно приходится писать и ревьюить код, где используется PySide2-6.
Заметил, что в подавляющем большинстве случаев настройка создаваемых базовых виджетов происходит через методы. Думаю, всем знаком такой способ.
Простой пример с кнопкой:
button = QPushButton("Click Me")
button.setMinimumWidth(300)
button.setFlat(True)
button.setStyleSheet("font-size: 20pt")
button.setToolTip("Super Button")
button.clicked.connect(lambda: print("Button clicked"))
Но есть и альтернативный способ - настройка через свойства. Это просто ключевые аргументы конструктора класса. Хоть они и не указаны в документации как аргументы, но они есть)
Этот код делает тоже самое но с помощью Property
button = QPushButton(
"Click Me",
minimumWidth=300,
flat=True,
styleSheet="font-size: 20pt",
toolTip="Super Button",
clicked=lambda: print("Button clicked"),
)
Где это может быть полезно
▫️ Это выглядит более аккуратно и коротко, уже повод использовать
▫️ Может использоваться в заполнении лейаута, когда нам не нужно никакое другое взаимодействие с виджетом и поэтому сохранять его в переменную не требуется. Например, лейбл или кнопка.
widget = QWidget(minimumWidth=400)
layout = QHBoxLayout(widget)
layout.addWidget(QLabel("Button >", alignment=Qt.AlignRight))
layout.addWidget(QPushButton("Click Me", clicked=lambda: print("Button clicked")))
widget.show()
Либо так
widget = QWidget(minimumWidth=400)
layout = QHBoxLayout(widget)
for wd in (
QLabel("Button >", alignment=Qt.AlignRight),
QPushButton("Click Me", clicked=lambda: ...)
):
layout.addWidget(wd)
widget.show()
▫️ Можно хранить настройки в каком-то конфиге или генерировать на лету, после чего передавать как kwargs.
kwargs = {"text": "Hello " * 30, "wordWrap": True}
my_label = QLabel(**kwargs)
Как получить полный список доступных свойств?
Эта функция распечатает в терминал все свойства виджета и их текущие значения
def print_widget_properties(widget):
meta_object = widget.metaObject()
for i in range(meta_object.propertyCount()):
property_ = meta_object.property(i)
property_name = property_.name()
property_value = property_.read(widget)
print(f"{property_name}: {property_value}")
#tricks#qt
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🌐Web
❌𝕏
✉️Telegram
✈Announcement
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🖐 Find the details HERE
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$CET isn’t just a token — it’s your key to the CoinEx ecosystem!
✅ Trading fee discounts
✅ VIP privileges & exclusive promos
✅ Daily interest rate discount in Margin borrow
✅ Daily buybacks & monthly burns
✅ Referral ratio upgraded, with up to 40% rewards
✅ Exclusive promotional privileges:
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✅ CoinEx Mining
As CoinEx grows, so does CET’s utility and value.
Find CoinEx:
🌐Web
❌𝕏
✉️Telegram
✈Announcement
🛜Discord
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🖐 Find the details HERE
🎯 Why Hold $CET?
$CET isn’t just a token — it’s your key to the CoinEx ecosystem!
✅ Trading fee discounts
✅ VIP privileges & exclusive promos
✅ Daily interest rate discount in Margin borrow
✅ Daily buybacks & monthly burns
✅ Referral ratio upgraded, with up to 40% rewards
✅ Exclusive promotional privileges:
✅ CET Staking
✅ CoinEx Mining
As CoinEx grows, so does CET’s utility and value.
Find CoinEx:
🌐Web
❌𝕏
✉️Telegram
✈Announcement
🛜Discord
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