TGINSIGHT SIMILAR POSTS
Изворен канал @pythonotes · Post #380 · 21 окт.
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
Пребарај: #yishun
@sgmrt · Post #2348 · 11.05.2025 г., 09:44
[NSL] CLEARED: The earlier track point fault has been cleared. Train service has resumed. Free regular bus service is still available between #Yishun and #Woodlands. We apologise for the delay to your journey. - SMRT
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@sgmrt · Post #1643 · 08.02.2023 г., 04:23
[NSL] UPDATE: Pls add at least 25mins train travel time between #Yishun and #Woodlands. Out staff are working hard to rectify the track point fault. Commuters are advised to take alternative routes such as TEL. Free regular bus and bridging bus services are still available. - SMRT
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@sgmrt · Post #1642 · 08.02.2023 г., 04:23
[NSL] UPDATE: Please add 15mins train travel time between #Yishun and #Woodlands. Free regular bus and bridging bus services are still available. We seek your understanding as we are working to recover regular service. - SMRT
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@sgmrt · Post #1641 · 08.02.2023 г., 03:51
[NSL] UPDATE: Please add 25mins of train travel time between #Yishun and #Woodlands. Our staff are working to recover service. Free regular bus and bus bridging services are still available. For alt. travel options, please use TEL or visit our website for more information. - SMRT
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@sgmrt · Post #1640 · 08.02.2023 г., 03:36
[NSL] UPDATE: Pls add 25mins of train travel time between #Yishun and #Woodlands. Our staff are working to recover service. For alternative travel options, please use TEL or refer to our website (https://bit.ly/3sUuPup). - SMRT
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@sgmrt · Post #1639 · 08.02.2023 г., 03:22
[NSL] UPDATE: Pls add 25mins of train travel time between #Yishun and #Woodlands. Free regular bus and bridging bus services are still available. For alternative travel options, please use TEL or refer to https://bit.ly/3sUuPup for more information. - SMRT
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@sgmrt · Post #1638 · 08.02.2023 г., 02:52
[NSL] UPDATE: Please add 25mins train travel time btwn #Yishun and #Woodlands. For alternative travel options, pls take TEL or refer to https://bit.ly/3sUuPup. Free regular bus & bridging bus svcs are still avail. - SMRT
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@sgmrt · Post #1637 · 08.02.2023 г., 02:39
[NSL] UPDATE: Pls add 25mins train travel time between #Yishun and #Woodlands. For alternative travel options, pls take TEL or refer to https://bit.ly/3sUuPup. Free regular bus & bridging bus svcs are still available. - SMRT
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@sgmrt · Post #1636 · 08.02.2023 г., 02:24
[NSL] UPDATE: Please add 25mins train travel time between #Yishun and #Woodlands. For alternative travel options, please take TEL or refer to https://bit.ly/3sUuPup. Free regular bus & bridging bus svcs are still avail. - SMRT
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@sgmrt · Post #1635 · 08.02.2023 г., 01:54
[NSL] UPDATE: Pls add 25mins train travel time btwn #Yishun and #Woodlands. For alternative travel options, pls take TEL or refer to https://bit.ly/3sUuPup. Free regular bus & bridging bus svcs are still avail. - SMRT
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@sgmrt · Post #1634 · 08.02.2023 г., 01:38
[NSL] UPDATE: Please add 25mins train travel time btwn #Yishun and #Woodlands. We are working to recover svc. Pls take TEL or refer to https://bit.ly/3sUuPup. Free regular bus & bridging bus svcs are still avail. - SMRT
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@sgmrt · Post #1633 · 08.02.2023 г., 01:23
[NSL] UPDATE: Pls add 25mins train travel time btwn #Yishun and #Woodlands. Please take TEL or refer to https://bit.ly/3sUuPup. Free regular bus & bridging bus svcs are still available. - SMRT
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