通过设置项目代理(Item Delegate),可以自定义项目的显示方式: fromPyQt6.QtWidgetsimportQStyledItemDelegatefromPyQt6.QtCoreimportQRectfromPyQt6.QtGuiimportQPainter,QColorclassCustomDelegate(QStyledItemDelegate):defpaint(self,pain
QDataWidgetMapper无法在一系列备选方案中对底层数据进行选择。此外，默认情况下，它使用Qt.EditRole来实现...
Constructs a combobox with the given parent, using the default model QStandardItemModel. QComboBox::~QComboBox () Destroys the combobox. void QComboBox::activated ( int index ) [signal] This signal is sent when the user chooses an item in the combobox. The item's index is passed. Note...
PySide.QtCore.Qt.ItemDataRole Each item in the model has a set of data elements associated with it, each with its own role. The roles are used by the view to indicate to the model which type of data it needs. Custom models should return data in these types. The general purpose roles...
[自定义控件](https://github.com/PyQt5/CustomWidgets) # QQ群 ## QQ群 [PyQt 学习](https://jq.qq.com/?_wv=1027&k=5QVVEdF) @@ -97,6 +97,7 @@ https://pyqt.site 论坛是专门针对PyQt5学习和提升开设的网站,分 - Input Widgets - [QComboBox](QComboBox) - [下拉数据关联](QComboBox...
这个函数在QAbstractListModel类中定义,它是所有 Qt 模型类(如QListModel、QTableModel、QTreeModel等)的基类。 1.4 void setMaxCount(int max);设置最大项目数 在Qt 框架中,setMaxCount(int max)函数是一个成员函数,用于设置一个容器或序列中可以包含的最大元素数量。注意不是同时显示的最大项目数。