[英]In PyQt5, How to add a QSpinBox inside a QTreeWidget cell?
I'm trying to add a QSpinBox inside some cells of the QTreeWidget tree_parameters. 我试图在QTreeWidget tree_parameters的某些单元格内添加QSpinBox。
l1 = QTreeWidgetItem(["String A", "", ""])
l2 = QTreeWidgetItem(["String AA", "", ""])
for i in range(3):
l1_child = QTreeWidgetItem(["Child A" + str(i), "Child B" + str(i), "Child C" + str(i)])
l1.addChild(l1_child)
for j in range(2):
l2_child = QTreeWidgetItem(["Child AA" + str(j), "Child BB" + str(j), "Child CC" + str(j)])
l2.addChild(l2_child)
self.tree_parameters.resize(500, 200)
self.tree_parameters.setColumnCount(3)
self.tree_parameters.setHeaderLabels(["Column 1", "Column 2", "Column 3"])
self.tree_parameters.addTopLevelItem(l1)
self.tree_parameters.addTopLevelItem(l2)
item = QTreeWidgetItem()
widget = QSpinBox()
widget.setValue(5)
self.tree_parameters.setItemWidget(item, 1, widget)
With this code it appears the tree, but not the QSpinBox widget added using setItemWidget function. 使用此代码,它显示为树,但不显示使用setItemWidget函数添加的QSpinBox小部件。
Thanks! 谢谢!
According to the docs : 根据文档 :
void QTreeWidget::setItemWidget(QTreeWidgetItem *item, int column, QWidget *widget) 无效的QTreeWidget :: setItemWidget(QTreeWidgetItem * item,int column,QWidget * widget)
Sets the given widget to be displayed in the cell specified by the given item and column. 设置要在给定项目和列指定的单元格中显示的给定窗口小部件。
[...] [...]
What you should do first is to add the item, and then just add the widget in a specific column, in your case for example we add the item to the top and then place it in the second column: 您首先要做的是添加项目,然后将小部件添加到特定的列中,例如,在您的情况下,我们将项目添加到顶部,然后将其放置在第二列中:
item = QTreeWidgetItem()
self.tree_parameters.addTopLevelItem(item)
widget = QSpinBox()
widget.setValue(5)
self.tree_parameters.setItemWidget(item, 1, widget)
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