设置QTreeWidget的列宽

Question

有没有办法从代码中为QTreeWidget设置列宽？我想chage第一列的默认宽度。我正在使用PySide。

Answer 1

QHeaderView::resizeSection()应该诀窍，在C ++中它看起来像这样：

myTreeWidget->headerView()->resizeSection(0 /*column index*/, 100 /*width*/);

Answer 2

对于正在寻找C ++ Qt解决方案的人（已通过5.12测试）：

// Important to call setMinimumSectionSize because resizeSection wont work if your width is less than the minimum
treeWidget->header()->setMinimumSectionSize(25);
treeWidget->header()->resizeSection(1 /*column index*/, 25 /*width*/);

// You might also need to use this if you want to limit the size of your last column:
treeWidget->header()->setStretchLastSection(false);

Answer 3

在Pyside2中没有resizeSection

您可以在PySide2中使用它：

header = self.treeWidget.header()
header.setSectionResizeMode(QtWidgets.QHeaderView.ResizeToContents)
header.setStretchLastSection(False)
header.setSectionResizeMode(5, QtWidgets.QHeaderView.Stretch)