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QTreeWidget - width of column with widget

I have QTreeWidget with two columns. The first column is the text, and the second is QPushButton. I can not specify the size of buttons and the size of the second column. When you try to set the size of the column of content, the second column disappears. How to change the width of the second column?

tree_widget_->setColumnCount(2);
tree_widget_->header()->resizeSection(1, 10);
tree_widget_->header()->setStretchLastSection(false);
tree_widget_->header()->setResizeMode(0,QHeaderView::Stretch);
tree_widget_->topLevelItem(4)->addChild( wiop = new QTreeWidgetItem(QStringList() << QString( "Расстояние: %1 км" ).arg( range ) ) );
tree_widget_->setItemWidget(tree_widget_->topLevelItem(4)->child(0),1,range_plot_button_ = new QPushButton("График",tree_widget_));
range_plot_button_->resize(10,10);
Solution

  • I try setColumnWidth, but it is not work. Later I try tree_widget_->header()->setResizeMode(1,QHeaderView::ResizeToContents); and it is work!