Resize header of treeview to size of content

gui/view/MainWindow.cpp

@@ -11,6 +11,7 @@ MainWindow::MainWindow(QWidget* parent)
 {
     ui->setupUi(this);
     prepareTableView();
+    prepareTreeView();
     auto tm = new TreeModel();
     tm->showSelectedLog(nullptr);
     ui->treeView->setModel(tm);
@@ -40,3 +41,9 @@ void MainWindow::prepareTableView()
         QHeaderView::ResizeMode::ResizeToContents);
     ui->tableView->horizontalHeader()->setSectionsMovable(true);
 }
+
+/*************************************************************************************************/
+void MainWindow::prepareTreeView()
+{
+    ui->treeView->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
+}

gui/view/MainWindow.h

@@ -20,6 +20,8 @@ public:
 
 private:
     void prepareTableView();
+    void prepareTreeView();
+
     Ui::MainWindow* ui;
 };