[GTK3] Tree with no items and the size of the header is blank [EBZ#541427] -------------------------------------------------------------------------- Key: ERT-751 URL: https://issues.jboss.org/browse/ERT-751 Project: Eclipse Release Train Issue Type: Task Components: Platform Reporter: Friendly Jira Robot Assignee: Eric Williams Priority: Major Labels: SWT, bzira Distro: cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="Ubuntu 18.04.1 LTS" Way to reproduce the bug: Make a multi-column SWT Tree with SWT.NO_SCROLL of the height of the header. In GTK2 it will display the header, in win32 it displays the header, in gtk3.22 (from ubuntu 18.04.01) it displays a blank area.