Disable application window titles?

I just installed Lubuntu 23.10 and use Openbox 3.6.1. I want to remove the title bar at the top of application windows. I especially want to do this for Firefox. The reason is I want more screen real estate. I want application windows to appear like they do in KDE or MS-Windows.

I looked into Openbox decorations after getting a tip on the LXQt Matrix server. However, editing my rc.xml file manually did not result in any changes.

Any guidance?

  1. cp /etc/xdg/xdg-Lubuntu/openbox/rc.xml ~/.config/openbox/rc.xml
  2. Edit ~/.config/openbox/rc.xml
  3. Search for the <titleLayout> tag which should have a value of NLIMC
  4. Remove the L
  5. Run openbox --reconfigure

More on OpenBox configuring can be found here.

Or do it graphically…

  1. Go to Preferences > Openbox settings
  2. Click on “Appearance”
  3. Remove the “L” from “Button order”



I think the OP wants to get rid of the whole titlebar entirely.
(the effect is the same as left-corner-click > Un/Decorate)

In your ~/.config/openbox/rc.xml, e.g

    <application class="firefox-esr">

(you have to get the right name of the application)

openbox --reconfigure

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