4

My system is Lubuntu, freshly installed, and has been working fine for a couple of days.

I don't know since when, but when I press Alt+Tab I cannot see my task switcher. Instead, some window border is highlighted. But neither the window content, nor the application icon is provided, it is useless for task selecting.

How can I get the original task switcher back?

3

It's strange that this setting would change out of its own accord but you should be able to revert it by manually editing the configuration file of your window manager (openbox):

  1. Create a backup copy of your existing openbox configuration:

    cp "~/.config/openbox/lubuntu-rc.xml" "~/.config/openbox/lubuntu-rc-old.xml"
    
  2. Open ~/.config/openbox/lubuntu-rc.xml in a text editor of your choice

  3. Find the section in your configuration file corresponding to the following snippet:

    <keybind key="A-Tab">
      <action name="NextWindow">
      <dialog>none</dialog>
      </action>
    </keybind>
    <keybind key="A-S-Tab">
      <action name="PreviousWindow">
      <dialog>none</dialog>
      </action>
    </keybind>
    
  4. In both instances, replace <dialog>none</dialog> with <dialog>list</dialog> (vertical list of window icons and window titles) or <dialog>icons</dialog> (horizontal list of window icons)

  5. Update your current openbox session by executing openbox --reconfigure

Reference:

http://urukrama.wordpress.com/2011/11/01/reverting-to-the-old-alt-tab-dialog-in-openbox-3-5/

  • 1
    OP should also back up lubuntu-rc.xml first, and then, after editing as you've suggested, run openbox --reconfigure from a terminal to get the changes to take effect. Otherwise, a logout, login or a restart of Openbox is required. The nice thing about openbox --reconfigure is that it does a bit of "parsing" and let's you know if it finds something smelly. – DK Bose Aug 19 '14 at 2:13
  • 1
    @DKBose Ah, yes, completely forgot about reconfigure. Thanks for the pointer! – Glutanimate Aug 19 '14 at 2:14
  • 1
    No problem! Nice to see you helping out Lubuntu/Openbox users. I've started using Lubuntu and quite like it. Sometimes, I even choose the Openbox session at login time. – DK Bose Aug 19 '14 at 2:21

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