Openbox

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Openbox is a highly configurable, next generation window manager with extensive standards support.

Installation

USE flags

Optional USE flags for x11-wm/openbox:
USE flag (what is that?) Default Recommended Description
branding No Yes Enable Gentoo specific branding
debug No Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
imlib Yes Add support for imlib, an image loading and rendering library
nls Yes Add Native Language Support (using gettext - GNU locale utilities)
python_targets_python2_7 Yes Yes Build with Python 2.7
session Yes Enables support for session managers
startup-notification No Enable application startup event feedback mechanism
static-libs No Build static versions of dynamic libraries as well
svg No Add support for SVG (Scalable Vector Graphics)
xdg No Install the python xdg files for xdg autostart

Emerge

Emerge Openbox:

root #emerge --ask x11-wm/openbox

Configuration

There are four important files to consider when configuring Openbox:

Openbox installs these files to /etc/xdg/openbox/ To have Openbox use custom configurations for each user, copy the four configuration files above to the home directly of each user (~/.config/openbox/), then modify each according to the users' needs.

For example:

user $mkdir -p ~/.config/openbox/
user $cp /etc/xdg/openbox/* ~/.config/openbox/

Then use a text editor of choice to start making changes:

user $vim ~/.config/openbox/autostart

Starting

To start Openbox it is possible to use a display manager or the startx command.

To use startx with ConsoleKit support, setup ConsoleKit and create the following file:

FILE ~/.xinitrcOpenbox with ConsoleKit support
exec ck-launch-session dbus-launch --sh-syntax --exit-with-session openbox-session

autostart

The autostart script is the ideal way to execute specific commands and programs when Openbox starts. It makes no difference if Openbox is started using the startx command or a display manager, autostart will be executed either way.

The following is an example of some of the things that could be done in an autostart file.

FILE ~/.config/openbox/autostartOpenbox autostart example
# Sets the wallpaper to an image of choice.
wallpaper="planet.jpeg"
 
# Sets the DESKTOP_ENV variable to "OPENBOX"
DESKTOP_ENV="OPENBOX"
 
# The following are examples on how to call programs;
# unless programs are called in a daemon mode like the 
# conky example below an ampersand (&) will need to be included 
# in order to start the command and fork it to the background
# See job control for more information.
conky --daemonize
 
# Waits one second then starts the NetworkManager applet.
sleep 1 && nm-applet --sm-disable &
 
# Starts a light-weight X11 desktop panel.
fbpanel &
 
# Starts a lightweight image viewer.
feh --bg-scale ~/Artwork/${wallpaper} &
 
# Starts a simple battery monitor for the system tray.
batti &
 
# Starts a program that turns on numlock in X (after the X server starts).
numlockx &

environment

Using the environment file is the ideal place to export global variables and configure the Openbox environment:

FILE ~/.config/openbox/environmentOpenbox environment example
eval $(gpg-agent --daemon)
eval $(gnome-keyring-daemon)
if which dbus-launch >/dev/null && test -z "$DBUS_SESSION_BUS_ADDRESS"; then
       eval `dbus-launch --sh-syntax --exit-with-session`
fi
LANG="el_GR.UTF8"

menu.xml

The menu.xml file contains information for the right-click menus in Openbox. By default the right click menu is predefined with some common applications, so unless the applications are installed on the system most of the default links on the menu will not be operational.

Dynamic generation

On Gentoo a special program called openbox-menu that is made to dynamically generate new Openbox right click menus based off information defined in the /etc/xdg/menus directory.

Install x11-misc/openbox-menu:

root #emerge --ask x11-misc/openbox-menu

After the menu generator as been installed, run the following command to create a new menu for the present user:

user $openbox-menu

rc.xml

The rc.xml file is used to specify keyboard and mouse bindings.

The following is a list of special key 'modifiers':

Key Description
S Shift key
C Ctrl key
A Alt key
W Super (windows) key
M Meta key
H Hyper key

To make a key binding, combine modifiers and a key. They are separated with the - (dash) sign.

Important
Case matters! S (uppercase) equates to the Shift key while s (lowercase) is the s alphabet key.

Key binding examples

Keybinding Modifier
Alt+o A-o
Ctrl+Alt+x C-A-x
Ctrl+Alt+Shift+y C-A-S-y
Shift+s S-s
Important
Any custom key bindings should go between <keyboard> and </keyboard> tags in rc.xml.

To open a xterm window with Super+t, add the following to the rc.xml:

FILE ~/.config/openbox/rc.xmlXTerm key bind example
<keybind key="W-t">
  <action name="Execute">
    <command>xterm</command>
  </action>
</keybind>

Keybinding a menu is also possible. For example, bind Openbox's right click and middle click menus with the following statement:

FILE ~/.config/openbox/rc.xmlRoot-Menu key bind example
<keybind key="W-x">
  <action name="ShowMenu">
    <menu>root-menu</menu>
  </action>
</keybind>
 
<keybind key="W-z">
  <action name="ShowMenu">
    <menu>client-list-combined-menu</menu>
  </action>
</keybind>

In the above example, the right click menu is bound to a Super+x key press combination, and the middle click menu is bound to Super+z key press combo. It is useful to key bind applications especially when a user prefers to not use a panel program with Openbox.

Tips

Icons in the Openbox menu

Since version 3.5.0, Openbox is able to have icons next to menu entries.

  1. To emerge Openbox with imlib support add imlib USE flag to x11-wm/openbox in /etc/portage/package.use
    root #echo "x11-wm/openbox imlib" >> /etc/portage/package.use
  2. Re-emerge Openbox so that support for the imlib USE flag is considered:
    root #emerge --ask --changed-use x11-wm/openbox
  3. Add a <showIcons>yes</showIcons> line to the <menu> section of the rc.xml file.
  4. Add in menu.xml icon="<path>" like this:
    FILE ~/.config/openbox/menu.xmlManually add icons to Openbox example
    <menu label="Shells" icon="/usr/share/icons/shell.png">
    <item label="xterm" icon="/usr/share/icons/xterm.png">
    	<action name="Execute">
    		<execute>xterm</execute>
    	</action>
    </item>
    

See also

  • Tint2 - A lightweight panel/taskbar
  • Openbox/Guide - A Gentoo Openbox configuration guide
  • LXDE - An extremely lightweight desktop environment based on Openbox.

External resources