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Configuration

Qtile is configured in Python. A script (~/.config/qtile/config.py by default) is evaluated, and a small set of configuration variables are pulled from its global namespace.

Configuration lookup order

Qtile looks in the following places for a configuration file, in order:

  • The location specified by the -c argument.
  • $XDG_CONFIG_HOME/qtile/config.py, if it is set
  • ~/.config/qtile/config.py
  • It reads the module libqtile.resources.default_config, included by default with every Qtile installation.

Default Configuration

The default configuration is invoked when qtile cannot find a configuration file. In addition, if qtile is restarted via qshell, qtile will load the default configuration if the config file it finds has some kind of error in it. The documentation below describes the configuration lookup process, as well as what the key bindings are in the default config.

The default config is not intended to be suitable for all users; it's mostly just there so qtile does /something/ when fired up, and so that it doesn't crash and cause you to lose all your work if you reload a bad config.

Key Bindings

The mod key for the default config is mod4, which is typically bound to the "Super" keys, which are things like the windows key and the mac command key. The basic operation is:

  • mod + k or mod + j: switch windows on the current stack
  • mod + <space>: put focus on the other pane of the stack (when in stack layout)
  • mod + <tab>: switch layouts
  • mod + w: close window
  • mod + <ctrl> + r: restart qtile with new config
  • mod + <group name>: switch to that group
  • mod + <shift> + <group name>: send a window to that group
  • mod + <enter>: start xterm
  • mod + r: start a little prompt in the bar so users can run arbitrary commands

The default config defines one screen and 8 groups, one for each letter in asdfuiop. It has a basic bottom bar that includes a group box, the current window name, a little text reminder that you're using the default config, a system tray, and a clock.

The default configuration has several more advanced key combinations, but the above should be enough for basic usage of qtile.

Mouse Bindings

By default, holding your mod key and clicking (and holding) a window will allow you to drag it around as a floating window.

Configuration variables

A Qtile configuration consists of a file with a bunch of variables in it, which qtile imports and then runs as a python file to derive its final configuration. The documentation below describes the most common configuration variables; more advanced configuration can be found in the qtile-examples repository, which includes a number of real-world configurations that demonstrate how you can tune Qtile to your liking. (Feel free to issue a pull request to add your own configuration to the mix!)

.. toctree::
    :maxdepth: 1

    lazy
    groups
    keys
    layouts
    mouse
    screens
    hooks

In addition to the above variables, there are several other boolean configuration variables that control specific aspects of Qtile's behavior:

variable default description
auto_fullscreen True If a window requests to be fullscreen, it is automatically fullscreened. Set this to false if you only want windows to be fullscreen if you ask them to be.
bring_front_click False When clicked, should the window be brought to the front or not. (This sets the X Stack Mode to Above.)
cursor_warp False If true, the cursor follows the focus as directed by the keyboard, warping to the center of the focused window.
dgroups_key_binder None TODO
dgroups_app_rules [] TODO
extension_defaults same as widget_defaults Default settings for extensions.
floating_layout layout.Floating(float_rules=[...])

TODO

See the configuration file for the default float_rules.

focus_on_window_activation smart

Behavior of the _NET_ACTIVATE_WINDOW message sent by applications

  • urgent: urgent flag is set for the window
  • focus: automatically focus the window
  • smart: automatically focus if the window is in the current group
follow_mouse_focus True Controls whether or not focus follows the mouse around as it moves across windows in a layout.
main None TODO
widget_defaults
dict(font='sans',
fontsize=12, padding=3)
Default settings for bar widgets.
wmname "LG3D" TODO

Testing your configuration

The best way to test changes to your configuration is with the provided Xephyr script. This will run Qtile with your config.py inside a nested X server and prevent your running instance of Qtile from crashing if something goes wrong.

See :doc:`Hacking Qtile </manual/hacking>` for more information on using Xephyr.

Starting Qtile

There are several ways to start Qtile. The most common way is via an entry in your X session manager's menu. The default Qtile behavior can be invoked by creating a qtile.desktop file in /usr/share/xsessions.

A second way to start Qtile is a custom X session. This way allows you to invoke Qtile with custom arguments, and also allows you to do any setup you want (e.g. special keyboard bindings like mapping caps lock to control, setting your desktop background, etc.) before Qtile starts. If you're using an X session manager, you still may need to create a custom.desktop file similar to the qtile.desktop file above, but with Exec=/etc/X11/xsession. Then, create your own ~/.xsession. There are several examples of user defined xsession s in the qtile-examples repository.

Finally, if you're a gnome user, you can start integrate Qtile into Gnome's session manager and use gnome as usual:

.. toctree::
    :maxdepth: 1

    gnome