Stumpwm

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StumpWM is a tiling, keyboard driven X11 window manager written entirely in Common Lisp.

The successor to the cult classic Ratpoison, StumpWM adds all the flexibility and hackability of Common Lisp, allowing the user to make modifications to the source of the window manager even while it is running. It is also known as "the emacs of WMs."

From StumpWM's homepage:

"StumpWM attempts to be customizable yet visually minimal. There are no window decorations, no icons, and no buttons. It does have various hooks to attach your personal customizations, and variables to tweak.
  • Hack the good hack
  • Debug your good hack
  • Customize your window manager
While it's running That's right. With a 100% Common Lisp window manager there's no stopping the hacks. Just re-eval and GO!"

Want to see it in action? A StumpWM user created a video.

Installation

Install stumpwmAUR or stumpwm-gitAUR.

If you are installing without an AUR helper, you should install these packages in the following order:

After installing put exec stumpwm in your ~/.xinitrc and run startx. To quit, with the default configuration press C-t ; then type quit and press enter.

Both packages will install an xsession entry in /usr/share/xsessions so if you use a display manager that checks that directory, you should be good to go.

For a list of commonly used key-bindings, press C-t ?.

Documentation and Support

There is a TeXInfo manual included in the AUR packages, the source, and online.

There is also a wiki, an IRC channel (#stumpwm) on Freenode, and a mailing list. For more information, see the project's website.

Configuration

StumpWM stores its configuration in ~/.stumpwmrc or you can use ~/.config/stumpwm/config

Change cursor from default X shape

By default StumpWM leaves the cursor as XOrg's standard X shape with the hotspot in the centre. You can have the more usual left-facing pointer by running

xsetroot -cursor_name left_ptr

You can also put this in your config file

(run-shell-command "xsetroot -cursor_name left_ptr")

Change window focus on mouse click

Clicking on another window will send the click event to that window, but it will not get focus meaning any keyboard input will go to whichever window has focus. The following line makes focus change to any window that is clicked on.

(setf *mouse-focus-policy* :click) 

Enable modeline

This sets up a basic modeline with the group name followed by window names on the left and the date and time on the right.

First set the window name format and overall modeline format

(setf *window-format* "%m%n%s%c")
(setf *screen-mode-line-format* (list "[^B%n^b] %W^>%d"))

The date format is constructed using the same format specifiers as strftime(3) e.g.

(setf *time-modeline-string* "%a %b %e %k:%M")

Optionally change how often the modeline updates on its own, in seconds (it also updates whenever you do something with StumpWM like switch window).

(setf *mode-line-timeout* 2)

Finally enable the modeline (this must come after you have set the options you wanted)

(enable-mode-line (current-screen) (current-head) t)

Set font for messages and modeline

StumpWM uses the default XOrg font which is probably small and pixellated. You can use the ttf-fonts module to set a custom font.

(ql:quickload "clx-truetype")
(load-module "ttf-fonts")
(set-font (make-instance 'xft:font :family "DejaVu Sans Mono" :subfamily "Book" :size 11))
Tip: You need to install the quicklispAUR package for it to work.

Tweaking

See the wiki for a variety of useful tweaks for your .stumpwmrc.

If you are an emacs user, you will find an emacs minor mode for editing StumpWM files (and interfacing with the program stumpish, but more on that below) in the contrib/ directory of the StumpWM source.

stumpish is the STUMP window manager Interactive SHell. It is a program that allows the user to interact with StumpWM while it is running, from the comfort of a terminal (or using the emacs mode). It is installed with StumpWM in /usr/bin/.

Troubleshooting

  • If you have problems configuring multiple monitors, maybe you need to install 'xorg-xdpyinfo' package.
  • If you cannot start stumpwm and get
           debugger invoked on a SB-INT:SIMPLE-PARSE-ERROR in thread
       #:
       no non-whitespace characters in string "".
       Type HELP for debugger help, or (SB-EXT:QUIT) to exit from SBCL.
       (no restarts: If you did not do this on purpose, please report it as a bug.)
       (PARSE-INTEGER "" :START 0 :END NIL :RADIX 10 :JUNK-ALLOWED NIL)

in the REPL, it can be solved by deleting ~/.Xauthority. See this issue on github

  • If you have an issue with the SBCL_HOME being set to NIL, you may need to set it manually
Tip: You can find the path using

find / | grep sbcl.core

export SBCL_HOME=/usr/lib/sbcl/

Then you may reinstall stumpwm

  • If you can't use the mousewheel to scroll in some programs, try adding
(setf (getenv "GDK_CORE_DEVICE_EVENTS") "1")

to your .stumpwmrc (source: [1])

  • Quicklisp won't work in StumpWM if you installed it after installing StumpWM - in that case uninstall and reinstall StumpWM