# startx configuration file.
+# Copyright (C) 2011-2013 Simon Ruderich
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+# Some systems don't set the LANG environment variable when starting xinitrc,
+# this causes problems for rxvt-unicode-256color which fails to display UTF-8
+# characters correctly when LANG is missing and for notify.py which also needs
+# LANG set (for Python's decode() function). Therefore load my general shell
+# environment which also includes $LANG.
+if test -f "$HOME/.shell/env"; then
+ # Debug function used in ~/.shell/env.
+ source_debug() {
+ # Do nothing.
+ :
+ }
+
+ . "$HOME/.shell/env"
+fi
+
+
+installed() {
+ type "$1" >/dev/null 2>&1
+}
+error() {
+ if installed xmessage; then
+ xmessage "$@" &
+ else
+ # Log message to a file which is displayed by my Zsh setup on startup.
+ echo "$*" >> "$HOME/.xinitrc.errors"
+ fi
+}
+# Save PID of the most recently started background process. Used to terminate
+# them when logging out to prevent unused background processes. On some
+# systems this is only necessary for some programs (like ssh-agent), haven't
+# yet figured out why.
+save_background_pid() {
+ background_pids="$background_pids $!"
+}
+background_pids=
+
+
+# Options, can be modified in ~/.xinitrc.local. To disable a boolean option
+# set it to an empty value.
+#
+# Default to use a background image.
+set_background=yes
+# Default to display a warning if `xautolock` is not available.
+screen_lock_force=yes
+# Lock screen after x minutes of inactivity, requires `xautolock` to be
+# installed.
+screen_lock_time=3
+# Locker program to lock the screen, used below with `xautolock`.
+screen_locker=xtrlock
+
+# Load settings for the local system.
+if test -f "$HOME/.xinitrc.local"; then
+ . "$HOME/.xinitrc.local"
+fi
+
+
+# Start ssh-agent if no agent is running and we have private keys, thanks to
+# http://code.haskell.org/XMonadContrib/scripts/xinitrc (read on 2011-06-19).
+if test -z "$SSH_AGENT_PID" \
+ && test -x /usr/bin/ssh-agent \
+ && test -f "$HOME/.ssh/id_rsa"; then
+ # -s to force bourne shell output. This file is a bourne shell script even
+ # if the environment might suggest otherwise.
+ eval `/usr/bin/ssh-agent -s` >/dev/null
+fi
# Use a black background for the root window.
xsetroot -solid black
# Force English keyboard layout.
-if [ -x /usr/bin/setxkbmap ]; then
+if installed setxkbmap; then
setxkbmap us
fi
-# Use my X11 key bindings.
-xmodmap ~/.xmodmaprc
+# Use the Caps lock as Ctrl because it's easier to reach and very useful for
+# all programs. Caps lock is removed completely. Thanks to
+# http://snarfed.org/space/switch%20control%20and%20caps%20lock
+if xmodmap | grep -E '^lock.*Caps_Lock' >/dev/null; then
+ xmodmap -e 'remove Lock = Caps_Lock'
+ xmodmap -e 'remove Control = Control_L'
+ xmodmap -e 'keysym Caps_Lock = Control_L'
+ xmodmap -e 'add Control = Control_L'
+fi
+# Move grave and tilde next to left shift key. This setting may only be
+# necessary because of my German keyboard which I use with English settings.
+xmodmap -e 'keycode 94 = grave asciitilde'
+
+# Disable annoying audio bell. Thanks to Sebastian Rachuj.
+xset b off
# Change the background if available.
-if [ -f ~/.background ]; then
- # But not on slow machines in the university.
- HOSTNAME=`hostname`
- if [ "x`echo $HOSTNAME | grep faui0sr`" = x ]; then
- if [ -x /usr/bin/hsetroot ]; then
- hsetroot -full ~/.background
- elif [ -x /usr/bin/feh ]; then
- feh --bg-scale ~/.background
+if test -f "$HOME/.background" && test -n "$set_background"; then
+ if installed hsetroot; then
+ hsetroot -full "$HOME/.background"
+ elif installed feh; then
+ feh --bg-scale "$HOME/.background"
+ # Remove the unnecessary ~/.fehbg file created by `feh`. I don't want
+ # to restore the background, I just run `feh` on each startx run.
+ # --no-fehbg is only available in recent feh releases.
+ rm -f "$HOME/.fehbg"
fi
+fi
+
+# Display timed reminders and recheck the file for changes every minute (-z1).
+if installed remind && test -f "$HOME/.reminders"; then
+ remind -z1 -k'.shell/bin/notify.py %s &' "$HOME/.reminders" &
+ save_background_pid
+fi
+
+# Set color temperature of display according to time of day.
+if installed redshift; then
+ redshift -l 49.9:10.9 -t 5500:4500 >/dev/null &
+fi
+
+# Automatically lock the screen after x minutes of inactivity if `xautolock`
+# is available. Warn if locker wasn't found.
+if installed xautolock; then
+ if installed "$screen_locker"; then
+ xautolock -secure -time "$screen_lock_time" -locker "$screen_locker" &
+ else
+ error "Locker '$screen_locker' not installed. Auto lock won't work!"
fi
+elif test -n "$screen_lock_force"; then
+ error "'xautolock' not found. Auto lock won't work!"
fi
-# Start XMonad.
+
+# XMonad doesn't start a terminal emulator on its own, start one when I login.
+(urxvt || rxvt || xterm) &
+
+# Start window manager.
xmonad
-# vim: ft=sh
+
+# Cleanup.
+#
+# Kill ssh-agent to prevent unused background processes.
+if test -x /usr/bin/ssh-agent; then
+ /usr/bin/ssh-agent -k >/dev/null
+ # No `eval` necessary, we terminate anyway.
+fi
+# Kill remaining background processes.
+kill $background_pids