+# Force English keyboard layout.
+if installed setxkbmap; then
+ setxkbmap us
+fi
+
+# 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
+
+# Load settings for programs. Xdefaults is deprecated.
+xrdb "$HOME/.Xresources"
+
+# Change the background if available.
+if test -f "$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
+# `xscreensaver` or `xautolock` is available. Warn if no locker was found.
+if installed xscreensaver; then
+ xscreensaver &
+elif 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 "$screen_lock_force"; then
+ error "'xautolock' not found. Auto lock won't work!"
+fi
+
+# Use compton to get transparent windows. See ~/.Xresources for configuration
+# of urxvt.
+if installed compton; then
+ compton &
+# xcompmgr as fallback.
+elif installed xcompmgr; then
+ xcompmgr &
+fi
+
+
+# My window manager doesn't start a terminal emulator on its own, start one
+# when I login.
+(urxvt || rxvt || xterm) &
+
+# Start window manager.
+failed=
+if installed herbstluftwm; then
+ herbstluftwm --locked >"$HOME/.config/herbstluftwm/log" 2>&1 || failed=1
+elif installed xmonad; then
+ xmonad || failed=1
+elif installed stumpwm; then
+ stumpwm || failed=1
+else
+ failed='no window manager found'
+fi
+# Fallback in case my window manager failed to start. Otherwise X terminates
+# the session immediately (because xinitrc finishes).
+if test -n "$failed"; then
+ if test x"$failed" = x1; then
+ failed='failed to start window manager'
+ fi
+ error "$failed (spawning fallback terminal)"
+ urxvt || rxvt || xterm
+fi
+
+
+# Cleanup.
+#
+# Kill ssh-agent to prevent unused background processes.
+if test -x /usr/bin/ssh-agent; then
+ /usr/bin/ssh-agent -k >/dev/null
+ # No `eval` necessary, we terminate anyway.
+fi
+# Kill remaining background processes.
+if test -n "$background_pids"; then
+ kill $background_pids
+fi