#!/bin/sh

# 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 set it here, might be
# overwritten by shell setup scripts.
LANG=en_US.UTF-8
export LANG


installed() {
    type "$1" >/dev/null 2>&1
}


# Start ssh-agent if we have private keys, thanks to
# http://code.haskell.org/XMonadContrib/scripts/xinitrc (read on 2011-06-19).
if 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`
fi

# Use a black background for the root window.
xsetroot -solid black

# Force English keyboard layout.
if installed setxkbmap; then
    setxkbmap us
fi

# Use my X11 key bindings.
xmodmap "$HOME/.xmodmaprc"

# Default to use a background image. Can be disabled in .xinitrc.local.
set_background=yes

# Load settings for the local system.
if test -f "$HOME/.xinitrc.local"; then
    . "$HOME/.xinitrc.local"
fi

# 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" &
fi

# Set color temperature of display according to time of day.
if installed redshift; then
    redshift -l 49.9:10.9 -t 5500:4500 &
fi


# XMonad doesn't start a shell on its own, start one when I login.
(urxvt || rxvt || xterm) &

# Start XMonad.
xmonad