add script to automatically detect and enable the right monitors on the right place

Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org>

x-monitors.sh

@@ -0,0 +1,43 @@
+#!/bin/sh
+# 
+# 2009      Nico Schottelius (nico-nsbin at schottelius.org)
+# 
+# This file is part of nsbin.
+#
+# nsbin 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.
+# 
+# nsbin 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 nsbin. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+# Automatically manage connected and disconnected external monitors with xrandr
+#
+# Add your main monitor to ~/.x-monitors-main (i.e. the laptop screen),
+# and add all possible other monitors in the positions files
+# ~/.x-monitors-{left-of right-of above below}.
+#
+#
+# 
+
+################################################################################
+main="$(cat ~/.x-monitors-main)"
+positions="left-of right-of above below"
+prefix=".x-monitors-"
+
+# search for all possible monitors in all positions
+for position in $positions; do
+   posfile="${HOME}/${prefix}${position}"
+   if [ -f "${posfile}" ]; then
+      while read output; do
+         xrandr --output "${output}" --${position} "${main}" --auto
+      done < "${posfile}"
+   fi
+done