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#!/bin/bash
# Copyright (C) 2004-2007 Centro de Computacao Cientifica e Software Livre
# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
# Ideally, this script should not exist.
# It would also be good if "X -configure" did a good job.
# But they are not enough, so we have to do this...
# I hope someday X will by default open multiple screens without xorg.conf
MDM_PREFIX=/
MDM_SCRIPTS=${MDM_PREFIX}/usr/sbin
MDM_INCLUDE=${MDM_SCRIPTS}/mdm-common
source $MDM_INCLUDE
function section_files () {
echo '
Section "Files"
RgbPath "/etc/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/share/fonts/X11/cyrillic"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection' >> $MDM_XORG_CONF
}
function section_module () {
echo '
Section "Module"
Load "record"
Load "extmod"
Load "dbe"
Load "GLcore"
Load "glx"
Load "dri"
Load "xtrap"
EndSection' >> $MDM_XORG_CONF
}
function section_server_flags () {
echo '
Section "ServerFlags"
Option "DontVTSwitch" "yes"
Option "DontZoom" "yes"
Option "DontZap" "yes"
Option "AllowMouseOpenFail" "yes"
# Option "BlankTime" "0"
# Option "StandbyTime" "0"
# Option "SuspendTime" "0"
# Option "OffTime" "0"
EndSection' >> $MDM_XORG_CONF
}
function section_dri () {
echo '
Section "DRI"
Mode 0666
EndSection' >> $MDM_XORG_CONF
}
function input_devices_sections () {
if [ ! -z ${XKB_RULES[i]} ]; then
MY_XKB_RULES=${XKB_RULES[i]}
else
MY_XKB_RULES=$DEFAULT_XKB_RULES
fi
if [ ! -z ${XKB_MODEL[i]} ]; then
MY_XKB_MODEL=${XKB_MODEL[i]}
else
MY_XKB_MODEL=$DEFAULT_XKB_MODEL
fi
if [ ! -z ${XKB_LAYOUT[i]} ]; then
MY_XKB_LAYOUT=${XKB_LAYOUT[i]}
else
MY_XKB_LAYOUT=$DEFAULT_XKB_LAYOUT
fi
echo "
Section \"InputDevice\"
Identifier \"Keyboard\"
Driver \"kbd\"
Option \"CoreKeyboard\"
#Option \"XkbRules\" \"$MY_XKB_RULES\"
Option \"XkbModel\" \"$MY_XKB_MODEL\"
Option \"XkbLayout\" \"$MY_XKB_LAYOUT\"
EndSection " >> $MDM_XORG_CONF
echo '
Section "InputDevice"
Identifier "Mouse"
Driver "mouse"
Option "CorePointer"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection' >> $MDM_XORG_CONF
}
function video_sections () {
# We're inside a loop
i=$1
if [ ! -z ${MODE[i]} ]; then
SCREEN_SIZE=${MODE[i]}
else
SCREEN_SIZE=$DEFAULT_MODE
fi
# In case we're using one card with dual output, it is possible to make two
# heads on it. To do so, it is necessary to open a wider screen (for example,
# twice wider) to perform this action, we have the WIDTH_MULTIPLIER variable.
if [ -f "$XRANDR_INFO_FILE" ]; then
WIDTH_MULTIPLIER=`grep -A1 ":0.$((i-1))" $XRANDR_INFO_FILE |
tail -1 | cut -d'=' -f2`
# If $WIDTH_MULTIPLIER=0, set it as 1 (for configuring at least one screen)
WIDTH_MULTIPLIER=${WIDTH_MULTIPLIER/0/1}
fi
# The variable may be still unset, if so, set 1 as default
WIDTH_MULTIPLIER=${WIDTH_MULTIPLIER:=1}
VIRTUAL_X=$((`echo $SCREEN_SIZE | cut -d'x' -f1` * $WIDTH_MULTIPLIER))
VIRTUAL_Y=$(echo $SCREEN_SIZE | cut -d'x' -f2)
# HorizSync and VertRefresh: if 'none' specified, don't write in xorg.conf
if [ ! -z ${HORIZ_SYNC[i]} ]; then
MONITOR_HORIZ=${HORIZ_SYNC[i]}
else
MONITOR_HORIZ=$DEFAULT_HORIZ_SYNC
fi
if [ ! -z ${VERT_REFRESH[i]} ]; then
MONITOR_VERT=${VERT_REFRESH[i]}
else
MONITOR_VERT=$DEFAULT_VERT_REFRESH
fi
if [ "$MONITOR_HORIZ" = 'none' ]; then
MONITOR_HORIZ=''
else
MONITOR_HORIZ="HorizSync $MONITOR_HORIZ"
fi
if [ "$MONITOR_VERT" = 'none' ]; then
MONITOR_VERT=''
else
MONITOR_VERT="VertRefresh $MONITOR_VERT"
fi
echo "
Section \"Device\"
Identifier \"Video Card $i\"
BusID \"PCI:${BUS_IDS[i-1]}\"
Driver \"${DRIVERS[i-1]}\"
EndSection
Section \"Monitor\"
Identifier \"Monitor $i\"
$MONITOR_HORIZ
$MONITOR_VERT
Option \"DPMS\"
EndSection
Section \"Screen\"
Identifier \"Screen $i\"
Device \"Video Card $i\"
Monitor \"Monitor $i\"
DefaultDepth 24
SubSection \"Display\"
Depth 16
Modes \"${SCREEN_SIZE}\"
Virtual $VIRTUAL_X $VIRTUAL_Y
EndSubSection
SubSection \"Display\"
Depth 24
Modes \"${SCREEN_SIZE}\"
Virtual $VIRTUAL_X $VIRTUAL_Y
EndSubSection
EndSection" >> $MDM_XORG_CONF
}
function section_server_layout () {
echo "
Section \"ServerLayout\"
Identifier \"X Configured\"
" >> $MDM_XORG_CONF
for (( i=1; i <= $N_CARDS; i++ )); do
echo " Screen $((i-1)) \"Screen $i\"" >> $MDM_XORG_CONF
done
echo '
InputDevice "Keyboard"
InputDevice "Mouse"
EndSection' >> $MDM_XORG_CONF
}
function generate_xrandr_info_file () {
# We need X running to use xrandr, so:
X -config $MDM_XORG_CONF -noreset &>/dev/null &
local PID=$!
sleep 5
# This will create a file with xrandr useful information
for (( i=0; i < "$N_CARDS"; i++ )); do
export DISPLAY=:0.$i
xrandr_append_info_file
done
# Killing X
kill $PID
sleep 5
}
function create_xorg_conf_file () {
section_files
section_module
section_server_flags
section_dri
input_devices_sections
for (( c = 1; c <= $N_CARDS; c++)); do
video_sections $c
done
section_server_layout
}
#####
N_CARDS=$($DISCOVER_DEVICES driver | wc -l)
DRIVERS=($($DISCOVER_DEVICES driver | cut -f2))
BUS_IDS=($($DISCOVER_DEVICES bus | cut -f2))
# They called our script, so they DO want a new xorg.conf
rm -f $MDM_XORG_CONF
rm -f $XRANDR_INFO_FILE
create_xorg_conf_file
# After xorg.conf.mdm is ready, generate xrandr.info file
generate_xrandr_info_file
# And recreate xorg.conf, based on information given by xrandr.info file
rm -f $MDM_XORG_CONF
create_xorg_conf_file
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