From 429c12fcd342372e70f4875a303397d16a47d615 Mon Sep 17 00:00:00 2001
From: "Paulo R. Zanoni" <paulo@c3sl.ufpr.br>
Date: Tue, 26 Aug 2008 06:59:58 -0300
Subject: Revert "There is a new variable being used: XEPHYR_NUMBER, which"

This reverts commit c3df780bb0550760db35c40698b9ee7706486c6e.
---
 mdm/src/mdm-start-seat | 96 ++++++++++++++++++++++----------------------------
 1 file changed, 42 insertions(+), 54 deletions(-)

diff --git a/mdm/src/mdm-start-seat b/mdm/src/mdm-start-seat
index 1d5d694..968d6a3 100755
--- a/mdm/src/mdm-start-seat
+++ b/mdm/src/mdm-start-seat
@@ -32,27 +32,19 @@ READ_DEVICES=${MDM_SCRIPTS}/read-devices
 WRITE_MESSAGE=${MDM_SCRIPTS}/write-message
 SEAT_PARENT_WINDOW=${MDM_SCRIPTS}/seat-parent-window
 
-# IMPORTANT! Seat number is the seat on wich 
-# heads will be raised on.
 SEAT_NUMBER=$1
 
-# IMPORTANT! This is the number that xephyr will have,
-# consider that with a dual video card, we can make two heads.
-# It is possible to have N Xephyrs on a N output video card.
-XEPHYR_NUMBER=$2
-
 #MY_LOG=$MDM_LOGS/mdm-start-seat.${SEAT_NUMBER}.log
 
 function open_seat_parent_window () {
-	kill `cat ${MDM_PIDS}/seat-parent-window${DISPLAY}-$1.pid 2> /dev/null`
-	rm -f ${MDM_PIDS}/seat-parent-window${DISPLAY}-$1.pid 2> /dev/null
-    
-	$SEAT_PARENT_WINDOW $MY_SCREEN_SIZE+$1+0 seat-parent-window${DISPLAY}-$1 &
-	PID=$!
-	echo $PID > ${MDM_PIDS}/seat-parent-window${DISPLAY}-$1.pid
-	SEAT_WINDOW_ID=$(xwininfo -name "seat-parent-window${DISPLAY}-$1"	|
-								grep "Window id"						|
-								cut -d' ' -f4)
+        kill `cat ${MDM_PIDS}/seat-parent-window${DISPLAY}.pid 2> /dev/null`
+        rm -f ${MDM_PIDS}/seat-parent-window${DISPLAY}.pid 2> /dev/null
+        
+        $SEAT_PARENT_WINDOW $MY_SCREEN_SIZE+0+0 seat-parent-window$DISPLAY &
+        PID=$!
+        echo $PID > ${MDM_PIDS}/seat-parent-window${DISPLAY}.pid
+
+        SEAT_WINDOW_ID=$(xwininfo -name "seat-parent-window${DISPLAY}" | grep "Window id" | cut -d' ' -f4)
 
 }
 
@@ -77,17 +69,17 @@ function display_message () {
 
 function parse_config_file () {
 
-    if [ ! -z "${XKB_MODEL[SEAT_NUMBER]}" ]; then
+    if [ ! -z ${XKB_MODEL[SEAT_NUMBER]} ]; then
         MY_XKB_MODEL=${XKB_MODEL[SEAT_NUMBER]}
     else
         MY_XKB_MODEL=$DEFAULT_XKB_MODEL
     fi
-    if [ ! -z "${XKB_LAYOUT[SEAT_NUMBER]}" ]; then
+    if [ ! -z ${XKB_LAYOUT[SEAT_NUMBER]} ]; then
         MY_XKB_LAYOUT=${XKB_LAYOUT[SEAT_NUMBER]}
     else
         MY_XKB_LAYOUT=$DEFAULT_XKB_LAYOUT
     fi
-    if [ ! -z "${MODE[SEAT_NUMBER]}" ]; then
+    if [ ! -z ${MODE[SEAT_NUBMER]} ]; then
         MY_SCREEN_SIZE=${MODE[SEAT_NUMBER]}
     else
         MY_SCREEN_SIZE=$DEFAULT_MODE
@@ -96,11 +88,11 @@ function parse_config_file () {
 }
 
 function select_keyboard () {
-    if [ -e "${MDM_DEVICES}/keyboard${XEPHYR_NUMBER}" ]; then
+    if [ -e "${MDM_DEVICES}/keyboard${SEAT_NUMBER}" ]; then
 	return
     fi
 
-    display_message key_press $XEPHYR_NUMBER
+    display_message key_press $SEAT_NUMBER
 
     CREATED=0
     while (( ! CREATED )); do
@@ -109,7 +101,7 @@ function select_keyboard () {
 	#echo "    Keyboards = $KEYBOARDS" 1>&2
 
 	# Remove used keyboards
-	REMOVE=$(stat -c %N ${MDM_DEVICES}/keyboard* 2> /dev/null|
+	REMOVE=$(stat -c %N $MDM_DEVICES/keyboard* 2> /dev/null|
 	         cut -d'`' -f3 | cut -d"'" -f1)
 	for i in ${REMOVE}; do
 	    KEYBOARDS=`sed "s#$i# #g" <<< $KEYBOARDS`
@@ -118,13 +110,12 @@ function select_keyboard () {
 	
 	if [ -z "$KEYBOARDS" ]; then
 	    # No keyboards. Hopefully someone will connect one.
-	    sleep 10 # Don't use 100% CPU
+	    sleep 1 # Don't use 100% CPU
 	    continue
 	fi
 
 	# See if someone presses the key:
-	PRESSED=$($READ_DEVICES $XEPHYR_NUMBER $KEYBOARDS |
-						grep '^detect' | cut -d'|' -f2)
+	PRESSED=$($READ_DEVICES $SEAT_NUMBER $KEYBOARDS | grep '^detect' | cut -d'|' -f2)
 
 	if [ -z "$PRESSED" ]; then
 	    # if $READ_DEVICES gets killed the script won't do bad stuff
@@ -135,30 +126,30 @@ function select_keyboard () {
 	fi
 
 	# Ok, someone pressed the key
-	ln -sf $PRESSED ${MDM_DEVICES}/keyboard${XEPHYR_NUMBER}
+	ln -sf $PRESSED $MDM_DEVICES/keyboard${SEAT_NUMBER}
 	CREATED=1
 
 	# Verify is there is already another link in $MDM_DEVICES/keyboard* that
 	# points to the device. If there is, erase the one I created and
 	# continue looping
 	for i in `ls $MDM_DEVICES | grep "\<keyboard"`; do
-	    if [ "$i" != "keyboard${XEPHYR_NUMBER}" ]; then
-		AUX=$(stat -c %N ${MDM_DEVICES}/$i| cut -d'`' -f3| cut -d"'" -f1)
+	    if [ "$i" != "keyboard${SEAT_NUMBER}" ]; then
+		AUX=$(stat -c %N $MDM_DEVICES/$i| cut -d'`' -f3| cut -d"'" -f1)
 		if [ "$AUX" = "$PRESSED" ]; then
 		    # Keyboard link already exists...
-		    rm -f ${MDM_DEVICES}/keyboard${XEPHYR_NUMBER}
+		    rm -f $MDM_DEVICES/keyboard${SEAT_NUMBER}
 		    CREATED=0
 		fi
 	    fi
 	done
     done
 
-    KEYBOARD="${MDM_DEVICES}/keyboard${XEPHYR_NUMBER}"
+    KEYBOARD="$MDM_DEVICES/keyboard${SEAT_NUMBER}"
 
 }
 
 function select_mouse () {
-    if [ -e "${MDM_DEVICES}/mouse${XEPHYR_NUMBER}" ]; then
+    if [ -e "${MDM_DEVICES}/mouse${SEAT_NUMBER}" ]; then
 	return
     fi
 
@@ -169,30 +160,30 @@ function select_mouse () {
 	
 	REMOVE=$(stat -c %N ${MDM_DEVICES}/mouse* 2> /dev/null|
 	         cut -d'`' -f3 | cut -d"'" -f1)
-	for i in $REMOVE; do
+	for i in ${REMOVE}; do
 	    MICE=`sed "s#$i# #g" <<< $MICE`
 	done
 	
 	if [ -z "$MICE" ]; then
 	    # No mice. Hopefully someone will connect one.
-	    sleep 10 # Don't use 100% CPU
+	    sleep 1 # Don't use 100% CPU
 	    continue
 	fi
 
 	# Create the lock
 	LOCK_EXISTS=1
 	while (( LOCK_EXISTS )); do
-	    touch ${MDM_DEVICES}/lock${XEPHYR_NUMBER}
+	    touch ${MDM_DEVICES}/lock${SEAT_NUMBER}
 	    LOCK_EXISTS=0
 	    for i in `ls $MDM_DEVICES | grep "\<lock"`; do
-		if [ "$i" != "lock${XEPHYR_NUMBER}" ]; then
+		if [ "$i" != "lock${SEAT_NUMBER}" ]; then
 		    LOCK_EXISTS=1
 		fi
 	    done
 	    if (( LOCK_EXISTS )); then
 		# Yes, we'll call this lots of times...
 		display_message wait 
-		rm -f ${MDM_DEVICES}/lock${XEPHYR_NUMBER}
+		rm -f ${MDM_DEVICES}/lock${SEAT_NUMBER}
 		sleep 1;
 	    fi
 	done
@@ -205,39 +196,39 @@ function select_mouse () {
 
 	if [ -z "$PRESSED" ]; then
 	    # If $READ_DEVICES gets killed, don't do unwanted stuff
-	    rm -f ${MDM_DEVICES}/lock${XEPHYR_NUMBER}
+	    rm -f ${MDM_DEVICES}/lock${SEAT_NUMBER}
 	    continue
 	fi
 	if [ "$PRESSED" = 'timeout' ]; then
 	    # Wait 5 seconds to give other machines the opportunity to enter the
 	    # lock
 	    display_message wait
-	    rm -f ${MDM_DEVICES}/lock${SCRREN_SEAT}
+	    rm -f ${MDM_DEVICES}/lock${SEAT_NUMBER}
 	    sleep 5
 	    continue
 	fi
 
 	# Ok, someone pressed the key
-	ln -sf $PRESSED ${MDM_DEVICES}/mouse${XEPHYR_NUMBER}
+	ln -sf $PRESSED ${MDM_DEVICES}/mouse${SEAT_NUMBER}
 	CREATED=1
 
 	# Verify is there is already another link in $MDM_DEVICES/mouse* that
 	# points to the device. If there is, erase the one I created and
 	# continue looping
 	for i in `ls $MDM_DEVICES | grep "\<mouse"`; do
-	    if [ "$i" != "mouse${XEPHYR_NUMBER}" ]; then
+	    if [ "$i" != "mouse${SEAT_NUMBER}" ]; then
 		AUX=$(stat -c %N ${MDM_DEVICES}/$i| cut -d'`' -f3|cut -d"'" -f1)
 		if [ "$AUX" = "$PRESSED" ]; then
 		    # Mouse link already exists...
-		    rm -f ${MDM_DEVICES}/mouse${XEPHYR_NUMBER}
+		    rm -f ${MDM_DEVICES}/mouse${SEAT_NUMBER}
 		    CREATED=0
 		fi
 	    fi
 	done
-	rm -f ${MDM_DEVICES}/lock${XEPHYR_NUMBER}
+	rm -f ${MDM_DEVICES}/lock${SEAT_NUMBER}
     done
 
-    MOUSE="${MDM_DEVICES}/mouse${XEPHYR_NUMBER}"
+    MOUSE="${MDM_DEVICES}/mouse${SEAT_NUMBER}"
 }
 
 parse_config_file
@@ -245,32 +236,29 @@ parse_config_file
 KEYBOARD=
 MOUSE=
 SEAT_WINDOW_ID=
-SECOND_ID=
-SCREEN_POSITIONS=($(grep -A4 $DISPLAY $XRANDR_INFO	|
-					tail -1							|
-					cut -d'=' -f2))
 
-# In case $SCREEN_POSITIONS has only one value, and XEPHYR_NUMBER is odd
-# the open_seat_parent_window given parameter would be empty
-# (${SCREEN_POSITION[1]}, for example), so, we translate this parameter.
-open_seat_parent_window ${SCREEN_POSITIONS[$((XEPHYR_NUMBER%2))]:=0}
+open_seat_parent_window
 
 while (( 1 )); do
+
     #log --log-file-only "Configuring devices..."
     echo -e "\n--"
     echo "Configuring seat:"
+
     echo "  selecting keyboard"
     select_keyboard
     echo "  selecting mouse"
     select_mouse
+
     echo "  starting seat"
-    display_manager_start_seat $SEAT_WINDOW_ID
+    display_manager_start_seat
     
     display_message reconfigure
 
     PRESSED=$($READ_DEVICES 14 $KEYBOARD | grep '^detect' | cut -d'|' -f2)
     if [ "$PRESSED" = 'esc' ]; then
-        rm -f $KEYBOARD
-        rm -f $MOUSE
+	rm -f $KEYBOARD
+	rm -f $MOUSE
     fi
+
 done
-- 
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