1 files changed, 365 insertions, 0 deletions
diff --git a/x11-drivers/xf86-input-wacom/files/wacom.in b/x11-drivers/xf86-input-wacom/files/wacom.in
new file mode 100644
index 000000000000..79c8c4357add
--- /dev/null
+++ b/x11-drivers/xf86-input-wacom/files/wacom.in
@@ -0,0 +1,365 @@
+#!/bin/sh 
+
+# PROVIDE: wacom
+# REQUIRE: FILESYSTEMS
+#
+# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
+# to enable this service:
+#
+# wacom_enable (bool):   Set to NO by default.
+#               Set it to YES to enable wacom.
+#
+# This script additionally offers setup and cleanup to configure Xorg
+# for use of the driver or remove the configuration settings.
+# The input devices are only added to the first ServerLayout section
+# and also only removed once.
+#
+
+. %%RC_SUBR%%
+
+name="wacom"
+rcvar=${name}_enable
+
+extra_commands="setup cleanup"
+setup_cmd=do_setup
+start_cmd=do_start
+stop_cmd=do_stop
+cleanup_cmd=do_cleanup
+
+#
+# Outputs the location of the Xorg configuration file.
+# Returns 1 if no file could be found.
+#
+get_xorg_conf() {
+	local config_locations config
+
+	# Possible Xorg configuration file locations, taken from the
+	# xorg.conf(5) manual page.
+	config_locations="
+/etc/X11/$XORGCONFIG
+%%PREFIX%%/etc/X11/$XORGCONFIG
+/etc/X11/xorg.conf-4
+/etc/X11/xorg.conf
+/etc/xorg.conf
+%%PREFIX%%/etc/X11/xorg.conf.$HOST
+%%PREFIX%%/etc/X11/xorg.conf-4
+%%PREFIX%%/etc/X11/xorg.conf
+%%PREFIX%%/lib/X11/xorg.conf.$HOST
+%%PREFIX%%/lib/X11/xorg.conf-4
+%%PREFIX%%/lib/X11/xorg.conf
+NONE
+"
+
+	# Find the first matching config file.
+	for config in $config_locations; {
+		test -f "$config" && break
+	}
+
+	if [ "$config" = "NONE" ]; then
+		echo "No Xorg configuration has been found." 1>&2
+		return 1
+	fi
+
+	echo "$config"
+	return 0
+}
+
+#
+# Returns the line number of the first line matching the extended regular
+# expression $2 in the file $1.
+#
+# @param $1
+#	The file to get the line number from.
+# @param $2
+#	An extend regular expression.
+# @stdout
+#	The line number of the first line matching $2.
+#
+get_first() {
+	local result IFS
+	IFS='
+'
+	result="$(/usr/bin/grep -Ein "$2" "$1")"
+	result="${result%%:*}"
+
+	# No match.
+	if [ -z "$result" ]; then
+		return 1
+	fi
+
+	echo "$result"
+	return 0
+}
+
+#
+# Returns the line number of the line before line number $2 that matches the
+# extended regular expression $3 in the file $1.
+#
+# @param $1
+#	The file to get the line number from.
+# @param $2
+#	The line before which the expression should match.
+# @param $3
+#	An extend regular expression.
+# @stdout
+#	The line number of the first line before line $2 matching $3.
+#
+get_before() {
+	local result IFS line length
+	IFS='
+'
+
+	# The length is necessary to make sure the check is run once
+	# again for the last match.
+	length="$(/usr/bin/wc -l "$1")"
+	length=${length% *}
+
+	result=-1
+	for line in $(/usr/bin/grep -Ein "$3" "$1") $(($length + 1)); {
+		line="${line%%:*}"
+
+		# We have passed the line to look for.
+		if [ $line -ge $2 ]; then
+
+			# No match before this line.
+			if [ $result -lt 0 ]; then
+				return 1
+			fi
+
+			echo "$result"
+			return 0
+		fi
+
+		result=$line
+	}
+
+	# No result.
+	return 1
+}
+
+#
+# Returns the line number of the line behind line number $2 that matches the
+# extended regular expression $3 in the file $1.
+#
+# @param $1
+#	The file to get the line number from.
+# @param $2
+#	The line behind which the expression should match.
+# @param $3
+#	An extend regular expression.
+# @stdout
+#	The line number of the first line behind line $2 matching $3.
+#
+get_behind() {
+	local IFS line
+	IFS='
+'
+
+	for line in $(/usr/bin/grep -Ein "$3" "$1"); {
+		line="${line%%:*}"
+
+		# We have passed the line to look for.
+		if [ $line -gt $2 ]; then
+			echo "$line"
+			return 0
+		fi
+	}
+
+	# No result.
+	return 1
+}
+
+#
+# Inserts a line at the end of a section of an Xorg configuration file.
+# Only works on the first matching section.
+#
+section_insert_line() {
+	local file section insert begin end length
+	file="$1"
+	section="$2"
+	insert="$3"
+
+	# Find the beginning of the section.
+	begin="$(get_first "$file" \
+		"^[[:space:]]*Section[[:space:]]+\"$section\"" \
+	)"
+
+	if [ -z "$begin" ]; then
+		echo "Identifying section $section has failed." 1>&2
+		return 1
+	fi
+
+	# Find the end of the section.
+	end="$(get_behind "$file" "$begin" "^[[:space:]]*EndSection")"
+
+	if [ -z "$end" ]; then
+		echo "The section $section is not closed." 1>&2
+		return 2
+	fi
+
+	# Determine the length of the configuration file.
+	length="$(/usr/bin/wc -l "$file")"
+	length=${length% *}
+
+	# Insert the line.
+	/bin/cp "$file" "$file.$$"
+
+	/usr/bin/head -n$(($end - 1)) "$file.$$" > "$file"
+	echo "$insert" >> "$file"
+	/usr/bin/tail -n$(($length - $end + 1)) "$file.$$" >> "$file"
+	
+	/bin/rm "$file.$$"
+}
+
+#
+# Adds the necessary lines to the Xorg configuration.
+#
+do_setup() {
+	local config ident status
+
+	# Get the Xorg configuration file.
+	config="$(get_xorg_conf)"
+	status=$?
+	test $status -ne 0 && return $status
+
+	echo "Setting up configuration in $config."
+
+	# Add all the necessary sections.
+	for ident in stylus eraser cursor pad touch; {
+		if /usr/bin/grep -Eqi "^[[:space:]]*Identifier[[:space:]]+\"$ident\"" "$config"; then
+			echo "Skipping $ident, because it already exists in $config."
+			continue
+		fi
+
+		echo "Inserting $ident."
+
+		echo "Section \"InputDevice\"
+	Driver		\"wacom\"
+	Identifier	\"$ident\"
+	Option		\"Device\"	\"/dev/event0\"
+	Option		\"Type\"	\"$ident\"
+	Option		\"USB\"		\"on\"
+EndSection
+" >> "$config"
+
+		section_insert_line "$config" "ServerLayout" "	InputDevice	\"$ident\"	\"SendCoreEvents\""
+	}
+
+}
+
+#
+# Removes all wacom stuff from the Xorg configuration file. Beware,
+# this also affects handwritten content.
+#
+do_cleanup() {
+	local config status driver i begin last_begin end length ident IFS
+
+	# Get the Xorg configuration file.
+	config="$(get_xorg_conf)"
+	status=$?
+	test $status -ne 0 && return $status
+
+	echo "Removing wacom entries from $config."
+
+	IFS='
+'
+	while true; do
+		# Find a wacom section.
+		driver="$(get_first "$config" \
+			"^[[:space:]]*Driver[[:space:]]+\"wacom\"" \
+		)"
+
+		# Not a numeric, no more wacom sections left.
+		test -z "$driver" && break
+
+		# Find the beginning of the section.
+		begin="$(get_before "$config" "$driver" \
+			"^[[:space:]]*Section[[:space:]]+\"InputDevice\"" \
+		)"
+
+		if [ -z "$begin" ]; then
+			echo "Beginning of wacom driver section" \
+				"could not be found!" 1>&2
+			return 1
+		fi
+
+		# Find the end of the section.
+		end="$(get_behind "$config" "$driver" \
+			"^[[:space:]]*EndSection" \
+		)"
+
+		if [ -z "$end" ]; then
+			echo "The Wacom driver section is" \
+				"not closed properly." 1>&2
+			return 2
+		fi
+
+		# Determine the length of the configuration file.
+		length="$(/usr/bin/wc -l "$config")"
+		length=${length% *}
+
+		# Adjust the end by trailing newlines.
+		while [ $end -lt $length -a \
+			-z "$(/usr/bin/tail -n$(($length - $end)) "$config" \
+			| /usr/bin/head -n1)" ]; do
+			end=$(($end + 1))
+		done
+
+		# Remove the section.
+		/bin/cp "$config" "$config.$$"
+
+		/usr/bin/head -n$(($begin - 1)) "$config.$$" > "$config"
+		/usr/bin/tail -n$(($length - $end)) "$config.$$" >> "$config"
+	
+		/bin/rm "$config.$$"
+	done
+	IFS='	 
+'
+
+	echo "Cleaning up ServerLayout section."
+
+	for ident in stylus eraser cursor pad touch; {
+		driver="$(get_first "$config" \
+			"[[:space:]]*InputDevice[[:space:]]+\"$ident\"" \
+		)"
+
+		# There is no line matching this driver.
+		test -z "$driver" && continue
+
+		# Determine the length of the configuration file.
+		length="$(/usr/bin/wc -l "$config")"
+		length=${length% *}
+
+		# Remove the section.
+		/bin/cp "$config" "$config.$$"
+
+		/usr/bin/head -n$(($driver - 1)) "$config.$$" > "$config"
+		/usr/bin/tail -n$(($length - $driver)) "$config.$$" >> "$config"
+	
+		/bin/rm "$config.$$"
+	}
+}
+
+do_start() {
+	if /sbin/kldstat | /usr/bin/grep -q uwacom; then
+		echo "${name} is already running."
+		return 0
+	fi
+	echo "Starting ${name}."
+	/sbin/kldload %%KMODDIR%%/uwacom.ko
+}
+
+do_stop() {
+	if ! /sbin/kldstat | /usr/bin/grep -q uwacom; then
+		echo "${name} is not running."
+		return 0
+	fi
+	echo "Stopping ${name}."
+	/sbin/kldunload %%KMODDIR%%/uwacom.ko
+}
+
+load_rc_config $name
+
+: ${wacom_enable="NO"}
+
+run_rc_command "$1"