From 60f365e413be60cd7d7a616c62200c33361e43f8 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 11 Oct 2018 15:07:41 +0200
Subject: [xscreensaver] Build bwlp-screensaver

---
 .../data/etc/X11/Xsession.d/95-xscreensaver        | 73 +++++++++++++++++-----
 core/modules/xscreensaver/module.build             |  9 ++-
 core/modules/xscreensaver/module.conf              |  6 ++
 3 files changed, 73 insertions(+), 15 deletions(-)

(limited to 'core/modules/xscreensaver')

diff --git a/core/modules/xscreensaver/data/etc/X11/Xsession.d/95-xscreensaver b/core/modules/xscreensaver/data/etc/X11/Xsession.d/95-xscreensaver
index 469e090a..d8bd831a 100755
--- a/core/modules/xscreensaver/data/etc/X11/Xsession.d/95-xscreensaver
+++ b/core/modules/xscreensaver/data/etc/X11/Xsession.d/95-xscreensaver
@@ -1,34 +1,79 @@
 #!/bin/ash
 
+DPMS=False
 if which xscreensaver; then
 	[ -z "$UID" ] && UID=$(id -u)
 	[ -z "$HOME" ] && HOME="$(getent passwd "$UID" | head -n 1 | awk -F ':' '{print $6}')"
-	if ! [ -s "$HOME/.xscreensaver" ]; then
-		. /opt/openslx/config
-		NUM=${SLX_SCREEN_STANDBY_TIMEOUT}
-		[ -n "${SLX_EXAM}" ] && NUM=0
-		if [ -n "$NUM" ] && [ "$NUM" -gt 60 ]; then
-			SECS=0$(( NUM % 60 ))
-			MINS=0$(( ( NUM / 60 ) % 60 ))
-			HRS=0$(( ( NUM / 3600 ) % 60 ))
-			STANDBY="${HRS:$(( ${#HRS} - 2 )):2}:${MINS:$(( ${#MINS} - 2 )):2}:${SECS:$(( ${#SECS} - 2 )):2}"
-		else
-			STANDBY=0:00:00
+	. /opt/openslx/config
+	SBY=${SLX_SCREEN_STANDBY_TIMEOUT}
+	if [ -n "${SLX_EXAM}" ]; then
+		SLX_LOGOUT_TIMEOUT=0
+		SBY=0
+	elif [ -z "$SBY" ]; then
+		SBY=0
+	elif [ "$SBY" -gt 0 ] && [ "$SBY" -lt 60 ]; then
+		SBY=60
+	elif ! [ "$SBY" -ge 0 ]; then # isNumeric?
+		SBY=0
+	fi
+	# Make sure standby timeout is less than logout timeout, otherwise, disable standby
+	if [ "$SBY" -gt 0 ]; then
+		if [ "$SLX_LOGOUT_TIMEOUT" -gt 0 ]; then
+			if [ "$SBY" -lt 300 ]; then
+				SBY=300
+			fi
+			if [ "$SLX_LOGOUT_TIMEOUT" -lt "$SBY" ]; then
+				SBY=0
+			fi
 		fi
+	fi
+	# Create config value for standby timeout
+	[ "$NUM" -gt 0 ] && DPMS=True
+	NUM=$SBY
+	SECS=0$(( NUM % 60 ))
+	MINS=0$(( ( NUM / 60 ) % 60 ))
+	HRS=0$(( ( NUM / 3600 ) % 60 ))
+	STANDBY="${HRS:$(( ${#HRS} - 2 )):2}:${MINS:$(( ${#MINS} - 2 )):2}:${SECS:$(( ${#SECS} - 2 )):2}"
+	# Create config for screensaver activation timeout
+	if [ "$SLX_LOGOUT_TIMEOUT" -gt 0 ] && [ "$SBY" -eq 0 ]; then
+		# Standby is disabled, consider logout timeout
+		TMO=$SLX_LOGOUT_TIMEOUT
+	else
+		# Consider standby timeout
+		TMO=$SBY
+	fi
+	# Start screen saver 3 minutes before forced logout, or screen enters standby
+	TMO=$(( TMO - 180 ))
+	if [ "$TMO" -gt 0 ]; then
+		[ "$TMO" -gt 1200 ] && TMO=$(( TMO - 300 ))
+		NUM=$TMO
+		SECS=0$(( NUM % 60 ))
+		MINS=0$(( ( NUM / 60 ) % 60 ))
+		HRS=0$(( ( NUM / 3600 ) % 60 ))
+		TIMEOUT="${HRS:$(( ${#HRS} - 2 )):2}:${MINS:$(( ${#MINS} - 2 )):2}:${SECS:$(( ${#SECS} - 2 )):2}"
+	else
+		TIMEOUT="99:00:00"
+	fi
+	if ! [ -s "$HOME/.xscreensaver" ]; then
 		cat > "$HOME/.xscreensaver" <<EOF
-mode:         blank
-timeout:      24:00:00
+mode:         one
+cycle:        99:00:00
+timeout:      $TIMEOUT
 lock:         True
 lockTimeout:  0:00:10
 fade:         False
 unfade:       False
-dpmsEnabled:  True
+dpmsEnabled:  $DPMS
 dpmsStandby:  $STANDBY
 dpmsSuspend:  $STANDBY
 dpmsOff:      $STANDBY
+newLoginCommand:
+programs:     /opt/openslx/bin/bwlp-screensaver
+selected:     0
 EOF
 	fi
 	xscreensaver -no-splash &
 fi
+
 true
 
diff --git a/core/modules/xscreensaver/module.build b/core/modules/xscreensaver/module.build
index 5fa3a36f..c78497fb 100644
--- a/core/modules/xscreensaver/module.build
+++ b/core/modules/xscreensaver/module.build
@@ -1,9 +1,16 @@
 #!/bin/bash
 fetch_source() {
-	:
+	git clone "${REQUIRED_GIT}" "${MODULE_WORK_DIR}/src" || perror "Could not clone $REQUIRED_GIT"
 }
 
 build() {
+	[ ! -d "${MODULE_BUILD_DIR}/${REQUIRED_PREFIX}" ] && mkdir -p "${MODULE_BUILD_DIR}/${REQUIRED_PREFIX}"
+	cd "${MODULE_BUILD_DIR}/${REQUIRED_PREFIX}"
+
+	pinfo "Running cmake"
+
+	cmake "$SRCDIR" || perror "'cmake $SRCDIR' failed."
+	make || perror "'make' failed."
 	COPYLIST="list_dpkg_output"
 	list_packet_files > "$COPYLIST"
 	tarcopy "$(cat "${COPYLIST}" | sort -u)" "${MODULE_BUILD_DIR}"
diff --git a/core/modules/xscreensaver/module.conf b/core/modules/xscreensaver/module.conf
index e4d90404..defefddf 100644
--- a/core/modules/xscreensaver/module.conf
+++ b/core/modules/xscreensaver/module.conf
@@ -1,7 +1,13 @@
 #!/bin/bash
+REQUIRED_MODULES="
+	qt5core
+"
+REQUIRED_GIT="git://git.openslx.org/openslx-ng/bwlp-screensaver.git"
+REQUIRED_PREFIX="/opt/openslx/bin"
 REQUIRED_BINARIES="
 	xscreensaver
 	xscreensaver-command
+	bwlp-screensaver
 "
 REQUIRED_LIBRARIES=""
 REQUIRED_DIRECTORIES="
-- 
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