3 files changed, 63 insertions, 5 deletions
diff --git a/data/xsession/openbox-gnome-session.in b/data/xsession/openbox-gnome-session.in
index 278ac6a8..de46bec5 100644
--- a/data/xsession/openbox-gnome-session.in
+++ b/data/xsession/openbox-gnome-session.in
@@ -7,6 +7,54 @@ if test -n "$1"; then
   exit
 fi
 
-# Run GNOME with Openbox as its window manager
-export WINDOW_MANAGER="@bindir@/openbox"
-exec gnome-session --choose-session=openbox-session "$@"
+# Clean up after GDM
+xprop -root -remove _NET_NUMBER_OF_DESKTOPS \
+      -remove _NET_DESKTOP_NAMES \
+      -remove _NET_CURRENT_DESKTOP 2> /dev/null
+
+VER=$(gnome-session --version 2>/dev/null | \
+      sed -e 's/[^0-9.]*\([0-9.]\+\)/\1/')
+
+MAJOR=$(echo $VER | cut -d . -f 1)
+MINOR=$(echo $VER | cut -d . -f 2)
+
+# run GNOME with Openbox as its window manager
+
+if test $MAJOR -lt 2 || (test $MAJOR = 2 && test $MINOR -le 22); then
+  # old gnome-session was easy to work with
+  export WINDOW_MANAGER="@bindir@/openbox"
+  exec gnome-session --choose-session=openbox-session "$@"
+else
+  # new gnome-session requires openbox to be set in gconf and an
+  # openbox.desktop to be installed in the applications directory
+
+  SPATH=/desktop/gnome/session
+
+  # get the current default session
+  SESSION=$(gconftool-2 -g $SPATH/default_session 2> /dev/null)
+
+  # make sure openbox is going to be run
+  if test -z "$SESSION"; then
+      # if its empty then just run openbox
+      SESSION="[openbox]"
+  elif test -z $(echo "$SESSION" | grep -q openbox); then
+      # if openbox isn't in the session then append it
+      SESSION="${SESSION%]},openbox]"
+  fi
+
+  # get the current GNOME/Openbox session
+  OB_SESSION=$(gconftool-2 -g $SPATH/openbox_session 2> /dev/null)
+
+  # update the GNOME/Openbox session if needed
+  if x$OB_SESSION != x$SESSION; then
+      # the default session changed or we didn't run GNOME/Openbox before
+      gconftool-2 -t list --list-type=strings -s $SPATH/openbox_session \
+        "$SESSION" 2> /dev/null
+  fi
+
+  # run GNOME/Openbox
+  exec gnome-session --default-session-key $SPATH/openbox_session "$@"
+fi
+
+
+
diff --git a/data/xsession/openbox-kde-session.in b/data/xsession/openbox-kde-session.in
index 16017260..5299b045 100644
--- a/data/xsession/openbox-kde-session.in
+++ b/data/xsession/openbox-kde-session.in
@@ -7,6 +7,11 @@ if test -n "$1"; then
   exit
 fi
 
+# Clean up after GDM
+xprop -root -remove _NET_NUMBER_OF_DESKTOPS \
+      -remove _NET_DESKTOP_NAMES \
+      -remove _NET_CURRENT_DESKTOP 2> /dev/null
+
 # Run KDE with Openbox as its window manager
 export KDEWM="@bindir@/openbox"
 exec startkde "$@"
diff --git a/data/xsession/openbox-session.in b/data/xsession/openbox-session.in
index 259dc580..fa1bb996 100644
--- a/data/xsession/openbox-session.in
+++ b/data/xsession/openbox-session.in
@@ -7,13 +7,18 @@ if test -n "$1"; then
   exit
 fi
 
+# Clean up after GDM
+xprop -root -remove _NET_NUMBER_OF_DESKTOPS \
+      -remove _NET_DESKTOP_NAMES \
+      -remove _NET_CURRENT_DESKTOP 2> /dev/null
+
 AUTOSTART="${XDG_CONFIG_HOME:-"$HOME/.config"}/openbox/autostart.sh"
 GLOBALAUTOSTART="@configdir@/openbox/autostart.sh"
 
-if test -e $AUTOSTART; then
+if test -r $AUTOSTART; then
     . $AUTOSTART
 else
-    if test -e $GLOBALAUTOSTART; then
+    if test -r $GLOBALAUTOSTART; then
         . $GLOBALAUTOSTART
     fi
 fi