#!/bin/sh

# X session startup script: /etc/X11/Xsession.d/50_light-themes-borders

# When ubuntu-2d session is used, set the window border widths of Ambiance
# and Radiance themes to 4 pixels, instead of 1 (for normal frame geometry)
# Restore default values for other sessions.
# 2012 <renbag@gmail.com>


if [ "$(cat /etc/lsb-release | grep DISTRIB_CODENAME | awk -F = '{print $2}')" = "precise" ]; then

  SCRIPT_NAME="50_light-themes-borders"
  THEMES="Ambiance Radiance"

  THEMES_VERSION="$(dpkg -l | grep light-themes | awk '{print $3}')"
  LAST_THEMES_VERSION="$THEMES_VERSION"

  if [ "$GDMSESSION" = "ubuntu-2d" ] || [ "$GDMSESSION" = "gnome-fallback" ]; then
    for i in $THEMES; do
      # check last recorded light-themes version
      if [ -f $HOME/.themes/$SCRIPT_NAME-$i ]; then
        LAST_THEMES_VERSION="$(cat $HOME/.themes/$SCRIPT_NAME-$i | grep THEME_VERSION | awk -F = '{print $2}')"
      fi
      # avoid to overwrite already present customizations
      if ! [ -d $HOME/.themes/$i ] || [ "$THEMES_VERSION" != "$LAST_THEMES_VERSION" ]; then
        # remove theme directories if light-themes version has changed
        if [ "$THEMES_VERSION" != "$LAST_THEMES_VERSION" ]; then
          rm -rf $HOME/.themes/$i
          rm -f $HOME/.themes/$SCRIPT_NAME-$i
        fi
        mkdir $HOME/.themes
        # placeholder for changes made by this script
        touch $HOME/.themes/$SCRIPT_NAME-$i
        echo "This file was generated by /etc/X11/Xsession.d/$SCRIPT_NAME." > $HOME/.themes/$SCRIPT_NAME-$i
        echo "Remove it if you want to customize the $i theme." >> $HOME/.themes/$SCRIPT_NAME-$i
        echo "" >> $HOME/.themes/$SCRIPT_NAME-$i
        echo "THEME_VERSION=$THEMES_VERSION" >> $HOME/.themes/$SCRIPT_NAME-$i
        # copy themes to $HOME/.themes directory and modify the border width
        cp -af /usr/share/themes/$i $HOME/.themes
        sed -i '
/^<frame_geometry[\t\ ]*name="frame_geometry_normal"[\t\ ]*title_scale="medium"[\t\ ]*rounded_top_left="true"[\t\ ]*rounded_top_right="true"[\t\ ]*rounded_bottom_left="false"[\t\ ]*rounded_bottom_right="false">/ {
N
N
N
s/[\t\ ]*<distance name="left_width" value="1"\/>\n[\t\ ]*<distance name="right_width" value="1"\/>\n[\t\ ]*<distance name="bottom_height" value="1"\/>/  <distance name="left_width" value="4"\/>\
  <distance name="right_width" value="4"\/>\
  <distance name="bottom_height" value="4"\/>/g
}' $HOME/.themes/$i/metacity-1/metacity-theme-1.xml
      fi
    done
  else
    # delete theme directories modified by this script when using other sessions
    for i in $THEMES; do
      if [ -f $HOME/.themes/$SCRIPT_NAME-$i ]; then
        rm -rf $HOME/.themes/$i
        rm -f $HOME/.themes/$SCRIPT_NAME-$i
      fi
    done
  fi
fi