567 lines
17 KiB
Bash
567 lines
17 KiB
Bash
#!/bin/sh
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#
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# Set wallpaper for fluxbox.
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#
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# Copyright (c) 2003-2004 Han Boetes <han@mijncomputer.nl>
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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# Portability notes:
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# To guarantee this script works on all platforms that support fluxbox
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# please keep the following restrictions in mind:
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#
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# - don't use if ! command;, use command; if [ $? -ne 0 ];
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# - don't use [ -e file ] use [ -r file ]
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# - don't use $(), use ``
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# - don't use ~, use ${HOME}
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# - don't use id -u or $UID, use whoami
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# - don't use echo -e
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# - getopts won't work on all platforms, but the config-file can
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# compensate for that.
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# - various software like grep/sed/perl may be not present or not
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# the version you have. for example grep '\W' only works on gnu-grep.
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# Keep this in mind, use bare basic defaults.
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# - Do _NOT_ suggest to use #!/bin/bash. Not everybody uses bash.
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# TODO purheps: xprop -root _WIN_WORKSPACE
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# _NET_CURRENT_DESKTOP
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# The wallpapersetter is selected in this order
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wpsetters="${wpsetters:=Esetroot wmsetbg feh hsetroot chbg display qiv xv xsri xli xsetbg}" # broken icewmbg'
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lastwallpaper="${HOME}/.fluxbox/lastwallpaper"
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DISPLAY=${DISPLAY%.0}
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WHOAMI=`whoami`
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[ "$WHOAMI" = root ] && PATH=/bin:/usr/bin/:/usr/local/bin:/usr/X11R6/bin
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command="`basename \"$0\"`"
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# Functions
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display_usage() {
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cat << EOF
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Usage: $command [-u/-U [wallpapersetter]] [-fFcCtTaA] /path/to/wallpaper
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$command [-u/-U [wallpapersetter]] [-fFcCtTaA] -r/-R /path/to/directory
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$command [-b/-B fbsetrootoptions]
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$command [-lhip]
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Use \`\`$command -h'' for a complete help message.
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EOF
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}
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display_help() {
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display_usage
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cat << EOF
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Options:
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-u Use specified wallpapersetter, use no argument to forget.
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-f Set fullscreen wallpaper (default).
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-c Set centered wallpaper.
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-t Set tiled wallpaper.
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-a Set maximized wallpaper, preserving aspect.
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( if your wallpapersetter doesn't support this
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we fall back to -f )
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-r set random wallpaper from a directory
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-b Forward the rest of the arguments to fbsetroot(1).
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This can be used to set solid, pattern, or gradient backgrounds.
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-F,-C,-T,-A,-U,-B,-R same as lower-case, but without remembering.
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-h Display this help.
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-l Set previous wallpaper.
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-i Information about selected wallpaper command.
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-d (deprecated, use -i) Debug info.
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-p Tips.
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Files:
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~/.fluxbox/lastwallpaper In this file the wallpaper you set
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will be stored, for the -l option:
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Environment variables:
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wpsetters Wallpapersetters to use.
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example:
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wpsetters=feh fbsetbg wallpaper.jpg
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DISPLAY The display you want to set the wallpaper on.
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example:
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DISPLAY=:0.0 fbsetbg -l
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EOF
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}
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display_tips() {
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cat << EOF
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Common tips to use with $command:
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1) To replace all occurrences of bsetbg with $command in a file use this
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command:
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perl -pi -e 's,([^f]|^)bsetbg,$command,' filename
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2) If you want to set the wallpaper and you want $command to
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remember the previous wallpaper put this in your ~/.fluxbox/overlay
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background: none
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3) Use $command -i to find out what wallpapersetter $command will be
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used and what $command thinks about it.
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EOF
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}
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# some shell's hash returns 0 always
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if hash this_program_does_not_exist-no_really-aA1zZ9 > /dev/null 2>&1; then
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# can't rely on return value
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# ash / ksh
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find_it() {
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which "$1" > /dev/null 2>&1
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}
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else
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# can rely on return value
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# bash / dash / zsh / sh on Solaris
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find_it() {
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[ -n "$1" ] && hash "$1" 2> /dev/null
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}
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fi
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message() {
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# This Terminal detection method is inaccurate. Looking for a
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# replacement.
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# echo if we have terminal output, otherwise pop up a window
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# if [ -t 1 ]; then
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# echo "$command: $@"
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# else
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extra_args="-default okay"
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if find_it gxmessage; then
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gxmessage $extra_args -center "$command: $@" &
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else
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xmessage $extra_args -center "$command: $@" &
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fi
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# fi
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}
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remembercommand() {
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grep -vs "|${DISPLAY}$\||${DISPLAY}\.0$" ${lastwallpaper} > ${lastwallpaper}.tmp
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mv -f ${lastwallpaper}.tmp ${lastwallpaper}
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if [ "$option" = fbsetroot ]; then
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echo $option"|$wallpaper|$style|"$DISPLAY >> $lastwallpaper
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return
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fi
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# Make dir/../../path/file.jpg work
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case $wallpaper in
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# no spaces allowed between the varname and '|'
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/*) echo $option $option2"|$wallpaper|$style|"$DISPLAY >> $lastwallpaper ;;
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*) echo $option $option2"|$PWD/$wallpaper|$style|"$DISPLAY >> $lastwallpaper ;;
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esac
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}
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debugfbsetbg() {
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echo
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echo $debugstory
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echo $sad_esetroot_story
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exit 0
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}
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use_fbsetroot() {
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fbsetroot $wallpaper
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if [ ! "$remember" = false ]; then
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remembercommand
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fi
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exit 0
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}
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if [ $# -eq 0 ]; then
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message "no options given"
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display_usage
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exit 1
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fi
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# create directory and last wallpaper file
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if [ ! -d "$HOME/.fluxbox" ]; then
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mkdir "$HOME/.fluxbox"
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touch ${lastwallpaper}
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fi
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unset debug setterfromcommandline
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# Parse command-line options
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while [ $# -gt 0 ]; do
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case "$1" in
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-u)
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if find_it "$2"; then
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grep -v wpsetters $lastwallpaper > ${lastwallpaper}.tmp
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echo "wpsetters $2" >> ${lastwallpaper}.tmp
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mv ${lastwallpaper}.tmp $lastwallpaper
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WPSETTER=$2
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setterfromcommandline=true
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elif [ -z "$2" ]; then
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grep -v wpsetters $lastwallpaper > ${lastwallpaper}.tmp
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mv ${lastwallpaper}.tmp $lastwallpaper
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message "wpsetter removed from historyfile"
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exit 0
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else
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message "Couldn't find \"$2\" for wallpapersetter"
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display_usage
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exit 1
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fi
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shift 2 ;;
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-U)
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if find_it "$2"; then
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WPSETTER=$2
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setterfromcommandline=true
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else
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message "Couldn't find \"$2\" for wallpapersetter"
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display_usage
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exit 1
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fi
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shift 2 ;;
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-d|-i) debug=true
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break ;;
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-a) option='$aspect'
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shift ;;
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-f) option='$full'
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shift ;;
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-c) option='$center'
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shift ;;
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-t) option='$tile'
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shift ;;
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-A) option='$aspect'
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remember=false
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shift ;;
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-F) option='$full'
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remember=false
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shift ;;
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-C) option='$center'
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remember=false
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shift ;;
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-T) option='$tile'
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remember=false
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shift ;;
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-b) option=fbsetroot
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shift
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wallpaper=$*
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break ;;
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-B) option=fbsetroot
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shift
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wallpaper=$*
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remember=false
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break ;;
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-r) option2=$option
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option=random
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wallpaper=$2 # in this case it's a dir
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break ;;
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-R) option2=$option
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option=random
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wallpaper=$2 # in this case it's a dir
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remember=false
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break ;;
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-l)
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if [ -r "$lastwallpaper" ]; then
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option=`grep "|${DISPLAY}$" $lastwallpaper|cut -d'|' -f1`
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option2=`echo $option|cut -d' ' -f2`
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option=`echo $option|cut -d' ' -f1`
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wallpaper=`grep "|${DISPLAY}$" $lastwallpaper|cut -d'|' -f2`
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if [ -z "$wallpaper" ]; then
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option=`grep "|${DISPLAY}.0$" $lastwallpaper|cut -d'|' -f1`
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option2=`echo $option|cut -d' ' -f2`
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option=`echo $option|cut -d' ' -f1`
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wallpaper=`grep "|${DISPLAY}.0$" $lastwallpaper|cut -d'|' -f2`
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fi
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if [ -z "$wallpaper" ]; then
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message "No previous wallpaper recorded for display ${DISPLAY}"
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exit 1
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fi
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else
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message "No previous wallpaper recorded for display ${DISPLAY}"
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exit 1
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fi
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remember=false
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break ;;
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-z)
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if [ -r "$lastwallpaper" ]; then
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option=`grep "|${DISPLAY}$" $lastwallpaper|cut -d'|' -f1`
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option2=`echo $option|cut -d' ' -f2`
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option=`echo $option|cut -d' ' -f1`
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style=`grep "|${DISPLAY}$" $lastwallpaper|cut -d'|' -f3`
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wallpaper=`grep "|${DISPLAY}$" $lastwallpaper|cut -d'|' -f2`
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if [ -z "$wallpaper" ]; then
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option=`grep "|${DISPLAY}.0$" $lastwallpaper|cut -d'|' -f1`
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option2=`echo $option|cut -d' ' -f2`
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option=`echo $option|cut -d' ' -f1`
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style=`grep "|${DISPLAY}.0$" $lastwallpaper|cut -d'|' -f3`
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wallpaper=`grep "|${DISPLAY}.0$" $lastwallpaper|cut -d'|' -f2`
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fi
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fi
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if [ "$style" != "style" -a -n "$wallpaper" ]; then
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remember=false
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break
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fi
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ignore_missing_wallpaper=true
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style="style"
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shift ;;
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-Z)
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style="style"
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shift ;;
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-p) display_tips ; exit 0 ;;
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-h) display_help ; exit 0 ;;
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--)
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message "$command doesn't recognize -- gnu-longopts."
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message 'Use $command -h for a help message.'
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display_usage
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exit 1 ;;
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-*)
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message "unrecognized option "\`"$1'"
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display_usage
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exit 1 ;;
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*)
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if [ "$option" = random ]; then
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option='$aspect'
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elif [ ! -r "$1" ]; then
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message "$1 isn't an existing wallpaper or a valid option."
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display_usage
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exit 1
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elif [ -z "$1" ]; then
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message 'No wallpaper to set'
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display_usage
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exit 1
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else
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wallpaper=$1
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break
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fi ;;
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esac
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done
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if [ "$option" = "fbsetroot" ]; then
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use_fbsetroot
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fi
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# Find the default wallpapersetter
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if [ "$setterfromcommandline" != true ]; then
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if [ -r "$lastwallpaper" ]; then
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wpsetters="`awk '/wpsetters/ {print $2}' $lastwallpaper` $wpsetters"
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fi
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for wpsetter in $wpsetters; do
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if find_it $wpsetter; then
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if [ ! "$wpsetter" = Esetroot ]; then
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WPSETTER=$wpsetter
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break
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elif ldd `which Esetroot`|grep libImlib 2>&1 > /dev/null; then
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WPSETTER=$wpsetter
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break
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else
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sad_esetroot_story="I also found Esetroot, but it doesn't have support for setting wallpapers. You need to install libimlib2 and rebuild Eterm to get it working."
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fi
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fi
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done
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fi
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standardrant=\
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"$WPSETTER doesn't set the wallpaper properly. Transparency for fluxbox and
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apps like aterm and xchat won't work right with it. Consider installing
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feh, wmsetbg (from windowmaker) or Esetroot (from Eterm) and I'll use
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them instead."
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standardok=\
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"$WPSETTER is a nice wallpapersetter. You won't have any problems."
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case $WPSETTER in
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chbg)
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full='-once -mode maximize'
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tile='-once -mode tile'
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center='-once -mode center'
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aspect='-once -mode smart -max_grow 100 -max_size 100'
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debugstory="chbg supports all features but it doesn't report errors. I reported this bug to the chbg developers."
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;;
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xsri)
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full='--center-x --center-y --scale-width=100 --scale-height=100'
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tile='--tile'
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center='--center-x --center-y --color=black'
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aspect='--center-x --center-y --scale-width=100 --scale-height=100 --keep-aspect --color=black'
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debugstory=$standardok
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;;
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display)
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rootsize=`xwininfo -root 2> /dev/null|sed '/-geometry/!d; s/.* \([0-9]*x[0-9]*\)+.*/\1/g'`
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full="-window root -resize ${rootsize}!"
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tile='-window root'
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center='-backdrop -window root'
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aspect="-window root -resize "${rootsize}^" -crop ${rootsize}+0+0 -gravity center -window root"
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debugstory=$standardrant
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;;
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Esetroot)
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full='-scale'
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tile=''
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center='-c'
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aspect='-fit'
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debugstory=$standardok
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;;
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wmsetbg)
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full='-s -S'
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tile='-t'
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center='-b black -e'
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aspect='-b black -a -S'
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debugstory=$standardok
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;;
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xsetbg)
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tile='-border black'
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center='-center -border black'
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aspect='-fullscreen -border black'
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full=$aspect #broken
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debugstory="xsetbg is actually xli. The fillscreen option (-f) is broken, defaults to (-a). $standardrant"
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;;
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xli)
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tile='-onroot -quiet -border black'
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center='-center -onroot -quiet -border black'
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aspect='-fullscreen -onroot -quiet -border black'
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full=$aspect #broken
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debugstory="The fillscreen option (-f) is broken, defaults to (-a). $standardrant"
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;;
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qiv)
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full='--root_s'
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tile='--root_t'
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center='--root'
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aspect='-m --root'
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debugstory=$standardrant
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;;
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xv)
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full='-max -smooth -root -quit'
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tile='-root -quit'
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center='-rmode 5 -root -quit'
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aspect='-maxpect -smooth -root -quit'
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debugstory=$standardrant
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;;
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feh)
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full='--bg-scale'
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tile='--bg-tile'
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center='--bg-center'
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aspect="--bg-fill"
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debugstory=$standardok
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;;
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hsetroot)
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full='-fill'
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tile='-tile'
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center='-center'
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aspect='-full'
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debugstory=$standardok
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;;
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icewmbg)
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tile='-s'
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full=$tile
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center=$tile
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aspect=$tile
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debugstory="icewmbg does support transparency, but only tiling. And I noticed odd
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errormessages with aterm. Don't use it unless you have to."
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;;
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'')
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message \
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"I can't find an app to set the wallpaper with. You can install one in
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many many ways but I will give you some simple advice: install Eterm and
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you're set. Eterm provides Esetroot and thats a great wallpaper setter. I
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recommend you install the package provided by your distro."
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exit 1
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;;
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esac
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if [ "$debug" = true ]; then
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debugfbsetbg
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exit 0
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fi
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option=${option:='$full'}
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option2=${option2:='$full'}
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if [ -z "$DISPLAY" ]; then
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message "You are not connected to an X session\nPerhaps you should set the DISPLAY environment variable?"
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exit 1
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fi
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# random wallpaper code
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if [ "$option" = random ]; then
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# Lets make one thing clear...
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wallpaperdir="$wallpaper"
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if [ -z "$wallpaperdir" ]; then
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message "No random wallpaper directory specified."
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exit 1
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fi
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if [ -d "$wallpaperdir" ]; then
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cd "$wallpaperdir"
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available_wallpapers=`find -L -type f ! -regex '.*/\..*'`
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number_of_wallpapers=`echo "$available_wallpapers" | wc -l`
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if find_it random_number; then
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randomnumber=`random_number`
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# some shells don't support $RANDOM
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elif [ -z "$RANDOM" ]; then
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if [ -r /dev/urandom ]; then
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randomnumber=`hexdump -n 2 -e '/2 "%u"' /dev/urandom`
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else
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randomnumber=`(echo $$; ps; w; date) 2>&1 | cksum | cut -f1 -d' '`
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fi
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else
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randomnumber="$RANDOM"
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|
fi
|
|
wallpapernumber=`expr $randomnumber % $number_of_wallpapers + 1`
|
|
#remember previous wallpaper
|
|
if [ ! "$remember" = false ]; then
|
|
remembercommand
|
|
fi
|
|
remember=false
|
|
#set -x
|
|
wallpaper="`echo "$available_wallpapers" | sed -n ${wallpapernumber}p`"
|
|
option=$option2 # have to choose something...
|
|
else
|
|
message "Invalid random wallpaper directory specified: '$wallpaperdir'."
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
|
|
if [ ! -r "$wallpaper" ]; then
|
|
if [ "$ignore_missing_wallpaper" = "true" ]; then
|
|
exit 0
|
|
fi
|
|
message "Can't find wallpaper $wallpaper"
|
|
exit 1
|
|
fi
|
|
|
|
|
|
$WPSETTER `eval echo $option` "$wallpaper"
|
|
if [ "$?" != "0" -a "$WPSETTER" != "display" ]; then # display is broken, all IM falsely fail for "unrecognized event type FOO"...
|
|
message "Something went wrong while setting the wallpaper.
|
|
Run '$WPSETTER "`eval echo $option` $wallpaper"' from an xterm to find out what."
|
|
exit 1
|
|
fi
|
|
|
|
|
|
#remember previous wallpaper
|
|
if [ ! "$remember" = false ]; then
|
|
remembercommand
|
|
fi
|