dcdfdfd56b
fbsetbg: The random number generation used 'time' shell internal, which does not exist in all shells. Allowing 'ps' output to be part of cksum input will increase entropy and enhance quality of the randomness. fbsetbg: The second fix is more important. In posix shell there is no '==' comparision operator. fluxbox-generate_menu: There are no quarantees about echo accepting options, so use 'printf' for more advanced outputing.
552 lines
17 KiB
Bash
552 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="${HOME}/.fluxbox/lastwallpaper"
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WHOAMI=`whoami`
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[ "$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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find_it() {
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[ -n "$1" ] && hash $1 2> /dev/null
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}
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message() {
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# This Terminal detection method is inaccurate. Looking for a
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# replacement.
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# echo if we have terminal output, otherwise pop up a window
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# if [ -t 1 ]; then
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# echo "$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}$" ${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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full="`xwininfo -root 2> /dev/null|grep geom` -window root"
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tile='-window root'
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center='-backdrop -window root'
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aspect=$full
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debugstory=$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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number_of_wallpapers=`ls "$wallpaperdir"|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
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wallpapernumber=`expr $randomnumber % $number_of_wallpapers + 1`
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#remember previous wallpaper
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if [ ! "$remember" = false ]; then
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remembercommand
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fi
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remember=false
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#set -x
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wallpaper="$wallpaperdir/`ls \"$wallpaperdir\"|sed -n ${wallpapernumber}p`"
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option=$option2 # have to choose something...
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else
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message "Invalid random wallpaper directory specified."
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exit 1
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fi
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|
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 [ $? -ne 0 ]; then
|
|
message "Something went wrong while setting the wallpaper.
|
|
Run '$WPSETTER "`eval echo $option` $wallpaper"' from an xterm to find out what."
|
|
exit 1
|
|
fi
|
|
|
|
|
|
#remember previous wallpaper
|
|
if [ ! "$remember" = false ]; then
|
|
remembercommand
|
|
fi
|