1420 lines
37 KiB
Bash
Executable File
1420 lines
37 KiB
Bash
Executable File
#!/bin/sh
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#---------------------------------------------
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# xdg-screensaver
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#
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# Utility script to control screensaver.
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#
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# Refer to the usage() function below for usage.
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#
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# Copyright 2006, Bryce Harrington <bryce@osdl.org>
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#
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# LICENSE:
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# 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, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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#---------------------------------------------
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manualpage()
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{
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cat << _MANUALPAGE
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Name
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xdg-screensaver - command line tool for controlling the screensaver
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Synopsis
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xdg-screensaver suspend WindowID
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xdg-screensaver resume WindowID
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xdg-screensaver { activate | lock | reset | status }
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xdg-screensaver { --help | --manual | --version }
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Description
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xdg-screensaver provides commands to control the screensaver.
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xdg-screensaver is for use inside a desktop session only. It is not recommended
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to use xdg-screensaver as root.
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Commands
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suspend WindowID
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Suspends the screensaver and monitor power management. WindowID must be the
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X Window ID of an existing window of the calling application. The window
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must remain in existence for the duration of the suspension.
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WindowID can be represented as either a decimal number or as a hexadecimal
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number consisting of the prefix 0x followed by one or more hexadecimal
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digits.
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The screensaver can be suspended in relation to multiple windows at the
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same time. In that case screensaver operation is only restored once the
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screensaver has been resumed in relation to each of the windows
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resume WindowID
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Resume the screensaver and monitor power management after being suspended.
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WindowID must be the same X Window ID that was passed to a previous call of
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xdg-screensaver suspend
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activate
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Turns the screensaver on immediately. This may result in the screen getting
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locked, depending on existing system policies.
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lock
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Lock the screen immediately.
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reset
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Turns the screensaver off immediately. If the screen was locked the user
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may be asked to authenticate first.
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status
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Prints enabled to stdout if the screensaver is enabled to turn on after a
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period of inactivity and prints disabled if the screensaver is not enabled.
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Options
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--help
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Show command synopsis.
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--manual
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Show this manual page.
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--version
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Show the xdg-utils version information.
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Exit Codes
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An exit code of 0 indicates success while a non-zero exit code indicates
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failure. The following failure codes can be returned:
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1
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Error in command line syntax.
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3
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A required tool could not be found.
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4
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The action failed.
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Examples
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xdg-screensaver suspend 0x1c00007
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Causes the screensaver to be disabled till xdg-screensaver resume 0x1c00007 is
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called. 0x1c00007 must be the X Window ID of an existing window.
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_MANUALPAGE
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}
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usage()
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{
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cat << _USAGE
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xdg-screensaver - command line tool for controlling the screensaver
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Synopsis
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xdg-screensaver suspend WindowID
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xdg-screensaver resume WindowID
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xdg-screensaver { activate | lock | reset | status }
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xdg-screensaver { --help | --manual | --version }
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_USAGE
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}
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#@xdg-utils-common@
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#----------------------------------------------------------------------------
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# Common utility functions included in all XDG wrapper scripts
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#----------------------------------------------------------------------------
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DEBUG()
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{
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[ -z "${XDG_UTILS_DEBUG_LEVEL}" ] && return 0;
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[ ${XDG_UTILS_DEBUG_LEVEL} -lt $1 ] && return 0;
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shift
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echo "$@" >&2
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}
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# This handles backslashes but not quote marks.
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first_word()
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{
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read first rest
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echo "$first"
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}
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#-------------------------------------------------------------
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# map a binary to a .desktop file
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binary_to_desktop_file()
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{
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search="${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
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binary="`which "$1"`"
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binary="`readlink -f "$binary"`"
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base="`basename "$binary"`"
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IFS=:
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for dir in $search; do
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unset IFS
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[ "$dir" ] || continue
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[ -d "$dir/applications" ] || [ -d "$dir/applnk" ] || continue
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for file in "$dir"/applications/*.desktop "$dir"/applications/*/*.desktop "$dir"/applnk/*.desktop "$dir"/applnk/*/*.desktop; do
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[ -r "$file" ] || continue
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# Check to make sure it's worth the processing.
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grep -q "^Exec.*$base" "$file" || continue
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# Make sure it's a visible desktop file (e.g. not "preferred-web-browser.desktop").
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grep -Eq "^(NoDisplay|Hidden)=true" "$file" && continue
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command="`grep -E "^Exec(\[[^]=]*])?=" "$file" | cut -d= -f 2- | first_word`"
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command="`which "$command"`"
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if [ x"`readlink -f "$command"`" = x"$binary" ]; then
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# Fix any double slashes that got added path composition
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echo "$file" | sed -e 's,//*,/,g'
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return
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fi
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done
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done
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}
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#-------------------------------------------------------------
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# map a .desktop file to a binary
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desktop_file_to_binary()
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{
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search="${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
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desktop="`basename "$1"`"
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IFS=:
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for dir in $search; do
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unset IFS
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[ "$dir" ] && [ -d "$dir/applications" ] || [ -d "$dir/applnk" ] || continue
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# Check if desktop file contains -
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if [ "${desktop#*-}" != "$desktop" ]; then
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vendor=${desktop%-*}
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app=${desktop#*-}
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if [ -r $dir/applications/$vendor/$app ]; then
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file_path=$dir/applications/$vendor/$app
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elif [ -r $dir/applnk/$vendor/$app ]; then
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file_path=$dir/applnk/$vendor/$app
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fi
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fi
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if test -z "$file_path" ; then
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for indir in "$dir"/applications/ "$dir"/applications/*/ "$dir"/applnk/ "$dir"/applnk/*/; do
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file="$indir/$desktop"
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if [ -r "$file" ]; then
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file_path=$file
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break
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fi
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done
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fi
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if [ -r "$file_path" ]; then
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# Remove any arguments (%F, %f, %U, %u, etc.).
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command="`grep -E "^Exec(\[[^]=]*])?=" "$file_path" | cut -d= -f 2- | first_word`"
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command="`which "$command"`"
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readlink -f "$command"
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return
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fi
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done
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}
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#-------------------------------------------------------------
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# Exit script on successfully completing the desired operation
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exit_success()
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{
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if [ $# -gt 0 ]; then
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echo "$@"
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echo
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fi
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exit 0
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}
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#-----------------------------------------
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# Exit script on malformed arguments, not enough arguments
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# or missing required option.
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# prints usage information
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exit_failure_syntax()
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{
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if [ $# -gt 0 ]; then
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echo "xdg-screensaver: $@" >&2
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echo "Try 'xdg-screensaver --help' for more information." >&2
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else
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usage
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echo "Use 'man xdg-screensaver' or 'xdg-screensaver --manual' for additional info."
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fi
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exit 1
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}
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#-------------------------------------------------------------
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# Exit script on missing file specified on command line
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exit_failure_file_missing()
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{
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if [ $# -gt 0 ]; then
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echo "xdg-screensaver: $@" >&2
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fi
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exit 2
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}
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#-------------------------------------------------------------
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# Exit script on failure to locate necessary tool applications
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exit_failure_operation_impossible()
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{
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if [ $# -gt 0 ]; then
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echo "xdg-screensaver: $@" >&2
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fi
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exit 3
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}
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#-------------------------------------------------------------
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# Exit script on failure returned by a tool application
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exit_failure_operation_failed()
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{
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if [ $# -gt 0 ]; then
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echo "xdg-screensaver: $@" >&2
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fi
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exit 4
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}
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#------------------------------------------------------------
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# Exit script on insufficient permission to read a specified file
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exit_failure_file_permission_read()
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{
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if [ $# -gt 0 ]; then
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echo "xdg-screensaver: $@" >&2
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fi
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exit 5
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}
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#------------------------------------------------------------
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# Exit script on insufficient permission to write a specified file
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exit_failure_file_permission_write()
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{
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if [ $# -gt 0 ]; then
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echo "xdg-screensaver: $@" >&2
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fi
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exit 6
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}
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check_input_file()
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{
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if [ ! -e "$1" ]; then
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exit_failure_file_missing "file '$1' does not exist"
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fi
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if [ ! -r "$1" ]; then
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exit_failure_file_permission_read "no permission to read file '$1'"
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fi
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}
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check_vendor_prefix()
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{
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file_label="$2"
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[ -n "$file_label" ] || file_label="filename"
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file=`basename "$1"`
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case "$file" in
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[[:alpha:]]*-*)
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return
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;;
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esac
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echo "xdg-screensaver: $file_label '$file' does not have a proper vendor prefix" >&2
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echo 'A vendor prefix consists of alpha characters ([a-zA-Z]) and is terminated' >&2
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echo 'with a dash ("-"). An example '"$file_label"' is '"'example-$file'" >&2
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echo "Use --novendor to override or 'xdg-screensaver --manual' for additional info." >&2
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exit 1
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}
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check_output_file()
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{
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# if the file exists, check if it is writeable
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# if it does not exists, check if we are allowed to write on the directory
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if [ -e "$1" ]; then
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if [ ! -w "$1" ]; then
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exit_failure_file_permission_write "no permission to write to file '$1'"
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fi
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else
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DIR=`dirname "$1"`
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if [ ! -w "$DIR" ] || [ ! -x "$DIR" ]; then
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exit_failure_file_permission_write "no permission to create file '$1'"
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fi
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fi
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}
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#----------------------------------------
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# Checks for shared commands, e.g. --help
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check_common_commands()
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{
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while [ $# -gt 0 ] ; do
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parm="$1"
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shift
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case "$parm" in
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--help)
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usage
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echo "Use 'man xdg-screensaver' or 'xdg-screensaver --manual' for additional info."
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exit_success
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;;
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--manual)
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manualpage
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exit_success
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;;
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--version)
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echo "xdg-screensaver 1.1.3"
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exit_success
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;;
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esac
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done
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}
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check_common_commands "$@"
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[ -z "${XDG_UTILS_DEBUG_LEVEL}" ] && unset XDG_UTILS_DEBUG_LEVEL;
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if [ ${XDG_UTILS_DEBUG_LEVEL-0} -lt 1 ]; then
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# Be silent
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xdg_redirect_output=" > /dev/null 2> /dev/null"
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else
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# All output to stderr
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xdg_redirect_output=" >&2"
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fi
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#--------------------------------------
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# Checks for known desktop environments
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# set variable DE to the desktop environments name, lowercase
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detectDE()
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{
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# see https://bugs.freedesktop.org/show_bug.cgi?id=34164
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unset GREP_OPTIONS
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if [ -n "${XDG_CURRENT_DESKTOP}" ]; then
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case "${XDG_CURRENT_DESKTOP}" in
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# only recently added to menu-spec, pre-spec X- still in use
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Cinnamon|X-Cinnamon)
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DE=cinnamon;
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;;
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ENLIGHTENMENT)
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DE=enlightenment;
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;;
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# GNOME, GNOME-Classic:GNOME, or GNOME-Flashback:GNOME
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GNOME*)
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DE=gnome;
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;;
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KDE)
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DE=kde;
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;;
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# Deepin Desktop Environments
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DEEPIN|Deepin|deepin)
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DE=dde;
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;;
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LXDE)
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DE=lxde;
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;;
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LXQt)
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DE=lxqt;
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;;
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MATE)
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DE=mate;
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;;
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XFCE)
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DE=xfce
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;;
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X-Generic)
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DE=generic
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;;
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esac
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fi
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if [ x"$DE" = x"" ]; then
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# classic fallbacks
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if [ x"$KDE_FULL_SESSION" != x"" ]; then DE=kde;
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elif [ x"$GNOME_DESKTOP_SESSION_ID" != x"" ]; then DE=gnome;
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elif [ x"$MATE_DESKTOP_SESSION_ID" != x"" ]; then DE=mate;
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elif `dbus-send --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager > /dev/null 2>&1` ; then DE=gnome;
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elif xprop -root _DT_SAVE_MODE 2> /dev/null | grep ' = \"xfce4\"$' >/dev/null 2>&1; then DE=xfce;
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elif xprop -root 2> /dev/null | grep -i '^xfce_desktop_window' >/dev/null 2>&1; then DE=xfce
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elif echo $DESKTOP | grep -q '^Enlightenment'; then DE=enlightenment;
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elif [ x"$LXQT_SESSION_CONFIG" != x"" ]; then DE=lxqt;
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fi
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fi
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if [ x"$DE" = x"" ]; then
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# fallback to checking $DESKTOP_SESSION
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case "$DESKTOP_SESSION" in
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gnome)
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DE=gnome;
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;;
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LXDE|Lubuntu)
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DE=lxde;
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;;
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MATE)
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DE=mate;
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;;
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xfce|xfce4|'Xfce Session')
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DE=xfce;
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;;
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esac
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fi
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if [ x"$DE" = x"" ]; then
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# fallback to uname output for other platforms
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case "$(uname 2>/dev/null)" in
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CYGWIN*)
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DE=cygwin;
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;;
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Darwin)
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DE=darwin;
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;;
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esac
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fi
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if [ x"$DE" = x"gnome" ]; then
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# gnome-default-applications-properties is only available in GNOME 2.x
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# but not in GNOME 3.x
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which gnome-default-applications-properties > /dev/null 2>&1 || DE="gnome3"
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fi
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if [ -f "$XDG_RUNTIME_DIR/flatpak-info" ]; then
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DE="flatpak"
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fi
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}
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#----------------------------------------------------------------------------
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# kfmclient exec/openURL can give bogus exit value in KDE <= 3.5.4
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# It also always returns 1 in KDE 3.4 and earlier
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# Simply return 0 in such case
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kfmclient_fix_exit_code()
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{
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version=`LC_ALL=C.UTF-8 kde-config --version 2>/dev/null | grep '^KDE'`
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major=`echo $version | sed 's/KDE.*: \([0-9]\).*/\1/'`
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minor=`echo $version | sed 's/KDE.*: [0-9]*\.\([0-9]\).*/\1/'`
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release=`echo $version | sed 's/KDE.*: [0-9]*\.[0-9]*\.\([0-9]\).*/\1/'`
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test "$major" -gt 3 && return $1
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test "$minor" -gt 5 && return $1
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test "$release" -gt 4 && return $1
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return 0
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}
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#----------------------------------------------------------------------------
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# Returns true if there is a graphical display attached.
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has_display()
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{
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if [ -n "$DISPLAY" ] || [ -n "$WAYLAND_DISPLAY" ]; then
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return 0
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else
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return 1
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fi
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}
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|
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# Check if we can use "mv -T"
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if mv -T ... ... 2>&1 | grep '\.\.\.' > /dev/null ; then
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# We can securely move files in /tmp with mv -T
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DEBUG 1 "mv -T available"
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MV="mv -T"
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screensaver_file="/tmp/xdg-screensaver-$USER-"`echo $DISPLAY | sed 's/:/-/g'`
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else
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# No secure moves available, use home dir
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DEBUG 1 "mv -T not available"
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MV="mv"
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screensaver_file="$HOME/.xdg-screensaver-"`echo $(hostname)-$DISPLAY | sed 's/:/-/g'`
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fi
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lockfile_command=`which lockfile 2> /dev/null`
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|
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lockfile()
|
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{
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if [ -n "$lockfile_command" ] ; then
|
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$lockfile_command -1 -l 10 -s 3 "$screensaver_file".lock
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else
|
|
# Poor man's attempt at doing a lockfile
|
|
# Be careful not to facilitate a symlink attack
|
|
local try
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|
try=0
|
|
while ! ln -s "$screensaver_file".lock "$screensaver_file".lock 2> /dev/null;
|
|
do
|
|
sleep 1
|
|
try=$(($try+1))
|
|
if [ $try -eq 3 ] ; then
|
|
rm -f "$screensaver_file".lock || return # Can't remove lockfile
|
|
try=0
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
|
|
unlockfile()
|
|
{
|
|
rm -f "$screensaver_file".lock
|
|
}
|
|
|
|
perform_action()
|
|
{
|
|
result=1
|
|
|
|
if [ "$1" = "resume" ] ; then
|
|
# Restore DPMS state
|
|
if [ -f "$screensaver_file.dpms" ]; then
|
|
rm "$screensaver_file.dpms"
|
|
# Re-enable DPMS
|
|
xset +dpms
|
|
fi
|
|
fi
|
|
if [ "$1" = "reset" ] ; then
|
|
if xset -q | grep 'DPMS is Enabled' > /dev/null 2> /dev/null; then
|
|
xset -dpms
|
|
xset +dpms
|
|
xset dpms force on
|
|
fi
|
|
fi
|
|
|
|
case "$DE" in
|
|
kde)
|
|
if [ -n "${KDE_SESSION_VERSION}" ]; then
|
|
screensaver_freedesktop "$1"
|
|
else
|
|
screensaver_kde3 "$1"
|
|
fi
|
|
;;
|
|
gnome_screensaver)
|
|
screensaver_gnome_screensaver "$1"
|
|
;;
|
|
|
|
mate_screensaver)
|
|
screensaver_mate_screensaver "$1"
|
|
;;
|
|
|
|
cinnamon)
|
|
screensaver_cinnamon_screensaver "$1"
|
|
;;
|
|
|
|
xscreensaver)
|
|
screensaver_xscreensaver "$1"
|
|
;;
|
|
|
|
xautolock_screensaver)
|
|
xautolock_screensaver "$1"
|
|
;;
|
|
|
|
xfce)
|
|
[ -n "$DISPLAY" ] && screensaver_xserver "$1"
|
|
;;
|
|
|
|
''|generic)
|
|
[ -n "$DISPLAY" ] && screensaver_xserver "$1"
|
|
;;
|
|
esac
|
|
|
|
if [ -n "$DISPLAY" -a "$1" = "suspend" ] ; then
|
|
# Save DPMS state
|
|
if xset -q | grep 'DPMS is Enabled' > /dev/null 2> /dev/null; then
|
|
test "${TMPDIR+set}" = set || TMPDIR=/tmp
|
|
tmpfile=`mktemp $TMPDIR/tmp.XXXXXXXXXX`
|
|
$MV "$tmpfile" "$screensaver_file.dpms"
|
|
# Disable DPMS
|
|
xset -dpms
|
|
fi
|
|
fi
|
|
|
|
}
|
|
|
|
cleanup_suspend()
|
|
{
|
|
lockfile
|
|
test "${TMPDIR+set}" = set || TMPDIR=/tmp
|
|
tmpfile=`mktemp $TMPDIR/tmp.XXXXXXXXXX`
|
|
grep -v "$window_id:$xprop_pid\$" "$screensaver_file" > "$tmpfile" 2> /dev/null
|
|
$MV "$tmpfile" "$screensaver_file"
|
|
if [ ! -s "$screensaver_file" ] ; then
|
|
rm "$screensaver_file"
|
|
unlockfile
|
|
# $screensaver_file is empty, do resume
|
|
perform_action resume
|
|
else
|
|
unlockfile
|
|
fi
|
|
}
|
|
|
|
do_resume()
|
|
{
|
|
lockfile # Obtain lockfile
|
|
# Find the PID of the trackingprocess
|
|
xprop_pid=`grep "$window_id:" "$screensaver_file" 2> /dev/null | cut -d ':' -f 2`
|
|
unlockfile # Free lockfile
|
|
if [ -n "$xprop_pid" ] && ps -p "$xprop_pid" 2> /dev/null | grep xprop > /dev/null; then
|
|
# Kill the tracking process
|
|
kill -s TERM $xprop_pid
|
|
fi
|
|
cleanup_suspend
|
|
}
|
|
|
|
XPROP=`which xprop 2> /dev/null`
|
|
|
|
check_window_id()
|
|
{
|
|
if [ -z "$XPROP" ]; then
|
|
DEBUG 3 "xprop not found"
|
|
return
|
|
fi
|
|
DEBUG 2 "Running $XPROP -id $window_id"
|
|
if $XPROP -id $window_id > /dev/null 2> /dev/null; then
|
|
DEBUG 3 Window $window_id exists
|
|
else
|
|
DEBUG 3 Window $window_id does not exist
|
|
exit_failure_operation_failed "Window $window_id does not exist"
|
|
fi
|
|
}
|
|
|
|
track_window()
|
|
{
|
|
if [ -z "$XPROP" ]; then
|
|
# Don't track window if we don't have xprop
|
|
return
|
|
fi
|
|
lockfile
|
|
|
|
test "${TMPDIR+set}" = set || TMPDIR=/tmp
|
|
tmpfile=`mktemp $TMPDIR/tmp.XXXXXXXXXX`
|
|
# Filter stale entries from the xdg-screensaver status file
|
|
# Return if $window_id is being tracked already
|
|
(
|
|
already_tracked=1
|
|
IFS_save="$IFS"
|
|
IFS=":"
|
|
while read wid pid; do
|
|
if ps -p "$pid" 2> /dev/null | grep xprop > /dev/null; then
|
|
echo "$wid:$pid"
|
|
if [ $wid = $window_id ] ; then
|
|
already_tracked=0
|
|
fi
|
|
fi
|
|
done
|
|
IFS="$IFS_save"
|
|
exit $already_tracked
|
|
) < $screensaver_file > $tmpfile
|
|
already_tracked=$?
|
|
|
|
if [ "$already_tracked" -eq "0" ] ; then
|
|
$MV "$tmpfile" "$screensaver_file"
|
|
# We are already tracking $window_id, don't do anything
|
|
unlockfile
|
|
return
|
|
fi
|
|
|
|
# Start tracking $window_id
|
|
$XPROP -id $window_id -spy > /dev/null &
|
|
xprop_pid=$!
|
|
# Add window_id and xprop_pid to the xdg-screensave status file
|
|
echo "$window_id:$xprop_pid" >> $tmpfile
|
|
$MV "$tmpfile" "$screensaver_file"
|
|
unlockfile
|
|
# Wait for xprop to exit, it means that the window disappeared
|
|
wait $xprop_pid
|
|
# Clean up the administration and resume the screensaver
|
|
cleanup_suspend
|
|
}
|
|
|
|
screensaver_freedesktop()
|
|
{
|
|
case "$1" in
|
|
suspend)
|
|
dbus-send --session \
|
|
--dest=org.freedesktop.ScreenSaver \
|
|
--type=method_call \
|
|
--print-reply \
|
|
--reply-timeout=2000 \
|
|
/ScreenSaver \
|
|
org.freedesktop.ScreenSaver.Inhibit \
|
|
string:$window_id \
|
|
string:xdg-screensaver \
|
|
| grep uint32 | cut -d ' ' -f 5 >| "$screensaver_file.cookie" \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
resume)
|
|
if [ -f "$screensaver_file.cookie" ] ; then
|
|
value=`cat "$screensaver_file.cookie"`
|
|
dbus-send --session \
|
|
--dest=org.freedesktop.ScreenSaver \
|
|
--type=method_call \
|
|
/ScreenSaver \
|
|
org.freedesktop.ScreenSaver.UnInhibit \
|
|
uint32:$value \
|
|
2> /dev/null
|
|
rm -f "$screensaver_file.cookie"
|
|
fi
|
|
result=$?
|
|
;;
|
|
|
|
activate)
|
|
dbus-send --session \
|
|
--dest=org.freedesktop.ScreenSaver \
|
|
--type=method_call \
|
|
/ScreenSaver \
|
|
org.freedesktop.ScreenSaver.SetActive \
|
|
boolean:true \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
lock)
|
|
dbus-send --session \
|
|
--dest=org.freedesktop.ScreenSaver \
|
|
--type=method_call \
|
|
/ScreenSaver \
|
|
org.freedesktop.ScreenSaver.Lock \
|
|
2> /dev/null
|
|
;;
|
|
|
|
reset)
|
|
if [ -f "$screensaver_file.cookie" ] ; then
|
|
value=`cat "$screensaver_file.cookie"`
|
|
dbus-send --session \
|
|
--dest=org.freedesktop.ScreenSaver \
|
|
--type=method_call \
|
|
/ScreenSaver \
|
|
org.freedesktop.ScreenSaver.UnInhibit \
|
|
uint32:$value \
|
|
2> /dev/null
|
|
rm -f "$screensaver_file.cookie"
|
|
fi
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
status=`dbus-send --session \
|
|
--dest=org.freedesktop.ScreenSaver \
|
|
--type=method_call \
|
|
--print-reply \
|
|
--reply-timeout=2000 \
|
|
/ScreenSaver \
|
|
org.freedesktop.ScreenSaver.GetActive \
|
|
| grep boolean | cut -d ' ' -f 5`
|
|
result=$?
|
|
if [ x"$status" = "xtrue" -o x"$status" = "xfalse" ]; then
|
|
echo "enabled"
|
|
elif [ x"$result" != "x0" ]; then
|
|
echo "ERROR: dbus org.freedesktop.ScreenSaver.GetActive returned '$status'" >&2
|
|
return 1
|
|
else
|
|
echo "disabled"
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1'" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
screensaver_kde3()
|
|
{
|
|
case "$1" in
|
|
suspend)
|
|
dcop kdesktop KScreensaverIface enable false > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
resume)
|
|
dcop kdesktop KScreensaverIface configure > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
activate)
|
|
dcop kdesktop KScreensaverIface save > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
lock)
|
|
dcop kdesktop KScreensaverIface lock > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
reset)
|
|
# Turns the screensaver off right now
|
|
dcop kdesktop KScreensaverIface quit > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
status=`dcop kdesktop KScreensaverIface isEnabled`
|
|
result=$?
|
|
if [ x"$status" = "xtrue" ]; then
|
|
echo "enabled"
|
|
elif [ x"$status" = "xfalse" ]; then
|
|
echo "disabled"
|
|
else
|
|
echo "ERROR: kdesktop KScreensaverIface isEnabled returned '$status'" >&2
|
|
return 1
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1'" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
xset_screensaver_timeout()
|
|
{
|
|
xset q | sed '/^Screen Saver:/,/^[^ ]/ { s/.*timeout: *\([0-9]*\).*/\1/; t }; d'
|
|
}
|
|
|
|
screensaver_xserver()
|
|
{
|
|
case "$1" in
|
|
suspend)
|
|
timeout=`xset_screensaver_timeout`
|
|
if [ "$timeout" -gt 0 ]; then
|
|
echo "$timeout" > "$screensaver_file.xset"
|
|
xset s off > /dev/null
|
|
fi
|
|
result=$?
|
|
;;
|
|
|
|
resume)
|
|
if [ -f "$screensaver_file.xset" ] ; then
|
|
value=`cat "$screensaver_file.xset"`
|
|
xset s $value > /dev/null
|
|
rm -f "$screensaver_file.xset"
|
|
fi
|
|
result=$?
|
|
;;
|
|
|
|
activate)
|
|
xset s activate > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
reset)
|
|
xset s reset > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
timeout=`xset_screensaver_timeout`
|
|
result=$?
|
|
if [ "$timeout" -gt 0 ]; then
|
|
echo "enabled"
|
|
elif [ "$timeout" -eq 0 ]; then
|
|
echo "disabled"
|
|
else
|
|
echo "ERROR: xset q did not report the screensaver timeout" >&2
|
|
return 1
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1'" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
screensaver_suspend_loop()
|
|
{
|
|
lockfile
|
|
test "${TMPDIR+set}" = set || TMPDIR=/tmp
|
|
tmpfile=`mktemp $TMPDIR/tmp.XXXXXXXXXX`
|
|
# Filter stale entries from the xdg-screensaver status file
|
|
cat "$screensaver_file" 2> /dev/null | (
|
|
IFS_save="$IFS"
|
|
IFS=":"
|
|
while read wid pid; do
|
|
if ps -p "$pid" 2> /dev/null | grep xprop > /dev/null; then
|
|
echo "$wid:$pid"
|
|
fi
|
|
done
|
|
IFS="$IFS_save"
|
|
) > $tmpfile
|
|
if [ -s "$tmpfile" ] ; then
|
|
# Suspend pending, don't do a thing
|
|
$MV "$tmpfile" "$screensaver_file"
|
|
unlockfile
|
|
return
|
|
fi
|
|
$MV "$tmpfile" "$screensaver_file"
|
|
unlockfile
|
|
(while [ -f "$screensaver_file" ]; do $*; sleep 50; done) > /dev/null 2> /dev/null &
|
|
}
|
|
|
|
screensaver_gnome_screensaver()
|
|
{
|
|
# DBUS interface for gnome-screensaver
|
|
# http://people.gnome.org/~mccann/gnome-screensaver/docs/gnome-screensaver.html
|
|
case "$1" in
|
|
suspend)
|
|
perl -e '
|
|
use strict;
|
|
use warnings;
|
|
use Encode qw(decode);
|
|
use IO::File;
|
|
use Net::DBus;
|
|
use X11::Protocol;
|
|
|
|
my ($window_id, $screensaver_file) = @ARGV;
|
|
|
|
# Find window name to pass to session manager.
|
|
my $x = X11::Protocol->new();
|
|
my $named_window_id = hex($window_id);
|
|
my $window_name;
|
|
while (1) {
|
|
($window_name) = $x->GetProperty($named_window_id, $x->atom("WM_NAME"),
|
|
$x->atom("STRING"), 0, 1000, 0);
|
|
last if defined($window_name) && $window_name ne "";
|
|
(undef, $named_window_id) = $x->QueryTree($named_window_id);
|
|
if (!defined($named_window_id)) {
|
|
$window_name = "?";
|
|
last;
|
|
}
|
|
}
|
|
|
|
# Replace any invalid unicode characters with U+FFFD, so we dont crash when we
|
|
# pass them over to D-Bus
|
|
$window_name = decode("utf8", $window_name, Encode::FB_DEFAULT);
|
|
|
|
# Inhibit idle detection (flags = 8) with window name and ID.
|
|
# We have no reason so just send the window name again.
|
|
my $bus = Net::DBus->session();
|
|
my $sm_svc = $bus->get_service("org.gnome.SessionManager");
|
|
my $sm = $sm_svc->get_object("/org/gnome/SessionManager",
|
|
"org.gnome.SessionManager");
|
|
$sm->Inhibit($window_name, hex($window_id), $window_name, 8);
|
|
|
|
# Wait until removed from the status file.
|
|
while (1) {
|
|
sleep(10);
|
|
my $status = new IO::File($screensaver_file, "r")
|
|
or exit 0;
|
|
my $found;
|
|
while (<$status>) {
|
|
if (/^$window_id:/) {
|
|
$found = 1;
|
|
last;
|
|
}
|
|
}
|
|
exit 0 unless $found;
|
|
}
|
|
' $window_id $screensaver_file &
|
|
result=0
|
|
;;
|
|
|
|
resume)
|
|
# Automatic resume when $screensaver_file disappears
|
|
result=0
|
|
;;
|
|
|
|
activate)
|
|
dbus-send --session \
|
|
--dest=org.gnome.ScreenSaver \
|
|
--type=method_call \
|
|
/org/gnome/ScreenSaver \
|
|
org.gnome.ScreenSaver.SetActive \
|
|
boolean:true \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
lock)
|
|
dbus-send --session \
|
|
--dest=org.gnome.ScreenSaver \
|
|
--type=method_call \
|
|
/org/gnome/ScreenSaver \
|
|
org.gnome.ScreenSaver.Lock \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
reset)
|
|
# Turns the screensaver off right now
|
|
dbus-send --session \
|
|
--dest=org.gnome.ScreenSaver \
|
|
--type=method_call \
|
|
/org/gnome/ScreenSaver \
|
|
org.gnome.ScreenSaver.SimulateUserActivity \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
status=`dbus-send --session \
|
|
--dest=org.gnome.ScreenSaver \
|
|
--type=method_call \
|
|
--print-reply \
|
|
--reply-timeout=2000 \
|
|
/org/gnome/ScreenSaver \
|
|
org.gnome.ScreenSaver.GetActive \
|
|
| grep boolean | cut -d ' ' -f 5`
|
|
result=$?
|
|
if [ x"$status" = "xtrue" -o x"$status" = "xfalse" ]; then
|
|
echo "enabled"
|
|
elif [ x"$result" != "x0" ]; then
|
|
echo "ERROR: dbus org.gnome.ScreenSaver.GetActive returned '$status'" >&2
|
|
return 1
|
|
else
|
|
echo "disabled"
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
screensaver_mate_screensaver()
|
|
{
|
|
# DBUS interface for mate-screensaver
|
|
# This is same as gnome's for now but may change in the future as MATE
|
|
# does not follow gnome's development necessarily.
|
|
case "$1" in
|
|
suspend)
|
|
screensaver_suspend_loop \
|
|
dbus-send --session \
|
|
--dest=org.mate.ScreenSaver \
|
|
--type=method_call \
|
|
/org/mate/ScreenSaver \
|
|
org.mate.ScreenSaver.SimulateUserActivity \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
resume)
|
|
# Automatic resume when $screensaver_file disappears
|
|
result=0
|
|
;;
|
|
|
|
activate)
|
|
dbus-send --session \
|
|
--dest=org.mate.ScreenSaver \
|
|
--type=method_call \
|
|
/org/mate/ScreenSaver \
|
|
org.mate.ScreenSaver.SetActive \
|
|
boolean:true \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
lock)
|
|
mate-screensaver-command --lock > /dev/null 2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
reset)
|
|
# Turns the screensaver off right now
|
|
dbus-send --session \
|
|
--dest=org.mate.ScreenSaver \
|
|
--type=method_call \
|
|
/org/mate/ScreenSaver \
|
|
org.mate.ScreenSaver.SimulateUserActivity \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
status=`dbus-send --session \
|
|
--dest=org.mate.ScreenSaver \
|
|
--type=method_call \
|
|
--print-reply \
|
|
--reply-timeout=2000 \
|
|
/org/mate/ScreenSaver \
|
|
org.mate.ScreenSaver.GetActive \
|
|
| grep boolean | cut -d ' ' -f 5`
|
|
result=$?
|
|
if [ x"$status" = "xtrue" -o x"$status" = "xfalse" ]; then
|
|
echo "enabled"
|
|
elif [ x"$result" != "x0" ]; then
|
|
echo "ERROR: dbus org.mate.ScreenSaver.GetActive returned '$status'" >&2
|
|
return 1
|
|
else
|
|
echo "disabled"
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
screensaver_cinnamon_screensaver()
|
|
{
|
|
# DBUS interface for cinnamon-screensaver
|
|
# https://raw.githubusercontent.com/linuxmint/cinnamon-screensaver/master/doc/dbus-interface.html
|
|
case "$1" in
|
|
suspend)
|
|
screensaver_suspend_loop \
|
|
dbus-send --session \
|
|
--dest=org.cinnamon.ScreenSaver \
|
|
--type=method_call \
|
|
/org/cinnamon/ScreenSaver \
|
|
org.cinnamon.ScreenSaver.SimulateUserActivity \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
resume)
|
|
# Automatic resume when $screensaver_file disappears
|
|
result=0
|
|
;;
|
|
|
|
activate)
|
|
dbus-send --session \
|
|
--dest=org.cinnamon.ScreenSaver \
|
|
--type=method_call \
|
|
/org/cinnamon/ScreenSaver \
|
|
org.cinnamon.ScreenSaver.SetActive \
|
|
boolean:true \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
lock)
|
|
dbus-send --session \
|
|
--dest=org.cinnamon.ScreenSaver \
|
|
--type=method_call \
|
|
/org/cinnamon/ScreenSaver \
|
|
org.cinnamon.ScreenSaver.Lock \
|
|
string:"" \
|
|
2> /dev/null
|
|
|
|
result=$?
|
|
;;
|
|
|
|
reset)
|
|
# Turns the screensaver off right now
|
|
dbus-send --session \
|
|
--dest=org.cinnamon.ScreenSaver \
|
|
--type=method_call \
|
|
/org/cinnamon/ScreenSaver \
|
|
org.cinnamon.ScreenSaver.SimulateUserActivity \
|
|
2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
status=`dbus-send --session \
|
|
--dest=org.cinnamon.ScreenSaver \
|
|
--type=method_call \
|
|
--print-reply \
|
|
--reply-timeout=2000 \
|
|
/org/cinnamon/ScreenSaver \
|
|
org.cinnamon.ScreenSaver.GetActive \
|
|
| grep boolean | cut -d ' ' -f 5`
|
|
result=$?
|
|
if [ x"$status" = "xtrue" ]; then
|
|
echo "enabled"
|
|
elif [ x"$status" = "xfalse" ]; then
|
|
echo "disabled"
|
|
else
|
|
echo "ERROR: dbus org.cinnamon.ScreenSaver.GetActive returned '$status'" >&2
|
|
return 1
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
screensaver_xscreensaver()
|
|
{
|
|
case "$1" in
|
|
suspend)
|
|
screensaver_suspend_loop xscreensaver-command -deactivate
|
|
result=0
|
|
;;
|
|
|
|
resume)
|
|
# Automatic resume when $screensaver_file disappears
|
|
result=0
|
|
;;
|
|
|
|
activate)
|
|
xscreensaver-command -activate > /dev/null 2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
lock)
|
|
xscreensaver-command -lock > /dev/null 2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
reset)
|
|
# Turns the screensaver off right now
|
|
xscreensaver-command -deactivate > /dev/null 2> /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
result=0
|
|
if [ -f "$screensaver_file" ] ; then
|
|
echo "disabled"
|
|
else
|
|
echo "enabled"
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
xautolock_screensaver()
|
|
{
|
|
case "$1" in
|
|
suspend)
|
|
xset s off && xautolock -disable > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
resume)
|
|
xset s default && xautolock -enable > /dev/null
|
|
result=$?
|
|
;;
|
|
|
|
activate)
|
|
xautolock -enable
|
|
result=$?
|
|
;;
|
|
|
|
lock)
|
|
xautolock -locknow
|
|
result=$?
|
|
;;
|
|
|
|
reset)
|
|
xautolock -restart
|
|
result=$?
|
|
;;
|
|
|
|
status)
|
|
xautolock -unlocknow >/dev/null
|
|
result=$?
|
|
if [ $result -eq 0 ]; then
|
|
echo "enabled"
|
|
else
|
|
echo "disabled"
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: Unknown command '$1" >&2
|
|
return 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
[ x"$1" != x"" ] || exit_failure_syntax
|
|
|
|
action=
|
|
window_id=
|
|
|
|
case $1 in
|
|
suspend)
|
|
action="$1"
|
|
|
|
shift
|
|
|
|
if [ -z "$1" ] ; then
|
|
exit_failure_syntax "WindowID argument missing"
|
|
fi
|
|
|
|
window_id="$1"
|
|
check_window_id
|
|
;;
|
|
|
|
resume)
|
|
action="$1"
|
|
|
|
shift
|
|
|
|
if [ -z "$1" ] ; then
|
|
exit_failure_syntax "WindowID argument missing"
|
|
fi
|
|
|
|
window_id="$1"
|
|
check_window_id
|
|
;;
|
|
|
|
activate)
|
|
action="$1"
|
|
;;
|
|
|
|
lock)
|
|
action="$1"
|
|
;;
|
|
|
|
reset)
|
|
action="$1"
|
|
;;
|
|
|
|
status)
|
|
action="$1"
|
|
;;
|
|
|
|
*)
|
|
exit_failure_syntax "unknown command '$1'"
|
|
;;
|
|
esac
|
|
|
|
detectDE
|
|
# Consider "xscreensaver" a separate DE
|
|
xscreensaver-command -version 2> /dev/null | grep XScreenSaver > /dev/null && DE="xscreensaver"
|
|
# Consider "gnome-screensaver" a separate DE
|
|
dbus-send --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.ScreenSaver > /dev/null 2>&1 && DE="gnome_screensaver"
|
|
# Consider "mate-screensaver" a separate DE
|
|
dbus-send --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.mate.ScreenSaver > /dev/null 2>&1 && DE="mate_screensaver"
|
|
# Consider "xautolock" a separate DE
|
|
xautolock -enable > /dev/null 2>&1 && DE="xautolock_screensaver"
|
|
|
|
if [ "$action" = "resume" ] ; then
|
|
do_resume
|
|
exit_success
|
|
fi
|
|
|
|
perform_action "$action"
|
|
|
|
if [ "$action" = "suspend" ] ; then
|
|
# Start tracking $window_id and resume the screensaver once it disappears
|
|
( track_window ) 2> /dev/null > /dev/null &
|
|
fi
|
|
|
|
if [ $result -eq 0 ]; then
|
|
exit_success
|
|
else
|
|
exit_failure_operation_failed
|
|
fi
|