forked from ports/contrib
1385 lines
29 KiB
Groff
1385 lines
29 KiB
Groff
'\" t
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.\" Title: picom
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.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
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.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
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.\" Date: 11/11/2020
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.\" Manual: User Commands
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.\" Source: picom v8.2
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.\" Language: English
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.\"
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.TH "PICOM" "1" "11/11/2020" "picom v8\&.2" "User Commands"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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picom \- a compositor for X11
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.SH "SYNOPSIS"
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.sp
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\fBpicom\fR [\fIOPTIONS\fR]
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.SH "DESCRIPTION"
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.sp
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picom is a compositor based on Dana Jansens\*(Aq version of xcompmgr (which itself was written by Keith Packard)\&. It includes some improvements over the original xcompmgr, like window frame opacity and inactive window transparency\&.
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.SH "OPTIONS"
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.PP
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\fB\-h\fR, \fB\-\-help\fR
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.RS 4
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Get the usage text embedded in program code, which may be more up\-to\-date than this man page\&.
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.RE
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.PP
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\fB\-r\fR, \fB\-\-shadow\-radius\fR=\fIRADIUS\fR
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.RS 4
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The blur radius for shadows, in pixels\&. (defaults to 12)
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.RE
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.PP
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\fB\-o\fR, \fB\-\-shadow\-opacity\fR=\fIOPACITY\fR
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.RS 4
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The opacity of shadows\&. (0\&.0 \- 1\&.0, defaults to 0\&.75)
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.RE
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.PP
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\fB\-l\fR, \fB\-\-shadow\-offset\-x\fR=\fIOFFSET\fR
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.RS 4
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The left offset for shadows, in pixels\&. (defaults to \-15)
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.RE
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.PP
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\fB\-t\fR, \fB\-\-shadow\-offset\-y\fR=\fIOFFSET\fR
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.RS 4
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The top offset for shadows, in pixels\&. (defaults to \-15)
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.RE
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.PP
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\fB\-I\fR, \fB\-\-fade\-in\-step\fR=\fIOPACITY_STEP\fR
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.RS 4
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Opacity change between steps while fading in\&. (0\&.01 \- 1\&.0, defaults to 0\&.028)
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.RE
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.PP
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\fB\-O\fR, \fB\-\-fade\-out\-step\fR=\fIOPACITY_STEP\fR
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.RS 4
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Opacity change between steps while fading out\&. (0\&.01 \- 1\&.0, defaults to 0\&.03)
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.RE
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.PP
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\fB\-D\fR, \fB\-\-fade\-delta\fR=\fIMILLISECONDS\fR
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.RS 4
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The time between steps in fade step, in milliseconds\&. (> 0, defaults to 10)
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.RE
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.PP
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\fB\-m\fR, \fB\-\-menu\-opacity\fR=\fIOPACITY\fR
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.RS 4
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Default opacity for dropdown menus and popup menus\&. (0\&.0 \- 1\&.0, defaults to 1\&.0)
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.RE
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.PP
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\fB\-c\fR, \fB\-\-shadow\fR
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.RS 4
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Enabled client\-side shadows on windows\&. Note desktop windows (windows with
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\fI_NET_WM_WINDOW_TYPE_DESKTOP\fR) never get shadow, unless explicitly requested using the wintypes option\&.
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.RE
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.PP
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\fB\-C\fR, \fB\-\-no\-dock\-shadow\fR
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.RS 4
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Avoid drawing shadows on dock/panel windows\&. This option is deprecated, you should use the
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\fBwintypes\fR
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option in your config file instead\&.
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.RE
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.PP
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\fB\-f\fR, \fB\-\-fading\fR
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.RS 4
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Fade windows in/out when opening/closing and when opacity changes, unless
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\fB\-\-no\-fading\-openclose\fR
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is used\&.
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.RE
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.PP
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\fB\-F\fR
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.RS 4
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Equals to
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\fB\-f\fR\&. Deprecated\&.
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.RE
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.PP
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\fB\-i\fR, \fB\-\-inactive\-opacity\fR=\fIOPACITY\fR
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.RS 4
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Opacity of inactive windows\&. (0\&.1 \- 1\&.0, defaults to 1\&.0)
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.RE
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.PP
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\fB\-e\fR, \fB\-\-frame\-opacity\fR=\fIOPACITY\fR
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.RS 4
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Opacity of window titlebars and borders\&. (0\&.1 \- 1\&.0, disabled by default)
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.RE
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.PP
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\fB\-G\fR, \fB\-\-no\-dnd\-shadow\fR
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.RS 4
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Don\(cqt draw shadows on drag\-and\-drop windows\&. This option is deprecated, you should use the
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\fBwintypes\fR
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option in your config file instead\&.
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.RE
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.PP
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\fB\-b\fR, \fB\-\-daemon\fR
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.RS 4
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Daemonize process\&. Fork to background after initialization\&. Causes issues with certain (badly\-written) drivers\&.
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.RE
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.PP
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\fB\-\-log\-level\fR
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.RS 4
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Set the log level\&. Possible values are "TRACE", "DEBUG", "INFO", "WARN", "ERROR", in increasing level of importance\&. Case doesn\(cqt matter\&. If using the "TRACE" log level, it\(cqs better to log into a file using
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\fB\-\-log\-file\fR, since it can generate a huge stream of logs\&.
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.RE
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.PP
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\fB\-\-log\-file\fR
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.RS 4
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Set the log file\&. If
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\fB\-\-log\-file\fR
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is never specified, logs will be written to stderr\&. Otherwise, logs will to written to the given file, though some of the early logs might still be written to the stderr\&. When setting this option from the config file, it is recommended to use an absolute path\&.
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.RE
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.PP
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\fB\-\-experimental\-backends\fR
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.RS 4
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Use the new, reimplemented version of the backends\&. The new backends are HIGHLY UNSTABLE at this point, you have been warned\&. This option is not available in the config file\&.
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.RE
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.PP
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\fB\-\-show\-all\-xerrors\fR
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.RS 4
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Show all X errors (for debugging)\&.
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.RE
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.PP
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\fB\-\-config\fR \fIPATH\fR
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.RS 4
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Look for configuration file at the path\&. See
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\fBCONFIGURATION FILES\fR
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section below for where picom looks for a configuration file by default\&. Use
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/dev/null
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to avoid loading configuration file\&.
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.RE
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.PP
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\fB\-\-write\-pid\-path\fR \fIPATH\fR
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.RS 4
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Write process ID to a file\&. it is recommended to use an absolute path\&.
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.RE
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.PP
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\fB\-\-shadow\-red\fR \fIVALUE\fR
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.RS 4
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Red color value of shadow (0\&.0 \- 1\&.0, defaults to 0)\&.
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.RE
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.PP
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\fB\-\-shadow\-green\fR \fIVALUE\fR
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.RS 4
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Green color value of shadow (0\&.0 \- 1\&.0, defaults to 0)\&.
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.RE
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.PP
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\fB\-\-shadow\-blue\fR \fIVALUE\fR
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.RS 4
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Blue color value of shadow (0\&.0 \- 1\&.0, defaults to 0)\&.
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.RE
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.PP
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\fB\-\-inactive\-opacity\-override\fR
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.RS 4
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Let inactive opacity set by
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\fB\-i\fR
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override the
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\fI_NET_WM_OPACITY\fR
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values of windows\&.
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.RE
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.PP
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\fB\-\-active\-opacity\fR \fIOPACITY\fR
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.RS 4
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Default opacity for active windows\&. (0\&.0 \- 1\&.0, defaults to 1\&.0)
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.RE
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.PP
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\fB\-\-inactive\-dim\fR \fIVALUE\fR
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.RS 4
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Dim inactive windows\&. (0\&.0 \- 1\&.0, defaults to 0\&.0)
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.RE
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.PP
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\fB\-\-mark\-wmwin\-focused\fR
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.RS 4
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Try to detect WM windows (a non\-override\-redirect window with no child that has
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\fIWM_STATE\fR) and mark them as active\&.
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.RE
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.PP
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\fB\-\-mark\-ovredir\-focused\fR
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.RS 4
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Mark override\-redirect windows that doesn\(cqt have a child window with
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\fIWM_STATE\fR
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focused\&.
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.RE
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.PP
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\fB\-\-no\-fading\-openclose\fR
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.RS 4
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Do not fade on window open/close\&.
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.RE
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.PP
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\fB\-\-no\-fading\-destroyed\-argb\fR
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.RS 4
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Do not fade destroyed ARGB windows with WM frame\&. Workaround of bugs in Openbox, Fluxbox, etc\&.
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.RE
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.PP
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\fB\-\-shadow\-ignore\-shaped\fR
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.RS 4
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Do not paint shadows on shaped windows\&. Note shaped windows here means windows setting its shape through X Shape extension\&. Those using ARGB background is beyond our control\&. Deprecated, use
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\-\-shadow\-exclude \*(Aqbounding_shaped\*(Aq
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or
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\-\-shadow\-exclude \*(Aqbounding_shaped && !rounded_corners\*(Aq
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instead\&.
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.RE
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.PP
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\fB\-\-detect\-rounded\-corners\fR
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.RS 4
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Try to detect windows with rounded corners and don\(cqt consider them shaped windows\&. The accuracy is not very high, unfortunately\&.
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.RE
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.PP
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\fB\-\-detect\-client\-opacity\fR
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.RS 4
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Detect
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\fI_NET_WM_OPACITY\fR
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on client windows, useful for window managers not passing
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\fI_NET_WM_OPACITY\fR
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of client windows to frame windows\&.
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.RE
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.PP
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\fB\-\-refresh\-rate\fR \fIREFRESH_RATE\fR
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.RS 4
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Specify refresh rate of the screen\&. If not specified or 0, picom will try detecting this with X RandR extension\&.
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.RE
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.PP
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\fB\-\-vsync\fR, \fB\-\-no\-vsync\fR
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.RS 4
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Enable/disable VSync\&.
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.RE
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.PP
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\fB\-\-sw\-opti\fR
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.RS 4
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Limit picom to repaint at most once every 1 /
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\fIrefresh_rate\fR
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second to boost performance\&. This should not be used with
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\fB\-\-vsync\fR
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drm/opengl/opengl\-oml as they essentially does
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\fB\-\-sw\-opti\fR\*(Aqs job already, unless you wish to specify a lower refresh rate than the actual value\&.
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.RE
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.PP
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\fB\-\-use\-ewmh\-active\-win\fR
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.RS 4
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Use EWMH
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\fI_NET_ACTIVE_WINDOW\fR
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to determine currently focused window, rather than listening to
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\fIFocusIn\fR/\fIFocusOut\fR
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event\&. Might have more accuracy, provided that the WM supports it\&.
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.RE
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.PP
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\fB\-\-unredir\-if\-possible\fR
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.RS 4
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Unredirect all windows if a full\-screen opaque window is detected, to maximize performance for full\-screen windows\&. Known to cause flickering when redirecting/unredirecting windows\&.
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.RE
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.PP
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\fB\-\-unredir\-if\-possible\-delay\fR \fIMILLISECONDS\fR
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.RS 4
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Delay before unredirecting the window, in milliseconds\&. Defaults to 0\&.
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.RE
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.PP
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\fB\-\-unredir\-if\-possible\-exclude\fR \fICONDITION\fR
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.RS 4
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Conditions of windows that shouldn\(cqt be considered full\-screen for unredirecting screen\&.
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.RE
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.PP
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\fB\-\-shadow\-exclude\fR \fICONDITION\fR
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.RS 4
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Specify a list of conditions of windows that should have no shadow\&.
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.RE
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.PP
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\fB\-\-fade\-exclude\fR \fICONDITION\fR
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.RS 4
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Specify a list of conditions of windows that should not be faded\&.
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.RE
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.PP
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\fB\-\-focus\-exclude\fR \fICONDITION\fR
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.RS 4
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Specify a list of conditions of windows that should always be considered focused\&.
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.RE
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.PP
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\fB\-\-inactive\-dim\-fixed\fR
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.RS 4
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Use fixed inactive dim value, instead of adjusting according to window opacity\&.
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.RE
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.PP
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\fB\-\-detect\-transient\fR
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.RS 4
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Use
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\fIWM_TRANSIENT_FOR\fR
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to group windows, and consider windows in the same group focused at the same time\&.
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.RE
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.PP
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\fB\-\-detect\-client\-leader\fR
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.RS 4
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Use
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\fIWM_CLIENT_LEADER\fR
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to group windows, and consider windows in the same group focused at the same time\&.
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\fIWM_TRANSIENT_FOR\fR
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has higher priority if
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\fB\-\-detect\-transient\fR
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is enabled, too\&.
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.RE
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.PP
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\fB\-\-blur\-method\fR, \fB\-\-blur\-size\fR, \fB\-\-blur\-deviation\fR
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.RS 4
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Parameters for background blurring, see the
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\fBBLUR\fR
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section for more information\&.
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.RE
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.PP
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\fB\-\-blur\-background\fR
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.RS 4
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Blur background of semi\-transparent / ARGB windows\&. Bad in performance, with driver\-dependent behavior\&. The name of the switch may change without prior notifications\&.
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.RE
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.PP
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\fB\-\-blur\-background\-frame\fR
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.RS 4
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Blur background of windows when the window frame is not opaque\&. Implies
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\fB\-\-blur\-background\fR\&. Bad in performance, with driver\-dependent behavior\&. The name may change\&.
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.RE
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.PP
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\fB\-\-blur\-background\-fixed\fR
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.RS 4
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Use fixed blur strength rather than adjusting according to window opacity\&.
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.RE
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.PP
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\fB\-\-blur\-kern\fR \fIMATRIX\fR
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.RS 4
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Specify the blur convolution kernel, with the following format:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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WIDTH,HEIGHT,ELE1,ELE2,ELE3,ELE4,ELE5\&.\&.\&.
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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In other words, the matrix is formatted as a list of comma separated numbers\&. The first two numbers must be integers, which specify the width and height of the matrix\&. They must be odd numbers\&. Then, the following
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\fIwidth * height \- 1\fR
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numbers specifies the numbers in the matrix, row by row, excluding the center element\&.
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.sp
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The elements are finite floating point numbers\&. The decimal pointer has to be
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\fI\&.\fR
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(a period), scientific notation is not supported\&.
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.sp
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The element in the center will either be 1\&.0 or varying based on opacity, depending on whether you have
|
|
\fB\-\-blur\-background\-fixed\fR\&. Yet the automatic adjustment of blur factor may not work well with a custom blur kernel\&.
|
|
.sp
|
|
|
|
A 7x7 Gaussian blur kernel (sigma = 0\&.84089642) looks like:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
\-\-blur\-kern \*(Aq7,7,0\&.000003,0\&.000102,0\&.000849,0\&.001723,0\&.000849,0\&.000102,0\&.000003,0\&.000102,0\&.003494,0\&.029143,0\&.059106,0\&.029143,0\&.003494,0\&.000102,0\&.000849,0\&.029143,0\&.243117,0\&.493069,0\&.243117,0\&.029143,0\&.000849,0\&.001723,0\&.059106,0\&.493069,0\&.493069,0\&.059106,0\&.001723,0\&.000849,0\&.029143,0\&.243117,0\&.493069,0\&.243117,0\&.029143,0\&.000849,0\&.000102,0\&.003494,0\&.029143,0\&.059106,0\&.029143,0\&.003494,0\&.000102,0\&.000003,0\&.000102,0\&.000849,0\&.001723,0\&.000849,0\&.000102,0\&.000003\*(Aq
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
|
|
May also be one of the predefined kernels:
|
|
3x3box
|
|
(default),
|
|
5x5box,
|
|
7x7box,
|
|
3x3gaussian,
|
|
5x5gaussian,
|
|
7x7gaussian,
|
|
9x9gaussian,
|
|
11x11gaussian\&. All Gaussian kernels are generated with sigma = 0\&.84089642 \&. If you find yourself needing to generate custom blur kernels, you might want to try the new blur configuration supported by the experimental backends (See
|
|
\fBBLUR\fR
|
|
and
|
|
\fB\-\-experimental\-backends\fR)\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-blur\-background\-exclude\fR \fICONDITION\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Exclude conditions for background blur\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-resize\-damage\fR \fIINTEGER\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Resize damaged region by a specific number of pixels\&. A positive value enlarges it while a negative one shrinks it\&. If the value is positive, those additional pixels will not be actually painted to screen, only used in blur calculation, and such\&. (Due to technical limitations, with
|
|
\fB\-\-use\-damage\fR, those pixels will still be incorrectly painted to screen\&.) Primarily used to fix the line corruption issues of blur, in which case you should use the blur radius value here (e\&.g\&. with a 3x3 kernel, you should use
|
|
\-\-resize\-damage 1, with a 5x5 one you use
|
|
\-\-resize\-damage 2, and so on)\&. May or may not work with
|
|
\fB\-\-glx\-no\-stencil\fR\&. Shrinking doesn\(cqt function correctly\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-invert\-color\-include\fR \fICONDITION\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Specify a list of conditions of windows that should be painted with inverted color\&. Resource\-hogging, and is not well tested\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-opacity\-rule\fR \fIOPACITY\fR:\*(AqCONDITION\*(Aq
|
|
.RS 4
|
|
|
|
|
|
|
|
Specify a list of opacity rules, in the format
|
|
PERCENT:PATTERN, like
|
|
50:name *= "Firefox"\&. picom\-trans is recommended over this\&. Note we don\(cqt make any guarantee about possible conflicts with other programs that set
|
|
\fI_NET_WM_WINDOW_OPACITY\fR
|
|
on frame or client windows\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-shadow\-exclude\-reg\fR \fIGEOMETRY\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Specify a X geometry that describes the region in which shadow should not be painted in, such as a dock window region\&. Use
|
|
\-\-shadow\-exclude\-reg x10+0\-0, for example, if the 10 pixels on the bottom of the screen should not have shadows painted on\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-xinerama\-shadow\-crop\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Crop shadow of a window fully on a particular Xinerama screen to the screen\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-backend\fR \fIBACKEND\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Specify the backend to use:
|
|
xrender,
|
|
glx, or
|
|
xr_glx_hybrid\&.
|
|
xrender
|
|
is the default one\&.
|
|
|
|
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
xrender
|
|
backend performs all rendering operations with X Render extension\&. It is what
|
|
xcompmgr
|
|
uses, and is generally a safe fallback when you encounter rendering artifacts or instability\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
glx
|
|
(OpenGL) backend performs all rendering operations with OpenGL\&. It is more friendly to some VSync methods, and has significantly superior performance on color inversion (\fB\-\-invert\-color\-include\fR) or blur (\fB\-\-blur\-background\fR)\&. It requires proper OpenGL 2\&.0 support from your driver and hardware\&. You may wish to look at the GLX performance optimization options below\&.
|
|
\fB\-\-xrender\-sync\-fence\fR
|
|
might be needed on some systems to avoid delay in changes of screen contents\&.
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
xr_glx_hybrid
|
|
backend renders the updated screen contents with X Render and presents it on the screen with GLX\&. It attempts to address the rendering issues some users encountered with GLX backend and enables the better VSync of GLX backends\&.
|
|
\fB\-\-vsync\-use\-glfinish\fR
|
|
might fix some rendering issues with this backend\&.
|
|
.RE
|
|
.sp
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-glx\-no\-stencil\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
GLX backend: Avoid using stencil buffer, useful if you don\(cqt have a stencil buffer\&. Might cause incorrect opacity when rendering transparent content (but never practically happened) and may not work with
|
|
\fB\-\-blur\-background\fR\&. My tests show a 15% performance boost\&. Recommended\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-glx\-no\-rebind\-pixmap\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
GLX backend: Avoid rebinding pixmap on window damage\&. Probably could improve performance on rapid window content changes, but is known to break things on some drivers (LLVMpipe, xf86\-video\-intel, etc\&.)\&. Recommended if it works\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-no\-use\-damage\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Disable the use of damage information\&. This cause the whole screen to be redrawn everytime, instead of the part of the screen has actually changed\&. Potentially degrades the performance, but might fix some artifacts\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-xrender\-sync\-fence\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Use X Sync fence to sync clients\*(Aq draw calls, to make sure all draw calls are finished before picom starts drawing\&. Needed on nvidia\-drivers with GLX backend for some users\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-glx\-fshader\-win\fR \fISHADER\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
GLX backend: Use specified GLSL fragment shader for rendering window contents\&. See
|
|
compton\-default\-fshader\-win\&.glsl
|
|
and
|
|
compton\-fake\-transparency\-fshader\-win\&.glsl
|
|
in the source tree for examples\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-force\-win\-blend\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Force all windows to be painted with blending\&. Useful if you have a
|
|
\fB\-\-glx\-fshader\-win\fR
|
|
that could turn opaque pixels transparent\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-dbus\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Enable remote control via D\-Bus\&. See the
|
|
\fBD\-BUS API\fR
|
|
section below for more details\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-benchmark\fR \fICYCLES\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Benchmark mode\&. Repeatedly paint until reaching the specified cycles\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-benchmark\-wid\fR \fIWINDOW_ID\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Specify window ID to repaint in benchmark mode\&. If omitted or is 0, the whole screen is repainted\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-no\-ewmh\-fullscreen\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Do not use EWMH to detect fullscreen windows\&. Reverts to checking if a window is fullscreen based only on its size and coordinates\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-max\-brightness\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Dimming bright windows so their brightness doesn\(cqt exceed this set value\&. Brightness of a window is estimated by averaging all pixels in the window, so this could comes with a performance hit\&. Setting this to 1\&.0 disables this behaviour\&. Requires
|
|
\fB\-\-use\-damage\fR
|
|
to be disabled\&. (default: 1\&.0)
|
|
|
|
.RE
|
|
.PP
|
|
\fB\-\-transparent\-clipping\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
Make transparent windows clip other windows like non\-transparent windows do, instead of blending on top of them\&.
|
|
|
|
.RE
|
|
|
|
.SH "FORMAT OF CONDITIONS"
|
|
|
|
.sp
|
|
Some options accept a condition string to match certain windows\&. A condition string is formed by one or more conditions, joined by logical operators\&.
|
|
.sp
|
|
A condition with "exists" operator looks like this:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
<NEGATION> <TARGET> <CLIENT/FRAME> [<INDEX>] : <FORMAT> <TYPE>
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
With equals operator it looks like:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
<NEGATION> <TARGET> <CLIENT/FRAME> [<INDEX>] : <FORMAT> <TYPE> <NEGATION> <OP QUALIFIER> <MATCH TYPE> = <PATTERN>
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
With greater\-than/less\-than operators it looks like:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
<NEGATION> <TARGET> <CLIENT/FRAME> [<INDEX>] : <FORMAT> <TYPE> <NEGATION> <OPERATOR> <PATTERN>
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
\fINEGATION\fR (optional) is one or more exclamation marks;
|
|
.sp
|
|
\fITARGET\fR is either a predefined target name, or the name of a window property to match\&. Supported predefined targets are id, x, y, x2 (x + widthb), y2, width, height, widthb (width + 2 * border_width), heightb, override_redirect, argb (whether the window has an ARGB visual), focused, wmwin (whether the window looks like a WM window, i\&.e\&. has no child window with WM_STATE and is not override\-redirected), bounding_shaped, rounded_corners (requires \fB\-\-detect\-rounded\-corners\fR), client (ID of client window), window_type (window type in string), leader (ID of window leader), name, class_g (= WM_CLASS[1]), class_i (= WM_CLASS[0]), and role\&.
|
|
.sp
|
|
\fICLIENT/FRAME\fR is a single @ if the window attribute should be be looked up on client window, nothing if on frame window;
|
|
.sp
|
|
\fIINDEX\fR (optional) is the index number of the property to look up\&. For example, [2] means look at the third value in the property\&. Do not specify it for predefined targets\&.
|
|
.sp
|
|
\fIFORMAT\fR (optional) specifies the format of the property, 8, 16, or 32\&. On absence we use format X reports\&. Do not specify it for predefined or string targets\&.
|
|
.sp
|
|
\fITYPE\fR is a single character representing the type of the property to match for: c for \fICARDINAL\fR, a for \fIATOM\fR, w for \fIWINDOW\fR, d for \fIDRAWABLE\fR, s for \fISTRING\fR (and any other string types, such as \fIUTF8_STRING\fR)\&. Do not specify it for predefined targets\&.
|
|
.sp
|
|
\fIOP QUALIFIER\fR (optional), applicable only for equals operator, could be ? (ignore\-case)\&.
|
|
.sp
|
|
\fIMATCH TYPE\fR (optional), applicable only for equals operator, could be nothing (exact match), * (match anywhere), ^ (match from start), % (wildcard), or ~ (PCRE regular expression)\&.
|
|
.sp
|
|
\fIOPERATOR\fR is one of = (equals), <, >, <=, =>, or nothing (exists)\&. Exists operator checks whether a property exists on a window (but for predefined targets, exists means != 0 then)\&.
|
|
.sp
|
|
\fIPATTERN\fR is either an integer or a string enclosed by single or double quotes\&. Python\-3\-style escape sequences and raw string are supported in the string format\&.
|
|
.sp
|
|
Supported logical operators are && (and) and || (or)\&. && has higher precedence than ||, left\-to\-right associativity\&. Use parentheses to change precedence\&.
|
|
.sp
|
|
Examples:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
# If the window is focused
|
|
focused
|
|
focused = 1
|
|
# If the window is not override\-redirected
|
|
!override_redirect
|
|
override_redirect = false
|
|
override_redirect != true
|
|
override_redirect != 1
|
|
# If the window is a menu
|
|
window_type *= "menu"
|
|
_NET_WM_WINDOW_TYPE@:a *= "MENU"
|
|
# If the window name contains "Firefox", ignore case
|
|
name *?= "Firefox"
|
|
_NET_WM_NAME@:s *?= "Firefox"
|
|
# If the window name ends with "Firefox"
|
|
name %= "*Firefox"
|
|
name ~= "Firefox$"
|
|
# If the window has a property _COMPTON_SHADOW with value 0, type CARDINAL,
|
|
# format 32, value 0, on its frame window
|
|
_COMPTON_SHADOW:32c = 0
|
|
# If the third value of _NET_FRAME_EXTENTS is less than 20, or there\*(Aqs no
|
|
# _NET_FRAME_EXTENTS property on client window
|
|
_NET_FRAME_EXTENTS@[2]:32c < 20 || !_NET_FRAME_EXTENTS@:32c
|
|
# The pattern here will be parsed as "dd4"
|
|
name = "\ex64\ex64\eo64"
|
|
# The pattern here will be parsed as "\ex64\ex64\ex64"
|
|
name = r"\ex64\ex64\eo64"
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
|
|
.SH "LEGACY FORMAT OF CONDITIONS"
|
|
|
|
.sp
|
|
This is the old condition format we once used\&. Support of this format might be removed in the future\&.
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
condition = TARGET:TYPE[FLAGS]:PATTERN
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
\fITARGET\fR is one of "n" (window name), "i" (window class instance), "g" (window general class), and "r" (window role)\&.
|
|
.sp
|
|
\fITYPE\fR is one of "e" (exact match), "a" (match anywhere), "s" (match from start), "w" (wildcard), and "p" (PCRE regular expressions, if compiled with the support)\&.
|
|
.sp
|
|
\fIFLAGS\fR could be a series of flags\&. Currently the only defined flag is "i" (ignore case)\&.
|
|
.sp
|
|
\fIPATTERN\fR is the actual pattern string\&.
|
|
|
|
.SH "CONFIGURATION FILES"
|
|
|
|
.sp
|
|
picom could read from a configuration file if libconfig support is compiled in\&. If \fB\-\-config\fR is not used, picom will seek for a configuration file in $XDG_CONFIG_HOME/picom\&.conf (~/\&.config/picom\&.conf, usually), then $XDG_CONFIG_HOME/picom/picom\&.conf, then $XDG_CONFIG_DIRS/picom\&.conf (often /etc/xdg/picom\&.conf), then $XDG_CONFIG_DIRS/picom/picom\&.conf\&.
|
|
.sp
|
|
picom uses general libconfig configuration file format\&. A sample configuration file is available as picom\&.sample\&.conf in the source tree\&. Most of commandline switches can be used as options in configuration file as well\&. For example, \fB\-\-vsync\fR option documented above can be set in the configuration file using `vsync = `\&. Command line options will always overwrite the settings in the configuration file\&.
|
|
.sp
|
|
Window\-type\-specific settings are exposed only in configuration file and has the following format:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
wintypes:
|
|
{
|
|
WINDOW_TYPE = { fade = BOOL; shadow = BOOL; opacity = FLOAT; focus = BOOL; full\-shadow = BOOL; redir\-ignore = BOOL; };
|
|
};
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
\fIWINDOW_TYPE\fR is one of the 15 window types defined in EWMH standard: "unknown", "desktop", "dock", "toolbar", "menu", "utility", "splash", "dialog", "normal", "dropdown_menu", "popup_menu", "tooltip", "notification", "combo", and "dnd"\&.
|
|
|
|
|
|
.PP
|
|
Following per window\-type options are available:
|
|
.RS 4
|
|
|
|
|
|
|
|
.PP
|
|
fade, shadow
|
|
.RS 4
|
|
|
|
|
|
|
|
Controls window\-type\-specific shadow and fade settings\&.
|
|
|
|
.RE
|
|
.PP
|
|
opacity
|
|
.RS 4
|
|
|
|
|
|
|
|
Controls default opacity of the window type\&.
|
|
|
|
.RE
|
|
.PP
|
|
focus
|
|
.RS 4
|
|
|
|
|
|
|
|
Controls whether the window of this type is to be always considered focused\&. (By default, all window types except "normal" and "dialog" has this on\&.)
|
|
|
|
.RE
|
|
.PP
|
|
full\-shadow
|
|
.RS 4
|
|
|
|
|
|
|
|
Controls whether shadow is drawn under the parts of the window that you normally won\(cqt be able to see\&. Useful when the window has parts of it transparent, and you want shadows in those areas\&.
|
|
|
|
.RE
|
|
.PP
|
|
redir\-ignore
|
|
.RS 4
|
|
|
|
|
|
|
|
Controls whether this type of windows should cause screen to become redirected again after been unredirected\&. If you have
|
|
\fB\-\-unredir\-if\-possible\fR
|
|
set, and doesn\(cqt want certain window to cause unnecessary screen redirection, you can set this to
|
|
true\&.
|
|
|
|
.RE
|
|
.sp
|
|
|
|
.RE
|
|
|
|
.SH "BLUR"
|
|
|
|
.sp
|
|
You can configure how the window background is blurred using a \fIblur\fR section in your configuration file\&. Here is an example:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
blur:
|
|
{
|
|
method = "gaussian";
|
|
size = 10;
|
|
deviation = 5\&.0;
|
|
};
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
|
|
|
|
.PP
|
|
Available options of the \fIblur\fR section are:
|
|
.RS 4
|
|
|
|
|
|
|
|
.PP
|
|
\fBmethod\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
A string\&. Controls the blur method\&. Corresponds to the
|
|
\fB\-\-blur\-method\fR
|
|
command line option\&. Available choices are:
|
|
\fInone\fR
|
|
to disable blurring;
|
|
\fIgaussian\fR
|
|
for gaussian blur;
|
|
\fIbox\fR
|
|
for box blur;
|
|
\fIkernel\fR
|
|
for convolution blur with a custom kernel\&. Note:
|
|
\fIgaussian\fR
|
|
and
|
|
\fIbox\fR
|
|
blur methods are only supported by the experimental backends\&. (default: none)
|
|
|
|
.RE
|
|
.PP
|
|
\fBsize\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
An integer\&. The size of the blur kernel, required by
|
|
\fIgaussian\fR
|
|
and
|
|
\fIbox\fR
|
|
blur methods\&. For the
|
|
\fIkernel\fR
|
|
method, the size is included in the kernel\&. Corresponds to the
|
|
\fB\-\-blur\-size\fR
|
|
command line option (default: 3)\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fBdeviation\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
A floating point number\&. The standard deviation for the
|
|
\fIgaussian\fR
|
|
blur method\&. Corresponds to the
|
|
\fB\-\-blur\-deviation\fR
|
|
command line option (default: 0\&.84089642)\&.
|
|
|
|
.RE
|
|
.PP
|
|
\fBkernel\fR
|
|
.RS 4
|
|
|
|
|
|
|
|
A string\&. The kernel to use for the
|
|
\fIkernel\fR
|
|
blur method, specified in the same format as the
|
|
\fB\-\-blur\-kerns\fR
|
|
option\&. Corresponds to the
|
|
\fB\-\-blur\-kerns\fR
|
|
command line option\&.
|
|
|
|
.RE
|
|
.sp
|
|
|
|
.RE
|
|
|
|
.SH "SIGNALS"
|
|
|
|
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
picom reinitializes itself upon receiving
|
|
SIGUSR1\&.
|
|
.RE
|
|
.SH "D\-BUS API"
|
|
|
|
.sp
|
|
It\(cqs possible to control picom via D\-Bus messages, by running picom with \fB\-\-dbus\fR and send messages to com\&.github\&.chjj\&.compton\&.<DISPLAY>\&. <DISPLAY> is the display used by picom, with all non\-alphanumeric characters transformed to underscores\&. For DISPLAY=:0\&.0 you should use com\&.github\&.chjj\&.compton\&._0_0, for example\&.
|
|
.sp
|
|
The D\-Bus methods and signals are not yet stable, thus undocumented right now\&.
|
|
|
|
.SH "EXAMPLES"
|
|
|
|
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
Disable configuration file parsing:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
$ picom \-\-config /dev/null
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
Run picom with client\-side shadow and fading, disable shadow on dock windows and drag\-and\-drop windows:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
$ picom \-cCGf
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
Same thing as above, plus making inactive windows 80% transparent, making frame 80% transparent, don\(cqt fade on window open/close, enable software optimization, and fork to background:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
$ picom \-bcCGf \-i 0\&.8 \-e 0\&.8 \-\-no\-fading\-openclose \-\-sw\-opti
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
Draw white shadows:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
$ picom \-c \-\-shadow\-red 1 \-\-shadow\-green 1 \-\-shadow\-blue 1
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
Avoid drawing shadows on wbar window:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
$ picom \-c \-\-shadow\-exclude \*(Aqclass_g = "wbar"\*(Aq
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
.RE
|
|
.sp
|
|
.RS 4
|
|
.ie n \{\
|
|
\h'-04'\(bu\h'+03'\c
|
|
.\}
|
|
.el \{\
|
|
.sp -1
|
|
.IP \(bu 2.3
|
|
.\}
|
|
|
|
Enable VSync with GLX backend:
|
|
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
$ picom \-\-backend glx \-\-vsync
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
.RE
|
|
.SH "BUGS"
|
|
|
|
.sp
|
|
Please submit bug reports to \m[blue]\fBhttps://github\&.com/yshui/picom\fR\m[]\&.
|
|
.sp
|
|
Out dated information in this man page is considered a bug\&.
|
|
|
|
.SH "RESOURCES"
|
|
|
|
.sp
|
|
Homepage: \m[blue]\fBhttps://github\&.com/yshui/picom\fR\m[]
|
|
|
|
.SH "SEE ALSO"
|
|
|
|
.sp
|
|
\fBxcompmgr\fR(1), \m[blue]\fB\fBpicom\-trans\fR(1)\fR\m[]\&\s-2\u[1]\d\s+2
|
|
|
|
|