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ICEWMBG(1) User Commands ICEWMBG(1) NAME icewmbg - a background settings manager for the IceWM window manager SYNOPSIS icewmbg [OPTIONS] DESCRIPTION icewmbg can assign a colour or image to the X11 desktop background. Many image formats are supported. Each icewm(1) work space can have its own background. When the background image has changed then icewmbg can be notified to update the background. When switching work spaces it checks the image file modification time. If the file has changed then it reloads the background image from file. icewmbg supports semi-transparency. Semitransparent background images and colours can be configured. If these are not specified then the default background is used. It uses XINERAMA and RANDR to support backgrounds on all connected monitors. When monitors appear/disappear or change their resolution icewmbg will adjust. It supports an option for one large background over all monitors. It will update the "_ICEWMBG_IMAGE" property of the root window to the path of the background image whenever it changes the desktop background. It should be started before icewm(1), preferably by the icewm-session(1) program. OPTIONS SPECIFIC OPTIONS Where multiple values can be given for images or colours they are separated by commas. Each such value may be enclosed in double quotes. When FILE is a directory then all images from that directory are used in sorted order. If the value starts with an exclamation mark, as in !FILE, then the images from the directory FILE are permuted randomly. Image file names or directory names may have wildcards, which will be expanded according to glob(7). -p, --replace Replace an existing icewmbg. If there is a running icewmbg it is instructed to quit. The new icewmbg will take over. -q, --quit Tell the running icewmbg to quit. This option is used by icewm-session(1) when icewm(1) exits. -r, --restart Tell the running icewmbg to restart itself. This is useful when a background file or directory has changed or when settings in preferences files have changed. -u, --shuffle Shuffle the list of background images randomly. This option may be given again whenever the running icewmbg should reshuffle its list of background images. -c, --config=FILE Load preferences from FILE. -t, --theme=THEME Load the theme named THEME. -i, --image=FILE[,FILE]* Load background images from each FILE. This overrules the "DesktopBackgroundImage" preference. -k, --color=COLOR[,COLOR]* Use background colours from each COLOR. This overrules the "DesktopBackgroundColor" preference. -s, --semis=FILE[,FILE]* Load transparency images from each FILE. This overrules the "DesktopTransparencyImage" preference. -x, --trans=NAME[,NAME] Use transparency colours for each NAME. This overrules the "DesktopTransparencyColor" preference. -e, --center={0|1} Disable/Enable centring background. This overrules the "DesktopBackgroundCenter" preference. -a, --scaled={0|1} Disable/Enable scaling background. This overrules the "DesktopBackgroundScaled" preference. -m, --multi={0|1} Disable/Enable multi-head background. This overrules the "DesktopBackgroundMultihead" preference. -y, --cycle=SECONDS Cycle over the list of background images every SECONDS. This overrules the "CycleBackgroundsPeriod" preference. -d, --display=DISPLAY Use DISPLAY to connect to the X server. If this option is missing then DISPLAY is read from the environment variable "DISPLAY". --sync Use a slower synchronous mode communication with X11 server. GENERAL OPTIONS -h, --help Print a brief usage statement to stdout and exit. -V, --version Print the program version to stdout and exit. -C, --copying Print copying permissions to stdout for the program and exit. FILES PREFERENCES By default icewmbg will load the background settings from the icewm(1) preferences files (see icewm-preferences(5)). The settings read are: DesktopBackgroundCenter - Display desktop background centered DesktopBackgroundScaled - Display desktop background scaled DesktopBackgroundColor - Desktop background color(s) DesktopBackgroundImage - Desktop background image(s) ShuffleBackgroundImages - Shuffle the list of background images SupportSemitransparency - Support for semitransparent terminals DesktopTransparencyColor - Semitransparency background color(s) DesktopTransparencyImage - Semitransparency background image(s) DesktopBackgroundMultihead - One background over all monitors CycleBackgroundsPeriod - Seconds between cycling over backgrounds First these settings are read from the preferences file. Then the theme file from the current theme is read, which may overrule the preferences settings. Lastly the prefoverride file is read, which overrides again. Therefore, if you want to allow the theme to set the background use preferences for your settings, otherwise use prefoverride. See icewm-prefoverride(5). SCALING Often a background image has a different width or height than the screen. The settings can specify to centre ("DesktopBackgroundCenter") or scale ("DesktopBackgroundScaled") an image. Either option is either 0 (disabled) or 1 (enabled). What happens for their combination is given by the following table: center:0 scaled:0 = the background is replicated in both directions center:1 scaled:0 = the background is centered, but not scaled center:1 scaled:1 = fill one dimension and preserve the aspect ratio center:0 scaled:1 = fill both dimensions and preserve the aspect ratio SIGNALS icewmbg supports the following signals: SIGHUP icewmbg will restart itself. SIGINT, SIGTERM icewmbg will terminate. SIGUSR1 icewmbg will reshuffle the list of background images and update the backgrounds of all work spaces. SEE ALSO icewm(1), icewm-preferences(5), icewm-prefoverride(5), wmsetbg(1), xsetbg(1), xv(1). BUGS icewmbg had no known bugs at the time of release. Please report bugs for current versions to the source code repository at <https://github.com/bbidulock/icewm/issues>. AUTHOR Brian Bidulock <mailto:bidulock@openss7.org>. See --copying for full copyright notice and copying permissions. LICENSE IceWM is licensed under the GNU Library General Public License. See the COPYING file in the distribution or use the --copying flag to display copying permissions. icewm 1.9.2 2020-11-10 ICEWMBG(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SIGNALS | SEE ALSO | BUGS | AUTHOR | LICENSE
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