My fork of the popular lemonbar project : "A featherweight, lemon-scented, bar based on xcb"
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README.pod

NAME

lemonbar - Featherweight lemon-scented bar

SYNOPSIS

lemonbar [-h | -g widthxheight+x+y | -b | -d | -f font | -p | -u pixel | -B color | -F color]

DESCRIPTION

lemonbar (formerly known as bar) is a lightweight bar entirely based on XCB. Provides full UTF-8 support, basic formatting, RandR and Xinerama support and EWMH compliance without wasting your precious memory.

OPTIONS

-h

Display the help and exit.

-g widthxheight+x+y

Set the window geometry. If a parameter is omitted it's filled with the default value. If the y parameter is specified along with the -b switch then the position is relative to the bottom of the screen.

-b

Dock the bar at the bottom of the screen.

-d

Force docking without asking the window manager. This is needed if the window manager isn't EWMH compliant.

-f font

Define the font to load into one of the five slots (the number of slots is hardcoded and can be tweaked by changing the MAX_FONT_COUNT parameter in the source code).

-p

Make the bar permanent, don't exit after the standard input is closed.

-u pixel

Sets the underline width in pixels. The default is 1.

-B color

Set the background color of the bar. color might be either in hex format (#aarrggbb) or in the symbolic name format (eg. white, indianred, darkgray). If no compositor such as compton or xcompmgr is running the alpha channel is silently ignored.

-F color

Set the foreground color of the bar. Accepts the same color formats as -B.

FORMATTING

lemonbar provides a screenrc-inspired formatting syntax to allow full customization at runtime. Every formatting block is opened with %{ and closed by } and accepts the following commands, the parser tries it's best to handle malformed input.

R

Swap the current background and foreground colors.

l

Aligns the following text to the left side of the screen.

c

Aligns the following text to the center of the screen.

r

Aligns the following text to the right side of the screen.

Bcolor

Set the text background color. The parameter color can be - or a color in one of the formats mentioned before. The special value - resets the color to the default one.

Fcolor

Set the text foreground color. The parameter color can be - or a color in one of the formats mentioned before. The special value - resets the color to the default one.

Tindex

Set the font used to draw the following text. The parameter index can either be - or the 1-based index of the slot which contains the desired font. If the parameter is - lemonbar resets to the normal behavior (matching the first font that can be used for the character). If the selected font can't be used to draw a character, lemonbar will fall back to normal behavior for that character

Ucolor

Set the text underline color. The parameter color can be - or a color in one of the formats mentioned before. The special value - resets the color to the default one.

Abutton:command:

Create a clickable area starting from the current position, when the area is clicked command is executed. The area is closed when a A token, not followed by : is encountered.

Eg. %{A:reboot:} Click here to reboot %{A}

The button field is optional, it defaults to the left button, and it's a number ranging from 1 to 5 which maps to the left, middle, right, scroll up and scroll down movements. Your mileage may vary.

Nested clickable areas can trigger different commands.

Eg. %{A:reboot:}%{A3:halt:} Left click to reboot, right click to shutdown %{A}%{A}

Sdir

Change the monitor the bar is rendered to. dir can be either

+/-

Next/previous monitor.

f/l

First/last monitor.

0-9

Nth monitor.

Attribute modifiers

+attribute

Set the attribute attribute for the following text.

-attribute

Unset the attribute attribute for the following text.

!attribute

Toggle the attribute attribute for the following text.

Where attribute is one of the following

o

Draw a line over the text.

u

Draw a line under the text.

OUTPUT

Clicking on an area makes lemonbar output the command to stdout, followed by a newline, allowing the user to pipe it into a script, execute it or simply ignore it. Simple and powerful, that's it.

WWW

git repository

AUTHOR

2012-2015 (C) The Lemon Man

Xinerama support was kindly contributed by Stebalien

RandR support was kindly contributed by jvvv

Clickable areas support was heavily based off u-ra contribution