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Man Pages


Manual Reference Pages  -  LEMONBAR (1)

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NAME

lemonbar - Featherweight lemon-scented bar

CONTENTS

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 Comma separated list of fonts, lemonbar supports a maximum of five fonts (the limit can be tweaked by changing the MAX_FONT_COUNT parameter in the source).
-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 is a 1-based index of the font list supplied to bar. Any other value (for example -) resets the bar to normal behaviour (matching the first font that can be used for that character). If the selected font can’t be used to draw a character, lemonbar will fall back to normal behaviour 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 <https://github.com/LemonBoy/bar>

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

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lemonbar 1.1 LEMONBAR (1) 2015-03-15

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