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The i3-gaps project has been merged with i3. All i3-gaps features will become available with i3 4.22 (not released yet at the time of writing this).

Package maintainers are asked to replace any i3-gaps packages with the i3 package once i3 4.22 has been released. This repository will be archived and no longer be kept up to date.

i3-gaps is a fork ofi3wm, a tiling window manager for X11. It is kept up to date with upstream, adding a few additional features such as gaps between windows (see below for a complete list).

Please refer to thewiki.

For bug reports or feature requests regarding i3-gaps specifically, open an issue onGitHub. If your issue is with core i3 functionality, please report itupstream.

For support & all other kinds of questions, you can ask your question onGitHub Discussions.

Note: In order to use gaps you need to disable window titlebars. This can be done by adding the following line to your config.

# You can also use any non-zero value if you'd like to have a borderdefault_border pixel 0

Gaps are the namesake feature of i3-gaps and add spacing between windows/containers. Gaps come in two flavors, inner and outer gaps wherein inner gaps are those between two adjacent containers (or a container and an edge) and outer gaps are an additional spacing along the screen edges. Gaps can be configured in your config either globally or per workspace, and can additionally be changed during runtime using commands (e.g., throughi3-msg).

Note: Outer gaps are added to the inner gaps, i.e., the gaps between a screen edge and a container will be the sum of outer and inner gaps.

You can define gaps either globally or per workspace using the following syntax. Note that the gaps configurations should be ordered from least specific to most specific as some directives can overwrite others.

gaps [inner|outer|horizontal|vertical|top|left|bottom|right] <px>workspace <ws> gaps [inner|outer|horizontal|vertical|top|left|bottom|right] <px>

Theinner andouter keywords are as explained above. Withtop,left,bottom andright you can specify outer gaps on specific sides, andhorizontal andvertical are shortcuts for the respective sides.<px> stands for a numeric value in pixels and<ws> for either a workspace number or a workspace name.

Gaps can be modified at runtime with the following command syntax:

gaps inner|outer|horizontal|vertical|top|right|bottom|left current|all set|plus|minus|toggle <px># Examplesgaps inner all set 20gaps outer current plus 5gaps horizontal current plus 40gaps outer current toggle 60

Withcurrent orall you can change gaps either for only the currently focused or all currently existing workspaces (note that this does not affect the global configuration itself).

You can find an example configuration in thewiki.

Gaps can be automatically turned on/off on a workspace in certain scenarios using the following config directives:

# Only enable gaps on a workspace when there is at least one containersmart_gaps on# Only enable outer gaps when there is exactly one containersmart_gaps inverse_outer

Smart borders will draw borders on windows only if there is more than one window in a workspace. This feature can also be enabled only if the gap size between window and screen edge is0.

# Activate smart borders (always)smart_borders on# Activate smart borders (only when there are effectively no gaps)smart_borders no_gaps

This extends i3'shide_edge_borders with a new option. When set, edge-specific borders of a container will be hidden if it's the only container on the workspace and the gaps to the screen edge is0.

# Hide edge borders only if there is one window with no gapshide_edge_borders smart_no_gaps

The height of an i3bar instance can be specified explicitly by defining theheight key in the bar configuration. If not set, the height will be calculated automatically depending on the font size.

bar {    # Height in pixels    height 25}