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README.md

bindmap

About

A binding visualizer for the i3/sway window manager. It shows the command bindings for each key of the keyboard.

Bindmap interface

Version 2.0 is a breaking change. The binding list should now be passed through stdin instead of passing a command through -c. See the Initial Setup below for the new instructions.

Installation

ArchLinux

Just download and install the AUR package: https://aur.archlinux.org/packages/bindmap-git/

Manually

After downloading the folder, simply go inside of it and run:

make
sudo make install

Initial Setup

There are 2 manual steps needed for bindmap to work. If you skip them, bindmap won't work:

  1. The first thing you need is to provide a keymap file, which defines the layout of the keys in your keyboard. This file can be passed through the -k parameter or by copying it to ~/.config/bindmap/keymap. A sample keymap file is provided in example/keymap. For more information on how to create your keymap file see Keymap file below.

  2. The other thing that is needed is to pipe the binding list through bindmap's input. On i3, the following worked for me:

    i3-msg -t get_config | sed -n 's/^bindsym .*\$mod+//p' | bindmap
    

    ``

    And on sway:

    swaymsg -t get_config | jq -r .config | sed -n 's/^bindsym .*\$mod+//p' | bindmap
    

    If you have any problems with this, see Binding list below for more details.

Usage

At this point you should be all set and be greeted with bindmap's screen showing all keys in your keyboard in the upper region and a pager with your bindings in the lower region.

Each key on the keyboard is drawn as follows:

---------
|AAA NNN|
|       |
|SSS CCC|
---------

Where AAA is the name of the key, NNN the number of the normal binding, SSS the number of the shift binding and CCC the number of the control binding. These numbers correspond to the numbers on the binding list.

Each key will be drawn with a color based on which bindings are set for it.

The binding list pager shows two columns of bindings, each one containing the number of the binding and the command corresponding to it.

Pager bindings

The binding list pager can be scrolled up or down by one binding using the Up or Down arrow keys, respectively (or k and j). The Left and Right keys scroll the pager up or down by half a page, respectively (or h and l). g goes to the first entry and G, to the last. Pressing : opens the prompt where a number with at most three digits can be written. After pressing Enter, the pager will jump to the binding with that number, and it will be highlighted in both the pager and the keyboard. Pressing any digit will automatically open the prompt with that digit as the first one. Use q or ESC to exit.

Parameters

All parameters are optional. Not passing them causes bindmap to use the default values.

-k, --keymap filename: Use filename as keymap file. By default, bindmap searches for a bindmap in $XDG_CONFIG_HOME/bindmap/keymap and ~/.config/bindmap/keymap.

-w, --keyw width: set the horizontal spacing between fields inside a key. The value can be between 0 and 3. The default is 1.

-i, --keyh height: set the vertical spacing between fields inside a key. The value can be between 0 and 3. The default is 1.

-o, --colors nnnnnnnn: set the color to use for each binding combination. Each digit can be between 0 and 7, corresponding to colors black, red, green, yellow, blue, magenta, cyan and white, respectively. Each of the digits correspond to the color used when the following bindings are present, from left to right: no binding, normal, shift, normal and shift, control, control and normal, control and shift, control and shift and normal.

-h, --help: display the help message and exit

Keymap file

The keymap file is responsible for informing bindmap the layout of the keyboard.

Each line consists of the name of the key (to be drawn on the keyboard), which can be at most 3 characters long. An optional alternative name can be given to the key by adding, after the key name, a space and the alternative name, that is, NAM alt_name. This is useful mainly for symbols, which have a different name in i3/sway's config. For example:

- minus

This key will be drawn as a - inside bindmap, but will have the bindings containing minus in the config.

An empty line indicates a new keyboard row. If the name of the key is ---, then it is drawn as an empty key. Useful for spacing.

Binding list

The binding list contains each of the bindings to be assigned to each key from the keymap file.

Each line consists of the binding, which is a key symbol optionally prepended with a '+' and a modifier (Shift or Control), followed by a space and then by the command associated with the binding. Example:

f fullscreen toggle
Shift+f floating toggle
Control+f focus mode_toggle
s layout stacking
w layout tabbed
e layout toggle split
F1 exec firefox

Note that the $mod+ is implicit

To allow maximum flexibility, the binding list is read from the standard input of the program, that is, it should be piped into bindmap.

Since each binding list line is basically a bindsym line from i3/sway config, it is very easy to write a command chain on the shell to read the config, parse it into the appropriate format and pipe it into bindmap, like the suggested commands for i3 and sway in the Initial Setup section showed.

Author

Nícolas F. R. A. Prado (nfraprado)