New feature: API for click events (implement Clicker interface)

Finally, a configurable, lightweight and easily extensible replacement for i3status.

Why use this over several other alternatives?

• Speed. This performs better than its' cousins written in interpreted languages (python, php, etc)
• Fine-grained concurrency. You can assign individual timings to all plugins, allowing you to make expensive calls less frequently (think making a network call to retrieve the weather, vs. updating the time).
• Simple configuration. goi3bar is driven by JSON configuration, allowing you to easily customise your i3bar. Have you ever tried to use conky?
• Simple Extensibility. Writing new plugins is much simpler than writing new functionality for a C-based project like conky. There are simple interfaces that let you build your own plugins, and handle JSON configuration. Look in the godoc for Producer, Genreator and Builder.

Talk is cheap! This powers my own i3bar:

Dependency: iwconfig for WLAN info. Should be available in $PATH

Either generate a binary with go build, or run go install in the root dir and add $GOPATH/bin to your $PATH, then run the goi3bar binary with your config file path:

goi3bar --config-path $HOME/.i3/config.json

Set this as the status_command field in ~/.i3/config.

NB: Input through stdin is no longer supported following the introduction of click event support, due to needing stdin to listen for events

A configuration file is represented with JSON, consisting of refresh interval and zero or more entries

Each entry has a "package" referring to the plugin it uses, a "name" (anything, but must be unique) and an "options" struct, which will be dependent on the package you are using.

A set of packages come pre-included in the default "goi3bar" binary

This is a very simple config file, there is a sample configuration file in cmd/goi3bar/config.json, which contains configuration for all plugins and all their options.

{
    "colors": {
        "color_crit": "#FF0000",
        "color_warn": "#FFA500",
        "color_ok": "#00FF00",
        "color_general": "#FFFFFF"
    },
    "interval": "5s",
    "entries": [
        {
            "package": "memory",
            "name": "memory",
            "options": {
                "interval": "10s",
                "warn_threshold": 75,
                "crit_threshold": 85
            }
        }
    ]

Currently have:

• Support (but no action) for click events
• Configuration via JSON
• Formattable clock
• Memory usage (with configurable color thresholds)
• CPU load averages (with configurable color thresholds)
• Battery values (with automagic discovery and configurable thresholds)
• Network info with funky applet which only shows most preferred connected network
• Disk read/write rates
• Disk usage

Want to have:

• Unit testing!
• More configurability for memory, battery moinitors (e.g., formattable)
• Respecting start/stop signals received from i3bar
• Support for more batteries(?) This was written for a ThinkPad x240 because that's what I have. Pull requests welcome if some battery functionality does not work on your machine.