hammerspoon

init.lua

-----------------------------------------------
-- Set up
-----------------------------------------------

local hyper = {"shift", "cmd", "alt", "ctrl"}

-- dofile("anycomplete/anycomplete.lua")
dofile("/Users/larrybolt/.dotfiles/hammerspoon/anycomplete/anycomplete.lua")

-----------------------------------------------
-- Keyboard layout
-- physical be, software us qwerty:
--  § 1 2 3 4 5 6 7 8 9 0 - =  [ bsp ]
-- tab q w e r t y u i o p [ ]  | ret|
-- caps  a s d f g h j k l ; ' \ |___|
-- sh   ` z x c v b n m , . / [ shift]
-- fn ct alt cmd [space] cmd alt arrow
-----------------------------------------------
-- Hyper = shift + cmd + alt + ctrl = tab
--       (tab works as tab when not combined,
--        as hyper when modifier)
--
-- Hyper+q left
-- Hyper+w full
-- Hyper+e right
-- Hyper+r show hints
--
-- Hyper+[] move current app to previous/next screen
--
-- Hyper+; show Hammerspoon console
--
--
-- Hyper+hjkl for vim-alike focus switching
--
-----------------------------------------------

-- App shortcuts
local key2App = {
    b = 'Emacs',
    -- v = 'MacVim',
    v = 'Visual Studio Code',
    n = 'Google Chrome',
    i = 'IntelliJ IDEA',
    f = 'Franz',
    t = 'iTerm'
}
for key, app in pairs(key2App) do
    hs.hotkey.bind(hyper, key, function() hs.application.launchOrFocus(app) end)
end

-- Settings
hs.window.animationDuration = 0

-- Hyper+qwe for left,full,right
hs.hotkey.bind(hyper, "q", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x
    f.y = max.y
    f.w = max.w / 2
    f.h = max.h
    win:setFrame(f)
end)
hs.hotkey.bind(hyper, "e", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + (max.w / 2)
    f.y = max.y
    f.w = max.w / 2
    f.h = max.h
    win:setFrame(f)
end)
hs.hotkey.bind(hyper, "w", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x
    f.y = max.y
    f.w = max.w
    f.h = max.h
    win:setFrame(f)
end)

-- Hyper+[] for screen switching
hs.hotkey.bind(hyper, "[", function()
    local win = hs.window.focusedWindow()
    local newscreen = win:screen():next()
    win:moveToScreen(newscreen)
end)
hs.hotkey.bind(hyper, "]", function()
    local win = hs.window.focusedWindow()
    local newscreen = win:screen():previous()
    win:moveToScreen(newscreen)
end)

-- Hyper r for hints
hs.hotkey.bind(hyper, "r", function()
    hs.hints.windowHints()
end)

-- Reload config on write
function reloadConfig(files)
    doReload = false
    for _,file in pairs(files) do
        if file:sub(-4) == ".lua" then
            doReload = true
        end
    end
    if doReload then
        hs.reload()
    end
end
hs.pathwatcher.new(os.getenv("HOME") .. "/.hammerspoon/", reloadConfig):start()
hs.alert.show("Config loaded")

-- console
hs.hotkey.bind(hyper, ';', hs.openConsole)

-- Bring all Finder windows forward when one gets activated
function applicationWatcher(appName, eventType, appObject)
    if (eventType == hs.application.watcher.activated) then
        if (appName == "Finder") then
            -- Bring all Finder windows forward when one gets activated
            appObject:selectMenuItem({"Window", "Bring All to Front"})
        end
    end
end
local appWatcher = hs.application.watcher.new(applicationWatcher)
appWatcher:start()

-- Hyper hjkl to switch window focus
hs.hotkey.bind(hyper, 'h', function()
    hs.window.focusedWindow():focusWindowWest()
end)
hs.hotkey.bind(hyper, 'j', function()
    hs.window.focusedWindow():focusWindowSouth()
end)
hs.hotkey.bind(hyper, 'k', function()
    hs.window.focusedWindow():focusWindowNorth()
end)
hs.hotkey.bind(hyper, 'l', function()
    hs.window.focusedWindow():focusWindowEast()
end)

-- Bluetooth on when I connect my keyboard
local usbWatcher = nil
function usbDeviceCallback(data)
    if (data["productName"] == "QuickFire Rapid keyboard") then
        if (data["eventType"] == "added") then
            os.execute("/usr/local/bin/blueutil power 1")
        elseif (data["eventType"] == "removed") then
            os.execute("/usr/local/bin/blueutil power 0")
        end
    else
        hs.alert.show(data["eventType"] .. " usb " .. data["productName"])
    end
end
usbWatcher = hs.usb.watcher.new(usbDeviceCallback)
usbWatcher:start()

-- WiFi
local home = {["Mikrotik"] = TRUE, ["Mikrotik_outside"] = TRUE}
local lastSSID = hs.wifi.currentNetwork()
function ssidChangedCallback()
    newSSID = hs.wifi.currentNetwork()
    if home[newSSID] and not home[lastSSID] then
        -- We just joined our home WiFi network
        hs.alert.show("Welcome home")
        hs.audiodevice.defaultOutputDevice():setVolume(25)
    elseif not home[newSSID] and home[lastSSID] then
        -- We just departed our home WiFi network
        hs.audiodevice.defaultOutputDevice():setVolume(0)
    end

    lastSSID = newSSID
end

local wifiWatcher = hs.wifi.watcher.new(ssidChangedCallback)
-- wifiWatcher:start()