hammerspoon

icon = hs.menubar.new()
-- icon2 = hs.menubar.new()

icon:setMenu({
	{ title = hs.battery.capacity().." mAh"},
})

icon:setTitle(hs.battery.amperage().." mAh")
function mAhUpdate()
	icon:setTitle(hs.battery.amperage().." mAh")
end
hs.timer.doEvery(30, mAhUpdate)

function mouseMove()
	hs.window.focusedWindow():setTopLeft(hs.geometry.copy(winpos):move(hs.geometry(hs.mouse.getAbsolutePosition()):move(smpos)))
end

moveTimer = hs.timer.new(0.02, mouseMove)
hs.hotkey.bind('alt', 'a', function ()
	smpos = hs.geometry(hs.mouse.getAbsolutePosition()):scale(-1)
	winpos = hs.window.focusedWindow():topLeft()
	moveTimer:start()
end, function()
	moveTimer:stop()
end)

function mouseSize()
	dx = hs.mouse.getAbsolutePosition().x - sx
	dy = hs.mouse.getAbsolutePosition().y - sy
	hs.window.focusedWindow():setSize(hs.geometry({w=sw+dx,h=sh+dy}))
	--hs.window.focusedWindow():setTopLeft(hs.geometry.copy(winofs):move({-dx/2,-dy/2}))
end

sizeTimer = hs.timer.new(0.02, mouseSize)
hs.hotkey.bind('alt', 's', function ()
	--winofs = hs.window.focusedWindow():topLeft()
	sx = hs.mouse.getAbsolutePosition().x
	sy = hs.mouse.getAbsolutePosition().y
	sw = hs.window.focusedWindow():size().w
	sh = hs.window.focusedWindow():size().h
	sizeTimer:start()
end, function()
	sizeTimer:stop()
end)

hs.hotkey.bind({'alt', 'shift'}, 'k', function ()
	local screen = hs.screen.mainScreen()
	local window = hs.window.focusedWindow()
	window:setTopLeft(screen:localToAbsolute({0,0}))
	window:setSize(screen:frame())
end)

hs.hotkey.bind({'alt', 'shift'}, 'l', function ()
	local screen = hs.screen.mainScreen()
	local window = hs.window.focusedWindow()
	local frame = screen:frame()
  local log = hs.logger.new('LOGGER', 'debug') 
	log.i(frame.w)
	window:setTopLeft(screen:localToAbsolute({frame.w / 2, 0}))
	window:setSize(hs.geometry.size(frame.w / 2, frame.h))
end)

hs.hotkey.bind({'alt', 'shift'}, 'h', function ()
	local screen = hs.screen.mainScreen()
	local window = hs.window.focusedWindow()
	local frame = screen:frame()
  local log = hs.logger.new('LOGGER', 'debug') 
	log.i(frame.w)
	window:setTopLeft(screen:localToAbsolute({0, 0}))
	window:setSize(hs.geometry.size(frame.w / 2, frame.h))
end)

-- https://superuser.com/questions/303424/can-i-enable-scrolling-with-middle-button-drag-in-os-x
-- HANDLE SCROLLING WITH MOUSE BUTTON PRESSED
local scrollMouseButton = 2
local deferred = false

overrideOtherMouseDown = hs.eventtap.new({ hs.eventtap.event.types.otherMouseDown }, function(e)
    -- print("down")
    local pressedMouseButton = e:getProperty(hs.eventtap.event.properties['mouseEventButtonNumber'])
    if scrollMouseButton == pressedMouseButton 
        then 
            deferred = true
            return true
        end
end)

overrideOtherMouseUp = hs.eventtap.new({ hs.eventtap.event.types.otherMouseUp }, function(e)
    -- print("up")
    local pressedMouseButton = e:getProperty(hs.eventtap.event.properties['mouseEventButtonNumber'])
    if scrollMouseButton == pressedMouseButton 
        then 
            if (deferred) then
                overrideOtherMouseDown:stop()
                overrideOtherMouseUp:stop()
                hs.eventtap.otherClick(e:location(), pressedMouseButton)
                overrideOtherMouseDown:start()
                overrideOtherMouseUp:start()
                return true
            end
            return false
        end
        return false
end)

local oldmousepos = {}
local scrollmult = 2  -- negative multiplier makes mouse work like traditional scrollwheel
local mouseDownPos

dragOtherToScroll = hs.eventtap.new({ hs.eventtap.event.types.otherMouseDragged }, function(e)
    local pressedMouseButton = e:getProperty(hs.eventtap.event.properties['mouseEventButtonNumber'])
    -- print ("pressed mouse " .. pressedMouseButton)
    if scrollMouseButton == pressedMouseButton 
        then 
            -- print("scroll");
            deferred = false
            -- oldmousepos = hs.mouse.getAbsolutePosition()    
            local dx = e:getProperty(hs.eventtap.event.properties['mouseEventDeltaX'])
            local dy = e:getProperty(hs.eventtap.event.properties['mouseEventDeltaY'])
            local scroll = hs.eventtap.event.newScrollEvent({-dx * scrollmult, -dy * scrollmult},{},'pixel')
            -- put the mouse back
            -- hs.mouse.setAbsolutePosition(oldmousepos)
            return true, {scroll}
        else 
            return false, {}
        end 
end)

overrideOtherMouseDown:start()
overrideOtherMouseUp:start()
dragOtherToScroll:start()