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### [[滑鼠]羅技木星軌跡球 如何在macbook自訂鍵 ](https://www.ptt.cc/bbs/Key_Mou_Pad/M.1582204955.A.BA8.html)

#### [Hammerspoon](https://www.hammerspoon.org/)

#### [相關設定調整](https://github.com/tekezo/Karabiner/issues/814)

```lua
-- HANDLE SCROLLING
local oldmousepos = {}
local scrollmult = -4	-- negative multiplier makes mouse work like traditional scrollwheel

mousetap = hs.eventtap.new({5}, function(e)
	oldmousepos = hs.mouse.getAbsolutePosition()
	local mods = hs.eventtap.checkKeyboardModifiers()
	if mods['ctrl'] and mods['cmd'] then
		-- print ("will scroll")
		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')
		scroll:post()
		
		-- put the mouse back
		hs.mouse.setAbsolutePosition(oldmousepos)
		
		-- return true, {scroll}
		return true
	else
		return false, {}
	end
	-- print ("Mouse moved!")
	-- print (dx)
	-- print (dy)
end)
mousetap:start()
```

```lua
-- HANDLE SCROLLING
local oldmousepos = {}
-- positive multiplier (== natural scrolling) makes mouse work like traditional scrollwheel
local scrollmult = 4

-- The were all events logged, when using `{"all"}`
mousetap = hs.eventtap.new({0,3,5,14,25,26,27}, function(e)
	oldmousepos = hs.mouse.getAbsolutePosition()
	local mods = hs.eventtap.checkKeyboardModifiers()
    local pressedMouseButton = e:getProperty(hs.eventtap.event.properties['mouseEventButtonNumber'])

-- If OSX button 4 is pressed, allow scrolling
    local shouldScroll = 3 == pressedMouseButton
    if shouldScroll then
		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')
		scroll:post()
		
		-- put the mouse back
		hs.mouse.setAbsolutePosition(oldmousepos)
		
		return true, {scroll}
	else
		return false, {}
	end
	-- print ("Mouse moved!")
	-- print (dx)
	-- print (dy)
end)
mousetap:start()

-- 檔案更新時自動重新載入 Hammerspoon 設定檔
function reloadConfig(files)
	for _,file in pairs(files) do
		if file:sub(-4) == ".lua" then
			hs.reload() -- 重新載入 Hammerspoon 設定檔
			return;
		end
	end
end
hammerWatcher = hs.pathwatcher.new(os.getenv("HOME") .. "/.hammerspoon/", reloadConfig):start()
hs.alert.show("Config loaded")
print("Config loaded")

-- 定義一個 function 來調整預設輸出裝置的音量
local function adjustVolume(delta)
	return function()
		-- 取得目前預設輸出裝置的音量
		local currVolume = hs.audiodevice.defaultOutputDevice():outputVolume()
		hs.audiodevice.defaultOutputDevice():setOutputVolume(currVolume + delta)
	end
end
-- 將 rightctrl + ] 設定為音量增加 5
-- 將 rightctrl + [ 設定為音量減少 5
hs.hotkey.bind({"ctrl"}, "]", adjustVolume(5))
hs.hotkey.bind({"ctrl"}, "[", adjustVolume(-5))

```

### [Mac 上如何使用Emoji 表情符號](https://mrmad.com.tw/mac-emoji-shortcut)
在任何能夠輸入的頁面中，透過 「Control＋Command⌘＋空白鍵」三個按鍵快捷鍵。

### [iTerm2 於 irc 使用 Option (alt) 切換視窗的設定](https://blog.longwin.com.tw/2015/01/mac-iterm2-irc-option-alt-esc-2014/)

1. 開啟 iTerm2
1. Preferences -> Profiles -> Keys
1. 最下方的 Left option 從 "Normal" 改成 "+Esc"
1. 關掉視窗就可以直接使用了~

### [Mac 快捷鍵](https://is.gd/UUBVfW)

### [How do I start the docker daemon on macOS?](https://apple.stackexchange.com/questions/373888/how-do-i-start-the-docker-daemon-on-macos)
```
open -a Docker
```
or
```
brew install colima

colima start
# create VM with 1CPU, 2GiB memory and 10GiB storage
colima start --cpu 1 --memory 2 --disk 10
# modify an existing VM to 4CPUs and 8GiB memory.
colima start --cpu 4 --memory 8

docker ps -a
```

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