SelectAndGo

Search with selected text by pressing s(Google), t(Translate) or o(Oxford) within 2 seconds.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         SelectAndGo
// @namespace    com.gmail.fujifruity.greasemonkey
// @version      1.3
// @description  Search with selected text by pressing s(Google), t(Translate) or o(Oxford) within 2 seconds.
// @author       fujifruity
// @match        *://*/*
// @grant        GM.openInTab
// @license      MIT
// ==/UserScript==

{
    const timeoutMs = 2000

    const shortcuts = selection => ({
        s: () => GM.openInTab("https://www.google.com/search?q=" + selection, false),
        t: () => GM.openInTab("https://translate.google.com/#en/ja/" + selection, false),
        i: () => GM.openInTab("https://www.google.com/search?tbm=isch&q=" + selection, false),
        m: () => GM.openInTab("https://www.google.com/maps/search/" + selection, false),
        o: () => {
            const url = "https://www.oxfordlearnersdictionaries.com/search/english/?q="
            // the website requires hyphen-separated words
            const query = selection.replace(/\s+/g, '-')
            GM.openInTab(url + query, false)
        },
        c: () => alert(selection.length + ' characters') // count chars
    })

    const onKeydown = event => {
        if (["INPUT", "TEXTAREA"].includes(event.target.tagName)) return
        if (event.ctrlKey || event.altKey) return
        const selection = window.getSelection().toString()
        shortcuts(selection)[event.key]()
    }

    const unsetShortcut = () => window.removeEventListener('keydown', onKeydown)

    window.addEventListener('selectstart', () => {
        window.addEventListener('keydown', onKeydown)
        // unset shortcuts in seconds.
        window.onmouseup = () => {
            setTimeout(unsetShortcut, timeoutMs)
            window.onmouseup = null
        }
        // unset shortcuts when selection is triggerd by ctrl+a
        window.onkeyup = () => {
            setTimeout(unsetShortcut, timeoutMs)
            window.onkeyup = null
        }
    })

}