adding docs

Author: TrashboxBobylev

clipboard.js

@@ -0,0 +1,61 @@
+/**
+
+The code below is based on the Doxygen Awesome project, see
+https://github.com/jothepro/doxygen-awesome-css
+
+MIT License
+
+Copyright (c) 2021 - 2022 jothepro
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+*/
+
+let clipboard_title = "Copy to clipboard"
+let clipboard_icon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="#888" d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>`
+let clipboard_successIcon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z"/></svg>`
+let clipboard_successDuration = 1000
+
+$(function() {
+  if(navigator.clipboard) {
+    const fragments = document.getElementsByClassName("fragment")
+    for(const fragment of fragments) {
+      const clipboard_div = document.createElement("div")
+      clipboard_div.classList.add("clipboard")
+      clipboard_div.innerHTML = clipboard_icon
+      clipboard_div.title = clipboard_title
+      $(clipboard_div).click(function() {
+        const content = this.parentNode.cloneNode(true)
+        // filter out line number and folded fragments from file listings
+        content.querySelectorAll(".lineno, .ttc, .foldclosed").forEach((node) => { node.remove() })
+        let text = content.textContent
+        // remove trailing newlines and trailing spaces from empty lines
+        text = text.replace(/^\s*\n/gm,'\n').replace(/\n*$/,'')
+        navigator.clipboard.writeText(text);
+        this.classList.add("success")
+        this.innerHTML = clipboard_successIcon
+        window.setTimeout(() => { // switch back to normal icon after timeout
+            this.classList.remove("success")
+            this.innerHTML = clipboard_icon
+        }, clipboard_successDuration);
+      })
+      fragment.insertBefore(clipboard_div, fragment.firstChild)
+    }
+  }
+})