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k3os/utilities/noVNC Paste for Proxmox-0.2a.user.js

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+// ==UserScript==
+// @name         noVNC Paste for Proxmox
+// @namespace    http://tampermonkey.net/
+// @version      0.2a
+// @description  Pastes text into a noVNC window (for use with Proxmox specifically)
+// @author       Chester Enright
+// @match        https://*
+// @include      /^.*novnc.*/
+// @require http://code.jquery.com/jquery-3.3.1.min.js
+// @grant        none
+// ==/UserScript==
+const delay = 1
+;
+(function () {
+    'use strict';
+
+    let capsLockOn = false;
+    const KEY_DELAY = 50;
+    const SHIFT_NEEDED = /[A-Z!@#$%^&*()_+{}:"<>?~|]/;
+
+    function simulateKeyEvent(el, eventType, key, options = {}) {
+        const evt = new KeyboardEvent(eventType, { key, ...options });
+        el.dispatchEvent(evt);
+    }
+
+    window.sendString = function(text) {
+        const el = document.getElementById("novnc-canvas");
+        if (!el) {
+            console.error("Canvas element not found");
+            return;
+        }
+
+        text.split('').forEach((char, index) => {
+            setTimeout(() => {
+                if (char === '\n') {
+                    // Simulate "Enter" key press for line breaks
+                    simulateKeyEvent(el, "keydown", "Enter");
+                    simulateKeyEvent(el, "keyup", "Enter");
+                } else {
+                    const needsShift = SHIFT_NEEDED.test(char);
+                    const isUpperCase = char >= 'A' && char <= 'Z';
+
+                    if (needsShift) {
+                        simulateKeyEvent(el, "keydown", "Shift", { keyCode: 16 });
+                    }
+
+                    if (isUpperCase && capsLockOn) {
+                        simulateKeyEvent(el, "keydown", char.toLowerCase());
+                        simulateKeyEvent(el, "keyup", char.toLowerCase());
+                    } else {
+                        simulateKeyEvent(el, "keydown", char);
+                        simulateKeyEvent(el, "keyup", char);
+                    }
+
+                    if (needsShift) {
+                        simulateKeyEvent(el, "keyup", "Shift", { keyCode: 16 });
+                    }
+
+                    if (char === "CapsLock") {
+                        capsLockOn = !capsLockOn;
+                        console.log("Caps Lock state changed:", capsLockOn);
+                    }
+                }
+            }, index * KEY_DELAY);
+        });
+    };
+
+    function waitForCanvas() {
+        return new Promise((resolve) => {
+            const checkCanvas = () => {
+                const canvas = $("canvas");
+                if (canvas.length > 0) {
+                    canvas.attr("id", "novnc-canvas");
+                    resolve(canvas);
+                } else {
+                    setTimeout(checkCanvas, 500);
+                }
+            };
+            checkCanvas();
+        });
+    }
+
+    async function setupNoVNCPaste() {
+        try {
+            console.log("Starting up noVNC Copy/Paste (for Proxmox) - Improved Version with Line Breaks");
+
+            const canvas = await waitForCanvas();
+
+            canvas.on("mousedown", (e) => {
+                if (e.button == 2) { // Right Click
+                    navigator.clipboard.readText()
+                        .then(text => {
+                            window.sendString(text);
+                        })
+                        .catch(err => {
+                            console.error("Failed to read clipboard:", err);
+                        });
+                }
+            });
+
+            console.log("noVNC Copy/Paste setup completed");
+        } catch (error) {
+            console.error("Error setting up noVNC Copy/Paste:", error);
+        }
+    }
+
+    $(document).ready(setupNoVNCPaste);
+})();