Initial commit: hypr-rdp Control bar widget

Toggles the hypr-rdp systemd --user service, isolates its headless
monitor's workspace via Omarchy's toggle-flag convention, shows what's
running on that workspace, and manages hypr-rdp's connection credentials.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MLfSWFEMyY85ZDWEYicdaF

Model.js

@@ -0,0 +1,124 @@
+// Pure helpers for the hypr-rdp plugin: TOML-ish config patching and
+// hyprctl JSON parsing. No QML/Quickshell APIs here so this stays testable
+// with plain node/qjs.
+
+function escapeTomlString(value) {
+  return String(value === undefined || value === null ? "" : value)
+    .replace(/\\/g, "\\\\")
+    .replace(/"/g, "\\\"")
+}
+
+function unescapeTomlString(value) {
+  return String(value || "")
+    .replace(/\\"/g, "\"")
+    .replace(/\\\\/g, "\\")
+}
+
+// Reads only the keys we ever show/edit (bind, username, password) from a
+// hypr-rdp config.toml. Everything else in the file is left completely
+// alone by serializeConfig below, comments included.
+function parseConfig(text) {
+  var result = { bind: "", username: "", password: "" }
+  var lines = String(text || "").split("\n")
+  var re = /^\s*(bind|username|password)\s*=\s*"((?:[^"\\]|\\.)*)"\s*$/
+  for (var i = 0; i < lines.length; i++) {
+    var m = lines[i].match(re)
+    if (m) result[m[1]] = unescapeTomlString(m[2])
+  }
+  return result
+}
+
+// Line-level patch: replaces an existing `key = "..."` line in place,
+// appends a new one if the key was never set, and never touches any other
+// line (comments, capture_mode, bitrate, etc. survive untouched).
+function serializeConfig(originalText, patch) {
+  var lines = String(originalText || "").split("\n")
+  var keys = ["bind", "username", "password"]
+  var seen = {}
+
+  for (var i = 0; i < lines.length; i++) {
+    for (var k = 0; k < keys.length; k++) {
+      var key = keys[k]
+      if (patch[key] === undefined) continue
+      var re = new RegExp("^\\s*" + key + "\\s*=")
+      if (re.test(lines[i])) {
+        lines[i] = key + " = \"" + escapeTomlString(patch[key]) + "\""
+        seen[key] = true
+      }
+    }
+  }
+
+  var toAppend = []
+  for (var k2 = 0; k2 < keys.length; k2++) {
+    var key2 = keys[k2]
+    if (patch[key2] !== undefined && !seen[key2]) {
+      toAppend.push(key2 + " = \"" + escapeTomlString(patch[key2]) + "\"")
+    }
+  }
+
+  var out = lines.join("\n")
+  if (toAppend.length > 0) {
+    if (out.length > 0 && out.charAt(out.length - 1) !== "\n") out += "\n"
+    out += toAppend.join("\n") + "\n"
+  }
+  return out
+}
+
+// Content for the toggle flag file under
+// ~/.local/state/omarchy/toggles/hypr/. Its mere presence pins the
+// hypr-rdp headless output's workspace so Hyprland's normal
+// auto-assignment never reuses it; deleting the file removes the pin.
+function isolationLuaContent(workspaceId, outputName) {
+  return "-- Managed by the jandieman.hypr-rdp bar widget's isolation\n" +
+    "-- toggle. Do not hand-edit -- this file is overwritten or removed\n" +
+    "-- automatically when the toggle is flipped.\n" +
+    "--\n" +
+    "-- Keeps the hypr-rdp headless monitor's workspace from being reused\n" +
+    "-- by normal window/workspace auto-assignment, so it never silently\n" +
+    "-- steals one of your visible workspaces while RDP is active.\n" +
+    "hl.workspace_rule({ workspace = \"" + workspaceId + "\", monitor = \"" +
+    outputName + "\", default = true, persistent = true })\n"
+}
+
+function parseClients(raw, workspaceId) {
+  var clients
+  try {
+    clients = raw ? JSON.parse(String(raw)) : []
+  } catch (e) {
+    clients = []
+  }
+  if (!Array.isArray(clients)) return []
+
+  var result = []
+  for (var i = 0; i < clients.length; i++) {
+    var c = clients[i]
+    if (c && c.workspace && c.workspace.id === workspaceId) {
+      result.push({
+        title: String(c.title || c.initialTitle || "Untitled"),
+        cls: String(c["class"] || c.initialClass || "")
+      })
+    }
+  }
+  return result
+}
+
+function parseActiveWorkspaceId(raw) {
+  try {
+    var obj = JSON.parse(String(raw || ""))
+    return typeof obj.id === "number" ? obj.id : -1
+  } catch (e) {
+    return -1
+  }
+}
+
+if (typeof module !== "undefined") {
+  module.exports = {
+    escapeTomlString: escapeTomlString,
+    unescapeTomlString: unescapeTomlString,
+    parseConfig: parseConfig,
+    serializeConfig: serializeConfig,
+    isolationLuaContent: isolationLuaContent,
+    parseClients: parseClients,
+    parseActiveWorkspaceId: parseActiveWorkspaceId
+  }
+}