init: working version

services/Bluetooth.qml

@@ -0,0 +1,104 @@
+pragma Singleton
+
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+    id: root
+
+    property bool powered
+    property bool discovering
+    readonly property list<Device> devices: []
+
+    Process {
+        running: true
+        command: ["bluetoothctl"]
+        stdout: SplitParser {
+            onRead: {
+                getInfo.running = true;
+                getDevices.running = true;
+            }
+        }
+    }
+
+    Process {
+        id: getInfo
+
+        running: true
+        command: ["bluetoothctl", "show"]
+        environment: ({
+                LANG: "C",
+                LC_ALL: "C"
+            })
+        stdout: StdioCollector {
+            onStreamFinished: {
+                root.powered = text.includes("Powered: yes");
+                root.discovering = text.includes("Discovering: yes");
+            }
+        }
+    }
+
+    Process {
+        id: getDevices
+
+        running: true
+        command: ["fish", "-c", `
+            for a in (bluetoothctl devices)
+                if string match -q 'Device *' $a
+                    bluetoothctl info $addr (string split ' ' $a)[2]
+                    echo
+                end
+            end`]
+        environment: ({
+                LANG: "C",
+                LC_ALL: "C"
+            })
+        stdout: StdioCollector {
+            onStreamFinished: {
+                const devices = text.trim().split("\n\n").map(d => ({
+                            name: d.match(/Name: (.*)/)[1],
+                            alias: d.match(/Alias: (.*)/)[1],
+                            address: d.match(/Device ([0-9A-Z:]{17})/)[1],
+                            icon: d.match(/Icon: (.*)/)[1],
+                            connected: d.includes("Connected: yes"),
+                            paired: d.includes("Paired: yes"),
+                            trusted: d.includes("Trusted: yes")
+                        }));
+                const rDevices = root.devices;
+
+                const destroyed = rDevices.filter(rd => !devices.find(d => d.address === rd.address));
+                for (const device of destroyed)
+                    rDevices.splice(rDevices.indexOf(device), 1).forEach(d => d.destroy());
+
+                for (const device of devices) {
+                    const match = rDevices.find(d => d.address === device.address);
+                    if (match) {
+                        match.lastIpcObject = device;
+                    } else {
+                        rDevices.push(deviceComp.createObject(root, {
+                            lastIpcObject: device
+                        }));
+                    }
+                }
+            }
+        }
+    }
+
+    component Device: QtObject {
+        required property var lastIpcObject
+        readonly property string name: lastIpcObject.name
+        readonly property string alias: lastIpcObject.alias
+        readonly property string address: lastIpcObject.address
+        readonly property string icon: lastIpcObject.icon
+        readonly property bool connected: lastIpcObject.connected
+        readonly property bool paired: lastIpcObject.paired
+        readonly property bool trusted: lastIpcObject.trusted
+    }
+
+    Component {
+        id: deviceComp
+
+        Device {}
+    }
+}