bluetooth: switch to hover panel, matching network behavior

modules/BluetoothMenu.qml

@@ -6,15 +6,18 @@ import "." as M
 M.HoverPanel {
     id: menuWindow
 
-    popupMode: true
     contentWidth: 250
+    panelNamespace: "nova-bluetooth"
+
+    onVisibleChanged: if (visible)
+        scanner.running = true
 
     property var _devices: []
     property bool _btEnabled: true
 
     property Process _scanner: Process {
         id: scanner
-        running: true
+        running: false
         command: ["sh", "-c", "bluetoothctl show 2>/dev/null | awk '/Powered:/{print $2; exit}';" + "echo '---DEVICES---';" + "bluetoothctl devices Paired 2>/dev/null | while read -r _ mac name; do " + "info=$(bluetoothctl info \"$mac\" 2>/dev/null); " + "conn=$(echo \"$info\" | grep -c 'Connected: yes'); " + "bat=$(echo \"$info\" | awk -F'[(): ]' '/Battery Percentage/{for(i=1;i<=NF;i++) if($i+0==$i && $i!=\"\") print $i}'); " + "echo \"$mac:$conn:${bat:-}:$name\"; " + "done"]
         stdout: StdioCollector {
             onStreamFinished: {