Somewhat better hierarchy.

Init separate .qml files.

imports/Spectral/Page/RoomForm.ui.qml

@@ -0,0 +1,61 @@
+import QtQuick 2.9
+import QtQuick.Controls 2.2
+import QtQuick.Layouts 1.3
+import QtQuick.Controls.Material 2.2
+
+import Spectral.Panel 2.0
+import Spectral.Component 2.0
+import Spectral.Effect 2.0
+
+import Spectral 0.1
+import Spectral.Setting 0.1
+
+Page {
+    property alias connection: roomListModel.connection
+    property alias filter: roomListForm.filter
+
+    property alias roomListModel: roomListModel
+
+    id: page
+
+    RoomListModel {
+        id: roomListModel
+    }
+
+    RowLayout {
+        anchors.fill: parent
+
+        spacing: 0
+
+        RoomListPanel {
+            Layout.fillHeight: true
+            Layout.preferredWidth: MSettings.miniMode ? 64 : page.width * 0.35
+            Layout.minimumWidth: 64
+            Layout.maximumWidth: 360
+
+            id: roomListForm
+
+            listModel: roomListModel
+
+            layer.enabled: true
+            layer.effect: ElevationEffect {
+                elevation: 2
+            }
+        }
+
+        RoomPanel {
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+
+            id: roomForm
+
+            currentRoom: roomListForm.enteredRoom
+        }
+    }
+}
+
+
+/*##^## Designer {
+    D{i:0;autoSize:false;height:480;width:640}
+}
+ ##^##*/