Moved virtual screen device to advanced

virtscreen/assets/DisplayOptionsDialog.qml

@@ -0,0 +1,70 @@
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Controls.Material 2.3
+import QtQuick.Layouts 1.3
+
+Dialog {
+    title: "Display Options"
+    focus: true
+    modal: true
+    visible: true
+    standardButtons: Dialog.Ok
+    x: (window.width - width) / 2
+    y: (window.width - height) / 2 
+    width: popupWidth
+    height: 250
+
+    ColumnLayout {
+        anchors.fill: parent
+
+        RowLayout {
+            anchors.left: parent.left
+            anchors.right: parent.right
+            Label { id: deviceLabel; text: "Device"; }
+            ComboBox {
+                id: deviceComboBox
+                anchors.left: deviceLabel.right
+                anchors.right: parent.right
+                anchors.leftMargin: 100
+                textRole: "name"
+                model: backend.screens
+                currentIndex: {
+                    if (settings.virt.device) {
+                        for (var i = 0; i < model.length; i++) {
+                            if (model[i].name == settings.virt.device) {
+                                return i;
+                            }
+                        }
+                    }
+                    settings.virt.device = '';
+                    return -1;
+                }  
+                onActivated: function(index) {
+                    settings.virt.device = model[index].name;
+                } 
+                delegate: ItemDelegate {
+                    width: deviceComboBox.width
+                    text: modelData.name
+                    font.weight: deviceComboBox.currentIndex === index ? Font.Bold : Font.Normal
+                    enabled: modelData.connected ? false : true
+                }
+            }
+        }
+
+        Text {
+            font { pointSize: 10 }
+            wrapMode: Text.WordWrap
+            text: "<b>Warning</b>: Edit only if 'VIRTUAL1' is not available<br/>" +
+                  "If so, please note that the virtual screen may be<br/>" +
+                  "unstable/unavailable depending on a graphic<br/>" +
+                  "card and its driver."
+        }
+
+        RowLayout {
+            // Empty layout
+            Layout.fillHeight: true
+        }
+    }
+    onAccepted: {}
+    onRejected: {}
+}