add initial Preferences page

electrum/gui/qml/components/Preferences.qml

@@ -0,0 +1,83 @@
+import QtQuick 2.6
+import QtQuick.Layouts 1.0
+import QtQuick.Controls 2.0
+import QtQuick.Controls.Material 2.0
+
+import org.electrum 1.0
+
+Pane {
+    property string title: qsTr("Preferences")
+
+    ColumnLayout {
+        anchors.fill: parent
+
+        Flickable {
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+
+            GridLayout {
+                id: rootLayout
+                columns: 2
+
+                Label {
+                    text: qsTr('Language')
+                }
+
+                ComboBox {
+                    id: language
+                    enabled: false
+                }
+
+                Label {
+                    text: qsTr('Base unit')
+                }
+
+                ComboBox {
+                    id: baseUnit
+                    model: ['BTC','mBTC','bits','sat']
+                }
+
+                CheckBox {
+                    id: thousands
+                    Layout.columnSpan: 2
+                    text: qsTr('Add thousands separators to bitcoin amounts')
+                }
+
+                CheckBox {
+                    id: checkSoftware
+                    Layout.columnSpan: 2
+                    text: qsTr('Automatically check for software updates')
+                    enabled: false
+                }
+
+                CheckBox {
+                    id: writeLogs
+                    Layout.columnSpan: 2
+                    text: qsTr('Write logs to file')
+                    enabled: false
+                }
+            }
+
+        }
+
+        RowLayout {
+            Layout.fillWidth: true
+            Layout.alignment: Qt.AlignHCenter
+            Button {
+                text: qsTr('Save')
+                onClicked: save()
+            }
+        }
+    }
+
+    function save() {
+        Config.baseUnit = baseUnit.currentValue
+        Config.thousandsSeparator = thousands.checked
+        app.stack.pop()
+    }
+
+    Component.onCompleted: {
+        baseUnit.currentIndex = ['BTC','mBTC','bits','sat'].indexOf(Config.baseUnit)
+        thousands.checked = Config.thousandsSeparator
+    }
+}