Mobile: add default cylinder UI

Add the UI components to let the user set the default cylinder and select
the chosen cylinder when adding a new dive.

Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>

mobile-widgets/qml/Settings.qml

@@ -10,6 +10,9 @@ import org.subsurfacedivelog.mobile 1.0
 Kirigami.ScrollablePage {
 	objectName: "Settings"
 	id: settingsPage
+	property alias defaultCylinderModel: defaultCylinderBox.model
+	property alias defaultCylinderIndex: defaultCylinderBox.currentIndex
+
 	title: qsTr("Settings")
 	background: Rectangle { color: subsurfaceTheme.backgroundColor }
 
@@ -300,6 +303,41 @@ Kirigami.ScrollablePage {
 			}
 
 		}
+		Rectangle {
+			color: subsurfaceTheme.darkerPrimaryColor
+			height: 1
+			opacity: 0.5
+			Layout.fillWidth: true
+		}
+		GridLayout {
+			id: defaultCylinder
+			columns: 2
+			width: parent.width - Kirigami.Units.gridUnit
+
+			Kirigami.Heading {
+				text: qsTr("Default Cylinder")
+				color: subsurfaceTheme.textColor
+				level: 4
+				Layout.topMargin: Kirigami.Units.largeSpacing
+				Layout.bottomMargin: Kirigami.Units.largeSpacing / 2
+				Layout.columnSpan: 2
+			}
+			Controls.Label {
+				Layout.alignment: Qt.AlignRight
+				text: qsTr("Cylinder:")
+				font.pointSize: subsurfaceTheme.smallPointSize
+			}
+			Controls.ComboBox {
+				id: defaultCylinderBox
+				flat: true
+				inputMethodHints: Qt.ImhNoPredictiveText
+				Layout.fillWidth: true
+				onActivated: {
+					general.set_default_cylinder(defaultCylinderBox.currentText)
+				}
+			}
+		}
+
 		Rectangle {
 			color: subsurfaceTheme.darkerPrimaryColor
 			height: 1

mobile-widgets/qml/main.qml

@@ -27,6 +27,7 @@ Kirigami.ApplicationWindow {
 	property alias locationServiceEnabled: manager.locationServiceEnabled
 	property alias pluggedInDeviceName: manager.pluggedInDeviceName
 	property alias showPin: prefs.showPin
+	property alias defaultCylinderIndex: settingsWindow.defaultCylinderIndex
 	onNotificationTextChanged: {
 		if (notificationText != "") {
 			// there's a risk that we have a >5 second gap in update events;
@@ -101,7 +102,7 @@ Kirigami.ApplicationWindow {
 		detailsWindow.cylinderModel2 = manager.cylinderInit
 		detailsWindow.cylinderModel3 = manager.cylinderInit
 		detailsWindow.cylinderModel4 = manager.cylinderInit
-		detailsWindow.cylinderIndex0 = -1
+		detailsWindow.cylinderIndex0 = general.default_cylinder == "" ? -1 : detailsWindow.cylinderModel0.indexOf(general.default_cylinder)
 		detailsWindow.usedCyl = ["",]
 		detailsWindow.weight = ""
 		detailsWindow.usedGas = []
@@ -371,6 +372,8 @@ if you have network connectivity and want to sync your data to cloud storage."),
 				text: qsTr("Settings")
 				onTriggered: {
 					globalDrawer.close()
+					settingsWindow.defaultCylinderModel = manager.cylinderInit
+					general.default_cylinder === "" ? defaultCylinderIndex = "-1" : defaultCylinderIndex = settingsWindow.defaultCylinderModel.indexOf(general.default_cylinder)
 					stackView.push(settingsWindow)
 					detailsWindow.endEditMode()
 				}
@@ -619,6 +622,10 @@ if you have network connectivity and want to sync your data to cloud storage."),
 		visible: false
 	}
 
+	SsrfGeneralPrefs {
+		id: general
+	}
+
 	onPluggedInDeviceNameChanged: {
 		if (detailsWindow.state === 'edit' || detailsWindow.state === 'add') {
 			/* we're in the middle of editing / adding a dive */