Rework temperature controls

Rework the temperature controls to use NumberPicker widgets so they
function more like a user would expect.  The associated Riverpod
providers have been updated to track the temperature value directly,
and some minor layout tweaks have also been made.

Bug-AGL: SPEC-4644

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: I069e0bd53c79d73cc7a60045309efdfeb9409fbc

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/widgets/slider.dart b/lib/widgets/slider.dart
new file mode 100644
index 0000000..f8bd459
--- /dev/null
+++ b/lib/widgets/slider.dart
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: Apache-2.0
+
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_hvac/provider.dart';
+
+import '../kuksa-server/vehicle_methods.dart';
+import '../size.dart';
+
+class SliderControl extends ConsumerWidget {
+  WebSocket socket;
+  SliderControl({Key? key, required this.socket}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context, ref) {
+    return SizedBox(
+      height: SizeConfig.safeBlockVertical * 2,
+      width: SizeConfig.screenWidth * 0.5,
+      child: Slider(
+        value: ref.watch(fanSpeedProvider).toDouble(),
+        onChanged: (value) {
+          ref.read(fanSpeedProvider.notifier).update(value.toInt());
+          VISS.set(socket, ref, 'Vehicle.Cabin.HVAC.Station.Row1.Left.FanSpeed',
+              value.toInt().toString());
+          VISS.set(
+              socket,
+              ref,
+              'Vehicle.Cabin.HVAC.Station.Row1.Right.FanSpeed',
+              value.toInt().toString());
+          VISS.set(socket, ref, 'Vehicle.Cabin.HVAC.Station.Row2.Left.FanSpeed',
+              value.toInt().toString());
+          VISS.set(
+              socket,
+              ref,
+              'Vehicle.Cabin.HVAC.Station.Row2.Right.FanSpeed',
+              value.toInt().toString());
+        },
+        min: 0,
+        max: 100,
+        activeColor: Colors.green,
+        inactiveColor: Colors.white70,
+        thumbColor: Colors.grey,
+        label: 'Fan Speed',
+      ),
+    );
+  }
+}