| 1 | // Copyright (C) Microsoft Corporation. All rights reserved. |
| 2 | |
| 3 | using Microsoft.UI.Xaml; |
| 4 | using Microsoft.UI.Xaml.Controls; |
| 5 | using Windows.UI.ViewManagement; |
| 6 | |
| 7 | namespace WslSettings.Controls |
| 8 | { |
| 9 | public sealed partial class OOBEContent : UserControl |
| 10 | { |
| 11 | // Constants for hero image height calculations |
| 12 | private const double BaseImageHeight = 280.0; |
| 13 | private const double MinimumImageHeight = 200.0; |
| 14 | |
| 15 | private static readonly UISettings Settings = new UISettings(); |
| 16 | |
| 17 | public OOBEContent() |
| 18 | { |
| 19 | this.InitializeComponent(); |
| 20 | |
| 21 | // Set initial hero image height based on current text scaling |
| 22 | UpdateHeroImageHeight(); |
| 23 | |
| 24 | // Subscribe to text scale factor changes for dynamic updates |
| 25 | Settings.TextScaleFactorChanged += OnTextScaleFactorChanged; |
| 26 | |
| 27 | // Ensure event cleanup when control is unloaded |
| 28 | this.Unloaded += (s, e) => Settings.TextScaleFactorChanged -= OnTextScaleFactorChanged; |
| 29 | } |
| 30 | |
| 31 | private void UpdateHeroImageHeight() |
| 32 | { |
| 33 | double textScaleFactor = Settings.TextScaleFactor; |
| 34 | |
| 35 | // Reduce image height when text scaling increases to preserve content space |
| 36 | // Use inverse relationship: as text gets larger, image gets proportionally smaller |
| 37 | HeroImageHeight = Math.Max(BaseImageHeight / textScaleFactor, MinimumImageHeight); |
| 38 | } |
| 39 | |
| 40 | private void OnTextScaleFactorChanged(UISettings sender, object args) |
| 41 | { |
| 42 | // Update hero image height when text scaling changes at runtime |
| 43 | this.DispatcherQueue.TryEnqueue(() => UpdateHeroImageHeight()); |
| 44 | } |
| 45 | |
| 46 | public string Title |
| 47 | { |
| 48 | get { return (string)GetValue(TitleProperty); } |
| 49 | set { SetValue(TitleProperty, value); } |
| 50 | } |
| 51 | |
| 52 | public string Description |
| 53 | { |
| 54 | get => (string)GetValue(DescriptionProperty); |
| 55 | set => SetValue(DescriptionProperty, value); |
| 56 | } |
| 57 | |
| 58 | public string HeroImage |
| 59 | { |
| 60 | get => (string)GetValue(HeroImageProperty); |
| 61 | set => SetValue(HeroImageProperty, value); |
| 62 | } |
| 63 | |
| 64 | public double HeroImageHeight |
| 65 | { |
| 66 | get { return (double)GetValue(HeroImageHeightProperty); } |
| 67 | set { SetValue(HeroImageHeightProperty, value); } |
| 68 | } |
| 69 | |
| 70 | public object PageContent |
| 71 | { |
| 72 | get { return (object)GetValue(PageContentProperty); } |
| 73 | set { SetValue(PageContentProperty, value); } |
| 74 | } |
| 75 | |
| 76 | public static readonly DependencyProperty TitleProperty = DependencyProperty.Register("Title", typeof(string), typeof(OOBEContent), new PropertyMetadata(default(string))); |
| 77 | public static readonly DependencyProperty DescriptionProperty = DependencyProperty.Register("Description", typeof(string), typeof(OOBEContent), new PropertyMetadata(default(string))); |
| 78 | public static readonly DependencyProperty HeroImageProperty = DependencyProperty.Register("HeroImage", typeof(string), typeof(OOBEContent), new PropertyMetadata(default(string))); |
| 79 | public static readonly DependencyProperty PageContentProperty = DependencyProperty.Register("PageContent", typeof(object), typeof(OOBEContent), new PropertyMetadata(new Grid())); |
| 80 | public static readonly DependencyProperty HeroImageHeightProperty = DependencyProperty.Register("HeroImageHeight", typeof(double), typeof(OOBEContent), new PropertyMetadata(BaseImageHeight)); |
| 81 | } |
| 82 | } |