feat: initialize icon button.

demo/Ursa.Demo/Models/MenuKeys.cs

@@ -10,6 +10,7 @@ public static class MenuKeys
     public const string MenuKeyDualBadge = "DualBadge";
     public const string MenuKeyImageViewer = "ImageViewer";
     public const string MenuKeyIpBox = "IPv4Box";
+    public const string MenuKeyIconButton = "IconButton";
     public const string MenuKeyKeyGestureInput = "KeyGestureInput";
     public const string MenuKeyLoading = "Loading";
     public const string MenuKeyNavigation = "Navigation";

demo/Ursa.Demo/Pages/IconButtonDemo.axaml

@@ -0,0 +1,14 @@
+<UserControl
+    x:Class="Ursa.Demo.Pages.IconButtonDemo"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:u="https://irihi.tech/ursa"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <StackPanel>
+        <u:IconButton IsLoading="True" Content="Hello World" />
+    </StackPanel>
+</UserControl>

demo/Ursa.Demo/Pages/IconButtonDemo.axaml.cs

@@ -0,0 +1,13 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Ursa.Demo.Pages;
+
+public partial class IconButtonDemo : UserControl
+{
+    public IconButtonDemo()
+    {
+        InitializeComponent();
+    }
+}

demo/Ursa.Demo/ViewModels/IconButtonDemoViewModel.cs

@@ -0,0 +1,8 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace Ursa.Demo.ViewModels;
+
+public class IconButtonDemoViewModel: ObservableObject
+{
+    
+}

demo/Ursa.Demo/ViewModels/MainViewViewModel.cs

@@ -31,6 +31,7 @@ public class MainViewViewModel : ViewModelBase
             MenuKeys.MenuKeyDivider => new DividerDemoViewModel(),
             MenuKeys.MenuKeyDualBadge => new DualBadgeDemoViewModel(),
             MenuKeys.MenuKeyImageViewer => new ImageViewerDemoViewModel(),
+            MenuKeys.MenuKeyIconButton => new IconButtonDemoViewModel(),
             MenuKeys.MenuKeyIpBox => new IPv4BoxDemoViewModel(),
             MenuKeys.MenuKeyKeyGestureInput => new KeyGestureInputDemoViewModel(),
             MenuKeys.MenuKeyLoading => new LoadingDemoViewModel(),

demo/Ursa.Demo/ViewModels/MenuViewModel.cs

@@ -17,6 +17,7 @@ public class MenuViewModel: ViewModelBase
             new() { MenuHeader = "ButtonGroup", Key = MenuKeys.MenuKeyButtonGroup },
             new() { MenuHeader = "Divider", Key = MenuKeys.MenuKeyDivider },
             new() { MenuHeader = "DualBadge", Key = MenuKeys.MenuKeyDualBadge },
+            new() { MenuHeader = "IconButton", Key = MenuKeys.MenuKeyIconButton },
             new() { MenuHeader = "ImageViewer", Key = MenuKeys.MenuKeyImageViewer },
             new() { MenuHeader = "IPv4Box", Key = MenuKeys.MenuKeyIpBox },
             new() { MenuHeader = "KeyGestureInput", Key = MenuKeys.MenuKeyKeyGestureInput },