Merge pull request #349 from irihitech/UrsaView

Ursa view

src/Ursa/Controls/TitleBar/TitleBar.cs

@@ -29,6 +29,15 @@ public class TitleBar: ContentControl
         get => GetValue(RightContentProperty);
         set => SetValue(RightContentProperty, value);
     }
+
+    public static readonly StyledProperty<bool> IsTitleVisibleProperty = AvaloniaProperty.Register<TitleBar, bool>(
+        nameof(IsTitleVisible));
+
+    public bool IsTitleVisible
+    {
+        get => GetValue(IsTitleVisibleProperty);
+        set => SetValue(IsTitleVisibleProperty, value);
+    }
     
     protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
     {

src/Ursa/Windows/UrsaView.cs

@@ -0,0 +1,55 @@
+using Avalonia;
+using Avalonia.Controls;
+
+namespace Ursa.Controls;
+
+/// <summary>
+/// Ursa window is designed to 
+/// </summary>
+public class UrsaView: ContentControl
+{
+    public static readonly StyledProperty<bool> IsTitleBarVisibleProperty =
+        UrsaWindow.IsTitleBarVisibleProperty.AddOwner<UrsaView>();
+
+    public bool IsTitleBarVisible
+    {
+        get => GetValue(IsTitleBarVisibleProperty);
+        set => SetValue(IsTitleBarVisibleProperty, value);
+    }
+
+    public static readonly StyledProperty<object?> LeftContentProperty =
+        UrsaWindow.LeftContentProperty.AddOwner<UrsaView>();
+
+    public object? LeftContent
+    {
+        get => GetValue(LeftContentProperty);
+        set => SetValue(LeftContentProperty, value);
+    }
+
+    public static readonly StyledProperty<object?> RightContentProperty =
+        UrsaWindow.RightContentProperty.AddOwner<UrsaView>();
+
+    public object? RightContent
+    {
+        get => GetValue(RightContentProperty);
+        set => SetValue(RightContentProperty, value);
+    }
+
+    public static readonly StyledProperty<object?> TitleBarContentProperty =
+        UrsaWindow.TitleBarContentProperty.AddOwner<UrsaView>();
+
+    public object? TitleBarContent
+    {
+        get => GetValue(TitleBarContentProperty);
+        set => SetValue(TitleBarContentProperty, value);
+    }
+
+    public static readonly StyledProperty<Thickness> TitleBarMarginProperty =
+        UrsaWindow.TitleBarMarginProperty.AddOwner<UrsaView>();
+    
+    public Thickness TitleBarMargin
+    {
+        get => GetValue(TitleBarMarginProperty);
+        set => SetValue(TitleBarMarginProperty, value);
+    }
+}

src/Ursa/Windows/UrsaWindow.cs

@@ -47,7 +47,7 @@ public class UrsaWindow: Window
     }
     
     public static readonly StyledProperty<bool> IsTitleBarVisibleProperty = AvaloniaProperty.Register<UrsaWindow, bool>(
-        nameof(IsTitleBarVisible));
+        nameof(IsTitleBarVisible), true);
     
     public bool IsTitleBarVisible
     {