feat: Support for TextBox.Paste and PasswordBox.Paste on GTK

src/Uno.UI.Runtime.Skia.Gtk/UI/Controls/GtkTextBoxView.cs

@@ -106,6 +106,8 @@ public void SetPosition(double x, double y)
 		}
 	}
 
+	protected void RaisePaste(TextControlPasteEventArgs args) => Paste?.Invoke(this, args);
+
 	private void SetFont(TextBox textBox)
 	{
 		var fontDescription = new FontDescription

src/Uno.UI.Runtime.Skia.Gtk/UI/Controls/MultilineTextBoxView.cs

@@ -3,6 +3,7 @@
 using System;
 using Gtk;
 using Uno.Disposables;
+using Uno.UI.Runtime.Skia.Gtk.UI.Controls;
 using Windows.UI.Xaml.Controls;
 
 namespace Uno.UI.Runtime.Skia.Gtk.UI.Xaml.Controls;
@@ -12,14 +13,17 @@ internal class MultilineTextBoxView : GtkTextBoxView
 	private const string MultilineHostCssClass = "textbox_multiline_host";
 
 	private readonly ScrolledWindow _scrolledWindow = new();
-	private readonly TextView _textView = new();
+	private readonly UnoGtkTextView _textView = new();
 
 	public MultilineTextBoxView()
 	{
 		_scrolledWindow.Add(_textView);
 		_scrolledWindow.StyleContext.AddClass(MultilineHostCssClass);
+		_textView.Paste += OnPaste;
 	}
 
+	private void OnPaste(object sender, TextControlPasteEventArgs args) => RaisePaste(args);
+
 	protected override Widget RootWidget => _scrolledWindow;
 
 	protected override Widget InputWidget => _textView;

src/Uno.UI.Runtime.Skia.Gtk/UI/Controls/SinglelineTextBoxView.cs

@@ -4,20 +4,24 @@
 using System.Threading;
 using Gtk;
 using Uno.Disposables;
+using Uno.UI.Runtime.Skia.Gtk.UI.Controls;
 using Windows.UI.Xaml.Controls;
 
 namespace Uno.UI.Runtime.Skia.Gtk.UI.Xaml.Controls;
 
 internal class SinglelineTextBoxView : GtkTextBoxView
 {
-	private readonly Entry _entry = new();
+	private readonly UnoGtkEntry _entry = new();
 	private readonly bool _isPassword;
 
 	public SinglelineTextBoxView(bool isPassword)
 	{
 		_isPassword = isPassword;
+		_entry.Paste += OnPaste;
 	}
 
+	private void OnPaste(object sender, TextControlPasteEventArgs args) => RaisePaste(args);
+
 	protected override Widget InputWidget => _entry;
 
 	protected override Widget RootWidget => _entry;

src/Uno.UI.Runtime.Skia.Gtk/UI/Controls/UnoGtkEntry.cs

@@ -0,0 +1,21 @@
+#nullable enable
+
+using Gtk;
+using Windows.UI.Xaml.Controls;
+
+namespace Uno.UI.Runtime.Skia.Gtk.UI.Controls;
+
+internal class UnoGtkEntry : Entry
+{
+	protected override void OnClipboardPasted()
+	{
+		var args = new TextControlPasteEventArgs();
+		Paste?.Invoke(this, args);
+		if (!args.Handled)
+		{
+			base.OnClipboardPasted();
+		}
+	}
+
+	public event TextControlPasteEventHandler? Paste;
+}

src/Uno.UI.Runtime.Skia.Gtk/UI/Controls/UnoGtkTextView.cs

@@ -0,0 +1,20 @@
+#nullable enable
+
+using Gtk;
+using Windows.UI.Xaml.Controls;
+
+namespace Uno.UI.Runtime.Skia.Gtk.UI.Controls;
+internal class UnoGtkTextView : TextView
+{
+	protected override void OnPasteClipboard()
+	{
+		var args = new TextControlPasteEventArgs();
+		Paste?.Invoke(this, args);
+		if (!args.Handled)
+		{
+			base.OnPasteClipboard();
+		}
+	}
+
+	public event TextControlPasteEventHandler? Paste;
+}

src/Uno.UI/UI/Xaml/Controls/TextBox/TextBox.cs

@@ -70,7 +70,11 @@ public partial class TextBox : Control, IFrameworkTemplatePoolAware
 		public event TypedEventHandler<TextBox, TextBoxBeforeTextChangingEventArgs> BeforeTextChanging;
 		public event RoutedEventHandler SelectionChanged;
 #if __SKIA__ || __ANDROID__ || __CROSSRUNTIME__ || __IOS__
-		public new event TextControlPasteEventHandler Paste;
+		public
+#if ___IOS__
+			new
+#endif
+			event TextControlPasteEventHandler Paste;
 #endif
 
 		internal void RaisePaste(TextControlPasteEventArgs args) => Paste?.Invoke(this, args);