Verify and fix handlers against decompiled production

- ImageHandler.Linux.cs: Verified matches production - ScrollViewHandler.Linux.cs: Verified matches production - StepperHandler.Linux.cs: Verified matches production - RadioButtonHandler.Linux.cs: Verified matches production - SearchBarHandler.Linux.cs: Fixed namespace, added CancelButtonColor, SolidPaint, null checks - ImageButtonHandler.cs: Verified matches production - DatePickerHandler.cs: Verified matches production - TimePickerHandler.cs: Verified matches production 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-01 13:59:47 -05:00
parent 6f0d10935c
commit 317aaaf23c
6 changed files with 727 additions and 49 deletions
--- a/Handlers/ScrollViewHandler.Linux.cs
+++ b/Handlers/ScrollViewHandler.Linux.cs
@@ -0,0 +1,109 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using Microsoft.Maui.Handlers;
+using Microsoft.Maui.Platform.Linux.Hosting;
+
+namespace Microsoft.Maui.Platform.Linux.Handlers;
+
+/// <summary>
+/// Linux handler for ScrollView control.
+/// </summary>
+public class ScrollViewHandler : ViewHandler<IScrollView, SkiaScrollView>
+{
+    public static IPropertyMapper<IScrollView, ScrollViewHandler> Mapper = new PropertyMapper<IScrollView, ScrollViewHandler>(ViewHandler.ViewMapper)
+    {
+        ["Content"] = MapContent,
+        ["HorizontalScrollBarVisibility"] = MapHorizontalScrollBarVisibility,
+        ["VerticalScrollBarVisibility"] = MapVerticalScrollBarVisibility,
+        ["Orientation"] = MapOrientation
+    };
+
+    public static CommandMapper<IScrollView, ScrollViewHandler> CommandMapper = new(ViewHandler.ViewCommandMapper)
+    {
+        ["RequestScrollTo"] = MapRequestScrollTo
+    };
+
+    public ScrollViewHandler() : base(Mapper, CommandMapper)
+    {
+    }
+
+    public ScrollViewHandler(IPropertyMapper? mapper)
+        : base(mapper ?? Mapper, CommandMapper)
+    {
+    }
+
+    protected override SkiaScrollView CreatePlatformView()
+    {
+        return new SkiaScrollView();
+    }
+
+    public static void MapContent(ScrollViewHandler handler, IScrollView scrollView)
+    {
+        if (handler.PlatformView == null || handler.MauiContext == null)
+        {
+            return;
+        }
+
+        var presentedContent = scrollView.PresentedContent;
+        if (presentedContent != null)
+        {
+            Console.WriteLine("[ScrollViewHandler] MapContent: " + presentedContent.GetType().Name);
+
+            if (presentedContent.Handler == null)
+            {
+                presentedContent.Handler = presentedContent.ToViewHandler(handler.MauiContext);
+            }
+
+            if (presentedContent.Handler?.PlatformView is SkiaView skiaView)
+            {
+                Console.WriteLine("[ScrollViewHandler] Setting content: " + skiaView.GetType().Name);
+                handler.PlatformView.Content = skiaView;
+            }
+        }
+        else
+        {
+            handler.PlatformView.Content = null;
+        }
+    }
+
+    public static void MapHorizontalScrollBarVisibility(ScrollViewHandler handler, IScrollView scrollView)
+    {
+        handler.PlatformView.HorizontalScrollBarVisibility = (int)scrollView.HorizontalScrollBarVisibility switch
+        {
+            1 => ScrollBarVisibility.Always,
+            2 => ScrollBarVisibility.Never,
+            _ => ScrollBarVisibility.Default
+        };
+    }
+
+    public static void MapVerticalScrollBarVisibility(ScrollViewHandler handler, IScrollView scrollView)
+    {
+        handler.PlatformView.VerticalScrollBarVisibility = (int)scrollView.VerticalScrollBarVisibility switch
+        {
+            1 => ScrollBarVisibility.Always,
+            2 => ScrollBarVisibility.Never,
+            _ => ScrollBarVisibility.Default
+        };
+    }
+
+    public static void MapOrientation(ScrollViewHandler handler, IScrollView scrollView)
+    {
+        handler.PlatformView.Orientation = ((int)scrollView.Orientation - 1) switch
+        {
+            0 => ScrollOrientation.Horizontal,
+            1 => ScrollOrientation.Both,
+            2 => ScrollOrientation.Neither,
+            _ => ScrollOrientation.Vertical
+        };
+    }
+
+    public static void MapRequestScrollTo(ScrollViewHandler handler, IScrollView scrollView, object? args)
+    {
+        if (args is ScrollToRequest request)
+        {
+            handler.PlatformView.ScrollTo((float)request.HorizontalOffset, (float)request.VerticalOffset, !request.Instant);
+        }
+    }
+}