Add WebView support via WebKitGTK

Implements Priority 4 item: WebView via WebKitGTK New files: - Interop/WebKitGtk.cs - P/Invoke bindings for WebKitGTK library - Views/LinuxWebView.cs - WebKitGTK-based WebView platform control - Handlers/WebViewHandler.Linux.cs - MAUI handler for WebView on Linux - samples_temp/WebViewDemo/ - Demo app for WebView functionality Features: - Full HTML5/CSS3/JavaScript support via WebKitGTK - Navigation (back/forward/reload) - URL and HTML source loading - JavaScript evaluation - Navigation events (Navigating/Navigated) - Automatic GTK event processing Requirements: - libwebkit2gtk-4.1-0 package on target Linux system 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-28 10:45:58 -05:00
parent 10a061777e
commit 1e84c6168a
23 changed files with 4351 additions and 2 deletions
--- a/samples_temp/ShellDemo/Pages/ControlsPage.cs
+++ b/samples_temp/ShellDemo/Pages/ControlsPage.cs
@@ -0,0 +1,203 @@
+// ControlsPage - Demonstrates various MAUI controls
+
+using Microsoft.Maui.Controls;
+using Microsoft.Maui.Graphics;
+
+namespace ShellDemo;
+
+public class ControlsPage : ContentPage
+{
+    public ControlsPage()
+    {
+        Title = "Controls";
+
+        Content = new ScrollView
+        {
+            Content = new VerticalStackLayout
+            {
+                Padding = new Thickness(20),
+                Spacing = 15,
+                Children =
+                {
+                    new Label
+                    {
+                        Text = "Control Gallery",
+                        FontSize = 24,
+                        FontAttributes = FontAttributes.Bold
+                    },
+
+                    // Buttons
+                    CreateSection("Buttons", new View[]
+                    {
+                        CreateButtonRow()
+                    }),
+
+                    // CheckBox & Switch
+                    CreateSection("Selection", new View[]
+                    {
+                        CreateCheckBoxRow(),
+                        CreateSwitchRow()
+                    }),
+
+                    // Slider
+                    CreateSection("Slider", new View[]
+                    {
+                        CreateSliderRow()
+                    }),
+
+                    // Picker
+                    CreateSection("Picker", new View[]
+                    {
+                        CreatePickerRow()
+                    }),
+
+                    // Progress
+                    CreateSection("Progress", new View[]
+                    {
+                        CreateProgressRow()
+                    })
+                }
+            }
+        };
+    }
+
+    private Frame CreateSection(string title, View[] content)
+    {
+        var layout = new VerticalStackLayout { Spacing = 10 };
+        layout.Children.Add(new Label
+        {
+            Text = title,
+            FontSize = 18,
+            FontAttributes = FontAttributes.Bold
+        });
+
+        foreach (var view in content)
+        {
+            layout.Children.Add(view);
+        }
+
+        return new Frame
+        {
+            CornerRadius = 8,
+            Padding = new Thickness(15),
+            BackgroundColor = Colors.White,
+            Content = layout
+        };
+    }
+
+    private View CreateButtonRow()
+    {
+        var resultLabel = new Label { TextColor = Colors.Gray, FontSize = 12 };
+
+        var layout = new VerticalStackLayout { Spacing = 10 };
+
+        var buttonRow = new HorizontalStackLayout { Spacing = 10 };
+
+        var primaryBtn = new Button { Text = "Primary", BackgroundColor = Color.FromArgb("#2196F3"), TextColor = Colors.White };
+        primaryBtn.Clicked += (s, e) => resultLabel.Text = "Primary clicked!";
+
+        var successBtn = new Button { Text = "Success", BackgroundColor = Color.FromArgb("#4CAF50"), TextColor = Colors.White };
+        successBtn.Clicked += (s, e) => resultLabel.Text = "Success clicked!";
+
+        var dangerBtn = new Button { Text = "Danger", BackgroundColor = Color.FromArgb("#F44336"), TextColor = Colors.White };
+        dangerBtn.Clicked += (s, e) => resultLabel.Text = "Danger clicked!";
+
+        buttonRow.Children.Add(primaryBtn);
+        buttonRow.Children.Add(successBtn);
+        buttonRow.Children.Add(dangerBtn);
+
+        layout.Children.Add(buttonRow);
+        layout.Children.Add(resultLabel);
+
+        return layout;
+    }
+
+    private View CreateCheckBoxRow()
+    {
+        var layout = new HorizontalStackLayout { Spacing = 20 };
+
+        var cb1 = new CheckBox { IsChecked = true };
+        var cb2 = new CheckBox { IsChecked = false };
+
+        layout.Children.Add(cb1);
+        layout.Children.Add(new Label { Text = "Option 1", VerticalOptions = LayoutOptions.Center });
+        layout.Children.Add(cb2);
+        layout.Children.Add(new Label { Text = "Option 2", VerticalOptions = LayoutOptions.Center });
+
+        return layout;
+    }
+
+    private View CreateSwitchRow()
+    {
+        var label = new Label { Text = "Off", VerticalOptions = LayoutOptions.Center };
+        var sw = new Switch { IsToggled = false };
+        sw.Toggled += (s, e) => label.Text = e.Value ? "On" : "Off";
+
+        return new HorizontalStackLayout
+        {
+            Spacing = 10,
+            Children = { sw, label }
+        };
+    }
+
+    private View CreateSliderRow()
+    {
+        var label = new Label { Text = "Value: 50" };
+        var slider = new Slider { Minimum = 0, Maximum = 100, Value = 50 };
+        slider.ValueChanged += (s, e) => label.Text = $"Value: {(int)e.NewValue}";
+
+        return new VerticalStackLayout
+        {
+            Spacing = 5,
+            Children = { slider, label }
+        };
+    }
+
+    private View CreatePickerRow()
+    {
+        var label = new Label { Text = "Selected: (none)", TextColor = Colors.Gray };
+        var picker = new Picker { Title = "Select a fruit" };
+        picker.Items.Add("Apple");
+        picker.Items.Add("Banana");
+        picker.Items.Add("Cherry");
+        picker.Items.Add("Date");
+        picker.Items.Add("Elderberry");
+
+        picker.SelectedIndexChanged += (s, e) =>
+        {
+            if (picker.SelectedIndex >= 0)
+                label.Text = $"Selected: {picker.Items[picker.SelectedIndex]}";
+        };
+
+        return new VerticalStackLayout
+        {
+            Spacing = 5,
+            Children = { picker, label }
+        };
+    }
+
+    private View CreateProgressRow()
+    {
+        var progress = new ProgressBar { Progress = 0.7 };
+        var activity = new ActivityIndicator { IsRunning = true };
+
+        return new VerticalStackLayout
+        {
+            Spacing = 10,
+            Children =
+            {
+                progress,
+                new Label { Text = "70% Complete", FontSize = 12, TextColor = Colors.Gray },
+                new HorizontalStackLayout
+                {
+                    Spacing = 10,
+                    Children =
+                    {
+                        activity,
+                        new Label { Text = "Loading...", VerticalOptions = LayoutOptions.Center, TextColor = Colors.Gray }
+                    }
+                }
+            }
+        };
+    }
+}