AppTheming and XAML

2026-01-11 12:33:48 -05:00
parent f87ea17a6f
commit 50cc186d6d
48 changed files with 3544 additions and 3068 deletions
--- a/WebViewDemo/Pages/WebViewPage.xaml.cs
+++ b/WebViewDemo/Pages/WebViewPage.xaml.cs
@@ -0,0 +1,178 @@
+// WebViewPage - Main page demonstrating WebView with WebKitGTK
+
+using Microsoft.Maui.Controls;
+
+namespace WebViewDemo;
+
+public partial class WebViewPage : ContentPage
+{
+    public WebViewPage()
+    {
+        Console.WriteLine("[WebViewPage] Constructor starting");
+        InitializeComponent();
+
+        // Set initial URL
+        MainWebView.Source = new UrlWebViewSource { Url = "https://dotnet.microsoft.com" };
+
+        Console.WriteLine("[WebViewPage] Constructor finished");
+    }
+
+    private void OnBackClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Back button clicked");
+        if (MainWebView.CanGoBack)
+        {
+            MainWebView.GoBack();
+        }
+    }
+
+    private void OnForwardClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Forward button clicked");
+        if (MainWebView.CanGoForward)
+        {
+            MainWebView.GoForward();
+        }
+    }
+
+    private void OnReloadClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Reload button clicked");
+        MainWebView.Reload();
+    }
+
+    private void OnGoClicked(object? sender, EventArgs e)
+    {
+        Navigate();
+    }
+
+    private void OnUrlSubmitted(object? sender, EventArgs e)
+    {
+        Navigate();
+    }
+
+    private void Navigate()
+    {
+        var url = UrlEntry.Text?.Trim();
+        if (string.IsNullOrEmpty(url))
+            return;
+
+        // Add https:// if not present
+        if (!url.StartsWith("http://") && !url.StartsWith("https://"))
+            url = "https://" + url;
+
+        Console.WriteLine($"[WebViewPage] Navigating to: {url}");
+        MainWebView.Source = new UrlWebViewSource { Url = url };
+        UrlEntry.Text = url;
+    }
+
+    private void OnNavigating(object? sender, WebNavigatingEventArgs e)
+    {
+        StatusLabel.Text = $"Loading: {e.Url}";
+        Console.WriteLine($"[WebViewPage] Navigating to: {e.Url}");
+    }
+
+    private void OnNavigated(object? sender, WebNavigatedEventArgs e)
+    {
+        StatusLabel.Text = e.Result == WebNavigationResult.Success
+            ? $"Loaded: {e.Url}"
+            : $"Failed: {e.Result}";
+
+        UrlEntry.Text = e.Url;
+        Console.WriteLine($"[WebViewPage] Navigated: {e.Result} - {e.Url}");
+    }
+
+    private void OnLoadHtmlClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Load HTML button clicked");
+
+        var html = @"
+<!DOCTYPE html>
+<html>
+<head>
+    <title>OpenMaui WebView</title>
+    <style>
+        body {
+            font-family: 'Segoe UI', Arial, sans-serif;
+            margin: 40px;
+            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            color: white;
+            min-height: 100vh;
+        }
+        h1 {
+            font-size: 2.5em;
+            margin-bottom: 20px;
+        }
+        p {
+            font-size: 1.2em;
+            line-height: 1.6;
+        }
+        .feature-list {
+            background: rgba(255,255,255,0.1);
+            padding: 20px;
+            border-radius: 10px;
+            margin-top: 20px;
+        }
+        li {
+            margin: 10px 0;
+            font-size: 1.1em;
+        }
+        button {
+            background: #4CAF50;
+            color: white;
+            border: none;
+            padding: 15px 30px;
+            font-size: 1.1em;
+            border-radius: 5px;
+            cursor: pointer;
+            margin-top: 20px;
+        }
+        button:hover {
+            background: #45a049;
+        }
+    </style>
+</head>
+<body>
+    <h1>Hello from OpenMaui Linux!</h1>
+    <p>This HTML content is rendered by WebKitGTK inside your .NET MAUI application.</p>
+
+    <div class='feature-list'>
+        <h2>WebView Features:</h2>
+        <ul>
+            <li>Full HTML5 support</li>
+            <li>CSS3 animations and transitions</li>
+            <li>JavaScript execution</li>
+            <li>Navigation history (back/forward)</li>
+            <li>WebGL and canvas support</li>
+        </ul>
+    </div>
+
+    <button onclick=""alert('Hello from JavaScript!')"">Click Me!</button>
+
+    <p style='margin-top: 30px; opacity: 0.8;'>
+        Powered by WebKitGTK - the same engine used by GNOME Web (Epiphany)
+    </p>
+</body>
+</html>";
+
+        MainWebView.Source = new HtmlWebViewSource { Html = html };
+        StatusLabel.Text = "Loaded custom HTML";
+    }
+
+    private async void OnEvalJsClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Run JS button clicked");
+
+        try
+        {
+            var result = await MainWebView.EvaluateJavaScriptAsync("document.title");
+            StatusLabel.Text = $"JS Result: {result ?? "(null)"}";
+            Console.WriteLine($"[WebViewPage] JS Eval result: {result}");
+        }
+        catch (Exception ex)
+        {
+            StatusLabel.Text = $"JS Error: {ex.Message}";
+            Console.WriteLine($"[WebViewPage] JS Error: {ex.Message}");
+        }
+    }
+}