open-maui/OpenMaui
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Add WebView support via WebKitGTK

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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>
This commit is contained in:
David H. Friedel Jr.
2025-12-28 10:45:58 -05:00
parent 10a061777e
commit 1e84c6168a
23 changed files with 4351 additions and 2 deletions
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9
docs/architectnotes.md
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@@ -83,7 +83,7 @@ OpenMaui Linux implements a custom SkiaSharp-based rendering stack for .NET MAUI
|------|--------|-------|
| Native Wayland compositor | Deferred | XWayland sufficient for 1.0 |
| GTK4 interop layer | Deferred | Portal approach preferred |
| WebView via WebKitGTK | Deferred | Document as limitation |
| WebView via WebKitGTK | [x] Complete | `Interop/WebKitGtk.cs` + `Views/LinuxWebView.cs` + `Handlers/WebViewHandler.Linux.cs` |
---
@@ -458,11 +458,15 @@ All identified improvements have been implemented:
- `Services/PortalFilePickerService.cs` - xdg-desktop-portal file picker with zenity fallback
- `Services/VirtualizationManager.cs` - View recycling pool for list virtualization
- `Services/Fcitx5InputMethodService.cs` - Fcitx5 input method support
- `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
### Files Modified
- `Rendering/SkiaRenderingEngine.cs` - Added dirty region tracking with intelligent merging
- `Services/NotificationService.cs` - Added action callbacks via D-Bus monitoring
- `Services/InputMethodServiceFactory.cs` - Added Fcitx5 support to auto-detection
- `Hosting/LinuxMauiAppBuilderExtensions.cs` - Registered WebViewHandler for WebView control
### Architecture Improvements
1. **Rendering Performance**: Dirty region invalidation reduces redraw area by up to 95%
@@ -470,5 +474,6 @@ All identified improvements have been implemented:
3. **Text Rendering**: Full international text support with font fallback
4. **Platform Integration**: Native file dialogs, theme detection, rich notifications
5. **Input Methods**: IBus + Fcitx5 support covers most Linux desktop configurations
6. **WebView**: Full WebKitGTK integration for HTML/JavaScript rendering with navigation support
*Implementation complete. Ready for 1.0 release pending integration tests.*
*Implementation complete. WebView requires libwebkit2gtk-4.1-0 package on target system.*