Update with recovered code from VM binaries (Jan 1)
Recovered from decompiled OpenMaui.Controls.Linux.dll: - SkiaShell.cs: FlyoutHeader, FlyoutFooter, scroll support (918 -> 1325 lines) - X11Window.cs: Cursor support (XCreateFontCursor, XDefineCursor) - All handlers with dark mode support - All services with latest implementations - LinuxApplication with theme change handling
This commit is contained in:
345
Window/GtkHostWindow.cs
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345
Window/GtkHostWindow.cs
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using Microsoft.Maui.Platform.Linux.Native;
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using Microsoft.Maui.Platform.Linux.Rendering;
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namespace Microsoft.Maui.Platform.Linux.Window;
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public sealed class GtkHostWindow : IDisposable
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{
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool DeleteEventDelegate(IntPtr widget, IntPtr eventData, IntPtr userData);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool ConfigureEventDelegate(IntPtr widget, IntPtr eventData, IntPtr userData);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool ButtonEventDelegate(IntPtr widget, IntPtr eventData, IntPtr userData);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool MotionEventDelegate(IntPtr widget, IntPtr eventData, IntPtr userData);
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[StructLayout(LayoutKind.Explicit)]
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private struct GdkEventButton
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{
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[FieldOffset(0)]
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public int type;
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[FieldOffset(8)]
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public IntPtr window;
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[FieldOffset(16)]
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public sbyte send_event;
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[FieldOffset(20)]
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public uint time;
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[FieldOffset(24)]
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public double x;
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[FieldOffset(32)]
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public double y;
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[FieldOffset(40)]
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public IntPtr axes;
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[FieldOffset(48)]
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public uint state;
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[FieldOffset(52)]
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public uint button;
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}
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[StructLayout(LayoutKind.Explicit)]
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private struct GdkEventMotion
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{
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[FieldOffset(0)]
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public int type;
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[FieldOffset(8)]
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public IntPtr window;
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[FieldOffset(16)]
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public sbyte send_event;
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[FieldOffset(20)]
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public uint time;
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[FieldOffset(24)]
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public double x;
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[FieldOffset(32)]
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public double y;
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}
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private IntPtr _window;
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private IntPtr _overlay;
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private IntPtr _webViewLayer;
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private GtkSkiaSurfaceWidget? _skiaSurface;
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private bool _disposed;
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private bool _isRunning;
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private int _width;
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private int _height;
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private readonly DeleteEventDelegate _deleteEventHandler;
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private readonly ConfigureEventDelegate _configureEventHandler;
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private readonly ButtonEventDelegate _buttonPressHandler;
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private readonly ButtonEventDelegate _buttonReleaseHandler;
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private readonly MotionEventDelegate _motionHandler;
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public IntPtr Window => _window;
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public IntPtr Overlay => _overlay;
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public IntPtr WebViewLayer => _webViewLayer;
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public GtkSkiaSurfaceWidget? SkiaSurface => _skiaSurface;
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public int Width => _width;
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public int Height => _height;
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public bool IsRunning => _isRunning;
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public event EventHandler<(int Width, int Height)>? Resized;
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public event EventHandler? CloseRequested;
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public event EventHandler<(double X, double Y, int Button)>? PointerPressed;
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public event EventHandler<(double X, double Y, int Button)>? PointerReleased;
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public event EventHandler<(double X, double Y)>? PointerMoved;
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public GtkHostWindow(string title, int width, int height)
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{
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_width = width;
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_height = height;
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Environment.SetEnvironmentVariable("GDK_BACKEND", "x11");
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Environment.SetEnvironmentVariable("WEBKIT_DISABLE_SANDBOX_THIS_IS_DANGEROUS", "1");
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Environment.SetEnvironmentVariable("LIBGL_ALWAYS_SOFTWARE", "1");
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int argc = 0;
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IntPtr argv = IntPtr.Zero;
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if (!GtkNative.gtk_init_check(ref argc, ref argv))
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{
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throw new InvalidOperationException("Failed to initialize GTK. Is a display available?");
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}
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_window = GtkNative.gtk_window_new(0);
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if (_window == IntPtr.Zero)
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{
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throw new InvalidOperationException("Failed to create GTK window");
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}
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GtkNative.gtk_window_set_title(_window, title);
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GtkNative.gtk_window_set_default_size(_window, width, height);
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_overlay = GtkNative.gtk_overlay_new();
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GtkNative.gtk_container_add(_window, _overlay);
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_skiaSurface = new GtkSkiaSurfaceWidget(width, height);
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GtkNative.gtk_container_add(_overlay, _skiaSurface.Widget);
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_webViewLayer = GtkNative.gtk_fixed_new();
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GtkNative.gtk_overlay_add_overlay(_overlay, _webViewLayer);
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GtkNative.gtk_widget_set_can_focus(_webViewLayer, canFocus: false);
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GtkNative.gtk_overlay_set_overlay_pass_through(_overlay, _webViewLayer, passThrough: true);
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_deleteEventHandler = OnDeleteEvent;
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_configureEventHandler = OnConfigureEvent;
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_buttonPressHandler = OnButtonPress;
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_buttonReleaseHandler = OnButtonRelease;
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_motionHandler = OnMotion;
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ConnectSignal(_window, "delete-event", Marshal.GetFunctionPointerForDelegate(_deleteEventHandler));
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ConnectSignal(_window, "configure-event", Marshal.GetFunctionPointerForDelegate(_configureEventHandler));
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GtkNative.gtk_widget_add_events(_window, 772);
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ConnectSignal(_window, "button-press-event", Marshal.GetFunctionPointerForDelegate(_buttonPressHandler));
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ConnectSignal(_window, "button-release-event", Marshal.GetFunctionPointerForDelegate(_buttonReleaseHandler));
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ConnectSignal(_window, "motion-notify-event", Marshal.GetFunctionPointerForDelegate(_motionHandler));
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Console.WriteLine($"[GtkHostWindow] Created GTK window on X11: {width}x{height}");
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}
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private void ConnectSignal(IntPtr widget, string signal, IntPtr handler)
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{
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GtkNative.g_signal_connect_data(widget, signal, handler, IntPtr.Zero, IntPtr.Zero, 0);
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}
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private bool OnDeleteEvent(IntPtr widget, IntPtr eventData, IntPtr userData)
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{
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this.CloseRequested?.Invoke(this, EventArgs.Empty);
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_isRunning = false;
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GtkNative.gtk_main_quit();
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return true;
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}
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private bool OnConfigureEvent(IntPtr widget, IntPtr eventData, IntPtr userData)
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{
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GtkNative.gtk_window_get_size(_window, out var width, out var height);
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if (width != _width || height != _height)
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{
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_width = width;
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_height = height;
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_skiaSurface?.Resize(width, height);
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this.Resized?.Invoke(this, (_width, _height));
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}
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return false;
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}
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private bool OnButtonPress(IntPtr widget, IntPtr eventData, IntPtr userData)
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{
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(double x, double y, int button) tuple = ParseButtonEvent(eventData);
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double item = tuple.x;
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double item2 = tuple.y;
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int item3 = tuple.button;
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string value = item3 switch
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{
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3 => "Right",
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2 => "Middle",
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1 => "Left",
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_ => $"Other({item3})",
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};
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Console.WriteLine($"[GtkHostWindow] ButtonPress at ({item:F1}, {item2:F1}), button={item3} ({value})");
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this.PointerPressed?.Invoke(this, (item, item2, item3));
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_skiaSurface?.RaisePointerPressed(item, item2, item3);
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return false;
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}
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private bool OnButtonRelease(IntPtr widget, IntPtr eventData, IntPtr userData)
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{
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var (num, num2, num3) = ParseButtonEvent(eventData);
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this.PointerReleased?.Invoke(this, (num, num2, num3));
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_skiaSurface?.RaisePointerReleased(num, num2, num3);
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return false;
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}
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private bool OnMotion(IntPtr widget, IntPtr eventData, IntPtr userData)
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{
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var (num, num2) = ParseMotionEvent(eventData);
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this.PointerMoved?.Invoke(this, (num, num2));
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_skiaSurface?.RaisePointerMoved(num, num2);
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return false;
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}
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private static (double x, double y, int button) ParseButtonEvent(IntPtr eventData)
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{
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GdkEventButton gdkEventButton = Marshal.PtrToStructure<GdkEventButton>(eventData);
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return (x: gdkEventButton.x, y: gdkEventButton.y, button: (int)gdkEventButton.button);
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}
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private static (double x, double y) ParseMotionEvent(IntPtr eventData)
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{
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GdkEventMotion gdkEventMotion = Marshal.PtrToStructure<GdkEventMotion>(eventData);
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return (x: gdkEventMotion.x, y: gdkEventMotion.y);
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}
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public void Show()
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{
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GtkNative.gtk_widget_show_all(_window);
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_isRunning = true;
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}
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public void Hide()
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{
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GtkNative.gtk_widget_hide(_window);
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}
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public void SetTitle(string title)
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{
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GtkNative.gtk_window_set_title(_window, title);
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}
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public void SetIcon(string iconPath)
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{
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if (string.IsNullOrEmpty(iconPath) || !File.Exists(iconPath))
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{
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Console.WriteLine("[GtkHostWindow] Icon file not found: " + iconPath);
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return;
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}
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try
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{
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IntPtr intPtr = GtkNative.gdk_pixbuf_new_from_file(iconPath, IntPtr.Zero);
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if (intPtr != IntPtr.Zero)
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{
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GtkNative.gtk_window_set_icon(_window, intPtr);
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GtkNative.g_object_unref(intPtr);
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Console.WriteLine("[GtkHostWindow] Set window icon: " + iconPath);
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine("[GtkHostWindow] Failed to set icon: " + ex.Message);
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}
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}
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public void Resize(int width, int height)
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{
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GtkNative.gtk_window_resize(_window, width, height);
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}
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public void AddWebView(IntPtr webViewWidget, int x, int y, int width, int height)
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{
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GtkNative.gtk_widget_set_size_request(webViewWidget, width, height);
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GtkNative.gtk_fixed_put(_webViewLayer, webViewWidget, x, y);
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GtkNative.gtk_widget_show(webViewWidget);
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Console.WriteLine($"[GtkHostWindow] Added WebView at ({x}, {y}) size {width}x{height}");
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}
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public void MoveResizeWebView(IntPtr webViewWidget, int x, int y, int width, int height)
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{
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GtkNative.gtk_widget_set_size_request(webViewWidget, width, height);
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GtkNative.gtk_fixed_move(_webViewLayer, webViewWidget, x, y);
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}
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public void RemoveWebView(IntPtr webViewWidget)
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{
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GtkNative.gtk_container_remove(_webViewLayer, webViewWidget);
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}
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public void RequestRedraw()
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{
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if (_skiaSurface != null)
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{
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GtkNative.gtk_widget_queue_draw(_skiaSurface.Widget);
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}
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}
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public void Run()
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{
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Show();
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GtkNative.gtk_main();
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}
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public void Stop()
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{
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_isRunning = false;
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GtkNative.gtk_main_quit();
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}
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public void ProcessEvents()
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{
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while (GtkNative.gtk_events_pending())
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{
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GtkNative.gtk_main_iteration_do(blocking: false);
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}
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}
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public void Dispose()
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{
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if (!_disposed)
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{
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_disposed = true;
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_skiaSurface?.Dispose();
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if (_window != IntPtr.Zero)
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{
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GtkNative.gtk_widget_destroy(_window);
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_window = IntPtr.Zero;
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}
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}
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}
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}
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Block a user