Dave Friedel
1f096c38dc
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
633 lines
19 KiB
C#
633 lines
19 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Microsoft.Maui.Platform.Linux.Services;
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public class Gtk4InteropService : IDisposable
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{
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private struct GdkRGBA
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{
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public float Red;
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public float Green;
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public float Blue;
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public float Alpha;
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}
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate void GAsyncReadyCallback(IntPtr sourceObject, IntPtr result, IntPtr userData);
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private const string LibGtk4 = "libgtk-4.so.1";
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private const string LibGio = "libgio-2.0.so.0";
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private const string LibGlib = "libglib-2.0.so.0";
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private const string LibGObject = "libgobject-2.0.so.0";
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private const string LibGtk3 = "libgtk-3.so.0";
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private bool _initialized;
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private bool _useGtk4;
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private bool _disposed;
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private readonly object _lock = new object();
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private GAsyncReadyCallback? _currentCallback;
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private TaskCompletionSource<FileDialogResult>? _fileDialogTcs;
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private TaskCompletionSource<ColorDialogResult>? _colorDialogTcs;
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private IntPtr _currentDialog;
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public bool IsInitialized => _initialized;
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public bool IsGtk4 => _useGtk4;
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[DllImport("libgtk-4.so.1")]
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private static extern bool gtk_init_check();
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[DllImport("libgtk-4.so.1")]
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private static extern bool gtk_is_initialized();
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr g_main_context_default();
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[DllImport("libgtk-4.so.1")]
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private static extern bool g_main_context_iteration(IntPtr context, bool mayBlock);
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[DllImport("libglib-2.0.so.0")]
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private static extern void g_free(IntPtr mem);
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[DllImport("libgobject-2.0.so.0")]
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private static extern void g_object_unref(IntPtr obj);
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[DllImport("libgobject-2.0.so.0")]
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private static extern void g_object_ref(IntPtr obj);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_window_new();
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_window_set_title(IntPtr window, [MarshalAs(UnmanagedType.LPStr)] string title);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_window_set_modal(IntPtr window, bool modal);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_window_set_transient_for(IntPtr window, IntPtr parent);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_window_destroy(IntPtr window);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_window_present(IntPtr window);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_window_close(IntPtr window);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_widget_show(IntPtr widget);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_widget_hide(IntPtr widget);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_widget_set_visible(IntPtr widget, bool visible);
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[DllImport("libgtk-4.so.1")]
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private static extern bool gtk_widget_get_visible(IntPtr widget);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_alert_dialog_new([MarshalAs(UnmanagedType.LPStr)] string format);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_alert_dialog_set_message(IntPtr dialog, [MarshalAs(UnmanagedType.LPStr)] string message);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_alert_dialog_set_detail(IntPtr dialog, [MarshalAs(UnmanagedType.LPStr)] string detail);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_alert_dialog_set_buttons(IntPtr dialog, string[] labels);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_alert_dialog_set_cancel_button(IntPtr dialog, int button);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_alert_dialog_set_default_button(IntPtr dialog, int button);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_alert_dialog_show(IntPtr dialog, IntPtr parent);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_file_dialog_new();
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_set_title(IntPtr dialog, [MarshalAs(UnmanagedType.LPStr)] string title);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_set_modal(IntPtr dialog, bool modal);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_set_accept_label(IntPtr dialog, [MarshalAs(UnmanagedType.LPStr)] string label);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_open(IntPtr dialog, IntPtr parent, IntPtr cancellable, GAsyncReadyCallback callback, IntPtr userData);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_file_dialog_open_finish(IntPtr dialog, IntPtr result, out IntPtr error);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_save(IntPtr dialog, IntPtr parent, IntPtr cancellable, GAsyncReadyCallback callback, IntPtr userData);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_file_dialog_save_finish(IntPtr dialog, IntPtr result, out IntPtr error);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_select_folder(IntPtr dialog, IntPtr parent, IntPtr cancellable, GAsyncReadyCallback callback, IntPtr userData);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_file_dialog_select_folder_finish(IntPtr dialog, IntPtr result, out IntPtr error);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_open_multiple(IntPtr dialog, IntPtr parent, IntPtr cancellable, GAsyncReadyCallback callback, IntPtr userData);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_file_dialog_open_multiple_finish(IntPtr dialog, IntPtr result, out IntPtr error);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_file_filter_new();
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_filter_set_name(IntPtr filter, [MarshalAs(UnmanagedType.LPStr)] string name);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_filter_add_pattern(IntPtr filter, [MarshalAs(UnmanagedType.LPStr)] string pattern);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_filter_add_mime_type(IntPtr filter, [MarshalAs(UnmanagedType.LPStr)] string mimeType);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_file_dialog_set_default_filter(IntPtr dialog, IntPtr filter);
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[DllImport("libgio-2.0.so.0")]
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private static extern IntPtr g_file_get_path(IntPtr file);
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[DllImport("libgio-2.0.so.0")]
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private static extern uint g_list_model_get_n_items(IntPtr list);
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[DllImport("libgio-2.0.so.0")]
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private static extern IntPtr g_list_model_get_item(IntPtr list, uint position);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_color_dialog_new();
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_color_dialog_set_title(IntPtr dialog, [MarshalAs(UnmanagedType.LPStr)] string title);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_color_dialog_set_modal(IntPtr dialog, bool modal);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_color_dialog_set_with_alpha(IntPtr dialog, bool withAlpha);
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[DllImport("libgtk-4.so.1")]
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private static extern void gtk_color_dialog_choose_rgba(IntPtr dialog, IntPtr parent, IntPtr initialColor, IntPtr cancellable, GAsyncReadyCallback callback, IntPtr userData);
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[DllImport("libgtk-4.so.1")]
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private static extern IntPtr gtk_color_dialog_choose_rgba_finish(IntPtr dialog, IntPtr result, out IntPtr error);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_init_check")]
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private static extern bool gtk3_init_check(ref int argc, ref IntPtr argv);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_file_chooser_dialog_new")]
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private static extern IntPtr gtk3_file_chooser_dialog_new([MarshalAs(UnmanagedType.LPStr)] string title, IntPtr parent, int action, [MarshalAs(UnmanagedType.LPStr)] string firstButtonText, int firstButtonResponse, [MarshalAs(UnmanagedType.LPStr)] string secondButtonText, int secondButtonResponse, IntPtr terminator);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_dialog_run")]
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private static extern int gtk3_dialog_run(IntPtr dialog);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_widget_destroy")]
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private static extern void gtk3_widget_destroy(IntPtr widget);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_file_chooser_get_filename")]
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private static extern IntPtr gtk3_file_chooser_get_filename(IntPtr chooser);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_file_chooser_get_filenames")]
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private static extern IntPtr gtk3_file_chooser_get_filenames(IntPtr chooser);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_file_chooser_set_select_multiple")]
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private static extern void gtk3_file_chooser_set_select_multiple(IntPtr chooser, bool selectMultiple);
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[DllImport("libgtk-3.so.0", EntryPoint = "gtk_message_dialog_new")]
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private static extern IntPtr gtk3_message_dialog_new(IntPtr parent, int flags, int type, int buttons, [MarshalAs(UnmanagedType.LPStr)] string message);
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[DllImport("libglib-2.0.so.0")]
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private static extern uint g_slist_length(IntPtr list);
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[DllImport("libglib-2.0.so.0")]
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private static extern IntPtr g_slist_nth_data(IntPtr list, uint n);
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[DllImport("libglib-2.0.so.0")]
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private static extern void g_slist_free(IntPtr list);
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public bool Initialize()
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{
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if (_initialized)
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{
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return true;
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}
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lock (_lock)
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{
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if (_initialized)
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{
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return true;
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}
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try
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{
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if (gtk_init_check())
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{
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_useGtk4 = true;
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_initialized = true;
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Console.WriteLine("[GTK4] Initialized GTK4");
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return true;
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}
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}
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catch (DllNotFoundException)
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{
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Console.WriteLine("[GTK4] GTK4 not found, trying GTK3");
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}
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catch (Exception ex2)
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{
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Console.WriteLine("[GTK4] GTK4 init failed: " + ex2.Message);
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}
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try
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{
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int argc = 0;
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IntPtr argv = IntPtr.Zero;
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if (gtk3_init_check(ref argc, ref argv))
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{
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_useGtk4 = false;
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_initialized = true;
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Console.WriteLine("[GTK4] Initialized GTK3 (fallback)");
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return true;
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}
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}
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catch (DllNotFoundException)
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{
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Console.WriteLine("[GTK4] GTK3 not found");
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}
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catch (Exception ex4)
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{
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Console.WriteLine("[GTK4] GTK3 init failed: " + ex4.Message);
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}
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return false;
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}
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}
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public void ShowAlert(string title, string message, GtkMessageType type = GtkMessageType.Info)
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{
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if (EnsureInitialized())
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{
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if (_useGtk4)
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{
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IntPtr intPtr = gtk_alert_dialog_new(title);
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gtk_alert_dialog_set_detail(intPtr, message);
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string[] labels = new string[1] { "OK" };
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gtk_alert_dialog_set_buttons(intPtr, labels);
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gtk_alert_dialog_show(intPtr, IntPtr.Zero);
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g_object_unref(intPtr);
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}
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else
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{
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IntPtr intPtr2 = gtk3_message_dialog_new(IntPtr.Zero, 1, (int)type, 1, message);
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gtk3_dialog_run(intPtr2);
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gtk3_widget_destroy(intPtr2);
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}
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ProcessPendingEvents();
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}
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}
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public bool ShowConfirmation(string title, string message)
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{
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if (!EnsureInitialized())
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{
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return false;
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}
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if (_useGtk4)
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{
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IntPtr intPtr = gtk_alert_dialog_new(title);
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gtk_alert_dialog_set_detail(intPtr, message);
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string[] labels = new string[2] { "No", "Yes" };
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gtk_alert_dialog_set_buttons(intPtr, labels);
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gtk_alert_dialog_set_default_button(intPtr, 1);
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gtk_alert_dialog_set_cancel_button(intPtr, 0);
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gtk_alert_dialog_show(intPtr, IntPtr.Zero);
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g_object_unref(intPtr);
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return true;
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}
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IntPtr intPtr2 = gtk3_message_dialog_new(IntPtr.Zero, 1, 2, 4, message);
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int num = gtk3_dialog_run(intPtr2);
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gtk3_widget_destroy(intPtr2);
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ProcessPendingEvents();
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return num == -8;
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}
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public FileDialogResult ShowOpenFileDialog(string title = "Open File", string? initialFolder = null, bool allowMultiple = false, params (string Name, string Pattern)[] filters)
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{
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if (!EnsureInitialized())
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{
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return new FileDialogResult
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{
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Accepted = false
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};
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}
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if (_useGtk4)
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{
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return ShowGtk4FileDialog(title, GtkFileChooserAction.Open, allowMultiple, filters);
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}
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return ShowGtk3FileDialog(title, 0, allowMultiple, filters);
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}
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public FileDialogResult ShowSaveFileDialog(string title = "Save File", string? suggestedName = null, params (string Name, string Pattern)[] filters)
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{
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if (!EnsureInitialized())
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{
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return new FileDialogResult
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{
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Accepted = false
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};
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}
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if (_useGtk4)
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{
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return ShowGtk4FileDialog(title, GtkFileChooserAction.Save, allowMultiple: false, filters);
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}
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return ShowGtk3FileDialog(title, 1, allowMultiple: false, filters);
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}
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public FileDialogResult ShowFolderDialog(string title = "Select Folder")
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{
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if (!EnsureInitialized())
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{
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return new FileDialogResult
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{
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Accepted = false
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};
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}
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if (_useGtk4)
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{
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return ShowGtk4FileDialog(title, GtkFileChooserAction.SelectFolder, allowMultiple: false, Array.Empty<(string, string)>());
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}
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return ShowGtk3FileDialog(title, 2, allowMultiple: false, Array.Empty<(string, string)>());
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}
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private FileDialogResult ShowGtk4FileDialog(string title, GtkFileChooserAction action, bool allowMultiple, (string Name, string Pattern)[] filters)
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{
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IntPtr dialog = gtk_file_dialog_new();
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gtk_file_dialog_set_title(dialog, title);
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gtk_file_dialog_set_modal(dialog, modal: true);
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if (filters.Length != 0)
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{
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IntPtr filter = gtk_file_filter_new();
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gtk_file_filter_set_name(filter, filters[0].Name);
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gtk_file_filter_add_pattern(filter, filters[0].Pattern);
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gtk_file_dialog_set_default_filter(dialog, filter);
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}
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_fileDialogTcs = new TaskCompletionSource<FileDialogResult>();
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_currentDialog = dialog;
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_currentCallback = delegate(IntPtr source, IntPtr result, IntPtr userData)
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{
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IntPtr error = IntPtr.Zero;
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IntPtr intPtr = IntPtr.Zero;
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try
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{
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if (action == GtkFileChooserAction.Open && !allowMultiple)
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{
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intPtr = gtk_file_dialog_open_finish(dialog, result, out error);
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}
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else if (action == GtkFileChooserAction.Save)
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{
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intPtr = gtk_file_dialog_save_finish(dialog, result, out error);
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}
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else if (action == GtkFileChooserAction.SelectFolder)
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{
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intPtr = gtk_file_dialog_select_folder_finish(dialog, result, out error);
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}
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if (intPtr != IntPtr.Zero && error == IntPtr.Zero)
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{
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IntPtr intPtr2 = g_file_get_path(intPtr);
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string text = Marshal.PtrToStringUTF8(intPtr2) ?? "";
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g_free(intPtr2);
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g_object_unref(intPtr);
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_fileDialogTcs?.TrySetResult(new FileDialogResult
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{
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Accepted = true,
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SelectedFiles = new string[1] { text }
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});
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}
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else
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{
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_fileDialogTcs?.TrySetResult(new FileDialogResult
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{
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Accepted = false
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});
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}
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}
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catch
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{
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_fileDialogTcs?.TrySetResult(new FileDialogResult
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{
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Accepted = false
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});
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}
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};
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if (action == GtkFileChooserAction.Open && !allowMultiple)
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{
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gtk_file_dialog_open(dialog, IntPtr.Zero, IntPtr.Zero, _currentCallback, IntPtr.Zero);
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}
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else if (action == GtkFileChooserAction.Open && allowMultiple)
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{
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gtk_file_dialog_open_multiple(dialog, IntPtr.Zero, IntPtr.Zero, _currentCallback, IntPtr.Zero);
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}
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else if (action == GtkFileChooserAction.Save)
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{
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gtk_file_dialog_save(dialog, IntPtr.Zero, IntPtr.Zero, _currentCallback, IntPtr.Zero);
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}
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else if (action == GtkFileChooserAction.SelectFolder)
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{
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gtk_file_dialog_select_folder(dialog, IntPtr.Zero, IntPtr.Zero, _currentCallback, IntPtr.Zero);
|
|
}
|
|
while (!_fileDialogTcs.Task.IsCompleted)
|
|
{
|
|
ProcessPendingEvents();
|
|
Thread.Sleep(10);
|
|
}
|
|
g_object_unref(dialog);
|
|
return _fileDialogTcs.Task.Result;
|
|
}
|
|
|
|
private FileDialogResult ShowGtk3FileDialog(string title, int action, bool allowMultiple, (string Name, string Pattern)[] filters)
|
|
{
|
|
IntPtr intPtr = gtk3_file_chooser_dialog_new(title, IntPtr.Zero, action, "_Cancel", -6, (action == 1) ? "_Save" : "_Open", -3, IntPtr.Zero);
|
|
if (allowMultiple)
|
|
{
|
|
gtk3_file_chooser_set_select_multiple(intPtr, selectMultiple: true);
|
|
}
|
|
int num = gtk3_dialog_run(intPtr);
|
|
FileDialogResult result = new FileDialogResult
|
|
{
|
|
Accepted = false
|
|
};
|
|
if (num == -3)
|
|
{
|
|
if (allowMultiple)
|
|
{
|
|
IntPtr list = gtk3_file_chooser_get_filenames(intPtr);
|
|
uint num2 = g_slist_length(list);
|
|
List<string> list2 = new List<string>();
|
|
for (uint num3 = 0u; num3 < num2; num3++)
|
|
{
|
|
IntPtr intPtr2 = g_slist_nth_data(list, num3);
|
|
string text = Marshal.PtrToStringUTF8(intPtr2);
|
|
if (!string.IsNullOrEmpty(text))
|
|
{
|
|
list2.Add(text);
|
|
g_free(intPtr2);
|
|
}
|
|
}
|
|
g_slist_free(list);
|
|
result = new FileDialogResult
|
|
{
|
|
Accepted = true,
|
|
SelectedFiles = list2.ToArray()
|
|
};
|
|
}
|
|
else
|
|
{
|
|
IntPtr intPtr3 = gtk3_file_chooser_get_filename(intPtr);
|
|
string text2 = Marshal.PtrToStringUTF8(intPtr3);
|
|
g_free(intPtr3);
|
|
if (!string.IsNullOrEmpty(text2))
|
|
{
|
|
FileDialogResult fileDialogResult = new FileDialogResult();
|
|
fileDialogResult.Accepted = true;
|
|
fileDialogResult.SelectedFiles = new string[1] { text2 };
|
|
result = fileDialogResult;
|
|
}
|
|
}
|
|
}
|
|
gtk3_widget_destroy(intPtr);
|
|
ProcessPendingEvents();
|
|
return result;
|
|
}
|
|
|
|
public ColorDialogResult ShowColorDialog(string title = "Choose Color", float initialRed = 1f, float initialGreen = 1f, float initialBlue = 1f, float initialAlpha = 1f, bool withAlpha = true)
|
|
{
|
|
if (!EnsureInitialized())
|
|
{
|
|
return new ColorDialogResult
|
|
{
|
|
Accepted = false
|
|
};
|
|
}
|
|
if (_useGtk4)
|
|
{
|
|
return ShowGtk4ColorDialog(title, initialRed, initialGreen, initialBlue, initialAlpha, withAlpha);
|
|
}
|
|
return new ColorDialogResult
|
|
{
|
|
Accepted = false
|
|
};
|
|
}
|
|
|
|
private ColorDialogResult ShowGtk4ColorDialog(string title, float r, float g, float b, float a, bool withAlpha)
|
|
{
|
|
IntPtr dialog = gtk_color_dialog_new();
|
|
gtk_color_dialog_set_title(dialog, title);
|
|
gtk_color_dialog_set_modal(dialog, modal: true);
|
|
gtk_color_dialog_set_with_alpha(dialog, withAlpha);
|
|
_colorDialogTcs = new TaskCompletionSource<ColorDialogResult>();
|
|
_currentCallback = delegate(IntPtr source, IntPtr result, IntPtr userData)
|
|
{
|
|
IntPtr error = IntPtr.Zero;
|
|
try
|
|
{
|
|
IntPtr intPtr = gtk_color_dialog_choose_rgba_finish(dialog, result, out error);
|
|
if (intPtr != IntPtr.Zero && error == IntPtr.Zero)
|
|
{
|
|
GdkRGBA gdkRGBA = Marshal.PtrToStructure<GdkRGBA>(intPtr);
|
|
_colorDialogTcs?.TrySetResult(new ColorDialogResult
|
|
{
|
|
Accepted = true,
|
|
Red = gdkRGBA.Red,
|
|
Green = gdkRGBA.Green,
|
|
Blue = gdkRGBA.Blue,
|
|
Alpha = gdkRGBA.Alpha
|
|
});
|
|
}
|
|
else
|
|
{
|
|
_colorDialogTcs?.TrySetResult(new ColorDialogResult
|
|
{
|
|
Accepted = false
|
|
});
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
_colorDialogTcs?.TrySetResult(new ColorDialogResult
|
|
{
|
|
Accepted = false
|
|
});
|
|
}
|
|
};
|
|
gtk_color_dialog_choose_rgba(dialog, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, _currentCallback, IntPtr.Zero);
|
|
while (!_colorDialogTcs.Task.IsCompleted)
|
|
{
|
|
ProcessPendingEvents();
|
|
Thread.Sleep(10);
|
|
}
|
|
g_object_unref(dialog);
|
|
return _colorDialogTcs.Task.Result;
|
|
}
|
|
|
|
private bool EnsureInitialized()
|
|
{
|
|
if (!_initialized)
|
|
{
|
|
Initialize();
|
|
}
|
|
return _initialized;
|
|
}
|
|
|
|
private void ProcessPendingEvents()
|
|
{
|
|
IntPtr context = g_main_context_default();
|
|
while (g_main_context_iteration(context, mayBlock: false))
|
|
{
|
|
}
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
if (!_disposed)
|
|
{
|
|
_disposed = true;
|
|
_initialized = false;
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
}
|
|
|
|
~Gtk4InteropService()
|
|
{
|
|
Dispose();
|
|
}
|
|
}
|