1  using Gdk;
 2  using Gtk;
 3  using System;
 4  using System.Collections.Generic;
 5  using GtkKey = Gdk.Key;
 6  
 7  namespace Ryujinx.Input.GTK3
 8  {
 9      public class GTK3KeyboardDriver : IGamepadDriver
10      {
11          private readonly Widget _widget;
12          private readonly HashSet<GtkKey> _pressedKeys;
13  
14          public GTK3KeyboardDriver(Widget widget)
15          {
16              _widget = widget;
17              _pressedKeys = new HashSet<GtkKey>();
18  
19              _widget.KeyPressEvent += OnKeyPress;
20              _widget.KeyReleaseEvent += OnKeyRelease;
21          }
22  
23          public string DriverName => "GTK3";
24  
25          private static readonly string[] _keyboardIdentifers = new string[1] { "0" };
26  
27          public ReadOnlySpan<string> GamepadsIds => _keyboardIdentifers;
28  
29          public event Action<string> OnGamepadConnected
30          {
31              add { }
32              remove { }
33          }
34  
35          public event Action<string> OnGamepadDisconnected
36          {
37              add { }
38              remove { }
39          }
40  
41          protected virtual void Dispose(bool disposing)
42          {
43              if (disposing)
44              {
45                  _widget.KeyPressEvent -= OnKeyPress;
46                  _widget.KeyReleaseEvent -= OnKeyRelease;
47              }
48          }
49  
50          public void Dispose()
51          {
52              GC.SuppressFinalize(this);
53              Dispose(true);
54          }
55  
56          [GLib.ConnectBefore]
57          protected void OnKeyPress(object sender, KeyPressEventArgs args)
58          {
59              GtkKey key = (GtkKey)Keyval.ToLower((uint)args.Event.Key);
60  
61              _pressedKeys.Add(key);
62          }
63  
64          [GLib.ConnectBefore]
65          protected void OnKeyRelease(object sender, KeyReleaseEventArgs args)
66          {
67              GtkKey key = (GtkKey)Keyval.ToLower((uint)args.Event.Key);
68  
69              _pressedKeys.Remove(key);
70          }
71  
72          internal bool IsPressed(Key key)
73          {
74              if (key == Key.Unbound || key == Key.Unknown)
75              {
76                  return false;
77              }
78  
79              GtkKey nativeKey = GTK3MappingHelper.ToGtkKey(key);
80  
81              return _pressedKeys.Contains(nativeKey);
82          }
83  
84          public void Clear()
85          {
86              _pressedKeys.Clear();
87          }
88  
89          public IGamepad GetGamepad(string id)
90          {
91              if (!_keyboardIdentifers[0].Equals(id))
92              {
93                  return null;
94              }
95  
96              return new GTK3Keyboard(this, _keyboardIdentifers[0], "All keyboards");
97          }
98      }
99  }