mirror of
https://github.com/Ryujinx/Opentk.git
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331 lines
14 KiB
C#
331 lines
14 KiB
C#
#region License
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//
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// LibInput.cs
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//
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// Author:
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// Stefanos A. <stapostol@gmail.com>
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//
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// Copyright (c) 2006-2014 Stefanos Apostolopoulos
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#endregion
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#pragma warning disable 0169, 0219
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using System;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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namespace OpenTK.Platform.Linux
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{
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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delegate int OpenRestrictedCallback(IntPtr path, int flags, IntPtr data);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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delegate void CloseRestrictedCallback(int fd, IntPtr data);
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class LibInput
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{
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internal const string lib = "libinput";
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[DllImport(lib, EntryPoint = "libinput_udev_create_for_seat", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr CreateContext(InputInterface @interface,
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IntPtr user_data, IntPtr udev, string seat_id);
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[DllImport(lib, EntryPoint = "libinput_destroy", CallingConvention = CallingConvention.Cdecl)]
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public static extern void DestroyContext(IntPtr libinput);
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[DllImport(lib, EntryPoint = "libinput_event_destroy", CallingConvention = CallingConvention.Cdecl)]
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public static extern void DestroyEvent(IntPtr @event);
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[DllImport(lib, EntryPoint = "libinput_device_get_sysname", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr DeviceGetNameInternal(IntPtr device);
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public static string DeviceGetName(IntPtr device)
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{
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unsafe
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{
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return new string((sbyte*)DeviceGetNameInternal(device));
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}
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}
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[DllImport(lib, EntryPoint = "libinput_device_get_user_data", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr DeviceGetData(IntPtr device);
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[DllImport(lib, EntryPoint = "libinput_device_set_user_data", CallingConvention = CallingConvention.Cdecl)]
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public static extern void DeviceSetData(IntPtr device, IntPtr user_data);
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[DllImport(lib, EntryPoint = "libinput_device_get_output_name", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr DeviceGetOutputNameInternal(IntPtr device);
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public static string DeviceGetOutputName(IntPtr device)
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{
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unsafe
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{
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sbyte* pname = (sbyte*)DeviceGetOutputNameInternal(device);
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return pname == null ? String.Empty : new string(pname);
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}
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}
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[DllImport(lib, EntryPoint = "libinput_device_get_seat", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr DeviceGetSeat(IntPtr device);
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[DllImport(lib, EntryPoint = "libinput_device_has_capability", CallingConvention = CallingConvention.Cdecl)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool DeviceHasCapability(IntPtr device, DeviceCapability capability);
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[DllImport(lib, EntryPoint = "libinput_dispatch", CallingConvention = CallingConvention.Cdecl)]
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public static extern int Dispatch(IntPtr libinput);
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[DllImport(lib, EntryPoint = "libinput_event_get_device", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr GetDevice(IntPtr @event);
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[DllImport(lib, EntryPoint = "libinput_get_event", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr GetEvent(IntPtr libinput);
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[DllImport(lib, EntryPoint = "libinput_event_get_keyboard_event", CallingConvention = CallingConvention.Cdecl)]
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public static extern KeyboardEvent GetKeyboardEvent(IntPtr @event);
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[DllImport(lib, EntryPoint = "libinput_event_get_pointer_event", CallingConvention = CallingConvention.Cdecl)]
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public static extern PointerEvent GetPointerEvent(IntPtr @event);
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[DllImport(lib, EntryPoint = "libinput_event_get_type", CallingConvention = CallingConvention.Cdecl)]
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public static extern InputEventType GetEventType(IntPtr @event);
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[DllImport(lib, EntryPoint = "libinput_get_fd", CallingConvention = CallingConvention.Cdecl)]
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public static extern int GetFD(IntPtr libinput);
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[DllImport(lib, EntryPoint = "libinput_next_event_type", CallingConvention = CallingConvention.Cdecl)]
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public static extern InputEventType NextEventType(IntPtr libinput);
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[DllImport(lib, EntryPoint = "libinput_resume", CallingConvention = CallingConvention.Cdecl)]
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public static extern void Resume(IntPtr libinput);
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[DllImport(lib, EntryPoint = "libinput_suspend", CallingConvention = CallingConvention.Cdecl)]
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public static extern void Suspend(IntPtr libinput);
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[DllImport(lib, EntryPoint = "libinput_seat_get_logical_name", CallingConvention = CallingConvention.Cdecl)]
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static extern public IntPtr SeatGetLogicalNameInternal(IntPtr seat);
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public static string SeatGetLogicalName(IntPtr seat)
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{
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unsafe
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{
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return new string((sbyte*)SeatGetLogicalNameInternal(seat));
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}
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}
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[DllImport(lib, EntryPoint = "libinput_seat_get_physical_name", CallingConvention = CallingConvention.Cdecl)]
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static extern public IntPtr SeatGetPhysicalNameInternal(IntPtr seat);
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public static string SeatGetPhysicalName(IntPtr seat)
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{
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unsafe
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{
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return new string((sbyte*)SeatGetPhysicalNameInternal(seat));
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}
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}
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}
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enum DeviceCapability
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{
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Keyboard = 0,
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Mouse,
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Touch
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}
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enum InputEventType
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{
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None = 0,
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DeviceAdded,
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DeviceRemoved,
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KeyboardKey = 300,
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PointerMotion = 400,
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PointerMotionAbsolute,
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PointerButton,
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PointerAxis,
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TouchDown = 500,
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TouchUP,
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TouchMotion,
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TouchCancel,
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/// \internal
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/// <summary>
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/// Signals the end of a set of touchpoints at one device sample
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/// time. This event has no coordinate information attached.
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/// </summary>
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TouchFrame
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}
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enum ButtonState
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{
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Released = 0,
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Pressed = 1
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}
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enum KeyState
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{
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Released = 0,
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Pressed = 1
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}
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enum PointerAxis
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{
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VerticalScroll = 0,
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HorizontalScroll = 1
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}
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struct Fixed24
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{
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internal readonly int Value;
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public static implicit operator double(Fixed24 n)
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{
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long l = ((1023L + 44L) << 52) + (1L << 51) + n.Value;
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unsafe
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{
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double d = *(double*)&l;
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return d - (3L << 43);
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}
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}
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public static implicit operator float(Fixed24 n)
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{
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return (float)(double)n;
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}
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public static explicit operator int(Fixed24 n)
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{
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return n.Value >> 8;
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}
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}
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[StructLayout(LayoutKind.Sequential)]
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class InputInterface
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{
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internal readonly IntPtr open;
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internal readonly IntPtr close;
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public InputInterface(
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OpenRestrictedCallback open_restricted,
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CloseRestrictedCallback close_restricted)
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{
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if (open_restricted == null || close_restricted == null)
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throw new ArgumentNullException();
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open = Marshal.GetFunctionPointerForDelegate(open_restricted);
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close = Marshal.GetFunctionPointerForDelegate(close_restricted);
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}
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}
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[StructLayout(LayoutKind.Sequential)]
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struct KeyboardEvent
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{
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IntPtr @event;
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public IntPtr BaseEvent { get { return GetBaseEvent(@event); } }
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public IntPtr Event { get { return @event; } }
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public uint Time { get { return GetTime(@event); } }
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public uint Key { get { return GetKey(@event); } }
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public uint KeyCount { get { return GetSeatKeyCount(@event); } }
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public KeyState KeyState { get { return GetKeyState(@event); } }
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_keyboard_get_time", CallingConvention = CallingConvention.Cdecl)]
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static extern uint GetTime(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_keyboard_get_base_event", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr GetBaseEvent(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_keyboard_get_seat_key_count", CallingConvention = CallingConvention.Cdecl)]
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static extern uint GetSeatKeyCount(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_keyboard_get_key", CallingConvention = CallingConvention.Cdecl)]
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static extern uint GetKey(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_keyboard_get_key_state", CallingConvention = CallingConvention.Cdecl)]
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static extern KeyState GetKeyState(IntPtr @event);
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}
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[StructLayout(LayoutKind.Sequential)]
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struct PointerEvent
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{
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IntPtr @event;
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public IntPtr BaseEvent { get { return GetBaseEvent(@event); } }
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public IntPtr Event { get { return @event; } }
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public uint Time { get { return GetTime(@event); } }
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public EvdevButton Button { get { return (EvdevButton)GetButton(@event); } }
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public uint ButtonCount { get { return GetButtonCount(@event); } }
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public ButtonState ButtonState { get { return GetButtonState(@event); } }
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public PointerAxis Axis { get { return GetAxis(@event); } }
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public Fixed24 AxisValue { get { return GetAxisValue(@event); } }
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public Fixed24 DeltaX { get { return GetDX(@event); } }
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public Fixed24 DeltaY { get { return GetDY(@event); } }
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public Fixed24 X { get { return GetAbsX(@event); } }
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public Fixed24 Y { get { return GetAbsY(@event); } }
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public Fixed24 TransformedX(int width) { return GetAbsXTransformed(@event, width); }
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public Fixed24 TransformedY(int height) { return GetAbsYTransformed(@event, height); }
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_time", CallingConvention = CallingConvention.Cdecl)]
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static extern uint GetTime(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_base_event", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr GetBaseEvent(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_seat_key_count", CallingConvention = CallingConvention.Cdecl)]
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static extern uint GetSeatKeyCount(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_button", CallingConvention = CallingConvention.Cdecl)]
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static extern uint GetButton(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_seat_button_count", CallingConvention = CallingConvention.Cdecl)]
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static extern uint GetButtonCount(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_button_state", CallingConvention = CallingConvention.Cdecl)]
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static extern ButtonState GetButtonState(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_axis", CallingConvention = CallingConvention.Cdecl)]
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static extern PointerAxis GetAxis(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_axis_value", CallingConvention = CallingConvention.Cdecl)]
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static extern Fixed24 GetAxisValue(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_dx", CallingConvention = CallingConvention.Cdecl)]
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static extern Fixed24 GetDX(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_dy", CallingConvention = CallingConvention.Cdecl)]
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static extern Fixed24 GetDY(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_absolute_x", CallingConvention = CallingConvention.Cdecl)]
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static extern Fixed24 GetAbsX(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_absolute_y", CallingConvention = CallingConvention.Cdecl)]
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static extern Fixed24 GetAbsY(IntPtr @event);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_absolute_x_transformed", CallingConvention = CallingConvention.Cdecl)]
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static extern Fixed24 GetAbsXTransformed(IntPtr @event, int width);
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[DllImport(LibInput.lib, EntryPoint = "libinput_event_pointer_get_absolute_y_transformed", CallingConvention = CallingConvention.Cdecl)]
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static extern Fixed24 GetAbsYTransformed(IntPtr @event, int height);
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}
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}
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