mirror of
https://github.com/Ryujinx/Opentk.git
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a3e47a2431
These valuators are not available on all systems. We now check explicitly for support, instead of returning invalid results. Additionally, unknown valuator names are now printed to the debug log.
690 lines
28 KiB
C#
690 lines
28 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2010 the Open Toolkit library.
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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 to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// 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 all
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// 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,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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using System.Threading;
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using OpenTK.Input;
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namespace OpenTK.Platform.X11
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{
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sealed class XI2MouseKeyboard : IKeyboardDriver2, IMouseDriver2, IDisposable
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{
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static readonly IntPtr ExitAtom;
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readonly object Sync = new object();
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readonly Thread ProcessingThread;
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readonly X11KeyMap KeyMap;
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bool disposed;
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class XIMouse
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{
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public MouseState State;
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public XIDeviceInfo DeviceInfo;
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public XIScrollClassInfo ScrollX = new XIScrollClassInfo { number = -1 };
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public XIScrollClassInfo ScrollY = new XIScrollClassInfo { number = -1 };
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public XIValuatorClassInfo MotionX = new XIValuatorClassInfo { number = -1 };
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public XIValuatorClassInfo MotionY = new XIValuatorClassInfo { number = -1 };
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public string Name;
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}
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class XIKeyboard
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{
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public KeyboardState State;
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public XIDeviceInfo DeviceInfo;
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public string Name;
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}
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// Atoms
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//static readonly IntPtr ButtonLeft;
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//static readonly IntPtr ButtonMiddle;
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////static readonly IntPtr ButtonRight;
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//static readonly IntPtr ButtonWheelUp;
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//static readonly IntPtr ButtonWheelDown;
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//static readonly IntPtr ButtonWheelLeft;
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//static readonly IntPtr ButtonWheelRight;
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static readonly IntPtr RelX;
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static readonly IntPtr RelY;
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//static readonly IntPtr RelHorizScroll;
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//static readonly IntPtr RelVertScroll;
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//static readonly IntPtr RelHorizWheel;
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//static readonly IntPtr RelVertWheel;
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long cursor_x, cursor_y; // For GetCursorState()
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List<XIMouse> devices = new List<XIMouse>(); // list of connected mice
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Dictionary<int, int> rawids = new Dictionary<int, int>(); // maps hardware device ids to XIMouse ids
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List<XIKeyboard> keyboards = new List<XIKeyboard>(); // list of connected keybords
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Dictionary<int, int> keyboard_ids = new Dictionary<int, int>(); // maps hardware device ids to XIKeyboard ids
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internal readonly X11WindowInfo window;
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internal static int XIOpCode { get; private set; }
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internal static int XIVersion { get; private set; }
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static readonly Functions.EventPredicate PredicateImpl = IsEventValid;
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readonly IntPtr Predicate = Marshal.GetFunctionPointerForDelegate(PredicateImpl);
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static XI2MouseKeyboard()
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{
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using (new XLock(API.DefaultDisplay))
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{
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// Mouse
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//ButtonLeft = Functions.XInternAtom(API.DefaultDisplay, "Button Left", false);
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//ButtonMiddle = Functions.XInternAtom(API.DefaultDisplay, "Button Middle", false);
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//ButtonRight = Functions.XInternAtom(API.DefaultDisplay, "Button Right", false);
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//ButtonWheelUp = Functions.XInternAtom(API.DefaultDisplay, "Button Wheel Up", false);
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//ButtonWheelDown = Functions.XInternAtom(API.DefaultDisplay, "Button Wheel Down", false);
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//ButtonWheelLeft = Functions.XInternAtom(API.DefaultDisplay, "Button Horiz Wheel Left", false);
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//ButtonWheelRight = Functions.XInternAtom(API.DefaultDisplay, "Button Horiz Wheel Right", false);
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RelX = Functions.XInternAtom(API.DefaultDisplay, "Rel X", false);
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RelY = Functions.XInternAtom(API.DefaultDisplay, "Rel Y", false);
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//RelHorizWheel = Functions.XInternAtom(API.DefaultDisplay, "Rel Horiz Wheel", false);
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//RelVertWheel = Functions.XInternAtom(API.DefaultDisplay, "Rel Vert Wheel", false);
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//RelHorizScroll = Functions.XInternAtom(API.DefaultDisplay, "Rel Horiz Scroll", false);
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//RelVertScroll = Functions.XInternAtom(API.DefaultDisplay, "Rel Vert Scroll", false);
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// Multitouch
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//TouchX = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Position X", false);
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//TouchY = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Position Y", false);
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//TouchMajor = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Touch Major", false);
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//TouchMinor = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Touch Minor", false);
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//TouchPressure = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Pressure", false);
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//TouchId = Functions.XInternAtom(API.DefaultDisplay, "Abs MT Tracking ID", false);
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//TouchMaxContacts = Functions.XInternAtom(API.DefaultDisplay, "Max Contacts", false);
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// Custom
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ExitAtom = Functions.XInternAtom(API.DefaultDisplay, "Exit Input Thread Message", false);
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}
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}
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public XI2MouseKeyboard()
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{
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window = new X11WindowInfo();
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window.Display = Functions.XOpenDisplay(IntPtr.Zero);
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using (new XLock(window.Display))
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{
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XSetWindowAttributes attr = new XSetWindowAttributes();
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window.Screen = Functions.XDefaultScreen(window.Display);
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window.RootWindow = Functions.XRootWindow(window.Display, window.Screen);
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window.Handle = Functions.XCreateWindow(window.Display, window.RootWindow,
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0, 0, 1, 1, 0, 0,
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CreateWindowArgs.InputOnly, IntPtr.Zero,
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SetWindowValuemask.Nothing, attr);
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KeyMap = new X11KeyMap(window.Display);
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}
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if (!IsSupported(window.Display))
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throw new NotSupportedException("XInput2 not supported.");
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// Enable XI2 mouse/keyboard events
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// Note: the input event loop blocks waiting for these events
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// *or* a custom ClientMessage event that instructs us to exit.
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// See SendExitEvent() below.
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using (new XLock(window.Display))
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using (XIEventMask mask = new XIEventMask(1,
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XIEventMasks.RawKeyPressMask |
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XIEventMasks.RawKeyReleaseMask |
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XIEventMasks.RawButtonPressMask |
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XIEventMasks.RawButtonReleaseMask |
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XIEventMasks.RawMotionMask |
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XIEventMasks.MotionMask |
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XIEventMasks.DeviceChangedMask))
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{
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XI.SelectEvents(window.Display, window.RootWindow, mask);
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UpdateDevices();
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}
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ProcessingThread = new Thread(ProcessEvents);
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ProcessingThread.IsBackground = true;
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ProcessingThread.Start();
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}
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// Checks whether XInput2 is supported on the specified display.
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// If a display is not specified, the default display is used.
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internal static bool IsSupported(IntPtr display)
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{
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try
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{
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if (display == IntPtr.Zero)
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{
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display = API.DefaultDisplay;
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}
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using (new XLock(display))
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{
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int major, ev, error;
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if (Functions.XQueryExtension(display, "XInputExtension", out major, out ev, out error) != 0)
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{
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XIOpCode = major;
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int minor = 2;
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while (minor >= 0)
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{
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if (XI.QueryVersion(display, ref major, ref minor) == ErrorCodes.Success)
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{
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XIVersion = major * 100 + minor * 10;
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return true;
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}
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minor--;
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}
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}
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}
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}
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catch (DllNotFoundException e)
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{
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Debug.Print(e.ToString());
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Debug.Print("XInput2 extension not supported. Mouse support will suffer.");
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}
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return false;
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}
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#region IKeyboardDriver2 Members
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KeyboardState IKeyboardDriver2.GetState()
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{
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lock (Sync)
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{
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KeyboardState state = new KeyboardState();
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foreach (XIKeyboard k in keyboards)
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{
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state.MergeBits(k.State);
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}
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return state;
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}
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}
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KeyboardState IKeyboardDriver2.GetState(int index)
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{
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lock (Sync)
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{
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if (index >= 0 && index < keyboards.Count)
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{
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return keyboards[index].State;
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}
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return new KeyboardState();
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}
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}
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string IKeyboardDriver2.GetDeviceName(int index)
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{
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lock (Sync)
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{
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if (index >= 0 && index < keyboards.Count)
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{
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return keyboards[index].Name;
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}
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return String.Empty;
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}
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}
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#endregion
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#region IMouseDriver2 Members
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MouseState IMouseDriver2.GetState()
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{
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lock (Sync)
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{
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MouseState master = new MouseState();
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foreach (var d in devices)
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{
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master.MergeBits(d.State);
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}
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return master;
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}
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}
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MouseState IMouseDriver2.GetState(int index)
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{
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lock (Sync)
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{
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if (index >= 0 && index < devices.Count)
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{
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return devices[index].State;
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}
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return new MouseState();
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}
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}
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MouseState IMouseDriver2.GetCursorState()
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{
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lock (Sync)
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{
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MouseState master = (this as IMouseDriver2).GetState();
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master.X = (int)Interlocked.Read(ref cursor_x);
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master.Y = (int)Interlocked.Read(ref cursor_y);
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return master;
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}
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}
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void IMouseDriver2.SetPosition(double x, double y)
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{
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// Note: we cannot use window.Display here, because
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// that will deadlock the input thread, which is
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// blocking inside XIfEvent
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using (new XLock(API.DefaultDisplay))
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{
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Functions.XWarpPointer(API.DefaultDisplay,
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IntPtr.Zero, window.RootWindow, 0, 0, 0, 0, (int)x, (int)y);
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Functions.XFlush(API.DefaultDisplay);
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Interlocked.Exchange(ref cursor_x, (long)x);
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Interlocked.Exchange(ref cursor_y, (long)y);
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}
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}
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#endregion
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#region Private Members
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void UpdateDevices()
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{
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lock (Sync)
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{
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devices.Clear();
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keyboards.Clear();
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int count;
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unsafe
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{
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XIDeviceInfo* list = (XIDeviceInfo*)XI.QueryDevice(window.Display,
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XI.XIAllDevices, out count);
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Debug.Print("Refreshing input device list");
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Debug.Print("{0} input devices detected", count);
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for (int i = 0; i < count; i++)
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{
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switch ((list + i)->use)
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{
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case XIDeviceType.MasterKeyboard:
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//case XIDeviceType.SlaveKeyboard:
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{
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XIKeyboard k = new XIKeyboard();
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k.DeviceInfo = *(list + i);
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k.State.SetIsConnected(k.DeviceInfo.enabled);
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k.Name = Marshal.PtrToStringAnsi(k.DeviceInfo.name);
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int id = k.DeviceInfo.deviceid;
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if (!keyboard_ids.ContainsKey(id))
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{
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keyboard_ids.Add(k.DeviceInfo.deviceid, 0);
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}
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keyboard_ids[id] = keyboards.Count;
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keyboards.Add(k);
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}
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break;
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case XIDeviceType.MasterPointer:
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//case XIDeviceType.SlavePointer:
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case XIDeviceType.FloatingSlave:
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{
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XIMouse d = new XIMouse();
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d.DeviceInfo = *(list + i);
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d.State.SetIsConnected(d.DeviceInfo.enabled);
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d.Name = Marshal.PtrToStringAnsi(d.DeviceInfo.name);
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Debug.Print("Device {0} \"{1}\" is {2} and has:",
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i, d.Name, d.DeviceInfo.enabled ? "enabled" : "disabled");
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// Decode the XIDeviceInfo to axes, buttons and scroll types
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for (int j = 0; j < d.DeviceInfo.num_classes; j++)
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{
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XIAnyClassInfo* class_info = *((XIAnyClassInfo**)d.DeviceInfo.classes + j);
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switch (class_info->type)
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{
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case XIClassType.Button:
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{
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XIButtonClassInfo* button = (XIButtonClassInfo*)class_info;
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Debug.Print("\t{0} buttons", button->num_buttons);
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}
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break;
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case XIClassType.Scroll:
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{
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XIScrollClassInfo* scroll = (XIScrollClassInfo*)class_info;
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switch (scroll->scroll_type)
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{
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case XIScrollType.Vertical:
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Debug.WriteLine("\tSmooth vertical scrolling");
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d.ScrollY = *scroll;
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break;
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case XIScrollType.Horizontal:
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Debug.WriteLine("\tSmooth horizontal scrolling");
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d.ScrollX = *scroll;
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break;
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default:
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Debug.Print("\tUnknown scrolling type {0}", scroll->scroll_type);
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break;
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}
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}
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break;
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case XIClassType.Valuator:
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{
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XIValuatorClassInfo* valuator = (XIValuatorClassInfo*)class_info;
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if (valuator->label == RelX)
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{
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Debug.WriteLine("\tRelative X movement");
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d.MotionX = *valuator;
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}
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else if (valuator->label == RelY)
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{
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Debug.WriteLine("\tRelative Y movement");
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d.MotionY = *valuator;
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}
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else
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{
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IntPtr label = Functions.XGetAtomName(window.Display, valuator->label);
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Debug.Print("\tUnknown valuator {0}",
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Marshal.PtrToStringAnsi(label));
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Functions.XFree(label);
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}
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}
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break;
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}
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}
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// Map the hardware device id to the current XIMouse id
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int id = d.DeviceInfo.deviceid;
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if (!rawids.ContainsKey(id))
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{
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rawids.Add(id, 0);
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}
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rawids[id] = devices.Count;
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devices.Add(d);
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}
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break;
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}
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}
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XI.FreeDeviceInfo((IntPtr)list);
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}
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}
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}
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void ProcessEvents()
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{
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while (!disposed)
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{
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XEvent e = new XEvent();
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XGenericEventCookie cookie;
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using (new XLock(window.Display))
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{
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Functions.XIfEvent(window.Display, ref e, Predicate, new IntPtr(XIOpCode));
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if (e.type == XEventName.ClientMessage && e.ClientMessageEvent.ptr1 == ExitAtom)
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{
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Functions.XDestroyWindow(window.Display, window.Handle);
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window.Handle = IntPtr.Zero;
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break;
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}
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if (e.type == XEventName.GenericEvent && e.GenericEvent.extension == XIOpCode)
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{
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IntPtr dummy;
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int x, y, dummy2;
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Functions.XQueryPointer(window.Display, window.RootWindow,
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out dummy, out dummy, out x, out y,
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out dummy2, out dummy2, out dummy2);
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Interlocked.Exchange(ref cursor_x, (long)x);
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Interlocked.Exchange(ref cursor_y, (long)y);
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cookie = e.GenericEventCookie;
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if (Functions.XGetEventData(window.Display, ref cookie) != 0)
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{
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switch ((XIEventType)cookie.evtype)
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{
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case XIEventType.Motion:
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// Nothing to do
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break;
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case XIEventType.RawKeyPress:
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case XIEventType.RawKeyRelease:
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case XIEventType.RawMotion:
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case XIEventType.RawButtonPress:
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case XIEventType.RawButtonRelease:
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// Delivered to all XIMouse instances
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ProcessRawEvent(ref cookie);
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break;
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case XIEventType.DeviceChanged:
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UpdateDevices();
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break;
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}
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}
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Functions.XFreeEventData(window.Display, ref cookie);
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}
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}
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}
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Debug.WriteLine("[X11] Exiting input event loop.");
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}
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void ProcessRawEvent(ref XGenericEventCookie cookie)
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{
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lock (Sync)
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{
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unsafe
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{
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XIRawEvent raw = *(XIRawEvent*)cookie.data;
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XIMouse mouse;
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XIKeyboard keyboard;
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switch (raw.evtype)
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{
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case XIEventType.RawMotion:
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if (GetMouseDevice(raw.deviceid, out mouse))
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{
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ProcessRawMotion(mouse, ref raw);
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}
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break;
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case XIEventType.RawButtonPress:
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case XIEventType.RawButtonRelease:
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if (GetMouseDevice(raw.deviceid, out mouse))
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{
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float dx, dy;
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MouseButton button = X11KeyMap.TranslateButton(raw.detail, out dx, out dy);
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mouse.State[button] = raw.evtype == XIEventType.RawButtonPress;
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}
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break;
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case XIEventType.RawKeyPress:
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case XIEventType.RawKeyRelease:
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if (GetKeyboardDevice(raw.deviceid, out keyboard))
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{
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Key key;
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if (KeyMap.TranslateKey(raw.detail, out key))
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{
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keyboard.State[key] = raw.evtype == XIEventType.RawKeyPress;
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}
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}
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break;
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}
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}
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}
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}
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bool GetMouseDevice(int deviceid, out XIMouse mouse)
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{
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|
if (!rawids.ContainsKey(deviceid))
|
|
{
|
|
Debug.Print("Unknown mouse device {0} encountered, ignoring.", deviceid);
|
|
mouse = null;
|
|
return false;
|
|
}
|
|
mouse = devices[rawids[deviceid]];
|
|
return true;
|
|
}
|
|
|
|
bool GetKeyboardDevice(int deviceid, out XIKeyboard keyboard)
|
|
{
|
|
if (!keyboard_ids.ContainsKey(deviceid))
|
|
{
|
|
Debug.Print("Unknown keyboard device {0} encountered, ignoring.", deviceid);
|
|
keyboard = null;
|
|
return false;
|
|
}
|
|
keyboard = keyboards[keyboard_ids[deviceid]];
|
|
return true;
|
|
}
|
|
|
|
unsafe static void ProcessRawMotion(XIMouse d, ref XIRawEvent raw)
|
|
{
|
|
// Note: we use the raw values here, without pointer
|
|
// ballistics and any other modification.
|
|
double x = 0;
|
|
double y = 0;
|
|
double h = 0;
|
|
double v = 0;
|
|
if (d.MotionX.number != -1)
|
|
x = ReadRawValue(ref raw, d.MotionX.number);
|
|
if (d.MotionY.number != -1)
|
|
y = ReadRawValue(ref raw, d.MotionY.number);
|
|
if (d.ScrollX.number != -1)
|
|
h = ReadRawValue(ref raw, d.ScrollX.number) / d.ScrollX.increment;
|
|
if (d.ScrollY.number != -1)
|
|
v = ReadRawValue(ref raw, d.ScrollY.number) / d.ScrollY.increment;
|
|
|
|
d.State.X += (int)Math.Round(x);
|
|
d.State.Y += (int)Math.Round(y);
|
|
|
|
// Note: OpenTK follows the windows scrolling convention where
|
|
// (+h, +v) = (right, up). XI2 uses (+h, +v) = (right, down)
|
|
// instead, so we need to flip the vertical offset.
|
|
d.State.SetScrollRelative((float)h, (float)(-v));
|
|
}
|
|
|
|
unsafe static double ReadRawValue(ref XIRawEvent raw, int bit)
|
|
{
|
|
double value = 0;
|
|
if (IsBitSet(raw.valuators.mask, bit))
|
|
{
|
|
// Find the offset where this value is stored.
|
|
// The offset is equal to the number of bits
|
|
// set in raw.valuators.mask between [0, bit)
|
|
int offset = 0;
|
|
for (int i = 0; i < bit; i++)
|
|
{
|
|
if (IsBitSet(raw.valuators.mask, i))
|
|
{
|
|
offset++;
|
|
}
|
|
}
|
|
value = *((double*)raw.raw_values + offset);
|
|
}
|
|
return value;
|
|
}
|
|
|
|
static bool IsEventValid(IntPtr display, ref XEvent e, IntPtr arg)
|
|
{
|
|
bool valid = false;
|
|
switch (e.type)
|
|
{
|
|
case XEventName.GenericEvent:
|
|
{
|
|
long extension = (long)e.GenericEventCookie.extension;
|
|
valid =
|
|
extension == arg.ToInt64() &&
|
|
(e.GenericEventCookie.evtype == (int)XIEventType.RawKeyPress ||
|
|
e.GenericEventCookie.evtype == (int)XIEventType.RawKeyRelease ||
|
|
e.GenericEventCookie.evtype == (int)XIEventType.RawMotion ||
|
|
e.GenericEventCookie.evtype == (int)XIEventType.RawButtonPress ||
|
|
e.GenericEventCookie.evtype == (int)XIEventType.RawButtonRelease ||
|
|
e.GenericEventCookie.evtype == (int)XIEventType.DeviceChanged);
|
|
valid |= extension == 0;
|
|
break;
|
|
}
|
|
|
|
case XEventName.ClientMessage:
|
|
valid =
|
|
e.ClientMessageEvent.ptr1 == ExitAtom;
|
|
break;
|
|
}
|
|
|
|
return valid;
|
|
}
|
|
|
|
static bool IsBitSet(IntPtr mask, int bit)
|
|
{
|
|
unsafe
|
|
{
|
|
return bit >= 0 && (*((byte*)mask + (bit >> 3)) & (1 << (bit & 7))) != 0;
|
|
}
|
|
}
|
|
|
|
void SendExitEvent()
|
|
{
|
|
// Send a ClientMessage event to unblock XIfEvent
|
|
// and exit the input event loop.
|
|
using (new XLock(API.DefaultDisplay))
|
|
{
|
|
XEvent ev = new XEvent();
|
|
ev.type = XEventName.ClientMessage;
|
|
ev.ClientMessageEvent.display = window.Display;
|
|
ev.ClientMessageEvent.window = window.Handle;
|
|
ev.ClientMessageEvent.format = 32;
|
|
ev.ClientMessageEvent.ptr1 = ExitAtom;
|
|
Functions.XSendEvent(API.DefaultDisplay, window.Handle, false, 0, ref ev);
|
|
Functions.XFlush(API.DefaultDisplay);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IDisposable Members
|
|
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
void Dispose(bool disposing)
|
|
{
|
|
if (!disposed)
|
|
{
|
|
disposed = true;
|
|
SendExitEvent();
|
|
}
|
|
}
|
|
|
|
~XI2MouseKeyboard()
|
|
{
|
|
Dispose(false);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|
|
|