mirror of
https://github.com/Ryujinx/Opentk.git
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Fix: Implement custom procfs watcher for connect / disconnect events (#7)
* Fix: Implement custom procfs watcher for connect / disconnect events * fix encoding on build files * Update travis CI * Use last supported framework on CI Co-authored-by: Christopher Lees <leezer3@gmail.com>
This commit is contained in:
Alberto Fanjul
GitHub
parent
bf2d7049a1
commit
af6c86ad19
976
.gitignore
vendored
976
.gitignore
vendored
File diff suppressed because it is too large
Load diff
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@ -2,14 +2,15 @@ language: csharp
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sudo: false # use the new container-based Travis infrastructure
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services:
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- xvfb
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before_install:
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- chmod +x build.sh
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before_script:
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# Start a virtual framebuffer as described: https://docs.travis-ci.com/user/gui-and-headless-browsers/
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- "export DISPLAY=:99.0"
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- "sh -e /etc/init.d/xvfb start"
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- sleep 3 # give xvfb some time to start
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script:
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- travis_wait ./build.sh NuGet
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22
appveyor.yml
22
appveyor.yml
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@ -1,11 +1,11 @@
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i m a g e : V i s u a l S t u d i o 2 0 1 7
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i n i t :
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- g i t c o n f i g - - g l o b a l c o r e . a u t o c r l f i n p u t
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b u i l d _ s c r i p t :
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- c m d : b u i l d . c m d N u G e t
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- c m d : . p a k e t \ p a k e t . e x e i n s t a l l
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- c m d : g i t d i f f - - e x i t - c o d e
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t e s t : o f f
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v e r s i o n : 0 . 0 . 1 . { b u i l d }
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a r t i f a c t s :
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- p a t h : ' b i n \ * . n u p k g '
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image: Visual Studio 2017
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init:
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- git config --global core.autocrlf input
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build_script:
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- cmd: build.cmd NuGet
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- cmd: .paket\paket.exe install
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- cmd: git diff --exit-code
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test: off
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version: 0.0.1.{build}
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artifacts:
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- path: 'bin\*.nupkg'
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44
build.cmd
44
build.cmd
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@ -1,28 +1,28 @@
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@ e c h o o f f
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c l s
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@echo off
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cls
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. p a k e t \ p a k e t . b o o t s t r a p p e r . e x e
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i f e r r o r l e v e l 1 (
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e x i t / b % e r r o r l e v e l %
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)
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.paket\paket.bootstrapper.exe
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if errorlevel 1 (
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exit /b %errorlevel%
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)
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. p a k e t \ p a k e t . e x e r e s t o r e
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i f e r r o r l e v e l 1 (
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e x i t / b % e r r o r l e v e l %
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)
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.paket\paket.exe restore
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if errorlevel 1 (
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exit /b %errorlevel%
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)
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I F N O T E X I S T b u i l d . f s x (
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. p a k e t \ p a k e t . e x e u p d a t e
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p a c k a g e s \ F A K E \ t o o l s \ F A K E . e x e i n i t . f s x
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)
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IF NOT EXIST build.fsx (
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.paket\paket.exe update
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packages\FAKE\tools\FAKE.exe init.fsx
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)
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S E T B u i l d T a r g e t =
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i f " % B u i l d R u n n e r % " = = " M y G e t " (
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S E T B u i l d T a r g e t = N u G e t
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SET BuildTarget=
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if "%BuildRunner%" == "MyGet" (
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SET BuildTarget=NuGet
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: : R e p l a c e t h e e x i s t i n g r e l e a s e n o t e s f i l e w i t h o n e f o r t h i s b u i l d o n l y
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e c h o # # # % P a c k a g e V e r s i o n % > R E L E A S E _ N O T E S . m d
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e c h o * g i t b u i l d > > R E L E A S E _ N O T E S . m d
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)
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:: Replace the existing release notes file with one for this build only
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echo ### %PackageVersion% > RELEASE_NOTES.md
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echo * git build >> RELEASE_NOTES.md
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)
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p a c k a g e s \ F A K E \ t o o l s \ F A K E . e x e b u i l d . f s x % * % B u i l d T a r g e t %
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packages\FAKE\tools\FAKE.exe build.fsx %* %BuildTarget%
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56
build.sh
56
build.sh
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@ -1,36 +1,36 @@
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# ! / u s r / b i n / e n v b a s h
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#!/usr/bin/env bash
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s e t - e u
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s e t - o p i p e f a i l
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set -eu
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set -o pipefail
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c d ` d i r n a m e $ 0 `
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cd `dirname $0`
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F S I A R G S = " "
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O S = $ { O S : - " u n k n o w n " }
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i f [ [ " $ O S " ! = " W i n d o w s _ N T " ] ]
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t h e n
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F S I A R G S = " - - f s i a r g s - d : M O N O "
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f i
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FSIARGS=""
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OS=${OS:-"unknown"}
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if [[ "$OS" != "Windows_NT" ]]
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then
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FSIARGS="--fsiargs -d:MONO"
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fi
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f u n c t i o n r u n ( ) {
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i f [ [ " $ O S " ! = " W i n d o w s _ N T " ] ]
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t h e n
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m o n o " $ @ "
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e l s e
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" $ @ "
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f i
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}
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function run() {
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if [[ "$OS" != "Windows_NT" ]]
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then
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mono "$@"
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else
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"$@"
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fi
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}
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r u n . p a k e t / p a k e t . b o o t s t r a p p e r . e x e
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run .paket/paket.bootstrapper.exe
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i f [ [ " $ O S " ! = " W i n d o w s _ N T " ] ] & &
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[ ! - e ~ / . c o n f i g / . m o n o / c e r t s ]
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t h e n
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m o z r o o t s - - i m p o r t - - s y n c - - q u i e t
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f i
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if [[ "$OS" != "Windows_NT" ]] &&
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[ ! -e ~/.config/.mono/certs ]
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then
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mozroots --import --sync --quiet
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fi
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r u n . p a k e t / p a k e t . e x e r e s t o r e
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run .paket/paket.exe restore
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[ ! - e b u i l d . f s x ] & & r u n . p a k e t / p a k e t . e x e u p d a t e
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[ ! - e b u i l d . f s x ] & & r u n p a c k a g e s / F A K E / t o o l s / F A K E . e x e i n i t . f s x
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r u n p a c k a g e s / F A K E / t o o l s / F A K E . e x e " $ @ " $ F S I A R G S b u i l d . f s x
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[ ! -e build.fsx ] && run .paket/paket.exe update
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[ ! -e build.fsx ] && run packages/FAKE/tools/FAKE.exe init.fsx
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run packages/FAKE/tools/FAKE.exe "$@" $FSIARGS build.fsx
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@ -1,7 +1,7 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<AssemblyName>OpenTK</AssemblyName>
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<TargetFramework>netstandard2.1</TargetFramework>
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<TargetFramework>netstandard2.0</TargetFramework>
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<RootNamespace>OpenTK</RootNamespace>
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<DefineConstants>$(DefineConstants);WIN32;CARBON;X11;SDL2;OPENGL;OPENGLES;MINIMAL</DefineConstants>
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</PropertyGroup>
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@ -27,6 +27,8 @@ using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Security.Cryptography;
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using System.Threading;
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using OpenTK.Input;
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namespace OpenTK.Platform.Linux
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@ -71,32 +73,164 @@ namespace OpenTK.Platform.Linux
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private readonly object sync = new object();
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private readonly FileSystemWatcher watcher = new FileSystemWatcher();
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private readonly DeviceCollection<LinuxJoystickDetails> Sticks =
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new DeviceCollection<LinuxJoystickDetails>();
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private bool disposed;
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private volatile bool disposed;
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private const string InputDevicePath = "/proc/bus/input/devices";
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/// <summary>The evdev path on recent Xorg versions</summary>
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private static readonly string JoystickPath = "/dev/input";
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/// <summary>The legacy evdev fallback Xorg path</summary>
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private static readonly string JoystickPathLegacy = "/dev";
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/// <summary>Thread used to monitor ProcFS for changes in order to support hotplugging of joysticks</summary>
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private readonly Thread ProcFSMonitorThread;
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/// <summary>Gets the actual evdev path used by the XOrg server</summary>
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/// <remarks>See <see href="https://www.kernel.org/doc/Documentation/input/input.txt">the Linux kernel documentation</see> for further details.</remarks>
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private string EvdevPath
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{
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get
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{
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return Directory.Exists(JoystickPath) ? JoystickPath :
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Directory.Exists(JoystickPathLegacy) ? JoystickPathLegacy :
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String.Empty;
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}
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}
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public LinuxJoystick()
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{
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string path =
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Directory.Exists(JoystickPath) ? JoystickPath :
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Directory.Exists(JoystickPathLegacy) ? JoystickPathLegacy :
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String.Empty;
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if (!String.IsNullOrEmpty(path))
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ProcFSMonitorThread = new Thread(ProcessEvents);
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ProcFSMonitorThread.IsBackground = true;
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ProcFSMonitorThread.Start();
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//Populate the initial list of joysticks
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if (!String.IsNullOrEmpty(EvdevPath))
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{
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watcher.Path = path;
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watcher.Created += JoystickAdded;
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watcher.Deleted += JoystickRemoved;
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watcher.EnableRaisingEvents = true;
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OpenJoysticks(path);
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OpenJoysticks(EvdevPath);
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}
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}
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private readonly MD5 Hasher = MD5.Create();
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private string procHash;
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private void ProcessEvents()
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{
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if (!File.Exists(InputDevicePath))
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{
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//BSD may not have the Linux ProcFS, no use running a pointless loop
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return;
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}
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while (!disposed)
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{
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/*
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* Rather hacky filesystemwatcher equivilant, as it doesn't work on ProcFS
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* As the thing is psuedo-files, we can't use the last modified date either
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* We have to load the thing into a stream and hash. At least it's only a few bytes.....
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*
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* Note: We could possibly override the Mono filesystem watcher backend, but this is a global variable only
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* and so may break user code
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*/
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Thread.Sleep(750); //750ms is the Mono default for the file hashing version of FileSystemWatcher backend
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List<int> connectedDevices;
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using (FileStream stream = new FileStream(InputDevicePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
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{
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string newHash = BitConverter.ToString(Hasher.ComputeHash(stream));
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if (newHash == procHash)
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{
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//Hash of /proc/bus/input/devices has not changed, hence no new devices added / removed
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continue;
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}
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stream.Seek( 0, 0);
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connectedDevices = GetConnectedDevices(stream);
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procHash = newHash;
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OpenJoysticks(EvdevPath);
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}
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List<int> xboxPadCandidates = new List<int>();
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foreach (LinuxJoystickDetails stick in Sticks)
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{
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if (connectedDevices.Contains(stick.PathIndex))
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{
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if (stick.Caps.AxisCount == 6 && stick.Caps.ButtonCount == 11 && stick.Caps.HatCount == 2)
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{
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xboxPadCandidates.Add(stick.PathIndex);
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}
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else
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{
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stick.Caps.SetIsConnected(true);
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stick.State.SetIsConnected(true);
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}
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}
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else
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{
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stick.State.SetIsConnected(false);
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stick.Caps.SetIsConnected(false);
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}
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}
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if (xboxPadCandidates.Count < 4)
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{
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/*
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* The XBox wireless reciever generates 4 sticks which may not have anything connected to them
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* If there are less than 4, this can't be this (or it's been fixed evdev side in the meantime)
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* so let's set them as connected
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*/
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foreach (int idx in xboxPadCandidates)
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{
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LinuxJoystickDetails stick = Sticks.FromHardwareId(idx);
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if (stick != null)
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{
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stick.Caps.SetIsConnected(true);
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stick.State.SetIsConnected(true);
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}
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}
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}
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}
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}
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/// <summary>Gets the list of connected device IDs</summary>
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/// <param name="stream">The filestream to /proc/bus/input/devices</param>
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/// <returns>The list of connected device IDs, or an empty list if no devices are connected</returns>
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private List<int> GetConnectedDevices(FileStream stream)
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{
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List<int> connectedDevices = new List<int>();
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using (StreamReader reader = new StreamReader(stream))
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{
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while (!reader.EndOfStream)
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{
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string currentLine = reader.ReadLine();
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if (string.IsNullOrEmpty(currentLine))
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{
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continue;
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}
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switch (char.ToLower(currentLine[0]))
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{
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case 'h':
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string[] handlers = currentLine.Substring(currentLine.IndexOf('=') + 1).Trim().Split(' ');
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foreach (string handler in handlers)
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{
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if (handler.StartsWith("event", StringComparison.InvariantCultureIgnoreCase))
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{
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//As device is in /proc/bus/input/devices it is connected, so pull out the evdev ID
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int evdevID = int.Parse(handler.Substring(5));
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connectedDevices.Add(evdevID);
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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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return connectedDevices;
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}
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private void OpenJoysticks(string path)
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{
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lock (sync)
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@ -126,31 +260,6 @@ namespace OpenTK.Platform.Linux
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return -1;
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}
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private void JoystickAdded(object sender, FileSystemEventArgs e)
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{
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lock (sync)
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{
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OpenJoystick(e.FullPath);
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}
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}
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private void JoystickRemoved(object sender, FileSystemEventArgs e)
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{
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lock (sync)
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{
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string file = Path.GetFileName(e.FullPath);
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int number = GetJoystickNumber(file);
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if (number != -1)
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{
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var stick = Sticks.FromHardwareId(number);
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if (stick != null)
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{
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CloseJoystick(stick);
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}
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}
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}
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}
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private Guid CreateGuid(EvdevInputId id, string name)
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{
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// Note: the first 8bytes of the Guid are byteswapped
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@ -352,6 +461,7 @@ namespace OpenTK.Platform.Linux
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return new JoystickHatState(HatPositions[x, y]);
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}
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private void PollJoystick(LinuxJoystickDetails js)
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{
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unsafe
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@ -367,10 +477,7 @@ namespace OpenTK.Platform.Linux
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{
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break;
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}
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// Only mark the joystick as connected when we actually start receiving events.
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// Otherwise, the Xbox wireless receiver will register 4 joysticks even if no
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// actual joystick is connected to the receiver.
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//As we've received an event, this must be connected!
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js.Caps.SetIsConnected(true);
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js.State.SetIsConnected(true);
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@ -446,9 +553,6 @@ namespace OpenTK.Platform.Linux
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}
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}
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private static readonly string JoystickPath = "/dev/input";
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private static readonly string JoystickPathLegacy = "/dev";
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public void Dispose()
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{
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Dispose(true);
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@ -462,8 +566,6 @@ namespace OpenTK.Platform.Linux
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if (manual)
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{
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}
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watcher.Dispose();
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foreach (LinuxJoystickDetails js in Sticks)
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{
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CloseJoystick(js);
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|
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