From 21bcc5eae19aebb34cba4f0284dc3da3ae1bebbf Mon Sep 17 00:00:00 2001
From: thefiddler <stapostol@gmail.com>
Date: Fri, 18 Jul 2014 09:02:01 +0200
Subject: [PATCH] [Linux] Print libinput seat for each detected device

---
 Source/OpenTK/Platform/Linux/Bindings/LibInput.cs | 23 +++++++++++++++
 Source/OpenTK/Platform/Linux/LinuxInput.cs        | 34 +++++++++++++++++++++--
 2 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/Source/OpenTK/Platform/Linux/Bindings/LibInput.cs b/Source/OpenTK/Platform/Linux/Bindings/LibInput.cs
index 15aa00d..9793841 100644
--- a/Source/OpenTK/Platform/Linux/Bindings/LibInput.cs
+++ b/Source/OpenTK/Platform/Linux/Bindings/LibInput.cs
@@ -82,6 +82,9 @@ namespace OpenTK.Platform.Linux
             }
         }
 
+        [DllImport(lib, EntryPoint = "libinput_device_get_seat", CallingConvention = CallingConvention.Cdecl)]
+        public static extern IntPtr DeviceGetSeat(IntPtr device);
+
         [DllImport(lib, EntryPoint = "libinput_device_has_capability", CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.Bool)]
         public static extern bool DeviceHasCapability(IntPtr device, DeviceCapability capability);
@@ -115,6 +118,26 @@ namespace OpenTK.Platform.Linux
 
         [DllImport(lib, EntryPoint = "libinput_suspend", CallingConvention = CallingConvention.Cdecl)]
         public static extern void Suspend(IntPtr libinput);
+
+        [DllImport(lib, EntryPoint = "libinput_seat_get_logical_name", CallingConvention = CallingConvention.Cdecl)]
+        static extern public IntPtr SeatGetLogicalNameInternal(IntPtr seat);
+        public static string SeatGetLogicalName(IntPtr seat)
+        {
+            unsafe
+            {
+                return new string((sbyte*)SeatGetLogicalNameInternal(seat));
+            }
+        }
+
+        [DllImport(lib, EntryPoint = "libinput_seat_get_physical_name", CallingConvention = CallingConvention.Cdecl)]
+        static extern public IntPtr SeatGetPhysicalNameInternal(IntPtr seat);
+        public static string SeatGetPhysicalName(IntPtr seat)
+        {
+            unsafe
+            {
+                return new string((sbyte*)SeatGetPhysicalName(seat));
+            }
+        }
     }
 
     enum DeviceCapability
diff --git a/Source/OpenTK/Platform/Linux/LinuxInput.cs b/Source/OpenTK/Platform/Linux/LinuxInput.cs
index a79ec37..b421b56 100644
--- a/Source/OpenTK/Platform/Linux/LinuxInput.cs
+++ b/Source/OpenTK/Platform/Linux/LinuxInput.cs
@@ -44,6 +44,8 @@ namespace OpenTK.Platform.Linux
             readonly IntPtr Device;
             string name;
             string output;
+            string logical_seat;
+            string physical_seat;
 
             public DeviceBase(IntPtr device, int id)
             {
@@ -72,6 +74,32 @@ namespace OpenTK.Platform.Linux
                 }
             }
 
+            public IntPtr Seat
+            {
+                get
+                {
+                    return LibInput.DeviceGetSeat(Device);
+                }
+            }
+
+            public string LogicalSeatName
+            {
+                get
+                {
+                    logical_seat = logical_seat ?? LibInput.SeatGetLogicalName(Seat);
+                    return logical_seat;
+                }
+            }
+
+            public string PhysicalSeatName
+            {
+                get
+                {
+                    physical_seat = physical_seat ?? LibInput.SeatGetPhysicalName(Seat);
+                    return physical_seat;
+                }
+            }
+
             public string Output
             {
                 get
@@ -372,14 +400,16 @@ namespace OpenTK.Platform.Linux
             {
                 KeyboardDevice keyboard = new KeyboardDevice(device, Keyboards.Count);
                 Keyboards.Add(keyboard.Id, keyboard);
-                Debug.Print("[Input] Added keyboard device {0} '{1}'", keyboard.Id, keyboard.Name);
+                Debug.Print("[Input] Added keyboard device {0} '{1}' on '{2}' ('{3}')",
+                    keyboard.Id, keyboard.Name, keyboard.LogicalSeatName, keyboard.PhysicalSeatName);
             }
 
             if (LibInput.DeviceHasCapability(device, DeviceCapability.Mouse))
             {
                 MouseDevice mouse = new MouseDevice(device, Mice.Count);
                 Mice.Add(mouse.Id, mouse);
-                Debug.Print("[Input] Added mouse device {0} '{1}'", mouse.Id, mouse.Name);
+                Debug.Print("[Input] Added mouse device {0} '{1}' on '{2}' ('{3}')",
+                    mouse.Id, mouse.Name, mouse.LogicalSeatName, mouse.PhysicalSeatName);
             }
 
             if (LibInput.DeviceHasCapability(device, DeviceCapability.Touch))
-- 
2.7.4