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