Merge branch 'sdl2' of https://github.com/thefiddler/opentk into sdl2

This commit is contained in:
thefiddler 2013-09-30 14:43:06 +02:00
commit 071daff564
9 changed files with 241 additions and 92 deletions

View file

@ -67,8 +67,8 @@ namespace OpenTK.Input
/// Gets a <see cref="System.Boolean"/> indicating whether the specified /// Gets a <see cref="System.Boolean"/> indicating whether the specified
/// <see cref="OpenTK.Input.Key"/> is pressed. /// <see cref="OpenTK.Input.Key"/> is pressed.
/// </summary> /// </summary>
/// <param name="key">The <see cref="OpenTK.Input.Key"/> to check.</param> /// <param name="code">The scancode to check.</param>
/// <returns>True if key is pressed; false otherwise.</returns> /// <returns>True if code is pressed; false otherwise.</returns>
public bool this[short code] public bool this[short code]
{ {
get { return IsKeyDown(code); } get { return IsKeyDown(code); }

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@ -790,7 +790,7 @@
<Compile Include="Platform\SDL2\Sdl2Factory.cs" /> <Compile Include="Platform\SDL2\Sdl2Factory.cs" />
<Compile Include="Platform\SDL2\Sdl2GraphicsContext.cs" /> <Compile Include="Platform\SDL2\Sdl2GraphicsContext.cs" />
<Compile Include="Platform\SDL2\Sdl2GraphicsMode.cs" /> <Compile Include="Platform\SDL2\Sdl2GraphicsMode.cs" />
<Compile Include="Platform\SDL2\Sdl2InputBase.cs" /> <Compile Include="Platform\SDL2\Sdl2InputDriver.cs" />
<Compile Include="Platform\SDL2\Sdl2Joystick.cs" /> <Compile Include="Platform\SDL2\Sdl2Joystick.cs" />
<Compile Include="Platform\SDL2\Sdl2KeyMap.cs" /> <Compile Include="Platform\SDL2\Sdl2KeyMap.cs" />
<Compile Include="Platform\SDL2\Sdl2Keyboard.cs" /> <Compile Include="Platform\SDL2\Sdl2Keyboard.cs" />
@ -806,7 +806,5 @@
<PostBuildEvent> <PostBuildEvent>
</PostBuildEvent> </PostBuildEvent>
</PropertyGroup> </PropertyGroup>
<ItemGroup> <ItemGroup />
<Folder Include="Platform\SDL2\" />
</ItemGroup>
</Project> </Project>

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@ -33,6 +33,8 @@ namespace OpenTK.Platform.SDL2
{ {
class Sdl2Factory : IPlatformFactory class Sdl2Factory : IPlatformFactory
{ {
readonly IInputDriver2 InputDriver = new Sdl2InputDriver();
public Sdl2Factory() public Sdl2Factory()
{ {
} }
@ -86,17 +88,17 @@ namespace OpenTK.Platform.SDL2
public IKeyboardDriver2 CreateKeyboardDriver() public IKeyboardDriver2 CreateKeyboardDriver()
{ {
return new Sdl2Keyboard(); return InputDriver.KeyboardDriver;
} }
public IMouseDriver2 CreateMouseDriver() public IMouseDriver2 CreateMouseDriver()
{ {
return new Sdl2Mouse(); return InputDriver.MouseDriver;
} }
public IGamePadDriver CreateGamePadDriver() public IGamePadDriver CreateGamePadDriver()
{ {
return new Sdl2Joystick(); return InputDriver.GamePadDriver;
} }
#endregion #endregion

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@ -27,33 +27,57 @@
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Threading; using System.Threading;
using OpenTK.Input; using OpenTK.Input;
namespace OpenTK.Platform.SDL2 namespace OpenTK.Platform.SDL2
{ {
class Sdl2InputBase : IInputDriver2 class Sdl2InputDriver : IInputDriver2
{ {
Sdl2WindowInfo window; readonly Sdl2Keyboard keyboard_driver = new Sdl2Keyboard();
readonly Thread thread; readonly Sdl2Mouse mouse_driver = new Sdl2Mouse();
readonly AutoResetEvent ready = new AutoResetEvent(false); readonly SDL.SDL_EventFilter EventFilterDelegate;
public Sdl2InputBase() public Sdl2InputDriver()
{ {
window = new Sdl2WindowInfo( EventFilterDelegate = FilterInputEvents;
SDL.SDL_CreateWindow("Hidden Input Window", 0, 0, 1, 1, SDL.SDL_AddEventWatch(EventFilterDelegate, IntPtr.Zero);
SDL.SDL_WindowFlags.SDL_WINDOW_HIDDEN),
null);
} }
#region Private Members #region Private Members
void ProcessEvents() int FilterInputEvents(IntPtr user_data, IntPtr e)
{ {
SDL.SDL_Event e; SDL.SDL_Event ev;
while (SDL.SDL_WaitEvent(out e) != 0) unsafe
{ {
ev = *(SDL.SDL_Event*)e;
} }
var type = (SDL.SDL_EventType)Marshal.ReadInt32(e);
switch (type)
{
case SDL.SDL_EventType.SDL_KEYDOWN:
case SDL.SDL_EventType.SDL_KEYUP:
keyboard_driver.ProcessKeyboardEvent(ev.key);
break;
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
mouse_driver.ProcessMouseEvent(ev.button);
break;
case SDL.SDL_EventType.SDL_MOUSEMOTION:
mouse_driver.ProcessMouseEvent(ev.motion);
break;
case SDL.SDL_EventType.SDL_MOUSEWHEEL:
mouse_driver.ProcessWheelEvent(ev.wheel);
break;
}
return 0;
} }
#endregion #endregion
@ -64,7 +88,7 @@ namespace OpenTK.Platform.SDL2
{ {
get get
{ {
throw new NotImplementedException(); return mouse_driver;
} }
} }
@ -72,7 +96,7 @@ namespace OpenTK.Platform.SDL2
{ {
get get
{ {
throw new NotImplementedException(); return keyboard_driver;
} }
} }

View file

@ -31,92 +31,93 @@ using OpenTK.Input;
namespace OpenTK.Platform.SDL2 namespace OpenTK.Platform.SDL2
{ {
using Code = SDL.SDL_Keycode; using Code = SDL.SDL_Scancode;
class Sdl2KeyMap : Dictionary<SDL.SDL_Keycode, Key> class Sdl2KeyMap : Dictionary<SDL.SDL_Scancode, Key>
{ {
public Sdl2KeyMap() public Sdl2KeyMap()
{ {
Add(Code.SDLK_ESCAPE, Key.Escape); Add(Code.SDL_SCANCODE_ESCAPE, Key.Escape);
// Function keys // Function keys
for (int i = 0; i < 12; i++) for (int i = 0; i < 12; i++)
{ {
Add(Code.SDLK_F1 + i, Key.F1 + i); Add(Code.SDL_SCANCODE_F1 + i, Key.F1 + i);
} }
// Number keys (0-9) // Number keys (0-9)
for (int i = 0; i <= 9; i++) Add(Code.SDL_SCANCODE_0, Key.Number0);
for (int i = 1; i < 9; i++)
{ {
Add(Code.SDLK_0 + i, Key.Number0 + i); Add(Code.SDL_SCANCODE_1 + i, Key.Number1 + i);
} }
// Letters (A-Z) // Letters (A-Z)
for (int i = 0; i < 26; i++) for (int i = 0; i < 26; i++)
{ {
Add(Code.SDLK_a + i, Key.A + i); Add(Code.SDL_SCANCODE_A + i, Key.A + i);
} }
Add(Code.SDLK_TAB, Key.Tab); Add(Code.SDL_SCANCODE_TAB, Key.Tab);
Add(Code.SDLK_CAPSLOCK, Key.CapsLock); Add(Code.SDL_SCANCODE_CAPSLOCK, Key.CapsLock);
Add(Code.SDLK_LCTRL, Key.ControlLeft); Add(Code.SDL_SCANCODE_LCTRL, Key.ControlLeft);
Add(Code.SDLK_LSHIFT, Key.ShiftLeft); Add(Code.SDL_SCANCODE_LSHIFT, Key.ShiftLeft);
Add(Code.SDLK_LALT, Key.WinLeft); Add(Code.SDL_SCANCODE_LALT, Key.WinLeft);
Add(Code.SDLK_MENU, Key.AltLeft); Add(Code.SDL_SCANCODE_MENU, Key.AltLeft);
Add(Code.SDLK_SPACE, Key.Space); Add(Code.SDL_SCANCODE_SPACE, Key.Space);
Add(Code.SDLK_RALT, Key.AltRight); Add(Code.SDL_SCANCODE_RALT, Key.AltRight);
//Add(Code., Key.WinRight); //Add(Code., Key.WinRight);
Add(Code.SDLK_APPLICATION, Key.Menu); Add(Code.SDL_SCANCODE_APPLICATION, Key.Menu);
Add(Code.SDLK_RCTRL, Key.ControlRight); Add(Code.SDL_SCANCODE_RCTRL, Key.ControlRight);
Add(Code.SDLK_RSHIFT, Key.ShiftRight); Add(Code.SDL_SCANCODE_RSHIFT, Key.ShiftRight);
Add(Code.SDLK_RETURN, Key.Enter); Add(Code.SDL_SCANCODE_RETURN, Key.Enter);
Add(Code.SDLK_BACKSPACE, Key.BackSpace); Add(Code.SDL_SCANCODE_BACKSPACE, Key.BackSpace);
Add(Code.SDLK_SEMICOLON, Key.Semicolon); // Varies by keyboard, ;: on Win2K/US Add(Code.SDL_SCANCODE_SEMICOLON, Key.Semicolon); // Varies by keyboard, ;: on Win2K/US
Add(Code.SDLK_SLASH, Key.Slash); // Varies by keyboard, /? on Win2K/US Add(Code.SDL_SCANCODE_SLASH, Key.Slash); // Varies by keyboard, /? on Win2K/US
//Add(Code., Key.Tilde); // Varies by keyboard, `~ on Win2K/US //Add(Code., Key.Tilde); // Varies by keyboard, `~ on Win2K/US
Add(Code.SDLK_LEFTBRACKET, Key.BracketLeft); // Varies by keyboard, [{ on Win2K/US Add(Code.SDL_SCANCODE_LEFTBRACKET, Key.BracketLeft); // Varies by keyboard, [{ on Win2K/US
Add(Code.SDLK_BACKSLASH, Key.BackSlash); // Varies by keyboard, \| on Win2K/US Add(Code.SDL_SCANCODE_BACKSLASH, Key.BackSlash); // Varies by keyboard, \| on Win2K/US
Add(Code.SDLK_RIGHTBRACKET, Key.BracketRight); // Varies by keyboard, ]} on Win2K/US Add(Code.SDL_SCANCODE_RIGHTBRACKET, Key.BracketRight); // Varies by keyboard, ]} on Win2K/US
Add(Code.SDLK_QUOTE, Key.Quote); // Varies by keyboard, '" on Win2K/US Add(Code.SDL_SCANCODE_APOSTROPHE, Key.Quote); // Varies by keyboard, '" on Win2K/US
Add(Code.SDLK_PLUS, Key.Plus); // Invariant: + Add(Code.SDL_SCANCODE_EQUALS, Key.Plus);
Add(Code.SDLK_COMMA, Key.Comma); // Invariant: , Add(Code.SDL_SCANCODE_COMMA, Key.Comma); // Invariant: ,
Add(Code.SDLK_MINUS, Key.Minus); // Invariant: - Add(Code.SDL_SCANCODE_MINUS, Key.Minus); // Invariant: -
Add(Code.SDLK_PERIOD, Key.Period); // Invariant: . Add(Code.SDL_SCANCODE_PERIOD, Key.Period); // Invariant: .
Add(Code.SDLK_HOME, Key.Home); Add(Code.SDL_SCANCODE_HOME, Key.Home);
Add(Code.SDLK_END, Key.End); Add(Code.SDL_SCANCODE_END, Key.End);
Add(Code.SDLK_DELETE, Key.Delete); Add(Code.SDL_SCANCODE_DELETE, Key.Delete);
Add(Code.SDLK_PAGEUP, Key.PageUp); Add(Code.SDL_SCANCODE_PAGEUP, Key.PageUp);
Add(Code.SDLK_PAGEDOWN, Key.PageDown); Add(Code.SDL_SCANCODE_PAGEDOWN, Key.PageDown);
Add(Code.SDLK_PAUSE, Key.Pause); Add(Code.SDL_SCANCODE_PAUSE, Key.Pause);
Add(Code.SDLK_NUMLOCKCLEAR, Key.NumLock); Add(Code.SDL_SCANCODE_NUMLOCKCLEAR, Key.NumLock);
Add(Code.SDLK_SCROLLLOCK, Key.ScrollLock); Add(Code.SDL_SCANCODE_SCROLLLOCK, Key.ScrollLock);
Add(Code.SDLK_PRINTSCREEN, Key.PrintScreen); Add(Code.SDL_SCANCODE_PRINTSCREEN, Key.PrintScreen);
Add(Code.SDLK_CLEAR, Key.Clear); Add(Code.SDL_SCANCODE_CLEAR, Key.Clear);
Add(Code.SDLK_INSERT, Key.Insert); Add(Code.SDL_SCANCODE_INSERT, Key.Insert);
Add(Code.SDLK_SLEEP, Key.Sleep); Add(Code.SDL_SCANCODE_SLEEP, Key.Sleep);
// Keypad // Keypad
for (int i = 0; i < 9; i++) for (int i = 0; i < 9; i++)
{ {
Add(Code.SDLK_KP_1 + i, Key.Keypad1 + i); Add(Code.SDL_SCANCODE_KP_1 + i, Key.Keypad1 + i);
} }
Add(Code.SDLK_KP_0, Key.Keypad0); // Note: SDL2 goes KP_1..KP_9, then KP_0 Add(Code.SDL_SCANCODE_KP_0, Key.Keypad0); // Note: SDL2 goes KP_1..KP_9, then KP_0
Add(Code.SDLK_KP_DECIMAL, Key.KeypadDecimal); Add(Code.SDL_SCANCODE_KP_DECIMAL, Key.KeypadDecimal);
Add(Code.SDLK_KP_PLUS, Key.KeypadAdd); Add(Code.SDL_SCANCODE_KP_PLUS, Key.KeypadAdd);
Add(Code.SDLK_KP_MINUS, Key.KeypadSubtract); Add(Code.SDL_SCANCODE_KP_MINUS, Key.KeypadSubtract);
Add(Code.SDLK_KP_DIVIDE, Key.KeypadDivide); Add(Code.SDL_SCANCODE_KP_DIVIDE, Key.KeypadDivide);
Add(Code.SDLK_KP_MULTIPLY, Key.KeypadMultiply); Add(Code.SDL_SCANCODE_KP_MULTIPLY, Key.KeypadMultiply);
// Navigation // Navigation
Add(Code.SDLK_UP, Key.Up); Add(Code.SDL_SCANCODE_UP, Key.Up);
Add(Code.SDLK_DOWN, Key.Down); Add(Code.SDL_SCANCODE_DOWN, Key.Down);
Add(Code.SDLK_LEFT, Key.Left); Add(Code.SDL_SCANCODE_LEFT, Key.Left);
Add(Code.SDLK_RIGHT, Key.Right); Add(Code.SDL_SCANCODE_RIGHT, Key.Right);
} }
} }
} }

View file

@ -32,25 +32,76 @@ namespace OpenTK.Platform.SDL2
{ {
class Sdl2Keyboard : IKeyboardDriver2 class Sdl2Keyboard : IKeyboardDriver2
{ {
static readonly Sdl2KeyMap KeyMap = new Sdl2KeyMap();
KeyboardState state;
public Sdl2Keyboard() public Sdl2Keyboard()
{ {
state.IsConnected = true;
} }
#region Private Members
// Unfortunately, SDL does not report KeyDown events
// when a modifier (e.g. shift, alt, etc) is first pressed.
// It reports a keydown+keyup event pair when the modifier
// is *released* - which means that we cannot use modifiers
// for regular input (e.g. press control to fire a weapon.)
// For that reason, we should also poll the keyboard directly
// as necessary.
// Fixme: this does not appear to work as expected.
void UpdateModifiers()
{
SDL.SDL_Keymod mod = SDL.SDL_GetModState();
state.SetKeyState(Key.LAlt, (byte)SDL.SDL_Scancode.SDL_SCANCODE_LALT, (mod & SDL.SDL_Keymod.KMOD_LALT) != 0);
state.SetKeyState(Key.RAlt, (byte)SDL.SDL_Scancode.SDL_SCANCODE_RALT, (mod & SDL.SDL_Keymod.KMOD_RALT) != 0);
state.SetKeyState(Key.LControl, (byte)SDL.SDL_Scancode.SDL_SCANCODE_LCTRL, (mod & SDL.SDL_Keymod.KMOD_LCTRL) != 0);
state.SetKeyState(Key.RControl, (byte)SDL.SDL_Scancode.SDL_SCANCODE_RCTRL, (mod & SDL.SDL_Keymod.KMOD_RCTRL) != 0);
state.SetKeyState(Key.LShift, (byte)SDL.SDL_Scancode.SDL_SCANCODE_LSHIFT, (mod & SDL.SDL_Keymod.KMOD_LSHIFT) != 0);
state.SetKeyState(Key.RShift, (byte)SDL.SDL_Scancode.SDL_SCANCODE_RSHIFT, (mod & SDL.SDL_Keymod.KMOD_RSHIFT) != 0);
state.SetKeyState(Key.Menu, (byte)SDL.SDL_Scancode.SDL_SCANCODE_APPLICATION, (mod & SDL.SDL_Keymod.KMOD_GUI) != 0);
state.SetKeyState(Key.CapsLock, (byte)SDL.SDL_Scancode.SDL_SCANCODE_CAPSLOCK, (mod & SDL.SDL_Keymod.KMOD_CAPS) != 0);
state.SetKeyState(Key.NumLock, (byte)SDL.SDL_Scancode.SDL_SCANCODE_NUMLOCKCLEAR, (mod & SDL.SDL_Keymod.KMOD_NUM) != 0);
//state.SetKeyState(Key., (byte)SDL.SDL_Scancode.SDL_SCANCODE_MODE, (mod & SDL.SDL_Keymod.KMOD_MODE) != 0);
}
#endregion
#region Internal Members
internal void ProcessKeyboardEvent(SDL.SDL_KeyboardEvent e)
{
Key key;
bool pressed = e.state != 0;
if (KeyMap.TryGetValue(e.keysym.scancode, out key))
{
state.SetKeyState(key, (byte)e.keysym.scancode, pressed);
}
}
#endregion
#region IKeyboardDriver2 Members #region IKeyboardDriver2 Members
public KeyboardState GetState() public KeyboardState GetState()
{ {
return new KeyboardState(); //UpdateModifiers(); // Fixme
return state;
} }
public KeyboardState GetState(int index) public KeyboardState GetState(int index)
{ {
return new KeyboardState(); //UpdateModifiers(); // Fixme
if (index == 0)
return state;
else
return new KeyboardState();
} }
public string GetDeviceName(int index) public string GetDeviceName(int index)
{ {
return String.Empty; return "SDL2 Default Keyboard";
} }
#endregion #endregion

View file

@ -26,33 +26,100 @@
#endregion #endregion
using System; using System;
using System.Diagnostics;
using OpenTK.Input; using OpenTK.Input;
namespace OpenTK.Platform.SDL2 namespace OpenTK.Platform.SDL2
{ {
class Sdl2Mouse : IMouseDriver2 class Sdl2Mouse : IMouseDriver2
{ {
MouseState state;
public Sdl2Mouse() public Sdl2Mouse()
{ {
state.IsConnected = true;
} }
#region Private Members
MouseButton TranslateButton(uint button)
{
switch (button)
{
case SDL.SDL_BUTTON_LEFT:
return MouseButton.Left;
case SDL.SDL_BUTTON_RIGHT:
return MouseButton.Right;
case SDL.SDL_BUTTON_MIDDLE:
return MouseButton.Middle;
case SDL.SDL_BUTTON_X1:
return MouseButton.Button1;
case SDL.SDL_BUTTON_X2:
return MouseButton.Button2;
default:
Debug.Print("SDL2 unknown button {0}", button);
return MouseButton.Left;
}
}
void SetButtonState(MouseButton button, bool pressed)
{
if (pressed)
{
state.EnableBit((int)button);
}
else
{
state.DisableBit((int)button);
}
}
#endregion
#region Public Members
public void ProcessWheelEvent(SDL.SDL_MouseWheelEvent wheel)
{
state.WheelPrecise += wheel.y;
}
public void ProcessMouseEvent(SDL.SDL_MouseMotionEvent motion)
{
state.X += motion.xrel;
state.Y += motion.yrel;
}
public void ProcessMouseEvent(SDL.SDL_MouseButtonEvent button)
{
bool pressed = button.state == SDL.SDL_PRESSED;
SetButtonState(TranslateButton(button.button), pressed);
}
#endregion
#region IMouseDriver2 Members #region IMouseDriver2 Members
public MouseState GetState() public MouseState GetState()
{ {
int x, y; return state;
uint b = SDL.SDL_GetMouseState(out x, out y);
return new MouseState();
} }
public MouseState GetState(int index) public MouseState GetState(int index)
{ {
return new MouseState(); if (index == 0)
return state;
else
return new MouseState();
} }
public void SetPosition(double x, double y) public void SetPosition(double x, double y)
{ {
//SDL2.mouse SDL.SDL_WarpMouseInWindow(IntPtr.Zero, (int)x, (int)y);
} }
#endregion #endregion

View file

@ -65,7 +65,7 @@ namespace OpenTK.Platform.SDL2
static Sdl2NativeWindow() static Sdl2NativeWindow()
{ {
// store the filter delegate to protect it from the GC // store the filter delegate to protect it from the GC
SDL.SDL_SetEventFilter(EventFilterDelegate, IntPtr.Zero); SDL.SDL_AddEventWatch(EventFilterDelegate, IntPtr.Zero);
} }
public Sdl2NativeWindow(int x, int y, int width, int height, public Sdl2NativeWindow(int x, int y, int width, int height,
@ -114,16 +114,22 @@ namespace OpenTK.Platform.SDL2
} }
} }
static Key TranslateKey(SDL.SDL_Keycode key) static Key TranslateKey(SDL.SDL_Scancode scan)
{ {
Key result = Key.Unknown; Key result = Key.Unknown;
if (map.ContainsKey(key)) if (map.ContainsKey(scan))
{ {
result = map[key]; result = map[scan];
} }
return result; return result;
} }
static Key TranslateKey(SDL.SDL_Keycode key)
{
SDL.SDL_Scancode scan = SDL.SDL_GetScancodeFromKey(key);
return TranslateKey(scan);
}
static int FilterEvents(IntPtr user_data, IntPtr e) static int FilterEvents(IntPtr user_data, IntPtr e)
{ {
var type = (SDL.SDL_EventType)Marshal.ReadInt32(e); var type = (SDL.SDL_EventType)Marshal.ReadInt32(e);
@ -324,7 +330,7 @@ namespace OpenTK.Platform.SDL2
case SDL.SDL_EventType.SDL_KEYUP: case SDL.SDL_EventType.SDL_KEYUP:
bool key_pressed = e.key.state == SDL.SDL_PRESSED; bool key_pressed = e.key.state == SDL.SDL_PRESSED;
var key = e.key.keysym; var key = e.key.keysym;
keyboard.SetKey(TranslateKey(key.sym), (uint)key.scancode, key_pressed); keyboard.SetKey(TranslateKey(key.scancode), (uint)key.scancode, key_pressed);
break; break;
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN: case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:

View file

@ -36,7 +36,7 @@ namespace OpenTK.Platform.SDL2
/// <summary> /// <summary>
/// Entry point for all SDL-related (non-extension) types and methods /// Entry point for all SDL-related (non-extension) types and methods
/// </summary> /// </summary>
public static class SDL static class SDL
{ {
#region SDL2# Variables #region SDL2# Variables
@ -4047,11 +4047,11 @@ namespace OpenTK.Platform.SDL2
* with the current keyboard layout. * with the current keyboard layout.
*/ */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern void SDL_GetKeyFromScancode(SDL_Scancode scancode); public static extern SDL_Keycode SDL_GetKeyFromScancode(SDL_Scancode scancode);
/* Get the scancode for the given keycode */ /* Get the scancode for the given keycode */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern void SDL_GetScancodeFromKey(SDL_Keycode key); public static extern SDL_Scancode SDL_GetScancodeFromKey(SDL_Keycode key);
/* Wrapper for SDL_GetScancodeName */ /* Wrapper for SDL_GetScancodeName */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]