public void PumpInput(IInputHandler inputHandler)
{
var mods = MakeModifiers((int)SDL.SDL_GetModState());
inputHandler.ModifierKeys(mods);
MouseInput?pendingMotion = null;
SDL.SDL_Event e;
while (SDL.SDL_PollEvent(out e) != 0)
{
switch (e.type)
{
case SDL.SDL_EventType.SDL_QUIT:
Game.Exit();
break;
case SDL.SDL_EventType.SDL_WINDOWEVENT:
{
switch (e.window.windowEvent)
{
case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_LOST:
Game.HasInputFocus = false;
break;
case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_GAINED:
Game.HasInputFocus = true;
break;
}
break;
}
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
{
if (pendingMotion != null)
{
inputHandler.OnMouseInput(pendingMotion.Value);
pendingMotion = null;
}
var button = MakeButton(e.button.button);
lastButtonBits |= button;
var pos = new int2(e.button.x, e.button.y);
inputHandler.OnMouseInput(new MouseInput(
MouseInputEvent.Down, button, pos, mods,
MultiTapDetection.DetectFromMouse(e.button.button, pos)));
break;
}
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
{
if (pendingMotion != null)
{
inputHandler.OnMouseInput(pendingMotion.Value);
pendingMotion = null;
}
var button = MakeButton(e.button.button);
lastButtonBits &= ~button;
var pos = new int2(e.button.x, e.button.y);
inputHandler.OnMouseInput(new MouseInput(
MouseInputEvent.Up, button, pos, mods,
MultiTapDetection.InfoFromMouse(e.button.button)));
break;
}
case SDL.SDL_EventType.SDL_MOUSEMOTION:
{
pendingMotion = new MouseInput(
MouseInputEvent.Move, lastButtonBits,
new int2(e.motion.x, e.motion.y), mods, 0);
break;
}
case SDL.SDL_EventType.SDL_MOUSEWHEEL:
{
// Retain compatibility with existing bogus behavior
// TODO: Implement real scroll behavior after we drop SDL 1.2 support
if (e.wheel.y == 0)
{
break;
}
int x, y;
SDL.SDL_GetMouseState(out x, out y);
var button = e.wheel.y < 0 ? MouseButton.WheelDown : MouseButton.WheelUp;
inputHandler.OnMouseInput(new MouseInput(MouseInputEvent.Down, button, new int2(x, y), Modifiers.None, 0));
break;
}
case SDL.SDL_EventType.SDL_TEXTINPUT:
{
string input;
unsafe
{
var data = new byte[SDL.SDL_TEXTINPUTEVENT_TEXT_SIZE];
var i = 0;
for (; i < SDL.SDL_TEXTINPUTEVENT_TEXT_SIZE; i++)
{
var b = e.text.text[i];
if (b == '\0')
{
break;
}
data[i] = b;
}
input = Encoding.UTF8.GetString(data, 0, i);
}
inputHandler.OnTextInput(input);
break;
}
case SDL.SDL_EventType.SDL_KEYDOWN:
case SDL.SDL_EventType.SDL_KEYUP:
{
var keyCode = (Keycode)e.key.keysym.sym;
var type = e.type == SDL.SDL_EventType.SDL_KEYDOWN ?
KeyInputEvent.Down : KeyInputEvent.Up;
var tapCount = e.type == SDL.SDL_EventType.SDL_KEYDOWN ?
MultiTapDetection.DetectFromKeyboard(keyCode) :
MultiTapDetection.InfoFromKeyboard(keyCode);
var keyEvent = new KeyInput
{
Event = type,
Key = keyCode,
Modifiers = mods,
UnicodeChar = (char)e.key.keysym.sym,
MultiTapCount = tapCount
};
// Special case workaround for windows users
if (e.key.keysym.sym == SDL.SDL_Keycode.SDLK_F4 && mods.HasModifier(Modifiers.Alt) &&
Platform.CurrentPlatform == PlatformType.Windows)
{
Game.Exit();
}
else
{
inputHandler.OnKeyInput(keyEvent);
}
break;
}
}
}
if (pendingMotion != null)
{
inputHandler.OnMouseInput(pendingMotion.Value);
pendingMotion = null;
}
ErrorHandler.CheckGlError();
}
public void PumpInput(IInputHandler inputHandler)
{
var mods = MakeModifiers((int)SDL.SDL_GetModState());
var scrollDelta = 0;
inputHandler.ModifierKeys(mods);
MouseInput?pendingMotion = null;
SDL.SDL_Event e;
while (SDL.SDL_PollEvent(out e) != 0)
{
switch (e.type)
{
case SDL.SDL_EventType.SDL_QUIT:
Game.Exit();
break;
case SDL.SDL_EventType.SDL_WINDOWEVENT:
{
switch (e.window.windowEvent)
{
case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_LOST:
Game.HasInputFocus = false;
break;
case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_GAINED:
Game.HasInputFocus = true;
break;
}
break;
}
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
{
if (pendingMotion != null)
{
inputHandler.OnMouseInput(pendingMotion.Value);
pendingMotion = null;
}
var button = MakeButton(e.button.button);
lastButtonBits |= button;
var pos = new int2(e.button.x, e.button.y);
inputHandler.OnMouseInput(new MouseInput(
MouseInputEvent.Down, button, scrollDelta, pos, mods,
MultiTapDetection.DetectFromMouse(e.button.button, pos)));
break;
}
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
{
if (pendingMotion != null)
{
inputHandler.OnMouseInput(pendingMotion.Value);
pendingMotion = null;
}
var button = MakeButton(e.button.button);
lastButtonBits &= ~button;
var pos = new int2(e.button.x, e.button.y);
inputHandler.OnMouseInput(new MouseInput(
MouseInputEvent.Up, button, scrollDelta, pos, mods,
MultiTapDetection.InfoFromMouse(e.button.button)));
break;
}
case SDL.SDL_EventType.SDL_MOUSEMOTION:
{
pendingMotion = new MouseInput(
MouseInputEvent.Move, lastButtonBits, scrollDelta,
new int2(e.motion.x, e.motion.y), mods, 0);
break;
}
case SDL.SDL_EventType.SDL_MOUSEWHEEL:
{
int x, y;
SDL.SDL_GetMouseState(out x, out y);
scrollDelta = e.wheel.y;
inputHandler.OnMouseInput(new MouseInput(MouseInputEvent.Scroll, MouseButton.None, scrollDelta, new int2(x, y), Modifiers.None, 0));
break;
}
case SDL.SDL_EventType.SDL_TEXTINPUT:
{
var rawBytes = new byte[SDL.SDL_TEXTINPUTEVENT_TEXT_SIZE];
unsafe { Marshal.Copy((IntPtr)e.text.text, rawBytes, 0, SDL.SDL_TEXTINPUTEVENT_TEXT_SIZE); }
inputHandler.OnTextInput(Encoding.UTF8.GetString(rawBytes, 0, Array.IndexOf(rawBytes, (byte)0)));
break;
}
case SDL.SDL_EventType.SDL_KEYDOWN:
case SDL.SDL_EventType.SDL_KEYUP:
{
var keyCode = (Keycode)e.key.keysym.sym;
var type = e.type == SDL.SDL_EventType.SDL_KEYDOWN ?
KeyInputEvent.Down : KeyInputEvent.Up;
var tapCount = e.type == SDL.SDL_EventType.SDL_KEYDOWN ?
MultiTapDetection.DetectFromKeyboard(keyCode) :
MultiTapDetection.InfoFromKeyboard(keyCode);
var keyEvent = new KeyInput
{
Event = type,
Key = keyCode,
Modifiers = mods,
UnicodeChar = (char)e.key.keysym.sym,
MultiTapCount = tapCount
};
// Special case workaround for windows users
if (e.key.keysym.sym == SDL.SDL_Keycode.SDLK_F4 && mods.HasModifier(Modifiers.Alt) &&
Platform.CurrentPlatform == PlatformType.Windows)
{
Game.Exit();
}
else
{
inputHandler.OnKeyInput(keyEvent);
}
break;
}
}
}
if (pendingMotion != null)
{
inputHandler.OnMouseInput(pendingMotion.Value);
pendingMotion = null;
}
ErrorHandler.CheckGlError();
}