private void OnComposition(IntPtr hWnd, int lParam)
{
TextInputEvent compEvent;
if (lParam == 0)
{
// Clear composition
compEvent = InputEventPool <TextInputEvent> .GetOrCreate(this);
compEvent.Text = "";
compEvent.CompositionStart = 0;
compEvent.CompositionLength = 0;
compEvent.Type = TextInputEventType.Composition;
textEvents.Add(compEvent);
return;
}
if ((lParam & Win32Native.GCS_COMPSTR) != 0)
{
// Update the composition string
var context = Win32Native.ImmGetContext(hWnd);
var compString = GetCompositionString(context, Win32Native.GCS_COMPSTR);
compEvent = InputEventPool <TextInputEvent> .GetOrCreate(this);
compEvent.Type = TextInputEventType.Composition;
compEvent.Text = compString;
compEvent.CompositionStart = 0;
compEvent.CompositionLength = 0;
textEvents.Add(compEvent);
Win32Native.ImmReleaseContext(hWnd, context);
}
}
public void HandleMouseWheel(float wheelDelta)
{
var wheelEvent = InputEventPool <MouseWheelEvent> .GetOrCreate(MouseDevice);
wheelEvent.WheelDelta = wheelDelta;
Events.Add(wheelEvent);
}
public void SetAxis(GamePadAxis axis, float value)
{
var axisEvent = InputEventPool <GamePadAxisEvent> .GetOrCreate(this);
axisEvent.Axis = axis;
axisEvent.Value = value;
PendingEvents.Add(axisEvent);
}
private unsafe void OnTextInputActions(SDL.SDL_TextInputEvent e)
{
var textInputEvent = InputEventPool <TextInputEvent> .GetOrCreate(this);
textInputEvent.Text = SDLBufferToString(e.text);
textInputEvent.Type = TextInputEventType.Input;
textEvents.Add(textInputEvent);
}
private GamePadAxisEvent CreateAxisEvent(GamePadAxis axis, float newValue)
{
GamePadAxisEvent axisEvent = InputEventPool <GamePadAxisEvent> .GetOrCreate(this);
axisEvent.Value = newValue;
axisEvent.Axis = axis;
state.Update(axisEvent);
return(axisEvent);
}
private unsafe void OnTextEditingActions(SDL.SDL_TextEditingEvent e)
{
var textInputEvent = InputEventPool <TextInputEvent> .GetOrCreate(this);
textInputEvent.Text = SDLBufferToString(e.text);
textInputEvent.Type = TextInputEventType.Composition;
textInputEvent.CompositionStart = e.start;
textInputEvent.CompositionLength = e.length;
textEvents.Add(textInputEvent);
}
/// <summary>
/// Processes a <see cref="InputEvent"/>, converting it to a <see cref="PointerEvent"/>. Also calls <see cref="OnPointer"/> and updates <see cref="CurrentPointerEvents"/>
/// </summary>
/// <param name="evt"></param>
public PointerEvent ProcessPointerEvent(InputEvent evt)
{
var pointerEvent = InputEventPool <PointerEvent> .GetOrCreate(SourceDevice);
pointerEvent.Position = evt.Position;
pointerEvent.PointerId = evt.Id;
pointerEvent.EventType = evt.Type;
UpdatePointerState(pointerEvent);
return(pointerEvent);
}
public override void Update(List <InputEvent> inputEvents)
{
var reading = Gamepad.GetCurrentReading();
ClearButtonStates();
// Check buttons
for (int i = 0; i < 14; i++)
{
int mask = 1 << i;
GamePadButton button = buttonMap[(GamepadButtons)mask];
var oldState = (state.Buttons & button) != 0;
var newState = (reading.Buttons & (GamepadButtons)mask) != 0;
if (oldState != newState)
{
GamePadButtonEvent buttonEvent = InputEventPool <GamePadButtonEvent> .GetOrCreate(this);
buttonEvent.IsDown = newState;
buttonEvent.Button = button;
inputEvents.Add(buttonEvent);
if (state.Update(buttonEvent))
{
UpdateButtonState(buttonEvent);
}
}
}
if (ChangeAxis(0, reading.LeftThumbstickX))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.LeftThumbX, reading.LeftThumbstickX));
}
if (ChangeAxis(1, reading.LeftThumbstickY))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.LeftThumbY, reading.LeftThumbstickY));
}
if (ChangeAxis(2, reading.RightThumbstickX))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.RightThumbX, reading.RightThumbstickX));
}
if (ChangeAxis(3, reading.RightThumbstickY))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.RightThumbY, reading.RightThumbstickY));
}
if (ChangeAxis(4, reading.LeftTrigger))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.LeftTrigger, reading.LeftTrigger));
}
if (ChangeAxis(5, reading.RightTrigger))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.RightTrigger, reading.RightTrigger));
}
}
public void SetButton(GamePadButton button, bool state)
{
// Check for only 1 bit
if ((button & (button - 1)) != 0)
{
throw new InvalidOperationException("Can not set more than one button at a time");
}
var buttonEvent = InputEventPool <GamePadButtonEvent> .GetOrCreate(this);
buttonEvent.Button = button;
buttonEvent.IsDown = state;
PendingEvents.Add(buttonEvent);
}
protected void HandleButton(int index, bool state)
{
if (index < 0 || index > ButtonStates.Length)
{
throw new IndexOutOfRangeException();
}
if (ButtonStates[index] != state)
{
ButtonStates[index] = state;
var buttonEvent = InputEventPool <GameControllerButtonEvent> .GetOrCreate(this);
buttonEvent.IsDown = state;
buttonEvent.Index = index;
events.Add(buttonEvent);
}
}
protected void HandleAxis(int index, float state)
{
if (index < 0 || index > AxisStates.Length)
{
throw new IndexOutOfRangeException();
}
if (AxisStates[index] != state)
{
AxisStates[index] = state;
var axisEvent = InputEventPool <GameControllerAxisEvent> .GetOrCreate(this);
axisEvent.Value = state;
axisEvent.Index = index;
events.Add(axisEvent);
}
}
protected void HandleDirection(int index, Direction state)
{
if (index < 0 || index > DirectionStates.Length)
{
throw new IndexOutOfRangeException();
}
if (DirectionStates[index] != state)
{
DirectionStates[index] = state;
var directionEvent = InputEventPool <GameControllerDirectionEvent> .GetOrCreate(this);
directionEvent.Index = index;
directionEvent.Direction = state;
events.Add(directionEvent);
}
}
public void HandleKeyUp(Keys key)
{
// Prevent duplicate up events
if (!KeyRepeats.ContainsKey(key))
{
return;
}
KeyRepeats.Remove(key);
downKeys.Remove(key);
var keyEvent = InputEventPool <KeyEvent> .GetOrCreate(this);
keyEvent.IsDown = false;
keyEvent.Key = key;
keyEvent.RepeatCount = 0;
Events.Add(keyEvent);
}
/// <summary>
/// Special move that generates pointer events with just delta
/// </summary>
/// <param name="delta">The movement delta</param>
public void HandleMouseDelta(Vector2 delta)
{
if (delta == Vector2.Zero)
{
return;
}
// Normalize delta
delta *= PointerState.InverseSurfaceSize;
nextDelta += delta;
var pointerEvent = InputEventPool <PointerEvent> .GetOrCreate(MouseDevice);
pointerEvent.Position = Position;
pointerEvent.DeltaPosition = delta;
pointerEvent.PointerId = 0;
pointerEvent.EventType = PointerEventType.Moved;
Events.Add(pointerEvent);
}
public void HandleButtonUp(MouseButton button)
{
// Prevent duplicate events
if (!downButtons.Contains(button))
{
return;
}
downButtons.Remove(button);
var buttonEvent = InputEventPool <MouseButtonEvent> .GetOrCreate(MouseDevice);
buttonEvent.Button = button;
buttonEvent.IsDown = false;
Events.Add(buttonEvent);
// Simulate tap on primary mouse button
if (button == MouseButton.Left)
{
HandlePointerUp();
}
}
public void HandleKeyDown(Keys key)
{
// Increment repeat count on subsequent down events
int repeatCount;
if (KeyRepeats.TryGetValue(key, out repeatCount))
{
KeyRepeats[key] = ++repeatCount;
}
else
{
KeyRepeats.Add(key, repeatCount);
downKeys.Add(key);
}
var keyEvent = InputEventPool <KeyEvent> .GetOrCreate(this);
keyEvent.IsDown = true;
keyEvent.Key = key;
keyEvent.RepeatCount = repeatCount;
Events.Add(keyEvent);
}
private void RichTextBoxOnTextChanged(object sender, EventArgs eventArgs)
{
// Take all text inserted into the text box and send it as a text event instead
if (richTextBox.Text.Length > 0)
{
// Filter out characters that do not belong in text input
string inputString = richTextBox.Text;
inputString = inputString.Replace("\r", "").Replace("\n", "").Replace("\t", "");
if (inputString.Length > 0)
{
var compEvent = InputEventPool <TextInputEvent> .GetOrCreate(this);
compEvent.Type = TextInputEventType.Input;
compEvent.Text = inputString;
compEvent.CompositionStart = richTextBox.SelectionStart;
compEvent.CompositionLength = richTextBox.SelectionLength;
textEvents.Add(compEvent);
}
}
richTextBox.Text = "";
}
/// <summary>
/// Maps game controller events to gamepad events
/// </summary>
/// <returns>The equivalent gamepad event</returns>
/// <param name="targetDevice">The gamepad that events are mapped to</param>
/// <param name="sourceDevice">The game controller that is mapped to a gamepad</param>
/// <param name="controllerEvent">The controller input event as a source</param>
/// <param name="target">Target list</param>
public virtual void MapInputEvent(IGamePadDevice targetDevice, IGameControllerDevice sourceDevice, InputEvent controllerEvent, List <InputEvent> target)
{
var buttonEvent = controllerEvent as GameControllerButtonEvent;
if (buttonEvent != null)
{
if (buttonEvent.Index < buttonMap.Count &&
buttonMap[buttonEvent.Index] != GamePadButton.None)
{
GamePadButtonEvent buttonEvent1 = InputEventPool <GamePadButtonEvent> .GetOrCreate(targetDevice);
buttonEvent1.Button = buttonMap[buttonEvent.Index];
buttonEvent1.IsDown = buttonEvent.IsDown;
target.Add(buttonEvent1);
}
if (buttonEvent.Index < buttonsToTriggerMap.Count &&
buttonsToTriggerMap[buttonEvent.Index].Axis != GamePadAxis.None)
{
var mappedAxis = buttonsToTriggerMap[buttonEvent.Index];
GamePadAxisEvent axisEvent1 = InputEventPool <GamePadAxisEvent> .GetOrCreate(targetDevice);
axisEvent1.Axis = mappedAxis.Axis;
axisEvent1.Value = buttonEvent.IsDown ? 1.0f : 0.0f;
if (mappedAxis.Invert)
{
axisEvent1.Value = -axisEvent1.Value;
}
target.Add(axisEvent1);
}
}
else
{
var axisEvent = controllerEvent as GameControllerAxisEvent;
if (axisEvent != null)
{
if (axisEvent.Index < axisMap.Count &&
axisMap[axisEvent.Index].Axis != GamePadAxis.None)
{
var mappedAxis = axisMap[axisEvent.Index];
GamePadAxisEvent axisEvent1 = InputEventPool <GamePadAxisEvent> .GetOrCreate(targetDevice);
axisEvent1.Axis = mappedAxis.Axis;
if (mappedAxis.Invert)
{
axisEvent1.Value = -axisEvent.Value;
}
else
{
axisEvent1.Value = axisEvent.Value;
}
if (mappedAxis.Remap)
{
axisEvent1.Value = (axisEvent1.Value + 1.0f) * 0.5f;
if (axisEvent1.Value < 0.0001f)
{
axisEvent1.Value = 0.0f;
}
}
target.Add(axisEvent1);
}
if (axisEvent.Index < axisToButtonMap.Count &&
axisToButtonMap[axisEvent.Index] != GamePadButton.None)
{
GamePadButtonEvent buttonEvent1 = InputEventPool <GamePadButtonEvent> .GetOrCreate(targetDevice);
buttonEvent1.Button = axisToButtonMap[axisEvent.Index];
buttonEvent1.IsDown = axisEvent.Value > 0.5f;
target.Add(buttonEvent1);
}
}
else if (MapFirstPovToPad)
{
var directionEvent = controllerEvent as GameControllerDirectionEvent;
if (directionEvent?.Index == 0)
{
GamePadButton targetButtons = GameControllerUtils.DirectionToButtons(directionEvent.Direction);
// Pad buttons down
for (int i = 0; i < 4; i++)
{
int mask = (1 << i);
if (((int)targetDevice.State.Buttons & mask) != ((int)targetButtons & mask))
{
GamePadButtonEvent buttonEvent1 = InputEventPool <GamePadButtonEvent> .GetOrCreate(targetDevice);
buttonEvent1.Button = (GamePadButton)mask;
buttonEvent1.IsDown = ((int)targetButtons & mask) != 0;
target.Add(buttonEvent1);
}
}
}
}
}
}
public override void Update(List <InputEvent> inputEvents)
{
if ((int)controller.UserIndex != Index)
{
SetIndexInternal((int)controller.UserIndex);
}
ClearButtonStates();
if (controller.GetState(out xinputState))
{
// DPad/Shoulder/Thumb/Option buttons
for (int i = 0; i < 16; i++)
{
int mask = 1 << i;
var masked = (int)xinputState.Gamepad.Buttons & mask;
if (masked != ((int)state.Buttons & mask))
{
bool buttonState = (masked != 0);
GamePadButtonEvent buttonEvent = InputEventPool <GamePadButtonEvent> .GetOrCreate(this);
buttonEvent.IsDown = buttonState;
buttonEvent.Button = (GamePadButton)mask; // 1 to 1 mapping with XInput buttons
inputEvents.Add(buttonEvent);
if (state.Update(buttonEvent))
{
UpdateButtonState(buttonEvent);
}
}
}
// Axes
if (ChangeAxis(0, xinputState.Gamepad.LeftThumbX))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.LeftThumbX, xinputState.Gamepad.LeftThumbX / 32768.0f));
}
if (ChangeAxis(1, xinputState.Gamepad.LeftThumbY))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.LeftThumbY, xinputState.Gamepad.LeftThumbY / 32768.0f));
}
if (ChangeAxis(2, xinputState.Gamepad.RightThumbX))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.RightThumbX, xinputState.Gamepad.RightThumbX / 32768.0f));
}
if (ChangeAxis(3, xinputState.Gamepad.RightThumbY))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.RightThumbY, xinputState.Gamepad.RightThumbY / 32768.0f));
}
if (ChangeAxis(4, xinputState.Gamepad.LeftTrigger))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.LeftTrigger, xinputState.Gamepad.LeftTrigger / 255.0f));
}
if (ChangeAxis(5, xinputState.Gamepad.RightTrigger))
{
inputEvents.Add(CreateAxisEvent(GamePadAxis.RightTrigger, xinputState.Gamepad.RightTrigger / 255.0f));
}
}
if (!controller.IsConnected)
{
DisconnectAndDispose();
}
}
