public TouchpadEventArgs(bool tButtonDown, Touch t0, Touch t1 = null)
{
if (t1 != null)
{
touches = new Touch[2];
touches[0] = t0;
touches[1] = t1;
}
else if (t0 != null)
{
touches = new Touch[1];
touches[0] = t0;
}
touchButtonPressed = tButtonDown;
}
public Touch(int X, int Y, byte tID, Touch prevTouch = null)
{
hwX = X;
hwY = Y;
touchID = tID;
previousTouch = prevTouch;
if (previousTouch != null)
{
deltaX = X - previousTouch.hwX;
deltaY = Y - previousTouch.hwY;
}
}
public void touchesBegan(object sender, TouchpadEventArgs arg)
{
pastTime = DateTime.Now;
firstTouch = arg.touches[0];
}
public void handleTouchpad(byte[] data, bool touchPadIsDown)
{
bool _isActive = (data[0 + TOUCHPAD_DATA_OFFSET] >> 7) != 0 ? false : true; // >= 1 touch detected
bool _isActive2 = (data[4 + TOUCHPAD_DATA_OFFSET] >> 7) != 0 ? false : true; // > 1 touch detected
byte touchID = (byte)(data[0 + TOUCHPAD_DATA_OFFSET] & 0x7F);
byte touchID2 = (byte)(data[4 + TOUCHPAD_DATA_OFFSET] & 0x7F);
int currentX = data[1 + TOUCHPAD_DATA_OFFSET] + ((data[2 + TOUCHPAD_DATA_OFFSET] & 0xF) * 255);
int currentY = ((data[2 + TOUCHPAD_DATA_OFFSET] & 0xF0) >> 4) + (data[3 + TOUCHPAD_DATA_OFFSET] * 16);
//add secondary touch data
int currentX2 = data[5 + TOUCHPAD_DATA_OFFSET] + ((data[6 + TOUCHPAD_DATA_OFFSET] & 0xF) * 255);
int currentY2 = ((data[6 + TOUCHPAD_DATA_OFFSET] & 0xF0) >> 4) + (data[7 + TOUCHPAD_DATA_OFFSET] * 16);
if (_isActive)
{
if (!lastTouchPadIsDown && touchPadIsDown && TouchButtonDown != null)
{
TouchpadEventArgs args = null;
Touch t0 = new Touch(currentX, currentY, touchID);
if (_isActive2)
{
Touch t1 = new Touch(currentX2, currentY2, touchID2);
args = new TouchpadEventArgs(touchPadIsDown, t0, t1);
}
else
args = new TouchpadEventArgs(touchPadIsDown, t0);
TouchButtonDown(this, args);
}
else if (lastTouchPadIsDown && !touchPadIsDown && TouchButtonUp != null)
{
TouchpadEventArgs args = null;
Touch t0 = new Touch(currentX, currentY, touchID);
if (_isActive2)
{
Touch t1 = new Touch(currentX2, currentY2, touchID2);
args = new TouchpadEventArgs(touchPadIsDown, t0, t1);
}
else
args = new TouchpadEventArgs(touchPadIsDown, t0);
TouchButtonUp(this, args);
}
if (!lastIsActive || (_isActive2 && !lastIsActive2))
{
if (TouchesBegan != null)
{
TouchpadEventArgs args = null;
Touch t0 = new Touch(currentX, currentY, touchID);
if (_isActive2 && !lastIsActive2)
{
Touch t1 = new Touch(currentX2, currentY2, touchID2);
args = new TouchpadEventArgs(touchPadIsDown, t0, t1);
}
else
args = new TouchpadEventArgs(touchPadIsDown, t0);
TouchesBegan(this, args);
}
}
else if (lastIsActive)
{
if (TouchesMoved != null)
{
TouchpadEventArgs args = null;
Touch t0Prev = new Touch(lastTouchPadX, lastTouchPadY, lastTouchID);
Touch t0 = new Touch(currentX, currentY, touchID, t0Prev);
if (_isActive && _isActive2)
{
Touch t1Prev = new Touch(lastTouchPadX2, lastTouchPadY2, lastTouchID2);
Touch t1 = new Touch(currentX2, currentY2, touchID2, t1Prev);
args = new TouchpadEventArgs(touchPadIsDown, t0, t1);
}
else
args = new TouchpadEventArgs(touchPadIsDown, t0);
TouchesMoved(this, args);
}
}
else
{
}
lastTouchPadX = currentX;
lastTouchPadY = currentY;
//secondary touch data
lastTouchPadX2 = currentX2;
lastTouchPadY2 = currentY2;
lastTouchPadIsDown = touchPadIsDown;
}
else
{
if (lastIsActive)
{
if (TouchesEnded != null)
{
TouchpadEventArgs args = null;
Touch t0 = new Touch(currentX, currentY, touchID);
if (lastIsActive2)
{
Touch t1 = new Touch(currentX2, currentY2, touchID2);
args = new TouchpadEventArgs(touchPadIsDown, t0, t1);
}
else
args = new TouchpadEventArgs(touchPadIsDown, t0);
TouchesEnded(this, args);
}
}
if (touchPadIsDown && !lastTouchPadIsDown)
{
TouchButtonDown(this, new TouchpadEventArgs(touchPadIsDown, null, null));
}
else if (!touchPadIsDown && lastTouchPadIsDown)
{
TouchButtonUp(this, new TouchpadEventArgs(touchPadIsDown, null, null));
}
}
lastIsActive = _isActive;
lastIsActive2 = _isActive2;
lastTouchID = touchID;
lastTouchID2 = touchID2;
lastTouchPadIsDown = touchPadIsDown;
}
