public TouchReadings(int X, int Y, byte tID, TouchReadings prevTouchReadings = null)
{
hwX = X;
hwY = Y;
touchID = tID;
PreviousTouchReadings = prevTouchReadings;
if (PreviousTouchReadings != null)
{
deltaX = X - PreviousTouchReadings.hwX;
deltaY = Y - PreviousTouchReadings.hwY;
}
}
public TouchpadEventArgs(DateTime utcTimestamp, bool tButtonDown, TouchReadings t0, TouchReadings t1 = null)
{
if (t1 != null)
{
TouchReadings = new TouchReadings[2];
TouchReadings[0] = t0;
TouchReadings[1] = t1;
}
else if (t0 != null)
{
TouchReadings = new TouchReadings[1];
TouchReadings[0] = t0;
}
touchButtonPressed = tButtonDown;
timeStamp = utcTimestamp;
}
public void handleTouchpad(byte[] data, State sensors, int touchPacketOffset = 0)
{
var touchPadIsDown = sensors.TouchButton;
if (!PacketChanged(data, touchPacketOffset) && touchPadIsDown == lastTouchPadIsDown)
{
TouchUnchanged?.Invoke(this, EventArgs.Empty);
return;
}
var touchID1 = (byte)(data[0 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] & 0x7F);
var touchID2 = (byte)(data[4 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] & 0x7F);
var currentX1 = data[1 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] + (data[2 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] & 0xF) * 255;
var currentY1 = ((data[2 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] & 0xF0) >> 4) + data[3 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] * 16;
var currentX2 = data[5 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] + (data[6 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] & 0xF) * 255;
var currentY2 = ((data[6 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] & 0xF0) >> 4) + data[7 + TOUCHPAD_DATA_OFFSET + touchPacketOffset] * 16;
TouchpadEventArgs args;
if (sensors.Touch1 || sensors.Touch2)
{
if (sensors.Touch1 && !lastIsActive1 || sensors.Touch2 && !lastIsActive2)
{
if (TouchesBegan != null)
{
if (sensors.Touch1 && sensors.Touch2)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX1, currentY1, touchID1), new TouchReadings(currentX2, currentY2, touchID2));
}
else if (sensors.Touch1)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX1, currentY1, touchID1));
}
else
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX2, currentY2, touchID2));
}
TouchesBegan(this, args);
}
}
else if (sensors.Touch1 == lastIsActive1 && sensors.Touch2 == lastIsActive2 && TouchesMoved != null)
{
TouchReadings tPrev, t0, t1;
if (sensors.Touch1 && sensors.Touch2)
{
tPrev = new TouchReadings(lastTouchPadX1, lastTouchPadY1, lastTouchID1);
t0 = new TouchReadings(currentX1, currentY1, touchID1, tPrev);
tPrev = new TouchReadings(lastTouchPadX2, lastTouchPadY2, lastTouchID2);
t1 = new TouchReadings(currentX2, currentY2, touchID2, tPrev);
}
else if (sensors.Touch1)
{
tPrev = new TouchReadings(lastTouchPadX1, lastTouchPadY1, lastTouchID1);
t0 = new TouchReadings(currentX1, currentY1, touchID1, tPrev);
t1 = null;
}
else
{
tPrev = new TouchReadings(lastTouchPadX2, lastTouchPadY2, lastTouchID2);
t0 = new TouchReadings(currentX2, currentY2, touchID2, tPrev);
t1 = null;
}
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, t0, t1);
TouchesMoved(this, args);
}
if (!lastTouchPadIsDown && touchPadIsDown && TouchButtonDown != null)
{
if (sensors.Touch1 && sensors.Touch2)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX1, currentY1, touchID1), new TouchReadings(currentX2, currentY2, touchID2));
}
else if (sensors.Touch1)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX1, currentY1, touchID1));
}
else
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX2, currentY2, touchID2));
}
TouchButtonDown(this, args);
}
else if (lastTouchPadIsDown && !touchPadIsDown && TouchButtonUp != null)
{
if (sensors.Touch1 && sensors.Touch2)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX1, currentY1, touchID1), new TouchReadings(currentX2, currentY2, touchID2));
}
else if (sensors.Touch1)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX1, currentY1, touchID1));
}
else
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(currentX2, currentY2, touchID2));
}
TouchButtonUp(this, args);
}
if (sensors.Touch1)
{
lastTouchPadX1 = currentX1;
lastTouchPadY1 = currentY1;
}
if (sensors.Touch2)
{
lastTouchPadX2 = currentX2;
lastTouchPadY2 = currentY2;
}
lastTouchPadIsDown = touchPadIsDown;
}
else
{
if (touchPadIsDown && !lastTouchPadIsDown)
{
TouchButtonDown?.Invoke(this, new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, null));
}
else if (!touchPadIsDown && lastTouchPadIsDown)
{
TouchButtonUp?.Invoke(this, new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, null));
}
if ((lastIsActive1 || lastIsActive2) && TouchesEnded != null)
{
if (lastIsActive1 && lastIsActive2)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(lastTouchPadX1, lastTouchPadY1, touchID1), new TouchReadings(lastTouchPadX2, lastTouchPadY2, touchID2));
}
else if (lastIsActive1)
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(lastTouchPadX1, lastTouchPadY1, touchID1));
}
else
{
args = new TouchpadEventArgs(sensors.ReportTimeStamp, sensors.TouchButton, new TouchReadings(lastTouchPadX2, lastTouchPadY2, touchID2));
}
TouchesEnded(this, args);
}
}
lastIsActive1 = sensors.Touch1;
lastIsActive2 = sensors.Touch2;
lastTouchID1 = touchID1;
lastTouchID2 = touchID2;
lastTouchPadIsDown = touchPadIsDown;
}
