public override bool OnTouchEvent(MotionEvent e)
{
if (virtualButtons != null)
{
showVirtualButtons = true;
MotionEventActions action = e.ActionMasked;
if (action == MotionEventActions.Down || action == MotionEventActions.PointerDown)
{
int pointerIndex = e.ActionIndex;
float x = e.GetX(pointerIndex);
float y = e.GetY(pointerIndex);
float w = e.GetTouchMajor(pointerIndex) * 0.5f;
float h = e.GetTouchMinor(pointerIndex) * 0.5f;
bool vibrated = false;
for (int i = 0; i < virtualButtons.Length; i++)
{
VirtualButton button = virtualButtons[i];
if (button.KeyCode != Key.Unknown)
{
if (button.CurrentPointerId == -1 && IsOnButton(button, x, y, w, h))
{
int pointerId = e.GetPointerId(pointerIndex);
button.CurrentPointerId = pointerId;
pressedButtons[(int)button.KeyCode] = true;
if (allowVibrations && !vibrated)
{
vibrator.Vibrate(16);
vibrated = true;
}
}
}
}
}
else if (action == MotionEventActions.Move)
{
int pointerCount = e.PointerCount;
for (int i = 0; i < virtualButtons.Length; i++)
{
VirtualButton button = virtualButtons[i];
if (button.KeyCode != Key.Unknown)
{
if (button.CurrentPointerId != -1)
{
int pointerIndex = e.FindPointerIndex(button.CurrentPointerId);
if (!IsOnButton(button, e.GetX(pointerIndex), e.GetY(pointerIndex), e.GetTouchMajor(pointerIndex) * 0.5f, e.GetTouchMinor(pointerIndex) * 0.5f))
{
button.CurrentPointerId = -1;
pressedButtons[(int)button.KeyCode] = false;
}
}
else
{
for (int j = 0; j < pointerCount; j++)
{
if (IsOnButton(button, e.GetX(j), e.GetY(j), e.GetTouchMajor(j) * 0.5f, e.GetTouchMinor(j) * 0.5f))
{
int pointerId = e.GetPointerId(j);
button.CurrentPointerId = pointerId;
pressedButtons[(int)button.KeyCode] = true;
if (allowVibrations)
{
vibrator.Vibrate(11);
}
break;
}
}
}
}
}
}
else if (action == MotionEventActions.Up || action == MotionEventActions.Cancel)
{
for (int i = 0; i < virtualButtons.Length; i++)
{
VirtualButton button = virtualButtons[i];
if (button.CurrentPointerId != -1)
{
button.CurrentPointerId = -1;
pressedButtons[(int)button.KeyCode] = false;
}
}
}
else if (action == MotionEventActions.PointerUp)
{
int pointerId = e.GetPointerId(e.ActionIndex);
for (int i = 0; i < virtualButtons.Length; i++)
{
VirtualButton button = virtualButtons[i];
if (button.CurrentPointerId == pointerId)
{
button.CurrentPointerId = -1;
pressedButtons[(int)button.KeyCode] = false;
}
}
}
}
//return base.OnTouchEvent(e);
return(true);
}
bool OnTouchOrHoverEvent(MotionEvent e, bool isTouch)
{
MotionEventButtonState buttonState = e.ButtonState;
MotionEventButtonState pressedButtons = buttonState & ~mOldButtonState;
mOldButtonState = buttonState;
if ((pressedButtons & MotionEventButtonState.Secondary) != 0)
{
// Advance color when the right mouse button or first stylus button
// is pressed.
AdvanceColor();
}
PaintMode mode;
if ((buttonState & MotionEventButtonState.Tertiary) != 0)
{
// Splat paint when the middle mouse button or second stylus button is pressed.
mode = PaintMode.Splat;
}
else if (isTouch || (buttonState & MotionEventButtonState.Primary) != 0)
{
// Draw paint when touching or if the primary button is pressed.
mode = PaintMode.Draw;
}
else
{
// Otherwise, do not paint anything.
return(false);
}
MotionEventActions action = e.ActionMasked;
if (action == MotionEventActions.Down || action == MotionEventActions.Move ||
action == MotionEventActions.HoverMove)
{
int N = e.HistorySize;
int P = e.PointerCount;
for (int i = 0; i < N; i++)
{
for (int j = 0; j < P; j++)
{
Paint(GetPaintModeForTool(e.GetToolType(j), mode),
e.GetHistoricalX(j, i),
e.GetHistoricalY(j, i),
e.GetHistoricalPressure(j, i),
e.GetHistoricalTouchMajor(j, i),
e.GetHistoricalTouchMinor(j, i),
e.GetHistoricalOrientation(j, i),
e.GetHistoricalAxisValue(Axis.Distance, j, i),
e.GetHistoricalAxisValue(Axis.Tilt, j, i));
}
}
for (int j = 0; j < P; j++)
{
Paint(GetPaintModeForTool(e.GetToolType(j), mode),
e.GetX(j),
e.GetY(j),
e.GetPressure(j),
e.GetTouchMajor(j),
e.GetTouchMinor(j),
e.GetOrientation(j),
e.GetAxisValue(Axis.Distance, j),
e.GetAxisValue(Axis.Tilt, j));
}
mCurX = e.GetX();
mCurY = e.GetY();
}
return(true);
}