private void UpdateMouse(TimeSpan deltaTime)
{
// ----- Update mouse states.
_previousMouseState = _newMouseState;
_newMouseState = Mouse.GetState();
MousePosition = MousePositionRaw;
MousePositionDelta = MousePositionDeltaRaw;
// ----- Find pressed mouse button.
MouseButtons? pressedMouseButton = null;
foreach (MouseButtons button in _mouseButtons)
{
if (IsDown(ref _newMouseState, button) && IsUp(ref _previousMouseState, button))
{
pressedMouseButton = button;
break;
}
}
// ----- Handle mouse button double clicks and button repetition.
_lastMouseButton.IsDoubleClick = false;
_lastMouseButton.IsVirtualPress = false;
if (!pressedMouseButton.HasValue)
{
// No mouse button pressed.
// Increase or reset down duration.
if (IsDown(_lastMouseButton.Button))
{
// Previously pressed mouse button is still down.
// Increase down duration.
_lastMouseButton.DownDuration += deltaTime;
// If the start interval is exceeded, we generate a virtual button press.
if (_lastMouseButton.DownDuration >= Settings.RepetitionDelay)
{
// Generate virtual button press.
_lastMouseButton.IsVirtualPress = true;
// Subtract repetition interval from down duration. This way the repetition interval
// must pass until the if condition is true again.
_lastMouseButton.DownDuration -= Settings.RepetitionInterval;
}
}
else
{
// Reset down duration.
_lastMouseButton.DownDuration = TimeSpan.Zero;
}
// Measure time between clicks.
if (_lastMouseButton.TimeSinceLastClick != TimeSpan.MaxValue)
_lastMouseButton.TimeSinceLastClick += deltaTime;
}
else
{
// Mouse button was pressed.
// Check for double-click.
if (pressedMouseButton == _lastMouseButton.Button
&& _lastMouseButton.TimeSinceLastClick < Settings.DoubleClickTime - deltaTime
&& Vector2F.Absolute(_lastMouseButton.MouseClickPosition - MousePosition) < Settings.DoubleClickSize)
{
// Double-click detected.
_lastMouseButton.IsDoubleClick = true;
// The current click cannot be used for another double-click.
_lastMouseButton.TimeSinceLastClick = TimeSpan.MaxValue;
}
else
{
// Wrong button pressed or button pressed too late.
// Restart double-click logic.
_lastMouseButton.TimeSinceLastClick = TimeSpan.Zero;
}
_lastMouseButton.Button = pressedMouseButton.Value;
_lastMouseButton.DownDuration = TimeSpan.Zero;
_lastMouseButton.MouseClickPosition = MousePosition;
}
// ----- Reset mouse position if mouse-centering is enabled.
if (EnableMouseCentering)
if (GlobalSettings.PlatformID != PlatformID.WindowsPhone7 && GlobalSettings.PlatformID != PlatformID.WindowsPhone8 && GlobalSettings.PlatformID != PlatformID.Android && GlobalSettings.PlatformID != PlatformID.iOS)
Mouse.SetPosition((int)Settings.MouseCenter.X, (int)Settings.MouseCenter.Y);
}