Method ProcessMotion

src/gestureclick.cpp:141–239

}

mousecmd::mousecmd CGestureClick::ProcessMotion (int dxPix, int dyPix, unsigned int xCurr, unsigned int yCurr)
{
	if (!m_enabled) return mousecmd::CMD_NO_CLICK;

	mousecmd::mousecmd retval= mousecmd::CMD_NO_CLICK;
	
	// Do move.
	float despl= sqrtf ((float) (dxPix*dxPix + dyPix*dyPix));
	
	// Gesture click
	switch (m_state) {
	case DWELL_TIME:
		// This state waits until the dwell time has expired
		if (despl> m_dwellToleranceArea) {
			// Pointer moving. Reset countdown and remove
			// visual alerts
			if (m_visualAlertsEnabled)	m_progressVisualAlert.End();
			m_dwellCountdown.Reset();
		}
		else {
			// Pointer stopped
			if (m_dwellCountdown.HasExpired()) {
				if (m_visualAlertsEnabled)	m_progressVisualAlert.End();

				m_dwellCountdown.Reset();
				m_xIniGesture = xCurr;
				m_yIniGesture = yCurr;
				m_state = COMPUTE_DIRECTION;
			}
			else if (m_visualAlertsEnabled)
				m_progressVisualAlert.Update
					(xCurr, yCurr, m_dwellCountdown.PercentagePassed());
		}
		break;
	case COMPUTE_DIRECTION:
		if (despl> m_dwellToleranceArea) {
			// Pointer moving
			if (m_visualAlertsEnabled) {
				m_progressVisualAlert.End();
				m_gestureVisualAlert.Update(xCurr, yCurr);
			}
			if (!m_fastGestureAction) m_dwellCountdown.Reset();
		}
		else {
			// Pointer static
			if (m_dwellCountdown.HasExpired()) {
				// Countdown expired
				
				// Remove visual alerts
				if (m_visualAlertsEnabled) {
					m_gestureVisualAlert.End();
					m_progressVisualAlert.End();
				}
				
				// Compute motion from iniGesture point
				int dxPixels= xCurr - m_xIniGesture;
				int dyPixels= yCurr - m_yIniGesture;