void TouchDial::mouseMoveEvent(QMouseEvent *event)
{
if(m_readOnly) return;
const int w = width();
const int h = height();
const int d = qMin(w, h);
const int r = d / 2;
const int xoff = (w - d) / 2;
const int yoff = (h - d) / 2;
QPointF localPos = event->localPos();
double x = (localPos.x() - xoff - r);
double y = (localPos.y() - yoff - r);
double angle = atan(y / x);
if(x < 0.0) angle += M_PI;
else if(y < 0.0) angle += 2 * M_PI;
else angle -= M_PI / 4;
double value = angleToValue(angle) * (m_maximumValue - m_minimumValue) + m_minimumValue;
// Correct dead zone
if(angle < (3.0 * M_PI) / 4.0 && angle > M_PI / 2.0 && value > 0.5) value = m_minimumValue;
setValue(value);
update();
}
/*
* Set Angle for Joint
* In: Joint, angle in dgr
* Returns angle that has been set
*/
float setAngle(Joint joint, float angle) {
//Variables
u32 value, realValue;
float realAngle;
//Convert angle to value
value = angleToValue(joint, angle);
// Set Value
realValue = setValue(joint, value);
//Compute Real angle
realAngle = valToAngle(joint, realValue);
//Return
return realAngle;
}
/*
* Move to Absolute Angle
*/
float moveToAbsAngle(Joint joint, float dgr) {
//Variables
u32 val, realVal;
float angle;
//Get final steps
val = angleToValue(joint, dgr);
//Move
realVal = moveTo(joint, val);
//Get Current Angle
angle = valToAngle(joint, realVal);
//Return
return angle;
}
