void QgsAdvancedDigitizingDockWidget::updateUnlockedConstraintValues( const QgsPointXY &point )
{
bool previousPointExist, penulPointExist;
QgsPointXY previousPt = previousPoint( &previousPointExist );
QgsPointXY penultimatePt = penultimatePoint( &penulPointExist );
// --- angle
if ( !mAngleConstraint->isLocked() && previousPointExist )
{
double angle = 0.0;
if ( penulPointExist && mAngleConstraint->relative() )
{
// previous angle
angle = std::atan2( previousPt.y() - penultimatePt.y(),
previousPt.x() - penultimatePt.x() );
}
angle = ( std::atan2( point.y() - previousPt.y(),
point.x() - previousPt.x()
) - angle ) * 180 / M_PI;
// modulus
angle = std::fmod( angle, 360.0 );
mAngleConstraint->setValue( angle );
}
// --- distance
if ( !mDistanceConstraint->isLocked() && previousPointExist )
{
mDistanceConstraint->setValue( std::sqrt( previousPt.sqrDist( point ) ) );
}
// --- X
if ( !mXConstraint->isLocked() )
{
if ( previousPointExist && mXConstraint->relative() )
{
mXConstraint->setValue( point.x() - previousPt.x() );
}
else
{
mXConstraint->setValue( point.x() );
}
}
// --- Y
if ( !mYConstraint->isLocked() )
{
if ( previousPointExist && mYConstraint->relative() )
{
mYConstraint->setValue( point.y() - previousPt.y() );
}
else
{
mYConstraint->setValue( point.y() );
}
}
}
void kCallBack(char ch)
{
switch(ch)
{
case ' ':
saveDataFile(file_set[cur_file_ptr]);
loadNext();
break;
case '\n':
saveDataFile(file_set[cur_file_ptr]);
loadPrevious();
break;
case 'p':
loadPrevious();
break;
case 'q':
exitLBT();
break;
case 'n':
loadNext();
break;
case '=':
nextPoint();
showImage();
break;
case '-':
previousPoint();
showImage();
break;
case '[':
previousAttrVal();
showImage();
break;
case ']':
nextAttrVal();
showImage();
break;
case 'c':
if(lb_type==TYPE_SQR)
{
saveSQR();
}
}
if(ch>='0'&&ch<='9'&&lb_type==TYPE_DEG)
{
degree = ch-'0';
printf("%c\n",ch);
showImage();
}
}
bool QgsAdvancedDigitizingDockWidget::alignToSegment( QgsMapMouseEvent *e, CadConstraint::LockMode lockMode )
{
if ( mAdditionalConstraint == NoConstraint )
{
return false;
}
bool previousPointExist, penulPointExist, snappedSegmentExist;
QgsPointXY previousPt = previousPoint( &previousPointExist );
QgsPointXY penultimatePt = penultimatePoint( &penulPointExist );
mSnappedSegment = snapSegmentToAllLayers( e->originalMapPoint(), &snappedSegmentExist );
if ( !previousPointExist || !snappedSegmentExist )
{
return false;
}
double angle = std::atan2( mSnappedSegment[0].y() - mSnappedSegment[1].y(), mSnappedSegment[0].x() - mSnappedSegment[1].x() );
if ( mAngleConstraint->relative() && penulPointExist )
{
angle -= std::atan2( previousPt.y() - penultimatePt.y(), previousPt.x() - penultimatePt.x() );
}
if ( mAdditionalConstraint == Perpendicular )
{
angle += M_PI_2;
}
angle *= 180 / M_PI;
mAngleConstraint->setValue( angle );
mAngleConstraint->setLockMode( lockMode );
if ( lockMode == CadConstraint::HardLock )
{
mAdditionalConstraint = NoConstraint;
}
return true;
}
