/** This is a utility function to return the screen X position of
* a left-positioned symbol (as defined by isLeftPositioned()).
* This finds the hotspot of the next symbol in the time slice
* which isLeftPositioned() (or the hotspot of the time slice itself
* if there are no more) and subtracts from its X value
* the (measure width - 10) / (the measure symbol count - 1).
*/
protected int findLeftPositionedX()
{
FinalPoint nextHotspot = null;
for (int i = getIndex() + 1; i < getParentTimeSlice().getMusicSymbolCount(); ++i)
{
MusicSymbol nextSymbol = getParentTimeSlice().getMusicSymbol(i);
if (nextSymbol.isLeftPositionedSymbol())
{
nextHotspot = nextSymbol.getScreenHotspot();
break;
}
}
if (nextHotspot == null)
{
// No next left positioned symbol, so use the time slice
nextHotspot = getParentTimeSlice().getScreenHotspot();
}
MeasureStartTimeSlice measure = getParentTimeSlice().getParentMeasureStart();
// Note that we know measure.getSymbolCount() is at least one
return(nextHotspot.x -
(measure.getWidth() - 10) / (measure.getSymbolCount() - 1));
}
