internal override IInputElement InputHitTest(PTS.FSPOINT pt)
{
IInputElement ie = null;
// Query paragraph details
PTS.FSSUBTRACKDETAILS subtrackDetails;
PTS.Validate(PTS.FsQuerySubtrackDetails(PtsContext.Context, _paraHandle.Value, out subtrackDetails));
// Hittest subtrack content.
// There might be possibility to get empty sub-track, skip the sub-track
// in such case.
if (subtrackDetails.cParas != 0)
{
// Get list of paragraphs
PTS.FSPARADESCRIPTION [] arrayParaDesc;
PtsHelper.ParaListFromSubtrack(PtsContext, _paraHandle.Value, ref subtrackDetails, out arrayParaDesc);
// Render list of paragraphs
ie = PtsHelper.InputHitTestParaList(PtsContext, pt, ref subtrackDetails.fsrc, arrayParaDesc);
}
// If nothing is hit, return the owner of the paragraph.
if (ie == null && _rect.Contains(pt))
{
ie = Paragraph.Element as IInputElement;
}
return(ie);
}
internal static IInputElement InputHitTestTrack(PtsContext ptsContext, PTS.FSPOINT pt, ref PTS.FSTRACKDESCRIPTION trackDesc)
{
if (trackDesc.pfstrack == IntPtr.Zero)
{
return(null);
}
IInputElement result = null;
PTS.FSTRACKDETAILS fstrackdetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out fstrackdetails));
if (fstrackdetails.cParas != 0)
{
PTS.FSPARADESCRIPTION[] arrayParaDesc;
PtsHelper.ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref fstrackdetails, out arrayParaDesc);
result = PtsHelper.InputHitTestParaList(ptsContext, pt, ref trackDesc.fsrc, arrayParaDesc);
}
return(result);
}
internal override IInputElement InputHitTest(PTS.FSPOINT pt)
{
IInputElement inputElement = null;
PTS.FSSUBTRACKDETAILS fssubtrackdetails;
PTS.Validate(PTS.FsQuerySubtrackDetails(base.PtsContext.Context, this._paraHandle.Value, out fssubtrackdetails));
if (fssubtrackdetails.cParas != 0)
{
PTS.FSPARADESCRIPTION[] arrayParaDesc;
PtsHelper.ParaListFromSubtrack(base.PtsContext, this._paraHandle.Value, ref fssubtrackdetails, out arrayParaDesc);
inputElement = PtsHelper.InputHitTestParaList(base.PtsContext, pt, ref fssubtrackdetails.fsrc, arrayParaDesc);
}
if (inputElement == null && this._rect.Contains(pt))
{
inputElement = (base.Paragraph.Element as IInputElement);
}
return(inputElement);
}