private bool SetSelected(LogLineIndex from, LogLineIndex to, SelectMode selectMode)
{
bool changed = false;
if (selectMode == SelectMode.Replace)
{
if (_hoveredIndices.Count > 0)
{
changed = true;
}
_hoveredIndices.Clear();
}
LogLineIndex min = LogLineIndex.Min(from, to);
LogLineIndex max = LogLineIndex.Max(from, to);
int count = max - min;
for (int i = 0; i <= count /* we want to select everything including 'to' */; ++i)
{
changed |= _selectedIndices.Add(min + i);
}
if (changed)
{
var fn = OnSelectionChanged;
fn?.Invoke(_selectedIndices);
}
return(changed);
}
/// <summary>
/// Creates a new section which spawns from the lowest <see cref="Index" />
/// of the given two sections to the greatest <see cref="LastIndex" />.
/// </summary>
/// <param name="lhs"></param>
/// <param name="rhs"></param>
/// <returns></returns>
public static LogFileSection MinimumBoundingLine(LogFileSection lhs, LogFileSection rhs)
{
LogLineIndex minIndex = LogLineIndex.Min(lhs.Index, rhs.Index);
LogLineIndex maxIndex = LogLineIndex.Max(lhs.Index + lhs.Count, rhs.Index + rhs.Count);
int count = maxIndex - minIndex;
return(new LogFileSection(minIndex, count));
}