private ProfileEventData.ProfileContext.Event GetEventFromMousePosition(int x, int y)
{
if (x < 0 || x > ClientSize.Width)
{
return(null);
}
int contextmaxy = (int)m_YOffset;
int contextStart = (int)m_YOffset;
FindEventContext findContext = new FindEventContext();
int width = ClientSize.Width;
findContext.Time = ConvertXToTime(x);
// find which context it's in
foreach (ProfileEventData.ProfileContext context in m_Data.Contexts.Values)
{
if (context.Heads.Count == 0)
{
continue;
}
contextmaxy += TitleHeight;
contextmaxy += ((context.MaxLevel + 1) * EventHeight);
if (y < contextmaxy)
{
findContext.TargetDepth = ((y - contextStart) - TitleHeight) / (EventHeight);
foreach (ProfileEventData.ProfileContext.Event profileEvent in context.Heads)
{
ProfileEventData.ProfileContext.Event foundEvent = GetEventFromMousePositionInContext(findContext, profileEvent);
if (foundEvent != null)
{
return(foundEvent);
}
}
}
contextStart = contextmaxy;
}
return(null);
}
private ProfileEventData.ProfileContext.Event GetEventFromMousePositionInContext(FindEventContext findContext, ProfileEventData.ProfileContext.Event profileEvent)
{
if (findContext.Time >= profileEvent.Time &&
findContext.Time <= profileEvent.EndTime)
{
// could be in this one, if the depth is good
if (findContext.TargetDepth == profileEvent.Level)
{
return(profileEvent);
}
// depth isn't correct, search the childs
if (profileEvent.Child != null)
{
ProfileEventData.ProfileContext.Event child = profileEvent.Child;
while (child != null)
{
profileEvent = GetEventFromMousePositionInContext(findContext, child);
if (profileEvent != null)
{
return(profileEvent);
}
child = child.Sibling;
}
}
}
return(null);
}
