private void OnLButtonDown()
{
movingFilter = null;
connectingPin = null;
Filter filter = graph.FilterInPoint(mousepos);
if (filter != null)
{
Pin pin = filter.PinInPoint(mousepos);
if (pin != null && pin.Connection == null) //pin clicked
{
movingStart = mousepos;
connectingPin = pin;
}
else
{ //filter clicked
movingStart = mousepos;
movingFilter = filter;
movingFilter.movingStartCoords = movingFilter.Coords;
graph.PlaceFilter(movingFilter, false); //clear
if (ModifierKeys != Keys.Shift)
{
graph.ClearFiltersSelection();
Program.mainform.propform.SetObject(movingFilter.filterProps);
}
graph.SelectFilter(movingFilter, true);
Invalidate();
}
}
else //no filter clicked
{
int con_id = HoveredConnectionID();// graph.ownersmap[mousepos.X / graph.cellsize, mousepos.Y / graph.cellsize];
graph.ClearFiltersSelection();
if (con_id > 0)
graph.SelectConnection(con_id);
else //click on empty place
{
movingStart = mousepos;
selecting = true;
}
Invalidate();
}
}