/// <summary>
/// Given the item and the subitem, calculate its bounds.
/// </summary>
/// <param name="item"></param>
/// <param name="subItem"></param>
/// <returns></returns>
public virtual Rectangle CalculateItemBounds(OLVListItem item, OLVListSubItem subItem)
{
if (item == null)
{
return(Rectangle.Empty);
}
if (subItem == null)
{
return(item.Bounds);
}
return(item.GetSubItemBounds(item.SubItems.IndexOf(subItem)));
}
/// <summary>
/// Return bounds of the given subitem
/// </summary>
/// <remarks>This correctly calculates the bounds even for column 0.</remarks>
public virtual Rectangle GetSubItemBounds(int subItemIndex)
{
if (subItemIndex == 0)
{
Rectangle r = this.Bounds;
Point sides = NativeMethods.GetScrolledColumnSides(this.ListView, subItemIndex);
r.X = sides.X + 1;
r.Width = sides.Y - sides.X;
return(r);
}
OLVListSubItem subItem = this.GetSubItem(subItemIndex);
return(subItem == null ? new Rectangle() : subItem.Bounds);
}
/// <summary>
/// Create a OlvListViewHitTestInfo
/// </summary>
public OlvListViewHitTestInfo(OLVListItem olvListItem, OLVListSubItem subItem, int flags, OLVGroup group)
{
this.item = olvListItem;
this.subItem = subItem;
this.location = ConvertNativeFlagsToDotNetLocation(olvListItem, flags);
this.HitTestLocationEx = (HitTestLocationEx)flags;
this.Group = group;
switch (location)
{
case ListViewHitTestLocations.StateImage:
this.HitTestLocation = HitTestLocation.CheckBox;
break;
case ListViewHitTestLocations.Image:
this.HitTestLocation = HitTestLocation.Image;
break;
case ListViewHitTestLocations.Label:
this.HitTestLocation = HitTestLocation.Text;
break;
default:
if ((this.HitTestLocationEx & HitTestLocationEx.LVHT_EX_GROUP_COLLAPSE) == HitTestLocationEx.LVHT_EX_GROUP_COLLAPSE)
{
this.HitTestLocation = HitTestLocation.GroupExpander;
}
else if ((this.HitTestLocationEx & HitTestLocationEx.LVHT_EX_GROUP_MINUS_FOOTER_AND_BKGRD) != 0)
{
this.HitTestLocation = HitTestLocation.Group;
}
else
{
this.HitTestLocation = HitTestLocation.Nothing;
}
break;
}
}
