public override void OnMouseMoved()
{
base.OnMouseMoved();
if (_mouseCoord == null)
{
return;
}
var bounds = Bounds;
if (bounds.Width == 0)
{
return;
}
var handleIndex = InternalChild.Widgets.IndexOf(_handleDown);
Grid.Proportion firstProportion, secondProportion;
float fp;
var position = Desktop.MousePosition;
if (Orientation == Orientation.Horizontal)
{
var firstWidth = position.X - bounds.X - _mouseCoord.Value;
for (var i = 0; i < handleIndex - 1; ++i)
{
firstWidth -= InternalChild.GetColumnWidth(i);
}
fp = (float)Widgets.Count * firstWidth / (bounds.Width - _handlesSize);
firstProportion = InternalChild.ColumnsProportions[handleIndex - 1];
secondProportion = InternalChild.ColumnsProportions[handleIndex + 1];
}
else
{
var firstHeight = position.Y - bounds.Y - _mouseCoord.Value;
for (var i = 0; i < handleIndex - 1; ++i)
{
firstHeight -= InternalChild.GetRowHeight(i);
}
fp = (float)Widgets.Count * firstHeight / (bounds.Height - _handlesSize);
firstProportion = InternalChild.RowsProportions[handleIndex - 1];
secondProportion = InternalChild.RowsProportions[handleIndex + 1];
}
if (fp >= 0 && fp <= 2.0f)
{
var fp2 = firstProportion.Value + secondProportion.Value - fp;
firstProportion.Value = fp;
secondProportion.Value = fp2;
FireProportionsChanged();
}
}
private Rectangle GetItemBounds(int index)
{
var bounds = InternalChild.Bounds;
if (Orientation == Orientation.Horizontal)
{
return(new Rectangle(bounds.X + InternalChild.GetCellLocationX(index),
bounds.Y,
InternalChild.GetColumnWidth(index),
bounds.Height));
}
return(new Rectangle(bounds.X,
bounds.Y + InternalChild.GetCellLocationY(index),
bounds.Width,
InternalChild.GetRowHeight(index)));
}
