private void LayoutControls()
{
AutoScrollMargin = new Size(0, VerticalScroll.Visible ? SystemInformation.HorizontalScrollBarHeight : 0);
DeckBuilderLayout layout = new DeckBuilderLayout(this);
for (int column = 0; column < columns.Count; column++)
{
for (int row = 0; row < 2; row++)
{
for (int cardNum = 0; cardNum < columns[column][row].Count; cardNum++)
{
// Set location and size.
DeckBuilderCard card = columns[column][row][cardNum];
layout.GetCardLeftAndTop(new CardPosition(column, row, cardNum), out var left, out var top);
card.Left = (int)Math.Round(left);
card.Top = (int)Math.Round(top);
card.Width = (int)Math.Round(layout.cardWidth);
card.Height = (int)Math.Round(layout.cardHeight);
// Set child index.
Controls.SetChildIndex(card, columns[column][row].Count - cardNum);
}
}
}
indicator.BringToFront();
SetCardCounts();
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (dragged == CardPosition.None)
{
return;
}
var columnRowNum = GetPosFromClickCoor(e.X, e.Y, true);
// Check if the hovered area has changed.
if (columnRowNum == hovered)
{
return;
}
// Toggle visibility of indicator or change position.
hovered = columnRowNum;
if (hovered == CardPosition.None)
{
indicator.Hide();
}
else
{
// If the hovered position is immediately before or after the dragged card, don't draw the indicator.
if (hovered.Col == dragged.Col && hovered.Row == dragged.Row && (hovered.Num == dragged.Num || hovered.Num == dragged.Num + 1))
{
indicator.Hide();
}
// Otherwise, draw the indicator.
else
{
DeckBuilderLayout layout = new DeckBuilderLayout(this);
layout.GetCardLeftAndTop(hovered, out var left, out var top);
if (hovered.Num != 0 && hovered.Num == columns[hovered.Col][hovered.Row].Count)
{
// draw at bottom of last card
top += layout.cardHeight - layout.headerSize;
}
indicator.Left = (int)Math.Round(left - 2);
indicator.Top = (int)Math.Round(top - 1);
indicator.Width = (int)Math.Round(layout.cardWidth + 4);
indicator.Height = 2;
indicator.Show();
}
}
Invalidate();
}