private void mouseMoveHandler(object sender, MouseEventArgs e)
{
var startCtrl = sender as Control;
var curCtrl = Utils.ApplyRecursiveControlFunc(this, FindControlWithMouse) as Control;
TileWindow wnd = null;
if (inputWnd.WindowIs(curCtrl))
{
wnd = inputWnd;
}
else if (spriteWnd.WindowIs(curCtrl))
{
wnd = spriteWnd;
}
int x = 0, y = 0;
if (_drag != null && _drag.IsEdge)
{
x = e.X;
y = e.Y;
}
else if (wnd != null)
{
// When the mouse is held, e.X and e.Y are relative to startCtrl.Location
Point toCur = new Point(
curCtrl.Location.X - startCtrl.Location.X,
curCtrl.Location.Y - startCtrl.Location.Y
);
x = e.X - toCur.X;
y = e.Y - toCur.Y;
}
bool changed;
if (_drag == null)
{
if (wnd == spriteWnd)
{
changed = spriteWnd.HighlightEdgeAt(x, y);
}
else
{
changed = spriteWnd.ClearMousedEdge();
}
}
else
{
Selection sel = _drag.Update(wnd, x, y);
if (Transfer.Dest == null)
{
changed = sel != null;
}
else
{
changed = !Transfer.Dest.Equals(sel);
}
Transfer.Dest = sel;
}
if (wnd != null && changed)
{
wnd.Draw();
}
}