private void StartDrag(IPropHolder widget, bool isXFixed, bool isYFixed, DragCtx dragCtx)
{
if (isXFixed && isYFixed)
{
return;
}
var devLoc = _device.GetPointedLocation();
if (dragCtx.IsDragging)
{
return;
}
dragCtx.IsDragging = true;
dragCtx.Set(devLoc);
widget.WithProp(_onUpdateDrag !);
}
private void Dragging(IWidget widget, bool isXFixed, bool isYFixed, DragCtx dragCtx)
{
var devLoc = _device.GetPointedLocation();
var devX = devLoc.X;
var devY = devLoc.Y;
var(x, y, w, h) = widget.Space;
if (Math.Abs(dragCtx.DevX - devX) < 0.01f && Math.Abs(dragCtx.DevY - devY) < 0.01f)
{
return;
}
var nx = x + (isXFixed ? 0 : devX - dragCtx.DevX);
var ny = y + (isYFixed ? 0 : devY - dragCtx.DevY);
(nx, ny) = CheckBounds(widget, nx, ny, isXFixed, isYFixed);
WidgetsSpaceHelper.UpdateSpace(widget, new RectangleF(nx, ny, w, h));
dragCtx.Set(devLoc);
}
