public virtual void StopDrag(Point point)
{
if (IsBeingDragged)
{
DragAction?.Invoke(false, point, this);
DragElement = null;
DragPosition = null;
TempDragPoint = null;
}
}
public virtual void PerformClick(Point point, bool right, bool release, bool hold)
{
if (OutOfBounds || Disabled)
{
return;
}
if ((ClickAction != null || IsSelectable) && Bounds.Contains(point))
{
if (IsSelectable && !right && release)
{
if (IsSelected)
{
Deselect();
}
else
{
Select();
}
}
if (IsDraggable && !right && hold && DragElement == null && DragAction != null && DragAction.Invoke(true, point, this) && !IsBeingDragged)
{
DragElement = this;
DragPosition = null;
TempDragPoint = null;
if (DragPoint == Vector2.Zero)
{
var b = Bounds;
TempDragPoint = new Point(point.X - b.X, point.Y - b.Y);
}
PerformMouseMove(point);
}
if (IsBeingDragged && release && DragAction != null && DragAction.Invoke(false, point, this))
{
DragPosition = null;
DragElement = null;
TempDragPoint = null;
}
ClickAction?.Invoke(point, right, release, hold, this);
}
foreach (UIElement child in Children.Where(c => c.Visible))
{
try
{
child.PerformClick(point, right, release, hold);
}
catch { }
}
}
/// <summary>
/// Handle dragging the mouse within the game world.
/// </summary>
/// <param name="onStart">The method to be executed when mouse button is clicked first. Gets the mouse position as argument.</param>
/// <param name="onDrag">The method to be executed when the mouse button remains clicked. Gets the mouse position as argument.</param>
/// <param name="onStop">The method to be executed when the mouse button is released. Gets the mouse position as argument.</param>
private void HandleWorldDrag(DragAction onStart, DragAction onDrag, DragAction onStop)
{
bool dragStart = Input.GetMouseButtonDown(0);
bool dragContinued = Input.GetMouseButton(0);
bool dragStopped = Input.GetMouseButtonUp(0);
if (dragStart)
{
onStart.Invoke(Input.mousePosition);
}
if (dragContinued)
{
onDrag.Invoke(Input.mousePosition);
}
if (dragStopped)
{
onStop.Invoke(Input.mousePosition);
}
}
/// <summary>
/// Handle dragging the mouse within the game world.
/// </summary>
/// <param name="onStart">The method to be executed when mouse button is clicked first. Gets the mouse position as argument.</param>
/// <param name="onDrag">The method to be executed when the mouse button remains clicked. Gets the mouse position as argument.</param>
/// <param name="onStop">The method to be executed when the mouse button is released. Gets the mouse position as argument.</param>
private void HandleWorldDrag(DragAction onStart, DragAction onDrag, DragAction onStop)
{
bool dragStart = Input.GetMouseButtonDown(0);
bool dragContinued = Input.GetMouseButton(0);
bool dragStopped = Input.GetMouseButtonUp(0);
if (dragStart)
{
onStart.Invoke(Input.mousePosition);
}
if (dragContinued)
{
onDrag.Invoke(Input.mousePosition);
}
if (dragStopped)
{
onStop.Invoke(Input.mousePosition);
}
}