private void OnMouseMove(MouseMoveEventArgs ev)
{
if (_window.IsMouseButtonDown(MouseButton.Right))
{
_graph.IsCameraAutoControlled = false;
var delta = ev.Delta;
delta.Y = -delta.Y;
_graph.Camera.Target.Position += (delta / _window.ClientSize.Y) * _graph.Camera.Target.VerticalSize;
}
if (_window.IsMouseButtonDown(MouseButton.Left))
{
var p = ClientToView(ev.Position);
var r = new Box2(p, p);
r.Inflate(_mouseDownStartPt);
_graph.DragRectangle = r;
}
_graph.ViewportWidth = _window.ClientSize.X;
_graph.ViewportHeight = _window.ClientSize.Y;
_graph.MousePosition = ClientToView(ev.Position);
if (_graph.TryGetMouseover(ClientToView(ev.Position), out var targetPt))
{
_graph.MouseoverTarget = targetPt;
}
else
{
_graph.MouseoverTarget = default;
}
}
protected override void OnMouseMove(MouseEventArgs mm)
{
base.OnMouseMove(mm);
var renSize = _control.RenderSize;
var size = new Vector2((float)renSize.Width, (float)renSize.Height);
var clientPosPt = mm.GetPosition(_control);
var screenPt = ClientToView(clientPosPt);
Graph.State.MousePosition = screenPt;
var clientPos = new Vector2((float)clientPosPt.X, (float)clientPosPt.Y);
if (mm.LeftButton == MouseButtonState.Pressed)
{
var p = screenPt;
var r = new Box2(p, p);
r.Inflate(_mouseDownStartPt);
Graph.State.DragRectangle = r;
}
if (mm.RightButton == MouseButtonState.Pressed)
{
Graph.State.IsCameraAutoControlled = false;
var delta = clientPos - _lastMouse;
delta.Y = -delta.Y;
var moveDelta = (delta / (float)size.Y) * Graph.State.Camera.Current.VerticalSize;
Graph.State.Camera.Target.Position += moveDelta;
}
if (Graph.State.TryGetMouseover(screenPt, out var targetPt))
{
Graph.State.MouseoverTarget = targetPt;
}
else
{
Graph.State.MouseoverTarget = null;
}
_lastMouse = clientPos;
}
