private void Pan(TimerState ts)
{
m_GraphView.viewTransform.position -= m_PanDiff;
m_ItemPanDiff += m_PanDiff;
foreach (KeyValuePair <GraphElement, Rect> v in m_OriginalPos)
{
GraphElement ce = v.Key;
Matrix4x4 g = ce.worldTransform;
var scale = new Vector3(g.m00, g.m11, g.m22);
Rect ceLayout = ce.GetPosition();
ce.SetPosition(
new Rect(v.Value.x - (m_MouseDiff.x - m_ItemPanDiff.x) * panSpeed.x / scale.x,
v.Value.y - (m_MouseDiff.y - m_ItemPanDiff.y) * panSpeed.y / scale.y,
ceLayout.width, ceLayout.height));
}
}
void MoveElements(float deltaX, float deltaY)
{
if (m_ContainedElements != null)
{
m_IsMovingElements = true;
for (int i = 0; i < m_ContainedElements.Count; ++i)
{
GraphElement subElement = m_ContainedElements[i];
if (m_IsUpdatingGeometryFromContent == false)
{
Rect currentPosition = subElement.GetPosition();
subElement.SetPosition(new Rect(currentPosition.x + deltaX, currentPosition.y + deltaY, currentPosition.width, currentPosition.height));
}
}
m_IsMovingElements = false;
}
}
protected new void OnMouseMove(MouseMoveEvent e)
{
if (!target.HasMouseCapture())
{
// We lost the capture. Since we still receive mouse events,
// the MouseDown target must have taken it in its ExecuteDefaultAction().
// Stop processing the event sequence, then.
// FIXME: replace this by a handler on the upcoming LostCaptureEvent.
m_PrevDropTarget = null;
m_Active = false;
}
if (!m_Active)
{
return;
}
if (m_GraphView == null)
{
return;
}
var ve = (VisualElement)e.target;
Vector2 gvMousePos = ve.ChangeCoordinatesTo(m_GraphView.contentContainer, e.localMousePosition);
m_PanDiff = GetEffectivePanSpeed(gvMousePos);
if (m_PanDiff != Vector3.zero)
{
m_PanSchedule.Resume();
}
else
{
m_PanSchedule.Pause();
}
// We need to monitor the mouse diff "by hand" because we stop positionning the graph elements once the
// mouse has gone out.
m_MouseDiff = m_originalMouse - e.mousePosition;
foreach (KeyValuePair <GraphElement, Rect> v in m_OriginalPos)
{
GraphElement ce = v.Key;
Matrix4x4 g = ce.worldTransform;
var scale = new Vector3(g.m00, g.m11, g.m22);
Rect ceLayout = ce.GetPosition();
ce.SetPosition(
new Rect(v.Value.x - (m_MouseDiff.x - m_ItemPanDiff.x) * panSpeed.x / scale.x,
v.Value.y - (m_MouseDiff.y - m_ItemPanDiff.y) * panSpeed.y / scale.y,
ceLayout.width, ceLayout.height));
}
List <ISelectable> selection = m_GraphView.selection;
// TODO: Replace with a temp drawing or something...maybe manipulator could fake position
// all this to let operation know which element sits under cursor...or is there another way to draw stuff that is being dragged?
IDropTarget dropTarget = GetDropTargetAt(e.localMousePosition);
if (m_PrevDropTarget != dropTarget && m_PrevDropTarget != null)
{
using (IMGUIEvent eexit = IMGUIEvent.GetPooled(e.imguiEvent))
{
eexit.imguiEvent.type = EventType.DragExited;
SendDragAndDropEvent(eexit, selection, m_PrevDropTarget);
}
}
using (IMGUIEvent eupdated = IMGUIEvent.GetPooled(e.imguiEvent))
{
eupdated.imguiEvent.type = EventType.DragUpdated;
SendDragAndDropEvent(eupdated, selection, dropTarget);
}
m_PrevDropTarget = dropTarget;
selectedElement = null;
e.StopPropagation();
}
