private static void DrawNavigationArrow(Vector2 direction, IWindowNavigation fromObj, IWindowNavigation toObj)
{
if (fromObj == null || toObj == null)
{
return;
}
var fromTransform = fromObj.GetRectTransform();
var toTransform = toObj.GetRectTransform();
Vector2 sideDir = new Vector2(direction.y, -direction.x);
Vector3 fromPoint = fromTransform.TransformPoint(WindowComponentNavigation.GetPointOnRectEdge(fromTransform, direction));
Vector3 toPoint = toTransform.TransformPoint(WindowComponentNavigation.GetPointOnRectEdge(toTransform, -direction));
float fromSize = UnityEditor.HandleUtility.GetHandleSize(fromPoint) * 0.05f;
float toSize = UnityEditor.HandleUtility.GetHandleSize(toPoint) * 0.05f;
fromPoint += fromTransform.TransformDirection(sideDir) * fromSize;
toPoint += toTransform.TransformDirection(sideDir) * toSize;
float length = Vector3.Distance(fromPoint, toPoint);
Vector3 fromTangent = fromTransform.rotation * direction * length * 0.3f;
Vector3 toTangent = toTransform.rotation * -direction * length * 0.3f;
UnityEditor.Handles.DrawBezier(fromPoint, toPoint, fromPoint + fromTangent, toPoint + toTangent, UnityEditor.Handles.color, null, kArrowThickness);
UnityEditor.Handles.DrawAAPolyLine(kArrowThickness, toPoint, toPoint + toTransform.rotation * (-direction - sideDir) * toSize * kArrowHeadSize);
UnityEditor.Handles.DrawAAPolyLine(kArrowThickness, toPoint, toPoint + toTransform.rotation * (-direction + sideDir) * toSize * kArrowHeadSize);
}
private static void DrawNavigationForSelectable(IWindowNavigation sel)
{
if (sel == null)
{
return;
}
var transform = sel.GetRectTransform();
bool active = UnityEditor.Selection.transforms.Any(e => e == transform);
UnityEditor.Handles.color = new Color(1.0f, 0.9f, 0.1f, active ? 1.0f : 0.4f);
WindowComponentNavigation.DrawNavigationArrow(-Vector2.right, sel, sel.NavigationFindLeft());
WindowComponentNavigation.DrawNavigationArrow(Vector2.right, sel, sel.NavigationFindRight());
WindowComponentNavigation.DrawNavigationArrow(Vector2.up, sel, sel.NavigationFindUp());
WindowComponentNavigation.DrawNavigationArrow(-Vector2.up, sel, sel.NavigationFindDown());
}
private static void DrawNavigationArrow(Vector2 direction, IWindowNavigation fromObj, IWindowNavigation toObj) {
if (fromObj == null || toObj == null) return;
var fromTransform = fromObj.GetRectTransform();
var toTransform = toObj.GetRectTransform();
Vector2 sideDir = new Vector2(direction.y, -direction.x);
Vector3 fromPoint = fromTransform.TransformPoint(WindowComponentNavigation.GetPointOnRectEdge(fromTransform, direction));
Vector3 toPoint = toTransform.TransformPoint(WindowComponentNavigation.GetPointOnRectEdge(toTransform, -direction));
float fromSize = UnityEditor.HandleUtility.GetHandleSize(fromPoint) * 0.05f;
float toSize = UnityEditor.HandleUtility.GetHandleSize(toPoint) * 0.05f;
fromPoint += fromTransform.TransformDirection(sideDir) * fromSize;
toPoint += toTransform.TransformDirection(sideDir) * toSize;
float length = Vector3.Distance(fromPoint, toPoint);
Vector3 fromTangent = fromTransform.rotation * direction * length * 0.3f;
Vector3 toTangent = toTransform.rotation * -direction * length * 0.3f;
UnityEditor.Handles.DrawBezier(fromPoint, toPoint, fromPoint + fromTangent, toPoint + toTangent, UnityEditor.Handles.color, null, kArrowThickness);
UnityEditor.Handles.DrawAAPolyLine(kArrowThickness, toPoint, toPoint + toTransform.rotation * (-direction - sideDir) * toSize * kArrowHeadSize);
UnityEditor.Handles.DrawAAPolyLine(kArrowThickness, toPoint, toPoint + toTransform.rotation * (-direction + sideDir) * toSize * kArrowHeadSize);
}
private static void DrawNavigationForSelectable(IWindowNavigation sel) {
if (sel == null) return;
var transform = sel.GetRectTransform();
bool active = UnityEditor.Selection.transforms.Any(e => e == transform);
UnityEditor.Handles.color = new Color(1.0f, 0.9f, 0.1f, active ? 1.0f : 0.4f);
WindowComponentNavigation.DrawNavigationArrow(-Vector2.right, sel, sel.NavigationFindLeft());
WindowComponentNavigation.DrawNavigationArrow(Vector2.right, sel, sel.NavigationFindRight());
WindowComponentNavigation.DrawNavigationArrow(Vector2.up, sel, sel.NavigationFindUp());
WindowComponentNavigation.DrawNavigationArrow(-Vector2.up, sel, sel.NavigationFindDown());
}
