/// <summary>
/// This should be called at the beginning of OnGUI of every instance of classes that implement IInspector.
///
/// Handles things like setting the ActiveInspector, updating mouseovered inspector part, and broadcasting various events.
///
/// SEE ALSO: DrawGUI.BeginOnGUI and InspectorUtility.BeginInspectorDrawer.
/// </summary>
public static void BeginInspector([NotNull] IInspector inspector, ref bool anyInspectorPartMouseovered)
{
inspectorBeginScreenPoint = GUIUtility.GUIToScreenPoint(Vector2.zero);
GUISpace.Current = Space.Window;
activeInspectorDrawer = inspector.InspectorDrawer;
ActiveManager = activeInspectorDrawer.Manager;
#if DEV_MODE
Debug.Assert(activeManager.ActiveInstances.Contains(inspector));
#endif
var e = Event.current;
var setMouseoveredPart = inspector.GetMouseoveredPartUpdated(ref anyInspectorPartMouseovered);
if (setMouseoveredPart != InspectorPart.None)
{
inspector.InspectorDrawer.Manager.SetMouseoveredInspector(inspector, setMouseoveredPart);
}
else if (activeManager.MouseoveredInspector == inspector)
{
#if DEV_MODE && DEBUG_SET_MOUSEOVERED_INSPECTOR
Debug.Log(StringUtils.ToColorizedString("SetMouseoveredInspector(", StringUtils.Null, ") with anyInspectorPartMouseovered=", anyInspectorPartMouseovered, ", IgnoreAllMouseInputs=", activeManager.IgnoreAllMouseInputs, ", Cursor.CanRequestLocalPosition=", Cursor.CanRequestLocalPosition, ", Cursor.LocalPosition=", Cursor.LocalPosition, ", windowRect=", inspector.State.WindowRect));
#endif
activeManager.SetMouseoveredInspector(null, InspectorPart.None);
}
activeManager.ActiveInspector = inspector;
var state = inspector.State;
inspector.NowDrawingPart = InspectorPart.Other;
if (OnInspectorGUIBegin != null)
{
OnInspectorGUIBegin(inspector);
}
var mouseDownInfo = activeManager.MouseDownInfo;
// Events like MouseUp, DragUpdated and DragPerformed are normally ignored when the cursor is outside EditorWindow bounds
// but when a field is being dragged we still need those events (especially important for the MouseUp event!)
var type = mouseDownInfo.GetEventTypeForMouseUpDetection(e);
switch (type)
{
case EventType.MouseUp:
case EventType.DragPerform:
case EventType.DragExited:
#if DEV_MODE && DEBUG_DRAG_N_DROP
Debug.Log(StringUtils.ToColorizedString("BeginInspector: " + e.type + " with ObjectReferences=", DrawGUI.Active.DragAndDropObjectReferences, ", MouseDownEventWasUsed=", mouseDownInfo.MouseDownEventWasUsed, ", IgnoreAllMouseInputs=", activeManager.IgnoreAllMouseInputs, ", mouseoveredPart=", setMouseoveredPart, ", button=", Event.current.button + ", mouseDownInfo.Inspector=", mouseDownInfo.Inspector, ", MouseDownOverControl=", mouseDownInfo.MouseDownOverDrawer));
#endif
if (e.type == EventType.DragExited && mouseDownInfo.IsDragExitedReallyMouseLeaveWindowEvent())
{
#if DEV_MODE
Debug.LogWarning("Ignoring DragExited call because IsDragExitedReallyMouseLeaveWindowEvent=" + StringUtils.True + " - cursor probably just left EditorWindow bounds.");
#endif
break;
}
var mouseoveredInspector = activeManager.MouseoveredInspector;
if (!activeManager.IgnoreAllMouseInputs && mouseoveredInspector != null)
{
if (e.type == EventType.DragPerform || (e.type == EventType.MouseUp && Event.current.button == 0))
{
mouseoveredInspector.LastInputTime = Platform.Time;
var reordering = mouseDownInfo.Reordering;
var reorderingTo = reordering.MouseoveredDropTarget.Parent;
if (reorderingTo != null && !mouseDownInfo.IsClick)
{
reorderingTo.OnMemberDragNDrop(mouseDownInfo, DrawGUI.Active.DragAndDropObjectReferences);
}
#if DEV_MODE && DEBUG_DRAG_N_DROP
else
{
Debug.Log(StringUtils.ToColorizedString("Won't call OnMemberDragNDrop. reorderingTo=", reorderingTo, ", mouseDownInfo.IsClick=", mouseDownInfo.IsClick));
}
#endif
}
#if DEV_MODE && DEBUG_DRAG_N_DROP
else
{
Debug.Log(StringUtils.ToColorizedString("Won't call OnMemberDragNDrop. currentEvent.type=", e.type, ", Event.current.button=", Event.current.button));
}
#endif
}
#if DEV_MODE && DEBUG_DRAG_N_DROP
else
{
Debug.Log(StringUtils.ToColorizedString("Won't call OnMemberDragNDrop. IgnoreAllMouseInputs=", activeManager.IgnoreAllMouseInputs, ", setMouseoveredPart=", setMouseoveredPart));
}
#endif
if (mouseDownInfo.Inspector == inspector)
{
if (e.type != EventType.MouseUp || Event.current.button == 0)
{
if (mouseDownInfo.MouseDownOverDrawer != null)
{
#if DEV_MODE
if (!mouseDownInfo.IsClick && !mouseDownInfo.CursorMovedAfterMouseDown)
{
Debug.LogWarning("Calling OnMouseUpAfterDownOverControl with IsClick=" + StringUtils.False + ", but CursorMovedAfterMouseDown was also false. Bug?");
}
#endif
mouseDownInfo.MouseDownOverDrawer.OnMouseUpAfterDownOverControl(e, mouseDownInfo.IsClick);
}
mouseDownInfo.Clear(true);
}
}
break;
case EventType.MouseDown:
#if DEV_MODE && DEBUG_ON_MOUSE_DOWN
Debug.Log(StringUtils.ToColorizedString("BeginInspector(" + inspector + ") - MouseDown with IgnoreAllMouseInputs=", activeManager.IgnoreAllMouseInputs, ", setMouseoveredPart=", setMouseoveredPart));
#endif
if (!activeManager.IgnoreAllMouseInputs && setMouseoveredPart != InspectorPart.None)
{
inspector.LastInputTime = Platform.Time;
inspector.OnMouseDown(e);
//give controls time to react to selection changes, editing text field changes etc.
//before cached values are updated
}
break;
case EventType.KeyDown:
inspector.LastInputTime = Platform.Time;
break;
case EventType.ContextClick:
if (!activeManager.IgnoreAllMouseInputs && setMouseoveredPart != InspectorPart.None)
{
inspector.OnContextClick(e);
}
break;
}
if (state.keyboardControlLastFrame != KeyboardControlUtility.KeyboardControl)
{
state.previousKeyboardControl = state.keyboardControlLastFrame;
state.keyboardControlLastFrame = KeyboardControlUtility.KeyboardControl;
#if UNITY_EDITOR
state.previousKeyboardControlRect = state.keyboardRectLastFrame;
state.keyboardRectLastFrame = KeyboardControlUtility.Info.KeyboardRect;
#endif
}
}