/// <summary>
/// This should be called at the beginning of OnGUI of every instance of classes that implement IInspectorDrawer.
///
/// SEE ALSO: DrawGUI.BeginOnGUI and InspectorUtility.BeginInspector.
/// </summary>
/// <param name="inspectorDrawer"> The inspector drawer instance. </param>
/// <param name="splittable"> The inspector drawer if it implements ISplittableInspectorDrawer, otherwise null. </param>
public static void BeginInspectorDrawer([NotNull] IInspectorDrawer inspectorDrawer, [CanBeNull] ISplittableInspectorDrawer splittable)
{
#if DEV_MODE && PI_ASSERTATIONS
Debug.Assert(inspectorDrawer != null);
#endif
var manager = inspectorDrawer.Manager;
activeInspectorDrawer = inspectorDrawer;
ActiveManager = manager;
activeManager.ActiveInspector = inspectorDrawer.MainView;
var e = Event.current;
#if DEV_MODE && PI_ASSERTATIONS
Debug.Assert(e != null);
#endif
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);
if (mouseDownInfo.NowReordering)
{
var reordering = mouseDownInfo.Reordering;
var dropTarget = reordering.MouseoveredDropTarget;
// When reordering and cursor is not above a valid drop target, set DragAndDropVisualMode to rejected,
// unless dragging Object references outside window bounds, where want to allow dragging into other
// EditorWindows.
// UPDATE: This broke drag n drop e.g. from Component header to object reference field inside a custom editor.
//if(dropTarget.Parent == null && ((DrawGUI.Active.DragAndDropObjectReferences.Length == 0 || activeManager.MouseoveredInspector != null)))
if (dropTarget.Parent == null && DrawGUI.Active.DragAndDropObjectReferences.Length == 0)
{
#if DEV_MODE
Debug.LogWarning("Reordering Rejected because dropTarget.Parent=null && DrawGUI.Active.DragAndDropObjectReferences=" + StringUtils.ToString(DrawGUI.Active.DragAndDropObjectReferences) + ", activeManager.MouseoveredInspector=" + StringUtils.ToString(activeManager.MouseoveredInspector));
#endif
// Update: only do this once cursor has moved, otherwise it can look strange during simple click events
if (mouseDownInfo.CursorMovedAfterMouseDown)
{
DrawGUI.Active.DragAndDropVisualMode = DragAndDropVisualMode.Rejected;
}
}
DrawGUI.Active.AddCursorRect(new Rect(0f, 0f, 100000f, 100000f), MouseCursor.MoveArrow);
}
else if (mouseDownInfo.NowDraggingPrefix)
{
DrawGUI.Active.SetCursor(MouseCursor.SlideArrow);
}
switch (type)
{
case EventType.Repaint:
if (inspectorDrawer.MainView.RequiresConstantRepaint() || (splittable != null && splittable.ViewIsSplit && splittable.SplitView.RequiresConstantRepaint()))
{
inspectorDrawer.Repaint();
}
break;
case EventType.Layout:
activeManager.OnLayout();
UpdateDimensions(inspectorDrawer, splittable);
break;
case EventType.ValidateCommand:
inspectorDrawer.OnValidateCommand(e);
break;
case EventType.ExecuteCommand:
if (OnExecuteCommand != null)
{
if (inspectorDrawer == manager.FirstInspectorDrawer)
{
#if DEV_MODE && DEBUG_EXECUTE_COMMAND
Debug.Log("ExecuteCommand(" + e.commandName + ")");
#endif
OnExecuteCommand(ActiveManager.LastSelectedActiveOrDefaultInspector(), e.commandName);
}
#if DEV_MODE && DEBUG_EXECUTE_COMMAND
else
{
Debug.Log("ExecuteCommand(" + e.commandName + ") not sent with e=" + StringUtils.ToString(e) + ", OnExecuteCommand=" + StringUtils.ToString(OnExecuteCommand));
}
#endif
}
inspectorDrawer.OnExecuteCommand(e);
break;
case EventType.MouseUp:
case EventType.DragPerform:
#if DEV_MODE && (DEBUG_MOUSE_UP || DEBUG_DRAG_N_DROP)
Debug.Log(type + " with IsUnityObjectDrag=" + StringUtils.True + ", MouseDownInfo.Inspector=" + activeManager.MouseDownInfo.Inspector + ", activeInspectorDrawer.MouseIsOver=" + (inspectorDrawer == null ? StringUtils.Null : StringUtils.ToColorizedString(inspectorDrawer.MouseIsOver)));
#endif
inspectorDrawer.Repaint();
mouseDownInfo.OnMouseUp(activeManager);
break;
case EventType.DragExited:
//IMPORTANT NOTE: DragExited gets called when during DragNDrop cursor leaves EditorWindow bounds!
#if DEV_MODE && UNITY_EDITOR
Debug.Log(type + " with LastInputEvent().type=" + DrawGUI.LastInputEvent().type + ", IsUnityObjectDrag=" + StringUtils.ToColorizedString(DrawGUI.IsUnityObjectDrag) + ", EditorWindow.focusedWindow=" + UnityEditor.EditorWindow.focusedWindow + ", activeManager.MouseoveredInspector=" + activeManager.MouseoveredInspector + ", mouseoveredDrawer.position=" + (activeManager.MouseoveredInspector == null || activeManager.MouseoveredInspector.InspectorDrawer == null ? StringUtils.Null : activeManager.MouseoveredInspector.InspectorDrawer.position.ToString()) + ", MouseDownInfo.Inspector=" + activeManager.MouseDownInfo.Inspector + ", Drawer.MouseIsOver=" + (activeInspectorDrawer == null ? StringUtils.Null : StringUtils.ToColorizedString(activeInspectorDrawer.MouseIsOver)));
#endif
if (mouseDownInfo.IsDragExitedReallyMouseLeaveWindowEvent())
{
#if DEV_MODE
Debug.LogWarning("Ignoring DragExited call because IsDragExitedReallyMouseLeaveWindowEvent=" + StringUtils.True + " - cursor probably just left EditorWindow bounds.");
#endif
break;
}
inspectorDrawer.Repaint();
mouseDownInfo.OnMouseUp(activeManager);
break;
case EventType.MouseDown:
ActiveManager.MouseDownInfo.OnMouseDown();
#if DEV_MODE && DEBUG_ON_MOUSE_DOWN
Debug.Log("MouseDown with button=" + e.button + ", keyCode=" + e.keyCode + ", MouseoveredSelectable=" + StringUtils.ToString(ActiveManager.MouseoveredSelectable));
#endif
break;
case EventType.KeyDown:
inspectorDrawer.OnKeyDown(e);
break;
case EventType.KeyUp:
inspectorDrawer.Manager.OnKeyUp(e);
break;
}
}
public static void OnKeyDown(this IInspectorDrawer inspectorDrawer, Event e)
{
#if DEV_MODE && DEBUG_KEYBOARD_INPUT
Debug.Log(StringUtils.ToColorizedString(inspectorDrawer.ToString(), ".OnKeyDown(", e.keyCode, ") with HasFocus=", inspectorDrawer.HasFocus, ", selectedControl=", StringUtils.ToString(inspectorDrawer.SelectedOrDefaultView().FocusedDrawer), ", SelectedPart=", inspectorDrawer.Manager.SelectedInspectorPart));
#endif
if (!inspectorDrawer.HasFocus)
{
return;
}
var view = inspectorDrawer.SelectedOrDefaultView();
var keys = view.Preferences.keyConfigs;
#if !POWER_INSPECTOR_LITE
if (keys.stepBackInSelectionHistory.DetectAndUseInput(e))
{
view.StepBackInSelectionHistory();
return;
}
if (keys.stepForwardInSelectionHistory.DetectAndUseInput(e))
{
view.StepForwardInSelectionHistory();
return;
}
#endif
inspectorDrawer.Repaint();
DrawGUI.RegisterInputEvent(e);
var activeView = inspectorDrawer.SelectedOrDefaultView();
// give controls time to react to selection changes, editing text field changes etc.
// before cached values are updated. (e.g. unapplied changes in delayed fields are
// not discarded before they have time to get applied
activeView.ResetNextUpdateCachedValues();
#if DEV_MODE && PI_ASSERTATIONS
Debug.Assert(!inspectorDrawer.HasFocus || activeView.Selected);
#endif
#if DEV_MODE && DEBUG_KEYBOARD_INPUT
Debug.Log(StringUtils.ToColorizedString("OnKeyDown activeView.Selected=", activeView.Selected, ", activeView.FocusedDrawer=", activeView.FocusedDrawer + ", Manager.SelectedInspector=", inspectorDrawer.Manager.SelectedInspector, ", inspectorDrawer.HasFocus=", inspectorDrawer.HasFocus));
#endif
if (activeView.Toolbar.OnKeyboardInputGivenWhenNotSelected(e, activeView.Preferences.keyConfigs))
{
if (e.type != EventType.Used)
{
DrawGUI.Use(e);
ExitGUIUtility.ExitGUI();
}
}
IDrawer selectedControl = null;
if (activeView.Selected)
{
selectedControl = activeView.FocusedDrawer;
if (selectedControl != null)
{
var onKeyboardInputBeingGiven = selectedControl.OnKeyboardInputBeingGiven;
if (onKeyboardInputBeingGiven != null)
{
#if DEV_MODE && DEBUG_KEYBOARD_INPUT
Debug.Log("onKeyboardInputBeingGiven(" + StringUtils.ToString(e) + "): " + StringUtils.ToString(onKeyboardInputBeingGiven));
#endif
if (onKeyboardInputBeingGiven(selectedControl, e, selectedControl.Inspector.Preferences.keyConfigs))
{
return;
}
}
if (selectedControl.OnKeyboardInputGiven(e, selectedControl.Inspector.Preferences.keyConfigs))
{
return;
}
}
else if (inspectorDrawer.Manager.SelectedInspectorPart == InspectorPart.Toolbar)
{
activeView.Toolbar.OnKeyboardInputGiven(e, activeView.Preferences.keyConfigs);
}
else if (inspectorDrawer.Manager.SelectedInspectorPart == InspectorPart.Viewport || inspectorDrawer.Manager.SelectedInspectorPart == InspectorPart.None)
{
bool fieldChangeInputGiven;
if (keys.DetectNextField(e, true) || keys.DetectPreviousField(e, true) ||
keys.nextFieldLeft.DetectAndUseInput(e) || keys.nextFieldRight.DetectAndUseInput(e) ||
keys.nextFieldDown.DetectAndUseInput(e) || keys.nextFieldUp.DetectAndUseInput(e))
{
fieldChangeInputGiven = true;
}
else if (e.modifiers == EventModifiers.FunctionKey)
{
switch (e.keyCode)
{
case KeyCode.DownArrow:
case KeyCode.UpArrow:
case KeyCode.LeftArrow:
case KeyCode.RightArrow:
fieldChangeInputGiven = true;
break;
default:
fieldChangeInputGiven = false;
break;
}
}
else
{
fieldChangeInputGiven = false;
}
if (fieldChangeInputGiven)
{
var drawers = activeView.State.drawers;
if (drawers.Length == 0)
{
if (activeView.Toolbar != null)
{
activeView.Toolbar.OnFindCommandGiven();
}
else
{
KeyboardControlUtility.SetKeyboardControl(0, 3);
}
}
else
{
var first = drawers[0];
var select = first.GetNextSelectableDrawerRight(true, null);
#if DEV_MODE && DEBUG_NEXT_FIELD
Debug.Log(first + ".GetNextSelectableDrawerRight: " + StringUtils.ToString(select));
#endif
if (select != null)
{
activeView.Select(select, ReasonSelectionChanged.SelectNextControl);
}
}
}
}
}
if (DrawGUI.EditingTextField && keys.DetectTextFieldReservedInput(e, TextFieldType.TextRow))
{
#if DEV_MODE && DEBUG_KEYBOARD_INPUT
Debug.Log(StringUtils.ToColorizedString("OnKeyboardInputGiven( ", StringUtils.ToString(e), ") DetectTextFieldReservedInput: ", true, " with selectedControl=", selectedControl));
#endif
return;
}
if (keys.addComponent.DetectInput(e))
{
#if DEV_MODE
Debug.Log("AddComponent shortcut detected");
#endif
if (AddComponentButtonDrawer.OpenSelectedOrFirstFoundInstance(activeView))
{
DrawGUI.Use(e);
}
}
if (keys.toggleSplitView.DetectInput(e))
{
var splittable = inspectorDrawer as ISplittableInspectorDrawer;
if (splittable != null && splittable.CanSplitView)
{
DrawGUI.Use(e);
bool setSplitView = !splittable.ViewIsSplit;
splittable.MainView.OnNextLayout(() => splittable.SetSplitView(setSplitView));
}
}
if (keys.refresh.DetectAndUseInput(e))
{
var selectedInspector = inspectorDrawer.Manager.SelectedInspector;
if (selectedInspector != null && selectedInspector.InspectorDrawer == inspectorDrawer)
{
selectedInspector.ForceRebuildDrawers();
}
else
{
var mainView = inspectorDrawer.MainView;
mainView.ForceRebuildDrawers();
var splittable = inspectorDrawer as ISplittableInspectorDrawer;
if (splittable != null && splittable.ViewIsSplit)
{
splittable.SplitView.ForceRebuildDrawers();
}
}
}
var keyCode = e.keyCode;
switch (keyCode)
{
case KeyCode.Menu:
if (selectedControl != null)
{
selectedControl.OpenContextMenu(e, selectedControl.RightClickArea, false, selectedControl.SelectedPart);
}
break;
case KeyCode.Space:
inspectorDrawer.Manager.RegisterKeyHeldDown(keyCode, "space");
break;
case KeyCode.F2:
inspectorDrawer.Repaint();
if (!DrawGUI.EditingTextField)
{
DrawGUI.Use(e);
DrawGUI.EditingTextField = true;
}
break;
case KeyCode.Escape:
#if DEV_MODE
Debug.Log("!!! ESCAPE !!!");
#endif
//when dragging a control, allow aborting using the escape key
if (inspectorDrawer.Manager.MouseDownInfo.MouseDownOverDrawer != null)
{
inspectorDrawer.Manager.MouseDownInfo.Clear();
}
if (DrawGUI.EditingTextField)
{
DrawGUI.Use(e);
DrawGUI.EditingTextField = false;
}
break;
case KeyCode.AltGr:
case KeyCode.RightAlt:
KeyConfig.OnAltGrDown();
break;
#if DEV_MODE
case KeyCode.I:
if (e.control && e.alt)
{
Debug.Log("INFO: FocusedDrawer=" + StringUtils.ToString(inspectorDrawer.SelectedOrDefaultView().FocusedDrawer) + ", EditingTextField=" + DrawGUI.EditingTextField);
}
break;
#endif
}
}
