private void OnItemGUI(int id, Rect rect)
{
var instance = EditorUtility.InstanceIDToObject(id) as GameObject;
if (!instance)
{
return;
}
GetInstanceViewItem(id, instance, rect, out var item);
// Happens to be null when entering prefab mode
if (!item.EnsureViewExist(hierarchy))
{
return;
}
// Changing icon in TreeViewItem is not enough,
// When item is selected, it is hardcoded to use "On" icon (white version for blue background).
// https://github.com/Unity-Technologies/UnityCsReference/blob/2019.4/Editor/Mono/GUI/TreeView/TreeViewGUI.cs#L157
// Setting width to zero will hide default icon, so we can draw our own on top,
// But this also removes item text indentation and "Pinging" icon..
controller.gui.SetIconWidth(0);
controller.gui.SetSpaceBetweenIconAndText(18);
var isSelected = controller.IsSelected(item.view);
var isOn = isSelected && controller.HasFocus();
item.DrawIcon(rect, isOn);
if (item.isCollection)
{
if (ViewItemGUI.OnIconClick(rect))
{
var popup = new CollectionPopup(item.collection);
var position = new Vector2(rect.x, rect.yMax - state.scrollPos.y + 32);
popup.ShowInsideWindow(position, root);
}
}
if (hierarchy.hoveredItem == item.view)
{
var fullWidthRect = GetFullWidthRect(rect);
OnHoverGUI(fullWidthRect, item);
}
}
private void OnItemGUI(int id, Rect rect)
{
var instance = EditorUtility.InstanceIDToObject(id) as GameObject;
if (!instance)
{
return;
}
GetInstanceViewItem(id, instance, rect, out var item);
// Happens to be null when entering prefab mode
if (!item.EnsureViewExist(hierarchy))
{
return;
}
HideDefaultIcon();
var isSelected = controller.IsSelected(item.view);
var isOn = isSelected && controller.HasFocus();
item.DrawIcon(rect, isOn);
if (item.isCollection)
{
if (ViewItemGUI.OnIconClick(rect))
{
var popup = new CollectionPopup(item.collection);
var position = new Vector2(rect.x, rect.yMax - state.scrollPos.y + 32);
popup.ShowInsideWindow(position, root);
}
}
if (hierarchy.hoveredItem == item.view)
{
var fullWidthRect = GetFullWidthRect(rect);
OnHoverGUI(fullWidthRect, item);
}
}