Adds "Filter by Type" and "Filter by Group" in the Scene Tree Dock's MenuButton.
Hovering on them displays an useful tooltip.
When selecting these items, the matching parameter is appended to the terms, and the caret is automatically brought to the end.
When typing a filter that cannot be identified, a warning icon is displayed. The reason is explained as a tooltip.
The same options are also quickly available by right-clicking or middle-clicking in the text field.
The shortcut's name is "scene_tree/toggle_unique_name", not mapped to anything by default.
It also dynamically changes the text based on whether or not the unique name is going to be enabled or disabled.
Finally, it spaces the shortcut in the menu close to "Copy Node Path" if possible.
Removes separate `Command` key (use `Meta` instead).
Adds an event flag to automatically remap `Command` <-> `Control` (cannot be set alongside `Control` or `Meta`).
Affects a lot of classes. Very thoroughly checked signal connections and deferred calls to this method, add_do_method/add_undo_method calls, and so on.
Also renames the internal `_update_callback()` to `_redraw_callback()` for consistency.
Just a few comments have also been changed to say "redraw".
In CPUParticles2D, there was a private variable with the same name. It has been renamed to `do_redraw`.
* Map is unnecessary and inefficient in almost every case.
* Replaced by the new HashMap.
* Renamed Map to RBMap and Set to RBSet for cases that still make sense
(order matters) but use is discouraged.
There were very few cases where replacing by HashMap was undesired because
keeping the key order was intended.
I tried to keep those (as RBMap) as much as possible, but might have missed
some. Review appreciated!
These typedefs don't save much typing compared to the full `Ref<Resource>`
and `Ref<RefCounted>`, yet they sometimes introduce confusion among
new contributors.
Implements https://github.com/godotengine/godot-proposals/issues/4096
* Nodes can be marked unique to the scene in the editor (or via code).
* Unique nodes can be accessed via the **%** prefix at any point in the path. From that point in the path (depending on whether the scene of the path is), the unique node will be fetched.
* Implementation is very optimal, as these nodes are cached.
