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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include <optional>
#include "BLI_string_ref.hh"
#include "BLI_vector.hh"
#include "BKE_viewer_path.h"
struct Main;
struct SpaceNode;
struct bNode;
struct bContext;
struct Object;
namespace blender::ed::viewer_path {
/**
* Activates the given node in the context provided by the editor. This indirectly updates all
* non-pinned viewer paths in other editors (spreadsheet and 3d view).
*/
void activate_geometry_node(Main &bmain, SpaceNode &snode, bNode &node);
/**
* Returns the object referenced by the viewer path. This only returns something if the viewer path
* *only* contains the object and nothing more.
*/
Object *parse_object_only(const ViewerPath &viewer_path);
/**
* Represents a parsed #ViewerPath for easier consumption.
*/
struct ViewerPathForGeometryNodesViewer {
Object *object;
blender::StringRefNull modifier_name;
blender::Vector<blender::StringRefNull> group_node_names;
blender::StringRefNull viewer_node_name;
};
/**
* Parses a #ViewerPath into a #ViewerPathForGeometryNodesViewer or returns none if that does not
* work.
*/
std::optional<ViewerPathForGeometryNodesViewer> parse_geometry_nodes_viewer(
const ViewerPath &viewer_path);
/**
* Finds the node referenced by the #ViewerPath within the provided editor. If no node is
* referenced, null is returned. When two different editors show the same node group but in a
* different context, it's possible that the same node is active in one editor but not the other.
*/
bNode *find_geometry_nodes_viewer(const ViewerPath &viewer_path, SpaceNode &snode);
/**
* Checks if the node referenced by the viewer path and its entire context still exists. The node
* does not have to be visible for this to return true.
*/
bool exists_geometry_nodes_viewer(const ViewerPathForGeometryNodesViewer &parsed_viewer_path);
/**
* Checks if the node referenced by the viewer and its entire context is still active, i.e. some
* editor is showing it.
*/
bool is_active_geometry_nodes_viewer(const bContext &C,
const ViewerPathForGeometryNodesViewer &parsed_viewer_path);
} // namespace blender::ed::viewer_path
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