Differential D11057 Diff 36450 source/blender/editors/space_spreadsheet/spreadsheet_cell_value.hh

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source/blender/editors/space_spreadsheet/spreadsheet_cell_value.hh

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				/*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*/

				#pragma once

				#include <optional>

				struct Object;
				struct Collection;

				namespace blender::ed::spreadsheet {

				struct ObjectCellValue {
				const Object *object;
				};

				struct CollectionCellValue {
				const Collection *collection;
				};

				/**
				* This is a type that can hold the value of a cell in a spreadsheet. This type allows us to
				* decouple the drawing of individual cells from the code that generates the data to be displayed.
				*/
				class CellValue {
				public:
				/* The implementation just uses a bunch of `std::option` for now. Unfortunately, we cannot use
				* `std::variant` yet, due to missing compiler support. This type can really be optimized more,
				* but it does not really matter too much currently. */

				std::optional<int> value_int;
				std::optional<float> value_float;
				std::optional<bool> value_bool;
				std::optional<ObjectCellValue> value_object;
				std::optional<CollectionCellValue> value_collection;
				};

				} // namespace blender::ed::spreadsheet