Differential D10901 Diff 35905 source/blender/editors/space_spreadsheet/spreadsheet_column_values.hh

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source/blender/editors/space_spreadsheet/spreadsheet_column_values.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 "BLI_string_ref.hh"

				#include "spreadsheet_cell_value.hh"

				namespace blender::ed::spreadsheet {

				/**
				* This represents a column in a spreadsheet. It has a name and provides a value for all the cells
				* in the column.
				*/
				class ColumnValues {
				protected:
				std::string name_;
				int size_;

				public:
				ColumnValues(std::string name, const int size) : name_(std::move(name)), size_(size)
				{
				}

				virtual ~ColumnValues() = default;

				virtual void get_value(int index, CellValue &r_cell_value) const = 0;

				StringRefNull name() const
				{
				return name_;
				}

				int size() const
				{
				return size_;
				}

				/* The default width of newly created columns, in UI units. */
				float default_width_factor = 0.0f;
				HooglyBooglyUnsubmitted Not Done Inline Actions I wouldn't call these factors. UI_UNIT_X is the factor, this is the width data, so I would just call it `default_width`. HooglyBoogly: I wouldn't call these factors. UI_UNIT_X is the factor, this is the width data, so I would just…
				JacquesLuckeAuthorUnsubmitted Done Inline Actions Thing is, I noticed that `UI_UNIT_X` might not be good enough as a factor. We might also have to take `UI_style_get_dpi()->widget.points * U.pixelsize` into account.. Besides that, calling it `default_width` seems fine as well. JacquesLucke: Thing is, I noticed that `UI_UNIT_X` might not be good enough as a factor. We might also have…
				};

				/* Utility class for the function below. */
				template<typename GetValueF> class LambdaColumnValues : public ColumnValues {
				private:
				GetValueF get_value_;

				public:
				LambdaColumnValues(std::string name, int size, GetValueF get_value)
				: ColumnValues(std::move(name), size), get_value_(std::move(get_value))
				{
				}

				void get_value(int index, CellValue &r_cell_value) const final
				{
				get_value_(index, r_cell_value);
				}
				};

				/* Utility function that simplifies creating a spreadsheet column from a lambda function. */
				template<typename GetValueF>
				std::unique_ptr<ColumnValues> column_values_from_function(std::string name,
				int size,
				GetValueF get_value)
				{
				return std::make_unique<LambdaColumnValues<GetValueF>>(
				std::move(name), size, std::move(get_value));
				}

				} // namespace blender::ed::spreadsheet