Jacques Lucke
5bfe09df22
The viewer node has been expanded to have a field input next to the geometry input. When both are connected (by ctrl+shift clicking on a node) the spreadsheet will show the evaluated field on the geometry. The operator to link to the viewer has become a bit smarter. It automatically detects if it should link to the geometry or field input. In the future some more smartness could be added, such as automatically relinking the "right" geometry when viewing a field. Internally, there are two major changes: * Refactor of what happens when ctrl+shift clicking on a node to link to a viewer. The behavior of the geometry nodes viewer is a bit more complex than that of the compositor viewers. The behavior in compositing nodes should not have changed. Any change should be reported as a bug (and then we can decide if it's worse than before or if it needs fixing). * Evaluation, display and caching of fields in the spreadsheet editor. Differential Revision: https://developer.blender.org/D12938
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "DNA_space_types.h"
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#include "BLI_string_ref.hh"
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#include "spreadsheet_cell_value.hh"
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namespace blender::ed::spreadsheet {
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/**
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* This represents a column in a spreadsheet. It has a name and provides a value for all the cells
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* in the column.
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*/
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class ColumnValues {
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protected:
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eSpreadsheetColumnValueType type_;
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std::string name_;
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int size_;
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public:
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ColumnValues(const eSpreadsheetColumnValueType type, std::string name, const int size)
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: type_(type), name_(std::move(name)), size_(size)
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{
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}
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virtual ~ColumnValues() = default;
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virtual void get_value(int index, CellValue &r_cell_value) const = 0;
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eSpreadsheetColumnValueType type() const
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{
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return type_;
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}
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StringRefNull name() const
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{
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return name_;
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}
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int size() const
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{
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return size_;
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}
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/* The default width of newly created columns, in UI units. */
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float default_width = 0.0f;
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};
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/* Utility class for the function below. */
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template<typename GetValueF> class LambdaColumnValues : public ColumnValues {
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private:
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GetValueF get_value_;
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public:
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LambdaColumnValues(const eSpreadsheetColumnValueType type,
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std::string name,
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int size,
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GetValueF get_value)
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: ColumnValues(type, std::move(name), size), get_value_(std::move(get_value))
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{
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}
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void get_value(int index, CellValue &r_cell_value) const final
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{
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get_value_(index, r_cell_value);
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}
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};
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/* Utility function that simplifies creating a spreadsheet column from a lambda function. */
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template<typename GetValueF>
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std::unique_ptr<ColumnValues> column_values_from_function(const eSpreadsheetColumnValueType type,
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std::string name,
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const int size,
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GetValueF get_value,
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const float default_width = 0.0f)
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{
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std::unique_ptr<ColumnValues> column_values = std::make_unique<LambdaColumnValues<GetValueF>>(
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type, std::move(name), size, std::move(get_value));
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column_values->default_width = default_width;
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return column_values;
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}
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} // namespace blender::ed::spreadsheet
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