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0001 // ct_lvtqtw_undo_expand.h                               -*-C++-*-
0002 
0003 /*
0004 // Copyright 2023 Codethink Ltd <codethink@codethink.co.uk>
0005 // SPDX-License-Identifier: Apache-2.0
0006 //
0007 // Licensed under the Apache License, Version 2.0 (the "License");
0008 // you may not use this file except in compliance with the License.
0009 // You may obtain a copy of the License at
0010 //
0011 //     http://www.apache.org/licenses/LICENSE-2.0
0012 //
0013 // Unless required by applicable law or agreed to in writing, software
0014 // distributed under the License is distributed on an "AS IS" BASIS,
0015 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0016 // See the License for the specific language governing permissions and
0017 // limitations under the License.
0018 */
0019 
0020 #ifndef DEFINED_CT_LVTQTW_UNDO_EXPAND_H
0021 #define DEFINED_CT_LVTQTW_UNDO_EXPAND_H
0022 
0023 #include <lvtqtc_export.h>
0024 
0025 #include <ct_lvtqtc_lakosentity.h>
0026 
0027 #include <QPointF>
0028 #include <QUndoCommand>
0029 
0030 #include <memory>
0031 #include <optional>
0032 
0033 namespace Codethink::lvtqtc {
0034 class GraphicsScene;
0035 
0036 class LVTQTC_EXPORT UndoExpand : public QUndoCommand {
0037     // Provides undo and redo control for expand operations.
0038 
0039   public:
0040     UndoExpand(GraphicsScene *scene,
0041                const std::string& nodeId,
0042                std::optional<QPointF> moveToPosition = std::nullopt,
0043                LakosEntity::RelayoutBehavior behavior = LakosEntity::RelayoutBehavior::e_RequestRelayout);
0044     ~UndoExpand() override;
0045 
0046     void undo() override;
0047     void redo() override;
0048 
0049   private:
0050     struct Private;
0051     std::unique_ptr<Private> d;
0052 };
0053 
0054 } // namespace Codethink::lvtqtc
0055 
0056 #endif