File indexing completed on 2024-05-19 05:42:24
0001 // ct_lvtqtc_undo_expand.cpp -*-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 #include <ct_lvtqtc_graphicsscene.h> 0021 #include <ct_lvtqtc_graphicsview.h> 0022 #include <ct_lvtqtc_lakosentity.h> 0023 #include <ct_lvtqtc_undo_expand.h> 0024 #include <ct_lvtqtc_util.h> 0025 0026 #include <QPointF> 0027 0028 using namespace Codethink::lvtqtc; 0029 0030 struct UndoExpand::Private { 0031 GraphicsScene *scene; 0032 std::string nodeId; 0033 QPointF newPosition; 0034 QPointF originalPosition; 0035 LakosEntity::RelayoutBehavior behavior; 0036 }; 0037 0038 UndoExpand::UndoExpand(GraphicsScene *scene, 0039 const std::string& nodeId, 0040 std::optional<QPointF> moveToPosition, 0041 LakosEntity::RelayoutBehavior behavior): 0042 d(std::make_unique<UndoExpand::Private>(Private{scene, 0043 nodeId, 0044 moveToPosition ? *moveToPosition : scene->entityById(nodeId)->pos(), 0045 scene->entityById(nodeId)->pos(), 0046 behavior})) 0047 { 0048 setText(QObject::tr("Toggle Expand %1").arg(QString::fromStdString(nodeId))); 0049 } 0050 0051 UndoExpand::~UndoExpand() = default; 0052 0053 namespace { 0054 0055 void toggleEntity(LakosEntity *item, QPointF moveToPosition, LakosEntity::RelayoutBehavior behavior) 0056 { 0057 if (item == nullptr) { 0058 return; 0059 } 0060 item->toggleExpansion(QtcUtil::CreateUndoAction::e_No, moveToPosition, behavior); 0061 } 0062 0063 } // namespace 0064 0065 void UndoExpand::undo() 0066 { 0067 toggleEntity(d->scene->entityById(d->nodeId), d->originalPosition, d->behavior); 0068 } 0069 0070 void UndoExpand::redo() 0071 { 0072 toggleEntity(d->scene->entityById(d->nodeId), d->newPosition, d->behavior); 0073 }