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69f7c3243d
Closes #7869 This PR aims to fix linking bugs and it aims to make linking code faster. In the future I would like to replace controller and automation code with linked models, so it is essential for this feature to work as efficiently as possible. Before this PR: - AutomatableModels store a list of AutomatableModels that they are linked to. - setValue() and other functions make recursive calls to themself resulting in the #7869 crash. - Each AutomatableModel can unlink from other AutomatableModels, unlinking is the inverse operation to linking. After this PR: - AutomatableModels store a pointer to an other AutomatableModel making a linked list. The end is connected to the first element resulting in a "ring". - setValue() and others are now recursion free, the code runs for every linked model, more efficiently than before. - Each AutomatableModel can NOT unlink form other AutomatableModels, unlinking is NOT the inverse operation to linking. AutomatableModels can unlink themself from the linked list, they can not unlink themself from single models. --------- Co-authored-by: allejok96 <allejok96@gmail.com>
140 lines
3.2 KiB
C++
140 lines
3.2 KiB
C++
/*
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* AutomatableModelView.h - provides AutomatableModelView base class and
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* provides BoolModelView, FloatModelView, IntModelView subclasses.
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*
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* Copyright (c) 2008-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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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
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* License as published by the Free Software Foundation; either
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* version 2 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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef LMMS_GUI_AUTOMATABLE_MODEL_VIEW_H
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#define LMMS_GUI_AUTOMATABLE_MODEL_VIEW_H
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#include "ModelView.h"
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#include "AutomatableModel.h"
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class QMenu;
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class QMouseEvent;
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namespace lmms::gui
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{
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class LMMS_EXPORT AutomatableModelView : public ModelView
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{
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public:
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AutomatableModelView( Model* model, QWidget* _this );
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~AutomatableModelView() override = default;
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// some basic functions for convenience
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AutomatableModel* modelUntyped()
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{
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return castModel<AutomatableModel>();
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}
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const AutomatableModel* modelUntyped() const
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{
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return castModel<AutomatableModel>();
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}
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void setModel( Model* model, bool isOldModelValid = true ) override;
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void unsetModel() override;
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template<typename T>
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inline T value() const
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{
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return modelUntyped() ? modelUntyped()->value<T>() : 0;
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}
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inline void setDescription( const QString& desc )
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{
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m_description = desc;
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}
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inline void setUnit( const QString& unit )
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{
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m_unit = unit;
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}
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void addDefaultActions( QMenu* menu );
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void setConversionFactor( float factor );
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float getConversionFactor();
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protected:
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virtual void mousePressEvent( QMouseEvent* event );
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QString m_description;
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QString m_unit;
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float m_conversionFactor; // Factor to be applied when the m_model->value is displayed
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} ;
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class AutomatableModelViewSlots : public QObject
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{
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Q_OBJECT
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public:
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AutomatableModelViewSlots( AutomatableModelView* amv, QObject* parent );
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public slots:
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void execConnectionDialog();
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void removeConnection();
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void editSongGlobalAutomation();
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void removeSongGlobalAutomation();
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private slots:
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/// Copy the model's value to the clipboard.
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void copyToClipboard();
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/// Paste the model's value from the clipboard.
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void pasteFromClipboard();
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protected:
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AutomatableModelView* m_amv;
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} ;
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template <typename ModelType> class LMMS_EXPORT TypedModelView : public AutomatableModelView
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{
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public:
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TypedModelView( Model* model, QWidget* _this) :
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AutomatableModelView( model, _this )
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{}
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ModelType* model()
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{
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return castModel<ModelType>();
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}
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const ModelType* model() const
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{
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return castModel<ModelType>();
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}
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};
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using FloatModelView = TypedModelView<FloatModel>;
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using IntModelView = TypedModelView<IntModel>;
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using BoolModelView = TypedModelView<BoolModel>;
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} // namespace lmms::gui
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#endif // LMMS_GUI_AUTOMATABLE_MODEL_VIEW_H
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