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https://github.com/LMMS/lmms.git
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a2cb7e96ea
Fixes bugs where during project loading (observed with VST effects), empty widgets and sub-windows would be left floating around. These were caused by inconsistencies between the way VST UIs were created when loading a project and when adding an effect in an existing project. In some situations, this caused createUI to be called twice, leaving over multiple empty widgets. This commit refactors some code in order to avoid creating unnecessary sub- windows, which aren't needed with VST effects, but were still created, usually being invisible. All sub-window related code was moved out of VstPlugin into vestige.cpp, which is the only place where sub-window VSTs are actually used. A new sub-class of VstPlugin, VstInstrumentPlugin, now handles VST sub-windows and is used by vestigeInstrument. "guivisible" attribute loading was moved out of VstPlugin as well and is now done in VstEffectControls' and vestigeInstrument's loadSettings method respectively. This causes some minor code duplication unfortunately. Closes #4110
164 lines
3.5 KiB
C++
164 lines
3.5 KiB
C++
/*
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* VstPlugin.h - declaration of VstPlugin class
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*
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* Copyright (c) 2005-2014 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 _VST_PLUGIN_H
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#define _VST_PLUGIN_H
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#include <QMap>
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#include <QMutex>
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#include <QPointer>
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#include <QString>
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#include <QTimer>
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#include <QWidget>
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#include "JournallingObject.h"
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#include "communication.h"
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class vstSubWin;
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class PLUGIN_EXPORT VstPlugin : public RemotePlugin, public JournallingObject
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{
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Q_OBJECT
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public:
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VstPlugin( const QString & _plugin );
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virtual ~VstPlugin();
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void tryLoad( const QString &remoteVstPluginExecutable );
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virtual bool processMessage( const message & _m );
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inline bool hasEditor() const
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{
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return m_pluginWindowID != 0;
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}
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/// Same as pluginWidget(), but can be overwritten in sub-classes to modify
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/// behavior the UI. This is used in VstInstrumentPlugin to wrap the VST UI
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/// in a QMdiSubWindow
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virtual QWidget* editor();
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inline const QString & name() const
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{
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return m_name;
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}
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inline int version() const
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{
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return m_version;
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}
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inline const QString & vendorString() const
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{
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return m_vendorString;
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}
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inline const QString & productString() const
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{
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return m_productString;
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}
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inline const QString& currentProgramName() const
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{
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return m_currentProgramName;
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}
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inline const QString& allProgramNames() const
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{
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return m_allProgramNames;
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}
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int currentProgram();
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const QMap<QString, QString> & parameterDump();
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void setParameterDump( const QMap<QString, QString> & _pdump );
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QWidget * pluginWidget();
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virtual void loadSettings( const QDomElement & _this );
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virtual void saveSettings( QDomDocument & _doc, QDomElement & _this );
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inline virtual QString nodeName() const
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{
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return "vstplugin";
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}
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virtual void createUI(QWidget *parent);
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bool eventFilter(QObject *obj, QEvent *event);
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QString embedMethod() const;
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public slots:
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void setTempo( bpm_t _bpm );
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void updateSampleRate();
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void openPreset( void );
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void setProgram( int index );
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void rotateProgram( int offset );
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void loadProgramNames();
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void savePreset( void );
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void setParam( int i, float f );
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void idleUpdate();
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void showUI() override;
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void hideUI() override;
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void toggleUI() override;
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void handleClientEmbed();
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private:
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void loadChunk( const QByteArray & _chunk );
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QByteArray saveChunk();
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void toggleEditorVisibility(int visible = -1);
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QString m_plugin;
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QPointer<QWidget> m_pluginWidget;
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int m_pluginWindowID;
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QSize m_pluginGeometry;
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const QString m_embedMethod;
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bool m_badDllFormat;
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QString m_name;
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int m_version;
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QString m_vendorString;
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QString m_productString;
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QString m_currentProgramName;
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QString m_allProgramNames;
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QString p_name;
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QMap<QString, QString> m_parameterDump;
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int m_currentProgram;
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QTimer m_idleTimer;
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} ;
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#endif
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