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d5e1d9e853
Move icon determination into TrackLabelButton again Fully undo the changes made in commit88e0e94dcdbecause the intermediate revert made in commit04ecf73395seems to have led to a performance problem due to the icon being set over and over again in `TrackLabelButton::paintEvent`. The original intention of the changes made in pull request #7114 was to remove the painting code that dynamically determines the icon over and over again. Ideally the icon that is used by an instrument should be somewhat of a "static" property that should be known very early on when an instrument view is created. There should not be any need to dynamically resolve the icon over and over, especially not in a button class very far down in the widget hierarchy. However, due to technical reasons this is not the case in the current code. See pull request #7132 for more details.
130 lines
3.0 KiB
C++
130 lines
3.0 KiB
C++
/*
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* InstrumentTrackView.h - declaration of InstrumentTrackView class
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*
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* Copyright (c) 2004-2014 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_INSTRUMENT_TRACK_VIEW_H
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#define LMMS_GUI_INSTRUMENT_TRACK_VIEW_H
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#include "MixerChannelLcdSpinBox.h"
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#include "TrackView.h"
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#include "InstrumentTrack.h"
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namespace lmms::gui
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{
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class InstrumentTrackWindow;
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class Knob;
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class MidiCCRackView;
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class TrackContainerView;
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class TrackLabelButton;
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class InstrumentTrackView : public TrackView
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{
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Q_OBJECT
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public:
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InstrumentTrackView( InstrumentTrack * _it, TrackContainerView* tc );
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~InstrumentTrackView() override;
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InstrumentTrackWindow * getInstrumentTrackWindow();
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InstrumentTrack * model()
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{
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return castModel<InstrumentTrack>();
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}
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const InstrumentTrack * model() const
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{
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return castModel<InstrumentTrack>();
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}
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static InstrumentTrackWindow * topLevelInstrumentTrackWindow();
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QMenu * midiMenu()
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{
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return m_midiMenu;
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}
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// Create a menu for assigning/creating channels for this track
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QMenu * createMixerMenu( QString title, QString newMixerLabel ) override;
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protected:
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void modelChanged() override;
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void dragEnterEvent( QDragEnterEvent * _dee ) override;
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void dropEvent( QDropEvent * _de ) override;
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private slots:
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void toggleInstrumentWindow( bool _on );
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void toggleMidiCCRack();
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void activityIndicatorPressed();
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void activityIndicatorReleased();
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void midiInSelected();
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void midiOutSelected();
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void midiConfigChanged();
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void assignMixerLine( int channelIndex );
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void createMixerLine();
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void handleConfigChange(QString cls, QString attr, QString value);
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private:
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static QPixmap determinePixmap(InstrumentTrack* instrumentTrack);
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private:
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InstrumentTrackWindow * m_window;
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// widgets in track-settings-widget
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TrackLabelButton * m_tlb;
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MixerChannelLcdSpinBox* m_mixerChannelNumber;
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Knob * m_volumeKnob;
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Knob * m_panningKnob;
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FadeButton * m_activityIndicator;
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QMenu * m_midiMenu;
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QAction * m_midiInputAction;
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QAction * m_midiOutputAction;
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std::unique_ptr<MidiCCRackView> m_midiCCRackView;
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QPoint m_lastPos;
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FadeButton * getActivityIndicator() override
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{
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return m_activityIndicator;
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}
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friend class InstrumentTrackWindow;
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} ;
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} // namespace lmms::gui
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#endif // LMMS_GUI_INSTRUMENT_TRACK_VIEW_H
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