mirror of
https://github.com/LMMS/lmms.git
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441fd905be
Improves performance when moving mixer channels to the left or right using simple Qt layout operations and swapping of values. This commit also addresses a deadlock in Mixer::mixToChannel by ensuring we lock and unlock the same channel regardless of any move operations occurring simultaneously on another thread.
139 lines
4.1 KiB
C++
139 lines
4.1 KiB
C++
/*
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* MixerChannelView.h
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*
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* Copyright (c) 2024 saker
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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_MIXER_CHANNEL_VIEW_H
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#define LMMS_GUI_MIXER_CHANNEL_VIEW_H
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#include <QWidget>
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class QGraphicsView;
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class QLabel;
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class QLineEdit;
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class QStackedWidget;
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namespace lmms {
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class MixerChannel;
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}
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namespace lmms::gui {
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class AutomatableButton;
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class EffectRackView;
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class Fader;
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class Knob;
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class LcdWidget;
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class MixerView;
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class PeakIndicator;
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class SendButtonIndicator;
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class MixerChannelView : public QWidget
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{
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Q_OBJECT
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Q_PROPERTY(QBrush backgroundActive READ backgroundActive WRITE setBackgroundActive)
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Q_PROPERTY(QColor strokeOuterActive READ strokeOuterActive WRITE setStrokeOuterActive)
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Q_PROPERTY(QColor strokeOuterInactive READ strokeOuterInactive WRITE setStrokeOuterInactive)
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Q_PROPERTY(QColor strokeInnerActive READ strokeInnerActive WRITE setStrokeInnerActive)
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Q_PROPERTY(QColor strokeInnerInactive READ strokeInnerInactive WRITE setStrokeInnerInactive)
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public:
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MixerChannelView(QWidget* parent, MixerView* mixerView, int channelIndex);
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void paintEvent(QPaintEvent* event) override;
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void contextMenuEvent(QContextMenuEvent*) override;
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void mousePressEvent(QMouseEvent*) override;
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void mouseDoubleClickEvent(QMouseEvent*) override;
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void keyPressEvent(QKeyEvent* ke) override;
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void reset();
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int channelIndex() const { return m_channelIndex; }
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void setChannelIndex(int index);
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QBrush backgroundActive() const { return m_backgroundActive; }
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void setBackgroundActive(const QBrush& c) { m_backgroundActive = c; }
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QColor strokeOuterActive() const { return m_strokeOuterActive; }
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void setStrokeOuterActive(const QColor& c) { m_strokeOuterActive = c; }
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QColor strokeOuterInactive() const { return m_strokeOuterInactive; }
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void setStrokeOuterInactive(const QColor& c) { m_strokeOuterInactive = c; }
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QColor strokeInnerActive() const { return m_strokeInnerActive; }
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void setStrokeInnerActive(const QColor& c) { m_strokeInnerActive = c; }
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QColor strokeInnerInactive() const { return m_strokeInnerInactive; }
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void setStrokeInnerInactive(const QColor& c) { m_strokeInnerInactive = c; }
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Fader* fader() const { return m_fader; }
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public slots:
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void renameChannel();
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void resetColor();
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void selectColor();
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void randomizeColor();
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private slots:
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void renameFinished();
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void removeChannel();
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void removeUnusedChannels();
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void moveChannelLeft();
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void moveChannelRight();
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private:
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bool confirmRemoval(int index);
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QString elideName(const QString& name);
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MixerChannel* mixerChannel() const;
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auto isMasterChannel() const -> bool { return m_channelIndex == 0; }
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private:
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SendButtonIndicator* m_sendButton;
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QLabel* m_receiveArrow;
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QStackedWidget* m_receiveArrowOrSendButton;
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int m_receiveArrowStackedIndex = -1;
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int m_sendButtonStackedIndex = -1;
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Knob* m_sendKnob;
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LcdWidget* m_channelNumberLcd;
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QLineEdit* m_renameLineEdit;
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QGraphicsView* m_renameLineEditView;
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QLabel* m_sendArrow;
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AutomatableButton* m_muteButton;
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AutomatableButton* m_soloButton;
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PeakIndicator* m_peakIndicator = nullptr;
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Fader* m_fader;
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EffectRackView* m_effectRackView;
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MixerView* m_mixerView;
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int m_channelIndex = 0;
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bool m_inRename = false;
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QBrush m_backgroundActive;
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QColor m_strokeOuterActive;
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QColor m_strokeOuterInactive;
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QColor m_strokeInnerActive;
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QColor m_strokeInnerInactive;
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friend class MixerView;
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};
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} // namespace lmms::gui
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#endif // LMMS_GUI_MIXER_CHANNEL_VIEW_H
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