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Disentangle and clean the classes of the Audio File Processor (#7069)
## Extract views Extract the classes `AudioFileProcessorWaveView` and `AudioFileProcessorView` into their own files. Reformat the new classes by removing unnecessary whitespace and underscores. Add spaces to if-statements. Cleanup the includes. ## Remove friend relationship Remove the friend relationship between `AudioFileProcessor` and `AudioFileProcessorView`. Introduce getters for entities that the view is interested in.
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Michael Gregorius
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GitHub
GitHub
parent
1e6a902dd3
commit
8e8f68552f
286
plugins/AudioFileProcessor/AudioFileProcessorView.cpp
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286
plugins/AudioFileProcessor/AudioFileProcessorView.cpp
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/*
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* AudioFileProcessor.cpp - instrument for using audio files
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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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#include "AudioFileProcessorView.h"
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#include "AudioFileProcessor.h"
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#include "AudioFileProcessorWaveView.h"
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#include <QPainter>
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#include "ComboBox.h"
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#include "DataFile.h"
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#include "gui_templates.h"
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#include "PixmapButton.h"
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#include "SampleLoader.h"
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#include "Song.h"
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#include "StringPairDrag.h"
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#include "Track.h"
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#include "Clipboard.h"
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namespace lmms
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{
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namespace gui
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{
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AudioFileProcessorView::AudioFileProcessorView(Instrument* instrument,
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QWidget* parent) :
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InstrumentViewFixedSize(instrument, parent)
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{
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m_openAudioFileButton = new PixmapButton(this);
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m_openAudioFileButton->setCursor(QCursor(Qt::PointingHandCursor));
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m_openAudioFileButton->move(227, 72);
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m_openAudioFileButton->setActiveGraphic(PLUGIN_NAME::getIconPixmap(
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"select_file"));
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m_openAudioFileButton->setInactiveGraphic(PLUGIN_NAME::getIconPixmap(
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"select_file"));
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connect(m_openAudioFileButton, SIGNAL(clicked()),
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this, SLOT(openAudioFile()));
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m_openAudioFileButton->setToolTip(tr("Open sample"));
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m_reverseButton = new PixmapButton(this);
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m_reverseButton->setCheckable(true);
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m_reverseButton->move(164, 105);
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m_reverseButton->setActiveGraphic(PLUGIN_NAME::getIconPixmap(
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"reverse_on"));
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m_reverseButton->setInactiveGraphic(PLUGIN_NAME::getIconPixmap(
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"reverse_off"));
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m_reverseButton->setToolTip(tr("Reverse sample"));
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// loop button group
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auto m_loopOffButton = new PixmapButton(this);
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m_loopOffButton->setCheckable(true);
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m_loopOffButton->move(190, 105);
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m_loopOffButton->setActiveGraphic(PLUGIN_NAME::getIconPixmap(
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"loop_off_on"));
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m_loopOffButton->setInactiveGraphic(PLUGIN_NAME::getIconPixmap(
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"loop_off_off"));
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m_loopOffButton->setToolTip(tr("Disable loop"));
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auto m_loopOnButton = new PixmapButton(this);
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m_loopOnButton->setCheckable(true);
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m_loopOnButton->move(190, 124);
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m_loopOnButton->setActiveGraphic(PLUGIN_NAME::getIconPixmap(
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"loop_on_on"));
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m_loopOnButton->setInactiveGraphic(PLUGIN_NAME::getIconPixmap(
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"loop_on_off"));
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m_loopOnButton->setToolTip(tr("Enable loop"));
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auto m_loopPingPongButton = new PixmapButton(this);
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m_loopPingPongButton->setCheckable(true);
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m_loopPingPongButton->move(216, 124);
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m_loopPingPongButton->setActiveGraphic(PLUGIN_NAME::getIconPixmap(
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"loop_pingpong_on"));
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m_loopPingPongButton->setInactiveGraphic(PLUGIN_NAME::getIconPixmap(
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"loop_pingpong_off"));
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m_loopPingPongButton->setToolTip(tr("Enable ping-pong loop"));
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m_loopGroup = new automatableButtonGroup(this);
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m_loopGroup->addButton(m_loopOffButton);
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m_loopGroup->addButton(m_loopOnButton);
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m_loopGroup->addButton(m_loopPingPongButton);
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m_stutterButton = new PixmapButton(this);
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m_stutterButton->setCheckable(true);
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m_stutterButton->move(164, 124);
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m_stutterButton->setActiveGraphic(PLUGIN_NAME::getIconPixmap(
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"stutter_on"));
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m_stutterButton->setInactiveGraphic(PLUGIN_NAME::getIconPixmap(
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"stutter_off"));
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m_stutterButton->setToolTip(
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tr("Continue sample playback across notes"));
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m_ampKnob = new Knob(KnobType::Bright26, this);
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m_ampKnob->setVolumeKnob(true);
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m_ampKnob->move(5, 108);
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m_ampKnob->setHintText(tr("Amplify:"), "%");
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m_startKnob = new AudioFileProcessorWaveView::knob(this);
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m_startKnob->move(45, 108);
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m_startKnob->setHintText(tr("Start point:"), "");
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m_endKnob = new AudioFileProcessorWaveView::knob(this);
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m_endKnob->move(125, 108);
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m_endKnob->setHintText(tr("End point:"), "");
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m_loopKnob = new AudioFileProcessorWaveView::knob(this);
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m_loopKnob->move(85, 108);
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m_loopKnob->setHintText(tr("Loopback point:"), "");
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// interpolation selector
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m_interpBox = new ComboBox(this);
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m_interpBox->setGeometry(142, 62, 82, ComboBox::DEFAULT_HEIGHT);
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m_interpBox->setFont(pointSize<8>(m_interpBox->font()));
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// wavegraph
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m_waveView = 0;
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newWaveView();
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connect(castModel<AudioFileProcessor>(), SIGNAL(isPlaying(lmms::f_cnt_t)),
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m_waveView, SLOT(isPlaying(lmms::f_cnt_t)));
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qRegisterMetaType<lmms::f_cnt_t>("lmms::f_cnt_t");
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setAcceptDrops(true);
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}
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void AudioFileProcessorView::dragEnterEvent(QDragEnterEvent* dee)
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{
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// For mimeType() and MimeType enum class
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using namespace Clipboard;
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if (dee->mimeData()->hasFormat(mimeType(MimeType::StringPair)))
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{
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QString txt = dee->mimeData()->data(
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mimeType(MimeType::StringPair));
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if (txt.section(':', 0, 0) == QString("clip_%1").arg(
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static_cast<int>(Track::Type::Sample)))
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{
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dee->acceptProposedAction();
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}
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else if (txt.section(':', 0, 0) == "samplefile")
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{
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dee->acceptProposedAction();
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}
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else
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{
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dee->ignore();
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}
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}
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else
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{
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dee->ignore();
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}
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}
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void AudioFileProcessorView::newWaveView()
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{
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if (m_waveView)
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{
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delete m_waveView;
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m_waveView = 0;
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}
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m_waveView = new AudioFileProcessorWaveView(this, 245, 75, &castModel<AudioFileProcessor>()->sample());
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m_waveView->move(2, 172);
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m_waveView->setKnobs(
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dynamic_cast<AudioFileProcessorWaveView::knob*>(m_startKnob),
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dynamic_cast<AudioFileProcessorWaveView::knob*>(m_endKnob),
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dynamic_cast<AudioFileProcessorWaveView::knob*>(m_loopKnob));
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m_waveView->show();
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}
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void AudioFileProcessorView::dropEvent(QDropEvent* de)
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{
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const auto type = StringPairDrag::decodeKey(de);
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const auto value = StringPairDrag::decodeValue(de);
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if (type == "samplefile") { castModel<AudioFileProcessor>()->setAudioFile(value); }
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else if (type == QString("clip_%1").arg(static_cast<int>(Track::Type::Sample)))
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{
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DataFile dataFile(value.toUtf8());
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castModel<AudioFileProcessor>()->setAudioFile(dataFile.content().firstChild().toElement().attribute("src"));
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}
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else
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{
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de->ignore();
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return;
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}
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m_waveView->updateSampleRange();
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Engine::getSong()->setModified();
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de->accept();
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}
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void AudioFileProcessorView::paintEvent(QPaintEvent*)
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{
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QPainter p(this);
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static auto s_artwork = PLUGIN_NAME::getIconPixmap("artwork");
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p.drawPixmap(0, 0, s_artwork);
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auto a = castModel<AudioFileProcessor>();
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QString file_name = "";
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int idx = a->sample().sampleFile().length();
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p.setFont(pointSize<8>(font()));
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QFontMetrics fm(p.font());
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// simple algorithm for creating a text from the filename that
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// matches in the white rectangle
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while(idx > 0 &&
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fm.size(Qt::TextSingleLine, file_name + "...").width() < 210)
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{
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file_name = a->sample().sampleFile()[--idx] + file_name;
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}
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if (idx > 0)
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{
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file_name = "..." + file_name;
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}
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p.setPen(QColor(255, 255, 255));
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p.drawText(8, 99, file_name);
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}
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void AudioFileProcessorView::sampleUpdated()
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{
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m_waveView->updateSampleRange();
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m_waveView->update();
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update();
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}
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void AudioFileProcessorView::openAudioFile()
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{
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QString af = SampleLoader::openAudioFile();
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if (af.isEmpty()) { return; }
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castModel<AudioFileProcessor>()->setAudioFile(af);
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Engine::getSong()->setModified();
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m_waveView->updateSampleRange();
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}
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void AudioFileProcessorView::modelChanged()
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{
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auto a = castModel<AudioFileProcessor>();
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connect(a, &AudioFileProcessor::sampleUpdated, this, &AudioFileProcessorView::sampleUpdated);
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m_ampKnob->setModel(&a->ampModel());
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m_startKnob->setModel(&a->startPointModel());
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m_endKnob->setModel(&a->endPointModel());
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m_loopKnob->setModel(&a->loopPointModel());
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m_reverseButton->setModel(&a->reverseModel());
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m_loopGroup->setModel(&a->loopModel());
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m_stutterButton->setModel(&a->stutterModel());
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m_interpBox->setModel(&a->interpolationModel());
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sampleUpdated();
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}
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} // namespace gui
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} // namespace lmms
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