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New Spectrum Analyzer (#4950)
Replace old spectrum analyzer by new one with higher resolution and many new features. Resolves #2847.
This commit is contained in:
Martin Pavelek
committed by
Johannes Lorenz
Johannes Lorenz
parent
73c2c70d96
commit
c3b4d5188a
227
plugins/SpectrumAnalyzer/SaControlsDialog.cpp
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227
plugins/SpectrumAnalyzer/SaControlsDialog.cpp
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/*
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* SaControlsDialog.cpp - definition of SaControlsDialog class.
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*
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* Copyright (c) 2019 Martin Pavelek <he29/dot/HS/at/gmail/dot/com>
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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 "SaControlsDialog.h"
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#include <QGridLayout>
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#include <QLabel>
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#include <QSizePolicy>
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#include <QSplitter>
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#include <QWidget>
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#include "ComboBox.h"
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#include "ComboBoxModel.h"
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#include "embed.h"
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#include "Engine.h"
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#include "LedCheckbox.h"
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#include "PixmapButton.h"
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#include "SaControls.h"
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#include "SaProcessor.h"
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// The entire GUI layout is built here.
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SaControlsDialog::SaControlsDialog(SaControls *controls, SaProcessor *processor) :
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EffectControlDialog(controls),
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m_controls(controls),
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m_processor(processor)
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{
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// Top level placement of sections is handled by QSplitter widget.
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QHBoxLayout *master_layout = new QHBoxLayout;
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QSplitter *display_splitter = new QSplitter(Qt::Vertical);
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master_layout->addWidget(display_splitter);
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master_layout->setContentsMargins(2, 6, 2, 8);
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setLayout(master_layout);
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// QSplitter top: configuration section
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QWidget *config_widget = new QWidget;
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QGridLayout *config_layout = new QGridLayout;
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config_widget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
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config_widget->setMaximumHeight(m_configHeight);
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config_widget->setLayout(config_layout);
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display_splitter->addWidget(config_widget);
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// Pre-compute target pixmap size based on monitor DPI.
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// Using setDevicePixelRatio() on pixmap allows the SVG image to be razor
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// sharp on High-DPI screens, but the desired size must be manually
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// enlarged. No idea how to make Qt do it in a more reasonable way.
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QSize iconSize = QSize(22.0 * devicePixelRatio(), 22.0 * devicePixelRatio());
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QSize buttonSize = 1.2 * iconSize;
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// pause and freeze buttons
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PixmapButton *pauseButton = new PixmapButton(this, tr("Pause"));
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pauseButton->setToolTip(tr("Pause data acquisition"));
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QPixmap *pauseOnPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("play").scaled(buttonSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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QPixmap *pauseOffPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("pause").scaled(buttonSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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pauseOnPixmap->setDevicePixelRatio(devicePixelRatio());
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pauseOffPixmap->setDevicePixelRatio(devicePixelRatio());
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pauseButton->setActiveGraphic(*pauseOnPixmap);
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pauseButton->setInactiveGraphic(*pauseOffPixmap);
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pauseButton->setCheckable(true);
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pauseButton->setModel(&controls->m_pauseModel);
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config_layout->addWidget(pauseButton, 0, 0, 2, 1);
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PixmapButton *refFreezeButton = new PixmapButton(this, tr("Reference freeze"));
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refFreezeButton->setToolTip(tr("Freeze current input as a reference / disable falloff in peak-hold mode."));
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QPixmap *freezeOnPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("freeze").scaled(buttonSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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QPixmap *freezeOffPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("freeze_off").scaled(buttonSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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freezeOnPixmap->setDevicePixelRatio(devicePixelRatio());
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freezeOffPixmap->setDevicePixelRatio(devicePixelRatio());
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refFreezeButton->setActiveGraphic(*freezeOnPixmap);
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refFreezeButton->setInactiveGraphic(*freezeOffPixmap);
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refFreezeButton->setCheckable(true);
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refFreezeButton->setModel(&controls->m_refFreezeModel);
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config_layout->addWidget(refFreezeButton, 2, 0, 2, 1);
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// misc configuration switches
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LedCheckBox *waterfallButton = new LedCheckBox(tr("Waterfall"), this);
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waterfallButton->setToolTip(tr("Display real-time spectrogram"));
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waterfallButton->setCheckable(true);
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waterfallButton->setMinimumSize(70, 12);
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waterfallButton->setModel(&controls->m_waterfallModel);
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config_layout->addWidget(waterfallButton, 0, 1);
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LedCheckBox *smoothButton = new LedCheckBox(tr("Averaging"), this);
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smoothButton->setToolTip(tr("Enable exponential moving average"));
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smoothButton->setCheckable(true);
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smoothButton->setMinimumSize(70, 12);
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smoothButton->setModel(&controls->m_smoothModel);
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config_layout->addWidget(smoothButton, 1, 1);
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LedCheckBox *stereoButton = new LedCheckBox(tr("Stereo"), this);
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stereoButton->setToolTip(tr("Display stereo channels separately"));
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stereoButton->setCheckable(true);
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stereoButton->setMinimumSize(70, 12);
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stereoButton->setModel(&controls->m_stereoModel);
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config_layout->addWidget(stereoButton, 2, 1);
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LedCheckBox *peakHoldButton = new LedCheckBox(tr("Peak hold"), this);
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peakHoldButton->setToolTip(tr("Display envelope of peak values"));
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peakHoldButton->setCheckable(true);
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peakHoldButton->setMinimumSize(70, 12);
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peakHoldButton->setModel(&controls->m_peakHoldModel);
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config_layout->addWidget(peakHoldButton, 3, 1);
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// frequency: linear / log. switch and range selector
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PixmapButton *logXButton = new PixmapButton(this, tr("Logarithmic frequency"));
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logXButton->setToolTip(tr("Switch between logarithmic and linear frequency scale"));
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QPixmap *logXOnPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("x_log").scaled(iconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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QPixmap *logXOffPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("x_linear").scaled(iconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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logXOnPixmap->setDevicePixelRatio(devicePixelRatio());
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logXOffPixmap->setDevicePixelRatio(devicePixelRatio());
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logXButton->setActiveGraphic(*logXOnPixmap);
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logXButton->setInactiveGraphic(*logXOffPixmap);
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logXButton->setCheckable(true);
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logXButton->setModel(&controls->m_logXModel);
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config_layout->addWidget(logXButton, 0, 2, 2, 1, Qt::AlignRight);
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ComboBox *freqRangeCombo = new ComboBox(this, tr("Frequency range"));
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freqRangeCombo->setToolTip(tr("Frequency range"));
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freqRangeCombo->setMinimumSize(100, 22);
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freqRangeCombo->setMaximumSize(200, 22);
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freqRangeCombo->setModel(&controls->m_freqRangeModel);
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config_layout->addWidget(freqRangeCombo, 0, 3, 2, 1);
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// amplitude: linear / log switch and range selector
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PixmapButton *logYButton = new PixmapButton(this, tr("Logarithmic amplitude"));
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logYButton->setToolTip(tr("Switch between logarithmic and linear amplitude scale"));
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QPixmap *logYOnPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("y_log").scaled(iconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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QPixmap *logYOffPixmap = new QPixmap(PLUGIN_NAME::getIconPixmap("y_linear").scaled(iconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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logYOnPixmap->setDevicePixelRatio(devicePixelRatio());
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logYOffPixmap->setDevicePixelRatio(devicePixelRatio());
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logYButton->setActiveGraphic(*logYOnPixmap);
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logYButton->setInactiveGraphic(*logYOffPixmap);
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logYButton->setCheckable(true);
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logYButton->setModel(&controls->m_logYModel);
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config_layout->addWidget(logYButton, 2, 2, 2, 1, Qt::AlignRight);
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ComboBox *ampRangeCombo = new ComboBox(this, tr("Amplitude range"));
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ampRangeCombo->setToolTip(tr("Amplitude range"));
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ampRangeCombo->setMinimumSize(100, 22);
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ampRangeCombo->setMaximumSize(200, 22);
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ampRangeCombo->setModel(&controls->m_ampRangeModel);
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config_layout->addWidget(ampRangeCombo, 2, 3, 2, 1);
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// FFT: block size: icon and selector
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QLabel *blockSizeLabel = new QLabel("", this);
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QPixmap *blockSizeIcon = new QPixmap(PLUGIN_NAME::getIconPixmap("block_size"));
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blockSizeIcon->setDevicePixelRatio(devicePixelRatio());
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blockSizeLabel->setPixmap(blockSizeIcon->scaled(iconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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config_layout->addWidget(blockSizeLabel, 0, 4, 2, 1, Qt::AlignRight);
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ComboBox *blockSizeCombo = new ComboBox(this, tr("FFT block bize"));
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blockSizeCombo->setToolTip(tr("FFT block size"));
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blockSizeCombo->setMinimumSize(100, 22);
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blockSizeCombo->setMaximumSize(200, 22);
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blockSizeCombo->setModel(&controls->m_blockSizeModel);
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config_layout->addWidget(blockSizeCombo, 0, 5, 2, 1);
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processor->reallocateBuffers();
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connect(&controls->m_blockSizeModel, &ComboBoxModel::dataChanged, [=] {processor->reallocateBuffers();});
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// FFT: window type: icon and selector
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QLabel *windowLabel = new QLabel("", this);
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QPixmap *windowIcon = new QPixmap(PLUGIN_NAME::getIconPixmap("window"));
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windowIcon->setDevicePixelRatio(devicePixelRatio());
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windowLabel->setPixmap(windowIcon->scaled(iconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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config_layout->addWidget(windowLabel, 2, 4, 2, 1, Qt::AlignRight);
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ComboBox *windowCombo = new ComboBox(this, tr("FFT window type"));
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windowCombo->setToolTip(tr("FFT window type"));
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windowCombo->setMinimumSize(100, 22);
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windowCombo->setMaximumSize(200, 22);
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windowCombo->setModel(&controls->m_windowModel);
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config_layout->addWidget(windowCombo, 2, 5, 2, 1);
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processor->rebuildWindow();
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connect(&controls->m_windowModel, &ComboBoxModel::dataChanged, [=] {processor->rebuildWindow();});
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// QSplitter middle and bottom: spectrum display widgets
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m_spectrum = new SaSpectrumView(controls, processor, this);
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display_splitter->addWidget(m_spectrum);
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m_waterfall = new SaWaterfallView(controls, processor, this);
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display_splitter->addWidget(m_waterfall);
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m_waterfall->setVisible(m_controls->m_waterfallModel.value());
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connect(&controls->m_waterfallModel, &BoolModel::dataChanged, [=] {m_waterfall->updateVisibility();});
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}
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// Suggest the best current widget size.
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QSize SaControlsDialog::sizeHint() const
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{
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// Best width is determined by spectrum display sizeHint.
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// Best height depends on whether waterfall is visible and
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// consists of heights of the config section, spectrum, waterfall
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// and some reserve for margins.
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if (m_waterfall->isVisible())
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{
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return QSize(m_spectrum->sizeHint().width(),
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m_configHeight + m_spectrum->sizeHint().height() + m_waterfall->sizeHint().height() + 50);
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}
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else
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{
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return QSize(m_spectrum->sizeHint().width(),
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m_configHeight + m_spectrum->sizeHint().height() + 50);
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}
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}
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