LV2 Support #316
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,233 @@ | ||
| #include <QWidget> | ||
| #include <QString> | ||
| #include <QPair> | ||
| #include <QLabel> | ||
| #include <QCheckBox> | ||
| #include <QPushButton> | ||
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|
||
| #include "dlgpreflv2.h" | ||
| #include "engine/enginefilterbessel4.h" | ||
| #include "controlobject.h" | ||
| #include "util/math.h" | ||
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|
||
| DlgPrefLV2::DlgPrefLV2(QWidget* pParent, LV2Backend* lv2Backend, | ||
| ConfigObject<ConfigValue>* pConfig) | ||
| : DlgPreferencePage(pParent), | ||
| m_pLV2Backend(lv2Backend), | ||
| m_iCheckedParameters(0), | ||
| m_iCheckedButtonParameters(0) { | ||
| Q_UNUSED(pConfig); | ||
|
|
||
| setupUi(this); | ||
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| if (!m_pLV2Backend) { | ||
| return; | ||
| } | ||
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| QList<QString> allPlugins = m_pLV2Backend->getDiscoveredPluginIds().toList(); | ||
| // Display them alphabetically | ||
| qSort(allPlugins.begin(), allPlugins.end()); | ||
|
|
||
| foreach (QString effectId, allPlugins) { | ||
| EffectManifest effectManifest = m_pLV2Backend->getManifest(effectId); | ||
| LV2Manifest* lv2Manifest = m_pLV2Backend->getLV2Manifest(effectId); | ||
| QPushButton* button = new QPushButton(this); | ||
| button->setText(effectManifest.name()); | ||
|
|
||
| if (!m_pLV2Backend->canInstantiateEffect(effectId)) { | ||
| // Tooltip displaying why this effect is disabled | ||
| LV2Manifest::Status status = lv2Manifest->getStatus(); | ||
| switch (status) { | ||
| case LV2Manifest::IO_NOT_STEREO: | ||
| button->setToolTip(QObject::tr("This plugin does not support " | ||
| "stereo samples as input/output")); | ||
| break; | ||
| case LV2Manifest::HAS_REQUIRED_FEATURES: | ||
| button->setToolTip(QObject::tr("This plugin has features " | ||
| "which are not yet supported")); | ||
| break; | ||
| default: | ||
| button->setToolTip(QObject::tr("Unknown status")); | ||
| } | ||
| button->setDisabled(true); | ||
| } else { | ||
| button->setDisabled(false); | ||
| } | ||
|
|
||
| lv2_vertical_layout_left->addWidget(button); | ||
| button->setProperty("id", QVariant(effectManifest.id())); | ||
| connect(button, SIGNAL(clicked()), this, SLOT(slotDisplayParameters())); | ||
| connect(button, SIGNAL(clicked()), this, SLOT(slotDisplayButtonParameters())); | ||
| } | ||
| } | ||
|
|
||
| DlgPrefLV2::~DlgPrefLV2() { | ||
| } | ||
|
|
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| void DlgPrefLV2::slotDisplayParameters() { | ||
| // Set the number of checked parameters to 0 because new parameters are | ||
| // displayed | ||
|
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||
| // Clear the right vertical layout | ||
| foreach (QCheckBox* box, m_pluginParameters) { | ||
| delete box; | ||
| } | ||
| m_pluginParameters.clear(); | ||
|
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| QLayoutItem* item; | ||
| while ((item = lv2_vertical_layout_params->takeAt(1)) != 0) { | ||
| lv2_vertical_layout_params->removeWidget(item->widget()); | ||
| delete item->widget(); | ||
| } | ||
|
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| QPushButton* button = qobject_cast<QPushButton*>(sender()); | ||
| QString pluginId = button->property("id").toString(); | ||
| m_currentEffectId = pluginId; | ||
|
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| EffectManifest& currentEffectManifest = m_pLV2Backend->getManifestReference(pluginId); | ||
| QList<EffectManifestParameter> parameterList = currentEffectManifest.parameters(); | ||
| int parameterListSize = parameterList.size(); | ||
|
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||
| QHash<int, bool> isActive; | ||
| for (int i = 0; i < 8 && i < parameterListSize; i++) { | ||
| isActive[currentEffectManifest.getActiveParameter(i)] = true; | ||
| } | ||
|
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||
| for (int i = 0; i < parameterListSize; i++) { | ||
| QCheckBox* entry = new QCheckBox(this); | ||
| entry->setText(parameterList[i].name()); | ||
| if (isActive[i]) { | ||
| entry->setChecked(true); | ||
| } else { | ||
| entry->setChecked(false); | ||
| entry->setEnabled(false); | ||
| } | ||
| lv2_vertical_layout_params->addWidget(entry); | ||
| m_pluginParameters.append(entry); | ||
| connect(entry, SIGNAL(stateChanged(int)), | ||
| this, SLOT(slotUpdateOnParameterCheck(int))); | ||
| } | ||
| lv2_vertical_layout_params->addStretch(); | ||
|
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| m_iCheckedParameters = parameterListSize < 8 ? parameterListSize : 8; | ||
| } | ||
|
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| void DlgPrefLV2::slotApply() { | ||
| EffectManifest& currentEffectManifest = m_pLV2Backend->getManifestReference(m_currentEffectId); | ||
| // It displays the first 8 checked parameters | ||
| int visible = 0; | ||
| int hidden = m_iCheckedParameters; | ||
| for (int i = 0; i < m_pluginParameters.size(); i++) { | ||
| if (m_pluginParameters[i]->isChecked()) { | ||
| currentEffectManifest.setActiveParameter(visible, i); | ||
| visible++; | ||
| } else { | ||
| currentEffectManifest.setActiveParameter(hidden, i); | ||
| hidden++; | ||
| } | ||
| } | ||
|
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| visible = 0; | ||
| hidden = m_iCheckedButtonParameters; | ||
| for (int i = 0; i < m_pluginButtonParameters.size(); i++) { | ||
| if (m_pluginButtonParameters[i]->isChecked()) { | ||
| currentEffectManifest.setActiveButtonParameter(visible, i); | ||
| visible++; | ||
| } else { | ||
| currentEffectManifest.setActiveButtonParameter(hidden, i); | ||
| hidden++; | ||
| } | ||
| } | ||
| } | ||
|
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| void DlgPrefLV2::slotUpdateOnParameterCheck(int state) { | ||
| if (state == Qt::Checked) { | ||
| m_iCheckedParameters++; | ||
| } else { | ||
| m_iCheckedParameters--; | ||
| } | ||
|
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| // If 8 parameters are already checked, disable all other checkboxes | ||
| if (m_iCheckedParameters >= 8) { | ||
| foreach (QCheckBox* box, m_pluginParameters) { | ||
| if (!box->isChecked()) { | ||
| box->setEnabled(false); | ||
| } | ||
| } | ||
| } else { | ||
| foreach (QCheckBox* box, m_pluginParameters) { | ||
| if (!box->isChecked()) { | ||
| box->setEnabled(true); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| void DlgPrefLV2::slotDisplayButtonParameters() { | ||
| // Clear the right vertical layout | ||
| foreach (QCheckBox* box, m_pluginButtonParameters) { | ||
| delete box; | ||
| } | ||
| m_pluginButtonParameters.clear(); | ||
|
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| QLayoutItem* item; | ||
| while ((item = lv2_vertical_layout_button_params->takeAt(1)) != 0) { | ||
| lv2_vertical_layout_button_params->removeWidget(item->widget()); | ||
| delete item->widget(); | ||
| } | ||
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| QPushButton* button = qobject_cast<QPushButton*>(sender()); | ||
| QString pluginId = button->property("id").toString(); | ||
| m_currentEffectId = pluginId; | ||
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| EffectManifest& currentEffectManifest = m_pLV2Backend->getManifestReference(pluginId); | ||
| QList<EffectManifestParameter> buttonParameterList = currentEffectManifest.buttonParameters(); | ||
| int buttonParameterListSize = buttonParameterList.size(); | ||
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| QHash<int, bool> isActive; | ||
| for (int i = 0; i < 8 && i < buttonParameterListSize; i++) { | ||
| isActive[currentEffectManifest.getActiveButtonParameter(i)] = true; | ||
| } | ||
|
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| for (int i = 0; i < buttonParameterListSize; i++) { | ||
| QCheckBox* entry = new QCheckBox(this); | ||
| entry->setText(buttonParameterList[i].name()); | ||
| if (isActive[i]) { | ||
| entry->setChecked(true); | ||
| } else { | ||
| entry->setChecked(false); | ||
| entry->setEnabled(false); | ||
| } | ||
| lv2_vertical_layout_button_params->addWidget(entry); | ||
| m_pluginButtonParameters.append(entry); | ||
| connect(entry, SIGNAL(stateChanged(int)), | ||
| this, SLOT(slotUpdateOnButtonParameterCheck(int))); | ||
| } | ||
| lv2_vertical_layout_button_params->addStretch(); | ||
|
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| m_iCheckedButtonParameters = buttonParameterListSize < 8 ? | ||
| buttonParameterListSize : 8; | ||
| } | ||
|
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| void DlgPrefLV2::slotUpdateOnButtonParameterCheck(int state) { | ||
| if (state == Qt::Checked) { | ||
| m_iCheckedButtonParameters++; | ||
| } else { | ||
| m_iCheckedButtonParameters--; | ||
| } | ||
|
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| // If 8 parameters are already checked, disable all other checkboxes | ||
| if (m_iCheckedButtonParameters >= 8) { | ||
| foreach (QCheckBox* box, m_pluginButtonParameters) { | ||
| if (!box->isChecked()) { | ||
| box->setEnabled(false); | ||
| } | ||
| } | ||
| } else { | ||
| foreach (QCheckBox* box, m_pluginButtonParameters) { | ||
| if (!box->isChecked()) { | ||
| box->setEnabled(true); | ||
| } | ||
| } | ||
| } | ||
| } |
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lilv works on Windows too :)