--- qsampler/trunk/src/qsamplerDevice.cpp 2005/03/07 11:09:32 426 +++ qsampler/trunk/src/qsamplerDevice.cpp 2005/03/09 20:55:04 436 @@ -1,7 +1,7 @@ // qsamplerDevice.cpp // /**************************************************************************** - Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2005, rncbc aka Rui Nuno Capela. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -28,31 +28,430 @@ //------------------------------------------------------------------------- -// qsamplerDeviceParameterTable - Device parameter view table. +// qsamplerDeviceParam - MIDI/Audio Device parameter structure. +// + +// Constructors. +qsamplerDeviceParam::qsamplerDeviceParam ( lscp_param_info_t *pParamInfo, + const char *pszValue ) +{ + setParam(pParamInfo, pszValue); +} + + +// Default destructor. +qsamplerDeviceParam::~qsamplerDeviceParam (void) +{ +} + + +// Initializer. +void qsamplerDeviceParam::setParam ( lscp_param_info_t *pParamInfo, + const char *pszValue ) +{ + if (pParamInfo == NULL) + return; + + // Info structure field members. + + type = pParamInfo->type; + + if (pParamInfo->description) + description = pParamInfo->description; + else + description = QString::null; + + mandatory = (bool) pParamInfo->multiplicity; + fix = (bool) pParamInfo->fix; + multiplicity = (bool) pParamInfo->multiplicity; + + depends.clear(); + for (int i = 0; pParamInfo->depends && pParamInfo->depends[i]; i++) + depends.append(pParamInfo->depends[i]); + + if (pParamInfo->defaultv) + defaultv = pParamInfo->defaultv; + else + defaultv = QString::null; + + if (pParamInfo->range_min) + range_min = pParamInfo->range_min; + else + range_min = QString::null; + + if (pParamInfo->range_max) + range_max = pParamInfo->range_max; + else + range_max = QString::null; + + possibilities.clear(); + for (int i = 0; pParamInfo->possibilities && pParamInfo->possibilities[i]; i++) + possibilities.append(pParamInfo->possibilities[i]); + + // The current parameter value. + if (pszValue) + value = pszValue; + else + value = QString::null; +} + + +//------------------------------------------------------------------------- +// qsamplerDevice - MIDI/Audio Device structure. // // Constructor. -qsamplerDeviceParameterTable::qsamplerDeviceParameterTable ( QWidget *pParent, const char *pszName ) - : QTable(pParent, pszName) +qsamplerDevice::qsamplerDevice ( lscp_client_t *pClient, + qsamplerDeviceType deviceType, int iDeviceID ) { - m_pClient = NULL; + setDevice(pClient, deviceType, iDeviceID); } // Default destructor. -qsamplerDeviceParameterTable::~qsamplerDeviceParameterTable (void) +qsamplerDevice::~qsamplerDevice (void) { } -// The client descriptor property accessors. -void qsamplerDeviceParameterTable::setClient ( lscp_client_t *pClient ) +// Initializer. +void qsamplerDevice::setDevice ( lscp_client_t *pClient, + qsamplerDeviceType deviceType, int iDeviceID ) { - m_pClient = pClient; + // Device id and type should be always set. + m_iDeviceID = iDeviceID; + m_deviceType = deviceType; + + // Retrieve device info, if any. + lscp_device_info_t *pDeviceInfo = NULL; + switch (deviceType) { + case qsamplerDevice::Audio: + m_sDeviceType = QObject::tr("Audio"); + pDeviceInfo = ::lscp_get_audio_device_info(pClient, iDeviceID); + break; + case qsamplerDevice::Midi: + m_sDeviceType = QObject::tr("MIDI"); + pDeviceInfo = ::lscp_get_midi_device_info(pClient, iDeviceID); + break; + case qsamplerDevice::None: + m_sDeviceType = QString::null; + break; + } + + // If we're bogus, bail out... + if (pDeviceInfo == NULL) { + m_sDriverName = QString::null; + m_sDeviceName = QObject::tr("New device"); + return; + } + + // Other device properties... + m_sDriverName = pDeviceInfo->driver; + m_sDeviceName = m_sDriverName + ' ' + + QObject::tr("Device %1").arg(m_iDeviceID); + + // Grab device parameters... + m_params.clear(); + for (int i = 0; pDeviceInfo->params && pDeviceInfo->params[i].key; i++) { + const char *pszParam = pDeviceInfo->params[i].key; + lscp_param_info_t *pParamInfo = NULL; + switch (deviceType) { + case qsamplerDevice::Audio: + pParamInfo = ::lscp_get_audio_driver_param_info(pClient, + m_sDriverName.latin1(), pszParam, NULL); + break; + case qsamplerDevice::Midi: + pParamInfo = ::lscp_get_midi_driver_param_info(pClient, + m_sDriverName.latin1(), pszParam, NULL); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + m_params[pszParam] = qsamplerDeviceParam(pParamInfo, + pDeviceInfo->params[i].value); + } + } } -lscp_client_t *qsamplerDeviceParameterTable::client (void) + +// Driver name initializer. +void qsamplerDevice::setDriver ( lscp_client_t *pClient, + const QString& sDriverName ) { - return m_pClient; + // Valid only for scratch devices. + if (m_sDriverName == sDriverName) + return; + + // Retrieve driver info, if any. + lscp_driver_info_t *pDriverInfo = NULL; + switch (m_deviceType) { + case qsamplerDevice::Audio: + pDriverInfo = ::lscp_get_audio_driver_info(pClient, + sDriverName.latin1()); + break; + case qsamplerDevice::Midi: + pDriverInfo = ::lscp_get_midi_driver_info(pClient, + sDriverName.latin1()); + break; + case qsamplerDevice::None: + break; + } + + // If we're bogus, bail out... + if (pDriverInfo == NULL) + return; + + // Remember device parameters... + m_sDriverName = sDriverName; + + // Grab driver parameters... + m_params.clear(); + for (int i = 0; pDriverInfo->parameters && pDriverInfo->parameters[i]; i++) { + const char *pszParam = pDriverInfo->parameters[i]; + lscp_param_info_t *pParamInfo = NULL; + switch (m_deviceType) { + case qsamplerDevice::Audio: + pParamInfo = ::lscp_get_audio_driver_param_info(pClient, + sDriverName.latin1(), pszParam, NULL); + break; + case qsamplerDevice::Midi: + pParamInfo = ::lscp_get_midi_driver_param_info(pClient, + sDriverName.latin1(), pszParam, NULL); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) + m_params[pszParam] = qsamplerDeviceParam(pParamInfo, pParamInfo->defaultv); + } +} + + +// Device property accessors. +int qsamplerDevice::deviceID (void) const +{ + return m_iDeviceID; +} + +qsamplerDevice::qsamplerDeviceType qsamplerDevice::deviceType (void) const +{ + return m_deviceType; +} + +const QString& qsamplerDevice::deviceTypeName (void) const +{ + return m_sDeviceType; +} + +const QString& qsamplerDevice::driverName (void) const +{ + return m_sDriverName; +} + +const QString& qsamplerDevice::deviceName (void) const +{ + return m_sDeviceName; +} + +// Device parameter accessor. +qsamplerDeviceParamMap& qsamplerDevice::params (void) +{ + return m_params; +} + + +// Update/refresh device/driver data. +void qsamplerDevice::refresh (void) +{ +} + +// Device ids enumerator. +int *qsamplerDevice::getDevices ( lscp_client_t *pClient, + qsamplerDeviceType deviceType ) +{ + int *piDeviceIDs = NULL; + switch (deviceType) { + case qsamplerDevice::Audio: + piDeviceIDs = ::lscp_list_audio_devices(pClient); + break; + case qsamplerDevice::Midi: + piDeviceIDs = ::lscp_list_midi_devices(pClient); + break; + case qsamplerDevice::None: + break; + } + return piDeviceIDs; +} + + +// Driver names enumerator. +QStringList qsamplerDevice::getDrivers ( lscp_client_t *pClient, + qsamplerDeviceType deviceType ) +{ + QStringList drivers; + + const char **ppszDrivers = NULL; + switch (deviceType) { + case qsamplerDevice::Audio: + ppszDrivers = ::lscp_get_available_audio_drivers(pClient); + break; + case qsamplerDevice::Midi: + ppszDrivers = ::lscp_get_available_midi_drivers(pClient); + break; + case qsamplerDevice::None: + break; + } + + for (int iDriver = 0; ppszDrivers[iDriver]; iDriver++) + drivers.append(ppszDrivers[iDriver]); + + return drivers; +} + + +//------------------------------------------------------------------------- +// qsamplerDeviceItem - QListView device item. +// + +// Constructors. +qsamplerDeviceItem::qsamplerDeviceItem ( QListView *pListView, + lscp_client_t *pClient, qsamplerDevice::qsamplerDeviceType deviceType ) + : QListViewItem(pListView), m_device(pClient, deviceType) +{ + switch(m_device.deviceType()) { + case qsamplerDevice::Audio: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio1.png")); + QListViewItem::setText(0, QObject::tr("Audio devices")); + break; + case qsamplerDevice::Midi: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi1.png")); + QListViewItem::setText(0, QObject::tr("MIDI devices")); + break; + case qsamplerDevice::None: + break; + } +} + +qsamplerDeviceItem::qsamplerDeviceItem ( QListViewItem *pItem, + lscp_client_t *pClient, qsamplerDevice::qsamplerDeviceType deviceType, + int iDeviceID ) + : QListViewItem(pItem), m_device(pClient, deviceType, iDeviceID) +{ + switch(m_device.deviceType()) { + case qsamplerDevice::Audio: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio2.png")); + break; + case qsamplerDevice::Midi: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi2.png")); + break; + case qsamplerDevice::None: + break; + } + + QListViewItem::setText(0, m_device.deviceName()); +} + +// Default destructor. +qsamplerDeviceItem::~qsamplerDeviceItem (void) +{ +} + +// Instance accessors. +qsamplerDevice& qsamplerDeviceItem::device (void) +{ + return m_device; +} + +// To virtually distinguish between list view items. +int qsamplerDeviceItem::rtti() const +{ + return QSAMPLER_DEVICE_ITEM; +} + + + +//------------------------------------------------------------------------- +// qsamplerDeviceParamTable - Device parameter view table. +// + +// Constructor. +qsamplerDeviceParamTable::qsamplerDeviceParamTable ( QWidget *pParent, + const char *pszName ) + : QTable(pParent, pszName) +{ + // Set fixed number of columns. + QTable::setNumCols(3); + QTable::setShowGrid(false); + QTable::setSorting(false); + QTable::setFocusStyle(QTable::FollowStyle); + QTable::setSelectionMode(QTable::NoSelection); + // No vertical header. + QTable::verticalHeader()->hide(); + QTable::setLeftMargin(0); + // Initialize the fixed table column headings. + QHeader *pHeader = QTable::horizontalHeader(); + pHeader->setLabel(0, tr("Parameter")); + pHeader->setLabel(1, tr("Description")); + pHeader->setLabel(2, tr("Value")); + // Set read-onlyness of each column + QTable::setColumnReadOnly(0, true); + QTable::setColumnReadOnly(1, true); +// QTable::setColumnReadOnly(2, true); -- of course not. + QTable::setColumnStretchable(1, true); +} + +// Default destructor. +qsamplerDeviceParamTable::~qsamplerDeviceParamTable (void) +{ +} + + +// The main table refresher. +void qsamplerDeviceParamTable::refresh ( qsamplerDevice& device ) +{ + // Always (re)start it empty. + QTable::setUpdatesEnabled(false); + QTable::setNumRows(0); + + // Now fill the parameter table... + qsamplerDeviceParamMap& params = device.params(); + QTable::insertRows(0, params.count()); + int iRow = 0; + qsamplerDeviceParamMap::ConstIterator iter; + for (iter = params.begin(); iter != params.end(); ++iter) { + const qsamplerDeviceParam& param = iter.data(); + bool fEnabled = (device.deviceID() < 0 || !param.fix); + QTable::setText(iRow, 0, iter.key()); + QTable::setText(iRow, 1, param.description); + if (param.type == LSCP_TYPE_BOOL) { + QStringList opts; + opts.append(tr("false")); + opts.append(tr("true")); + QComboTableItem *pComboItem = new QComboTableItem(this, opts); + pComboItem->setCurrentItem(param.value.lower() == "true" ? 1 : 0); + pComboItem->setEnabled(fEnabled); + QTable::setItem(iRow, 2, pComboItem); + } else if (param.possibilities.count() > 0 && !param.multiplicity) { + QComboTableItem *pComboItem = new QComboTableItem(this, + param.possibilities); + pComboItem->setCurrentItem(param.value); + pComboItem->setEnabled(fEnabled); + QTable::setItem(iRow, 2, pComboItem); + } else { + QTableItem* pTableItem = new QTableItem(this, + fEnabled ? QTableItem::OnTyping : QTableItem::Never, + param.value); + QTable::setItem(iRow, 2, pTableItem); + } + ++iRow; + } + + // Adjust optimal column widths. + QTable::adjustColumn(0); + QTable::adjustColumn(2); + + QTable::setUpdatesEnabled(true); + QTable::updateContents(); }