--- qsampler/trunk/src/qsamplerDevice.cpp 2005/03/07 17:05:55 428 +++ qsampler/trunk/src/qsamplerDevice.cpp 2007/11/20 16:48:04 1499 @@ -1,7 +1,8 @@ // qsamplerDevice.cpp // /**************************************************************************** - Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2007, Christian Schoenebeck This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -13,70 +14,1124 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *****************************************************************************/ +#include "qsamplerAbout.h" #include "qsamplerDevice.h" #include "qsamplerMainForm.h" #include "qsamplerDeviceForm.h" -#include "config.h" +#include +#include +#include + + +using namespace QSampler; + +//------------------------------------------------------------------------- +// 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->mandatory; + 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; +} //------------------------------------------------------------------------- -// qsamplerDeviceParameterTable - Device parameter view table. +// qsamplerDevice - MIDI/Audio Device structure. // // Constructor. -qsamplerDeviceParameterTable::qsamplerDeviceParameterTable ( QWidget *pParent, const char *pszName ) - : QTable(pParent, pszName) +qsamplerDevice::qsamplerDevice ( qsamplerDeviceType deviceType, int iDeviceID ) { - m_pClient = NULL; +// m_ports.setAutoDelete(true); - // Set fixed number of columns. - QTable::setNumCols(5); - 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("Name")); - pHeader->setLabel(1, tr("Description")); - pHeader->setLabel(2, tr("Type")); - pHeader->setLabel(3, tr("Value")); - pHeader->setLabel(4, tr("Default")); - // Set read-onlyness of each column - QTable::setColumnReadOnly(0, true); - QTable::setColumnReadOnly(1, true); - QTable::setColumnReadOnly(2, true); -/* QTable::setColumnReadOnly(2, true); -- of course not. */ - QTable::setColumnReadOnly(4, true); + setDevice(deviceType, iDeviceID); } // Default destructor. -qsamplerDeviceParameterTable::~qsamplerDeviceParameterTable (void) +qsamplerDevice::~qsamplerDevice (void) +{ + qDeleteAll(m_ports); + m_ports.clear(); +} + +// Copy constructor. +qsamplerDevice::qsamplerDevice ( const qsamplerDevice& device ) + : m_params(device.m_params), m_ports(device.m_ports) { + m_iDeviceID = device.m_iDeviceID; + m_deviceType = device.m_deviceType; + m_sDeviceType = device.m_sDeviceType; + m_sDriverName = device.m_sDriverName; + m_sDeviceName = device.m_sDeviceName; } -// The client descriptor property accessors. -void qsamplerDeviceParameterTable::setClient ( lscp_client_t *pClient ) +// Initializer. +void qsamplerDevice::setDevice ( qsamplerDeviceType deviceType, int iDeviceID ) { - m_pClient = pClient; + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return; + if (pMainForm->client() == NULL) + return; + + // Device id and type should be always set. + m_iDeviceID = iDeviceID; + m_deviceType = deviceType; + + // Reset device parameters and ports anyway. + m_params.clear(); + qDeleteAll(m_ports); + m_ports.clear(); + + // Retrieve device info, if any. + lscp_device_info_t *pDeviceInfo = NULL; + switch (deviceType) { + case qsamplerDevice::Audio: + m_sDeviceType = QObject::tr("Audio"); + if (m_iDeviceID >= 0 && (pDeviceInfo = ::lscp_get_audio_device_info( + pMainForm->client(), m_iDeviceID)) == NULL) + appendMessagesClient("lscp_get_audio_device_info"); + break; + case qsamplerDevice::Midi: + m_sDeviceType = QObject::tr("MIDI"); + if (m_iDeviceID >= 0 && (pDeviceInfo = ::lscp_get_midi_device_info( + pMainForm->client(), m_iDeviceID)) == NULL) + appendMessagesClient("lscp_get_midi_device_info"); + 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 %1 device").arg(m_sDeviceType); + return; + } + + // Other device properties... + m_sDriverName = pDeviceInfo->driver; + m_sDeviceName = m_sDriverName + ' ' + + QObject::tr("Device %1").arg(m_iDeviceID); + + // Grab device parameters... + for (int i = 0; pDeviceInfo->params && pDeviceInfo->params[i].key; i++) { + const QString sParam = pDeviceInfo->params[i].key; + lscp_param_info_t *pParamInfo = NULL; + switch (deviceType) { + case qsamplerDevice::Audio: + if ((pParamInfo = ::lscp_get_audio_driver_param_info( + pMainForm->client(), m_sDriverName.toUtf8().constData(), + sParam.toUtf8().constData(), NULL)) == NULL) + appendMessagesClient("lscp_get_audio_driver_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_driver_param_info( + pMainForm->client(), m_sDriverName.toUtf8().constData(), + sParam.toUtf8().constData(), NULL)) == NULL) + appendMessagesClient("lscp_get_midi_driver_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + m_params[sParam.toUpper()] = qsamplerDeviceParam(pParamInfo, + pDeviceInfo->params[i].value); + } + } + + // Refresh parameter dependencies... + refreshParams(); + // Set port/channel list... + refreshPorts(); +} + + +// Driver name initializer/settler. +void qsamplerDevice::setDriver ( const QString& sDriverName ) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return; + if (pMainForm->client() == NULL) + return; + + // Valid only for scratch devices. + if (m_sDriverName == sDriverName) + return; + + // Reset device parameters and ports anyway. + m_params.clear(); + qDeleteAll(m_ports); + m_ports.clear(); + + // Retrieve driver info, if any. + lscp_driver_info_t *pDriverInfo = NULL; + switch (m_deviceType) { + case qsamplerDevice::Audio: + if ((pDriverInfo = ::lscp_get_audio_driver_info(pMainForm->client(), + sDriverName.toUtf8().constData())) == NULL) + appendMessagesClient("lscp_get_audio_driver_info"); + break; + case qsamplerDevice::Midi: + if ((pDriverInfo = ::lscp_get_midi_driver_info(pMainForm->client(), + sDriverName.toUtf8().constData())) == NULL) + appendMessagesClient("lscp_get_midi_driver_info"); + break; + case qsamplerDevice::None: + break; + } + + // If we're bogus, bail out... + if (pDriverInfo == NULL) + return; + + // Remember device parameters... + m_sDriverName = sDriverName; + + // Grab driver parameters... + for (int i = 0; pDriverInfo->parameters && pDriverInfo->parameters[i]; i++) { + const QString sParam = pDriverInfo->parameters[i]; + lscp_param_info_t *pParamInfo = NULL; + switch (m_deviceType) { + case qsamplerDevice::Audio: + if ((pParamInfo = ::lscp_get_audio_driver_param_info( + pMainForm->client(), sDriverName.toUtf8().constData(), + sParam.toUtf8().constData(), NULL)) == NULL) + appendMessagesClient("lscp_get_audio_driver_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_driver_param_info( + pMainForm->client(), sDriverName.toUtf8().constData(), + sParam.toUtf8().constData(), NULL)) == NULL) + appendMessagesClient("lscp_get_midi_driver_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + m_params[sParam.toUpper()] = qsamplerDeviceParam(pParamInfo, + pParamInfo->defaultv); + } + } + + // Refresh parameter dependencies... + refreshParams(); + // Set port/channel list... + refreshPorts(); +} + + +// Device property accessors. +int qsamplerDevice::deviceID (void) const +{ + return m_iDeviceID; } -lscp_client_t *qsamplerDeviceParameterTable::client (void) +qsamplerDevice::qsamplerDeviceType qsamplerDevice::deviceType (void) const { - return m_pClient; + return m_deviceType; +} + +const QString& qsamplerDevice::deviceTypeName (void) const +{ + return m_sDeviceType; +} + +const QString& qsamplerDevice::driverName (void) const +{ + return m_sDriverName; +} + +// Special device name formatter. +QString qsamplerDevice::deviceName (void) const +{ + QString sPrefix; + if (m_iDeviceID >= 0) + sPrefix += m_sDeviceType + ' '; + return sPrefix + m_sDeviceName; +} + + +// Set the proper device parameter value. +bool qsamplerDevice::setParam ( const QString& sParam, + const QString& sValue ) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL) + return false; + + // Set proper device parameter. + m_params[sParam.toUpper()].value = sValue; + + // If the device already exists, things get immediate... + int iRefresh = 0; + if (m_iDeviceID >= 0 && sValue != QString::null) { + // Prepare parameter struct. + lscp_param_t param; + param.key = (char *) sParam.toUtf8().constData(); + param.value = (char *) sValue.toUtf8().constData(); + // Now it depends on the device type... + lscp_status_t ret = LSCP_FAILED; + switch (m_deviceType) { + case qsamplerDevice::Audio: + if (sParam == "CHANNELS") iRefresh++; + if ((ret = ::lscp_set_audio_device_param(pMainForm->client(), + m_iDeviceID, ¶m)) != LSCP_OK) + appendMessagesClient("lscp_set_audio_device_param"); + break; + case qsamplerDevice::Midi: + if (sParam == "PORTS") iRefresh++; + if ((ret = ::lscp_set_midi_device_param(pMainForm->client(), + m_iDeviceID, ¶m)) != LSCP_OK) + appendMessagesClient("lscp_set_midi_device_param"); + break; + case qsamplerDevice::None: + break; + } + // Show result. + if (ret == LSCP_OK) { + appendMessages(QString("%1: %2.").arg(sParam).arg(sValue)); + // Special care for specific parameter changes... + if (iRefresh > 0) + iRefresh += refreshPorts(); + iRefresh += refreshDepends(sParam); + } else { + // Oops... + appendMessagesError( + QObject::tr("Could not set device parameter value.\n\nSorry.")); + } + } + + // Return whether we're need a view refresh. + return (iRefresh > 0); } +// Device parameter accessor. +const qsamplerDeviceParamMap& qsamplerDevice::params (void) const +{ + return m_params; +} + + +// Device port/channel list accessor. +qsamplerDevicePortList& qsamplerDevice::ports (void) +{ + return m_ports; +} + + +// Create a new device, as a copy of this current one. +bool qsamplerDevice::createDevice (void) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL) + return false; + + // Build the parameter list... + lscp_param_t *pParams = new lscp_param_t [m_params.count() + 1]; + int iParam = 0; + qsamplerDeviceParamMap::ConstIterator iter; + for (iter = m_params.begin(); iter != m_params.end(); ++iter) { + if (iter.value().value == QString::null) continue; + pParams[iParam].key = (char *) iter.key().toUtf8().constData(); + pParams[iParam].value = (char *) iter.value().value.toUtf8().constData(); + ++iParam; + } + // Null terminated. + pParams[iParam].key = NULL; + pParams[iParam].value = NULL; + + // Now it depends on the device type... + switch (m_deviceType) { + case qsamplerDevice::Audio: + if ((m_iDeviceID = ::lscp_create_audio_device(pMainForm->client(), + m_sDriverName.toUtf8().constData(), pParams)) < 0) + appendMessagesClient("lscp_create_audio_device"); + break; + case qsamplerDevice::Midi: + if ((m_iDeviceID = ::lscp_create_midi_device(pMainForm->client(), + m_sDriverName.toUtf8().constData(), pParams)) < 0) + appendMessagesClient("lscp_create_midi_device"); + break; + case qsamplerDevice::None: + break; + } + + // Free used parameter array. + delete pParams; + + // Show result. + if (m_iDeviceID >= 0) { + // Refresh our own stuff... + setDevice(m_deviceType, m_iDeviceID); + appendMessages(QObject::tr("created.")); + } else { + appendMessagesError(QObject::tr("Could not create device.\n\nSorry.")); + } + + // Return whether we're a valid device... + return (m_iDeviceID >= 0); +} + + +// Destroy existing device. +bool qsamplerDevice::deleteDevice (void) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL) + return false; + + // Now it depends on the device type... + lscp_status_t ret = LSCP_FAILED; + switch (m_deviceType) { + case qsamplerDevice::Audio: + if ((ret = ::lscp_destroy_audio_device(pMainForm->client(), + m_iDeviceID)) != LSCP_OK) + appendMessagesClient("lscp_destroy_audio_device"); + break; + case qsamplerDevice::Midi: + if ((ret = ::lscp_destroy_midi_device(pMainForm->client(), + m_iDeviceID)) != LSCP_OK) + appendMessagesClient("lscp_destroy_midi_device"); + break; + case qsamplerDevice::None: + break; + } + + // Show result. + if (ret == LSCP_OK) { + appendMessages(QObject::tr("deleted.")); + m_iDeviceID = -1; + } else { + appendMessagesError(QObject::tr("Could not delete device.\n\nSorry.")); + } + + // Return whether we've done it.. + return (ret == LSCP_OK); +} + + +// Device parameter dependencies refreshner. +int qsamplerDevice::refreshParams (void) +{ + // This should only make sense for scratch devices... + if (m_iDeviceID >= 0) + return 0; + // Refresh all parameters that have dependencies... + int iParams = 0; + qsamplerDeviceParamMap::ConstIterator iter; + for (iter = m_params.begin(); iter != m_params.end(); ++iter) + iParams += refreshParam(iter.key()); + // Return how many parameters have been refreshed... + return iParams; +} + + +// Device port/channel list refreshner. +int qsamplerDevice::refreshPorts (void) +{ + // This should only make sense for actual devices... + if (m_iDeviceID < 0) + return 0; + // Port/channel count determination... + int iPorts = 0; + switch (m_deviceType) { + case qsamplerDevice::Audio: + iPorts = m_params["CHANNELS"].value.toInt(); + break; + case qsamplerDevice::Midi: + iPorts = m_params["PORTS"].value.toInt(); + break; + case qsamplerDevice::None: + break; + } + // Retrieve port/channel information... + qDeleteAll(m_ports); + m_ports.clear(); + for (int iPort = 0; iPort < iPorts; iPort++) + m_ports.append(new qsamplerDevicePort(*this, iPort)); + // Return how many ports have been refreshed... + return iPorts; +} + + +// Refresh/set dependencies given that some parameter has changed. +int qsamplerDevice::refreshDepends ( const QString& sParam ) +{ + // This should only make sense for scratch devices... + if (m_iDeviceID >= 0) + return 0; + // Refresh all parameters that depend on this one... + int iDepends = 0; + qsamplerDeviceParamMap::ConstIterator iter; + for (iter = m_params.begin(); iter != m_params.end(); ++iter) { + const QStringList& depends = iter.value().depends; + if (depends.indexOf(sParam) >= 0) + iDepends += refreshParam(iter.key()); + } + // Return how many dependencies have been refreshed... + return iDepends; +} + + +// Refresh/set given parameter based on driver supplied dependencies. +int qsamplerDevice::refreshParam ( const QString& sParam ) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return 0; + if (pMainForm->client() == NULL) + return 0; + + // Check if we have dependencies... + qsamplerDeviceParam& param = m_params[sParam.toUpper()]; + if (param.depends.isEmpty()) + return 0; + + int iRefresh = 0; + + // Build dependency list... + lscp_param_t *pDepends = new lscp_param_t [param.depends.count() + 1]; + int iDepend = 0; + QStringList::ConstIterator iter; + for (iter = param.depends.begin(); iter != param.depends.end(); ++iter) { + const QString& sDepend = *iter; + pDepends[iDepend].key = (char *) sDepend.toUtf8().constData(); + pDepends[iDepend].value = (char *) m_params[sDepend.toUpper()].value + .toUtf8().constData(); + ++iDepend; + } + // Null terminated. + pDepends[iDepend].key = NULL; + pDepends[iDepend].value = NULL; + + // FIXME: Some parameter dependencies (e.g.ALSA CARD) + // are blocking for no reason, causing potential timeout-crashes. + // hopefully this gets mitigated if this dependency hell is only + // carried out for scratch devices... + + // Retrieve some modern parameters... + lscp_param_info_t *pParamInfo = NULL; + switch (m_deviceType) { + case qsamplerDevice::Audio: + if ((pParamInfo = ::lscp_get_audio_driver_param_info( + pMainForm->client(), m_sDriverName.toUtf8().constData(), + sParam.toUtf8().constData(), pDepends)) == NULL) + appendMessagesClient("lscp_get_audio_driver_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_driver_param_info( + pMainForm->client(), m_sDriverName.toUtf8().constData(), + sParam.toUtf8().constData(), pDepends)) == NULL) + appendMessagesClient("lscp_get_midi_driver_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + param = qsamplerDeviceParam(pParamInfo, + param.value.isEmpty() ? NULL : param.value.toUtf8().constData()); + iRefresh++; + } + + // Free used parameter array. + delete pDepends; + + // Return whether the parameters has been changed... + return iRefresh; +} + + +// Redirected messages output methods. +void qsamplerDevice::appendMessages( const QString& s ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessages(deviceName() + ' ' + s); +} + +void qsamplerDevice::appendMessagesColor( const QString& s, + const QString& c ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesColor(deviceName() + ' ' + s, c); +} + +void qsamplerDevice::appendMessagesText( const QString& s ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesText(deviceName() + ' ' + s); +} + +void qsamplerDevice::appendMessagesError( const QString& s ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesError(deviceName() + "\n\n" + s); +} + +void qsamplerDevice::appendMessagesClient( const QString& s ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesClient(deviceName() + ' ' + s); +} + + +// 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_list_available_audio_drivers(pClient); + break; + case qsamplerDevice::Midi: + ppszDrivers = ::lscp_list_available_midi_drivers(pClient); + break; + case qsamplerDevice::None: + break; + } + + for (int iDriver = 0; ppszDrivers && ppszDrivers[iDriver]; iDriver++) + drivers.append(ppszDrivers[iDriver]); + + return drivers; +} + + +//------------------------------------------------------------------------- +// qsamplerDevicePort - MIDI/Audio Device port/channel structure. +// + +// Constructor. +qsamplerDevicePort::qsamplerDevicePort ( qsamplerDevice& device, + int iPortID ) : m_device(device) +{ + setDevicePort(iPortID); +} + +// Default destructor. +qsamplerDevicePort::~qsamplerDevicePort (void) +{ +} + + +// Initializer. +void qsamplerDevicePort::setDevicePort ( int iPortID ) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return; + if (pMainForm->client() == NULL) + return; + + // Device port id should be always set. + m_iPortID = iPortID; + + // Reset port parameters anyway. + m_params.clear(); + + // Retrieve device port/channel info, if any. + lscp_device_port_info_t *pPortInfo = NULL; + switch (m_device.deviceType()) { + case qsamplerDevice::Audio: + if ((pPortInfo = ::lscp_get_audio_channel_info(pMainForm->client(), + m_device.deviceID(), m_iPortID)) == NULL) + m_device.appendMessagesClient("lscp_get_audio_channel_info"); + break; + case qsamplerDevice::Midi: + if ((pPortInfo = ::lscp_get_midi_port_info(pMainForm->client(), + m_device.deviceID(), m_iPortID)) == NULL) + m_device.appendMessagesClient("lscp_get_midi_port_info"); + break; + case qsamplerDevice::None: + break; + } + + // If we're bogus, bail out... + if (pPortInfo == NULL) { + m_sPortName = QString::null; + return; + } + + // Set device port/channel properties... + m_sPortName = pPortInfo->name; + + // Grab device port/channel parameters... + m_params.clear(); + for (int i = 0; pPortInfo->params && pPortInfo->params[i].key; i++) { + const QString sParam = pPortInfo->params[i].key; + lscp_param_info_t *pParamInfo = NULL; + switch (m_device.deviceType()) { + case qsamplerDevice::Audio: + if ((pParamInfo = ::lscp_get_audio_channel_param_info( + pMainForm->client(), m_device.deviceID(), + m_iPortID, sParam.toUtf8().constData())) == NULL) + m_device.appendMessagesClient("lscp_get_audio_channel_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_port_param_info( + pMainForm->client(), m_device.deviceID(), + m_iPortID, sParam.toUtf8().constData())) == NULL) + m_device.appendMessagesClient("lscp_get_midi_port_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + m_params[sParam.toUpper()] = qsamplerDeviceParam(pParamInfo, + pPortInfo->params[i].value); + } + } +} + + +// Device port/channel property accessors. +int qsamplerDevicePort::portID (void) const +{ + return m_iPortID; +} + +const QString& qsamplerDevicePort::portName (void) const +{ + return m_sPortName; +} + +// Device port/channel parameter accessor. +const qsamplerDeviceParamMap& qsamplerDevicePort::params (void) const +{ + return m_params; +} + + +// Set the proper device port/channel parameter value. +bool qsamplerDevicePort::setParam ( const QString& sParam, + const QString& sValue ) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL) + return false; + + // Set proper port/channel parameter. + m_params[sParam.toUpper()].value = sValue; + + // If the device already exists, things get immediate... + int iRefresh = 0; + if (m_device.deviceID() >= 0 && m_iPortID >= 0) { + // Prepare parameter struct. + lscp_param_t param; + param.key = (char *) sParam.toUtf8().constData(); + param.value = (char *) sValue.toUtf8().constData(); + // Now it depends on the device type... + lscp_status_t ret = LSCP_FAILED; + switch (m_device.deviceType()) { + case qsamplerDevice::Audio: + if ((ret = ::lscp_set_audio_channel_param(pMainForm->client(), + m_device.deviceID(), m_iPortID, ¶m)) != LSCP_OK) + m_device.appendMessagesClient("lscp_set_audio_channel_param"); + break; + case qsamplerDevice::Midi: + if ((ret = ::lscp_set_midi_port_param(pMainForm->client(), + m_device.deviceID(), m_iPortID, ¶m)) != LSCP_OK) + m_device.appendMessagesClient("lscp_set_midi_port_param"); + break; + case qsamplerDevice::None: + break; + } + // Show result. + if (ret == LSCP_OK) { + m_device.appendMessages(m_sPortName + + ' ' + QString("%1: %2.").arg(sParam).arg(sValue)); + iRefresh++; + } else { + m_device.appendMessagesError( + QObject::tr("Could not set %1 parameter value.\n\n" + "Sorry.").arg(m_sPortName)); + } + } + + // Return whether we're need a view refresh. + return (iRefresh > 0); +} + + +//------------------------------------------------------------------------- +// qsamplerDeviceItem - QTreeWidget device item. +// + +// Constructors. +qsamplerDeviceItem::qsamplerDeviceItem ( QTreeWidget* pTreeWidget, + qsamplerDevice::qsamplerDeviceType deviceType ) + : QTreeWidgetItem(pTreeWidget, QSAMPLER_DEVICE_ITEM), + m_device(deviceType) +{ + switch(m_device.deviceType()) { + case qsamplerDevice::Audio: + setIcon(0, QPixmap(":/icons/audio1.png")); + setText(0, QObject::tr("Audio Devices")); + break; + case qsamplerDevice::Midi: + setIcon(0, QPixmap(":/icons/midi1.png")); + setText(0, QObject::tr("MIDI Devices")); + break; + case qsamplerDevice::None: + break; + } +} + +qsamplerDeviceItem::qsamplerDeviceItem ( QTreeWidgetItem* pItem, + qsamplerDevice::qsamplerDeviceType deviceType, + int iDeviceID ) + : QTreeWidgetItem(pItem, QSAMPLER_DEVICE_ITEM), + m_device(deviceType, iDeviceID) +{ + switch(m_device.deviceType()) { + case qsamplerDevice::Audio: + setIcon(0, QPixmap(":/icons/audio2.png")); + break; + case qsamplerDevice::Midi: + setIcon(0, QPixmap(":/icons/midi2.png")); + break; + case qsamplerDevice::None: + break; + } + + setText(0, m_device.deviceName()); +} + +// Default destructor. +qsamplerDeviceItem::~qsamplerDeviceItem () +{ +} + +// Instance accessors. +qsamplerDevice& qsamplerDeviceItem::device () +{ + return m_device; +} + + +//------------------------------------------------------------------------- +// AbstractDeviceParamModel - data model base class for device parameters +// + +AbstractDeviceParamModel::AbstractDeviceParamModel(QObject* parent) : QAbstractTableModel(parent), bEditable(false) { + params = NULL; +} + +int AbstractDeviceParamModel::rowCount(const QModelIndex& /*parent*/) const { + //std::cout << "model size=" << params.size() << "\n" << std::flush; + return (params) ? params->size() : 0; +} + +int AbstractDeviceParamModel::columnCount(const QModelIndex& /*parent*/) const { + return 3; +} + +Qt::ItemFlags AbstractDeviceParamModel::flags(const QModelIndex& /*index*/) const { + return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled; +} + +QVariant AbstractDeviceParamModel::data(const QModelIndex &index, int role) const { + if (!index.isValid()) { + //std::cout << "inavlid device model index\n" << std::flush; + return QVariant(); + } + if (role != Qt::DisplayRole) { + //std::cout << "inavlid display role\n" << std::flush; + return QVariant(); + } + + DeviceParameterRow item; + item.name = params->keys()[index.row()]; + item.param = (*params)[item.name]; + + //std::cout << "item["<params = params; + this->bEditable = bEditable; + // inform the outer world (QTableView) that our data changed + QAbstractTableModel::reset(); +} + +void AbstractDeviceParamModel::clear() { + params = NULL; + // inform the outer world (QTableView) that our data changed + QAbstractTableModel::reset(); +} + + +//------------------------------------------------------------------------- +// DeviceParamModel - data model for device parameters (used for QTableView) +// + +DeviceParamModel::DeviceParamModel(QObject* parent) : AbstractDeviceParamModel(parent) { + device = NULL; +} + +bool DeviceParamModel::setData(const QModelIndex& index, const QVariant& value, int /*role*/) { + if (!index.isValid()) { + return false; + } + QString key = params->keys()[index.row()]; + //params[key].value = value.toString(); + device->setParam(key, value.toString()); + emit dataChanged(index, index); + return true; +} + +void DeviceParamModel::refresh(qsamplerDevice* pDevice, bool bEditable) { + device = pDevice; + AbstractDeviceParamModel::refresh(&pDevice->params(), bEditable); +} + +void DeviceParamModel::clear() { + AbstractDeviceParamModel::clear(); + device = NULL; +} + + +//------------------------------------------------------------------------- +// PortParamModel - data model for port parameters (used for QTableView) +// + +PortParamModel::PortParamModel(QObject* parent) : AbstractDeviceParamModel(parent) { + port = NULL; +} + +bool PortParamModel::setData(const QModelIndex& index, const QVariant& value, int /*role*/) { + if (!index.isValid()) { + return false; + } + QString key = params->keys()[index.row()]; + //params[key].value = value.toString(); + port->setParam(key, value.toString()); + emit dataChanged(index, index); + return true; +} + +void PortParamModel::refresh(qsamplerDevicePort* pPort, bool bEditable) { + port = pPort; + AbstractDeviceParamModel::refresh(&pPort->params(), bEditable); +} + +void PortParamModel::clear() { + AbstractDeviceParamModel::clear(); + port = NULL; +} + + +//------------------------------------------------------------------------- +// DeviceParamDelegate - table cell renderer for device/port parameters +// + +DeviceParamDelegate::DeviceParamDelegate(QObject *parent) : QItemDelegate(parent) { +} + +QWidget* DeviceParamDelegate::createEditor(QWidget *parent, + const QStyleOptionViewItem &/* option */, + const QModelIndex& index) const +{ + if (!index.isValid()) { + return NULL; + } + + DeviceParameterRow r = index.model()->data(index, Qt::DisplayRole).value(); + + const bool bEnabled = (/*index.model()->bEditable ||*/ !r.param.fix); + + switch (index.column()) { + case 0: + return new QLabel(r.name, parent); + case 1: { + if (r.param.type == LSCP_TYPE_BOOL) { + QCheckBox* pCheckBox = new QCheckBox(parent); + pCheckBox->setChecked(r.param.value.toLower() == "true"); + pCheckBox->setEnabled(bEnabled); + return pCheckBox; + } else if (r.param.possibilities.count() > 0) { + QStringList opts = r.param.possibilities; + if (r.param.multiplicity) + opts.prepend(tr("(none)")); + QComboBox* pComboBox = new QComboBox(parent); + pComboBox->addItems(opts); + if (r.param.value.isEmpty()) + pComboBox->setCurrentIndex(0); + else + pComboBox->setCurrentIndex(pComboBox->findText(r.param.value)); + pComboBox->setEnabled(bEnabled); + return pComboBox; + } else if (r.param.type == LSCP_TYPE_INT + && !r.param.range_min.isEmpty() + && !r.param.range_max.isEmpty()) { + QSpinBox* pSpinBox = new QSpinBox(parent); + pSpinBox->setValue(r.param.value.toInt()); + pSpinBox->setMinimum(r.param.range_min.toInt()); + pSpinBox->setMaximum(r.param.range_max.toInt()); + pSpinBox->setEnabled(bEnabled); + return pSpinBox; + } else { + QLineEdit* pLineEdit = new QLineEdit(r.param.value, parent); + pLineEdit->setEnabled(bEnabled); + return pLineEdit; + } + } + case 2: + return new QLabel(r.param.description, parent); + default: + return NULL; + } +} + +void DeviceParamDelegate::setEditorData(QWidget* /*editor*/, const QModelIndex& /*index*/) const { + // unused, since we set the editor data already in createEditor() +} + +void DeviceParamDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const { + if (index.column() == 1) { + DeviceParameterRow r = index.model()->data(index, Qt::DisplayRole).value(); + if (r.param.type == LSCP_TYPE_BOOL) { + QCheckBox* pCheckBox = static_cast(editor); + model->setData(index, QVariant(pCheckBox->checkState() == Qt::Checked)); + } else if (r.param.possibilities.count() > 0) { + QComboBox* pComboBox = static_cast(editor); + model->setData(index, pComboBox->currentText()); + } else if (r.param.type == LSCP_TYPE_INT) { + QSpinBox* pSpinBox = static_cast(editor); + model->setData(index, pSpinBox->value()); + } else { + QLineEdit* pLineEdit = static_cast(editor); + model->setData(index, pLineEdit->text()); + } + } +} + +void DeviceParamDelegate::updateEditorGeometry(QWidget* editor, + const QStyleOptionViewItem &option, const QModelIndex &/* index */) const +{ + if (editor) editor->setGeometry(option.rect); +} + // end of qsamplerDevice.cpp