--- qsampler/trunk/src/qsamplerDevice.cpp 2005/03/10 20:45:42 447 +++ qsampler/trunk/src/qsamplerDevice.cpp 2008/02/16 19:41:05 1698 @@ -1,7 +1,8 @@ // qsamplerDevice.cpp // /**************************************************************************** - Copyright (C) 2005, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2007, 2008 Christian Schoenebeck This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -13,29 +14,31 @@ 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 -#include - #include "qsamplerMainForm.h" #include "qsamplerDeviceForm.h" -#include "config.h" +#include +#include +#include + +namespace QSampler { //------------------------------------------------------------------------- -// qsamplerDeviceParam - MIDI/Audio Device parameter structure. +// QSampler::DeviceParam - MIDI/Audio Device parameter structure. // // Constructors. -qsamplerDeviceParam::qsamplerDeviceParam ( lscp_param_info_t *pParamInfo, +DeviceParam::DeviceParam ( lscp_param_info_t *pParamInfo, const char *pszValue ) { setParam(pParamInfo, pszValue); @@ -43,54 +46,54 @@ // Default destructor. -qsamplerDeviceParam::~qsamplerDeviceParam (void) +DeviceParam::~DeviceParam (void) { } // Initializer. -void qsamplerDeviceParam::setParam ( lscp_param_info_t *pParamInfo, +void DeviceParam::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; + + 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; @@ -100,50 +103,77 @@ //------------------------------------------------------------------------- -// qsamplerDevice - MIDI/Audio Device structure. +// QSampler::Device - MIDI/Audio Device structure. // // Constructor. -qsamplerDevice::qsamplerDevice ( lscp_client_t *pClient, - qsamplerDeviceType deviceType, int iDeviceID ) +Device::Device ( DeviceType deviceType, int iDeviceID ) { - setDevice(pClient, deviceType, iDeviceID); +// m_ports.setAutoDelete(true); + + setDevice(deviceType, iDeviceID); } // Default destructor. -qsamplerDevice::~qsamplerDevice (void) +Device::~Device (void) { + qDeleteAll(m_ports); + m_ports.clear(); +} + +// Copy constructor. +Device::Device ( const Device& 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; } // Initializer. -void qsamplerDevice::setDevice ( lscp_client_t *pClient, - qsamplerDeviceType deviceType, int iDeviceID ) +void Device::setDevice ( DeviceType deviceType, int iDeviceID ) { + 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; + 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: + case Device::Audio: m_sDeviceType = QObject::tr("Audio"); - pDeviceInfo = ::lscp_get_audio_device_info(pClient, iDeviceID); + 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: + case Device::Midi: m_sDeviceType = QObject::tr("MIDI"); - pDeviceInfo = ::lscp_get_midi_device_info(pClient, iDeviceID); + 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: + case Device::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"); + m_sDeviceName = QObject::tr("New %1 device").arg(m_sDeviceType); return; } @@ -153,50 +183,70 @@ + 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; + const QString sParam = 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); + case Device::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 Device::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: + case Device::None: break; } if (pParamInfo) { - m_params[pszParam] = qsamplerDeviceParam(pParamInfo, + m_params[sParam.toUpper()] = DeviceParam(pParamInfo, pDeviceInfo->params[i].value); } } + + // Refresh parameter dependencies... + refreshParams(); + // Set port/channel list... + refreshPorts(); } -// Driver name initializer. -void qsamplerDevice::setDriver ( lscp_client_t *pClient, - const QString& sDriverName ) +// Driver name initializer/settler. +void Device::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: - pDriverInfo = ::lscp_get_audio_driver_info(pClient, - sDriverName.latin1()); - break; - case qsamplerDevice::Midi: - pDriverInfo = ::lscp_get_midi_driver_info(pClient, - sDriverName.latin1()); + case Device::Audio: + if ((pDriverInfo = ::lscp_get_audio_driver_info(pMainForm->client(), + sDriverName.toUtf8().constData())) == NULL) + appendMessagesClient("lscp_get_audio_driver_info"); break; - case qsamplerDevice::None: + case Device::Midi: + if ((pDriverInfo = ::lscp_get_midi_driver_info(pMainForm->client(), + sDriverName.toUtf8().constData())) == NULL) + appendMessagesClient("lscp_get_midi_driver_info"); + break; + case Device::None: break; } @@ -208,104 +258,481 @@ 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]; + const QString sParam = 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); + case Device::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: - pParamInfo = ::lscp_get_midi_driver_param_info(pClient, - sDriverName.latin1(), pszParam, NULL); + case Device::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: + case Device::None: break; } - if (pParamInfo) - m_params[pszParam] = qsamplerDeviceParam(pParamInfo, pParamInfo->defaultv); + if (pParamInfo) { + m_params[sParam.toUpper()] = DeviceParam(pParamInfo, + pParamInfo->defaultv); + } } + + // Refresh parameter dependencies... + refreshParams(); + // Set port/channel list... + refreshPorts(); } // Device property accessors. -int qsamplerDevice::deviceID (void) const +int Device::deviceID (void) const { return m_iDeviceID; } -qsamplerDevice::qsamplerDeviceType qsamplerDevice::deviceType (void) const +Device::DeviceType Device::deviceType (void) const { return m_deviceType; } -const QString& qsamplerDevice::deviceTypeName (void) const +const QString& Device::deviceTypeName (void) const { return m_sDeviceType; } -const QString& qsamplerDevice::driverName (void) const +const QString& Device::driverName (void) const { return m_sDriverName; } -const QString& qsamplerDevice::deviceName (void) const +// Special device name formatter. +QString Device::deviceName (void) const { - return m_sDeviceName; + QString sPrefix; + if (m_iDeviceID >= 0) + sPrefix += m_sDeviceType + ' '; + return sPrefix + m_sDeviceName; } + +// Set the proper device parameter value. +bool Device::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) { + + // we need temporary byte arrrays with the final strings, because + // i.e. QString::toUtf8() only returns a temporary object and the + // C-style char* pointers for liblscp would immediately be invalidated + QByteArray finalParamKey = sParam.toUtf8(); + QByteArray finalParamVal = sValue.toUtf8(); + + // Prepare parameter struct. + lscp_param_t param; + param.key = (char *) finalParamKey.constData(); + param.value = (char *) finalParamVal.constData(); + // Now it depends on the device type... + lscp_status_t ret = LSCP_FAILED; + switch (m_deviceType) { + case Device::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 Device::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 Device::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. -qsamplerDeviceParamMap& qsamplerDevice::params (void) +const DeviceParamMap& Device::params (void) const { return m_params; } -// Update/refresh device/driver data. -void qsamplerDevice::refresh (void) +// Device port/channel list accessor. +DevicePortList& Device::ports (void) +{ + return m_ports; +} + + +// Create a new device, as a copy of this current one. +bool Device::createDevice (void) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL) + return false; + + // we need temporary lists with the final strings, because i.e. + // QString::toUtf8() only returns a temporary object and the + // C-style char* pointers for liblscp would immediately be invalidated + QList finalKeys; + QList finalVals; + + DeviceParamMap::ConstIterator iter; + for (iter = m_params.begin(); iter != m_params.end(); ++iter) { + if (iter.value().value == QString::null) continue; + finalKeys.push_back(iter.key().toUtf8()); + finalVals.push_back(iter.value().value.toUtf8()); + } + + // yeah, we DO HAVE to do the two loops separately ! + + // Build the parameter list... + lscp_param_t *pParams = new lscp_param_t [finalKeys.count() + 1]; + int iParam; + for (iParam = 0; iParam < finalKeys.count(); iParam++) { + pParams[iParam].key = (char *) finalKeys[iParam].constData(); + pParams[iParam].value = (char *) finalVals[iParam].constData(); + } + // Null terminated. + pParams[iParam].key = NULL; + pParams[iParam].value = NULL; + + // Now it depends on the device type... + switch (m_deviceType) { + case Device::Audio: + if ((m_iDeviceID = ::lscp_create_audio_device(pMainForm->client(), + m_sDriverName.toUtf8().constData(), pParams)) < 0) + appendMessagesClient("lscp_create_audio_device"); + break; + case Device::Midi: + if ((m_iDeviceID = ::lscp_create_midi_device(pMainForm->client(), + m_sDriverName.toUtf8().constData(), pParams)) < 0) + appendMessagesClient("lscp_create_midi_device"); + break; + case Device::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 Device::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 Device::Audio: + if ((ret = ::lscp_destroy_audio_device(pMainForm->client(), + m_iDeviceID)) != LSCP_OK) + appendMessagesClient("lscp_destroy_audio_device"); + break; + case Device::Midi: + if ((ret = ::lscp_destroy_midi_device(pMainForm->client(), + m_iDeviceID)) != LSCP_OK) + appendMessagesClient("lscp_destroy_midi_device"); + break; + case Device::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 Device::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; + DeviceParamMap::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 Device::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 Device::Audio: + iPorts = m_params["CHANNELS"].value.toInt(); + break; + case Device::Midi: + iPorts = m_params["PORTS"].value.toInt(); + break; + case Device::None: + break; + } + // Retrieve port/channel information... + qDeleteAll(m_ports); + m_ports.clear(); + for (int iPort = 0; iPort < iPorts; iPort++) + m_ports.append(new DevicePort(*this, iPort)); + // Return how many ports have been refreshed... + return iPorts; +} + + +// Refresh/set dependencies given that some parameter has changed. +int Device::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; + DeviceParamMap::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 Device::refreshParam ( const QString& sParam ) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return 0; + if (pMainForm->client() == NULL) + return 0; + + // Check if we have dependencies... + DeviceParam& 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; + + // we need temporary lists with the final strings, because i.e. + // QString::toUtf8() only returns a temporary object and the + // C-style char* pointers for liblscp would immediately be invalidated + QList finalKeys; + QList finalVals; + for (int i = 0; i < param.depends.count(); i++) { + const QString& sDepend = param.depends[i]; + finalKeys.push_back(sDepend.toUtf8()); + finalVals.push_back(m_params[sDepend.toUpper()].value.toUtf8()); + } + // yeah, we DO HAVE to do those two loops separately ! + for (int i = 0; i < param.depends.count(); i++) { + pDepends[iDepend].key = (char *) finalKeys[i].constData(); + pDepends[iDepend].value = (char *) finalVals[i].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 Device::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 Device::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 Device::None: + break; + } + if (pParamInfo) { + param = DeviceParam(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 Device::appendMessages( const QString& s ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessages(deviceName() + ' ' + s); +} + +void Device::appendMessagesColor( const QString& s, + const QString& c ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesColor(deviceName() + ' ' + s, c); +} + +void Device::appendMessagesText( const QString& s ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesText(deviceName() + ' ' + s); +} + +void Device::appendMessagesError( const QString& s ) const +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesError(deviceName() + "\n\n" + s); +} + +void Device::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 *Device::getDevices ( lscp_client_t *pClient, + DeviceType deviceType ) { int *piDeviceIDs = NULL; switch (deviceType) { - case qsamplerDevice::Audio: + case Device::Audio: piDeviceIDs = ::lscp_list_audio_devices(pClient); break; - case qsamplerDevice::Midi: + case Device::Midi: piDeviceIDs = ::lscp_list_midi_devices(pClient); break; - case qsamplerDevice::None: + case Device::None: break; } return piDeviceIDs; } +std::set Device::getDeviceIDs(lscp_client_t *pClient, + DeviceType deviceType) +{ + std::set result; + int* piDeviceIDs = getDevices(pClient, deviceType); + if (!piDeviceIDs) return result; + for (int i = 0; piDeviceIDs[i] != -1; ++i) + result.insert(piDeviceIDs[i]); + return result; +} + // Driver names enumerator. -QStringList qsamplerDevice::getDrivers ( lscp_client_t *pClient, - qsamplerDeviceType deviceType ) +QStringList Device::getDrivers ( lscp_client_t *pClient, + DeviceType deviceType ) { QStringList drivers; - + const char **ppszDrivers = NULL; switch (deviceType) { - case qsamplerDevice::Audio: - ppszDrivers = ::lscp_get_available_audio_drivers(pClient); + case Device::Audio: + ppszDrivers = ::lscp_list_available_audio_drivers(pClient); break; - case qsamplerDevice::Midi: - ppszDrivers = ::lscp_get_available_midi_drivers(pClient); + case Device::Midi: + ppszDrivers = ::lscp_list_available_midi_drivers(pClient); break; - case qsamplerDevice::None: + case Device::None: break; } - - for (int iDriver = 0; ppszDrivers[iDriver]; iDriver++) + + for (int iDriver = 0; ppszDrivers && ppszDrivers[iDriver]; iDriver++) drivers.append(ppszDrivers[iDriver]); return drivers; @@ -313,245 +740,519 @@ //------------------------------------------------------------------------- -// qsamplerDeviceItem - QListView device item. +// QSampler::DevicePort - MIDI/Audio Device port/channel structure. +// + +// Constructor. +DevicePort::DevicePort ( Device& device, + int iPortID ) : m_device(device) +{ + setDevicePort(iPortID); +} + +// Default destructor. +DevicePort::~DevicePort (void) +{ +} + + +// Initializer. +void DevicePort::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 Device::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 Device::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 Device::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 Device::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 Device::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 Device::None: + break; + } + if (pParamInfo) { + m_params[sParam.toUpper()] = DeviceParam(pParamInfo, + pPortInfo->params[i].value); + } + } +} + + +// Device port/channel property accessors. +int DevicePort::portID (void) const +{ + return m_iPortID; +} + +const QString& DevicePort::portName (void) const +{ + return m_sPortName; +} + +// Device port/channel parameter accessor. +const DeviceParamMap& DevicePort::params (void) const +{ + return m_params; +} + + +// Set the proper device port/channel parameter value. +bool DevicePort::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) { + + // we need temporary byte arrrays with the final strings, because + // i.e. QString::toUtf8() only returns a temporary object and the + // C-style char* pointers for liblscp would immediately be invalidated + QByteArray finalParamKey = sParam.toUtf8(); + QByteArray finalParamVal = sValue.toUtf8(); + + // Prepare parameter struct. + lscp_param_t param; + param.key = (char *) finalParamKey.constData(); + param.value = (char *) finalParamVal.constData(); + // Now it depends on the device type... + lscp_status_t ret = LSCP_FAILED; + switch (m_device.deviceType()) { + case Device::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 Device::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 Device::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); +} + + +//------------------------------------------------------------------------- +// QSampler::DeviceItem - QTreeWidget device item. // // Constructors. -qsamplerDeviceItem::qsamplerDeviceItem ( QListView *pListView, - lscp_client_t *pClient, qsamplerDevice::qsamplerDeviceType deviceType ) - : QListViewItem(pListView), m_device(pClient, deviceType) +DeviceItem::DeviceItem ( QTreeWidget* pTreeWidget, + Device::DeviceType deviceType ) + : QTreeWidgetItem(pTreeWidget, QSAMPLER_DEVICE_ITEM), + m_device(deviceType) { switch(m_device.deviceType()) { - case qsamplerDevice::Audio: - QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio1.png")); - QListViewItem::setText(0, QObject::tr("Audio devices")); + case Device::Audio: + setIcon(0, QPixmap(":/icons/audio1.png")); + setText(0, QObject::tr("Audio Devices")); break; - case qsamplerDevice::Midi: - QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi1.png")); - QListViewItem::setText(0, QObject::tr("MIDI devices")); + case Device::Midi: + setIcon(0, QPixmap(":/icons/midi1.png")); + setText(0, QObject::tr("MIDI Devices")); break; - case qsamplerDevice::None: + case Device::None: break; } + + // Root items are not selectable... + setFlags(flags() & ~Qt::ItemIsSelectable); } -qsamplerDeviceItem::qsamplerDeviceItem ( QListViewItem *pItem, - lscp_client_t *pClient, qsamplerDevice::qsamplerDeviceType deviceType, +DeviceItem::DeviceItem ( QTreeWidgetItem* pItem, + Device::DeviceType deviceType, int iDeviceID ) - : QListViewItem(pItem), m_device(pClient, deviceType, iDeviceID) + : QTreeWidgetItem(pItem, QSAMPLER_DEVICE_ITEM), + m_device(deviceType, iDeviceID) { switch(m_device.deviceType()) { - case qsamplerDevice::Audio: - QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio2.png")); + case Device::Audio: + setIcon(0, QPixmap(":/icons/audio2.png")); break; - case qsamplerDevice::Midi: - QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi2.png")); + case Device::Midi: + setIcon(0, QPixmap(":/icons/midi2.png")); break; - case qsamplerDevice::None: + case Device::None: break; } - QListViewItem::setText(0, m_device.deviceName()); + setText(0, m_device.deviceName()); } // Default destructor. -qsamplerDeviceItem::~qsamplerDeviceItem (void) +DeviceItem::~DeviceItem () { } // Instance accessors. -qsamplerDevice& qsamplerDeviceItem::device (void) +Device& DeviceItem::device () { return m_device; } -// To virtually distinguish between list view items. -int qsamplerDeviceItem::rtti() const + +//------------------------------------------------------------------------- +// QSampler::AbstractDeviceParamModel - data model base class for device parameters +// + +AbstractDeviceParamModel::AbstractDeviceParamModel ( QObject* pParent ) + : QAbstractTableModel(pParent), m_bEditable(false) { - return QSAMPLER_DEVICE_ITEM; + m_pParams = NULL; } +int AbstractDeviceParamModel::rowCount ( const QModelIndex& /*parent*/) const +{ + //std::cout << "model size=" << params.size() << "\n" << std::flush; + return (m_pParams ? m_pParams->size() : 0); +} -//------------------------------------------------------------------------- -// 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); +int AbstractDeviceParamModel::columnCount ( const QModelIndex& /*parent*/) const +{ + return 3; } -// Default destructor. -qsamplerDeviceParamTable::~qsamplerDeviceParamTable (void) + +Qt::ItemFlags AbstractDeviceParamModel::flags ( const QModelIndex& /*index*/) const { + return Qt::ItemIsEditable | Qt::ItemIsEnabled; } -// The main table refresher. -void qsamplerDeviceParamTable::refresh ( qsamplerDevice& device ) +QVariant AbstractDeviceParamModel::headerData ( + int section, Qt::Orientation orientation, int role) const { - // 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 bEnabled = (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(bEnabled); - QTable::setItem(iRow, 2, pComboItem); - } else if (param.possibilities.count() > 0) { - QComboTableItem *pComboItem = new QComboTableItem(this, - param.possibilities); - pComboItem->setCurrentItem(param.value); - pComboItem->setEnabled(bEnabled); - pComboItem->setEditable(bEnabled && param.multiplicity); - QTable::setItem(iRow, 2, pComboItem); - } else if (param.type == LSCP_TYPE_INT) { - qsamplerDeviceParamTableSpinBox *pSpinItem = - new qsamplerDeviceParamTableSpinBox(this, - bEnabled ? QTableItem::OnTyping : QTableItem::Never, - param.value); - if (!param.range_min.isEmpty()) - pSpinItem->setMinValue(param.range_min.toInt()); - if (!param.range_max.isEmpty()) - pSpinItem->setMaxValue(param.range_max.toInt()); - QTable::setItem(iRow, 2, pSpinItem); - } else { - qsamplerDeviceParamTableEditBox *pEditItem = - new qsamplerDeviceParamTableEditBox(this, - bEnabled ? QTableItem::OnTyping : QTableItem::Never, - param.value); - QTable::setItem(iRow, 2, pEditItem); + if (role != Qt::DisplayRole) + return QVariant(); + + if (orientation == Qt::Horizontal) { + switch (section) { + case 0: return tr("Parameter"); + case 1: return tr("Value"); + case 2: return tr("Description"); + default: return QVariant(); } - ++iRow; } - // Adjust optimal column widths. - QTable::adjustColumn(0); - QTable::adjustColumn(2); + return QVariant(); +} + + +void AbstractDeviceParamModel::refresh ( + const DeviceParamMap* pParams, bool bEditable ) +{ + m_pParams = pParams; + m_bEditable = bEditable; + // inform the outer world (QTableView) that our data changed + QAbstractTableModel::reset(); +} + - QTable::setUpdatesEnabled(true); - QTable::updateContents(); +void AbstractDeviceParamModel::clear (void) +{ + m_pParams = NULL; + // inform the outer world (QTableView) that our data changed + QAbstractTableModel::reset(); } //------------------------------------------------------------------------- -// qsamplerDeviceParamTableSpinBox - Custom spin box for parameter table. -// +// QSampler::DeviceParamModel - data model for device parameters +// (used for QTableView) -// Constructor. -qsamplerDeviceParamTableSpinBox::qsamplerDeviceParamTableSpinBox ( - QTable *pTable, EditType editType, const QString& sText ) - : QTableItem(pTable, editType, sText) +DeviceParamModel::DeviceParamModel ( QObject *pParent ) + : AbstractDeviceParamModel(pParent) { - m_iValue = sText.toInt(); - m_iMinValue = 0; - m_iMaxValue = 999999; + m_pDevice = NULL; } -// Public accessors. -void qsamplerDeviceParamTableSpinBox::setValue ( int iValue ) +QVariant DeviceParamModel::data ( + const QModelIndex &index, int role) const { - m_iValue = iValue; - QTableItem::setText(QString::number(m_iValue)); + if (!index.isValid()) + return QVariant(); + + if (role != Qt::DisplayRole) + return QVariant(); + + DeviceParameterRow item; + item.name = m_pParams->keys()[index.row()]; + item.param = (*m_pParams)[item.name]; + item.alive = (m_pDevice && m_pDevice->deviceID() >= 0); + + return QVariant::fromValue(item); } -void qsamplerDeviceParamTableSpinBox::setMinValue ( int iMinValue ) + +bool DeviceParamModel::setData ( + const QModelIndex& index, const QVariant& value, int /*role*/) { - m_iMinValue = iMinValue; + if (!index.isValid()) + return false; + + QString key = m_pParams->keys()[index.row()]; + //m_pParams[key].value = value.toString(); + m_pDevice->setParam(key, value.toString()); + emit dataChanged(index, index); + return true; } -void qsamplerDeviceParamTableSpinBox::setMaxValue ( int iMaxValue ) + +void DeviceParamModel::refresh ( Device* pDevice, bool bEditable ) { - m_iMaxValue = iMaxValue; + m_pDevice = pDevice; + AbstractDeviceParamModel::refresh(&pDevice->params(), bEditable); } -// Virtual implemetations. -QWidget *qsamplerDeviceParamTableSpinBox::createEditor (void) const + +void DeviceParamModel::clear (void) { - QSpinBox *pSpinBox = new QSpinBox(QTableItem::table()->viewport()); - QObject::connect(pSpinBox, SIGNAL(valueChanged(int)), - QTableItem::table(), SLOT(doValueChanged())); - if (m_iValue >= m_iMinValue && m_iMaxValue >= m_iValue) { - pSpinBox->setMinValue(m_iMinValue); - pSpinBox->setMaxValue(m_iMaxValue); - } - pSpinBox->setValue(m_iValue); - return pSpinBox; + AbstractDeviceParamModel::clear(); + m_pDevice = NULL; } -void qsamplerDeviceParamTableSpinBox::setContentFromEditor ( QWidget *pWidget ) + +//------------------------------------------------------------------------- +// QSampler::PortParamModel - data model for port parameters +// (used for QTableView) + +PortParamModel::PortParamModel ( QObject *pParent) + : AbstractDeviceParamModel(pParent) { - if (pWidget->inherits("QSpinBox")) - QTableItem::setText(QString::number(((QSpinBox *) pWidget)->value())); - else - QTableItem::setContentFromEditor(pWidget); + m_pPort = NULL; +} + +QVariant PortParamModel::data ( const QModelIndex &index, int role ) const +{ + if (!index.isValid()) + return QVariant(); + + if (role != Qt::DisplayRole) + return QVariant(); + + DeviceParameterRow item; + item.name = m_pParams->keys()[index.row()]; + item.param = (*m_pParams)[item.name]; + item.alive = (m_pPort && m_pPort->portID() >= 0); + + return QVariant::fromValue(item); +} + + +bool PortParamModel::setData ( + const QModelIndex& index, const QVariant& value, int /*role*/) +{ + if (!index.isValid()) + return false; + + QString key = m_pParams->keys()[index.row()]; + //params[key].value = value.toString(); + m_pPort->setParam(key, value.toString()); + emit dataChanged(index, index); + return true; +} + + +void PortParamModel::refresh ( DevicePort* pPort, bool bEditable ) +{ + m_pPort = pPort; + AbstractDeviceParamModel::refresh(&pPort->params(), bEditable); +} + + +void PortParamModel::clear (void) +{ + AbstractDeviceParamModel::clear(); + m_pPort = NULL; } //------------------------------------------------------------------------- -// qsamplerDeviceParamTableEditBox - Custom edit box for parameter table. +// QSampler::DeviceParamDelegate - table cell renderer for device/port parameters // -// Constructor. -qsamplerDeviceParamTableEditBox::qsamplerDeviceParamTableEditBox ( - QTable *pTable, EditType editType, const QString& sText ) - : QTableItem(pTable, editType, sText) +DeviceParamDelegate::DeviceParamDelegate ( QObject *pParent) + : QItemDelegate(pParent) { } -// Virtual implemetations. -QWidget *qsamplerDeviceParamTableEditBox::createEditor (void) const + +QWidget* DeviceParamDelegate::createEditor ( QWidget *pParent, + const QStyleOptionViewItem& /* option */, const QModelIndex& index ) const { - QLineEdit *pEditBox = new QLineEdit(QTableItem::table()->viewport()); - QObject::connect(pEditBox, SIGNAL(returnPressed()), - QTableItem::table(), SLOT(doValueChanged())); - pEditBox->setText(QTableItem::text()); - return pEditBox; + if (!index.isValid()) + return NULL; + + DeviceParameterRow r = index.model()->data(index, + Qt::DisplayRole).value(); + + const bool bEnabled = (r.alive) ? !r.param.fix : true; + + QString val = (r.alive) ? r.param.value : r.param.defaultv; + + switch (index.column()) { + case 0: + return new QLabel(r.name, pParent); + case 1: { + if (r.param.type == LSCP_TYPE_BOOL) { + QCheckBox *pCheckBox = new QCheckBox(pParent); + if (val != QString::null) + pCheckBox->setChecked(val.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(pParent); + pComboBox->addItems(opts); + if (r.param.value.isEmpty()) + pComboBox->setCurrentIndex(0); + else + pComboBox->setCurrentIndex(pComboBox->findText(val)); + pComboBox->setEnabled(bEnabled); + return pComboBox; + } else if (r.param.type == LSCP_TYPE_INT && bEnabled) { + QSpinBox *pSpinBox = new QSpinBox(pParent); + pSpinBox->setMinimum( + (!r.param.range_min.isEmpty()) ? + r.param.range_min.toInt() : 0 // or better a negative default min value ? + ); + pSpinBox->setMaximum( + (!r.param.range_max.isEmpty()) ? + r.param.range_max.toInt() : (1 << 16) // or better a nigher default max value ? + ); + pSpinBox->setValue(val.toInt()); + return pSpinBox; + } else if (bEnabled) { + QLineEdit *pLineEdit = new QLineEdit(val, pParent); + return pLineEdit; + } else { + QLabel *pLabel = new QLabel(val, pParent); + return pLabel; + } + } + case 2: + return new QLabel(r.param.description, pParent); + default: + return NULL; + } } -void qsamplerDeviceParamTableEditBox::setContentFromEditor ( QWidget *pWidget ) + +void DeviceParamDelegate::setEditorData ( + QWidget* /*pEditor*/, const QModelIndex& /*index*/) const { - if (pWidget->inherits("QLineEdit")) - QTableItem::setText(((QLineEdit *) pWidget)->text()); - else - QTableItem::setContentFromEditor(pWidget); + // Unused, since we set the editor data already in createEditor() +} + + +void DeviceParamDelegate::setModelData ( QWidget *pEditor, + QAbstractItemModel *pModel, const QModelIndex& index ) const +{ + if (index.column() == 1) { + DeviceParameterRow r = index.model()->data(index, + Qt::DisplayRole).value (); + if (pEditor->metaObject()->className() == QString("QCheckBox")) { + QCheckBox *pCheckBox = static_cast (pEditor); + pModel->setData(index, QVariant(pCheckBox->checkState() == Qt::Checked)); + } else if (pEditor->metaObject()->className() == QString("QComboBox")) { + QComboBox *pComboBox = static_cast (pEditor); + pModel->setData(index, pComboBox->currentText()); + } else if (pEditor->metaObject()->className() == QString("QSpinBox")) { + QSpinBox *pSpinBox = static_cast (pEditor); + pModel->setData(index, pSpinBox->value()); + } else if (pEditor->metaObject()->className() == QString("QLineEdit")) { + QLineEdit *pLineEdit = static_cast (pEditor); + pModel->setData(index, pLineEdit->text()); + } else if (pEditor->metaObject()->className() == QString("QLabel")) { + QLabel *pLabel = static_cast (pEditor); + pModel->setData(index, pLabel->text()); + } + } +} + +void DeviceParamDelegate::updateEditorGeometry ( QWidget *pEditor, + const QStyleOptionViewItem &option, const QModelIndex &/* index */) const +{ + if (pEditor) + pEditor->setGeometry(option.rect); } +} // namespace QSampler // end of qsamplerDevice.cpp