--- qsampler/trunk/src/qsamplerDevice.cpp 2007/11/01 17:14:21 1464 +++ qsampler/trunk/src/qsamplerDevice.cpp 2008/02/16 19:41:05 1698 @@ -2,7 +2,7 @@ // /**************************************************************************** Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved. - Copyright (C) 2007, Christian Schoenebeck + 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 @@ -26,17 +26,19 @@ #include "qsamplerMainForm.h" #include "qsamplerDeviceForm.h" -#include -#include +#include +#include +#include -using namespace QSampler; + +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); @@ -44,13 +46,13 @@ // 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) @@ -101,25 +103,27 @@ //------------------------------------------------------------------------- -// qsamplerDevice - MIDI/Audio Device structure. +// QSampler::Device - MIDI/Audio Device structure. // // Constructor. -qsamplerDevice::qsamplerDevice ( qsamplerDeviceType deviceType, int iDeviceID ) +Device::Device ( DeviceType deviceType, int iDeviceID ) { - m_ports.setAutoDelete(true); +// m_ports.setAutoDelete(true); setDevice(deviceType, iDeviceID); } // Default destructor. -qsamplerDevice::~qsamplerDevice (void) +Device::~Device (void) { + qDeleteAll(m_ports); + m_ports.clear(); } // Copy constructor. -qsamplerDevice::qsamplerDevice ( const qsamplerDevice& device ) - : m_params(device.m_params), m_ports(m_ports) +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; @@ -130,7 +134,7 @@ // Initializer. -void qsamplerDevice::setDevice ( qsamplerDeviceType deviceType, int iDeviceID ) +void Device::setDevice ( DeviceType deviceType, int iDeviceID ) { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm == NULL) @@ -144,24 +148,25 @@ // 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"); 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"); 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; } @@ -182,21 +187,23 @@ 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.latin1(), sParam.latin1(), NULL)) == 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 qsamplerDevice::Midi: - if ((pParamInfo = ::lscp_get_midi_driver_param_info(pMainForm->client(), - m_sDriverName.latin1(), sParam.latin1(), NULL)) == NULL) + 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[sParam.upper()] = qsamplerDeviceParam(pParamInfo, + m_params[sParam.toUpper()] = DeviceParam(pParamInfo, pDeviceInfo->params[i].value); } } @@ -209,7 +216,7 @@ // Driver name initializer/settler. -void qsamplerDevice::setDriver ( const QString& sDriverName ) +void Device::setDriver ( const QString& sDriverName ) { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm == NULL) @@ -223,22 +230,23 @@ // 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: + case Device::Audio: if ((pDriverInfo = ::lscp_get_audio_driver_info(pMainForm->client(), - sDriverName.latin1())) == NULL) + sDriverName.toUtf8().constData())) == NULL) appendMessagesClient("lscp_get_audio_driver_info"); break; - case qsamplerDevice::Midi: + case Device::Midi: if ((pDriverInfo = ::lscp_get_midi_driver_info(pMainForm->client(), - sDriverName.latin1())) == NULL) + sDriverName.toUtf8().constData())) == NULL) appendMessagesClient("lscp_get_midi_driver_info"); break; - case qsamplerDevice::None: + case Device::None: break; } @@ -254,21 +262,23 @@ 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.latin1(), sParam.latin1(), NULL)) == 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: - if ((pParamInfo = ::lscp_get_midi_driver_param_info(pMainForm->client(), - sDriverName.latin1(), sParam.latin1(), NULL)) == 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[sParam.upper()] = qsamplerDeviceParam(pParamInfo, + m_params[sParam.toUpper()] = DeviceParam(pParamInfo, pParamInfo->defaultv); } } @@ -281,38 +291,38 @@ // 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; } // Special device name formatter. -QString qsamplerDevice::deviceName (void) const +QString Device::deviceName (void) const { QString sPrefix; if (m_iDeviceID >= 0) - sPrefix += m_sDeviceType + ' '; + sPrefix += m_sDeviceType + ' '; return sPrefix + m_sDeviceName; } // Set the proper device parameter value. -bool qsamplerDevice::setParam ( const QString& sParam, +bool Device::setParam ( const QString& sParam, const QString& sValue ) { MainForm *pMainForm = MainForm::getInstance(); @@ -322,31 +332,38 @@ return false; // Set proper device parameter. - m_params[sParam.upper()].value = sValue; + m_params[sParam.toUpper()].value = sValue; // If the device already exists, things get immediate... int iRefresh = 0; - if (m_iDeviceID >= 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 *) sParam.latin1(); - param.value = (char *) sValue.latin1(); + 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 qsamplerDevice::Audio: - if (sParam == "CHANNELS") iRefresh++; + 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 qsamplerDevice::Midi: - if (sParam == "PORTS") iRefresh++; + 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 qsamplerDevice::None: + case Device::None: break; } // Show result. @@ -369,21 +386,21 @@ // Device parameter accessor. -const qsamplerDeviceParamMap& qsamplerDevice::params (void) const +const DeviceParamMap& Device::params (void) const { return m_params; } // Device port/channel list accessor. -qsamplerDevicePortList& qsamplerDevice::ports (void) +DevicePortList& Device::ports (void) { return m_ports; } // Create a new device, as a copy of this current one. -bool qsamplerDevice::createDevice (void) +bool Device::createDevice (void) { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm == NULL) @@ -391,14 +408,27 @@ 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; + // 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) { - pParams[iParam].key = (char *) iter.key().latin1(); - pParams[iParam].value = (char *) iter.data().value.latin1(); - ++iParam; + 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; @@ -406,17 +436,17 @@ // Now it depends on the device type... switch (m_deviceType) { - case qsamplerDevice::Audio: + case Device::Audio: if ((m_iDeviceID = ::lscp_create_audio_device(pMainForm->client(), - m_sDriverName.latin1(), pParams)) < 0) + m_sDriverName.toUtf8().constData(), pParams)) < 0) appendMessagesClient("lscp_create_audio_device"); break; - case qsamplerDevice::Midi: + case Device::Midi: if ((m_iDeviceID = ::lscp_create_midi_device(pMainForm->client(), - m_sDriverName.latin1(), pParams)) < 0) + m_sDriverName.toUtf8().constData(), pParams)) < 0) appendMessagesClient("lscp_create_midi_device"); break; - case qsamplerDevice::None: + case Device::None: break; } @@ -438,7 +468,7 @@ // Destroy existing device. -bool qsamplerDevice::deleteDevice (void) +bool Device::deleteDevice (void) { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm == NULL) @@ -449,17 +479,17 @@ // Now it depends on the device type... lscp_status_t ret = LSCP_FAILED; switch (m_deviceType) { - case qsamplerDevice::Audio: + case Device::Audio: if ((ret = ::lscp_destroy_audio_device(pMainForm->client(), m_iDeviceID)) != LSCP_OK) appendMessagesClient("lscp_destroy_audio_device"); break; - case qsamplerDevice::Midi: + case Device::Midi: if ((ret = ::lscp_destroy_midi_device(pMainForm->client(), m_iDeviceID)) != LSCP_OK) appendMessagesClient("lscp_destroy_midi_device"); break; - case qsamplerDevice::None: + case Device::None: break; } @@ -477,14 +507,14 @@ // Device parameter dependencies refreshner. -int qsamplerDevice::refreshParams (void) +int Device::refreshParams (void) { // This should only make sense for scratch devices... if (m_iDeviceID >= 0) - return 0; + return 0; // Refresh all parameters that have dependencies... int iParams = 0; - qsamplerDeviceParamMap::ConstIterator iter; + DeviceParamMap::ConstIterator iter; for (iter = m_params.begin(); iter != m_params.end(); ++iter) iParams += refreshParam(iter.key()); // Return how many parameters have been refreshed... @@ -493,44 +523,45 @@ // Device port/channel list refreshner. -int qsamplerDevice::refreshPorts (void) +int Device::refreshPorts (void) { // This should only make sense for actual devices... if (m_iDeviceID < 0) - return 0; + return 0; // Port/channel count determination... int iPorts = 0; switch (m_deviceType) { - case qsamplerDevice::Audio: + case Device::Audio: iPorts = m_params["CHANNELS"].value.toInt(); break; - case qsamplerDevice::Midi: + case Device::Midi: iPorts = m_params["PORTS"].value.toInt(); break; - case qsamplerDevice::None: + 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 qsamplerDevicePort(*this, 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 qsamplerDevice::refreshDepends ( const QString& sParam ) +int Device::refreshDepends ( const QString& sParam ) { // This should only make sense for scratch devices... if (m_iDeviceID >= 0) - return 0; + return 0; // Refresh all parameters that depend on this one... int iDepends = 0; - qsamplerDeviceParamMap::ConstIterator iter; + DeviceParamMap::ConstIterator iter; for (iter = m_params.begin(); iter != m_params.end(); ++iter) { - const QStringList& depends = iter.data().depends; - if (depends.find(sParam) != depends.end()) + const QStringList& depends = iter.value().depends; + if (depends.indexOf(sParam) >= 0) iDepends += refreshParam(iter.key()); } // Return how many dependencies have been refreshed... @@ -539,7 +570,7 @@ // Refresh/set given parameter based on driver supplied dependencies. -int qsamplerDevice::refreshParam ( const QString& sParam ) +int Device::refreshParam ( const QString& sParam ) { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm == NULL) @@ -548,7 +579,7 @@ return 0; // Check if we have dependencies... - qsamplerDeviceParam& param = m_params[sParam.upper()]; + DeviceParam& param = m_params[sParam.toUpper()]; if (param.depends.isEmpty()) return 0; @@ -557,11 +588,21 @@ // 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.latin1(); - pDepends[iDepend].value = (char *) m_params[sDepend.upper()].value.latin1(); + + // 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. @@ -576,21 +617,24 @@ // 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.latin1(), sParam.latin1(), pDepends)) == NULL) + 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 qsamplerDevice::Midi: - if ((pParamInfo = ::lscp_get_midi_driver_param_info(pMainForm->client(), - m_sDriverName.latin1(), sParam.latin1(), pDepends)) == NULL) + 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 qsamplerDevice::None: + case Device::None: break; } if (pParamInfo) { - param = qsamplerDeviceParam(pParamInfo, QString(param.value)); + param = DeviceParam(pParamInfo, + param.value.isEmpty() ? NULL : param.value.toUtf8().constData()); iRefresh++; } @@ -603,14 +647,14 @@ // Redirected messages output methods. -void qsamplerDevice::appendMessages( const QString& s ) const +void Device::appendMessages( const QString& s ) const { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm) pMainForm->appendMessages(deviceName() + ' ' + s); } -void qsamplerDevice::appendMessagesColor( const QString& s, +void Device::appendMessagesColor( const QString& s, const QString& c ) const { MainForm *pMainForm = MainForm::getInstance(); @@ -618,21 +662,21 @@ pMainForm->appendMessagesColor(deviceName() + ' ' + s, c); } -void qsamplerDevice::appendMessagesText( const QString& s ) const +void Device::appendMessagesText( const QString& s ) const { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm) pMainForm->appendMessagesText(deviceName() + ' ' + s); } -void qsamplerDevice::appendMessagesError( const QString& s ) const +void Device::appendMessagesError( const QString& s ) const { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm) pMainForm->appendMessagesError(deviceName() + "\n\n" + s); } -void qsamplerDevice::appendMessagesClient( const QString& s ) const +void Device::appendMessagesClient( const QString& s ) const { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm) @@ -641,39 +685,50 @@ // 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: + case Device::Audio: ppszDrivers = ::lscp_list_available_audio_drivers(pClient); break; - case qsamplerDevice::Midi: + case Device::Midi: ppszDrivers = ::lscp_list_available_midi_drivers(pClient); break; - case qsamplerDevice::None: + case Device::None: break; } @@ -685,24 +740,24 @@ //------------------------------------------------------------------------- -// qsamplerDevicePort - MIDI/Audio Device port/channel structure. +// QSampler::DevicePort - MIDI/Audio Device port/channel structure. // // Constructor. -qsamplerDevicePort::qsamplerDevicePort ( qsamplerDevice& device, +DevicePort::DevicePort ( Device& device, int iPortID ) : m_device(device) { setDevicePort(iPortID); } // Default destructor. -qsamplerDevicePort::~qsamplerDevicePort (void) +DevicePort::~DevicePort (void) { } // Initializer. -void qsamplerDevicePort::setDevicePort ( int iPortID ) +void DevicePort::setDevicePort ( int iPortID ) { MainForm *pMainForm = MainForm::getInstance(); if (pMainForm == NULL) @@ -719,17 +774,17 @@ // Retrieve device port/channel info, if any. lscp_device_port_info_t *pPortInfo = NULL; switch (m_device.deviceType()) { - case qsamplerDevice::Audio: + 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 qsamplerDevice::Midi: + 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 qsamplerDevice::None: + case Device::None: break; } @@ -748,23 +803,23 @@ const QString sParam = pPortInfo->params[i].key; lscp_param_info_t *pParamInfo = NULL; switch (m_device.deviceType()) { - case qsamplerDevice::Audio: + case Device::Audio: if ((pParamInfo = ::lscp_get_audio_channel_param_info( pMainForm->client(), m_device.deviceID(), - m_iPortID, sParam.latin1())) == NULL) + m_iPortID, sParam.toUtf8().constData())) == NULL) m_device.appendMessagesClient("lscp_get_audio_channel_param_info"); break; - case qsamplerDevice::Midi: + case Device::Midi: if ((pParamInfo = ::lscp_get_midi_port_param_info( pMainForm->client(), m_device.deviceID(), - m_iPortID, sParam.latin1())) == NULL) + m_iPortID, sParam.toUtf8().constData())) == NULL) m_device.appendMessagesClient("lscp_get_midi_port_param_info"); break; - case qsamplerDevice::None: + case Device::None: break; } if (pParamInfo) { - m_params[sParam.upper()] = qsamplerDeviceParam(pParamInfo, + m_params[sParam.toUpper()] = DeviceParam(pParamInfo, pPortInfo->params[i].value); } } @@ -772,25 +827,25 @@ // Device port/channel property accessors. -int qsamplerDevicePort::portID (void) const +int DevicePort::portID (void) const { return m_iPortID; } -const QString& qsamplerDevicePort::portName (void) const +const QString& DevicePort::portName (void) const { return m_sPortName; } // Device port/channel parameter accessor. -const qsamplerDeviceParamMap& qsamplerDevicePort::params (void) const +const DeviceParamMap& DevicePort::params (void) const { return m_params; } // Set the proper device port/channel parameter value. -bool qsamplerDevicePort::setParam ( const QString& sParam, +bool DevicePort::setParam ( const QString& sParam, const QString& sValue ) { MainForm *pMainForm = MainForm::getInstance(); @@ -800,29 +855,36 @@ return false; // Set proper port/channel parameter. - m_params[sParam.upper()].value = sValue; + 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 *) sParam.latin1(); - param.value = (char *) sValue.latin1(); + 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 qsamplerDevice::Audio: + 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 qsamplerDevice::Midi: + 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 qsamplerDevice::None: + case Device::None: break; } // Show result. @@ -843,369 +905,354 @@ //------------------------------------------------------------------------- -// qsamplerDeviceItem - QTreeWidget device item. +// QSampler::DeviceItem - QTreeWidget device item. // // Constructors. -qsamplerDeviceItem::qsamplerDeviceItem ( QTreeWidget* pTreeWidget, - qsamplerDevice::qsamplerDeviceType deviceType ) +DeviceItem::DeviceItem ( QTreeWidget* pTreeWidget, + Device::DeviceType deviceType ) : QTreeWidgetItem(pTreeWidget, QSAMPLER_DEVICE_ITEM), - m_device(deviceType) + m_device(deviceType) { switch(m_device.deviceType()) { - case qsamplerDevice::Audio: - setIcon(0, QPixmap(":/qsampler/pixmaps/audio1.png")); - setText(1, QObject::tr("Audio Devices")); + case Device::Audio: + setIcon(0, QPixmap(":/icons/audio1.png")); + setText(0, QObject::tr("Audio Devices")); break; - case qsamplerDevice::Midi: - setIcon(0, QPixmap(":/qsampler/pixmaps/midi1.png")); - setText(1, 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 ( QTreeWidgetItem* pItem, - qsamplerDevice::qsamplerDeviceType deviceType, +DeviceItem::DeviceItem ( QTreeWidgetItem* pItem, + Device::DeviceType deviceType, int iDeviceID ) : QTreeWidgetItem(pItem, QSAMPLER_DEVICE_ITEM), - m_device(deviceType, iDeviceID) + m_device(deviceType, iDeviceID) { switch(m_device.deviceType()) { - case qsamplerDevice::Audio: - setIcon(0, QPixmap(":/qsampler/pixmaps/audio2.png")); + case Device::Audio: + setIcon(0, QPixmap(":/icons/audio2.png")); break; - case qsamplerDevice::Midi: - setIcon(0, QPixmap(":/qsampler/pixmaps/midi2.png")); + case Device::Midi: + setIcon(0, QPixmap(":/icons/midi2.png")); break; - case qsamplerDevice::None: + case Device::None: break; } - setText(1, 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; } - //------------------------------------------------------------------------- -// qsamplerDeviceParamTable - Device parameter view table. +// QSampler::AbstractDeviceParamModel - data model base class for device parameters // -#if 0 -// 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, false); -- of course not. - QTable::setColumnStretchable(1, true); -} -// Default destructor. -qsamplerDeviceParamTable::~qsamplerDeviceParamTable (void) +AbstractDeviceParamModel::AbstractDeviceParamModel ( QObject* pParent ) + : QAbstractTableModel(pParent), m_bEditable(false) { + m_pParams = NULL; } -// Common parameter table renderer. -void qsamplerDeviceParamTable::refresh ( const qsamplerDeviceParamMap& params, - bool bEditable ) -{ - // Always (re)start it empty. - QTable::setUpdatesEnabled(false); - QTable::setNumRows(0); - - // Fill the parameter table... - 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 = (bEditable || !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 && bEnabled) { - QStringList opts = param.possibilities; - if (param.multiplicity) - opts.prepend(tr("(none)")); - QComboTableItem *pComboItem = new QComboTableItem(this, opts); - if (param.value.isEmpty()) - pComboItem->setCurrentItem(0); - else - pComboItem->setCurrentItem(param.value); - pComboItem->setEnabled(bEnabled); - QTable::setItem(iRow, 2, pComboItem); - } else if (param.type == LSCP_TYPE_INT && bEnabled - && !param.range_min.isEmpty() - && !param.range_max.isEmpty()) { - qsamplerDeviceParamTableSpinBox *pSpinItem = - new qsamplerDeviceParamTableSpinBox(this, - bEnabled ? QTableItem::OnTyping : QTableItem::Never, - param.value); - pSpinItem->setMinValue(param.range_min.toInt()); - 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); - } - ++iRow; - } +int AbstractDeviceParamModel::rowCount ( const QModelIndex& /*parent*/) const +{ + //std::cout << "model size=" << params.size() << "\n" << std::flush; + return (m_pParams ? m_pParams->size() : 0); +} - // Adjust optimal column widths. - QTable::adjustColumn(0); - QTable::adjustColumn(2); - QTable::setUpdatesEnabled(true); - QTable::updateContents(); +int AbstractDeviceParamModel::columnCount ( const QModelIndex& /*parent*/) const +{ + return 3; } -#endif -DeviceParamModel::DeviceParamModel(QObject* parent) : QAbstractTableModel(parent), bEditable(false) { -} -int DeviceParamModel::rowCount(const QModelIndex& /*parent*/) const { - return params.size(); +Qt::ItemFlags AbstractDeviceParamModel::flags ( const QModelIndex& /*index*/) const +{ + return Qt::ItemIsEditable | Qt::ItemIsEnabled; } -int DeviceParamModel::columnCount(const QModelIndex& /*parent*/) const { - return 3; -} -QVariant DeviceParamModel::data(const QModelIndex &index, int role) const { - if (!index.isValid()) - return QVariant(); - if (role != Qt::DisplayRole) - return QVariant(); +QVariant AbstractDeviceParamModel::headerData ( + int section, Qt::Orientation orientation, int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); - DeviceParameterRow item; - item.name = params.keys()[index.row()]; - item.param = params[item.name]; + if (orientation == Qt::Horizontal) { + switch (section) { + case 0: return tr("Parameter"); + case 1: return tr("Value"); + case 2: return tr("Description"); + default: return QVariant(); + } + } - return QVariant::fromValue(item); + return QVariant(); } -QVariant DeviceParamModel::headerData(int section, Qt::Orientation orientation, int role) const { - 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(); - } - } - 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(); } -void DeviceParamModel::refresh(const qsamplerDeviceParamMap& params, bool bEditable) + +void AbstractDeviceParamModel::clear (void) { - this->params = params; - this->bEditable = bEditable; + m_pParams = NULL; + // inform the outer world (QTableView) that our data changed + QAbstractTableModel::reset(); } -void DeviceParamModel::clear() { - params.clear(); -} +//------------------------------------------------------------------------- +// QSampler::DeviceParamModel - data model for device parameters +// (used for QTableView) -DeviceParamDelegate::DeviceParamDelegate(QObject *parent) : QItemDelegate(parent) { +DeviceParamModel::DeviceParamModel ( QObject *pParent ) + : AbstractDeviceParamModel(pParent) +{ + m_pDevice = NULL; } -QWidget* DeviceParamDelegate::createEditor(QWidget *parent, - const QStyleOptionViewItem &/* option */, - const QModelIndex& index) const +QVariant DeviceParamModel::data ( + const QModelIndex &index, int role) const { - DeviceParameterRow r = index.model()->data(index, Qt::DisplayRole).value(); + if (!index.isValid()) + return QVariant(); - const bool bEnabled = (/*index.model()->bEditable ||*/ !r.param.fix); + if (role != Qt::DisplayRole) + return QVariant(); - 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.lower() == "true"); - pCheckBox->setEnabled(bEnabled); - return pCheckBox; - } else if (r.param.possibilities.count() > 0 && bEnabled) { - 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 && bEnabled - && !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()); - return pSpinBox; - } else { - QLineEdit* pLineEdit = new QLineEdit(r.param.value, parent); - return pLineEdit; - } - } - case 2: - return new QLabel(r.param.description, parent); - default: - return NULL; - } -} + DeviceParameterRow item; + item.name = m_pParams->keys()[index.row()]; + item.param = (*m_pParams)[item.name]; + item.alive = (m_pDevice && m_pDevice->deviceID() >= 0); -void DeviceParamDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const { -/* - ChannelRoutingItem item = index.model()->data(index, Qt::DisplayRole).value(); - QComboBox* comboBox = static_cast(editor); - comboBox->setCurrentIndex(item.selection); -*/ + return QVariant::fromValue(item); } -void DeviceParamDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const { -/* - QComboBox* comboBox = static_cast(editor); - model->setData(index, comboBox->currentIndex()); -*/ + +bool DeviceParamModel::setData ( + const QModelIndex& index, const QVariant& value, int /*role*/) +{ + 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 DeviceParamDelegate::updateEditorGeometry(QWidget* editor, - const QStyleOptionViewItem &option, const QModelIndex &/* index */) const + +void DeviceParamModel::refresh ( Device* pDevice, bool bEditable ) { - if (editor) editor->setGeometry(option.rect); + m_pDevice = pDevice; + AbstractDeviceParamModel::refresh(&pDevice->params(), bEditable); } -//------------------------------------------------------------------------- -// qsamplerDeviceParamTableSpinBox - Custom spin box for parameter table. -// -#if 0 -// Constructor. -qsamplerDeviceParamTableSpinBox::qsamplerDeviceParamTableSpinBox ( - QTable *pTable, EditType editType, const QString& sText ) - : QTableItem(pTable, editType, sText) +void DeviceParamModel::clear (void) { - m_iValue = sText.toInt(); - m_iMinValue = m_iMaxValue = 0; + AbstractDeviceParamModel::clear(); + m_pDevice = NULL; } -// Public accessors. -void qsamplerDeviceParamTableSpinBox::setValue ( int iValue ) + +//------------------------------------------------------------------------- +// QSampler::PortParamModel - data model for port parameters +// (used for QTableView) + +PortParamModel::PortParamModel ( QObject *pParent) + : AbstractDeviceParamModel(pParent) { - m_iValue = iValue; - QTableItem::setText(QString::number(m_iValue)); + m_pPort = NULL; } -void qsamplerDeviceParamTableSpinBox::setMinValue ( int iMinValue ) +QVariant PortParamModel::data ( const QModelIndex &index, int role ) const { - m_iMinValue = iMinValue; + 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); } -void qsamplerDeviceParamTableSpinBox::setMaxValue ( int iMaxValue ) + +bool PortParamModel::setData ( + const QModelIndex& index, const QVariant& value, int /*role*/) { - m_iMaxValue = iMaxValue; + 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; } -// Virtual implemetations. -QWidget *qsamplerDeviceParamTableSpinBox::createEditor (void) const + +void PortParamModel::refresh ( DevicePort* pPort, bool bEditable ) { - 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; + m_pPort = pPort; + AbstractDeviceParamModel::refresh(&pPort->params(), bEditable); } -void qsamplerDeviceParamTableSpinBox::setContentFromEditor ( QWidget *pWidget ) + +void PortParamModel::clear (void) { - if (pWidget->inherits("QSpinBox")) - QTableItem::setText(QString::number(((QSpinBox *) pWidget)->value())); - else - QTableItem::setContentFromEditor(pWidget); + 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 +{ + // 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 (pWidget->inherits("QLineEdit")) - QTableItem::setText(((QLineEdit *) pWidget)->text()); - else - QTableItem::setContentFromEditor(pWidget); + if (pEditor) + pEditor->setGeometry(option.rect); } -#endif +} // namespace QSampler // end of qsamplerDevice.cpp