--- qsampler/trunk/src/qsamplerDevice.cpp 2005/03/07 11:09:32 426 +++ qsampler/trunk/src/qsamplerDevice.cpp 2005/08/28 11:44:10 759 @@ -1,7 +1,7 @@ // qsamplerDevice.cpp // /**************************************************************************** - Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2005, rncbc aka Rui Nuno Capela. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -19,41 +19,1035 @@ *****************************************************************************/ +#include "qsamplerAbout.h" #include "qsamplerDevice.h" #include "qsamplerMainForm.h" #include "qsamplerDeviceForm.h" -#include "config.h" +#include +#include //------------------------------------------------------------------------- -// qsamplerDeviceParameterTable - Device parameter view table. +// qsamplerDeviceParam - MIDI/Audio Device parameter structure. +// + +// Constructors. +qsamplerDeviceParam::qsamplerDeviceParam ( lscp_param_info_t *pParamInfo, + const char *pszValue ) +{ + setParam(pParamInfo, pszValue); +} + + +// Default destructor. +qsamplerDeviceParam::~qsamplerDeviceParam (void) +{ +} + + +// Initializer. +void qsamplerDeviceParam::setParam ( lscp_param_info_t *pParamInfo, + const char *pszValue ) +{ + if (pParamInfo == NULL) + return; + + // Info structure field members. + + type = pParamInfo->type; + + if (pParamInfo->description) + description = pParamInfo->description; + else + description = QString::null; + + mandatory = (bool) pParamInfo->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; +} + + +//------------------------------------------------------------------------- +// qsamplerDevice - MIDI/Audio Device structure. +// + +// Constructor. +qsamplerDevice::qsamplerDevice ( qsamplerMainForm *pMainForm, + qsamplerDeviceType deviceType, int iDeviceID ) +{ + m_pMainForm = pMainForm; + + m_ports.setAutoDelete(true); + + setDevice(deviceType, iDeviceID); +} + +// Default destructor. +qsamplerDevice::~qsamplerDevice (void) +{ +} + +// Copy constructor. +qsamplerDevice::qsamplerDevice ( const qsamplerDevice& device ) + : m_params(device.m_params), m_ports(m_ports) +{ + m_pMainForm = device.m_pMainForm; + 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 ( qsamplerDeviceType deviceType, int iDeviceID ) +{ + // Device id and type should be always set. + m_iDeviceID = iDeviceID; + m_deviceType = deviceType; + + // Reset device parameters and ports anyway. + m_params.clear(); + 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( + 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( + 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(client(), + m_sDriverName.latin1(), sParam.latin1(), NULL)) == NULL) + appendMessagesClient("lscp_get_audio_driver_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_driver_param_info(client(), + m_sDriverName.latin1(), sParam.latin1(), NULL)) == NULL) + appendMessagesClient("lscp_get_midi_driver_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + m_params[sParam.upper()] = 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 ) +{ + // Valid only for scratch devices. + if (m_sDriverName == sDriverName) + return; + + // Reset device parameters and ports anyway. + m_params.clear(); + 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(client(), + sDriverName.latin1())) == NULL) + appendMessagesClient("lscp_get_audio_driver_info"); + break; + case qsamplerDevice::Midi: + if ((pDriverInfo = ::lscp_get_midi_driver_info(client(), + sDriverName.latin1())) == 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(client(), + sDriverName.latin1(), sParam.latin1(), NULL)) == NULL) + appendMessagesClient("lscp_get_audio_driver_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_driver_param_info(client(), + sDriverName.latin1(), sParam.latin1(), NULL)) == NULL) + appendMessagesClient("lscp_get_midi_driver_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + m_params[sParam.upper()] = qsamplerDeviceParam(pParamInfo, + pParamInfo->defaultv); + } + } + + // Refresh parameter dependencies... + refreshParams(); + // Set port/channel list... + refreshPorts(); +} + + +// The client descriptor delegated property. +lscp_client_t *qsamplerDevice::client (void) const +{ + if (m_pMainForm == NULL) + return NULL; + + return m_pMainForm->client(); +} + + +// Device property accessors. +int qsamplerDevice::deviceID (void) const +{ + return m_iDeviceID; +} + +qsamplerDevice::qsamplerDeviceType qsamplerDevice::deviceType (void) const +{ + return m_deviceType; +} + +const QString& qsamplerDevice::deviceTypeName (void) const +{ + return m_sDeviceType; +} + +const QString& qsamplerDevice::driverName (void) const +{ + return m_sDriverName; +} + +// 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 ) +{ + // Set proper device parameter. + m_params[sParam.upper()].value = sValue; + + // If the device already exists, things get immediate... + int iRefresh = 0; + if (m_iDeviceID >= 0) { + // Prepare parameter struct. + lscp_param_t param; + param.key = (char *) sParam.latin1(); + param.value = (char *) sValue.latin1(); + // 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(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(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) +{ + if (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) { + pParams[iParam].key = (char *) iter.key().latin1(); + pParams[iParam].value = (char *) iter.data().value.latin1(); + ++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(client(), + m_sDriverName.latin1(), pParams)) < 0) + appendMessagesClient("lscp_create_audio_device"); + break; + case qsamplerDevice::Midi: + if ((m_iDeviceID = ::lscp_create_midi_device(client(), + m_sDriverName.latin1(), 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) +{ + // 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(client(), + m_iDeviceID)) != LSCP_OK) + appendMessagesClient("lscp_destroy_audio_device"); + break; + case qsamplerDevice::Midi: + if ((ret = ::lscp_destroy_midi_device(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... + 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.data().depends; + if (depends.find(sParam) != depends.end()) + 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 ) +{ + // Check if we have dependencies... + qsamplerDeviceParam& param = m_params[sParam.upper()]; + 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.latin1(); + pDepends[iDepend].value = (char *) m_params[sDepend.upper()].value.latin1(); + ++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(client(), + m_sDriverName.latin1(), sParam.latin1(), pDepends)) == NULL) + appendMessagesClient("lscp_get_audio_driver_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_driver_param_info(client(), + m_sDriverName.latin1(), sParam.latin1(), pDepends)) == NULL) + appendMessagesClient("lscp_get_midi_driver_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + param = qsamplerDeviceParam(pParamInfo, QString(param.value)); + 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 +{ + if (m_pMainForm) + m_pMainForm->appendMessages(deviceName() + ' ' + s); +} + +void qsamplerDevice::appendMessagesColor( const QString& s, + const QString& c ) const +{ + if (m_pMainForm) + m_pMainForm->appendMessagesColor(deviceName() + ' ' + s, c); +} + +void qsamplerDevice::appendMessagesText( const QString& s ) const +{ + if (m_pMainForm) + m_pMainForm->appendMessagesText(deviceName() + ' ' + s); +} + +void qsamplerDevice::appendMessagesError( const QString& s ) const +{ + if (m_pMainForm) + m_pMainForm->appendMessagesError(deviceName() + "\n\n" + s); +} + +void qsamplerDevice::appendMessagesClient( const QString& s ) const +{ + if (m_pMainForm) + m_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[iDriver]; iDriver++) + drivers.append(ppszDrivers[iDriver]); + + return drivers; +} + + +//------------------------------------------------------------------------- +// qsamplerDevicePort - MIDI/Audio Device port/channel structure. // // Constructor. -qsamplerDeviceParameterTable::qsamplerDeviceParameterTable ( QWidget *pParent, const char *pszName ) +qsamplerDevicePort::qsamplerDevicePort ( qsamplerDevice& device, + int iPortID ) : m_device(device) +{ + setDevicePort(iPortID); +} + +// Default destructor. +qsamplerDevicePort::~qsamplerDevicePort (void) +{ +} + + +// Initializer. +void qsamplerDevicePort::setDevicePort ( int iPortID ) +{ + // 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(m_device.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(m_device.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( + m_device.client(), m_device.deviceID(), + m_iPortID, sParam.latin1())) == NULL) + m_device.appendMessagesClient("lscp_get_audio_channel_param_info"); + break; + case qsamplerDevice::Midi: + if ((pParamInfo = ::lscp_get_midi_port_param_info( + m_device.client(), m_device.deviceID(), + m_iPortID, sParam.latin1())) == NULL) + m_device.appendMessagesClient("lscp_get_midi_port_param_info"); + break; + case qsamplerDevice::None: + break; + } + if (pParamInfo) { + m_params[sParam.upper()] = 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 ) +{ + // Set proper port/channel parameter. + m_params[sParam.upper()].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.latin1(); + param.value = (char *) sValue.latin1(); + // 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(m_device.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(m_device.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 - QListView device item. +// + +// Constructors. +qsamplerDeviceItem::qsamplerDeviceItem ( QListView *pListView, + qsamplerMainForm *pMainForm, qsamplerDevice::qsamplerDeviceType deviceType ) + : QListViewItem(pListView), m_device(pMainForm, deviceType) +{ + switch(m_device.deviceType()) { + case qsamplerDevice::Audio: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio1.png")); + QListViewItem::setText(0, QObject::tr("Audio Devices")); + break; + case qsamplerDevice::Midi: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi1.png")); + QListViewItem::setText(0, QObject::tr("MIDI Devices")); + break; + case qsamplerDevice::None: + break; + } +} + +qsamplerDeviceItem::qsamplerDeviceItem ( QListViewItem *pItem, + qsamplerMainForm *pMainForm, qsamplerDevice::qsamplerDeviceType deviceType, + int iDeviceID ) + : QListViewItem(pItem), m_device(pMainForm, deviceType, iDeviceID) +{ + switch(m_device.deviceType()) { + case qsamplerDevice::Audio: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio2.png")); + break; + case qsamplerDevice::Midi: + QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi2.png")); + break; + case qsamplerDevice::None: + break; + } + + QListViewItem::setText(0, m_device.deviceName()); +} + +// Default destructor. +qsamplerDeviceItem::~qsamplerDeviceItem (void) +{ +} + +// Instance accessors. +qsamplerDevice& qsamplerDeviceItem::device (void) +{ + return m_device; +} + +// To virtually distinguish between list view items. +int qsamplerDeviceItem::rtti() const +{ + return QSAMPLER_DEVICE_ITEM; +} + + + +//------------------------------------------------------------------------- +// qsamplerDeviceParamTable - Device parameter view table. +// + +// Constructor. +qsamplerDeviceParamTable::qsamplerDeviceParamTable ( QWidget *pParent, + const char *pszName ) : QTable(pParent, pszName) { - m_pClient = NULL; + // 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. -qsamplerDeviceParameterTable::~qsamplerDeviceParameterTable (void) +qsamplerDeviceParamTable::~qsamplerDeviceParamTable (void) +{ +} + + +// 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; + } + + // Adjust optimal column widths. + QTable::adjustColumn(0); + QTable::adjustColumn(2); + + QTable::setUpdatesEnabled(true); + QTable::updateContents(); +} + + +//------------------------------------------------------------------------- +// qsamplerDeviceParamTableSpinBox - Custom spin box for parameter table. +// + +// Constructor. +qsamplerDeviceParamTableSpinBox::qsamplerDeviceParamTableSpinBox ( + QTable *pTable, EditType editType, const QString& sText ) + : QTableItem(pTable, editType, sText) +{ + m_iValue = sText.toInt(); + m_iMinValue = m_iMaxValue = 0; +} + +// Public accessors. +void qsamplerDeviceParamTableSpinBox::setValue ( int iValue ) +{ + m_iValue = iValue; + QTableItem::setText(QString::number(m_iValue)); +} + +void qsamplerDeviceParamTableSpinBox::setMinValue ( int iMinValue ) +{ + m_iMinValue = iMinValue; +} + +void qsamplerDeviceParamTableSpinBox::setMaxValue ( int iMaxValue ) +{ + m_iMaxValue = iMaxValue; +} + +// Virtual implemetations. +QWidget *qsamplerDeviceParamTableSpinBox::createEditor (void) const +{ + 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; +} + +void qsamplerDeviceParamTableSpinBox::setContentFromEditor ( QWidget *pWidget ) { + if (pWidget->inherits("QSpinBox")) + QTableItem::setText(QString::number(((QSpinBox *) pWidget)->value())); + else + QTableItem::setContentFromEditor(pWidget); } -// The client descriptor property accessors. -void qsamplerDeviceParameterTable::setClient ( lscp_client_t *pClient ) +//------------------------------------------------------------------------- +// qsamplerDeviceParamTableEditBox - Custom edit box for parameter table. +// + +// Constructor. +qsamplerDeviceParamTableEditBox::qsamplerDeviceParamTableEditBox ( + QTable *pTable, EditType editType, const QString& sText ) + : QTableItem(pTable, editType, sText) { - m_pClient = pClient; } -lscp_client_t *qsamplerDeviceParameterTable::client (void) +// Virtual implemetations. +QWidget *qsamplerDeviceParamTableEditBox::createEditor (void) const { - return m_pClient; + QLineEdit *pEditBox = new QLineEdit(QTableItem::table()->viewport()); + QObject::connect(pEditBox, SIGNAL(returnPressed()), + QTableItem::table(), SLOT(doValueChanged())); + pEditBox->setText(QTableItem::text()); + return pEditBox; +} + +void qsamplerDeviceParamTableEditBox::setContentFromEditor ( QWidget *pWidget ) +{ + if (pWidget->inherits("QLineEdit")) + QTableItem::setText(((QLineEdit *) pWidget)->text()); + else + QTableItem::setContentFromEditor(pWidget); } // end of qsamplerDevice.cpp +