trunk/src/qsamplerDeviceForm.ui.h

// qsamplerDeviceForm.ui.h
//
// ui.h extension file, included from the uic-generated form implementation.
/****************************************************************************
   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
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   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.

*****************************************************************************/

#include <qmessagebox.h>
#include <qfiledialog.h>
#include <qfileinfo.h>
#include <qlistbox.h>
#include <qptrlist.h>
#include <qpopupmenu.h>

#include "qsamplerMainForm.h"

#include "config.h"


// Kind of constructor.
void qsamplerDeviceForm::init (void)
{
        // Initialize locals.
        m_pMainForm   = (qsamplerMainForm *) QWidget::parentWidget();
        m_pClient     = NULL;
        m_iDirtySetup = 0;
        m_bNewDevice  = false;
        m_deviceType  = qsamplerDevice::None;
        m_pAudioItems = NULL;
        m_pMidiItems  = NULL;

        // This an outsider (from designer), but rather important.
        QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
                this, SLOT(changeDeviceParam(int,int)));
        QObject::connect(DevicePortParamTable, SIGNAL(valueChanged(int,int)),
                this, SLOT(changeDevicePortParam(int,int)));

        // Initial contents.
        refreshDevices();
        // Try to restore normal window positioning.
        adjustSize();
}


// Kind of destructor.
void qsamplerDeviceForm::destroy (void)
{
}


// Notify our parent that we're emerging.
void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
{
        if (m_pMainForm)
                m_pMainForm->stabilizeForm();

        stabilizeForm();

        QWidget::showEvent(pShowEvent);
}


// Notify our parent that we're closing.
void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
{
        QWidget::hideEvent(pHideEvent);

        if (m_pMainForm)
                m_pMainForm->stabilizeForm();
}


// Device configuration dialog setup formal initializer.
void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
{
        // If it has not changed, do nothing.
        if (m_pClient && m_pClient == pClient)
                return;

        // Set new reference.
        m_pClient = pClient;
        
        // OK. Do a whole refresh around.
        refreshDevices();
}


// Create a new device from current table view.
void qsamplerDeviceForm::createDevice (void)
{
        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
                return;

        const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();

        // Build the parameter list...
        const qsamplerDeviceParamMap& params = device.params();
        lscp_param_t *pParams = new lscp_param_t [params.count() + 1];
        int iParam = 0;
        qsamplerDeviceParamMap::ConstIterator iter;
        for (iter = params.begin(); iter != 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...
        qsamplerDeviceItem *pRootItem = NULL;
        int iDeviceID = -1;
        switch (device.deviceType()) {
        case qsamplerDevice::Audio:
                pRootItem = m_pAudioItems;
                if ((iDeviceID = ::lscp_create_audio_device(m_pClient,
                                device.driverName().latin1(), pParams)) < 0)
                        m_pMainForm->appendMessagesClient("lscp_create_audio_device");
                break;
        case qsamplerDevice::Midi:
                pRootItem = m_pMidiItems;
                if ((iDeviceID = ::lscp_create_midi_device(m_pClient,
                                device.driverName().latin1(), pParams)) < 0)
                        m_pMainForm->appendMessagesClient("lscp_create_midi_device");
                break;
        case qsamplerDevice::None:
                break;
        }

        // Free used parameter array.
        delete pParams;

        // We're on to create the new device item.
        if (iDeviceID >= 0) {
                // Append the new device item.
                qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
                        m_pClient, device.deviceType(), iDeviceID);
                // Just make it the new selection...
                DeviceListView->setSelected(pDeviceItem, true);
                // Done.
                m_pMainForm->appendMessages(pDeviceItem->device().deviceTypeName()
                        + ' ' + pDeviceItem->device().deviceName()
                        + ' ' + tr("created."));
                // Main session should be marked dirty.
                m_pMainForm->sessionDirty();
        }
}


// Delete current device in table view.
void qsamplerDeviceForm::deleteDevice (void)
{
        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
                return;

        const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();

        // Prompt user if this is for real...
        qsamplerOptions *pOptions = m_pMainForm->options();
        if (pOptions && pOptions->bConfirmRemove) {
                if (QMessageBox::warning(this, tr("Warning"),
                        tr("Delete %1 device:\n\n"
                        "%2\n\n"
                        "Are you sure?")
                        .arg(device.deviceTypeName())
                        .arg(device.deviceName()),
                        tr("OK"), tr("Cancel")) > 0)
                        return;
        }

        // Now it depends on the device type...
        lscp_status_t ret = LSCP_FAILED;
        switch (device.deviceType()) {
        case qsamplerDevice::Audio:
                if ((ret = ::lscp_destroy_audio_device(m_pClient,
                                device.deviceID())) != LSCP_OK)
                        m_pMainForm->appendMessagesClient("lscp_destroy_audio_device");
                break;
        case qsamplerDevice::Midi:
                if ((ret = ::lscp_destroy_midi_device(m_pClient,
                                device.deviceID())) != LSCP_OK)
                        m_pMainForm->appendMessagesClient("lscp_destroy_midi_device");
                break;
        case qsamplerDevice::None:
                break;
        }

        // Show result.
        if (ret == LSCP_OK) {
                // Show log message before loosing it.
                m_pMainForm->appendMessages(device.deviceTypeName()
                        + ' ' + device.deviceName()
                        + ' ' + tr("deleted."));
                // Done.
                delete pItem;
                // Main session should be marked dirty.
                m_pMainForm->sessionDirty();
        }
}


// Refresh all device list and views.
void qsamplerDeviceForm::refreshDevices (void)
{
        // Avoid nested changes.
        m_iDirtySetup++;

        //
        // (Re)Load complete device configuration data ...
        //
        m_pAudioItems = NULL;
        m_pMidiItems = NULL;
        DeviceListView->clear();
        if (m_pClient) {
                int *piDeviceIDs;
                // Grab and pop Audio devices...
                m_pAudioItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
                        qsamplerDevice::Audio);
                if (m_pAudioItems) {
                        m_pAudioItems->setText(0, tr("Audio"));
                        piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
                        for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
                                new qsamplerDeviceItem(m_pAudioItems, m_pClient,
                                        qsamplerDevice::Audio, piDeviceIDs[i]);
                        }
                        m_pAudioItems->setOpen(true);
                }
                // Grab and pop MIDI devices...
                m_pMidiItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
                        qsamplerDevice::Midi);
                if (m_pMidiItems) {
                        m_pMidiItems->setText(0, tr("MIDI"));
                        piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
                        for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
                                new qsamplerDeviceItem(m_pMidiItems, m_pClient,
                                        qsamplerDevice::Midi, piDeviceIDs[i]);
                        }
                        m_pMidiItems->setOpen(true);
                }
        }

        // Done.
        m_iDirtySetup--;

        // Show something.
        selectDevice();
}


// Driver selection slot.
void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
{
        if (m_iDirtySetup > 0)
                return;

        //
        //  Driver name has changed for a new device...
        //

        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
                return;

        qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();

        // Driver change is only valid for scratch devices...
        if (m_bNewDevice) {
                m_iDirtySetup++;
                device.setDriver(m_pClient, sDriverName);
                DeviceParamTable->refresh(device.params(), m_bNewDevice);
                m_iDirtySetup--;
                // Done.
                stabilizeForm();
        }
}


// Device selection slot.
void qsamplerDeviceForm::selectDevice (void)
{
        if (m_iDirtySetup > 0)
                return;

        //
        //  Device selection has changed...
        //

        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
                m_deviceType = qsamplerDevice::None;
                DeviceNameTextLabel->setText(QString::null);
                DeviceParamTable->setNumRows(0);
                DevicePortParamTable->setNumRows(0);
                DevicePortComboBox->setEnabled(false);
                DevicePortParamTable->setEnabled(false);
                stabilizeForm();
                return;
        }

        qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();

        m_iDirtySetup++;
        // Flag whether this is a new device.
        m_bNewDevice = (device.deviceID() < 0);

        // Fill the device/driver heading...
        QString sPrefix;
        if (!m_bNewDevice)
                sPrefix += device.deviceTypeName() + ' ';
        DeviceNameTextLabel->setText(sPrefix + device.deviceName());
        // The driver combobox is only rebuilt if device type has changed...
        if (device.deviceType() != m_deviceType) {
                DriverNameComboBox->clear();
                DriverNameComboBox->insertStringList(
                        qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
                m_deviceType = device.deviceType();
        }
        // Do we need a driver name?
        if (m_bNewDevice || device.driverName().isEmpty())
                device.setDriver(m_pClient, DriverNameComboBox->currentText());
        const QString& sDriverName = device.driverName();
        if (DriverNameComboBox->listBox()->findItem(sDriverName, Qt::ExactMatch) == NULL)
                DriverNameComboBox->insertItem(sDriverName);
        DriverNameComboBox->setCurrentText(sDriverName);
        DriverNameTextLabel->setEnabled(m_bNewDevice);
        DriverNameComboBox->setEnabled(m_bNewDevice);
        // Fill the device parameter table...
        DeviceParamTable->refresh(device.params(), m_bNewDevice);
        // And now the device port/channel parameter table...
        DevicePortComboBox->clear();
        DevicePortParamTable->setNumRows(0);
        if (m_bNewDevice) {
                DevicePortComboBox->setEnabled(false);
                DevicePortParamTable->setEnabled(false);
        } else {
                QPixmap pixmap;
                switch (device.deviceType()) {
                case qsamplerDevice::Audio:
                    pixmap = QPixmap::fromMimeSource("audio2.png");
                    break;
                case qsamplerDevice::Midi:
                    pixmap = QPixmap::fromMimeSource("midi2.png");
                    break;
                case qsamplerDevice::None:
                    break;
                }
                qsamplerDevicePortList& ports = device.ports();
                qsamplerDevicePort *pPort;
                for (pPort = ports.first(); pPort; pPort = ports.next()) {
            DevicePortComboBox->insertItem(pixmap,
                                device.deviceTypeName() + ' ' + pPort->portName());
                }
                bool bEnabled = (ports.count() > 0);
                DevicePortComboBox->setEnabled(bEnabled);
                DevicePortParamTable->setEnabled(bEnabled);
        }
        // Done.
        m_iDirtySetup--;
        
        // Make the device port/channel selection effective.
        selectDevicePort(DevicePortComboBox->currentItem());
}


// Device port/channel selection slot.
void qsamplerDeviceForm::selectDevicePort ( int iPort )
{
        if (m_iDirtySetup > 0)
                return;

        //
        //  Device port/channel selection has changed...
        //

        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
                return;

        qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
        qsamplerDevicePort *pPort = device.ports().at(iPort);
        if (pPort) {
                m_iDirtySetup++;
                DevicePortParamTable->refresh(pPort->params(), false);
                m_iDirtySetup--;
        }
        // Done.
        stabilizeForm();
}


// Device parameter value change slot.
void qsamplerDeviceForm::changeDeviceParam ( int iRow, int iCol )
{
        if (m_iDirtySetup > 0)
                return;
        if (iRow < 0 || iCol < 0)
                return;
                
        //
        //  Device parameter change...
        //

        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
                return;

        qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();

        m_iDirtySetup++;
        // Table 1st column has the parameter name;
        const QString sParam = DeviceParamTable->text(iRow, 0);
        const QString sValue = DeviceParamTable->text(iRow, iCol);
        int iRefresh = 0;
        
        // Set the local device parameter value.
        device.setParam(sParam, sValue);

        // Set proper device parameter, on existing device ...
        if (device.deviceID() >= 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 (device.deviceType()) {
                case qsamplerDevice::Audio:
                    if (sParam == "CHANNELS") iRefresh++;
                        if ((ret = ::lscp_set_audio_device_param(m_pClient,
                                        device.deviceID(), &param)) != LSCP_OK)
                                m_pMainForm->appendMessagesClient("lscp_set_audio_device_param");
                        break;
                case qsamplerDevice::Midi:
                    if (sParam == "PORTS") iRefresh++;
                        if ((ret = ::lscp_set_midi_device_param(m_pClient,
                                        device.deviceID(), &param)) != LSCP_OK)
                                m_pMainForm->appendMessagesClient("lscp_set_midi_device_param");
                        break;
                case qsamplerDevice::None:
                        break;
                }
                // Show result.
                if (ret == LSCP_OK) {
                        m_pMainForm->appendMessages(device.deviceTypeName()
                                + ' ' + device.deviceName()
                                + ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
                        // Special care for specific parameter changes...
                        if (iRefresh > 0)
                                iRefresh += device.refreshPorts(m_pClient);
                        iRefresh += device.refreshDepends(m_pClient, sParam);
                }
        }

        // Done.
        m_iDirtySetup--;
        // Finally, we might need refreshing...
        if (iRefresh > 0)
                selectDevice();
        else
                stabilizeForm();
        // Main session should be dirtier...
        m_pMainForm->sessionDirty();
}


// Device port/channel parameter value change slot.
void qsamplerDeviceForm::changeDevicePortParam ( int iRow, int iCol )
{
        if (m_iDirtySetup > 0)
                return;
        if (iRow < 0 || iCol < 0)
                return;

        //
        //  Device port/channel parameter change...
        //

        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
                return;

        qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();

        int iPort = DevicePortComboBox->currentItem();
        qsamplerDevicePort *pPort = device.ports().at(iPort);
        if (pPort == NULL)
            return;

        m_iDirtySetup++;
        // Table 1st column has the parameter name;
        const QString sParam = DevicePortParamTable->text(iRow, 0);
        const QString sValue = DevicePortParamTable->text(iRow, iCol);

        // Set the local device port/channel parameter value.
        pPort->setParam(sParam, sValue);

        // Set proper device port/channel parameter, if any...
        if (device.deviceID() >= 0 && pPort->portID() >= 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 (device.deviceType()) {
                case qsamplerDevice::Audio:
                        if ((ret = ::lscp_set_audio_channel_param(m_pClient,
                                        device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
                                m_pMainForm->appendMessagesClient("lscp_set_audio_channel_param");
                        break;
                case qsamplerDevice::Midi:
                        if ((ret = ::lscp_set_midi_port_param(m_pClient,
                                        device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
                                m_pMainForm->appendMessagesClient("lscp_set_midi_port_param");
                        break;
                case qsamplerDevice::None:
                        break;
                }
                // Show result.
                if (ret == LSCP_OK) {
                        m_pMainForm->appendMessages(device.deviceTypeName()
                                + ' ' + device.deviceName() + ' ' + pPort->portName()
                                + ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
                }
        }

        // Done.
        m_iDirtySetup--;
        stabilizeForm();
        // Main session should be dirtier...
        m_pMainForm->sessionDirty();
}


// Device list view context menu handler.
void qsamplerDeviceForm::contextMenu ( QListViewItem *pItem, const QPoint& pos, int )
{
        int iItemID;
        
        // Build the device context menu...
        QPopupMenu* pContextMenu = new QPopupMenu(this);
        
        bool bClient = (m_pClient != NULL);
        bool bEnabled = (pItem != NULL);
        iItemID = pContextMenu->insertItem(
                QIconSet(QPixmap::fromMimeSource("deviceCreate.png")),
                tr("&Create device"), this, SLOT(createDevice()));
        pContextMenu->setItemEnabled(iItemID, bEnabled || (bClient && m_bNewDevice));
        iItemID = pContextMenu->insertItem(
                QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
                tr("&Delete device"), this, SLOT(deleteDevice()));
        pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
        pContextMenu->insertSeparator();
        iItemID = pContextMenu->insertItem(
                QIconSet(QPixmap::fromMimeSource("formRefresh.png")),
                tr("&Refresh"), this, SLOT(refreshDevices()));
        pContextMenu->setItemEnabled(iItemID, bClient);
        
        pContextMenu->exec(pos);
        
        delete pContextMenu;
}


// Stabilize current form state.
void qsamplerDeviceForm::stabilizeForm (void)
{
        QListViewItem *pItem = DeviceListView->selectedItem();
        bool bClient = (m_pClient != NULL);
        bool bEnabled = (pItem != NULL);
        DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
        DriverNameTextLabel->setEnabled(bEnabled &&  m_bNewDevice);
        DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
        DeviceParamTable->setEnabled(bEnabled);
        RefreshDevicesPushButton->setEnabled(bClient);
        CreateDevicePushButton->setEnabled(bEnabled || (bClient && m_bNewDevice));
        DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
}


// end of qsamplerDeviceForm.ui.h


1	// qsamplerDeviceForm.ui.h
2	//
3	// ui.h extension file, included from the uic-generated form implementation.
4	/****************************************************************************
5	Copyright (C) 2005, rncbc aka Rui Nuno Capela. All rights reserved.
6
7	This program is free software; you can redistribute it and/or
8	modify it under the terms of the GNU General Public License
9	as published by the Free Software Foundation; either version 2
10	of the License, or (at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software
19	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20
21	*****************************************************************************/
22
23	#include <qmessagebox.h>
24	#include <qfiledialog.h>
25	#include <qfileinfo.h>
26	#include <qlistbox.h>
27	#include <qptrlist.h>
28	#include <qpopupmenu.h>
29
30	#include "qsamplerMainForm.h"
31
32	#include "config.h"
33
34
35	// Kind of constructor.
36	void qsamplerDeviceForm::init (void)
37	{
38	// Initialize locals.
39	m_pMainForm = (qsamplerMainForm *) QWidget::parentWidget();
40	m_pClient = NULL;
41	m_iDirtySetup = 0;
42	m_bNewDevice = false;
43	m_deviceType = qsamplerDevice::None;
44	m_pAudioItems = NULL;
45	m_pMidiItems = NULL;
46
47	// This an outsider (from designer), but rather important.
48	QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
49	this, SLOT(changeDeviceParam(int,int)));
50	QObject::connect(DevicePortParamTable, SIGNAL(valueChanged(int,int)),
51	this, SLOT(changeDevicePortParam(int,int)));
52
53	// Initial contents.
54	refreshDevices();
55	// Try to restore normal window positioning.
56	adjustSize();
57	}
58
59
60	// Kind of destructor.
61	void qsamplerDeviceForm::destroy (void)
62	{
63	}
64
65
66	// Notify our parent that we're emerging.
67	void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
68	{
69	if (m_pMainForm)
70	m_pMainForm->stabilizeForm();
71
72	stabilizeForm();
73
74	QWidget::showEvent(pShowEvent);
75	}
76
77
78	// Notify our parent that we're closing.
79	void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
80	{
81	QWidget::hideEvent(pHideEvent);
82
83	if (m_pMainForm)
84	m_pMainForm->stabilizeForm();
85	}
86
87
88	// Device configuration dialog setup formal initializer.
89	void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
90	{
91	// If it has not changed, do nothing.
92	if (m_pClient && m_pClient == pClient)
93	return;
94
95	// Set new reference.
96	m_pClient = pClient;
97
98	// OK. Do a whole refresh around.
99	refreshDevices();
100	}
101
102
103	// Create a new device from current table view.
104	void qsamplerDeviceForm::createDevice (void)
105	{
106	QListViewItem *pItem = DeviceListView->selectedItem();
107	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
108	return;
109
110	const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
111
112	// Build the parameter list...
113	const qsamplerDeviceParamMap& params = device.params();
114	lscp_param_t *pParams = new lscp_param_t [params.count() + 1];
115	int iParam = 0;
116	qsamplerDeviceParamMap::ConstIterator iter;
117	for (iter = params.begin(); iter != params.end(); ++iter) {
118	pParams[iParam].key = (char *) iter.key().latin1();
119	pParams[iParam].value = (char *) iter.data().value.latin1();
120	++iParam;
121	}
122	// Null terminated.
123	pParams[iParam].key = NULL;
124	pParams[iParam].value = NULL;
125
126	// Now it depends on the device type...
127	qsamplerDeviceItem *pRootItem = NULL;
128	int iDeviceID = -1;
129	switch (device.deviceType()) {
130	case qsamplerDevice::Audio:
131	pRootItem = m_pAudioItems;
132	if ((iDeviceID = ::lscp_create_audio_device(m_pClient,
133	device.driverName().latin1(), pParams)) < 0)
134	m_pMainForm->appendMessagesClient("lscp_create_audio_device");
135	break;
136	case qsamplerDevice::Midi:
137	pRootItem = m_pMidiItems;
138	if ((iDeviceID = ::lscp_create_midi_device(m_pClient,
139	device.driverName().latin1(), pParams)) < 0)
140	m_pMainForm->appendMessagesClient("lscp_create_midi_device");
141	break;
142	case qsamplerDevice::None:
143	break;
144	}
145
146	// Free used parameter array.
147	delete pParams;
148
149	// We're on to create the new device item.
150	if (iDeviceID >= 0) {
151	// Append the new device item.
152	qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
153	m_pClient, device.deviceType(), iDeviceID);
154	// Just make it the new selection...
155	DeviceListView->setSelected(pDeviceItem, true);
156	// Done.
157	m_pMainForm->appendMessages(pDeviceItem->device().deviceTypeName()
158	+ ' ' + pDeviceItem->device().deviceName()
159	+ ' ' + tr("created."));
160	// Main session should be marked dirty.
161	m_pMainForm->sessionDirty();
162	}
163	}
164
165
166	// Delete current device in table view.
167	void qsamplerDeviceForm::deleteDevice (void)
168	{
169	QListViewItem *pItem = DeviceListView->selectedItem();
170	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
171	return;
172
173	const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
174
175	// Prompt user if this is for real...
176	qsamplerOptions *pOptions = m_pMainForm->options();
177	if (pOptions && pOptions->bConfirmRemove) {
178	if (QMessageBox::warning(this, tr("Warning"),
179	tr("Delete %1 device:\n\n"
180	"%2\n\n"
181	"Are you sure?")
182	.arg(device.deviceTypeName())
183	.arg(device.deviceName()),
184	tr("OK"), tr("Cancel")) > 0)
185	return;
186	}
187
188	// Now it depends on the device type...
189	lscp_status_t ret = LSCP_FAILED;
190	switch (device.deviceType()) {
191	case qsamplerDevice::Audio:
192	if ((ret = ::lscp_destroy_audio_device(m_pClient,
193	device.deviceID())) != LSCP_OK)
194	m_pMainForm->appendMessagesClient("lscp_destroy_audio_device");
195	break;
196	case qsamplerDevice::Midi:
197	if ((ret = ::lscp_destroy_midi_device(m_pClient,
198	device.deviceID())) != LSCP_OK)
199	m_pMainForm->appendMessagesClient("lscp_destroy_midi_device");
200	break;
201	case qsamplerDevice::None:
202	break;
203	}
204
205	// Show result.
206	if (ret == LSCP_OK) {
207	// Show log message before loosing it.
208	m_pMainForm->appendMessages(device.deviceTypeName()
209	+ ' ' + device.deviceName()
210	+ ' ' + tr("deleted."));
211	// Done.
212	delete pItem;
213	// Main session should be marked dirty.
214	m_pMainForm->sessionDirty();
215	}
216	}
217
218
219	// Refresh all device list and views.
220	void qsamplerDeviceForm::refreshDevices (void)
221	{
222	// Avoid nested changes.
223	m_iDirtySetup++;
224
225	//
226	// (Re)Load complete device configuration data ...
227	//
228	m_pAudioItems = NULL;
229	m_pMidiItems = NULL;
230	DeviceListView->clear();
231	if (m_pClient) {
232	int *piDeviceIDs;
233	// Grab and pop Audio devices...
234	m_pAudioItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
235	qsamplerDevice::Audio);
236	if (m_pAudioItems) {
237	m_pAudioItems->setText(0, tr("Audio"));
238	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
239	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
240	new qsamplerDeviceItem(m_pAudioItems, m_pClient,
241	qsamplerDevice::Audio, piDeviceIDs[i]);
242	}
243	m_pAudioItems->setOpen(true);
244	}
245	// Grab and pop MIDI devices...
246	m_pMidiItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
247	qsamplerDevice::Midi);
248	if (m_pMidiItems) {
249	m_pMidiItems->setText(0, tr("MIDI"));
250	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
251	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
252	new qsamplerDeviceItem(m_pMidiItems, m_pClient,
253	qsamplerDevice::Midi, piDeviceIDs[i]);
254	}
255	m_pMidiItems->setOpen(true);
256	}
257	}
258
259	// Done.
260	m_iDirtySetup--;
261
262	// Show something.
263	selectDevice();
264	}
265
266
267	// Driver selection slot.
268	void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
269	{
270	if (m_iDirtySetup > 0)
271	return;
272
273	//
274	// Driver name has changed for a new device...
275	//
276
277	QListViewItem *pItem = DeviceListView->selectedItem();
278	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
279	return;
280
281	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
282
283	// Driver change is only valid for scratch devices...
284	if (m_bNewDevice) {
285	m_iDirtySetup++;
286	device.setDriver(m_pClient, sDriverName);
287	DeviceParamTable->refresh(device.params(), m_bNewDevice);
288	m_iDirtySetup--;
289	// Done.
290	stabilizeForm();
291	}
292	}
293
294
295	// Device selection slot.
296	void qsamplerDeviceForm::selectDevice (void)
297	{
298	if (m_iDirtySetup > 0)
299	return;
300
301	//
302	// Device selection has changed...
303	//
304
305	QListViewItem *pItem = DeviceListView->selectedItem();
306	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
307	m_deviceType = qsamplerDevice::None;
308	DeviceNameTextLabel->setText(QString::null);
309	DeviceParamTable->setNumRows(0);
310	DevicePortParamTable->setNumRows(0);
311	DevicePortComboBox->setEnabled(false);
312	DevicePortParamTable->setEnabled(false);
313	stabilizeForm();
314	return;
315	}
316
317	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
318
319	m_iDirtySetup++;
320	// Flag whether this is a new device.
321	m_bNewDevice = (device.deviceID() < 0);
322
323	// Fill the device/driver heading...
324	QString sPrefix;
325	if (!m_bNewDevice)
326	sPrefix += device.deviceTypeName() + ' ';
327	DeviceNameTextLabel->setText(sPrefix + device.deviceName());
328	// The driver combobox is only rebuilt if device type has changed...
329	if (device.deviceType() != m_deviceType) {
330	DriverNameComboBox->clear();
331	DriverNameComboBox->insertStringList(
332	qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
333	m_deviceType = device.deviceType();
334	}
335	// Do we need a driver name?
336	if (m_bNewDevice \|\| device.driverName().isEmpty())
337	device.setDriver(m_pClient, DriverNameComboBox->currentText());
338	const QString& sDriverName = device.driverName();
339	if (DriverNameComboBox->listBox()->findItem(sDriverName, Qt::ExactMatch) == NULL)
340	DriverNameComboBox->insertItem(sDriverName);
341	DriverNameComboBox->setCurrentText(sDriverName);
342	DriverNameTextLabel->setEnabled(m_bNewDevice);
343	DriverNameComboBox->setEnabled(m_bNewDevice);
344	// Fill the device parameter table...
345	DeviceParamTable->refresh(device.params(), m_bNewDevice);
346	// And now the device port/channel parameter table...
347	DevicePortComboBox->clear();
348	DevicePortParamTable->setNumRows(0);
349	if (m_bNewDevice) {
350	DevicePortComboBox->setEnabled(false);
351	DevicePortParamTable->setEnabled(false);
352	} else {
353	QPixmap pixmap;
354	switch (device.deviceType()) {
355	case qsamplerDevice::Audio:
356	pixmap = QPixmap::fromMimeSource("audio2.png");
357	break;
358	case qsamplerDevice::Midi:
359	pixmap = QPixmap::fromMimeSource("midi2.png");
360	break;
361	case qsamplerDevice::None:
362	break;
363	}
364	qsamplerDevicePortList& ports = device.ports();
365	qsamplerDevicePort *pPort;
366	for (pPort = ports.first(); pPort; pPort = ports.next()) {
367	DevicePortComboBox->insertItem(pixmap,
368	device.deviceTypeName() + ' ' + pPort->portName());
369	}
370	bool bEnabled = (ports.count() > 0);
371	DevicePortComboBox->setEnabled(bEnabled);
372	DevicePortParamTable->setEnabled(bEnabled);
373	}
374	// Done.
375	m_iDirtySetup--;
376
377	// Make the device port/channel selection effective.
378	selectDevicePort(DevicePortComboBox->currentItem());
379	}
380
381
382	// Device port/channel selection slot.
383	void qsamplerDeviceForm::selectDevicePort ( int iPort )
384	{
385	if (m_iDirtySetup > 0)
386	return;
387
388	//
389	// Device port/channel selection has changed...
390	//
391
392	QListViewItem *pItem = DeviceListView->selectedItem();
393	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
394	return;
395
396	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
397	qsamplerDevicePort *pPort = device.ports().at(iPort);
398	if (pPort) {
399	m_iDirtySetup++;
400	DevicePortParamTable->refresh(pPort->params(), false);
401	m_iDirtySetup--;
402	}
403	// Done.
404	stabilizeForm();
405	}
406
407
408	// Device parameter value change slot.
409	void qsamplerDeviceForm::changeDeviceParam ( int iRow, int iCol )
410	{
411	if (m_iDirtySetup > 0)
412	return;
413	if (iRow < 0 \|\| iCol < 0)
414	return;
415
416	//
417	// Device parameter change...
418	//
419
420	QListViewItem *pItem = DeviceListView->selectedItem();
421	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
422	return;
423
424	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
425
426	m_iDirtySetup++;
427	// Table 1st column has the parameter name;
428	const QString sParam = DeviceParamTable->text(iRow, 0);
429	const QString sValue = DeviceParamTable->text(iRow, iCol);
430	int iRefresh = 0;
431
432	// Set the local device parameter value.
433	device.setParam(sParam, sValue);
434
435	// Set proper device parameter, on existing device ...
436	if (device.deviceID() >= 0) {
437	// Prepare parameter struct.
438	lscp_param_t param;
439	param.key = (char *) sParam.latin1();
440	param.value = (char *) sValue.latin1();
441	// Now it depends on the device type...
442	lscp_status_t ret = LSCP_FAILED;
443	switch (device.deviceType()) {
444	case qsamplerDevice::Audio:
445	if (sParam == "CHANNELS") iRefresh++;
446	if ((ret = ::lscp_set_audio_device_param(m_pClient,
447	device.deviceID(), &param)) != LSCP_OK)
448	m_pMainForm->appendMessagesClient("lscp_set_audio_device_param");
449	break;
450	case qsamplerDevice::Midi:
451	if (sParam == "PORTS") iRefresh++;
452	if ((ret = ::lscp_set_midi_device_param(m_pClient,
453	device.deviceID(), &param)) != LSCP_OK)
454	m_pMainForm->appendMessagesClient("lscp_set_midi_device_param");
455	break;
456	case qsamplerDevice::None:
457	break;
458	}
459	// Show result.
460	if (ret == LSCP_OK) {
461	m_pMainForm->appendMessages(device.deviceTypeName()
462	+ ' ' + device.deviceName()
463	+ ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
464	// Special care for specific parameter changes...
465	if (iRefresh > 0)
466	iRefresh += device.refreshPorts(m_pClient);
467	iRefresh += device.refreshDepends(m_pClient, sParam);
468	}
469	}
470
471	// Done.
472	m_iDirtySetup--;
473	// Finally, we might need refreshing...
474	if (iRefresh > 0)
475	selectDevice();
476	else
477	stabilizeForm();
478	// Main session should be dirtier...
479	m_pMainForm->sessionDirty();
480	}
481
482
483	// Device port/channel parameter value change slot.
484	void qsamplerDeviceForm::changeDevicePortParam ( int iRow, int iCol )
485	{
486	if (m_iDirtySetup > 0)
487	return;
488	if (iRow < 0 \|\| iCol < 0)
489	return;
490
491	//
492	// Device port/channel parameter change...
493	//
494
495	QListViewItem *pItem = DeviceListView->selectedItem();
496	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
497	return;
498
499	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
500
501	int iPort = DevicePortComboBox->currentItem();
502	qsamplerDevicePort *pPort = device.ports().at(iPort);
503	if (pPort == NULL)
504	return;
505
506	m_iDirtySetup++;
507	// Table 1st column has the parameter name;
508	const QString sParam = DevicePortParamTable->text(iRow, 0);
509	const QString sValue = DevicePortParamTable->text(iRow, iCol);
510
511	// Set the local device port/channel parameter value.
512	pPort->setParam(sParam, sValue);
513
514	// Set proper device port/channel parameter, if any...
515	if (device.deviceID() >= 0 && pPort->portID() >= 0) {
516	// Prepare parameter struct.
517	lscp_param_t param;
518	param.key = (char *) sParam.latin1();
519	param.value = (char *) sValue.latin1();
520	// Now it depends on the device type...
521	lscp_status_t ret = LSCP_FAILED;
522	switch (device.deviceType()) {
523	case qsamplerDevice::Audio:
524	if ((ret = ::lscp_set_audio_channel_param(m_pClient,
525	device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
526	m_pMainForm->appendMessagesClient("lscp_set_audio_channel_param");
527	break;
528	case qsamplerDevice::Midi:
529	if ((ret = ::lscp_set_midi_port_param(m_pClient,
530	device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
531	m_pMainForm->appendMessagesClient("lscp_set_midi_port_param");
532	break;
533	case qsamplerDevice::None:
534	break;
535	}
536	// Show result.
537	if (ret == LSCP_OK) {
538	m_pMainForm->appendMessages(device.deviceTypeName()
539	+ ' ' + device.deviceName() + ' ' + pPort->portName()
540	+ ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
541	}
542	}
543
544	// Done.
545	m_iDirtySetup--;
546	stabilizeForm();
547	// Main session should be dirtier...
548	m_pMainForm->sessionDirty();
549	}
550
551
552	// Device list view context menu handler.
553	void qsamplerDeviceForm::contextMenu ( QListViewItem *pItem, const QPoint& pos, int )
554	{
555	int iItemID;
556
557	// Build the device context menu...
558	QPopupMenu* pContextMenu = new QPopupMenu(this);
559
560	bool bClient = (m_pClient != NULL);
561	bool bEnabled = (pItem != NULL);
562	iItemID = pContextMenu->insertItem(
563	QIconSet(QPixmap::fromMimeSource("deviceCreate.png")),
564	tr("&Create device"), this, SLOT(createDevice()));
565	pContextMenu->setItemEnabled(iItemID, bEnabled \|\| (bClient && m_bNewDevice));
566	iItemID = pContextMenu->insertItem(
567	QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
568	tr("&Delete device"), this, SLOT(deleteDevice()));
569	pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
570	pContextMenu->insertSeparator();
571	iItemID = pContextMenu->insertItem(
572	QIconSet(QPixmap::fromMimeSource("formRefresh.png")),
573	tr("&Refresh"), this, SLOT(refreshDevices()));
574	pContextMenu->setItemEnabled(iItemID, bClient);
575
576	pContextMenu->exec(pos);
577
578	delete pContextMenu;
579	}
580
581
582	// Stabilize current form state.
583	void qsamplerDeviceForm::stabilizeForm (void)
584	{
585	QListViewItem *pItem = DeviceListView->selectedItem();
586	bool bClient = (m_pClient != NULL);
587	bool bEnabled = (pItem != NULL);
588	DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
589	DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
590	DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
591	DeviceParamTable->setEnabled(bEnabled);
592	RefreshDevicesPushButton->setEnabled(bClient);
593	CreateDevicePushButton->setEnabled(bEnabled \|\| (bClient && m_bNewDevice));
594	DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
595	}
596
597
598	// end of qsamplerDeviceForm.ui.h
599
600
601