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)));

        // 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().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.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);
                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(), true);
                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);
        
        // 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...
                bool bRefresh = false;
                lscp_status_t ret = LSCP_FAILED;
                switch (device.deviceType()) {
                case qsamplerDevice::Audio:
                    bRefresh = (sParam == "CHANNELS");
                        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:
                    bRefresh = (sParam == "PORTS");
                        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.deviceName() + ' '
                                + QString("%1: %2.").arg(sParam).arg(sValue));
                        // Special care for specific parameter changes...
                        if (bRefresh)
                            device.refresh(m_pClient);
                }
        }

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