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 <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(changeValue(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);
                stabilizeForm();
                return;
        }

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

        // 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);
        // Done.
        m_iDirtySetup--;
        stabilizeForm();
}


// parameter value change slot.
void qsamplerDeviceForm::changeValue ( 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;

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

        // Table 1st column has the parameter name;
        const qsamplerDeviceParamMap& params = device.params();
        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...
                lscp_status_t ret = LSCP_FAILED;
                switch (device.deviceType()) {
                case qsamplerDevice::Audio:
                        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 ((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));
                }
        }

        // 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"), this, SLOT(createDevice()));
        pContextMenu->setItemEnabled(iItemID, bEnabled || (bClient && m_bNewDevice));
        iItemID = pContextMenu->insertItem(
                QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
                tr("&Delete"), 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 <qpopupmenu.h>
28
29	#include "qsamplerMainForm.h"
30
31	#include "config.h"
32
33
34	// Kind of constructor.
35	void qsamplerDeviceForm::init (void)
36	{
37	// Initialize locals.
38	m_pMainForm = (qsamplerMainForm *) QWidget::parentWidget();
39	m_pClient = NULL;
40	m_iDirtySetup = 0;
41	m_bNewDevice = false;
42	m_deviceType = qsamplerDevice::None;
43	m_pAudioItems = NULL;
44	m_pMidiItems = NULL;
45
46	// This an outsider (from designer), but rather important.
47	QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
48	this, SLOT(changeValue(int,int)));
49
50	// Try to restore normal window positioning.
51	adjustSize();
52	}
53
54
55	// Kind of destructor.
56	void qsamplerDeviceForm::destroy (void)
57	{
58	}
59
60
61	// Notify our parent that we're emerging.
62	void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
63	{
64	if (m_pMainForm)
65	m_pMainForm->stabilizeForm();
66
67	stabilizeForm();
68
69	QWidget::showEvent(pShowEvent);
70	}
71
72
73	// Notify our parent that we're closing.
74	void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
75	{
76	QWidget::hideEvent(pHideEvent);
77
78	if (m_pMainForm)
79	m_pMainForm->stabilizeForm();
80	}
81
82
83	// Device configuration dialog setup formal initializer.
84	void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
85	{
86	// If it has not changed, do nothing.
87	if (m_pClient && m_pClient == pClient)
88	return;
89
90	// Set new reference.
91	m_pClient = pClient;
92
93	// OK. Do a whole refresh around.
94	refreshDevices();
95	}
96
97
98	// Create a new device from current table view.
99	void qsamplerDeviceForm::createDevice (void)
100	{
101	QListViewItem *pItem = DeviceListView->selectedItem();
102	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
103	return;
104
105	const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
106
107	// Build the parameter list...
108	const qsamplerDeviceParamMap& params = device.params();
109	lscp_param_t *pParams = new lscp_param_t [params.count() + 1];
110	int iParam = 0;
111	qsamplerDeviceParamMap::ConstIterator iter;
112	for (iter = params.begin(); iter != params.end(); ++iter) {
113	pParams[iParam].key = (char *) iter.key().latin1();
114	pParams[iParam].value = (char *) iter.data().value.latin1();
115	++iParam;
116	}
117	// Null terminated.
118	pParams[iParam].key = NULL;
119	pParams[iParam].value = NULL;
120
121	// Now it depends on the device type...
122	qsamplerDeviceItem *pRootItem = NULL;
123	int iDeviceID = -1;
124	switch (device.deviceType()) {
125	case qsamplerDevice::Audio:
126	pRootItem = m_pAudioItems;
127	if ((iDeviceID = ::lscp_create_audio_device(m_pClient,
128	device.driverName().latin1(), pParams)) < 0)
129	m_pMainForm->appendMessagesClient("lscp_create_audio_device");
130	break;
131	case qsamplerDevice::Midi:
132	pRootItem = m_pMidiItems;
133	if ((iDeviceID = ::lscp_create_midi_device(m_pClient,
134	device.driverName().latin1(), pParams)) < 0)
135	m_pMainForm->appendMessagesClient("lscp_create_midi_device");
136	break;
137	case qsamplerDevice::None:
138	break;
139	}
140
141	// Free used parameter array.
142	delete pParams;
143
144	// We're on to create the new device item.
145	if (iDeviceID >= 0) {
146	// Append the new device item.
147	qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
148	m_pClient, device.deviceType(), iDeviceID);
149	// Just make it the new selection...
150	DeviceListView->setSelected(pDeviceItem, true);
151	// Done.
152	m_pMainForm->appendMessages(pDeviceItem->device().deviceName() + ' '
153	+ tr("created."));
154	// Main session should be marked dirty.
155	m_pMainForm->sessionDirty();
156	}
157	}
158
159
160	// Delete current device in table view.
161	void qsamplerDeviceForm::deleteDevice (void)
162	{
163	QListViewItem *pItem = DeviceListView->selectedItem();
164	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
165	return;
166
167	const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
168
169	// Prompt user if this is for real...
170	qsamplerOptions *pOptions = m_pMainForm->options();
171	if (pOptions && pOptions->bConfirmRemove) {
172	if (QMessageBox::warning(this, tr("Warning"),
173	tr("Delete %1 device:\n\n"
174	"%2\n\n"
175	"Are you sure?")
176	.arg(device.deviceTypeName())
177	.arg(device.deviceName()),
178	tr("OK"), tr("Cancel")) > 0)
179	return;
180	}
181
182	// Now it depends on the device type...
183	lscp_status_t ret = LSCP_FAILED;
184	switch (device.deviceType()) {
185	case qsamplerDevice::Audio:
186	if ((ret = ::lscp_destroy_audio_device(m_pClient,
187	device.deviceID())) != LSCP_OK)
188	m_pMainForm->appendMessagesClient("lscp_destroy_audio_device");
189	break;
190	case qsamplerDevice::Midi:
191	if ((ret = ::lscp_destroy_midi_device(m_pClient,
192	device.deviceID())) != LSCP_OK)
193	m_pMainForm->appendMessagesClient("lscp_destroy_midi_device");
194	break;
195	case qsamplerDevice::None:
196	break;
197	}
198
199	// Show result.
200	if (ret == LSCP_OK) {
201	// Show log message before loosing it.
202	m_pMainForm->appendMessages(device.deviceName() + ' '
203	+ tr("deleted."));
204	// Done.
205	delete pItem;
206	// Main session should be marked dirty.
207	m_pMainForm->sessionDirty();
208	}
209	}
210
211
212	// Refresh all device list and views.
213	void qsamplerDeviceForm::refreshDevices (void)
214	{
215	// Avoid nested changes.
216	m_iDirtySetup++;
217
218	//
219	// (Re)Load complete device configuration data ...
220	//
221	m_pAudioItems = NULL;
222	m_pMidiItems = NULL;
223	DeviceListView->clear();
224	if (m_pClient) {
225	int *piDeviceIDs;
226	// Grab and pop Audio devices...
227	m_pAudioItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
228	qsamplerDevice::Audio);
229	if (m_pAudioItems) {
230	m_pAudioItems->setText(0, tr("Audio"));
231	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
232	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
233	new qsamplerDeviceItem(m_pAudioItems, m_pClient,
234	qsamplerDevice::Audio, piDeviceIDs[i]);
235	}
236	m_pAudioItems->setOpen(true);
237	}
238	// Grab and pop MIDI devices...
239	m_pMidiItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
240	qsamplerDevice::Midi);
241	if (m_pMidiItems) {
242	m_pMidiItems->setText(0, tr("MIDI"));
243	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
244	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
245	new qsamplerDeviceItem(m_pMidiItems, m_pClient,
246	qsamplerDevice::Midi, piDeviceIDs[i]);
247	}
248	m_pMidiItems->setOpen(true);
249	}
250	}
251
252	// Done.
253	m_iDirtySetup--;
254
255	// Show something.
256	selectDevice();
257	}
258
259
260	// Driver selection slot.
261	void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
262	{
263	if (m_iDirtySetup > 0)
264	return;
265
266	//
267	// Driver name has changed for a new device...
268	//
269
270	QListViewItem *pItem = DeviceListView->selectedItem();
271	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
272	return;
273
274	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
275
276	// Driver change is only valid for scratch devices...
277	if (m_bNewDevice) {
278	m_iDirtySetup++;
279	device.setDriver(m_pClient, sDriverName);
280	DeviceParamTable->refresh(device.params(), m_bNewDevice);
281	m_iDirtySetup--;
282	// Done.
283	stabilizeForm();
284	}
285	}
286
287
288	// Device selection slot.
289	void qsamplerDeviceForm::selectDevice (void)
290	{
291	if (m_iDirtySetup > 0)
292	return;
293
294	//
295	// Device selection has changed...
296	//
297
298	QListViewItem *pItem = DeviceListView->selectedItem();
299	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
300	m_deviceType = qsamplerDevice::None;
301	DeviceNameTextLabel->setText(QString::null);
302	DeviceParamTable->setNumRows(0);
303	stabilizeForm();
304	return;
305	}
306
307	m_iDirtySetup++;
308	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
309
310	// Flag whether this is a new device.
311	m_bNewDevice = (device.deviceID() < 0);
312
313	// Fill the device/driver heading...
314	QString sPrefix;
315	if (!m_bNewDevice)
316	sPrefix += device.deviceTypeName() + ' ';
317	DeviceNameTextLabel->setText(sPrefix + device.deviceName());
318	// The driver combobox is only rebuilt if device type has changed...
319	if (device.deviceType() != m_deviceType) {
320	DriverNameComboBox->clear();
321	DriverNameComboBox->insertStringList(
322	qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
323	m_deviceType = device.deviceType();
324	}
325	// Do we need a driver name?
326	if (m_bNewDevice \|\| device.driverName().isEmpty())
327	device.setDriver(m_pClient, DriverNameComboBox->currentText());
328	const QString& sDriverName = device.driverName();
329	if (DriverNameComboBox->listBox()->findItem(sDriverName, Qt::ExactMatch) == NULL)
330	DriverNameComboBox->insertItem(sDriverName);
331	DriverNameComboBox->setCurrentText(sDriverName);
332	DriverNameTextLabel->setEnabled(m_bNewDevice);
333	DriverNameComboBox->setEnabled(m_bNewDevice);
334	// Fill the device parameter table...
335	DeviceParamTable->refresh(device.params(), m_bNewDevice);
336	// Done.
337	m_iDirtySetup--;
338	stabilizeForm();
339	}
340
341
342	// parameter value change slot.
343	void qsamplerDeviceForm::changeValue ( int iRow, int iCol )
344	{
345	if (m_iDirtySetup > 0)
346	return;
347	if (iRow < 0 \|\| iCol < 0)
348	return;
349
350	//
351	// Device parameter change...
352	//
353
354	QListViewItem *pItem = DeviceListView->selectedItem();
355	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
356	return;
357
358	m_iDirtySetup++;
359	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
360
361	// Table 1st column has the parameter name;
362	const qsamplerDeviceParamMap& params = device.params();
363	const QString sParam = DeviceParamTable->text(iRow, 0);
364	const QString sValue = DeviceParamTable->text(iRow, iCol);
365
366	// Set the local device parameter value.
367	device.setParam(sParam, sValue);
368
369	// Set proper device parameter, on existing device ...
370	if (device.deviceID() >= 0) {
371	// Prepare parameter struct.
372	lscp_param_t param;
373	param.key = (char *) sParam.latin1();
374	param.value = (char *) sValue.latin1();
375	// Now it depends on the device type...
376	lscp_status_t ret = LSCP_FAILED;
377	switch (device.deviceType()) {
378	case qsamplerDevice::Audio:
379	if ((ret = ::lscp_set_audio_device_param(m_pClient,
380	device.deviceID(), &param)) != LSCP_OK)
381	m_pMainForm->appendMessagesClient("lscp_set_audio_device_param");
382	break;
383	case qsamplerDevice::Midi:
384	if ((ret = ::lscp_set_midi_device_param(m_pClient,
385	device.deviceID(), &param)) != LSCP_OK)
386	m_pMainForm->appendMessagesClient("lscp_set_midi_device_param");
387	break;
388	case qsamplerDevice::None:
389	break;
390	}
391	// Show result.
392	if (ret == LSCP_OK) {
393	m_pMainForm->appendMessages(device.deviceName() + ' '
394	+ QString("%1: %2.").arg(sParam).arg(sValue));
395	}
396	}
397
398	// Done.
399	m_iDirtySetup--;
400	stabilizeForm();
401	// Main session should be dirtier...
402	m_pMainForm->sessionDirty();
403	}
404
405
406	// Device list view context menu handler.
407	void qsamplerDeviceForm::contextMenu ( QListViewItem *pItem, const QPoint& pos, int )
408	{
409	int iItemID;
410
411	// Build the device context menu...
412	QPopupMenu* pContextMenu = new QPopupMenu(this);
413
414	bool bClient = (m_pClient != NULL);
415	bool bEnabled = (pItem != NULL);
416	iItemID = pContextMenu->insertItem(
417	QIconSet(QPixmap::fromMimeSource("deviceCreate.png")),
418	tr("&Create"), this, SLOT(createDevice()));
419	pContextMenu->setItemEnabled(iItemID, bEnabled \|\| (bClient && m_bNewDevice));
420	iItemID = pContextMenu->insertItem(
421	QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
422	tr("&Delete"), this, SLOT(deleteDevice()));
423	pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
424	pContextMenu->insertSeparator();
425	iItemID = pContextMenu->insertItem(
426	QIconSet(QPixmap::fromMimeSource("formRefresh.png")),
427	tr("&Refresh"), this, SLOT(refreshDevices()));
428	pContextMenu->setItemEnabled(iItemID, bClient);
429
430	pContextMenu->exec(pos);
431
432	delete pContextMenu;
433	}
434
435
436	// Stabilize current form state.
437	void qsamplerDeviceForm::stabilizeForm (void)
438	{
439	QListViewItem *pItem = DeviceListView->selectedItem();
440	bool bClient = (m_pClient != NULL);
441	bool bEnabled = (pItem != NULL);
442	DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
443	DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
444	DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
445	DeviceParamTable->setEnabled(bEnabled);
446	RefreshDevicesPushButton->setEnabled(bClient);
447	CreateDevicePushButton->setEnabled(bEnabled \|\| (bClient && m_bNewDevice));
448	DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
449	}
450
451
452	// end of qsamplerDeviceForm.ui.h