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 "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_iDirtyCount = 0;
        m_bNewDevice  = false;
        m_deviceType  = qsamplerDevice::None;

        // 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)
{
        //
        // TODO: Create a new device from current table view...
        //
        m_pMainForm->appendMessages("qsamplerDeviceForm::createDevice()");

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

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

        // Build the parameter list...
        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...
        int iDeviceID = -1;
        switch (device.deviceType()) {
        case qsamplerDevice::Audio:
                if ((iDeviceID = ::lscp_create_audio_device(m_pClient,
                                device.driverName().latin1(), pParams)) < 0)
                        m_pMainForm->appendMessagesClient("lscp_create_audio_device");
                break;
        case qsamplerDevice::Midi:
                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;

        // Show result.
        if (iDeviceID >= 0) {
                m_pMainForm->appendMessages(device.deviceName() + ' ' + tr("created."));
                // Done.
                refreshDevices();
                // Main session should be marked dirty.
                m_pMainForm->sessionDirty();
        }
}


// Delete current device in table view.
void qsamplerDeviceForm::deleteDevice (void)
{
        //
        // TODO: Delete current device in table view...
        //
        m_pMainForm->appendMessages("qsamplerDeviceForm::deleteDevice()");

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

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

        // 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) {
                m_pMainForm->appendMessages(device.deviceName() + ' ' + tr("deleted."));
                // Done.
                refreshDevices();
                // Main session should be marked dirty.
                m_pMainForm->sessionDirty();
        }
}


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

        //
        // TODO: Load device configuration data ...
        //
        m_pMainForm->appendMessages("qsamplerDeviceForm::refreshDevices()");

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

        // Done.
        m_iDirtyCount = 0;
        m_iDirtySetup--;

        // Show something.
        selectDevice();
}


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

        //
        //  TODO: Driver name has changed for a new device...
        //
        m_pMainForm->appendMessages("qsamplerDeviceForm::selectDriver()");

        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) {
                device.setDriver(m_pClient, sDriverName);
                DeviceParamTable->refresh(device);
                m_iDirtyCount++;
                // Done.
                stabilizeForm();
        }
}


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

        //
        //  TODO: Device selection has changed...
        //
        m_pMainForm->appendMessages("qsamplerDeviceForm::selectDevice()");

        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;
        }

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

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

        // Fill the device/driver heading...
        DeviceNameTextLabel->setText(device.deviceTypeName() + ' ' + 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);
        // Done.
        stabilizeForm();
}


// parameter value change slot.
void qsamplerDeviceForm::changeValue ( int iRow, int iCol )
{
        //
        //  TODO: Device parameter change...
        //
        m_pMainForm->appendMessages("qsamplerDeviceForm::changeValue()");
        
        QListViewItem *pItem = DeviceListView->selectedItem();
        if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
                return;

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

        // Table 1st column has the parameter name;
        qsamplerDeviceParamMap& params = device.params();
        const QString sParam = DeviceParamTable->text(iRow, 0);
        const QString sValue = DeviceParamTable->text(iRow, iCol);
        params[sParam].value = 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_iDirtyCount++;
        stabilizeForm();
        // Main session should be dirtier...
        m_pMainForm->sessionDirty();
}


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