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   = NULL;
        m_pClient     = NULL;
        m_iDirtySetup = 0;
        m_bNewDevice  = false;
        m_deviceType  = qsamplerDevice::None;
        m_pAudioItems = NULL;
        m_pMidiItems  = NULL;
        
        // This an outsider (from designer), but rather important.
        QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
                this, SLOT(changeDeviceParam(int,int)));
        QObject::connect(DevicePortParamTable, SIGNAL(valueChanged(int,int)),
                this, SLOT(changeDevicePortParam(int,int)));

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


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


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

        stabilizeForm();

        QWidget::showEvent(pShowEvent);
}


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

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


// Application main form settler (life depends on it).
void qsamplerDeviceForm::setMainForm ( qsamplerMainForm *pMainForm )
{
   m_pMainForm = pMainForm;
}


// 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();
}


// Set current selected device by type and id.
void qsamplerDeviceForm::setDevice (
        qsamplerDevice::qsamplerDeviceType deviceType, int iDeviceID )
{
        // Get the device view root item...
        qsamplerDeviceItem *pRootItem = NULL;
        switch (deviceType) {
        case qsamplerDevice::Audio:
                pRootItem = m_pAudioItems;
                break;
        case qsamplerDevice::Midi:
                pRootItem = m_pMidiItems;
                break;
        case qsamplerDevice::None:
                break;
        }
        
        // Is the root present?
        if (pRootItem == NULL)
            return;

        // For each child, test for identity...
        qsamplerDeviceItem *pDeviceItem =
                (qsamplerDeviceItem *) pRootItem->firstChild();
        while (pDeviceItem) {
                // If identities match, select as current device item.
                if (pDeviceItem->device().deviceID() == iDeviceID) {
                        DeviceListView->setSelected(pDeviceItem, true);
                        break;
                }
                pDeviceItem = (qsamplerDeviceItem *) pDeviceItem->nextSibling();
        }
}


// Create a new device from current table view.
void qsamplerDeviceForm::createDevice (void)
{
        if (m_pMainForm == NULL)
            return;

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

        // About a brand new device instance...
        qsamplerDevice device(((qsamplerDeviceItem *) pItem)->device());
        if (device.createDevice()) {
                // Now it depends on the device type...
                qsamplerDeviceItem *pRootItem = NULL;
                switch (device.deviceType()) {
                case qsamplerDevice::Audio:
                        pRootItem = m_pAudioItems;
                        break;
                case qsamplerDevice::Midi:
                        pRootItem = m_pMidiItems;
                        break;
                case qsamplerDevice::None:
                        break;
                }
                // Append the new device item.
                qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
                        m_pMainForm, device.deviceType(), device.deviceID());
                // Just make it the new selection...
                DeviceListView->setSelected(pDeviceItem, true);
                // Main session should be marked dirty.
                m_pMainForm->sessionDirty();
        }
}


// Delete current device in table view.
void qsamplerDeviceForm::deleteDevice (void)
{
        if (m_pMainForm == NULL)
            return;

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

        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 device:\n\n"
                        "%1\n\n"
                        "Are you sure?")
                        .arg(device.deviceName()),
                        tr("OK"), tr("Cancel")) > 0)
                        return;
        }

        // Go and destroy...
        if (device.deleteDevice()) {
                // Remove it from the device view...
                delete pItem;
                // Main session should be marked dirty.
                m_pMainForm->sessionDirty();
        }
}


// Refresh all device list and views.
void qsamplerDeviceForm::refreshDevices (void)
{
        if (m_pMainForm == NULL)
            return;

        // 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_pMainForm, qsamplerDevice::Audio);
                if (m_pAudioItems) {
                        piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
                        for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
                                new qsamplerDeviceItem(m_pAudioItems, m_pMainForm,
                                        qsamplerDevice::Audio, piDeviceIDs[i]);
                        }
                        m_pAudioItems->setOpen(true);
                }
                // Grab and pop MIDI devices...
                m_pMidiItems = new qsamplerDeviceItem(DeviceListView,
                        m_pMainForm, qsamplerDevice::Midi);
                if (m_pMidiItems) {
                        piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
                        for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
                                new qsamplerDeviceItem(m_pMidiItems, m_pMainForm,
                                        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(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->clear();
                DevicePortParamTable->setNumRows(0);
                DevicePortComboBox->setEnabled(false);
                DevicePortParamTable->setEnabled(false);
                stabilizeForm();
                return;
        }

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

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

        // Fill the device/driver heading...
        DeviceNameTextLabel->setText(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(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()
                                + ' ' + device.driverName()
                                + ' ' + pPort->portName());
                }
                bool bEnabled = (ports.count() > 0);
                DevicePortComboBox->setEnabled(bEnabled);
                DevicePortParamTable->setEnabled(bEnabled);
        }
        // Done.
        m_iDirtySetup--;
        
        // Make the device port/channel selection effective.
        selectDevicePort(DevicePortComboBox->currentItem());
}


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

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

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

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


// Device parameter value change slot.
void qsamplerDeviceForm::changeDeviceParam ( int iRow, int iCol )
{
        if (m_pMainForm == NULL)
            return;
        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();

        // 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.
        if (device.setParam(sParam, sValue)) {
                selectDevice();
        } else {
                stabilizeForm();
        }
        // Main session should be dirtier...
        m_pMainForm->sessionDirty();
}


// Device port/channel parameter value change slot.
void qsamplerDeviceForm::changeDevicePortParam ( int iRow, int iCol )
{
        if (m_pMainForm == NULL)
            return;
        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;

        // 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);
        // Done.
        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 = NULL;
40	m_pClient = NULL;
41	m_iDirtySetup = 0;
42	m_bNewDevice = false;
43	m_deviceType = qsamplerDevice::None;
44	m_pAudioItems = NULL;
45	m_pMidiItems = NULL;
46
47	// This an outsider (from designer), but rather important.
48	QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
49	this, SLOT(changeDeviceParam(int,int)));
50	QObject::connect(DevicePortParamTable, SIGNAL(valueChanged(int,int)),
51	this, SLOT(changeDevicePortParam(int,int)));
52
53	// Initial contents.
54	refreshDevices();
55	// Try to restore normal window positioning.
56	adjustSize();
57	}
58
59
60	// Kind of destructor.
61	void qsamplerDeviceForm::destroy (void)
62	{
63	}
64
65
66	// Notify our parent that we're emerging.
67	void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
68	{
69	if (m_pMainForm)
70	m_pMainForm->stabilizeForm();
71
72	stabilizeForm();
73
74	QWidget::showEvent(pShowEvent);
75	}
76
77
78	// Notify our parent that we're closing.
79	void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
80	{
81	QWidget::hideEvent(pHideEvent);
82
83	if (m_pMainForm)
84	m_pMainForm->stabilizeForm();
85	}
86
87
88	// Application main form settler (life depends on it).
89	void qsamplerDeviceForm::setMainForm ( qsamplerMainForm *pMainForm )
90	{
91	m_pMainForm = pMainForm;
92	}
93
94
95	// Device configuration dialog setup formal initializer.
96	void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
97	{
98	// If it has not changed, do nothing.
99	if (m_pClient && m_pClient == pClient)
100	return;
101
102	// Set new reference.
103	m_pClient = pClient;
104
105	// OK. Do a whole refresh around.
106	refreshDevices();
107	}
108
109
110	// Set current selected device by type and id.
111	void qsamplerDeviceForm::setDevice (
112	qsamplerDevice::qsamplerDeviceType deviceType, int iDeviceID )
113	{
114	// Get the device view root item...
115	qsamplerDeviceItem *pRootItem = NULL;
116	switch (deviceType) {
117	case qsamplerDevice::Audio:
118	pRootItem = m_pAudioItems;
119	break;
120	case qsamplerDevice::Midi:
121	pRootItem = m_pMidiItems;
122	break;
123	case qsamplerDevice::None:
124	break;
125	}
126
127	// Is the root present?
128	if (pRootItem == NULL)
129	return;
130
131	// For each child, test for identity...
132	qsamplerDeviceItem *pDeviceItem =
133	(qsamplerDeviceItem *) pRootItem->firstChild();
134	while (pDeviceItem) {
135	// If identities match, select as current device item.
136	if (pDeviceItem->device().deviceID() == iDeviceID) {
137	DeviceListView->setSelected(pDeviceItem, true);
138	break;
139	}
140	pDeviceItem = (qsamplerDeviceItem *) pDeviceItem->nextSibling();
141	}
142	}
143
144
145
146	// Create a new device from current table view.
147	void qsamplerDeviceForm::createDevice (void)
148	{
149	if (m_pMainForm == NULL)
150	return;
151
152	QListViewItem *pItem = DeviceListView->selectedItem();
153	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
154	return;
155
156	// About a brand new device instance...
157	qsamplerDevice device(((qsamplerDeviceItem *) pItem)->device());
158	if (device.createDevice()) {
159	// Now it depends on the device type...
160	qsamplerDeviceItem *pRootItem = NULL;
161	switch (device.deviceType()) {
162	case qsamplerDevice::Audio:
163	pRootItem = m_pAudioItems;
164	break;
165	case qsamplerDevice::Midi:
166	pRootItem = m_pMidiItems;
167	break;
168	case qsamplerDevice::None:
169	break;
170	}
171	// Append the new device item.
172	qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
173	m_pMainForm, device.deviceType(), device.deviceID());
174	// Just make it the new selection...
175	DeviceListView->setSelected(pDeviceItem, true);
176	// Main session should be marked dirty.
177	m_pMainForm->sessionDirty();
178	}
179	}
180
181
182	// Delete current device in table view.
183	void qsamplerDeviceForm::deleteDevice (void)
184	{
185	if (m_pMainForm == NULL)
186	return;
187
188	QListViewItem *pItem = DeviceListView->selectedItem();
189	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
190	return;
191
192	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
193
194	// Prompt user if this is for real...
195	qsamplerOptions *pOptions = m_pMainForm->options();
196	if (pOptions && pOptions->bConfirmRemove) {
197	if (QMessageBox::warning(this, tr("Warning"),
198	tr("Delete device:\n\n"
199	"%1\n\n"
200	"Are you sure?")
201	.arg(device.deviceName()),
202	tr("OK"), tr("Cancel")) > 0)
203	return;
204	}
205
206	// Go and destroy...
207	if (device.deleteDevice()) {
208	// Remove it from the device view...
209	delete pItem;
210	// Main session should be marked dirty.
211	m_pMainForm->sessionDirty();
212	}
213	}
214
215
216	// Refresh all device list and views.
217	void qsamplerDeviceForm::refreshDevices (void)
218	{
219	if (m_pMainForm == NULL)
220	return;
221
222	// Avoid nested changes.
223	m_iDirtySetup++;
224
225	//
226	// (Re)Load complete device configuration data ...
227	//
228	m_pAudioItems = NULL;
229	m_pMidiItems = NULL;
230	DeviceListView->clear();
231	if (m_pClient) {
232	int *piDeviceIDs;
233	// Grab and pop Audio devices...
234	m_pAudioItems = new qsamplerDeviceItem(DeviceListView,
235	m_pMainForm, qsamplerDevice::Audio);
236	if (m_pAudioItems) {
237	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
238	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
239	new qsamplerDeviceItem(m_pAudioItems, m_pMainForm,
240	qsamplerDevice::Audio, piDeviceIDs[i]);
241	}
242	m_pAudioItems->setOpen(true);
243	}
244	// Grab and pop MIDI devices...
245	m_pMidiItems = new qsamplerDeviceItem(DeviceListView,
246	m_pMainForm, qsamplerDevice::Midi);
247	if (m_pMidiItems) {
248	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
249	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
250	new qsamplerDeviceItem(m_pMidiItems, m_pMainForm,
251	qsamplerDevice::Midi, piDeviceIDs[i]);
252	}
253	m_pMidiItems->setOpen(true);
254	}
255	}
256
257	// Done.
258	m_iDirtySetup--;
259
260	// Show something.
261	selectDevice();
262	}
263
264
265	// Driver selection slot.
266	void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
267	{
268	if (m_iDirtySetup > 0)
269	return;
270
271	//
272	// Driver name has changed for a new device...
273	//
274
275	QListViewItem *pItem = DeviceListView->selectedItem();
276	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
277	return;
278
279	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
280
281	// Driver change is only valid for scratch devices...
282	if (m_bNewDevice) {
283	m_iDirtySetup++;
284	device.setDriver(sDriverName);
285	DeviceParamTable->refresh(device.params(), m_bNewDevice);
286	m_iDirtySetup--;
287	// Done.
288	stabilizeForm();
289	}
290	}
291
292
293	// Device selection slot.
294	void qsamplerDeviceForm::selectDevice (void)
295	{
296	if (m_iDirtySetup > 0)
297	return;
298
299	//
300	// Device selection has changed...
301	//
302
303	QListViewItem *pItem = DeviceListView->selectedItem();
304	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
305	m_deviceType = qsamplerDevice::None;
306	DeviceNameTextLabel->setText(QString::null);
307	DeviceParamTable->setNumRows(0);
308	DevicePortComboBox->clear();
309	DevicePortParamTable->setNumRows(0);
310	DevicePortComboBox->setEnabled(false);
311	DevicePortParamTable->setEnabled(false);
312	stabilizeForm();
313	return;
314	}
315
316	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
317
318	m_iDirtySetup++;
319	// Flag whether this is a new device.
320	m_bNewDevice = (device.deviceID() < 0);
321
322	// Fill the device/driver heading...
323	DeviceNameTextLabel->setText(device.deviceName());
324	// The driver combobox is only rebuilt if device type has changed...
325	if (device.deviceType() != m_deviceType) {
326	DriverNameComboBox->clear();
327	DriverNameComboBox->insertStringList(
328	qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
329	m_deviceType = device.deviceType();
330	}
331	// Do we need a driver name?
332	if (m_bNewDevice \|\| device.driverName().isEmpty())
333	device.setDriver(DriverNameComboBox->currentText());
334	const QString& sDriverName = device.driverName();
335	if (DriverNameComboBox->listBox()->findItem(sDriverName, Qt::ExactMatch) == NULL)
336	DriverNameComboBox->insertItem(sDriverName);
337	DriverNameComboBox->setCurrentText(sDriverName);
338	DriverNameTextLabel->setEnabled(m_bNewDevice);
339	DriverNameComboBox->setEnabled(m_bNewDevice);
340	// Fill the device parameter table...
341	DeviceParamTable->refresh(device.params(), m_bNewDevice);
342	// And now the device port/channel parameter table...
343	DevicePortComboBox->clear();
344	DevicePortParamTable->setNumRows(0);
345	if (m_bNewDevice) {
346	DevicePortComboBox->setEnabled(false);
347	DevicePortParamTable->setEnabled(false);
348	} else {
349	QPixmap pixmap;
350	switch (device.deviceType()) {
351	case qsamplerDevice::Audio:
352	pixmap = QPixmap::fromMimeSource("audio2.png");
353	break;
354	case qsamplerDevice::Midi:
355	pixmap = QPixmap::fromMimeSource("midi2.png");
356	break;
357	case qsamplerDevice::None:
358	break;
359	}
360	qsamplerDevicePortList& ports = device.ports();
361	qsamplerDevicePort *pPort;
362	for (pPort = ports.first(); pPort; pPort = ports.next()) {
363	DevicePortComboBox->insertItem(pixmap, device.deviceTypeName()
364	+ ' ' + device.driverName()
365	+ ' ' + pPort->portName());
366	}
367	bool bEnabled = (ports.count() > 0);
368	DevicePortComboBox->setEnabled(bEnabled);
369	DevicePortParamTable->setEnabled(bEnabled);
370	}
371	// Done.
372	m_iDirtySetup--;
373
374	// Make the device port/channel selection effective.
375	selectDevicePort(DevicePortComboBox->currentItem());
376	}
377
378
379	// Device port/channel selection slot.
380	void qsamplerDeviceForm::selectDevicePort ( int iPort )
381	{
382	if (m_iDirtySetup > 0)
383	return;
384
385	//
386	// Device port/channel selection has changed...
387	//
388
389	QListViewItem *pItem = DeviceListView->selectedItem();
390	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
391	return;
392
393	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
394	qsamplerDevicePort *pPort = device.ports().at(iPort);
395	if (pPort) {
396	m_iDirtySetup++;
397	DevicePortParamTable->refresh(pPort->params(), false);
398	m_iDirtySetup--;
399	}
400	// Done.
401	stabilizeForm();
402	}
403
404
405	// Device parameter value change slot.
406	void qsamplerDeviceForm::changeDeviceParam ( int iRow, int iCol )
407	{
408	if (m_pMainForm == NULL)
409	return;
410	if (m_iDirtySetup > 0)
411	return;
412	if (iRow < 0 \|\| iCol < 0)
413	return;
414
415	//
416	// Device parameter change...
417	//
418
419	QListViewItem *pItem = DeviceListView->selectedItem();
420	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
421	return;
422
423	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
424
425	// Table 1st column has the parameter name;
426	const QString sParam = DeviceParamTable->text(iRow, 0);
427	const QString sValue = DeviceParamTable->text(iRow, iCol);
428	// Set the local device parameter value.
429	if (device.setParam(sParam, sValue)) {
430	selectDevice();
431	} else {
432	stabilizeForm();
433	}
434	// Main session should be dirtier...
435	m_pMainForm->sessionDirty();
436	}
437
438
439	// Device port/channel parameter value change slot.
440	void qsamplerDeviceForm::changeDevicePortParam ( int iRow, int iCol )
441	{
442	if (m_pMainForm == NULL)
443	return;
444	if (m_iDirtySetup > 0)
445	return;
446	if (iRow < 0 \|\| iCol < 0)
447	return;
448
449	//
450	// Device port/channel parameter change...
451	//
452
453	QListViewItem *pItem = DeviceListView->selectedItem();
454	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
455	return;
456
457	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
458
459	int iPort = DevicePortComboBox->currentItem();
460	qsamplerDevicePort *pPort = device.ports().at(iPort);
461	if (pPort == NULL)
462	return;
463
464	// Table 1st column has the parameter name;
465	const QString sParam = DevicePortParamTable->text(iRow, 0);
466	const QString sValue = DevicePortParamTable->text(iRow, iCol);
467	// Set the local device port/channel parameter value.
468	pPort->setParam(sParam, sValue);
469	// Done.
470	stabilizeForm();
471	// Main session should be dirtier...
472	m_pMainForm->sessionDirty();
473	}
474
475
476	// Device list view context menu handler.
477	void qsamplerDeviceForm::contextMenu ( QListViewItem *pItem, const QPoint& pos, int )
478	{
479	int iItemID;
480
481	// Build the device context menu...
482	QPopupMenu* pContextMenu = new QPopupMenu(this);
483
484	bool bClient = (m_pClient != NULL);
485	bool bEnabled = (pItem != NULL);
486	iItemID = pContextMenu->insertItem(
487	QIconSet(QPixmap::fromMimeSource("deviceCreate.png")),
488	tr("&Create device"), this, SLOT(createDevice()));
489	pContextMenu->setItemEnabled(iItemID, bEnabled \|\| (bClient && m_bNewDevice));
490	iItemID = pContextMenu->insertItem(
491	QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
492	tr("&Delete device"), this, SLOT(deleteDevice()));
493	pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
494	pContextMenu->insertSeparator();
495	iItemID = pContextMenu->insertItem(
496	QIconSet(QPixmap::fromMimeSource("formRefresh.png")),
497	tr("&Refresh"), this, SLOT(refreshDevices()));
498	pContextMenu->setItemEnabled(iItemID, bClient);
499
500	pContextMenu->exec(pos);
501
502	delete pContextMenu;
503	}
504
505
506	// Stabilize current form state.
507	void qsamplerDeviceForm::stabilizeForm (void)
508	{
509	QListViewItem *pItem = DeviceListView->selectedItem();
510	bool bClient = (m_pClient != NULL);
511	bool bEnabled = (pItem != NULL);
512	DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
513	DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
514	DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
515	DeviceParamTable->setEnabled(bEnabled);
516	RefreshDevicesPushButton->setEnabled(bClient);
517	CreateDevicePushButton->setEnabled(bEnabled \|\| (bClient && m_bNewDevice));
518	DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
519	}
520
521
522	// end of qsamplerDeviceForm.ui.h
523
524
525