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 "qsamplerAbout.h"
#include "qsamplerMainForm.h"

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


// Kind of constructor.
void qsamplerDeviceForm::init (void)
{
        // Initialize locals.
        m_pMainForm   = NULL;
        m_pClient     = NULL;
        m_iDirtySetup = 0;
        m_iDirtyCount = 0;
        m_bNewDevice  = false;
        m_deviceType  = qsamplerDevice::None;
        m_pAudioItems = NULL;
        m_pMidiItems  = NULL;
        // No exclusive mode as default.
        m_deviceTypeMode = qsamplerDevice::None;

        // 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();

        // Signal special whether we changed the device set.
        if (m_iDirtyCount > 0) {
                m_iDirtyCount = 0;
                emit devicesChanged();
        }
}


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


// Set device type spacial exclusive mode.
void qsamplerDeviceForm::setDeviceTypeMode (
        qsamplerDevice::qsamplerDeviceType deviceTypeMode )
{
        // If it has not changed, do nothing.
        if (m_deviceTypeMode == deviceTypeMode)
                return;

        m_deviceTypeMode = deviceTypeMode;

        // OK. Do a whole refresh around.
        refreshDevices();
}


// 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();
}


// Device driver name setup formal initializer.
void qsamplerDeviceForm::setDriverName ( const QString& sDriverName )
{
        if (DriverNameComboBox->listBox()->findItem(sDriverName,
                        Qt::ExactMatch | Qt::CaseSensitive) == NULL) {
                DriverNameComboBox->insertItem(sDriverName);
        }
        DriverNameComboBox->setCurrentText(sDriverName);
}


// Set current selected device by type and id.
void qsamplerDeviceForm::setDevice ( qsamplerDevice *pDevice )
{
        // In case no device is given...
        qsamplerDevice::qsamplerDeviceType deviceType = m_deviceTypeMode;
        if (pDevice)
                deviceType = pDevice->deviceType();

        // 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;

        // So there's no device huh?
        if (pDevice == NULL) {
                DeviceListView->setSelected(pRootItem, true);
                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() == pDevice->deviceID()) {
                        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();
                m_iDirtyCount++;
        }
}


// 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,
                        QSAMPLER_TITLE ": " + 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();
                m_iDirtyCount++;
        }
}


// 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...
                if (m_deviceTypeMode == qsamplerDevice::None ||
                        m_deviceTypeMode == qsamplerDevice::Audio) {
                        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...
                if (m_deviceTypeMode == qsamplerDevice::None ||
                        m_deviceTypeMode == qsamplerDevice::Midi) {
                        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);
                DevicePortTextLabel->setEnabled(false);
                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());
        setDriverName(device.driverName());
        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...
        switch (device.deviceType()) {
        case qsamplerDevice::Audio:
                DevicePortTextLabel->setText(tr("Ch&annel:"));
                break;
        case qsamplerDevice::Midi:
                DevicePortTextLabel->setText(tr("P&ort:"));
                break;
        case qsamplerDevice::None:
                break;
        }
        DevicePortComboBox->clear();
        DevicePortParamTable->setNumRows(0);
        if (m_bNewDevice) {
                DevicePortTextLabel->setEnabled(false);
                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);
                DevicePortTextLabel->setEnabled(bEnabled);
                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 "qsamplerAbout.h"
24	#include "qsamplerMainForm.h"
25
26	#include <qmessagebox.h>
27	#include <qfiledialog.h>
28	#include <qfileinfo.h>
29	#include <qlistbox.h>
30	#include <qptrlist.h>
31	#include <qpopupmenu.h>
32
33
34	// Kind of constructor.
35	void qsamplerDeviceForm::init (void)
36	{
37	// Initialize locals.
38	m_pMainForm = NULL;
39	m_pClient = NULL;
40	m_iDirtySetup = 0;
41	m_iDirtyCount = 0;
42	m_bNewDevice = false;
43	m_deviceType = qsamplerDevice::None;
44	m_pAudioItems = NULL;
45	m_pMidiItems = NULL;
46	// No exclusive mode as default.
47	m_deviceTypeMode = qsamplerDevice::None;
48
49	// This an outsider (from designer), but rather important.
50	QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
51	this, SLOT(changeDeviceParam(int,int)));
52	QObject::connect(DevicePortParamTable, SIGNAL(valueChanged(int,int)),
53	this, SLOT(changeDevicePortParam(int,int)));
54
55	// Initial contents.
56	refreshDevices();
57	// Try to restore normal window positioning.
58	adjustSize();
59	}
60
61
62	// Kind of destructor.
63	void qsamplerDeviceForm::destroy (void)
64	{
65	}
66
67
68	// Notify our parent that we're emerging.
69	void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
70	{
71	if (m_pMainForm)
72	m_pMainForm->stabilizeForm();
73
74	stabilizeForm();
75
76	QWidget::showEvent(pShowEvent);
77	}
78
79
80	// Notify our parent that we're closing.
81	void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
82	{
83	QWidget::hideEvent(pHideEvent);
84
85	if (m_pMainForm)
86	m_pMainForm->stabilizeForm();
87
88	// Signal special whether we changed the device set.
89	if (m_iDirtyCount > 0) {
90	m_iDirtyCount = 0;
91	emit devicesChanged();
92	}
93	}
94
95
96	// Application main form settler (life depends on it).
97	void qsamplerDeviceForm::setMainForm ( qsamplerMainForm *pMainForm )
98	{
99	m_pMainForm = pMainForm;
100	}
101
102
103	// Set device type spacial exclusive mode.
104	void qsamplerDeviceForm::setDeviceTypeMode (
105	qsamplerDevice::qsamplerDeviceType deviceTypeMode )
106	{
107	// If it has not changed, do nothing.
108	if (m_deviceTypeMode == deviceTypeMode)
109	return;
110
111	m_deviceTypeMode = deviceTypeMode;
112
113	// OK. Do a whole refresh around.
114	refreshDevices();
115	}
116
117
118	// Device configuration dialog setup formal initializer.
119	void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
120	{
121	// If it has not changed, do nothing.
122	if (m_pClient && m_pClient == pClient)
123	return;
124
125	// Set new reference.
126	m_pClient = pClient;
127
128	// OK. Do a whole refresh around.
129	refreshDevices();
130	}
131
132
133	// Device driver name setup formal initializer.
134	void qsamplerDeviceForm::setDriverName ( const QString& sDriverName )
135	{
136	if (DriverNameComboBox->listBox()->findItem(sDriverName,
137	Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
138	DriverNameComboBox->insertItem(sDriverName);
139	}
140	DriverNameComboBox->setCurrentText(sDriverName);
141	}
142
143
144	// Set current selected device by type and id.
145	void qsamplerDeviceForm::setDevice ( qsamplerDevice *pDevice )
146	{
147	// In case no device is given...
148	qsamplerDevice::qsamplerDeviceType deviceType = m_deviceTypeMode;
149	if (pDevice)
150	deviceType = pDevice->deviceType();
151
152	// Get the device view root item...
153	qsamplerDeviceItem *pRootItem = NULL;
154	switch (deviceType) {
155	case qsamplerDevice::Audio:
156	pRootItem = m_pAudioItems;
157	break;
158	case qsamplerDevice::Midi:
159	pRootItem = m_pMidiItems;
160	break;
161	case qsamplerDevice::None:
162	break;
163	}
164
165	// Is the root present?
166	if (pRootItem == NULL)
167	return;
168
169	// So there's no device huh?
170	if (pDevice == NULL) {
171	DeviceListView->setSelected(pRootItem, true);
172	return;
173	}
174
175	// For each child, test for identity...
176	qsamplerDeviceItem *pDeviceItem =
177	(qsamplerDeviceItem *) pRootItem->firstChild();
178	while (pDeviceItem) {
179	// If identities match, select as current device item.
180	if (pDeviceItem->device().deviceID() == pDevice->deviceID()) {
181	DeviceListView->setSelected(pDeviceItem, true);
182	break;
183	}
184	pDeviceItem = (qsamplerDeviceItem *) pDeviceItem->nextSibling();
185	}
186	}
187
188
189
190	// Create a new device from current table view.
191	void qsamplerDeviceForm::createDevice (void)
192	{
193	if (m_pMainForm == NULL)
194	return;
195
196	QListViewItem *pItem = DeviceListView->selectedItem();
197	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
198	return;
199
200	// About a brand new device instance...
201	qsamplerDevice device(((qsamplerDeviceItem *) pItem)->device());
202	if (device.createDevice()) {
203	// Now it depends on the device type...
204	qsamplerDeviceItem *pRootItem = NULL;
205	switch (device.deviceType()) {
206	case qsamplerDevice::Audio:
207	pRootItem = m_pAudioItems;
208	break;
209	case qsamplerDevice::Midi:
210	pRootItem = m_pMidiItems;
211	break;
212	case qsamplerDevice::None:
213	break;
214	}
215	// Append the new device item.
216	qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
217	m_pMainForm, device.deviceType(), device.deviceID());
218	// Just make it the new selection...
219	DeviceListView->setSelected(pDeviceItem, true);
220	// Main session should be marked dirty.
221	m_pMainForm->sessionDirty();
222	m_iDirtyCount++;
223	}
224	}
225
226
227	// Delete current device in table view.
228	void qsamplerDeviceForm::deleteDevice (void)
229	{
230	if (m_pMainForm == NULL)
231	return;
232
233	QListViewItem *pItem = DeviceListView->selectedItem();
234	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
235	return;
236
237	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
238
239	// Prompt user if this is for real...
240	qsamplerOptions *pOptions = m_pMainForm->options();
241	if (pOptions && pOptions->bConfirmRemove) {
242	if (QMessageBox::warning(this,
243	QSAMPLER_TITLE ": " + tr("Warning"),
244	tr("Delete device:\n\n"
245	"%1\n\n"
246	"Are you sure?")
247	.arg(device.deviceName()),
248	tr("OK"), tr("Cancel")) > 0)
249	return;
250	}
251
252	// Go and destroy...
253	if (device.deleteDevice()) {
254	// Remove it from the device view...
255	delete pItem;
256	// Main session should be marked dirty.
257	m_pMainForm->sessionDirty();
258	m_iDirtyCount++;
259	}
260	}
261
262
263	// Refresh all device list and views.
264	void qsamplerDeviceForm::refreshDevices (void)
265	{
266	if (m_pMainForm == NULL)
267	return;
268
269	// Avoid nested changes.
270	m_iDirtySetup++;
271
272	//
273	// (Re)Load complete device configuration data ...
274	//
275	m_pAudioItems = NULL;
276	m_pMidiItems = NULL;
277	DeviceListView->clear();
278	if (m_pClient) {
279	int *piDeviceIDs;
280	// Grab and pop Audio devices...
281	if (m_deviceTypeMode == qsamplerDevice::None \|\|
282	m_deviceTypeMode == qsamplerDevice::Audio) {
283	m_pAudioItems = new qsamplerDeviceItem(DeviceListView,
284	m_pMainForm, qsamplerDevice::Audio);
285	}
286	if (m_pAudioItems) {
287	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
288	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
289	new qsamplerDeviceItem(m_pAudioItems, m_pMainForm,
290	qsamplerDevice::Audio, piDeviceIDs[i]);
291	}
292	m_pAudioItems->setOpen(true);
293	}
294	// Grab and pop MIDI devices...
295	if (m_deviceTypeMode == qsamplerDevice::None \|\|
296	m_deviceTypeMode == qsamplerDevice::Midi) {
297	m_pMidiItems = new qsamplerDeviceItem(DeviceListView,
298	m_pMainForm, qsamplerDevice::Midi);
299	}
300	if (m_pMidiItems) {
301	piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
302	for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
303	new qsamplerDeviceItem(m_pMidiItems, m_pMainForm,
304	qsamplerDevice::Midi, piDeviceIDs[i]);
305	}
306	m_pMidiItems->setOpen(true);
307	}
308	}
309
310	// Done.
311	m_iDirtySetup--;
312
313	// Show something.
314	selectDevice();
315	}
316
317
318	// Driver selection slot.
319	void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
320	{
321	if (m_iDirtySetup > 0)
322	return;
323
324	//
325	// Driver name has changed for a new device...
326	//
327
328	QListViewItem *pItem = DeviceListView->selectedItem();
329	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
330	return;
331
332	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
333
334	// Driver change is only valid for scratch devices...
335	if (m_bNewDevice) {
336	m_iDirtySetup++;
337	device.setDriver(sDriverName);
338	DeviceParamTable->refresh(device.params(), m_bNewDevice);
339	m_iDirtySetup--;
340	// Done.
341	stabilizeForm();
342	}
343	}
344
345
346	// Device selection slot.
347	void qsamplerDeviceForm::selectDevice (void)
348	{
349	if (m_iDirtySetup > 0)
350	return;
351
352	//
353	// Device selection has changed...
354	//
355
356	QListViewItem *pItem = DeviceListView->selectedItem();
357	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
358	m_deviceType = qsamplerDevice::None;
359	DeviceNameTextLabel->setText(QString::null);
360	DeviceParamTable->setNumRows(0);
361	DevicePortComboBox->clear();
362	DevicePortParamTable->setNumRows(0);
363	DevicePortTextLabel->setEnabled(false);
364	DevicePortComboBox->setEnabled(false);
365	DevicePortParamTable->setEnabled(false);
366	stabilizeForm();
367	return;
368	}
369
370	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
371
372	m_iDirtySetup++;
373	// Flag whether this is a new device.
374	m_bNewDevice = (device.deviceID() < 0);
375
376	// Fill the device/driver heading...
377	DeviceNameTextLabel->setText(device.deviceName());
378	// The driver combobox is only rebuilt if device type has changed...
379	if (device.deviceType() != m_deviceType) {
380	DriverNameComboBox->clear();
381	DriverNameComboBox->insertStringList(
382	qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
383	m_deviceType = device.deviceType();
384	}
385	// Do we need a driver name?
386	if (m_bNewDevice \|\| device.driverName().isEmpty())
387	device.setDriver(DriverNameComboBox->currentText());
388	setDriverName(device.driverName());
389	DriverNameTextLabel->setEnabled(m_bNewDevice);
390	DriverNameComboBox->setEnabled(m_bNewDevice);
391	// Fill the device parameter table...
392	DeviceParamTable->refresh(device.params(), m_bNewDevice);
393	// And now the device port/channel parameter table...
394	switch (device.deviceType()) {
395	case qsamplerDevice::Audio:
396	DevicePortTextLabel->setText(tr("Ch&annel:"));
397	break;
398	case qsamplerDevice::Midi:
399	DevicePortTextLabel->setText(tr("P&ort:"));
400	break;
401	case qsamplerDevice::None:
402	break;
403	}
404	DevicePortComboBox->clear();
405	DevicePortParamTable->setNumRows(0);
406	if (m_bNewDevice) {
407	DevicePortTextLabel->setEnabled(false);
408	DevicePortComboBox->setEnabled(false);
409	DevicePortParamTable->setEnabled(false);
410	} else {
411	QPixmap pixmap;
412	switch (device.deviceType()) {
413	case qsamplerDevice::Audio:
414	pixmap = QPixmap::fromMimeSource("audio2.png");
415	break;
416	case qsamplerDevice::Midi:
417	pixmap = QPixmap::fromMimeSource("midi2.png");
418	break;
419	case qsamplerDevice::None:
420	break;
421	}
422	qsamplerDevicePortList& ports = device.ports();
423	qsamplerDevicePort *pPort;
424	for (pPort = ports.first(); pPort; pPort = ports.next()) {
425	DevicePortComboBox->insertItem(pixmap, device.deviceTypeName()
426	+ ' ' + device.driverName()
427	+ ' ' + pPort->portName());
428	}
429	bool bEnabled = (ports.count() > 0);
430	DevicePortTextLabel->setEnabled(bEnabled);
431	DevicePortComboBox->setEnabled(bEnabled);
432	DevicePortParamTable->setEnabled(bEnabled);
433	}
434	// Done.
435	m_iDirtySetup--;
436
437	// Make the device port/channel selection effective.
438	selectDevicePort(DevicePortComboBox->currentItem());
439	}
440
441
442	// Device port/channel selection slot.
443	void qsamplerDeviceForm::selectDevicePort ( int iPort )
444	{
445	if (m_iDirtySetup > 0)
446	return;
447
448	//
449	// Device port/channel selection has changed...
450	//
451
452	QListViewItem *pItem = DeviceListView->selectedItem();
453	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
454	return;
455
456	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
457	qsamplerDevicePort *pPort = device.ports().at(iPort);
458	if (pPort) {
459	m_iDirtySetup++;
460	DevicePortParamTable->refresh(pPort->params(), false);
461	m_iDirtySetup--;
462	}
463	// Done.
464	stabilizeForm();
465	}
466
467
468	// Device parameter value change slot.
469	void qsamplerDeviceForm::changeDeviceParam ( int iRow, int iCol )
470	{
471	if (m_pMainForm == NULL)
472	return;
473	if (m_iDirtySetup > 0)
474	return;
475	if (iRow < 0 \|\| iCol < 0)
476	return;
477
478	//
479	// Device parameter change...
480	//
481
482	QListViewItem *pItem = DeviceListView->selectedItem();
483	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
484	return;
485
486	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
487
488	// Table 1st column has the parameter name;
489	const QString sParam = DeviceParamTable->text(iRow, 0);
490	const QString sValue = DeviceParamTable->text(iRow, iCol);
491	// Set the local device parameter value.
492	if (device.setParam(sParam, sValue)) {
493	selectDevice();
494	} else {
495	stabilizeForm();
496	}
497	// Main session should be dirtier...
498	m_pMainForm->sessionDirty();
499	}
500
501
502	// Device port/channel parameter value change slot.
503	void qsamplerDeviceForm::changeDevicePortParam ( int iRow, int iCol )
504	{
505	if (m_pMainForm == NULL)
506	return;
507	if (m_iDirtySetup > 0)
508	return;
509	if (iRow < 0 \|\| iCol < 0)
510	return;
511
512	//
513	// Device port/channel parameter change...
514	//
515
516	QListViewItem *pItem = DeviceListView->selectedItem();
517	if (pItem == NULL \|\| pItem->rtti() != QSAMPLER_DEVICE_ITEM)
518	return;
519
520	qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
521
522	int iPort = DevicePortComboBox->currentItem();
523	qsamplerDevicePort *pPort = device.ports().at(iPort);
524	if (pPort == NULL)
525	return;
526
527	// Table 1st column has the parameter name;
528	const QString sParam = DevicePortParamTable->text(iRow, 0);
529	const QString sValue = DevicePortParamTable->text(iRow, iCol);
530	// Set the local device port/channel parameter value.
531	pPort->setParam(sParam, sValue);
532	// Done.
533	stabilizeForm();
534	// Main session should be dirtier...
535	m_pMainForm->sessionDirty();
536	}
537
538
539	// Device list view context menu handler.
540	void qsamplerDeviceForm::contextMenu ( QListViewItem *pItem, const QPoint& pos, int )
541	{
542	int iItemID;
543
544	// Build the device context menu...
545	QPopupMenu* pContextMenu = new QPopupMenu(this);
546
547	bool bClient = (m_pClient != NULL);
548	bool bEnabled = (pItem != NULL);
549	iItemID = pContextMenu->insertItem(
550	QIconSet(QPixmap::fromMimeSource("deviceCreate.png")),
551	tr("&Create device"), this, SLOT(createDevice()));
552	pContextMenu->setItemEnabled(iItemID, bEnabled \|\| (bClient && m_bNewDevice));
553	iItemID = pContextMenu->insertItem(
554	QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
555	tr("&Delete device"), this, SLOT(deleteDevice()));
556	pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
557	pContextMenu->insertSeparator();
558	iItemID = pContextMenu->insertItem(
559	QIconSet(QPixmap::fromMimeSource("formRefresh.png")),
560	tr("&Refresh"), this, SLOT(refreshDevices()));
561	pContextMenu->setItemEnabled(iItemID, bClient);
562
563	pContextMenu->exec(pos);
564
565	delete pContextMenu;
566	}
567
568
569	// Stabilize current form state.
570	void qsamplerDeviceForm::stabilizeForm (void)
571	{
572	QListViewItem *pItem = DeviceListView->selectedItem();
573	bool bClient = (m_pClient != NULL);
574	bool bEnabled = (pItem != NULL);
575	DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
576	DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
577	DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
578	DeviceParamTable->setEnabled(bEnabled);
579	RefreshDevicesPushButton->setEnabled(bClient);
580	CreateDevicePushButton->setEnabled(bEnabled \|\| (bClient && m_bNewDevice));
581	DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
582	}
583
584
585	// end of qsamplerDeviceForm.ui.h