trunk/src/qsamplerChannelForm.ui.h

// qsamplerChannelForm.ui.h
//
// ui.h extension file, included from the uic-generated form implementation.
/****************************************************************************
   Copyright (C) 2004-2005, 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 "qsamplerDeviceForm.h"

#include <qvalidator.h>
#include <qmessagebox.h>
#include <qfiledialog.h>
#include <qfileinfo.h>
#include <qlistbox.h>


// Kind of constructor.
void qsamplerChannelForm::init (void)
{
        // Initialize locals.
        m_pChannel = NULL;

        m_iDirtySetup = 0;
        m_iDirtyCount = 0;

        m_midiDevices.setAutoDelete(true);
        m_audioDevices.setAutoDelete(true);

        m_pDeviceForm = NULL;

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


// Kind of destructor.
void qsamplerChannelForm::destroy (void)
{
        if (m_pDeviceForm)
                delete m_pDeviceForm;
        m_pDeviceForm = NULL;
}


// Channel dialog setup formal initializer.
void qsamplerChannelForm::setup ( qsamplerChannel *pChannel )
{
        m_pChannel = pChannel;

        m_iDirtySetup = 0;
        m_iDirtyCount = 0;

        if (m_pChannel == NULL)
                return;

        // It can be a brand new channel, remember?
        bool bNew = (m_pChannel->channelID() < 0);
        setCaption(QSAMPLER_TITLE ": " + m_pChannel->channelName());

        // Check if we're up and connected.
        if (m_pChannel->client() == NULL)
                return;

        qsamplerOptions *pOptions = m_pChannel->options();
        if (pOptions == NULL)
                return;

        // Avoid nested changes.
        m_iDirtySetup++;

        // Load combo box history...
        pOptions->loadComboBoxHistory(InstrumentFileComboBox);

        // Populate Engines list.
        const char **ppszEngines = ::lscp_list_available_engines(m_pChannel->client());
        if (ppszEngines) {
                EngineNameComboBox->clear();
                for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
                        EngineNameComboBox->insertItem(ppszEngines[iEngine]);
        }
        else m_pChannel->appendMessagesClient("lscp_list_available_engines");

        // Populate Audio output type list.
        AudioDriverComboBox->clear();
        AudioDriverComboBox->insertStringList(
                qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Audio));

        // Populate MIDI input type list.
        MidiDriverComboBox->clear();
        MidiDriverComboBox->insertStringList(
                qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Midi));

        // Read proper channel information,
        // and populate the channel form fields.

        // Engine name...
        QString sEngineName = pChannel->engineName();
        if (sEngineName.isEmpty() || bNew)
                sEngineName = pOptions->sEngineName;
        if (sEngineName.isEmpty())
                sEngineName = qsamplerChannel::noEngineName();
        if (EngineNameComboBox->listBox()->findItem(sEngineName,
                        Qt::ExactMatch | Qt::CaseSensitive) == NULL) {
                EngineNameComboBox->insertItem(sEngineName);
        }
        EngineNameComboBox->setCurrentText(sEngineName);
        // Instrument filename and index...
        QString sInstrumentFile = pChannel->instrumentFile();
        if (sInstrumentFile.isEmpty())
                sInstrumentFile = qsamplerChannel::noInstrumentName();
        InstrumentFileComboBox->setCurrentText(sInstrumentFile);
        InstrumentNrComboBox->clear();
        InstrumentNrComboBox->insertStringList(
                qsamplerChannel::getInstrumentList(sInstrumentFile,
                pOptions->bInstrumentNames));
        InstrumentNrComboBox->setCurrentItem(pChannel->instrumentNr());

        // MIDI input device...
        qsamplerDevice midiDevice(m_pChannel->mainForm(),
                qsamplerDevice::Midi, m_pChannel->midiDevice());
        // MIDI input driver...
        QString sMidiDriver = midiDevice.driverName();
        if (sMidiDriver.isEmpty() || bNew)
                sMidiDriver = pOptions->sMidiDriver.upper();
        if (!sMidiDriver.isEmpty()) {
                if (MidiDriverComboBox->listBox()->findItem(sMidiDriver,
                                Qt::ExactMatch | Qt::CaseSensitive) == NULL) {
                        MidiDriverComboBox->insertItem(sMidiDriver);
                }
                MidiDriverComboBox->setCurrentText(sMidiDriver);
        }
        selectMidiDriverItem(sMidiDriver);
        if (!bNew)
                MidiDeviceComboBox->setCurrentText(midiDevice.deviceName());
        selectMidiDeviceItem(MidiDeviceComboBox->currentItem());
        // MIDI input port...
        MidiPortSpinBox->setValue(pChannel->midiPort());
        // MIDI input channel...
        int iMidiChannel = pChannel->midiChannel();
        // When new, try to suggest a sensible MIDI channel...
        if (iMidiChannel < 0)
                iMidiChannel = (::lscp_get_channels(m_pChannel->client()) % 16);
        MidiChannelComboBox->setCurrentItem(iMidiChannel);

        // Audio output device...
        qsamplerDevice audioDevice(m_pChannel->mainForm(),
                qsamplerDevice::Audio, m_pChannel->audioDevice());
        // Audio output driver...
        QString sAudioDriver = audioDevice.driverName();
        if (sAudioDriver.isEmpty() || bNew)
                sAudioDriver = pOptions->sAudioDriver.upper();
        if (!sAudioDriver.isEmpty()) {
                if (AudioDriverComboBox->listBox()->findItem(sAudioDriver,
                                Qt::ExactMatch | Qt::CaseSensitive) == NULL) {
                        AudioDriverComboBox->insertItem(sAudioDriver);
                }
                AudioDriverComboBox->setCurrentText(sAudioDriver);
        }
        selectAudioDriverItem(sAudioDriver);
        if (!bNew)
                AudioDeviceComboBox->setCurrentText(audioDevice.deviceName());
        selectAudioDeviceItem(AudioDeviceComboBox->currentItem());

        // As convenient, make it ready on stabilizeForm() for
        // prompt acceptance, if we got the minimum required...
        if (sEngineName != qsamplerChannel::noEngineName() &&
                sInstrumentFile != qsamplerChannel::noInstrumentName())
                m_iDirtyCount++;
        // Done.
        m_iDirtySetup--;
        stabilizeForm();
}


// Accept settings (OK button slot).
void qsamplerChannelForm::accept (void)
{
        if (m_pChannel == NULL)
                return;

        qsamplerOptions *pOptions = m_pChannel->options();
        if (pOptions == NULL)
                return;

        // We'll go for it!
        if (m_iDirtyCount > 0) {
                int iErrors = 0;
                // Are we a new channel?
                if (!m_pChannel->addChannel())
                        iErrors++;
                // Accept Audio driver or device selection...
                if (m_audioDevices.isEmpty()) {
                        if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText()))
                                iErrors++;
                } else {
                        qsamplerDevice *pDevice = m_audioDevices.at(AudioDeviceComboBox->currentItem());
                        if (pDevice == NULL)
                                iErrors++;
                        else if (!m_pChannel->setAudioDevice(pDevice->deviceID()))
                                iErrors++;
                }
                // Accept MIDI driver or device selection...
                if (m_midiDevices.isEmpty()) {
                        if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText()))
                                iErrors++;
                } else {
                        qsamplerDevice *pDevice = m_midiDevices.at(MidiDeviceComboBox->currentItem());
                        if (pDevice == NULL)
                                iErrors++;
                        else if (!m_pChannel->setMidiDevice(pDevice->deviceID()))
                                iErrors++;
                }
                // MIDI input port number...
                if (!m_pChannel->setMidiPort(MidiPortSpinBox->value()))
                        iErrors++;
                // MIDI input channel...
                if (!m_pChannel->setMidiChannel(MidiChannelComboBox->currentItem()))
                        iErrors++;
                // Engine name...
                if (!m_pChannel->loadEngine(EngineNameComboBox->currentText()))
                        iErrors++;
                // Instrument file and index...
                if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrComboBox->currentItem()))
                        iErrors++;
                // Show error messages?
                if (iErrors > 0)
                        m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry."));
        }

        // Save default engine name, instrument directory and history...
        pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
        pOptions->sEngineName  = EngineNameComboBox->currentText();
        pOptions->sAudioDriver = AudioDriverComboBox->currentText();
        pOptions->sMidiDriver  = MidiDriverComboBox->currentText();
        pOptions->saveComboBoxHistory(InstrumentFileComboBox);

        // Just go with dialog acceptance.
        QDialog::accept();
}


// Reject settings (Cancel button slot).
void qsamplerChannelForm::reject (void)
{
        bool bReject = true;

        // Check if there's any pending changes...
        if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
                switch (QMessageBox::warning(this,
                        QSAMPLER_TITLE ": " + tr("Warning"),
                        tr("Some channel settings have been changed.\n\n"
                        "Do you want to apply the changes?"),
                        tr("Apply"), tr("Discard"), tr("Cancel"))) {
                case 0:     // Apply...
                        accept();
                        return;
                case 1:     // Discard
                        break;
                default:    // Cancel.
                        bReject = false;
                }
        }

        if (bReject)
                QDialog::reject();
}


// Browse and open an instrument file.
void qsamplerChannelForm::openInstrumentFile (void)
{
        qsamplerOptions *pOptions = m_pChannel->options();
        if (pOptions == NULL)
                return;

        // FIXME: the instrument file filters should be restricted,
        // depending on the current engine.
        QString sInstrumentFile = QFileDialog::getOpenFileName(
                pOptions->sInstrumentDir,                   // Start here.
                tr("Instrument files") + " (*.gig *.dls)",  // Filter (GIG and DLS files)
                this, 0,                                    // Parent and name (none)
                QSAMPLER_TITLE ": " + tr("Instrument files")    // Caption.
        );

        if (sInstrumentFile.isEmpty())
                return;

        InstrumentFileComboBox->setCurrentText(sInstrumentFile);
        updateInstrumentName();
}


// Refresh the actual instrument name.
void qsamplerChannelForm::updateInstrumentName (void)
{
        qsamplerOptions *pOptions = m_pChannel->options();
        if (pOptions == NULL)
                return;

        // Finally this better idea would be to use libgig
        // to retrieve the REAL instrument names.
        InstrumentNrComboBox->clear();
        InstrumentNrComboBox->insertStringList(
                qsamplerChannel::getInstrumentList(
                        InstrumentFileComboBox->currentText(),
                        pOptions->bInstrumentNames)
        );

        optionsChanged();
}

// Show device options dialog.
void qsamplerChannelForm::setupDevice ( qsamplerDevice *pDevice,
        qsamplerDevice::qsamplerDeviceType deviceTypeMode,
        const QString& sDriverName )
{
        // Create the device form if not already...
        if (m_pDeviceForm == NULL) {
                m_pDeviceForm = new qsamplerDeviceForm(this, 0,
                        WType_Dialog | WShowModal);
                m_pDeviceForm->setMainForm(m_pChannel->mainForm());
                QObject::connect(m_pDeviceForm, SIGNAL(devicesChanged()),
                        this, SLOT(updateDevices()));
        }

        // Refresh the device form with selected data.
        if (m_pDeviceForm) {
                m_pDeviceForm->setDeviceTypeMode(deviceTypeMode);
                m_pDeviceForm->setClient(m_pChannel->client()); // -> refreshDevices();
                m_pDeviceForm->setDevice(pDevice);
                m_pDeviceForm->setDriverName(sDriverName);
                m_pDeviceForm->show();
        }
}


// Refresh MIDI driver item devices.
void qsamplerChannelForm::selectMidiDriverItem ( const QString& sMidiDriver )
{
        const QString sDriverName = sMidiDriver.upper();

        // Save current device id.
        int iDeviceID = -1;
        qsamplerDevice *pDevice = m_midiDevices.at(MidiDeviceComboBox->currentItem());
        if (pDevice)
                iDeviceID = pDevice->deviceID();

        // Clean maplist.
        MidiDeviceComboBox->clear();
        m_midiDevices.clear();

        // Populate with the current ones...
        const QPixmap& midiPixmap = QPixmap::fromMimeSource("midi2.png");
        int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
                qsamplerDevice::Midi);
        for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
                pDevice = new qsamplerDevice(m_pChannel->mainForm(),
                        qsamplerDevice::Midi, piDeviceIDs[i]);
                if (pDevice->driverName().upper() == sDriverName) {
                        MidiDeviceComboBox->insertItem(midiPixmap, pDevice->deviceName());
                        m_midiDevices.append(pDevice);
                } else {
                        delete pDevice;
                }
        }

        // Do proper enabling...
        bool bEnabled = !m_midiDevices.isEmpty();
        if (!bEnabled) {
                MidiDeviceComboBox->insertItem(
                        tr("(New MIDI %1 device)").arg(sMidiDriver));
        } else if (iDeviceID >= 0) {
                // Select the previous current device...
                int iMidiItem = 0;
                for (pDevice = m_midiDevices.first();
                                pDevice;
                                        pDevice = m_midiDevices.next()) {
                        if (pDevice->deviceID() == iDeviceID) {
                                MidiDeviceComboBox->setCurrentItem(iMidiItem);
                        //      selectMidiDeviceItem(iMidiItem);
                                break;
                        }
                        iMidiItem++;
                }
        }
        MidiDeviceTextLabel->setEnabled(bEnabled);
        MidiDeviceComboBox->setEnabled(bEnabled);
}


// Refresh MIDI device options slot.
void qsamplerChannelForm::selectMidiDriver ( const QString& sMidiDriver )
{
        if (m_iDirtySetup > 0)
                return;

        selectMidiDriverItem(sMidiDriver);
        optionsChanged();
}


// Select MIDI device item.
void qsamplerChannelForm::selectMidiDeviceItem ( int iMidiItem )
{
        qsamplerDevice *pDevice = m_midiDevices.at(iMidiItem);
        if (pDevice) {
                const qsamplerDeviceParamMap& params = pDevice->params();
                int iPorts = params["PORTS"].value.toInt();
                MidiPortTextLabel->setEnabled(iPorts > 0);
                MidiPortSpinBox->setEnabled(iPorts > 0);
                if (iPorts > 0)
                        MidiPortSpinBox->setMaxValue(iPorts - 1);
        }
}


// Select MIDI device options slot.
void qsamplerChannelForm::selectMidiDevice ( int iMidiItem )
{
        if (m_iDirtySetup > 0)
                return;

        selectMidiDeviceItem(iMidiItem);
        optionsChanged();
}


// MIDI device options.
void qsamplerChannelForm::setupMidiDevice (void)
{
        setupDevice(m_midiDevices.at(MidiDeviceComboBox->currentItem()),
                qsamplerDevice::Midi, MidiDriverComboBox->currentText());
}


// Refresh Audio driver item devices.
void qsamplerChannelForm::selectAudioDriverItem ( const QString& sAudioDriver )
{
        const QString sDriverName = sAudioDriver.upper();

        // Save current device id.
        int iDeviceID = -1;
        qsamplerDevice *pDevice = m_audioDevices.at(AudioDeviceComboBox->currentItem());
        if (pDevice)
                iDeviceID = pDevice->deviceID();

        // Clean maplist.
        AudioDeviceComboBox->clear();
        m_audioDevices.clear();

        // Populate with the current ones...
        const QPixmap& audioPixmap = QPixmap::fromMimeSource("audio2.png");
        int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
                qsamplerDevice::Audio);
        for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
                pDevice = new qsamplerDevice(m_pChannel->mainForm(),
                        qsamplerDevice::Audio, piDeviceIDs[i]);
                if (pDevice->driverName().upper() == sDriverName) {
                        AudioDeviceComboBox->insertItem(audioPixmap, pDevice->deviceName());
                        m_audioDevices.append(pDevice);
                } else {
                        delete pDevice;
                }
        }

        // Do proper enabling...
        bool bEnabled = !m_audioDevices.isEmpty();
        if (!bEnabled) {
                AudioDeviceComboBox->insertItem(
                        tr("(New Audio %1 device)").arg(sAudioDriver));
        } else if (iDeviceID >= 0) {
                // Select the previous current device...
                int iAudioItem = 0;
                for (pDevice = m_audioDevices.first();
                                pDevice;
                                        pDevice = m_audioDevices.next()) {
                        if (pDevice->deviceID() == iDeviceID) {
                                AudioDeviceComboBox->setCurrentItem(iAudioItem);
                        //      selectAudioDeviceItem(iAudioItem);
                                break;
                        }
                        iAudioItem++;
                }
        }
        AudioDeviceTextLabel->setEnabled(bEnabled);
        AudioDeviceComboBox->setEnabled(bEnabled);
}


// Refresh Audio device options slot.
void qsamplerChannelForm::selectAudioDriver ( const QString& sAudioDriver )
{
        if (m_iDirtySetup > 0)
                return;

        selectAudioDriverItem(sAudioDriver);
        optionsChanged();
}


// Select Audio device item.
void qsamplerChannelForm::selectAudioDeviceItem ( int iAudioItem )
{
        qsamplerDevice *pDevice = m_audioDevices.at(iAudioItem);
        if (pDevice) {
                // Is there anything to do here?
        }
}


// Select Audio device options slot.
void qsamplerChannelForm::selectAudioDevice ( int iAudioItem )
{
        if (m_iDirtySetup > 0)
                return;

        selectAudioDeviceItem(iAudioItem);
        optionsChanged();
}


// Audio device options.
void qsamplerChannelForm::setupAudioDevice (void)
{
        setupDevice(m_audioDevices.at(AudioDeviceComboBox->currentItem()),
                qsamplerDevice::Audio, AudioDriverComboBox->currentText());
}


// UPdate all device lists slot.
void qsamplerChannelForm::updateDevices (void)
{
        if (m_iDirtySetup > 0)
                return;

        selectMidiDriverItem(MidiDriverComboBox->currentText());
        selectAudioDriverItem(AudioDriverComboBox->currentText());
        optionsChanged();
}


// Dirty up settings.
void qsamplerChannelForm::optionsChanged (void)
{
        if (m_iDirtySetup > 0)
                return;

        m_iDirtyCount++;
        stabilizeForm();
}


// Stabilize current form state.
void qsamplerChannelForm::stabilizeForm (void)
{
        const QString& sFilename = InstrumentFileComboBox->currentText();
        OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists());
}


// end of qsamplerChannelForm.ui.h
1	capela	104	// qsamplerChannelForm.ui.h
2			//
3			// ui.h extension file, included from the uic-generated form implementation.
4			/****************************************************************************
5	capela	341	Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved.
6	capela	104
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	capela	757	#include "qsamplerAbout.h"
24			#include "qsamplerDeviceForm.h"
25
26	capela	104	#include <qvalidator.h>
27			#include <qmessagebox.h>
28			#include <qfiledialog.h>
29			#include <qfileinfo.h>
30			#include <qlistbox.h>
31
32	capela	487
33	capela	104	// Kind of constructor.
34			void qsamplerChannelForm::init (void)
35			{
36	capela	490	// Initialize locals.
37			m_pChannel = NULL;
38	capela	104
39	capela	490	m_iDirtySetup = 0;
40			m_iDirtyCount = 0;
41	capela	104
42	capela	452	m_midiDevices.setAutoDelete(true);
43			m_audioDevices.setAutoDelete(true);
44
45	capela	487	m_pDeviceForm = NULL;
46	capela	490
47			// Try to restore normal window positioning.
48			adjustSize();
49	capela	104	}
50
51
52			// Kind of destructor.
53			void qsamplerChannelForm::destroy (void)
54			{
55	capela	487	if (m_pDeviceForm)
56	capela	490	delete m_pDeviceForm;
57	capela	487	m_pDeviceForm = NULL;
58	capela	104	}
59
60
61			// Channel dialog setup formal initializer.
62	capela	295	void qsamplerChannelForm::setup ( qsamplerChannel *pChannel )
63	capela	104	{
64	capela	490	m_pChannel = pChannel;
65	capela	104
66	capela	490	m_iDirtySetup = 0;
67			m_iDirtyCount = 0;
68	capela	104
69	capela	490	if (m_pChannel == NULL)
70			return;
71	capela	104
72	capela	490	// It can be a brand new channel, remember?
73			bool bNew = (m_pChannel->channelID() < 0);
74	capela	757	setCaption(QSAMPLER_TITLE ": " + m_pChannel->channelName());
75	capela	104
76	capela	490	// Check if we're up and connected.
77			if (m_pChannel->client() == NULL)
78			return;
79	capela	104
80	capela	490	qsamplerOptions *pOptions = m_pChannel->options();
81			if (pOptions == NULL)
82			return;
83	capela	104
84	capela	490	// Avoid nested changes.
85			m_iDirtySetup++;
86	capela	104
87	capela	490	// Load combo box history...
88			pOptions->loadComboBoxHistory(InstrumentFileComboBox);
89	capela	104
90	capela	490	// Populate Engines list.
91	capela	525	const char **ppszEngines = ::lscp_list_available_engines(m_pChannel->client());
92	capela	490	if (ppszEngines) {
93			EngineNameComboBox->clear();
94			for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
95			EngineNameComboBox->insertItem(ppszEngines[iEngine]);
96			}
97	capela	525	else m_pChannel->appendMessagesClient("lscp_list_available_engines");
98	capela	145
99	capela	490	// Populate Audio output type list.
100			AudioDriverComboBox->clear();
101			AudioDriverComboBox->insertStringList(
102	capela	430	qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Audio));
103	capela	104
104	capela	490	// Populate MIDI input type list.
105			MidiDriverComboBox->clear();
106			MidiDriverComboBox->insertStringList(
107	capela	430	qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Midi));
108	capela	145
109	capela	490	// Read proper channel information,
110			// and populate the channel form fields.
111	capela	104
112	capela	490	// Engine name...
113			QString sEngineName = pChannel->engineName();
114			if (sEngineName.isEmpty() \|\| bNew)
115			sEngineName = pOptions->sEngineName;
116			if (sEngineName.isEmpty())
117			sEngineName = qsamplerChannel::noEngineName();
118			if (EngineNameComboBox->listBox()->findItem(sEngineName,
119			Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
120			EngineNameComboBox->insertItem(sEngineName);
121			}
122			EngineNameComboBox->setCurrentText(sEngineName);
123			// Instrument filename and index...
124			QString sInstrumentFile = pChannel->instrumentFile();
125			if (sInstrumentFile.isEmpty())
126			sInstrumentFile = qsamplerChannel::noInstrumentName();
127			InstrumentFileComboBox->setCurrentText(sInstrumentFile);
128			InstrumentNrComboBox->clear();
129			InstrumentNrComboBox->insertStringList(
130	capela	344	qsamplerChannel::getInstrumentList(sInstrumentFile,
131			pOptions->bInstrumentNames));
132	capela	490	InstrumentNrComboBox->setCurrentItem(pChannel->instrumentNr());
133
134	capela	452	// MIDI input device...
135	capela	484	qsamplerDevice midiDevice(m_pChannel->mainForm(),
136	capela	452	qsamplerDevice::Midi, m_pChannel->midiDevice());
137	capela	490	// MIDI input driver...
138	capela	452	QString sMidiDriver = midiDevice.driverName();
139			if (sMidiDriver.isEmpty() \|\| bNew)
140	capela	490	sMidiDriver = pOptions->sMidiDriver.upper();
141	capela	452	if (!sMidiDriver.isEmpty()) {
142	capela	490	if (MidiDriverComboBox->listBox()->findItem(sMidiDriver,
143			Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
144	capela	452	MidiDriverComboBox->insertItem(sMidiDriver);
145	capela	490	}
146	capela	452	MidiDriverComboBox->setCurrentText(sMidiDriver);
147			}
148	capela	488	selectMidiDriverItem(sMidiDriver);
149	capela	452	if (!bNew)
150			MidiDeviceComboBox->setCurrentText(midiDevice.deviceName());
151	capela	488	selectMidiDeviceItem(MidiDeviceComboBox->currentItem());
152	capela	490	// MIDI input port...
153			MidiPortSpinBox->setValue(pChannel->midiPort());
154			// MIDI input channel...
155			int iMidiChannel = pChannel->midiChannel();
156			// When new, try to suggest a sensible MIDI channel...
157			if (iMidiChannel < 0)
158			iMidiChannel = (::lscp_get_channels(m_pChannel->client()) % 16);
159			MidiChannelComboBox->setCurrentItem(iMidiChannel);
160	capela	455
161	capela	452	// Audio output device...
162	capela	484	qsamplerDevice audioDevice(m_pChannel->mainForm(),
163	capela	452	qsamplerDevice::Audio, m_pChannel->audioDevice());
164			// Audio output driver...
165			QString sAudioDriver = audioDevice.driverName();
166			if (sAudioDriver.isEmpty() \|\| bNew)
167	capela	490	sAudioDriver = pOptions->sAudioDriver.upper();
168	capela	452	if (!sAudioDriver.isEmpty()) {
169	capela	490	if (AudioDriverComboBox->listBox()->findItem(sAudioDriver,
170			Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
171	capela	452	AudioDriverComboBox->insertItem(sAudioDriver);
172	capela	490	}
173	capela	452	AudioDriverComboBox->setCurrentText(sAudioDriver);
174			}
175	capela	488	selectAudioDriverItem(sAudioDriver);
176	capela	452	if (!bNew)
177			AudioDeviceComboBox->setCurrentText(audioDevice.deviceName());
178	capela	488	selectAudioDeviceItem(AudioDeviceComboBox->currentItem());
179	capela	452
180	capela	391	// As convenient, make it ready on stabilizeForm() for
181			// prompt acceptance, if we got the minimum required...
182	capela	395	if (sEngineName != qsamplerChannel::noEngineName() &&
183			sInstrumentFile != qsamplerChannel::noInstrumentName())
184			m_iDirtyCount++;
185	capela	490	// Done.
186			m_iDirtySetup--;
187			stabilizeForm();
188	capela	104	}
189
190
191			// Accept settings (OK button slot).
192			void qsamplerChannelForm::accept (void)
193			{
194	capela	490	if (m_pChannel == NULL)
195			return;
196	capela	104
197	capela	490	qsamplerOptions *pOptions = m_pChannel->options();
198			if (pOptions == NULL)
199			return;
200	capela	104
201	capela	490	// We'll go for it!
202			if (m_iDirtyCount > 0) {
203			int iErrors = 0;
204			// Are we a new channel?
205			if (!m_pChannel->addChannel())
206			iErrors++;
207	capela	452	// Accept Audio driver or device selection...
208			if (m_audioDevices.isEmpty()) {
209			if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText()))
210			iErrors++;
211			} else {
212			qsamplerDevice *pDevice = m_audioDevices.at(AudioDeviceComboBox->currentItem());
213			if (pDevice == NULL)
214			iErrors++;
215			else if (!m_pChannel->setAudioDevice(pDevice->deviceID()))
216			iErrors++;
217			}
218			// Accept MIDI driver or device selection...
219			if (m_midiDevices.isEmpty()) {
220			if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText()))
221			iErrors++;
222			} else {
223			qsamplerDevice *pDevice = m_midiDevices.at(MidiDeviceComboBox->currentItem());
224			if (pDevice == NULL)
225			iErrors++;
226			else if (!m_pChannel->setMidiDevice(pDevice->deviceID()))
227			iErrors++;
228			}
229	capela	490	// MIDI input port number...
230			if (!m_pChannel->setMidiPort(MidiPortSpinBox->value()))
231			iErrors++;
232			// MIDI input channel...
233			if (!m_pChannel->setMidiChannel(MidiChannelComboBox->currentItem()))
234			iErrors++;
235			// Engine name...
236			if (!m_pChannel->loadEngine(EngineNameComboBox->currentText()))
237			iErrors++;
238			// Instrument file and index...
239			if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrComboBox->currentItem()))
240			iErrors++;
241			// Show error messages?
242			if (iErrors > 0)
243			m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry."));
244			}
245	capela	104
246	capela	490	// Save default engine name, instrument directory and history...
247			pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
248			pOptions->sEngineName = EngineNameComboBox->currentText();
249			pOptions->sAudioDriver = AudioDriverComboBox->currentText();
250			pOptions->sMidiDriver = MidiDriverComboBox->currentText();
251			pOptions->saveComboBoxHistory(InstrumentFileComboBox);
252	capela	104
253	capela	490	// Just go with dialog acceptance.
254			QDialog::accept();
255	capela	104	}
256
257
258			// Reject settings (Cancel button slot).
259			void qsamplerChannelForm::reject (void)
260			{
261	capela	490	bool bReject = true;
262	capela	104
263	capela	490	// Check if there's any pending changes...
264			if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
265	capela	757	switch (QMessageBox::warning(this,
266			QSAMPLER_TITLE ": " + tr("Warning"),
267	capela	490	tr("Some channel settings have been changed.\n\n"
268			"Do you want to apply the changes?"),
269			tr("Apply"), tr("Discard"), tr("Cancel"))) {
270			case 0: // Apply...
271			accept();
272			return;
273			case 1: // Discard
274			break;
275			default: // Cancel.
276			bReject = false;
277			}
278			}
279	capela	104
280	capela	490	if (bReject)
281			QDialog::reject();
282	capela	104	}
283
284
285			// Browse and open an instrument file.
286			void qsamplerChannelForm::openInstrumentFile (void)
287			{
288	capela	490	qsamplerOptions *pOptions = m_pChannel->options();
289			if (pOptions == NULL)
290			return;
291	capela	104
292	capela	490	// FIXME: the instrument file filters should be restricted,
293			// depending on the current engine.
294			QString sInstrumentFile = QFileDialog::getOpenFileName(
295	capela	757	pOptions->sInstrumentDir, // Start here.
296			tr("Instrument files") + " (.gig .dls)", // Filter (GIG and DLS files)
297			this, 0, // Parent and name (none)
298			QSAMPLER_TITLE ": " + tr("Instrument files") // Caption.
299	capela	490	);
300	capela	104
301	capela	490	if (sInstrumentFile.isEmpty())
302			return;
303	capela	104
304	capela	490	InstrumentFileComboBox->setCurrentText(sInstrumentFile);
305	capela	525	updateInstrumentName();
306	capela	104	}
307
308
309			// Refresh the actual instrument name.
310			void qsamplerChannelForm::updateInstrumentName (void)
311			{
312	capela	490	qsamplerOptions *pOptions = m_pChannel->options();
313			if (pOptions == NULL)
314			return;
315	capela	341
316	capela	490	// Finally this better idea would be to use libgig
317			// to retrieve the REAL instrument names.
318			InstrumentNrComboBox->clear();
319			InstrumentNrComboBox->insertStringList(
320			qsamplerChannel::getInstrumentList(
321	capela	344	InstrumentFileComboBox->currentText(),
322			pOptions->bInstrumentNames)
323	capela	490	);
324	capela	104
325	capela	490	optionsChanged();
326	capela	104	}
327
328	capela	487	// Show device options dialog.
329	capela	490	void qsamplerChannelForm::setupDevice ( qsamplerDevice *pDevice,
330			qsamplerDevice::qsamplerDeviceType deviceTypeMode,
331			const QString& sDriverName )
332	capela	487	{
333			// Create the device form if not already...
334			if (m_pDeviceForm == NULL) {
335			m_pDeviceForm = new qsamplerDeviceForm(this, 0,
336			WType_Dialog \| WShowModal);
337			m_pDeviceForm->setMainForm(m_pChannel->mainForm());
338	capela	488	QObject::connect(m_pDeviceForm, SIGNAL(devicesChanged()),
339	capela	490	this, SLOT(updateDevices()));
340	capela	487	}
341
342			// Refresh the device form with selected data.
343			if (m_pDeviceForm) {
344	capela	490	m_pDeviceForm->setDeviceTypeMode(deviceTypeMode);
345			m_pDeviceForm->setClient(m_pChannel->client()); // -> refreshDevices();
346			m_pDeviceForm->setDevice(pDevice);
347			m_pDeviceForm->setDriverName(sDriverName);
348	capela	487	m_pDeviceForm->show();
349			}
350			}
351
352
353	capela	488	// Refresh MIDI driver item devices.
354			void qsamplerChannelForm::selectMidiDriverItem ( const QString& sMidiDriver )
355	capela	452	{
356	capela	454	const QString sDriverName = sMidiDriver.upper();
357	capela	488
358			// Save current device id.
359			int iDeviceID = -1;
360			qsamplerDevice *pDevice = m_midiDevices.at(MidiDeviceComboBox->currentItem());
361			if (pDevice)
362	capela	490	iDeviceID = pDevice->deviceID();
363	capela	488
364			// Clean maplist.
365	capela	452	MidiDeviceComboBox->clear();
366	capela	488	m_midiDevices.clear();
367	capela	104
368	capela	488	// Populate with the current ones...
369	capela	452	const QPixmap& midiPixmap = QPixmap::fromMimeSource("midi2.png");
370			int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
371			qsamplerDevice::Midi);
372			for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
373	capela	488	pDevice = new qsamplerDevice(m_pChannel->mainForm(),
374	capela	452	qsamplerDevice::Midi, piDeviceIDs[i]);
375	capela	454	if (pDevice->driverName().upper() == sDriverName) {
376	capela	452	MidiDeviceComboBox->insertItem(midiPixmap, pDevice->deviceName());
377			m_midiDevices.append(pDevice);
378			} else {
379			delete pDevice;
380			}
381			}
382
383	capela	488	// Do proper enabling...
384	capela	452	bool bEnabled = !m_midiDevices.isEmpty();
385	capela	490	if (!bEnabled) {
386			MidiDeviceComboBox->insertItem(
387			tr("(New MIDI %1 device)").arg(sMidiDriver));
388			} else if (iDeviceID >= 0) {
389			// Select the previous current device...
390			int iMidiItem = 0;
391			for (pDevice = m_midiDevices.first();
392			pDevice;
393			pDevice = m_midiDevices.next()) {
394			if (pDevice->deviceID() == iDeviceID) {
395	capela	488	MidiDeviceComboBox->setCurrentItem(iMidiItem);
396	capela	490	// selectMidiDeviceItem(iMidiItem);
397			break;
398			}
399	capela	488	iMidiItem++;
400			}
401			}
402	capela	452	MidiDeviceTextLabel->setEnabled(bEnabled);
403			MidiDeviceComboBox->setEnabled(bEnabled);
404	capela	488	}
405
406
407			// Refresh MIDI device options slot.
408			void qsamplerChannelForm::selectMidiDriver ( const QString& sMidiDriver )
409			{
410			if (m_iDirtySetup > 0)
411	capela	490	return;
412	capela	488
413			selectMidiDriverItem(sMidiDriver);
414	capela	452	optionsChanged();
415			}
416
417
418	capela	488	// Select MIDI device item.
419			void qsamplerChannelForm::selectMidiDeviceItem ( int iMidiItem )
420	capela	455	{
421			qsamplerDevice *pDevice = m_midiDevices.at(iMidiItem);
422			if (pDevice) {
423	capela	462	const qsamplerDeviceParamMap& params = pDevice->params();
424	capela	455	int iPorts = params["PORTS"].value.toInt();
425			MidiPortTextLabel->setEnabled(iPorts > 0);
426			MidiPortSpinBox->setEnabled(iPorts > 0);
427			if (iPorts > 0)
428			MidiPortSpinBox->setMaxValue(iPorts - 1);
429			}
430	capela	488	}
431
432
433			// Select MIDI device options slot.
434			void qsamplerChannelForm::selectMidiDevice ( int iMidiItem )
435			{
436			if (m_iDirtySetup > 0)
437	capela	490	return;
438	capela	488
439			selectMidiDeviceItem(iMidiItem);
440	capela	455	optionsChanged();
441			}
442
443
444	capela	487	// MIDI device options.
445			void qsamplerChannelForm::setupMidiDevice (void)
446			{
447	capela	490	setupDevice(m_midiDevices.at(MidiDeviceComboBox->currentItem()),
448			qsamplerDevice::Midi, MidiDriverComboBox->currentText());
449	capela	487	}
450
451
452	capela	488	// Refresh Audio driver item devices.
453			void qsamplerChannelForm::selectAudioDriverItem ( const QString& sAudioDriver )
454	capela	452	{
455	capela	454	const QString sDriverName = sAudioDriver.upper();
456
457	capela	488	// Save current device id.
458			int iDeviceID = -1;
459			qsamplerDevice *pDevice = m_audioDevices.at(AudioDeviceComboBox->currentItem());
460			if (pDevice)
461	capela	490	iDeviceID = pDevice->deviceID();
462	capela	488
463			// Clean maplist.
464	capela	452	AudioDeviceComboBox->clear();
465			m_audioDevices.clear();
466
467	capela	488	// Populate with the current ones...
468	capela	452	const QPixmap& audioPixmap = QPixmap::fromMimeSource("audio2.png");
469			int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
470			qsamplerDevice::Audio);
471			for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
472	capela	488	pDevice = new qsamplerDevice(m_pChannel->mainForm(),
473	capela	452	qsamplerDevice::Audio, piDeviceIDs[i]);
474	capela	454	if (pDevice->driverName().upper() == sDriverName) {
475	capela	452	AudioDeviceComboBox->insertItem(audioPixmap, pDevice->deviceName());
476			m_audioDevices.append(pDevice);
477			} else {
478			delete pDevice;
479			}
480			}
481
482	capela	488	// Do proper enabling...
483	capela	452	bool bEnabled = !m_audioDevices.isEmpty();
484	capela	490	if (!bEnabled) {
485			AudioDeviceComboBox->insertItem(
486			tr("(New Audio %1 device)").arg(sAudioDriver));
487			} else if (iDeviceID >= 0) {
488			// Select the previous current device...
489			int iAudioItem = 0;
490			for (pDevice = m_audioDevices.first();
491			pDevice;
492			pDevice = m_audioDevices.next()) {
493			if (pDevice->deviceID() == iDeviceID) {
494	capela	488	AudioDeviceComboBox->setCurrentItem(iAudioItem);
495	capela	490	// selectAudioDeviceItem(iAudioItem);
496			break;
497			}
498	capela	488	iAudioItem++;
499			}
500			}
501	capela	452	AudioDeviceTextLabel->setEnabled(bEnabled);
502			AudioDeviceComboBox->setEnabled(bEnabled);
503	capela	488	}
504
505
506			// Refresh Audio device options slot.
507			void qsamplerChannelForm::selectAudioDriver ( const QString& sAudioDriver )
508			{
509			if (m_iDirtySetup > 0)
510	capela	490	return;
511
512	capela	488	selectAudioDriverItem(sAudioDriver);
513	capela	452	optionsChanged();
514			}
515
516
517	capela	488	// Select Audio device item.
518			void qsamplerChannelForm::selectAudioDeviceItem ( int iAudioItem )
519	capela	455	{
520			qsamplerDevice *pDevice = m_audioDevices.at(iAudioItem);
521			if (pDevice) {
522			// Is there anything to do here?
523			}
524	capela	488	}
525
526
527			// Select Audio device options slot.
528			void qsamplerChannelForm::selectAudioDevice ( int iAudioItem )
529			{
530			if (m_iDirtySetup > 0)
531	capela	490	return;
532	capela	488
533			selectAudioDeviceItem(iAudioItem);
534	capela	455	optionsChanged();
535			}
536
537
538	capela	487	// Audio device options.
539			void qsamplerChannelForm::setupAudioDevice (void)
540			{
541	capela	490	setupDevice(m_audioDevices.at(AudioDeviceComboBox->currentItem()),
542			qsamplerDevice::Audio, AudioDriverComboBox->currentText());
543	capela	487	}
544
545
546	capela	488	// UPdate all device lists slot.
547			void qsamplerChannelForm::updateDevices (void)
548			{
549	capela	490	if (m_iDirtySetup > 0)
550			return;
551	capela	488
552			selectMidiDriverItem(MidiDriverComboBox->currentText());
553			selectAudioDriverItem(AudioDriverComboBox->currentText());
554			optionsChanged();
555			}
556
557
558	capela	104	// Dirty up settings.
559			void qsamplerChannelForm::optionsChanged (void)
560			{
561	capela	490	if (m_iDirtySetup > 0)
562			return;
563	capela	104
564	capela	490	m_iDirtyCount++;
565			stabilizeForm();
566	capela	104	}
567
568
569			// Stabilize current form state.
570			void qsamplerChannelForm::stabilizeForm (void)
571			{
572	capela	490	const QString& sFilename = InstrumentFileComboBox->currentText();
573			OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists());
574	capela	104	}
575
576
577			// end of qsamplerChannelForm.ui.h