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

#include "qsamplerDeviceForm.h"

#include "config.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(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_get_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_get_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, 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)
                        tr("Instrument files")                      // Caption.
        );

        if (sInstrumentFile.isEmpty())
                return;

        InstrumentFileComboBox->setCurrentText(sInstrumentFile);
}


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