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// qsamplerChannelForm.ui.h |
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// |
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// ui.h extension file, included from the uic-generated form implementation. |
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/**************************************************************************** |
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Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*****************************************************************************/ |
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#include <qvalidator.h> |
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#include <qmessagebox.h> |
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#include <qfiledialog.h> |
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#include <qfileinfo.h> |
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#include <qlistbox.h> |
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#include "config.h" |
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// Kind of constructor. |
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void qsamplerChannelForm::init (void) |
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{ |
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// Initialize locals. |
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m_pChannel = NULL; |
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m_iDirtySetup = 0; |
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m_iDirtyCount = 0; |
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// Try to restore normal window positioning. |
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adjustSize(); |
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} |
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// Kind of destructor. |
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void qsamplerChannelForm::destroy (void) |
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{ |
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} |
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// Channel dialog setup formal initializer. |
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void qsamplerChannelForm::setup ( qsamplerChannel *pChannel, bool bNew ) |
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{ |
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m_pChannel = pChannel; |
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m_iDirtySetup = 0; |
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m_iDirtyCount = 0; |
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if (m_pChannel == NULL) |
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return; |
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setCaption(tr("Channel %1").arg(m_pChannel->channelID())); |
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// Check if we're up and connected. |
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if (m_pChannel->client() == NULL) |
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return; |
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qsamplerOptions *pOptions = m_pChannel->options(); |
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if (pOptions == NULL) |
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return; |
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// Avoid nested changes. |
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m_iDirtySetup++; |
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// Load combo box history... |
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pOptions->loadComboBoxHistory(InstrumentFileComboBox); |
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// Populate Engines list. |
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const char **ppszEngines = ::lscp_get_available_engines(m_pChannel->client()); |
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if (ppszEngines) { |
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EngineNameComboBox->clear(); |
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for (int iEngine = 0; ppszEngines[iEngine]; iEngine++) |
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EngineNameComboBox->insertItem(ppszEngines[iEngine]); |
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} |
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else m_pChannel->appendMessagesClient("lscp_get_available_engines"); |
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// Populate Audio output type list. |
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const char **ppszAudioDrivers = ::lscp_get_available_audio_drivers(m_pChannel->client()); |
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if (ppszAudioDrivers) { |
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AudioDriverComboBox->clear(); |
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for (int iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++) |
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AudioDriverComboBox->insertItem(ppszAudioDrivers[iAudioDriver]); |
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} |
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else m_pChannel->appendMessagesClient("lscp_get_available_audio_drivers"); |
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// Populate MIDI input type list. |
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const char **ppszMidiDrivers = ::lscp_get_available_midi_drivers(m_pChannel->client()); |
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if (ppszMidiDrivers) { |
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MidiDriverComboBox->clear(); |
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for (int iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++) |
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MidiDriverComboBox->insertItem(ppszMidiDrivers[iMidiDriver]); |
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} |
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else m_pChannel->appendMessagesClient("lscp_get_available_midi_drivers"); |
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// Read proper channel information, |
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// and populate the channel form fields. |
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// Engine name... |
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QString sEngineName = pChannel->engineName(); |
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if (sEngineName.isEmpty() && bNew) |
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sEngineName = pOptions->sEngineName; |
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if (sEngineName.isEmpty()) |
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sEngineName = tr("(No engine)"); |
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if (EngineNameComboBox->listBox()->findItem(sEngineName, Qt::ExactMatch) == NULL) |
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EngineNameComboBox->insertItem(sEngineName); |
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EngineNameComboBox->setCurrentText(sEngineName); |
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// Instrument filename and index... |
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QString sInstrumentFile = pChannel->instrumentFile(); |
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if (sInstrumentFile.isEmpty()) |
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sInstrumentFile = tr("(No instrument)"); |
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InstrumentFileComboBox->setCurrentText(sInstrumentFile); |
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InstrumentNrSpinBox->setValue(pChannel->instrumentNr()); |
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// MIDI input driver... |
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QString sMidiDriver = pChannel->midiDriver(); |
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if (sMidiDriver.isEmpty() && bNew) |
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sMidiDriver = pOptions->sMidiDriver; |
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if (!sMidiDriver.isEmpty()) { |
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if (MidiDriverComboBox->listBox()->findItem(sMidiDriver, Qt::ExactMatch) == NULL) |
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MidiDriverComboBox->insertItem(sMidiDriver); |
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MidiDriverComboBox->setCurrentText(sMidiDriver); |
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} |
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// MIDI input port... |
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MidiPortSpinBox->setValue(pChannel->midiPort()); |
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// MIDI input channel... |
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int iMidiChannel = pChannel->midiChannel(); |
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if (bNew) |
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iMidiChannel = (pChannel->channelID() % 16); |
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MidiChannelComboBox->setCurrentItem(iMidiChannel); |
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// Audio output driver... |
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QString sAudioDriver = pChannel->audioDriver(); |
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if (sAudioDriver.isEmpty() && bNew) |
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sAudioDriver = pOptions->sAudioDriver; |
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if (!sAudioDriver.isEmpty()) { |
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if (AudioDriverComboBox->listBox()->findItem(sAudioDriver, Qt::ExactMatch) == NULL) |
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AudioDriverComboBox->insertItem(sAudioDriver); |
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AudioDriverComboBox->setCurrentText(sAudioDriver); |
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} |
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// Done. |
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m_iDirtySetup--; |
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stabilizeForm(); |
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} |
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// Accept settings (OK button slot). |
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void qsamplerChannelForm::accept (void) |
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{ |
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if (m_pChannel == NULL) |
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return; |
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qsamplerOptions *pOptions = m_pChannel->options(); |
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if (pOptions == NULL) |
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return; |
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// We'll go for it! |
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if (m_iDirtyCount > 0) { |
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int iErrors = 0; |
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// Audio output driver type... |
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if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText())) |
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iErrors++; |
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// MIDI input driver type... |
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if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText())) |
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iErrors++; |
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// MIDI input port number... |
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if (!m_pChannel->setMidiPort(MidiPortSpinBox->value())) |
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iErrors++; |
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// MIDI input channel... |
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if (!m_pChannel->setMidiChannel(MidiChannelComboBox->currentItem())) |
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iErrors++; |
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// Engine name... |
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if (!m_pChannel->loadEngine(EngineNameComboBox->currentText())) |
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iErrors++; |
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// Instrument file and index... |
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if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrSpinBox->value())) |
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iErrors++; |
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// Show error messages? |
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if (iErrors > 0) |
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m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry.")); |
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} |
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// Save default engine name, instrument directory and history... |
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pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true); |
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pOptions->sEngineName = EngineNameComboBox->currentText(); |
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pOptions->sAudioDriver = AudioDriverComboBox->currentText(); |
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pOptions->sMidiDriver = MidiDriverComboBox->currentText(); |
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pOptions->saveComboBoxHistory(InstrumentFileComboBox); |
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// Just go with dialog acceptance. |
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QDialog::accept(); |
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} |
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// Reject settings (Cancel button slot). |
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void qsamplerChannelForm::reject (void) |
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{ |
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bool bReject = true; |
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// Check if there's any pending changes... |
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if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) { |
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switch (QMessageBox::warning(this, tr("Warning"), |
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tr("Some channel settings have been changed.\n\n" |
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"Do you want to apply the changes?"), |
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tr("Apply"), tr("Discard"), tr("Cancel"))) { |
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case 0: // Apply... |
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accept(); |
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return; |
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case 1: // Discard |
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break; |
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default: // Cancel. |
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bReject = false; |
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} |
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} |
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if (bReject) |
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QDialog::reject(); |
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} |
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// Browse and open an instrument file. |
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void qsamplerChannelForm::openInstrumentFile (void) |
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{ |
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qsamplerOptions *pOptions = m_pChannel->options(); |
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if (pOptions == NULL) |
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return; |
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// FIXME: the instrument file filters should be restricted, |
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// depending on the current engine. |
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QString sInstrumentFile = QFileDialog::getOpenFileName( |
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pOptions->sInstrumentDir, // Start here. |
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tr("Instrument files") + " (*.gig *.dls)", // Filter (GIG and DLS files) |
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this, 0, // Parent and name (none) |
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tr("Instrument files") // Caption. |
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); |
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if (sInstrumentFile.isEmpty()) |
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return; |
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InstrumentFileComboBox->setCurrentText(sInstrumentFile); |
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} |
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// Refresh the actual instrument name. |
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void qsamplerChannelForm::updateInstrumentName (void) |
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{ |
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// FIXME: A better idea would be to use libgig |
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// to retrieve the REAL instrument name. |
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InstrumentNameTextLabel->setText(QFileInfo(InstrumentFileComboBox->currentText()).fileName() |
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+ " [" + QString::number(InstrumentNrSpinBox->value()) + "]"); |
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optionsChanged(); |
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} |
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// Dirty up settings. |
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void qsamplerChannelForm::optionsChanged (void) |
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{ |
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if (m_iDirtySetup > 0) |
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return; |
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m_iDirtyCount++; |
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stabilizeForm(); |
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} |
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// Stabilize current form state. |
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void qsamplerChannelForm::stabilizeForm (void) |
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{ |
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const QString& sFilename = InstrumentFileComboBox->currentText(); |
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OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists()); |
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} |
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// end of qsamplerChannelForm.ui.h |
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