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- Committer: Bazaar Package Importer
- Author(s): Free Ekanayaka
- Date: 2008-08-28 08:43:21 UTC
- mfrom: (1.1.1 upstream) (2.1.2 hardy)
- Revision ID: james.westby@ubuntu.com-20080828084321-guq8v04yg31co9gm
Tags: 0.2.1-1
* New upstream release
* Uploaded to Debian (Closes: #280576)
* Uploaded to Debian (Closes: #280576)
- files added:
- configure.ac
- debian/patches
- files removed:
- configure.in
- files modified:
- AUTHORS
added
removed
src/qsamplerInstrumentForm.cpp
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// qsamplerInstrumentForm.cpp
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//
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/****************************************************************************
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Copyright (C) 2003-2007, rncbc aka Rui Nuno Capela. All rights reserved.
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Copyright (C) 2007, Christian Schoenebeck
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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 "qsamplerAbout.h"
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#include "qsamplerInstrumentForm.h"
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#include "qsamplerOptions.h"
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#include "qsamplerChannel.h"
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#include "qsamplerMainForm.h"
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#include <QFileDialog>
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#include <QMessageBox>
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// Needed for lroundf()
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#include <math.h>
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#ifndef CONFIG_ROUND
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static inline long lroundf ( float x )
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{
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if (x >= 0.0f)
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return long(x + 0.5f);
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else
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return long(x - 0.5f);
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}
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#endif
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namespace QSampler {
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//-------------------------------------------------------------------------
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// QSampler::InstrumentForm -- Instrument map item form implementation.
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//
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InstrumentForm::InstrumentForm ( QWidget* pParent )
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: QDialog(pParent)
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{
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m_ui.setupUi(this);
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// Initialize locals.
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m_pInstrument = NULL;
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m_iDirtySetup = 0;
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m_iDirtyCount = 0;
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m_iDirtyName = 0;
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// Try to restore normal window positioning.
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adjustSize();
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QObject::connect(m_ui.MapComboBox,
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SIGNAL(activated(int)),
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SLOT(changed()));
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QObject::connect(m_ui.BankSpinBox,
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SIGNAL(valueChanged(int)),
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SLOT(changed()));
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QObject::connect(m_ui.ProgSpinBox,
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SIGNAL(valueChanged(int)),
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SLOT(changed()));
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QObject::connect(m_ui.NameLineEdit,
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SIGNAL(textChanged(const QString&)),
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SLOT(nameChanged(const QString&)));
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QObject::connect(m_ui.EngineNameComboBox,
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SIGNAL(activated(int)),
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SLOT(changed()));
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QObject::connect(m_ui.InstrumentFileComboBox,
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SIGNAL(activated(const QString&)),
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SLOT(updateInstrumentName()));
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QObject::connect(m_ui.InstrumentFileToolButton,
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SIGNAL(clicked()),
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SLOT(openInstrumentFile()));
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QObject::connect(m_ui.InstrumentNrComboBox,
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SIGNAL(activated(int)),
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SLOT(instrumentNrChanged()));
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QObject::connect(m_ui.VolumeSpinBox,
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SIGNAL(valueChanged(int)),
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SLOT(changed()));
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QObject::connect(m_ui.LoadModeComboBox,
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SIGNAL(activated(int)),
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SLOT(changed()));
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QObject::connect(m_ui.OkPushButton,
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SIGNAL(clicked()),
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SLOT(accept()));
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QObject::connect(m_ui.CancelPushButton,
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SIGNAL(clicked()),
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SLOT(reject()));
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}
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InstrumentForm::~InstrumentForm (void)
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{
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}
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// Channel dialog setup formal initializer.
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void InstrumentForm::setup ( Instrument *pInstrument )
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{
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m_pInstrument = pInstrument;
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m_iDirtySetup = 0;
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m_iDirtyCount = 0;
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m_iDirtyName = 0;
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if (m_pInstrument == NULL)
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return;
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// Check if we're up and connected.
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MainForm* pMainForm = MainForm::getInstance();
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if (pMainForm == NULL)
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return;
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if (pMainForm->client() == NULL)
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return;
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Options *pOptions = pMainForm->options();
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if (pOptions == NULL)
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return;
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// It can be a brand new channel, remember?
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bool bNew = (m_pInstrument->bank() < 0 || m_pInstrument->prog() < 0);
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if (!bNew) {
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m_pInstrument->getInstrument();
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m_iDirtyName++;
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}
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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(m_ui.InstrumentFileComboBox);
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// Populate maps list.
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m_ui.MapComboBox->clear();
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m_ui.MapComboBox->insertItems(0, Instrument::getMapNames());
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// Populate Engines list.
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const char **ppszEngines
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= ::lscp_list_available_engines(pMainForm->client());
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if (ppszEngines) {
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m_ui.EngineNameComboBox->clear();
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for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
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m_ui.EngineNameComboBox->addItem(ppszEngines[iEngine]);
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}
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else pMainForm->appendMessagesClient("lscp_list_available_engines");
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// Read proper instrument information,
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// and populate the instrument form fields.
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// Instrument map name...
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int iMap = (bNew ? pOptions->iMidiMap : m_pInstrument->map());
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if (iMap < 0)
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iMap = 0;
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const QString& sMapName = Instrument::getMapName(iMap);
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if (!sMapName.isEmpty()) {
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m_ui.MapComboBox->setCurrentIndex(
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m_ui.MapComboBox->findText(sMapName,
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Qt::MatchExactly | Qt::MatchCaseSensitive));
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}
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// It might be no maps around...
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bool bMapEnabled = (m_ui.MapComboBox->count() > 0);
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m_ui.MapTextLabel->setEnabled(bMapEnabled);
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m_ui.MapComboBox->setEnabled(bMapEnabled);
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// Instrument bank/program...
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int iBank = (bNew ? pOptions->iMidiBank : m_pInstrument->bank());
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int iProg = (bNew ? pOptions->iMidiProg : m_pInstrument->prog()) + 1;
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if (bNew && iProg > 128) {
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iProg = 1;
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iBank++;
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}
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m_ui.BankSpinBox->setValue(iBank);
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m_ui.ProgSpinBox->setValue(iProg);
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// Instrument name...
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m_ui.NameLineEdit->setText(m_pInstrument->name());
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// Engine name...
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QString sEngineName = m_pInstrument->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 = Channel::noEngineName();
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if (m_ui.EngineNameComboBox->findText(sEngineName,
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Qt::MatchExactly | Qt::MatchCaseSensitive) < 0) {
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m_ui.EngineNameComboBox->addItem(sEngineName);
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}
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m_ui.EngineNameComboBox->setCurrentIndex(
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m_ui.EngineNameComboBox->findText(sEngineName,
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Qt::MatchExactly | Qt::MatchCaseSensitive));
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// Instrument filename and index...
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QString sInstrumentFile = m_pInstrument->instrumentFile();
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if (sInstrumentFile.isEmpty())
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sInstrumentFile = Channel::noInstrumentName();
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m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile);
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m_ui.InstrumentNrComboBox->clear();
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m_ui.InstrumentNrComboBox->insertItems(0,
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Channel::getInstrumentList(sInstrumentFile,
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pOptions->bInstrumentNames));
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m_ui.InstrumentNrComboBox->setCurrentIndex(m_pInstrument->instrumentNr());
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// Instrument volume....
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int iVolume = (bNew ? pOptions->iVolume :
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::lroundf(100.0f * m_pInstrument->volume()));
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m_ui.VolumeSpinBox->setValue(iVolume);
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// Instrument load mode...
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int iLoadMode = (bNew ? pOptions->iLoadMode :
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m_pInstrument->loadMode());
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m_ui.LoadModeComboBox->setCurrentIndex(iLoadMode);
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// Done.
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m_iDirtySetup--;
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stabilizeForm();
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// Done.
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m_iDirtySetup--;
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stabilizeForm();
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}
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// Special case for name change,
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void InstrumentForm::nameChanged ( const QString& /* sName */ )
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{
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if (m_iDirtySetup > 0)
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return;
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m_iDirtyName++;
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changed();
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}
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// Browse and open an instrument file.
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void InstrumentForm::openInstrumentFile (void)
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{
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MainForm* pMainForm = MainForm::getInstance();
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if (pMainForm == NULL)
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return;
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Options *pOptions = pMainForm->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(this,
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QSAMPLER_TITLE ": " + tr("Instrument files"), // Caption.
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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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);
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if (sInstrumentFile.isEmpty())
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return;
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m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile);
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updateInstrumentName();
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}
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// Refresh the actual instrument name.
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void InstrumentForm::updateInstrumentName (void)
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{
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MainForm* pMainForm = MainForm::getInstance();
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if (pMainForm == NULL)
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return;
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Options *pOptions = pMainForm->options();
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if (pOptions == NULL)
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return;
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// TODO: this better idea would be to use libgig
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// to retrieve the REAL instrument names.
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m_ui.InstrumentNrComboBox->clear();
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m_ui.InstrumentNrComboBox->insertItems(0,
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Channel::getInstrumentList(
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m_ui.InstrumentFileComboBox->currentText(),
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pOptions->bInstrumentNames)
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);
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instrumentNrChanged();
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}
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// Special case for instrumnet index change,
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void InstrumentForm::instrumentNrChanged (void)
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{
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if (m_iDirtySetup > 0)
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return;
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if (m_ui.NameLineEdit->text().isEmpty() || m_iDirtyName == 0) {
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m_ui.NameLineEdit->setText(m_ui.InstrumentNrComboBox->currentText());
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m_iDirtyName = 0;
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}
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changed();
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}
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// Accept settings (OK button slot).
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void InstrumentForm::accept (void)
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{
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if (m_pInstrument == NULL)
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return;
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MainForm* pMainForm = MainForm::getInstance();
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if (pMainForm == NULL)
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return;
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if (pMainForm->client() == NULL)
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return;
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Options *pOptions = pMainForm->options();
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if (pOptions == NULL)
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return;
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if (m_iDirtyCount > 0) {
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m_pInstrument->setMap(m_ui.MapComboBox->currentIndex());
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m_pInstrument->setBank(m_ui.BankSpinBox->value());
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m_pInstrument->setProg(m_ui.ProgSpinBox->value() - 1);
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m_pInstrument->setName(m_ui.NameLineEdit->text());
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m_pInstrument->setEngineName(m_ui.EngineNameComboBox->currentText());
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m_pInstrument->setInstrumentFile(m_ui.InstrumentFileComboBox->currentText());
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m_pInstrument->setInstrumentNr(m_ui.InstrumentNrComboBox->currentIndex());
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m_pInstrument->setVolume(0.01f * float(m_ui.VolumeSpinBox->value()));
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m_pInstrument->setLoadMode(m_ui.LoadModeComboBox->currentIndex());
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}
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// Save default engine name, instrument directory and history...
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pOptions->sInstrumentDir = QFileInfo(
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m_ui.InstrumentFileComboBox->currentText()).dir().absolutePath();
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pOptions->sEngineName = m_ui.EngineNameComboBox->currentText();
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pOptions->iMidiMap = m_ui.MapComboBox->currentIndex();
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pOptions->iMidiBank = m_ui.BankSpinBox->value();
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pOptions->iMidiProg = m_ui.ProgSpinBox->value();
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pOptions->iVolume = m_ui.VolumeSpinBox->value();
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pOptions->iLoadMode = m_ui.LoadModeComboBox->currentIndex();
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pOptions->saveComboBoxHistory(m_ui.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 InstrumentForm::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 && m_ui.OkPushButton->isEnabled()) {
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switch (QMessageBox::warning(this,
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QSAMPLER_TITLE ": " + 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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break;
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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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// Dirty up settings.
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void InstrumentForm::changed (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 InstrumentForm::stabilizeForm (void)
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{
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bool bValid =
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!m_ui.NameLineEdit->text().isEmpty() &&
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m_ui.EngineNameComboBox->currentIndex() >= 0 &&
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m_ui.EngineNameComboBox->currentText() !=
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Channel::noEngineName();
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const QString& sPath = m_ui.InstrumentFileComboBox->currentText();
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bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();
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m_ui.OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
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}
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} // namespace QSampler
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// end of qsamplerInstrumentForm.cpp
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