| 1 |
// qsamplerInstrumentForm.cpp |
| 2 |
// |
| 3 |
/**************************************************************************** |
| 4 |
Copyright (C) 2003-2007, rncbc aka Rui Nuno Capela. All rights reserved. |
| 5 |
Copyright (C) 2007, Christian Schoenebeck |
| 6 |
|
| 7 |
This program is free software; you can redistribute it and/or |
| 8 |
modify it under the terms of the GNU General Public License |
| 9 |
as published by the Free Software Foundation; either version 2 |
| 10 |
of the License, or (at your option) any later version. |
| 11 |
|
| 12 |
This program is distributed in the hope that it will be useful, |
| 13 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
GNU General Public License for more details. |
| 16 |
|
| 17 |
You should have received a copy of the GNU General Public License |
| 18 |
along with this program; if not, write to the Free Software |
| 19 |
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 |
|
| 21 |
*****************************************************************************/ |
| 22 |
|
| 23 |
#include "qsamplerInstrumentForm.h" |
| 24 |
|
| 25 |
#include "qsamplerAbout.h" |
| 26 |
#include "qsamplerMainForm.h" |
| 27 |
|
| 28 |
// Needed for lroundf() |
| 29 |
#include <math.h> |
| 30 |
|
| 31 |
namespace QSampler { |
| 32 |
|
| 33 |
#ifndef CONFIG_ROUND |
| 34 |
static inline long lroundf ( float x ) |
| 35 |
{ |
| 36 |
if (x >= 0.0f) |
| 37 |
return long(x + 0.5f); |
| 38 |
else |
| 39 |
return long(x - 0.5f); |
| 40 |
} |
| 41 |
#endif |
| 42 |
|
| 43 |
InstrumentForm::InstrumentForm(QWidget* parent) : QDialog(parent) { |
| 44 |
ui.setupUi(this); |
| 45 |
|
| 46 |
// Initialize locals. |
| 47 |
m_pInstrument = NULL; |
| 48 |
|
| 49 |
m_iDirtySetup = 0; |
| 50 |
m_iDirtyCount = 0; |
| 51 |
m_iDirtyName = 0; |
| 52 |
|
| 53 |
// Try to restore normal window positioning. |
| 54 |
adjustSize(); |
| 55 |
|
| 56 |
|
| 57 |
QObject::connect(ui.MapComboBox, |
| 58 |
SIGNAL(activated(int)), |
| 59 |
SLOT(changed())); |
| 60 |
QObject::connect(ui.BankSpinBox, |
| 61 |
SIGNAL(valueChanged(int)), |
| 62 |
SLOT(changed())); |
| 63 |
QObject::connect(ui.ProgSpinBox, |
| 64 |
SIGNAL(valueChanged(int)), |
| 65 |
SLOT(changed())); |
| 66 |
QObject::connect(ui.NameLineEdit, |
| 67 |
SIGNAL(textChanged(const QString&)), |
| 68 |
SLOT(nameChanged(const QString&))); |
| 69 |
QObject::connect(ui.EngineNameComboBox, |
| 70 |
SIGNAL(activated(int)), |
| 71 |
SLOT(changed())); |
| 72 |
QObject::connect(ui.InstrumentFileComboBox, |
| 73 |
SIGNAL(activated(const QString&)), |
| 74 |
SLOT(updateInstrumentName())); |
| 75 |
QObject::connect(ui.InstrumentFileToolButton, |
| 76 |
SIGNAL(clicked()), |
| 77 |
SLOT(openInstrumentFile())); |
| 78 |
QObject::connect(ui.InstrumentNrComboBox, |
| 79 |
SIGNAL(activated(int)), |
| 80 |
SLOT(instrumentNrChanged())); |
| 81 |
QObject::connect(ui.VolumeSpinBox, |
| 82 |
SIGNAL(valueChanged(int)), |
| 83 |
SLOT(changed())); |
| 84 |
QObject::connect(ui.LoadModeComboBox, |
| 85 |
SIGNAL(activated(int)), |
| 86 |
SLOT(changed())); |
| 87 |
QObject::connect(ui.OkPushButton, |
| 88 |
SIGNAL(clicked()), |
| 89 |
SLOT(accept())); |
| 90 |
QObject::connect(ui.CancelPushButton, |
| 91 |
SIGNAL(clicked()), |
| 92 |
SLOT(reject())); |
| 93 |
} |
| 94 |
|
| 95 |
InstrumentForm::~InstrumentForm() { |
| 96 |
} |
| 97 |
|
| 98 |
// Channel dialog setup formal initializer. |
| 99 |
void InstrumentForm::setup ( qsamplerInstrument *pInstrument ) |
| 100 |
{ |
| 101 |
m_pInstrument = pInstrument; |
| 102 |
|
| 103 |
m_iDirtySetup = 0; |
| 104 |
m_iDirtyCount = 0; |
| 105 |
m_iDirtyName = 0; |
| 106 |
|
| 107 |
if (m_pInstrument == NULL) |
| 108 |
return; |
| 109 |
|
| 110 |
// Check if we're up and connected. |
| 111 |
MainForm* pMainForm = MainForm::getInstance(); |
| 112 |
if (pMainForm == NULL) |
| 113 |
return; |
| 114 |
if (pMainForm->client() == NULL) |
| 115 |
return; |
| 116 |
|
| 117 |
qsamplerOptions *pOptions = pMainForm->options(); |
| 118 |
if (pOptions == NULL) |
| 119 |
return; |
| 120 |
|
| 121 |
// It can be a brand new channel, remember? |
| 122 |
bool bNew = (m_pInstrument->bank() < 0 || m_pInstrument->prog() < 0); |
| 123 |
if (!bNew) { |
| 124 |
m_pInstrument->getInstrument(); |
| 125 |
m_iDirtyName++; |
| 126 |
} |
| 127 |
|
| 128 |
// Avoid nested changes. |
| 129 |
m_iDirtySetup++; |
| 130 |
|
| 131 |
// Load combo box history... |
| 132 |
pOptions->loadComboBoxHistory(ui.InstrumentFileComboBox); |
| 133 |
|
| 134 |
// Populate maps list. |
| 135 |
ui.MapComboBox->clear(); |
| 136 |
ui.MapComboBox->insertStringList(qsamplerInstrument::getMapNames()); |
| 137 |
|
| 138 |
// Populate Engines list. |
| 139 |
const char **ppszEngines = ::lscp_list_available_engines(pMainForm->client()); |
| 140 |
if (ppszEngines) { |
| 141 |
ui.EngineNameComboBox->clear(); |
| 142 |
for (int iEngine = 0; ppszEngines[iEngine]; iEngine++) |
| 143 |
ui.EngineNameComboBox->insertItem(ppszEngines[iEngine]); |
| 144 |
} |
| 145 |
else pMainForm->appendMessagesClient("lscp_list_available_engines"); |
| 146 |
|
| 147 |
// Read proper instrument information, |
| 148 |
// and populate the instrument form fields. |
| 149 |
|
| 150 |
// Instrument map name... |
| 151 |
int iMap = (bNew ? pOptions->iMidiMap : m_pInstrument->map()); |
| 152 |
if (iMap < 0) |
| 153 |
iMap = 0; |
| 154 |
const QString& sMapName = qsamplerInstrument::getMapName(iMap); |
| 155 |
if (!sMapName.isEmpty()) |
| 156 |
ui.MapComboBox->setCurrentText(sMapName); |
| 157 |
// It might be no maps around... |
| 158 |
bool bMapEnabled = (ui.MapComboBox->count() > 0); |
| 159 |
ui.MapTextLabel->setEnabled(bMapEnabled); |
| 160 |
ui.MapComboBox->setEnabled(bMapEnabled); |
| 161 |
|
| 162 |
// Instrument bank/program... |
| 163 |
int iBank = (bNew ? pOptions->iMidiBank : m_pInstrument->bank()); |
| 164 |
int iProg = (bNew ? pOptions->iMidiProg : m_pInstrument->prog()) + 1; |
| 165 |
if (bNew && iProg > 128) { |
| 166 |
iProg = 1; |
| 167 |
iBank++; |
| 168 |
} |
| 169 |
ui.BankSpinBox->setValue(iBank); |
| 170 |
ui.ProgSpinBox->setValue(iProg); |
| 171 |
|
| 172 |
// Instrument name... |
| 173 |
ui.NameLineEdit->setText(m_pInstrument->name()); |
| 174 |
|
| 175 |
// Engine name... |
| 176 |
QString sEngineName = m_pInstrument->engineName(); |
| 177 |
if (sEngineName.isEmpty() || bNew) |
| 178 |
sEngineName = pOptions->sEngineName; |
| 179 |
if (sEngineName.isEmpty()) |
| 180 |
sEngineName = qsamplerChannel::noEngineName(); |
| 181 |
if (ui.EngineNameComboBox->findText(sEngineName, |
| 182 |
Qt::MatchExactly | Qt::MatchCaseSensitive) == 0) { |
| 183 |
ui.EngineNameComboBox->insertItem(sEngineName); |
| 184 |
} |
| 185 |
ui.EngineNameComboBox->setCurrentText(sEngineName); |
| 186 |
// Instrument filename and index... |
| 187 |
QString sInstrumentFile = m_pInstrument->instrumentFile(); |
| 188 |
if (sInstrumentFile.isEmpty()) |
| 189 |
sInstrumentFile = qsamplerChannel::noInstrumentName(); |
| 190 |
ui.InstrumentFileComboBox->setCurrentText(sInstrumentFile); |
| 191 |
ui.InstrumentNrComboBox->clear(); |
| 192 |
ui.InstrumentNrComboBox->insertStringList( |
| 193 |
qsamplerChannel::getInstrumentList(sInstrumentFile, |
| 194 |
pOptions->bInstrumentNames)); |
| 195 |
ui.InstrumentNrComboBox->setCurrentItem(m_pInstrument->instrumentNr()); |
| 196 |
|
| 197 |
// Instrument volume.... |
| 198 |
int iVolume = (bNew ? pOptions->iVolume : |
| 199 |
::lroundf(100.0f * m_pInstrument->volume())); |
| 200 |
ui.VolumeSpinBox->setValue(iVolume); |
| 201 |
|
| 202 |
// Instrument load mode... |
| 203 |
int iLoadMode = (bNew ? pOptions->iLoadMode : |
| 204 |
m_pInstrument->loadMode()); |
| 205 |
ui.LoadModeComboBox->setCurrentItem(iLoadMode); |
| 206 |
|
| 207 |
// Done. |
| 208 |
m_iDirtySetup--; |
| 209 |
stabilizeForm(); |
| 210 |
|
| 211 |
// Done. |
| 212 |
m_iDirtySetup--; |
| 213 |
stabilizeForm(); |
| 214 |
} |
| 215 |
|
| 216 |
|
| 217 |
// Special case for name change, |
| 218 |
void InstrumentForm::nameChanged ( const QString& /* sName */ ) |
| 219 |
{ |
| 220 |
if (m_iDirtySetup > 0) |
| 221 |
return; |
| 222 |
|
| 223 |
m_iDirtyName++; |
| 224 |
changed(); |
| 225 |
} |
| 226 |
|
| 227 |
|
| 228 |
// Browse and open an instrument file. |
| 229 |
void InstrumentForm::openInstrumentFile (void) |
| 230 |
{ |
| 231 |
MainForm* pMainForm = MainForm::getInstance(); |
| 232 |
if (pMainForm == NULL) |
| 233 |
return; |
| 234 |
|
| 235 |
qsamplerOptions *pOptions = pMainForm->options(); |
| 236 |
if (pOptions == NULL) |
| 237 |
return; |
| 238 |
|
| 239 |
// FIXME: the instrument file filters should be restricted, |
| 240 |
// depending on the current engine. |
| 241 |
QString sInstrumentFile = QFileDialog::getOpenFileName( |
| 242 |
pOptions->sInstrumentDir, // Start here. |
| 243 |
tr("Instrument files") + " (*.gig *.dls)", // Filter (GIG and DLS files) |
| 244 |
this, 0, // Parent and name (none) |
| 245 |
QSAMPLER_TITLE ": " + tr("Instrument files")// Caption. |
| 246 |
); |
| 247 |
|
| 248 |
if (sInstrumentFile.isEmpty()) |
| 249 |
return; |
| 250 |
|
| 251 |
ui.InstrumentFileComboBox->setCurrentText(sInstrumentFile); |
| 252 |
updateInstrumentName(); |
| 253 |
} |
| 254 |
|
| 255 |
|
| 256 |
// Refresh the actual instrument name. |
| 257 |
void InstrumentForm::updateInstrumentName (void) |
| 258 |
{ |
| 259 |
MainForm* pMainForm = MainForm::getInstance(); |
| 260 |
if (pMainForm == NULL) |
| 261 |
return; |
| 262 |
|
| 263 |
qsamplerOptions *pOptions = pMainForm->options(); |
| 264 |
if (pOptions == NULL) |
| 265 |
return; |
| 266 |
|
| 267 |
// TODO: this better idea would be to use libgig |
| 268 |
// to retrieve the REAL instrument names. |
| 269 |
ui.InstrumentNrComboBox->clear(); |
| 270 |
ui.InstrumentNrComboBox->insertStringList( |
| 271 |
qsamplerChannel::getInstrumentList( |
| 272 |
ui.InstrumentFileComboBox->currentText(), |
| 273 |
pOptions->bInstrumentNames) |
| 274 |
); |
| 275 |
|
| 276 |
instrumentNrChanged(); |
| 277 |
} |
| 278 |
|
| 279 |
|
| 280 |
// Special case for instrumnet index change, |
| 281 |
void InstrumentForm::instrumentNrChanged (void) |
| 282 |
{ |
| 283 |
if (m_iDirtySetup > 0) |
| 284 |
return; |
| 285 |
|
| 286 |
if (ui.NameLineEdit->text().isEmpty() || m_iDirtyName == 0) { |
| 287 |
ui.NameLineEdit->setText(ui.InstrumentNrComboBox->currentText()); |
| 288 |
m_iDirtyName = 0; |
| 289 |
} |
| 290 |
|
| 291 |
changed(); |
| 292 |
} |
| 293 |
|
| 294 |
|
| 295 |
// Accept settings (OK button slot). |
| 296 |
void InstrumentForm::accept (void) |
| 297 |
{ |
| 298 |
if (m_pInstrument == NULL) |
| 299 |
return; |
| 300 |
|
| 301 |
MainForm* pMainForm = MainForm::getInstance(); |
| 302 |
if (pMainForm == NULL) |
| 303 |
return; |
| 304 |
if (pMainForm->client() == NULL) |
| 305 |
return; |
| 306 |
|
| 307 |
qsamplerOptions *pOptions = pMainForm->options(); |
| 308 |
if (pOptions == NULL) |
| 309 |
return; |
| 310 |
|
| 311 |
if (m_iDirtyCount > 0) { |
| 312 |
m_pInstrument->setMap(ui.MapComboBox->currentItem()); |
| 313 |
m_pInstrument->setBank(ui.BankSpinBox->value()); |
| 314 |
m_pInstrument->setProg(ui.ProgSpinBox->value() - 1); |
| 315 |
m_pInstrument->setName(ui.NameLineEdit->text()); |
| 316 |
m_pInstrument->setEngineName(ui.EngineNameComboBox->currentText()); |
| 317 |
m_pInstrument->setInstrumentFile(ui.InstrumentFileComboBox->currentText()); |
| 318 |
m_pInstrument->setInstrumentNr(ui.InstrumentNrComboBox->currentItem()); |
| 319 |
m_pInstrument->setVolume(0.01f * float(ui.VolumeSpinBox->value())); |
| 320 |
m_pInstrument->setLoadMode(ui.LoadModeComboBox->currentItem()); |
| 321 |
} |
| 322 |
|
| 323 |
// Save default engine name, instrument directory and history... |
| 324 |
pOptions->sInstrumentDir = QFileInfo(ui.InstrumentFileComboBox->currentText()).dirPath(true); |
| 325 |
pOptions->sEngineName = ui.EngineNameComboBox->currentText(); |
| 326 |
pOptions->iMidiMap = ui.MapComboBox->currentItem(); |
| 327 |
pOptions->iMidiBank = ui.BankSpinBox->value(); |
| 328 |
pOptions->iMidiProg = ui.ProgSpinBox->value(); |
| 329 |
pOptions->iVolume = ui.VolumeSpinBox->value(); |
| 330 |
pOptions->iLoadMode = ui.LoadModeComboBox->currentItem(); |
| 331 |
pOptions->saveComboBoxHistory(ui.InstrumentFileComboBox); |
| 332 |
|
| 333 |
// Just go with dialog acceptance. |
| 334 |
QDialog::accept(); |
| 335 |
} |
| 336 |
|
| 337 |
|
| 338 |
// Reject settings (Cancel button slot). |
| 339 |
void InstrumentForm::reject (void) |
| 340 |
{ |
| 341 |
bool bReject = true; |
| 342 |
|
| 343 |
// Check if there's any pending changes... |
| 344 |
if (m_iDirtyCount > 0 && ui.OkPushButton->isEnabled()) { |
| 345 |
switch (QMessageBox::warning(this, |
| 346 |
QSAMPLER_TITLE ": " + tr("Warning"), |
| 347 |
tr("Some channel settings have been changed.\n\n" |
| 348 |
"Do you want to apply the changes?"), |
| 349 |
tr("Apply"), tr("Discard"), tr("Cancel"))) { |
| 350 |
case 0: // Apply... |
| 351 |
accept(); |
| 352 |
return; |
| 353 |
case 1: // Discard |
| 354 |
break; |
| 355 |
default: // Cancel. |
| 356 |
bReject = false; |
| 357 |
break; |
| 358 |
} |
| 359 |
} |
| 360 |
|
| 361 |
if (bReject) |
| 362 |
QDialog::reject(); |
| 363 |
} |
| 364 |
|
| 365 |
|
| 366 |
// Dirty up settings. |
| 367 |
void InstrumentForm::changed (void) |
| 368 |
{ |
| 369 |
if (m_iDirtySetup > 0) |
| 370 |
return; |
| 371 |
|
| 372 |
m_iDirtyCount++; |
| 373 |
stabilizeForm(); |
| 374 |
} |
| 375 |
|
| 376 |
|
| 377 |
// Stabilize current form state. |
| 378 |
void InstrumentForm::stabilizeForm (void) |
| 379 |
{ |
| 380 |
bool bValid = !ui.NameLineEdit->text().isEmpty(); |
| 381 |
|
| 382 |
const QString& sPath = ui.InstrumentFileComboBox->currentText(); |
| 383 |
bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists(); |
| 384 |
|
| 385 |
ui.OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid); |
| 386 |
} |
| 387 |
|
| 388 |
} // namespace QSampler |
| 389 |
|
| 390 |
|
| 391 |
// end of qsamplerInstrumentForm.cpp |
Parent Directory
| 
Revision Log