/[svn]/qsampler/trunk/src/qsamplerChannelForm.cpp
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Contents of /qsampler/trunk/src/qsamplerChannelForm.cpp

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Revision 1710 - (show annotations) (download)
Tue Feb 26 16:00:00 2008 UTC (11 years, 10 months ago) by schoenebeck
File size: 24179 byte(s)
* bugfix in sampler channel dialog: driver combo boxes' content were
  screwed
* bumped version to 0.2.1.13

1 // qsamplerChannelForm.cpp
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.
5 Copyright (C) 2007, 2008 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 along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20
21 *****************************************************************************/
22
23 #include "qsamplerChannelForm.h"
24
25 #include "qsamplerAbout.h"
26 #include "qsamplerDeviceForm.h"
27
28 #include "qsamplerMainForm.h"
29 #include "qsamplerInstrument.h"
30
31 #include <QValidator>
32 #include <QMessageBox>
33 #include <QFileDialog>
34 #include <QFileInfo>
35
36 #include <QHeaderView>
37
38
39 namespace QSampler {
40
41 //-------------------------------------------------------------------------
42 // QSampler::Channelform -- Channel form implementation.
43 //
44
45 ChannelForm::ChannelForm ( QWidget* pParent )
46 : QDialog(pParent)
47 {
48 m_ui.setupUi(this);
49
50 // Initialize locals.
51 m_pChannel = NULL;
52
53 m_iDirtySetup = 0;
54 m_iDirtyCount = 0;
55
56 // m_midiDevices.setAutoDelete(true);
57 // m_audioDevices.setAutoDelete(true);
58
59 m_pDeviceForm = NULL;
60
61 int iRowHeight = m_ui.AudioRoutingTable->fontMetrics().height() + 4;
62 m_ui.AudioRoutingTable->verticalHeader()->setDefaultSectionSize(iRowHeight);
63 m_ui.AudioRoutingTable->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft);
64
65 m_ui.AudioRoutingTable->setModel(&m_routingModel);
66 m_ui.AudioRoutingTable->setItemDelegate(&m_routingDelegate);
67 m_ui.AudioRoutingTable->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
68 // m_ui.AudioRoutingTable->verticalHeader()->hide();
69
70 // This goes initially hidden, and will be shown
71 // on setup() for currently existing channels...
72 m_ui.AudioRoutingTable->hide();
73
74 // Try to restore normal window positioning.
75 adjustSize();
76
77 QObject::connect(m_ui.EngineNameComboBox,
78 SIGNAL(activated(int)),
79 SLOT(optionsChanged()));
80 QObject::connect(m_ui.InstrumentFileComboBox,
81 SIGNAL(activated(const QString&)),
82 SLOT(updateInstrumentName()));
83 QObject::connect(m_ui.InstrumentFileToolButton,
84 SIGNAL(clicked()),
85 SLOT(openInstrumentFile()));
86 QObject::connect(m_ui.InstrumentNrComboBox,
87 SIGNAL(activated(int)),
88 SLOT(optionsChanged()));
89 QObject::connect(m_ui.MidiDriverComboBox,
90 SIGNAL(activated(const QString&)),
91 SLOT(selectMidiDriver(const QString&)));
92 QObject::connect(m_ui.MidiDeviceComboBox,
93 SIGNAL(activated(int)),
94 SLOT(selectMidiDevice(int)));
95 QObject::connect(m_ui.MidiPortSpinBox,
96 SIGNAL(valueChanged(int)),
97 SLOT(optionsChanged()));
98 QObject::connect(m_ui.MidiChannelComboBox,
99 SIGNAL(activated(int)),
100 SLOT(optionsChanged()));
101 QObject::connect(m_ui.MidiMapComboBox,
102 SIGNAL(activated(int)),
103 SLOT(optionsChanged()));
104 QObject::connect(m_ui.AudioDriverComboBox,
105 SIGNAL(activated(const QString&)),
106 SLOT(selectAudioDriver(const QString&)));
107 QObject::connect(m_ui.AudioDeviceComboBox,
108 SIGNAL(activated(int)),
109 SLOT(selectAudioDevice(int)));
110 QObject::connect(m_ui.OkPushButton,
111 SIGNAL(clicked()),
112 SLOT(accept()));
113 QObject::connect(m_ui.CancelPushButton,
114 SIGNAL(clicked()),
115 SLOT(reject()));
116 QObject::connect(m_ui.MidiDeviceToolButton,
117 SIGNAL(clicked()),
118 SLOT(setupMidiDevice()));
119 QObject::connect(m_ui.AudioDeviceToolButton,
120 SIGNAL(clicked()),
121 SLOT(setupAudioDevice()));
122 QObject::connect(&m_routingModel,
123 SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
124 SLOT(optionsChanged()));
125 QObject::connect(&m_routingModel,
126 SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
127 SLOT(updateTableCellRenderers(const QModelIndex&, const QModelIndex&)));
128 QObject::connect(&m_routingModel,
129 SIGNAL(modelReset()),
130 SLOT(updateTableCellRenderers()));
131 }
132
133 ChannelForm::~ChannelForm()
134 {
135 if (m_pDeviceForm)
136 delete m_pDeviceForm;
137 m_pDeviceForm = NULL;
138
139 qDeleteAll(m_midiDevices);
140 m_midiDevices.clear();
141
142 qDeleteAll(m_audioDevices);
143 m_audioDevices.clear();
144 }
145
146
147 // Channel dialog setup formal initializer.
148 void ChannelForm::setup ( Channel *pChannel )
149 {
150 m_pChannel = pChannel;
151
152 m_iDirtySetup = 0;
153 m_iDirtyCount = 0;
154
155 if (m_pChannel == NULL)
156 return;
157
158 // It can be a brand new channel, remember?
159 const bool bNew = (m_pChannel->channelID() < 0);
160 setWindowTitle(QSAMPLER_TITLE ": " + m_pChannel->channelName());
161
162 // Check if we're up and connected.
163 MainForm *pMainForm = MainForm::getInstance();
164 if (pMainForm == NULL)
165 return;
166 if (pMainForm->client() == NULL)
167 return;
168
169 Options *pOptions = pMainForm->options();
170 if (pOptions == NULL)
171 return;
172
173 // Avoid nested changes.
174 m_iDirtySetup++;
175
176 // Load combo box history...
177 pOptions->loadComboBoxHistory(m_ui.InstrumentFileComboBox);
178
179 // Populate Engines list.
180 const char **ppszEngines = ::lscp_list_available_engines(pMainForm->client());
181 if (ppszEngines) {
182 m_ui.EngineNameComboBox->clear();
183 for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
184 m_ui.EngineNameComboBox->addItem(QString(ppszEngines[iEngine]));
185 }
186 else m_pChannel->appendMessagesClient("lscp_list_available_engines");
187
188 // Populate Audio output type list.
189 m_ui.AudioDriverComboBox->clear();
190 m_ui.AudioDriverComboBox->insertItems(0,
191 Device::getDrivers(pMainForm->client(), Device::Audio));
192
193 // Populate MIDI input type list.
194 m_ui.MidiDriverComboBox->clear();
195 m_ui.MidiDriverComboBox->insertItems(0,
196 Device::getDrivers(pMainForm->client(), Device::Midi));
197
198 // Populate Maps list.
199 m_ui.MidiMapComboBox->clear();
200 m_ui.MidiMapComboBox->insertItems(0,
201 Instrument::getMapNames());
202
203 // Read proper channel information,
204 // and populate the channel form fields.
205
206 // Engine name...
207 QString sEngineName = pChannel->engineName();
208 if (sEngineName.isEmpty() || bNew)
209 sEngineName = pOptions->sEngineName;
210 if (sEngineName.isEmpty())
211 sEngineName = Channel::noEngineName();
212 if (m_ui.EngineNameComboBox->findText(sEngineName,
213 Qt::MatchExactly | Qt::MatchCaseSensitive) < 0) {
214 m_ui.EngineNameComboBox->addItem(sEngineName);
215 }
216 m_ui.EngineNameComboBox->setCurrentIndex(
217 m_ui.EngineNameComboBox->findText(sEngineName,
218 Qt::MatchExactly | Qt::MatchCaseSensitive));
219
220 // Instrument filename and index...
221 QString sInstrumentFile = pChannel->instrumentFile();
222 if (sInstrumentFile.isEmpty())
223 sInstrumentFile = Channel::noInstrumentName();
224 m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile);
225 m_ui.InstrumentNrComboBox->clear();
226 m_ui.InstrumentNrComboBox->insertItems(0,
227 Channel::getInstrumentList(sInstrumentFile,
228 pOptions->bInstrumentNames));
229 int iInstrumentNr = pChannel->instrumentNr();
230 if (iInstrumentNr < 0)
231 iInstrumentNr = 0;
232 m_ui.InstrumentNrComboBox->setCurrentIndex(iInstrumentNr);
233
234 // MIDI input device...
235 Device midiDevice(Device::Midi, m_pChannel->midiDevice());
236 // MIDI input driver...
237 QString sMidiDriver = midiDevice.driverName();
238 if (sMidiDriver.isEmpty() || bNew)
239 sMidiDriver = pOptions->sMidiDriver.toUpper();
240 if (!sMidiDriver.isEmpty()) {
241 if (m_ui.MidiDriverComboBox->findText(sMidiDriver,
242 Qt::MatchExactly | Qt::MatchCaseSensitive) < 0) {
243 m_ui.MidiDriverComboBox->insertItem(0, sMidiDriver);
244 }
245 m_ui.MidiDriverComboBox->setCurrentIndex(
246 m_ui.MidiDriverComboBox->findText(sMidiDriver,
247 Qt::MatchExactly | Qt::MatchCaseSensitive)
248 );
249 }
250 selectMidiDriverItem(sMidiDriver);
251 if (!bNew) {
252 m_ui.MidiDeviceComboBox->setItemText(
253 m_ui.MidiDeviceComboBox->currentIndex(),
254 midiDevice.deviceName());
255 }
256 selectMidiDeviceItem(m_ui.MidiDeviceComboBox->currentIndex());
257 // MIDI input port...
258 m_ui.MidiPortSpinBox->setValue(pChannel->midiPort());
259 // MIDI input channel...
260 int iMidiChannel = pChannel->midiChannel();
261 // When new, try to suggest a sensible MIDI channel...
262 if (iMidiChannel < 0)
263 iMidiChannel = (::lscp_get_channels(pMainForm->client()) % 16);
264 m_ui.MidiChannelComboBox->setCurrentIndex(iMidiChannel);
265 // MIDI instrument map...
266 int iMidiMap = (bNew ? pOptions->iMidiMap : pChannel->midiMap());
267 // When new, try to suggest a sensible MIDI map...
268 if (iMidiMap < 0)
269 iMidiMap = 0;
270 const QString& sMapName = Instrument::getMapName(iMidiMap);
271 if (!sMapName.isEmpty()) {
272 m_ui.MidiMapComboBox->setItemText(
273 m_ui.MidiMapComboBox->currentIndex(),
274 sMapName);
275 }
276 // It might be no maps around...
277 bool bMidiMapEnabled = (m_ui.MidiMapComboBox->count() > 0);
278 m_ui.MidiMapTextLabel->setEnabled(bMidiMapEnabled);
279 m_ui.MidiMapComboBox->setEnabled(bMidiMapEnabled);
280
281 // Audio output device...
282 Device audioDevice(Device::Audio, m_pChannel->audioDevice());
283 // Audio output driver...
284 QString sAudioDriver = audioDevice.driverName();
285 if (sAudioDriver.isEmpty() || bNew)
286 sAudioDriver = pOptions->sAudioDriver.toUpper();
287 if (!sAudioDriver.isEmpty()) {
288 if (m_ui.AudioDriverComboBox->findText(sAudioDriver,
289 Qt::MatchExactly | Qt::MatchCaseSensitive) < 0) {
290 m_ui.AudioDriverComboBox->insertItem(0, sAudioDriver);
291 }
292 m_ui.AudioDriverComboBox->setCurrentIndex(
293 m_ui.AudioDriverComboBox->findText(sAudioDriver,
294 Qt::MatchExactly | Qt::MatchCaseSensitive)
295 );
296 }
297 selectAudioDriverItem(sAudioDriver);
298 if (!bNew) {
299 m_ui.AudioDeviceComboBox->setItemText(
300 m_ui.AudioDeviceComboBox->currentIndex(),
301 audioDevice.deviceName());
302 }
303 selectAudioDeviceItem(m_ui.AudioDeviceComboBox->currentIndex());
304
305 // Let the audio routing table see the light,
306 // if we're editing an existing sampler channel...
307 m_ui.AudioRoutingTable->setVisible(!bNew);
308
309 const QString sInstrumentNrToolTip =
310 (pOptions->bInstrumentNames) ?
311 "Select an instrument of the file" :
312 "You might want to enable instrument name retrieval in the "
313 "settings dialog";
314 m_ui.InstrumentNrComboBox->setToolTip(
315 QObject::tr(sInstrumentNrToolTip.toUtf8().data())
316 );
317
318 // As convenient, make it ready on stabilizeForm() for
319 // prompt acceptance, if we got the minimum required...
320 /* if (sEngineName != Channel::noEngineName() &&
321 sInstrumentFile != Channel::noInstrumentName())
322 m_iDirtyCount++; */
323 // Done.
324 m_iDirtySetup--;
325 stabilizeForm();
326 }
327
328
329 // Accept settings (OK button slot).
330 void ChannelForm::accept (void)
331 {
332 if (m_pChannel == NULL)
333 return;
334
335 MainForm *pMainForm = MainForm::getInstance();
336 if (pMainForm == NULL)
337 return;
338 if (pMainForm->client() == NULL)
339 return;
340
341 Options *pOptions = pMainForm->options();
342 if (pOptions == NULL)
343 return;
344
345 // Flush any pending editing...
346 //m_ui.AudioRoutingTable->flush();
347
348 // We'll go for it!
349 if (m_iDirtyCount > 0) {
350 int iErrors = 0;
351 // Are we a new channel?
352 if (!m_pChannel->addChannel())
353 iErrors++;
354 // Accept Audio driver or device selection...
355 if (m_audioDevices.isEmpty()) {
356 if (!m_pChannel->setAudioDriver(m_ui.AudioDriverComboBox->currentText()))
357 iErrors++;
358 } else {
359 Device *pDevice = NULL;
360 int iAudioItem = m_ui.AudioDeviceComboBox->currentIndex();
361 if (iAudioItem >= 0 && iAudioItem < m_audioDevices.count())
362 pDevice = m_audioDevices.at(iAudioItem);
363 ChannelRoutingMap routingMap = m_routingModel.routingMap();
364 if (pDevice == NULL)
365 iErrors++;
366 else if (!m_pChannel->setAudioDevice(pDevice->deviceID()))
367 iErrors++;
368 else if (!routingMap.isEmpty()) {
369 // Set the audio route changes...
370 ChannelRoutingMap::ConstIterator iter;
371 for (iter = routingMap.begin();
372 iter != routingMap.end(); ++iter) {
373 if (!m_pChannel->setAudioChannel(iter.key(), iter.value()))
374 iErrors++;
375 }
376 }
377 }
378 // Accept MIDI driver or device selection...
379 if (m_midiDevices.isEmpty()) {
380 if (!m_pChannel->setMidiDriver(m_ui.MidiDriverComboBox->currentText()))
381 iErrors++;
382 } else {
383 Device *pDevice = NULL;
384 int iMidiItem = m_ui.MidiDeviceComboBox->currentIndex();
385 if (iMidiItem >= 0 && iMidiItem < m_midiDevices.count())
386 pDevice = m_midiDevices.at(iMidiItem);
387 if (pDevice == NULL)
388 iErrors++;
389 else if (!m_pChannel->setMidiDevice(pDevice->deviceID()))
390 iErrors++;
391 }
392 // MIDI input port number...
393 if (!m_pChannel->setMidiPort(m_ui.MidiPortSpinBox->value()))
394 iErrors++;
395 // MIDI input channel...
396 if (!m_pChannel->setMidiChannel(m_ui.MidiChannelComboBox->currentIndex()))
397 iErrors++;
398 // Engine name...
399 if (!m_pChannel->loadEngine(m_ui.EngineNameComboBox->currentText()))
400 iErrors++;
401 // Instrument file and index...
402 const QString& sPath = m_ui.InstrumentFileComboBox->currentText();
403 if (!sPath.isEmpty() && QFileInfo(sPath).exists()) {
404 if (!m_pChannel->loadInstrument(sPath, m_ui.InstrumentNrComboBox->currentIndex()))
405 iErrors++;
406 }
407 // MIDI intrument map...
408 if (!m_pChannel->setMidiMap(m_ui.MidiMapComboBox->currentIndex()))
409 iErrors++;
410 // Show error messages?
411 if (iErrors > 0) {
412 m_pChannel->appendMessagesError(
413 tr("Some channel settings could not be set.\n\nSorry."));
414 }
415 }
416
417 // Save default engine name, instrument directory and history...
418 pOptions->sInstrumentDir = QFileInfo(
419 m_ui.InstrumentFileComboBox->currentText()).dir().absolutePath();
420 pOptions->sEngineName = m_ui.EngineNameComboBox->currentText();
421 pOptions->sAudioDriver = m_ui.AudioDriverComboBox->currentText();
422 pOptions->sMidiDriver = m_ui.MidiDriverComboBox->currentText();
423 pOptions->iMidiMap = m_ui.MidiMapComboBox->currentIndex();
424 pOptions->saveComboBoxHistory(m_ui.InstrumentFileComboBox);
425
426 // Just go with dialog acceptance.
427 QDialog::accept();
428 }
429
430
431 // Reject settings (Cancel button slot).
432 void ChannelForm::reject (void)
433 {
434 bool bReject = true;
435
436 // Check if there's any pending changes...
437 if (m_iDirtyCount > 0 && m_ui.OkPushButton->isEnabled()) {
438 switch (QMessageBox::warning(this,
439 QSAMPLER_TITLE ": " + tr("Warning"),
440 tr("Some channel settings have been changed.\n\n"
441 "Do you want to apply the changes?"),
442 tr("Apply"), tr("Discard"), tr("Cancel"))) {
443 case 0: // Apply...
444 accept();
445 return;
446 case 1: // Discard
447 break;
448 default: // Cancel.
449 bReject = false;
450 break;
451 }
452 }
453
454 if (bReject)
455 QDialog::reject();
456 }
457
458
459 // Browse and open an instrument file.
460 void ChannelForm::openInstrumentFile (void)
461 {
462 MainForm *pMainForm = MainForm::getInstance();
463 if (pMainForm == NULL)
464 return;
465 if (pMainForm->client() == NULL)
466 return;
467
468 Options *pOptions = pMainForm->options();
469 if (pOptions == NULL)
470 return;
471
472 // FIXME: the instrument file filters should be restricted,
473 // depending on the current engine.
474 QString sInstrumentFile = QFileDialog::getOpenFileName(this,
475 QSAMPLER_TITLE ": " + tr("Instrument files"), // Caption.
476 pOptions->sInstrumentDir, // Start here.
477 tr("Instrument files") + " (*.gig *.dls)" // Filter (GIG and DLS files)
478 );
479
480 if (sInstrumentFile.isEmpty())
481 return;
482
483 m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile);
484 updateInstrumentName();
485 }
486
487
488 // Refresh the actual instrument name.
489 void ChannelForm::updateInstrumentName (void)
490 {
491 MainForm *pMainForm = MainForm::getInstance();
492 if (pMainForm == NULL)
493 return;
494 if (pMainForm->client() == NULL)
495 return;
496
497 Options *pOptions = pMainForm->options();
498 if (pOptions == NULL)
499 return;
500
501 // Finally this better idea would be to use libgig
502 // to retrieve the REAL instrument names.
503 m_ui.InstrumentNrComboBox->clear();
504 m_ui.InstrumentNrComboBox->insertItems(0,
505 Channel::getInstrumentList(
506 m_ui.InstrumentFileComboBox->currentText(),
507 pOptions->bInstrumentNames)
508 );
509
510 optionsChanged();
511 }
512
513
514 // Show device options dialog.
515 void ChannelForm::setupDevice ( Device *pDevice,
516 Device::DeviceType deviceTypeMode,
517 const QString& sDriverName )
518 {
519 MainForm *pMainForm = MainForm::getInstance();
520 if (pMainForm == NULL)
521 return;
522 if (pMainForm->client() == NULL)
523 return;
524
525 // Create the device form if not already...
526 if (m_pDeviceForm == NULL) {
527 m_pDeviceForm = new DeviceForm(this, Qt::Dialog);
528 m_pDeviceForm->setAttribute(Qt::WA_ShowModal);
529 QObject::connect(m_pDeviceForm, SIGNAL(devicesChanged()),
530 this, SLOT(updateDevices()));
531 }
532
533 // Refresh the device form with selected data.
534 if (m_pDeviceForm) {
535 m_pDeviceForm->setDeviceTypeMode(deviceTypeMode);
536 m_pDeviceForm->refreshDevices();
537 m_pDeviceForm->setDevice(pDevice);
538 m_pDeviceForm->setDriverName(sDriverName);
539 m_pDeviceForm->show();
540 }
541 }
542
543
544 // Refresh MIDI driver item devices.
545 void ChannelForm::selectMidiDriverItem ( const QString& sMidiDriver )
546 {
547 MainForm *pMainForm = MainForm::getInstance();
548 if (pMainForm == NULL)
549 return;
550 if (pMainForm->client() == NULL)
551 return;
552
553 const QString sDriverName = sMidiDriver.toUpper();
554
555 // Save current device id.
556 // Save current device id.
557 int iDeviceID = 0;
558 Device *pDevice = NULL;
559 int iMidiItem = m_ui.MidiDeviceComboBox->currentIndex();
560 if (iMidiItem >= 0 && iMidiItem < m_midiDevices.count())
561 pDevice = m_midiDevices.at(iMidiItem);
562 if (pDevice)
563 iDeviceID = pDevice->deviceID();
564
565 // Clean maplist.
566 m_ui.MidiDeviceComboBox->clear();
567 qDeleteAll(m_midiDevices);
568 m_midiDevices.clear();
569
570 // Populate with the current ones...
571 const QPixmap midiPixmap(":/icons/midi2.png");
572 int *piDeviceIDs = Device::getDevices(pMainForm->client(),
573 Device::Midi);
574 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
575 pDevice = new Device(Device::Midi, piDeviceIDs[i]);
576 if (pDevice->driverName().toUpper() == sDriverName) {
577 m_ui.MidiDeviceComboBox->insertItem(0,
578 midiPixmap, pDevice->deviceName());
579 m_midiDevices.append(pDevice);
580 } else {
581 delete pDevice;
582 }
583 }
584
585 // Do proper enabling...
586 bool bEnabled = !m_midiDevices.isEmpty();
587 if (bEnabled) {
588 // Select the previous current device...
589 iMidiItem = 0;
590 QListIterator<Device *> iter(m_midiDevices);
591 while (iter.hasNext()) {
592 pDevice = iter.next();
593 if (pDevice->deviceID() == iDeviceID) {
594 m_ui.MidiDeviceComboBox->setCurrentIndex(iMidiItem);
595 selectMidiDeviceItem(iMidiItem);
596 break;
597 }
598 iMidiItem++;
599 }
600 } else {
601 m_ui.MidiDeviceComboBox->insertItem(0,
602 tr("(New MIDI %1 device)").arg(sMidiDriver));
603 }
604 m_ui.MidiDeviceTextLabel->setEnabled(bEnabled);
605 m_ui.MidiDeviceComboBox->setEnabled(bEnabled);
606 }
607
608
609 // Refresh MIDI device options slot.
610 void ChannelForm::selectMidiDriver ( const QString& sMidiDriver )
611 {
612 if (m_iDirtySetup > 0)
613 return;
614
615 selectMidiDriverItem(sMidiDriver);
616 optionsChanged();
617 }
618
619
620 // Select MIDI device item.
621 void ChannelForm::selectMidiDeviceItem ( int iMidiItem )
622 {
623 Device *pDevice = NULL;
624 if (iMidiItem >= 0 && iMidiItem < m_midiDevices.count())
625 pDevice = m_midiDevices.at(iMidiItem);
626 if (pDevice) {
627 const DeviceParamMap& params = pDevice->params();
628 int iPorts = params["PORTS"].value.toInt();
629 m_ui.MidiPortTextLabel->setEnabled(iPorts > 0);
630 m_ui.MidiPortSpinBox->setEnabled(iPorts > 0);
631 if (iPorts > 0)
632 m_ui.MidiPortSpinBox->setMaximum(iPorts - 1);
633 }
634 }
635
636
637 // Select MIDI device options slot.
638 void ChannelForm::selectMidiDevice ( int iMidiItem )
639 {
640 if (m_iDirtySetup > 0)
641 return;
642
643 selectMidiDeviceItem(iMidiItem);
644 optionsChanged();
645 }
646
647
648 // MIDI device options.
649 void ChannelForm::setupMidiDevice (void)
650 {
651 Device *pDevice = NULL;
652 int iMidiItem = m_ui.MidiDeviceComboBox->currentIndex();
653 if (iMidiItem >= 0 && iMidiItem < m_midiDevices.count())
654 pDevice = m_midiDevices.at(iMidiItem);
655 setupDevice(pDevice,
656 Device::Midi, m_ui.MidiDriverComboBox->currentText());
657 }
658
659
660 // Refresh Audio driver item devices.
661 void ChannelForm::selectAudioDriverItem ( const QString& sAudioDriver )
662 {
663 MainForm *pMainForm = MainForm::getInstance();
664 if (pMainForm == NULL)
665 return;
666 if (pMainForm->client() == NULL)
667 return;
668
669 const QString sDriverName = sAudioDriver.toUpper();
670
671 // Save current device id.
672 int iDeviceID = 0;
673 Device *pDevice = NULL;
674 int iAudioItem = m_ui.AudioDeviceComboBox->currentIndex();
675 if (iAudioItem >= 0 && iAudioItem < m_audioDevices.count())
676 pDevice = m_audioDevices.at(iAudioItem);
677 if (pDevice)
678 iDeviceID = pDevice->deviceID();
679
680 // Clean maplist.
681 m_ui.AudioDeviceComboBox->clear();
682 qDeleteAll(m_audioDevices);
683 m_audioDevices.clear();
684
685 // Populate with the current ones...
686 const QPixmap audioPixmap(":/icons/audio2.png");
687 int *piDeviceIDs = Device::getDevices(pMainForm->client(),
688 Device::Audio);
689 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
690 pDevice = new Device(Device::Audio, piDeviceIDs[i]);
691 if (pDevice->driverName().toUpper() == sDriverName) {
692 m_ui.AudioDeviceComboBox->insertItem(0,
693 audioPixmap, pDevice->deviceName());
694 m_audioDevices.append(pDevice);
695 } else {
696 delete pDevice;
697 }
698 }
699
700 // Do proper enabling...
701 bool bEnabled = !m_audioDevices.isEmpty();
702 if (bEnabled) {
703 // Select the previous current device...
704 iAudioItem = 0;
705 QListIterator<Device *> iter(m_audioDevices);
706 while (iter.hasNext()) {
707 pDevice = iter.next();
708 if (pDevice->deviceID() == iDeviceID) {
709 m_ui.AudioDeviceComboBox->setCurrentIndex(iAudioItem);
710 selectAudioDeviceItem(iAudioItem);
711 break;
712 }
713 iAudioItem++;
714 }
715 } else {
716 m_ui.AudioDeviceComboBox->insertItem(0,
717 tr("(New Audio %1 device)").arg(sAudioDriver));
718 //m_ui.AudioRoutingTable->setNumRows(0);
719 }
720 m_ui.AudioDeviceTextLabel->setEnabled(bEnabled);
721 m_ui.AudioDeviceComboBox->setEnabled(bEnabled);
722 m_ui.AudioRoutingTable->setEnabled(bEnabled);
723 }
724
725
726 // Refresh Audio device options slot.
727 void ChannelForm::selectAudioDriver ( const QString& sAudioDriver )
728 {
729 if (m_iDirtySetup > 0)
730 return;
731
732 selectAudioDriverItem(sAudioDriver);
733 optionsChanged();
734 }
735
736
737 // Select Audio device item.
738 void ChannelForm::selectAudioDeviceItem ( int iAudioItem )
739 {
740 Device *pDevice = NULL;
741 if (iAudioItem >= 0 && iAudioItem < m_audioDevices.count())
742 pDevice = m_audioDevices.at(iAudioItem);
743 if (pDevice) {
744 // Refresh the audio routing table.
745 m_routingModel.refresh(pDevice, m_pChannel->audioRouting());
746 // Reset routing change map.
747 m_routingModel.clear();
748 }
749 }
750
751
752 // Select Audio device options slot.
753 void ChannelForm::selectAudioDevice ( int iAudioItem )
754 {
755 if (m_iDirtySetup > 0)
756 return;
757
758 selectAudioDeviceItem(iAudioItem);
759 optionsChanged();
760 }
761
762
763 // Audio device options.
764 void ChannelForm::setupAudioDevice (void)
765 {
766 Device *pDevice = NULL;
767 int iAudioItem = m_ui.AudioDeviceComboBox->currentIndex();
768 if (iAudioItem >= 0 && iAudioItem < m_audioDevices.count())
769 pDevice = m_audioDevices.at(iAudioItem);
770 setupDevice(pDevice,
771 Device::Audio, m_ui.AudioDriverComboBox->currentText());
772 }
773
774 // UPdate all device lists slot.
775 void ChannelForm::updateDevices (void)
776 {
777 if (m_iDirtySetup > 0)
778 return;
779
780 selectMidiDriverItem(m_ui.MidiDriverComboBox->currentText());
781 selectAudioDriverItem(m_ui.AudioDriverComboBox->currentText());
782 optionsChanged();
783 }
784
785
786 // Dirty up settings.
787 void ChannelForm::optionsChanged (void)
788 {
789 if (m_iDirtySetup > 0)
790 return;
791
792 m_iDirtyCount++;
793 stabilizeForm();
794 }
795
796
797 // Stabilize current form state.
798 void ChannelForm::stabilizeForm (void)
799 {
800 const bool bValid =
801 m_ui.EngineNameComboBox->currentIndex() >= 0 &&
802 m_ui.EngineNameComboBox->currentText()
803 != Channel::noEngineName();
804 #if 0
805 const QString& sPath = InstrumentFileComboBox->currentText();
806 bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();
807 #endif
808 m_ui.OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
809 }
810
811
812 void ChannelForm::updateTableCellRenderers (void)
813 {
814 const int rows = m_routingModel.rowCount();
815 const int cols = m_routingModel.columnCount();
816 updateTableCellRenderers(
817 m_routingModel.index(0, 0),
818 m_routingModel.index(rows - 1, cols - 1));
819 }
820
821
822 void ChannelForm::updateTableCellRenderers (
823 const QModelIndex& topLeft, const QModelIndex& bottomRight )
824 {
825 for (int r = topLeft.row(); r <= bottomRight.row(); r++) {
826 for (int c = topLeft.column(); c <= bottomRight.column(); c++) {
827 const QModelIndex index = m_routingModel.index(r, c);
828 m_ui.AudioRoutingTable->openPersistentEditor(index);
829 }
830 }
831 }
832
833 } // namespace QSampler
834
835
836 // end of qsamplerChannelForm.cpp

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