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

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Revision 2077 - (show annotations) (download)
Wed Mar 31 09:07:30 2010 UTC (14 years ago) by capela
File size: 16997 byte(s)
* Initial widget geometry and visibility persistence logic has
  been slightly revised as much to avoid crash failures due to
  wrong main widget hidden state.

1 // qsamplerOptions.cpp
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2010, 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 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 "qsamplerAbout.h"
24 #include "qsamplerOptions.h"
25 #include "qsamplerMainForm.h"
26
27 #include <QTextStream>
28 #include <QComboBox>
29
30 #include <lscp/client.h>
31
32 #ifdef CONFIG_LIBGIG
33 #include <gig.h>
34 #endif
35
36
37 namespace QSampler {
38
39 //-------------------------------------------------------------------------
40 // QSampler::Options - Prototype settings structure.
41 //
42
43 // Constructor.
44 Options::Options (void)
45 : m_settings(QSAMPLER_DOMAIN, QSAMPLER_TITLE)
46 {
47 loadOptions();
48 }
49
50
51 // Default Destructor.
52 Options::~Options (void)
53 {
54 saveOptions();
55 }
56
57
58 // Explicit load method.
59 void Options::loadOptions (void)
60 {
61 // Begin into general options group.
62 m_settings.beginGroup("/Options");
63
64 // Load server options...
65 m_settings.beginGroup("/Server");
66 sServerHost = m_settings.value("/ServerHost", "localhost").toString();
67 iServerPort = m_settings.value("/ServerPort", 8888).toInt();
68 #if defined(__APPLE__) // Toshi Nagata 20080105
69 // TODO: Should this be a configure option?
70 iServerTimeout = m_settings.value("/ServerTimeout", 10000).toInt();
71 #else
72 iServerTimeout = m_settings.value("/ServerTimeout", 1000).toInt();
73 #endif
74 bServerStart = m_settings.value("/ServerStart", true).toBool();
75 #if defined(__APPLE__) // Toshi Nagata 20080113
76 sServerCmdLine = m_settings.value("/ServerCmdLine", "linuxsampler.starter").toString();
77 #else
78 sServerCmdLine = m_settings.value("/ServerCmdLine", "linuxsampler").toString();
79 #endif
80 iStartDelay = m_settings.value("/StartDelay", 3).toInt();
81 m_settings.endGroup();
82
83 // Load logging options...
84 m_settings.beginGroup("/Logging");
85 bMessagesLog = m_settings.value("/MessagesLog", false).toBool();
86 sMessagesLogPath = m_settings.value("/MessagesLogPath", "qsampler.log").toString();
87 m_settings.endGroup();
88
89 // Load display options...
90 m_settings.beginGroup("/Display");
91 sDisplayFont = m_settings.value("/DisplayFont").toString();
92 bDisplayEffect = m_settings.value("/DisplayEffect", true).toBool();
93 bAutoRefresh = m_settings.value("/AutoRefresh", true).toBool();
94 iAutoRefreshTime = m_settings.value("/AutoRefreshTime", 1000).toInt();
95 iMaxVolume = m_settings.value("/MaxVolume", 100).toInt();
96 sMessagesFont = m_settings.value("/MessagesFont").toString();
97 bMessagesLimit = m_settings.value("/MessagesLimit", true).toBool();
98 iMessagesLimitLines = m_settings.value("/MessagesLimitLines", 1000).toInt();
99 bConfirmRemove = m_settings.value("/ConfirmRemove", true).toBool();
100 bKeepOnTop = m_settings.value("/KeepOnTop", true).toBool();
101 bStdoutCapture = m_settings.value("/StdoutCapture", true).toBool();
102 bCompletePath = m_settings.value("/CompletePath", true).toBool();
103 iMaxRecentFiles = m_settings.value("/MaxRecentFiles", 5).toInt();
104 iBaseFontSize = m_settings.value("/BaseFontSize", 0).toInt();
105 // if libgig provides a fast way to retrieve instrument names even for large
106 // .gig files, then we enable this feature by default
107 #if HAVE_LIBGIG_SETAUTOLOAD
108 bInstrumentNames = m_settings.value("/InstrumentNames", true).toBool();
109 #else
110 bInstrumentNames = m_settings.value("/InstrumentNames", false).toBool();
111 #endif
112 m_settings.endGroup();
113
114 // And go into view options group.
115 m_settings.beginGroup("/View");
116 bMenubar = m_settings.value("/Menubar", true).toBool();
117 bToolbar = m_settings.value("/Toolbar", true).toBool();
118 bStatusbar = m_settings.value("/Statusbar", true).toBool();
119 bAutoArrange = m_settings.value("/AutoArrange", true).toBool();
120 m_settings.endGroup();
121
122 m_settings.endGroup(); // Options group.
123
124 // Recent file list.
125 recentFiles.clear();
126 m_settings.beginGroup("/RecentFiles");
127 for (int iFile = 0; iFile < iMaxRecentFiles; iFile++) {
128 QString sFilename = m_settings.value(
129 "/File" + QString::number(iFile + 1)).toString();
130 if (!sFilename.isEmpty())
131 recentFiles.append(sFilename);
132 }
133 m_settings.endGroup();
134
135 // Sampler fine tuning settings.
136 m_settings.beginGroup("/Tuning");
137 iMaxVoices = m_settings.value("/MaxVoices", -1).toInt();
138 iMaxStreams = m_settings.value("/MaxStreams", -1).toInt();
139 m_settings.endGroup();
140
141 // Last but not least, get the default directories.
142 m_settings.beginGroup("/Default");
143 sSessionDir = m_settings.value("/SessionDir").toString();
144 sInstrumentDir = m_settings.value("/InstrumentDir").toString();
145 sEngineName = m_settings.value("/EngineName").toString();
146 sAudioDriver = m_settings.value("/AudioDriver").toString();
147 sMidiDriver = m_settings.value("/MidiDriver").toString();
148 iMidiMap = m_settings.value("/MidiMap", 0).toInt();
149 iMidiBank = m_settings.value("/MidiBank", 0).toInt();
150 iMidiProg = m_settings.value("/MidiProg", 0).toInt();
151 iVolume = m_settings.value("/Volume", 100).toInt();
152 iLoadMode = m_settings.value("/Loadmode", 0).toInt();
153 m_settings.endGroup();
154 }
155
156
157 // Explicit save method.
158 void Options::saveOptions (void)
159 {
160 // Make program version available in the future.
161 m_settings.beginGroup("/Program");
162 m_settings.setValue("/Version", QSAMPLER_VERSION);
163 m_settings.endGroup();
164
165 // And go into general options group.
166 m_settings.beginGroup("/Options");
167
168 // Save server options.
169 m_settings.beginGroup("/Server");
170 m_settings.setValue("/ServerHost", sServerHost);
171 m_settings.setValue("/ServerPort", iServerPort);
172 m_settings.setValue("/ServerTimeout", iServerTimeout);
173 m_settings.setValue("/ServerStart", bServerStart);
174 m_settings.setValue("/ServerCmdLine", sServerCmdLine);
175 m_settings.setValue("/StartDelay", iStartDelay);
176 m_settings.endGroup();
177
178 // Save logging options...
179 m_settings.beginGroup("/Logging");
180 m_settings.setValue("/MessagesLog", bMessagesLog);
181 m_settings.setValue("/MessagesLogPath", sMessagesLogPath);
182 m_settings.endGroup();
183
184 // Save display options.
185 m_settings.beginGroup("/Display");
186 m_settings.setValue("/DisplayFont", sDisplayFont);
187 m_settings.setValue("/DisplayEffect", bDisplayEffect);
188 m_settings.setValue("/AutoRefresh", bAutoRefresh);
189 m_settings.setValue("/AutoRefreshTime", iAutoRefreshTime);
190 m_settings.setValue("/MaxVolume", iMaxVolume);
191 m_settings.setValue("/MessagesFont", sMessagesFont);
192 m_settings.setValue("/MessagesLimit", bMessagesLimit);
193 m_settings.setValue("/MessagesLimitLines", iMessagesLimitLines);
194 m_settings.setValue("/ConfirmRemove", bConfirmRemove);
195 m_settings.setValue("/KeepOnTop", bKeepOnTop);
196 m_settings.setValue("/StdoutCapture", bStdoutCapture);
197 m_settings.setValue("/CompletePath", bCompletePath);
198 m_settings.setValue("/MaxRecentFiles", iMaxRecentFiles);
199 m_settings.setValue("/BaseFontSize", iBaseFontSize);
200 m_settings.setValue("/InstrumentNames", bInstrumentNames);
201 m_settings.endGroup();
202
203 // View options group.
204 m_settings.beginGroup("/View");
205 m_settings.setValue("/Menubar", bMenubar);
206 m_settings.setValue("/Toolbar", bToolbar);
207 m_settings.setValue("/Statusbar", bStatusbar);
208 m_settings.setValue("/AutoArrange", bAutoArrange);
209 m_settings.endGroup();
210
211 m_settings.endGroup(); // Options group.
212
213 // Recent file list.
214 int iFile = 0;
215 m_settings.beginGroup("/RecentFiles");
216 QStringListIterator iter(recentFiles);
217 while (iter.hasNext())
218 m_settings.setValue("/File" + QString::number(++iFile), iter.next());
219 m_settings.endGroup();
220
221 // Sampler fine tuning settings.
222 m_settings.beginGroup("/Tuning");
223 if (iMaxVoices > 0)
224 m_settings.setValue("/MaxVoices", iMaxVoices);
225 if (iMaxStreams >= 0)
226 m_settings.setValue("/MaxStreams", iMaxStreams);
227 m_settings.endGroup();
228
229 // Default directories.
230 m_settings.beginGroup("/Default");
231 m_settings.setValue("/SessionDir", sSessionDir);
232 m_settings.setValue("/InstrumentDir", sInstrumentDir);
233 m_settings.setValue("/EngineName", sEngineName);
234 m_settings.setValue("/AudioDriver", sAudioDriver);
235 m_settings.setValue("/MidiDriver", sMidiDriver);
236 m_settings.setValue("/MidiMap", iMidiMap);
237 m_settings.setValue("/MidiBank", iMidiBank);
238 m_settings.setValue("/MidiProg", iMidiProg);
239 m_settings.setValue("/Volume", iVolume);
240 m_settings.setValue("/Loadmode", iLoadMode);
241 m_settings.endGroup();
242
243 // Save/commit to disk.
244 m_settings.sync();
245 }
246
247
248 //-------------------------------------------------------------------------
249 // Settings accessor.
250 //
251
252 QSettings& Options::settings (void)
253 {
254 return m_settings;
255 }
256
257
258 //-------------------------------------------------------------------------
259 // Command-line argument stuff.
260 //
261
262 // Help about command line options.
263 void Options::print_usage ( const QString& arg0 )
264 {
265 QTextStream out(stderr);
266 out << QObject::tr("Usage: %1 [options] [session-file]\n\n"
267 QSAMPLER_TITLE " - " QSAMPLER_SUBTITLE "\n\n"
268 "Options:\n\n"
269 " -s, --start\n\tStart linuxsampler server locally\n\n"
270 " -h, --hostname\n\tSpecify linuxsampler server hostname\n\n"
271 " -p, --port\n\tSpecify linuxsampler server port number\n\n"
272 " -?, --help\n\tShow help about command line options\n\n"
273 " -v, --version\n\tShow version information\n\n")
274 .arg(arg0);
275 }
276
277
278 // Parse command line arguments into m_settings.
279 bool Options::parse_args ( const QStringList& args )
280 {
281 QTextStream out(stderr);
282 const QString sEol = "\n\n";
283 int iCmdArgs = 0;
284 int argc = args.count();
285
286 for (int i = 1; i < argc; i++) {
287
288 if (iCmdArgs > 0) {
289 sSessionFile += " ";
290 sSessionFile += args.at(i);
291 iCmdArgs++;
292 continue;
293 }
294
295 QString sArg = args.at(i);
296 QString sVal = QString::null;
297 int iEqual = sArg.indexOf("=");
298 if (iEqual >= 0) {
299 sVal = sArg.right(sArg.length() - iEqual - 1);
300 sArg = sArg.left(iEqual);
301 }
302 else if (i < argc - 1)
303 sVal = args.at(i + 1);
304
305 if (sArg == "-s" || sArg == "--start") {
306 bServerStart = true;
307 }
308 else if (sArg == "-h" || sArg == "--hostname") {
309 if (sVal.isNull()) {
310 out << QObject::tr("Option -h requires an argument (hostname).") + sEol;
311 return false;
312 }
313 sServerHost = sVal;
314 if (iEqual < 0)
315 i++;
316 }
317 else if (sArg == "-p" || sArg == "--port") {
318 if (sVal.isNull()) {
319 out << QObject::tr("Option -p requires an argument (port).") + sEol;
320 return false;
321 }
322 iServerPort = sVal.toInt();
323 if (iEqual < 0)
324 i++;
325 }
326 else if (sArg == "-?" || sArg == "--help") {
327 print_usage(args.at(0));
328 return false;
329 }
330 else if (sArg == "-v" || sArg == "--version") {
331 out << QObject::tr("Qt: %1\n").arg(qVersion());
332 #ifdef CONFIG_LIBGIG
333 out << QString("%1: %2\n")
334 .arg(gig::libraryName().c_str())
335 .arg(gig::libraryVersion().c_str());
336 #endif
337 out << QString("%1: %2\n")
338 .arg(::lscp_client_package())
339 .arg(::lscp_client_version());
340 out << QObject::tr(QSAMPLER_TITLE ": %1\n").arg(QSAMPLER_VERSION);
341 return false;
342 }
343 else {
344 // If we don't have one by now,
345 // this will be the startup sesion file...
346 sSessionFile += sArg;
347 iCmdArgs++;
348 }
349 }
350
351 // Alright with argument parsing.
352 return true;
353 }
354
355
356 //---------------------------------------------------------------------------
357 // Widget geometry persistence helper methods.
358
359 void Options::loadWidgetGeometry ( QWidget *pWidget, bool bVisible )
360 {
361 // Try to restore old form window positioning.
362 if (pWidget) {
363 QPoint wpos;
364 QSize wsize;
365 m_settings.beginGroup("/Geometry/" + pWidget->objectName());
366 wpos.setX(m_settings.value("/x", -1).toInt());
367 wpos.setY(m_settings.value("/y", -1).toInt());
368 wsize.setWidth(m_settings.value("/width", -1).toInt());
369 wsize.setHeight(m_settings.value("/height", -1).toInt());
370 if (!bVisible) bVisible = m_settings.value("/visible", false).toBool();
371 m_settings.endGroup();
372 if (wpos.x() > 0 && wpos.y() > 0)
373 pWidget->move(wpos);
374 if (wsize.width() > 0 && wsize.height() > 0)
375 pWidget->resize(wsize);
376 // else
377 // pWidget->adjustSize();
378 if (bVisible)
379 pWidget->show();
380 // else
381 // pWidget->hide();
382 }
383 }
384
385
386 void Options::saveWidgetGeometry ( QWidget *pWidget, bool bVisible )
387 {
388 // Try to save form window position...
389 // (due to X11 window managers ideossincrasies, we better
390 // only save the form geometry while its up and visible)
391 if (pWidget) {
392 m_settings.beginGroup("/Geometry/" + pWidget->objectName());
393 const QPoint& wpos = pWidget->pos();
394 const QSize& wsize = pWidget->size();
395 if (!bVisible) bVisible = pWidget->isVisible();
396 m_settings.setValue("/x", wpos.x());
397 m_settings.setValue("/y", wpos.y());
398 m_settings.setValue("/width", wsize.width());
399 m_settings.setValue("/height", wsize.height());
400 m_settings.setValue("/visible", bVisible);
401 m_settings.endGroup();
402 }
403 }
404
405
406 //---------------------------------------------------------------------------
407 // Combo box history persistence helper implementation.
408
409 void Options::loadComboBoxHistory ( QComboBox *pComboBox, int iLimit )
410 {
411 // Load combobox list from configuration settings file...
412 m_settings.beginGroup("/History/" + pComboBox->objectName());
413
414 if (m_settings.childKeys().count() > 0) {
415 pComboBox->setUpdatesEnabled(false);
416 pComboBox->setDuplicatesEnabled(false);
417 pComboBox->clear();
418 for (int i = 0; i < iLimit; i++) {
419 const QString& sText = m_settings.value(
420 "/Item" + QString::number(i + 1)).toString();
421 if (sText.isEmpty())
422 break;
423 pComboBox->addItem(sText);
424 }
425 pComboBox->setUpdatesEnabled(true);
426 }
427
428 m_settings.endGroup();
429 }
430
431
432 void Options::saveComboBoxHistory ( QComboBox *pComboBox, int iLimit )
433 {
434 // Add current text as latest item...
435 const QString& sCurrentText = pComboBox->currentText();
436 int iCount = pComboBox->count();
437 for (int i = 0; i < iCount; i++) {
438 const QString& sText = pComboBox->itemText(i);
439 if (sText == sCurrentText) {
440 pComboBox->removeItem(i);
441 iCount--;
442 break;
443 }
444 }
445 while (iCount >= iLimit)
446 pComboBox->removeItem(--iCount);
447 pComboBox->insertItem(0, sCurrentText);
448 iCount++;
449
450 // Save combobox list to configuration settings file...
451 m_settings.beginGroup("/History/" + pComboBox->objectName());
452 for (int i = 0; i < iCount; i++) {
453 const QString& sText = pComboBox->itemText(i);
454 if (sText.isEmpty())
455 break;
456 m_settings.setValue("/Item" + QString::number(i + 1), sText);
457 }
458 m_settings.endGroup();
459 }
460
461 int Options::getMaxVoices() {
462 #ifndef CONFIG_MAX_VOICES
463 return -1;
464 #else
465 if (iMaxVoices > 0) return iMaxVoices;
466 return getEffectiveMaxVoices();
467 #endif // CONFIG_MAX_VOICES
468 }
469
470 int Options::getEffectiveMaxVoices() {
471 #ifndef CONFIG_MAX_VOICES
472 return -1;
473 #else
474 MainForm *pMainForm = MainForm::getInstance();
475 if (!pMainForm || !pMainForm->client())
476 return -1;
477
478 return ::lscp_get_voices(pMainForm->client());
479 #endif // CONFIG_MAX_VOICES
480 }
481
482 void Options::setMaxVoices(int iMaxVoices) {
483 #ifdef CONFIG_MAX_VOICES
484 if (iMaxVoices < 1) return;
485
486 MainForm *pMainForm = MainForm::getInstance();
487 if (!pMainForm || !pMainForm->client())
488 return;
489
490 lscp_status_t result =
491 ::lscp_set_voices(pMainForm->client(), iMaxVoices);
492
493 if (result != LSCP_OK) {
494 pMainForm->appendMessagesClient("lscp_set_voices");
495 return;
496 }
497
498 this->iMaxVoices = iMaxVoices;
499 #endif // CONFIG_MAX_VOICES
500 }
501
502 int Options::getMaxStreams() {
503 #ifndef CONFIG_MAX_VOICES
504 return -1;
505 #else
506 if (iMaxStreams > 0) return iMaxStreams;
507 return getEffectiveMaxStreams();
508 #endif // CONFIG_MAX_VOICES
509 }
510
511 int Options::getEffectiveMaxStreams() {
512 #ifndef CONFIG_MAX_VOICES
513 return -1;
514 #else
515 MainForm *pMainForm = MainForm::getInstance();
516 if (!pMainForm || !pMainForm->client())
517 return -1;
518
519 return ::lscp_get_streams(pMainForm->client());
520 #endif // CONFIG_MAX_VOICES
521 }
522
523 void Options::setMaxStreams(int iMaxStreams) {
524 #ifdef CONFIG_MAX_VOICES
525 if (iMaxStreams < 0) return;
526
527 MainForm *pMainForm = MainForm::getInstance();
528 if (!pMainForm || !pMainForm->client())
529 return;
530
531 lscp_status_t result =
532 ::lscp_set_streams(pMainForm->client(), iMaxStreams);
533
534 if (result != LSCP_OK) {
535 pMainForm->appendMessagesClient("lscp_set_streams");
536 return;
537 }
538
539 this->iMaxStreams = iMaxStreams;
540 #endif // CONFIG_MAX_VOICES
541 }
542
543 void Options::sendFineTuningSettings() {
544 setMaxVoices(iMaxVoices);
545 setMaxStreams(iMaxStreams);
546
547 MainForm *pMainForm = MainForm::getInstance();
548 if (!pMainForm || !pMainForm->client())
549 return;
550
551 pMainForm->appendMessages(QObject::tr("Sent fine tuning settings."));
552 }
553
554 } // namespace QSampler
555
556
557 // end of qsamplerOptions.cpp

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