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 "qsamplerAbout.h" |
24 |
#include "qsamplerInstrumentForm.h" |
25 |
|
26 |
#include "qsamplerOptions.h" |
27 |
#include "qsamplerChannel.h" |
28 |
#include "qsamplerMainForm.h" |
29 |
|
30 |
#include <QFileDialog> |
31 |
#include <QMessageBox> |
32 |
|
33 |
// Needed for lroundf() |
34 |
#include <math.h> |
35 |
|
36 |
#ifndef CONFIG_ROUND |
37 |
static inline long lroundf ( float x ) |
38 |
{ |
39 |
if (x >= 0.0f) |
40 |
return long(x + 0.5f); |
41 |
else |
42 |
return long(x - 0.5f); |
43 |
} |
44 |
#endif |
45 |
|
46 |
|
47 |
namespace QSampler { |
48 |
|
49 |
InstrumentForm::InstrumentForm ( QWidget* pParent ) |
50 |
: QDialog(pParent) |
51 |
{ |
52 |
m_ui.setupUi(this); |
53 |
|
54 |
// Initialize locals. |
55 |
m_pInstrument = NULL; |
56 |
|
57 |
m_iDirtySetup = 0; |
58 |
m_iDirtyCount = 0; |
59 |
m_iDirtyName = 0; |
60 |
|
61 |
// Try to restore normal window positioning. |
62 |
adjustSize(); |
63 |
|
64 |
|
65 |
QObject::connect(m_ui.MapComboBox, |
66 |
SIGNAL(activated(int)), |
67 |
SLOT(changed())); |
68 |
QObject::connect(m_ui.BankSpinBox, |
69 |
SIGNAL(valueChanged(int)), |
70 |
SLOT(changed())); |
71 |
QObject::connect(m_ui.ProgSpinBox, |
72 |
SIGNAL(valueChanged(int)), |
73 |
SLOT(changed())); |
74 |
QObject::connect(m_ui.NameLineEdit, |
75 |
SIGNAL(textChanged(const QString&)), |
76 |
SLOT(nameChanged(const QString&))); |
77 |
QObject::connect(m_ui.EngineNameComboBox, |
78 |
SIGNAL(activated(int)), |
79 |
SLOT(changed())); |
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(instrumentNrChanged())); |
89 |
QObject::connect(m_ui.VolumeSpinBox, |
90 |
SIGNAL(valueChanged(int)), |
91 |
SLOT(changed())); |
92 |
QObject::connect(m_ui.LoadModeComboBox, |
93 |
SIGNAL(activated(int)), |
94 |
SLOT(changed())); |
95 |
QObject::connect(m_ui.OkPushButton, |
96 |
SIGNAL(clicked()), |
97 |
SLOT(accept())); |
98 |
QObject::connect(m_ui.CancelPushButton, |
99 |
SIGNAL(clicked()), |
100 |
SLOT(reject())); |
101 |
} |
102 |
|
103 |
|
104 |
InstrumentForm::~InstrumentForm (void) |
105 |
{ |
106 |
} |
107 |
|
108 |
|
109 |
// Channel dialog setup formal initializer. |
110 |
void InstrumentForm::setup ( qsamplerInstrument *pInstrument ) |
111 |
{ |
112 |
m_pInstrument = pInstrument; |
113 |
|
114 |
m_iDirtySetup = 0; |
115 |
m_iDirtyCount = 0; |
116 |
m_iDirtyName = 0; |
117 |
|
118 |
if (m_pInstrument == NULL) |
119 |
return; |
120 |
|
121 |
// Check if we're up and connected. |
122 |
MainForm* pMainForm = MainForm::getInstance(); |
123 |
if (pMainForm == NULL) |
124 |
return; |
125 |
if (pMainForm->client() == NULL) |
126 |
return; |
127 |
|
128 |
qsamplerOptions *pOptions = pMainForm->options(); |
129 |
if (pOptions == NULL) |
130 |
return; |
131 |
|
132 |
// It can be a brand new channel, remember? |
133 |
bool bNew = (m_pInstrument->bank() < 0 || m_pInstrument->prog() < 0); |
134 |
if (!bNew) { |
135 |
m_pInstrument->getInstrument(); |
136 |
m_iDirtyName++; |
137 |
} |
138 |
|
139 |
// Avoid nested changes. |
140 |
m_iDirtySetup++; |
141 |
|
142 |
// Load combo box history... |
143 |
pOptions->loadComboBoxHistory(m_ui.InstrumentFileComboBox); |
144 |
|
145 |
// Populate maps list. |
146 |
m_ui.MapComboBox->clear(); |
147 |
m_ui.MapComboBox->insertItems(0, qsamplerInstrument::getMapNames()); |
148 |
|
149 |
// Populate Engines list. |
150 |
const char **ppszEngines |
151 |
= ::lscp_list_available_engines(pMainForm->client()); |
152 |
if (ppszEngines) { |
153 |
m_ui.EngineNameComboBox->clear(); |
154 |
for (int iEngine = 0; ppszEngines[iEngine]; iEngine++) |
155 |
m_ui.EngineNameComboBox->addItem(ppszEngines[iEngine]); |
156 |
} |
157 |
else pMainForm->appendMessagesClient("lscp_list_available_engines"); |
158 |
|
159 |
// Read proper instrument information, |
160 |
// and populate the instrument form fields. |
161 |
|
162 |
// Instrument map name... |
163 |
int iMap = (bNew ? pOptions->iMidiMap : m_pInstrument->map()); |
164 |
if (iMap < 0) |
165 |
iMap = 0; |
166 |
const QString& sMapName = qsamplerInstrument::getMapName(iMap); |
167 |
if (!sMapName.isEmpty()) { |
168 |
m_ui.MapComboBox->setItemText( |
169 |
m_ui.MapComboBox->currentIndex(), |
170 |
sMapName); |
171 |
} |
172 |
// It might be no maps around... |
173 |
bool bMapEnabled = (m_ui.MapComboBox->count() > 0); |
174 |
m_ui.MapTextLabel->setEnabled(bMapEnabled); |
175 |
m_ui.MapComboBox->setEnabled(bMapEnabled); |
176 |
|
177 |
// Instrument bank/program... |
178 |
int iBank = (bNew ? pOptions->iMidiBank : m_pInstrument->bank()); |
179 |
int iProg = (bNew ? pOptions->iMidiProg : m_pInstrument->prog()) + 1; |
180 |
if (bNew && iProg > 128) { |
181 |
iProg = 1; |
182 |
iBank++; |
183 |
} |
184 |
m_ui.BankSpinBox->setValue(iBank); |
185 |
m_ui.ProgSpinBox->setValue(iProg); |
186 |
|
187 |
// Instrument name... |
188 |
m_ui.NameLineEdit->setText(m_pInstrument->name()); |
189 |
|
190 |
// Engine name... |
191 |
QString sEngineName = m_pInstrument->engineName(); |
192 |
if (sEngineName.isEmpty() || bNew) |
193 |
sEngineName = pOptions->sEngineName; |
194 |
if (sEngineName.isEmpty()) |
195 |
sEngineName = qsamplerChannel::noEngineName(); |
196 |
if (m_ui.EngineNameComboBox->findText(sEngineName, |
197 |
Qt::MatchExactly | Qt::MatchCaseSensitive) < 0) { |
198 |
m_ui.EngineNameComboBox->addItem(sEngineName); |
199 |
} |
200 |
m_ui.EngineNameComboBox->setCurrentIndex( |
201 |
m_ui.EngineNameComboBox->findText(sEngineName, |
202 |
Qt::MatchExactly | Qt::MatchCaseSensitive)); |
203 |
|
204 |
// Instrument filename and index... |
205 |
QString sInstrumentFile = m_pInstrument->instrumentFile(); |
206 |
if (sInstrumentFile.isEmpty()) |
207 |
sInstrumentFile = qsamplerChannel::noInstrumentName(); |
208 |
m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile); |
209 |
m_ui.InstrumentNrComboBox->clear(); |
210 |
m_ui.InstrumentNrComboBox->insertItems(0, |
211 |
qsamplerChannel::getInstrumentList(sInstrumentFile, |
212 |
pOptions->bInstrumentNames)); |
213 |
m_ui.InstrumentNrComboBox->setCurrentIndex(m_pInstrument->instrumentNr()); |
214 |
|
215 |
// Instrument volume.... |
216 |
int iVolume = (bNew ? pOptions->iVolume : |
217 |
::lroundf(100.0f * m_pInstrument->volume())); |
218 |
m_ui.VolumeSpinBox->setValue(iVolume); |
219 |
|
220 |
// Instrument load mode... |
221 |
int iLoadMode = (bNew ? pOptions->iLoadMode : |
222 |
m_pInstrument->loadMode()); |
223 |
m_ui.LoadModeComboBox->setCurrentIndex(iLoadMode); |
224 |
|
225 |
// Done. |
226 |
m_iDirtySetup--; |
227 |
stabilizeForm(); |
228 |
|
229 |
// Done. |
230 |
m_iDirtySetup--; |
231 |
stabilizeForm(); |
232 |
} |
233 |
|
234 |
|
235 |
// Special case for name change, |
236 |
void InstrumentForm::nameChanged ( const QString& /* sName */ ) |
237 |
{ |
238 |
if (m_iDirtySetup > 0) |
239 |
return; |
240 |
|
241 |
m_iDirtyName++; |
242 |
changed(); |
243 |
} |
244 |
|
245 |
|
246 |
// Browse and open an instrument file. |
247 |
void InstrumentForm::openInstrumentFile (void) |
248 |
{ |
249 |
MainForm* pMainForm = MainForm::getInstance(); |
250 |
if (pMainForm == NULL) |
251 |
return; |
252 |
|
253 |
qsamplerOptions *pOptions = pMainForm->options(); |
254 |
if (pOptions == NULL) |
255 |
return; |
256 |
|
257 |
// FIXME: the instrument file filters should be restricted, |
258 |
// depending on the current engine. |
259 |
QString sInstrumentFile = QFileDialog::getOpenFileName(this, |
260 |
QSAMPLER_TITLE ": " + tr("Instrument files"), // Caption. |
261 |
pOptions->sInstrumentDir, // Start here. |
262 |
tr("Instrument files") + " (*.gig *.dls)" // Filter (GIG and DLS files) |
263 |
); |
264 |
|
265 |
if (sInstrumentFile.isEmpty()) |
266 |
return; |
267 |
|
268 |
m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile); |
269 |
updateInstrumentName(); |
270 |
} |
271 |
|
272 |
|
273 |
// Refresh the actual instrument name. |
274 |
void InstrumentForm::updateInstrumentName (void) |
275 |
{ |
276 |
MainForm* pMainForm = MainForm::getInstance(); |
277 |
if (pMainForm == NULL) |
278 |
return; |
279 |
|
280 |
qsamplerOptions *pOptions = pMainForm->options(); |
281 |
if (pOptions == NULL) |
282 |
return; |
283 |
|
284 |
// TODO: this better idea would be to use libgig |
285 |
// to retrieve the REAL instrument names. |
286 |
m_ui.InstrumentNrComboBox->clear(); |
287 |
m_ui.InstrumentNrComboBox->insertItems(0, |
288 |
qsamplerChannel::getInstrumentList( |
289 |
m_ui.InstrumentFileComboBox->currentText(), |
290 |
pOptions->bInstrumentNames) |
291 |
); |
292 |
|
293 |
instrumentNrChanged(); |
294 |
} |
295 |
|
296 |
|
297 |
// Special case for instrumnet index change, |
298 |
void InstrumentForm::instrumentNrChanged (void) |
299 |
{ |
300 |
if (m_iDirtySetup > 0) |
301 |
return; |
302 |
|
303 |
if (m_ui.NameLineEdit->text().isEmpty() || m_iDirtyName == 0) { |
304 |
m_ui.NameLineEdit->setText(m_ui.InstrumentNrComboBox->currentText()); |
305 |
m_iDirtyName = 0; |
306 |
} |
307 |
|
308 |
changed(); |
309 |
} |
310 |
|
311 |
|
312 |
// Accept settings (OK button slot). |
313 |
void InstrumentForm::accept (void) |
314 |
{ |
315 |
if (m_pInstrument == NULL) |
316 |
return; |
317 |
|
318 |
MainForm* pMainForm = MainForm::getInstance(); |
319 |
if (pMainForm == NULL) |
320 |
return; |
321 |
if (pMainForm->client() == NULL) |
322 |
return; |
323 |
|
324 |
qsamplerOptions *pOptions = pMainForm->options(); |
325 |
if (pOptions == NULL) |
326 |
return; |
327 |
|
328 |
if (m_iDirtyCount > 0) { |
329 |
m_pInstrument->setMap(m_ui.MapComboBox->currentIndex()); |
330 |
m_pInstrument->setBank(m_ui.BankSpinBox->value()); |
331 |
m_pInstrument->setProg(m_ui.ProgSpinBox->value() - 1); |
332 |
m_pInstrument->setName(m_ui.NameLineEdit->text()); |
333 |
m_pInstrument->setEngineName(m_ui.EngineNameComboBox->currentText()); |
334 |
m_pInstrument->setInstrumentFile(m_ui.InstrumentFileComboBox->currentText()); |
335 |
m_pInstrument->setInstrumentNr(m_ui.InstrumentNrComboBox->currentIndex()); |
336 |
m_pInstrument->setVolume(0.01f * float(m_ui.VolumeSpinBox->value())); |
337 |
m_pInstrument->setLoadMode(m_ui.LoadModeComboBox->currentIndex()); |
338 |
} |
339 |
|
340 |
// Save default engine name, instrument directory and history... |
341 |
pOptions->sInstrumentDir = QFileInfo( |
342 |
m_ui.InstrumentFileComboBox->currentText()).dir().absolutePath(); |
343 |
pOptions->sEngineName = m_ui.EngineNameComboBox->currentText(); |
344 |
pOptions->iMidiMap = m_ui.MapComboBox->currentIndex(); |
345 |
pOptions->iMidiBank = m_ui.BankSpinBox->value(); |
346 |
pOptions->iMidiProg = m_ui.ProgSpinBox->value(); |
347 |
pOptions->iVolume = m_ui.VolumeSpinBox->value(); |
348 |
pOptions->iLoadMode = m_ui.LoadModeComboBox->currentIndex(); |
349 |
pOptions->saveComboBoxHistory(m_ui.InstrumentFileComboBox); |
350 |
|
351 |
// Just go with dialog acceptance. |
352 |
QDialog::accept(); |
353 |
} |
354 |
|
355 |
|
356 |
// Reject settings (Cancel button slot). |
357 |
void InstrumentForm::reject (void) |
358 |
{ |
359 |
bool bReject = true; |
360 |
|
361 |
// Check if there's any pending changes... |
362 |
if (m_iDirtyCount > 0 && m_ui.OkPushButton->isEnabled()) { |
363 |
switch (QMessageBox::warning(this, |
364 |
QSAMPLER_TITLE ": " + tr("Warning"), |
365 |
tr("Some channel settings have been changed.\n\n" |
366 |
"Do you want to apply the changes?"), |
367 |
tr("Apply"), tr("Discard"), tr("Cancel"))) { |
368 |
case 0: // Apply... |
369 |
accept(); |
370 |
return; |
371 |
case 1: // Discard |
372 |
break; |
373 |
default: // Cancel. |
374 |
bReject = false; |
375 |
break; |
376 |
} |
377 |
} |
378 |
|
379 |
if (bReject) |
380 |
QDialog::reject(); |
381 |
} |
382 |
|
383 |
|
384 |
// Dirty up settings. |
385 |
void InstrumentForm::changed (void) |
386 |
{ |
387 |
if (m_iDirtySetup > 0) |
388 |
return; |
389 |
|
390 |
m_iDirtyCount++; |
391 |
stabilizeForm(); |
392 |
} |
393 |
|
394 |
|
395 |
// Stabilize current form state. |
396 |
void InstrumentForm::stabilizeForm (void) |
397 |
{ |
398 |
bool bValid = |
399 |
!m_ui.NameLineEdit->text().isEmpty() && |
400 |
m_ui.EngineNameComboBox->currentIndex() >= 0 && |
401 |
m_ui.EngineNameComboBox->currentText() != |
402 |
qsamplerChannel::noEngineName(); |
403 |
|
404 |
const QString& sPath = m_ui.InstrumentFileComboBox->currentText(); |
405 |
bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists(); |
406 |
|
407 |
m_ui.OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid); |
408 |
} |
409 |
|
410 |
} // namespace QSampler |
411 |
|
412 |
|
413 |
// end of qsamplerInstrumentForm.cpp |