/[svn]/qsampler/trunk/src/qsamplerChannelForm.ui.h
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Contents of /qsampler/trunk/src/qsamplerChannelForm.ui.h

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Revision 454 - (show annotations) (download) (as text)
Mon Mar 14 10:59:57 2005 UTC (13 years, 7 months ago) by capela
File MIME type: text/x-c++hdr
File size: 12869 byte(s)
New keep child windows always on top option; device icon retouching;

1 // qsamplerChannelForm.ui.h
2 //
3 // ui.h extension file, included from the uic-generated form implementation.
4 /****************************************************************************
5 Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved.
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 <qvalidator.h>
24 #include <qmessagebox.h>
25 #include <qfiledialog.h>
26 #include <qfileinfo.h>
27 #include <qlistbox.h>
28
29 #include "config.h"
30
31
32 // Kind of constructor.
33 void qsamplerChannelForm::init (void)
34 {
35 // Initialize locals.
36 m_pChannel = NULL;
37
38 m_iDirtySetup = 0;
39 m_iDirtyCount = 0;
40
41 m_midiDevices.setAutoDelete(true);
42 m_audioDevices.setAutoDelete(true);
43
44 // Try to restore normal window positioning.
45 adjustSize();
46 }
47
48
49 // Kind of destructor.
50 void qsamplerChannelForm::destroy (void)
51 {
52 }
53
54
55 // Channel dialog setup formal initializer.
56 void qsamplerChannelForm::setup ( qsamplerChannel *pChannel )
57 {
58 m_pChannel = pChannel;
59
60 m_iDirtySetup = 0;
61 m_iDirtyCount = 0;
62
63 if (m_pChannel == NULL)
64 return;
65
66 // It can be a brand new channel, remember?
67 bool bNew = (m_pChannel->channelID() < 0);
68 setCaption(m_pChannel->channelName());
69
70 // Check if we're up and connected.
71 if (m_pChannel->client() == NULL)
72 return;
73
74 qsamplerOptions *pOptions = m_pChannel->options();
75 if (pOptions == NULL)
76 return;
77
78 // Avoid nested changes.
79 m_iDirtySetup++;
80
81 // Load combo box history...
82 pOptions->loadComboBoxHistory(InstrumentFileComboBox);
83
84 // Populate Engines list.
85 const char **ppszEngines = ::lscp_get_available_engines(m_pChannel->client());
86 if (ppszEngines) {
87 EngineNameComboBox->clear();
88 for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
89 EngineNameComboBox->insertItem(ppszEngines[iEngine]);
90 }
91 else m_pChannel->appendMessagesClient("lscp_get_available_engines");
92
93 // Populate Audio output type list.
94 AudioDriverComboBox->clear();
95 AudioDriverComboBox->insertStringList(
96 qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Audio));
97
98 // Populate MIDI input type list.
99 MidiDriverComboBox->clear();
100 MidiDriverComboBox->insertStringList(
101 qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Midi));
102
103 // Read proper channel information,
104 // and populate the channel form fields.
105
106 // Engine name...
107 QString sEngineName = pChannel->engineName();
108 if (sEngineName.isEmpty() || bNew)
109 sEngineName = pOptions->sEngineName;
110 if (sEngineName.isEmpty())
111 sEngineName = qsamplerChannel::noEngineName();
112 if (EngineNameComboBox->listBox()->findItem(sEngineName, Qt::ExactMatch) == NULL)
113 EngineNameComboBox->insertItem(sEngineName);
114 EngineNameComboBox->setCurrentText(sEngineName);
115 // Instrument filename and index...
116 QString sInstrumentFile = pChannel->instrumentFile();
117 if (sInstrumentFile.isEmpty())
118 sInstrumentFile = qsamplerChannel::noInstrumentName();
119 InstrumentFileComboBox->setCurrentText(sInstrumentFile);
120 InstrumentNrComboBox->clear();
121 InstrumentNrComboBox->insertStringList(
122 qsamplerChannel::getInstrumentList(sInstrumentFile,
123 pOptions->bInstrumentNames));
124 InstrumentNrComboBox->setCurrentItem(pChannel->instrumentNr());
125
126 // MIDI input device...
127 qsamplerDevice midiDevice(m_pChannel->client(),
128 qsamplerDevice::Midi, m_pChannel->midiDevice());
129 // MIDI input driver...
130 QString sMidiDriver = midiDevice.driverName();
131 if (sMidiDriver.isEmpty() || bNew)
132 sMidiDriver = pOptions->sMidiDriver;
133 if (!sMidiDriver.isEmpty()) {
134 if (MidiDriverComboBox->listBox()->findItem(sMidiDriver, Qt::ExactMatch) == NULL)
135 MidiDriverComboBox->insertItem(sMidiDriver);
136 MidiDriverComboBox->setCurrentText(sMidiDriver);
137 }
138 selectMidiDriver(sMidiDriver);
139 if (!bNew)
140 MidiDeviceComboBox->setCurrentText(midiDevice.deviceName());
141 // MIDI input port...
142 MidiPortSpinBox->setValue(pChannel->midiPort());
143 // MIDI input channel...
144 int iMidiChannel = pChannel->midiChannel();
145 // When new, try to suggest a sensible MIDI channel...
146 if (iMidiChannel < 0)
147 iMidiChannel = (::lscp_get_channels(m_pChannel->client()) % 16);
148 MidiChannelComboBox->setCurrentItem(iMidiChannel);
149
150 // Audio output device...
151 qsamplerDevice audioDevice(m_pChannel->client(),
152 qsamplerDevice::Audio, m_pChannel->audioDevice());
153 // Audio output driver...
154 QString sAudioDriver = audioDevice.driverName();
155 if (sAudioDriver.isEmpty() || bNew)
156 sAudioDriver = pOptions->sAudioDriver;
157 if (!sAudioDriver.isEmpty()) {
158 if (AudioDriverComboBox->listBox()->findItem(sAudioDriver, Qt::ExactMatch) == NULL)
159 AudioDriverComboBox->insertItem(sAudioDriver);
160 AudioDriverComboBox->setCurrentText(sAudioDriver);
161 }
162 selectAudioDriver(sAudioDriver);
163 if (!bNew)
164 AudioDeviceComboBox->setCurrentText(audioDevice.deviceName());
165
166 // As convenient, make it ready on stabilizeForm() for
167 // prompt acceptance, if we got the minimum required...
168 if (sEngineName != qsamplerChannel::noEngineName() &&
169 sInstrumentFile != qsamplerChannel::noInstrumentName())
170 m_iDirtyCount++;
171 // FIXME: These are better leave diabled...
172 MidiPortTextLabel->setEnabled(false);
173 MidiPortSpinBox->setEnabled(false);
174 // Done.
175 m_iDirtySetup--;
176 stabilizeForm();
177 }
178
179
180 // Accept settings (OK button slot).
181 void qsamplerChannelForm::accept (void)
182 {
183 if (m_pChannel == NULL)
184 return;
185
186 qsamplerOptions *pOptions = m_pChannel->options();
187 if (pOptions == NULL)
188 return;
189
190 // We'll go for it!
191 if (m_iDirtyCount > 0) {
192 int iErrors = 0;
193 // Are we a new channel?
194 if (!m_pChannel->addChannel())
195 iErrors++;
196 // Accept Audio driver or device selection...
197 if (m_audioDevices.isEmpty()) {
198 if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText()))
199 iErrors++;
200 } else {
201 qsamplerDevice *pDevice = m_audioDevices.at(AudioDeviceComboBox->currentItem());
202 if (pDevice == NULL)
203 iErrors++;
204 else if (!m_pChannel->setAudioDevice(pDevice->deviceID()))
205 iErrors++;
206 }
207 // Accept MIDI driver or device selection...
208 if (m_midiDevices.isEmpty()) {
209 if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText()))
210 iErrors++;
211 } else {
212 qsamplerDevice *pDevice = m_midiDevices.at(MidiDeviceComboBox->currentItem());
213 if (pDevice == NULL)
214 iErrors++;
215 else if (!m_pChannel->setMidiDevice(pDevice->deviceID()))
216 iErrors++;
217 }
218 // MIDI input port number...
219 if (!m_pChannel->setMidiPort(MidiPortSpinBox->value()))
220 iErrors++;
221 // MIDI input channel...
222 if (!m_pChannel->setMidiChannel(MidiChannelComboBox->currentItem()))
223 iErrors++;
224 // Engine name...
225 if (!m_pChannel->loadEngine(EngineNameComboBox->currentText()))
226 iErrors++;
227 // Instrument file and index...
228 if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrComboBox->currentItem()))
229 iErrors++;
230 // Show error messages?
231 if (iErrors > 0)
232 m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry."));
233 }
234
235 // Save default engine name, instrument directory and history...
236 pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
237 pOptions->sEngineName = EngineNameComboBox->currentText();
238 pOptions->sAudioDriver = AudioDriverComboBox->currentText();
239 pOptions->sMidiDriver = MidiDriverComboBox->currentText();
240 pOptions->saveComboBoxHistory(InstrumentFileComboBox);
241
242 // Just go with dialog acceptance.
243 QDialog::accept();
244 }
245
246
247 // Reject settings (Cancel button slot).
248 void qsamplerChannelForm::reject (void)
249 {
250 bool bReject = true;
251
252 // Check if there's any pending changes...
253 if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
254 switch (QMessageBox::warning(this, tr("Warning"),
255 tr("Some channel settings have been changed.\n\n"
256 "Do you want to apply the changes?"),
257 tr("Apply"), tr("Discard"), tr("Cancel"))) {
258 case 0: // Apply...
259 accept();
260 return;
261 case 1: // Discard
262 break;
263 default: // Cancel.
264 bReject = false;
265 }
266 }
267
268 if (bReject)
269 QDialog::reject();
270 }
271
272
273 // Browse and open an instrument file.
274 void qsamplerChannelForm::openInstrumentFile (void)
275 {
276 qsamplerOptions *pOptions = m_pChannel->options();
277 if (pOptions == NULL)
278 return;
279
280 // FIXME: the instrument file filters should be restricted,
281 // depending on the current engine.
282 QString sInstrumentFile = QFileDialog::getOpenFileName(
283 pOptions->sInstrumentDir, // Start here.
284 tr("Instrument files") + " (*.gig *.dls)", // Filter (GIG and DLS files)
285 this, 0, // Parent and name (none)
286 tr("Instrument files") // Caption.
287 );
288
289 if (sInstrumentFile.isEmpty())
290 return;
291
292 InstrumentFileComboBox->setCurrentText(sInstrumentFile);
293 }
294
295
296 // Refresh the actual instrument name.
297 void qsamplerChannelForm::updateInstrumentName (void)
298 {
299 qsamplerOptions *pOptions = m_pChannel->options();
300 if (pOptions == NULL)
301 return;
302
303 // Finally this better idea would be to use libgig
304 // to retrieve the REAL instrument names.
305 InstrumentNrComboBox->clear();
306 InstrumentNrComboBox->insertStringList(
307 qsamplerChannel::getInstrumentList(
308 InstrumentFileComboBox->currentText(),
309 pOptions->bInstrumentNames)
310 );
311
312 optionsChanged();
313 }
314
315
316 // Refresh MIDI device options.
317 void qsamplerChannelForm::selectMidiDriver ( const QString& sMidiDriver )
318 {
319 const QString sDriverName = sMidiDriver.upper();
320
321 MidiDeviceComboBox->clear();
322 m_audioDevices.clear();
323
324 const QPixmap& midiPixmap = QPixmap::fromMimeSource("midi2.png");
325 int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
326 qsamplerDevice::Midi);
327 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
328 qsamplerDevice *pDevice = new qsamplerDevice(m_pChannel->client(),
329 qsamplerDevice::Midi, piDeviceIDs[i]);
330 if (pDevice->driverName().upper() == sDriverName) {
331 MidiDeviceComboBox->insertItem(midiPixmap, pDevice->deviceName());
332 m_midiDevices.append(pDevice);
333 } else {
334 delete pDevice;
335 }
336 }
337
338 bool bEnabled = !m_midiDevices.isEmpty();
339 if (!bEnabled)
340 MidiDeviceComboBox->insertItem(tr("(New MIDI device)"));
341 MidiDeviceTextLabel->setEnabled(bEnabled);
342 MidiDeviceComboBox->setEnabled(bEnabled);
343 optionsChanged();
344 }
345
346
347 // Refresh Audio device options.
348 void qsamplerChannelForm::selectAudioDriver ( const QString& sAudioDriver )
349 {
350 const QString sDriverName = sAudioDriver.upper();
351
352 AudioDeviceComboBox->clear();
353 m_audioDevices.clear();
354
355 const QPixmap& audioPixmap = QPixmap::fromMimeSource("audio2.png");
356 int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
357 qsamplerDevice::Audio);
358 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
359 qsamplerDevice *pDevice = new qsamplerDevice(m_pChannel->client(),
360 qsamplerDevice::Audio, piDeviceIDs[i]);
361 if (pDevice->driverName().upper() == sDriverName) {
362 AudioDeviceComboBox->insertItem(audioPixmap, pDevice->deviceName());
363 m_audioDevices.append(pDevice);
364 } else {
365 delete pDevice;
366 }
367 }
368
369 bool bEnabled = !m_audioDevices.isEmpty();
370 if (!bEnabled)
371 AudioDeviceComboBox->insertItem(tr("(New Audio device)"));
372 AudioDeviceTextLabel->setEnabled(bEnabled);
373 AudioDeviceComboBox->setEnabled(bEnabled);
374 optionsChanged();
375 }
376
377
378 // Dirty up settings.
379 void qsamplerChannelForm::optionsChanged (void)
380 {
381 if (m_iDirtySetup > 0)
382 return;
383
384 m_iDirtyCount++;
385 stabilizeForm();
386 }
387
388
389 // Stabilize current form state.
390 void qsamplerChannelForm::stabilizeForm (void)
391 {
392 const QString& sFilename = InstrumentFileComboBox->currentText();
393 OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists());
394 }
395
396
397 // end of qsamplerChannelForm.ui.h
398

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