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

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Revision 468 - (show annotations) (download) (as text)
Wed Mar 16 09:49:37 2005 UTC (15 years ago) by capela
File MIME type: text/x-c++hdr
File size: 17436 byte(s)
* Device parameter dependencies are now properly handled.

1 // qsamplerDeviceForm.ui.h
2 //
3 // ui.h extension file, included from the uic-generated form implementation.
4 /****************************************************************************
5 Copyright (C) 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 <qmessagebox.h>
24 #include <qfiledialog.h>
25 #include <qfileinfo.h>
26 #include <qlistbox.h>
27 #include <qptrlist.h>
28 #include <qpopupmenu.h>
29
30 #include "qsamplerMainForm.h"
31
32 #include "config.h"
33
34
35 // Kind of constructor.
36 void qsamplerDeviceForm::init (void)
37 {
38 // Initialize locals.
39 m_pMainForm = (qsamplerMainForm *) QWidget::parentWidget();
40 m_pClient = NULL;
41 m_iDirtySetup = 0;
42 m_bNewDevice = false;
43 m_deviceType = qsamplerDevice::None;
44 m_pAudioItems = NULL;
45 m_pMidiItems = NULL;
46
47 // This an outsider (from designer), but rather important.
48 QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
49 this, SLOT(changeDeviceParam(int,int)));
50 QObject::connect(DevicePortParamTable, SIGNAL(valueChanged(int,int)),
51 this, SLOT(changeDevicePortParam(int,int)));
52
53 // Initial contents.
54 refreshDevices();
55 // Try to restore normal window positioning.
56 adjustSize();
57 }
58
59
60 // Kind of destructor.
61 void qsamplerDeviceForm::destroy (void)
62 {
63 }
64
65
66 // Notify our parent that we're emerging.
67 void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
68 {
69 if (m_pMainForm)
70 m_pMainForm->stabilizeForm();
71
72 stabilizeForm();
73
74 QWidget::showEvent(pShowEvent);
75 }
76
77
78 // Notify our parent that we're closing.
79 void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
80 {
81 QWidget::hideEvent(pHideEvent);
82
83 if (m_pMainForm)
84 m_pMainForm->stabilizeForm();
85 }
86
87
88 // Device configuration dialog setup formal initializer.
89 void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
90 {
91 // If it has not changed, do nothing.
92 if (m_pClient && m_pClient == pClient)
93 return;
94
95 // Set new reference.
96 m_pClient = pClient;
97
98 // OK. Do a whole refresh around.
99 refreshDevices();
100 }
101
102
103 // Create a new device from current table view.
104 void qsamplerDeviceForm::createDevice (void)
105 {
106 QListViewItem *pItem = DeviceListView->selectedItem();
107 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
108 return;
109
110 const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
111
112 // Build the parameter list...
113 const qsamplerDeviceParamMap& params = device.params();
114 lscp_param_t *pParams = new lscp_param_t [params.count() + 1];
115 int iParam = 0;
116 qsamplerDeviceParamMap::ConstIterator iter;
117 for (iter = params.begin(); iter != params.end(); ++iter) {
118 pParams[iParam].key = (char *) iter.key().latin1();
119 pParams[iParam].value = (char *) iter.data().value.latin1();
120 ++iParam;
121 }
122 // Null terminated.
123 pParams[iParam].key = NULL;
124 pParams[iParam].value = NULL;
125
126 // Now it depends on the device type...
127 qsamplerDeviceItem *pRootItem = NULL;
128 int iDeviceID = -1;
129 switch (device.deviceType()) {
130 case qsamplerDevice::Audio:
131 pRootItem = m_pAudioItems;
132 if ((iDeviceID = ::lscp_create_audio_device(m_pClient,
133 device.driverName().latin1(), pParams)) < 0)
134 m_pMainForm->appendMessagesClient("lscp_create_audio_device");
135 break;
136 case qsamplerDevice::Midi:
137 pRootItem = m_pMidiItems;
138 if ((iDeviceID = ::lscp_create_midi_device(m_pClient,
139 device.driverName().latin1(), pParams)) < 0)
140 m_pMainForm->appendMessagesClient("lscp_create_midi_device");
141 break;
142 case qsamplerDevice::None:
143 break;
144 }
145
146 // Free used parameter array.
147 delete pParams;
148
149 // We're on to create the new device item.
150 if (iDeviceID >= 0) {
151 // Append the new device item.
152 qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
153 m_pClient, device.deviceType(), iDeviceID);
154 // Just make it the new selection...
155 DeviceListView->setSelected(pDeviceItem, true);
156 // Done.
157 m_pMainForm->appendMessages(pDeviceItem->device().deviceTypeName()
158 + ' ' + pDeviceItem->device().deviceName()
159 + ' ' + tr("created."));
160 // Main session should be marked dirty.
161 m_pMainForm->sessionDirty();
162 }
163 }
164
165
166 // Delete current device in table view.
167 void qsamplerDeviceForm::deleteDevice (void)
168 {
169 QListViewItem *pItem = DeviceListView->selectedItem();
170 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
171 return;
172
173 const qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
174
175 // Prompt user if this is for real...
176 qsamplerOptions *pOptions = m_pMainForm->options();
177 if (pOptions && pOptions->bConfirmRemove) {
178 if (QMessageBox::warning(this, tr("Warning"),
179 tr("Delete %1 device:\n\n"
180 "%2\n\n"
181 "Are you sure?")
182 .arg(device.deviceTypeName())
183 .arg(device.deviceName()),
184 tr("OK"), tr("Cancel")) > 0)
185 return;
186 }
187
188 // Now it depends on the device type...
189 lscp_status_t ret = LSCP_FAILED;
190 switch (device.deviceType()) {
191 case qsamplerDevice::Audio:
192 if ((ret = ::lscp_destroy_audio_device(m_pClient,
193 device.deviceID())) != LSCP_OK)
194 m_pMainForm->appendMessagesClient("lscp_destroy_audio_device");
195 break;
196 case qsamplerDevice::Midi:
197 if ((ret = ::lscp_destroy_midi_device(m_pClient,
198 device.deviceID())) != LSCP_OK)
199 m_pMainForm->appendMessagesClient("lscp_destroy_midi_device");
200 break;
201 case qsamplerDevice::None:
202 break;
203 }
204
205 // Show result.
206 if (ret == LSCP_OK) {
207 // Show log message before loosing it.
208 m_pMainForm->appendMessages(device.deviceTypeName()
209 + ' ' + device.deviceName()
210 + ' ' + tr("deleted."));
211 // Done.
212 delete pItem;
213 // Main session should be marked dirty.
214 m_pMainForm->sessionDirty();
215 }
216 }
217
218
219 // Refresh all device list and views.
220 void qsamplerDeviceForm::refreshDevices (void)
221 {
222 // Avoid nested changes.
223 m_iDirtySetup++;
224
225 //
226 // (Re)Load complete device configuration data ...
227 //
228 m_pAudioItems = NULL;
229 m_pMidiItems = NULL;
230 DeviceListView->clear();
231 if (m_pClient) {
232 int *piDeviceIDs;
233 // Grab and pop Audio devices...
234 m_pAudioItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
235 qsamplerDevice::Audio);
236 if (m_pAudioItems) {
237 piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
238 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
239 new qsamplerDeviceItem(m_pAudioItems, m_pClient,
240 qsamplerDevice::Audio, piDeviceIDs[i]);
241 }
242 m_pAudioItems->setOpen(true);
243 }
244 // Grab and pop MIDI devices...
245 m_pMidiItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
246 qsamplerDevice::Midi);
247 if (m_pMidiItems) {
248 piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
249 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
250 new qsamplerDeviceItem(m_pMidiItems, m_pClient,
251 qsamplerDevice::Midi, piDeviceIDs[i]);
252 }
253 m_pMidiItems->setOpen(true);
254 }
255 }
256
257 // Done.
258 m_iDirtySetup--;
259
260 // Show something.
261 selectDevice();
262 }
263
264
265 // Driver selection slot.
266 void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
267 {
268 if (m_iDirtySetup > 0)
269 return;
270
271 //
272 // Driver name has changed for a new device...
273 //
274
275 QListViewItem *pItem = DeviceListView->selectedItem();
276 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
277 return;
278
279 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
280
281 // Driver change is only valid for scratch devices...
282 if (m_bNewDevice) {
283 m_iDirtySetup++;
284 device.setDriver(m_pClient, sDriverName);
285 DeviceParamTable->refresh(device.params(), m_bNewDevice);
286 m_iDirtySetup--;
287 // Done.
288 stabilizeForm();
289 }
290 }
291
292
293 // Device selection slot.
294 void qsamplerDeviceForm::selectDevice (void)
295 {
296 if (m_iDirtySetup > 0)
297 return;
298
299 //
300 // Device selection has changed...
301 //
302
303 QListViewItem *pItem = DeviceListView->selectedItem();
304 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
305 m_deviceType = qsamplerDevice::None;
306 DeviceNameTextLabel->setText(QString::null);
307 DeviceParamTable->setNumRows(0);
308 DevicePortComboBox->clear();
309 DevicePortParamTable->setNumRows(0);
310 DevicePortComboBox->setEnabled(false);
311 DevicePortParamTable->setEnabled(false);
312 stabilizeForm();
313 return;
314 }
315
316 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
317
318 m_iDirtySetup++;
319 // Flag whether this is a new device.
320 m_bNewDevice = (device.deviceID() < 0);
321
322 // Fill the device/driver heading...
323 QString sPrefix;
324 if (!m_bNewDevice)
325 sPrefix += device.deviceTypeName() + ' ';
326 DeviceNameTextLabel->setText(sPrefix + device.deviceName());
327 // The driver combobox is only rebuilt if device type has changed...
328 if (device.deviceType() != m_deviceType) {
329 DriverNameComboBox->clear();
330 DriverNameComboBox->insertStringList(
331 qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
332 m_deviceType = device.deviceType();
333 }
334 // Do we need a driver name?
335 if (m_bNewDevice || device.driverName().isEmpty())
336 device.setDriver(m_pClient, DriverNameComboBox->currentText());
337 const QString& sDriverName = device.driverName();
338 if (DriverNameComboBox->listBox()->findItem(sDriverName, Qt::ExactMatch) == NULL)
339 DriverNameComboBox->insertItem(sDriverName);
340 DriverNameComboBox->setCurrentText(sDriverName);
341 DriverNameTextLabel->setEnabled(m_bNewDevice);
342 DriverNameComboBox->setEnabled(m_bNewDevice);
343 // Fill the device parameter table...
344 DeviceParamTable->refresh(device.params(), m_bNewDevice);
345 // And now the device port/channel parameter table...
346 DevicePortComboBox->clear();
347 DevicePortParamTable->setNumRows(0);
348 if (m_bNewDevice) {
349 DevicePortComboBox->setEnabled(false);
350 DevicePortParamTable->setEnabled(false);
351 } else {
352 QPixmap pixmap;
353 switch (device.deviceType()) {
354 case qsamplerDevice::Audio:
355 pixmap = QPixmap::fromMimeSource("audio2.png");
356 break;
357 case qsamplerDevice::Midi:
358 pixmap = QPixmap::fromMimeSource("midi2.png");
359 break;
360 case qsamplerDevice::None:
361 break;
362 }
363 qsamplerDevicePortList& ports = device.ports();
364 qsamplerDevicePort *pPort;
365 for (pPort = ports.first(); pPort; pPort = ports.next()) {
366 DevicePortComboBox->insertItem(pixmap,
367 device.deviceTypeName() + ' ' + pPort->portName());
368 }
369 bool bEnabled = (ports.count() > 0);
370 DevicePortComboBox->setEnabled(bEnabled);
371 DevicePortParamTable->setEnabled(bEnabled);
372 }
373 // Done.
374 m_iDirtySetup--;
375
376 // Make the device port/channel selection effective.
377 selectDevicePort(DevicePortComboBox->currentItem());
378 }
379
380
381 // Device port/channel selection slot.
382 void qsamplerDeviceForm::selectDevicePort ( int iPort )
383 {
384 if (m_iDirtySetup > 0)
385 return;
386
387 //
388 // Device port/channel selection has changed...
389 //
390
391 QListViewItem *pItem = DeviceListView->selectedItem();
392 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
393 return;
394
395 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
396 qsamplerDevicePort *pPort = device.ports().at(iPort);
397 if (pPort) {
398 m_iDirtySetup++;
399 DevicePortParamTable->refresh(pPort->params(), false);
400 m_iDirtySetup--;
401 }
402 // Done.
403 stabilizeForm();
404 }
405
406
407 // Device parameter value change slot.
408 void qsamplerDeviceForm::changeDeviceParam ( int iRow, int iCol )
409 {
410 if (m_iDirtySetup > 0)
411 return;
412 if (iRow < 0 || iCol < 0)
413 return;
414
415 //
416 // Device parameter change...
417 //
418
419 QListViewItem *pItem = DeviceListView->selectedItem();
420 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
421 return;
422
423 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
424
425 m_iDirtySetup++;
426 // Table 1st column has the parameter name;
427 const QString sParam = DeviceParamTable->text(iRow, 0);
428 const QString sValue = DeviceParamTable->text(iRow, iCol);
429 int iRefresh = 0;
430
431 // Set the local device parameter value.
432 device.setParam(sParam, sValue);
433
434 // Set proper device parameter, on existing device ...
435 if (device.deviceID() >= 0) {
436 // Prepare parameter struct.
437 lscp_param_t param;
438 param.key = (char *) sParam.latin1();
439 param.value = (char *) sValue.latin1();
440 // Now it depends on the device type...
441 lscp_status_t ret = LSCP_FAILED;
442 switch (device.deviceType()) {
443 case qsamplerDevice::Audio:
444 if (sParam == "CHANNELS") iRefresh++;
445 if ((ret = ::lscp_set_audio_device_param(m_pClient,
446 device.deviceID(), &param)) != LSCP_OK)
447 m_pMainForm->appendMessagesClient("lscp_set_audio_device_param");
448 break;
449 case qsamplerDevice::Midi:
450 if (sParam == "PORTS") iRefresh++;
451 if ((ret = ::lscp_set_midi_device_param(m_pClient,
452 device.deviceID(), &param)) != LSCP_OK)
453 m_pMainForm->appendMessagesClient("lscp_set_midi_device_param");
454 break;
455 case qsamplerDevice::None:
456 break;
457 }
458 // Show result.
459 if (ret == LSCP_OK) {
460 m_pMainForm->appendMessages(device.deviceTypeName()
461 + ' ' + device.deviceName()
462 + ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
463 // Special care for specific parameter changes...
464 if (iRefresh > 0)
465 iRefresh += device.refreshPorts(m_pClient);
466 iRefresh += device.refreshDepends(m_pClient, sParam);
467 }
468 }
469
470 // Done.
471 m_iDirtySetup--;
472 // Finally, we might need refreshing...
473 if (iRefresh > 0)
474 selectDevice();
475 else
476 stabilizeForm();
477 // Main session should be dirtier...
478 m_pMainForm->sessionDirty();
479 }
480
481
482 // Device port/channel parameter value change slot.
483 void qsamplerDeviceForm::changeDevicePortParam ( int iRow, int iCol )
484 {
485 if (m_iDirtySetup > 0)
486 return;
487 if (iRow < 0 || iCol < 0)
488 return;
489
490 //
491 // Device port/channel parameter change...
492 //
493
494 QListViewItem *pItem = DeviceListView->selectedItem();
495 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
496 return;
497
498 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
499
500 int iPort = DevicePortComboBox->currentItem();
501 qsamplerDevicePort *pPort = device.ports().at(iPort);
502 if (pPort == NULL)
503 return;
504
505 m_iDirtySetup++;
506 // Table 1st column has the parameter name;
507 const QString sParam = DevicePortParamTable->text(iRow, 0);
508 const QString sValue = DevicePortParamTable->text(iRow, iCol);
509
510 // Set the local device port/channel parameter value.
511 pPort->setParam(sParam, sValue);
512
513 // Set proper device port/channel parameter, if any...
514 if (device.deviceID() >= 0 && pPort->portID() >= 0) {
515 // Prepare parameter struct.
516 lscp_param_t param;
517 param.key = (char *) sParam.latin1();
518 param.value = (char *) sValue.latin1();
519 // Now it depends on the device type...
520 lscp_status_t ret = LSCP_FAILED;
521 switch (device.deviceType()) {
522 case qsamplerDevice::Audio:
523 if ((ret = ::lscp_set_audio_channel_param(m_pClient,
524 device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
525 m_pMainForm->appendMessagesClient("lscp_set_audio_channel_param");
526 break;
527 case qsamplerDevice::Midi:
528 if ((ret = ::lscp_set_midi_port_param(m_pClient,
529 device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
530 m_pMainForm->appendMessagesClient("lscp_set_midi_port_param");
531 break;
532 case qsamplerDevice::None:
533 break;
534 }
535 // Show result.
536 if (ret == LSCP_OK) {
537 m_pMainForm->appendMessages(device.deviceTypeName()
538 + ' ' + device.deviceName() + ' ' + pPort->portName()
539 + ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
540 }
541 }
542
543 // Done.
544 m_iDirtySetup--;
545 stabilizeForm();
546 // Main session should be dirtier...
547 m_pMainForm->sessionDirty();
548 }
549
550
551 // Device list view context menu handler.
552 void qsamplerDeviceForm::contextMenu ( QListViewItem *pItem, const QPoint& pos, int )
553 {
554 int iItemID;
555
556 // Build the device context menu...
557 QPopupMenu* pContextMenu = new QPopupMenu(this);
558
559 bool bClient = (m_pClient != NULL);
560 bool bEnabled = (pItem != NULL);
561 iItemID = pContextMenu->insertItem(
562 QIconSet(QPixmap::fromMimeSource("deviceCreate.png")),
563 tr("&Create device"), this, SLOT(createDevice()));
564 pContextMenu->setItemEnabled(iItemID, bEnabled || (bClient && m_bNewDevice));
565 iItemID = pContextMenu->insertItem(
566 QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
567 tr("&Delete device"), this, SLOT(deleteDevice()));
568 pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
569 pContextMenu->insertSeparator();
570 iItemID = pContextMenu->insertItem(
571 QIconSet(QPixmap::fromMimeSource("formRefresh.png")),
572 tr("&Refresh"), this, SLOT(refreshDevices()));
573 pContextMenu->setItemEnabled(iItemID, bClient);
574
575 pContextMenu->exec(pos);
576
577 delete pContextMenu;
578 }
579
580
581 // Stabilize current form state.
582 void qsamplerDeviceForm::stabilizeForm (void)
583 {
584 QListViewItem *pItem = DeviceListView->selectedItem();
585 bool bClient = (m_pClient != NULL);
586 bool bEnabled = (pItem != NULL);
587 DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
588 DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
589 DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
590 DeviceParamTable->setEnabled(bEnabled);
591 RefreshDevicesPushButton->setEnabled(bClient);
592 CreateDevicePushButton->setEnabled(bEnabled || (bClient && m_bNewDevice));
593 DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
594 }
595
596
597 // end of qsamplerDeviceForm.ui.h
598
599
600

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