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

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Revision 467 - (show annotations) (download) (as text)
Tue Mar 15 23:54:14 2005 UTC (14 years, 6 months ago) by capela
File MIME type: text/x-c++hdr
File size: 17489 byte(s)
Device port/channel configuration refreshing fix.

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 m_pAudioItems->setText(0, tr("Audio"));
238 piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
239 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
240 new qsamplerDeviceItem(m_pAudioItems, m_pClient,
241 qsamplerDevice::Audio, piDeviceIDs[i]);
242 }
243 m_pAudioItems->setOpen(true);
244 }
245 // Grab and pop MIDI devices...
246 m_pMidiItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
247 qsamplerDevice::Midi);
248 if (m_pMidiItems) {
249 m_pMidiItems->setText(0, tr("MIDI"));
250 piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
251 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
252 new qsamplerDeviceItem(m_pMidiItems, m_pClient,
253 qsamplerDevice::Midi, piDeviceIDs[i]);
254 }
255 m_pMidiItems->setOpen(true);
256 }
257 }
258
259 // Done.
260 m_iDirtySetup--;
261
262 // Show something.
263 selectDevice();
264 }
265
266
267 // Driver selection slot.
268 void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
269 {
270 if (m_iDirtySetup > 0)
271 return;
272
273 //
274 // Driver name has changed for a new device...
275 //
276
277 QListViewItem *pItem = DeviceListView->selectedItem();
278 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
279 return;
280
281 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
282
283 // Driver change is only valid for scratch devices...
284 if (m_bNewDevice) {
285 m_iDirtySetup++;
286 device.setDriver(m_pClient, sDriverName);
287 DeviceParamTable->refresh(device.params(), m_bNewDevice);
288 m_iDirtySetup--;
289 // Done.
290 stabilizeForm();
291 }
292 }
293
294
295 // Device selection slot.
296 void qsamplerDeviceForm::selectDevice (void)
297 {
298 if (m_iDirtySetup > 0)
299 return;
300
301 //
302 // Device selection has changed...
303 //
304
305 QListViewItem *pItem = DeviceListView->selectedItem();
306 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
307 m_deviceType = qsamplerDevice::None;
308 DeviceNameTextLabel->setText(QString::null);
309 DeviceParamTable->setNumRows(0);
310 DevicePortParamTable->setNumRows(0);
311 DevicePortComboBox->setEnabled(false);
312 DevicePortParamTable->setEnabled(false);
313 stabilizeForm();
314 return;
315 }
316
317 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
318
319 m_iDirtySetup++;
320 // Flag whether this is a new device.
321 m_bNewDevice = (device.deviceID() < 0);
322
323 // Fill the device/driver heading...
324 QString sPrefix;
325 if (!m_bNewDevice)
326 sPrefix += device.deviceTypeName() + ' ';
327 DeviceNameTextLabel->setText(sPrefix + device.deviceName());
328 // The driver combobox is only rebuilt if device type has changed...
329 if (device.deviceType() != m_deviceType) {
330 DriverNameComboBox->clear();
331 DriverNameComboBox->insertStringList(
332 qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
333 m_deviceType = device.deviceType();
334 }
335 // Do we need a driver name?
336 if (m_bNewDevice || device.driverName().isEmpty())
337 device.setDriver(m_pClient, DriverNameComboBox->currentText());
338 const QString& sDriverName = device.driverName();
339 if (DriverNameComboBox->listBox()->findItem(sDriverName, Qt::ExactMatch) == NULL)
340 DriverNameComboBox->insertItem(sDriverName);
341 DriverNameComboBox->setCurrentText(sDriverName);
342 DriverNameTextLabel->setEnabled(m_bNewDevice);
343 DriverNameComboBox->setEnabled(m_bNewDevice);
344 // Fill the device parameter table...
345 DeviceParamTable->refresh(device.params(), m_bNewDevice);
346 // And now the device port/channel parameter table...
347 DevicePortComboBox->clear();
348 DevicePortParamTable->setNumRows(0);
349 if (m_bNewDevice) {
350 DevicePortComboBox->setEnabled(false);
351 DevicePortParamTable->setEnabled(false);
352 } else {
353 QPixmap pixmap;
354 switch (device.deviceType()) {
355 case qsamplerDevice::Audio:
356 pixmap = QPixmap::fromMimeSource("audio2.png");
357 break;
358 case qsamplerDevice::Midi:
359 pixmap = QPixmap::fromMimeSource("midi2.png");
360 break;
361 case qsamplerDevice::None:
362 break;
363 }
364 qsamplerDevicePortList& ports = device.ports();
365 qsamplerDevicePort *pPort;
366 for (pPort = ports.first(); pPort; pPort = ports.next()) {
367 DevicePortComboBox->insertItem(pixmap,
368 device.deviceTypeName() + ' ' + pPort->portName());
369 }
370 bool bEnabled = (ports.count() > 0);
371 DevicePortComboBox->setEnabled(bEnabled);
372 DevicePortParamTable->setEnabled(bEnabled);
373 }
374 // Done.
375 m_iDirtySetup--;
376
377 // Make the device port/channel selection effective.
378 selectDevicePort(DevicePortComboBox->currentItem());
379 }
380
381
382 // Device port/channel selection slot.
383 void qsamplerDeviceForm::selectDevicePort ( int iPort )
384 {
385 if (m_iDirtySetup > 0)
386 return;
387
388 //
389 // Device port/channel selection has changed...
390 //
391
392 QListViewItem *pItem = DeviceListView->selectedItem();
393 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
394 return;
395
396 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
397 qsamplerDevicePort *pPort = device.ports().at(iPort);
398 if (pPort) {
399 m_iDirtySetup++;
400 DevicePortParamTable->refresh(pPort->params(), false);
401 m_iDirtySetup--;
402 }
403 // Done.
404 stabilizeForm();
405 }
406
407
408 // Device parameter value change slot.
409 void qsamplerDeviceForm::changeDeviceParam ( int iRow, int iCol )
410 {
411 if (m_iDirtySetup > 0)
412 return;
413 if (iRow < 0 || iCol < 0)
414 return;
415
416 //
417 // Device parameter change...
418 //
419
420 QListViewItem *pItem = DeviceListView->selectedItem();
421 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
422 return;
423
424 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
425
426 m_iDirtySetup++;
427 // Table 1st column has the parameter name;
428 const QString sParam = DeviceParamTable->text(iRow, 0);
429 const QString sValue = DeviceParamTable->text(iRow, iCol);
430 int iRefresh = 0;
431
432 // Set the local device parameter value.
433 device.setParam(sParam, sValue);
434
435 // Set proper device parameter, on existing device ...
436 if (device.deviceID() >= 0) {
437 // Prepare parameter struct.
438 lscp_param_t param;
439 param.key = (char *) sParam.latin1();
440 param.value = (char *) sValue.latin1();
441 // Now it depends on the device type...
442 lscp_status_t ret = LSCP_FAILED;
443 switch (device.deviceType()) {
444 case qsamplerDevice::Audio:
445 if (sParam == "CHANNELS") iRefresh++;
446 if ((ret = ::lscp_set_audio_device_param(m_pClient,
447 device.deviceID(), &param)) != LSCP_OK)
448 m_pMainForm->appendMessagesClient("lscp_set_audio_device_param");
449 break;
450 case qsamplerDevice::Midi:
451 if (sParam == "PORTS") iRefresh++;
452 if ((ret = ::lscp_set_midi_device_param(m_pClient,
453 device.deviceID(), &param)) != LSCP_OK)
454 m_pMainForm->appendMessagesClient("lscp_set_midi_device_param");
455 break;
456 case qsamplerDevice::None:
457 break;
458 }
459 // Show result.
460 if (ret == LSCP_OK) {
461 m_pMainForm->appendMessages(device.deviceTypeName()
462 + ' ' + device.deviceName()
463 + ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
464 // Special care for specific parameter changes...
465 if (iRefresh > 0)
466 iRefresh += device.refreshPorts(m_pClient);
467 iRefresh += device.refreshDepends(m_pClient, sParam);
468 }
469 }
470
471 // Done.
472 m_iDirtySetup--;
473 // Finally, we might need refreshing...
474 if (iRefresh > 0)
475 selectDevice();
476 else
477 stabilizeForm();
478 // Main session should be dirtier...
479 m_pMainForm->sessionDirty();
480 }
481
482
483 // Device port/channel parameter value change slot.
484 void qsamplerDeviceForm::changeDevicePortParam ( int iRow, int iCol )
485 {
486 if (m_iDirtySetup > 0)
487 return;
488 if (iRow < 0 || iCol < 0)
489 return;
490
491 //
492 // Device port/channel parameter change...
493 //
494
495 QListViewItem *pItem = DeviceListView->selectedItem();
496 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
497 return;
498
499 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
500
501 int iPort = DevicePortComboBox->currentItem();
502 qsamplerDevicePort *pPort = device.ports().at(iPort);
503 if (pPort == NULL)
504 return;
505
506 m_iDirtySetup++;
507 // Table 1st column has the parameter name;
508 const QString sParam = DevicePortParamTable->text(iRow, 0);
509 const QString sValue = DevicePortParamTable->text(iRow, iCol);
510
511 // Set the local device port/channel parameter value.
512 pPort->setParam(sParam, sValue);
513
514 // Set proper device port/channel parameter, if any...
515 if (device.deviceID() >= 0 && pPort->portID() >= 0) {
516 // Prepare parameter struct.
517 lscp_param_t param;
518 param.key = (char *) sParam.latin1();
519 param.value = (char *) sValue.latin1();
520 // Now it depends on the device type...
521 lscp_status_t ret = LSCP_FAILED;
522 switch (device.deviceType()) {
523 case qsamplerDevice::Audio:
524 if ((ret = ::lscp_set_audio_channel_param(m_pClient,
525 device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
526 m_pMainForm->appendMessagesClient("lscp_set_audio_channel_param");
527 break;
528 case qsamplerDevice::Midi:
529 if ((ret = ::lscp_set_midi_port_param(m_pClient,
530 device.deviceID(), pPort->portID(), &param)) != LSCP_OK)
531 m_pMainForm->appendMessagesClient("lscp_set_midi_port_param");
532 break;
533 case qsamplerDevice::None:
534 break;
535 }
536 // Show result.
537 if (ret == LSCP_OK) {
538 m_pMainForm->appendMessages(device.deviceTypeName()
539 + ' ' + device.deviceName() + ' ' + pPort->portName()
540 + ' ' + QString("%1: %2.").arg(sParam).arg(sValue));
541 }
542 }
543
544 // Done.
545 m_iDirtySetup--;
546 stabilizeForm();
547 // Main session should be dirtier...
548 m_pMainForm->sessionDirty();
549 }
550
551
552 // Device list view context menu handler.
553 void qsamplerDeviceForm::contextMenu ( QListViewItem *pItem, const QPoint& pos, int )
554 {
555 int iItemID;
556
557 // Build the device context menu...
558 QPopupMenu* pContextMenu = new QPopupMenu(this);
559
560 bool bClient = (m_pClient != NULL);
561 bool bEnabled = (pItem != NULL);
562 iItemID = pContextMenu->insertItem(
563 QIconSet(QPixmap::fromMimeSource("deviceCreate.png")),
564 tr("&Create device"), this, SLOT(createDevice()));
565 pContextMenu->setItemEnabled(iItemID, bEnabled || (bClient && m_bNewDevice));
566 iItemID = pContextMenu->insertItem(
567 QIconSet(QPixmap::fromMimeSource("deviceDelete.png")),
568 tr("&Delete device"), this, SLOT(deleteDevice()));
569 pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
570 pContextMenu->insertSeparator();
571 iItemID = pContextMenu->insertItem(
572 QIconSet(QPixmap::fromMimeSource("formRefresh.png")),
573 tr("&Refresh"), this, SLOT(refreshDevices()));
574 pContextMenu->setItemEnabled(iItemID, bClient);
575
576 pContextMenu->exec(pos);
577
578 delete pContextMenu;
579 }
580
581
582 // Stabilize current form state.
583 void qsamplerDeviceForm::stabilizeForm (void)
584 {
585 QListViewItem *pItem = DeviceListView->selectedItem();
586 bool bClient = (m_pClient != NULL);
587 bool bEnabled = (pItem != NULL);
588 DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
589 DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
590 DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
591 DeviceParamTable->setEnabled(bEnabled);
592 RefreshDevicesPushButton->setEnabled(bClient);
593 CreateDevicePushButton->setEnabled(bEnabled || (bClient && m_bNewDevice));
594 DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
595 }
596
597
598 // end of qsamplerDeviceForm.ui.h
599
600
601

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