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

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Revision 1473 - (show annotations) (download)
Mon Nov 5 19:07:26 2007 UTC (16 years, 5 months ago) by capela
File size: 17377 byte(s)
* Qt4 migration: still far from complete, the .ui files got shaved
  with special regard to some redundant or duplicated signal/slot
  connections and to the options dialog font aesthetics as also
  other minors.

1 // qsamplerDeviceForm.cpp
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2007, 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 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 "qsamplerDeviceForm.h"
24
25 #include "qsamplerAbout.h"
26 #include "qsamplerMainForm.h"
27
28 namespace QSampler {
29
30 DeviceForm::DeviceForm(QWidget* parent, Qt::WFlags f) : QDialog(parent, f) {
31 ui.setupUi(this);
32
33 // Initialize locals.
34 m_iDirtySetup = 0;
35 m_iDirtyCount = 0;
36 m_bNewDevice = false;
37 m_deviceType = qsamplerDevice::None;
38 m_pAudioItems = NULL;
39 m_pMidiItems = NULL;
40 // No exclusive mode as default.
41 m_deviceTypeMode = qsamplerDevice::None;
42
43 ui.DeviceParamTable->setModel(&deviceParamModel);
44 ui.DeviceParamTable->setItemDelegate(&deviceParamDelegate);
45
46 ui.DevicePortParamTable->setModel(&devicePortParamModel);
47 ui.DevicePortParamTable->setItemDelegate(&devicePortParamDelegate);
48
49 // This an outsider (from designer), but rather important.
50 //QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
51 // this, SLOT(changeDeviceParam(int,int)));
52 //QObject::connect(DevicePortParamTable, SIGNAL(valueChanged(int,int)),
53 // this, SLOT(changeDevicePortParam(int,int)));
54
55 // Initial contents.
56 refreshDevices();
57 // Try to restore normal window positioning.
58 adjustSize();
59
60 QObject::connect(ui.DeviceListView,
61 SIGNAL(itemSelectionChanged()),
62 SLOT(selectDevice()));
63 QObject::connect(ui.DeviceListView,
64 SIGNAL(customContextMenuRequested(const QPoint&)),
65 SLOT(deviceListViewContextMenu(const QPoint&)));
66 QObject::connect(ui.RefreshDevicesPushButton,
67 SIGNAL(clicked()),
68 SLOT(refreshDevices()));
69 QObject::connect(ui.DriverNameComboBox,
70 SIGNAL(activated(const QString&)),
71 SLOT(selectDriver(const QString&)));
72 QObject::connect(ui.DevicePortComboBox,
73 SIGNAL(activated(int)),
74 SLOT(selectDevicePort(int)));
75 QObject::connect(ui.CreateDevicePushButton,
76 SIGNAL(clicked()),
77 SLOT(createDevice()));
78 QObject::connect(ui.DeleteDevicePushButton,
79 SIGNAL(clicked()),
80 SLOT(deleteDevice()));
81 QObject::connect(ui.ClosePushButton,
82 SIGNAL(clicked()),
83 SLOT(close()));
84 }
85
86 DeviceForm::~DeviceForm() {
87 }
88
89
90 // Notify our parent that we're emerging.
91 void DeviceForm::showEvent ( QShowEvent *pShowEvent )
92 {
93 MainForm* pMainForm = MainForm::getInstance();
94 if (pMainForm)
95 pMainForm->stabilizeForm();
96
97 stabilizeForm();
98
99 QWidget::showEvent(pShowEvent);
100 }
101
102
103 // Notify our parent that we're closing.
104 void DeviceForm::hideEvent ( QHideEvent *pHideEvent )
105 {
106 QWidget::hideEvent(pHideEvent);
107
108 MainForm *pMainForm = MainForm::getInstance();
109 if (pMainForm)
110 pMainForm->stabilizeForm();
111
112 // Signal special whether we changed the device set.
113 if (m_iDirtyCount > 0) {
114 m_iDirtyCount = 0;
115 emit devicesChanged();
116 }
117 }
118
119
120 // Set device type spacial exclusive mode.
121 void DeviceForm::setDeviceTypeMode (
122 qsamplerDevice::qsamplerDeviceType deviceTypeMode )
123 {
124 // If it has not changed, do nothing.
125 if (m_deviceTypeMode == deviceTypeMode)
126 return;
127
128 m_deviceTypeMode = deviceTypeMode;
129
130 // OK. Do a whole refresh around.
131 refreshDevices();
132 }
133
134
135 // Device driver name setup formal initializer.
136 void DeviceForm::setDriverName ( const QString& sDriverName )
137 {
138 if (ui.DriverNameComboBox->findText(sDriverName) == 0) {
139 ui.DriverNameComboBox->insertItem(sDriverName);
140 }
141 ui.DriverNameComboBox->setCurrentText(sDriverName);
142 }
143
144
145 // Set current selected device by type and id.
146 void DeviceForm::setDevice ( qsamplerDevice *pDevice )
147 {
148 // In case no device is given...
149 qsamplerDevice::qsamplerDeviceType deviceType = m_deviceTypeMode;
150 if (pDevice)
151 deviceType = pDevice->deviceType();
152
153 // Get the device view root item...
154 qsamplerDeviceItem *pRootItem = NULL;
155 switch (deviceType) {
156 case qsamplerDevice::Audio:
157 pRootItem = m_pAudioItems;
158 break;
159 case qsamplerDevice::Midi:
160 pRootItem = m_pMidiItems;
161 break;
162 case qsamplerDevice::None:
163 break;
164 }
165
166 // Is the root present?
167 if (pRootItem == NULL)
168 return;
169
170 // So there's no device huh?
171 if (pDevice == NULL) {
172 ui.DeviceListView->setCurrentItem(pRootItem);
173 return;
174 }
175
176 // For each child, test for identity...
177 for (int i = 0; i < pRootItem->childCount(); i++) {
178 qsamplerDeviceItem* pDeviceItem =
179 (qsamplerDeviceItem*) pRootItem->child(i);
180
181 // If identities match, select as current device item.
182 if (pDeviceItem->device().deviceID() == pDevice->deviceID()) {
183 pDeviceItem->setSelected(true);
184 break;
185 }
186 }
187 }
188
189
190
191 // Create a new device from current table view.
192 void DeviceForm::createDevice (void)
193 {
194 MainForm *pMainForm = MainForm::getInstance();
195 if (pMainForm == NULL)
196 return;
197
198 QTreeWidgetItem *pItem = ui.DeviceListView->currentItem();
199 if (pItem == NULL || pItem->type() != QSAMPLER_DEVICE_ITEM)
200 return;
201
202 // About a brand new device instance...
203 qsamplerDevice device(((qsamplerDeviceItem *) pItem)->device());
204 if (device.createDevice()) {
205 // Now it depends on the device type...
206 qsamplerDeviceItem *pRootItem = NULL;
207 switch (device.deviceType()) {
208 case qsamplerDevice::Audio:
209 pRootItem = m_pAudioItems;
210 break;
211 case qsamplerDevice::Midi:
212 pRootItem = m_pMidiItems;
213 break;
214 case qsamplerDevice::None:
215 break;
216 }
217 // Append the new device item.
218 qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
219 device.deviceType(), device.deviceID());
220 // Just make it the new selection...
221 pDeviceItem->setSelected(true);
222 // Main session should be marked dirty.
223 pMainForm->sessionDirty();
224 m_iDirtyCount++;
225 }
226 }
227
228
229 // Delete current device in table view.
230 void DeviceForm::deleteDevice (void)
231 {
232 MainForm *pMainForm = MainForm::getInstance();
233 if (pMainForm == NULL)
234 return;
235
236 QTreeWidgetItem* pItem = ui.DeviceListView->currentItem();
237 if (pItem == NULL || pItem->type() != QSAMPLER_DEVICE_ITEM)
238 return;
239
240 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
241
242 // Prompt user if this is for real...
243 qsamplerOptions *pOptions = pMainForm->options();
244 if (pOptions && pOptions->bConfirmRemove) {
245 if (QMessageBox::warning(this,
246 QSAMPLER_TITLE ": " + tr("Warning"),
247 tr("Delete device:\n\n"
248 "%1\n\n"
249 "Are you sure?")
250 .arg(device.deviceName()),
251 tr("OK"), tr("Cancel")) > 0)
252 return;
253 }
254
255 // Go and destroy...
256 if (device.deleteDevice()) {
257 // Remove it from the device view...
258 delete pItem;
259 // Main session should be marked dirty.
260 pMainForm->sessionDirty();
261 m_iDirtyCount++;
262 }
263 }
264
265
266 // Refresh all device list and views.
267 void DeviceForm::refreshDevices (void)
268 {
269 MainForm *pMainForm = MainForm::getInstance();
270 if (pMainForm == NULL)
271 return;
272
273 // Avoid nested changes.
274 m_iDirtySetup++;
275
276 //
277 // (Re)Load complete device configuration data ...
278 //
279 m_pAudioItems = NULL;
280 m_pMidiItems = NULL;
281 ui.DeviceListView->clear();
282 if (pMainForm->client()) {
283 int *piDeviceIDs;
284 // Grab and pop Audio devices...
285 if (m_deviceTypeMode == qsamplerDevice::None ||
286 m_deviceTypeMode == qsamplerDevice::Audio) {
287 m_pAudioItems = new qsamplerDeviceItem(ui.DeviceListView,
288 qsamplerDevice::Audio);
289 }
290 if (m_pAudioItems) {
291 piDeviceIDs = qsamplerDevice::getDevices(pMainForm->client(),
292 qsamplerDevice::Audio);
293 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
294 new qsamplerDeviceItem(m_pAudioItems,
295 qsamplerDevice::Audio, piDeviceIDs[i]);
296 }
297 m_pAudioItems->setExpanded(true);
298 }
299 // Grab and pop MIDI devices...
300 if (m_deviceTypeMode == qsamplerDevice::None ||
301 m_deviceTypeMode == qsamplerDevice::Midi) {
302 m_pMidiItems = new qsamplerDeviceItem(ui.DeviceListView,
303 qsamplerDevice::Midi);
304 }
305 if (m_pMidiItems) {
306 piDeviceIDs = qsamplerDevice::getDevices(pMainForm->client(),
307 qsamplerDevice::Midi);
308 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
309 new qsamplerDeviceItem(m_pMidiItems,
310 qsamplerDevice::Midi, piDeviceIDs[i]);
311 }
312 m_pMidiItems->setExpanded(true);
313 }
314 }
315
316 // Done.
317 m_iDirtySetup--;
318
319 // Show something.
320 selectDevice();
321 }
322
323
324 // Driver selection slot.
325 void DeviceForm::selectDriver ( const QString& sDriverName )
326 {
327 if (m_iDirtySetup > 0)
328 return;
329
330 //
331 // Driver name has changed for a new device...
332 //
333
334 QTreeWidgetItem* pItem = ui.DeviceListView->currentItem();
335 if (pItem == NULL || pItem->type() != QSAMPLER_DEVICE_ITEM)
336 return;
337
338 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
339
340 // Driver change is only valid for scratch devices...
341 if (m_bNewDevice) {
342 m_iDirtySetup++;
343 device.setDriver(sDriverName);
344 deviceParamModel.refresh(device.params(), m_bNewDevice);
345 m_iDirtySetup--;
346 // Done.
347 stabilizeForm();
348 }
349 }
350
351
352 // Device selection slot.
353 void DeviceForm::selectDevice (void)
354 {
355 MainForm *pMainForm = MainForm::getInstance();
356 if (pMainForm == NULL)
357 return;
358
359 if (m_iDirtySetup > 0)
360 return;
361
362 //
363 // Device selection has changed...
364 //
365
366 QTreeWidgetItem* pItem = ui.DeviceListView->currentItem();
367 if (pItem == NULL || pItem->type() != QSAMPLER_DEVICE_ITEM) {
368 m_deviceType = qsamplerDevice::None;
369 ui.DeviceNameTextLabel->setText(QString::null);
370 deviceParamModel.clear();
371 ui.DevicePortComboBox->clear();
372 devicePortParamModel.clear();
373 ui.DevicePortTextLabel->setEnabled(false);
374 ui.DevicePortComboBox->setEnabled(false);
375 ui.DevicePortParamTable->setEnabled(false);
376 stabilizeForm();
377 return;
378 }
379
380 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
381
382 m_iDirtySetup++;
383 // Flag whether this is a new device.
384 m_bNewDevice = (device.deviceID() < 0);
385
386 // Fill the device/driver heading...
387 ui.DeviceNameTextLabel->setText(device.deviceName());
388 // The driver combobox is only rebuilt if device type has changed...
389 if (device.deviceType() != m_deviceType) {
390 ui.DriverNameComboBox->clear();
391 ui.DriverNameComboBox->insertStringList(
392 qsamplerDevice::getDrivers(pMainForm->client(), device.deviceType()));
393 m_deviceType = device.deviceType();
394 }
395 // Do we need a driver name?
396 if (m_bNewDevice || device.driverName().isEmpty())
397 device.setDriver(ui.DriverNameComboBox->currentText());
398 setDriverName(device.driverName());
399 ui.DriverNameTextLabel->setEnabled(m_bNewDevice);
400 ui.DriverNameComboBox->setEnabled(m_bNewDevice);
401 // Fill the device parameter table...
402 deviceParamModel.refresh(device.params(), m_bNewDevice);
403 // And now the device port/channel parameter table...
404 switch (device.deviceType()) {
405 case qsamplerDevice::Audio:
406 ui.DevicePortTextLabel->setText(tr("Ch&annel:"));
407 break;
408 case qsamplerDevice::Midi:
409 ui.DevicePortTextLabel->setText(tr("P&ort:"));
410 break;
411 case qsamplerDevice::None:
412 break;
413 }
414 ui.DevicePortComboBox->clear();
415 devicePortParamModel.clear();
416 if (m_bNewDevice) {
417 ui.DevicePortTextLabel->setEnabled(false);
418 ui.DevicePortComboBox->setEnabled(false);
419 ui.DevicePortParamTable->setEnabled(false);
420 } else {
421 QPixmap pixmap;
422 switch (device.deviceType()) {
423 case qsamplerDevice::Audio:
424 pixmap = QPixmap(":/qsampler/pixmaps/audio2.png");
425 break;
426 case qsamplerDevice::Midi:
427 pixmap = QPixmap(":/qsampler/pixmaps/midi2.png");
428 break;
429 case qsamplerDevice::None:
430 break;
431 }
432 qsamplerDevicePortList& ports = device.ports();
433 qsamplerDevicePort *pPort;
434 for (pPort = ports.first(); pPort; pPort = ports.next()) {
435 ui.DevicePortComboBox->insertItem(pixmap, device.deviceTypeName()
436 + ' ' + device.driverName()
437 + ' ' + pPort->portName());
438 }
439 bool bEnabled = (ports.count() > 0);
440 ui.DevicePortTextLabel->setEnabled(bEnabled);
441 ui.DevicePortComboBox->setEnabled(bEnabled);
442 ui.DevicePortParamTable->setEnabled(bEnabled);
443 }
444 // Done.
445 m_iDirtySetup--;
446
447 // Make the device port/channel selection effective.
448 selectDevicePort(ui.DevicePortComboBox->currentItem());
449 }
450
451
452 // Device port/channel selection slot.
453 void DeviceForm::selectDevicePort ( int iPort )
454 {
455 if (m_iDirtySetup > 0)
456 return;
457
458 //
459 // Device port/channel selection has changed...
460 //
461
462 QTreeWidgetItem* pItem = ui.DeviceListView->currentItem();
463 if (pItem == NULL || pItem->type() != QSAMPLER_DEVICE_ITEM)
464 return;
465
466 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
467 qsamplerDevicePort *pPort = device.ports().at(iPort);
468 if (pPort) {
469 m_iDirtySetup++;
470 devicePortParamModel.refresh(pPort->params(), false);
471 m_iDirtySetup--;
472 }
473 // Done.
474 stabilizeForm();
475 }
476
477
478 // Device parameter value change slot.
479 void DeviceForm::changeDeviceParam ( int iRow, int iCol )
480 {
481 if (m_iDirtySetup > 0)
482 return;
483 if (iRow < 0 || iCol < 0)
484 return;
485
486 //
487 // Device parameter change...
488 //
489
490 QTreeWidgetItem* pItem = ui.DeviceListView->currentItem();
491 if (pItem == NULL || pItem->type() != QSAMPLER_DEVICE_ITEM)
492 return;
493
494 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
495
496 // Table 1st column has the parameter name;
497 //const QString sParam = ui.DeviceParamTable->text(iRow, 0);
498 //const QString sValue = ui.DeviceParamTable->text(iRow, iCol);
499 const QString sParam = deviceParamModel.data(deviceParamModel.index(iRow, 0), Qt::DisplayRole).value<DeviceParameterRow>().name;
500 const QString sValue = deviceParamModel.data(deviceParamModel.index(iRow, iCol), Qt::DisplayRole).value<DeviceParameterRow>().param.value;
501 // Set the local device parameter value.
502 if (device.setParam(sParam, sValue)) {
503 selectDevice();
504 } else {
505 stabilizeForm();
506 }
507
508 // Main session should be dirtier...
509 MainForm *pMainForm = MainForm::getInstance();
510 if (pMainForm)
511 pMainForm->sessionDirty();
512 }
513
514
515 // Device port/channel parameter value change slot.
516 void DeviceForm::changeDevicePortParam ( int iRow, int iCol )
517 {
518 if (m_iDirtySetup > 0)
519 return;
520 if (iRow < 0 || iCol < 0)
521 return;
522
523 //
524 // Device port/channel parameter change...
525 //
526
527 QTreeWidgetItem* pItem = ui.DeviceListView->currentItem();
528 if (pItem == NULL || pItem->type() != QSAMPLER_DEVICE_ITEM)
529 return;
530
531 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
532
533 int iPort = ui.DevicePortComboBox->currentItem();
534 qsamplerDevicePort *pPort = device.ports().at(iPort);
535 if (pPort == NULL)
536 return;
537
538 // Table 1st column has the parameter name;
539 //const QString sParam = ui.DevicePortParamTable->text(iRow, 0);
540 //const QString sValue = ui.DevicePortParamTable->text(iRow, iCol);
541 const QString sParam = devicePortParamModel.data(devicePortParamModel.index(iRow, 0), Qt::DisplayRole).value<DeviceParameterRow>().name;
542 const QString sValue = devicePortParamModel.data(devicePortParamModel.index(iRow, iCol), Qt::DisplayRole).value<DeviceParameterRow>().param.value;
543
544 // Set the local device port/channel parameter value.
545 pPort->setParam(sParam, sValue);
546 // Done.
547 stabilizeForm();
548
549 // Main session should be dirtier...
550 MainForm* pMainForm = MainForm::getInstance();
551 if (pMainForm)
552 pMainForm->sessionDirty();
553 }
554
555
556 // Device list view context menu handler.
557 void DeviceForm::deviceListViewContextMenu ( const QPoint& pos )
558 {
559 MainForm *pMainForm = MainForm::getInstance();
560 if (pMainForm == NULL)
561 return;
562
563 QTreeWidgetItem* pItem = ui.DeviceListView->itemAt(pos);
564 if (pItem == NULL)
565 return;
566
567 int iItemID;
568
569 // Build the device context menu...
570 QMenu* pContextMenu = new QMenu(this);
571
572 bool bClient = (pMainForm->client() != NULL);
573 bool bEnabled = (pItem != NULL);
574 iItemID = pContextMenu->insertItem(
575 QIconSet(QPixmap(":/qsampler/pixmaps/deviceCreate.png")),
576 tr("&Create device"), this, SLOT(createDevice()));
577 pContextMenu->setItemEnabled(iItemID, bEnabled || (bClient && m_bNewDevice));
578 iItemID = pContextMenu->insertItem(
579 QIconSet(QPixmap(":/qsampler/pixmaps/deviceDelete.png")),
580 tr("&Delete device"), this, SLOT(deleteDevice()));
581 pContextMenu->setItemEnabled(iItemID, bEnabled && !m_bNewDevice);
582 pContextMenu->insertSeparator();
583 iItemID = pContextMenu->insertItem(
584 QIconSet(QPixmap(":/qsampler/pixmaps/formRefresh.png")),
585 tr("&Refresh"), this, SLOT(refreshDevices()));
586 pContextMenu->setItemEnabled(iItemID, bClient);
587
588 pContextMenu->exec(pos);
589
590 delete pContextMenu;
591 }
592
593
594 // Stabilize current form state.
595 void DeviceForm::stabilizeForm (void)
596 {
597 MainForm* pMainForm = MainForm::getInstance();
598 QTreeWidgetItem* pItem = ui.DeviceListView->currentItem();
599 bool bClient = (pMainForm && pMainForm->client() != NULL);
600 bool bEnabled = (pItem != NULL);
601 ui.DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
602 ui.DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
603 ui.DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
604 ui.DeviceParamTable->setEnabled(bEnabled);
605 ui.RefreshDevicesPushButton->setEnabled(bClient);
606 ui.CreateDevicePushButton->setEnabled(bEnabled || (bClient && m_bNewDevice));
607 ui.DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
608 }
609
610 } // namespace QSampler
611
612
613 // end of qsamplerDeviceForm.cpp

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