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

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Revision 448 - (show annotations) (download) (as text)
Thu Mar 10 21:40:11 2005 UTC (19 years, 3 months ago) by capela
File MIME type: text/x-c++hdr
File size: 11769 byte(s)
Primordial device configuration icons;
 yet another device parameter spinbox 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
28 #include "qsamplerMainForm.h"
29
30 #include "config.h"
31
32
33 // Kind of constructor.
34 void qsamplerDeviceForm::init (void)
35 {
36 // Initialize locals.
37 m_pMainForm = (qsamplerMainForm *) QWidget::parentWidget();
38 m_pClient = NULL;
39 m_iDirtySetup = 0;
40 m_bNewDevice = false;
41 m_deviceType = qsamplerDevice::None;
42 m_pAudioItems = NULL;
43 m_pMidiItems = NULL;
44
45 // This an outsider (from designer), but rather important.
46 QObject::connect(DeviceParamTable, SIGNAL(valueChanged(int,int)),
47 this, SLOT(changeValue(int,int)));
48
49 // Try to restore normal window positioning.
50 adjustSize();
51 }
52
53
54 // Kind of destructor.
55 void qsamplerDeviceForm::destroy (void)
56 {
57 }
58
59
60 // Notify our parent that we're emerging.
61 void qsamplerDeviceForm::showEvent ( QShowEvent *pShowEvent )
62 {
63 if (m_pMainForm)
64 m_pMainForm->stabilizeForm();
65
66 stabilizeForm();
67
68 QWidget::showEvent(pShowEvent);
69 }
70
71
72 // Notify our parent that we're closing.
73 void qsamplerDeviceForm::hideEvent ( QHideEvent *pHideEvent )
74 {
75 QWidget::hideEvent(pHideEvent);
76
77 if (m_pMainForm)
78 m_pMainForm->stabilizeForm();
79 }
80
81
82 // Device configuration dialog setup formal initializer.
83 void qsamplerDeviceForm::setClient ( lscp_client_t *pClient )
84 {
85 // If it has not changed, do nothing.
86 if (m_pClient && m_pClient == pClient)
87 return;
88
89 // Set new reference.
90 m_pClient = pClient;
91
92 // OK. Do a whole refresh around.
93 refreshDevices();
94 }
95
96
97 // Create a new device from current table view.
98 void qsamplerDeviceForm::createDevice (void)
99 {
100 QListViewItem *pItem = DeviceListView->selectedItem();
101 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
102 return;
103
104 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
105
106 // Build the parameter list...
107 qsamplerDeviceParamMap& params = device.params();
108 lscp_param_t *pParams = new lscp_param_t [params.count() + 1];
109 int iParam = 0;
110 qsamplerDeviceParamMap::ConstIterator iter;
111 for (iter = params.begin(); iter != params.end(); ++iter) {
112 pParams[iParam].key = (char *) iter.key().latin1();
113 pParams[iParam].value = (char *) iter.data().value.latin1();
114 ++iParam;
115 }
116 // Null terminated.
117 pParams[iParam].key = NULL;
118 pParams[iParam].value = NULL;
119
120 // Now it depends on the device type...
121 qsamplerDeviceItem *pRootItem = NULL;
122 int iDeviceID = -1;
123 switch (device.deviceType()) {
124 case qsamplerDevice::Audio:
125 pRootItem = m_pAudioItems;
126 if ((iDeviceID = ::lscp_create_audio_device(m_pClient,
127 device.driverName().latin1(), pParams)) < 0)
128 m_pMainForm->appendMessagesClient("lscp_create_audio_device");
129 break;
130 case qsamplerDevice::Midi:
131 pRootItem = m_pMidiItems;
132 if ((iDeviceID = ::lscp_create_midi_device(m_pClient,
133 device.driverName().latin1(), pParams)) < 0)
134 m_pMainForm->appendMessagesClient("lscp_create_midi_device");
135 break;
136 case qsamplerDevice::None:
137 break;
138 }
139
140 // Free used parameter array.
141 delete pParams;
142
143 // We're on to create the new device item.
144 if (iDeviceID >= 0) {
145 // Append the new device item.
146 qsamplerDeviceItem *pDeviceItem = new qsamplerDeviceItem(pRootItem,
147 m_pClient, device.deviceType(), iDeviceID);
148 // Just make it the new selection...
149 DeviceListView->setSelected(pDeviceItem, true);
150 // Done.
151 m_pMainForm->appendMessages(pDeviceItem->device().deviceName() + ' '
152 + tr("created."));
153 // Main session should be marked dirty.
154 m_pMainForm->sessionDirty();
155 }
156 }
157
158
159 // Delete current device in table view.
160 void qsamplerDeviceForm::deleteDevice (void)
161 {
162 QListViewItem *pItem = DeviceListView->selectedItem();
163 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
164 return;
165
166 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
167
168 // Prompt user if this is for real...
169 qsamplerOptions *pOptions = m_pMainForm->options();
170 if (pOptions && pOptions->bConfirmRemove) {
171 if (QMessageBox::warning(this, tr("Warning"),
172 tr("Delete %1 device:\n\n"
173 "%2\n\n"
174 "Are you sure?")
175 .arg(device.deviceTypeName())
176 .arg(device.deviceName()),
177 tr("OK"), tr("Cancel")) > 0)
178 return;
179 }
180
181 // Now it depends on the device type...
182 lscp_status_t ret = LSCP_FAILED;
183 switch (device.deviceType()) {
184 case qsamplerDevice::Audio:
185 if ((ret = ::lscp_destroy_audio_device(m_pClient,
186 device.deviceID())) != LSCP_OK)
187 m_pMainForm->appendMessagesClient("lscp_destroy_audio_device");
188 break;
189 case qsamplerDevice::Midi:
190 if ((ret = ::lscp_destroy_midi_device(m_pClient,
191 device.deviceID())) != LSCP_OK)
192 m_pMainForm->appendMessagesClient("lscp_destroy_midi_device");
193 break;
194 case qsamplerDevice::None:
195 break;
196 }
197
198 // Show result.
199 if (ret == LSCP_OK) {
200 // Show log message before loosing it.
201 m_pMainForm->appendMessages(device.deviceName() + ' '
202 + tr("deleted."));
203 // Done.
204 delete pItem;
205 // Main session should be marked dirty.
206 m_pMainForm->sessionDirty();
207 }
208 }
209
210
211 // Refresh all device list and views.
212 void qsamplerDeviceForm::refreshDevices (void)
213 {
214 // Avoid nested changes.
215 m_iDirtySetup++;
216
217 //
218 // (Re)Load complete device configuration data ...
219 //
220 m_pAudioItems = NULL;
221 m_pMidiItems = NULL;
222 DeviceListView->clear();
223 if (m_pClient) {
224 int *piDeviceIDs;
225 // Grab and pop Audio devices...
226 m_pAudioItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
227 qsamplerDevice::Audio);
228 if (m_pAudioItems) {
229 m_pAudioItems->setText(0, tr("Audio"));
230 piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Audio);
231 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
232 new qsamplerDeviceItem(m_pAudioItems, m_pClient,
233 qsamplerDevice::Audio, piDeviceIDs[i]);
234 }
235 m_pAudioItems->setOpen(true);
236 }
237 // Grab and pop MIDI devices...
238 m_pMidiItems = new qsamplerDeviceItem(DeviceListView, m_pClient,
239 qsamplerDevice::Midi);
240 if (m_pMidiItems) {
241 m_pMidiItems->setText(0, tr("MIDI"));
242 piDeviceIDs = qsamplerDevice::getDevices(m_pClient, qsamplerDevice::Midi);
243 for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
244 new qsamplerDeviceItem(m_pMidiItems, m_pClient,
245 qsamplerDevice::Midi, piDeviceIDs[i]);
246 }
247 m_pMidiItems->setOpen(true);
248 }
249 }
250
251 // Done.
252 m_iDirtySetup--;
253
254 // Show something.
255 selectDevice();
256 }
257
258
259 // Driver selection slot.
260 void qsamplerDeviceForm::selectDriver ( const QString& sDriverName )
261 {
262 if (m_iDirtySetup > 0)
263 return;
264
265 //
266 // Driver name has changed for a new device...
267 //
268
269 QListViewItem *pItem = DeviceListView->selectedItem();
270 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
271 return;
272
273 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
274
275 // Driver change is only valid for scratch devices...
276 if (m_bNewDevice) {
277 m_iDirtySetup++;
278 device.setDriver(m_pClient, sDriverName);
279 DeviceParamTable->refresh(device);
280 m_iDirtySetup--;
281 // Done.
282 stabilizeForm();
283 }
284 }
285
286
287 // Device selection slot.
288 void qsamplerDeviceForm::selectDevice (void)
289 {
290 if (m_iDirtySetup > 0)
291 return;
292
293 //
294 // Device selection has changed...
295 //
296
297 QListViewItem *pItem = DeviceListView->selectedItem();
298 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM) {
299 m_deviceType = qsamplerDevice::None;
300 DeviceNameTextLabel->setText(QString::null);
301 DeviceParamTable->setNumRows(0);
302 stabilizeForm();
303 return;
304 }
305
306 m_iDirtySetup++;
307 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
308
309 // Flag whether this is a new device.
310 m_bNewDevice = (device.deviceID() < 0);
311
312 // Fill the device/driver heading...
313 DeviceNameTextLabel->setText(device.deviceTypeName() + ' ' + device.deviceName());
314 // The driver combobox is only rebuilt if device type has changed...
315 if (device.deviceType() != m_deviceType) {
316 DriverNameComboBox->clear();
317 DriverNameComboBox->insertStringList(
318 qsamplerDevice::getDrivers(m_pClient, device.deviceType()));
319 m_deviceType = device.deviceType();
320 }
321 // Do we need a driver name?
322 if (m_bNewDevice || device.driverName().isEmpty())
323 device.setDriver(m_pClient, DriverNameComboBox->currentText());
324 const QString& sDriverName = device.driverName();
325 if (DriverNameComboBox->listBox()->findItem(sDriverName, Qt::ExactMatch) == NULL)
326 DriverNameComboBox->insertItem(sDriverName);
327 DriverNameComboBox->setCurrentText(sDriverName);
328 DriverNameTextLabel->setEnabled(m_bNewDevice);
329 DriverNameComboBox->setEnabled(m_bNewDevice);
330 // Fill the device parameter table...
331 DeviceParamTable->refresh(device);
332 // Done.
333 m_iDirtySetup--;
334 stabilizeForm();
335 }
336
337
338 // parameter value change slot.
339 void qsamplerDeviceForm::changeValue ( int iRow, int iCol )
340 {
341 if (m_iDirtySetup > 0)
342 return;
343 if (iRow < 0 || iCol < 0)
344 return;
345
346 //
347 // Device parameter change...
348 //
349
350 QListViewItem *pItem = DeviceListView->selectedItem();
351 if (pItem == NULL || pItem->rtti() != QSAMPLER_DEVICE_ITEM)
352 return;
353
354 m_iDirtySetup++;
355 qsamplerDevice& device = ((qsamplerDeviceItem *) pItem)->device();
356
357 // Table 1st column has the parameter name;
358 qsamplerDeviceParamMap& params = device.params();
359 const QString sParam = DeviceParamTable->text(iRow, 0);
360 const QString sValue = DeviceParamTable->text(iRow, iCol);
361 params[sParam].value = sValue;
362
363 // Set proper device parameter, on existing device ...
364 if (device.deviceID() >= 0) {
365 // Prepare parameter struct.
366 lscp_param_t param;
367 param.key = (char *) sParam.latin1();
368 param.value = (char *) sValue.latin1();
369 // Now it depends on the device type...
370 lscp_status_t ret = LSCP_FAILED;
371 switch (device.deviceType()) {
372 case qsamplerDevice::Audio:
373 if ((ret = ::lscp_set_audio_device_param(m_pClient,
374 device.deviceID(), &param)) != LSCP_OK)
375 m_pMainForm->appendMessagesClient("lscp_set_audio_device_param");
376 break;
377 case qsamplerDevice::Midi:
378 if ((ret = ::lscp_set_midi_device_param(m_pClient,
379 device.deviceID(), &param)) != LSCP_OK)
380 m_pMainForm->appendMessagesClient("lscp_set_midi_device_param");
381 break;
382 case qsamplerDevice::None:
383 break;
384 }
385 // Show result.
386 if (ret == LSCP_OK) {
387 m_pMainForm->appendMessages(device.deviceName() + ' '
388 + QString("%1: %2.").arg(sParam).arg(sValue));
389 }
390 }
391
392 // Done.
393 m_iDirtySetup--;
394 stabilizeForm();
395 // Main session should be dirtier...
396 m_pMainForm->sessionDirty();
397 }
398
399
400 // Stabilize current form state.
401 void qsamplerDeviceForm::stabilizeForm (void)
402 {
403 QListViewItem *pItem = DeviceListView->selectedItem();
404 bool bEnabled = (pItem != NULL);
405 DeviceNameTextLabel->setEnabled(bEnabled && !m_bNewDevice);
406 DriverNameTextLabel->setEnabled(bEnabled && m_bNewDevice);
407 DriverNameComboBox->setEnabled(bEnabled && m_bNewDevice);
408 DeviceParamTable->setEnabled(bEnabled);
409 CreateDevicePushButton->setEnabled(bEnabled || m_bNewDevice);
410 DeleteDevicePushButton->setEnabled(bEnabled && !m_bNewDevice);
411 }
412
413
414 // end of qsamplerDeviceForm.ui.h

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