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 |
// Try to restore normal window positioning. |
42 |
adjustSize(); |
43 |
} |
44 |
|
45 |
|
46 |
// Kind of destructor. |
47 |
void qsamplerChannelForm::destroy (void) |
48 |
{ |
49 |
} |
50 |
|
51 |
|
52 |
// Channel dialog setup formal initializer. |
53 |
void qsamplerChannelForm::setup ( qsamplerChannel *pChannel ) |
54 |
{ |
55 |
m_pChannel = pChannel; |
56 |
|
57 |
m_iDirtySetup = 0; |
58 |
m_iDirtyCount = 0; |
59 |
|
60 |
if (m_pChannel == NULL) |
61 |
return; |
62 |
|
63 |
// It can be a brand new channel, remember? |
64 |
bool bNew = (m_pChannel->channelID() < 0); |
65 |
setCaption(m_pChannel->channelName()); |
66 |
|
67 |
// Check if we're up and connected. |
68 |
if (m_pChannel->client() == NULL) |
69 |
return; |
70 |
|
71 |
qsamplerOptions *pOptions = m_pChannel->options(); |
72 |
if (pOptions == NULL) |
73 |
return; |
74 |
|
75 |
// Avoid nested changes. |
76 |
m_iDirtySetup++; |
77 |
|
78 |
// Load combo box history... |
79 |
pOptions->loadComboBoxHistory(InstrumentFileComboBox); |
80 |
|
81 |
// Populate Engines list. |
82 |
const char **ppszEngines = ::lscp_get_available_engines(m_pChannel->client()); |
83 |
if (ppszEngines) { |
84 |
EngineNameComboBox->clear(); |
85 |
for (int iEngine = 0; ppszEngines[iEngine]; iEngine++) |
86 |
EngineNameComboBox->insertItem(ppszEngines[iEngine]); |
87 |
} |
88 |
else m_pChannel->appendMessagesClient("lscp_get_available_engines"); |
89 |
|
90 |
// Populate Audio output type list. |
91 |
const char **ppszAudioDrivers = ::lscp_get_available_audio_drivers(m_pChannel->client()); |
92 |
if (ppszAudioDrivers) { |
93 |
AudioDriverComboBox->clear(); |
94 |
for (int iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++) |
95 |
AudioDriverComboBox->insertItem(ppszAudioDrivers[iAudioDriver]); |
96 |
} |
97 |
else m_pChannel->appendMessagesClient("lscp_get_available_audio_drivers"); |
98 |
|
99 |
// Populate MIDI input type list. |
100 |
const char **ppszMidiDrivers = ::lscp_get_available_midi_drivers(m_pChannel->client()); |
101 |
if (ppszMidiDrivers) { |
102 |
MidiDriverComboBox->clear(); |
103 |
for (int iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++) |
104 |
MidiDriverComboBox->insertItem(ppszMidiDrivers[iMidiDriver]); |
105 |
} |
106 |
else m_pChannel->appendMessagesClient("lscp_get_available_midi_drivers"); |
107 |
|
108 |
// Read proper channel information, |
109 |
// and populate the channel form fields. |
110 |
|
111 |
// Engine name... |
112 |
QString sEngineName = pChannel->engineName(); |
113 |
if (sEngineName.isEmpty() && bNew) |
114 |
sEngineName = pOptions->sEngineName; |
115 |
if (sEngineName.isEmpty()) |
116 |
sEngineName = qsamplerChannel::noEngineName(); |
117 |
if (EngineNameComboBox->listBox()->findItem(sEngineName, Qt::ExactMatch) == NULL) |
118 |
EngineNameComboBox->insertItem(sEngineName); |
119 |
EngineNameComboBox->setCurrentText(sEngineName); |
120 |
// Instrument filename and index... |
121 |
QString sInstrumentFile = pChannel->instrumentFile(); |
122 |
if (sInstrumentFile.isEmpty()) |
123 |
sInstrumentFile = qsamplerChannel::noInstrumentName(); |
124 |
InstrumentFileComboBox->setCurrentText(sInstrumentFile); |
125 |
InstrumentNrComboBox->clear(); |
126 |
InstrumentNrComboBox->insertStringList( |
127 |
qsamplerChannel::getInstrumentList(sInstrumentFile, |
128 |
pOptions->bInstrumentNames)); |
129 |
InstrumentNrComboBox->setCurrentItem(pChannel->instrumentNr()); |
130 |
// MIDI input driver... |
131 |
QString sMidiDriver = pChannel->midiDriver(); |
132 |
if (sMidiDriver.isEmpty() || bNew) |
133 |
sMidiDriver = pOptions->sMidiDriver; |
134 |
if (!sMidiDriver.isEmpty()) { |
135 |
if (MidiDriverComboBox->listBox()->findItem(sMidiDriver, Qt::ExactMatch) == NULL) |
136 |
MidiDriverComboBox->insertItem(sMidiDriver); |
137 |
MidiDriverComboBox->setCurrentText(sMidiDriver); |
138 |
} |
139 |
// MIDI input port... |
140 |
MidiPortSpinBox->setValue(pChannel->midiPort()); |
141 |
// MIDI input channel... |
142 |
int iMidiChannel = pChannel->midiChannel(); |
143 |
// When new, try to suggest a sensible MIDI channel... |
144 |
if (iMidiChannel < 0) |
145 |
iMidiChannel = (::lscp_get_channels(m_pChannel->client()) % 16); |
146 |
MidiChannelComboBox->setCurrentItem(iMidiChannel); |
147 |
// Audio output driver... |
148 |
QString sAudioDriver = pChannel->audioDriver(); |
149 |
if (sAudioDriver.isEmpty() || bNew) |
150 |
sAudioDriver = pOptions->sAudioDriver; |
151 |
if (!sAudioDriver.isEmpty()) { |
152 |
if (AudioDriverComboBox->listBox()->findItem(sAudioDriver, Qt::ExactMatch) == NULL) |
153 |
AudioDriverComboBox->insertItem(sAudioDriver); |
154 |
AudioDriverComboBox->setCurrentText(sAudioDriver); |
155 |
} |
156 |
// Done. |
157 |
m_iDirtySetup--; |
158 |
stabilizeForm(); |
159 |
} |
160 |
|
161 |
|
162 |
// Accept settings (OK button slot). |
163 |
void qsamplerChannelForm::accept (void) |
164 |
{ |
165 |
if (m_pChannel == NULL) |
166 |
return; |
167 |
|
168 |
qsamplerOptions *pOptions = m_pChannel->options(); |
169 |
if (pOptions == NULL) |
170 |
return; |
171 |
|
172 |
// We'll go for it! |
173 |
if (m_iDirtyCount > 0) { |
174 |
int iErrors = 0; |
175 |
// Are we a new channel? |
176 |
if (!m_pChannel->addChannel()) |
177 |
iErrors++; |
178 |
// Audio output driver type... |
179 |
if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText())) |
180 |
iErrors++; |
181 |
// MIDI input driver type... |
182 |
if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText())) |
183 |
iErrors++; |
184 |
// MIDI input port number... |
185 |
if (!m_pChannel->setMidiPort(MidiPortSpinBox->value())) |
186 |
iErrors++; |
187 |
// MIDI input channel... |
188 |
if (!m_pChannel->setMidiChannel(MidiChannelComboBox->currentItem())) |
189 |
iErrors++; |
190 |
// Engine name... |
191 |
if (!m_pChannel->loadEngine(EngineNameComboBox->currentText())) |
192 |
iErrors++; |
193 |
// Instrument file and index... |
194 |
if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrComboBox->currentItem())) |
195 |
iErrors++; |
196 |
// Show error messages? |
197 |
if (iErrors > 0) |
198 |
m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry.")); |
199 |
} |
200 |
|
201 |
// Save default engine name, instrument directory and history... |
202 |
pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true); |
203 |
pOptions->sEngineName = EngineNameComboBox->currentText(); |
204 |
pOptions->sAudioDriver = AudioDriverComboBox->currentText(); |
205 |
pOptions->sMidiDriver = MidiDriverComboBox->currentText(); |
206 |
pOptions->saveComboBoxHistory(InstrumentFileComboBox); |
207 |
|
208 |
// Just go with dialog acceptance. |
209 |
QDialog::accept(); |
210 |
} |
211 |
|
212 |
|
213 |
// Reject settings (Cancel button slot). |
214 |
void qsamplerChannelForm::reject (void) |
215 |
{ |
216 |
bool bReject = true; |
217 |
|
218 |
// Check if there's any pending changes... |
219 |
if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) { |
220 |
switch (QMessageBox::warning(this, tr("Warning"), |
221 |
tr("Some channel settings have been changed.\n\n" |
222 |
"Do you want to apply the changes?"), |
223 |
tr("Apply"), tr("Discard"), tr("Cancel"))) { |
224 |
case 0: // Apply... |
225 |
accept(); |
226 |
return; |
227 |
case 1: // Discard |
228 |
break; |
229 |
default: // Cancel. |
230 |
bReject = false; |
231 |
} |
232 |
} |
233 |
|
234 |
if (bReject) |
235 |
QDialog::reject(); |
236 |
} |
237 |
|
238 |
|
239 |
// Browse and open an instrument file. |
240 |
void qsamplerChannelForm::openInstrumentFile (void) |
241 |
{ |
242 |
qsamplerOptions *pOptions = m_pChannel->options(); |
243 |
if (pOptions == NULL) |
244 |
return; |
245 |
|
246 |
// FIXME: the instrument file filters should be restricted, |
247 |
// depending on the current engine. |
248 |
QString sInstrumentFile = QFileDialog::getOpenFileName( |
249 |
pOptions->sInstrumentDir, // Start here. |
250 |
tr("Instrument files") + " (*.gig *.dls)", // Filter (GIG and DLS files) |
251 |
this, 0, // Parent and name (none) |
252 |
tr("Instrument files") // Caption. |
253 |
); |
254 |
|
255 |
if (sInstrumentFile.isEmpty()) |
256 |
return; |
257 |
|
258 |
InstrumentFileComboBox->setCurrentText(sInstrumentFile); |
259 |
} |
260 |
|
261 |
|
262 |
// Refresh the actual instrument name. |
263 |
void qsamplerChannelForm::updateInstrumentName (void) |
264 |
{ |
265 |
qsamplerOptions *pOptions = m_pChannel->options(); |
266 |
if (pOptions == NULL) |
267 |
return; |
268 |
|
269 |
// Finally this better idea would be to use libgig |
270 |
// to retrieve the REAL instrument names. |
271 |
InstrumentNrComboBox->clear(); |
272 |
InstrumentNrComboBox->insertStringList( |
273 |
qsamplerChannel::getInstrumentList( |
274 |
InstrumentFileComboBox->currentText(), |
275 |
pOptions->bInstrumentNames) |
276 |
); |
277 |
|
278 |
optionsChanged(); |
279 |
} |
280 |
|
281 |
|
282 |
|
283 |
// Dirty up settings. |
284 |
void qsamplerChannelForm::optionsChanged (void) |
285 |
{ |
286 |
if (m_iDirtySetup > 0) |
287 |
return; |
288 |
|
289 |
m_iDirtyCount++; |
290 |
stabilizeForm(); |
291 |
} |
292 |
|
293 |
|
294 |
// Stabilize current form state. |
295 |
void qsamplerChannelForm::stabilizeForm (void) |
296 |
{ |
297 |
const QString& sFilename = InstrumentFileComboBox->currentText(); |
298 |
OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists()); |
299 |
} |
300 |
|
301 |
|
302 |
// end of qsamplerChannelForm.ui.h |
303 |
|