1 |
// qsamplerInstrumentList.cpp |
2 |
// |
3 |
/**************************************************************************** |
4 |
Copyright (C) 2003-2007, 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 |
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 "qsamplerAbout.h" |
24 |
#include "qsamplerInstrumentList.h" |
25 |
|
26 |
#include "qsamplerInstrument.h" |
27 |
#include "qsamplerInstrumentForm.h" |
28 |
|
29 |
#include "qsamplerOptions.h" |
30 |
#include "qsamplerMainForm.h" |
31 |
|
32 |
#include <QApplication> |
33 |
#include <QMessageBox> |
34 |
#include <QMenu> |
35 |
#include <QAction> |
36 |
#include <QCursor> |
37 |
#include <QFileInfo> |
38 |
|
39 |
// Needed for lroundf() |
40 |
#include <math.h> |
41 |
|
42 |
#ifndef CONFIG_ROUND |
43 |
static inline long lroundf ( float x ) |
44 |
{ |
45 |
if (x >= 0.0f) |
46 |
return long(x + 0.5f); |
47 |
else |
48 |
return long(x - 0.5f); |
49 |
} |
50 |
#endif |
51 |
|
52 |
using namespace QSampler; |
53 |
|
54 |
|
55 |
//------------------------------------------------------------------------- |
56 |
// MidiInstrumentsModel - data model for MIDI prog mappings (used for QTableView) |
57 |
// |
58 |
|
59 |
MidiInstrumentsModel::MidiInstrumentsModel ( QObject* pParent) |
60 |
: QAbstractTableModel(pParent) |
61 |
{ |
62 |
m_iMidiMap = LSCP_MIDI_MAP_ALL; |
63 |
} |
64 |
|
65 |
|
66 |
int MidiInstrumentsModel::rowCount ( const QModelIndex& /*parent*/) const |
67 |
{ |
68 |
if (m_iMidiMap == LSCP_MIDI_MAP_ALL) { |
69 |
int n = 0; |
70 |
for (InstrumentsMap::const_iterator itMap = m_instruments.begin(); |
71 |
itMap != m_instruments.end(); ++itMap) |
72 |
n += (*itMap).size(); |
73 |
return n; |
74 |
} |
75 |
InstrumentsMap::const_iterator itMap = m_instruments.find(m_iMidiMap); |
76 |
if (itMap == m_instruments.end()) return 0; |
77 |
return (*itMap).size(); |
78 |
} |
79 |
|
80 |
|
81 |
int MidiInstrumentsModel::columnCount ( const QModelIndex& /*parent*/) const |
82 |
{ |
83 |
return 9; |
84 |
} |
85 |
|
86 |
|
87 |
QVariant MidiInstrumentsModel::data ( const QModelIndex &index, int role ) const |
88 |
{ |
89 |
if (!index.isValid()) |
90 |
return QVariant(); |
91 |
|
92 |
const qsamplerInstrument* pInstr = NULL; |
93 |
|
94 |
if (m_iMidiMap == LSCP_MIDI_MAP_ALL) { |
95 |
int n = 0; |
96 |
for (InstrumentsMap::const_iterator itMap = m_instruments.begin(); |
97 |
itMap != m_instruments.end(); ++itMap) { |
98 |
n += (*itMap).size(); |
99 |
if (index.row() < n) |
100 |
pInstr = &(*itMap)[index.row() + (*itMap).size() - n]; |
101 |
} |
102 |
} else { |
103 |
// resolve MIDI instrument map |
104 |
InstrumentsMap::const_iterator itMap = m_instruments.find(m_iMidiMap); |
105 |
if (itMap == m_instruments.end()) return QVariant(); |
106 |
// resolve instrument in that map |
107 |
if (index.row() >= (*itMap).size()) return QVariant(); |
108 |
pInstr = &(*itMap)[index.row()]; |
109 |
} |
110 |
|
111 |
if (!pInstr) |
112 |
return QVariant(); |
113 |
|
114 |
if (role == Qt::UserRole) |
115 |
return QVariant::fromValue((void *) pInstr); |
116 |
|
117 |
if (role == Qt::DisplayRole) { |
118 |
switch (index.column()) { |
119 |
case 0: return pInstr->name(); |
120 |
case 1: return QVariant::fromValue(pInstr->map()); |
121 |
case 2: return QVariant::fromValue(pInstr->bank()); |
122 |
case 3: return QVariant::fromValue(pInstr->prog()); |
123 |
case 4: return pInstr->engineName(); |
124 |
case 5: return pInstr->instrumentFile(); |
125 |
case 6: return QVariant::fromValue(pInstr->instrumentNr()); |
126 |
case 7: return QString::number(pInstr->volume() * 100.0) + " %"; |
127 |
case 8: { |
128 |
switch (pInstr->loadMode()) { |
129 |
case 3: return QObject::tr("Persistent"); |
130 |
case 2: return QObject::tr("On Demand Hold"); |
131 |
case 1: return QObject::tr("On Demand"); |
132 |
default: return QVariant(); |
133 |
} |
134 |
} |
135 |
default: return QVariant(); |
136 |
} |
137 |
} |
138 |
|
139 |
return QVariant(); |
140 |
} |
141 |
|
142 |
|
143 |
QVariant MidiInstrumentsModel::headerData ( |
144 |
int section, Qt::Orientation orientation, int role ) const |
145 |
{ |
146 |
if (orientation != Qt::Horizontal || role != Qt::DisplayRole) |
147 |
return QVariant(); |
148 |
|
149 |
switch (section) { |
150 |
case 0: return tr("Name"); |
151 |
case 1: return tr("Map"); |
152 |
case 2: return tr("Bank"); |
153 |
case 3: return tr("Prog"); |
154 |
case 4: return tr("Engine"); |
155 |
case 5: return tr("File"); |
156 |
case 6: return tr("Nr"); |
157 |
case 7: return tr("Vol"); |
158 |
case 8: return tr("Mode"); |
159 |
default: return QVariant(); |
160 |
} |
161 |
} |
162 |
|
163 |
|
164 |
qsamplerInstrument* MidiInstrumentsModel::addInstrument ( |
165 |
int iMap, int iBank, int iProg ) |
166 |
{ |
167 |
// Check it there's already one instrument item |
168 |
// with the very same key (bank, program); |
169 |
// if yes, just remove it without prejudice... |
170 |
for (int i = 0; i < m_instruments[iMap].size(); i++) { |
171 |
if (m_instruments[iMap][i].bank() == iBank && |
172 |
m_instruments[iMap][i].prog() == iProg) { |
173 |
m_instruments[iMap].removeAt(i); |
174 |
break; |
175 |
} |
176 |
} |
177 |
|
178 |
// resolve the appropriate place, we keep the list sorted that way ... |
179 |
int i = 0; |
180 |
for (; i < m_instruments[iMap].size(); i++) |
181 |
if (iBank > m_instruments[iMap][i].bank() |
182 |
|| (iBank == m_instruments[iMap][i].bank() && |
183 |
iProg > m_instruments[iMap][i].prog())) |
184 |
break; |
185 |
|
186 |
m_instruments[iMap].insert(i, qsamplerInstrument(iMap, iBank, iProg)); |
187 |
qsamplerInstrument& instr = m_instruments[iMap][i]; |
188 |
if (!instr.getInstrument()) |
189 |
m_instruments[iMap].removeAt(i); |
190 |
|
191 |
return &instr; |
192 |
} |
193 |
|
194 |
|
195 |
void MidiInstrumentsModel::removeInstrument ( |
196 |
const qsamplerInstrument& instrument ) |
197 |
{ |
198 |
const int iMap = instrument.map(); |
199 |
const int iBank = instrument.bank(); |
200 |
const int iProg = instrument.prog(); |
201 |
for (int i = 0; i < m_instruments[iMap].size(); i++) { |
202 |
if (m_instruments[iMap][i].bank() == iBank && |
203 |
m_instruments[iMap][i].prog() == iProg) { |
204 |
m_instruments[iMap].removeAt(i); |
205 |
break; |
206 |
} |
207 |
} |
208 |
} |
209 |
|
210 |
|
211 |
// Reposition the instrument in the model (called when map/bank/prg changed) |
212 |
void MidiInstrumentsModel::resort ( const qsamplerInstrument instrument ) |
213 |
{ |
214 |
const int iMap = instrument.map(); |
215 |
const int iBank = instrument.bank(); |
216 |
const int iProg = instrument.prog(); |
217 |
// remove given instrument from its current list |
218 |
removeInstrument(instrument); |
219 |
// re-add the instrument |
220 |
addInstrument(iMap, iBank, iProg); |
221 |
} |
222 |
|
223 |
|
224 |
void MidiInstrumentsModel::setMidiMap ( int iMidiMap ) |
225 |
{ |
226 |
if (iMidiMap < 0) |
227 |
iMidiMap = LSCP_MIDI_MAP_ALL; |
228 |
|
229 |
m_iMidiMap = iMidiMap; |
230 |
} |
231 |
|
232 |
|
233 |
int MidiInstrumentsModel::midiMap (void) const |
234 |
{ |
235 |
return m_iMidiMap; |
236 |
} |
237 |
|
238 |
void MidiInstrumentsModel::refresh (void) |
239 |
{ |
240 |
m_instruments.clear(); |
241 |
|
242 |
MainForm* pMainForm = MainForm::getInstance(); |
243 |
if (pMainForm == NULL) |
244 |
return; |
245 |
if (pMainForm->client() == NULL) |
246 |
return; |
247 |
|
248 |
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); |
249 |
|
250 |
// Load the whole bunch of instrument items... |
251 |
lscp_midi_instrument_t* pInstrs |
252 |
= ::lscp_list_midi_instruments(pMainForm->client(), m_iMidiMap); |
253 |
for (int iInstr = 0; pInstrs && pInstrs[iInstr].map >= 0; ++iInstr) { |
254 |
const int iMap = pInstrs[iInstr].map; |
255 |
const int iBank = pInstrs[iInstr].bank; |
256 |
const int iProg = pInstrs[iInstr].prog; |
257 |
addInstrument(iMap, iBank, iProg); |
258 |
// Try to keep it snappy :) |
259 |
QApplication::processEvents(QEventLoop::ExcludeUserInputEvents); |
260 |
} |
261 |
|
262 |
QApplication::restoreOverrideCursor(); |
263 |
|
264 |
if (pInstrs == NULL && ::lscp_client_get_errno(pMainForm->client())) { |
265 |
pMainForm->appendMessagesClient("lscp_list_midi_instruments"); |
266 |
pMainForm->appendMessagesError( |
267 |
tr("Could not get current list of MIDI instrument mappings.\n\nSorry.")); |
268 |
} |
269 |
|
270 |
// inform the outer world (QTableView) that our data changed |
271 |
QAbstractTableModel::reset(); |
272 |
} |
273 |
|
274 |
|
275 |
//------------------------------------------------------------------------- |
276 |
// MidiInstrumentsDelegate - table cell renderer for MIDI prog mappings |
277 |
// (doesn't actually do anything ATM, but is already there for a future |
278 |
// cell editor widget implementation) |
279 |
|
280 |
MidiInstrumentsDelegate::MidiInstrumentsDelegate ( QObject* pParent ) |
281 |
: QItemDelegate(pParent) |
282 |
{ |
283 |
} |
284 |
|
285 |
|
286 |
QWidget* MidiInstrumentsDelegate::createEditor ( QWidget* pParent, |
287 |
const QStyleOptionViewItem& option, const QModelIndex& index ) const |
288 |
{ |
289 |
return QItemDelegate::createEditor(pParent, option, index); |
290 |
// return new QLabel(index.model()->data(index, Qt::DisplayRole).toString(), parent); |
291 |
} |
292 |
|
293 |
|
294 |
void MidiInstrumentsDelegate::setEditorData ( QWidget */*pEditor*/, |
295 |
const QModelIndex& /*index*/) const |
296 |
{ |
297 |
} |
298 |
|
299 |
|
300 |
void MidiInstrumentsDelegate::setModelData ( QWidget */*pEditor*/, |
301 |
QAbstractItemModel* /*model*/, const QModelIndex& /*index*/) const |
302 |
{ |
303 |
} |
304 |
|
305 |
|
306 |
void MidiInstrumentsDelegate::updateEditorGeometry ( QWidget *pEditor, |
307 |
const QStyleOptionViewItem& option, const QModelIndex& index) const |
308 |
{ |
309 |
QItemDelegate::updateEditorGeometry(pEditor, option, index); |
310 |
// if (pEditor) pEditor->setGeometry(option.rect); |
311 |
} |
312 |
|
313 |
|
314 |
// end of qsamplerInstrumentList.cpp |