/[svn]/qsampler/trunk/src/qsamplerChannel.h
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Contents of /qsampler/trunk/src/qsamplerChannel.h

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Revision 3555 - (show annotations) (download) (as text)
Tue Aug 13 10:19:32 2019 UTC (11 days, 16 hours ago) by capela
File MIME type: text/x-c++hdr
File size: 7516 byte(s)
- In late compliance to C++11, all NULL constants replaced for nullptr.
1 // qsamplerChannel.h
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2019, 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 #ifndef __qsamplerChannel_h
24 #define __qsamplerChannel_h
25
26 #include <QTableWidgetItem>
27 #include <QItemDelegate>
28
29 #include <lscp/client.h>
30 #include <lscp/device.h>
31
32 #include "qsamplerOptions.h"
33
34 namespace QSampler {
35
36 class Device;
37
38 // Typedef'd QMap.
39 typedef QMap<int, int> ChannelRoutingMap;
40
41
42 //-------------------------------------------------------------------------
43 // QSampler::Channel - Sampler channel structure.
44 //
45
46 class Channel
47 {
48 public:
49
50 // Constructor.
51 Channel(int iChannelID = -1);
52 // Default destructor.
53 ~Channel();
54
55 // Add/remove sampler channel methods.
56 bool addChannel();
57 bool removeChannel();
58
59 // Sampler channel ID accessors.
60 int channelID() const;
61 void setChannelID(int iChannelID);
62
63 // Readable channel name.
64 QString channelName() const;
65
66 // Engine name property.
67 const QString& engineName() const;
68 bool loadEngine(const QString& sEngineName);
69
70 // Instrument file and index.
71 const QString& instrumentFile() const;
72 int instrumentNr() const;
73 const QString& instrumentName() const;
74 int instrumentStatus() const;
75
76 // Instrument file loader.
77 bool loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);
78 // Special instrument file/name/number settler.
79 bool setInstrument(const QString& sInstrumentFile, int iInstrumentNr);
80
81 // MIDI input driver (DEPRECATED).
82 const QString& midiDriver() const;
83 bool setMidiDriver(const QString& sMidiDriver);
84
85 // MIDI input device.
86 int midiDevice() const;
87 bool setMidiDevice(int iMidiDevice);
88
89 // MIDI input port.
90 int midiPort() const;
91 bool setMidiPort(int iMidiPort);
92
93 // MIDI input channel.
94 int midiChannel() const;
95 bool setMidiChannel(int iMidiChannel);
96
97 // MIDI instrument map.
98 int midiMap() const;
99 bool setMidiMap(int iMidiMap);
100
101 // Audio output driver (DEPRECATED).
102 const QString& audioDriver() const;
103 bool setAudioDriver(const QString& sAudioDriver);
104
105 // Audio output device.
106 int audioDevice() const;
107 bool setAudioDevice(int iAudioDevice);
108
109 // Sampler channel volume.
110 float volume() const;
111 bool setVolume(float fVolume);
112
113 // Sampler channel mute state.
114 bool channelMute() const;
115 bool setChannelMute(bool bMute);
116
117 // Sampler channel solo state.
118 bool channelSolo() const;
119 bool setChannelSolo(bool bSolo);
120
121 // Audio routing accessors.
122 int audioChannel(int iAudioOut) const;
123 bool setAudioChannel(int iAudioOut, int iAudioIn);
124 // The audio routing map itself.
125 const ChannelRoutingMap& audioRouting() const;
126
127 // Istrument name remapper.
128 void updateInstrumentName();
129
130 // Channel info structure map executive.
131 bool updateChannelInfo();
132
133 // Channel setup dialog form.
134 bool channelSetup(QWidget *pParent);
135
136 // Reset channel method.
137 bool channelReset();
138
139 // Spawn instrument editor method.
140 bool editChannel();
141
142 // Message logging methods (brainlessly mapped to main form's).
143 void appendMessages (const QString & s) const;
144 void appendMessagesColor (const QString & s, const QString & c) const;
145 void appendMessagesText (const QString & s) const;
146 void appendMessagesError (const QString & s) const;
147 void appendMessagesClient (const QString & s) const;
148
149 // Context menu event handler.
150 void contextMenuEvent(QContextMenuEvent *pEvent);
151
152 // Common (invalid) name-helpers.
153 static QString noEngineName();
154 static QString noInstrumentName();
155 static QString loadingInstrument();
156
157 // Check whether a given file is an instrument file.
158 static bool isDlsInstrumentFile (const QString& sInstrumentFile);
159 static bool isSf2InstrumentFile (const QString& sInstrumentFile);
160
161 // Retrieve the available instrument name(s) of an instrument file (.gig).
162 static QString getInstrumentName (const QString& sInstrumentFile,
163 int iInstrumentNr, bool bInstrumentNames);
164 static QStringList getInstrumentList (const QString& sInstrumentFile,
165 bool bInstrumentNames);
166
167 private:
168
169 // Unique channel identifier.
170 int m_iChannelID;
171
172 // Sampler channel info map.
173 QString m_sEngineName;
174 QString m_sInstrumentName;
175 QString m_sInstrumentFile;
176 int m_iInstrumentNr;
177 int m_iInstrumentStatus;
178 QString m_sMidiDriver;
179 int m_iMidiDevice;
180 int m_iMidiPort;
181 int m_iMidiChannel;
182 int m_iMidiMap;
183 QString m_sAudioDriver;
184 int m_iAudioDevice;
185 float m_fVolume;
186 bool m_bMute;
187 bool m_bSolo;
188
189 // The audio routing mapping.
190 ChannelRoutingMap m_audioRouting;
191 };
192
193
194 //-------------------------------------------------------------------------
195 // QSampler::ChannelRoutingModel - data model for audio routing
196 // (used for QTableView)
197 //
198
199 struct ChannelRoutingItem {
200 QStringList options;
201 int selection;
202 };
203
204 class ChannelRoutingModel : public QAbstractTableModel
205 {
206 Q_OBJECT
207 public:
208
209 ChannelRoutingModel(QObject* pParent = nullptr);
210
211 // overridden methods from subclass(es)
212 int rowCount(const QModelIndex& parent = QModelIndex()) const;
213 int columnCount(const QModelIndex& parent = QModelIndex()) const;
214 Qt::ItemFlags flags(const QModelIndex& index) const;
215 bool setData(const QModelIndex& index, const QVariant& value,
216 int role = Qt::EditRole);
217 QVariant data(const QModelIndex &index, int role) const;
218 QVariant headerData(int section, Qt::Orientation orientation,
219 int role = Qt::DisplayRole) const;
220
221 // own methods
222 ChannelRoutingMap routingMap() const { return m_routing; }
223
224 void clear() { m_routing.clear(); }
225
226 public slots:
227
228 void refresh(Device *pDevice,
229 const ChannelRoutingMap& routing);
230
231 private:
232
233 Device *m_pDevice;
234 ChannelRoutingMap m_routing;
235 };
236
237
238 //-------------------------------------------------------------------------
239 // QSampler::ChannelRoutingDelegate - table cell renderer for audio routing
240 //
241
242 class ChannelRoutingDelegate : public QItemDelegate
243 {
244 Q_OBJECT
245
246 public:
247
248 ChannelRoutingDelegate(QObject* pParent = nullptr);
249
250 QWidget* createEditor(QWidget *pParent,
251 const QStyleOptionViewItem& option, const QModelIndex& index) const;
252 void setEditorData(QWidget *pEditor, const QModelIndex& index) const;
253 void setModelData(QWidget *pEditor, QAbstractItemModel* model,
254 const QModelIndex& index) const;
255 void updateEditorGeometry(QWidget *pEditor,
256 const QStyleOptionViewItem& option, const QModelIndex& index) const;
257 };
258
259 } // namespace QSampler
260
261 // So we can use it i.e. through QVariant
262 Q_DECLARE_METATYPE(QSampler::ChannelRoutingItem)
263
264 #endif // __qsamplerChannel_h
265
266
267 // end of qsamplerChannel.h

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