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

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Revision 2387 - (show annotations) (download) (as text)
Sat Dec 29 00:21:11 2012 UTC (5 years, 10 months ago) by capela
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* Preparations for Qt5 migration. (TESTING)
1 // qsamplerChannel.h
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2012, 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
160 // Retrieve the available instrument name(s) of an instrument file (.gig).
161 static QString getInstrumentName (const QString& sInstrumentFile,
162 int iInstrumentNr, bool bInstrumentNames);
163 static QStringList getInstrumentList (const QString& sInstrumentFile,
164 bool bInstrumentNames);
165
166 private:
167
168 // Unique channel identifier.
169 int m_iChannelID;
170
171 // Sampler channel info map.
172 QString m_sEngineName;
173 QString m_sInstrumentName;
174 QString m_sInstrumentFile;
175 int m_iInstrumentNr;
176 int m_iInstrumentStatus;
177 QString m_sMidiDriver;
178 int m_iMidiDevice;
179 int m_iMidiPort;
180 int m_iMidiChannel;
181 int m_iMidiMap;
182 QString m_sAudioDriver;
183 int m_iAudioDevice;
184 float m_fVolume;
185 bool m_bMute;
186 bool m_bSolo;
187
188 // The audio routing mapping.
189 ChannelRoutingMap m_audioRouting;
190 };
191
192
193 //-------------------------------------------------------------------------
194 // QSampler::ChannelRoutingModel - data model for audio routing
195 // (used for QTableView)
196 //
197
198 struct ChannelRoutingItem {
199 QStringList options;
200 int selection;
201 };
202
203 class ChannelRoutingModel : public QAbstractTableModel
204 {
205 Q_OBJECT
206 public:
207
208 ChannelRoutingModel(QObject* pParent = NULL);
209
210 // overridden methods from subclass(es)
211 int rowCount(const QModelIndex& parent = QModelIndex()) const;
212 int columnCount(const QModelIndex& parent = QModelIndex()) const;
213 Qt::ItemFlags flags(const QModelIndex& index) const;
214 bool setData(const QModelIndex& index, const QVariant& value,
215 int role = Qt::EditRole);
216 QVariant data(const QModelIndex &index, int role) const;
217 QVariant headerData(int section, Qt::Orientation orientation,
218 int role = Qt::DisplayRole) const;
219
220 // own methods
221 ChannelRoutingMap routingMap() const { return m_routing; }
222
223 void clear() { m_routing.clear(); }
224
225 public slots:
226
227 void refresh(Device *pDevice,
228 const ChannelRoutingMap& routing);
229
230 private:
231
232 Device *m_pDevice;
233 ChannelRoutingMap m_routing;
234 };
235
236
237 //-------------------------------------------------------------------------
238 // QSampler::ChannelRoutingDelegate - table cell renderer for audio routing
239 //
240
241 class ChannelRoutingDelegate : public QItemDelegate
242 {
243 Q_OBJECT
244
245 public:
246
247 ChannelRoutingDelegate(QObject* pParent = NULL);
248
249 QWidget* createEditor(QWidget *pParent,
250 const QStyleOptionViewItem& option, const QModelIndex& index) const;
251 void setEditorData(QWidget *pEditor, const QModelIndex& index) const;
252 void setModelData(QWidget *pEditor, QAbstractItemModel* model,
253 const QModelIndex& index) const;
254 void updateEditorGeometry(QWidget *pEditor,
255 const QStyleOptionViewItem& option, const QModelIndex& index) const;
256 };
257
258 } // namespace QSampler
259
260 // So we can use it i.e. through QVariant
261 Q_DECLARE_METATYPE(QSampler::ChannelRoutingItem)
262
263 #endif // __qsamplerChannel_h
264
265
266 // end of qsamplerChannel.h

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