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

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Revision 1489 - (show annotations) (download) (as text)
Mon Nov 19 03:29:57 2007 UTC (12 years, 2 months ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 7843 byte(s)
* Qt4 migration: finished channel setup dialog
* cosmetical fixes of channel strip

1 // qsamplerChannel.h
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2007, 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 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 <QAbstractTableModel>
28 #include <QMetaType>
29 #include <QItemDelegate>
30 #include <QFontMetrics>
31 #include <QModelIndex>
32 #include <QSize>
33
34 #include <lscp/client.h>
35 #include <lscp/device.h>
36
37 #include "qsamplerOptions.h"
38
39 class qsamplerDevice;
40
41
42 // Typedef'd QMap.
43 typedef QMap<int, int> qsamplerChannelRoutingMap;
44
45
46 //-------------------------------------------------------------------------
47 // qsamplerChannel - Sampler channel structure.
48 //
49
50 class qsamplerChannel
51 {
52 public:
53
54 // Constructor.
55 qsamplerChannel(int iChannelID = -1);
56 // Default destructor.
57 ~qsamplerChannel();
58
59 // Add/remove sampler channel methods.
60 bool addChannel();
61 bool removeChannel();
62
63 // Sampler channel ID accessors.
64 int channelID() const;
65 void setChannelID(int iChannelID);
66
67 // Readable channel name.
68 QString channelName() const;
69
70 // Engine name property.
71 const QString& engineName() const;
72 bool loadEngine(const QString& sEngineName);
73
74 // Instrument file and index.
75 const QString& instrumentFile() const;
76 int instrumentNr() const;
77 const QString& instrumentName() const;
78 int instrumentStatus() const;
79
80 // Instrument file loader.
81 bool loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);
82 // Special instrument file/name/number settler.
83 bool setInstrument(const QString& sInstrumentFile, int iInstrumentNr);
84
85 // MIDI input driver (DEPRECATED).
86 const QString& midiDriver() const;
87 bool setMidiDriver(const QString& sMidiDriver);
88
89 // MIDI input device.
90 int midiDevice() const;
91 bool setMidiDevice(int iMidiDevice);
92
93 // MIDI input port.
94 int midiPort() const;
95 bool setMidiPort(int iMidiPort);
96
97 // MIDI input channel.
98 int midiChannel() const;
99 bool setMidiChannel(int iMidiChannel);
100
101 // MIDI instrument map.
102 int midiMap() const;
103 bool setMidiMap(int iMidiMap);
104
105 // Audio output driver (DEPRECATED).
106 const QString& audioDriver() const;
107 bool setAudioDriver(const QString& sAudioDriver);
108
109 // Audio output device.
110 int audioDevice() const;
111 bool setAudioDevice(int iAudioDevice);
112
113 // Sampler channel volume.
114 float volume() const;
115 bool setVolume(float fVolume);
116
117 // Sampler channel mute state.
118 bool channelMute() const;
119 bool setChannelMute(bool bMute);
120
121 // Sampler channel solo state.
122 bool channelSolo() const;
123 bool setChannelSolo(bool bSolo);
124
125 // Audio routing accessors.
126 int audioChannel(int iAudioOut) const;
127 bool setAudioChannel(int iAudioOut, int iAudioIn);
128 // The audio routing map itself.
129 const qsamplerChannelRoutingMap& audioRouting() const;
130
131 // Istrument name remapper.
132 void updateInstrumentName();
133
134 // Channel info structure map executive.
135 bool updateChannelInfo();
136
137 // Channel setup dialog form.
138 bool channelSetup(QWidget *pParent);
139
140 // Reset channel method.
141 bool channelReset();
142
143 // Spawn instrument editor method.
144 bool editChannel();
145
146 // Message logging methods (brainlessly mapped to main form's).
147 void appendMessages (const QString & s) const;
148 void appendMessagesColor (const QString & s, const QString & c) const;
149 void appendMessagesText (const QString & s) const;
150 void appendMessagesError (const QString & s) const;
151 void appendMessagesClient (const QString & s) const;
152
153 // Context menu event handler.
154 void contextMenuEvent(QContextMenuEvent *pEvent);
155
156 // Common (invalid) name-helpers.
157 static QString noEngineName();
158 static QString noInstrumentName();
159 static QString loadingInstrument();
160
161 // Check whether a given file is an instrument file.
162 static bool isInstrumentFile (const QString& sInstrumentFile);
163
164 // Retrieve the available instrument name(s) of an instrument file (.gig).
165 static QString getInstrumentName (const QString& sInstrumentFile,
166 int iInstrumentNr, bool bInstrumentNames);
167 static QStringList getInstrumentList (const QString& sInstrumentFile,
168 bool bInstrumentNames);
169
170 private:
171
172 // Unique channel identifier.
173 int m_iChannelID;
174
175 // Sampler channel info map.
176 QString m_sEngineName;
177 QString m_sInstrumentName;
178 QString m_sInstrumentFile;
179 int m_iInstrumentNr;
180 int m_iInstrumentStatus;
181 QString m_sMidiDriver;
182 int m_iMidiDevice;
183 int m_iMidiPort;
184 int m_iMidiChannel;
185 int m_iMidiMap;
186 QString m_sAudioDriver;
187 int m_iAudioDevice;
188 float m_fVolume;
189 bool m_bMute;
190 bool m_bSolo;
191
192 // The audio routing mapping.
193 qsamplerChannelRoutingMap m_audioRouting;
194 };
195
196
197 //-------------------------------------------------------------------------
198 // ChannelRoutingModel - data model for audio routing (used for QTableView)
199 //
200
201 struct ChannelRoutingItem {
202 QStringList options;
203 int selection;
204 };
205
206 // so we can use it i.e. through QVariant
207 Q_DECLARE_METATYPE(ChannelRoutingItem)
208
209 class ChannelRoutingModel : public QAbstractTableModel {
210 Q_OBJECT
211 public:
212 ChannelRoutingModel(QObject* parent = 0);
213
214 // overridden methods from subclass(es)
215 int rowCount(const QModelIndex &parent = QModelIndex()) const;
216 int columnCount(const QModelIndex &parent = QModelIndex()) const;
217 Qt::ItemFlags flags(const QModelIndex& index) const;
218 bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
219 QVariant data(const QModelIndex &index, int role) const;
220 QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
221
222 // own methods
223 qsamplerChannelRoutingMap routingMap() const {
224 return routing;
225 }
226
227 void clear() { routing.clear(); }
228
229 public slots:
230 void refresh(qsamplerDevice *pDevice, const qsamplerChannelRoutingMap& routing);
231
232 private:
233 qsamplerDevice* pDevice;
234 qsamplerChannelRoutingMap routing;
235 };
236
237
238 //-------------------------------------------------------------------------
239 // ChannelRoutingDelegate - table cell renderer for audio routing
240 //
241
242 class ChannelRoutingDelegate : public QItemDelegate {
243 Q_OBJECT
244 public:
245 ChannelRoutingDelegate(QObject* parent = 0);
246 QWidget* createEditor(QWidget* parent,
247 const QStyleOptionViewItem& option,
248 const QModelIndex& index) const;
249 void setEditorData(QWidget* editor, const QModelIndex& index) const;
250 void setModelData(QWidget* editor, QAbstractItemModel* model,
251 const QModelIndex& index) const;
252 void updateEditorGeometry(QWidget* editor,
253 const QStyleOptionViewItem& option,
254 const QModelIndex& index) const;
255 };
256
257 #endif // __qsamplerChannel_h
258
259 // end of qsamplerChannel.h

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