/[svn]/qsampler/trunk/src/qsamplerChannel.h
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revision 303 by capela, Fri Nov 19 10:18:59 2004 UTC revision 2563 by capela, Tue May 20 10:59:37 2014 UTC
# Line 1  Line 1 
1  // qsamplerChannel.h  // qsamplerChannel.h
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2003-2004, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2014, 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     This program is free software; you can redistribute it and/or
8     modify it under the terms of the GNU General Public License     modify it under the terms of the GNU General Public License
# Line 13  Line 14 
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15     GNU General Public License for more details.     GNU General Public License for more details.
16    
17     You should have received a copy of the GNU General Public License     You should have received a copy of the GNU General Public License along
18     along with this program; if not, write to the Free Software     with this program; if not, write to the Free Software Foundation, Inc.,
19     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20    
21  *****************************************************************************/  *****************************************************************************/
22    
23  #ifndef __qsamplerChannel_h  #ifndef __qsamplerChannel_h
24  #define __qsamplerChannel_h  #define __qsamplerChannel_h
25    
26  #include <qobject.h>  #include <QTableWidgetItem>
27    #include <QItemDelegate>
28    
29  #include <lscp/client.h>  #include <lscp/client.h>
30  #include <lscp/device.h>  #include <lscp/device.h>
31    
32  #include "qsamplerOptions.h"  #include "qsamplerOptions.h"
33    
34  class qsamplerMainForm;  namespace QSampler {
35    
36    class Device;
37    
38    // Typedef'd QMap.
39    typedef QMap<int, int> ChannelRoutingMap;
40    
41    
42  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
43  // qsamplerChannel - Sampler channel structure.  // QSampler::Channel - Sampler channel structure.
44  //  //
45    
46  class qsamplerChannel  class Channel
47  {  {
48  public:  public:
49    
50      // Constructor.          // Constructor.
51      qsamplerChannel(qsamplerMainForm *pMainForm, int iChannelID = -1);          Channel(int iChannelID = -1);
52      // Default destructor.          // Default destructor.
53      ~qsamplerChannel();          ~Channel();
54    
55      // Main application options accessor.          // Add/remove sampler channel methods.
56      qsamplerOptions *options();          bool     addChannel();
57            bool     removeChannel();
58      // LSCP client descriptor accessor.  
59      lscp_client_t * client();          // Sampler channel ID accessors.
60            int      channelID() const;
61      // Add/remove sampler channel methods.          void     setChannelID(int iChannelID);
62      bool     addChannel();  
63      bool     removeChannel();          // Readable channel name.
64            QString  channelName() const;
65      // Sampler channel ID accessors.  
66      int      channelID();          // Engine name property.
67      void     setChannelID(int iChannelID);          const QString& engineName() const;
68                bool     loadEngine(const QString& sEngineName);
69      // Readable channel name.  
70      QString  channelName();          // Instrument file and index.
71            const QString& instrumentFile() const;
72      // Engine name property.          int      instrumentNr() const;
73      QString& engineName();          const QString& instrumentName() const;
74      bool     loadEngine(const QString& sEngineName);          int      instrumentStatus() const;
75        
76      // Instrument file and index.          // Instrument file loader.
77      QString& instrumentFile();          bool     loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);
78      int      instrumentNr();          // Special instrument file/name/number settler.
79      int      instrumentStatus();          bool     setInstrument(const QString& sInstrumentFile, int iInstrumentNr);
80      bool     loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);  
81                // MIDI input driver (DEPRECATED).
82      // MIDI input driver (DEPRECATED).          const QString& midiDriver() const;
83      QString& midiDriver();          bool     setMidiDriver(const QString& sMidiDriver);
84      bool     setMidiDriver(const QString& sMidiDriver);  
85                // MIDI input device.
86      // MIDI input device.          int      midiDevice() const;
87      int      midiDevice();          bool     setMidiDevice(int iMidiDevice);
88      bool     setMidiDevice(int iMidiDevice);  
89                // MIDI input port.
90      // MIDI input port.          int      midiPort() const;
91      int      midiPort();          bool     setMidiPort(int iMidiPort);
92      bool     setMidiPort(int iMidiPort);  
93                // MIDI input channel.
94      // MIDI input channel.          int      midiChannel() const;
95      int      midiChannel();          bool     setMidiChannel(int iMidiChannel);
96      bool     setMidiChannel(int iMidiChannel);  
97                // MIDI instrument map.
98      // Audio output driver (DEPRECATED).          int      midiMap() const;
99      QString& audioDriver();          bool     setMidiMap(int iMidiMap);
100      bool     setAudioDriver(const QString& sAudioDriver);  
101            // Audio output driver (DEPRECATED).
102      // Audio output device.          const QString& audioDriver() const;
103      int      audioDevice();          bool     setAudioDriver(const QString& sAudioDriver);
104      bool     setAudioDevice(int iAudioDevice);  
105                // Audio output device.
106      // Sampler channel volume.          int      audioDevice() const;
107      float    volume();          bool     setAudioDevice(int iAudioDevice);
108      bool     setVolume(float fVolume);  
109            // Sampler channel volume.
110      // Channel info structure map executive.          float    volume() const;
111      bool     updateChannelInfo();          bool     setVolume(float fVolume);
112    
113      // Reset channel method.          // Sampler channel mute state.
114      bool     resetChannel();          bool     channelMute() const;
115            bool     setChannelMute(bool bMute);
116      // Channel setup dialog form.  
117      bool     channelSetup(QWidget *pParent);          // Sampler channel solo state.
118            bool     channelSolo() const;
119      // Message logging methods (brainlessly mapped to main form's).          bool     setChannelSolo(bool bSolo);
120      void     appendMessages       (const QString & s);  
121      void     appendMessagesColor  (const QString & s, const QString & c);          // Audio routing accessors.
122      void     appendMessagesText   (const QString & s);          int      audioChannel(int iAudioOut) const;
123      void     appendMessagesError  (const QString & s);          bool     setAudioChannel(int iAudioOut, int iAudioIn);
124      void     appendMessagesClient (const QString & s);          // The audio routing map itself.
125            const ChannelRoutingMap& audioRouting() const;
126      // Context menu event handler.  
127      void contextMenuEvent(QContextMenuEvent *pEvent);          // Istrument name remapper.
128            void     updateInstrumentName();
129      // Retrieve the available instrument name(s) of an instrument file (.gig).  
130      static QString     getInstrumentName (const QString& sInstrumentFile, int iInstrumentNr);          // Channel info structure map executive.
131      static QStringList getInstrumentList (const QString& sInstrumentFile);          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:  private:
168    
169      // Main application form reference.          // Unique channel identifier.
170      qsamplerMainForm *m_pMainForm;          int     m_iChannelID;
171    
172      // Unique channel identifier.          // Sampler channel info map.
173      int     m_iChannelID;          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      // Sampler channel info map.          // The audio routing mapping.
190      QString m_sEngineName;          ChannelRoutingMap m_audioRouting;
     QString m_sInstrumentFile;  
     int     m_iInstrumentNr;  
     int     m_iInstrumentStatus;  
     QString m_sMidiDriver;          // DEPRECATED.  
     int     m_iMidiDevice;  
     int     m_iMidiPort;  
     int     m_iMidiChannel;  
     QString m_sAudioDriver;         // DEPRECATED.  
     int     m_iAudioDevice;  
     float   m_fVolume;  
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 = NULL);
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 = NULL);
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  #endif  // __qsamplerChannel_h
265    
266    
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