/[svn]/qsampler/trunk/src/qsamplerChannel.h
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revision 388 by capela, Thu Feb 17 17:27:59 2005 UTC revision 1558 by capela, Thu Dec 6 09:35:33 2007 UTC
# Line 1  Line 1 
1  // qsamplerChannel.h  // qsamplerChannel.h
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved.     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     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);
     int      instrumentNr();  
     QString& instrumentName();  
     int      instrumentStatus();  
     bool     loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);  
78          // Special instrument file/name/number settler.          // Special instrument file/name/number settler.
79      bool     setInstrument(const QString& sInstrumentFile, int iInstrumentNr);          bool     setInstrument(const QString& sInstrumentFile, int iInstrumentNr);
80    
81      // MIDI input driver (DEPRECATED).          // MIDI input driver (DEPRECATED).
82      QString& midiDriver();          const QString& midiDriver() const;
83      bool     setMidiDriver(const QString& sMidiDriver);          bool     setMidiDriver(const QString& sMidiDriver);
84        
85      // MIDI input device.          // MIDI input device.
86      int      midiDevice();          int      midiDevice() const;
87      bool     setMidiDevice(int iMidiDevice);          bool     setMidiDevice(int iMidiDevice);
88        
89      // MIDI input port.          // MIDI input port.
90      int      midiPort();          int      midiPort() const;
91      bool     setMidiPort(int iMidiPort);          bool     setMidiPort(int iMidiPort);
92        
93      // MIDI input channel.          // MIDI input channel.
94      int      midiChannel();          int      midiChannel() const;
95      bool     setMidiChannel(int iMidiChannel);          bool     setMidiChannel(int iMidiChannel);
96        
97      // Audio output driver (DEPRECATED).          // MIDI instrument map.
98      QString& audioDriver();          int      midiMap() const;
99      bool     setAudioDriver(const QString& sAudioDriver);          bool     setMidiMap(int iMidiMap);
100    
101      // Audio output device.          // Audio output driver (DEPRECATED).
102      int      audioDevice();          const QString& audioDriver() const;
103      bool     setAudioDevice(int iAudioDevice);          bool     setAudioDriver(const QString& sAudioDriver);
104        
105      // Sampler channel volume.          // Audio output device.
106      float    volume();          int      audioDevice() const;
107      bool     setVolume(float fVolume);          bool     setAudioDevice(int iAudioDevice);
108    
109      // Istrument name remapper.          // Sampler channel volume.
110      void     updateInstrumentName();          float    volume() const;
111            bool     setVolume(float fVolume);
112      // Channel info structure map executive.  
113      bool     updateChannelInfo();          // Sampler channel mute state.
114            bool     channelMute() const;
115      // Reset channel method.          bool     setChannelMute(bool bMute);
116      bool     resetChannel();  
117            // Sampler channel solo state.
118      // Channel setup dialog form.          bool     channelSolo() const;
119      bool     channelSetup(QWidget *pParent);          bool     setChannelSolo(bool bSolo);
120    
121      // Message logging methods (brainlessly mapped to main form's).          // Audio routing accessors.
122      void     appendMessages       (const QString & s);          int      audioChannel(int iAudioOut) const;
123      void     appendMessagesColor  (const QString & s, const QString & c);          bool     setAudioChannel(int iAudioOut, int iAudioIn);
124      void     appendMessagesText   (const QString & s);          // The audio routing map itself.
125      void     appendMessagesError  (const QString & s);          const ChannelRoutingMap& audioRouting() const;
126      void     appendMessagesClient (const QString & s);  
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.          // Context menu event handler.
150      void contextMenuEvent(QContextMenuEvent *pEvent);          void contextMenuEvent(QContextMenuEvent *pEvent);
151    
152          // Common (invalid) name-helpers.          // Common (invalid) name-helpers.
153      static QString noEngineName();          static QString noEngineName();
154      static QString noInstrumentName();          static QString noInstrumentName();
155            static QString loadingInstrument();
156    
157          // Check whether a given file is an instrument file.          // Check whether a given file is an instrument file.
158          static bool isInstrumentFile (const QString& sInstrumentFile);          static bool isInstrumentFile (const QString& sInstrumentFile);
159    
160      // Retrieve the available instrument name(s) of an instrument file (.gig).          // Retrieve the available instrument name(s) of an instrument file (.gig).
161      static QString getInstrumentName (const QString& sInstrumentFile,          static QString getInstrumentName (const QString& sInstrumentFile,
162                                                          int iInstrumentNr, bool bInstrumentNames);                                                          int iInstrumentNr, bool bInstrumentNames);
163      static QStringList getInstrumentList (const QString& sInstrumentFile,          static QStringList getInstrumentList (const QString& sInstrumentFile,
164                                                          bool bInstrumentNames);                                                          bool bInstrumentNames);
165    
166  private:  private:
167    
168      // Main application form reference.          // Unique channel identifier.
169      qsamplerMainForm *m_pMainForm;          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    
     // Unique channel identifier.  
     int     m_iChannelID;  
236    
237      // Sampler channel info map.  //-------------------------------------------------------------------------
238      QString m_sEngineName;  // QSampler::ChannelRoutingDelegate - table cell renderer for audio routing
239      QString m_sInstrumentName;  //
240      QString m_sInstrumentFile;  
241      int     m_iInstrumentNr;  class ChannelRoutingDelegate : public QItemDelegate
242      int     m_iInstrumentStatus;  {
243      QString m_sMidiDriver;          // DEPRECATED.          Q_OBJECT
244      int     m_iMidiDevice;  
245      int     m_iMidiPort;  public:
246      int     m_iMidiChannel;  
247      QString m_sAudioDriver;         // DEPRECATED.          ChannelRoutingDelegate(QObject* pParent = NULL);
248      int     m_iAudioDevice;  
249      float   m_fVolume;          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  #endif  // __qsamplerChannel_h
264    
265    
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