/[svn]/qsampler/trunk/src/qsamplerChannel.h
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revision 341 by capela, Tue Jan 18 11:29:01 2005 UTC revision 1464 by capela, Thu Nov 1 17:14:21 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 <QAbstractTableModel>
28    #include <QMetaType>
29    #include <QItemDelegate>
30    #include <QFontMetrics>
31    #include <QModelIndex>
32    #include <QSize>
33    
34  #include <lscp/client.h>  #include <lscp/client.h>
35  #include <lscp/device.h>  #include <lscp/device.h>
36    
37  #include "qsamplerOptions.h"  #include "qsamplerOptions.h"
38    
39  class qsamplerMainForm;  class qsamplerDevice;
40    
41    
42    // Typedef'd QMap.
43    typedef QMap<int, int> qsamplerChannelRoutingMap;
44    
45    
46  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
# Line 40  class qsamplerChannel Line 51  class qsamplerChannel
51  {  {
52  public:  public:
53    
54      // Constructor.          // Constructor.
55      qsamplerChannel(qsamplerMainForm *pMainForm, int iChannelID = -1);          qsamplerChannel(int iChannelID = -1);
56      // Default destructor.          // Default destructor.
57      ~qsamplerChannel();          ~qsamplerChannel();
58    
59      // Main application options accessor.          // Add/remove sampler channel methods.
60      qsamplerOptions *options();          bool     addChannel();
61            bool     removeChannel();
62      // LSCP client descriptor accessor.  
63      lscp_client_t * client();          // Sampler channel ID accessors.
64            int      channelID() const;
65      // Add/remove sampler channel methods.          void     setChannelID(int iChannelID);
66      bool     addChannel();  
67      bool     removeChannel();          // Readable channel name.
68            QString  channelName() const;
69      // Sampler channel ID accessors.  
70      int      channelID();          // Engine name property.
71      void     setChannelID(int iChannelID);          const QString& engineName() const;
72                bool     loadEngine(const QString& sEngineName);
73      // Readable channel name.  
74      QString  channelName();          // Instrument file and index.
75            const QString& instrumentFile() const;
76      // Engine name property.          int      instrumentNr() const;
77      QString& engineName();          const QString& instrumentName() const;
78      bool     loadEngine(const QString& sEngineName);          int      instrumentStatus() const;
79        
80      // Instrument file and index.          // Instrument file loader.
81      QString& instrumentFile();          bool     loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);
82      int      instrumentNr();          // Special instrument file/name/number settler.
83      int      instrumentStatus();          bool     setInstrument(const QString& sInstrumentFile, int iInstrumentNr);
84      bool     loadInstrument(const QString& sInstrumentFile, int iInstrumentNr);  
85                // MIDI input driver (DEPRECATED).
86      // MIDI input driver (DEPRECATED).          const QString& midiDriver() const;
87      QString& midiDriver();          bool     setMidiDriver(const QString& sMidiDriver);
88      bool     setMidiDriver(const QString& sMidiDriver);  
89                // MIDI input device.
90      // MIDI input device.          int      midiDevice() const;
91      int      midiDevice();          bool     setMidiDevice(int iMidiDevice);
92      bool     setMidiDevice(int iMidiDevice);  
93                // MIDI input port.
94      // MIDI input port.          int      midiPort() const;
95      int      midiPort();          bool     setMidiPort(int iMidiPort);
96      bool     setMidiPort(int iMidiPort);  
97                // MIDI input channel.
98      // MIDI input channel.          int      midiChannel() const;
99      int      midiChannel();          bool     setMidiChannel(int iMidiChannel);
100      bool     setMidiChannel(int iMidiChannel);  
101                // MIDI instrument map.
102      // Audio output driver (DEPRECATED).          int      midiMap() const;
103      QString& audioDriver();          bool     setMidiMap(int iMidiMap);
104      bool     setAudioDriver(const QString& sAudioDriver);  
105            // Audio output driver (DEPRECATED).
106      // Audio output device.          const QString& audioDriver() const;
107      int      audioDevice();          bool     setAudioDriver(const QString& sAudioDriver);
108      bool     setAudioDevice(int iAudioDevice);  
109                // Audio output device.
110      // Sampler channel volume.          int      audioDevice() const;
111      float    volume();          bool     setAudioDevice(int iAudioDevice);
112      bool     setVolume(float fVolume);  
113            // Sampler channel volume.
114      // Channel info structure map executive.          float    volume() const;
115      bool     updateChannelInfo();          bool     setVolume(float fVolume);
116    
117      // Reset channel method.          // Sampler channel mute state.
118      bool     resetChannel();          bool     channelMute() const;
119            bool     setChannelMute(bool bMute);
120      // Channel setup dialog form.  
121      bool     channelSetup(QWidget *pParent);          // Sampler channel solo state.
122            bool     channelSolo() const;
123      // Message logging methods (brainlessly mapped to main form's).          bool     setChannelSolo(bool bSolo);
124      void     appendMessages       (const QString & s);  
125      void     appendMessagesColor  (const QString & s, const QString & c);          // Audio routing accessors.
126      void     appendMessagesText   (const QString & s);          int      audioChannel(int iAudioOut) const;
127      void     appendMessagesError  (const QString & s);          bool     setAudioChannel(int iAudioOut, int iAudioIn);
128      void     appendMessagesClient (const QString & s);          // The audio routing map itself.
129            const qsamplerChannelRoutingMap& audioRouting() const;
130      // Context menu event handler.  
131      void contextMenuEvent(QContextMenuEvent *pEvent);          // Istrument name remapper.
132            void     updateInstrumentName();
133      // Retrieve the available instrument name(s) of an instrument file (.gig).  
134      static QString     getInstrumentName (const QString& sInstrumentFile, int iInstrumentNr);          // Channel info structure map executive.
135      static QStringList getInstrumentList (const QString& sInstrumentFile);          bool     updateChannelInfo();
136    
137      // Instrument name(s) retrieval mode.          // Channel setup dialog form.
138      static bool instrumentNames();          bool     channelSetup(QWidget *pParent);
139      static void setInstrumentNames (bool bInstrumentNames);  
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:  private:
171    
172      // Main application form reference.          // Unique channel identifier.
173      qsamplerMainForm *m_pMainForm;          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    // qsamplerChannelRoutingTable - Channel routing table widget.
199    //
200    
201      // Unique channel identifier.  #if 0
202      int     m_iChannelID;  class qsamplerChannelRoutingTable : public QTable
203    {
204            Q_OBJECT
205    
206    public:
207    
208            // Constructor.
209            qsamplerChannelRoutingTable(QWidget *pParent = 0, const char *pszName = 0);
210            // Default destructor.
211            ~qsamplerChannelRoutingTable();
212    
213            // Common parameter table renderer.
214            void refresh(qsamplerDevice *pDevice,
215                    const qsamplerChannelRoutingMap& routing);
216    
217            // Commit any pending editing.
218            void flush();
219    };
220    #endif
221    
222    struct ChannelRoutingItem {
223        QStringList options;
224        int         selection;
225    };
226    
227    // so we can use it i.e. through QVariant
228    Q_DECLARE_METATYPE(ChannelRoutingItem)
229    
230    class ChannelRoutingModel : public QAbstractTableModel {
231            Q_OBJECT
232        public:
233            ChannelRoutingModel(QObject* parent = 0);
234    
235            // overridden methods from subclass(es)
236            int rowCount(const QModelIndex &parent) const;
237            int columnCount(const QModelIndex &parent) const;
238            QVariant data(const QModelIndex &index, int role) const;
239            QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
240    
241        public slots:
242            void refresh(qsamplerDevice *pDevice, const qsamplerChannelRoutingMap& routing);
243    
244        private:
245            qsamplerDevice* pDevice;
246            qsamplerChannelRoutingMap routing;
247    };
248    
249    class ChannelRoutingDelegate : public QItemDelegate {
250            Q_OBJECT
251        public:
252            ChannelRoutingDelegate(QObject* parent = 0);
253    
254            QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option,
255                                  const QModelIndex& index) const;
256    
257            void setEditorData(QWidget* editor, const QModelIndex& index) const;
258            void setModelData(QWidget* editor, QAbstractItemModel* model,
259                              const QModelIndex& index) const;
260    
261            void updateEditorGeometry(QWidget* editor,
262                const QStyleOptionViewItem& option, const QModelIndex& index) const;
263    };
264    
265    
266    //-------------------------------------------------------------------------
267    // qsamplerChannelRoutingComboBox - Custom combo box for routing table.
268    //
269    
270    /*
271    class qsamplerChannelRoutingComboBox : public QTableWidgetItem
272    {
273    public:
274    
275            // Constructor.
276            qsamplerChannelRoutingComboBox(QTableWidget *pTable,
277                    const QStringList& list, const QPixmap& pixmap);
278    
279            // Public accessors.
280            void setCurrentItem(int iCurrentItem);
281            int currentItem() const;
282    
283    protected:
284    
285            // Virtual implemetations.
286            QWidget *createEditor() const;
287            void setContentFromEditor(QWidget *pWidget);
288    
289    private:
290    
291      // Sampler channel info map.          // Initial value holders
292      QString m_sEngineName;          QStringList m_list;
293      QString m_sInstrumentFile;          int m_iCurrentItem;
     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;  
   
     // Retrieve mode for available instrument name(s)  
         // from an instrument file (.gig).  
         static bool g_bInstrumentNames;  
294  };  };
295    */
296    
297  #endif  // __qsamplerChannel_h  #endif  // __qsamplerChannel_h
298    
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