/[svn]/qsampler/trunk/src/qsamplerDevice.h
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revision 430 by capela, Tue Mar 8 17:23:29 2005 UTC revision 1499 by capela, Tue Nov 20 16:48:04 2007 UTC
# Line 1  Line 1 
1  // qsamplerDevice.h  // qsamplerDevice.h
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 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 __qsamplerDevice_h  #ifndef __qsamplerDevice_h
24  #define __qsamplerDevice_h  #define __qsamplerDevice_h
25    
26  #include <qlistview.h>  #include <QListWidget>
27  #include <qtable.h>  #include <QListWidgetItem>
28    #include <QTreeWidgetItem>
29    #include <QTableWidget>
30    #include <QTableWidgetItem>
31    #include <QAbstractTableModel>
32    #include <QItemDelegate>
33    #include <QFontMetrics>
34    #include <QModelIndex>
35    #include <QSize>
36    #include <QList>
37    
38  #include <lscp/client.h>  #include <lscp/client.h>
39  #include <lscp/device.h>  #include <lscp/device.h>
# Line 34  Line 44 
44  // Special QListViewItem::rtti() unique return value.  // Special QListViewItem::rtti() unique return value.
45  #define QSAMPLER_DEVICE_ITEM    1001  #define QSAMPLER_DEVICE_ITEM    1001
46    
47    // Early forward declarations.
48    class qsamplerMainForm;
49    class qsamplerDevicePort;
50    
51    
52  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
53  // qsamplerDeviceParam - MIDI/Audio Device parameter structure.  // qsamplerDeviceParam - MIDI/Audio Device parameter structure.
# Line 42  class qsamplerDeviceParam Line 56  class qsamplerDeviceParam
56  {  {
57  public:  public:
58    
59      // Constructor.          // Constructor.
60      qsamplerDeviceParam(lscp_param_info_t *pParamInfo = NULL,          qsamplerDeviceParam(lscp_param_info_t *pParamInfo = NULL,
61                  const char *pszValue = NULL);                  const char *pszValue = NULL);
62      // Default destructor.          // Default destructor.
63      ~qsamplerDeviceParam();          ~qsamplerDeviceParam();
64    
65          // Initializer.          // Initializer.
66          void setParam(lscp_param_info_t *pParamInfo,          void setParam(lscp_param_info_t *pParamInfo,
67                  const char *pszValue = NULL);                  const char *pszValue = NULL);
68    
69      // Info structure field members.          // Info structure field members.
70      lscp_type_t type;          lscp_type_t     type;
71      QString     description;          QString         description;
72      bool        mandatory;          bool            mandatory;
73      bool        fix;          bool            fix;
74      bool        multiplicity;          bool            multiplicity;
75      QStringList depends;          QStringList depends;
76      QString     defaultv;          QString         defaultv;
77      QString     range_min;          QString         range_min;
78      QString     range_max;          QString         range_max;
79      QStringList possibilities;          QStringList possibilities;
80      // The current parameter value.          // The current parameter value.
81      QString     value;          QString         value;
82  };  };
83    
84  // A typedef'd parameter QMap.  // Typedef'd parameter QMap.
85  typedef QMap<QString, qsamplerDeviceParam> qsamplerDeviceParamMap;  typedef QMap<QString, qsamplerDeviceParam> qsamplerDeviceParamMap;
86    
87    // Typedef'd device port/channels QptrList.
88    typedef QList<qsamplerDevicePort *> qsamplerDevicePortList;
89    
90    
91  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
92  // qsamplerDevice - MIDI/Audio Device structure.  // qsamplerDevice - MIDI/Audio Device structure.
# Line 79  class qsamplerDevice Line 96  class qsamplerDevice
96  {  {
97  public:  public:
98    
99      // We use the same class for MIDI and audio device management          // We use the same class for MIDI and audio device management
100      enum qsamplerDeviceType { Midi, Audio };          enum qsamplerDeviceType { None, Midi, Audio };
101    
102      // Constructor.          // Constructor.
103      qsamplerDevice(lscp_client_t *pClient,          qsamplerDevice(qsamplerDeviceType deviceType, int iDeviceID = -1);
104                  qsamplerDeviceType deviceType, int iDeviceID = -1);          // Copy constructor.
105      // Default destructor.      qsamplerDevice(const qsamplerDevice& device);
106      ~qsamplerDevice();          // Default destructor.
107            ~qsamplerDevice();
108    
109          // Initializer.          // Initializer.
110          void setDevice(lscp_client_t *pClient,          void setDevice(qsamplerDeviceType deviceType, int iDeviceID = -1);
111                  qsamplerDeviceType deviceType, int iDeviceID = -1);  
112                            // Driver name initializer.
113            void setDriver(const QString& sDriverName);
114    
115          // Device property accessors.          // Device property accessors.
116      int                 deviceID()   const;          int                 deviceID()   const;
117      qsamplerDeviceType  deviceType() const;          qsamplerDeviceType  deviceType() const;
118      const QString&      driverName() const;          const QString&      deviceTypeName() const;
119      const QString&      deviceName() const;          const QString&      driverName() const;
120            // Special device name formatter.
121            QString deviceName() const;
122    
123            // Set the proper device parameter value.
124            bool setParam (const QString& sParam, const QString& sValue);
125    
126          // Device parameters accessor.          // Device parameters accessor.
127          qsamplerDeviceParamMap& params();          const qsamplerDeviceParamMap& params() const;
128    
129            // Device port/channel list accessor.
130            qsamplerDevicePortList& ports();
131    
132          // Update/refresh device/driver data.          // Device parameter dependency list refreshner.
133          void refresh();          int refreshParams();
134            // Device port/channel list refreshner.
135            int refreshPorts();
136            // Refresh/set dependencies given that some parameter has changed.
137            int refreshDepends(const QString& sParam);
138    
139            // Create/destroy device methods.
140            bool createDevice();
141            bool deleteDevice();
142    
143            // Message logging methods (brainlessly mapped to main form's).
144            void appendMessages       (const QString& s) const;
145            void appendMessagesColor  (const QString& s, const QString & c) const;
146            void appendMessagesText   (const QString& s) const;
147            void appendMessagesError  (const QString& s) const;
148            void appendMessagesClient (const QString& s) const;
149    
150          // Device ids enumerator.          // Device ids enumerator.
151      static int *getDevices(lscp_client_t *pClient,          static int *getDevices(lscp_client_t *pClient,
152                  qsamplerDeviceType deviceType);                  qsamplerDeviceType deviceType);
153    
154          // Driver names enumerator.          // Driver names enumerator.
155      static QStringList getDrivers(lscp_client_t *pClient,          static QStringList getDrivers(lscp_client_t *pClient,
156                  qsamplerDeviceType deviceType);                  qsamplerDeviceType deviceType);
157    
158  private:  private:
159    
160            // Refresh/set given parameter based on driver supplied dependencies.
161            int refreshParam(const QString& sParam);
162    
163            // Main application form reference.
164            qsamplerMainForm  *m_pMainForm;
165    
166          // Instance variables.          // Instance variables.
167      int                m_iDeviceID;          int                m_iDeviceID;
168      qsamplerDeviceType m_deviceType;          qsamplerDeviceType m_deviceType;
169      QString            m_sDriverName;          QString            m_sDeviceType;
170      QString            m_sDeviceName;          QString            m_sDriverName;
171            QString            m_sDeviceName;
172    
173          // Device parameter list.          // Device parameter list.
174          qsamplerDeviceParamMap m_params;          qsamplerDeviceParamMap m_params;
175    
176            // Device port/channel list.
177            qsamplerDevicePortList m_ports;
178  };  };
179    
180    
181  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
182  // qsamplerDeviceItem - QListView device item.  // qsamplerDevicePort - MIDI/Audio Device port/channel structure.
183  //  //
184    
185  class qsamplerDeviceItem : public QListViewItem  class qsamplerDevicePort
186  {  {
187  public:  public:
188    
189      // Constructors.          // Constructor.
190      qsamplerDeviceItem(QListView *pListView, lscp_client_t *pClient,          qsamplerDevicePort(qsamplerDevice& device, int iPortID);
191                  qsamplerDevice::qsamplerDeviceType deviceType);          // Default destructor.
192      qsamplerDeviceItem(QListViewItem *pItem, lscp_client_t *pClient,          ~qsamplerDevicePort();
                 qsamplerDevice::qsamplerDeviceType deviceType, int iDeviceID);  
     // Default destructor.  
     ~qsamplerDeviceItem();  
193    
194      // Instance accessors.          // Initializer.
195      const qsamplerDevice& device();          void setDevicePort(int iPortID);
196    
197      // To virtually distinguish between list view items.          // Device port property accessors.
198      virtual int rtti() const;          int            portID()   const;
199            const QString& portName() const;
200    
201            // Device port parameters accessor.
202            const qsamplerDeviceParamMap& params() const;
203    
204            // Set the proper device port/channel parameter value.
205            bool setParam (const QString& sParam, const QString& sValue);
206    
207  private:  private:
208    
209      // Instance variables.          // Device reference.
210      qsamplerDevice m_device;          qsamplerDevice& m_device;
211    
212            // Instance variables.
213            int     m_iPortID;
214            QString m_sPortName;
215    
216            // Device port parameter list.
217            qsamplerDeviceParamMap m_params;
218  };  };
219    
220    
221  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
222  // qsamplerDeviceParamTable - Device parameter view table.  // qsamplerDeviceItem - QListView device item.
223  //  //
224    
225  class qsamplerDeviceParamTable : public QTable  class qsamplerDeviceItem : public QTreeWidgetItem
226  {  {
     Q_OBJECT  
   
227  public:  public:
228    
229      // Constructor.          // Constructors.
230      qsamplerDeviceParamTable(QWidget *pParent = 0, const char *pszName = 0);          qsamplerDeviceItem(QTreeWidget* pTreeWidget,
231      // Default destructor.                  qsamplerDevice::qsamplerDeviceType deviceType);
232      ~qsamplerDeviceParamTable();          qsamplerDeviceItem(QTreeWidgetItem* pItem,
233                    qsamplerDevice::qsamplerDeviceType deviceType, int iDeviceID);
234      // Client/device descriptor selector.          // Default destructor.
235          void setDevice(lscp_client_t *pClient,          ~qsamplerDeviceItem();
236                  qsamplerDevice::qsamplerDeviceType deviceType, int iDeviceID = -1);  
237            // Instance accessors.
238      // Client/device descriptor accessors.          qsamplerDevice& device();
239          lscp_client_t *client();  
         int deviceID();  
   
         // The main table refresher.  
         void refresh();  
           
240  private:  private:
241    
242      // LSCP client/device references.          // Instance variables.
243      lscp_client_t *m_pClient;          qsamplerDevice m_device;
     qsamplerDevice::qsamplerDeviceType m_deviceType;  
     int m_iDeviceID;  
244  };  };
245    
246    struct DeviceParameterRow {
247        QString             name;
248        qsamplerDeviceParam param;
249    };
250    
251  #endif  // __qsamplerDevice_h  // so we can use it i.e. through QVariant
252    Q_DECLARE_METATYPE(DeviceParameterRow)
253    
254    //-------------------------------------------------------------------------
255    // AbstractDeviceParamModel - data model base class for device parameters
256    //
257    class AbstractDeviceParamModel : public QAbstractTableModel {
258            Q_OBJECT
259        public:
260            AbstractDeviceParamModel(QObject* parent = 0);
261    
262            // overridden methods from subclass(es)
263            int rowCount(const QModelIndex& parent = QModelIndex()) const;
264            int columnCount(const QModelIndex& parent = QModelIndex() ) const;
265            QVariant data(const QModelIndex &index, int role) const;
266            QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
267            Qt::ItemFlags flags(const QModelIndex& index) const;
268    
269            virtual void clear();
270    
271            void refresh(const qsamplerDeviceParamMap* params, bool bEditable);
272    
273        protected:
274            const qsamplerDeviceParamMap* params;
275            bool bEditable;
276    };
277    
278    //-------------------------------------------------------------------------
279    // DeviceParamModel - data model for device parameters (used for QTableView)
280    //
281    class DeviceParamModel : public AbstractDeviceParamModel {
282            Q_OBJECT
283        public:
284            DeviceParamModel(QObject* parent = 0);
285    
286            // overridden methods from subclass(es)
287            bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
288            void clear();
289    
290        public slots:
291            void refresh(qsamplerDevice* pDevice, bool bEditable);
292    
293        private:
294            qsamplerDevice* device;
295    };
296    
297    //-------------------------------------------------------------------------
298    // PortParamModel - data model for port parameters (used for QTableView)
299    //
300    class PortParamModel : public AbstractDeviceParamModel {
301            Q_OBJECT
302        public:
303            PortParamModel(QObject* parent = 0);
304    
305            // overridden methods from subclass(es)
306            bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
307            void clear();
308    
309        public slots:
310            void refresh(qsamplerDevicePort* pPort, bool bEditable);
311    
312        private:
313            qsamplerDevicePort* port;
314    };
315    
316    //-------------------------------------------------------------------------
317    // DeviceParamDelegate - table cell renderer for device/port parameters
318    //
319    class DeviceParamDelegate : public QItemDelegate {
320            Q_OBJECT
321        public:
322            DeviceParamDelegate(QObject* parent = 0);
323            QWidget* createEditor(QWidget* parent,
324                                  const QStyleOptionViewItem& option,
325                                  const QModelIndex& index) const;
326            void setEditorData(QWidget* editor, const QModelIndex& index) const;
327            void setModelData(QWidget* editor, QAbstractItemModel* model,
328                              const QModelIndex& index) const;
329            void updateEditorGeometry(QWidget* editor,
330                                      const QStyleOptionViewItem& option,
331                                      const QModelIndex& index) const;
332    };
333    
334    #endif  // __qsamplerDevice_h
335    
336  // end of qsamplerDevice.h  // end of qsamplerDevice.h
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