/[svn]/qsampler/trunk/src/qsamplerInstrumentList.h
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revision 1013 by capela, Mon Jan 8 16:52:48 2007 UTC revision 1499 by capela, Tue Nov 20 16:48:04 2007 UTC
# Line 2  Line 2 
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2003-2007, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2003-2007, 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 22  Line 23 
23  #ifndef __qsamplerInstrumentList_h  #ifndef __qsamplerInstrumentList_h
24  #define __qsamplerInstrumentList_h  #define __qsamplerInstrumentList_h
25    
26  #include <qlistview.h>  #include <QListWidget>
27  #include <qheader.h>  #include <QItemDelegate>
28    
29  #include <lscp/client.h>  #include <lscp/client.h>
30    
31    #include "qsamplerInstrument.h"
32    
 // Forward declarations.  
 class qsamplerInstrument;  
 class qsamplerInstrumentList;  
33    
34  class QAction;  //-------------------------------------------------------------------------
35    // MidiInstrumentsModel - data model for MIDI prog mappings (used for QTableView)
   
 //----------------------------------------------------------------------  
 // class qsamplerInstrumentGroup -- custom group list view item.  
 //  
   
 class qsamplerInstrumentGroup : public QListViewItem  
 {  
 public:  
   
         // Constructors.  
         qsamplerInstrumentGroup(qsamplerInstrumentList *pListView,  
                 const QString& sName, QListViewItem *pItemAfter = NULL);  
         qsamplerInstrumentGroup(qsamplerInstrumentGroup *pGroupItem,  
                 const QString& sName);  
         // Default destructor.  
         virtual ~qsamplerInstrumentGroup();  
   
         // Instance accessors.  
         void setName(const QString& sName);  
         QString name() const;  
   
         qsamplerInstrumentList  *listView() const;  
         qsamplerInstrumentGroup *groupItem() const;  
   
         // To show up whether its open or not.  
         virtual void setOpen(bool bOpen);  
   
         // To virtually distinguish between list view items.  
         virtual int rtti() const;  
 };  
   
   
 //----------------------------------------------------------------------  
 // class qsamplerInstrumentItem -- custom file list view item.  
 //  
   
 class qsamplerInstrumentItem : public qsamplerInstrumentGroup  
 {  
 public:  
   
         // Constructors.  
         qsamplerInstrumentItem(qsamplerInstrumentList *pListView,  
                 qsamplerInstrument *pInstrument,  
                 QListViewItem *pItemAfter = NULL);  
         qsamplerInstrumentItem(qsamplerInstrumentGroup *pGroupItem,  
                 qsamplerInstrument *pInstrument);  
         // Default destructor.  
         virtual ~qsamplerInstrumentItem();  
   
         // To virtually distinguish between list view items.  
         virtual int rtti() const;  
   
         // Payload accessor.  
         qsamplerInstrument *instrument() const;  
   
         // View refreshment.  
         void update();  
   
 private:  
   
         // File item full path.  
         qsamplerInstrument *m_pInstrument;  
 };  
   
   
 //----------------------------------------------------------------------------  
 // qsamplerInstrumentList -- MIDI instrument list view.  
36  //  //
37    
38  class qsamplerInstrumentList : public QListView  class MidiInstrumentsModel : public QAbstractTableModel {
39  {  Q_OBJECT
         Q_OBJECT  
   
40  public:  public:
41        MidiInstrumentsModel(QObject* parent = 0);
42    
43          // Constructor.      // overridden methods from subclass(es)
44          qsamplerInstrumentList(QWidget *pParent, const char *pszName = NULL);      int rowCount(const QModelIndex &parent) const;
45          // Default destructor.      int columnCount(const QModelIndex &parent) const;
46          ~qsamplerInstrumentList();      QVariant data(const QModelIndex &index, int role) const;
47        QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
48          // QListViewItem::rtti() return values.  
49          enum ItemType { Group = 1001, Item = 1002 };      // make the following method public
50        QAbstractTableModel::reset;
51          // Add a new group/file item, optionally under a given group.  
52          qsamplerInstrumentGroup *addGroup(const QString& sName,      // own methods
53                  qsamplerInstrumentGroup *pParentGroup = NULL);      qsamplerInstrument* addInstrument(int iMap = 0, int iBank = -1, int iProg = -1);
54          qsamplerInstrumentItem *addItem(      void removeInstrument(const qsamplerInstrument& instrument);
55                  qsamplerInstrument *pInstrument,      void resort(const qsamplerInstrument instrument);
56                  qsamplerInstrumentGroup *pParentGroup = NULL);  
57        // Map selector.
58          // Find a group/file item, given its name.      void setMidiMap(int iMidiMap);
59          qsamplerInstrumentGroup *findGroup(const QString& sName) const;      int midiMap() const;
         qsamplerInstrumentItem  *findItem(  
                 qsamplerInstrument *pInstrument) const;  
   
         // Map selector.  
         void setMidiMap(int iMidiMap);  
         int midiMap() const;  
   
         // List actions accessors.  
         QAction *newGroupAction() const;  
         QAction *newItemAction() const;  
         QAction *editItemAction() const;  
         QAction *renameAction() const;  
         QAction *deleteAction() const;  
         QAction *refreshAction() const;  
60    
61  signals:  signals:
62        // Instrument map/session change signal.
63          // Instrument map/session change signal.      void instrumentsChanged();
         void instrumentsChanged();  
64    
65  public slots:  public slots:
66        // General reloader.
67        void refresh();
68    
69          // General reloader.  private:
70          void refresh();      typedef QMap<int, QList<qsamplerInstrument> > InstrumentsMap;
71    
72  protected slots:      // Current map selection.
73        int m_iMidiMap;
74    
75          // Add a new group item below the current one.      InstrumentsMap instruments;
76          void newGroupSlot();  };
         // Add a instrument item below the current one.  
         void newItemSlot();  
         // Change current instrument item.  
         void editItemSlot();  
         // Rename current group/item.  
         void renameSlot();  
         // Remove current group/item.  
         void deleteSlot();  
   
         // In-place selection slot.  
         void selectionChangedSlot();  
   
         // In-place activation slot.  
         void activatedSlot(QListViewItem *pListItem);  
   
         // In-place aliasing slot.  
         void renamedSlot(QListViewItem *pItem);  
77    
 protected:  
78    
79          // Find and return the nearest group item...  //-------------------------------------------------------------------------
80          qsamplerInstrumentGroup *groupItem(QListViewItem *pListItem) const;  // MidiInstrumentsDelegate - table cell renderer for MIDI prog mappings
81    // (doesn't actually do anything ATM, but is already there for a future
82    // cell editor widget implementation)
83    
84          // Context menu request event handler.  class MidiInstrumentsDelegate : public QItemDelegate {
85          void contextMenuEvent(QContextMenuEvent *pContextMenuEvent);  Q_OBJECT
86    public:
87        MidiInstrumentsDelegate(QObject* parent = 0);
88    
89  private:      QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option,
90                              const QModelIndex& index) const;
91    
92          // List view actions.      void setEditorData(QWidget* editor, const QModelIndex& index) const;
93          QAction *m_pNewGroupAction;      void setModelData(QWidget* editor, QAbstractItemModel* model,
94          QAction *m_pNewItemAction;                        const QModelIndex& index) const;
         QAction *m_pEditItemAction;  
         QAction *m_pRenameAction;  
         QAction *m_pDeleteAction;  
         QAction *m_pRefreshAction;  
95    
96          // Current map selection.      void updateEditorGeometry(QWidget* editor,
97          int m_iMidiMap;          const QStyleOptionViewItem& option, const QModelIndex& index) const;
98  };  };
99    
100    
101  #endif  // __qsamplerInstrumentList_h  #endif  // __qsamplerInstrumentList_h
102    
103    
104  // end of qsamplerInstrumentList.h  // end of qsamplerInstrumentList.h
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