//=========================================================
//  MusE
//  Linux Music Editor
//    $Id: lmaster.h,v 1.1.1.1.2.5 2005/12/11 21:29:23 spamatica Exp $
//  (C) Copyright 2000 Werner Schweer (ws@seh.de)
//=========================================================

#ifndef __LMASTER_EDIT_H__
#define __LMASTER_EDIT_H__

#include "midieditor.h"
#include "noteinfo.h"
#include "cobject.h"
#include "tempo.h"
#include "keyevent.h"
///#include "sig.h"
//#include "al/sig.h"

#include <QTreeWidgetItem>

namespace AL {
      class SigEvent;
      };
using AL::SigEvent;

namespace Awl {
      class PosEdit;
      class SigEdit;
      };
using Awl::PosEdit;
using Awl::SigEdit;

class QLineEdit;
class QComboBox;

enum LMASTER_LVTYPE
   {
      LMASTER_TEMPO = 0,
      LMASTER_SIGEVENT,
      LMASTER_KEYEVENT
   };


//---------------------------------------------------------
//   LMasterLViewItem
//!  QListViewItem base class for LMasterTempoItem and LMasterSigEventItem
//---------------------------------------------------------
class LMasterLViewItem : public QTreeWidgetItem {
   protected:
      QString c1, c2, c3, c4;

   public:
      LMasterLViewItem(QTreeWidget* parent)
           : QTreeWidgetItem(QTreeWidgetItem::UserType) {parent->insertTopLevelItem(0, this);}
      virtual QString text(int column) const;
      virtual LMASTER_LVTYPE getType() = 0;
      virtual unsigned tick() = 0;
      };

//---------------------------------------------------------
//   LMasterTempoItem
//!  QListViewItem which holds data for a TEvent
//---------------------------------------------------------
class LMasterTempoItem : public LMasterLViewItem {

   private:
      const TEvent* tempoEvent;

   public:
      LMasterTempoItem(QTreeWidget* parent, const TEvent* t);
      virtual LMASTER_LVTYPE getType() { return LMASTER_TEMPO; }
      const TEvent* getEvent() { return tempoEvent; }
      virtual unsigned tick() { return tempoEvent->tick; }
      int tempo() { return tempoEvent->tempo; }
      };

//---------------------------------------------------------
//   LMasterKeyItem
//!  QListViewItem which holds data for a KetEvent
//---------------------------------------------------------
class LMasterKeyEventItem : public LMasterLViewItem {

   private:
      KeyEvent keyEvent;

   public:
      LMasterKeyEventItem(QTreeWidget* parent, const KeyEvent& t);
      virtual LMASTER_LVTYPE getType() { return LMASTER_KEYEVENT; }
      const KeyEvent& getEvent() { return keyEvent; }
      virtual unsigned tick() { return keyEvent.tick; }
      key_enum key() { return keyEvent.key; }
      };
//---------------------------------------------------------
//   LMasterTempoItem
//!  QListViewItem which holds data for a SigEvent
//---------------------------------------------------------
class LMasterSigEventItem : public LMasterLViewItem {

   private:
      const SigEvent* sigEvent;

   public:
      LMasterSigEventItem(QTreeWidget* parent, const SigEvent* s);
      virtual LMASTER_LVTYPE getType() { return LMASTER_SIGEVENT; }
      const SigEvent* getEvent() { return sigEvent; }
      virtual unsigned tick() { return sigEvent->tick; }
      int z() { return sigEvent->sig.z; }
      int n() { return sigEvent->sig.n; }
      };


//---------------------------------------------------------
//   LMaster
//---------------------------------------------------------

class LMaster : public MidiEditor {
      QTreeWidget* view;
      QToolBar* tools;
      QMenu* menuEdit;

      enum { CMD_DELETE, CMD_INSERT_SIG, CMD_INSERT_TEMPO, CMD_EDIT_BEAT, CMD_EDIT_VALUE, CMD_INSERT_KEY };

      Q_OBJECT
      virtual void closeEvent(QCloseEvent*);
      void updateList();
      void insertTempo(const TEvent*);
      void insertSig(const SigEvent*);
      void insertKey(const KeyEvent&);
      LMasterLViewItem* getItemAtPos(unsigned tick, LMASTER_LVTYPE t);
      void initShortcuts();
      QLineEdit* tempo_editor;
      PosEdit*   pos_editor;
      QComboBox*  key_editor;
      // State-like members:
      LMasterLViewItem* editedItem;
      SigEdit* sig_editor;
      int editorColumn;
      bool editingNewItem;

      QAction *tempoAction, *signAction, *posAction, *valAction, *delAction, *keyAction;

   private slots:
      void select(QTreeWidgetItem*, QTreeWidgetItem*);
      void itemDoubleClicked(QTreeWidgetItem* item);
      void returnPressed();
      void itemPressed(QTreeWidgetItem* i, int column);
      void tempoButtonClicked();
      void timeSigButtonClicked();
      void insertKey();
      void cmd(int cmd);

   public slots:
      void songChanged(int);
      void configChanged();

   signals:
      void deleted(unsigned long);
      void seekTo(int tick);

   public:
      LMaster();
      ~LMaster();
      virtual void readStatus(Xml&);
      virtual void writeStatus(int, Xml&) const;
      LMasterLViewItem* getLastOfType(LMASTER_LVTYPE t);
      };


#endif