src/queuemanager.h

   1 /***************************************************************************
   2  * copyright            : (C) 2005 Seb Ruiz <me@sebruiz.net>               *
   3  **************************************************************************/
   4
   5 /***************************************************************************
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  ***************************************************************************/
  13
  14 #ifndef AMAROK_QUEUEMANAGER_H
  15 #define AMAROK_QUEUEMANAGER_H
  16
  17 #include "playlistitem.h"
  18
  19 #include <KDialog>    //baseclass
  20
  21 #include <QListWidget>      //baseclass
  22 #include <QListWidgetItem> //baseclass
  23 #include <QMap>
  24
  25 class KPushButton;
  26 class QDragEnterEvent;
  27 class QDragMoveEvent;
  28 class QDropEvent;
  29 class QKeyEvent;
  30 class QPaintEvent;
  31
  32 class QueueItem : public QListWidgetItem
  33 {
  34
  35      public:
  36         QueueItem( const QString& s ) : QListWidgetItem( s ) { }
  37 #if 0
  38         void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align );
  39 #endif
  40 };
  41
  42 class QueueList : public QListWidget
  43 {
  44         Q_OBJECT
  45
  46     friend class QueueManager;
  47
  48     public:
  49         explicit QueueList( QWidget *parent, const char *name = 0 );
  50         ~QueueList() {}
  51
  52         bool    hasSelection();
  53         bool    isEmpty() { return ( count() == 0 ); }
  54
  55     public slots:
  56         void    moveSelectedUp() { moveSelected( -1 ); }
  57         void    moveSelectedDown() { moveSelected( 1 ); }
  58         void    removeSelected();
  59         virtual void    clear();
  60
  61     private:
  62         void    moveSelected( int direction );
  63         void    dragEnterEvent( QDragEnterEvent *e );
  64         void    dragMoveEvent( QDragMoveEvent* e );
  65         void    dropEvent( QDropEvent *e );
  66         void    keyPressEvent( QKeyEvent *e );
  67         void    paintEvent( QPaintEvent* );
  68
  69      signals:
  70         void    changed();
  71 };
  72
  73 class QueueManager : public KDialog
  74 {
  75         Q_OBJECT
  76
  77     public:
  78         explicit QueueManager( QWidget *parent = 0, const char *name = 0 );
  79         ~QueueManager();
  80
  81         QList<PlaylistItem* > newQueue();
  82
  83         static QueueManager *instance() { return s_instance; }
  84
  85     public slots:
  86         void    applyNow();
  87         void    addItems( QListWidgetItem *after = 0 ); /// For the add button (uses selected playlist tracks)
  88         void    changeQueuedItems( const QList<PlaylistItem*> &in, const QList<PlaylistItem*> &out );  /// For keeping queue/dequeue in sync
  89         void    updateButtons();
  90
  91     private slots:
  92         void    removeSelected();
  93         void    changed();
  94
  95     private:
  96         void    insertItems();
  97         void    addQueuedItem( PlaylistItem *item );
  98         void    removeQueuedItem( PlaylistItem *item );
  99
 100         QMap<QListWidgetItem*, PlaylistItem*> m_map;
 101         QueueList   *m_listview;
 102         KPushButton *m_up;
 103         KPushButton *m_down;
 104         KPushButton *m_remove;
 105         KPushButton *m_add;
 106         KPushButton *m_clear;
 107
 108         static QueueManager *s_instance;
 109 };
 110
 111 #endif /* AMAROK_QUEUEMANAGER_H */