ListViews.h

/*****************************************************************************
 * ListViews.h: BeOS interface list view class prototype
 *****************************************************************************
 * Copyright (C) 1999, 2000, 2001 the VideoLAN team
 * $Id: ListViews.h 11664 2005-07-09 06:17:09Z courmisch $
 *
 * Authors: Stephan Aßmus <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

#ifndef LIST_VIEWS_H
#define LIST_VIEWS_H

#include <ListItem.h>
#include <ListView.h>
#include <String.h>

enum
{
        DISPLAY_PATH    = 0,
        DISPLAY_NAME,
};

class InterfaceWindow;

// PlaylistItem
class PlaylistItem : public BStringItem
{
 public:
                                                        PlaylistItem( const char* name );
                virtual                         ~PlaylistItem();

                virtual void            Draw( BView* owner, BRect frame,
                                                                  bool tintedLine,
                                                                  uint32 mode,
                                                                  bool active = false,
                                                                  bool playing = false );

 private:
                BString                         fName;  // additional to BStringItem::Text()

};

// DragSortableListView
class DragSortableListView : public BListView
{
 public:
                                                        DragSortableListView( BRect frame,
                                                                                                  const char* name,
                                                                                                  list_view_type type
                                                                                                                = B_SINGLE_SELECTION_LIST,
                                                                                                  uint32 resizingMode
                                                                                                                = B_FOLLOW_LEFT
                                                                                                                  | B_FOLLOW_TOP,
                                                                                                  uint32 flags
                                                                                                                = B_WILL_DRAW
                                                                                                                  | B_NAVIGABLE
                                                                                                                  | B_FRAME_EVENTS );
        virtual                                 ~DragSortableListView();

                                                        // BListView
        virtual void                    Draw( BRect updateRect );
        virtual bool                    InitiateDrag( BPoint point, int32 index,
                                                                                  bool wasSelected );
        virtual void                    MessageReceived( BMessage* message );
        virtual void                    MouseMoved( BPoint where, uint32 transit,
                                                                                const BMessage* dragMessage );
        virtual void                    MouseUp( BPoint where );
        virtual void                    WindowActivated( bool active );
        virtual void                    DrawItem( BListItem *item, BRect itemFrame,
                                                                          bool complete = false);

                                                        // DragSortableListView
        virtual void                    ModifiersChanged();     // called by window

        virtual void                    MoveItems( BList& items, int32 toIndex );
        virtual void                    CopyItems( BList& items, int32 toIndex );
        virtual void                    RemoveItemList( BList& indices );
                        void                    RemoveSelected(); // uses RemoveItemList()
                        int32                   CountSelectedItems() const;

        virtual BListItem*              CloneItem( int32 atIndex ) const = 0;
        virtual void                    DrawListItem( BView* owner, int32 index,
                                                                                  BRect itemFrame ) const = 0;
        virtual void                    MakeDragMessage( BMessage* message ) const = 0;

 private:
                        void                    _SetDropAnticipationRect( BRect r );
                        void                    _SetDropIndex( int32 index );
                        void                    _RemoveDropAnticipationRect();

        BRect                                   fDropRect;
        BMessage                                fDragMessageCopy;

 protected:
        int32                                   fDropIndex;
};

// PlaylistView
class PlaylistView : public DragSortableListView
{
 public:
                                                        PlaylistView( intf_thread_t * p_intf,
                                                                      BRect frame,
                                                                                  InterfaceWindow* mainWindow,
                                                                                  BMessage* selectionChangeMessage = NULL );
                                                        ~PlaylistView();

                                                        // BListView
        virtual void                    AttachedToWindow();
        virtual void                    MessageReceived( BMessage* message );
        virtual void                    MouseDown( BPoint where );
        virtual void                    KeyDown( const char* bytes, int32 numBytes );
        virtual void                    Pulse();
        virtual void                    SelectionChanged();

                                                        // DragSortableListView
        virtual void                    MoveItems( BList& items, int32 toIndex );
        virtual void                    CopyItems( BList& items, int32 toIndex );
        virtual void                    RemoveItemList( BList& indices );

        virtual BListItem*              CloneItem( int32 atIndex ) const;
        virtual void                    DrawListItem( BView* owner, int32 index,
                                                                                  BRect itemFrame ) const;
        virtual void                    MakeDragMessage( BMessage* message ) const;

                                                        // PlaylistView
                        void                    SetCurrent( int32 index );
                        void                    SetPlaying( bool playing );
                        void                    RebuildList();

                        void                    SortReverse();
                        void                    SortByPath();
                        void                    SortByName();

                        void                    SetDisplayMode( uint32 mode );
                        uint32                  DisplayMode() const
                                                                { return fDisplayMode; }

 private:
                        BListItem*              _PlayingItem() const;
                        void                    _SetPlayingIndex( BListItem* item );

    intf_thread_t * p_intf;

        int32                                   fCurrentIndex;
        bool                                    fPlaying;
        uint32                                  fDisplayMode;
        InterfaceWindow*                fMainWindow;
        BMessage*                               fSelectionChangeMessage;
        PlaylistItem*                   fLastClickedItem;
};

#endif // LIST_VIEWS_H

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