git.sesse.net Git - vlc/blob - modules/gui/beos/ListViews.cpp

   1 /*****************************************************************************
   2  * ListViews.h: BeOS interface list view class implementation
   3  *****************************************************************************
   4  * Copyright (C) 1999, 2000, 2001 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Stephan Aßmus <stippi@yellowbites.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #if 0
  25
  26 #include <malloc.h>
  27
  28 #include <Bitmap.h>
  29 #include <Entry.h>
  30 #include <String.h>
  31
  32 /* VLC headers */
  33 #ifdef HAVE_CONFIG_H
  34 # include "config.h"
  35 #endif
  36
  37 #include <vlc_common.h>
  38 #include <vlc_interface.h>
  39
  40 #include "InterfaceWindow.h"
  41 #include "ListViews.h"
  42 #include "MsgVals.h"
  43
  44 #define MAX_DRAG_HEIGHT        200.0
  45 #define ALPHA                170
  46 #define TEXT_OFFSET            20.0
  47
  48 /*****************************************************************************
  49  * PlaylistItem class
  50  *****************************************************************************/
  51 PlaylistItem::PlaylistItem( const char *name )
  52     : BStringItem( name ),
  53       fName( "" )
  54 {
  55     entry_ref ref;
  56     if ( get_ref_for_path( name, &ref) == B_OK )
  57         fName.SetTo( ref.name );
  58 }
  59
  60 PlaylistItem::~PlaylistItem()
  61 {
  62 }
  63
  64 /*****************************************************************************
  65  * PlaylistItem::DrawItem
  66  *****************************************************************************/
  67 void
  68 PlaylistItem::Draw( BView *owner, BRect frame, bool tintedLine,
  69                     uint32 mode, bool active, bool playing )
  70 {
  71     rgb_color color = (rgb_color){ 255, 255, 255, 255 };
  72     if ( tintedLine )
  73         color = tint_color( color, 1.04 );
  74     // background
  75     if ( IsSelected() )
  76         color = tint_color( color, B_DARKEN_2_TINT );
  77     owner->SetLowColor( color );
  78     owner->FillRect( frame, B_SOLID_LOW );
  79     // label
  80     owner->SetHighColor( 0, 0, 0, 255 );
  81     font_height fh;
  82     owner->GetFontHeight( &fh );
  83     const char* text = Text();
  84     switch ( mode )
  85     {
  86         case DISPLAY_NAME:
  87             if ( fName.CountChars() > 0 )
  88                 text = fName.String();
  89             break;
  90         case DISPLAY_PATH:
  91         default:
  92             break;
  93     }
  94     BString truncatedString( text );
  95     owner->TruncateString( &truncatedString, B_TRUNCATE_MIDDLE,
  96                            frame.Width() - TEXT_OFFSET - 4.0 );
  97     owner->DrawString( truncatedString.String(),
  98                        BPoint( frame.left + TEXT_OFFSET,
  99                                frame.top + fh.ascent + 1.0 ) );
 100     // playmark
 101     if ( active )
 102     {
 103         rgb_color black = (rgb_color){ 0, 0, 0, 255 };
 104         rgb_color green = (rgb_color){ 0, 255, 0, 255 };
 105         BRect r( 0.0, 0.0, 10.0, 10.0 );
 106         r.OffsetTo( frame.left + 4.0,
 107                     ceilf( ( frame.top + frame.bottom ) / 2.0 ) - 5.0 );
 108         if ( !playing )
 109             green = tint_color( color, B_DARKEN_1_TINT );
 110         rgb_color lightGreen = tint_color( green, B_LIGHTEN_2_TINT );
 111         rgb_color darkGreen = tint_color( green, B_DARKEN_2_TINT );
 112         BPoint arrow[3];
 113         arrow[0] = r.LeftTop();
 114         arrow[1] = r.LeftBottom();
 115         arrow[2].x = r.right;
 116         arrow[2].y = ( r.top + r.bottom ) / 2.0;
 117         owner->BeginLineArray( 6 );
 118             // black outline
 119             owner->AddLine( arrow[0], arrow[1], black );
 120             owner->AddLine( BPoint( arrow[1].x + 1.0, arrow[1].y - 1.0 ),
 121                             arrow[2], black );
 122             owner->AddLine( arrow[0], arrow[2], black );
 123             // inset arrow
 124             arrow[0].x += 1.0;
 125             arrow[0].y += 2.0;
 126             arrow[1].x += 1.0;
 127             arrow[1].y -= 2.0;
 128             arrow[2].x -= 2.0;
 129             // highlights and shadow
 130             owner->AddLine( arrow[1], arrow[2], darkGreen );
 131             owner->AddLine( arrow[0], arrow[2], lightGreen );
 132             owner->AddLine( arrow[0], arrow[1], lightGreen );
 133         owner->EndLineArray();
 134         // fill green
 135         arrow[0].x += 1.0;
 136         arrow[0].y += 1.0;
 137         arrow[1].x += 1.0;
 138         arrow[1].y -= 1.0;
 139         arrow[2].x -= 2.0;
 140         owner->SetHighColor( green );
 141         owner->FillPolygon( arrow, 3 );
 142     }
 143 }
 144
 145 /*****************************************************************************
 146  * DragSortableListView class
 147  *****************************************************************************/
 148 DragSortableListView::DragSortableListView( BRect frame, const char* name,
 149                                             list_view_type type, uint32 resizingMode,
 150                                             uint32 flags )
 151     : BListView( frame, name, type, resizingMode, flags ),
 152       fDropRect( 0.0, 0.0, -1.0, -1.0 ),
 153       fDropIndex( -1 )
 154 {
 155     SetViewColor( B_TRANSPARENT_32_BIT );
 156 }
 157
 158 DragSortableListView::~DragSortableListView()
 159 {
 160 }
 161
 162 /*****************************************************************************
 163  * DragSortableListView::Draw
 164  *****************************************************************************/
 165 void
 166 DragSortableListView::Draw( BRect updateRect )
 167 {
 168     int32 firstIndex = IndexOf( updateRect.LeftTop() );
 169     int32 lastIndex = IndexOf( updateRect.RightBottom() );
 170     if ( firstIndex >= 0 )
 171     {
 172         if ( lastIndex < firstIndex )
 173             lastIndex = CountItems() - 1;
 174         // update rect contains items
 175         BRect r( updateRect );
 176         for ( int32 i = firstIndex; i <= lastIndex; i++)
 177         {
 178             r = ItemFrame( i );
 179             DrawListItem( this, i, r );
 180         }
 181         updateRect.top = r.bottom + 1.0;
 182         if ( updateRect.IsValid() )
 183         {
 184             SetLowColor( 255, 255, 255, 255 );
 185             FillRect( updateRect, B_SOLID_LOW );
 186         }
 187     }
 188     else
 189     {
 190         SetLowColor( 255, 255, 255, 255 );
 191         FillRect( updateRect, B_SOLID_LOW );
 192     }
 193     // drop anticipation indication
 194     if ( fDropRect.IsValid() )
 195     {
 196         SetHighColor( 255, 0, 0, 255 );
 197         StrokeRect( fDropRect );
 198     }
 199 }
 200
 201 /*****************************************************************************
 202  * DragSortableListView::InitiateDrag
 203  *****************************************************************************/
 204 bool
 205 DragSortableListView::InitiateDrag( BPoint point, int32 index, bool )
 206 {
 207     bool success = false;
 208     BListItem* item = ItemAt( CurrentSelection( 0 ) );
 209     if ( !item )
 210     {
 211         // workarround a timing problem
 212         Select( index );
 213         item = ItemAt( index );
 214     }
 215     if ( item )
 216     {
 217         // create drag message
 218         BMessage msg( B_SIMPLE_DATA );
 219         MakeDragMessage( &msg );
 220         // figure out drag rect
 221         float width = Bounds().Width();
 222         BRect dragRect(0.0, 0.0, width, -1.0);
 223         // figure out, how many items fit into our bitmap
 224         int32 numItems;
 225         bool fade = false;
 226         for (numItems = 0; BListItem* item = ItemAt( CurrentSelection( numItems ) ); numItems++) {
 227             dragRect.bottom += ceilf( item->Height() ) + 1.0;
 228             if ( dragRect.Height() > MAX_DRAG_HEIGHT ) {
 229                 fade = true;
 230                 dragRect.bottom = MAX_DRAG_HEIGHT;
 231                 numItems++;
 232                 break;
 233             }
 234         }
 235         BBitmap* dragBitmap = new BBitmap( dragRect, B_RGB32, true );
 236         if ( dragBitmap && dragBitmap->IsValid() ) {
 237             if ( BView *v = new BView( dragBitmap->Bounds(), "helper", B_FOLLOW_NONE, B_WILL_DRAW ) ) {
 238                 dragBitmap->AddChild( v );
 239                 dragBitmap->Lock();
 240                 BRect itemBounds( dragRect) ;
 241                 itemBounds.bottom = 0.0;
 242                 // let all selected items, that fit into our drag_bitmap, draw
 243                 for ( int32 i = 0; i < numItems; i++ ) {
 244                     int32 index = CurrentSelection( i );
 245                     BListItem* item = ItemAt( index );
 246                     itemBounds.bottom = itemBounds.top + ceilf( item->Height() );
 247                     if ( itemBounds.bottom > dragRect.bottom )
 248                         itemBounds.bottom = dragRect.bottom;
 249                     DrawListItem( v, index, itemBounds );
 250                     itemBounds.top = itemBounds.bottom + 1.0;
 251                 }
 252                 // make a black frame arround the edge
 253                 v->SetHighColor( 0, 0, 0, 255 );
 254                 v->StrokeRect( v->Bounds() );
 255                 v->Sync();
 256
 257                 uint8 *bits = (uint8 *)dragBitmap->Bits();
 258                 int32 height = (int32)dragBitmap->Bounds().Height() + 1;
 259                 int32 width = (int32)dragBitmap->Bounds().Width() + 1;
 260                 int32 bpr = dragBitmap->BytesPerRow();
 261
 262                 if (fade) {
 263                     for ( int32 y = 0; y < height - ALPHA / 2; y++, bits += bpr ) {
 264                         uint8 *line = bits + 3;
 265                         for (uint8 *end = line + 4 * width; line < end; line += 4)
 266                             *line = ALPHA;
 267                     }
 268                     for ( int32 y = height - ALPHA / 2; y < height; y++, bits += bpr ) {
 269                         uint8 *line = bits + 3;
 270                         for (uint8 *end = line + 4 * width; line < end; line += 4)
 271                             *line = (height - y) << 1;
 272                     }
 273                 } else {
 274                     for ( int32 y = 0; y < height; y++, bits += bpr ) {
 275                         uint8 *line = bits + 3;
 276                         for (uint8 *end = line + 4 * width; line < end; line += 4)
 277                             *line = ALPHA;
 278                     }
 279                 }
 280                 dragBitmap->Unlock();
 281                 success = true;
 282             }
 283         }
 284         if (success)
 285             DragMessage( &msg, dragBitmap, B_OP_ALPHA, BPoint( 0.0, 0.0 ) );
 286         else {
 287             delete dragBitmap;
 288             DragMessage( &msg, dragRect.OffsetToCopy( point ), this );
 289         }
 290     }
 291     return success;
 292 }
 293
 294 /*****************************************************************************
 295  * DragSortableListView::WindowActivated
 296  *****************************************************************************/
 297 void
 298 DragSortableListView::WindowActivated( bool active )
 299 {
 300     // workarround for buggy focus indication of BScrollView
 301     if ( BView* view = Parent() )
 302         view->Invalidate();
 303 }
 304
 305 /*****************************************************************************
 306  * DragSortableListView::MessageReceived
 307  *****************************************************************************/
 308 void
 309 DragSortableListView::MessageReceived(BMessage* message)
 310 {
 311     switch ( message->what )
 312     {
 313         case B_MODIFIERS_CHANGED:
 314             ModifiersChanged();
 315             break;
 316         case B_SIMPLE_DATA:
 317         {
 318             DragSortableListView *list = NULL;
 319             if ( message->FindPointer( "list", (void **)&list ) == B_OK
 320                  && list == this )
 321             {
 322                 int32 count = CountItems();
 323                 if ( fDropIndex < 0 || fDropIndex > count )
 324                     fDropIndex = count;
 325                 BList items;
 326                 int32 index;
 327                 for ( int32 i = 0; message->FindInt32( "index", i, &index ) == B_OK; i++ )
 328                     if ( BListItem* item = ItemAt(index) )
 329                         items.AddItem( (void*)item );
 330                 if ( items.CountItems() > 0 )
 331                 {
 332                     if ( modifiers() & B_SHIFT_KEY )
 333                         CopyItems( items, fDropIndex );
 334                     else
 335                         MoveItems( items, fDropIndex );
 336                 }
 337                 fDropIndex = -1;
 338             }
 339             break;
 340         }
 341         default:
 342             BListView::MessageReceived( message );
 343             break;
 344     }
 345 }
 346
 347 /*****************************************************************************
 348  * DragSortableListView::MouseMoved
 349  *****************************************************************************/
 350 void
 351 DragSortableListView::MouseMoved(BPoint where, uint32 transit, const BMessage *msg)
 352 {
 353     if ( msg && ( msg->what == B_SIMPLE_DATA || msg->what == MSG_SOUNDPLAY ) )
 354     {
 355         bool replaceAll = !msg->HasPointer("list") && !(modifiers() & B_SHIFT_KEY);
 356         switch ( transit )
 357         {
 358             case B_ENTERED_VIEW:
 359                 // remember drag message
 360                 // this is needed to react on modifier changes
 361                 fDragMessageCopy = *msg;
 362             case B_INSIDE_VIEW:
 363             {
 364                 if ( replaceAll )
 365                 {
 366                     BRect r( Bounds() );
 367                     r.bottom--;    // compensate for scrollbar offset
 368                     _SetDropAnticipationRect( r );
 369                     fDropIndex = -1;
 370                 }
 371                 else
 372                 {
 373                     // offset where by half of item height
 374                     BRect r( ItemFrame( 0 ) );
 375                     where.y += r.Height() / 2.0;
 376
 377                     int32 index = IndexOf( where );
 378                     if ( index < 0 )
 379                         index = CountItems();
 380                     _SetDropIndex( index );
 381                 }
 382                 break;
 383             }
 384             case B_EXITED_VIEW:
 385                 // forget drag message
 386                 fDragMessageCopy.what = 0;
 387             case B_OUTSIDE_VIEW:
 388                 _RemoveDropAnticipationRect();
 389                 break;
 390         }
 391     }
 392     else
 393     {
 394         _RemoveDropAnticipationRect();
 395         BListView::MouseMoved(where, transit, msg);
 396         fDragMessageCopy.what = 0;
 397     }
 398 }
 399
 400 /*****************************************************************************
 401  * DragSortableListView::MouseUp
 402  *****************************************************************************/
 403 void
 404 DragSortableListView::MouseUp( BPoint where )
 405 {
 406     // remove drop mark
 407     _SetDropAnticipationRect( BRect( 0.0, 0.0, -1.0, -1.0 ) );
 408     // be sure to forget drag message
 409     fDragMessageCopy.what = 0;
 410     BListView::MouseUp( where );
 411 }
 412
 413 /*****************************************************************************
 414  * DragSortableListView::DrawItem
 415  *****************************************************************************/
 416 void
 417 DragSortableListView::DrawItem( BListItem *item, BRect itemFrame, bool complete )
 418 {
 419     DrawListItem( this, IndexOf( item ), itemFrame );
 420 }
 421
 422 /*****************************************************************************
 423  * DragSortableListView::ModifiersChaned
 424  *****************************************************************************/
 425 void
 426 DragSortableListView::ModifiersChanged()
 427 {
 428     BPoint where;
 429     uint32 buttons;
 430     GetMouse( &where, &buttons, false );
 431     uint32 transit = Bounds().Contains( where ) ? B_INSIDE_VIEW : B_OUTSIDE_VIEW;
 432     MouseMoved( where, transit, &fDragMessageCopy );
 433 }
 434
 435 /*****************************************************************************
 436  * DragSortableListView::MoveItems
 437  *****************************************************************************/
 438 void
 439 DragSortableListView::MoveItems( BList& items, int32 index )
 440 {
 441     DeselectAll();
 442     // we remove the items while we look at them, the insertion index is decreased
 443     // when the items index is lower, so that we insert at the right spot after
 444     // removal
 445     BList removedItems;
 446     int32 count = items.CountItems();
 447     for ( int32 i = 0; i < count; i++ )
 448     {
 449         BListItem* item = (BListItem*)items.ItemAt( i );
 450         int32 removeIndex = IndexOf( item );
 451         if ( RemoveItem( item ) && removedItems.AddItem( (void*)item ) )
 452         {
 453             if ( removeIndex < index )
 454                 index--;
 455         }
 456         // else ??? -> blow up
 457     }
 458     for ( int32 i = 0; BListItem* item = (BListItem*)removedItems.ItemAt( i ); i++ )
 459     {
 460         if ( AddItem( item, index ) )
 461         {
 462             // after we're done, the newly inserted items will be selected
 463             Select( index, true );
 464             // next items will be inserted after this one
 465             index++;
 466         }
 467         else
 468             delete item;
 469     }
 470 }
 471
 472 /*****************************************************************************
 473  * DragSortableListView::CopyItems
 474  *****************************************************************************/
 475 void
 476 DragSortableListView::CopyItems( BList& items, int32 index )
 477 {
 478     DeselectAll();
 479     // by inserting the items after we copied all items first, we avoid
 480     // cloning an item we already inserted and messing everything up
 481     // in other words, don't touch the list before we know which items
 482     // need to be cloned
 483     BList clonedItems;
 484     int32 count = items.CountItems();
 485     for ( int32 i = 0; i < count; i++ )
 486     {
 487         BListItem* item = CloneItem( IndexOf( (BListItem*)items.ItemAt( i ) ) );
 488         if ( item && !clonedItems.AddItem( (void*)item ) )
 489             delete item;
 490     }
 491     for ( int32 i = 0; BListItem* item = (BListItem*)clonedItems.ItemAt( i ); i++ )
 492     {
 493         if ( AddItem( item, index ) )
 494         {
 495             // after we're done, the newly inserted items will be selected
 496             Select( index, true );
 497             // next items will be inserted after this one
 498             index++;
 499         }
 500         else
 501             delete item;
 502     }
 503 }
 504
 505 /*****************************************************************************
 506  * DragSortableListView::RemoveItemList
 507  *****************************************************************************/
 508 void
 509 DragSortableListView::RemoveItemList( BList& items )
 510 {
 511     int32 count = items.CountItems();
 512     for ( int32 i = 0; i < count; i++ )
 513     {
 514         BListItem* item = (BListItem*)items.ItemAt( i );
 515         if ( RemoveItem( item ) )
 516             delete item;
 517     }
 518 }
 519
 520 /*****************************************************************************
 521  * DragSortableListView::RemoveSelected
 522  *****************************************************************************/
 523 void
 524 DragSortableListView::RemoveSelected()
 525 {
 526     BList items;
 527     for ( int32 i = 0; BListItem* item = ItemAt( CurrentSelection( i ) ); i++ )
 528         items.AddItem( (void*)item );
 529     RemoveItemList( items );
 530 }
 531
 532 /*****************************************************************************
 533  * DragSortableListView::CountSelectedItems
 534  *****************************************************************************/
 535 int32
 536 DragSortableListView::CountSelectedItems() const
 537 {
 538     int32 count = 0;
 539     while ( CurrentSelection( count ) >= 0 )
 540         count++;
 541     return count;
 542 }
 543
 544 /*****************************************************************************
 545  * DragSortableListView::_SetDropAnticipationRect
 546  *****************************************************************************/
 547 void
 548 DragSortableListView::_SetDropAnticipationRect( BRect r )
 549 {
 550     if ( fDropRect != r )
 551     {
 552         if ( fDropRect.IsValid() )
 553             Invalidate( fDropRect );
 554         fDropRect = r;
 555         if ( fDropRect.IsValid() )
 556             Invalidate( fDropRect );
 557     }
 558 }
 559
 560 /*****************************************************************************
 561  * DragSortableListView::_SetDropAnticipationRect
 562  *****************************************************************************/
 563 void
 564 DragSortableListView::_SetDropIndex( int32 index )
 565 {
 566     if ( fDropIndex != index )
 567     {
 568         fDropIndex = index;
 569         if ( fDropIndex == -1 )
 570             _SetDropAnticipationRect( BRect( 0.0, 0.0, -1.0, -1.0 ) );
 571         else
 572         {
 573             int32 count = CountItems();
 574             if ( fDropIndex == count )
 575             {
 576                 BRect r;
 577                 if ( BListItem* item = ItemAt( count - 1 ) )
 578                 {
 579                     r = ItemFrame( count - 1 );
 580                     r.top = r.bottom + 1.0;
 581                     r.bottom = r.top + 1.0;
 582                 }
 583                 else
 584                 {
 585                     r = Bounds();
 586                     r.bottom--;    // compensate for scrollbars moved slightly out of window
 587                 }
 588                 _SetDropAnticipationRect( r );
 589             }
 590             else
 591             {
 592                 BRect r = ItemFrame( fDropIndex );
 593                 r.bottom = r.top + 1.0;
 594                 _SetDropAnticipationRect( r );
 595             }
 596         }
 597     }
 598 }
 599
 600 /*****************************************************************************
 601  * DragSortableListView::_RemoveDropAnticipationRect
 602  *****************************************************************************/
 603 void
 604 DragSortableListView::_RemoveDropAnticipationRect()
 605 {
 606     _SetDropAnticipationRect( BRect( 0.0, 0.0, -1.0, -1.0 ) );
 607     _SetDropIndex( -1 );
 608 }
 609
 610
 611 /*****************************************************************************
 612  * PlaylistView class
 613  *****************************************************************************/
 614 PlaylistView::PlaylistView( intf_thread_t * _p_intf,
 615                             BRect frame, InterfaceWindow* mainWindow,
 616                             BMessage* selectionChangeMessage )
 617     : DragSortableListView( frame, "playlist listview",
 618                             B_MULTIPLE_SELECTION_LIST, B_FOLLOW_ALL_SIDES,
 619                             B_WILL_DRAW | B_NAVIGABLE | B_PULSE_NEEDED
 620                             | B_FRAME_EVENTS | B_FULL_UPDATE_ON_RESIZE ),
 621       p_intf( _p_intf ),
 622       fCurrentIndex( -1 ),
 623       fPlaying( false ),
 624       fDisplayMode( DISPLAY_PATH ),
 625       fMainWindow( mainWindow ),
 626       fSelectionChangeMessage( selectionChangeMessage ),
 627       fLastClickedItem( NULL )
 628 {
 629 }
 630
 631 PlaylistView::~PlaylistView()
 632 {
 633     delete fSelectionChangeMessage;
 634 }
 635
 636 /*****************************************************************************
 637  * PlaylistView::AttachedToWindow
 638  *****************************************************************************/
 639 void
 640 PlaylistView::AttachedToWindow()
 641 {
 642     // get pulse message every two frames
 643     Window()->SetPulseRate( 80000 );
 644 }
 645
 646 /*****************************************************************************
 647  * PlaylistView::MessageReceived
 648  *****************************************************************************/
 649 void
 650 PlaylistView::MessageReceived( BMessage* message)
 651 {
 652     switch ( message->what )
 653     {
 654         case MSG_SOUNDPLAY:
 655         case B_SIMPLE_DATA:
 656             if ( message->HasPointer( "list" ) )
 657             {
 658                 // message comes from ourself
 659                 DragSortableListView::MessageReceived( message );
 660             }
 661             else
 662             {
 663                 // message comes from another app (for example Tracker)
 664                 message->AddInt32( "drop index", fDropIndex );
 665                 fMainWindow->PostMessage( message, fMainWindow );
 666             }
 667             break;
 668         default:
 669             DragSortableListView::MessageReceived( message );
 670             break;
 671     }
 672 }
 673
 674 /*****************************************************************************
 675  * PlaylistView::MouseDown
 676  *****************************************************************************/
 677 void
 678 PlaylistView::MouseDown( BPoint where )
 679 {
 680     int32 clicks = 1;
 681     Window()->CurrentMessage()->FindInt32( "clicks", &clicks );
 682     bool handled = false;
 683     for ( int32 i = 0; PlaylistItem* item = (PlaylistItem*)ItemAt( i ); i++ )
 684     {
 685         BRect r = ItemFrame( i );
 686         if ( r.Contains( where ) )
 687         {
 688             if ( clicks == 2 )
 689             {
 690                 // only do something if user clicked the same item twice
 691                 if ( fLastClickedItem == item )
 692                 {
 693                     playlist_t * p_playlist = pl_Hold( p_intf );
 694                     if( p_playlist )
 695                     {
 696                         playlist_Goto( p_playlist, i );
 697                         pl_Release( p_intf );
 698                     }
 699                     handled = true;
 700                 }
 701             }
 702             else
 703             {
 704                 // remember last clicked item
 705                 fLastClickedItem = item;
 706                 if ( i == fCurrentIndex )
 707                 {
 708                     r.right = r.left + TEXT_OFFSET;
 709                     if ( r.Contains ( where ) )
 710                     {
 711                         fMainWindow->PostMessage( PAUSE_PLAYBACK );
 712                         InvalidateItem( i );
 713                         handled = true;
 714                     }
 715                 }
 716             }
 717             break;
 718         }
 719     }
 720     if ( !handled )
 721         DragSortableListView::MouseDown(where);
 722 }
 723
 724 /*****************************************************************************
 725  * PlaylistView::KeyDown
 726  *****************************************************************************/
 727 void
 728 PlaylistView::KeyDown( const char* bytes, int32 numBytes )
 729 {
 730     if ( numBytes < 1 )
 731         return;
 732
 733     if ( ( bytes[0] == B_BACKSPACE ) || ( bytes[0] == B_DELETE ) )
 734     {
 735         RemoveSelected();
 736     }
 737     DragSortableListView::KeyDown( bytes, numBytes );
 738 }
 739
 740 /*****************************************************************************
 741  * PlaylistView::Pulse
 742  *****************************************************************************/
 743 void
 744 PlaylistView::Pulse()
 745 {
 746     if ( fMainWindow->IsStopped() )
 747         SetPlaying( false );
 748 }
 749
 750 /*****************************************************************************
 751  * PlaylistView::SelectionChanged
 752  *****************************************************************************/
 753 void
 754 PlaylistView::SelectionChanged()
 755 {
 756     BLooper* looper = Looper();
 757     if ( fSelectionChangeMessage && looper )
 758     {
 759         BMessage message( *fSelectionChangeMessage );
 760         looper->PostMessage( &message );
 761     }
 762 }
 763
 764
 765 /*****************************************************************************
 766  * PlaylistView::MoveItems
 767  *****************************************************************************/
 768 void
 769 PlaylistView::MoveItems( BList& items, int32 index )
 770 {
 771 #if 0
 772     DeselectAll();
 773     // we remove the items while we look at them, the insertion index is decreased
 774     // when the items index is lower, so that we insert at the right spot after
 775     // removal
 776     if ( fVlcWrapper->PlaylistLock() )
 777     {
 778         BList removedItems;
 779         BList removeItems;
 780         int32 count = items.CountItems();
 781         int32 indexOriginal = index;
 782         // remember currently playing item
 783         BListItem* playingItem = _PlayingItem();
 784         // collect item pointers for removal by index
 785         for ( int32 i = 0; i < count; i++ )
 786         {
 787             int32 removeIndex = IndexOf( (BListItem*)items.ItemAt( i ) );
 788             void* item = fVlcWrapper->PlaylistItemAt( removeIndex );
 789             if ( item && removeItems.AddItem( item ) )
 790             {
 791                 if ( removeIndex < index )
 792                     index--;
 793             }
 794             // else ??? -> blow up
 795         }
 796         // actually remove items using pointers
 797         for ( int32 i = 0; i < count; i++ )
 798         {
 799             void* item = fVlcWrapper->PlaylistRemoveItem( removeItems.ItemAt( i ) );
 800             if ( item && !removedItems.AddItem( item ) )
 801                 free( item );
 802         }
 803         // add items at index
 804         for ( int32 i = 0; void* item = removedItems.ItemAt( i ); i++ )
 805         {
 806             if ( fVlcWrapper->PlaylistAddItem( item, index ) )
 807                 // next items will be inserted after this one
 808                 index++;
 809             else
 810                 free( item );
 811         }
 812         // update GUI
 813         DragSortableListView::MoveItems( items, indexOriginal );
 814         // restore currently playing item
 815         _SetPlayingIndex( playingItem );
 816         // update interface (in case it isn't playing,
 817         // there is a chance that it needs to update)
 818         fMainWindow->PostMessage( MSG_UPDATE );
 819         fVlcWrapper->PlaylistUnlock();
 820     }
 821 #endif
 822 }
 823
 824 /*****************************************************************************
 825  * PlaylistView::CopyItems
 826  *****************************************************************************/
 827 void
 828 PlaylistView::CopyItems( BList& items, int32 toIndex )
 829 {
 830 #if 0
 831     DeselectAll();
 832     // we remove the items while we look at them, the insertion index is decreased
 833     // when the items index is lower, so that we insert at the right spot after
 834     // removal
 835     if ( fVlcWrapper->PlaylistLock() )
 836     {
 837         BList clonedItems;
 838         int32 count = items.CountItems();
 839         // remember currently playing item
 840         BListItem* playingItem = _PlayingItem();
 841         // collect cloned item pointers
 842         for ( int32 i = 0; i < count; i++ )
 843         {
 844             int32 index = IndexOf( (BListItem*)items.ItemAt( i ) );
 845             void* item = fVlcWrapper->PlaylistItemAt( index );
 846             void* cloned = fVlcWrapper->PlaylistCloneItem( item );
 847             if ( cloned && !clonedItems.AddItem( cloned ) )
 848                 free( cloned );
 849
 850         }
 851         // add cloned items at index
 852         int32 index = toIndex;
 853         for ( int32 i = 0; void* item = clonedItems.ItemAt( i ); i++ )
 854         {
 855             if ( fVlcWrapper->PlaylistAddItem( item, index ) )
 856                 // next items will be inserted after this one
 857                 index++;
 858             else
 859                 free( item );
 860         }
 861         // update GUI
 862         DragSortableListView::CopyItems( items, toIndex );
 863         // restore currently playing item
 864         _SetPlayingIndex( playingItem );
 865         // update interface (in case it isn't playing,
 866         // there is a chance that it needs to update)
 867         fMainWindow->PostMessage( MSG_UPDATE );
 868         fVlcWrapper->PlaylistUnlock();
 869     }
 870 #endif
 871 }
 872
 873 /*****************************************************************************
 874  * PlaylistView::RemoveItemList
 875  *****************************************************************************/
 876 void
 877 PlaylistView::RemoveItemList( BList& items )
 878 {
 879 #if 0
 880     if ( fVlcWrapper->PlaylistLock() )
 881     {
 882         // remember currently playing item
 883         BListItem* playingItem = _PlayingItem();
 884         // collect item pointers for removal
 885         BList removeItems;
 886         int32 count = items.CountItems();
 887         for ( int32 i = 0; i < count; i++ )
 888         {
 889             int32 index = IndexOf( (BListItem*)items.ItemAt( i ) );
 890             void* item = fVlcWrapper->PlaylistItemAt( index );
 891             if ( item && !removeItems.AddItem( item ) )
 892                 free( item );
 893         }
 894         // remove items from playlist
 895         count = removeItems.CountItems();
 896         for ( int32 i = 0; void* item = removeItems.ItemAt( i ); i++ )
 897         {
 898             fVlcWrapper->PlaylistRemoveItem( item );
 899         }
 900         // update GUI
 901         DragSortableListView::RemoveItemList( items );
 902         // restore currently playing item
 903         _SetPlayingIndex( playingItem );
 904         // update interface (in case it isn't playing,
 905         // there is a chance that it needs to update)
 906         fMainWindow->PostMessage( MSG_UPDATE );
 907         fVlcWrapper->PlaylistUnlock();
 908     }
 909 #endif
 910 }
 911
 912 /*****************************************************************************
 913  * PlaylistView::CloneItem
 914  *****************************************************************************/
 915 BListItem*
 916 PlaylistView::CloneItem( int32 atIndex ) const
 917 {
 918     BListItem* clone = NULL;
 919     if ( PlaylistItem* item = dynamic_cast<PlaylistItem*>( ItemAt( atIndex ) ) )
 920         clone = new PlaylistItem( item->Text() );
 921     return clone;
 922 }
 923
 924 /*****************************************************************************
 925  * PlaylistView::DrawListItem
 926  *****************************************************************************/
 927 void
 928 PlaylistView::DrawListItem( BView* owner, int32 index, BRect frame ) const
 929 {
 930     if ( PlaylistItem* item = dynamic_cast<PlaylistItem*>( ItemAt( index ) ) )
 931         item->Draw( owner,  frame, index % 2,
 932                     fDisplayMode, index == fCurrentIndex, fPlaying );
 933 }
 934
 935 /*****************************************************************************
 936  * PlaylistView::MakeDragMessage
 937  *****************************************************************************/
 938 void
 939 PlaylistView::MakeDragMessage( BMessage* message ) const
 940 {
 941     if ( message )
 942     {
 943         message->AddPointer( "list", (void*)this );
 944         int32 index;
 945         for ( int32 i = 0; ( index = CurrentSelection( i ) ) >= 0; i++ )
 946         {
 947             message->AddInt32( "index", index );
 948             // add refs to message (inter application communication)
 949             if ( BStringItem* item = dynamic_cast<BStringItem*>( ItemAt( index ) ) )
 950             {
 951                 entry_ref ref;
 952                 if ( get_ref_for_path( item->Text(), &ref ) == B_OK )
 953                     message->AddRef( "refs", &ref );
 954             }
 955         }
 956     }
 957 }
 958
 959 /*****************************************************************************
 960  * PlaylistView::SetCurrent
 961  *****************************************************************************/
 962 void
 963 PlaylistView::SetCurrent( int32 index )
 964 {
 965     if ( fCurrentIndex != index )
 966     {
 967         InvalidateItem( fCurrentIndex );
 968         fCurrentIndex = index;
 969         InvalidateItem( fCurrentIndex );
 970     }
 971 }
 972
 973 /*****************************************************************************
 974  * PlaylistView::SetPlaying
 975  *****************************************************************************/
 976 void
 977 PlaylistView::SetPlaying( bool playing )
 978 {
 979     if ( fPlaying != playing )
 980     {
 981         fPlaying = playing;
 982         InvalidateItem( fCurrentIndex );
 983     }
 984 }
 985
 986 /*****************************************************************************
 987  * PlaylistView::SetPlaying
 988  *****************************************************************************/
 989 void
 990 PlaylistView::RebuildList()
 991 {
 992     playlist_t * p_playlist = pl_Hold( p_intf );
 993
 994     // remove all items
 995     BListItem * item;
 996     int32 count = CountItems();
 997     while( ( item = RemoveItem( --count ) ) )
 998         delete item;
 999
1000     // rebuild listview from VLC's playlist
1001     PL_LOCK;
1002     FOREACH_ARRAY( playlist_item_t *p_item, p_playlist->items )
1003         AddItem( new PlaylistItem( p_item->p_input->psz_name ) );
1004     FOREACH_END();
1005     PL_UNLOCK;
1006
1007     vlc_object_release( p_playlist );
1008 }
1009
1010
1011 /*****************************************************************************
1012  * PlaylistView::SortReverse
1013  *****************************************************************************/
1014 void
1015 PlaylistView::SortReverse()
1016 {
1017 #if 0
1018     if ( int32 count = CountSelectedItems() )
1019     {
1020         int32 last  = count - 1;
1021         // remember currently playing item
1022         BListItem* playingItem = _PlayingItem();
1023         for ( int32 first = 0; first < count / 2; first++, last-- )
1024         {
1025             int32 index1 = CurrentSelection( first);
1026             int32 index2 = CurrentSelection( last);
1027             if ( SwapItems( index1, index2 ) )
1028             {
1029                 // index2 > index1, so the list won't get messed up
1030                 // if we remove the items in that order
1031                 // TODO: Error checking + handling!
1032                 void* item2 = fVlcWrapper->PlaylistRemoveItem( index2 );
1033                 void* item1 = fVlcWrapper->PlaylistRemoveItem( index1 );
1034                 fVlcWrapper->PlaylistAddItem( item2, index1 );
1035                 fVlcWrapper->PlaylistAddItem( item1, index2 );
1036             }
1037         }
1038         // restore currently playing item
1039         _SetPlayingIndex( playingItem );
1040     }
1041 #endif
1042 }
1043
1044 /*****************************************************************************
1045  * PlaylistView::SortByPath
1046  *****************************************************************************/
1047 void
1048 PlaylistView::SortByPath()
1049 {
1050
1051 }
1052
1053 /*****************************************************************************
1054  * PlaylistView::SortByName
1055  *****************************************************************************/
1056 void
1057 PlaylistView::SortByName()
1058 {
1059 }
1060
1061 /*****************************************************************************
1062  * PlaylistView::SetDisplayMode
1063  *****************************************************************************/
1064 void
1065 PlaylistView::SetDisplayMode( uint32 mode )
1066 {
1067     if ( mode != fDisplayMode )
1068     {
1069         fDisplayMode = mode;
1070         Invalidate();
1071     }
1072 }
1073
1074 /*****************************************************************************
1075  * PlaylistView::_PlayingItem
1076  *****************************************************************************/
1077 BListItem*
1078 PlaylistView::_PlayingItem() const
1079 {
1080     playlist_t * p_playlist = pl_Hold( p_intf );
1081
1082     if( !p_playlist )
1083     {
1084         return NULL;
1085     }
1086
1087     BListItem * item = ItemAt( p_playlist->i_index );
1088     pl_Release( p_intf );
1089     return item;
1090 }
1091
1092 /*****************************************************************************
1093  * PlaylistView::_SetPlayingIndex
1094  *****************************************************************************/
1095 void
1096 PlaylistView::_SetPlayingIndex( BListItem* playingItem )
1097 {
1098     for ( int32 i = 0; BListItem* item = ItemAt( i ); i++ )
1099     {
1100         if ( item == playingItem )
1101         {
1102             playlist_t * p_playlist = pl_Hold( p_intf );
1103
1104             if( !p_playlist )
1105             {
1106                 return;
1107             }
1108
1109             playlist_Goto( p_playlist, i );
1110             SetCurrent( i );
1111
1112             pl_Release( p_intf );
1113             break;
1114         }
1115     }
1116 }
1117
1118 #endif