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

   1 /*****************************************************************************
   2  * MediaControlView.cpp: beos interface
   3  *****************************************************************************
   4  * Copyright (C) 1999, 2000, 2001 VideoLAN
   5  * $Id: MediaControlView.cpp,v 1.20 2003/09/07 22:53:09 fenrir Exp $
   6  *
   7  * Authors: Tony Castley <tony@castley.net>
   8  *          Stephan Aßmus <stippi@yellowbites.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /* System headers */
  26 #include <InterfaceKit.h>
  27 #include <AppKit.h>
  28 #include <String.h>
  29 #include <string.h>
  30
  31 /* VLC headers */
  32 #include <vlc/vlc.h>
  33 #include <vlc/intf.h>
  34
  35 /* BeOS interface headers */
  36 #include "VlcWrapper.h"
  37 #include "Bitmaps.h"
  38 #include "DrawingTidbits.h"
  39 #include "InterfaceWindow.h"
  40 #include "MsgVals.h"
  41 #include "TransportButton.h"
  42 #include "ListViews.h"
  43 #include "MediaControlView.h"
  44
  45 #define BORDER_INSET 6.0
  46 #define MIN_SPACE 4.0
  47 #define SPEAKER_SLIDER_DIST 6.0
  48 #define VOLUME_MIN_WIDTH 70.0
  49 #define DIM_LEVEL 0.4
  50 #define VOLUME_SLIDER_LAYOUT_WEIGHT 2.0
  51 #define SEEK_SLIDER_KNOB_WIDTH 8.0
  52
  53 // slider colors are hardcoded here, because that's just
  54 // what they currently are within those bitmaps
  55 const rgb_color kGreen = (rgb_color){ 152, 203, 152, 255 };
  56 const rgb_color kGreenShadow = (rgb_color){ 102, 152, 102, 255 };
  57 const rgb_color kBackground = (rgb_color){ 216, 216, 216, 255 };
  58 const rgb_color kSeekGreen = (rgb_color){ 171, 221, 161, 255 };
  59 const rgb_color kSeekGreenShadow = (rgb_color){ 144, 186, 136, 255 };
  60 const rgb_color kSeekRed = (rgb_color){ 255, 0, 0, 255 };
  61 const rgb_color kSeekRedLight = (rgb_color){ 255, 152, 152, 255 };
  62 const rgb_color kSeekRedShadow = (rgb_color){ 178, 0, 0, 255 };
  63
  64 #define DISABLED_SEEK_MESSAGE _("Drop files to play")
  65
  66 enum
  67 {
  68         MSG_REWIND                              = 'rwnd',
  69         MSG_FORWARD                             = 'frwd',
  70         MSG_SKIP_BACKWARDS              = 'skpb',
  71         MSG_SKIP_FORWARD                = 'skpf',
  72 };
  73
  74 // constructor
  75 MediaControlView::MediaControlView(BRect frame, intf_thread_t *p_interface)
  76         : BBox(frame, NULL, B_FOLLOW_NONE, B_WILL_DRAW | B_FRAME_EVENTS | B_PULSE_NEEDED,
  77                    B_PLAIN_BORDER),
  78       fScrubSem(B_ERROR),
  79       fCurrentRate(DEFAULT_RATE),
  80       fCurrentStatus(UNDEF_S),
  81       fBottomControlHeight(0.0),
  82       fIsEnabled( true )
  83 {
  84     p_intf = p_interface;
  85
  86         BRect frame(0.0, 0.0, 10.0, 10.0);
  87
  88     // Seek Slider
  89     fSeekSlider = new SeekSlider( frame, "seek slider", this,
  90                                   0, SEEKSLIDER_RANGE );
  91     fSeekSlider->SetValue(0);
  92     fSeekSlider->ResizeToPreferred();
  93     AddChild( fSeekSlider );
  94
  95     // Buttons
  96     // Skip Back
  97     frame.SetRightBottom(kSkipButtonSize);
  98         fBottomControlHeight = kRewindBitmapHeight - 1.0;
  99     fSkipBack = new TransportButton(frame, B_EMPTY_STRING,
 100                                     kSkipBackBitmapBits,
 101                                     kPressedSkipBackBitmapBits,
 102                                     kDisabledSkipBackBitmapBits,
 103                                     new BMessage(MSG_SKIP_BACKWARDS));
 104     AddChild( fSkipBack );
 105
 106         // Play Pause
 107     frame.SetRightBottom(kPlayButtonSize);
 108         if (fBottomControlHeight < kPlayPauseBitmapHeight - 1.0)
 109                 fBottomControlHeight = kPlayPauseBitmapHeight - 1.0;
 110     fPlayPause = new PlayPauseButton(frame, B_EMPTY_STRING,
 111                                      kPlayButtonBitmapBits,
 112                                      kPressedPlayButtonBitmapBits,
 113                                      kDisabledPlayButtonBitmapBits,
 114                                      kPlayingPlayButtonBitmapBits,
 115                                      kPressedPlayingPlayButtonBitmapBits,
 116                                      kPausedPlayButtonBitmapBits,
 117                                      kPressedPausedPlayButtonBitmapBits,
 118                                      new BMessage(START_PLAYBACK));
 119
 120     AddChild( fPlayPause );
 121
 122     // Skip Foward
 123     frame.SetRightBottom(kSkipButtonSize);
 124     fSkipForward = new TransportButton(frame, B_EMPTY_STRING,
 125                                        kSkipForwardBitmapBits,
 126                                        kPressedSkipForwardBitmapBits,
 127                                        kDisabledSkipForwardBitmapBits,
 128                                        new BMessage(MSG_SKIP_FORWARD));
 129     AddChild( fSkipForward );
 130
 131         // Forward
 132         fForward = new TransportButton(frame, B_EMPTY_STRING,
 133                                                                    kForwardBitmapBits,
 134                                                                    kPressedForwardBitmapBits,
 135                                                                    kDisabledForwardBitmapBits,
 136                                                                    new BMessage(MSG_FORWARD));
 137 //      AddChild( fForward );
 138
 139         // Rewind
 140         fRewind = new TransportButton(frame, B_EMPTY_STRING,
 141                                                                   kRewindBitmapBits,
 142                                                                   kPressedRewindBitmapBits,
 143                                                                   kDisabledRewindBitmapBits,
 144                                                                   new BMessage(MSG_REWIND));
 145 //      AddChild( fRewind );
 146
 147     // Stop
 148     frame.SetRightBottom(kStopButtonSize);
 149         if (fBottomControlHeight < kStopBitmapHeight - 1.0)
 150                 fBottomControlHeight = kStopBitmapHeight - 1.0;
 151     fStop = new TransportButton(frame, B_EMPTY_STRING,
 152                                 kStopButtonBitmapBits,
 153                                 kPressedStopButtonBitmapBits,
 154                                 kDisabledStopButtonBitmapBits,
 155                                 new BMessage(STOP_PLAYBACK));
 156         AddChild( fStop );
 157
 158         // Mute
 159     frame.SetRightBottom(kSpeakerButtonSize);
 160         if (fBottomControlHeight < kSpeakerIconBitmapHeight - 1.0)
 161                 fBottomControlHeight = kSpeakerIconBitmapHeight - 1.0;
 162     fMute = new TransportButton(frame, B_EMPTY_STRING,
 163                                 kSpeakerIconBits,
 164                                 kPressedSpeakerIconBits,
 165                                 kSpeakerIconBits,
 166                                 new BMessage(VOLUME_MUTE));
 167
 168         AddChild( fMute );
 169
 170     // Volume Slider
 171         fVolumeSlider = new VolumeSlider(BRect(0.0, 0.0, VOLUME_MIN_WIDTH,
 172                                                                                    kVolumeSliderBitmapHeight - 1.0),
 173                                                                          "volume slider", 1, AOUT_VOLUME_MAX,
 174                                                                          new BMessage(VOLUME_CHG));
 175         fVolumeSlider->SetValue( config_GetInt( p_intf, "volume" ) );
 176         AddChild( fVolumeSlider );
 177
 178         // Position Info View
 179     fPositionInfo = new PositionInfoView(BRect(0.0, 0.0, 10.0, 10.0), "led",
 180                                          p_intf);
 181     fPositionInfo->ResizeToPreferred();
 182     AddChild( fPositionInfo );
 183 }
 184
 185 // destructor
 186 MediaControlView::~MediaControlView()
 187 {
 188 }
 189
 190 // AttachedToWindow
 191 void
 192 MediaControlView::AttachedToWindow()
 193 {
 194         // we are now a valid BHandler
 195         fRewind->SetTarget(this);
 196         fForward->SetTarget(this);
 197         fSkipBack->SetTarget(this);
 198         fSkipForward->SetTarget(this);
 199         fVolumeSlider->SetTarget(Window());
 200
 201         BRect r(_MinFrame());
 202         if (BMenuBar* menuBar = Window()->KeyMenuBar())
 203                 r.bottom += menuBar->Bounds().Height();
 204
 205         Window()->SetSizeLimits(r.Width(), r.Width() * 1.8, r.Height(), r.Height() * 1.3);
 206         if (!Window()->Bounds().Contains(r))
 207                 Window()->ResizeTo(r.Width(), r.Height());
 208         else
 209                 FrameResized(Bounds().Width(), Bounds().Height());
 210
 211         // get pulse message every two frames
 212         Window()->SetPulseRate(80000);
 213 }
 214
 215 // FrameResized
 216 void
 217 MediaControlView::FrameResized(float width, float height)
 218 {
 219         BRect r(Bounds());
 220         // make sure we don't leave dirty pixels
 221         // (B_FULL_UPDATE_ON_RESIZE == annoying flicker -> this is smarter)
 222         if (fOldBounds.Width() < r.Width())
 223                 Invalidate(BRect(fOldBounds.right, fOldBounds.top + 1.0,
 224                                                  fOldBounds.right, fOldBounds.bottom - 1.0));
 225         else
 226                 Invalidate(BRect(r.right, r.top + 1.0,
 227                                                  r.right, r.bottom - 1.0));
 228         if (fOldBounds.Height() < r.Height())
 229                 Invalidate(BRect(fOldBounds.left + 1.0, fOldBounds.bottom,
 230                                                  fOldBounds.right - 1.0, fOldBounds.bottom));
 231         else
 232                 Invalidate(BRect(r.left + 1.0, r.bottom,
 233                                                  r.right - 1.0, r.bottom));
 234         // remember for next time
 235         fOldBounds = r;
 236         // layout controls
 237         r.InsetBy(BORDER_INSET, BORDER_INSET);
 238         _LayoutControls(r);
 239 }
 240
 241 // GetPreferredSize
 242 void
 243 MediaControlView::GetPreferredSize(float* width, float* height)
 244 {
 245         if (width && height)
 246         {
 247                 BRect r(_MinFrame());
 248                 *width = r.Width();
 249                 *height = r.Height();
 250         }
 251 }
 252
 253 // MessageReceived
 254 void
 255 MediaControlView::MessageReceived(BMessage* message)
 256 {
 257         switch (message->what)
 258         {
 259                 case MSG_REWIND:
 260                         break;
 261                 case MSG_FORWARD:
 262                         break;
 263                 case MSG_SKIP_BACKWARDS:
 264                         Window()->PostMessage(NAVIGATE_PREV);
 265                         break;
 266                 case MSG_SKIP_FORWARD:
 267                         Window()->PostMessage(NAVIGATE_NEXT);
 268                         break;
 269                 default:
 270                     BBox::MessageReceived(message);
 271                     break;
 272         }
 273 }
 274
 275 // Pulse
 276 void
 277 MediaControlView::Pulse()
 278 {
 279         InterfaceWindow* window = dynamic_cast<InterfaceWindow*>(Window());
 280         if (window && window->IsStopped())
 281                         fPlayPause->SetStopped();
 282 }
 283
 284 // SetProgress
 285 void
 286 MediaControlView::SetProgress( float position )
 287 {
 288         fSeekSlider->SetPosition( position );
 289 }
 290
 291 // SetStatus
 292 void
 293 MediaControlView::SetStatus(int status, int rate)
 294 {
 295         // we need to set the button status periodically
 296         // (even if it is the same) to get a blinking button
 297         fCurrentStatus = status;
 298     switch( status )
 299     {
 300         case PLAYING_S:
 301         case FORWARD_S:
 302         case BACKWARD_S:
 303             fPlayPause->SetPlaying();
 304             break;
 305         case PAUSE_S:
 306             fPlayPause->SetPaused();
 307             break;
 308         case UNDEF_S:
 309         default:
 310             fPlayPause->SetStopped();
 311             break;
 312     }
 313         if (rate != fCurrentRate)
 314         {
 315                 fCurrentRate = rate;
 316             if ( rate < DEFAULT_RATE )
 317             {
 318                 // TODO: ...
 319             }
 320         }
 321 }
 322
 323 // SetEnabled
 324 void
 325 MediaControlView::SetEnabled(bool enabled)
 326 {
 327     if( ( enabled && fIsEnabled ) ||
 328         ( !enabled && !fIsEnabled ) )
 329     {
 330         /* do not redraw if it is not necessary */
 331         return;
 332     }
 333
 334         if( LockLooper() )
 335         {
 336                 fSkipBack->SetEnabled( enabled );
 337                 fPlayPause->SetEnabled( enabled );
 338                 fSkipForward->SetEnabled( enabled );
 339                 fStop->SetEnabled( enabled );
 340                 fMute->SetEnabled( enabled );
 341                 fVolumeSlider->SetEnabled( enabled );
 342                 fSeekSlider->SetEnabled( enabled );
 343                 fRewind->SetEnabled( enabled );
 344                 fForward->SetEnabled( enabled );
 345                 UnlockLooper();
 346                 fIsEnabled = enabled;
 347         }
 348 }
 349
 350 // SetAudioEnabled
 351 void
 352 MediaControlView::SetAudioEnabled(bool enabled)
 353 {
 354         fMute->SetEnabled(enabled);
 355         fVolumeSlider->SetEnabled(enabled);
 356 }
 357
 358 // GetSeekTo
 359 uint32
 360 MediaControlView::GetSeekTo() const
 361 {
 362         return fSeekSlider->Value();
 363 }
 364
 365 // GetVolume
 366 uint32
 367 MediaControlView::GetVolume() const
 368 {
 369         return fVolumeSlider->Value();
 370 }
 371
 372 // SetSkippable
 373 void
 374 MediaControlView::SetSkippable(bool backward, bool forward)
 375 {
 376         fSkipBack->SetEnabled(backward);
 377         fSkipForward->SetEnabled(forward);
 378 }
 379
 380 // SetMuted
 381 void
 382 MediaControlView::SetMuted(bool mute)
 383 {
 384         fVolumeSlider->SetMuted(mute);
 385 }
 386
 387 // _LayoutControls
 388 void
 389 MediaControlView::_LayoutControls(BRect frame) const
 390 {
 391         // seek slider
 392         BRect r(frame);
 393         // calculate absolutly minimal width
 394         float minWidth = fSkipBack->Bounds().Width();
 395 //      minWidth += fRewind->Bounds().Width();
 396         minWidth += fStop->Bounds().Width();
 397         minWidth += fPlayPause->Bounds().Width();
 398 //      minWidth += fForward->Bounds().Width();
 399         minWidth += fSkipForward->Bounds().Width();
 400         minWidth += fMute->Bounds().Width();
 401         minWidth += VOLUME_MIN_WIDTH;
 402
 403         // layout time slider and info view
 404     float width, height;
 405     fPositionInfo->GetBigPreferredSize( &width, &height );
 406     float ratio = width / height;
 407     width = r.Height() * ratio;
 408     if (frame.Width() - minWidth - MIN_SPACE >= width
 409               && frame.Height() >= height)
 410     {
 411         r.right = r.left + width;
 412         fPositionInfo->SetMode(PositionInfoView::MODE_BIG);
 413         _LayoutControl(fPositionInfo, r, true, true);
 414         frame.left = r.right + MIN_SPACE;
 415         r.left = frame.left;
 416         r.right = frame.right;
 417     //    r.bottom = r.top + r.Height() / 2.0 - MIN_SPACE / 2.0;
 418         r.bottom = r.top + fSeekSlider->Bounds().Height();
 419         _LayoutControl(fSeekSlider, r, true);
 420     }
 421     else
 422     {
 423         fPositionInfo->GetPreferredSize( &width, &height );
 424         fPositionInfo->SetMode(PositionInfoView::MODE_SMALL);
 425         fPositionInfo->ResizeTo(width, height);
 426         r.bottom = r.top + r.Height() / 2.0 - MIN_SPACE / 2.0;
 427         r.right = r.left + fPositionInfo->Bounds().Width();
 428         _LayoutControl(fPositionInfo, r, true );
 429         r.left = r.right + MIN_SPACE;
 430         r.right = frame.right;
 431         _LayoutControl(fSeekSlider, r, true);
 432     }
 433         float currentWidth = frame.Width();
 434         float space = (currentWidth - minWidth) / 6.0;//8.0;
 435         // apply weighting
 436         space = MIN_SPACE + (space - MIN_SPACE) / VOLUME_SLIDER_LAYOUT_WEIGHT;
 437         // layout controls with "space" inbetween
 438         r.left = frame.left;
 439         r.top = r.bottom + MIN_SPACE + 1.0;
 440         r.bottom = frame.bottom;
 441         // skip back
 442         r.right = r.left + fSkipBack->Bounds().Width();
 443         _LayoutControl(fSkipBack, r);
 444         // rewind
 445 //      r.left = r.right + space;
 446 //      r.right = r.left + fRewind->Bounds().Width();
 447 //      _LayoutControl(fRewind, r);
 448         // stop
 449         r.left = r.right + space;
 450         r.right = r.left + fStop->Bounds().Width();
 451         _LayoutControl(fStop, r);
 452         // play/pause
 453         r.left = r.right + space;
 454         r.right = r.left + fPlayPause->Bounds().Width();
 455         _LayoutControl(fPlayPause, r);
 456         // forward
 457 //      r.left = r.right + space;
 458 //      r.right = r.left + fForward->Bounds().Width();
 459 //      _LayoutControl(fForward, r);
 460         // skip forward
 461         r.left = r.right + space;
 462         r.right = r.left + fSkipForward->Bounds().Width();
 463         _LayoutControl(fSkipForward, r);
 464         // speaker icon
 465         r.left = r.right + space + space;
 466         r.right = r.left + fMute->Bounds().Width();
 467         _LayoutControl(fMute, r);
 468         // volume slider
 469         r.left = r.right + SPEAKER_SLIDER_DIST; // keep speaker icon and volume slider attached
 470         r.right = frame.right;
 471         _LayoutControl(fVolumeSlider, r, true);
 472 }
 473
 474 // _MinFrame
 475 BRect
 476 MediaControlView::_MinFrame() const
 477 {
 478         // add up width of controls along bottom (seek slider will likely adopt)
 479         float minWidth = 2 * BORDER_INSET;
 480         minWidth += fSkipBack->Bounds().Width() + MIN_SPACE;
 481 //      minWidth += fRewind->Bounds().Width() + MIN_SPACE;
 482         minWidth += fStop->Bounds().Width() + MIN_SPACE;
 483         minWidth += fPlayPause->Bounds().Width() + MIN_SPACE;
 484 //      minWidth += fForward->Bounds().Width() + MIN_SPACE;
 485         minWidth += fSkipForward->Bounds().Width() + MIN_SPACE + MIN_SPACE;
 486         minWidth += fMute->Bounds().Width() + SPEAKER_SLIDER_DIST;
 487         minWidth += VOLUME_MIN_WIDTH;
 488
 489         // add up height of seek slider and heighest control on bottom
 490         float minHeight = 2 * BORDER_INSET;
 491         minHeight += fSeekSlider->Bounds().Height() + MIN_SPACE + MIN_SPACE / 2.0;
 492         minHeight += fBottomControlHeight;
 493         return BRect(0.0, 0.0, minWidth - 1.0, minHeight - 1.0);
 494 }
 495
 496 // _LayoutControl
 497 void
 498 MediaControlView::_LayoutControl(BView* view, BRect frame,
 499                                  bool resizeWidth, bool resizeHeight) const
 500 {
 501     if (!resizeHeight)
 502             // center vertically
 503             frame.top = (frame.top + frame.bottom) / 2.0 - view->Bounds().Height() / 2.0;
 504         if (!resizeWidth)
 505             //center horizontally
 506                 frame.left = (frame.left + frame.right) / 2.0 - view->Bounds().Width() / 2.0;
 507         view->MoveTo(frame.LeftTop());
 508         float width = resizeWidth ? frame.Width() : view->Bounds().Width();
 509         float height = resizeHeight ? frame.Height() : view->Bounds().Height();
 510     if (resizeWidth || resizeHeight)
 511         view->ResizeTo(width, height);
 512 }
 513
 514
 515
 516 /*****************************************************************************
 517  * SeekSlider
 518  *****************************************************************************/
 519 SeekSlider::SeekSlider(BRect frame, const char* name, MediaControlView *owner,
 520                                            int32 minValue, int32 maxValue)
 521         : BControl(frame, name, NULL, NULL, B_FOLLOW_NONE,
 522                            B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE),
 523           fOwner(owner),
 524           fTracking(false),
 525           fMinValue(minValue),
 526           fMaxValue(maxValue)
 527 {
 528         BFont font(be_plain_font);
 529         font.SetSize(9.0);
 530         SetFont(&font);
 531 }
 532
 533 SeekSlider::~SeekSlider()
 534 {
 535         _EndSeek();
 536 }
 537
 538 /*****************************************************************************
 539  * VolumeSlider::AttachedToWindow
 540  *****************************************************************************/
 541 void
 542 SeekSlider::AttachedToWindow()
 543 {
 544         BControl::AttachedToWindow();
 545         SetViewColor(B_TRANSPARENT_32_BIT);
 546 }
 547
 548 /*****************************************************************************
 549  * VolumeSlider::Draw
 550  *****************************************************************************/
 551 void
 552 SeekSlider::Draw(BRect updateRect)
 553 {
 554         BRect r(Bounds());
 555         float knobWidth2 = SEEK_SLIDER_KNOB_WIDTH / 2.0;
 556         float sliderStart = (r.left + knobWidth2);
 557         float sliderEnd = (r.right - knobWidth2);
 558         float knobPos = sliderStart
 559                                         + floorf((sliderEnd - sliderStart - 1.0) * (Value() - fMinValue)
 560                                         / (fMaxValue - fMinValue) + 0.5);
 561         // draw both sides (the original from Be doesn't seem
 562         // to make a difference for enabled/disabled state)
 563 //      DrawBitmapAsync(fLeftSideBits, r.LeftTop());
 564 //      DrawBitmapAsync(fRightSideBits, BPoint(sliderEnd + 1.0, r.top));
 565         // colors for the slider area between the two bitmaps
 566         rgb_color background = kBackground;//ui_color(B_PANEL_BACKGROUND_COLOR);
 567         rgb_color shadow = tint_color(background, B_DARKEN_2_TINT);
 568         rgb_color softShadow = tint_color(background, B_DARKEN_1_TINT);
 569         rgb_color darkShadow = tint_color(background, B_DARKEN_4_TINT);
 570         rgb_color midShadow = tint_color(background, B_DARKEN_3_TINT);
 571         rgb_color light = tint_color(background, B_LIGHTEN_MAX_TINT);
 572         rgb_color softLight = tint_color(background, B_LIGHTEN_1_TINT);
 573         rgb_color green = kSeekGreen;
 574         rgb_color greenShadow = kSeekGreenShadow;
 575         rgb_color black = kBlack;
 576         rgb_color dotGrey = midShadow;
 577         rgb_color dotGreen = greenShadow;
 578         // draw frame
 579         _StrokeFrame(r, softShadow, softShadow, softLight, softLight);
 580         r.InsetBy(1.0, 1.0);
 581         _StrokeFrame(r, black, black, light, light);
 582         if (IsEnabled())
 583         {
 584                 r.InsetBy(1.0, 1.0);
 585                 // inner shadow
 586                 _StrokeFrame(r, greenShadow, greenShadow, green, green);
 587                 r.top++;
 588                 r.left++;
 589                 _StrokeFrame(r, greenShadow, greenShadow, green, green);
 590                 // inside area
 591                 r.InsetBy(1.0, 1.0);
 592                 SetHighColor(green);
 593                 FillRect(r);
 594                 // dots
 595                 int32 dotCount = (int32)(r.Width() / 6.0);
 596                 BPoint dotPos;
 597                 dotPos.y = r.top + 2.0;
 598                 SetHighColor(dotGreen);
 599                 for (int32 i = 0; i < dotCount; i++)
 600                 {
 601                         dotPos.x = sliderStart + i * 6.0 + 5.0;
 602                         StrokeLine(dotPos, BPoint(dotPos.x, dotPos.y + 6.0));
 603                 }
 604                 // slider handle
 605                 r.top -= 4.0;
 606                 r.bottom += 3.0;
 607                 r.left = knobPos - knobWidth2;
 608                 r.right = knobPos + knobWidth2;
 609                 // black outline
 610                 float handleBottomSize = 2.0;
 611                 float handleArrowSize = 6.0;
 612                 BeginLineArray(10);
 613                         // upper handle
 614                         AddLine(BPoint(r.left, r.top + handleBottomSize),
 615                                         BPoint(r.left, r.top), black);
 616                         AddLine(BPoint(r.left + 1.0, r.top),
 617                                         BPoint(r.right, r.top), black);
 618                         AddLine(BPoint(r.right, r.top + 1.0),
 619                                         BPoint(r.right, r.top + handleBottomSize), black);
 620                         AddLine(BPoint(r.right - 1.0, r.top + handleBottomSize + 1.0),
 621                                         BPoint(knobPos, r.top + handleArrowSize), black);
 622                         AddLine(BPoint(knobPos - 1.0, r.top + handleArrowSize - 1.0),
 623                                         BPoint(r.left + 1.0, r.top + handleBottomSize + 1.0), black);
 624                         // lower handle
 625                         AddLine(BPoint(r.left, r.bottom),
 626                                         BPoint(r.left, r.bottom - handleBottomSize), black);
 627                         AddLine(BPoint(r.left + 1.0, r.bottom - handleBottomSize - 1.0),
 628                                         BPoint(knobPos, r.bottom - handleArrowSize), black);
 629                         AddLine(BPoint(knobPos + 1.0, r.bottom - handleArrowSize + 1.0),
 630                                         BPoint(r.right, r.bottom - handleBottomSize), black);
 631                         AddLine(BPoint(r.right, r.bottom - handleBottomSize + 1.0),
 632                                         BPoint(r.right, r.bottom), black);
 633                         AddLine(BPoint(r.right - 1.0, r.bottom),
 634                                         BPoint(r.left + 1.0, r.bottom), black);
 635                 EndLineArray();
 636                 // inner red light and shadow lines
 637                 r.InsetBy(1.0, 1.0);
 638                 handleBottomSize--;
 639                 handleArrowSize -= 2.0;
 640                 BeginLineArray(10);
 641                         // upper handle
 642                         AddLine(BPoint(r.left, r.top + handleBottomSize),
 643                                         BPoint(r.left, r.top), kSeekRedLight);
 644                         AddLine(BPoint(r.left + 1.0, r.top),
 645                                         BPoint(r.right, r.top), kSeekRedLight);
 646                         AddLine(BPoint(r.right, r.top + 1.0),
 647                                         BPoint(r.right, r.top + handleBottomSize), kSeekRedShadow);
 648                         AddLine(BPoint(r.right - 1.0, r.top + handleBottomSize + 1.0),
 649                                         BPoint(knobPos, r.top + handleArrowSize), kSeekRedShadow);
 650                         AddLine(BPoint(knobPos - 1.0, r.top + handleArrowSize - 1.0),
 651                                         BPoint(r.left + 1.0, r.top + handleBottomSize + 1.0), kSeekRedLight);
 652                         // lower handle
 653                         AddLine(BPoint(r.left, r.bottom),
 654                                         BPoint(r.left, r.bottom - handleBottomSize), kSeekRedLight);
 655                         AddLine(BPoint(r.left + 1.0, r.bottom - handleBottomSize - 1.0),
 656                                         BPoint(knobPos, r.bottom - handleArrowSize), kSeekRedLight);
 657                         AddLine(BPoint(knobPos + 1.0, r.bottom - handleArrowSize + 1.0),
 658                                         BPoint(r.right, r.bottom - handleBottomSize), kSeekRedShadow);
 659                         AddLine(BPoint(r.right, r.bottom - handleBottomSize + 1.0),
 660                                         BPoint(r.right, r.bottom), kSeekRedShadow);
 661                         AddLine(BPoint(r.right - 1.0, r.bottom),
 662                                         BPoint(r.left + 1.0, r.bottom), kSeekRedShadow);
 663                 EndLineArray();
 664                 // fill rest of handles with red
 665                 SetHighColor(kSeekRed);
 666                 r.InsetBy(1.0, 1.0);
 667                 handleArrowSize -= 2.0;
 668                 BPoint arrow[3];
 669                 // upper handle arrow
 670                 arrow[0].x = r.left;
 671                 arrow[0].y = r.top;
 672                 arrow[1].x = r.right;
 673                 arrow[1].y = r.top;
 674                 arrow[2].x = knobPos;
 675                 arrow[2].y = r.top + handleArrowSize;
 676                 FillPolygon(arrow, 3);
 677                 // lower handle arrow
 678                 arrow[0].x = r.left;
 679                 arrow[0].y = r.bottom;
 680                 arrow[1].x = r.right;
 681                 arrow[1].y = r.bottom;
 682                 arrow[2].x = knobPos;
 683                 arrow[2].y = r.bottom - handleArrowSize;
 684                 FillPolygon(arrow, 3);
 685         }
 686         else
 687         {
 688                 r.InsetBy(1.0, 1.0);
 689                 _StrokeFrame(r, darkShadow, darkShadow, darkShadow, darkShadow);
 690                 r.InsetBy(1.0, 1.0);
 691                 _StrokeFrame(r, darkShadow, darkShadow, darkShadow, darkShadow);
 692                 r.InsetBy(1.0, 1.0);
 693                 SetHighColor(darkShadow);
 694                 SetLowColor(shadow);
 695                 // stripes
 696                 float width = floorf(StringWidth(DISABLED_SEEK_MESSAGE));
 697                 float textPos = r.left + r.Width() / 2.0 - width / 2.0;
 698                 pattern stripes = {{ 0xc7, 0x8f, 0x1f, 0x3e, 0x7c, 0xf8, 0xf1, 0xe3 }};
 699                 BRect stripesRect(r);
 700                 stripesRect.right = textPos - 5.0;
 701                 FillRect(stripesRect, stripes);
 702                 stripesRect.left = textPos + width + 3.0;
 703                 stripesRect.right = r.right;
 704                 FillRect(stripesRect, stripes);
 705                 // info text
 706                 r.left = textPos - 4.0;
 707                 r.right = textPos + width + 2.0;
 708                 FillRect(r);
 709                 SetHighColor(shadow);
 710                 SetLowColor(darkShadow);
 711                 font_height fh;
 712                 GetFontHeight(&fh);
 713                 DrawString(DISABLED_SEEK_MESSAGE, BPoint(textPos, r.top + ceilf(fh.ascent) - 1.0));
 714         }
 715 }
 716
 717 /*****************************************************************************
 718  * SeekSlider::MouseDown
 719  *****************************************************************************/
 720 void
 721 SeekSlider::MouseDown(BPoint where)
 722 {
 723         if (IsEnabled() && Bounds().Contains(where))
 724         {
 725                 SetValue(_ValueFor(where.x));
 726                 fTracking = true;
 727                 SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
 728                 _BeginSeek();
 729         }
 730 }
 731
 732 /*****************************************************************************
 733  * SeekSlider::MouseMoved
 734  *****************************************************************************/
 735 void
 736 SeekSlider::MouseMoved(BPoint where, uint32 code, const BMessage* dragMessage)
 737 {
 738         if (fTracking)
 739         {
 740                 SetValue(_ValueFor(where.x));
 741                 _Seek();
 742         }
 743 }
 744
 745 /*****************************************************************************
 746  * SeekSlider::MouseUp
 747  *****************************************************************************/
 748 void
 749 SeekSlider::MouseUp(BPoint where)
 750 {
 751         if (fTracking)
 752         {
 753                 fTracking = false;
 754                 _EndSeek();
 755         }
 756 }
 757
 758 /*****************************************************************************
 759  * SeekSlider::ResizeToPreferred
 760  *****************************************************************************/
 761 void
 762 SeekSlider::ResizeToPreferred()
 763 {
 764         float width = 15.0 + StringWidth(DISABLED_SEEK_MESSAGE) + 15.0;
 765         ResizeTo(width, 17.0);
 766 }
 767
 768 /*****************************************************************************
 769  * SeekSlider::SetPosition
 770  *****************************************************************************/
 771 void
 772 SeekSlider::SetPosition(float position)
 773 {
 774         if ( LockLooper() )
 775         {
 776                 SetValue(fMinValue + (int32)floorf((fMaxValue - fMinValue) * position + 0.5));
 777                 UnlockLooper();
 778         }
 779 }
 780
 781 /*****************************************************************************
 782  * SeekSlider::_ValueFor
 783  *****************************************************************************/
 784 int32
 785 SeekSlider::_ValueFor(float xPos) const
 786 {
 787         BRect r(Bounds());
 788         float knobWidth2 = SEEK_SLIDER_KNOB_WIDTH / 2.0;
 789         float sliderStart = (r.left + knobWidth2);
 790         float sliderEnd = (r.right - knobWidth2);
 791         int32 value =  fMinValue + (int32)(((xPos - sliderStart) * (fMaxValue - fMinValue))
 792                                   / (sliderEnd - sliderStart - 1.0));
 793         if (value < fMinValue)
 794                 value = fMinValue;
 795         if (value > fMaxValue)
 796                 value = fMaxValue;
 797         return value;
 798 }
 799
 800 /*****************************************************************************
 801  * SeekSlider::_StrokeFrame
 802  *****************************************************************************/
 803 void
 804 SeekSlider::_StrokeFrame(BRect r, rgb_color left, rgb_color top,
 805                                                  rgb_color right, rgb_color bottom)
 806 {
 807         BeginLineArray(4);
 808                 AddLine(BPoint(r.left, r.bottom), BPoint(r.left, r.top), left);
 809                 AddLine(BPoint(r.left + 1.0, r.top), BPoint(r.right, r.top), top);
 810                 AddLine(BPoint(r.right, r.top + 1.0), BPoint(r.right, r.bottom), right);
 811                 AddLine(BPoint(r.right - 1.0, r.bottom), BPoint(r.left + 1.0, r.bottom), bottom);
 812         EndLineArray();
 813 }
 814
 815 /*****************************************************************************
 816  * SeekSlider::_BeginSeek
 817  *****************************************************************************/
 818 void
 819 SeekSlider::_BeginSeek()
 820 {
 821         fOwner->fScrubSem = create_sem(0, "Vlc::fScrubSem");
 822         if (fOwner->fScrubSem >= B_OK)
 823                 release_sem(fOwner->fScrubSem);
 824 }
 825
 826 /*****************************************************************************
 827  * SeekSlider::_Seek
 828  *****************************************************************************/
 829 void
 830 SeekSlider::_Seek()
 831 {
 832         if (fOwner->fScrubSem >= B_OK)
 833                 delete_sem(fOwner->fScrubSem);
 834         fOwner->fScrubSem = create_sem(0, "Vlc::fScrubSem");
 835         if (fOwner->fScrubSem >= B_OK)
 836                 release_sem(fOwner->fScrubSem);
 837 }
 838
 839 /*****************************************************************************
 840  * SeekSlider::_EndSeek
 841  *****************************************************************************/
 842 void
 843 SeekSlider::_EndSeek()
 844 {
 845         if (fOwner->fScrubSem >= B_OK)
 846                 delete_sem(fOwner->fScrubSem);
 847         fOwner->fScrubSem = B_ERROR;
 848 }
 849
 850
 851 /*****************************************************************************
 852  * VolumeSlider
 853  *****************************************************************************/
 854 VolumeSlider::VolumeSlider(BRect frame, const char* name, int32 minValue, int32 maxValue,
 855                                                    BMessage* message, BHandler* target)
 856         : BControl(frame, name, NULL, message, B_FOLLOW_NONE,
 857                            B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE),
 858           fLeftSideBits(NULL),
 859           fRightSideBits(NULL),
 860           fKnobBits(NULL),
 861           fTracking(false),
 862           fMuted(false),
 863           fMinValue(minValue),
 864           fMaxValue(maxValue)
 865 {
 866         SetTarget(target);
 867
 868         // create bitmaps
 869         BRect r(BPoint(0.0, 0.0), kVolumeSliderBitmapSize);
 870         fLeftSideBits = new BBitmap(r, B_CMAP8);
 871         fRightSideBits = new BBitmap(r, B_CMAP8);
 872         r.Set(0.0, 0.0, kVolumeSliderKnobBitmapSize.x, kVolumeSliderKnobBitmapSize.y);
 873         fKnobBits = new BBitmap(r, B_CMAP8);
 874
 875         _MakeBitmaps();
 876 }
 877
 878 /*****************************************************************************
 879  * VolumeSlider destructor
 880  *****************************************************************************/
 881 VolumeSlider::~VolumeSlider()
 882 {
 883         delete fLeftSideBits;
 884         delete fRightSideBits;
 885         delete fKnobBits;
 886 }
 887
 888 /*****************************************************************************
 889  * VolumeSlider::AttachedToWindow
 890  *****************************************************************************/
 891 void
 892 VolumeSlider::AttachedToWindow()
 893 {
 894         BControl::AttachedToWindow();
 895         SetViewColor(B_TRANSPARENT_32_BIT);
 896 }
 897
 898 /*****************************************************************************
 899  * VolumeSlider::SetValue
 900  *****************************************************************************/
 901 void
 902 VolumeSlider::SetValue(int32 value)
 903 {
 904         if (value != Value())
 905         {
 906                 BControl::SetValue(value);
 907                 Invoke();
 908         }
 909 }
 910
 911 /*****************************************************************************
 912  * VolumeSlider::SetEnabled
 913  *****************************************************************************/
 914 void
 915 VolumeSlider::SetEnabled(bool enable)
 916 {
 917         if (enable != IsEnabled())
 918         {
 919                 BControl::SetEnabled(enable);
 920                 _MakeBitmaps();
 921                 Invalidate();
 922         }
 923 }
 924
 925 /*****************************************************************************
 926  * VolumeSlider::Draw
 927  *****************************************************************************/
 928 void
 929 VolumeSlider::Draw(BRect updateRect)
 930 {
 931         if (IsValid())
 932         {
 933                 BRect r(Bounds());
 934                 float sliderSideWidth = kVolumeSliderBitmapWidth;
 935                 float sliderStart = (r.left + sliderSideWidth);
 936                 float sliderEnd = (r.right - sliderSideWidth);
 937                 float knobPos = sliderStart
 938                                                 + (sliderEnd - sliderStart - 1.0) * (Value() - fMinValue)
 939                                                 / (fMaxValue - fMinValue);
 940                 // draw both sides (the original from Be doesn't seem
 941                 // to make a difference for enabled/disabled state)
 942                 DrawBitmapAsync(fLeftSideBits, r.LeftTop());
 943                 DrawBitmapAsync(fRightSideBits, BPoint(sliderEnd + 1.0, r.top));
 944                 // colors for the slider area between the two bitmaps
 945                 rgb_color background = kBackground;//ui_color(B_PANEL_BACKGROUND_COLOR);
 946                 rgb_color shadow = tint_color(background, B_DARKEN_2_TINT);
 947                 rgb_color softShadow = tint_color(background, B_DARKEN_1_TINT);
 948                 rgb_color darkShadow = tint_color(background, B_DARKEN_4_TINT);
 949                 rgb_color midShadow = tint_color(background, B_DARKEN_3_TINT);
 950                 rgb_color light = tint_color(background, B_LIGHTEN_MAX_TINT);
 951                 rgb_color softLight = tint_color(background, B_LIGHTEN_1_TINT);
 952                 rgb_color green = kGreen;
 953                 rgb_color greenShadow = kGreenShadow;
 954                 rgb_color black = kBlack;
 955                 rgb_color dotGrey = midShadow;
 956                 rgb_color dotGreen = greenShadow;
 957                 // make dimmed version of colors if we're disabled
 958                 if (!IsEnabled())
 959                 {
 960                         shadow = (rgb_color){ 200, 200, 200, 255 };
 961                         softShadow = dimmed_color_cmap8(softShadow, background, DIM_LEVEL);
 962                         darkShadow = dimmed_color_cmap8(darkShadow, background, DIM_LEVEL);
 963                         midShadow = shadow;
 964                         light = dimmed_color_cmap8(light, background, DIM_LEVEL);
 965                         softLight = dimmed_color_cmap8(softLight, background, DIM_LEVEL);
 966                         green = dimmed_color_cmap8(green, background, DIM_LEVEL);
 967                         greenShadow = dimmed_color_cmap8(greenShadow, background, DIM_LEVEL);
 968                         black = dimmed_color_cmap8(black, background, DIM_LEVEL);
 969                         dotGreen = dotGrey;
 970                 }
 971                 else if (fMuted)
 972                 {
 973                         green = tint_color(kBackground, B_DARKEN_3_TINT);
 974                         greenShadow = tint_color(kBackground, B_DARKEN_4_TINT);
 975                         dotGreen = greenShadow;
 976                 }
 977                 // draw slider edges between bitmaps
 978                 BeginLineArray(7);
 979                         AddLine(BPoint(sliderStart, r.top),
 980                                         BPoint(sliderEnd, r.top), softShadow);
 981                         AddLine(BPoint(sliderStart, r.bottom),
 982                                         BPoint(sliderEnd, r.bottom), softLight);
 983                         r.InsetBy(0.0, 1.0);
 984                         AddLine(BPoint(sliderStart, r.top),
 985                                         BPoint(sliderEnd, r.top), black);
 986                         AddLine(BPoint(sliderStart, r.bottom),
 987                                         BPoint(sliderEnd, r.bottom), light);
 988                         r.top++;
 989                         AddLine(BPoint(sliderStart, r.top),
 990                                         BPoint(knobPos, r.top), greenShadow);
 991                         AddLine(BPoint(knobPos, r.top),
 992                                         BPoint(sliderEnd, r.top), midShadow);
 993                         r.top++;
 994                         AddLine(BPoint(sliderStart, r.top),
 995                                         BPoint(knobPos, r.top), greenShadow);
 996                 EndLineArray();
 997                 // fill rest inside of slider
 998                 r.InsetBy(0.0, 1.0);
 999                 r.left = sliderStart;
1000                 r.right = knobPos;
1001                 SetHighColor(green);
1002                 FillRect(r, B_SOLID_HIGH);
1003                 r.left = knobPos + 1.0;
1004                 r.right = sliderEnd;
1005                 r.top -= 1.0;
1006                 SetHighColor(shadow);
1007                 FillRect(r, B_SOLID_HIGH);
1008                 // draw little dots inside
1009                 int32 dotCount = (int32)((sliderEnd - sliderStart) / 5.0);
1010                 BPoint dotPos;
1011                 dotPos.y = r.top + 4.0;
1012                 for (int32 i = 0; i < dotCount; i++)
1013                 {
1014                         dotPos.x = sliderStart + i * 5.0 + 4.0;
1015                         SetHighColor(dotPos.x < knobPos ? dotGreen : dotGrey);
1016                         StrokeLine(dotPos, BPoint(dotPos.x, dotPos.y + 1.0));
1017                 }
1018                 // draw knob
1019                 r.top -= 1.0;
1020                 SetDrawingMode(B_OP_OVER); // part of knob is transparent
1021                 DrawBitmapAsync(fKnobBits, BPoint(knobPos - kVolumeSliderKnobWidth / 2, r.top));
1022         }
1023 }
1024
1025 /*****************************************************************************
1026  * VolumeSlider::MouseDown
1027  *****************************************************************************/
1028 void
1029 VolumeSlider::MouseDown(BPoint where)
1030 {
1031         if (Bounds().Contains(where) && IsEnabled())
1032         {
1033                 fTracking = true;
1034                 SetValue(_ValueFor(where.x));
1035                 SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
1036         }
1037 }
1038
1039 /*****************************************************************************
1040  * VolumeSlider::MouseMoved
1041  *****************************************************************************/
1042 void
1043 VolumeSlider::MouseMoved(BPoint where, uint32 transit, const BMessage* dragMessage)
1044 {
1045         if (fTracking)
1046                 SetValue(_ValueFor(where.x));
1047 }
1048
1049 /*****************************************************************************
1050  * VolumeSlider::MouseUp
1051  *****************************************************************************/
1052 void
1053 VolumeSlider::MouseUp(BPoint where)
1054 {
1055         fTracking = false;
1056 }
1057
1058
1059 /*****************************************************************************
1060  * VolumeSlider::IsValid
1061  *****************************************************************************/
1062 bool
1063 VolumeSlider::IsValid() const
1064 {
1065         return (fLeftSideBits && fLeftSideBits->IsValid()
1066                         && fRightSideBits && fRightSideBits->IsValid()
1067                         && fKnobBits && fKnobBits->IsValid());
1068 }
1069
1070 /*****************************************************************************
1071  * VolumeSlider::SetMuted
1072  *****************************************************************************/
1073 void
1074 VolumeSlider::SetMuted(bool mute)
1075 {
1076         if (mute != fMuted)
1077         {
1078                 fMuted = mute;
1079                 _MakeBitmaps();
1080                 Invalidate();
1081         }
1082 }
1083
1084 /*****************************************************************************
1085  * VolumeSlider::_MakeBitmaps
1086  *****************************************************************************/
1087 void
1088 VolumeSlider::_MakeBitmaps()
1089 {
1090         if (IsValid())
1091         {
1092                 // left side of slider
1093                 memcpy(fLeftSideBits->Bits(), kVolumeSliderLeftBitmapBits,
1094                            fLeftSideBits->BitsLength());
1095                 // right side of slider
1096                 memcpy(fRightSideBits->Bits(), kVolumeSliderRightBits,
1097                            fRightSideBits->BitsLength());
1098                 // slider knob
1099                 int32 length = fKnobBits->BitsLength();
1100                 memcpy(fKnobBits->Bits(), kVolumeSliderKnobBits, length);
1101                 uint8* bits = (uint8*)fKnobBits->Bits();
1102                 // black was used in the knob to represent transparency
1103                 // use screen to get index for the "transarent" color used in the bitmap
1104                 BScreen screen(B_MAIN_SCREEN_ID);
1105                 uint8 blackIndex = screen.IndexForColor(kBlack);
1106                 // replace black index with transparent index
1107                 for (int32 i = 0; i < length; i++)
1108                         if (bits[i] == blackIndex)
1109                                 bits[i] = B_TRANSPARENT_MAGIC_CMAP8;
1110
1111                 if (!IsEnabled())
1112                 {
1113                         // make ghosted versions of the bitmaps
1114                         dim_bitmap(fLeftSideBits, kBackground, DIM_LEVEL);
1115                         dim_bitmap(fRightSideBits, kBackground, DIM_LEVEL);
1116                         dim_bitmap(fKnobBits, kBackground, DIM_LEVEL);
1117                 }
1118                 else if (fMuted)
1119                 {
1120                         // replace green color (and shadow) in left slider side
1121                         bits = (uint8*)fLeftSideBits->Bits();
1122                         length = fLeftSideBits->BitsLength();
1123                         uint8 greenIndex = screen.IndexForColor(kGreen);
1124                         uint8 greenShadowIndex = screen.IndexForColor(kGreenShadow);
1125                         rgb_color shadow = tint_color(kBackground, B_DARKEN_3_TINT);
1126                         rgb_color midShadow = tint_color(kBackground, B_DARKEN_4_TINT);
1127                         uint8 replaceIndex = screen.IndexForColor(shadow);
1128                         uint8 replaceShadowIndex = screen.IndexForColor(midShadow);
1129                         for (int32 i = 0; i < length; i++)
1130                         {
1131                                 if (bits[i] == greenIndex)
1132                                         bits[i] = replaceIndex;
1133                                 else if (bits[i] == greenShadowIndex)
1134                                         bits[i] = replaceShadowIndex;
1135                         }
1136                 }
1137         }
1138 }
1139
1140 /*****************************************************************************
1141  * VolumeSlider::_ValueFor
1142  *****************************************************************************/
1143 int32
1144 VolumeSlider::_ValueFor(float xPos) const
1145 {
1146         BRect r(Bounds());
1147         float sliderStart = (r.left + kVolumeSliderBitmapWidth);
1148         float sliderEnd = (r.right - kVolumeSliderBitmapWidth);
1149         int32 value =  fMinValue + (int32)(((xPos - sliderStart) * (fMaxValue - fMinValue))
1150                                   / (sliderEnd - sliderStart - 1.0));
1151         if (value < fMinValue)
1152                 value = fMinValue;
1153         if (value > fMaxValue)
1154                 value = fMaxValue;
1155         return value;
1156 }
1157
1158 /*****************************************************************************
1159  * PositionInfoView::PositionInfoView
1160  *****************************************************************************/
1161 PositionInfoView::PositionInfoView( BRect frame, const char* name,
1162                                     intf_thread_t * p_interface )
1163         : BView( frame, name, B_FOLLOW_NONE,
1164                          B_WILL_DRAW | B_PULSE_NEEDED | B_FULL_UPDATE_ON_RESIZE ),
1165           fMode( MODE_SMALL ),
1166           fCurrentFileIndex( -1 ),
1167           fCurrentFileSize( -1 ),
1168           fCurrentTitleIndex( -1 ),
1169           fCurrentTitleSize( -1 ),
1170           fCurrentChapterIndex( -1 ),
1171           fCurrentChapterSize( -1 ),
1172           fSeconds( -1 ),
1173           fTimeString( "-:--:--" ),
1174           fLastPulseUpdate( system_time() ),
1175           fStackedWidthCache( 0.0 ),
1176           fStackedHeightCache( 0.0 )
1177 {
1178     p_intf = p_interface;
1179
1180         SetViewColor( B_TRANSPARENT_32_BIT );
1181         SetLowColor( kBlack );
1182         SetHighColor( 0, 255, 0, 255 );
1183         SetFontSize( 11.0 );
1184 }
1185
1186 /*****************************************************************************
1187  * PositionInfoView::~PositionInfoView
1188  *****************************************************************************/
1189 PositionInfoView::~PositionInfoView()
1190 {
1191 }
1192
1193 /*****************************************************************************
1194  * PositionInfoView::Draw
1195  *****************************************************************************/
1196 void
1197 PositionInfoView::Draw( BRect updateRect )
1198 {
1199         rgb_color background = ui_color( B_PANEL_BACKGROUND_COLOR );
1200         rgb_color shadow = tint_color( background, B_DARKEN_1_TINT );
1201         rgb_color darkShadow = tint_color( background, B_DARKEN_4_TINT );
1202         rgb_color light = tint_color( background, B_LIGHTEN_MAX_TINT );
1203         rgb_color softLight = tint_color( background, B_LIGHTEN_1_TINT );
1204         // frame
1205         BRect r( Bounds() );
1206         BeginLineArray( 8 );
1207                 AddLine( BPoint( r.left, r.bottom ),
1208                                  BPoint( r.left, r.top ), shadow );
1209                 AddLine( BPoint( r.left + 1.0, r.top ),
1210                                  BPoint( r.right, r.top ), shadow );
1211                 AddLine( BPoint( r.right, r.top + 1.0 ),
1212                                  BPoint( r.right, r.bottom ), softLight );
1213                 AddLine( BPoint( r.right - 1.0, r.bottom ),
1214                                  BPoint( r.left + 1.0, r.bottom ), softLight );
1215                 r.InsetBy( 1.0, 1.0 );
1216                 AddLine( BPoint( r.left, r.bottom ),
1217                                  BPoint( r.left, r.top ), darkShadow );
1218                 AddLine( BPoint( r.left + 1.0, r.top ),
1219                                  BPoint( r.right, r.top ), darkShadow );
1220                 AddLine( BPoint( r.right, r.top + 1.0 ),
1221                                  BPoint( r.right, r.bottom ), light );
1222                 AddLine( BPoint( r.right - 1.0, r.bottom ),
1223                                  BPoint( r.left + 1.0, r.bottom ), light );
1224         EndLineArray();
1225         // background
1226         r.InsetBy( 1.0, 1.0 );
1227         FillRect( r, B_SOLID_LOW );
1228         // contents
1229         font_height fh;
1230         GetFontHeight( &fh );
1231         switch ( fMode )
1232         {
1233                 case MODE_SMALL:
1234                 {
1235                         float width = StringWidth( fTimeString.String() );
1236                         DrawString( fTimeString.String(),
1237                                                 BPoint( r.left + r.Width() / 2.0 - width / 2.0,
1238                                                                 r.top + r.Height() / 2.0 + fh.ascent / 2.0 - 1.0 ) );
1239                         break;
1240                 }
1241                 case MODE_BIG:
1242                 {
1243                         BFont font;
1244                         GetFont( &font );
1245                         BFont smallFont = font;
1246                         BFont bigFont = font;
1247                         BFont tinyFont = font;
1248                         smallFont.SetSize( r.Height() / 5.0 );
1249                         bigFont.SetSize( r.Height() / 3.0 );
1250                         tinyFont.SetSize( r.Height() / 7.0 );
1251                         float timeHeight = r.Height() / 2.5;
1252                         float height = ( r.Height() - timeHeight ) / 3.0;
1253                         SetFont( &tinyFont );
1254                         SetHighColor( 0, 180, 0, 255 );
1255                         DrawString( _("File"), BPoint( r.left + 3.0, r.top + height ) );
1256                         DrawString( _("Title"), BPoint( r.left + 3.0, r.top + 2.0 * height ) );
1257                         DrawString( _("Chapter"), BPoint( r.left + 3.0, r.top + 3.0 * height ) );
1258                         SetFont( &smallFont );
1259                         BString helper;
1260                         SetHighColor( 0, 255, 0, 255 );
1261                         // file
1262                         _MakeString( helper, fCurrentFileIndex, fCurrentFileSize );
1263                         float width = StringWidth( helper.String() );
1264                         DrawString( helper.String(), BPoint( r.right - 3.0 - width, r.top + height ) );
1265                         // title
1266                         _MakeString( helper, fCurrentTitleIndex, fCurrentTitleSize );
1267                         width = StringWidth( helper.String() );
1268                         DrawString( helper.String(), BPoint( r.right - 3.0 - width, r.top + 2.0 * height ) );
1269                         // chapter
1270                         _MakeString( helper, fCurrentChapterIndex, fCurrentChapterSize );
1271                         width = StringWidth( helper.String() );
1272                         DrawString( helper.String(), BPoint( r.right - 3.0 - width, r.top + 3.0 * height ) );
1273                         // time
1274                         SetFont( &bigFont );
1275                         width = StringWidth( fTimeString.String() );
1276                         DrawString( fTimeString.String(),
1277                                                 BPoint( r.left + r.Width() / 2.0 - width / 2.0,
1278                                                                 r.bottom - 3.0 ) );
1279                         break;
1280                 }
1281         }
1282 }
1283
1284 /*****************************************************************************
1285  * PositionInfoView::ResizeToPreferred
1286  *****************************************************************************/
1287 void
1288 PositionInfoView::ResizeToPreferred()
1289 {
1290         float width, height;
1291         GetPreferredSize( &width, &height );
1292         ResizeTo( width, height );
1293 }
1294
1295 /*****************************************************************************
1296  * PositionInfoView::GetPreferredSize
1297  *****************************************************************************/
1298 void
1299 PositionInfoView::GetPreferredSize( float* width, float* height )
1300 {
1301         if ( width && height )
1302         {
1303                 *width = 5.0 + ceilf( StringWidth( "0:00:00" ) ) + 5.0;
1304                 font_height fh;
1305                 GetFontHeight( &fh );
1306                 *height = 3.0 + ceilf( fh.ascent ) + 3.0;
1307                 fStackedWidthCache = *width * 1.2;
1308                 fStackedHeightCache = *height * 2.7;
1309         }
1310 }
1311
1312 /*****************************************************************************
1313  * PositionInfoView::Pulse
1314  *****************************************************************************/
1315 void
1316 PositionInfoView::Pulse()
1317 {
1318         // allow for Pulse frequency to be higher, MediaControlView needs it
1319         bigtime_t now = system_time();
1320         if ( now - fLastPulseUpdate > 900000 )
1321         {
1322                 int32 index, size;
1323                 p_intf->p_sys->p_wrapper->GetPlaylistInfo( index, size );
1324                 SetFile( index + 1, size );
1325                 p_intf->p_sys->p_wrapper->TitleInfo( index, size );
1326                 SetTitle( index, size );
1327                 p_intf->p_sys->p_wrapper->ChapterInfo( index, size );
1328                 SetChapter( index, size );
1329                 SetTime( p_intf->p_sys->p_wrapper->GetTimeAsString() );
1330                 fLastPulseUpdate = now;
1331         }
1332 }
1333
1334 /*****************************************************************************
1335  * PositionInfoView::GetBigPreferredSize
1336  *****************************************************************************/
1337 void
1338 PositionInfoView::GetBigPreferredSize( float* width, float* height )
1339 {
1340         if ( width && height )
1341         {
1342                 *width = fStackedWidthCache;
1343                 *height = fStackedHeightCache;
1344         }
1345 }
1346
1347 /*****************************************************************************
1348  * PositionInfoView::SetMode
1349  *****************************************************************************/
1350 void
1351 PositionInfoView::SetMode( uint32 mode )
1352 {
1353         if ( fMode != mode )
1354         {
1355                 fMode = mode;
1356                 _InvalidateContents();
1357         }
1358 }
1359
1360 /*****************************************************************************
1361  * PositionInfoView::SetFile
1362  *****************************************************************************/
1363 void
1364 PositionInfoView::SetFile( int32 index, int32 size )
1365 {
1366         if ( fCurrentFileIndex != index || fCurrentFileSize != size )
1367         {
1368                 fCurrentFileIndex = index;
1369                 fCurrentFileSize = size;
1370                 _InvalidateContents();
1371         }
1372 }
1373
1374 /*****************************************************************************
1375  * PositionInfoView::SetTitle
1376  *****************************************************************************/
1377 void
1378 PositionInfoView::SetTitle( int32 index, int32 size )
1379 {
1380         if ( fCurrentTitleIndex != index || fCurrentFileSize != size )
1381         {
1382                 fCurrentTitleIndex = index;
1383                 fCurrentTitleSize = size;
1384                 _InvalidateContents();
1385         }
1386 }
1387
1388 /*****************************************************************************
1389  * PositionInfoView::SetChapter
1390  *****************************************************************************/
1391 void
1392 PositionInfoView::SetChapter( int32 index, int32 size )
1393 {
1394         if ( fCurrentChapterIndex != index || fCurrentFileSize != size )
1395         {
1396                 fCurrentChapterIndex = index;
1397                 fCurrentChapterSize = size;
1398                 _InvalidateContents();
1399         }
1400 }
1401
1402 /*****************************************************************************
1403  * PositionInfoView::SetTime
1404  *****************************************************************************/
1405 void
1406 PositionInfoView::SetTime( int32 seconds )
1407 {
1408         if ( fSeconds != seconds )
1409         {
1410                 if ( seconds >= 0 )
1411                 {
1412                         int32 minutes = seconds / 60;
1413                         int32 hours = minutes / 60;
1414                         seconds -= minutes * 60 - hours * 60 * 60;
1415                         minutes -= hours * 60;
1416                         fTimeString.SetTo( "" );
1417                         fTimeString << hours << ":" << minutes << ":" << seconds;
1418                 }
1419                 else
1420                         fTimeString.SetTo( "-:--:--" );
1421
1422                 fSeconds = seconds;
1423                 _InvalidateContents();
1424         }
1425 }
1426
1427 /*****************************************************************************
1428  * PositionInfoView::SetTime
1429  *****************************************************************************/
1430 void
1431 PositionInfoView::SetTime( const char* string )
1432 {
1433         fTimeString.SetTo( string );
1434         _InvalidateContents();
1435 }
1436
1437 /*****************************************************************************
1438  * PositionInfoView::_InvalidateContents
1439  *****************************************************************************/
1440 void
1441 PositionInfoView::_InvalidateContents( uint32 which )
1442 {
1443         BRect r( Bounds() );
1444         r.InsetBy( 2.0, 2.0 );
1445         Invalidate( r );
1446 }
1447
1448 /*****************************************************************************
1449  * PositionInfoView::_InvalidateContents
1450  *****************************************************************************/
1451 void
1452 PositionInfoView::_MakeString( BString& into, int32 index, int32 maxIndex ) const
1453 {
1454         into = "";
1455         if ( index >= 0 && maxIndex >= 0 )
1456                 into << index;
1457         else
1458                 into << "-";
1459         into << "/";
1460         if ( maxIndex >= 0 )
1461                 into << maxIndex;
1462         else
1463                 into << "-";
1464 }