git.sesse.net Git - vlc/blob - modules/gui/macosx/fspanel.m

   1 /*****************************************************************************\r
   2  * fspanel.m: MacOS X full screen panel\r
   3  *****************************************************************************\r
   4  * Copyright (C) 2006 the VideoLAN team\r
   5  * $Id$\r
   6  *\r
   7  * Authors: J\8er\99me Decoodt <djc at videolan dot org>\r
   8  *          Felix K\9fhne <fkuehne at videolan dot org>\r
   9  *\r
  10  * This program is free software; you can redistribute it and/or modify\r
  11  * it under the terms of the GNU General Public License as published by\r
  12  * the Free Software Foundation; either version 2 of the License, or\r
  13  * (at your option) any later version.\r
  14  * \r
  15  * This program is distributed in the hope that it will be useful,\r
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  18  * GNU General Public License for more details.\r
  19  *\r
  20  * You should have received a copy of the GNU General Public License\r
  21  * along with this program; if not, write to the Free Software\r
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.\r
  23  *****************************************************************************/\r
  24 \r
  25 /*****************************************************************************\r
  26  * Preamble\r
  27  *****************************************************************************/\r
  28 #import "intf.h"\r
  29 #import "controls.h"\r
  30 #import "vout.h"\r
  31 #import "fspanel.h"\r
  32 \r
  33 #define KEEP_VISIBLE_AFTER_ACTION 4 /* time in half-sec until this panel will hide again after an user's action */\r
  34 \r
  35 /*****************************************************************************\r
  36  * VLCFSPanel\r
  37  *****************************************************************************/\r
  38 @implementation VLCFSPanel\r
  39 /* We override this initializer so we can set the NSBorderlessWindowMask styleMask, and set a few other important settings */\r
  40 - (id)initWithContentRect:(NSRect)contentRect \r
  41                 styleMask:(unsigned int)aStyle \r
  42                   backing:(NSBackingStoreType)bufferingType \r
  43                     defer:(BOOL)flag\r
  44 {\r
  45     id win=[super initWithContentRect:contentRect styleMask:NSTexturedBackgroundWindowMask backing:bufferingType defer:flag];\r
  46     [win setOpaque:NO];\r
  47     [win setHasShadow: NO];\r
  48     [win setBackgroundColor:[NSColor clearColor]];\r
  49     \r
  50     /* let the window sit on top of everything else and start out completely transparent */\r
  51     [win setLevel:NSFloatingWindowLevel];\r
  52     [win setAlphaValue:0.0];\r
  53     \r
  54     /* centre the panel in the lower third of the screen */\r
  55     NSPoint theCoordinate;\r
  56     NSRect theScreensFrame;\r
  57     NSRect theWindowsFrame;\r
  58     int i_outputScreen;\r
  59     \r
  60     i_outputScreen = var_GetInteger( VLCIntf, "video-device" );\r
  61     if( i_outputScreen <=0 || i_outputScreen > (signed int)[[NSScreen screens] count] )\r
  62         /* invalid preferences or none specified, using main screen */\r
  63         theScreensFrame = [[NSScreen mainScreen] frame];\r
  64     else\r
  65         /* user-defined screen */\r
  66         theScreensFrame = [[[NSScreen screens] objectAtIndex: i_outputScreen] frame];\r
  67     \r
  68     theWindowsFrame = [win frame];\r
  69     theCoordinate.x = (theScreensFrame.size.width - theWindowsFrame.size.width) / 2;\r
  70     theCoordinate.y = (theScreensFrame.size.height / 3) - theWindowsFrame.size.height;\r
  71     [win setFrameTopLeftPoint: theCoordinate];\r
  72     return win;\r
  73 }\r
  74 \r
  75 - (void)awakeFromNib\r
  76 {\r
  77     [self setContentView:[[VLCFSPanelView alloc] initWithFrame: [self frame]]];\r
  78     BOOL isInside=(NSPointInRect([NSEvent mouseLocation],[self frame]));\r
  79     [[self contentView] addTrackingRect:[[self contentView] bounds] owner:self userData:nil assumeInside:isInside];\r
  80     if (isInside)\r
  81     [self mouseEntered:NULL];\r
  82     if (!isInside)\r
  83     [self mouseExited:NULL];\r
  84 }\r
  85 \r
  86 /* Windows created with NSBorderlessWindowMask normally can't be key, but we want ours to be */\r
  87 - (BOOL)canBecomeKeyWindow\r
  88 {\r
  89     return YES;\r
  90 }\r
  91 \r
  92 - (BOOL)mouseDownCanMoveWindow\r
  93 {\r
  94     return YES;\r
  95 }\r
  96 \r
  97 -(void)dealloc\r
  98 {\r
  99     if( hideAgainTimer )\r
 100         [hideAgainTimer release];\r
 101     [self setFadeTimer:nil];\r
 102     [super dealloc];\r
 103 }\r
 104 \r
 105 - (void)setPlay\r
 106 {\r
 107     [[self contentView] setPlay];\r
 108 }\r
 109 \r
 110 - (void)setPause\r
 111 {\r
 112     [[self contentView] setPause];\r
 113 }\r
 114 \r
 115 - (void)setStreamTitle:(NSString *)o_title\r
 116 {\r
 117     [[self contentView] setStreamTitle: o_title];\r
 118 }\r
 119 \r
 120 - (void)setStreamPos:(float) f_pos andTime:(NSString *)o_time\r
 121 {\r
 122     [[self contentView] setStreamPos:f_pos andTime: o_time];\r
 123 }\r
 124 \r
 125 - (void)setSeekable:(BOOL) b_seekable\r
 126 {\r
 127     [[self contentView] setSeekable: b_seekable];\r
 128 }\r
 129 \r
 130 - (void)setVolumeLevel: (float)f_volumeLevel\r
 131 {\r
 132     [[self contentView] setVolumeLevel: f_volumeLevel];\r
 133 }\r
 134 \r
 135 /* This routine is called repeatedly to fade in the window */\r
 136 - (void)focus:(NSTimer *)timer\r
 137 {\r
 138     /* we need to push ourselves to front if the vout window was closed since our last display */\r
 139     if( b_voutWasUpdated )\r
 140     {\r
 141         [self orderFront: self];\r
 142         b_voutWasUpdated = NO;\r
 143     }\r
 144 \r
 145     if( [self alphaValue] < 1.0 )\r
 146         [self setAlphaValue:[self alphaValue]+0.1];\r
 147     if( [self alphaValue] >= 1.0 )\r
 148     {\r
 149         b_displayed = YES;\r
 150         [self setAlphaValue: 1.0];\r
 151         [self setFadeTimer:nil];\r
 152         if( b_fadeQueued )\r
 153         {\r
 154             b_fadeQueued=NO;\r
 155             [self setFadeTimer:[NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(unfocus:) userInfo:NULL repeats:YES]];\r
 156         }\r
 157     }\r
 158 }\r
 159 \r
 160 /* This routine is called repeatedly to hide the window */\r
 161 - (void)unfocus:(NSTimer *)timer\r
 162 {\r
 163     if( b_keptVisible )\r
 164     {\r
 165         b_keptVisible = NO;\r
 166         b_fadeQueued = NO;\r
 167         [[self fadeTimer] release];\r
 168         [self setFadeTimer: NULL];\r
 169         [self fadeIn];\r
 170         return;\r
 171     }\r
 172     if( [self alphaValue] > 0.0 )\r
 173         [self setAlphaValue:[self alphaValue]-0.1];\r
 174     if( [self alphaValue] <= 0.1 )\r
 175     {\r
 176         b_displayed = NO;\r
 177         [self setAlphaValue:0.0];\r
 178         [self setFadeTimer:nil];\r
 179         if( b_fadeQueued )\r
 180         {\r
 181             b_fadeQueued=NO;\r
 182             [self setFadeTimer:\r
 183                 [NSTimer scheduledTimerWithTimeInterval:0.1 \r
 184                                                  target:self \r
 185                                                selector:@selector(focus:) \r
 186                                                userInfo:NULL \r
 187                                                 repeats:YES]];\r
 188         }\r
 189     }\r
 190 }\r
 191 \r
 192 - (void)mouseExited:(NSEvent *)theEvent\r
 193 {\r
 194     /* give up our focus, so the vout may show us again without letting the user clicking it */\r
 195     if( [[[[VLCMain sharedInstance] getControls] getVoutView] isFullscreen] )\r
 196         [[[[[VLCMain sharedInstance] getControls] getVoutView] window] makeKeyWindow];\r
 197 }\r
 198 \r
 199 - (void)fadeIn\r
 200 {\r
 201     if( [self alphaValue] < 1.0 )\r
 202     {\r
 203         if (![self fadeTimer])\r
 204             [self setFadeTimer:[NSTimer scheduledTimerWithTimeInterval:0.05 target:self selector:@selector(focus:) userInfo:[NSNumber numberWithShort:1] repeats:YES]];\r
 205         else if ([[[self fadeTimer] userInfo] shortValue]==0)\r
 206             b_fadeQueued=YES;\r
 207     }\r
 208     [self autoHide];\r
 209 }\r
 210 \r
 211 - (void)fadeOut\r
 212 {\r
 213     if( ( [self alphaValue] > 0.0 ) )\r
 214     {\r
 215         if (![self fadeTimer])\r
 216             [self setFadeTimer:[NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(unfocus:) userInfo:[NSNumber numberWithShort:0] repeats:YES]];\r
 217         else if ([[[self fadeTimer] userInfo] shortValue]==1)\r
 218             b_fadeQueued=YES;\r
 219     }\r
 220 }\r
 221 \r
 222 /* triggers a timer to autoHide us again after some seconds of no activity */\r
 223 - (void)autoHide\r
 224 {\r
 225     /* this will tell the timer to start over again or to start at all */\r
 226     b_keptVisible = YES;\r
 227     \r
 228     /* get us a valid timer */\r
 229     if(! b_alreadyCounting )\r
 230     {\r
 231         hideAgainTimer = [NSTimer scheduledTimerWithTimeInterval: 0.5\r
 232                                                           target: self \r
 233                                                         selector: @selector(keepVisible:)\r
 234                                                         userInfo: nil \r
 235                                                          repeats: YES];\r
 236         [hideAgainTimer fire];\r
 237         [hideAgainTimer retain];\r
 238         b_alreadyCounting = YES;\r
 239     }\r
 240 }\r
 241 \r
 242 - (void)keepVisible:(NSTimer *)timer\r
 243 {\r
 244     /* if the user triggered an action, start over again */\r
 245     if( b_keptVisible )\r
 246     {\r
 247         i_timeToKeepVisibleInSec = KEEP_VISIBLE_AFTER_ACTION;\r
 248         b_keptVisible = NO;\r
 249     }\r
 250     \r
 251     /* count down until we hide ourselfes again and do so if necessary */\r
 252     i_timeToKeepVisibleInSec -= 1;\r
 253     if( i_timeToKeepVisibleInSec < 1 )\r
 254     {\r
 255         [self fadeOut];\r
 256         [timer invalidate];\r
 257         [timer release];\r
 258         b_alreadyCounting = NO;\r
 259         timer = NULL;\r
 260     }\r
 261 }\r
 262 \r
 263 /* A getter and setter for our main timer that handles window fading */\r
 264 - (NSTimer *)fadeTimer\r
 265 {\r
 266     return fadeTimer;\r
 267 }\r
 268 \r
 269 - (void)setFadeTimer:(NSTimer *)timer\r
 270 {\r
 271     [timer retain];\r
 272     [fadeTimer invalidate];\r
 273     [fadeTimer release];\r
 274     fadeTimer=timer;\r
 275 }\r
 276 \r
 277 - (void)mouseDown:(NSEvent *)theEvent\r
 278 {\r
 279     mouseClic = [theEvent locationInWindow];\r
 280 }\r
 281 \r
 282 - (void)mouseDragged:(NSEvent *)theEvent\r
 283 {\r
 284     NSPoint point = [NSEvent mouseLocation];\r
 285     point.x -= mouseClic.x;\r
 286     point.y -= mouseClic.y;\r
 287     [self setFrameOrigin:point];\r
 288 }\r
 289 \r
 290 - (BOOL)isDisplayed\r
 291 {\r
 292     return b_displayed;\r
 293 }\r
 294 \r
 295 - (void)setVoutWasUpdated\r
 296 {\r
 297     b_voutWasUpdated = YES;\r
 298 }\r
 299 @end\r
 300 \r
 301 /*****************************************************************************\r
 302  * FSPanelView\r
 303  *****************************************************************************/\r
 304 @implementation VLCFSPanelView\r
 305 \r
 306 #define addButton( o_button, imageOff, imageOn, _x, _y, action )                                \\r
 307     s_rc.origin.x = _x;                                                                         \\r
 308     s_rc.origin.y = _y;                                                                         \\r
 309     o_button = [[NSButton alloc] initWithFrame: s_rc];                                 \\r
 310     [o_button setButtonType: NSMomentaryChangeButton];                                          \\r
 311     [o_button setBezelStyle: NSRegularSquareBezelStyle];                                        \\r
 312     [o_button setBordered: NO];                                                                 \\r
 313     [o_button setFont:[NSFont systemFontOfSize:0]];                                             \\r
 314     [o_button setImage:[NSImage imageNamed:imageOff]];                                 \\r
 315     [o_button setAlternateImage:[NSImage imageNamed:imageOn]];                         \\r
 316     [o_button sizeToFit];                                                                       \\r
 317     [o_button setTarget: self];                                                                 \\r
 318     [o_button setAction: @selector(action:)];                                                   \\r
 319     [self addSubview:o_button];\r
 320 \r
 321 #define addTextfield( o_text, align, font, color, size )                                    \\r
 322     o_text = [[NSTextField alloc] initWithFrame: s_rc];                            \\r
 323     [o_text setDrawsBackground: NO];                                                        \\r
 324     [o_text setBordered: NO];                                                               \\r
 325     [o_text setEditable: NO];                                                               \\r
 326     [o_text setSelectable: NO];                                                             \\r
 327     [o_text setStringValue: _NS("(no item is being played)")];                                                    \\r
 328     [o_text setAlignment: align];                                                           \\r
 329     [o_text setTextColor: [NSColor color]];                                                 \\r
 330     [o_text setFont:[NSFont font:[NSFont smallSystemFontSize] - size]];                     \\r
 331     [self addSubview:o_text];\r
 332 \r
 333 - (id)initWithFrame:(NSRect)frameRect\r
 334 {\r
 335     id view = [super initWithFrame:frameRect];\r
 336     fillColor = [[NSColor clearColor] retain];\r
 337     NSRect s_rc = [self frame];\r
 338     addButton( o_prev, @"fs_skip_previous" , @"fs_skip_previous_highlight", 174, 15, prev );\r
 339     addButton( o_slow, @"fs_rewind"        , @"fs_rewind_highlight"       , 211, 14, slower );\r
 340     addButton( o_play, @"fs_play"          , @"fs_play_highlight"         , 267, 10, play );\r
 341     addButton( o_fast, @"fs_forward"       , @"fs_forward_highlight"      , 313, 14, faster );\r
 342     addButton( o_next, @"fs_skip_next"     , @"fs_skip_next_highlight"    , 365, 15, next );\r
 343     addButton( o_fullscreen, @"fs_exit_fullscreen", @"fs_exit_fullscreen_hightlight", 507, 13, windowAction );\r
 344 /*\r
 345     addButton( o_button, @"image (off state)", @"image (on state)", 38, 51, something );\r
 346  */\r
 347 \r
 348     /* time slider */\r
 349     s_rc = [self frame];\r
 350     s_rc.origin.x = 15;\r
 351     s_rc.origin.y = 53;\r
 352     s_rc.size.width = 518;\r
 353     s_rc.size.height = 9;\r
 354     o_fs_timeSlider = [[VLCFSTimeSlider alloc] initWithFrame: s_rc];\r
 355     [o_fs_timeSlider setMinValue:0];\r
 356     [o_fs_timeSlider setMaxValue:10000];\r
 357     [o_fs_timeSlider setFloatValue: 0];\r
 358     [o_fs_timeSlider setContinuous: YES];\r
 359     [o_fs_timeSlider setTarget: self];\r
 360     [o_fs_timeSlider setAction: @selector(fsTimeSliderUpdate:)];\r
 361     [self addSubview: o_fs_timeSlider];\r
 362 \r
 363     /* volume slider */\r
 364     s_rc = [self frame];\r
 365     s_rc.origin.x = 26;\r
 366     s_rc.origin.y = 17.5;\r
 367     s_rc.size.width = 95;\r
 368     s_rc.size.height = 10;\r
 369     o_fs_volumeSlider = [[VLCFSVolumeSlider alloc] initWithFrame: s_rc];\r
 370     [o_fs_volumeSlider setMinValue:0];\r
 371     [o_fs_volumeSlider setMaxValue:32];\r
 372     [o_fs_volumeSlider setFloatValue: 0];\r
 373     [o_fs_volumeSlider setContinuous: YES];\r
 374     [o_fs_volumeSlider setTarget: self];\r
 375     [o_fs_volumeSlider setAction: @selector(fsVolumeSliderUpdate:)];\r
 376     [self addSubview: o_fs_volumeSlider];\r
 377     \r
 378     /* time counter and stream title output fields */\r
 379     s_rc = [self frame];\r
 380     s_rc.origin.x = 98;\r
 381     s_rc.origin.y = 64;\r
 382     s_rc.size.width = 352;\r
 383     s_rc.size.height = 14;\r
 384     addTextfield( o_streamTitle_txt, NSCenterTextAlignment, systemFontOfSize, whiteColor, 0 );\r
 385     s_rc.origin.x = 486;\r
 386     s_rc.origin.y = 64;\r
 387     s_rc.size.width = 50;\r
 388     addTextfield( o_streamPosition_txt, NSRightTextAlignment, systemFontOfSize, whiteColor, 0 );\r
 389 \r
 390     return view;\r
 391 }\r
 392 \r
 393 - (void)dealloc\r
 394 {\r
 395     [o_fs_timeSlider release];\r
 396     [o_fs_volumeSlider release];\r
 397     [o_prev release];\r
 398     [o_next release];\r
 399     [o_slow release];\r
 400     [o_play release];\r
 401     [o_fast release];\r
 402     [o_fullscreen release];\r
 403     [o_streamTitle_txt release];\r
 404     [o_streamPosition_txt release];\r
 405     [super dealloc];\r
 406 }\r
 407 \r
 408 - (void)setPlay\r
 409 {\r
 410     NSImage *image;\r
 411     image = [NSImage imageNamed:@"fs_play"];\r
 412     [o_play setImage:image];\r
 413     image = [NSImage imageNamed:@"fs_play_highlight"];\r
 414     [o_play setAlternateImage:image];\r
 415 }\r
 416 \r
 417 - (void)setPause\r
 418 {\r
 419     NSImage *image;\r
 420     image = [NSImage imageNamed:@"fs_pause"];\r
 421     [o_play setImage:image];\r
 422     image = [NSImage imageNamed:@"fs_pause_highlight"];\r
 423     [o_play setAlternateImage:image];\r
 424 }\r
 425 \r
 426 - (void)setStreamTitle:(NSString *)o_title\r
 427 {\r
 428     [o_streamTitle_txt setStringValue: o_title];\r
 429 }\r
 430 \r
 431 - (void)setStreamPos:(float) f_pos andTime:(NSString *)o_time\r
 432 {\r
 433     [o_streamPosition_txt setStringValue: o_time];\r
 434     [o_fs_timeSlider setFloatValue: f_pos];\r
 435 }\r
 436 \r
 437 - (void)setSeekable:(BOOL)b_seekable\r
 438 {\r
 439     [o_slow setEnabled: b_seekable];\r
 440     [o_fast setEnabled: b_seekable];\r
 441     [o_fs_timeSlider setEnabled: b_seekable];\r
 442 }\r
 443 \r
 444 - (void)setVolumeLevel: (float)f_volumeLevel\r
 445 {\r
 446     [o_fs_volumeSlider setFloatValue: f_volumeLevel];\r
 447 }\r
 448 \r
 449 - (IBAction)play:(id)sender\r
 450 {\r
 451     [[[VLCMain sharedInstance] getControls] play: sender];\r
 452 }\r
 453 \r
 454 - (IBAction)faster:(id)sender\r
 455 {\r
 456     [[[VLCMain sharedInstance] getControls] faster: sender];\r
 457 }\r
 458 \r
 459 - (IBAction)slower:(id)sender\r
 460 {\r
 461     [[[VLCMain sharedInstance] getControls] slower: sender];\r
 462 }\r
 463 \r
 464 - (IBAction)prev:(id)sender\r
 465 {\r
 466     [[[VLCMain sharedInstance] getControls] prev: sender];\r
 467 }\r
 468 \r
 469 - (IBAction)next:(id)sender\r
 470 {\r
 471     [[[VLCMain sharedInstance] getControls] next: sender];\r
 472 }\r
 473 \r
 474 - (IBAction)windowAction:(id)sender\r
 475 {\r
 476     [[[VLCMain sharedInstance] getControls] windowAction: sender];\r
 477 }\r
 478 \r
 479 - (IBAction)fsTimeSliderUpdate:(id)sender\r
 480 {\r
 481     [[VLCMain sharedInstance] timesliderUpdate: sender];\r
 482 }\r
 483 \r
 484 - (IBAction)fsVolumeSliderUpdate:(id)sender\r
 485 {\r
 486     [[[VLCMain sharedInstance] getControls] volumeSliderUpdated: sender];\r
 487 }\r
 488 \r
 489 #define addImage(image, _x, _y, mode, _width)                                               \\r
 490     img = [NSImage imageNamed:image];                                              \\r
 491     image_rect.size = [img size];                                                           \\r
 492     image_rect.origin.x = 0;                                                                \\r
 493     image_rect.origin.y = 0;                                                                \\r
 494     frame.origin.x = _x;                                                                    \\r
 495     frame.origin.y = _y;                                                                    \\r
 496     frame.size = [img size];                                                                \\r
 497     if( _width ) frame.size.width = _width;                                                 \\r
 498     [img drawInRect:frame fromRect:image_rect operation:mode fraction:1];\r
 499 \r
 500 - (void)drawRect:(NSRect)rect\r
 501 {\r
 502         NSRect frame = [self frame];\r
 503     NSRect image_rect;\r
 504     NSImage *img;\r
 505     addImage( @"fs_background", 0, 0, NSCompositeCopy, 0 );\r
 506     addImage( @"fs_volume_slider_bar", 26, 22, NSCompositeSourceOver, 0 );\r
 507     addImage( @"fs_volume_mute", 16, 18, NSCompositeSourceOver, 0 );\r
 508     addImage( @"fs_volume_max", 124, 17, NSCompositeSourceOver, 0 );\r
 509     addImage( @"fs_time_slider", 15, 53, NSCompositeSourceOver, 0);\r
 510 }\r
 511 \r
 512 @end\r
 513 \r
 514 /*****************************************************************************\r
 515  * VLCFSTimeSlider\r
 516  *****************************************************************************/\r
 517 @implementation VLCFSTimeSlider\r
 518 - (void)drawKnobInRect:(NSRect)knobRect\r
 519 {\r
 520     NSRect image_rect;\r
 521     NSImage *img = [NSImage imageNamed:@"fs_time_slider_knob_highlight"];\r
 522     image_rect.size = [img size];\r
 523     image_rect.origin.x = 0;\r
 524     image_rect.origin.y = 0;\r
 525     knobRect.origin.x += (knobRect.size.width - image_rect.size.width) / 2;\r
 526     knobRect.size.width = image_rect.size.width;\r
 527     knobRect.size.height = image_rect.size.height;\r
 528     [img drawInRect:knobRect fromRect:image_rect operation:NSCompositeSourceOver fraction:1];\r
 529 }\r
 530 \r
 531 - (void)drawRect:(NSRect)rect\r
 532 {\r
 533     /* Draw default to make sure the slider behaves correctly */\r
 534     [[NSGraphicsContext currentContext] saveGraphicsState];\r
 535     NSRectClip(NSZeroRect);\r
 536     [super drawRect:rect];\r
 537     [[NSGraphicsContext currentContext] restoreGraphicsState];\r
 538     \r
 539     NSRect knobRect = [[self cell] knobRectFlipped:NO];\r
 540     knobRect.origin.y+=7.5;\r
 541     [[[NSColor blackColor] colorWithAlphaComponent:0.6] set];\r
 542     [self drawKnobInRect: knobRect];\r
 543 }\r
 544 \r
 545 @end\r
 546 \r
 547 /*****************************************************************************\r
 548 * VLCFSVolumeSlider\r
 549 *****************************************************************************/\r
 550 @implementation VLCFSVolumeSlider\r
 551 - (void)drawKnobInRect:(NSRect) knobRect\r
 552 {\r
 553     NSRect image_rect;\r
 554     NSImage *img = [NSImage imageNamed:@"fs_volume_slider_knob"];\r
 555     image_rect.size = [img size];\r
 556     image_rect.origin.x = 0;\r
 557     image_rect.origin.y = 0;\r
 558     knobRect.origin.x += (knobRect.size.width - image_rect.size.width) / 2;\r
 559     knobRect.size.width = image_rect.size.width;\r
 560     knobRect.size.height = image_rect.size.height;\r
 561     [img drawInRect:knobRect fromRect:image_rect operation:NSCompositeSourceOver fraction:1];\r
 562 }\r
 563 \r
 564 - (void)drawRect:(NSRect)rect\r
 565 {\r
 566     /* Draw default to make sure the slider behaves correctly */\r
 567     [[NSGraphicsContext currentContext] saveGraphicsState];\r
 568     NSRectClip(NSZeroRect);\r
 569     [super drawRect:rect];\r
 570     [[NSGraphicsContext currentContext] restoreGraphicsState];\r
 571     \r
 572     NSRect knobRect = [[self cell] knobRectFlipped:NO];\r
 573     knobRect.origin.y+=6;\r
 574     [[[NSColor blackColor] colorWithAlphaComponent:0.6] set];\r
 575     [self drawKnobInRect: knobRect];\r
 576 }\r
 577 \r
 578 @end