intf.m

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        [toolbarItem setLabel:@"Media Controls"];
        [toolbarItem setPaletteLabel:@"Media Controls"];

        NSSize size = toolbarMediaControl.frame.size;
        [toolbarItem setView:toolbarMediaControl];
        [toolbarItem setMinSize:size];
        size.width += 1000.;
        [toolbarItem setMaxSize:size];

        // Hack: For some reason we need to make sure
        // that the those element are on top
        // Add them again will put them frontmost
        [toolbarMediaControl addSubview:o_scrollfield];
        [toolbarMediaControl addSubview:o_timeslider];
        [toolbarMediaControl addSubview:o_timefield];
        [toolbarMediaControl addSubview:o_main_pgbar];

        /* TODO: setup a menu */
    }
    else
    {
        /* itemIdentifier referred to a toolbar item that is not
         * provided or supported by us or Cocoa
         * Returning nil will inform the toolbar
         * that this kind of item is not supported */
        toolbarItem = nil;
    }
    return toolbarItem;
}

#pragma mark -
#pragma mark Other notification

- (void)controlTintChanged
{
    BOOL b_playing = NO;
    
    if( [o_btn_play alternateImage] == o_img_play_pressed )
        b_playing = YES;
    
    if( [NSColor currentControlTint] == NSGraphiteControlTint )
    {
        o_img_play_pressed = [NSImage imageNamed: @"play_graphite"];
        o_img_pause_pressed = [NSImage imageNamed: @"pause_graphite"];
        
        [o_btn_prev setAlternateImage: [NSImage imageNamed: @"previous_graphite"]];
        [o_btn_rewind setAlternateImage: [NSImage imageNamed: @"skip_previous_graphite"]];
        [o_btn_stop setAlternateImage: [NSImage imageNamed: @"stop_graphite"]];
        [o_btn_ff setAlternateImage: [NSImage imageNamed: @"skip_forward_graphite"]];
        [o_btn_next setAlternateImage: [NSImage imageNamed: @"next_graphite"]];
        [o_btn_fullscreen setAlternateImage: [NSImage imageNamed: @"fullscreen_graphite"]];
        [o_btn_playlist setAlternateImage: [NSImage imageNamed: @"playlistdrawer_graphite"]];
        [o_btn_equalizer setAlternateImage: [NSImage imageNamed: @"equalizerdrawer_graphite"]];
    }
    else
    {
        o_img_play_pressed = [NSImage imageNamed: @"play_blue"];
        o_img_pause_pressed = [NSImage imageNamed: @"pause_blue"];
        
        [o_btn_prev setAlternateImage: [NSImage imageNamed: @"previous_blue"]];
        [o_btn_rewind setAlternateImage: [NSImage imageNamed: @"skip_previous_blue"]];
        [o_btn_stop setAlternateImage: [NSImage imageNamed: @"stop_blue"]];
        [o_btn_ff setAlternateImage: [NSImage imageNamed: @"skip_forward_blue"]];
        [o_btn_next setAlternateImage: [NSImage imageNamed: @"next_blue"]];
        [o_btn_fullscreen setAlternateImage: [NSImage imageNamed: @"fullscreen_blue"]];
        [o_btn_playlist setAlternateImage: [NSImage imageNamed: @"playlistdrawer_blue"]];
        [o_btn_equalizer setAlternateImage: [NSImage imageNamed: @"equalizerdrawer_blue"]];
    }
    
    if( b_playing )
        [o_btn_play setAlternateImage: o_img_play_pressed];
    else
        [o_btn_play setAlternateImage: o_img_pause_pressed];
}

/* Listen to the remote in exclusive mode, only when VLC is the active
   application */
- (void)applicationDidBecomeActive:(NSNotification *)aNotification
{
    [o_remote startListening: self];
}
- (void)applicationDidResignActive:(NSNotification *)aNotification
{
    [o_remote stopListening: self];
}

/* Triggered when the computer goes to sleep */
- (void)computerWillSleep: (NSNotification *)notification
{
    /* Pause */
    if( p_intf->p_sys->i_play_status == PLAYING_S )
    {
        vlc_value_t val;
        val.i_int = config_GetInt( p_intf, "key-play-pause" );
        var_Set( p_intf->p_libvlc, "key-pressed", val );
    }
}

#pragma mark -
#pragma mark File opening

- (BOOL)application:(NSApplication *)o_app openFile:(NSString *)o_filename
{
    BOOL b_autoplay = config_GetInt( VLCIntf, "macosx-autoplay" );
    NSDictionary *o_dic = [NSDictionary dictionaryWithObjectsAndKeys: o_filename, @"ITEM_URL", nil];
    if( b_autoplay )
        [o_playlist appendArray: [NSArray arrayWithObject: o_dic] atPos: -1 enqueue: NO];
    else
        [o_playlist appendArray: [NSArray arrayWithObject: o_dic] atPos: -1 enqueue: YES];

    return( TRUE );
}

/* When user click in the Dock icon our double click in the finder */
- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)hasVisibleWindows
{    
    if(!hasVisibleWindows)
        [o_window makeKeyAndOrderFront:self];

    return YES;
}

#pragma mark -
#pragma mark Apple Remote Control

/* Helper method for the remote control interface in order to trigger forward/backward and volume
   increase/decrease as long as the user holds the left/right, plus/minus button */
- (void) executeHoldActionForRemoteButton: (NSNumber*) buttonIdentifierNumber
{
    if(b_remote_button_hold)
    {
        switch([buttonIdentifierNumber intValue])
        {
            case kRemoteButtonRight_Hold:
                  [o_controls forward: self];
            break;
            case kRemoteButtonLeft_Hold:
                  [o_controls backward: self];
            break;
            case kRemoteButtonVolume_Plus_Hold:
                [o_controls volumeUp: self];
            break;
            case kRemoteButtonVolume_Minus_Hold:
                [o_controls volumeDown: self];
            break;
        }
        if(b_remote_button_hold)
        {
            /* trigger event */
            [self performSelector:@selector(executeHoldActionForRemoteButton:)
                         withObject:buttonIdentifierNumber
                         afterDelay:0.25];
        }
    }
}

/* Apple Remote callback */
- (void) appleRemoteButton: (AppleRemoteEventIdentifier)buttonIdentifier
               pressedDown: (BOOL) pressedDown
                clickCount: (unsigned int) count
{
    switch( buttonIdentifier )
    {
        case kRemoteButtonPlay:
            if(count >= 2) {
                [o_controls toogleFullscreen:self];
            } else {
                [o_controls play: self];
            }
            break;
        case kRemoteButtonVolume_Plus:
            [o_controls volumeUp: self];
            break;
        case kRemoteButtonVolume_Minus:
            [o_controls volumeDown: self];
            break;
        case kRemoteButtonRight:
            [o_controls next: self];
            break;
        case kRemoteButtonLeft:
            [o_controls prev: self];
            break;
        case kRemoteButtonRight_Hold:
        case kRemoteButtonLeft_Hold:
        case kRemoteButtonVolume_Plus_Hold:
        case kRemoteButtonVolume_Minus_Hold:
            /* simulate an event as long as the user holds the button */
            b_remote_button_hold = pressedDown;
            if( pressedDown )
            {
                NSNumber* buttonIdentifierNumber = [NSNumber numberWithInt: buttonIdentifier];
                [self performSelector:@selector(executeHoldActionForRemoteButton:)
                           withObject:buttonIdentifierNumber];
            }
            break;
        case kRemoteButtonMenu:
            [o_controls showPosition: self];
            break;
        default:
            /* Add here whatever you want other buttons to do */
            break;
    }
}

#pragma mark -
#pragma mark String utility
// FIXME: this has nothing to do here

- (NSString *)localizedString:(const char *)psz
{
    NSString * o_str = nil;

    if( psz != NULL )
    {
        o_str = [[[NSString alloc] initWithUTF8String: psz] autorelease];

        if( o_str == NULL )
        {
            msg_Err( VLCIntf, "could not translate: %s", psz );
            return( @"" );
        }
    }
    else
    {
        msg_Warn( VLCIntf, "can't translate empty strings" );
        return( @"" );
    }

    return( o_str );
}



- (char *)delocalizeString:(NSString *)id
{
    NSData * o_data = [id dataUsingEncoding: NSUTF8StringEncoding
                          allowLossyConversion: NO];
    char * psz_string;

    if( o_data == nil )
    {
        o_data = [id dataUsingEncoding: NSUTF8StringEncoding
                     allowLossyConversion: YES];
        psz_string = malloc( [o_data length] + 1 );
        [o_data getBytes: psz_string];
        psz_string[ [o_data length] ] = '\0';
        msg_Err( VLCIntf, "cannot convert to the requested encoding: %s",
                 psz_string );
    }
    else
    {
        psz_string = malloc( [o_data length] + 1 );
        [o_data getBytes: psz_string];
        psz_string[ [o_data length] ] = '\0';
    }

    return psz_string;
}

/* i_width is in pixels */
- (NSString *)wrapString: (NSString *)o_in_string toWidth: (int) i_width
{
    NSMutableString *o_wrapped;
    NSString *o_out_string;
    NSRange glyphRange, effectiveRange, charRange;
    NSRect lineFragmentRect;
    unsigned glyphIndex, breaksInserted = 0;

    NSTextStorage *o_storage = [[NSTextStorage alloc] initWithString: o_in_string
        attributes: [NSDictionary dictionaryWithObjectsAndKeys:
        [NSFont labelFontOfSize: 0.0], NSFontAttributeName, nil]];
    NSLayoutManager *o_layout_manager = [[NSLayoutManager alloc] init];
    NSTextContainer *o_container = [[NSTextContainer alloc]
        initWithContainerSize: NSMakeSize(i_width, 2000)];

    [o_layout_manager addTextContainer: o_container];
    [o_container release];
    [o_storage addLayoutManager: o_layout_manager];
    [o_layout_manager release];

    o_wrapped = [o_in_string mutableCopy];
    glyphRange = [o_layout_manager glyphRangeForTextContainer: o_container];

    for( glyphIndex = glyphRange.location ; glyphIndex < NSMaxRange(glyphRange) ;
            glyphIndex += effectiveRange.length) {
        lineFragmentRect = [o_layout_manager lineFragmentRectForGlyphAtIndex: glyphIndex
                                            effectiveRange: &effectiveRange];
        charRange = [o_layout_manager characterRangeForGlyphRange: effectiveRange
                                    actualGlyphRange: &effectiveRange];
        if([o_wrapped lineRangeForRange:
                NSMakeRange(charRange.location + breaksInserted, charRange.length)].length > charRange.length) {
            [o_wrapped insertString: @"\n" atIndex: NSMaxRange(charRange) + breaksInserted];
            breaksInserted++;
        }
    }
    o_out_string = [NSString stringWithString: o_wrapped];
    [o_wrapped release];
    [o_storage release];

    return o_out_string;
}


#pragma mark -
#pragma mark Key Shortcuts

static struct
{
    unichar i_nskey;
    unsigned int i_vlckey;
} nskeys_to_vlckeys[] =
{
    { NSUpArrowFunctionKey, KEY_UP },
    { NSDownArrowFunctionKey, KEY_DOWN },
    { NSLeftArrowFunctionKey, KEY_LEFT },
    { NSRightArrowFunctionKey, KEY_RIGHT },
    { NSF1FunctionKey, KEY_F1 },
    { NSF2FunctionKey, KEY_F2 },
    { NSF3FunctionKey, KEY_F3 },
    { NSF4FunctionKey, KEY_F4 },
    { NSF5FunctionKey, KEY_F5 },
    { NSF6FunctionKey, KEY_F6 },
    { NSF7FunctionKey, KEY_F7 },
    { NSF8FunctionKey, KEY_F8 },
    { NSF9FunctionKey, KEY_F9 },
    { NSF10FunctionKey, KEY_F10 },
    { NSF11FunctionKey, KEY_F11 },
    { NSF12FunctionKey, KEY_F12 },
    { NSInsertFunctionKey, KEY_INSERT },
    { NSHomeFunctionKey, KEY_HOME },
    { NSEndFunctionKey, KEY_END },
    { NSPageUpFunctionKey, KEY_PAGEUP },
    { NSPageDownFunctionKey, KEY_PAGEDOWN },
    { NSMenuFunctionKey, KEY_MENU },
    { NSTabCharacter, KEY_TAB },
    { NSCarriageReturnCharacter, KEY_ENTER },
    { NSEnterCharacter, KEY_ENTER },
    { NSBackspaceCharacter, KEY_BACKSPACE },
    { (unichar) ' ', KEY_SPACE },
    { (unichar) 0x1b, KEY_ESC },
    {0,0}
};

static unichar VLCKeyToCocoa( unsigned int i_key )
{
    unsigned int i;

    for( i = 0; nskeys_to_vlckeys[i].i_vlckey != 0; i++ )
    {
        if( nskeys_to_vlckeys[i].i_vlckey == (i_key & ~KEY_MODIFIER) )
        {
            return nskeys_to_vlckeys[i].i_nskey;
        }
    }
    return (unichar)(i_key & ~KEY_MODIFIER);
}

unsigned int CocoaKeyToVLC( unichar i_key )
{
    unsigned int i;

    for( i = 0; nskeys_to_vlckeys[i].i_nskey != 0; i++ )
    {
        if( nskeys_to_vlckeys[i].i_nskey == i_key )
        {
            return nskeys_to_vlckeys[i].i_vlckey;
        }
    }
    return (unsigned int)i_key;
}

static unsigned int VLCModifiersToCocoa( unsigned int i_key )
{
    unsigned int new = 0;
    if( i_key & KEY_MODIFIER_COMMAND )
        new |= NSCommandKeyMask;
    if( i_key & KEY_MODIFIER_ALT )
        new |= NSAlternateKeyMask;
    if( i_key & KEY_MODIFIER_SHIFT )
        new |= NSShiftKeyMask;
    if( i_key & KEY_MODIFIER_CTRL )
        new |= NSControlKeyMask;
    return new;
}

/*****************************************************************************
 * hasDefinedShortcutKey: Check to see if the key press is a defined VLC
 * shortcut key.  If it is, pass it off to VLC for handling and return YES,
 * otherwise ignore it and return NO (where it will get handled by Cocoa).