extended.m

uclinux 下的vlc播放器源代码

    /* read-out the slider's value and apply it */
    intf_thread_t * p_intf = VLCIntf;
    aout_instance_t * p_aout= (aout_instance_t *)vlc_object_find(p_intf,
                                 VLC_OBJECT_AOUT, FIND_ANYWHERE);
    if( p_aout != NULL )
    {
        var_SetFloat( p_aout, "norm-max-level", [o_sld_maxLevel floatValue] );
        vlc_object_release( p_aout );
    }
    config_PutFloat( p_intf, "norm-max-level", [o_sld_maxLevel floatValue] );

    o_config_changed = YES;
}

- (IBAction)audFtls_vlmeNorm:(id)sender
{
    /* en-/disable volume normalisation */
    if ([o_ckb_vlme_norm state] == NSOnState)
    {
        [self changeAFiltersString: "normvol" onOrOff: YES ];
    }else{
        [self changeAFiltersString: "normvol" onOrOff: NO ];
    }
}

- (IBAction)extWin_exp_adjImg:(id)sender
{
    /* expand or collapse adjImg */
    NSRect o_win_rect = [o_extended_window frame];
    NSRect o_box_audFlts_rect = [o_box_audFlts frame];
    NSRect o_box_vidFlts_rect = [o_box_vidFlts frame];
    NSRect o_box_adjImg_rect = [o_box_adjImg frame];
    
    if (o_adjImg_expanded)
    {
        /* move the window contents upwards (partially done through settings
         * inside the nib) and resize the window */
        o_win_rect.size.height = o_win_rect.size.height - 171;
        o_win_rect.origin.y = [o_extended_window frame].origin.y + 171;
        o_box_audFlts_rect.origin.y = o_box_audFlts_rect.origin.y + 171;
        o_box_vidFlts_rect.origin.y = o_box_vidFlts_rect.origin.y + 171;
        
        /* remove the inserted view */
        [o_adjustImg_view removeFromSuperviewWithoutNeedingDisplay];
    }else{
    
        /* move the window contents downwards and resize the window */
        o_win_rect.size.height = o_win_rect.size.height + 171;
        o_win_rect.origin.y = [o_extended_window frame].origin.y - 171;
        o_box_audFlts_rect.origin.y = o_box_audFlts_rect.origin.y - 171;
        o_box_vidFlts_rect.origin.y = o_box_vidFlts_rect.origin.y - 171;
    }
    
    [o_box_audFlts setFrameFromContentFrame: o_box_audFlts_rect];
    [o_box_vidFlts setFrameFromContentFrame: o_box_vidFlts_rect];
    [o_extended_window displayIfNeeded];
    [o_extended_window setFrame: o_win_rect display:YES animate: YES];
    
    if (o_adjImg_expanded)
    {
        o_box_adjImg_rect.size.height = [o_box_adjImg frame].size.height - 171;
        msg_Dbg( VLCIntf, "collapsed adjust-image section");
        o_adjImg_expanded = NO;
    } else {
        /* insert view */
        o_box_adjImg_rect.size.height = [o_box_adjImg frame].size.height + 171;
        [o_adjustImg_view setFrame: NSMakeRect( 20, -10, 370, 181)];
        [o_adjustImg_view setNeedsDisplay:YES];
        [o_adjustImg_view setAutoresizesSubviews: YES];
        [[o_box_adjImg contentView] addSubview: o_adjustImg_view];
        msg_Dbg( VLCIntf, "expanded adjust-image section");
        o_adjImg_expanded = YES;
    }
    [o_box_adjImg setFrameFromContentFrame: o_box_adjImg_rect];
}

- (IBAction)extWin_exp_audFlts:(id)sender
{
    /* expand or collapse audFlts */
    NSRect o_win_rect = [o_extended_window frame];
    NSRect o_box_audFlts_rect = [o_box_audFlts frame];
    
    if (o_audFlts_expanded)
    {
        /* move the window contents upwards (partially done through settings
         * inside the nib) and resize the window */
        o_win_rect.size.height = o_win_rect.size.height - 66;
        o_win_rect.origin.y = [o_extended_window frame].origin.y + 66;
        
        /* remove the inserted view */
        [o_audioFlts_view removeFromSuperviewWithoutNeedingDisplay];
    }else{
        /* move the window contents downwards and resize the window */
        o_win_rect.size.height = o_win_rect.size.height + 66;
        o_win_rect.origin.y = [o_extended_window frame].origin.y - 66;
    }
    [o_extended_window displayIfNeeded];
    [o_extended_window setFrame: o_win_rect display:YES animate: YES];
    
    
    if (o_audFlts_expanded)
    {
        o_box_audFlts_rect.size.height = [o_box_audFlts frame].size.height - 66;
        msg_Dbg( VLCIntf, "collapsed audio-filters section");
        o_audFlts_expanded = NO;
    } else {
        /* insert view */
        o_box_audFlts_rect.size.height = [o_box_audFlts frame].size.height + 66;
        [o_audioFlts_view setFrame: NSMakeRect( 20, -20, 370, 76)];
        [o_audioFlts_view setNeedsDisplay:YES];
        [o_audioFlts_view setAutoresizesSubviews: YES];
        [[o_box_audFlts contentView] addSubview: o_audioFlts_view];
        msg_Dbg( VLCIntf, "expanded audio-filters section");
        o_audFlts_expanded = YES;
    }
    [o_box_audFlts setFrameFromContentFrame: o_box_audFlts_rect];
}

- (IBAction)extWin_exp_vidFlts:(id)sender
{
    /* expand or collapse vidFlts */
    NSRect o_win_rect = [o_extended_window frame];
    NSRect o_box_audFlts_rect = [o_box_audFlts frame];
    NSRect o_box_vidFlts_rect = [o_box_vidFlts frame];
    
    if (o_vidFlts_expanded)
    {
        /* move the window contents upwards (partially done through settings
         * inside the nib) and resize the window */
        o_win_rect.size.height = o_win_rect.size.height - 134;
        o_win_rect.origin.y = [o_extended_window frame].origin.y + 134;
        o_box_audFlts_rect.origin.y = o_box_audFlts_rect.origin.y + 134;
        
        /* remove the inserted view */
        [o_videoFilters_view removeFromSuperviewWithoutNeedingDisplay];
    }else{
    
        /* move the window contents downwards and resize the window */
        o_win_rect.size.height = o_win_rect.size.height + 134;
        o_win_rect.origin.y = [o_extended_window frame].origin.y - 134;
        o_box_audFlts_rect.origin.y = o_box_audFlts_rect.origin.y - 134;
    }
    
    [o_box_audFlts setFrameFromContentFrame: o_box_audFlts_rect];
    [o_extended_window displayIfNeeded];
    [o_extended_window setFrame: o_win_rect display:YES animate: YES];
    
    if (o_vidFlts_expanded)
    {
        o_box_vidFlts_rect.size.height = [o_box_vidFlts frame].size.height - 134;
        msg_Dbg( VLCIntf, "collapsed video-filters section");
        o_vidFlts_expanded = NO;
    } else {
        /* insert view */
        o_box_vidFlts_rect.size.height = [o_box_vidFlts frame].size.height + 134;
        [o_videoFilters_view setFrame: NSMakeRect( 20, -10, 370, 144)];
        [o_videoFilters_view setNeedsDisplay:YES];
        [o_videoFilters_view setAutoresizesSubviews: YES];
        [[o_box_vidFlts contentView] addSubview: o_videoFilters_view];
        msg_Dbg( VLCIntf, "expanded video-filters section");
        o_vidFlts_expanded = YES;
    }
    [o_box_vidFlts setFrameFromContentFrame: o_box_vidFlts_rect];
}

- (IBAction)vidFlts:(id)sender
{
    /* en-/disable video filters */
    if (sender == o_ckb_blur)
    {
        [self changeVFiltersString: "motionblur" onOrOff: [o_ckb_blur state]];
    }
    else if (sender == o_ckb_distortion)
    {
        [self changeVFiltersString: "distort" onOrOff: [o_ckb_distortion state]];
    }
    else if (sender == o_ckb_imgClone)
    {
        [self changeVFiltersString: "clone" onOrOff: [o_ckb_imgClone state]];
    }
    else if (sender == o_ckb_imgCrop)
    {
        [self changeVFiltersString: "crop" onOrOff: [o_ckb_imgCrop state]];
    }
    else if (sender == o_ckb_imgInvers)
    {
        [self changeVFiltersString: "invert" onOrOff: [o_ckb_imgInvers state]];
    }
    else if (sender == o_ckb_trnsform)
    {
        [self changeVFiltersString: "transform" onOrOff: [o_ckb_trnsform state]];
    } else {
        /* this shouldn't happen */
        msg_Warn (VLCIntf, "cannot find selected video-filter");
    }
}

- (IBAction)vidFlts_mrInfo:(id)sender
{
    /* show info sheet */
/// \bug [String] Misplaced \n
    NSBeginInformationalAlertSheet(_NS("More Information"), _NS("OK"), @"", @"", \
        o_extended_window, nil, nil, nil, nil, _NS("This panel allows to " \
        "select video effects filters to apply.\n" \
        "The filters can be configured indivudually in the Preferences, in " \
        "the subsections of Video/Filters\n." \
        "To choose the order in which the filter are applied, a filter " \
        "option string can be set in the Preferences, Video / Filters section."));
}


/*****************************************************************************
 * methods to communicate changes to VLC's core
 *****************************************************************************/

- (void)changeVFiltersString:(char *)psz_name onOrOff:(vlc_bool_t )b_add 
{
    /* copied from ../wxwidgets/extrapanel.cpp
     * renamed to conform with Cocoa's rules */
     
    vout_thread_t *p_vout;
    intf_thread_t * p_intf = VLCIntf;
    
    char *psz_parser, *psz_string;
    psz_string = config_GetPsz( p_intf, "vout-filter" );
    
    if( !psz_string ) psz_string = strdup("");

    psz_parser = strstr( psz_string, psz_name );

    if( b_add )
    {
        if( !psz_parser )
        {
            psz_parser = psz_string;
            asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
                            psz_string, psz_name );
            free( psz_parser );
        }
        else
        {
            return;
        }
    }
    else
    {
        if( psz_parser )
        {
            memmove( psz_parser, psz_parser + strlen(psz_name) +
                            (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
                            strlen(psz_parser + strlen(psz_name)) + 1 );

            /* Remove trailing : : */
            if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
            {
                *(psz_string+strlen(psz_string ) -1 ) = '\0';
            }
         }
         else
         {
             free( psz_string );
             return;
         }
    }
    /* Vout is not kept, so put that in the config */
    config_PutPsz( p_intf, "vout-filter", psz_string );

    /* Try to set on the fly */
    p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
                                              FIND_ANYWHERE );
    if( p_vout )
    {
        var_SetString( p_vout, "vout-filter", psz_string );
        vlc_object_release( p_vout );
    }

    free( psz_string );

    o_config_changed = YES;
}


- (void)changeAFiltersString: (char *)psz_name onOrOff: (vlc_bool_t )b_add;
{
    /* copied from ../wxwidgets/extrapanel.cpp
     * renamed to conform with Cocoa's rules */

    char *psz_parser, *psz_string;
    intf_thread_t * p_intf = VLCIntf;
    aout_instance_t * p_aout= (aout_instance_t *)vlc_object_find(p_intf,
                                 VLC_OBJECT_AOUT, FIND_ANYWHERE);

    if( p_aout )
    {
        psz_string = var_GetString( p_aout, "audio-filter" );
    }
    else
    {
        psz_string = config_GetPsz( p_intf, "audio-filter" );
    }

    if( !psz_string ) psz_string = strdup("");

    psz_parser = strstr( psz_string, psz_name );

    if( b_add )
    {
        if( !psz_parser )
        {
            psz_parser = psz_string;
            asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
                            psz_string, psz_name );
            free( psz_parser );
        }
        else
        {
            return;
        }
    }
    else
    {
        if( psz_parser )
        {
            memmove( psz_parser, psz_parser + strlen(psz_name) +
                            (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
                            strlen(psz_parser + strlen(psz_name)) + 1 );

            if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
            {
                *(psz_string+strlen(psz_string ) -1 ) = '\0';
            }
         }
         else
         {
             free( psz_string );
             return;
         }
    }

    if( p_aout == NULL )
    {
        config_PutPsz( p_intf, "audio-filter", psz_string );
    }
    else
    {
        var_SetString( p_aout, "audio-filter", psz_string );
        int i = 0;
        while( i < p_aout->i_nb_inputs )
        {
            p_aout->pp_inputs[i]->b_restart = VLC_TRUE;
            i = (i + 1);
        }
        vlc_object_release( p_aout );
    }
    free( psz_string );

    o_config_changed = YES;
}

- (void)savePrefs
{    
    /* save the preferences to make sure that our module-changes will up on
     * next launch again */
    playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST, \
        FIND_ANYWHERE );
    int returnedValue;
    NSArray * theModules;
    theModules = [[NSArray alloc] initWithObjects: @"main", @"headphone", \
        @"transform", @"adjust", @"invert", @"motionblur", @"distort", \
        @"clone", @"crop", @"normvol", @"headphone_channel_mixer", @"macosx", \
        nil];
    unsigned int x = 0;
    
    while ( x != [theModules count] )
    {
        returnedValue = config_SaveConfigFile( p_playlist, [[theModules \
            objectAtIndex: x] UTF8String] );

        if (returnedValue != 0)
        {
            msg_Err(p_playlist, "unable to save the preferences of the " \
            "extended control attribute '%s' (%i)", 
            [[theModules objectAtIndex: x] UTF8String] , returnedValue);
            [theModules release];
            vlc_object_release( p_playlist );
            
            return;
        }

        x = ( x + 1 );
    }
    
    msg_Dbg( p_playlist, "VLCExtended: saved certain preferences successfully" );
    
    [theModules release];
    vlc_object_release( p_playlist );
}
@end