/*****************************************************************************
* simple_prefs.m: Simple Preferences for Mac OS X
*****************************************************************************
* Copyright (C) 2008-2014 VLC authors and VideoLAN
* $Id: ddc0957455efe1a5b61a247629904b4661481532 $
*
* Authors: Felix Paul Kühne <fkuehne at videolan dot org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#import "CompatibilityFixes.h"
#import "simple_prefs.h"
#import "prefs.h"
#import <vlc_keys.h>
#import <vlc_interface.h>
#import <vlc_dialog.h>
#import <vlc_modules.h>
#import <vlc_plugin.h>
#import <vlc_config_cat.h>
#import "misc.h"
#import "intf.h"
#import "AppleRemote.h"
#import "CoreInteraction.h"

#import <Sparkle/Sparkle.h>                        //for o_intf_last_update_lbl

static const char *const ppsz_language[] =
{
    "auto",
    "en",
    "an",
    "ar",
    "ast",
    "bn",
    "bn_IN",
    "bs",
    "pt_BR",
    "en_GB",
    "el",
    "bg",
    "ca",
    "zh_TW",
    "cs",
    "cy",
    "da",
    "nl",
    "fi",
    "et",
    "eu",
    "fr",
    "ga",
    "gd",
    "gl",
    "ka",
    "de",
    "he",
    "hr",
    "hu",
    "hy",
    "is",
    "id",
    "it",
    "ja",
    "kn",
    "ko",
    "lt",
    "lv",
    "mn",
    "mr",
    "ms",
    "nb",
    "nn",
    "kk",
    "km",
    "ne",
    "oc",
    "fa",
    "pl",
    "pt_PT",
    "pa",
    "ro",
    "ru",
    "zh_CN",
    "si",
    "sr",
    "sk",
    "sl",
    "ckb",
    "es",
    "es_MX",
    "sv",
    "te",
    "th",
    "tr",
    "uk",
    "vi",
    "wa",
    NULL,
};

static const char *const ppsz_language_text[] =
{
    N_("Auto"),
    "American English",
    "aragonés",
    "ﻉﺮﺒﻳ",
    "asturianu",
    "বাংলা",
    "বাংলা (ভারত)",
    "bosanski",
    "Português Brasileiro",
    "British English",
    "Νέα Ελληνικά",
    "български език",
    "Català",
    "正體中文",
    "Čeština",
    "Cymraeg",
    "Dansk",
    "Nederlands",
    "Suomi",
    "eesti keel",
    "Euskara",
    "Français",
    "Gaeilge",
    "Gàidhlig",
    "Galego",
    "ქართული",
    "Deutsch",
    "עברית",
    "hrvatski",
    "Magyar",
    "հայերեն",
    "íslenska",
    "Bahasa Indonesia",
    "Italiano",
    "日本語",
    "ಕನ್ನಡ",
    "한국어",
    "lietuvių",
    "latviešu valoda",
    "Монгол хэл",
    "मराठी",
    "Melayu",
    "Bokmål",
    "Nynorsk",
    "Қазақ тілі",
    "ភាសាខ្មែរ",
    "नेपाली",
    "Occitan",
    "ﻑﺍﺮﺳی",
    "Polski",
    "Português",
    "ਪੰਜਾਬੀ",
    "Română",
    "Русский",
    "简体中文",
    "සිංහල",
    "српски",
    "Slovensky",
    "slovenščina",
    "کوردیی سۆرانی",
    "Español",
    "Español mexicano",
    "Svenska",
    "తెలుగు",
    "ภาษาไทย",
    "Türkçe",
    "украї́нська мо́ва",
    "tiếng Việt",
    "Walon",
};

static NSString* VLCSPrefsToolbarIdentifier = @"Our Simple Preferences Toolbar Identifier";
static NSString* VLCIntfSettingToolbarIdentifier = @"Intf Settings Item Identifier";
static NSString* VLCAudioSettingToolbarIdentifier = @"Audio Settings Item Identifier";
static NSString* VLCVideoSettingToolbarIdentifier = @"Video Settings Item Identifier";
static NSString* VLCOSDSettingToolbarIdentifier = @"Subtitles Settings Item Identifier";
static NSString* VLCInputSettingToolbarIdentifier = @"Input Settings Item Identifier";
static NSString* VLCHotkeysSettingToolbarIdentifier = @"Hotkeys Settings Item Identifier";

@implementation VLCSimplePrefs

static VLCSimplePrefs *_o_sharedInstance = nil;

#pragma mark Initialisation

+ (VLCSimplePrefs *)sharedInstance
{
    return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
}

- (id)init
{
    if (_o_sharedInstance)
        [self dealloc];
    else {
        _o_sharedInstance = [super init];
        p_intf = VLCIntf;
    }

    return _o_sharedInstance;
}

- (void)dealloc
{
    [o_currentlyShownCategoryView release];

    [o_hotkeySettings release];
    [o_hotkeyDescriptions release];
    [o_hotkeyNames release];
    [o_hotkeysNonUseableKeys release];

    [o_keyInTransition release];

    [super dealloc];
}

- (void)awakeFromNib
{
    [self initStrings];

    /* setup the toolbar */
    NSToolbar * o_sprefs_toolbar = [[[NSToolbar alloc] initWithIdentifier: VLCSPrefsToolbarIdentifier] autorelease];
    [o_sprefs_toolbar setAllowsUserCustomization: NO];
    [o_sprefs_toolbar setAutosavesConfiguration: NO];
    [o_sprefs_toolbar setDisplayMode: NSToolbarDisplayModeIconAndLabel];
    [o_sprefs_toolbar setSizeMode: NSToolbarSizeModeRegular];
    [o_sprefs_toolbar setDelegate: self];
    [o_sprefs_win setToolbar: o_sprefs_toolbar];

    if (!OSX_SNOW_LEOPARD)
        [o_sprefs_win setCollectionBehavior: NSWindowCollectionBehaviorFullScreenAuxiliary];
    [o_sprefs_win setHidesOnDeactivate:YES];

    [o_hotkeys_listbox setTarget:self];
    [o_hotkeys_listbox setDoubleAction:@selector(hotkeyTableDoubleClick:)];

    /* setup useful stuff */
    o_hotkeysNonUseableKeys = [[NSArray arrayWithObjects:@"Command-c", @"Command-x", @"Command-v", @"Command-a", @"Command-," , @"Command-h", @"Command-Alt-h", @"Command-Shift-o", @"Command-o", @"Command-d", @"Command-n", @"Command-s", @"Command-l", @"Command-r", @"Command-3", @"Command-m", @"Command-w", @"Command-Shift-w", @"Command-Shift-c", @"Command-Shift-p", @"Command-i", @"Command-e", @"Command-Shift-e", @"Command-b", @"Command-Shift-m", @"Command-Ctrl-m", @"Command-?", @"Command-Alt-?", nil] retain];
}

#define CreateToolbarItem(o_name, o_desc, o_img, sel) \
    o_toolbarItem = create_toolbar_item(o_itemIdent, o_name, o_desc, o_img, self, @selector(sel));
static inline NSToolbarItem *
create_toolbar_item(NSString * o_itemIdent, NSString * o_name, NSString * o_desc, NSString * o_img, id target, SEL selector)
{
    NSToolbarItem *o_toolbarItem = [[[NSToolbarItem alloc] initWithItemIdentifier: o_itemIdent] autorelease]; \

    [o_toolbarItem setLabel: o_name];
    [o_toolbarItem setPaletteLabel: o_desc];

    [o_toolbarItem setToolTip: o_desc];
    [o_toolbarItem setImage: [NSImage imageNamed: o_img]];

    [o_toolbarItem setTarget: target];
    [o_toolbarItem setAction: selector];

    [o_toolbarItem setEnabled: YES];
    [o_toolbarItem setAutovalidates: YES];

    return o_toolbarItem;
}

- (NSToolbarItem *) toolbar: (NSToolbar *)o_sprefs_toolbar
      itemForItemIdentifier: (NSString *)o_itemIdent
  willBeInsertedIntoToolbar: (BOOL)b_willBeInserted
{
    NSToolbarItem *o_toolbarItem = nil;

    if ([o_itemIdent isEqual: VLCIntfSettingToolbarIdentifier]) {
        CreateToolbarItem(_NS("Interface"), _NS("Interface Settings"), @"spref_cone_Interface_64", showInterfaceSettings);
    } else if ([o_itemIdent isEqual: VLCAudioSettingToolbarIdentifier]) {
        CreateToolbarItem(_NS("Audio"), _NS("Audio Settings"), @"spref_cone_Audio_64", showAudioSettings);
    } else if ([o_itemIdent isEqual: VLCVideoSettingToolbarIdentifier]) {
        CreateToolbarItem(_NS("Video"), _NS("Video Settings"), @"spref_cone_Video_64", showVideoSettings);
    } else if ([o_itemIdent isEqual: VLCOSDSettingToolbarIdentifier]) {
        CreateToolbarItem(_NS(SUBPIC_TITLE), _NS("Subtitle & On Screen Display Settings"), @"spref_cone_Subtitles_64", showOSDSettings);
    } else if ([o_itemIdent isEqual: VLCInputSettingToolbarIdentifier]) {
        CreateToolbarItem(_NS(INPUT_TITLE), _NS("Input & Codec Settings"), @"spref_cone_Input_64", showInputSettings);
    } else if ([o_itemIdent isEqual: VLCHotkeysSettingToolbarIdentifier]) {
        CreateToolbarItem(_NS("Hotkeys"), _NS("Hotkeys settings"), @"spref_cone_Hotkeys_64", showHotkeySettings);
    }

    return o_toolbarItem;
}

- (NSArray *)toolbarDefaultItemIdentifiers: (NSToolbar *)toolbar
{
    return [NSArray arrayWithObjects:VLCIntfSettingToolbarIdentifier, VLCAudioSettingToolbarIdentifier, VLCVideoSettingToolbarIdentifier,
             VLCOSDSettingToolbarIdentifier, VLCInputSettingToolbarIdentifier, VLCHotkeysSettingToolbarIdentifier,
             NSToolbarFlexibleSpaceItemIdentifier, nil];
}

- (NSArray *)toolbarAllowedItemIdentifiers: (NSToolbar *)toolbar
{
    return [NSArray arrayWithObjects:VLCIntfSettingToolbarIdentifier, VLCAudioSettingToolbarIdentifier, VLCVideoSettingToolbarIdentifier,
             VLCOSDSettingToolbarIdentifier, VLCInputSettingToolbarIdentifier, VLCHotkeysSettingToolbarIdentifier,
             NSToolbarFlexibleSpaceItemIdentifier, nil];
}

- (NSArray *)toolbarSelectableItemIdentifiers:(NSToolbar *)toolbar
{
    return [NSArray arrayWithObjects:VLCIntfSettingToolbarIdentifier, VLCAudioSettingToolbarIdentifier, VLCVideoSettingToolbarIdentifier,
             VLCOSDSettingToolbarIdentifier, VLCInputSettingToolbarIdentifier, VLCHotkeysSettingToolbarIdentifier, nil];
}

- (void)initStrings
{
    /* audio */
    [o_audio_dolby_txt setStringValue: _NS("Force detection of Dolby Surround")];
    [o_audio_effects_box setTitle: _NS("Audio Effects")];
    [o_audio_enable_ckb setTitle: _NS("Enable audio")];
    [o_audio_general_box setTitle: _NS("General Audio")];
    [o_audio_lang_txt setStringValue: _NS("Preferred Audio language")];
    [o_audio_last_ckb setTitle: _NS("Enable Last.fm submissions")];
    [o_audio_lastpwd_txt setStringValue: _NS("Password")];
    [o_audio_lastuser_txt setStringValue: _NS("User name")];
    [o_audio_spdif_ckb setTitle: _NS("Use S/PDIF when available")];
    [o_audio_visual_txt setStringValue: _NS("Visualization")];
    [o_audio_autosavevol_yes_bcell setTitle: _NS("Keep audio level between sessions")];
    [o_audio_autosavevol_no_bcell setTitle: _NS("Always reset audio start level to:")];

    /* hotkeys */
    [o_hotkeys_change_btn setTitle: _NS("Change")];
    [o_hotkeys_change_win setTitle: _NS("Change Hotkey")];
    [o_hotkeys_change_cancel_btn setTitle: _NS("Cancel")];
    [o_hotkeys_change_ok_btn setTitle: _NS("OK")];
    [o_hotkeys_clear_btn setTitle: _NS("Clear")];
    [o_hotkeys_lbl setStringValue: _NS("Select an action to change the associated hotkey:")];
    [[[o_hotkeys_listbox tableColumnWithIdentifier: @"action"] headerCell] setStringValue: _NS("Action")];
    [[[o_hotkeys_listbox tableColumnWithIdentifier: @"shortcut"] headerCell] setStringValue: _NS("Shortcut")];

    /* input */
    [o_input_record_box setTitle: _NS("Record directory or filename")];
    [o_input_record_btn setTitle: _NS("Browse...")];
    [o_input_record_btn setToolTip: _NS("Directory or filename where the records will be stored")];
    [o_input_avi_txt setStringValue: _NS("Repair AVI Files")];
    [o_input_cachelevel_txt setStringValue: _NS("Default Caching Level")];
    [o_input_caching_box setTitle: _NS("Caching")];
    [o_input_cachelevel_custom_txt setStringValue: _NS("Use the complete preferences to configure custom caching values for each access module.")];
    [o_input_mux_box setTitle: _NS("Codecs / Muxers")];
    [o_input_net_box setTitle: _NS("Network")];
    [o_input_avcodec_hw_txt setStringValue: _NS("Hardware Acceleration")];
    [o_input_postproc_txt setStringValue: _NS("Post-Processing Quality")];
    [o_input_rtsp_ckb setTitle: _NS("Use RTP over RTSP (TCP)")];
    [o_input_skipLoop_txt setStringValue: _NS("Skip the loop filter for H.264 decoding")];
    [o_input_mkv_preload_dir_ckb setTitle: _NS("Preload MKV files in the same directory")];
    [o_input_urlhandler_btn setTitle: _NS("Edit default application settings for network protocols")];

    /* url handler */
    [o_urlhandler_title_txt setStringValue: _NS("Open network streams using the following protocols")];
    [o_urlhandler_subtitle_txt setStringValue: _NS("Note that these are system-wide settings.")];
    [o_urlhandler_save_btn setTitle: _NS("Save")];
    [o_urlhandler_cancel_btn setTitle: _NS("Cancel")];

    /* interface */
    [o_intf_language_txt setStringValue: _NS("Language")];
    [o_intf_style_txt setStringValue: _NS("Interface style")];
    [o_intf_style_dark_bcell setTitle: _NS("Dark")];
    [o_intf_style_bright_bcell setTitle: _NS("Bright")];
    [o_intf_embedded_ckb setTitle: _NS("Show video within the main window")];
    [o_intf_nativefullscreen_ckb setTitle: _NS("Use the native fullscreen mode")];
    [o_intf_fspanel_ckb setTitle: _NS("Show Fullscreen Controller")];
    [o_intf_network_box setTitle: _NS("Privacy / Network Interaction")];
    [o_intf_appleremote_ckb setTitle: _NS("Control playback with the Apple Remote")];
    [o_intf_appleremote_sysvol_ckb setTitle: _NS("Control system volume with the Apple Remote")];
    [o_intf_mediakeys_ckb setTitle: _NS("Control playback with media keys")];
    [o_intf_art_ckb setTitle: _NS("Allow metadata network access")];
    [o_intf_update_ckb setTitle: _NS("Automatically check for updates")];
    [o_intf_last_update_lbl setStringValue: @""];
    [o_intf_enableGrowl_ckb setTitle: _NS("Enable Growl notifications (on playlist item change)")];
    [o_intf_autoresize_ckb setTitle: _NS("Resize interface to the native video size")];
    [o_intf_pauseminimized_ckb setTitle: _NS("Pause the video playback when minimized")];
    [o_intf_luahttp_box setTitle:_NS("Lua HTTP")];
    [o_intf_luahttppwd_lbl setStringValue:_NS("Password")];
    [o_intf_pauseitunes_lbl setStringValue:_NS("Control external music players")];
    [o_intf_continueplayback_lbl setStringValue:_NS("Continue playback")];

    /* Subtitles and OSD */
    [o_osd_encoding_txt setStringValue: _NS("Default Encoding")];
    [o_osd_font_box setTitle: _NS("Display Settings")];
    [o_osd_font_btn setTitle: _NS("Choose...")];
    [o_osd_font_color_txt setStringValue: _NS("Font color")];
    [o_osd_font_size_txt setStringValue: _NS("Font size")];
    [o_osd_font_txt setStringValue: _NS("Font")];
    [o_osd_lang_box setTitle: _NS("Subtitle languages")];
    [o_osd_lang_txt setStringValue: _NS("Preferred subtitle language")];
    [o_osd_osd_box setTitle: _NS("On Screen Display")];
    [o_osd_osd_ckb setTitle: _NS("Enable OSD")];
    [o_osd_opacity_txt setStringValue: _NS("Opacity")];
    [o_osd_forcebold_ckb setTitle: _NS("Force bold")];
    [o_osd_outline_color_txt setStringValue: _NS("Outline color")];
    [o_osd_outline_thickness_txt setStringValue: _NS("Outline thickness")];

    /* video */
    [o_video_black_ckb setTitle: _NS("Black screens in Fullscreen mode")];
    [o_video_device_txt setStringValue: _NS("Fullscreen Video Device")];
    [o_video_display_box setTitle: _NS("Display")];
    [o_video_enable_ckb setTitle: _NS("Enable video")];
    [o_video_fullscreen_ckb setTitle: _NS("Fullscreen")];
    [o_video_videodeco_ckb setTitle: _NS("Window decorations")];
    [o_video_onTop_ckb setTitle: _NS("Float on Top")];
    [o_video_skipFrames_ckb setTitle: _NS("Skip frames")];
    [o_video_snap_box setTitle: _NS("Video snapshots")];
    [o_video_snap_folder_btn setTitle: _NS("Browse...")];
    [o_video_snap_folder_txt setStringValue: _NS("Folder")];
    [o_video_snap_format_txt setStringValue: _NS("Format")];
    [o_video_snap_prefix_txt setStringValue: _NS("Prefix")];
    [o_video_snap_seqnum_ckb setTitle: _NS("Sequential numbering")];
    [o_video_deinterlace_txt setStringValue: _NS("Deinterlace")];
    [o_video_deinterlace_mode_txt setStringValue: _NS("Deinterlace mode")];
    [o_video_video_box setTitle: _NS("Video")];

    /* generic stuff */
    [o_sprefs_showAll_btn setTitle: _NS("Show All")];
    [o_sprefs_cancel_btn setTitle: _NS("Cancel")];
    [o_sprefs_reset_btn setTitle: _NS("Reset All")];
    [o_sprefs_save_btn setTitle: _NS("Save")];
    [o_sprefs_win setTitle: _NS("Preferences")];
}

/* TODO: move this part to core */
#define config_GetLabel(a,b) __config_GetLabel(VLC_OBJECT(a),b)
static inline char * __config_GetLabel(vlc_object_t *p_this, const char *psz_name)
{
    module_config_t *p_config;

    p_config = config_FindConfig(p_this, psz_name);

    /* sanity checks */
    if (!p_config) {
        msg_Err(p_this, "option %s does not exist", psz_name);
        return NULL;
    }

    if (p_config->psz_longtext)
        return p_config->psz_longtext;
    else if (p_config->psz_text)
        return p_config->psz_text;
    else
        msg_Warn(p_this, "option %s does not include any help", psz_name);

    return NULL;
}

#pragma mark -
#pragma mark Setup controls

- (void)setupButton: (NSPopUpButton *)object forStringList: (const char *)name
{
    module_config_t *p_item;

    [object removeAllItems];
    p_item = config_FindConfig(VLC_OBJECT(p_intf), name);
    /* serious problem, if no item found */
    assert(p_item);

    char **values, **texts;
    ssize_t count = config_GetPszChoices(VLC_OBJECT(VLCIntf), name,
                                         &values, &texts);
    if (count < 0) {
        msg_Err(p_intf, "Cannot get choices for %s", name);
        return;
    }
    for (ssize_t i = 0; i < count && texts; i++) {
        if (texts[i] == NULL || values[i] == NULL)
            continue;

        if (strcmp(texts[i], "") != 0) {
            NSMenuItem *mi = [[NSMenuItem alloc] initWithTitle: toNSStr(texts[i]) action: NULL keyEquivalent: @""];
            [mi setRepresentedObject: toNSStr(values[i])];
            [[object menu] addItem: [mi autorelease]];

            if (p_item->value.psz && !strcmp(p_item->value.psz, values[i]))
                [object selectItem: [object lastItem]];
            
        } else {
            [[object menu] addItem: [NSMenuItem separatorItem]];
        }

        free(texts[i]);
        free(values[i]);
    }

    free(texts);
    free(values);

    if (p_item->psz_longtext)
        [object setToolTip: _NS(p_item->psz_longtext)];
}

// just for clarification that this is a module list
- (void)setupButton: (NSPopUpButton *)object forModuleList: (const char *)name
{
    [self setupButton: object forStringList: name];
}

- (void)setupButton: (NSPopUpButton *)object forIntList: (const char *)name
{
    module_config_t *p_item;

    [object removeAllItems];
    p_item = config_FindConfig(VLC_OBJECT(p_intf), name);

    /* serious problem, if no item found */
    assert(p_item);

    int64_t *values;
    char **texts;
    ssize_t count = config_GetIntChoices(VLC_OBJECT(VLCIntf), name, &values, &texts);
    for (ssize_t i = 0; i < count; i++) {
        NSMenuItem *mi = [[NSMenuItem alloc] initWithTitle: toNSStr(texts[i]) action: NULL keyEquivalent: @""];
        [mi setRepresentedObject:[NSNumber numberWithInt:values[i]]];
        [[object menu] addItem: [mi autorelease]];

        if (p_item->value.i == values[i])
            [object selectItem:[object lastItem]];

        free(texts[i]);
    }
    free(texts);

    if (p_item->psz_longtext)
        [object setToolTip: _NS(p_item->psz_longtext)];
}

- (void)setupButton: (NSButton *)object forBoolValue: (const char *)name
{
    [object setState: config_GetInt(p_intf, name)];
    [object setToolTip: _NS(config_GetLabel(p_intf, name))];
}

- (void)setupField:(NSTextField *)o_object forOption:(const char *)psz_option
{
    char *psz_tmp = config_GetPsz(p_intf, psz_option);
    [o_object setStringValue: [NSString stringWithUTF8String:psz_tmp ?: ""]];
    [o_object setToolTip: _NS(config_GetLabel(p_intf, psz_option))];
    free(psz_tmp);
}

- (void)resetControls
{
    module_config_t *p_item;
    int i, y = 0;
    char *psz_tmp;

    /**********************
     * interface settings *
     **********************/
    NSUInteger sel = 0;
    const char *pref = NULL;
    pref = [[[NSUserDefaults standardUserDefaults] objectForKey:@"language"] UTF8String];
    for (int x = 0; ppsz_language[x] != NULL; x++) {
        [o_intf_language_pop addItemWithTitle:[NSString stringWithUTF8String:ppsz_language_text[x]]];
        if (pref) {
            if (!strcmp(ppsz_language[x], pref))
                sel = x;
        }
    }
    [o_intf_language_pop selectItemAtIndex:sel];

    [self setupButton: o_intf_art_ckb forBoolValue: "metadata-network-access"];

    [self setupButton: o_intf_fspanel_ckb forBoolValue: "macosx-fspanel"];

    [self setupButton: o_intf_nativefullscreen_ckb forBoolValue: "macosx-nativefullscreenmode"];
    BOOL b_correct_sdk = NO;
#ifdef MAC_OS_X_VERSION_10_7
    b_correct_sdk = YES;
#endif
    if (!(b_correct_sdk && !OSX_SNOW_LEOPARD)) {
        [o_intf_nativefullscreen_ckb setState: NSOffState];
        [o_intf_nativefullscreen_ckb setEnabled: NO];
    }

    [self setupButton: o_intf_embedded_ckb forBoolValue: "embedded-video"];

    [self setupButton: o_intf_appleremote_ckb forBoolValue: "macosx-appleremote"];
    [self setupButton: o_intf_appleremote_sysvol_ckb forBoolValue: "macosx-appleremote-sysvol"];

    [self setupButton: o_intf_mediakeys_ckb forBoolValue: "macosx-mediakeys"];
    if ([[SUUpdater sharedUpdater] lastUpdateCheckDate] != NULL)
        [o_intf_last_update_lbl setStringValue: [NSString stringWithFormat: _NS("Last check on: %@"), [[[SUUpdater sharedUpdater] lastUpdateCheckDate] descriptionWithLocale: [[NSUserDefaults standardUserDefaults] dictionaryRepresentation]]]];
    else
        [o_intf_last_update_lbl setStringValue: _NS("No check was performed yet.")];
    psz_tmp = config_GetPsz(p_intf, "control");
    if (psz_tmp) {
        [o_intf_enableGrowl_ckb setState: (NSInteger)strstr(psz_tmp, "growl")];
        free(psz_tmp);
    } else
        [o_intf_enableGrowl_ckb setState: NSOffState];
    if (config_GetInt(p_intf, "macosx-interfacestyle")) {
        [o_intf_style_dark_bcell setState: YES];
        [o_intf_style_bright_bcell setState: NO];
    } else {
        [o_intf_style_dark_bcell setState: NO];
        [o_intf_style_bright_bcell setState: YES];
    }
    [self setupButton: o_intf_autoresize_ckb forBoolValue: "macosx-video-autoresize"];
    [self setupButton: o_intf_pauseminimized_ckb forBoolValue: "macosx-pause-minimized"];
    [self setupField: o_intf_luahttppwd_fld forOption: "http-password"];
    [self setupButton: o_intf_pauseitunes_pop forIntList: "macosx-control-itunes"];
    [self setupButton: o_intf_continueplayback_pop forIntList: "macosx-continue-playback"];

    /******************
     * audio settings *
     ******************/
    [self setupButton: o_audio_enable_ckb forBoolValue: "audio"];

    if (config_GetInt(p_intf, "volume-save")) {
        [o_audio_autosavevol_yes_bcell setState: NSOnState];
        [o_audio_autosavevol_no_bcell setState: NSOffState];
        [o_audio_vol_fld setEnabled: NO];
        [o_audio_vol_sld setEnabled: NO];

        [o_audio_vol_sld setIntValue: 100];
        [o_audio_vol_fld setIntValue: 100];
    } else {
        [o_audio_autosavevol_yes_bcell setState: NSOffState];
        [o_audio_autosavevol_no_bcell setState: NSOnState];
        [o_audio_vol_fld setEnabled: YES];
        [o_audio_vol_sld setEnabled: YES];

        i = var_InheritInteger(p_intf, "auhal-volume");
        i = i * 200. / AOUT_VOLUME_MAX;
        [o_audio_vol_sld setIntValue: i];
        [o_audio_vol_fld setIntValue: i];
    }

    [self setupButton: o_audio_spdif_ckb forBoolValue: "spdif"];

    [self setupButton: o_audio_dolby_pop forIntList: "force-dolby-surround"];
    [self setupField: o_audio_lang_fld forOption: "audio-language"];

    [self setupButton: o_audio_visual_pop forModuleList: "audio-visual"];

    /* Last.FM is optional */
    if (module_exists("audioscrobbler")) {
        [self setupField: o_audio_lastuser_fld forOption:"lastfm-username"];
        [self setupField: o_audio_lastpwd_sfld forOption:"lastfm-password"];

        if (config_ExistIntf(VLC_OBJECT(p_intf), "audioscrobbler")) {
            [o_audio_last_ckb setState: NSOnState];
            [o_audio_lastuser_fld setEnabled: YES];
            [o_audio_lastpwd_sfld setEnabled: YES];
        } else {
            [o_audio_last_ckb setState: NSOffState];
            [o_audio_lastuser_fld setEnabled: NO];
            [o_audio_lastpwd_sfld setEnabled: NO];
        }
    } else
        [o_audio_last_ckb setEnabled: NO];

    /******************
     * video settings *
     ******************/
    [self setupButton: o_video_enable_ckb forBoolValue: "video"];
    [self setupButton: o_video_fullscreen_ckb forBoolValue: "fullscreen"];
    [self setupButton: o_video_onTop_ckb forBoolValue: "video-on-top"];
    [self setupButton: o_video_skipFrames_ckb forBoolValue: "skip-frames"];
    [self setupButton: o_video_black_ckb forBoolValue: "macosx-black"];
    [self setupButton: o_video_videodeco_ckb forBoolValue: "video-deco"];

    [o_video_device_pop removeAllItems];
    i = 0;
    y = [[NSScreen screens] count];
    [o_video_device_pop addItemWithTitle: _NS("Default")];
    [[o_video_device_pop lastItem] setTag: 0];
    while (i < y) {
        NSRect s_rect = [[[NSScreen screens] objectAtIndex:i] frame];
        [o_video_device_pop addItemWithTitle:
         [NSString stringWithFormat: @"%@ %i (%ix%i)", _NS("Screen"), i+1,
                   (int)s_rect.size.width, (int)s_rect.size.height]];
        [[o_video_device_pop lastItem] setTag: (int)[[[NSScreen screens] objectAtIndex:i] displayID]];
        i++;
    }
    [o_video_device_pop selectItemAtIndex: 0];
    [o_video_device_pop selectItemWithTag: config_GetInt(p_intf, "macosx-vdev")];

    [self setupField: o_video_snap_folder_fld forOption:"snapshot-path"];
    [self setupField: o_video_snap_prefix_fld forOption:"snapshot-prefix"];
    [self setupButton: o_video_snap_seqnum_ckb forBoolValue: "snapshot-sequential"];
    [self setupButton: o_video_snap_format_pop forStringList: "snapshot-format"];
    [self setupButton: o_video_deinterlace_pop forIntList: "deinterlace"];
    [self setupButton: o_video_deinterlace_mode_pop forStringList: "deinterlace-mode"];

    // set lion fullscreen mode restrictions
    [self enableLionFullscreenMode: [o_intf_nativefullscreen_ckb state]];

    /***************************
     * input & codecs settings *
     ***************************/
    [self setupField: o_input_record_fld forOption:"input-record-path"];
    [o_input_postproc_fld setIntValue: config_GetInt(p_intf, "postproc-q")];
    [o_input_postproc_fld setToolTip: _NS(config_GetLabel(p_intf, "postproc-q"))];
    [self setupButton: o_input_avcodec_hw_pop forModuleList: "avcodec-hw"];

    [self setupButton: o_input_avi_pop forIntList: "avi-index"];

    [self setupButton: o_input_rtsp_ckb forBoolValue: "rtsp-tcp"];
    [self setupButton: o_input_skipLoop_pop forIntList: "avcodec-skiploopfilter"];

    [self setupButton: o_input_mkv_preload_dir_ckb forBoolValue: "mkv-preload-local-dir"];

    [o_input_cachelevel_pop removeAllItems];
    [o_input_cachelevel_pop addItemsWithTitles: [NSArray arrayWithObjects:_NS("Custom"), _NS("Lowest latency"),
     _NS("Low latency"), _NS("Normal"), _NS("High latency"), _NS("Higher latency"), nil]];
    [[o_input_cachelevel_pop itemAtIndex: 0] setTag: 0];
    [[o_input_cachelevel_pop itemAtIndex: 1] setTag: 100];
    [[o_input_cachelevel_pop itemAtIndex: 2] setTag: 200];
    [[o_input_cachelevel_pop itemAtIndex: 3] setTag: 300];
    [[o_input_cachelevel_pop itemAtIndex: 4] setTag: 500];
    [[o_input_cachelevel_pop itemAtIndex: 5] setTag: 1000];

    #define TestCaC(name, factor) \
    b_cache_equal =  b_cache_equal && \
    (i_cache * factor == config_GetInt(p_intf, name));

    /* Select the accurate value of the PopupButton */
    bool b_cache_equal = true;
    int i_cache = config_GetInt(p_intf, "file-caching");

    TestCaC("network-caching", 10/3);
    TestCaC("disc-caching", 1);
    TestCaC("live-caching", 1);
    if (b_cache_equal) {
        [o_input_cachelevel_pop selectItemWithTag: i_cache];
        [o_input_cachelevel_custom_txt setHidden: YES];
    } else {
        [o_input_cachelevel_pop selectItemWithTitle: _NS("Custom")];
        [o_input_cachelevel_custom_txt setHidden: NO];
    }
    #undef TestCaC

    /*********************
     * subtitle settings *
     *********************/
    [self setupButton: o_osd_osd_ckb forBoolValue: "osd"];

    [self setupButton: o_osd_encoding_pop forStringList: "subsdec-encoding"];
    [self setupField: o_osd_lang_fld forOption: "sub-language" ];

    [self setupField: o_osd_font_fld forOption: "freetype-font"];
    [self setupButton: o_osd_font_color_pop forIntList: "freetype-color"];
    [self setupButton: o_osd_font_size_pop forIntList: "freetype-rel-fontsize"];
    i = config_GetInt(p_intf, "freetype-opacity") * 100.0 / 255.0 + 0.5;
    [o_osd_opacity_fld setIntValue: i];
    [o_osd_opacity_sld setIntValue: i];
    [o_osd_opacity_sld setToolTip: _NS(config_GetLabel(p_intf, "freetype-opacity"))];
    [o_osd_opacity_fld setToolTip: [o_osd_opacity_sld toolTip]];
    [self setupButton: o_osd_forcebold_ckb forBoolValue: "freetype-bold"];
    [self setupButton: o_osd_outline_color_pop forIntList: "freetype-outline-color"];
    [self setupButton: o_osd_outline_thickness_pop forIntList: "freetype-outline-thickness"];

    /********************
     * hotkeys settings *
     ********************/
    const struct hotkey *p_hotkeys = p_intf->p_libvlc->p_hotkeys;
    [o_hotkeySettings release];
    o_hotkeySettings = [[NSMutableArray alloc] init];
    NSMutableArray *o_tempArray_desc = [[NSMutableArray alloc] init];
    NSMutableArray *o_tempArray_names = [[NSMutableArray alloc] init];

    /* Get the main Module */
    module_t *p_main = module_get_main();
    assert(p_main);
    unsigned confsize;
    module_config_t *p_config;

    p_config = module_config_get (p_main, &confsize);

    for (size_t i = 0; i < confsize; i++) {
        module_config_t *p_item = p_config + i;

        if (CONFIG_ITEM(p_item->i_type) && p_item->psz_name != NULL
           && !strncmp(p_item->psz_name , "key-", 4)
           && !EMPTY_STR(p_item->psz_text)) {
            [o_tempArray_desc addObject: _NS(p_item->psz_text)];
            [o_tempArray_names addObject: [NSString stringWithUTF8String:p_item->psz_name]];
            if (p_item->value.psz)
                [o_hotkeySettings addObject: [NSString stringWithUTF8String:p_item->value.psz]];
            else
                [o_hotkeySettings addObject: [NSString string]];
        }
    }
    module_config_free (p_config);

    [o_hotkeyDescriptions release];
    o_hotkeyDescriptions = [[NSArray alloc] initWithArray: o_tempArray_desc copyItems: YES];
    [o_tempArray_desc release];
    [o_hotkeyNames release];
    o_hotkeyNames = [[NSArray alloc] initWithArray: o_tempArray_names copyItems: YES];
    [o_tempArray_names release];
    [o_hotkeys_listbox reloadData];
}

#pragma mark -
#pragma mark General actions

- (void)showSimplePrefs
{
    /* we want to show the interface settings, if no category was chosen */
    if ([[o_sprefs_win toolbar] selectedItemIdentifier] == nil) {
        [[o_sprefs_win toolbar] setSelectedItemIdentifier: VLCIntfSettingToolbarIdentifier];
        [self showInterfaceSettings];
    }

    [self resetControls];

    [o_sprefs_win center];
    [o_sprefs_win makeKeyAndOrderFront: self];
}

- (void)showSimplePrefsWithLevel:(NSInteger)i_window_level
{
    [o_sprefs_win setLevel: i_window_level];
    [self showSimplePrefs];
}

- (IBAction)buttonAction:(id)sender
{
    if (sender == o_sprefs_cancel_btn) {
        [[NSFontPanel sharedFontPanel] close];
        [o_sprefs_win orderOut: sender];
    } else if (sender == o_sprefs_save_btn) {
        [self saveChangedSettings];
        [[NSFontPanel sharedFontPanel] close];
        [o_sprefs_win orderOut: sender];
    } else if (sender == o_sprefs_showAll_btn) {
        [o_sprefs_win orderOut: self];
        [[[VLCMain sharedInstance] preferences] showPrefsWithLevel:[o_sprefs_win level]];
    } else
        msg_Warn(p_intf, "unknown buttonAction sender");
}

- (IBAction)resetPreferences:(NSControl *)sender
{
    NSBeginInformationalAlertSheet(_NS("Reset Preferences"), _NS("Cancel"),
                                   _NS("Continue"), nil, [sender window], self,
                                   @selector(sheetDidEnd: returnCode: contextInfo:), NULL, nil, @"%@",
                                   _NS("This will reset VLC media player's preferences.\n\n"
                                       "Note that VLC will restart during the process, so your current "
                                       "playlist will be emptied and eventual playback, streaming or "
                                       "transcoding activities will stop immediately.\n\n"
                                       "The Media Library will not be affected.\n\n"
                                       "Are you sure you want to continue?"));
}

- (void)sheetDidEnd:(NSWindow *)o_sheet
         returnCode:(int)i_return
        contextInfo:(void *)o_context
{
    if (i_return == NSAlertAlternateReturn) {
        /* reset VLC's config */
        config_ResetAll(p_intf);
        [self resetControls];

        /* force config file creation, since libvlc won't exit normally */
        config_SaveConfigFile(p_intf);

        /* reset OS X defaults */
        [[VLCMain sharedInstance] resetAndReinitializeUserDefaults];

        /* Relaunch now */
        const char * path = [[[NSBundle mainBundle] executablePath] UTF8String];

        /* For some reason we need to fork(), not just execl(), which reports a ENOTSUP then. */
        if (fork() != 0) {
            exit(0);
            return;
        }
        execl(path, path, NULL);
    }
}

static inline void save_int_list(intf_thread_t * p_intf, id object, const char * name)
{
    NSNumber *p_valueobject = (NSNumber *)[[object selectedItem] representedObject];
    if (p_valueobject) {
        assert([p_valueobject isKindOfClass:[NSNumber class]]);
        config_PutInt(p_intf, name, [p_valueobject intValue]);
    }
}

static inline void save_string_list(intf_thread_t * p_intf, id object, const char * name)
{
    NSString *p_stringobject = (NSString *)[[object selectedItem] representedObject];
    if (p_stringobject) {
        assert([p_stringobject isKindOfClass:[NSString class]]);
        config_PutPsz(p_intf, name, [p_stringobject UTF8String]);
    }
}

- (void)saveChangedSettings
{
    NSString *tmpString;
    NSRange tmpRange;

#define SaveIntList(object, name) save_int_list(p_intf, object, name)

#define SaveStringList(object, name) save_string_list(p_intf, object, name)
#define SaveModuleList(object, name) SaveStringList(object, name)

#define getString(name) [NSString stringWithFormat:@"%s", config_GetPsz(p_intf, name)]

    /**********************
     * interface settings *
     **********************/
    if (b_intfSettingChanged) {
        NSUInteger index = [o_intf_language_pop indexOfSelectedItem];
        NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
        [defaults setObject:[NSString stringWithUTF8String:ppsz_language[index]] forKey:@"language"];
        [defaults synchronize];

        config_PutInt(p_intf, "metadata-network-access", [o_intf_art_ckb state]);

        config_PutInt(p_intf, "macosx-fspanel", [o_intf_fspanel_ckb state]);
        config_PutInt(p_intf, "embedded-video", [o_intf_embedded_ckb state]);

        config_PutInt(p_intf, "macosx-appleremote", [o_intf_appleremote_ckb state]);
        config_PutInt(p_intf, "macosx-appleremote-sysvol", [o_intf_appleremote_sysvol_ckb state]);
        config_PutInt(p_intf, "macosx-mediakeys", [o_intf_mediakeys_ckb state]);
        config_PutInt(p_intf, "macosx-interfacestyle", [o_intf_style_dark_bcell state]);
        config_PutInt(p_intf, "macosx-nativefullscreenmode", [o_intf_nativefullscreen_ckb state]);
        config_PutInt(p_intf, "macosx-pause-minimized", [o_intf_pauseminimized_ckb state]);
        config_PutInt(p_intf, "macosx-video-autoresize", [o_intf_autoresize_ckb state]);
        if ([o_intf_enableGrowl_ckb state] == NSOnState) {
            tmpString = getString("control");
            tmpRange = [tmpString rangeOfString:@"growl"];
            if ([tmpString length] > 0 && tmpRange.location == NSNotFound)
            {
                tmpString = [tmpString stringByAppendingString: @":growl"];
                config_PutPsz(p_intf, "control", [tmpString UTF8String]);
            }
            else
                config_PutPsz(p_intf, "control", "growl");
        } else {
            tmpString = getString("control");
            if (! [tmpString isEqualToString:@""])
            {
                tmpString = [tmpString stringByTrimmingCharactersInSet: [NSCharacterSet characterSetWithCharactersInString:@":growl"]];
                tmpString = [tmpString stringByTrimmingCharactersInSet: [NSCharacterSet characterSetWithCharactersInString:@"growl:"]];
                tmpString = [tmpString stringByTrimmingCharactersInSet: [NSCharacterSet characterSetWithCharactersInString:@"growl"]];
                config_PutPsz(p_intf, "control", [tmpString UTF8String]);
            }
        }
        config_PutPsz(p_intf, "http-password", [[o_intf_luahttppwd_fld stringValue] UTF8String]);

        SaveIntList(o_intf_pauseitunes_pop, "macosx-control-itunes");
        SaveIntList(o_intf_continueplayback_pop, "macosx-continue-playback");

        /* activate stuff without restart */
        if ([o_intf_appleremote_ckb state] == YES)
            [[[VLCMain sharedInstance] appleRemoteController] startListening: [VLCMain sharedInstance]];
        else
            [[[VLCMain sharedInstance] appleRemoteController] stopListening: [VLCMain sharedInstance]];
        b_intfSettingChanged = NO;
    }

    /******************
     * audio settings *
     ******************/
    if (b_audioSettingChanged) {
        config_PutInt(p_intf, "audio", [o_audio_enable_ckb state]);
        config_PutInt(p_intf, "volume-save", [o_audio_autosavevol_yes_bcell state]);
        var_SetBool(p_intf, "volume-save", [o_audio_autosavevol_yes_bcell state]);
        config_PutInt(p_intf, "spdif", [o_audio_spdif_ckb state]);
        if ([o_audio_vol_fld isEnabled])
            config_PutInt(p_intf, "auhal-volume", ([o_audio_vol_fld intValue] * AOUT_VOLUME_MAX) / 200);

        SaveIntList(o_audio_dolby_pop, "force-dolby-surround");

        config_PutPsz(p_intf, "audio-language", [[o_audio_lang_fld stringValue] UTF8String]);

        SaveModuleList(o_audio_visual_pop, "audio-visual");

        /* Last.FM is optional */
        if (module_exists("audioscrobbler")) {
            [o_audio_last_ckb setEnabled: YES];
            if ([o_audio_last_ckb state] == NSOnState)
                config_AddIntf(p_intf, "audioscrobbler");
            else
                config_RemoveIntf(p_intf, "audioscrobbler");

            config_PutPsz(p_intf, "lastfm-username", [[o_audio_lastuser_fld stringValue] UTF8String]);
            config_PutPsz(p_intf, "lastfm-password", [[o_audio_lastpwd_sfld stringValue] UTF8String]);
        }
        else
            [o_audio_last_ckb setEnabled: NO];
        b_audioSettingChanged = NO;
    }

    /******************
     * video settings *
     ******************/
    if (b_videoSettingChanged) {
        config_PutInt(p_intf, "video", [o_video_enable_ckb state]);
        config_PutInt(p_intf, "fullscreen", [o_video_fullscreen_ckb state]);
        config_PutInt(p_intf, "video-deco", [o_video_videodeco_ckb state]);
        config_PutInt(p_intf, "video-on-top", [o_video_onTop_ckb state]);
        config_PutInt(p_intf, "skip-frames", [o_video_skipFrames_ckb state]);
        config_PutInt(p_intf, "macosx-black", [o_video_black_ckb state]);

        config_PutInt(p_intf, "macosx-vdev", [[o_video_device_pop selectedItem] tag]);

        config_PutPsz(p_intf, "snapshot-path", [[o_video_snap_folder_fld stringValue] UTF8String]);
        config_PutPsz(p_intf, "snapshot-prefix", [[o_video_snap_prefix_fld stringValue] UTF8String]);
        config_PutInt(p_intf, "snapshot-sequential", [o_video_snap_seqnum_ckb state]);
        SaveStringList(o_video_snap_format_pop, "snapshot-format");
        SaveIntList(o_video_deinterlace_pop, "deinterlace");
        SaveStringList(o_video_deinterlace_mode_pop, "deinterlace-mode");
        b_videoSettingChanged = NO;
    }

    /***************************
     * input & codecs settings *
     ***************************/
    if (b_inputSettingChanged) {
        config_PutPsz(p_intf, "input-record-path", [[o_input_record_fld stringValue] UTF8String]);
        config_PutInt(p_intf, "postproc-q", [o_input_postproc_fld intValue]);

        SaveIntList(o_input_avi_pop, "avi-index");

        config_PutInt(p_intf, "rtsp-tcp", [o_input_rtsp_ckb state]);
        SaveModuleList(o_input_avcodec_hw_pop, "avcodec-hw");
        SaveIntList(o_input_skipLoop_pop, "avcodec-skiploopfilter");

        config_PutInt(p_intf, "mkv-preload-local-dir", [o_input_mkv_preload_dir_ckb state]);

        #define CaC(name, factor) config_PutInt(p_intf, name, [[o_input_cachelevel_pop selectedItem] tag] * factor)
        if ([[o_input_cachelevel_pop selectedItem] tag] == 0) {
            msg_Dbg(p_intf, "Custom chosen, not adjusting cache values");
        } else {
            msg_Dbg(p_intf, "Adjusting all cache values to: %i", (int)[[o_input_cachelevel_pop selectedItem] tag]);
            CaC("file-caching", 1);
            CaC("network-caching", 10/3);
            CaC("disc-caching", 1);
            CaC("live-caching", 1);
        }
        #undef CaC
        b_inputSettingChanged = NO;
    }

    /**********************
     * subtitles settings *
     **********************/
    if (b_osdSettingChanged) {
        config_PutInt(p_intf, "osd", [o_osd_osd_ckb state]);

        if ([o_osd_encoding_pop indexOfSelectedItem] >= 0)
            SaveStringList(o_osd_encoding_pop, "subsdec-encoding");
        else
            config_PutPsz(p_intf, "subsdec-encoding", "");

        config_PutPsz(p_intf, "sub-language", [[o_osd_lang_fld stringValue] UTF8String]);

        config_PutPsz(p_intf, "freetype-font", [[o_osd_font_fld stringValue] UTF8String]);
        SaveIntList(o_osd_font_color_pop, "freetype-color");
        SaveIntList(o_osd_font_size_pop, "freetype-rel-fontsize");
        config_PutInt(p_intf, "freetype-opacity", [o_osd_opacity_fld intValue] * 255.0 / 100.0 + 0.5);
        config_PutInt(p_intf, "freetype-bold", [o_osd_forcebold_ckb state]);
        SaveIntList(o_osd_outline_color_pop, "freetype-outline-color");
        SaveIntList(o_osd_outline_thickness_pop, "freetype-outline-thickness");
        b_osdSettingChanged = NO;
    }

    /********************
     * hotkeys settings *
     ********************/
    if (b_hotkeyChanged) {
        NSUInteger hotKeyCount = [o_hotkeySettings count];
        for (NSUInteger i = 0; i < hotKeyCount; i++)
            config_PutPsz(p_intf, [[o_hotkeyNames objectAtIndex:i] UTF8String], [[o_hotkeySettings objectAtIndex:i]UTF8String]);
        b_hotkeyChanged = NO;
    }

    [[VLCCoreInteraction sharedInstance] fixPreferences];

    /* okay, let's save our changes to vlcrc */
    config_SaveConfigFile(p_intf);

    [[NSNotificationCenter defaultCenter] postNotificationName: @"VLCMediaKeySupportSettingChanged"
                                                            object: nil
                                                          userInfo: nil];
}

- (void)showSettingsForCategory: (id)o_new_category_view
{
    NSRect o_win_rect, o_view_rect, o_old_view_rect;
    o_win_rect = [o_sprefs_win frame];
    o_view_rect = [o_new_category_view frame];

    if (o_currentlyShownCategoryView == o_new_category_view)
        return;

    if (o_currentlyShownCategoryView != nil) {
        /* restore our window's height, if we've shown another category previously */
        o_old_view_rect = [o_currentlyShownCategoryView frame];
        o_win_rect.size.height = o_win_rect.size.height - o_old_view_rect.size.height;
        o_win_rect.origin.y = (o_win_rect.origin.y + o_old_view_rect.size.height) - o_view_rect.size.height;
    }

    o_win_rect.size.height = o_win_rect.size.height + o_view_rect.size.height;

    [o_new_category_view setFrame: NSMakeRect(0,
                                               [o_sprefs_controls_box frame].size.height,
                                               o_view_rect.size.width,
                                               o_view_rect.size.height)];
    [o_new_category_view setAutoresizesSubviews: YES];
    if (o_currentlyShownCategoryView) {
        [[[o_sprefs_win contentView] animator] replaceSubview: o_currentlyShownCategoryView with: o_new_category_view];
        [o_currentlyShownCategoryView release];
        [[o_sprefs_win animator] setFrame: o_win_rect display:YES];
    } else {
        [[o_sprefs_win contentView] addSubview: o_new_category_view];
        [o_sprefs_win setFrame: o_win_rect display:YES animate:NO];
    }

    /* keep our current category for further reference */
    o_currentlyShownCategoryView = o_new_category_view;
    [o_currentlyShownCategoryView retain];
}

#pragma mark -
#pragma mark Specific actions

// disables some video settings which do not work in lion mode
- (void)enableLionFullscreenMode: (BOOL)b_value
{
    [o_video_videodeco_ckb setEnabled: !b_value];
    [o_video_black_ckb setEnabled: !b_value];

    if (b_value) {
        [o_video_videodeco_ckb setState: NSOnState];
        [o_video_black_ckb setState: NSOffState];

        NSString *o_tooltipText = _NS("This setting cannot be changed because the native fullscreen mode is enabled.");
        [o_video_videodeco_ckb setToolTip: o_tooltipText];
        [o_video_black_ckb setToolTip: o_tooltipText];
    } else {
        [self setupButton: o_video_videodeco_ckb forBoolValue: "video-deco"];
        [self setupButton: o_video_black_ckb forBoolValue: "macosx-black"];
    }
}

- (IBAction)interfaceSettingChanged:(id)sender
{
    if (sender == o_intf_nativefullscreen_ckb)
        [self enableLionFullscreenMode:[sender state]];

    b_intfSettingChanged = YES;
}

- (void)showInterfaceSettings
{
    [self showSettingsForCategory: o_intf_view];
}

- (IBAction)audioSettingChanged:(id)sender
{
    if (sender == o_audio_vol_sld)
        [o_audio_vol_fld setIntValue: [o_audio_vol_sld intValue]];

    if (sender == o_audio_vol_fld)
        [o_audio_vol_sld setIntValue: [o_audio_vol_fld intValue]];

    if (sender == o_audio_last_ckb) {
        if ([o_audio_last_ckb state] == NSOnState) {
            [o_audio_lastpwd_sfld setEnabled: YES];
            [o_audio_lastuser_fld setEnabled: YES];
        } else {
            [o_audio_lastpwd_sfld setEnabled: NO];
            [o_audio_lastuser_fld setEnabled: NO];
        }
    }

    if (sender == o_audio_autosavevol_matrix) {
        BOOL enableVolumeSlider = [o_audio_autosavevol_matrix selectedTag] == 1;
        [o_audio_vol_fld setEnabled: enableVolumeSlider];
        [o_audio_vol_sld setEnabled: enableVolumeSlider];
    }

    b_audioSettingChanged = YES;
}

- (void)showAudioSettings
{
    [self showSettingsForCategory: o_audio_view];
}

- (IBAction)videoSettingChanged:(id)sender
{
    if (sender == o_video_snap_folder_btn) {
        o_selectFolderPanel = [[NSOpenPanel alloc] init];
        [o_selectFolderPanel setCanChooseDirectories: YES];
        [o_selectFolderPanel setCanChooseFiles: NO];
        [o_selectFolderPanel setResolvesAliases: YES];
        [o_selectFolderPanel setAllowsMultipleSelection: NO];
        [o_selectFolderPanel setMessage: _NS("Choose the folder to save your video snapshots to.")];
        [o_selectFolderPanel setCanCreateDirectories: YES];
        [o_selectFolderPanel setPrompt: _NS("Choose")];
        [o_selectFolderPanel beginSheetModalForWindow: o_sprefs_win completionHandler: ^(NSInteger returnCode) {
            if (returnCode == NSOKButton)
            {
                [o_video_snap_folder_fld setStringValue: [[o_selectFolderPanel URL] path]];
                b_videoSettingChanged = YES;
            }
        }];
        [o_selectFolderPanel release];
    } else
        b_videoSettingChanged = YES;
}

- (void)showVideoSettings
{
    [self showSettingsForCategory: o_video_view];
}

- (IBAction)osdSettingChanged:(id)sender
{
    if (sender == o_osd_opacity_fld)
        [o_osd_opacity_sld setIntValue: [o_osd_opacity_fld intValue]];

    if (sender == o_osd_opacity_sld)
        [o_osd_opacity_fld setIntValue: [o_osd_opacity_sld intValue]];

    b_osdSettingChanged = YES;
}

- (void)showOSDSettings
{
    [self showSettingsForCategory: o_osd_view];
}

- (void)controlTextDidChange:(NSNotification *)o_notification
{
    id notificationObject = [o_notification object];
    if (notificationObject == o_audio_lang_fld ||
       notificationObject ==  o_audio_lastpwd_sfld ||
       notificationObject ==  o_audio_lastuser_fld ||
       notificationObject == o_audio_vol_fld)
        b_audioSettingChanged = YES;
    else if (notificationObject == o_input_record_fld ||
            notificationObject == o_input_postproc_fld)
        b_inputSettingChanged = YES;
    else if (notificationObject == o_osd_font_fld ||
            notificationObject == o_osd_lang_fld ||
            notificationObject == o_osd_opacity_fld)
        b_osdSettingChanged = YES;
    else if (notificationObject == o_video_snap_folder_fld ||
            notificationObject == o_video_snap_prefix_fld)
        b_videoSettingChanged = YES;
    else if (notificationObject == o_intf_luahttppwd_fld)
        b_intfSettingChanged = YES;
}

- (IBAction)showFontPicker:(id)sender
{
    char * font = config_GetPsz(p_intf, "freetype-font");
    NSString * fontName = font ? [NSString stringWithUTF8String:font] : nil;
    free(font);
    if (fontName) {
        NSFont * font = [NSFont fontWithName:fontName size:0.0];
        [[NSFontManager sharedFontManager] setSelectedFont:font isMultiple:NO];
    }
    [[NSFontManager sharedFontManager] setTarget: self];
    [[NSFontPanel sharedFontPanel] setDelegate:self];
    [[NSFontPanel sharedFontPanel] makeKeyAndOrderFront:self];
}

- (void)changeFont:(id)sender
{
    NSFont *someFont = [NSFont systemFontOfSize:12];

    // converts given font to changes in font panel. Original font is irrelevant
    NSFont *selectedFont = [sender convertFont:someFont];

    [o_osd_font_fld setStringValue:[selectedFont fontName]];
    [self osdSettingChanged:self];
}

- (NSUInteger)validModesForFontPanel:(NSFontPanel *)fontPanel
{
    return NSFontPanelFaceModeMask | NSFontPanelCollectionModeMask;
}

- (IBAction)inputSettingChanged:(id)sender
{
    if (sender == o_input_cachelevel_pop) {
        if ([[[o_input_cachelevel_pop selectedItem] title] isEqualToString: _NS("Custom")])
            [o_input_cachelevel_custom_txt setHidden: NO];
        else
            [o_input_cachelevel_custom_txt setHidden: YES];
    } else if (sender == o_input_record_btn) {
        o_selectFolderPanel = [[NSOpenPanel alloc] init];
        [o_selectFolderPanel setCanChooseDirectories: YES];
        [o_selectFolderPanel setCanChooseFiles: YES];
        [o_selectFolderPanel setResolvesAliases: YES];
        [o_selectFolderPanel setAllowsMultipleSelection: NO];
        [o_selectFolderPanel setMessage: _NS("Choose the directory or filename where the records will be stored.")];
        [o_selectFolderPanel setCanCreateDirectories: YES];
        [o_selectFolderPanel setPrompt: _NS("Choose")];
        [o_selectFolderPanel beginSheetModalForWindow: o_sprefs_win completionHandler: ^(NSInteger returnCode) {
            if (returnCode == NSOKButton)
            {
                [o_input_record_fld setStringValue: [[o_selectFolderPanel URL] path]];
                b_inputSettingChanged = YES;
            }
        }];
        [o_selectFolderPanel release];

        return;
    }

    b_inputSettingChanged = YES;
}

- (void)showInputSettings
{
    [self showSettingsForCategory: o_input_view];
}

- (NSString *)bundleIdentifierForApplicationName:(NSString *)appName
{
    NSWorkspace * workspace = [NSWorkspace sharedWorkspace];
    NSString * appPath = [workspace fullPathForApplication:appName];
    if (appPath) {
        NSBundle * appBundle = [NSBundle bundleWithPath:appPath];
        return [appBundle bundleIdentifier];
    }
    return nil;
}

- (NSString *)applicationNameForBundleIdentifier:(NSString *)bundleIdentifier
{
    return [[[NSFileManager defaultManager] displayNameAtPath:[[NSWorkspace sharedWorkspace] absolutePathForAppBundleWithIdentifier:bundleIdentifier]] stringByDeletingPathExtension];
}

- (NSImage *)iconForBundleIdentifier:(NSString *)bundleIdentifier
{
    NSWorkspace *workspace = [NSWorkspace sharedWorkspace];
    NSSize iconSize = NSMakeSize(16., 16.);
    NSImage *icon = [workspace iconForFile:[workspace absolutePathForAppBundleWithIdentifier:bundleIdentifier]];
    [icon setSize:iconSize];
    return icon;
}

- (IBAction)urlHandlerAction:(id)sender
{
    NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];

    if (sender == o_input_urlhandler_btn) {
        NSArray *handlers;
        NSString *handler;
        NSString *rawhandler;
        NSMutableArray *rawHandlers;
        NSUInteger count;

#define fillUrlHandlerPopup( protocol, object ) \
        handlers = (NSArray *)LSCopyAllHandlersForURLScheme(CFSTR( protocol )); \
        rawHandlers = [[NSMutableArray alloc] init]; \
        [object removeAllItems]; \
        count = [handlers count]; \
        for (NSUInteger x = 0; x < count; x++) { \
            rawhandler = [handlers objectAtIndex:x]; \
            handler = [self applicationNameForBundleIdentifier:rawhandler]; \
            if (handler && ![handler isEqualToString:@""]) { \
                [object addItemWithTitle:handler]; \
                [[object lastItem] setImage: [self iconForBundleIdentifier:[handlers objectAtIndex:x]]]; \
                [rawHandlers addObject: rawhandler]; \
            } \
        } \
        [object selectItemAtIndex: [rawHandlers indexOfObject:(id)LSCopyDefaultHandlerForURLScheme(CFSTR( protocol ))]]; \
        [rawHandlers release]

        fillUrlHandlerPopup( "ftp", o_urlhandler_ftp_pop);
        fillUrlHandlerPopup( "mms", o_urlhandler_mms_pop);
        fillUrlHandlerPopup( "rtmp", o_urlhandler_rtmp_pop);
        fillUrlHandlerPopup( "rtp", o_urlhandler_rtp_pop);
        fillUrlHandlerPopup( "rtsp", o_urlhandler_rtsp_pop);
        fillUrlHandlerPopup( "sftp", o_urlhandler_sftp_pop);
        fillUrlHandlerPopup( "smb", o_urlhandler_smb_pop);
        fillUrlHandlerPopup( "udp", o_urlhandler_udp_pop);

#undef fillUrlHandlerPopup

        [NSApp beginSheet:o_urlhandler_win modalForWindow:o_sprefs_win modalDelegate:self didEndSelector:NULL contextInfo:nil];
    } else {
        [o_urlhandler_win orderOut:sender];
        [NSApp endSheet: o_urlhandler_win];

        if (sender == o_urlhandler_save_btn) {
            LSSetDefaultHandlerForURLScheme(CFSTR("ftp"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_ftp_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("mms"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_mms_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("mmsh"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_mms_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("rtmp"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_rtmp_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("rtp"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_rtp_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("rtsp"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_rtsp_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("sftp"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_sftp_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("smb"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_smb_pop selectedItem] title]]);
            LSSetDefaultHandlerForURLScheme(CFSTR("udp"), (CFStringRef)[self bundleIdentifierForApplicationName:[[o_urlhandler_udp_pop selectedItem] title]]);
        }
    }
}

#pragma mark -
#pragma mark Hotkey actions

- (void)hotkeyTableDoubleClick:(id)object
{
    // -1 is header
    if ([o_hotkeys_listbox clickedRow] >= 0)
        [self hotkeySettingChanged:o_hotkeys_listbox];
}

- (IBAction)hotkeySettingChanged:(id)sender
{
    if (sender == o_hotkeys_change_btn || sender == o_hotkeys_listbox) {
        [o_hotkeys_change_lbl setStringValue: [NSString stringWithFormat: _NS("Press new keys for\n\"%@\""),
                                               [o_hotkeyDescriptions objectAtIndex:[o_hotkeys_listbox selectedRow]]]];
        [o_hotkeys_change_keys_lbl setStringValue: [[VLCStringUtility sharedInstance] OSXStringKeyToString:[o_hotkeySettings objectAtIndex:[o_hotkeys_listbox selectedRow]]]];
        [o_hotkeys_change_taken_lbl setStringValue: @""];
        [o_hotkeys_change_win setInitialFirstResponder: [o_hotkeys_change_win contentView]];
        [o_hotkeys_change_win makeFirstResponder: [o_hotkeys_change_win contentView]];
        [NSApp runModalForWindow: o_hotkeys_change_win];
    } else if (sender == o_hotkeys_change_cancel_btn) {
        [NSApp stopModal];
        [o_hotkeys_change_win close];
    } else if (sender == o_hotkeys_change_ok_btn) {
        NSInteger i_returnValue;
        if (! o_keyInTransition) {
            [NSApp stopModal];
            [o_hotkeys_change_win close];
            msg_Err(p_intf, "internal error prevented the hotkey switch");
            return;
        }

        b_hotkeyChanged = YES;

        i_returnValue = [o_hotkeySettings indexOfObject: o_keyInTransition];
        if (i_returnValue != NSNotFound)
            [o_hotkeySettings replaceObjectAtIndex: i_returnValue withObject: [NSString string]];
        NSString *tempString;
        tempString = [o_keyInTransition stringByReplacingOccurrencesOfString:@"-" withString:@"+"];
        i_returnValue = [o_hotkeySettings indexOfObject: tempString];
        if (i_returnValue != NSNotFound)
            [o_hotkeySettings replaceObjectAtIndex: i_returnValue withObject: [NSString string]];

        [o_hotkeySettings replaceObjectAtIndex: [o_hotkeys_listbox selectedRow] withObject: [o_keyInTransition retain]];

        [NSApp stopModal];
        [o_hotkeys_change_win close];

        [o_hotkeys_listbox reloadData];
    } else if (sender == o_hotkeys_clear_btn) {
        [o_hotkeySettings replaceObjectAtIndex: [o_hotkeys_listbox selectedRow] withObject: [NSString string]];
        [o_hotkeys_listbox reloadData];
        b_hotkeyChanged = YES;
    }
}

- (void)showHotkeySettings
{
    [self showSettingsForCategory: o_hotkeys_view];
}

- (int)numberOfRowsInTableView:(NSTableView *)aTableView
{
    return [o_hotkeySettings count];
}

- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)aTableColumn row:(int)rowIndex
{
    NSString * identifier = [aTableColumn identifier];

    if ([identifier isEqualToString: @"action"])
        return [o_hotkeyDescriptions objectAtIndex:rowIndex];
    else if ([identifier isEqualToString: @"shortcut"])
        return [[VLCStringUtility sharedInstance] OSXStringKeyToString:[o_hotkeySettings objectAtIndex:rowIndex]];
    else {
        msg_Err(p_intf, "unknown TableColumn identifier (%s)!", [identifier UTF8String]);
        return NULL;
    }
}

- (BOOL)changeHotkeyTo: (NSString *)theKey
{
    NSInteger i_returnValue, i_returnValue2;
    i_returnValue = [o_hotkeysNonUseableKeys indexOfObject: theKey];

    if (i_returnValue != NSNotFound || [theKey isEqualToString:@""]) {
        [o_hotkeys_change_keys_lbl setStringValue: _NS("Invalid combination")];
        [o_hotkeys_change_taken_lbl setStringValue: _NS("Regrettably, these keys cannot be assigned as hotkey shortcuts.")];
        [o_hotkeys_change_ok_btn setEnabled: NO];
        return NO;
    } else {
        [o_hotkeys_change_keys_lbl setStringValue: [[VLCStringUtility sharedInstance] OSXStringKeyToString:theKey]];

        i_returnValue = [o_hotkeySettings indexOfObject: theKey];
        i_returnValue2 = [o_hotkeySettings indexOfObject: [theKey stringByReplacingOccurrencesOfString:@"-" withString:@"+"]];
        if (i_returnValue != NSNotFound)
            [o_hotkeys_change_taken_lbl setStringValue: [NSString stringWithFormat:
                                                         _NS("This combination is already taken by \"%@\"."),
                                                         [o_hotkeyDescriptions objectAtIndex:i_returnValue]]];
        else if (i_returnValue2 != NSNotFound)
            [o_hotkeys_change_taken_lbl setStringValue: [NSString stringWithFormat:
                                                         _NS("This combination is already taken by \"%@\"."),
                                                         [o_hotkeyDescriptions objectAtIndex:i_returnValue2]]];
        else
            [o_hotkeys_change_taken_lbl setStringValue: @""];

        [o_hotkeys_change_ok_btn setEnabled: YES];
        [o_keyInTransition release];
        o_keyInTransition = theKey;
        [o_keyInTransition retain];
        return YES;
    }
}

@end

/********************
 * hotkeys settings *
 ********************/

@implementation VLCHotkeyChangeWindow

- (BOOL)acceptsFirstResponder
{
    return YES;
}

- (BOOL)becomeFirstResponder
{
    return YES;
}

- (BOOL)resignFirstResponder
{
    /* We need to stay the first responder or we'll miss the user's input */
    return NO;
}

- (BOOL)performKeyEquivalent:(NSEvent *)o_theEvent
{
    NSMutableString *tempString = [[[NSMutableString alloc] init] autorelease];
    NSString *keyString = [o_theEvent characters];

    unichar key = [keyString characterAtIndex:0];
    NSUInteger i_modifiers = [o_theEvent modifierFlags];

    /* modifiers */
    if (i_modifiers & NSControlKeyMask)
        [tempString appendString:@"Ctrl-"];
    if (i_modifiers & NSAlternateKeyMask )
        [tempString appendString:@"Alt-"];
    if (i_modifiers & NSShiftKeyMask)
        [tempString appendString:@"Shift-"];
    if (i_modifiers & NSCommandKeyMask)
        [tempString appendString:@"Command-"];

    /* non character keys */
    if (key == NSUpArrowFunctionKey)
        [tempString appendString:@"Up"];
    else if (key == NSDownArrowFunctionKey)
        [tempString appendString:@"Down"];
    else if (key == NSLeftArrowFunctionKey)
        [tempString appendString:@"Left"];
    else if (key == NSRightArrowFunctionKey)
        [tempString appendString:@"Right"];
    else if (key == NSF1FunctionKey)
        [tempString appendString:@"F1"];
    else if (key == NSF2FunctionKey)
        [tempString appendString:@"F2"];
    else if (key == NSF3FunctionKey)
        [tempString appendString:@"F3"];
    else if (key == NSF4FunctionKey)
        [tempString appendString:@"F4"];
    else if (key == NSF5FunctionKey)
        [tempString appendString:@"F5"];
    else if (key == NSF6FunctionKey)
        [tempString appendString:@"F6"];
    else if (key == NSF7FunctionKey)
        [tempString appendString:@"F7"];
    else if (key == NSF8FunctionKey)
        [tempString appendString:@"F8"];
    else if (key == NSF9FunctionKey)
        [tempString appendString:@"F9"];
    else if (key == NSF10FunctionKey)
        [tempString appendString:@"F10"];
    else if (key == NSF11FunctionKey)
        [tempString appendString:@"F11"];
    else if (key == NSF12FunctionKey)
        [tempString appendString:@"F12"];
    else if (key == NSInsertFunctionKey)
        [tempString appendString:@"Insert"];
    else if (key == NSHomeFunctionKey)
        [tempString appendString:@"Home"];
    else if (key == NSEndFunctionKey)
        [tempString appendString:@"End"];
    else if (key == NSPageUpFunctionKey)
        [tempString appendString:@"Page Up"];
    else if (key == NSPageDownFunctionKey)
        [tempString appendString:@"Page Down"];
    else if (key == NSMenuFunctionKey)
        [tempString appendString:@"Menu"];
    else if (key == NSTabCharacter)
        [tempString appendString:@"Tab"];
    else if (key == NSCarriageReturnCharacter)
        [tempString appendString:@"Enter"];
    else if (key == NSEnterCharacter)
        [tempString appendString:@"Enter"];
    else if (key == NSDeleteCharacter)
        [tempString appendString:@"Delete"];
    else if (key == NSBackspaceCharacter)
        [tempString appendString:@"Backspace"];
    else if (key == 0x001B)
        [tempString appendString:@"Esc"];
    else if (key == ' ')
        [tempString appendString:@"Space"];
    else if (![[[o_theEvent charactersIgnoringModifiers] lowercaseString] isEqualToString:@""]) //plain characters
        [tempString appendString:[[o_theEvent charactersIgnoringModifiers] lowercaseString]];
    else
        return NO;

    return [[[VLCMain sharedInstance] simplePreferences] changeHotkeyTo: tempString];
}

@end

@implementation VLCSimplePrefsWindow

- (BOOL)acceptsFirstResponder
{
    return YES;
}

- (void)changeFont:(id)sender
{
    [[[VLCMain sharedInstance] simplePreferences] changeFont: sender];
}
@end
