prefs.m

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/*****************************************************************************
 * prefs.m: MacOS X module for vlc
 *****************************************************************************
 * Copyright (C) 2002-2004 VideoLAN
 * $Id: prefs.m,v 1.41 2004/02/19 19:38:58 hartman Exp $
 *
 * Authors: Jon Lech Johansen <[e-mail]>
 *          Derk-Jan Hartman <hartman 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdlib.h>                                      /* malloc(), free() */
#include <sys/param.h>                                    /* for MAXPATHLEN */
#include <string.h>

#include "intf.h"
#include "prefs.h"
#include "vlc_keys.h"

/*****************************************************************************
 * VLCPrefs implementation
 *****************************************************************************/
@implementation VLCPrefs

- (id)init
{
    self = [super init];

    if( self != nil )
    {
        o_empty_view = [[NSView alloc] init];
        o_save_prefs = [[NSMutableDictionary alloc] init];
    }

    return( self );
}

- (void)dealloc
{
    [o_empty_view release];
    [o_save_prefs release];
    [super dealloc];
}

- (void)awakeFromNib
{
    p_intf = [NSApp getIntf];
    b_advanced = config_GetInt( p_intf, "advanced" );

    [self initStrings];
    [o_advanced_ckb setState: b_advanced];
    [o_prefs_view setBorderType: NSGrooveBorder];
    [o_prefs_view setHasVerticalScroller: YES];
    [o_prefs_view setDrawsBackground: NO];
    [o_prefs_view setRulersVisible: NO];
    [o_prefs_view setDocumentView: o_empty_view];
    [o_tree selectRow:0 byExtendingSelection:NO];
}

- (void)initStrings
{
    [o_prefs_window setTitle: _NS("Preferences")];
    [o_save_btn setTitle: _NS("Save")];
    [o_cancel_btn setTitle: _NS("Cancel")];
    [o_reset_btn setTitle: _NS("Reset All")];
    [o_advanced_ckb setTitle: _NS("Advanced")];
}

- (void)showPrefs
{
    [o_save_prefs release];
    o_save_prefs = [[NSMutableDictionary alloc] init];
    [self showViewForID: [[o_tree itemAtRow:[o_tree selectedRow]] getObjectID]
        andName: [[o_tree itemAtRow:[o_tree selectedRow]] getName]];
    [o_prefs_window center];
    [o_prefs_window makeKeyAndOrderFront:self];
}

- (IBAction)savePrefs: (id)sender
{
    id o_vlc_config;
    NSEnumerator *o_enum;

    o_enum = [o_save_prefs objectEnumerator];
    while( ( o_vlc_config = [o_enum nextObject] ) )
    {
        int i_type = [o_vlc_config configType];
        NSString *o_name = [o_vlc_config configName];
        char *psz_name = (char *)[o_name UTF8String];

        switch( i_type )
        {
    
        case CONFIG_ITEM_MODULE:
            {
                char *psz_value;
                module_t *p_a_module;
                int i_id = [[o_vlc_config selectedItem] tag];
                
                p_a_module = (module_t *)vlc_object_get( p_intf, i_id );
                if( p_a_module == NULL || p_a_module->i_object_type != VLC_OBJECT_MODULE )
                {
                    i_id = -1;
                }
                
                psz_value = ( i_id == -1 ) ? "" :  p_a_module->psz_object_name ;
                config_PutPsz( p_intf, psz_name, strdup(psz_value) );
            }
            break;
    
        case CONFIG_ITEM_STRING:
        case CONFIG_ITEM_FILE:
        case CONFIG_ITEM_DIRECTORY:
            {
                char *psz_value;
                NSString *o_value = [o_vlc_config stringValue];
                psz_value = (char *)[o_value UTF8String];
    
                config_PutPsz( p_intf, psz_name, psz_value );
            }
            break;
    
        case CONFIG_ITEM_INTEGER:
        case CONFIG_ITEM_BOOL:
            {
                int i_value = [o_vlc_config intValue];
    
                config_PutInt( p_intf, psz_name, i_value );
            }
            break;
    
        case CONFIG_ITEM_FLOAT:
            {
                float f_value = [o_vlc_config floatValue];
    
                config_PutFloat( p_intf, psz_name, f_value );
            }
            break;

        case CONFIG_ITEM_KEY:
            {
                unsigned int i_key = config_GetInt( p_intf, psz_name );
                unsigned int i_new_key = 0;

                if( [o_vlc_config class] == [VLCMatrix class] )
                {
                    int i;
                    NSButtonCell *o_current_cell;
                    NSArray *o_cells = [o_vlc_config cells];
                    i_new_key = (i_key & ~KEY_MODIFIER);
                    for( i = 0; i < [o_cells count]; i++ )
                    {
                        o_current_cell = [o_cells objectAtIndex:i];
                        if( [[o_current_cell title] isEqualToString:_NS("Command")] && 
                            [o_current_cell state] == NSOnState )
                                i_new_key |= KEY_MODIFIER_COMMAND;
                        if( [[o_current_cell title] isEqualToString:_NS("Control")] && 
                            [o_current_cell state] == NSOnState )
                                i_new_key |= KEY_MODIFIER_CTRL;
                        if( [[o_current_cell title] isEqualToString:_NS("Option/Alt")] && 
                            [o_current_cell state] == NSOnState )
                                i_new_key |= KEY_MODIFIER_ALT;
                        if( [[o_current_cell title] isEqualToString:_NS("Shift")] && 
                            [o_current_cell state] == NSOnState )
                                i_new_key |= KEY_MODIFIER_SHIFT;
                    }
                }
                else
                {
                    i_new_key = (i_key & KEY_MODIFIER);
                    i_new_key |= StringToKey([[o_vlc_config stringValue] cString]);
                }
                config_PutInt( p_intf, psz_name, i_new_key );
            }
            break;
        }
    }
    config_SaveConfigFile( p_intf, NULL );
    [o_prefs_window orderOut:self];
}

- (IBAction)closePrefs: (id)sender
{
    [o_prefs_window orderOut:self];
}

- (IBAction)resetAll: (id)sender
{
    NSBeginInformationalAlertSheet(_NS("Reset Preferences"), _NS("Cancel"), _NS("Continue"), 
        nil, o_prefs_window, self, @selector(sheetDidEnd: returnCode: contextInfo:), NULL, nil,
        _NS("Beware this will reset your VLC media player preferences.\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 )
    {
        config_ResetAll( p_intf );
        [self showViewForID: [[o_tree itemAtRow:[o_tree selectedRow]] getObjectID]
            andName: [[o_tree itemAtRow:[o_tree selectedRow]] getName]];
    }
}

- (IBAction)advancedToggle: (id)sender
{
    b_advanced = !b_advanced;
    [o_advanced_ckb setState: b_advanced];
    [self showViewForID: [[o_tree itemAtRow:[o_tree selectedRow]] getObjectID]
        andName: [[o_tree itemAtRow:[o_tree selectedRow]] getName]];
}

- (IBAction)openFileDialog: (id)sender
{
    NSOpenPanel *o_open_panel = [NSOpenPanel openPanel];
    
    [o_open_panel setTitle: _NS("Select file or directory")];
    [o_open_panel setPrompt: _NS("Select")];
    [o_open_panel setAllowsMultipleSelection: NO];
    [o_open_panel setCanChooseFiles: YES];
    [o_open_panel setCanChooseDirectories: YES];
    [o_open_panel beginSheetForDirectory:nil
        file:nil
        types:nil
        modalForWindow:[sender window]
        modalDelegate: self
        didEndSelector: @selector(pathChosenInPanel: 
                        withReturn:
                        contextInfo:)
        contextInfo: sender];
}

- (void)pathChosenInPanel:(NSOpenPanel *)o_sheet withReturn:(int)i_return_code contextInfo:(void  *)o_context_info
{
    if( i_return_code == NSOKButton )
    {
        NSString *o_path = [[o_sheet filenames] objectAtIndex: 0];
        VLCTextField *o_field = (VLCTextField *)[(VLCButton *)o_context_info tag]; /* FIXME */
        [o_field setStringValue: o_path];
        [self configChanged: o_field];
    }
}

- (void)loadConfigTree
{
    
}

- (void)outlineViewSelectionIsChanging:(NSNotification *)o_notification
{
}

- (void)outlineViewSelectionDidChange:(NSNotification *)o_notification
{
    [self showViewForID: [[o_tree itemAtRow:[o_tree selectedRow]] getObjectID]
        andName: [[o_tree itemAtRow:[o_tree selectedRow]] getName]];
}

- (void)configChanged:(id)o_unknown
{
    id o_vlc_config = [o_unknown isKindOfClass: [NSNotification class]] ?
                      [o_unknown object] : o_unknown;

    NSString *o_name = [o_vlc_config configName];
    [o_save_prefs setObject: o_vlc_config forKey: o_name];
}

- (void)showViewForID: (int)i_id andName: (NSString *)o_item_name
{
    vlc_list_t *p_list;
    module_t *p_parser;
    module_config_t *p_item;
    
    int i_pos, i_module_tag, i_index;
    
    NSString *o_module_name;
    NSRect s_rc;                        /* rect                         */
    NSView *o_view;                     /* view                         */
    NSRect s_vrc;                       /* view rect                    */
    VLCTextField *o_text_field;         /* input field / label          */
    
    p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );

    /* Get a pointer to the module */
    p_parser = (module_t *)vlc_object_get( p_intf, i_id );
    if( p_parser->i_object_type != VLC_OBJECT_MODULE )
    {
        /* 0OOoo something went really bad */
        return;
    }
    
    /* Enumerate config options and add corresponding config boxes */
    o_module_name = [NSString stringWithUTF8String: p_parser->psz_object_name];
    p_item = p_parser->p_config;

    i_pos = 0;
    o_view = nil;
    i_module_tag = 3;

#define X_ORIGIN 20
#define Y_ORIGIN (X_ORIGIN - 10)

#define CHECK_VIEW_HEIGHT \
    { \
        float f_new_pos = s_rc.origin.y + s_rc.size.height + X_ORIGIN; \
        if( f_new_pos > s_vrc.size.height ) \
        { \
            s_vrc.size.height = f_new_pos; \
            [o_view setFrame: s_vrc]; \
        } \
    }

#define CONTROL_LABEL( label ) \
    { \
        s_rc.origin.x += s_rc.size.width + 10; \
        s_rc.size.width = s_vrc.size.width - s_rc.origin.x - X_ORIGIN - 20; \
        o_text_field = [[NSTextField alloc] initWithFrame: s_rc]; \
        [o_text_field setDrawsBackground: NO]; \
        [o_text_field setBordered: NO]; \
        [o_text_field setEditable: NO]; \
        [o_text_field setSelectable: NO]; \
        if ( label ) \
        { \
            [o_text_field setStringValue: \
                [NSApp localizedString: label]]; \
        } \
        [o_text_field sizeToFit]; \
        [o_view addSubview: [o_text_field autorelease]]; \
    }

#define INPUT_FIELD( ctype, cname, label, w, msg, param, tip ) \
    { \
        char * psz_duptip = NULL; \
        if ( p_item->psz_longtext != NULL ) \
            psz_duptip = strdup( p_item->psz_longtext ); \
        s_rc.size.height = 25; \
        s_rc.size.width = w; \
        s_rc.origin.y += 10; \
        CHECK_VIEW_HEIGHT; \
        o_text_field = [[VLCTextField alloc] initWithFrame: s_rc]; \
        [o_text_field setAlignment: NSRightTextAlignment]; \
        CONTROL_CONFIG( o_text_field, o_module_name, ctype, cname ); \
        [o_text_field msg: param]; \
        if ( psz_duptip != NULL ) \
        { \
            [o_text_field setToolTip: [NSApp wrapString: [NSApp localizedString: \
                                       psz_duptip] toWidth: PREFS_WRAP ]]; \
            free(psz_duptip);\
        } \
        [o_view addSubview: [o_text_field autorelease]]; \
        [[NSNotificationCenter defaultCenter] addObserver: self \
            selector: @selector(configChanged:) \
            name: NSControlTextDidChangeNotification \
            object: o_text_field]; \
        CONTROL_LABEL( label ); \
        s_rc.origin.y += s_rc.size.height; \
        s_rc.origin.x = X_ORIGIN; \
    }

#define INPUT_FIELD_INTEGER( name, label, w, param, tip ) \
    INPUT_FIELD( CONFIG_ITEM_INTEGER, name, label, w, setIntValue, param, tip )
#define INPUT_FIELD_FLOAT( name, label, w, param, tip ) \
    INPUT_FIELD( CONFIG_ITEM_FLOAT, name, label, w, setFloatValue, param, tip )
#define INPUT_FIELD_STRING( name, label, w, param, tip ) \
    INPUT_FIELD( CONFIG_ITEM_STRING, name, label, w, setStringValue, param, tip )

    /* Init View */