complete_preferences.cpp

VLC Player Source Code

/*****************************************************************************
 * preferences.cpp : "Normal preferences"
 ****************************************************************************
 * Copyright (C) 2006-2007 the VideoLAN team
 * $Id$
 *
 * Authors: Clément Stenac <[e-mail]>
 *
 * 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

#include <QApplication>
#include <QLabel>
#include <QTreeWidget>
#include <QTreeWidgetItem>
#include <QVariant>
#include <QString>
#include <QFont>
#include <QGroupBox>
#include <QScrollArea>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QGridLayout>
#include <QHeaderView>
#include <QPalette>
#include <QColor>

#include "components/complete_preferences.hpp"
#include "components/preferences_widgets.hpp"

#include <vlc_config_cat.h>
#include <vlc_intf_strings.h>
#include <assert.h>

#define ITEM_HEIGHT 25

/*********************************************************************
 * The Tree
 *********************************************************************/
PrefsTree::PrefsTree( intf_thread_t *_p_intf, QWidget *_parent ) :
                            QTreeWidget( _parent ), p_intf( _p_intf )
{
    /* General Qt options */
    setColumnCount( 1 );
    setAlternatingRowColors( true );
    header()->hide();

    setIconSize( QSize( ITEM_HEIGHT,ITEM_HEIGHT ) );
    setTextElideMode( Qt::ElideNone );

    /* Nice icons */
#define BI( a,b) QIcon a##_icon = QIcon( QPixmap( b ))
    BI( audio, ":/advprefs_audio" );
    BI( video, ":/advprefs_video" );
    BI( input, ":/advprefs_codec" );
    BI( sout, ":/advprefs_sout" );
    BI( advanced, ":/advprefs_extended" );
    BI( playlist, ":/advprefs_playlist" );
    BI( interface, ":/advprefs_intf" );
#undef BI

    /* Build the tree for the main module */
    module_t *p_module = module_GetMainModule( p_intf );

    /* Initialisation and get the confsize */
    PrefsItemData *data = NULL;
    PrefsItemData *data_sub = NULL;
    QTreeWidgetItem *current_item = NULL;
    unsigned confsize;
    module_config_t *const p_config = module_GetConfig (p_module, &confsize);

    /* Go through the list of conf */
    for( size_t i = 0; i < confsize; i++ )
    {
        const char *psz_help;
        QIcon icon;

        /* Work on a new item */
        module_config_t *p_item = p_config + i;

        switch( p_item->i_type )
        {
        /* This is a category */
        case CONFIG_CATEGORY:
            if( p_item->value.i == -1 ) break;

            /* PrefsItemData Init */
            data = new PrefsItemData();
            data->name = qtr( config_CategoryNameGet( p_item->value.i ) );
            psz_help = config_CategoryHelpGet( p_item->value.i );
            if( psz_help )
                data->help = qtr( psz_help );
            else
                data->help.clear();
            data->i_type = TYPE_CATEGORY;
            data->i_object_id = p_item->value.i;

            /* This is a category, put a nice icon */
            switch( p_item->value.i )
            {
#define CI(a,b) case a: icon = b##_icon;break
            CI( CAT_AUDIO, audio );
            CI( CAT_VIDEO, video );
            CI( CAT_INPUT, input );
            CI( CAT_SOUT, sout );
            CI( CAT_ADVANCED, advanced );
            CI( CAT_PLAYLIST, playlist );
            CI( CAT_INTERFACE, interface );
            }
#undef CI

            /* Create a new QTreeItem to display it in the tree at top level */
            current_item = new QTreeWidgetItem();
            current_item->setText( 0, data->name );
            current_item->setIcon( 0 , icon );
            current_item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );
            current_item->setData( 0, Qt::UserRole,
                                   qVariantFromValue( data ) );
            addTopLevelItem( current_item );
            break;

        /* This is a subcategory */
        case CONFIG_SUBCATEGORY:
            if( p_item->value.i == -1 ) break;

            /* Special cases: move the main subcategories to the parent cat*/
            if( data &&
                ( p_item->value.i == SUBCAT_VIDEO_GENERAL ||
                  p_item->value.i == SUBCAT_ADVANCED_MISC ||
                  p_item->value.i == SUBCAT_INPUT_GENERAL ||
                  p_item->value.i == SUBCAT_INTERFACE_GENERAL ||
                  p_item->value.i == SUBCAT_SOUT_GENERAL||
                  p_item->value.i == SUBCAT_PLAYLIST_GENERAL||
                  p_item->value.i == SUBCAT_AUDIO_GENERAL ) )
            {
                /* Data still contains the correct thing */
                data->i_type = TYPE_CATSUBCAT;
                data->i_subcat_id = p_item->value.i;
                data->name = qtr( config_CategoryNameGet( p_item->value.i ) );
                psz_help = config_CategoryHelpGet( p_item->value.i );
                if( psz_help )
                    data->help = qtr( psz_help );
                else
                    data->help.clear();
                current_item->setData( 0, Qt::UserRole,
                                       QVariant::fromValue( data ) );
                continue;
            }

            /* Normal Subcategories */

            /* Process the Data */
            data_sub = new PrefsItemData();
            data_sub->name = qtr( config_CategoryNameGet( p_item->value.i) );
            psz_help = config_CategoryHelpGet( p_item->value.i );
            if( psz_help )
                data_sub->help = qtr( psz_help );
            else
                data_sub->help.clear();
            data_sub->i_type = TYPE_SUBCATEGORY;
            data_sub->i_object_id = p_item->value.i;

            /* Create a new TreeWidget */
            QTreeWidgetItem *subcat_item = new QTreeWidgetItem();
            subcat_item->setText( 0, data_sub->name );
            subcat_item->setData( 0, Qt::UserRole,
                                  qVariantFromValue( data_sub ) );
            subcat_item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );

            /* Add it to the parent */
            assert( current_item );
            current_item->addChild( subcat_item );
            break;

        /* Other items don't need yet a place on the tree */
        }
    }
    module_PutConfig( p_config );
    vlc_object_release( (vlc_object_t*)p_module );


    vlc_list_t *p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE,
                                        FIND_ANYWHERE );
    /* Build the tree of plugins */
    for( int i_index = 0; i_index < p_list->i_count; i_index++ )
    {
        /* Take every module */
        p_module = (module_t *)p_list->p_values[i_index].p_object;

        // Main module excluded
        if( module_IsMainModule( p_module) ) continue;

        unsigned i_subcategory = 0, i_category = 0, confsize;
        bool b_options = false;
        module_config_t *const p_config = module_GetConfig (p_module, &confsize);

        /* Loop through the configurations items */
        for (size_t i = 0; i < confsize; i++)
        {
            const module_config_t *p_item = p_config + i;

            if( p_item->i_type == CONFIG_CATEGORY )
                i_category = p_item->value.i;
            else if( p_item->i_type == CONFIG_SUBCATEGORY )
                i_subcategory = p_item->value.i;

            if( p_item->i_type & CONFIG_ITEM )
                b_options = true;

            if( b_options && i_category && i_subcategory )
                break;
        }
        module_PutConfig (p_config);

        /* Dummy item, please proceed */
        if( !b_options || i_category == 0 || i_subcategory == 0 ) continue;


        // Locate the category item;
        QTreeWidgetItem *subcat_item = NULL;
        bool b_found = false;

        for( int i_cat_index = 0 ; i_cat_index < topLevelItemCount();
                                   i_cat_index++ )
        {
            /* Get the treeWidgetItem that correspond to the category */
            QTreeWidgetItem *cat_item = topLevelItem( i_cat_index );
            PrefsItemData *data = cat_item->data( 0, Qt::UserRole ).
                                             value<PrefsItemData *>();

            /* If we match the good category */
            if( data->i_object_id == i_category )
            {
                for( int i_sc_index = 0; i_sc_index < cat_item->childCount();
                         i_sc_index++ )
                {
                    subcat_item = cat_item->child( i_sc_index );
                    PrefsItemData *sc_data = subcat_item->data(0, Qt::UserRole).
                                                value<PrefsItemData *>();
                    if( sc_data && sc_data->i_object_id == i_subcategory )
                    {
                        b_found = true;
                        break;
                    }
                }
                if( !b_found )
                {
                    subcat_item = cat_item;
                    b_found = true;