plugins/cuesheet/codecselector.cpp

   1 /**
   2  * @file codecselector.cpp
   3  * @author Wei-Cheng Pan
   4  *
   5  * Copyright (C) 2008 Wei-Cheng Pan <legnaleurc@gmail.com>
   6  *
   7  * This file is part of Khopper.
   8  *
   9  * Khopper is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * Khopper is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  */
  22 #include "codecselector.hpp"
  23 #include "ui_codecselector.h"
  24
  25 #include <QtCore/QTextCodec>
  26 #include <QtCore/QTextStream>
  27
  28 using namespace khopper::widget;
  29
  30 QString CodecSelector::selectTextCodec( const QByteArray & encoded ) {
  31         std::shared_ptr< CodecSelector > dialog( new CodecSelector( encoded ) );
  32         if( dialog->exec() == QDialog::Rejected ) {
  33                 return "";
  34         } else {
  35                 return dialog->decoded_;
  36         }
  37 }
  38
  39 CodecSelector::CodecSelector( const QByteArray & encoded ):
  40 QDialog( 0, 0 ),
  41 ui_( new Ui::CodecSelector ),
  42 encoded_( encoded ),
  43 decoded_() {
  44         this->ui_->setupUi( this );
  45
  46         this->ui_->codecs->addItem( "UTF-8", QTextCodec::codecForName( "UTF-8" )->mibEnum() );
  47         this->ui_->codecs->addItem( "Shift-JIS", QTextCodec::codecForName( "Shift-JIS" )->mibEnum() );
  48         this->ui_->codecs->addItem( "Big5", QTextCodec::codecForName( "Big5" )->mibEnum() );
  49         QObject::connect( this->ui_->codecs, SIGNAL( currentIndexChanged( int ) ), this, SLOT( update_( int ) ) );
  50
  51         this->update_( this->ui_->codecs->currentIndex() );
  52 }
  53
  54 void CodecSelector::update_( int index ) {
  55         int mib = this->ui_->codecs->itemData( index ).toInt();
  56         QTextStream ts( &this->encoded_ );
  57         ts.setCodec( QTextCodec::codecForMib( mib ) );
  58         this->decoded_ = ts.readAll();
  59
  60         this->ui_->contents->setText( this->decoded_ );
  61 }