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Diffstat (limited to 'src/gui/dialogs/IdentifyTextCodecDialog.cpp')
| -rw-r--r-- | src/gui/dialogs/IdentifyTextCodecDialog.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/gui/dialogs/IdentifyTextCodecDialog.cpp b/src/gui/dialogs/IdentifyTextCodecDialog.cpp new file mode 100644 index 0000000..07b5ec1 --- /dev/null +++ b/src/gui/dialogs/IdentifyTextCodecDialog.cpp @@ -0,0 +1,173 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Rosegarden + A MIDI and audio sequencer and musical notation editor. + + This program is Copyright 2000-2008 + Guillaume Laurent <[email protected]>, + Chris Cannam <[email protected]>, + Richard Bown <[email protected]> + + The moral rights of Guillaume Laurent, Chris Cannam, and Richard + Bown to claim authorship of this work have been asserted. + + Other copyrights also apply to some parts of this work. Please + see the AUTHORS file and individual file headers for details. + + 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. See the file + COPYING included with this distribution for more information. +*/ + + +#include "IdentifyTextCodecDialog.h" + +#include <klocale.h> +#include "misc/Strings.h" +#include "base/NotationTypes.h" +#include <kcombobox.h> +#include <kdialogbase.h> +#include <qfont.h> +#include <qlabel.h> +#include <qstring.h> +#include <qtextcodec.h> +#include <qvbox.h> +#include <qwidget.h> + + +namespace Rosegarden +{ + +IdentifyTextCodecDialog::IdentifyTextCodecDialog(QWidget *parent, + std::string text) : + KDialogBase(parent, 0, true, i18n("Choose Text Encoding"), Ok), + m_text(text) +{ + QVBox *vbox = makeVBoxMainWidget(); + new QLabel(i18n("\nThis file contains text in an unknown language encoding.\n\nPlease select one of the following estimated text encodings\nfor use with the text in this file:\n"), vbox); + + KComboBox *codecs = new KComboBox(vbox); + + std::string defaultCodec; + QTextCodec *cc = QTextCodec::codecForContent(text.c_str(), text.length()); + QTextCodec *codec = 0; + + std::cerr << "cc is " << (cc ? cc->name() : "null") << std::endl; + + std::map<std::string, QString> codecDescriptions; + codecDescriptions["SJIS"] = i18n("Japanese Shift-JIS"); + codecDescriptions["UTF-8"] = i18n("Unicode variable-width"); + codecDescriptions["ISO 8859-1"] = i18n("Western Europe"); + codecDescriptions["ISO 8859-15"] = i18n("Western Europe + Euro"); + codecDescriptions["ISO 8859-2"] = i18n("Eastern Europe"); + codecDescriptions["ISO 8859-3"] = i18n("Southern Europe"); + codecDescriptions["ISO 8859-4"] = i18n("Northern Europe"); + codecDescriptions["ISO 8859-5"] = i18n("Cyrillic"); + codecDescriptions["ISO 8859-6"] = i18n("Arabic"); + codecDescriptions["ISO 8859-7"] = i18n("Greek"); + codecDescriptions["ISO 8859-8"] = i18n("Hebrew"); + codecDescriptions["ISO 8859-9"] = i18n("Turkish"); + codecDescriptions["ISO 8859-10"] = i18n("Nordic"); + codecDescriptions["ISO 8859-11"] = i18n("Thai"); + codecDescriptions["ISO 8859-13"] = i18n("Baltic"); + codecDescriptions["ISO 8859-14"] = i18n("Celtic"); + codecDescriptions["SJIS"] = i18n("Japanese Shift-JIS"); + codecDescriptions["Big5"] = i18n("Traditional Chinese"); + codecDescriptions["GB18030"] = i18n("Simplified Chinese"); + codecDescriptions["KOI8-R"] = i18n("Russian"); + codecDescriptions["KOI8-U"] = i18n("Ukrainian"); + codecDescriptions["TSCII"] = i18n("Tamil"); + + int i = 0; + int current = -1; + + int selectedProbability = 0; + if (cc) { + selectedProbability = cc->heuristicContentMatch + (m_text.c_str(), m_text.length()); + } + + while ((codec = QTextCodec::codecForIndex(i)) != 0) { + + int probability = codec->heuristicContentMatch + (m_text.c_str(), m_text.length()); + + if (probability <= 0) { + ++i; + continue; + } + + std::string name = codec->name(); + + std::cerr << "codec " << name << " probability " << probability << std::endl; + + if (name == "UTF-8" && + (!cc || (cc->name() != name)) && + probability > selectedProbability/2) { + std::cerr << "UTF-8 has a decent probability, selecting it instead to promote global harmony" << std::endl; + cc = codec; + } + + QString description = codecDescriptions[name]; + if (description == "") { + if (strtoqstr(name).left(3) == "CP ") { + description = i18n("Microsoft Code Page %1"). + arg(strtoqstr(name).right(name.length() - 3)); + } + } + + if (description != "") { + description = i18n("%1 (%2)").arg(strtoqstr(name)).arg(description); + } else { + description = strtoqstr(name); + } + + codecs->insertItem(description, 0); + m_codecs.push_front(name); + if (current >= 0) ++current; + + if (cc && (name == cc->name())) { + current = 0; + } + + ++i; + } + + connect(codecs, SIGNAL(activated(int)), + this, SLOT(slotCodecSelected(int))); + + new QLabel(i18n("\nExample text from file:"), vbox); + m_example = new QLabel("", vbox); + QFont font; + font.setStyleHint(QFont::TypeWriter); + m_example->setFont(font); + m_example->setPaletteForegroundColor(Qt::blue); + std::cerr << "calling slotCodecSelected(" << current << ")" << std::endl; + if (current < 0) current = 0; + codecs->setCurrentItem(current); + slotCodecSelected(current); +} + +void +IdentifyTextCodecDialog::slotCodecSelected(int i) +{ +// std::cerr << "codec index = " << i << std::endl; + if (i < 0 || i >= m_codecs.size()) return; + std::string name = m_codecs[i]; +// std::cerr << "codecs: "; +// for (int j = 0; j < m_codecs.size(); ++j) std::cerr << m_codecs[j] << " "; +// std::cerr << std::endl; + QTextCodec *codec = QTextCodec::codecForName(strtoqstr(name)); + if (!codec) return; + m_codec = qstrtostr(codec->name()); + std::cerr << "Applying codec " << m_codec << std::endl; + QString outText = codec->toUnicode(m_text.c_str(), m_text.length()); + if (outText.length() > 80) outText = outText.left(80); + m_example->setText("\"" + outText + "\""); +} + +} +#include "IdentifyTextCodecDialog.moc" |