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tdebase/kcontrol/locale/kcmlocale.cpp

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/*
* locale.cpp
*
* Copyright (c) 1998 Matthias Hoelzer (hoelzer@physik.uni-wuerzburg.de)
* Copyright (c) 1999 Preston Brown <pbrown@kde.org>
* Copyright (c) 1999-2003 Hans Petter Bieker <bieker@kde.org>
*
* Requires the Qt widget libraries, available at no cost at
* http://www.troll.no/
*
* 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.
*/
#include <tqhbox.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqlistbox.h>
#include <tqpushbutton.h>
#include <tqtooltip.h>
#include <tqwhatsthis.h>
#include <kdebug.h>
#include <kdialog.h>
#include <kprocess.h>
#include <kiconloader.h>
#include <klanguagebutton.h>
#include <ksimpleconfig.h>
#include <kstandarddirs.h>
#include "kcmlocale.h"
#include "kcmlocale.moc"
#include "toplevel.h"
KLocaleConfig::KLocaleConfig(KLocale *locale,
TQWidget *parent, const char *name)
: TQWidget (parent, name),
m_locale(locale)
{
TQGridLayout *lay = new TQGridLayout(this, 4, 3,
KDialog::marginHint(),
KDialog::spacingHint());
m_labCountry = new TQLabel(this, I18N_NOOP("Country or region:"));
m_comboCountry = new KLanguageButton( this );
m_labCountry->setBuddy(m_comboCountry);
connect( m_comboCountry, TQT_SIGNAL(activated(const TQString &)),
this, TQT_SLOT(changedCountry(const TQString &)) );
m_labLang = new TQLabel(this, I18N_NOOP("Languages:"));
m_labLang->setAlignment( AlignTop );
m_languages = new TQListBox(this);
connect(m_languages, TQT_SIGNAL(selectionChanged()),
TQT_SLOT(slotCheckButtons()));
TQWidget * vb = new TQWidget(this);
TQVBoxLayout * boxlay = new TQVBoxLayout(vb, 0, KDialog::spacingHint());
m_addLanguage = new KLanguageButton(TQString::null, vb, I18N_NOOP("Add Language"));
boxlay->add(m_addLanguage);
connect(m_addLanguage, TQT_SIGNAL(activated(const TQString &)),
TQT_SLOT(slotAddLanguage(const TQString &)));
m_removeLanguage = new TQPushButton(vb, I18N_NOOP("Remove Language"));
m_upButton = new TQPushButton(vb, I18N_NOOP("Move Up"));
m_downButton = new TQPushButton(vb, I18N_NOOP("Move Down"));
boxlay->add(m_removeLanguage);
boxlay->add(m_upButton);
boxlay->add(m_downButton);
connect(m_removeLanguage, TQT_SIGNAL(clicked()),
TQT_SLOT(slotRemoveLanguage()));
connect(m_upButton, TQT_SIGNAL(clicked()),
TQT_SLOT(slotLanguageUp()));
connect(m_downButton, TQT_SIGNAL(clicked()),
TQT_SLOT(slotLanguageDown()));
boxlay->insertStretch(-1);
// #### HPB: This should be implemented for KDE 3
// new TQLabel(this, I18N_NOOP("Encoding:"));
//TQComboBox * cb = new TQComboBox( this );
//cb->insertStringList( KGlobal::charsets()->descriptiveEncodingNames() );
lay->addMultiCellWidget(m_labCountry, 0, 0, 0, 1);
lay->addWidget(m_comboCountry, 0, 2);
lay->addWidget(m_labLang, 1, 0);
lay->addWidget(m_languages, 1, 1);
lay->addWidget(vb, 1, 2);
lay->setRowStretch(2, 5);
lay->setColStretch(1, 1);
lay->setColStretch(2, 1);
#if 0
// Added jriddell 2007-01-08, for Kubuntu Language Selector spec
TQHBoxLayout* languageSelectorLayout = new TQHBoxLayout();
installLanguage = new TQPushButton(i18n("Install New Language"), this);
languageSelectorLayout->addWidget(installLanguage);
uninstallLanguage = new TQPushButton(i18n("Uninstall Language"), this);
languageSelectorLayout->addWidget(uninstallLanguage);
selectLanguage = new TQPushButton(i18n("Select System Language"), this);
languageSelectorLayout->addWidget(selectLanguage);
languageSelectorLayout->addStretch();
lay->addMultiCellLayout(languageSelectorLayout, 3, 3, 0, 2);
connect( installLanguage, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotInstallLanguage()) );
connect( uninstallLanguage, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotUninstallLanguage()) );
connect( selectLanguage, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotSelectLanguage()) );
#endif
}
void KLocaleConfig::slotInstallLanguage()
{
KProcess *proc = new KProcess;
*proc << "tdesu";
*proc << "qt-language-selector --mode install";
TQApplication::connect(proc, TQT_SIGNAL(processExited(KProcess *)),
this, TQT_SLOT(slotLanguageSelectorExited(KProcess *)));
setEnabled(false);
proc->start();
}
void KLocaleConfig::slotUninstallLanguage()
{
KProcess *proc = new KProcess;
*proc << "tdesu";
*proc << "qt-language-selector --mode uninstall";
TQApplication::connect(proc, TQT_SIGNAL(processExited(KProcess *)),
this, TQT_SLOT(slotLanguageSelectorExited(KProcess *)));
setEnabled(false);
proc->start();
}
void KLocaleConfig::slotSelectLanguage()
{
KProcess *proc = new KProcess;
*proc << "tdesu";
*proc << "qt-language-selector --mode select";
TQApplication::connect(proc, TQT_SIGNAL(processExited(KProcess *)),
this, TQT_SLOT(slotLanguageSelectorExited(KProcess *)));
setEnabled(false);
proc->start();
}
void KLocaleConfig::slotLanguageSelectorExited(KProcess *)
{
//reload here
loadLanguageList();
setEnabled(true);
}
void KLocaleConfig::slotAddLanguage(const TQString & code)
{
TQStringList languageList = m_locale->languageList();
int pos = m_languages->currentItem();
if ( pos < 0 )
pos = 0;
// If it's already in list, just move it (delete the old, then insert a new)
int oldPos = languageList.findIndex( code );
if ( oldPos != -1 )
languageList.remove( languageList.tqat(oldPos) );
if ( oldPos != -1 && oldPos < pos )
--pos;
TQStringList::Iterator it = languageList.tqat( pos );
languageList.insert( it, code );
m_locale->setLanguage( languageList );
emit localeChanged();
if ( pos == 0 )
emit languageChanged();
}
void KLocaleConfig::slotRemoveLanguage()
{
TQStringList languageList = m_locale->languageList();
int pos = m_languages->currentItem();
TQStringList::Iterator it = languageList.tqat( pos );
if ( it != languageList.end() )
{
languageList.remove( it );
m_locale->setLanguage( languageList );
emit localeChanged();
if ( pos == 0 )
emit languageChanged();
}
}
void KLocaleConfig::slotLanguageUp()
{
TQStringList languageList = m_locale->languageList();
int pos = m_languages->currentItem();
TQStringList::Iterator it1 = languageList.tqat( pos - 1 );
TQStringList::Iterator it2 = languageList.tqat( pos );
if ( it1 != languageList.end() && it2 != languageList.end() )
{
TQString str = *it1;
*it1 = *it2;
*it2 = str;
m_locale->setLanguage( languageList );
emit localeChanged();
if ( pos == 1 ) // at the lang before the top
emit languageChanged();
}
}
void KLocaleConfig::slotLanguageDown()
{
TQStringList languageList = m_locale->languageList();
int pos = m_languages->currentItem();
TQStringList::Iterator it1 = languageList.tqat( pos );
TQStringList::Iterator it2 = languageList.tqat( pos + 1 );
if ( it1 != languageList.end() && it2 != languageList.end() )
{
TQString str = *it1;
*it1 = *it2;
*it2 = str;
m_locale->setLanguage( languageList );
emit localeChanged();
if ( pos == 0 ) // at the top
emit languageChanged();
}
}
void KLocaleConfig::loadLanguageList()
{
// temperary use of our locale as the global locale
KLocale *lsave = KGlobal::_locale;
KGlobal::_locale = m_locale;
// clear the list
m_addLanguage->clear();
TQStringList first = languageList();
TQStringList prilang;
// add the primary languages for the country to the list
for ( TQStringList::ConstIterator it = first.begin();
it != first.end();
++it )
{
TQString str = locate("locale", TQString::fromLatin1("%1/entry.desktop")
.arg(*it));
if (!str.isNull())
prilang << str;
}
// add all languages to the list
TQStringList alllang = KGlobal::dirs()->findAllResources("locale",
TQString::fromLatin1("*/entry.desktop"),
false, true);
TQStringList langlist = prilang;
if (langlist.count() > 0)
langlist << TQString::null; // separator
langlist += alllang;
int menu_index = -2;
TQString submenu; // we are working on this menu
for ( TQStringList::ConstIterator it = langlist.begin();
it != langlist.end(); ++it )
{
if ((*it).isNull())
{
m_addLanguage->insertSeparator();
submenu = TQString::fromLatin1("other");
m_addLanguage->insertSubmenu(m_locale->translate("Other"),
submenu, TQString::null, -1);
menu_index = -2; // first entries should _not_ be sorted
continue;
}
KSimpleConfig entry(*it);
entry.setGroup("KCM Locale");
TQString name = entry.readEntry("Name",
m_locale->translate("without name"));
TQString tag = *it;
int index = tag.findRev('/');
tag = tag.left(index);
index = tag.findRev('/');
tag = tag.mid(index + 1);
m_addLanguage->insertItem(name, tag, submenu, menu_index);
}
// restore the old global locale
KGlobal::_locale = lsave;
}
void KLocaleConfig::loadCountryList()
{
// temperary use of our locale as the global locale
KLocale *lsave = KGlobal::_locale;
KGlobal::_locale = m_locale;
TQString sub = TQString::fromLatin1("l10n/");
// clear the list
m_comboCountry->clear();
TQStringList regionlist = KGlobal::dirs()->findAllResources("locale",
sub + TQString::fromLatin1("*.desktop"),
false, true );
for ( TQStringList::ConstIterator it = regionlist.begin();
it != regionlist.end();
++it )
{
TQString tag = *it;
int index;
index = tag.findRev('/');
if (index != -1)
tag = tag.mid(index + 1);
index = tag.findRev('.');
if (index != -1)
tag.truncate(index);
KSimpleConfig entry(*it);
entry.setGroup("KCM Locale");
TQString name = entry.readEntry("Name",
m_locale->translate("without name"));
TQString map( locate( "locale",
TQString::fromLatin1( "l10n/%1.png" )
.arg(tag) ) );
TQIconSet icon;
if ( !map.isNull() )
icon = KGlobal::iconLoader()->loadIconSet(map, KIcon::Small);
m_comboCountry->insertSubmenu( icon, name, tag, sub, -2 );
}
// add all languages to the list
TQStringList countrylist = KGlobal::dirs()->findAllResources
("locale", sub + TQString::fromLatin1("*/entry.desktop"), false, true);
for ( TQStringList::ConstIterator it = countrylist.begin();
it != countrylist.end(); ++it )
{
KSimpleConfig entry(*it);
entry.setGroup("KCM Locale");
TQString name = entry.readEntry("Name",
m_locale->translate("without name"));
TQString submenu = entry.readEntry("Region");
TQString tag = *it;
int index = tag.findRev('/');
tag.truncate(index);
index = tag.findRev('/');
tag = tag.mid(index + 1);
int menu_index = submenu.isEmpty() ? -1 : -2;
TQString flag( locate( "locale",
TQString::fromLatin1( "l10n/%1/flag.png" )
.arg(tag) ) );
TQIconSet icon( KGlobal::iconLoader()->loadIconSet(flag, KIcon::Small) );
m_comboCountry->insertItem( icon, name, tag, submenu, menu_index );
}
// restore the old global locale
KGlobal::_locale = lsave;
}
void KLocaleConfig::readLocale(const TQString &path, TQString &name,
const TQString &sub) const
{
// temperary use of our locale as the global locale
KLocale *lsave = KGlobal::_locale;
KGlobal::_locale = m_locale;
// read the name
TQString filepath = TQString::fromLatin1("%1%2/entry.desktop")
.arg(sub)
.arg(path);
KSimpleConfig entry(locate("locale", filepath));
entry.setGroup("KCM Locale");
name = entry.readEntry("Name");
// restore the old global locale
KGlobal::_locale = lsave;
}
void KLocaleConfig::save()
{
KConfigBase *config = KGlobal::config();
config->setGroup("Locale");
config->writeEntry("Country", m_locale->country(), true, true);
if ( m_locale->languageList().isEmpty() )
config->writeEntry("Language", TQString::fromLatin1(""), true, true);
else
config->writeEntry("Language",
m_locale->languageList(), ':', true, true);
config->sync();
}
void KLocaleConfig::slotCheckButtons()
{
m_removeLanguage->setEnabled( m_languages->currentItem() != -1 );
m_upButton->setEnabled( m_languages->currentItem() > 0 );
m_downButton->setEnabled( m_languages->currentItem() != -1 &&
m_languages->currentItem() < (signed)(m_languages->count() - 1) );
}
void KLocaleConfig::slotLocaleChanged()
{
loadLanguageList();
loadCountryList();
// update language widget
m_languages->clear();
TQStringList languageList = m_locale->languageList();
for ( TQStringList::Iterator it = languageList.begin();
it != languageList.end();
++it )
{
TQString name;
readLocale(*it, name, TQString::null);
m_languages->insertItem(name);
}
slotCheckButtons();
m_comboCountry->setCurrentItem( m_locale->country() );
}
void KLocaleConfig::slotTranslate()
{
kdDebug() << "slotTranslate()" << endl;
TQToolTip::add(m_comboCountry, m_locale->translate
( "This is where you live. KDE will use the defaults for "
"this country or region.") );
TQToolTip::add(m_addLanguage, m_locale->translate
( "This will add a language to the list. If the language is already "
"in the list, the old one will be moved instead." ) );
TQToolTip::add(m_removeLanguage, m_locale->translate
( "This will remove the highlighted language from the list." ) );
TQToolTip::add(m_languages, m_locale->translate
( "KDE programs will be displayed in the first available language in "
"this list.\nIf none of the languages are available, US English "
"will be used.") );
TQString str;
str = m_locale->translate
( "Here you can choose your country or region. The settings "
"for languages, numbers etc. will automatically switch to the "
"corresponding values." );
TQWhatsThis::add( m_labCountry, str );
TQWhatsThis::add( m_comboCountry, str );
str = m_locale->translate
( "Here you can choose the languages that will be used by KDE. If the "
"first language in the list is not available, the second will be used, "
"etc. If only US English is available, no translations "
"have been installed. You can get translation packages for many "
"languages from the place you got KDE from.<p>"
"Note that some applications may not be translated to your languages; "
"in this case, they will automatically fall back to US English." );
TQWhatsThis::add( m_labLang, str );
TQWhatsThis::add( m_languages, str );
TQWhatsThis::add( m_addLanguage, str );
TQWhatsThis::add( m_removeLanguage, str );
}
TQStringList KLocaleConfig::languageList() const
{
TQString fileName = locate("locale",
TQString::fromLatin1("l10n/%1/entry.desktop")
.arg(m_locale->country()));
KSimpleConfig entry(fileName);
entry.setGroup("KCM Locale");
return entry.readListEntry("Languages");
}
void KLocaleConfig::changedCountry(const TQString & code)
{
m_locale->setCountry(code);
// change to the preferred languages in that country, installed only
TQStringList languages = languageList();
TQStringList newLanguageList;
for ( TQStringList::Iterator it = languages.begin();
it != languages.end();
++it )
{
TQString name;
readLocale(*it, name, TQString::null);
if (!name.isEmpty())
newLanguageList += *it;
}
m_locale->setLanguage( newLanguageList );
emit localeChanged();
emit languageChanged();
}
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