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350 lines
11 KiB
350 lines
11 KiB
/*
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* This file is part of the KDE Libraries
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* Copyright (C) 2007 Krzysztof Lichota (lichota@mimuw.edu.pl)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "kswitchlanguagedialog.h"
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#include <tqlayout.h>
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#include <tqtooltip.h>
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#include <tqlabel.h>
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#include <tqmap.h>
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#include <klanguagebutton.h>
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#include <kconfig.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kdebug.h>
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#include <kpushbutton.h>
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struct LanguageRowData
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{
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TQLabel *label;
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KLanguageButton *languageButton;
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KPushButton *removeButton;
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void setRowWidgets(
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TQLabel *label,
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KLanguageButton *languageButton,
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KPushButton *removeButton
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)
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{
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this->label = label;
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this->languageButton = languageButton;
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this->removeButton = removeButton;
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}
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};
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class KSwitchLanguageDialogPrivate
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{
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public:
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KSwitchLanguageDialogPrivate(KSwitchLanguageDialog *parent);
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KSwitchLanguageDialog *p; //parent class
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/**
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Fills language button with names of languages for which given application has translation.
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*/
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void fillApplicationLanguages(KLanguageButton *button);
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/**
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Adds one button with language to widget.
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*/
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void addLanguageButton(const TQString & languageCode, bool primaryLanguage);
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/**
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Returns list of languages chosen for application or default languages is they are not set.
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*/
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TQStringList applicationLanguageList();
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TQMap<KPushButton*, LanguageRowData> languageRows;
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TQPtrList<KLanguageButton> languageButtons;
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TQGridLayout *languagesLayout;
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TQWidget *page;
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};
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/*************************** KSwitchLanguageDialog **************************/
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KSwitchLanguageDialog::KSwitchLanguageDialog(
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TQWidget *parent,
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const char *name,
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bool modal
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):
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KDialogBase(parent, name, modal, i18n("Switch application language"), Ok|Cancel, Ok, true ),
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d(new KSwitchLanguageDialogPrivate(this))
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{
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d->page = new TQWidget( this );
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setMainWidget(d->page);
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TQVBoxLayout *topLayout = new TQVBoxLayout( d->page, 0, spacingHint() );
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TQLabel *label = new TQLabel( i18n("Please choose language which should be used for this application"), d->page, "label1" );
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topLayout->addWidget( label );
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TQHBoxLayout *languageHorizontalLayout = new TQHBoxLayout();
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topLayout->addLayout(languageHorizontalLayout);
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d->languagesLayout = new TQGridLayout(0 , 2);
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languageHorizontalLayout->addLayout(TQT_TQLAYOUT(d->languagesLayout));
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languageHorizontalLayout->addStretch();
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TQStringList defaultLanguages = d->applicationLanguageList();
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for ( TQStringList::ConstIterator it = defaultLanguages.begin(); it != defaultLanguages.end(); ++it )
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{
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TQString language = *it;
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bool primaryLanguage = (it == defaultLanguages.begin());
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d->addLanguageButton(language, primaryLanguage);
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}
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if (defaultLanguages.count() == 0)
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{
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d->addLanguageButton(KGlobal::locale()->defaultLanguage(), true);
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}
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TQHBoxLayout *addButtonHorizontalLayout = new TQHBoxLayout();
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topLayout->addLayout(addButtonHorizontalLayout);
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KPushButton *addLangButton = new KPushButton(i18n("Add fallback language"), d->page, "addLangButton");
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TQToolTip::add(addLangButton, i18n("Adds one more language which will be used if other translations do not contain proper translation"));
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connect(addLangButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotAddLanguageButton()));
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addButtonHorizontalLayout->addWidget(addLangButton);
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addButtonHorizontalLayout->addStretch();
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topLayout->addStretch(10);
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}
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KSwitchLanguageDialog::~KSwitchLanguageDialog()
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{
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delete this->d;
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}
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void KSwitchLanguageDialog::slotAddLanguageButton()
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{
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//adding new button with en_US as it should always be present
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d->addLanguageButton("en_US", d->languageButtons.isEmpty() ? true : false);
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}
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void KSwitchLanguageDialog::removeButtonClicked()
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{
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TQObject const *signalSender = TQT_TQOBJECT_CONST(sender());
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if (signalSender == NULL)
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{
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kdError() << "KSwitchLanguageDialog::removeButtonClicked() called directly, not using signal";
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return;
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}
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KPushButton *removeButton = const_cast<KPushButton*>(::tqqt_cast<const KPushButton*>(signalSender));
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if (removeButton == NULL)
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{
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kdError() << "KSwitchLanguageDialog::removeButtonClicked() called from something else than KPushButton";
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return;
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}
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TQMap<KPushButton *, LanguageRowData>::iterator it = d->languageRows.tqfind(removeButton);
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if (it == d->languageRows.end())
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{
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kdError() << "KSwitchLanguageDialog::removeButtonClicked called from unknown KPushButton";
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return;
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}
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LanguageRowData languageRowData = it.data();
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d->languageButtons.removeRef(languageRowData.languageButton);
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languageRowData.label->deleteLater();
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languageRowData.languageButton->deleteLater();
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languageRowData.removeButton->deleteLater();
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d->languageRows.erase(it);
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}
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void KSwitchLanguageDialog::languageOnButtonChanged(const TQString & languageCode)
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{
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for ( TQPtrList<KLanguageButton>::ConstIterator it = d->languageButtons.begin(); it != d->languageButtons.end(); ++it )
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{
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KLanguageButton *languageButton = *it;
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if (languageButton->current() == languageCode)
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{
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//update all buttons which have matching id
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//might update buttons which were not changed, but well...
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languageButton->setText(KGlobal::locale()->twoAlphaToLanguageName(languageCode));
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}
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}
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}
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void KSwitchLanguageDialog::slotOk()
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{
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TQString languageString;
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bool first = true;
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for ( TQPtrList<KLanguageButton>::ConstIterator it = d->languageButtons.begin(); it != d->languageButtons.end(); ++it )
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{
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KLanguageButton *languageButton = *it;
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if (first == false)
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{
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languageString += ':';
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}
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languageString += languageButton->current();
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first = false;
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}
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KConfig *config = KGlobal::config();
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if (d->applicationLanguageList().join(":") != languageString)
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{
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//list is different from defaults or saved languages list
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KConfigGroup group(config, "Locale");
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group.writeEntry("Language", languageString);
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config->sync();
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KMessageBox::information(
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this,
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i18n("Language for this application has been changed. The change will take effect upon next start of application"), //text
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i18n("Application language changed"), //caption
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"ApplicationLanguageChangedWarning" //dontShowAgainName
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);
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}
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emit okClicked();
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accept();
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}
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/************************ KSwitchLanguageDialogPrivate ***********************/
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KSwitchLanguageDialogPrivate::KSwitchLanguageDialogPrivate(
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KSwitchLanguageDialog *parent
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):
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p(parent)
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{
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//NOTE: do NOT use "p" in constructor, it is not fully constructed
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}
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void KSwitchLanguageDialogPrivate::fillApplicationLanguages(KLanguageButton *button)
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{
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KLocale *locale = KGlobal::locale();
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TQStringList allLanguages = locale->allLanguagesTwoAlpha();
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for ( TQStringList::ConstIterator it = allLanguages.begin(); it != allLanguages.end(); ++it )
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{
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TQString languageCode = *it;
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if (locale->isApplicationTranslatedInto(languageCode))
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{
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button->insertItem(
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locale->twoAlphaToLanguageName(languageCode),
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languageCode
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);
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}
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}
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}
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TQStringList KSwitchLanguageDialogPrivate::applicationLanguageList()
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{
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KConfig *config = KGlobal::config();
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TQStringList languagesList;
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if (config->hasGroup("Locale"))
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{
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KConfigGroupSaver saver(config, "Locale");
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if (config->hasKey("Language"))
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{
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languagesList = config->readListEntry("Language", ':');
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}
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}
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if (languagesList.empty())
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{
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languagesList = KGlobal::locale()->languageList();
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}
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return languagesList;
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}
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void KSwitchLanguageDialogPrivate::addLanguageButton(const TQString & languageCode, bool primaryLanguage)
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{
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TQString labelText = primaryLanguage ? i18n("Primary language:") : i18n("Fallback language:");
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KLanguageButton *languageButton = new KLanguageButton(page);
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languageButton->setText(KGlobal::locale()->twoAlphaToLanguageName(languageCode));
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fillApplicationLanguages(languageButton);
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languageButton->setCurrentItem(languageCode);
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TQObject::connect(
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languageButton,
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TQT_SIGNAL(activated( const TQString &)),
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p,
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TQT_SLOT(languageOnButtonChanged(const TQString &))
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);
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LanguageRowData languageRowData;
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KPushButton *removeButton = NULL;
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if (primaryLanguage == false)
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{
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removeButton = new KPushButton(i18n("Remove"), page);
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TQObject::connect(
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removeButton,
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TQT_SIGNAL(clicked()),
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p,
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TQT_SLOT(removeButtonClicked())
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);
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}
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if (primaryLanguage)
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{
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TQToolTip::add(languageButton, i18n("This is main application language which will be used first before any other languages"));
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}
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else
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{
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TQToolTip::add(languageButton, i18n("This is language which will be used if any previous languages does not contain proper translation"));
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}
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int numRows = languagesLayout->numRows();
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TQLabel *languageLabel = new TQLabel(labelText, page);
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languagesLayout->addWidget( languageLabel, numRows + 1, 1, (TQ_Alignment)TQt::AlignAuto );
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languagesLayout->addWidget( languageButton, numRows + 1, 2, (TQ_Alignment)TQt::AlignAuto );
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if (primaryLanguage == false)
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{
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languagesLayout->addWidget( removeButton, numRows + 1, 3, (TQ_Alignment)TQt::AlignAuto );
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languageRowData.setRowWidgets(
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languageLabel,
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languageButton,
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removeButton
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);
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removeButton->show();
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}
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languageRows.insert(removeButton, languageRowData);
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languageButtons.append(languageButton);
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languageButton->show();
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languageLabel->show();
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}
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#include "kswitchlanguagedialog.moc"
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