Add initial support for translations.

.tx/config

@@ -0,0 +1,8 @@
+[main]
+host = https://www.transifex.com
+
+[keepassx.keepassx_ents]
+source_file = share/translations/keepassx_en.ts
+file_filter = share/translations/keepassx_<lang>.ts
+source_lang = en
+type = QT

share/CMakeLists.txt

@@ -13,6 +13,8 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+add_subdirectory(translations)
+
 file(GLOB DATABASE_ICONS icons/database/*.png)
 
 install(FILES ${DATABASE_ICONS} DESTINATION ${DATA_INSTALL_DIR}/icons/database)

share/translations/CMakeLists.txt

@@ -0,0 +1,26 @@
+#  Copyright (C) 2014 Felix Geyer <debfx@fobos.de>
+#
+#  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 or (at your option)
+#  version 3 of the License.
+#
+#  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, see <http://www.gnu.org/licenses/>.
+
+file(GLOB TRANSLATION_FILES *.ts)
+get_filename_component(TRANSLATION_EN_ABS keepassx_en.ts ABSOLUTE)
+list(REMOVE_ITEM TRANSLATION_FILES keepassx_en.ts)
+list(REMOVE_ITEM TRANSLATION_FILES ${TRANSLATION_EN_ABS})
+message(STATUS ${TRANSLATION_FILES})
+
+qt4_add_translation(QM_FILES ${TRANSLATION_FILES})
+
+install(FILES ${QM_FILES} DESTINATION ${DATA_INSTALL_DIR}/translations)
+add_custom_target(translations DEPENDS ${QM_FILES})
+add_dependencies(${PROGNAME} translations)

share/translations/keepassx_en_plurals.ts

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.0" language="en_US">
+<context>
+    <name>DatabaseWidget</name>
+    <message numerus="yes">
+        <source>Do you really want to move %n entry(s) to the recycle bin?</source>
+        <translation>
+            <numerusform>Do you really want to move %n entry to the recycle bin?</numerusform>
+            <numerusform>Do you really want to move %n entries to the recycle bin?</numerusform>
+        </translation>
+    </message>
+</context>
+<context>
+    <name>EditEntryWidget</name>
+    <message numerus="yes">
+        <source>%n week(s)</source>
+        <translation>
+            <numerusform>%n week</numerusform>
+            <numerusform>%n weeks</numerusform>
+        </translation>
+    </message>
+    <message numerus="yes">
+        <source>%n month(s)</source>
+        <translation>
+            <numerusform>%n month</numerusform>
+            <numerusform>%n months</numerusform>
+        </translation>
+    </message>
+</context>
+<context>
+    <name>EditWidgetIcons</name>
+    <message numerus="yes">
+        <source>Can&apos;t delete icon. Still used by %n item(s).</source>
+        <translation>
+            <numerusform>Can&apos;t delete icon. Still used by %n item.</numerusform>
+            <numerusform>Can&apos;t delete icon. Still used by %n items.</numerusform>
+        </translation>
+    </message>
+</context>
+</TS>

share/translations/update.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+BASEDIR=$(dirname $0)
+
+cd $BASEDIR/../..
+
+lupdate -no-ui-lines -disable-heuristic similartext -locations none -no-obsolete src -ts share/translations/keepassx_en.ts
+lupdate -no-ui-lines -disable-heuristic similartext -locations none -pluralonly src -ts share/translations/keepassx_en_plurals.ts

src/CMakeLists.txt

@@ -50,6 +50,7 @@ set(keepassx_SOURCES
     core/TimeInfo.cpp
     core/ToDbExporter.cpp
     core/Tools.cpp
+    core/Translator.cpp
     core/Uuid.cpp
     core/qcommandlineoption.cpp
     core/qcommandlineparser.cpp

src/config-keepassx.h.cmake

@@ -6,6 +6,7 @@
 #define KEEPASSX_VERSION "${KEEPASSX_VERSION}"
 
 #define KEEPASSX_SOURCE_DIR "${CMAKE_SOURCE_DIR}"
+#define KEEPASSX_BINARY_DIR "${CMAKE_BINARY_DIR}"
 
 #define KEEPASSX_PLUGIN_DIR "${PLUGIN_INSTALL_DIR}"
 

src/core/Config.cpp

@@ -102,6 +102,7 @@ void Config::init(const QString& fileName)
     m_defaults.insert("security/lockdatabaseidlesec", 10);
     m_defaults.insert("security/passwordscleartext", false);
     m_defaults.insert("security/autotypeask", true);
+    m_defaults.insert("GUI/Language", "system");
 }
 
 Config* Config::instance()

src/core/Translator.cpp

@@ -0,0 +1,120 @@
+/*
+ *  Copyright (C) 2014 Felix Geyer <debfx@fobos.de>
+ *
+ *  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 or (at your option)
+ *  version 3 of the License.
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Translator.h"
+
+#include <QCoreApplication>
+#include <QDir>
+#include <QLibraryInfo>
+#include <QLocale>
+#include <QRegExp>
+#include <QTranslator>
+
+#include "config-keepassx.h"
+#include "core/Config.h"
+#include "core/FilePath.h"
+
+void Translator::installTranslator()
+{
+    QString language = config()->get("GUI/Language").toString();
+    if (language == "system" || language.isEmpty()) {
+        language = QLocale::system().name();
+    }
+
+    if (!installTranslator(language)) {
+        // English fallback still needs translations for plurals
+        if (!installTranslator("en_plurals")) {
+            qWarning("Couldn't load translations.");
+        }
+    }
+
+    installQtTranslator(language);
+
+    availableLanguages();
+}
+
+QList<QPair<QString, QString> > Translator::availableLanguages()
+{
+    QStringList paths;
+#ifdef QT_DEBUG
+    paths.append(QString("%1/share/translations").arg(KEEPASSX_BINARY_DIR));
+#endif
+    paths.append(filePath()->dataPath("translations"));
+
+    QList<QPair<QString, QString> > languages;
+    languages.append(QPair<QString, QString>("system", "System default"));
+
+    QRegExp regExp("keepassx_([a-zA-Z_]+)\\.qm", Qt::CaseInsensitive, QRegExp::RegExp2);
+    Q_FOREACH (const QString& path, paths) {
+        Q_FOREACH (const QString& filename, QDir(path).entryList()) {
+            if (regExp.exactMatch(filename)) {
+                QString langcode = regExp.cap(1);
+                if (langcode == "en_plurals") {
+                    langcode = "en";
+                }
+
+                languages.append(QPair<QString, QString>(langcode,
+                                                         QLocale::languageToString(QLocale(langcode).language())));
+            }
+        }
+    }
+
+    return languages;
+}
+
+bool Translator::installTranslator(const QString& language)
+{
+    QStringList paths;
+#ifdef QT_DEBUG
+    paths.append(QString("%1/share/translations").arg(KEEPASSX_BINARY_DIR));
+#endif
+    paths.append(filePath()->dataPath("translations"));
+
+    Q_FOREACH (const QString& path, paths) {
+        if (installTranslator(language, path)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool Translator::installTranslator(const QString& language, const QString& path)
+{
+    QTranslator* translator = new QTranslator(qApp);
+    if (translator->load(QString("keepassx_").append(language), path)) {
+        QCoreApplication::installTranslator(translator);
+        return true;
+    }
+    else {
+        delete translator;
+        return false;
+    }
+}
+
+bool Translator::installQtTranslator(const QString& language)
+{
+    QTranslator* qtTranslator = new QTranslator(qApp);
+    if (qtTranslator->load(QString("%1/qt_%2").arg(QLibraryInfo::location(QLibraryInfo::TranslationsPath), language))) {
+        QCoreApplication::installTranslator(qtTranslator);
+        return true;
+    }
+    else {
+        delete qtTranslator;
+        return false;
+    }
+}

src/core/Translator.h

@@ -0,0 +1,36 @@
+/*
+ *  Copyright (C) 2014 Felix Geyer <debfx@fobos.de>
+ *
+ *  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 or (at your option)
+ *  version 3 of the License.
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KEEPASSX_TRANSLATOR_H
+#define KEEPASSX_TRANSLATOR_H
+
+#include <QPair>
+#include <QString>
+
+class Translator
+{
+public:
+    static void installTranslator();
+    static QList<QPair<QString, QString> > availableLanguages();
+
+private:
+    static bool installTranslator(const QString& language);
+    static bool installTranslator(const QString& language, const QString& path);
+    static bool installQtTranslator(const QString& language);
+};
+
+#endif // KEEPASSX_TRANSLATOR_H

src/gui/SettingsWidget.cpp

@@ -21,6 +21,7 @@
 
 #include "autotype/AutoType.h"
 #include "core/Config.h"
+#include "core/Translator.h"
 
 SettingsWidget::SettingsWidget(QWidget* parent)
     : EditWidget(parent)
@@ -69,6 +70,15 @@ void SettingsWidget::loadSettings()
     m_generalUi->useGroupIconOnEntryCreationCheckBox->setChecked(config()->get("UseGroupIconOnEntryCreation").toBool());
     m_generalUi->autoTypeEntryTitleMatchCheckBox->setChecked(config()->get("AutoTypeEntryTitleMatch").toBool());
 
+    QList<QPair<QString, QString> > languages = Translator::availableLanguages();
+    for (int i = 0; i < languages.size(); i++) {
+        m_generalUi->languageComboBox->addItem(languages[i].second, languages[i].first);
+    }
+    int defaultIndex = m_generalUi->languageComboBox->findData(config()->get("GUI/Language"));
+    if (defaultIndex > 0) {
+        m_generalUi->languageComboBox->setCurrentIndex(defaultIndex);
+    }
+
     if (autoType()->isAvailable()) {
         m_globalAutoTypeKey = static_cast<Qt::Key>(config()->get("GlobalAutoTypeKey").toInt());
         m_globalAutoTypeModifiers = static_cast<Qt::KeyboardModifiers>(config()->get("GlobalAutoTypeModifiers").toInt());
@@ -105,6 +115,8 @@ void SettingsWidget::saveSettings()
                   m_generalUi->useGroupIconOnEntryCreationCheckBox->isChecked());
     config()->set("AutoTypeEntryTitleMatch",
                   m_generalUi->autoTypeEntryTitleMatchCheckBox->isChecked());
+    int currentLangIndex = m_generalUi->languageComboBox->currentIndex();
+    config()->set("GUI/Language", m_generalUi->languageComboBox->itemData(currentLangIndex).toString());
     if (autoType()->isAvailable()) {
         config()->set("GlobalAutoTypeKey", m_generalUi->autoTypeShortcutWidget->key());
         config()->set("GlobalAutoTypeModifiers",

src/gui/SettingsWidgetGeneral.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>456</width>
-    <height>230</height>
+    <height>288</height>
    </rect>
   </property>
   <layout class="QFormLayout" name="formLayout">
@@ -86,6 +86,16 @@
      </property>
     </widget>
    </item>
+   <item row="9" column="0">
+    <widget class="QLabel" name="languageLabel">
+     <property name="text">
+      <string>Language</string>
+     </property>
+    </widget>
+   </item>
+   <item row="9" column="1">
+    <widget class="QComboBox" name="languageComboBox"/>
+   </item>
   </layout>
  </widget>
  <customwidgets>

src/main.cpp

@@ -21,6 +21,7 @@
 #include "core/Config.h"
 #include "core/qcommandlineparser.h"
 #include "core/Tools.h"
+#include "core/Translator.h"
 #include "crypto/Crypto.h"
 #include "gui/Application.h"
 #include "gui/MainWindow.h"
@@ -66,6 +67,8 @@ int main(int argc, char** argv)
         Config::createConfigFromFile(parser.value(configOption));
     }
 
+    Translator::installTranslator();
+
 #ifdef Q_OS_MAC
     // Don't show menu icons on OSX
     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);