Added i18n to QML Plugins

src/lib/CMakeLists.txt

@@ -183,6 +183,7 @@ set(SRCS ${SRCS}
     plugins/qml/api/events/qmlmouseevent.cpp
     plugins/qml/api/events/qmlwheelevent.cpp
     plugins/qml/api/events/qmlkeyevent.cpp
+    plugins/qml/api/i18n/qmli18n.cpp
     popupwindow/popuplocationbar.cpp
     popupwindow/popupstatusbarmessage.cpp
     popupwindow/popupwebview.cpp

src/lib/plugins/qml/api/i18n/qmli18n.cpp

@@ -0,0 +1,48 @@
+/* ============================================================
+* Falkon - Qt web browser
+* Copyright (C) 2018 Anmol Gautam <tarptaeya@gmail.com>
+*
+* 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 3 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, see <http://www.gnu.org/licenses/>.
+* ============================================================ */
+#include "qmli18n.h"
+#include "qztools.h"
+#include <QStandardPaths>
+
+QmlI18n::QmlI18n(const QString &pluginName, QObject *parent)
+    : QObject(parent)
+{
+    m_pluginName = QzTools::filterCharsFromFilename(pluginName);
+    // QzTools::filterCharsFromFilename doesn't replaces spaces
+    m_pluginName.replace(QLatin1Char(' '), QLatin1Char('_'));
+    setlocale(LC_MESSAGES, "");
+    initTranslations();
+}
+
+void QmlI18n::initTranslations()
+{
+    QString domain = QString("falkon_%1").arg(m_pluginName);
+    QString localeDir = QStandardPaths::locate(QStandardPaths::GenericDataLocation, "locale", QStandardPaths::LocateDirectory);
+    bindtextdomain(domain.toUtf8(), localeDir.toUtf8());
+    textdomain(domain.toUtf8());
+}
+
+QString QmlI18n::i18n(const QString &string)
+{
+    return QString::fromUtf8(gettext(string.toUtf8()));
+}
+
+QString QmlI18n::i18np(const QString &string1, const QString &string2, int count)
+{
+    return QString::fromUtf8(ngettext(string1.toUtf8(), string2.toUtf8(), count));
+}

src/lib/plugins/qml/api/i18n/qmli18n.h

@@ -0,0 +1,33 @@
+/* ============================================================
+* Falkon - Qt web browser
+* Copyright (C) 2018 Anmol Gautam <tarptaeya@gmail.com>
+*
+* 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 3 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, see <http://www.gnu.org/licenses/>.
+* ============================================================ */
+#pragma once
+
+#include <QObject>
+#include <libintl.h>
+
+class QmlI18n : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QmlI18n(const QString &pluginName, QObject *parent = nullptr);
+    void initTranslations();
+    Q_INVOKABLE QString i18n(const QString &string);
+    Q_INVOKABLE QString i18np(const QString &string1, const QString &string2, int count);
+private:
+    QString m_pluginName;
+};

src/lib/plugins/qml/qmlpluginloader.cpp

@@ -16,6 +16,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * ============================================================ */
 #include "qmlpluginloader.h"
+#include <QQmlContext>
 
 QmlPluginLoader::QmlPluginLoader(const QString &path)
 {
@@ -54,4 +55,5 @@ QmlPluginInterface *QmlPluginLoader::instance() const
 void QmlPluginLoader::setName(const QString &name)
 {
     m_interface->setName(name);
+    m_engine->rootContext()->setContextProperty("__name__", name);
 }

src/lib/plugins/qml/qmlplugins.cpp

@@ -42,8 +42,10 @@
 #include "api/events/qmlqzobjects.h"
 #include "api/events/qmlmouseevent.h"
 #include "api/events/qmlwheelevent.h"
+#include "api/i18n/qmli18n.h"
 
 #include <QQmlEngine>
+#include <QQmlContext>
 
 // static
 void QmlPlugins::registerQmlTypes()
@@ -165,4 +167,12 @@ void QmlPlugins::registerQmlTypes()
 
     // WheelEvents
     qmlRegisterUncreatableType<QmlWheelEvent>("org.kde.falkon", 1, 0, "WheelEvent", "Unable to register type: WheelEvent");
+
+    // i18n
+    qmlRegisterSingletonType<QmlI18n>("org.kde.falkon", 1, 0, "I18n", [](QQmlEngine *engine, QJSEngine *scriptEngine) -> QObject * {
+        Q_UNUSED(scriptEngine)
+        QString pluginName = engine->rootContext()->contextProperty("__name__").toString();
+        auto *object = new QmlI18n(pluginName);
+        return object;
+    });
 }